[PATCH 0/5] MR3996: dmsynth: Import and begin using FluidSynth.

[Rémi Bernon]

-- 
https://gitlab.winehq.org/wine/wine/-/merge_requests/3996

[PATCH 1/5] dmsynth: Import and use FluidSynth 2.3.3.

[Rémi Bernon]

From: Rémi Bernon <rbernon(a)codeweavers.com>

---
 configure.ac                                  |   11 +
 dlls/dmsynth/Makefile.in                      |    3 +-
 dlls/dmsynth/synth.c                          |   11 +
 libs/fluidsynth/LICENSE                       |  504 +
 libs/fluidsynth/Makefile.in                   |   42 +
 libs/fluidsynth/config.h                      |  271 +
 libs/fluidsynth/fluid_conv_tables.inc.h       | 3916 ++++++++
 libs/fluidsynth/fluid_rvoice_dsp_tables.inc.h | 4110 ++++++++
 libs/fluidsynth/glib.c                        |  106 +
 libs/fluidsynth/glib.h                        |  107 +
 libs/fluidsynth/glib/gstdio.h                 |    0
 libs/fluidsynth/include/fluidsynth.h          |  121 +
 libs/fluidsynth/include/fluidsynth/audio.h    |  155 +
 libs/fluidsynth/include/fluidsynth/event.h    |  143 +
 libs/fluidsynth/include/fluidsynth/gen.h      |  134 +
 libs/fluidsynth/include/fluidsynth/ladspa.h   |   69 +
 libs/fluidsynth/include/fluidsynth/log.h      |   97 +
 libs/fluidsynth/include/fluidsynth/midi.h     |  295 +
 libs/fluidsynth/include/fluidsynth/misc.h     |   77 +
 libs/fluidsynth/include/fluidsynth/mod.h      |  105 +
 libs/fluidsynth/include/fluidsynth/seq.h      |   92 +
 libs/fluidsynth/include/fluidsynth/seqbind.h  |   45 +
 libs/fluidsynth/include/fluidsynth/settings.h |  194 +
 libs/fluidsynth/include/fluidsynth/sfont.h    |  362 +
 libs/fluidsynth/include/fluidsynth/shell.h    |  150 +
 libs/fluidsynth/include/fluidsynth/synth.h    |  552 ++
 libs/fluidsynth/include/fluidsynth/types.h    |   85 +
 libs/fluidsynth/include/fluidsynth/version.h  |   47 +
 libs/fluidsynth/include/fluidsynth/voice.h    |   77 +
 libs/fluidsynth/src/bindings/fluid_ladspa.h   |   36 +
 libs/fluidsynth/src/midi/fluid_midi.c         | 2851 ++++++
 libs/fluidsynth/src/midi/fluid_midi.h         |  384 +
 libs/fluidsynth/src/midi/fluid_midi_router.h  |   32 +
 libs/fluidsynth/src/rvoice/fluid_adsr_env.c   |   39 +
 libs/fluidsynth/src/rvoice/fluid_adsr_env.h   |  167 +
 libs/fluidsynth/src/rvoice/fluid_chorus.c     | 1071 +++
 libs/fluidsynth/src/rvoice/fluid_chorus.h     |   80 +
 libs/fluidsynth/src/rvoice/fluid_iir_filter.c |  419 +
 libs/fluidsynth/src/rvoice/fluid_iir_filter.h |   75 +
 libs/fluidsynth/src/rvoice/fluid_lfo.c        |   17 +
 libs/fluidsynth/src/rvoice/fluid_lfo.h        |   75 +
 libs/fluidsynth/src/rvoice/fluid_phase.h      |  113 +
 libs/fluidsynth/src/rvoice/fluid_rev.c        | 1523 +++
 libs/fluidsynth/src/rvoice/fluid_rev.h        |   91 +
 libs/fluidsynth/src/rvoice/fluid_rvoice.c     |  937 ++
 libs/fluidsynth/src/rvoice/fluid_rvoice.h     |  231 +
 libs/fluidsynth/src/rvoice/fluid_rvoice_dsp.c |  636 ++
 .../src/rvoice/fluid_rvoice_dsp_tables.h      |    8 +
 .../src/rvoice/fluid_rvoice_event.c           |  202 +
 .../src/rvoice/fluid_rvoice_event.h           |  114 +
 .../src/rvoice/fluid_rvoice_mixer.c           | 1727 ++++
 .../src/rvoice/fluid_rvoice_mixer.h           |   88 +
 libs/fluidsynth/src/sfloader/fluid_defsfont.c | 2372 +++++
 libs/fluidsynth/src/sfloader/fluid_defsfont.h |  232 +
 .../fluidsynth/src/sfloader/fluid_instpatch.h |   14 +
 .../src/sfloader/fluid_samplecache.c          |  313 +
 .../src/sfloader/fluid_samplecache.h          |   37 +
 libs/fluidsynth/src/sfloader/fluid_sffile.c   | 2527 +++++
 libs/fluidsynth/src/sfloader/fluid_sffile.h   |  194 +
 libs/fluidsynth/src/sfloader/fluid_sfont.c    |  850 ++
 libs/fluidsynth/src/sfloader/fluid_sfont.h    |  189 +
 libs/fluidsynth/src/synth/fluid_chan.c        |  732 ++
 libs/fluidsynth/src/synth/fluid_chan.h        |  276 +
 libs/fluidsynth/src/synth/fluid_event.c       |  863 ++
 libs/fluidsynth/src/synth/fluid_event.h       |   65 +
 libs/fluidsynth/src/synth/fluid_gen.c         |  133 +
 libs/fluidsynth/src/synth/fluid_gen.h         |   67 +
 libs/fluidsynth/src/synth/fluid_mod.c         |  881 ++
 libs/fluidsynth/src/synth/fluid_mod.h         |   54 +
 libs/fluidsynth/src/synth/fluid_synth.c       | 8445 +++++++++++++++++
 libs/fluidsynth/src/synth/fluid_synth.h       |  263 +
 .../src/synth/fluid_synth_monopoly.c          |  722 ++
 libs/fluidsynth/src/synth/fluid_tuning.c      |  190 +
 libs/fluidsynth/src/synth/fluid_tuning.h      |   69 +
 libs/fluidsynth/src/synth/fluid_voice.c       | 2052 ++++
 libs/fluidsynth/src/synth/fluid_voice.h       |  198 +
 libs/fluidsynth/src/utils/fluid_conv.c        |  334 +
 libs/fluidsynth/src/utils/fluid_conv.h        |   40 +
 libs/fluidsynth/src/utils/fluid_conv_tables.h |   41 +
 libs/fluidsynth/src/utils/fluid_hash.c        | 1407 +++
 libs/fluidsynth/src/utils/fluid_hash.h        |  131 +
 libs/fluidsynth/src/utils/fluid_list.c        |  337 +
 libs/fluidsynth/src/utils/fluid_list.h        |   63 +
 libs/fluidsynth/src/utils/fluid_ringbuffer.c  |   90 +
 libs/fluidsynth/src/utils/fluid_ringbuffer.h  |  133 +
 libs/fluidsynth/src/utils/fluid_settings.c    | 2004 ++++
 libs/fluidsynth/src/utils/fluid_settings.h    |   65 +
 libs/fluidsynth/src/utils/fluid_sys.c         | 1803 ++++
 libs/fluidsynth/src/utils/fluid_sys.h         |  794 ++
 libs/fluidsynth/src/utils/fluidsynth_priv.h   |  331 +
 90 files changed, 52107 insertions(+), 1 deletion(-)
 create mode 100644 libs/fluidsynth/LICENSE
 create mode 100644 libs/fluidsynth/Makefile.in
 create mode 100644 libs/fluidsynth/config.h
 create mode 100644 libs/fluidsynth/fluid_conv_tables.inc.h
 create mode 100644 libs/fluidsynth/fluid_rvoice_dsp_tables.inc.h
 create mode 100644 libs/fluidsynth/glib.c
 create mode 100644 libs/fluidsynth/glib.h
 create mode 100644 libs/fluidsynth/glib/gstdio.h
 create mode 100644 libs/fluidsynth/include/fluidsynth.h
 create mode 100644 libs/fluidsynth/include/fluidsynth/audio.h
 create mode 100644 libs/fluidsynth/include/fluidsynth/event.h
 create mode 100644 libs/fluidsynth/include/fluidsynth/gen.h
 create mode 100644 libs/fluidsynth/include/fluidsynth/ladspa.h
 create mode 100644 libs/fluidsynth/include/fluidsynth/log.h
 create mode 100644 libs/fluidsynth/include/fluidsynth/midi.h
 create mode 100644 libs/fluidsynth/include/fluidsynth/misc.h
 create mode 100644 libs/fluidsynth/include/fluidsynth/mod.h
 create mode 100644 libs/fluidsynth/include/fluidsynth/seq.h
 create mode 100644 libs/fluidsynth/include/fluidsynth/seqbind.h
 create mode 100644 libs/fluidsynth/include/fluidsynth/settings.h
 create mode 100644 libs/fluidsynth/include/fluidsynth/sfont.h
 create mode 100644 libs/fluidsynth/include/fluidsynth/shell.h
 create mode 100644 libs/fluidsynth/include/fluidsynth/synth.h
 create mode 100644 libs/fluidsynth/include/fluidsynth/types.h
 create mode 100644 libs/fluidsynth/include/fluidsynth/version.h
 create mode 100644 libs/fluidsynth/include/fluidsynth/voice.h
 create mode 100644 libs/fluidsynth/src/bindings/fluid_ladspa.h
 create mode 100644 libs/fluidsynth/src/midi/fluid_midi.c
 create mode 100644 libs/fluidsynth/src/midi/fluid_midi.h
 create mode 100644 libs/fluidsynth/src/midi/fluid_midi_router.h
 create mode 100644 libs/fluidsynth/src/rvoice/fluid_adsr_env.c
 create mode 100644 libs/fluidsynth/src/rvoice/fluid_adsr_env.h
 create mode 100644 libs/fluidsynth/src/rvoice/fluid_chorus.c
 create mode 100644 libs/fluidsynth/src/rvoice/fluid_chorus.h
 create mode 100644 libs/fluidsynth/src/rvoice/fluid_iir_filter.c
 create mode 100644 libs/fluidsynth/src/rvoice/fluid_iir_filter.h
 create mode 100644 libs/fluidsynth/src/rvoice/fluid_lfo.c
 create mode 100644 libs/fluidsynth/src/rvoice/fluid_lfo.h
 create mode 100644 libs/fluidsynth/src/rvoice/fluid_phase.h
 create mode 100644 libs/fluidsynth/src/rvoice/fluid_rev.c
 create mode 100644 libs/fluidsynth/src/rvoice/fluid_rev.h
 create mode 100644 libs/fluidsynth/src/rvoice/fluid_rvoice.c
 create mode 100644 libs/fluidsynth/src/rvoice/fluid_rvoice.h
 create mode 100644 libs/fluidsynth/src/rvoice/fluid_rvoice_dsp.c
 create mode 100644 libs/fluidsynth/src/rvoice/fluid_rvoice_dsp_tables.h
 create mode 100644 libs/fluidsynth/src/rvoice/fluid_rvoice_event.c
 create mode 100644 libs/fluidsynth/src/rvoice/fluid_rvoice_event.h
 create mode 100644 libs/fluidsynth/src/rvoice/fluid_rvoice_mixer.c
 create mode 100644 libs/fluidsynth/src/rvoice/fluid_rvoice_mixer.h
 create mode 100644 libs/fluidsynth/src/sfloader/fluid_defsfont.c
 create mode 100644 libs/fluidsynth/src/sfloader/fluid_defsfont.h
 create mode 100644 libs/fluidsynth/src/sfloader/fluid_instpatch.h
 create mode 100644 libs/fluidsynth/src/sfloader/fluid_samplecache.c
 create mode 100644 libs/fluidsynth/src/sfloader/fluid_samplecache.h
 create mode 100644 libs/fluidsynth/src/sfloader/fluid_sffile.c
 create mode 100644 libs/fluidsynth/src/sfloader/fluid_sffile.h
 create mode 100644 libs/fluidsynth/src/sfloader/fluid_sfont.c
 create mode 100644 libs/fluidsynth/src/sfloader/fluid_sfont.h
 create mode 100644 libs/fluidsynth/src/synth/fluid_chan.c
 create mode 100644 libs/fluidsynth/src/synth/fluid_chan.h
 create mode 100644 libs/fluidsynth/src/synth/fluid_event.c
 create mode 100644 libs/fluidsynth/src/synth/fluid_event.h
 create mode 100644 libs/fluidsynth/src/synth/fluid_gen.c
 create mode 100644 libs/fluidsynth/src/synth/fluid_gen.h
 create mode 100644 libs/fluidsynth/src/synth/fluid_mod.c
 create mode 100644 libs/fluidsynth/src/synth/fluid_mod.h
 create mode 100644 libs/fluidsynth/src/synth/fluid_synth.c
 create mode 100644 libs/fluidsynth/src/synth/fluid_synth.h
 create mode 100644 libs/fluidsynth/src/synth/fluid_synth_monopoly.c
 create mode 100644 libs/fluidsynth/src/synth/fluid_tuning.c
 create mode 100644 libs/fluidsynth/src/synth/fluid_tuning.h
 create mode 100644 libs/fluidsynth/src/synth/fluid_voice.c
 create mode 100644 libs/fluidsynth/src/synth/fluid_voice.h
 create mode 100644 libs/fluidsynth/src/utils/fluid_conv.c
 create mode 100644 libs/fluidsynth/src/utils/fluid_conv.h
 create mode 100644 libs/fluidsynth/src/utils/fluid_conv_tables.h
 create mode 100644 libs/fluidsynth/src/utils/fluid_hash.c
 create mode 100644 libs/fluidsynth/src/utils/fluid_hash.h
 create mode 100644 libs/fluidsynth/src/utils/fluid_list.c
 create mode 100644 libs/fluidsynth/src/utils/fluid_list.h
 create mode 100644 libs/fluidsynth/src/utils/fluid_ringbuffer.c
 create mode 100644 libs/fluidsynth/src/utils/fluid_ringbuffer.h
 create mode 100644 libs/fluidsynth/src/utils/fluid_settings.c
 create mode 100644 libs/fluidsynth/src/utils/fluid_settings.h
 create mode 100644 libs/fluidsynth/src/utils/fluid_sys.c
 create mode 100644 libs/fluidsynth/src/utils/fluid_sys.h
 create mode 100644 libs/fluidsynth/src/utils/fluidsynth_priv.h

diff --git a/configure.ac b/configure.ac
index 7229e25dbed..33a1cb0afe3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1028,6 +1028,15 @@ then
         WINE_NOTICE([FAudio ${notice_platform}MinGW development files not found (or too old); using bundled version.])
     fi
 
+    WINE_MINGW_PACKAGE_FLAGS(FLUIDSYNTH,[fluidsynth],[-lfluidsynth],
+        [WINE_CHECK_MINGW_HEADER(fluidsynth/synth.h,
+            [WINE_CHECK_MINGW_LIB(fluidsynth,new_fluid_synth,[:],[FLUIDSYNTH_PE_CFLAGS=""; FLUIDSYNTH_PE_LIBS=""],[$FLUIDSYNTH_PE_LIBS])],
+            [FLUIDSYNTH_PE_CFLAGS=""; FLUIDSYNTH_PE_LIBS=""])])
+    if test "x$FLUIDSYNTH_PE_LIBS" = "x"
+    then
+        WINE_NOTICE([Fluidsynth ${notice_platform}MinGW development files not found (or too old); using bundled version.])
+    fi
+
     WINE_MINGW_PACKAGE_FLAGS(JPEG,[libjpeg],,
         [WINE_CHECK_MINGW_HEADER(jpeglib.h,
             [WINE_CHECK_MINGW_LIB(jpeg,jpeg_start_decompress,[:],[JPEG_PE_CFLAGS=""; JPEG_PE_LIBS=""],[$JPEG_PE_LIBS])],
@@ -1138,6 +1147,7 @@ then
 fi
 
 WINE_EXTLIB_FLAGS(FAUDIO, faudio, "faudio mfplat mfreadwrite mfuuid propsys", "-I\$(top_srcdir)/libs/faudio/include")
+WINE_EXTLIB_FLAGS(FLUIDSYNTH, fluidsynth, "fluidsynth", "-I\$(top_srcdir)/libs/fluidsynth/include")
 WINE_EXTLIB_FLAGS(GSM, gsm, gsm, "-I\$(top_srcdir)/libs/gsm/inc")
 WINE_EXTLIB_FLAGS(JPEG, jpeg, jpeg, "-I\$(top_srcdir)/libs/jpeg")
 WINE_EXTLIB_FLAGS(JXR, jxr, jxr, "-I\$(top_srcdir)/libs/jxr/jxrgluelib -I\$(top_srcdir)/libs/jxr/image/sys")
@@ -3312,6 +3322,7 @@ WINE_CONFIG_MAKEFILE(libs/dxerr8)
 WINE_CONFIG_MAKEFILE(libs/dxerr9)
 WINE_CONFIG_MAKEFILE(libs/dxguid)
 WINE_CONFIG_MAKEFILE(libs/faudio)
+WINE_CONFIG_MAKEFILE(libs/fluidsynth)
 WINE_CONFIG_MAKEFILE(libs/gsm)
 WINE_CONFIG_MAKEFILE(libs/jpeg)
 WINE_CONFIG_MAKEFILE(libs/jxr)
diff --git a/dlls/dmsynth/Makefile.in b/dlls/dmsynth/Makefile.in
index 276597db5ad..7c6d2db721b 100644
--- a/dlls/dmsynth/Makefile.in
+++ b/dlls/dmsynth/Makefile.in
@@ -1,5 +1,6 @@
 MODULE    = dmsynth.dll
-IMPORTS   = dxguid uuid ole32 advapi32
+IMPORTS   = $(FLUIDSYNTH_PE_LIBS) dxguid uuid ole32 advapi32 user32
+EXTRAINCL = $(FLUIDSYNTH_PE_CFLAGS)
 
 C_SRCS = \
 	dmsynth_main.c \
diff --git a/dlls/dmsynth/synth.c b/dlls/dmsynth/synth.c
index a3243d4b683..95a4851fcb0 100644
--- a/dlls/dmsynth/synth.c
+++ b/dlls/dmsynth/synth.c
@@ -26,6 +26,8 @@
 
 #include "dmsynth_private.h"
 
+#include "fluidsynth.h"
+
 WINE_DEFAULT_DEBUG_CHANNEL(dmsynth);
 
 static void dump_dmus_instrument(DMUS_INSTRUMENT *instrument)
@@ -228,6 +230,8 @@ struct synth
 
     struct list instruments;
     struct list waves;
+
+    fluid_settings_t *fluid_settings;
 };
 
 static inline struct synth *impl_from_IDirectMusicSynth8(IDirectMusicSynth8 *iface)
@@ -299,6 +303,7 @@ static ULONG WINAPI synth_Release(IDirectMusicSynth8 *iface)
             wave_release(wave);
         }
 
+        delete_fluid_settings(This->fluid_settings);
         free(This);
     }
 
@@ -1084,7 +1089,13 @@ HRESULT synth_create(IUnknown **ret_iface)
     list_init(&obj->instruments);
     list_init(&obj->waves);
 
+    if (!(obj->fluid_settings = new_fluid_settings())) goto failed;
+
     TRACE("Created DirectMusicSynth %p\n", obj);
     *ret_iface = (IUnknown *)&obj->IDirectMusicSynth8_iface;
     return S_OK;
+
+failed:
+    free(obj);
+    return E_OUTOFMEMORY;
 }
diff --git a/libs/fluidsynth/LICENSE b/libs/fluidsynth/LICENSE
new file mode 100644
index 00000000000..19e307187ac
--- /dev/null
+++ b/libs/fluidsynth/LICENSE
@@ -0,0 +1,504 @@
+                  GNU LESSER GENERAL PUBLIC LICENSE
+                       Version 2.1, February 1999
+
+ Copyright (C) 1991, 1999 Free Software Foundation, Inc.
+ 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+(This is the first released version of the Lesser GPL.  It also counts
+ as the successor of the GNU Library Public License, version 2, hence
+ the version number 2.1.)
+
+                            Preamble
+
+  The licenses for most software are designed to take away your
+freedom to share and change it.  By contrast, the GNU General Public
+Licenses are intended to guarantee your freedom to share and change
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+
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+specially designated software packages--typically libraries--of the
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+can use it too, but we suggest you first think carefully about whether
+this license or the ordinary General Public License is the better
+strategy to use in any particular case, based on the explanations below.
+
+  When we speak of free software, we are referring to freedom of use,
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+    License as published by the Free Software Foundation; either
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+  Hacker.
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+  {signature of Ty Coon}, 1 April 1990
+  Ty Coon, President of Vice
+
+That's all there is to it!
diff --git a/libs/fluidsynth/Makefile.in b/libs/fluidsynth/Makefile.in
new file mode 100644
index 00000000000..8173c6a41b1
--- /dev/null
+++ b/libs/fluidsynth/Makefile.in
@@ -0,0 +1,42 @@
+EXTLIB    = libfluidsynth.a
+EXTRADEFS = -DNDEBUG -DWITH_PROFILING -Wno-deprecated-declarations
+EXTRAINCL = -I$(srcdir)/src \
+            -I$(srcdir)/src/bindings \
+            -I$(srcdir)/src/drivers \
+            -I$(srcdir)/src/midi \
+            -I$(srcdir)/src/rvoice \
+            -I$(srcdir)/src/sfloader \
+            -I$(srcdir)/src/synth \
+            -I$(srcdir)/src/utils \
+            $(FLUIDSYNTH_PE_CFLAGS)
+
+C_SRCS = \
+	glib.c \
+	src/midi/fluid_midi.c \
+	src/rvoice/fluid_adsr_env.c \
+	src/rvoice/fluid_chorus.c \
+	src/rvoice/fluid_iir_filter.c \
+	src/rvoice/fluid_lfo.c \
+	src/rvoice/fluid_rev.c \
+	src/rvoice/fluid_rvoice.c \
+	src/rvoice/fluid_rvoice_dsp.c \
+	src/rvoice/fluid_rvoice_event.c \
+	src/rvoice/fluid_rvoice_mixer.c \
+	src/sfloader/fluid_defsfont.c \
+	src/sfloader/fluid_samplecache.c \
+	src/sfloader/fluid_sffile.c \
+	src/sfloader/fluid_sfont.c \
+	src/synth/fluid_chan.c \
+	src/synth/fluid_event.c \
+	src/synth/fluid_gen.c \
+	src/synth/fluid_mod.c \
+	src/synth/fluid_synth.c \
+	src/synth/fluid_synth_monopoly.c \
+	src/synth/fluid_tuning.c \
+	src/synth/fluid_voice.c \
+	src/utils/fluid_conv.c \
+	src/utils/fluid_hash.c \
+	src/utils/fluid_list.c \
+	src/utils/fluid_ringbuffer.c \
+	src/utils/fluid_settings.c \
+	src/utils/fluid_sys.c
diff --git a/libs/fluidsynth/config.h b/libs/fluidsynth/config.h
new file mode 100644
index 00000000000..ec31659c818
--- /dev/null
+++ b/libs/fluidsynth/config.h
@@ -0,0 +1,271 @@
+#ifndef CONFIG_H
+#define CONFIG_H
+
+/* Define to enable ALSA driver */
+/* #undef ALSA_SUPPORT TRUE */
+
+/* Define to activate sound output to files */
+/* #undef AUFILE_SUPPORT 1 */
+
+/* whether or not we are supporting CoreAudio */
+/* #undef COREAUDIO_SUPPORT */
+
+/* whether or not we are supporting CoreMIDI */
+/* #undef COREMIDI_SUPPORT */
+
+/* whether or not we are supporting DART */
+/* #undef DART_SUPPORT */
+
+/* Define if building for Mac OS X Darwin */
+/* #undef DARWIN */
+
+/* Define if D-Bus support is enabled */
+/* #undef DBUS_SUPPORT  1 */
+
+/* Soundfont to load automatically in some use cases */
+/* #undef DEFAULT_SOUNDFONT "/usr/local/share/soundfonts/default.sf2" */
+
+/* Define to enable FPE checks */
+/* #undef FPE_CHECK */
+
+/* Define to 1 if you have the <arpa/inet.h> header file. */
+/* #undef HAVE_ARPA_INET_H */
+
+/* Define to 1 if you have the <errno.h> header file. */
+#define HAVE_ERRNO_H 1
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+/* #undef HAVE_FCNTL_H */
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#define HAVE_INTTYPES_H 1
+
+/* Define to 1 if you have the <io.h> header file. */
+#define HAVE_IO_H 1
+
+/* whether or not we are supporting lash */
+/* #undef HAVE_LASH */
+
+/* Define if systemd support is enabled */
+/* #undef SYSTEMD_SUPPORT */
+
+/* Define to 1 if you have the <limits.h> header file. */
+#define HAVE_LIMITS_H 1
+
+/* Define to 1 if you have the <linux/soundcard.h> header file. */
+/* #undef HAVE_LINUX_SOUNDCARD_H */
+
+/* Define to 1 if you have the <machine/soundcard.h> header file. */
+/* #undef HAVE_MACHINE_SOUNDCARD_H */
+
+/* Define to 1 if you have the <math.h> header file. */
+#define HAVE_MATH_H 1
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+/* #undef HAVE_NETINET_IN_H */
+
+/* Define to 1 if you have the <netinet/tcp.h> header file. */
+/* #undef HAVE_NETINET_TCP_H */
+
+/* Define if compiling the mixer with multi-thread support */
+#define ENABLE_MIXER_THREADS 1
+
+/* Define if compiling with openMP to enable parallel audio rendering */
+/* #undef HAVE_OPENMP */
+
+/* Define to 1 if you have the <pthread.h> header file. */
+/* #undef HAVE_PTHREAD_H */
+
+/* Define to 1 if you have the <signal.h> header file. */
+#define HAVE_SIGNAL_H 1
+
+/* Define to 1 if you have the <stdarg.h> header file. */
+#define HAVE_STDARG_H 1
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#define HAVE_STDINT_H 1
+
+/* Define to 1 if you have the <stdio.h> header file. */
+#define HAVE_STDIO_H 1
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the <strings.h> header file. */
+/* #undef HAVE_STRINGS_H */
+
+/* Define to 1 if you have the <string.h> header file. */
+#define HAVE_STRING_H 1
+
+/* Define to 1 if you have the <sys/mman.h> header file. */
+/* #undef HAVE_SYS_MMAN_H */
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+/* #undef HAVE_SYS_SOCKET_H */
+
+/* Define to 1 if you have the <sys/soundcard.h> header file. */
+/* #undef HAVE_SYS_SOUNDCARD_H */
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+/* #undef HAVE_SYS_TIME_H */
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define to 1 if you have the <unistd.h> header file. */
+/* #undef HAVE_UNISTD_H */
+
+/* Define to 1 if you have the <windows.h> header file. */
+/* #undef HAVE_WINDOWS_H */
+
+/* Define to 1 if you have the <getopt.h> header file. */
+/* #undef HAVE_GETOPT_H */
+
+/* Define to 1 if you have the inet_ntop() function. */
+/* #undef HAVE_INETNTOP */
+
+/* Define to enable JACK driver */
+/* #undef JACK_SUPPORT */
+
+/* Define to enable PipeWire driver */
+/* #undef PIPEWIRE_SUPPORT */
+
+/* Include the LADSPA Fx unit */
+/* #undef LADSPA */
+
+/* Define to enable IPV6 support */
+/* #undef IPV6_SUPPORT */
+
+/* Define to enable network support */
+/* #undef NETWORK_SUPPORT */
+
+/* Defined when fluidsynth is build in an automated environment, where no MSVC++ Runtime Debug Assertion dialogs should pop up */
+#define NO_GUI 1
+
+/* libinstpatch for DLS and GIG */
+/* #undef LIBINSTPATCH_SUPPORT */
+
+/* libsndfile has ogg vorbis support */
+/* #undef LIBSNDFILE_HASVORBIS */
+
+/* Define to enable libsndfile support */
+/* #undef LIBSNDFILE_SUPPORT */
+
+/* Define to enable MidiShare driver */
+/* #undef MIDISHARE_SUPPORT */
+
+/* Define if using the MinGW32 environment */
+#define MINGW32 1
+
+/* Define to enable OSS driver */
+/* #undef OSS_SUPPORT */
+
+/* Define to enable OPENSLES driver */
+/* #undef OPENSLES_SUPPORT */
+
+/* Define to enable Oboe driver */
+/* #undef OBOE_SUPPORT */
+
+/* Name of package */
+#define PACKAGE "fluidsynth"
+
+/* Define to the address where bug reports for this package should be sent. */
+/* #undef PACKAGE_BUGREPORT */
+
+/* Define to the full name of this package. */
+/* #undef PACKAGE_NAME */
+
+/* Define to the full name and version of this package. */
+/* #undef PACKAGE_STRING */
+
+/* Define to the one symbol short name of this package. */
+/* #undef PACKAGE_TARNAME */
+
+/* Define to the version of this package. */
+/* #undef PACKAGE_VERSION */
+
+/* Define to enable PortAudio driver */
+/* #undef PORTAUDIO_SUPPORT */
+
+/* Define to enable PulseAudio driver */
+/* #undef PULSE_SUPPORT */
+
+/* Define to enable DirectSound driver */
+/* #undef DSOUND_SUPPORT 1 */
+
+/* Define to enable Windows WASAPI driver */
+/* #undef WASAPI_SUPPORT 1 */
+
+/* Define to enable Windows WaveOut driver */
+/* #undef WAVEOUT_SUPPORT 1 */
+
+/* Define to enable Windows MIDI driver */
+/* #undef WINMIDI_SUPPORT */
+
+/* Define to enable SDL2 audio driver */
+/* #undef SDL2_SUPPORT */
+
+/* Define to 1 if you have the ANSI C header files. */
+#define STDC_HEADERS 1
+
+/* Soundfont to load for unit testing */
+/* #undef TEST_SOUNDFONT */
+
+/* Soundfont to load for UTF-8 unit testing */
+/* #undef TEST_SOUNDFONT_UTF8_1 */
+/* #undef TEST_SOUNDFONT_UTF8_2 */
+/* #undef TEST_MIDI_UTF8 */
+
+/* SF3 Soundfont to load for unit testing */
+/* #undef TEST_SOUNDFONT_SF3 */
+
+/* Define to enable SIGFPE assertions */
+/* #undef TRAP_ON_FPE */
+
+/* Define to do all DSP in single floating point precision */
+/* #undef WITH_FLOAT */
+
+/* Define to profile the DSP code */
+/* #undef WITH_PROFILING */
+
+/* Define to use the readline library for line editing */
+/* #undef READLINE_SUPPORT */
+
+/* Define if the compiler supports VLA */ 
+#define SUPPORTS_VLA 1
+
+/* Define to 1 if your processor stores words with the most significant byte
+   first (like Motorola and SPARC, unlike Intel and VAX). */
+/* #undef WORDS_BIGENDIAN */
+
+/* Define to `__inline__' or `__inline' if that's what the C compiler
+   calls it, or to nothing if 'inline' is not supported under any name.  */
+#ifndef __cplusplus
+/* #undef inline */
+#endif
+
+/* Define to 1 if you have the sinf() function. */
+#define HAVE_SINF 1
+
+/* Define to 1 if you have the cosf() function. */
+#define HAVE_COSF 1
+
+/* Define to 1 if you have the fabsf() function. */
+#define HAVE_FABSF 1
+
+/* Define to 1 if you have the powf() function. */
+#define HAVE_POWF 1
+
+/* Define to 1 if you have the sqrtf() function. */
+#define HAVE_SQRTF 1
+
+/* Define to 1 if you have the logf() function. */
+#define HAVE_LOGF 1
+
+/* Define to 1 if you have the socklen_t type. */
+/* #undef HAVE_SOCKLEN_T */
+
+#endif /* CONFIG_H */
diff --git a/libs/fluidsynth/fluid_conv_tables.inc.h b/libs/fluidsynth/fluid_conv_tables.inc.h
new file mode 100644
index 00000000000..b47372861dc
--- /dev/null
+++ b/libs/fluidsynth/fluid_conv_tables.inc.h
@@ -0,0 +1,3916 @@
+/* THIS FILE HAS BEEN AUTOMATICALLY GENERATED. DO NOT EDIT. */
+
+static const fluid_real_t fluid_ct2hz_tab[1200] = {
+    6.875000000000000e+00,    /* 0 */
+    6.878972302857565e+00,    /* 1 */
+    6.882946900870038e+00,    /* 2 */
+    6.886923795363534e+00,    /* 3 */
+    6.890902987664938e+00,    /* 4 */
+    6.894884479101899e+00,    /* 5 */
+    6.898868271002832e+00,    /* 6 */
+    6.902854364696921e+00,    /* 7 */
+    6.906842761514119e+00,    /* 8 */
+    6.910833462785147e+00,    /* 9 */
+    6.914826469841493e+00,    /* 10 */
+    6.918821784015415e+00,    /* 11 */
+    6.922819406639942e+00,    /* 12 */
+    6.926819339048873e+00,    /* 13 */
+    6.930821582576776e+00,    /* 14 */
+    6.934826138558993e+00,    /* 15 */
+    6.938833008331635e+00,    /* 16 */
+    6.942842193231585e+00,    /* 17 */
+    6.946853694596501e+00,    /* 18 */
+    6.950867513764811e+00,    /* 19 */
+    6.954883652075717e+00,    /* 20 */
+    6.958902110869197e+00,    /* 21 */
+    6.962922891485999e+00,    /* 22 */
+    6.966945995267650e+00,    /* 23 */
+    6.970971423556450e+00,    /* 24 */
+    6.974999177695475e+00,    /* 25 */
+    6.979029259028576e+00,    /* 26 */
+    6.983061668900382e+00,    /* 27 */
+    6.987096408656298e+00,    /* 28 */
+    6.991133479642508e+00,    /* 29 */
+    6.995172883205969e+00,    /* 30 */
+    6.999214620694422e+00,    /* 31 */
+    7.003258693456385e+00,    /* 32 */
+    7.007305102841153e+00,    /* 33 */
+    7.011353850198804e+00,    /* 34 */
+    7.015404936880191e+00,    /* 35 */
+    7.019458364236954e+00,    /* 36 */
+    7.023514133621508e+00,    /* 37 */
+    7.027572246387055e+00,    /* 38 */
+    7.031632703887573e+00,    /* 39 */
+    7.035695507477827e+00,    /* 40 */
+    7.039760658513363e+00,    /* 41 */
+    7.043828158350510e+00,    /* 42 */
+    7.047898008346380e+00,    /* 43 */
+    7.051970209858872e+00,    /* 44 */
+    7.056044764246666e+00,    /* 45 */
+    7.060121672869229e+00,    /* 46 */
+    7.064200937086813e+00,    /* 47 */
+    7.068282558260457e+00,    /* 48 */
+    7.072366537751985e+00,    /* 49 */
+    7.076452876924008e+00,    /* 50 */
+    7.080541577139924e+00,    /* 51 */
+    7.084632639763921e+00,    /* 52 */
+    7.088726066160973e+00,    /* 53 */
+    7.092821857696842e+00,    /* 54 */
+    7.096920015738083e+00,    /* 55 */
+    7.101020541652035e+00,    /* 56 */
+    7.105123436806832e+00,    /* 57 */
+    7.109228702571396e+00,    /* 58 */
+    7.113336340315441e+00,    /* 59 */
+    7.117446351409471e+00,    /* 60 */
+    7.121558737224782e+00,    /* 61 */
+    7.125673499133464e+00,    /* 62 */
+    7.129790638508400e+00,    /* 63 */
+    7.133910156723263e+00,    /* 64 */
+    7.138032055152522e+00,    /* 65 */
+    7.142156335171443e+00,    /* 66 */
+    7.146282998156079e+00,    /* 67 */
+    7.150412045483285e+00,    /* 68 */
+    7.154543478530709e+00,    /* 69 */
+    7.158677298676793e+00,    /* 70 */
+    7.162813507300782e+00,    /* 71 */
+    7.166952105782710e+00,    /* 72 */
+    7.171093095503412e+00,    /* 73 */
+    7.175236477844522e+00,    /* 74 */
+    7.179382254188470e+00,    /* 75 */
+    7.183530425918486e+00,    /* 76 */
+    7.187680994418599e+00,    /* 77 */
+    7.191833961073638e+00,    /* 78 */
+    7.195989327269232e+00,    /* 79 */
+    7.200147094391808e+00,    /* 80 */
+    7.204307263828600e+00,    /* 81 */
+    7.208469836967637e+00,    /* 82 */
+    7.212634815197754e+00,    /* 83 */
+    7.216802199908588e+00,    /* 84 */
+    7.220971992490576e+00,    /* 85 */
+    7.225144194334964e+00,    /* 86 */
+    7.229318806833796e+00,    /* 87 */
+    7.233495831379925e+00,    /* 88 */
+    7.237675269367005e+00,    /* 89 */
+    7.241857122189496e+00,    /* 90 */
+    7.246041391242668e+00,    /* 91 */
+    7.250228077922589e+00,    /* 92 */
+    7.254417183626143e+00,    /* 93 */
+    7.258608709751013e+00,    /* 94 */
+    7.262802657695695e+00,    /* 95 */
+    7.266999028859490e+00,    /* 96 */
+    7.271197824642510e+00,    /* 97 */
+    7.275399046445672e+00,    /* 98 */
+    7.279602695670708e+00,    /* 99 */
+    7.283808773720155e+00,    /* 100 */
+    7.288017281997362e+00,    /* 101 */
+    7.292228221906491e+00,    /* 102 */
+    7.296441594852512e+00,    /* 103 */
+    7.300657402241209e+00,    /* 104 */
+    7.304875645479175e+00,    /* 105 */
+    7.309096325973822e+00,    /* 106 */
+    7.313319445133367e+00,    /* 107 */
+    7.317545004366849e+00,    /* 108 */
+    7.321773005084116e+00,    /* 109 */
+    7.326003448695830e+00,    /* 110 */
+    7.330236336613471e+00,    /* 111 */
+    7.334471670249333e+00,    /* 112 */
+    7.338709451016527e+00,    /* 113 */
+    7.342949680328980e+00,    /* 114 */
+    7.347192359601434e+00,    /* 115 */
+    7.351437490249451e+00,    /* 116 */
+    7.355685073689412e+00,    /* 117 */
+    7.359935111338512e+00,    /* 118 */
+    7.364187604614767e+00,    /* 119 */
+    7.368442554937015e+00,    /* 120 */
+    7.372699963724910e+00,    /* 121 */
+    7.376959832398928e+00,    /* 122 */
+    7.381222162380364e+00,    /* 123 */
+    7.385486955091339e+00,    /* 124 */
+    7.389754211954788e+00,    /* 125 */
+    7.394023934394475e+00,    /* 126 */
+    7.398296123834983e+00,    /* 127 */
+    7.402570781701721e+00,    /* 128 */
+    7.406847909420918e+00,    /* 129 */
+    7.411127508419629e+00,    /* 130 */
+    7.415409580125734e+00,    /* 131 */
+    7.419694125967937e+00,    /* 132 */
+    7.423981147375768e+00,    /* 133 */
+    7.428270645779583e+00,    /* 134 */
+    7.432562622610564e+00,    /* 135 */
+    7.436857079300720e+00,    /* 136 */
+    7.441154017282888e+00,    /* 137 */
+    7.445453437990733e+00,    /* 138 */
+    7.449755342858746e+00,    /* 139 */
+    7.454059733322251e+00,    /* 140 */
+    7.458366610817398e+00,    /* 141 */
+    7.462675976781168e+00,    /* 142 */
+    7.466987832651371e+00,    /* 143 */
+    7.471302179866649e+00,    /* 144 */
+    7.475619019866476e+00,    /* 145 */
+    7.479938354091158e+00,    /* 146 */
+    7.484260183981829e+00,    /* 147 */
+    7.488584510980460e+00,    /* 148 */
+    7.492911336529853e+00,    /* 149 */
+    7.497240662073646e+00,    /* 150 */
+    7.501572489056309e+00,    /* 151 */
+    7.505906818923147e+00,    /* 152 */
+    7.510243653120298e+00,    /* 153 */
+    7.514582993094741e+00,    /* 154 */
+    7.518924840294288e+00,    /* 155 */
+    7.523269196167584e+00,    /* 156 */
+    7.527616062164117e+00,    /* 157 */
+    7.531965439734210e+00,    /* 158 */
+    7.536317330329021e+00,    /* 159 */
+    7.540671735400553e+00,    /* 160 */
+    7.545028656401643e+00,    /* 161 */
+    7.549388094785967e+00,    /* 162 */
+    7.553750052008045e+00,    /* 163 */
+    7.558114529523233e+00,    /* 164 */
+    7.562481528787732e+00,    /* 165 */
+    7.566851051258580e+00,    /* 166 */
+    7.571223098393661e+00,    /* 167 */
+    7.575597671651699e+00,    /* 168 */
+    7.579974772492260e+00,    /* 169 */
+    7.584354402375757e+00,    /* 170 */
+    7.588736562763443e+00,    /* 171 */
+    7.593121255117417e+00,    /* 172 */
+    7.597508480900622e+00,    /* 173 */
+    7.601898241576849e+00,    /* 174 */
+    7.606290538610729e+00,    /* 175 */
+    7.610685373467746e+00,    /* 176 */
+    7.615082747614226e+00,    /* 177 */
+    7.619482662517345e+00,    /* 178 */
+    7.623885119645124e+00,    /* 179 */
+    7.628290120466435e+00,    /* 180 */
+    7.632697666450996e+00,    /* 181 */
+    7.637107759069377e+00,    /* 182 */
+    7.641520399792996e+00,    /* 183 */
+    7.645935590094122e+00,    /* 184 */
+    7.650353331445872e+00,    /* 185 */
+    7.654773625322218e+00,    /* 186 */
+    7.659196473197983e+00,    /* 187 */
+    7.663621876548839e+00,    /* 188 */
+    7.668049836851313e+00,    /* 189 */
+    7.672480355582785e+00,    /* 190 */
+    7.676913434221489e+00,    /* 191 */
+    7.681349074246512e+00,    /* 192 */
+    7.685787277137797e+00,    /* 193 */
+    7.690228044376139e+00,    /* 194 */
+    7.694671377443195e+00,    /* 195 */
+    7.699117277821469e+00,    /* 196 */
+    7.703565746994330e+00,    /* 197 */
+    7.708016786445998e+00,    /* 198 */
+    7.712470397661556e+00,    /* 199 */
+    7.716926582126939e+00,    /* 200 */
+    7.721385341328946e+00,    /* 201 */
+    7.725846676755233e+00,    /* 202 */
+    7.730310589894314e+00,    /* 203 */
+    7.734777082235564e+00,    /* 204 */
+    7.739246155269221e+00,    /* 205 */
+    7.743717810486381e+00,    /* 206 */
+    7.748192049379002e+00,    /* 207 */
+    7.752668873439905e+00,    /* 208 */
+    7.757148284162773e+00,    /* 209 */
+    7.761630283042153e+00,    /* 210 */
+    7.766114871573452e+00,    /* 211 */
+    7.770602051252947e+00,    /* 212 */
+    7.775091823577775e+00,    /* 213 */
+    7.779584190045939e+00,    /* 214 */
+    7.784079152156307e+00,    /* 215 */
+    7.788576711408616e+00,    /* 216 */
+    7.793076869303465e+00,    /* 217 */
+    7.797579627342324e+00,    /* 218 */
+    7.802084987027528e+00,    /* 219 */
+    7.806592949862282e+00,    /* 220 */
+    7.811103517350658e+00,    /* 221 */
+    7.815616690997596e+00,    /* 222 */
+    7.820132472308910e+00,    /* 223 */
+    7.824650862791279e+00,    /* 224 */
+    7.829171863952255e+00,    /* 225 */
+    7.833695477300261e+00,    /* 226 */
+    7.838221704344591e+00,    /* 227 */
+    7.842750546595412e+00,    /* 228 */
+    7.847282005563763e+00,    /* 229 */
+    7.851816082761554e+00,    /* 230 */
+    7.856352779701573e+00,    /* 231 */
+    7.860892097897477e+00,    /* 232 */
+    7.865434038863802e+00,    /* 233 */
+    7.869978604115957e+00,    /* 234 */
+    7.874525795170227e+00,    /* 235 */
+    7.879075613543772e+00,    /* 236 */
+    7.883628060754630e+00,    /* 237 */
+    7.888183138321715e+00,    /* 238 */
+    7.892740847764820e+00,    /* 239 */
+    7.897301190604615e+00,    /* 240 */
+    7.901864168362650e+00,    /* 241 */
+    7.906429782561352e+00,    /* 242 */
+    7.910998034724029e+00,    /* 243 */
+    7.915568926374869e+00,    /* 244 */
+    7.920142459038940e+00,    /* 245 */
+    7.924718634242192e+00,    /* 246 */
+    7.929297453511457e+00,    /* 247 */
+    7.933878918374448e+00,    /* 248 */
+    7.938463030359761e+00,    /* 249 */
+    7.943049790996877e+00,    /* 250 */
+    7.947639201816158e+00,    /* 251 */
+    7.952231264348852e+00,    /* 252 */
+    7.956825980127089e+00,    /* 253 */
+    7.961423350683890e+00,    /* 254 */
+    7.966023377553156e+00,    /* 255 */
+    7.970626062269677e+00,    /* 256 */
+    7.975231406369129e+00,    /* 257 */
+    7.979839411388076e+00,    /* 258 */
+    7.984450078863969e+00,    /* 259 */
+    7.989063410335147e+00,    /* 260 */
+    7.993679407340840e+00,    /* 261 */
+    7.998298071421166e+00,    /* 262 */
+    8.002919404117131e+00,    /* 263 */
+    8.007543406970633e+00,    /* 264 */
+    8.012170081524465e+00,    /* 265 */
+    8.016799429322301e+00,    /* 266 */
+    8.021431451908718e+00,    /* 267 */
+    8.026066150829180e+00,    /* 268 */
+    8.030703527630045e+00,    /* 269 */
+    8.035343583858563e+00,    /* 270 */
+    8.039986321062880e+00,    /* 271 */
+    8.044631740792035e+00,    /* 272 */
+    8.049279844595961e+00,    /* 273 */
+    8.053930634025493e+00,    /* 274 */
+    8.058584110632353e+00,    /* 275 */
+    8.063240275969166e+00,    /* 276 */
+    8.067899131589453e+00,    /* 277 */
+    8.072560679047628e+00,    /* 278 */
+    8.077224919899010e+00,    /* 279 */
+    8.081891855699810e+00,    /* 280 */
+    8.086561488007144e+00,    /* 281 */
+    8.091233818379026e+00,    /* 282 */
+    8.095908848374366e+00,    /* 283 */
+    8.100586579552981e+00,    /* 284 */
+    8.105267013475586e+00,    /* 285 */
+    8.109950151703798e+00,    /* 286 */
+    8.114635995800136e+00,    /* 287 */
+    8.119324547328022e+00,    /* 288 */
+    8.124015807851780e+00,    /* 289 */
+    8.128709778936644e+00,    /* 290 */
+    8.133406462148743e+00,    /* 291 */
+    8.138105859055118e+00,    /* 292 */
+    8.142807971223712e+00,    /* 293 */
+    8.147512800223376e+00,    /* 294 */
+    8.152220347623867e+00,    /* 295 */
+    8.156930614995847e+00,    /* 296 */
+    8.161643603910887e+00,    /* 297 */
+    8.166359315941468e+00,    /* 298 */
+    8.171077752660976e+00,    /* 299 */
+    8.175798915643707e+00,    /* 300 */
+    8.180522806464868e+00,    /* 301 */
+    8.185249426700578e+00,    /* 302 */
+    8.189978777927859e+00,    /* 303 */
+    8.194710861724653e+00,    /* 304 */
+    8.199445679669807e+00,    /* 305 */
+    8.204183233343088e+00,    /* 306 */
+    8.208923524325167e+00,    /* 307 */
+    8.213666554197633e+00,    /* 308 */
+    8.218412324542989e+00,    /* 309 */
+    8.223160836944650e+00,    /* 310 */
+    8.227912092986951e+00,    /* 311 */
+    8.232666094255135e+00,    /* 312 */
+    8.237422842335365e+00,    /* 313 */
+    8.242182338814722e+00,    /* 314 */
+    8.246944585281200e+00,    /* 315 */
+    8.251709583323716e+00,    /* 316 */
+    8.256477334532098e+00,    /* 317 */
+    8.261247840497099e+00,    /* 318 */
+    8.266021102810386e+00,    /* 319 */
+    8.270797123064552e+00,    /* 320 */
+    8.275575902853102e+00,    /* 321 */
+    8.280357443770470e+00,    /* 322 */
+    8.285141747412004e+00,    /* 323 */
+    8.289928815373978e+00,    /* 324 */
+    8.294718649253587e+00,    /* 325 */
+    8.299511250648951e+00,    /* 326 */
+    8.304306621159110e+00,    /* 327 */
+    8.309104762384029e+00,    /* 328 */
+    8.313905675924600e+00,    /* 329 */
+    8.318709363382636e+00,    /* 330 */
+    8.323515826360879e+00,    /* 331 */
+    8.328325066462993e+00,    /* 332 */
+    8.333137085293574e+00,    /* 333 */
+    8.337951884458139e+00,    /* 334 */
+    8.342769465563139e+00,    /* 335 */
+    8.347589830215947e+00,    /* 336 */
+    8.352412980024869e+00,    /* 337 */
+    8.357238916599140e+00,    /* 338 */
+    8.362067641548924e+00,    /* 339 */
+    8.366899156485312e+00,    /* 340 */
+    8.371733463020332e+00,    /* 341 */
+    8.376570562766940e+00,    /* 342 */
+    8.381410457339022e+00,    /* 343 */
+    8.386253148351402e+00,    /* 344 */
+    8.391098637419832e+00,    /* 345 */
+    8.395946926161001e+00,    /* 346 */
+    8.400798016192528e+00,    /* 347 */
+    8.405651909132970e+00,    /* 348 */
+    8.410508606601821e+00,    /* 349 */
+    8.415368110219505e+00,    /* 350 */
+    8.420230421607386e+00,    /* 351 */
+    8.425095542387766e+00,    /* 352 */
+    8.429963474183879e+00,    /* 353 */
+    8.434834218619903e+00,    /* 354 */
+    8.439707777320951e+00,    /* 355 */
+    8.444584151913077e+00,    /* 356 */
+    8.449463344023272e+00,    /* 357 */
+    8.454345355279468e+00,    /* 358 */
+    8.459230187310540e+00,    /* 359 */
+    8.464117841746299e+00,    /* 360 */
+    8.469008320217505e+00,    /* 361 */
+    8.473901624355852e+00,    /* 362 */
+    8.478797755793982e+00,    /* 363 */
+    8.483696716165481e+00,    /* 364 */
+    8.488598507104875e+00,    /* 365 */
+    8.493503130247639e+00,    /* 366 */
+    8.498410587230186e+00,    /* 367 */
+    8.503320879689882e+00,    /* 368 */
+    8.508234009265037e+00,    /* 369 */
+    8.513149977594903e+00,    /* 370 */
+    8.518068786319684e+00,    /* 371 */
+    8.522990437080532e+00,    /* 372 */
+    8.527914931519545e+00,    /* 373 */
+    8.532842271279769e+00,    /* 374 */
+    8.537772458005202e+00,    /* 375 */
+    8.542705493340792e+00,    /* 376 */
+    8.547641378932433e+00,    /* 377 */
+    8.552580116426974e+00,    /* 378 */
+    8.557521707472215e+00,    /* 379 */
+    8.562466153716908e+00,    /* 380 */
+    8.567413456810757e+00,    /* 381 */
+    8.572363618404419e+00,    /* 382 */
+    8.577316640149505e+00,    /* 383 */
+    8.582272523698583e+00,    /* 384 */
+    8.587231270705169e+00,    /* 385 */
+    8.592192882823742e+00,    /* 386 */
+    8.597157361709733e+00,    /* 387 */
+    8.602124709019529e+00,    /* 388 */
+    8.607094926410477e+00,    /* 389 */
+    8.612068015540880e+00,    /* 390 */
+    8.617043978069995e+00,    /* 391 */
+    8.622022815658045e+00,    /* 392 */
+    8.627004529966209e+00,    /* 393 */
+    8.631989122656625e+00,    /* 394 */
+    8.636976595392392e+00,    /* 395 */
+    8.641966949837570e+00,    /* 396 */
+    8.646960187657180e+00,    /* 397 */
+    8.651956310517207e+00,    /* 398 */
+    8.656955320084593e+00,    /* 399 */
+    8.661957218027252e+00,    /* 400 */
+    8.666962006014057e+00,    /* 401 */
+    8.671969685714840e+00,    /* 402 */
+    8.676980258800409e+00,    /* 403 */
+    8.681993726942528e+00,    /* 404 */
+    8.687010091813930e+00,    /* 405 */
+    8.692029355088316e+00,    /* 406 */
+    8.697051518440352e+00,    /* 407 */
+    8.702076583545674e+00,    /* 408 */
+    8.707104552080883e+00,    /* 409 */
+    8.712135425723552e+00,    /* 410 */
+    8.717169206152221e+00,    /* 411 */
+    8.722205895046399e+00,    /* 412 */
+    8.727245494086567e+00,    /* 413 */
+    8.732288004954178e+00,    /* 414 */
+    8.737333429331656e+00,    /* 415 */
+    8.742381768902394e+00,    /* 416 */
+    8.747433025350762e+00,    /* 417 */
+    8.752487200362102e+00,    /* 418 */
+    8.757544295622727e+00,    /* 419 */
+    8.762604312819928e+00,    /* 420 */
+    8.767667253641967e+00,    /* 421 */
+    8.772733119778087e+00,    /* 422 */
+    8.777801912918500e+00,    /* 423 */
+    8.782873634754402e+00,    /* 424 */
+    8.787948286977960e+00,    /* 425 */
+    8.793025871282323e+00,    /* 426 */
+    8.798106389361616e+00,    /* 427 */
+    8.803189842910941e+00,    /* 428 */
+    8.808276233626385e+00,    /* 429 */
+    8.813365563205011e+00,    /* 430 */
+    8.818457833344864e+00,    /* 431 */
+    8.823553045744966e+00,    /* 432 */
+    8.828651202105329e+00,    /* 433 */
+    8.833752304126937e+00,    /* 434 */
+    8.838856353511767e+00,    /* 435 */
+    8.843963351962772e+00,    /* 436 */
+    8.849073301183891e+00,    /* 437 */
+    8.854186202880051e+00,    /* 438 */
+    8.859302058757157e+00,    /* 439 */
+    8.864420870522107e+00,    /* 440 */
+    8.869542639882781e+00,    /* 441 */
+    8.874667368548046e+00,    /* 442 */
+    8.879795058227758e+00,    /* 443 */
+    8.884925710632759e+00,    /* 444 */
+    8.890059327474882e+00,    /* 445 */
+    8.895195910466947e+00,    /* 446 */
+    8.900335461322765e+00,    /* 447 */
+    8.905477981757135e+00,    /* 448 */
+    8.910623473485851e+00,    /* 449 */
+    8.915771938225692e+00,    /* 450 */
+    8.920923377694434e+00,    /* 451 */
+    8.926077793610846e+00,    /* 452 */
+    8.931235187694687e+00,    /* 453 */
+    8.936395561666711e+00,    /* 454 */
+    8.941558917248665e+00,    /* 455 */
+    8.946725256163294e+00,    /* 456 */
+    8.951894580134335e+00,    /* 457 */
+    8.957066890886521e+00,    /* 458 */
+    8.962242190145584e+00,    /* 459 */
+    8.967420479638255e+00,    /* 460 */
+    8.972601761092255e+00,    /* 461 */
+    8.977786036236310e+00,    /* 462 */
+    8.982973306800142e+00,    /* 463 */
+    8.988163574514473e+00,    /* 464 */
+    8.993356841111027e+00,    /* 465 */
+    8.998553108322524e+00,    /* 466 */
+    9.003752377882689e+00,    /* 467 */
+    9.008954651526247e+00,    /* 468 */
+    9.014159930988928e+00,    /* 469 */
+    9.019368218007461e+00,    /* 470 */
+    9.024579514319580e+00,    /* 471 */
+    9.029793821664024e+00,    /* 472 */
+    9.035011141780535e+00,    /* 473 */
+    9.040231476409861e+00,    /* 474 */
+    9.045454827293758e+00,    /* 475 */
+    9.050681196174985e+00,    /* 476 */
+    9.055910584797308e+00,    /* 477 */
+    9.061142994905502e+00,    /* 478 */
+    9.066378428245352e+00,    /* 479 */
+    9.071616886563648e+00,    /* 480 */
+    9.076858371608191e+00,    /* 481 */
+    9.082102885127791e+00,    /* 482 */
+    9.087350428872268e+00,    /* 483 */
+    9.092601004592458e+00,    /* 484 */
+    9.097854614040202e+00,    /* 485 */
+    9.103111258968356e+00,    /* 486 */
+    9.108370941130788e+00,    /* 487 */
+    9.113633662282384e+00,    /* 488 */
+    9.118899424179036e+00,    /* 489 */
+    9.124168228577656e+00,    /* 490 */
+    9.129440077236168e+00,    /* 491 */
+    9.134714971913517e+00,    /* 492 */
+    9.139992914369659e+00,    /* 493 */
+    9.145273906365567e+00,    /* 494 */
+    9.150557949663234e+00,    /* 495 */
+    9.155845046025673e+00,    /* 496 */
+    9.161135197216907e+00,    /* 497 */
+    9.166428405001991e+00,    /* 498 */
+    9.171724671146988e+00,    /* 499 */
+    9.177023997418987e+00,    /* 500 */
+    9.182326385586098e+00,    /* 501 */
+    9.187631837417451e+00,    /* 502 */
+    9.192940354683200e+00,    /* 503 */
+    9.198251939154520e+00,    /* 504 */
+    9.203566592603611e+00,    /* 505 */
+    9.208884316803697e+00,    /* 506 */
+    9.214205113529024e+00,    /* 507 */
+    9.219528984554865e+00,    /* 508 */
+    9.224855931657519e+00,    /* 509 */
+    9.230185956614312e+00,    /* 510 */
+    9.235519061203593e+00,    /* 511 */
+    9.240855247204744e+00,    /* 512 */
+    9.246194516398171e+00,    /* 513 */
+    9.251536870565310e+00,    /* 514 */
+    9.256882311488630e+00,    /* 515 */
+    9.262230840951620e+00,    /* 516 */
+    9.267582460738812e+00,    /* 517 */
+    9.272937172635757e+00,    /* 518 */
+    9.278294978429049e+00,    /* 519 */
+    9.283655879906306e+00,    /* 520 */
+    9.289019878856182e+00,    /* 521 */
+    9.294386977068365e+00,    /* 522 */
+    9.299757176333575e+00,    /* 523 */
+    9.305130478443569e+00,    /* 524 */
+    9.310506885191138e+00,    /* 525 */
+    9.315886398370107e+00,    /* 526 */
+    9.321269019775343e+00,    /* 527 */
+    9.326654751202744e+00,    /* 528 */
+    9.332043594449249e+00,    /* 529 */
+    9.337435551312835e+00,    /* 530 */
+    9.342830623592516e+00,    /* 531 */
+    9.348228813088346e+00,    /* 532 */
+    9.353630121601423e+00,    /* 533 */
+    9.359034550933879e+00,    /* 534 */
+    9.364442102888894e+00,    /* 535 */
+    9.369852779270683e+00,    /* 536 */
+    9.375266581884510e+00,    /* 537 */
+    9.380683512536677e+00,    /* 538 */
+    9.386103573034532e+00,    /* 539 */
+    9.391526765186470e+00,    /* 540 */
+    9.396953090801922e+00,    /* 541 */
+    9.402382551691376e+00,    /* 542 */
+    9.407815149666359e+00,    /* 543 */
+    9.413250886539444e+00,    /* 544 */
+    9.418689764124254e+00,    /* 545 */
+    9.424131784235461e+00,    /* 546 */
+    9.429576948688782e+00,    /* 547 */
+    9.435025259300986e+00,    /* 548 */
+    9.440476717889890e+00,    /* 549 */
+    9.445931326274362e+00,    /* 550 */
+    9.451389086274322e+00,    /* 551 */
+    9.456849999710737e+00,    /* 552 */
+    9.462314068405634e+00,    /* 553 */
+    9.467781294182085e+00,    /* 554 */
+    9.473251678864221e+00,    /* 555 */
+    9.478725224277222e+00,    /* 556 */
+    9.484201932247325e+00,    /* 557 */
+    9.489681804601826e+00,    /* 558 */
+    9.495164843169070e+00,    /* 559 */
+    9.500651049778460e+00,    /* 560 */
+    9.506140426260462e+00,    /* 561 */
+    9.511632974446592e+00,    /* 562 */
+    9.517128696169429e+00,    /* 563 */
+    9.522627593262607e+00,    /* 564 */
+    9.528129667560824e+00,    /* 565 */
+    9.533634920899836e+00,    /* 566 */
+    9.539143355116456e+00,    /* 567 */
+    9.544654972048564e+00,    /* 568 */
+    9.550169773535101e+00,    /* 569 */
+    9.555687761416067e+00,    /* 570 */
+    9.561208937532529e+00,    /* 571 */
+    9.566733303726613e+00,    /* 572 */
+    9.572260861841515e+00,    /* 573 */
+    9.577791613721493e+00,    /* 574 */
+    9.583325561211870e+00,    /* 575 */
+    9.588862706159038e+00,    /* 576 */
+    9.594403050410451e+00,    /* 577 */
+    9.599946595814636e+00,    /* 578 */
+    9.605493344221186e+00,    /* 579 */
+    9.611043297480759e+00,    /* 580 */
+    9.616596457445088e+00,    /* 581 */
+    9.622152825966971e+00,    /* 582 */
+    9.627712404900283e+00,    /* 583 */
+    9.633275196099962e+00,    /* 584 */
+    9.638841201422023e+00,    /* 585 */
+    9.644410422723555e+00,    /* 586 */
+    9.649982861862712e+00,    /* 587 */
+    9.655558520698731e+00,    /* 588 */
+    9.661137401091917e+00,    /* 589 */
+    9.666719504903652e+00,    /* 590 */
+    9.672304833996394e+00,    /* 591 */
+    9.677893390233677e+00,    /* 592 */
+    9.683485175480111e+00,    /* 593 */
+    9.689080191601384e+00,    /* 594 */
+    9.694678440464259e+00,    /* 595 */
+    9.700279923936582e+00,    /* 596 */
+    9.705884643887279e+00,    /* 597 */
+    9.711492602186349e+00,    /* 598 */
+    9.717103800704876e+00,    /* 599 */
+    9.722718241315029e+00,    /* 600 */
+    9.728335925890050e+00,    /* 601 */
+    9.733956856304269e+00,    /* 602 */
+    9.739581034433099e+00,    /* 603 */
+    9.745208462153036e+00,    /* 604 */
+    9.750839141341658e+00,    /* 605 */
+    9.756473073877629e+00,    /* 606 */
+    9.762110261640702e+00,    /* 607 */
+    9.767750706511709e+00,    /* 608 */
+    9.773394410372575e+00,    /* 609 */
+    9.779041375106310e+00,    /* 610 */
+    9.784691602597013e+00,    /* 611 */
+    9.790345094729869e+00,    /* 612 */
+    9.796001853391154e+00,    /* 613 */
+    9.801661880468235e+00,    /* 614 */
+    9.807325177849568e+00,    /* 615 */
+    9.812991747424702e+00,    /* 616 */
+    9.818661591084274e+00,    /* 617 */
+    9.824334710720015e+00,    /* 618 */
+    9.830011108224751e+00,    /* 619 */
+    9.835690785492401e+00,    /* 620 */
+    9.841373744417977e+00,    /* 621 */
+    9.847059986897586e+00,    /* 622 */
+    9.852749514828432e+00,    /* 623 */
+    9.858442330108813e+00,    /* 624 */
+    9.864138434638127e+00,    /* 625 */
+    9.869837830316865e+00,    /* 626 */
+    9.875540519046620e+00,    /* 627 */
+    9.881246502730082e+00,    /* 628 */
+    9.886955783271041e+00,    /* 629 */
+    9.892668362574387e+00,    /* 630 */
+    9.898384242546111e+00,    /* 631 */
+    9.904103425093302e+00,    /* 632 */
+    9.909825912124154e+00,    /* 633 */
+    9.915551705547966e+00,    /* 634 */
+    9.921280807275133e+00,    /* 635 */
+    9.927013219217161e+00,    /* 636 */
+    9.932748943286656e+00,    /* 637 */
+    9.938487981397330e+00,    /* 638 */
+    9.944230335464004e+00,    /* 639 */
+    9.949976007402599e+00,    /* 640 */
+    9.955724999130149e+00,    /* 641 */
+    9.961477312564792e+00,    /* 642 */
+    9.967232949625776e+00,    /* 643 */
+    9.972991912233459e+00,    /* 644 */
+    9.978754202309304e+00,    /* 645 */
+    9.984519821775887e+00,    /* 646 */
+    9.990288772556898e+00,    /* 647 */
+    9.996061056577135e+00,    /* 648 */
+    1.000183667576251e+01,    /* 649 */
+    1.000761563204004e+01,    /* 650 */
+    1.001339792733786e+01,    /* 651 */
+    1.001918356358524e+01,    /* 652 */
+    1.002497254271253e+01,    /* 653 */
+    1.003076486665121e+01,    /* 654 */
+    1.003656053733387e+01,    /* 655 */
+    1.004235955669425e+01,    /* 656 */
+    1.004816192666716e+01,    /* 657 */
+    1.005396764918855e+01,    /* 658 */
+    1.005977672619549e+01,    /* 659 */
+    1.006558915962617e+01,    /* 660 */
+    1.007140495141990e+01,    /* 661 */
+    1.007722410351709e+01,    /* 662 */
+    1.008304661785931e+01,    /* 663 */
+    1.008887249638921e+01,    /* 664 */
+    1.009470174105059e+01,    /* 665 */
+    1.010053435378837e+01,    /* 666 */
+    1.010637033654859e+01,    /* 667 */
+    1.011220969127841e+01,    /* 668 */
+    1.011805241992611e+01,    /* 669 */
+    1.012389852444111e+01,    /* 670 */
+    1.012974800677396e+01,    /* 671 */
+    1.013560086887632e+01,    /* 672 */
+    1.014145711270099e+01,    /* 673 */
+    1.014731674020188e+01,    /* 674 */
+    1.015317975333406e+01,    /* 675 */
+    1.015904615405370e+01,    /* 676 */
+    1.016491594431812e+01,    /* 677 */
+    1.017078912608576e+01,    /* 678 */
+    1.017666570131619e+01,    /* 679 */
+    1.018254567197013e+01,    /* 680 */
+    1.018842904000941e+01,    /* 681 */
+    1.019431580739701e+01,    /* 682 */
+    1.020020597609703e+01,    /* 683 */
+    1.020609954807471e+01,    /* 684 */
+    1.021199652529644e+01,    /* 685 */
+    1.021789690972973e+01,    /* 686 */
+    1.022380070334324e+01,    /* 687 */
+    1.022970790810674e+01,    /* 688 */
+    1.023561852599116e+01,    /* 689 */
+    1.024153255896858e+01,    /* 690 */
+    1.024745000901219e+01,    /* 691 */
+    1.025337087809634e+01,    /* 692 */
+    1.025929516819652e+01,    /* 693 */
+    1.026522288128936e+01,    /* 694 */
+    1.027115401935261e+01,    /* 695 */
+    1.027708858436520e+01,    /* 696 */
+    1.028302657830718e+01,    /* 697 */
+    1.028896800315975e+01,    /* 698 */
+    1.029491286090526e+01,    /* 699 */
+    1.030086115352719e+01,    /* 700 */
+    1.030681288301017e+01,    /* 701 */
+    1.031276805134000e+01,    /* 702 */
+    1.031872666050360e+01,    /* 703 */
+    1.032468871248905e+01,    /* 704 */
+    1.033065420928557e+01,    /* 705 */
+    1.033662315288354e+01,    /* 706 */
+    1.034259554527449e+01,    /* 707 */
+    1.034857138845109e+01,    /* 708 */
+    1.035455068440717e+01,    /* 709 */
+    1.036053343513771e+01,    /* 710 */
+    1.036651964263884e+01,    /* 711 */
+    1.037250930890785e+01,    /* 712 */
+    1.037850243594318e+01,    /* 713 */
+    1.038449902574443e+01,    /* 714 */
+    1.039049908031233e+01,    /* 715 */
+    1.039650260164880e+01,    /* 716 */
+    1.040250959175691e+01,    /* 717 */
+    1.040852005264086e+01,    /* 718 */
+    1.041453398630604e+01,    /* 719 */
+    1.042055139475899e+01,    /* 720 */
+    1.042657228000739e+01,    /* 721 */
+    1.043259664406012e+01,    /* 722 */
+    1.043862448892718e+01,    /* 723 */
+    1.044465581661974e+01,    /* 724 */
+    1.045069062915016e+01,    /* 725 */
+    1.045672892853194e+01,    /* 726 */
+    1.046277071677973e+01,    /* 727 */
+    1.046881599590938e+01,    /* 728 */
+    1.047486476793787e+01,    /* 729 */
+    1.048091703488336e+01,    /* 730 */
+    1.048697279876519e+01,    /* 731 */
+    1.049303206160384e+01,    /* 732 */
+    1.049909482542098e+01,    /* 733 */
+    1.050516109223943e+01,    /* 734 */
+    1.051123086408320e+01,    /* 735 */
+    1.051730414297744e+01,    /* 736 */
+    1.052338093094850e+01,    /* 737 */
+    1.052946123002388e+01,    /* 738 */
+    1.053554504223227e+01,    /* 739 */
+    1.054163236960350e+01,    /* 740 */
+    1.054772321416862e+01,    /* 741 */
+    1.055381757795981e+01,    /* 742 */
+    1.055991546301045e+01,    /* 743 */
+    1.056601687135509e+01,    /* 744 */
+    1.057212180502944e+01,    /* 745 */
+    1.057823026607040e+01,    /* 746 */
+    1.058434225651606e+01,    /* 747 */
+    1.059045777840566e+01,    /* 748 */
+    1.059657683377963e+01,    /* 749 */
+    1.060269942467959e+01,    /* 750 */
+    1.060882555314833e+01,    /* 751 */
+    1.061495522122981e+01,    /* 752 */
+    1.062108843096918e+01,    /* 753 */
+    1.062722518441279e+01,    /* 754 */
+    1.063336548360814e+01,    /* 755 */
+    1.063950933060393e+01,    /* 756 */
+    1.064565672745005e+01,    /* 757 */
+    1.065180767619755e+01,    /* 758 */
+    1.065796217889870e+01,    /* 759 */
+    1.066412023760692e+01,    /* 760 */
+    1.067028185437685e+01,    /* 761 */
+    1.067644703126430e+01,    /* 762 */
+    1.068261577032625e+01,    /* 763 */
+    1.068878807362090e+01,    /* 764 */
+    1.069496394320763e+01,    /* 765 */
+    1.070114338114700e+01,    /* 766 */
+    1.070732638950076e+01,    /* 767 */
+    1.071351297033187e+01,    /* 768 */
+    1.071970312570447e+01,    /* 769 */
+    1.072589685768389e+01,    /* 770 */
+    1.073209416833664e+01,    /* 771 */
+    1.073829505973047e+01,    /* 772 */
+    1.074449953393427e+01,    /* 773 */
+    1.075070759301816e+01,    /* 774 */
+    1.075691923905345e+01,    /* 775 */
+    1.076313447411263e+01,    /* 776 */
+    1.076935330026941e+01,    /* 777 */
+    1.077557571959869e+01,    /* 778 */
+    1.078180173417656e+01,    /* 779 */
+    1.078803134608032e+01,    /* 780 */
+    1.079426455738847e+01,    /* 781 */
+    1.080050137018071e+01,    /* 782 */
+    1.080674178653793e+01,    /* 783 */
+    1.081298580854224e+01,    /* 784 */
+    1.081923343827694e+01,    /* 785 */
+    1.082548467782655e+01,    /* 786 */
+    1.083173952927677e+01,    /* 787 */
+    1.083799799471452e+01,    /* 788 */
+    1.084426007622793e+01,    /* 789 */
+    1.085052577590632e+01,    /* 790 */
+    1.085679509584024e+01,    /* 791 */
+    1.086306803812144e+01,    /* 792 */
+    1.086934460484285e+01,    /* 793 */
+    1.087562479809866e+01,    /* 794 */
+    1.088190861998423e+01,    /* 795 */
+    1.088819607259615e+01,    /* 796 */
+    1.089448715803220e+01,    /* 797 */
+    1.090078187839141e+01,    /* 798 */
+    1.090708023577399e+01,    /* 799 */
+    1.091338223228137e+01,    /* 800 */
+    1.091968787001621e+01,    /* 801 */
+    1.092599715108236e+01,    /* 802 */
+    1.093231007758490e+01,    /* 803 */
+    1.093862665163013e+01,    /* 804 */
+    1.094494687532556e+01,    /* 805 */
+    1.095127075077993e+01,    /* 806 */
+    1.095759828010317e+01,    /* 807 */
+    1.096392946540646e+01,    /* 808 */
+    1.097026430880218e+01,    /* 809 */
+    1.097660281240394e+01,    /* 810 */
+    1.098294497832656e+01,    /* 811 */
+    1.098929080868611e+01,    /* 812 */
+    1.099564030559985e+01,    /* 813 */
+    1.100199347118628e+01,    /* 814 */
+    1.100835030756511e+01,    /* 815 */
+    1.101471081685730e+01,    /* 816 */
+    1.102107500118502e+01,    /* 817 */
+    1.102744286267166e+01,    /* 818 */
+    1.103381440344184e+01,    /* 819 */
+    1.104018962562143e+01,    /* 820 */
+    1.104656853133749e+01,    /* 821 */
+    1.105295112271833e+01,    /* 822 */
+    1.105933740189350e+01,    /* 823 */
+    1.106572737099377e+01,    /* 824 */
+    1.107212103215112e+01,    /* 825 */
+    1.107851838749881e+01,    /* 826 */
+    1.108491943917128e+01,    /* 827 */
+    1.109132418930424e+01,    /* 828 */
+    1.109773264003461e+01,    /* 829 */
+    1.110414479350058e+01,    /* 830 */
+    1.111056065184153e+01,    /* 831 */
+    1.111698021719810e+01,    /* 832 */
+    1.112340349171218e+01,    /* 833 */
+    1.112983047752687e+01,    /* 834 */
+    1.113626117678652e+01,    /* 835 */
+    1.114269559163672e+01,    /* 836 */
+    1.114913372422430e+01,    /* 837 */
+    1.115557557669733e+01,    /* 838 */
+    1.116202115120513e+01,    /* 839 */
+    1.116847044989824e+01,    /* 840 */
+    1.117492347492846e+01,    /* 841 */
+    1.118138022844883e+01,    /* 842 */
+    1.118784071261362e+01,    /* 843 */
+    1.119430492957838e+01,    /* 844 */
+    1.120077288149986e+01,    /* 845 */
+    1.120724457053610e+01,    /* 846 */
+    1.121371999884635e+01,    /* 847 */
+    1.122019916859113e+01,    /* 848 */
+    1.122668208193219e+01,    /* 849 */
+    1.123316874103256e+01,    /* 850 */
+    1.123965914805649e+01,    /* 851 */
+    1.124615330516949e+01,    /* 852 */
+    1.125265121453833e+01,    /* 853 */
+    1.125915287833101e+01,    /* 854 */
+    1.126565829871680e+01,    /* 855 */
+    1.127216747786624e+01,    /* 856 */
+    1.127868041795107e+01,    /* 857 */
+    1.128519712114435e+01,    /* 858 */
+    1.129171758962035e+01,    /* 859 */
+    1.129824182555462e+01,    /* 860 */
+    1.130476983112394e+01,    /* 861 */
+    1.131130160850638e+01,    /* 862 */
+    1.131783715988125e+01,    /* 863 */
+    1.132437648742913e+01,    /* 864 */
+    1.133091959333184e+01,    /* 865 */
+    1.133746647977249e+01,    /* 866 */
+    1.134401714893542e+01,    /* 867 */
+    1.135057160300625e+01,    /* 868 */
+    1.135712984417187e+01,    /* 869 */
+    1.136369187462041e+01,    /* 870 */
+    1.137025769654129e+01,    /* 871 */
+    1.137682731212518e+01,    /* 872 */
+    1.138340072356401e+01,    /* 873 */
+    1.138997793305099e+01,    /* 874 */
+    1.139655894278060e+01,    /* 875 */
+    1.140314375494857e+01,    /* 876 */
+    1.140973237175192e+01,    /* 877 */
+    1.141632479538892e+01,    /* 878 */
+    1.142292102805911e+01,    /* 879 */
+    1.142952107196333e+01,    /* 880 */
+    1.143612492930366e+01,    /* 881 */
+    1.144273260228346e+01,    /* 882 */
+    1.144934409310737e+01,    /* 883 */
+    1.145595940398131e+01,    /* 884 */
+    1.146257853711245e+01,    /* 885 */
+    1.146920149470925e+01,    /* 886 */
+    1.147582827898146e+01,    /* 887 */
+    1.148245889214008e+01,    /* 888 */
+    1.148909333639740e+01,    /* 889 */
+    1.149573161396700e+01,    /* 890 */
+    1.150237372706373e+01,    /* 891 */
+    1.150901967790370e+01,    /* 892 */
+    1.151566946870432e+01,    /* 893 */
+    1.152232310168429e+01,    /* 894 */
+    1.152898057906358e+01,    /* 895 */
+    1.153564190306344e+01,    /* 896 */
+    1.154230707590640e+01,    /* 897 */
+    1.154897609981630e+01,    /* 898 */
+    1.155564897701822e+01,    /* 899 */
+    1.156232570973857e+01,    /* 900 */
+    1.156900630020503e+01,    /* 901 */
+    1.157569075064656e+01,    /* 902 */
+    1.158237906329340e+01,    /* 903 */
+    1.158907124037712e+01,    /* 904 */
+    1.159576728413052e+01,    /* 905 */
+    1.160246719678775e+01,    /* 906 */
+    1.160917098058420e+01,    /* 907 */
+    1.161587863775658e+01,    /* 908 */
+    1.162259017054289e+01,    /* 909 */
+    1.162930558118242e+01,    /* 910 */
+    1.163602487191574e+01,    /* 911 */
+    1.164274804498475e+01,    /* 912 */
+    1.164947510263260e+01,    /* 913 */
+    1.165620604710378e+01,    /* 914 */
+    1.166294088064403e+01,    /* 915 */
+    1.166967960550044e+01,    /* 916 */
+    1.167642222392135e+01,    /* 917 */
+    1.168316873815644e+01,    /* 918 */
+    1.168991915045666e+01,    /* 919 */
+    1.169667346307427e+01,    /* 920 */
+    1.170343167826283e+01,    /* 921 */
+    1.171019379827721e+01,    /* 922 */
+    1.171695982537358e+01,    /* 923 */
+    1.172372976180941e+01,    /* 924 */
+    1.173050360984346e+01,    /* 925 */
+    1.173728137173583e+01,    /* 926 */
+    1.174406304974791e+01,    /* 927 */
+    1.175084864614237e+01,    /* 928 */
+    1.175763816318322e+01,    /* 929 */
+    1.176443160313578e+01,    /* 930 */
+    1.177122896826666e+01,    /* 931 */
+    1.177803026084377e+01,    /* 932 */
+    1.178483548313637e+01,    /* 933 */
+    1.179164463741501e+01,    /* 934 */
+    1.179845772595153e+01,    /* 935 */
+    1.180527475101911e+01,    /* 936 */
+    1.181209571489225e+01,    /* 937 */
+    1.181892061984674e+01,    /* 938 */
+    1.182574946815969e+01,    /* 939 */
+    1.183258226210954e+01,    /* 940 */
+    1.183941900397603e+01,    /* 941 */
+    1.184625969604024e+01,    /* 942 */
+    1.185310434058453e+01,    /* 943 */
+    1.185995293989262e+01,    /* 944 */
+    1.186680549624953e+01,    /* 945 */
+    1.187366201194159e+01,    /* 946 */
+    1.188052248925647e+01,    /* 947 */
+    1.188738693048315e+01,    /* 948 */
+    1.189425533791194e+01,    /* 949 */
+    1.190112771383447e+01,    /* 950 */
+    1.190800406054369e+01,    /* 951 */
+    1.191488438033388e+01,    /* 952 */
+    1.192176867550065e+01,    /* 953 */
+    1.192865694834093e+01,    /* 954 */
+    1.193554920115298e+01,    /* 955 */
+    1.194244543623637e+01,    /* 956 */
+    1.194934565589204e+01,    /* 957 */
+    1.195624986242221e+01,    /* 958 */
+    1.196315805813046e+01,    /* 959 */
+    1.197007024532171e+01,    /* 960 */
+    1.197698642630218e+01,    /* 961 */
+    1.198390660337945e+01,    /* 962 */
+    1.199083077886241e+01,    /* 963 */
+    1.199775895506131e+01,    /* 964 */
+    1.200469113428772e+01,    /* 965 */
+    1.201162731885455e+01,    /* 966 */
+    1.201856751107603e+01,    /* 967 */
+    1.202551171326775e+01,    /* 968 */
+    1.203245992774663e+01,    /* 969 */
+    1.203941215683092e+01,    /* 970 */
+    1.204636840284023e+01,    /* 971 */
+    1.205332866809548e+01,    /* 972 */
+    1.206029295491897e+01,    /* 973 */
+    1.206726126563430e+01,    /* 974 */
+    1.207423360256643e+01,    /* 975 */
+    1.208120996804169e+01,    /* 976 */
+    1.208819036438771e+01,    /* 977 */
+    1.209517479393349e+01,    /* 978 */
+    1.210216325900937e+01,    /* 979 */
+    1.210915576194704e+01,    /* 980 */
+    1.211615230507953e+01,    /* 981 */
+    1.212315289074123e+01,    /* 982 */
+    1.213015752126786e+01,    /* 983 */
+    1.213716619899651e+01,    /* 984 */
+    1.214417892626560e+01,    /* 985 */
+    1.215119570541492e+01,    /* 986 */
+    1.215821653878560e+01,    /* 987 */
+    1.216524142872013e+01,    /* 988 */
+    1.217227037756235e+01,    /* 989 */
+    1.217930338765746e+01,    /* 990 */
+    1.218634046135199e+01,    /* 991 */
+    1.219338160099387e+01,    /* 992 */
+    1.220042680893234e+01,    /* 993 */
+    1.220747608751803e+01,    /* 994 */
+    1.221452943910292e+01,    /* 995 */
+    1.222158686604034e+01,    /* 996 */
+    1.222864837068499e+01,    /* 997 */
+    1.223571395539292e+01,    /* 998 */
+    1.224278362252155e+01,    /* 999 */
+    1.224985737442966e+01,    /* 1000 */
+    1.225693521347741e+01,    /* 1001 */
+    1.226401714202627e+01,    /* 1002 */
+    1.227110316243915e+01,    /* 1003 */
+    1.227819327708026e+01,    /* 1004 */
+    1.228528748831521e+01,    /* 1005 */
+    1.229238579851096e+01,    /* 1006 */
+    1.229948821003587e+01,    /* 1007 */
+    1.230659472525962e+01,    /* 1008 */
+    1.231370534655330e+01,    /* 1009 */
+    1.232082007628935e+01,    /* 1010 */
+    1.232793891684158e+01,    /* 1011 */
+    1.233506187058518e+01,    /* 1012 */
+    1.234218893989671e+01,    /* 1013 */
+    1.234932012715410e+01,    /* 1014 */
+    1.235645543473665e+01,    /* 1015 */
+    1.236359486502506e+01,    /* 1016 */
+    1.237073842040136e+01,    /* 1017 */
+    1.237788610324901e+01,    /* 1018 */
+    1.238503791595280e+01,    /* 1019 */
+    1.239219386089892e+01,    /* 1020 */
+    1.239935394047494e+01,    /* 1021 */
+    1.240651815706980e+01,    /* 1022 */
+    1.241368651307384e+01,    /* 1023 */
+    1.242085901087876e+01,    /* 1024 */
+    1.242803565287764e+01,    /* 1025 */
+    1.243521644146496e+01,    /* 1026 */
+    1.244240137903658e+01,    /* 1027 */
+    1.244959046798973e+01,    /* 1028 */
+    1.245678371072304e+01,    /* 1029 */
+    1.246398110963652e+01,    /* 1030 */
+    1.247118266713156e+01,    /* 1031 */
+    1.247838838561096e+01,    /* 1032 */
+    1.248559826747888e+01,    /* 1033 */
+    1.249281231514089e+01,    /* 1034 */
+    1.250003053100394e+01,    /* 1035 */
+    1.250725291747637e+01,    /* 1036 */
+    1.251447947696792e+01,    /* 1037 */
+    1.252171021188970e+01,    /* 1038 */
+    1.252894512465425e+01,    /* 1039 */
+    1.253618421767548e+01,    /* 1040 */
+    1.254342749336869e+01,    /* 1041 */
+    1.255067495415059e+01,    /* 1042 */
+    1.255792660243928e+01,    /* 1043 */
+    1.256518244065426e+01,    /* 1044 */
+    1.257244247121641e+01,    /* 1045 */
+    1.257970669654805e+01,    /* 1046 */
+    1.258697511907285e+01,    /* 1047 */
+    1.259424774121592e+01,    /* 1048 */
+    1.260152456540375e+01,    /* 1049 */
+    1.260880559406423e+01,    /* 1050 */
+    1.261609082962667e+01,    /* 1051 */
+    1.262338027452177e+01,    /* 1052 */
+    1.263067393118164e+01,    /* 1053 */
+    1.263797180203979e+01,    /* 1054 */
+    1.264527388953115e+01,    /* 1055 */
+    1.265258019609203e+01,    /* 1056 */
+    1.265989072416018e+01,    /* 1057 */
+    1.266720547617473e+01,    /* 1058 */
+    1.267452445457624e+01,    /* 1059 */
+    1.268184766180666e+01,    /* 1060 */
+    1.268917510030938e+01,    /* 1061 */
+    1.269650677252918e+01,    /* 1062 */
+    1.270384268091225e+01,    /* 1063 */
+    1.271118282790620e+01,    /* 1064 */
+    1.271852721596007e+01,    /* 1065 */
+    1.272587584752428e+01,    /* 1066 */
+    1.273322872505070e+01,    /* 1067 */
+    1.274058585099260e+01,    /* 1068 */
+    1.274794722780466e+01,    /* 1069 */
+    1.275531285794301e+01,    /* 1070 */
+    1.276268274386515e+01,    /* 1071 */
+    1.277005688803004e+01,    /* 1072 */
+    1.277743529289805e+01,    /* 1073 */
+    1.278481796093098e+01,    /* 1074 */
+    1.279220489459201e+01,    /* 1075 */
+    1.279959609634581e+01,    /* 1076 */
+    1.280699156865842e+01,    /* 1077 */
+    1.281439131399733e+01,    /* 1078 */
+    1.282179533483144e+01,    /* 1079 */
+    1.282920363363110e+01,    /* 1080 */
+    1.283661621286807e+01,    /* 1081 */
+    1.284403307501554e+01,    /* 1082 */
+    1.285145422254812e+01,    /* 1083 */
+    1.285887965794188e+01,    /* 1084 */
+    1.286630938367429e+01,    /* 1085 */
+    1.287374340222427e+01,    /* 1086 */
+    1.288118171607215e+01,    /* 1087 */
+    1.288862432769973e+01,    /* 1088 */
+    1.289607123959020e+01,    /* 1089 */
+    1.290352245422822e+01,    /* 1090 */
+    1.291097797409987e+01,    /* 1091 */
+    1.291843780169266e+01,    /* 1092 */
+    1.292590193949556e+01,    /* 1093 */
+    1.293337038999896e+01,    /* 1094 */
+    1.294084315569469e+01,    /* 1095 */
+    1.294832023907602e+01,    /* 1096 */
+    1.295580164263767e+01,    /* 1097 */
+    1.296328736887579e+01,    /* 1098 */
+    1.297077742028798e+01,    /* 1099 */
+    1.297827179937329e+01,    /* 1100 */
+    1.298577050863218e+01,    /* 1101 */
+    1.299327355056660e+01,    /* 1102 */
+    1.300078092767991e+01,    /* 1103 */
+    1.300829264247694e+01,    /* 1104 */
+    1.301580869746396e+01,    /* 1105 */
+    1.302332909514868e+01,    /* 1106 */
+    1.303085383804027e+01,    /* 1107 */
+    1.303838292864934e+01,    /* 1108 */
+    1.304591636948796e+01,    /* 1109 */
+    1.305345416306964e+01,    /* 1110 */
+    1.306099631190936e+01,    /* 1111 */
+    1.306854281852353e+01,    /* 1112 */
+    1.307609368543003e+01,    /* 1113 */
+    1.308364891514820e+01,    /* 1114 */
+    1.309120851019883e+01,    /* 1115 */
+    1.309877247310414e+01,    /* 1116 */
+    1.310634080638785e+01,    /* 1117 */
+    1.311391351257511e+01,    /* 1118 */
+    1.312149059419255e+01,    /* 1119 */
+    1.312907205376823e+01,    /* 1120 */
+    1.313665789383170e+01,    /* 1121 */
+    1.314424811691396e+01,    /* 1122 */
+    1.315184272554746e+01,    /* 1123 */
+    1.315944172226614e+01,    /* 1124 */
+    1.316704510960539e+01,    /* 1125 */
+    1.317465289010205e+01,    /* 1126 */
+    1.318226506629446e+01,    /* 1127 */
+    1.318988164072239e+01,    /* 1128 */
+    1.319750261592710e+01,    /* 1129 */
+    1.320512799445131e+01,    /* 1130 */
+    1.321275777883922e+01,    /* 1131 */
+    1.322039197163648e+01,    /* 1132 */
+    1.322803057539023e+01,    /* 1133 */
+    1.323567359264908e+01,    /* 1134 */
+    1.324332102596310e+01,    /* 1135 */
+    1.325097287788384e+01,    /* 1136 */
+    1.325862915096432e+01,    /* 1137 */
+    1.326628984775905e+01,    /* 1138 */
+    1.327395497082400e+01,    /* 1139 */
+    1.328162452271663e+01,    /* 1140 */
+    1.328929850599585e+01,    /* 1141 */
+    1.329697692322209e+01,    /* 1142 */
+    1.330465977695723e+01,    /* 1143 */
+    1.331234706976464e+01,    /* 1144 */
+    1.332003880420917e+01,    /* 1145 */
+    1.332773498285714e+01,    /* 1146 */
+    1.333543560827638e+01,    /* 1147 */
+    1.334314068303618e+01,    /* 1148 */
+    1.335085020970733e+01,    /* 1149 */
+    1.335856419086208e+01,    /* 1150 */
+    1.336628262907420e+01,    /* 1151 */
+    1.337400552691893e+01,    /* 1152 */
+    1.338173288697299e+01,    /* 1153 */
+    1.338946471181460e+01,    /* 1154 */
+    1.339720100402347e+01,    /* 1155 */
+    1.340494176618080e+01,    /* 1156 */
+    1.341268700086928e+01,    /* 1157 */
+    1.342043671067309e+01,    /* 1158 */
+    1.342819089817790e+01,    /* 1159 */
+    1.343594956597088e+01,    /* 1160 */
+    1.344371271664070e+01,    /* 1161 */
+    1.345148035277751e+01,    /* 1162 */
+    1.345925247697298e+01,    /* 1163 */
+    1.346702909182024e+01,    /* 1164 */
+    1.347481019991397e+01,    /* 1165 */
+    1.348259580385030e+01,    /* 1166 */
+    1.349038590622688e+01,    /* 1167 */
+    1.349818050964288e+01,    /* 1168 */
+    1.350597961669893e+01,    /* 1169 */
+    1.351378322999720e+01,    /* 1170 */
+    1.352159135214135e+01,    /* 1171 */
+    1.352940398573654e+01,    /* 1172 */
+    1.353722113338944e+01,    /* 1173 */
+    1.354504279770823e+01,    /* 1174 */
+    1.355286898130258e+01,    /* 1175 */
+    1.356069968678369e+01,    /* 1176 */
+    1.356853491676425e+01,    /* 1177 */
+    1.357637467385848e+01,    /* 1178 */
+    1.358421896068210e+01,    /* 1179 */
+    1.359206777985232e+01,    /* 1180 */
+    1.359992113398790e+01,    /* 1181 */
+    1.360777902570909e+01,    /* 1182 */
+    1.361564145763767e+01,    /* 1183 */
+    1.362350843239690e+01,    /* 1184 */
+    1.363137995261160e+01,    /* 1185 */
+    1.363925602090809e+01,    /* 1186 */
+    1.364713663991418e+01,    /* 1187 */
+    1.365502181225924e+01,    /* 1188 */
+    1.366291154057414e+01,    /* 1189 */
+    1.367080582749128e+01,    /* 1190 */
+    1.367870467564455e+01,    /* 1191 */
+    1.368660808766940e+01,    /* 1192 */
+    1.369451606620278e+01,    /* 1193 */
+    1.370242861388318e+01,    /* 1194 */
+    1.371034573335060e+01,    /* 1195 */
+    1.371826742724657e+01,    /* 1196 */
+    1.372619369821415e+01,    /* 1197 */
+    1.373412454889792e+01,    /* 1198 */
+    1.374205998194399e+01,    /* 1199 */
+};
+
+static const fluid_real_t fluid_cb2amp_tab[1441] = {
+    1.000000000000000e+00,    /* 0 */
+    9.885530946569389e-01,    /* 1 */
+    9.772372209558107e-01,    /* 2 */
+    9.660508789898133e-01,    /* 3 */
+    9.549925860214360e-01,    /* 4 */
+    9.440608762859234e-01,    /* 5 */
+    9.332543007969910e-01,    /* 6 */
+    9.225714271547631e-01,    /* 7 */
+    9.120108393559098e-01,    /* 8 */
+    9.015711376059569e-01,    /* 9 */
+    8.912509381337456e-01,    /* 10 */
+    8.810488730080140e-01,    /* 11 */
+    8.709635899560806e-01,    /* 12 */
+    8.609937521846006e-01,    /* 13 */
+    8.511380382023764e-01,    /* 14 */
+    8.413951416451951e-01,    /* 15 */
+    8.317637711026710e-01,    /* 16 */
+    8.222426499470712e-01,    /* 17 */
+    8.128305161640993e-01,    /* 18 */
+    8.035261221856173e-01,    /* 19 */
+    7.943282347242815e-01,    /* 20 */
+    7.852356346100717e-01,    /* 21 */
+    7.762471166286917e-01,    /* 22 */
+    7.673614893618189e-01,    /* 23 */
+    7.585775750291838e-01,    /* 24 */
+    7.498942093324559e-01,    /* 25 */
+    7.413102413009175e-01,    /* 26 */
+    7.328245331389041e-01,    /* 27 */
+    7.244359600749901e-01,    /* 28 */
+    7.161434102129021e-01,    /* 29 */
+    7.079457843841379e-01,    /* 30 */
+    6.998419960022735e-01,    /* 31 */
+    6.918309709189365e-01,    /* 32 */
+    6.839116472814293e-01,    /* 33 */
+    6.760829753919818e-01,    /* 34 */
+    6.683439175686146e-01,    /* 35 */
+    6.606934480075960e-01,    /* 36 */
+    6.531305526474723e-01,    /* 37 */
+    6.456542290346555e-01,    /* 38 */
+    6.382634861905487e-01,    /* 39 */
+    6.309573444801932e-01,    /* 40 */
+    6.237348354824193e-01,    /* 41 */
+    6.165950018614822e-01,    /* 42 */
+    6.095368972401691e-01,    /* 43 */
+    6.025595860743578e-01,    /* 44 */
+    5.956621435290105e-01,    /* 45 */
+    5.888436553555889e-01,    /* 46 */
+    5.821032177708714e-01,    /* 47 */
+    5.754399373371569e-01,    /* 48 */
+    5.688529308438415e-01,    /* 49 */
+    5.623413251903491e-01,    /* 50 */
+    5.559042572704036e-01,    /* 51 */
+    5.495408738576245e-01,    /* 52 */
+    5.432503314924332e-01,    /* 53 */
+    5.370317963702528e-01,    /* 54 */
+    5.308844442309884e-01,    /* 55 */
+    5.248074602497727e-01,    /* 56 */
+    5.188000389289611e-01,    /* 57 */
+    5.128613839913648e-01,    /* 58 */
+    5.069907082747044e-01,    /* 59 */
+    5.011872336272722e-01,    /* 60 */
+    4.954501908047902e-01,    /* 61 */
+    4.897788193684462e-01,    /* 62 */
+    4.841723675840993e-01,    /* 63 */
+    4.786300923226384e-01,    /* 64 */
+    4.731512589614805e-01,    /* 65 */
+    4.677351412871982e-01,    /* 66 */
+    4.623810213992603e-01,    /* 67 */
+    4.570881896148750e-01,    /* 68 */
+    4.518559443749224e-01,    /* 69 */
+    4.466835921509631e-01,    /* 70 */
+    4.415704473533125e-01,    /* 71 */
+    4.365158322401660e-01,    /* 72 */
+    4.315190768277652e-01,    /* 73 */
+    4.265795188015927e-01,    /* 74 */
+    4.216965034285822e-01,    /* 75 */
+    4.168693834703354e-01,    /* 76 */
+    4.120975190973302e-01,    /* 77 */
+    4.073802778041127e-01,    /* 78 */
+    4.027170343254591e-01,    /* 79 */
+    3.981071705534973e-01,    /* 80 */
+    3.935500754557775e-01,    /* 81 */
+    3.890451449942806e-01,    /* 82 */
+    3.845917820453535e-01,    /* 83 */
+    3.801893963205612e-01,    /* 84 */
+    3.758374042884441e-01,    /* 85 */
+    3.715352290971725e-01,    /* 86 */
+    3.672823004980846e-01,    /* 87 */
+    3.630780547701014e-01,    /* 88 */
+    3.589219346450052e-01,    /* 89 */
+    3.548133892335755e-01,    /* 90 */
+    3.507518739525680e-01,    /* 91 */
+    3.467368504525317e-01,    /* 92 */
+    3.427677865464503e-01,    /* 93 */
+    3.388441561392025e-01,    /* 94 */
+    3.349654391578277e-01,    /* 95 */
+    3.311311214825911e-01,    /* 96 */
+    3.273406948788382e-01,    /* 97 */
+    3.235936569296283e-01,    /* 98 */
+    3.198895109691398e-01,    /* 99 */
+    3.162277660168379e-01,    /* 100 */
+    3.126079367123955e-01,    /* 101 */
+    3.090295432513591e-01,    /* 102 */
+    3.054921113215513e-01,    /* 103 */
+    3.019951720402016e-01,    /* 104 */
+    2.985382618917959e-01,    /* 105 */
+    2.951209226666386e-01,    /* 106 */
+    2.917427014001167e-01,    /* 107 */
+    2.884031503126606e-01,    /* 108 */
+    2.851018267503909e-01,    /* 109 */
+    2.818382931264454e-01,    /* 110 */
+    2.786121168629770e-01,    /* 111 */
+    2.754228703338166e-01,    /* 112 */
+    2.722701308077912e-01,    /* 113 */
+    2.691534803926915e-01,    /* 114 */
+    2.660725059798810e-01,    /* 115 */
+    2.630267991895382e-01,    /* 116 */
+    2.600159563165272e-01,    /* 117 */
+    2.570395782768864e-01,    /* 118 */
+    2.540972705549305e-01,    /* 119 */
+    2.511886431509580e-01,    /* 120 */
+    2.483133105295570e-01,    /* 121 */
+    2.454708915685030e-01,    /* 122 */
+    2.426610095082415e-01,    /* 123 */
+    2.398832919019490e-01,    /* 124 */
+    2.371373705661655e-01,    /* 125 */
+    2.344228815319922e-01,    /* 126 */
+    2.317394649968479e-01,    /* 127 */
+    2.290867652767773e-01,    /* 128 */
+    2.264644307593060e-01,    /* 129 */
+    2.238721138568339e-01,    /* 130 */
+    2.213094709605638e-01,    /* 131 */
+    2.187761623949553e-01,    /* 132 */
+    2.162718523727020e-01,    /* 133 */
+    2.137962089502232e-01,    /* 134 */
+    2.113489039836647e-01,    /* 135 */
+    2.089296130854039e-01,    /* 136 */
+    2.065380155810529e-01,    /* 137 */
+    2.041737944669529e-01,    /* 138 */
+    2.018366363681561e-01,    /* 139 */
+    1.995262314968880e-01,    /* 140 */
+    1.972422736114854e-01,    /* 141 */
+    1.949844599758045e-01,    /* 142 */
+    1.927524913190936e-01,    /* 143 */
+    1.905460717963247e-01,    /* 144 */
+    1.883649089489801e-01,    /* 145 */
+    1.862087136662867e-01,    /* 146 */
+    1.840772001468956e-01,    /* 147 */
+    1.819700858609983e-01,    /* 148 */
+    1.798870915128788e-01,    /* 149 */
+    1.778279410038923e-01,    /* 150 */
+    1.757923613958693e-01,    /* 151 */
+    1.737800828749375e-01,    /* 152 */
+    1.717908387157588e-01,    /* 153 */
+    1.698243652461744e-01,    /* 154 */
+    1.678804018122560e-01,    /* 155 */
+    1.659586907437561e-01,    /* 156 */
+    1.640589773199539e-01,    /* 157 */
+    1.621810097358930e-01,    /* 158 */
+    1.603245390690042e-01,    /* 159 */
+    1.584893192461113e-01,    /* 160 */
+    1.566751070108149e-01,    /* 161 */
+    1.548816618912481e-01,    /* 162 */
+    1.531087461682030e-01,    /* 163 */
+    1.513561248436208e-01,    /* 164 */
+    1.496235656094433e-01,    /* 165 */
+    1.479108388168207e-01,    /* 166 */
+    1.462177174456718e-01,    /* 167 */
+    1.445439770745927e-01,    /* 168 */
+    1.428893958511103e-01,    /* 169 */
+    1.412537544622754e-01,    /* 170 */
+    1.396368361055938e-01,    /* 171 */
+    1.380384264602885e-01,    /* 172 */
+    1.364583136588925e-01,    /* 173 */
+    1.348962882591654e-01,    /* 174 */
+    1.333521432163324e-01,    /* 175 */
+    1.318256738556407e-01,    /* 176 */
+    1.303166778452299e-01,    /* 177 */
+    1.288249551693134e-01,    /* 178 */
+    1.273503081016662e-01,    /* 179 */
+    1.258925411794167e-01,    /* 180 */
+    1.244514611771385e-01,    /* 181 */
+    1.230268770812381e-01,    /* 182 */
+    1.216186000646368e-01,    /* 183 */
+    1.202264434617413e-01,    /* 184 */
+    1.188502227437018e-01,    /* 185 */
+    1.174897554939529e-01,    /* 186 */
+    1.161448613840343e-01,    /* 187 */
+    1.148153621496883e-01,    /* 188 */
+    1.135010815672315e-01,    /* 189 */
+    1.122018454301963e-01,    /* 190 */
+    1.109174815262401e-01,    /* 191 */
+    1.096478196143185e-01,    /* 192 */
+    1.083926914021204e-01,    /* 193 */
+    1.071519305237606e-01,    /* 194 */
+    1.059253725177289e-01,    /* 195 */
+    1.047128548050899e-01,    /* 196 */
+    1.035142166679344e-01,    /* 197 */
+    1.023292992280754e-01,    /* 198 */
+    1.011579454259899e-01,    /* 199 */
+    1.000000000000000e-01,    /* 200 */
+    9.885530946569389e-02,    /* 201 */
+    9.772372209558107e-02,    /* 202 */
+    9.660508789898134e-02,    /* 203 */
+    9.549925860214359e-02,    /* 204 */
+    9.440608762859234e-02,    /* 205 */
+    9.332543007969911e-02,    /* 206 */
+    9.225714271547632e-02,    /* 207 */
+    9.120108393559097e-02,    /* 208 */
+    9.015711376059569e-02,    /* 209 */
+    8.912509381337455e-02,    /* 210 */
+    8.810488730080140e-02,    /* 211 */
+    8.709635899560807e-02,    /* 212 */
+    8.609937521846006e-02,    /* 213 */
+    8.511380382023764e-02,    /* 214 */
+    8.413951416451951e-02,    /* 215 */
+    8.317637711026710e-02,    /* 216 */
+    8.222426499470711e-02,    /* 217 */
+    8.128305161640992e-02,    /* 218 */
+    8.035261221856173e-02,    /* 219 */
+    7.943282347242815e-02,    /* 220 */
+    7.852356346100718e-02,    /* 221 */
+    7.762471166286918e-02,    /* 222 */
+    7.673614893618190e-02,    /* 223 */
+    7.585775750291837e-02,    /* 224 */
+    7.498942093324558e-02,    /* 225 */
+    7.413102413009175e-02,    /* 226 */
+    7.328245331389041e-02,    /* 227 */
+    7.244359600749900e-02,    /* 228 */
+    7.161434102129020e-02,    /* 229 */
+    7.079457843841379e-02,    /* 230 */
+    6.998419960022735e-02,    /* 231 */
+    6.918309709189364e-02,    /* 232 */
+    6.839116472814294e-02,    /* 233 */
+    6.760829753919818e-02,    /* 234 */
+    6.683439175686146e-02,    /* 235 */
+    6.606934480075960e-02,    /* 236 */
+    6.531305526474723e-02,    /* 237 */
+    6.456542290346555e-02,    /* 238 */
+    6.382634861905487e-02,    /* 239 */
+    6.309573444801933e-02,    /* 240 */
+    6.237348354824192e-02,    /* 241 */
+    6.165950018614821e-02,    /* 242 */
+    6.095368972401691e-02,    /* 243 */
+    6.025595860743577e-02,    /* 244 */
+    5.956621435290105e-02,    /* 245 */
+    5.888436553555890e-02,    /* 246 */
+    5.821032177708714e-02,    /* 247 */
+    5.754399373371569e-02,    /* 248 */
+    5.688529308438414e-02,    /* 249 */
+    5.623413251903491e-02,    /* 250 */
+    5.559042572704036e-02,    /* 251 */
+    5.495408738576246e-02,    /* 252 */
+    5.432503314924332e-02,    /* 253 */
+    5.370317963702528e-02,    /* 254 */
+    5.308844442309883e-02,    /* 255 */
+    5.248074602497726e-02,    /* 256 */
+    5.188000389289611e-02,    /* 257 */
+    5.128613839913648e-02,    /* 258 */
+    5.069907082747044e-02,    /* 259 */
+    5.011872336272723e-02,    /* 260 */
+    4.954501908047902e-02,    /* 261 */
+    4.897788193684462e-02,    /* 262 */
+    4.841723675840993e-02,    /* 263 */
+    4.786300923226383e-02,    /* 264 */
+    4.731512589614805e-02,    /* 265 */
+    4.677351412871982e-02,    /* 266 */
+    4.623810213992603e-02,    /* 267 */
+    4.570881896148751e-02,    /* 268 */
+    4.518559443749224e-02,    /* 269 */
+    4.466835921509631e-02,    /* 270 */
+    4.415704473533125e-02,    /* 271 */
+    4.365158322401660e-02,    /* 272 */
+    4.315190768277652e-02,    /* 273 */
+    4.265795188015926e-02,    /* 274 */
+    4.216965034285822e-02,    /* 275 */
+    4.168693834703354e-02,    /* 276 */
+    4.120975190973302e-02,    /* 277 */
+    4.073802778041127e-02,    /* 278 */
+    4.027170343254591e-02,    /* 279 */
+    3.981071705534973e-02,    /* 280 */
+    3.935500754557775e-02,    /* 281 */
+    3.890451449942806e-02,    /* 282 */
+    3.845917820453536e-02,    /* 283 */
+    3.801893963205612e-02,    /* 284 */
+    3.758374042884442e-02,    /* 285 */
+    3.715352290971725e-02,    /* 286 */
+    3.672823004980846e-02,    /* 287 */
+    3.630780547701013e-02,    /* 288 */
+    3.589219346450052e-02,    /* 289 */
+    3.548133892335754e-02,    /* 290 */
+    3.507518739525680e-02,    /* 291 */
+    3.467368504525317e-02,    /* 292 */
+    3.427677865464503e-02,    /* 293 */
+    3.388441561392026e-02,    /* 294 */
+    3.349654391578277e-02,    /* 295 */
+    3.311311214825911e-02,    /* 296 */
+    3.273406948788382e-02,    /* 297 */
+    3.235936569296283e-02,    /* 298 */
+    3.198895109691398e-02,    /* 299 */
+    3.162277660168379e-02,    /* 300 */
+    3.126079367123955e-02,    /* 301 */
+    3.090295432513590e-02,    /* 302 */
+    3.054921113215513e-02,    /* 303 */
+    3.019951720402016e-02,    /* 304 */
+    2.985382618917960e-02,    /* 305 */
+    2.951209226666386e-02,    /* 306 */
+    2.917427014001167e-02,    /* 307 */
+    2.884031503126606e-02,    /* 308 */
+    2.851018267503909e-02,    /* 309 */
+    2.818382931264454e-02,    /* 310 */
+    2.786121168629770e-02,    /* 311 */
+    2.754228703338166e-02,    /* 312 */
+    2.722701308077912e-02,    /* 313 */
+    2.691534803926916e-02,    /* 314 */
+    2.660725059798810e-02,    /* 315 */
+    2.630267991895382e-02,    /* 316 */
+    2.600159563165272e-02,    /* 317 */
+    2.570395782768864e-02,    /* 318 */
+    2.540972705549305e-02,    /* 319 */
+    2.511886431509580e-02,    /* 320 */
+    2.483133105295570e-02,    /* 321 */
+    2.454708915685030e-02,    /* 322 */
+    2.426610095082415e-02,    /* 323 */
+    2.398832919019490e-02,    /* 324 */
+    2.371373705661655e-02,    /* 325 */
+    2.344228815319922e-02,    /* 326 */
+    2.317394649968479e-02,    /* 327 */
+    2.290867652767773e-02,    /* 328 */
+    2.264644307593060e-02,    /* 329 */
+    2.238721138568340e-02,    /* 330 */
+    2.213094709605638e-02,    /* 331 */
+    2.187761623949553e-02,    /* 332 */
+    2.162718523727020e-02,    /* 333 */
+    2.137962089502232e-02,    /* 334 */
+    2.113489039836647e-02,    /* 335 */
+    2.089296130854040e-02,    /* 336 */
+    2.065380155810529e-02,    /* 337 */
+    2.041737944669529e-02,    /* 338 */
+    2.018366363681561e-02,    /* 339 */
+    1.995262314968880e-02,    /* 340 */
+    1.972422736114854e-02,    /* 341 */
+    1.949844599758045e-02,    /* 342 */
+    1.927524913190936e-02,    /* 343 */
+    1.905460717963247e-02,    /* 344 */
+    1.883649089489800e-02,    /* 345 */
+    1.862087136662868e-02,    /* 346 */
+    1.840772001468956e-02,    /* 347 */
+    1.819700858609984e-02,    /* 348 */
+    1.798870915128788e-02,    /* 349 */
+    1.778279410038923e-02,    /* 350 */
+    1.757923613958693e-02,    /* 351 */
+    1.737800828749375e-02,    /* 352 */
+    1.717908387157588e-02,    /* 353 */
+    1.698243652461744e-02,    /* 354 */
+    1.678804018122560e-02,    /* 355 */
+    1.659586907437561e-02,    /* 356 */
+    1.640589773199539e-02,    /* 357 */
+    1.621810097358930e-02,    /* 358 */
+    1.603245390690041e-02,    /* 359 */
+    1.584893192461113e-02,    /* 360 */
+    1.566751070108149e-02,    /* 361 */
+    1.548816618912481e-02,    /* 362 */
+    1.531087461682030e-02,    /* 363 */
+    1.513561248436208e-02,    /* 364 */
+    1.496235656094433e-02,    /* 365 */
+    1.479108388168207e-02,    /* 366 */
+    1.462177174456718e-02,    /* 367 */
+    1.445439770745928e-02,    /* 368 */
+    1.428893958511103e-02,    /* 369 */
+    1.412537544622754e-02,    /* 370 */
+    1.396368361055938e-02,    /* 371 */
+    1.380384264602885e-02,    /* 372 */
+    1.364583136588924e-02,    /* 373 */
+    1.348962882591654e-02,    /* 374 */
+    1.333521432163324e-02,    /* 375 */
+    1.318256738556407e-02,    /* 376 */
+    1.303166778452299e-02,    /* 377 */
+    1.288249551693134e-02,    /* 378 */
+    1.273503081016662e-02,    /* 379 */
+    1.258925411794167e-02,    /* 380 */
+    1.244514611771385e-02,    /* 381 */
+    1.230268770812382e-02,    /* 382 */
+    1.216186000646368e-02,    /* 383 */
+    1.202264434617413e-02,    /* 384 */
+    1.188502227437018e-02,    /* 385 */
+    1.174897554939529e-02,    /* 386 */
+    1.161448613840343e-02,    /* 387 */
+    1.148153621496883e-02,    /* 388 */
+    1.135010815672315e-02,    /* 389 */
+    1.122018454301963e-02,    /* 390 */
+    1.109174815262401e-02,    /* 391 */
+    1.096478196143185e-02,    /* 392 */
+    1.083926914021204e-02,    /* 393 */
+    1.071519305237606e-02,    /* 394 */
+    1.059253725177289e-02,    /* 395 */
+    1.047128548050900e-02,    /* 396 */
+    1.035142166679344e-02,    /* 397 */
+    1.023292992280754e-02,    /* 398 */
+    1.011579454259899e-02,    /* 399 */
+    1.000000000000000e-02,    /* 400 */
+    9.885530946569389e-03,    /* 401 */
+    9.772372209558107e-03,    /* 402 */
+    9.660508789898133e-03,    /* 403 */
+    9.549925860214359e-03,    /* 404 */
+    9.440608762859234e-03,    /* 405 */
+    9.332543007969910e-03,    /* 406 */
+    9.225714271547631e-03,    /* 407 */
+    9.120108393559097e-03,    /* 408 */
+    9.015711376059568e-03,    /* 409 */
+    8.912509381337455e-03,    /* 410 */
+    8.810488730080140e-03,    /* 411 */
+    8.709635899560806e-03,    /* 412 */
+    8.609937521846007e-03,    /* 413 */
+    8.511380382023764e-03,    /* 414 */
+    8.413951416451950e-03,    /* 415 */
+    8.317637711026711e-03,    /* 416 */
+    8.222426499470711e-03,    /* 417 */
+    8.128305161640993e-03,    /* 418 */
+    8.035261221856172e-03,    /* 419 */
+    7.943282347242816e-03,    /* 420 */
+    7.852356346100717e-03,    /* 421 */
+    7.762471166286917e-03,    /* 422 */
+    7.673614893618189e-03,    /* 423 */
+    7.585775750291838e-03,    /* 424 */
+    7.498942093324558e-03,    /* 425 */
+    7.413102413009175e-03,    /* 426 */
+    7.328245331389041e-03,    /* 427 */
+    7.244359600749901e-03,    /* 428 */
+    7.161434102129020e-03,    /* 429 */
+    7.079457843841380e-03,    /* 430 */
+    6.998419960022735e-03,    /* 431 */
+    6.918309709189364e-03,    /* 432 */
+    6.839116472814293e-03,    /* 433 */
+    6.760829753919818e-03,    /* 434 */
+    6.683439175686146e-03,    /* 435 */
+    6.606934480075960e-03,    /* 436 */
+    6.531305526474723e-03,    /* 437 */
+    6.456542290346555e-03,    /* 438 */
+    6.382634861905487e-03,    /* 439 */
+    6.309573444801933e-03,    /* 440 */
+    6.237348354824193e-03,    /* 441 */
+    6.165950018614821e-03,    /* 442 */
+    6.095368972401692e-03,    /* 443 */
+    6.025595860743578e-03,    /* 444 */
+    5.956621435290105e-03,    /* 445 */
+    5.888436553555890e-03,    /* 446 */
+    5.821032177708714e-03,    /* 447 */
+    5.754399373371569e-03,    /* 448 */
+    5.688529308438415e-03,    /* 449 */
+    5.623413251903491e-03,    /* 450 */
+    5.559042572704035e-03,    /* 451 */
+    5.495408738576246e-03,    /* 452 */
+    5.432503314924332e-03,    /* 453 */
+    5.370317963702527e-03,    /* 454 */
+    5.308844442309883e-03,    /* 455 */
+    5.248074602497726e-03,    /* 456 */
+    5.188000389289611e-03,    /* 457 */
+    5.128613839913649e-03,    /* 458 */
+    5.069907082747044e-03,    /* 459 */
+    5.011872336272723e-03,    /* 460 */
+    4.954501908047903e-03,    /* 461 */
+    4.897788193684462e-03,    /* 462 */
+    4.841723675840993e-03,    /* 463 */
+    4.786300923226384e-03,    /* 464 */
+    4.731512589614805e-03,    /* 465 */
+    4.677351412871982e-03,    /* 466 */
+    4.623810213992603e-03,    /* 467 */
+    4.570881896148750e-03,    /* 468 */
+    4.518559443749223e-03,    /* 469 */
+    4.466835921509631e-03,    /* 470 */
+    4.415704473533125e-03,    /* 471 */
+    4.365158322401659e-03,    /* 472 */
+    4.315190768277652e-03,    /* 473 */
+    4.265795188015927e-03,    /* 474 */
+    4.216965034285823e-03,    /* 475 */
+    4.168693834703354e-03,    /* 476 */
+    4.120975190973302e-03,    /* 477 */
+    4.073802778041128e-03,    /* 478 */
+    4.027170343254591e-03,    /* 479 */
+    3.981071705534973e-03,    /* 480 */
+    3.935500754557775e-03,    /* 481 */
+    3.890451449942806e-03,    /* 482 */
+    3.845917820453536e-03,    /* 483 */
+    3.801893963205612e-03,    /* 484 */
+    3.758374042884442e-03,    /* 485 */
+    3.715352290971725e-03,    /* 486 */
+    3.672823004980846e-03,    /* 487 */
+    3.630780547701014e-03,    /* 488 */
+    3.589219346450052e-03,    /* 489 */
+    3.548133892335755e-03,    /* 490 */
+    3.507518739525680e-03,    /* 491 */
+    3.467368504525316e-03,    /* 492 */
+    3.427677865464504e-03,    /* 493 */
+    3.388441561392026e-03,    /* 494 */
+    3.349654391578276e-03,    /* 495 */
+    3.311311214825911e-03,    /* 496 */
+    3.273406948788382e-03,    /* 497 */
+    3.235936569296282e-03,    /* 498 */
+    3.198895109691398e-03,    /* 499 */
+    3.162277660168379e-03,    /* 500 */
+    3.126079367123955e-03,    /* 501 */
+    3.090295432513590e-03,    /* 502 */
+    3.054921113215513e-03,    /* 503 */
+    3.019951720402016e-03,    /* 504 */
+    2.985382618917960e-03,    /* 505 */
+    2.951209226666386e-03,    /* 506 */
+    2.917427014001167e-03,    /* 507 */
+    2.884031503126606e-03,    /* 508 */
+    2.851018267503909e-03,    /* 509 */
+    2.818382931264454e-03,    /* 510 */
+    2.786121168629770e-03,    /* 511 */
+    2.754228703338166e-03,    /* 512 */
+    2.722701308077912e-03,    /* 513 */
+    2.691534803926916e-03,    /* 514 */
+    2.660725059798810e-03,    /* 515 */
+    2.630267991895382e-03,    /* 516 */
+    2.600159563165272e-03,    /* 517 */
+    2.570395782768864e-03,    /* 518 */
+    2.540972705549305e-03,    /* 519 */
+    2.511886431509580e-03,    /* 520 */
+    2.483133105295570e-03,    /* 521 */
+    2.454708915685030e-03,    /* 522 */
+    2.426610095082416e-03,    /* 523 */
+    2.398832919019490e-03,    /* 524 */
+    2.371373705661655e-03,    /* 525 */
+    2.344228815319922e-03,    /* 526 */
+    2.317394649968479e-03,    /* 527 */
+    2.290867652767773e-03,    /* 528 */
+    2.264644307593060e-03,    /* 529 */
+    2.238721138568339e-03,    /* 530 */
+    2.213094709605638e-03,    /* 531 */
+    2.187761623949552e-03,    /* 532 */
+    2.162718523727020e-03,    /* 533 */
+    2.137962089502232e-03,    /* 534 */
+    2.113489039836647e-03,    /* 535 */
+    2.089296130854039e-03,    /* 536 */
+    2.065380155810529e-03,    /* 537 */
+    2.041737944669529e-03,    /* 538 */
+    2.018366363681561e-03,    /* 539 */
+    1.995262314968880e-03,    /* 540 */
+    1.972422736114854e-03,    /* 541 */
+    1.949844599758045e-03,    /* 542 */
+    1.927524913190936e-03,    /* 543 */
+    1.905460717963247e-03,    /* 544 */
+    1.883649089489801e-03,    /* 545 */
+    1.862087136662868e-03,    /* 546 */
+    1.840772001468956e-03,    /* 547 */
+    1.819700858609984e-03,    /* 548 */
+    1.798870915128788e-03,    /* 549 */
+    1.778279410038923e-03,    /* 550 */
+    1.757923613958693e-03,    /* 551 */
+    1.737800828749375e-03,    /* 552 */
+    1.717908387157588e-03,    /* 553 */
+    1.698243652461744e-03,    /* 554 */
+    1.678804018122560e-03,    /* 555 */
+    1.659586907437561e-03,    /* 556 */
+    1.640589773199539e-03,    /* 557 */
+    1.621810097358930e-03,    /* 558 */
+    1.603245390690041e-03,    /* 559 */
+    1.584893192461113e-03,    /* 560 */
+    1.566751070108149e-03,    /* 561 */
+    1.548816618912481e-03,    /* 562 */
+    1.531087461682030e-03,    /* 563 */
+    1.513561248436208e-03,    /* 564 */
+    1.496235656094433e-03,    /* 565 */
+    1.479108388168207e-03,    /* 566 */
+    1.462177174456718e-03,    /* 567 */
+    1.445439770745928e-03,    /* 568 */
+    1.428893958511103e-03,    /* 569 */
+    1.412537544622754e-03,    /* 570 */
+    1.396368361055938e-03,    /* 571 */
+    1.380384264602885e-03,    /* 572 */
+    1.364583136588925e-03,    /* 573 */
+    1.348962882591654e-03,    /* 574 */
+    1.333521432163324e-03,    /* 575 */
+    1.318256738556407e-03,    /* 576 */
+    1.303166778452299e-03,    /* 577 */
+    1.288249551693134e-03,    /* 578 */
+    1.273503081016662e-03,    /* 579 */
+    1.258925411794167e-03,    /* 580 */
+    1.244514611771385e-03,    /* 581 */
+    1.230268770812381e-03,    /* 582 */
+    1.216186000646368e-03,    /* 583 */
+    1.202264434617413e-03,    /* 584 */
+    1.188502227437018e-03,    /* 585 */
+    1.174897554939529e-03,    /* 586 */
+    1.161448613840343e-03,    /* 587 */
+    1.148153621496883e-03,    /* 588 */
+    1.135010815672315e-03,    /* 589 */
+    1.122018454301963e-03,    /* 590 */
+    1.109174815262401e-03,    /* 591 */
+    1.096478196143185e-03,    /* 592 */
+    1.083926914021204e-03,    /* 593 */
+    1.071519305237606e-03,    /* 594 */
+    1.059253725177289e-03,    /* 595 */
+    1.047128548050900e-03,    /* 596 */
+    1.035142166679344e-03,    /* 597 */
+    1.023292992280754e-03,    /* 598 */
+    1.011579454259898e-03,    /* 599 */
+    1.000000000000000e-03,    /* 600 */
+    9.885530946569388e-04,    /* 601 */
+    9.772372209558107e-04,    /* 602 */
+    9.660508789898134e-04,    /* 603 */
+    9.549925860214359e-04,    /* 604 */
+    9.440608762859234e-04,    /* 605 */
+    9.332543007969911e-04,    /* 606 */
+    9.225714271547631e-04,    /* 607 */
+    9.120108393559097e-04,    /* 608 */
+    9.015711376059569e-04,    /* 609 */
+    8.912509381337455e-04,    /* 610 */
+    8.810488730080141e-04,    /* 611 */
+    8.709635899560806e-04,    /* 612 */
+    8.609937521846006e-04,    /* 613 */
+    8.511380382023765e-04,    /* 614 */
+    8.413951416451951e-04,    /* 615 */
+    8.317637711026710e-04,    /* 616 */
+    8.222426499470711e-04,    /* 617 */
+    8.128305161640993e-04,    /* 618 */
+    8.035261221856172e-04,    /* 619 */
+    7.943282347242815e-04,    /* 620 */
+    7.852356346100718e-04,    /* 621 */
+    7.762471166286917e-04,    /* 622 */
+    7.673614893618189e-04,    /* 623 */
+    7.585775750291837e-04,    /* 624 */
+    7.498942093324559e-04,    /* 625 */
+    7.413102413009175e-04,    /* 626 */
+    7.328245331389041e-04,    /* 627 */
+    7.244359600749900e-04,    /* 628 */
+    7.161434102129020e-04,    /* 629 */
+    7.079457843841379e-04,    /* 630 */
+    6.998419960022735e-04,    /* 631 */
+    6.918309709189364e-04,    /* 632 */
+    6.839116472814293e-04,    /* 633 */
+    6.760829753919818e-04,    /* 634 */
+    6.683439175686146e-04,    /* 635 */
+    6.606934480075960e-04,    /* 636 */
+    6.531305526474723e-04,    /* 637 */
+    6.456542290346556e-04,    /* 638 */
+    6.382634861905487e-04,    /* 639 */
+    6.309573444801932e-04,    /* 640 */
+    6.237348354824193e-04,    /* 641 */
+    6.165950018614822e-04,    /* 642 */
+    6.095368972401691e-04,    /* 643 */
+    6.025595860743578e-04,    /* 644 */
+    5.956621435290105e-04,    /* 645 */
+    5.888436553555889e-04,    /* 646 */
+    5.821032177708714e-04,    /* 647 */
+    5.754399373371570e-04,    /* 648 */
+    5.688529308438415e-04,    /* 649 */
+    5.623413251903491e-04,    /* 650 */
+    5.559042572704036e-04,    /* 651 */
+    5.495408738576246e-04,    /* 652 */
+    5.432503314924332e-04,    /* 653 */
+    5.370317963702527e-04,    /* 654 */
+    5.308844442309884e-04,    /* 655 */
+    5.248074602497726e-04,    /* 656 */
+    5.188000389289611e-04,    /* 657 */
+    5.128613839913648e-04,    /* 658 */
+    5.069907082747043e-04,    /* 659 */
+    5.011872336272723e-04,    /* 660 */
+    4.954501908047902e-04,    /* 661 */
+    4.897788193684462e-04,    /* 662 */
+    4.841723675840993e-04,    /* 663 */
+    4.786300923226383e-04,    /* 664 */
+    4.731512589614805e-04,    /* 665 */
+    4.677351412871982e-04,    /* 666 */
+    4.623810213992603e-04,    /* 667 */
+    4.570881896148750e-04,    /* 668 */
+    4.518559443749224e-04,    /* 669 */
+    4.466835921509631e-04,    /* 670 */
+    4.415704473533125e-04,    /* 671 */
+    4.365158322401659e-04,    /* 672 */
+    4.315190768277652e-04,    /* 673 */
+    4.265795188015927e-04,    /* 674 */
+    4.216965034285822e-04,    /* 675 */
+    4.168693834703354e-04,    /* 676 */
+    4.120975190973302e-04,    /* 677 */
+    4.073802778041127e-04,    /* 678 */
+    4.027170343254591e-04,    /* 679 */
+    3.981071705534972e-04,    /* 680 */
+    3.935500754557775e-04,    /* 681 */
+    3.890451449942806e-04,    /* 682 */
+    3.845917820453535e-04,    /* 683 */
+    3.801893963205612e-04,    /* 684 */
+    3.758374042884442e-04,    /* 685 */
+    3.715352290971725e-04,    /* 686 */
+    3.672823004980847e-04,    /* 687 */
+    3.630780547701013e-04,    /* 688 */
+    3.589219346450052e-04,    /* 689 */
+    3.548133892335755e-04,    /* 690 */
+    3.507518739525680e-04,    /* 691 */
+    3.467368504525316e-04,    /* 692 */
+    3.427677865464504e-04,    /* 693 */
+    3.388441561392026e-04,    /* 694 */
+    3.349654391578277e-04,    /* 695 */
+    3.311311214825911e-04,    /* 696 */
+    3.273406948788382e-04,    /* 697 */
+    3.235936569296283e-04,    /* 698 */
+    3.198895109691398e-04,    /* 699 */
+    3.162277660168379e-04,    /* 700 */
+    3.126079367123955e-04,    /* 701 */
+    3.090295432513590e-04,    /* 702 */
+    3.054921113215513e-04,    /* 703 */
+    3.019951720402016e-04,    /* 704 */
+    2.985382618917959e-04,    /* 705 */
+    2.951209226666386e-04,    /* 706 */
+    2.917427014001167e-04,    /* 707 */
+    2.884031503126606e-04,    /* 708 */
+    2.851018267503909e-04,    /* 709 */
+    2.818382931264454e-04,    /* 710 */
+    2.786121168629771e-04,    /* 711 */
+    2.754228703338166e-04,    /* 712 */
+    2.722701308077912e-04,    /* 713 */
+    2.691534803926916e-04,    /* 714 */
+    2.660725059798809e-04,    /* 715 */
+    2.630267991895382e-04,    /* 716 */
+    2.600159563165272e-04,    /* 717 */
+    2.570395782768864e-04,    /* 718 */
+    2.540972705549305e-04,    /* 719 */
+    2.511886431509580e-04,    /* 720 */
+    2.483133105295570e-04,    /* 721 */
+    2.454708915685030e-04,    /* 722 */
+    2.426610095082416e-04,    /* 723 */
+    2.398832919019490e-04,    /* 724 */
+    2.371373705661655e-04,    /* 725 */
+    2.344228815319922e-04,    /* 726 */
+    2.317394649968479e-04,    /* 727 */
+    2.290867652767773e-04,    /* 728 */
+    2.264644307593060e-04,    /* 729 */
+    2.238721138568340e-04,    /* 730 */
+    2.213094709605638e-04,    /* 731 */
+    2.187761623949553e-04,    /* 732 */
+    2.162718523727020e-04,    /* 733 */
+    2.137962089502232e-04,    /* 734 */
+    2.113489039836647e-04,    /* 735 */
+    2.089296130854040e-04,    /* 736 */
+    2.065380155810529e-04,    /* 737 */
+    2.041737944669529e-04,    /* 738 */
+    2.018366363681561e-04,    /* 739 */
+    1.995262314968880e-04,    /* 740 */
+    1.972422736114854e-04,    /* 741 */
+    1.949844599758045e-04,    /* 742 */
+    1.927524913190936e-04,    /* 743 */
+    1.905460717963247e-04,    /* 744 */
+    1.883649089489800e-04,    /* 745 */
+    1.862087136662868e-04,    /* 746 */
+    1.840772001468956e-04,    /* 747 */
+    1.819700858609983e-04,    /* 748 */
+    1.798870915128788e-04,    /* 749 */
+    1.778279410038923e-04,    /* 750 */
+    1.757923613958693e-04,    /* 751 */
+    1.737800828749376e-04,    /* 752 */
+    1.717908387157588e-04,    /* 753 */
+    1.698243652461744e-04,    /* 754 */
+    1.678804018122560e-04,    /* 755 */
+    1.659586907437561e-04,    /* 756 */
+    1.640589773199539e-04,    /* 757 */
+    1.621810097358930e-04,    /* 758 */
+    1.603245390690042e-04,    /* 759 */
+    1.584893192461113e-04,    /* 760 */
+    1.566751070108149e-04,    /* 761 */
+    1.548816618912481e-04,    /* 762 */
+    1.531087461682030e-04,    /* 763 */
+    1.513561248436208e-04,    /* 764 */
+    1.496235656094433e-04,    /* 765 */
+    1.479108388168207e-04,    /* 766 */
+    1.462177174456718e-04,    /* 767 */
+    1.445439770745927e-04,    /* 768 */
+    1.428893958511103e-04,    /* 769 */
+    1.412537544622754e-04,    /* 770 */
+    1.396368361055938e-04,    /* 771 */
+    1.380384264602885e-04,    /* 772 */
+    1.364583136588925e-04,    /* 773 */
+    1.348962882591654e-04,    /* 774 */
+    1.333521432163324e-04,    /* 775 */
+    1.318256738556407e-04,    /* 776 */
+    1.303166778452299e-04,    /* 777 */
+    1.288249551693134e-04,    /* 778 */
+    1.273503081016662e-04,    /* 779 */
+    1.258925411794167e-04,    /* 780 */
+    1.244514611771385e-04,    /* 781 */
+    1.230268770812382e-04,    /* 782 */
+    1.216186000646368e-04,    /* 783 */
+    1.202264434617413e-04,    /* 784 */
+    1.188502227437018e-04,    /* 785 */
+    1.174897554939530e-04,    /* 786 */
+    1.161448613840343e-04,    /* 787 */
+    1.148153621496883e-04,    /* 788 */
+    1.135010815672315e-04,    /* 789 */
+    1.122018454301963e-04,    /* 790 */
+    1.109174815262401e-04,    /* 791 */
+    1.096478196143185e-04,    /* 792 */
+    1.083926914021204e-04,    /* 793 */
+    1.071519305237606e-04,    /* 794 */
+    1.059253725177289e-04,    /* 795 */
+    1.047128548050899e-04,    /* 796 */
+    1.035142166679344e-04,    /* 797 */
+    1.023292992280754e-04,    /* 798 */
+    1.011579454259898e-04,    /* 799 */
+    1.000000000000000e-04,    /* 800 */
+    9.885530946569389e-05,    /* 801 */
+    9.772372209558107e-05,    /* 802 */
+    9.660508789898133e-05,    /* 803 */
+    9.549925860214359e-05,    /* 804 */
+    9.440608762859233e-05,    /* 805 */
+    9.332543007969910e-05,    /* 806 */
+    9.225714271547631e-05,    /* 807 */
+    9.120108393559098e-05,    /* 808 */
+    9.015711376059569e-05,    /* 809 */
+    8.912509381337455e-05,    /* 810 */
+    8.810488730080140e-05,    /* 811 */
+    8.709635899560807e-05,    /* 812 */
+    8.609937521846007e-05,    /* 813 */
+    8.511380382023765e-05,    /* 814 */
+    8.413951416451952e-05,    /* 815 */
+    8.317637711026710e-05,    /* 816 */
+    8.222426499470712e-05,    /* 817 */
+    8.128305161640992e-05,    /* 818 */
+    8.035261221856173e-05,    /* 819 */
+    7.943282347242815e-05,    /* 820 */
+    7.852356346100718e-05,    /* 821 */
+    7.762471166286918e-05,    /* 822 */
+    7.673614893618189e-05,    /* 823 */
+    7.585775750291837e-05,    /* 824 */
+    7.498942093324559e-05,    /* 825 */
+    7.413102413009175e-05,    /* 826 */
+    7.328245331389041e-05,    /* 827 */
+    7.244359600749901e-05,    /* 828 */
+    7.161434102129020e-05,    /* 829 */
+    7.079457843841379e-05,    /* 830 */
+    6.998419960022735e-05,    /* 831 */
+    6.918309709189365e-05,    /* 832 */
+    6.839116472814293e-05,    /* 833 */
+    6.760829753919818e-05,    /* 834 */
+    6.683439175686147e-05,    /* 835 */
+    6.606934480075961e-05,    /* 836 */
+    6.531305526474724e-05,    /* 837 */
+    6.456542290346555e-05,    /* 838 */
+    6.382634861905487e-05,    /* 839 */
+    6.309573444801932e-05,    /* 840 */
+    6.237348354824193e-05,    /* 841 */
+    6.165950018614821e-05,    /* 842 */
+    6.095368972401692e-05,    /* 843 */
+    6.025595860743577e-05,    /* 844 */
+    5.956621435290105e-05,    /* 845 */
+    5.888436553555889e-05,    /* 846 */
+    5.821032177708714e-05,    /* 847 */
+    5.754399373371569e-05,    /* 848 */
+    5.688529308438414e-05,    /* 849 */
+    5.623413251903491e-05,    /* 850 */
+    5.559042572704036e-05,    /* 851 */
+    5.495408738576245e-05,    /* 852 */
+    5.432503314924332e-05,    /* 853 */
+    5.370317963702527e-05,    /* 854 */
+    5.308844442309884e-05,    /* 855 */
+    5.248074602497726e-05,    /* 856 */
+    5.188000389289611e-05,    /* 857 */
+    5.128613839913649e-05,    /* 858 */
+    5.069907082747044e-05,    /* 859 */
+    5.011872336272723e-05,    /* 860 */
+    4.954501908047902e-05,    /* 861 */
+    4.897788193684462e-05,    /* 862 */
+    4.841723675840994e-05,    /* 863 */
+    4.786300923226384e-05,    /* 864 */
+    4.731512589614805e-05,    /* 865 */
+    4.677351412871982e-05,    /* 866 */
+    4.623810213992603e-05,    /* 867 */
+    4.570881896148750e-05,    /* 868 */
+    4.518559443749224e-05,    /* 869 */
+    4.466835921509631e-05,    /* 870 */
+    4.415704473533125e-05,    /* 871 */
+    4.365158322401660e-05,    /* 872 */
+    4.315190768277652e-05,    /* 873 */
+    4.265795188015926e-05,    /* 874 */
+    4.216965034285822e-05,    /* 875 */
+    4.168693834703354e-05,    /* 876 */
+    4.120975190973302e-05,    /* 877 */
+    4.073802778041127e-05,    /* 878 */
+    4.027170343254591e-05,    /* 879 */
+    3.981071705534972e-05,    /* 880 */
+    3.935500754557775e-05,    /* 881 */
+    3.890451449942806e-05,    /* 882 */
+    3.845917820453536e-05,    /* 883 */
+    3.801893963205612e-05,    /* 884 */
+    3.758374042884442e-05,    /* 885 */
+    3.715352290971725e-05,    /* 886 */
+    3.672823004980847e-05,    /* 887 */
+    3.630780547701013e-05,    /* 888 */
+    3.589219346450052e-05,    /* 889 */
+    3.548133892335755e-05,    /* 890 */
+    3.507518739525680e-05,    /* 891 */
+    3.467368504525316e-05,    /* 892 */
+    3.427677865464504e-05,    /* 893 */
+    3.388441561392026e-05,    /* 894 */
+    3.349654391578277e-05,    /* 895 */
+    3.311311214825911e-05,    /* 896 */
+    3.273406948788382e-05,    /* 897 */
+    3.235936569296283e-05,    /* 898 */
+    3.198895109691398e-05,    /* 899 */
+    3.162277660168380e-05,    /* 900 */
+    3.126079367123955e-05,    /* 901 */
+    3.090295432513591e-05,    /* 902 */
+    3.054921113215513e-05,    /* 903 */
+    3.019951720402016e-05,    /* 904 */
+    2.985382618917960e-05,    /* 905 */
+    2.951209226666386e-05,    /* 906 */
+    2.917427014001167e-05,    /* 907 */
+    2.884031503126606e-05,    /* 908 */
+    2.851018267503909e-05,    /* 909 */
+    2.818382931264454e-05,    /* 910 */
+    2.786121168629771e-05,    /* 911 */
+    2.754228703338166e-05,    /* 912 */
+    2.722701308077912e-05,    /* 913 */
+    2.691534803926916e-05,    /* 914 */
+    2.660725059798809e-05,    /* 915 */
+    2.630267991895382e-05,    /* 916 */
+    2.600159563165272e-05,    /* 917 */
+    2.570395782768864e-05,    /* 918 */
+    2.540972705549305e-05,    /* 919 */
+    2.511886431509580e-05,    /* 920 */
+    2.483133105295570e-05,    /* 921 */
+    2.454708915685030e-05,    /* 922 */
+    2.426610095082415e-05,    /* 923 */
+    2.398832919019490e-05,    /* 924 */
+    2.371373705661655e-05,    /* 925 */
+    2.344228815319922e-05,    /* 926 */
+    2.317394649968478e-05,    /* 927 */
+    2.290867652767773e-05,    /* 928 */
+    2.264644307593060e-05,    /* 929 */
+    2.238721138568340e-05,    /* 930 */
+    2.213094709605638e-05,    /* 931 */
+    2.187761623949553e-05,    /* 932 */
+    2.162718523727020e-05,    /* 933 */
+    2.137962089502232e-05,    /* 934 */
+    2.113489039836647e-05,    /* 935 */
+    2.089296130854040e-05,    /* 936 */
+    2.065380155810529e-05,    /* 937 */
+    2.041737944669529e-05,    /* 938 */
+    2.018366363681561e-05,    /* 939 */
+    1.995262314968880e-05,    /* 940 */
+    1.972422736114854e-05,    /* 941 */
+    1.949844599758045e-05,    /* 942 */
+    1.927524913190936e-05,    /* 943 */
+    1.905460717963247e-05,    /* 944 */
+    1.883649089489800e-05,    /* 945 */
+    1.862087136662867e-05,    /* 946 */
+    1.840772001468956e-05,    /* 947 */
+    1.819700858609983e-05,    /* 948 */
+    1.798870915128788e-05,    /* 949 */
+    1.778279410038923e-05,    /* 950 */
+    1.757923613958692e-05,    /* 951 */
+    1.737800828749375e-05,    /* 952 */
+    1.717908387157588e-05,    /* 953 */
+    1.698243652461744e-05,    /* 954 */
+    1.678804018122560e-05,    /* 955 */
+    1.659586907437560e-05,    /* 956 */
+    1.640589773199539e-05,    /* 957 */
+    1.621810097358930e-05,    /* 958 */
+    1.603245390690041e-05,    /* 959 */
+    1.584893192461113e-05,    /* 960 */
+    1.566751070108149e-05,    /* 961 */
+    1.548816618912481e-05,    /* 962 */
+    1.531087461682030e-05,    /* 963 */
+    1.513561248436208e-05,    /* 964 */
+    1.496235656094433e-05,    /* 965 */
+    1.479108388168207e-05,    /* 966 */
+    1.462177174456718e-05,    /* 967 */
+    1.445439770745928e-05,    /* 968 */
+    1.428893958511103e-05,    /* 969 */
+    1.412537544622754e-05,    /* 970 */
+    1.396368361055938e-05,    /* 971 */
+    1.380384264602885e-05,    /* 972 */
+    1.364583136588924e-05,    /* 973 */
+    1.348962882591654e-05,    /* 974 */
+    1.333521432163324e-05,    /* 975 */
+    1.318256738556407e-05,    /* 976 */
+    1.303166778452299e-05,    /* 977 */
+    1.288249551693134e-05,    /* 978 */
+    1.273503081016662e-05,    /* 979 */
+    1.258925411794167e-05,    /* 980 */
+    1.244514611771385e-05,    /* 981 */
+    1.230268770812382e-05,    /* 982 */
+    1.216186000646368e-05,    /* 983 */
+    1.202264434617413e-05,    /* 984 */
+    1.188502227437018e-05,    /* 985 */
+    1.174897554939530e-05,    /* 986 */
+    1.161448613840343e-05,    /* 987 */
+    1.148153621496883e-05,    /* 988 */
+    1.135010815672315e-05,    /* 989 */
+    1.122018454301964e-05,    /* 990 */
+    1.109174815262401e-05,    /* 991 */
+    1.096478196143185e-05,    /* 992 */
+    1.083926914021204e-05,    /* 993 */
+    1.071519305237606e-05,    /* 994 */
+    1.059253725177289e-05,    /* 995 */
+    1.047128548050900e-05,    /* 996 */
+    1.035142166679344e-05,    /* 997 */
+    1.023292992280754e-05,    /* 998 */
+    1.011579454259898e-05,    /* 999 */
+    1.000000000000000e-05,    /* 1000 */
+    9.885530946569389e-06,    /* 1001 */
+    9.772372209558108e-06,    /* 1002 */
+    9.660508789898134e-06,    /* 1003 */
+    9.549925860214359e-06,    /* 1004 */
+    9.440608762859234e-06,    /* 1005 */
+    9.332543007969911e-06,    /* 1006 */
+    9.225714271547632e-06,    /* 1007 */
+    9.120108393559098e-06,    /* 1008 */
+    9.015711376059568e-06,    /* 1009 */
+    8.912509381337456e-06,    /* 1010 */
+    8.810488730080140e-06,    /* 1011 */
+    8.709635899560806e-06,    /* 1012 */
+    8.609937521846006e-06,    /* 1013 */
+    8.511380382023765e-06,    /* 1014 */
+    8.413951416451952e-06,    /* 1015 */
+    8.317637711026709e-06,    /* 1016 */
+    8.222426499470711e-06,    /* 1017 */
+    8.128305161640993e-06,    /* 1018 */
+    8.035261221856173e-06,    /* 1019 */
+    7.943282347242815e-06,    /* 1020 */
+    7.852356346100718e-06,    /* 1021 */
+    7.762471166286918e-06,    /* 1022 */
+    7.673614893618189e-06,    /* 1023 */
+    7.585775750291837e-06,    /* 1024 */
+    7.498942093324558e-06,    /* 1025 */
+    7.413102413009175e-06,    /* 1026 */
+    7.328245331389041e-06,    /* 1027 */
+    7.244359600749901e-06,    /* 1028 */
+    7.161434102129020e-06,    /* 1029 */
+    7.079457843841379e-06,    /* 1030 */
+    6.998419960022735e-06,    /* 1031 */
+    6.918309709189365e-06,    /* 1032 */
+    6.839116472814293e-06,    /* 1033 */
+    6.760829753919818e-06,    /* 1034 */
+    6.683439175686146e-06,    /* 1035 */
+    6.606934480075960e-06,    /* 1036 */
+    6.531305526474723e-06,    /* 1037 */
+    6.456542290346555e-06,    /* 1038 */
+    6.382634861905487e-06,    /* 1039 */
+    6.309573444801932e-06,    /* 1040 */
+    6.237348354824192e-06,    /* 1041 */
+    6.165950018614822e-06,    /* 1042 */
+    6.095368972401692e-06,    /* 1043 */
+    6.025595860743577e-06,    /* 1044 */
+    5.956621435290104e-06,    /* 1045 */
+    5.888436553555889e-06,    /* 1046 */
+    5.821032177708714e-06,    /* 1047 */
+    5.754399373371569e-06,    /* 1048 */
+    5.688529308438415e-06,    /* 1049 */
+    5.623413251903491e-06,    /* 1050 */
+    5.559042572704035e-06,    /* 1051 */
+    5.495408738576246e-06,    /* 1052 */
+    5.432503314924332e-06,    /* 1053 */
+    5.370317963702528e-06,    /* 1054 */
+    5.308844442309884e-06,    /* 1055 */
+    5.248074602497726e-06,    /* 1056 */
+    5.188000389289611e-06,    /* 1057 */
+    5.128613839913649e-06,    /* 1058 */
+    5.069907082747044e-06,    /* 1059 */
+    5.011872336272722e-06,    /* 1060 */
+    4.954501908047903e-06,    /* 1061 */
+    4.897788193684462e-06,    /* 1062 */
+    4.841723675840994e-06,    /* 1063 */
+    4.786300923226383e-06,    /* 1064 */
+    4.731512589614805e-06,    /* 1065 */
+    4.677351412871982e-06,    /* 1066 */
+    4.623810213992603e-06,    /* 1067 */
+    4.570881896148750e-06,    /* 1068 */
+    4.518559443749223e-06,    /* 1069 */
+    4.466835921509631e-06,    /* 1070 */
+    4.415704473533125e-06,    /* 1071 */
+    4.365158322401660e-06,    /* 1072 */
+    4.315190768277652e-06,    /* 1073 */
+    4.265795188015927e-06,    /* 1074 */
+    4.216965034285822e-06,    /* 1075 */
+    4.168693834703354e-06,    /* 1076 */
+    4.120975190973302e-06,    /* 1077 */
+    4.073802778041127e-06,    /* 1078 */
+    4.027170343254591e-06,    /* 1079 */
+    3.981071705534973e-06,    /* 1080 */
+    3.935500754557774e-06,    /* 1081 */
+    3.890451449942806e-06,    /* 1082 */
+    3.845917820453536e-06,    /* 1083 */
+    3.801893963205612e-06,    /* 1084 */
+    3.758374042884442e-06,    /* 1085 */
+    3.715352290971725e-06,    /* 1086 */
+    3.672823004980847e-06,    /* 1087 */
+    3.630780547701013e-06,    /* 1088 */
+    3.589219346450052e-06,    /* 1089 */
+    3.548133892335755e-06,    /* 1090 */
+    3.507518739525680e-06,    /* 1091 */
+    3.467368504525316e-06,    /* 1092 */
+    3.427677865464503e-06,    /* 1093 */
+    3.388441561392025e-06,    /* 1094 */
+    3.349654391578277e-06,    /* 1095 */
+    3.311311214825911e-06,    /* 1096 */
+    3.273406948788382e-06,    /* 1097 */
+    3.235936569296283e-06,    /* 1098 */
+    3.198895109691398e-06,    /* 1099 */
+    3.162277660168379e-06,    /* 1100 */
+    3.126079367123955e-06,    /* 1101 */
+    3.090295432513591e-06,    /* 1102 */
+    3.054921113215513e-06,    /* 1103 */
+    3.019951720402016e-06,    /* 1104 */
+    2.985382618917960e-06,    /* 1105 */
+    2.951209226666386e-06,    /* 1106 */
+    2.917427014001167e-06,    /* 1107 */
+    2.884031503126606e-06,    /* 1108 */
+    2.851018267503909e-06,    /* 1109 */
+    2.818382931264454e-06,    /* 1110 */
+    2.786121168629770e-06,    /* 1111 */
+    2.754228703338166e-06,    /* 1112 */
+    2.722701308077913e-06,    /* 1113 */
+    2.691534803926916e-06,    /* 1114 */
+    2.660725059798810e-06,    /* 1115 */
+    2.630267991895382e-06,    /* 1116 */
+    2.600159563165272e-06,    /* 1117 */
+    2.570395782768864e-06,    /* 1118 */
+    2.540972705549305e-06,    /* 1119 */
+    2.511886431509580e-06,    /* 1120 */
+    2.483133105295570e-06,    /* 1121 */
+    2.454708915685031e-06,    /* 1122 */
+    2.426610095082416e-06,    /* 1123 */
+    2.398832919019491e-06,    /* 1124 */
+    2.371373705661655e-06,    /* 1125 */
+    2.344228815319922e-06,    /* 1126 */
+    2.317394649968478e-06,    /* 1127 */
+    2.290867652767773e-06,    /* 1128 */
+    2.264644307593060e-06,    /* 1129 */
+    2.238721138568340e-06,    /* 1130 */
+    2.213094709605638e-06,    /* 1131 */
+    2.187761623949553e-06,    /* 1132 */
+    2.162718523727020e-06,    /* 1133 */
+    2.137962089502232e-06,    /* 1134 */
+    2.113489039836647e-06,    /* 1135 */
+    2.089296130854039e-06,    /* 1136 */
+    2.065380155810529e-06,    /* 1137 */
+    2.041737944669529e-06,    /* 1138 */
+    2.018366363681561e-06,    /* 1139 */
+    1.995262314968880e-06,    /* 1140 */
+    1.972422736114854e-06,    /* 1141 */
+    1.949844599758045e-06,    /* 1142 */
+    1.927524913190936e-06,    /* 1143 */
+    1.905460717963247e-06,    /* 1144 */
+    1.883649089489801e-06,    /* 1145 */
+    1.862087136662868e-06,    /* 1146 */
+    1.840772001468956e-06,    /* 1147 */
+    1.819700858609983e-06,    /* 1148 */
+    1.798870915128788e-06,    /* 1149 */
+    1.778279410038923e-06,    /* 1150 */
+    1.757923613958693e-06,    /* 1151 */
+    1.737800828749375e-06,    /* 1152 */
+    1.717908387157588e-06,    /* 1153 */
+    1.698243652461744e-06,    /* 1154 */
+    1.678804018122560e-06,    /* 1155 */
+    1.659586907437561e-06,    /* 1156 */
+    1.640589773199539e-06,    /* 1157 */
+    1.621810097358930e-06,    /* 1158 */
+    1.603245390690041e-06,    /* 1159 */
+    1.584893192461113e-06,    /* 1160 */
+    1.566751070108149e-06,    /* 1161 */
+    1.548816618912481e-06,    /* 1162 */
+    1.531087461682030e-06,    /* 1163 */
+    1.513561248436208e-06,    /* 1164 */
+    1.496235656094434e-06,    /* 1165 */
+    1.479108388168207e-06,    /* 1166 */
+    1.462177174456718e-06,    /* 1167 */
+    1.445439770745928e-06,    /* 1168 */
+    1.428893958511103e-06,    /* 1169 */
+    1.412537544622754e-06,    /* 1170 */
+    1.396368361055938e-06,    /* 1171 */
+    1.380384264602885e-06,    /* 1172 */
+    1.364583136588924e-06,    /* 1173 */
+    1.348962882591654e-06,    /* 1174 */
+    1.333521432163324e-06,    /* 1175 */
+    1.318256738556407e-06,    /* 1176 */
+    1.303166778452299e-06,    /* 1177 */
+    1.288249551693134e-06,    /* 1178 */
+    1.273503081016662e-06,    /* 1179 */
+    1.258925411794167e-06,    /* 1180 */
+    1.244514611771385e-06,    /* 1181 */
+    1.230268770812382e-06,    /* 1182 */
+    1.216186000646368e-06,    /* 1183 */
+    1.202264434617413e-06,    /* 1184 */
+    1.188502227437018e-06,    /* 1185 */
+    1.174897554939530e-06,    /* 1186 */
+    1.161448613840343e-06,    /* 1187 */
+    1.148153621496883e-06,    /* 1188 */
+    1.135010815672315e-06,    /* 1189 */
+    1.122018454301963e-06,    /* 1190 */
+    1.109174815262401e-06,    /* 1191 */
+    1.096478196143185e-06,    /* 1192 */
+    1.083926914021203e-06,    /* 1193 */
+    1.071519305237606e-06,    /* 1194 */
+    1.059253725177289e-06,    /* 1195 */
+    1.047128548050900e-06,    /* 1196 */
+    1.035142166679344e-06,    /* 1197 */
+    1.023292992280754e-06,    /* 1198 */
+    1.011579454259898e-06,    /* 1199 */
+    1.000000000000000e-06,    /* 1200 */
+    9.885530946569389e-07,    /* 1201 */
+    9.772372209558107e-07,    /* 1202 */
+    9.660508789898133e-07,    /* 1203 */
+    9.549925860214360e-07,    /* 1204 */
+    9.440608762859233e-07,    /* 1205 */
+    9.332543007969910e-07,    /* 1206 */
+    9.225714271547632e-07,    /* 1207 */
+    9.120108393559097e-07,    /* 1208 */
+    9.015711376059569e-07,    /* 1209 */
+    8.912509381337455e-07,    /* 1210 */
+    8.810488730080140e-07,    /* 1211 */
+    8.709635899560807e-07,    /* 1212 */
+    8.609937521846007e-07,    /* 1213 */
+    8.511380382023765e-07,    /* 1214 */
+    8.413951416451951e-07,    /* 1215 */
+    8.317637711026710e-07,    /* 1216 */
+    8.222426499470711e-07,    /* 1217 */
+    8.128305161640992e-07,    /* 1218 */
+    8.035261221856172e-07,    /* 1219 */
+    7.943282347242815e-07,    /* 1220 */
+    7.852356346100718e-07,    /* 1221 */
+    7.762471166286918e-07,    /* 1222 */
+    7.673614893618189e-07,    /* 1223 */
+    7.585775750291838e-07,    /* 1224 */
+    7.498942093324558e-07,    /* 1225 */
+    7.413102413009175e-07,    /* 1226 */
+    7.328245331389040e-07,    /* 1227 */
+    7.244359600749901e-07,    /* 1228 */
+    7.161434102129020e-07,    /* 1229 */
+    7.079457843841379e-07,    /* 1230 */
+    6.998419960022735e-07,    /* 1231 */
+    6.918309709189365e-07,    /* 1232 */
+    6.839116472814294e-07,    /* 1233 */
+    6.760829753919818e-07,    /* 1234 */
+    6.683439175686146e-07,    /* 1235 */
+    6.606934480075960e-07,    /* 1236 */
+    6.531305526474723e-07,    /* 1237 */
+    6.456542290346555e-07,    /* 1238 */
+    6.382634861905487e-07,    /* 1239 */
+    6.309573444801933e-07,    /* 1240 */
+    6.237348354824193e-07,    /* 1241 */
+    6.165950018614822e-07,    /* 1242 */
+    6.095368972401692e-07,    /* 1243 */
+    6.025595860743577e-07,    /* 1244 */
+    5.956621435290105e-07,    /* 1245 */
+    5.888436553555889e-07,    /* 1246 */
+    5.821032177708714e-07,    /* 1247 */
+    5.754399373371570e-07,    /* 1248 */
+    5.688529308438414e-07,    /* 1249 */
+    5.623413251903490e-07,    /* 1250 */
+    5.559042572704035e-07,    /* 1251 */
+    5.495408738576246e-07,    /* 1252 */
+    5.432503314924332e-07,    /* 1253 */
+    5.370317963702528e-07,    /* 1254 */
+    5.308844442309884e-07,    /* 1255 */
+    5.248074602497726e-07,    /* 1256 */
+    5.188000389289611e-07,    /* 1257 */
+    5.128613839913648e-07,    /* 1258 */
+    5.069907082747044e-07,    /* 1259 */
+    5.011872336272723e-07,    /* 1260 */
+    4.954501908047903e-07,    /* 1261 */
+    4.897788193684462e-07,    /* 1262 */
+    4.841723675840993e-07,    /* 1263 */
+    4.786300923226383e-07,    /* 1264 */
+    4.731512589614805e-07,    /* 1265 */
+    4.677351412871982e-07,    /* 1266 */
+    4.623810213992603e-07,    /* 1267 */
+    4.570881896148751e-07,    /* 1268 */
+    4.518559443749224e-07,    /* 1269 */
+    4.466835921509631e-07,    /* 1270 */
+    4.415704473533125e-07,    /* 1271 */
+    4.365158322401660e-07,    /* 1272 */
+    4.315190768277652e-07,    /* 1273 */
+    4.265795188015926e-07,    /* 1274 */
+    4.216965034285823e-07,    /* 1275 */
+    4.168693834703354e-07,    /* 1276 */
+    4.120975190973302e-07,    /* 1277 */
+    4.073802778041127e-07,    /* 1278 */
+    4.027170343254591e-07,    /* 1279 */
+    3.981071705534972e-07,    /* 1280 */
+    3.935500754557775e-07,    /* 1281 */
+    3.890451449942806e-07,    /* 1282 */
+    3.845917820453536e-07,    /* 1283 */
+    3.801893963205612e-07,    /* 1284 */
+    3.758374042884442e-07,    /* 1285 */
+    3.715352290971725e-07,    /* 1286 */
+    3.672823004980847e-07,    /* 1287 */
+    3.630780547701014e-07,    /* 1288 */
+    3.589219346450052e-07,    /* 1289 */
+    3.548133892335755e-07,    /* 1290 */
+    3.507518739525680e-07,    /* 1291 */
+    3.467368504525316e-07,    /* 1292 */
+    3.427677865464503e-07,    /* 1293 */
+    3.388441561392025e-07,    /* 1294 */
+    3.349654391578277e-07,    /* 1295 */
+    3.311311214825911e-07,    /* 1296 */
+    3.273406948788382e-07,    /* 1297 */
+    3.235936569296283e-07,    /* 1298 */
+    3.198895109691398e-07,    /* 1299 */
+    3.162277660168379e-07,    /* 1300 */
+    3.126079367123955e-07,    /* 1301 */
+    3.090295432513590e-07,    /* 1302 */
+    3.054921113215513e-07,    /* 1303 */
+    3.019951720402016e-07,    /* 1304 */
+    2.985382618917960e-07,    /* 1305 */
+    2.951209226666386e-07,    /* 1306 */
+    2.917427014001167e-07,    /* 1307 */
+    2.884031503126606e-07,    /* 1308 */
+    2.851018267503909e-07,    /* 1309 */
+    2.818382931264454e-07,    /* 1310 */
+    2.786121168629770e-07,    /* 1311 */
+    2.754228703338166e-07,    /* 1312 */
+    2.722701308077912e-07,    /* 1313 */
+    2.691534803926916e-07,    /* 1314 */
+    2.660725059798809e-07,    /* 1315 */
+    2.630267991895382e-07,    /* 1316 */
+    2.600159563165272e-07,    /* 1317 */
+    2.570395782768864e-07,    /* 1318 */
+    2.540972705549305e-07,    /* 1319 */
+    2.511886431509580e-07,    /* 1320 */
+    2.483133105295570e-07,    /* 1321 */
+    2.454708915685030e-07,    /* 1322 */
+    2.426610095082416e-07,    /* 1323 */
+    2.398832919019490e-07,    /* 1324 */
+    2.371373705661655e-07,    /* 1325 */
+    2.344228815319922e-07,    /* 1326 */
+    2.317394649968478e-07,    /* 1327 */
+    2.290867652767773e-07,    /* 1328 */
+    2.264644307593060e-07,    /* 1329 */
+    2.238721138568340e-07,    /* 1330 */
+    2.213094709605638e-07,    /* 1331 */
+    2.187761623949553e-07,    /* 1332 */
+    2.162718523727020e-07,    /* 1333 */
+    2.137962089502232e-07,    /* 1334 */
+    2.113489039836647e-07,    /* 1335 */
+    2.089296130854040e-07,    /* 1336 */
+    2.065380155810529e-07,    /* 1337 */
+    2.041737944669529e-07,    /* 1338 */
+    2.018366363681561e-07,    /* 1339 */
+    1.995262314968880e-07,    /* 1340 */
+    1.972422736114854e-07,    /* 1341 */
+    1.949844599758045e-07,    /* 1342 */
+    1.927524913190936e-07,    /* 1343 */
+    1.905460717963247e-07,    /* 1344 */
+    1.883649089489800e-07,    /* 1345 */
+    1.862087136662867e-07,    /* 1346 */
+    1.840772001468956e-07,    /* 1347 */
+    1.819700858609983e-07,    /* 1348 */
+    1.798870915128788e-07,    /* 1349 */
+    1.778279410038923e-07,    /* 1350 */
+    1.757923613958693e-07,    /* 1351 */
+    1.737800828749375e-07,    /* 1352 */
+    1.717908387157588e-07,    /* 1353 */
+    1.698243652461744e-07,    /* 1354 */
+    1.678804018122560e-07,    /* 1355 */
+    1.659586907437561e-07,    /* 1356 */
+    1.640589773199539e-07,    /* 1357 */
+    1.621810097358930e-07,    /* 1358 */
+    1.603245390690041e-07,    /* 1359 */
+    1.584893192461114e-07,    /* 1360 */
+    1.566751070108149e-07,    /* 1361 */
+    1.548816618912481e-07,    /* 1362 */
+    1.531087461682030e-07,    /* 1363 */
+    1.513561248436208e-07,    /* 1364 */
+    1.496235656094433e-07,    /* 1365 */
+    1.479108388168207e-07,    /* 1366 */
+    1.462177174456718e-07,    /* 1367 */
+    1.445439770745928e-07,    /* 1368 */
+    1.428893958511103e-07,    /* 1369 */
+    1.412537544622754e-07,    /* 1370 */
+    1.396368361055938e-07,    /* 1371 */
+    1.380384264602885e-07,    /* 1372 */
+    1.364583136588925e-07,    /* 1373 */
+    1.348962882591654e-07,    /* 1374 */
+    1.333521432163324e-07,    /* 1375 */
+    1.318256738556407e-07,    /* 1376 */
+    1.303166778452299e-07,    /* 1377 */
+    1.288249551693134e-07,    /* 1378 */
+    1.273503081016662e-07,    /* 1379 */
+    1.258925411794167e-07,    /* 1380 */
+    1.244514611771385e-07,    /* 1381 */
+    1.230268770812381e-07,    /* 1382 */
+    1.216186000646368e-07,    /* 1383 */
+    1.202264434617413e-07,    /* 1384 */
+    1.188502227437018e-07,    /* 1385 */
+    1.174897554939530e-07,    /* 1386 */
+    1.161448613840343e-07,    /* 1387 */
+    1.148153621496883e-07,    /* 1388 */
+    1.135010815672315e-07,    /* 1389 */
+    1.122018454301963e-07,    /* 1390 */
+    1.109174815262401e-07,    /* 1391 */
+    1.096478196143185e-07,    /* 1392 */
+    1.083926914021204e-07,    /* 1393 */
+    1.071519305237606e-07,    /* 1394 */
+    1.059253725177289e-07,    /* 1395 */
+    1.047128548050900e-07,    /* 1396 */
+    1.035142166679344e-07,    /* 1397 */
+    1.023292992280754e-07,    /* 1398 */
+    1.011579454259898e-07,    /* 1399 */
+    1.000000000000000e-07,    /* 1400 */
+    9.885530946569389e-08,    /* 1401 */
+    9.772372209558107e-08,    /* 1402 */
+    9.660508789898134e-08,    /* 1403 */
+    9.549925860214360e-08,    /* 1404 */
+    9.440608762859234e-08,    /* 1405 */
+    9.332543007969910e-08,    /* 1406 */
+    9.225714271547632e-08,    /* 1407 */
+    9.120108393559098e-08,    /* 1408 */
+    9.015711376059569e-08,    /* 1409 */
+    8.912509381337455e-08,    /* 1410 */
+    8.810488730080140e-08,    /* 1411 */
+    8.709635899560806e-08,    /* 1412 */
+    8.609937521846006e-08,    /* 1413 */
+    8.511380382023765e-08,    /* 1414 */
+    8.413951416451951e-08,    /* 1415 */
+    8.317637711026710e-08,    /* 1416 */
+    8.222426499470712e-08,    /* 1417 */
+    8.128305161640992e-08,    /* 1418 */
+    8.035261221856172e-08,    /* 1419 */
+    7.943282347242815e-08,    /* 1420 */
+    7.852356346100718e-08,    /* 1421 */
+    7.762471166286917e-08,    /* 1422 */
+    7.673614893618189e-08,    /* 1423 */
+    7.585775750291838e-08,    /* 1424 */
+    7.498942093324559e-08,    /* 1425 */
+    7.413102413009175e-08,    /* 1426 */
+    7.328245331389041e-08,    /* 1427 */
+    7.244359600749901e-08,    /* 1428 */
+    7.161434102129020e-08,    /* 1429 */
+    7.079457843841380e-08,    /* 1430 */
+    6.998419960022735e-08,    /* 1431 */
+    6.918309709189365e-08,    /* 1432 */
+    6.839116472814293e-08,    /* 1433 */
+    6.760829753919818e-08,    /* 1434 */
+    6.683439175686146e-08,    /* 1435 */
+    6.606934480075960e-08,    /* 1436 */
+    6.531305526474724e-08,    /* 1437 */
+    6.456542290346556e-08,    /* 1438 */
+    6.382634861905487e-08,    /* 1439 */
+    6.309573444801932e-08,    /* 1440 */
+};
+
+static const fluid_real_t fluid_concave_tab[128] = {
+    0.000000000000000e+00,    /* 0 */
+    1.430489932664151e-03,    /* 1 */
+    2.872378311625187e-03,    /* 2 */
+    4.325848247384080e-03,    /* 3 */
+    5.791087298566222e-03,    /* 4 */
+    7.268287617170264e-03,    /* 5 */
+    8.757646099794491e-03,    /* 6 */
+    1.025936454513835e-02,    /* 7 */
+    1.177364981809421e-02,    /* 8 */
+    1.330071402076312e-02,    /* 9 */
+    1.484077467074801e-02,    /* 10 */
+    1.639405488709933e-02,    /* 11 */
+    1.796078358431049e-02,    /* 12 */
+    1.954119567478511e-02,    /* 13 */
+    2.113553228022381e-02,    /* 14 */
+    2.274404095240635e-02,    /* 15 */
+    2.436697590387476e-02,    /* 16 */
+    2.600459824905492e-02,    /* 17 */
+    2.765717625638884e-02,    /* 18 */
+    2.932498561208631e-02,    /* 19 */
+    3.100830969614467e-02,    /* 20 */
+    3.270743987132776e-02,    /* 21 */
+    3.442267578584116e-02,    /* 22 */
+    3.615432569049021e-02,    /* 23 */
+    3.790270677116027e-02,    /* 24 */
+    3.966814549751637e-02,    /* 25 */
+    4.145097798888095e-02,    /* 26 */
+    4.325155039831535e-02,    /* 27 */
+    4.507021931600289e-02,    /* 28 */
+    4.690735219310917e-02,    /* 29 */
+    4.876332778738000e-02,    /* 30 */
+    5.063853663182852e-02,    /* 31 */
+    5.253338152796212e-02,    /* 32 */
+    5.444827806510758e-02,    /* 33 */
+    5.638365516750905e-02,    /* 34 */
+    5.833995567100066e-02,    /* 35 */
+    6.031763693119302e-02,    /* 36 */
+    6.231717146526333e-02,    /* 37 */
+    6.433904762960170e-02,    /* 38 */
+    6.638377033574509e-02,    /* 39 */
+    6.845186180722430e-02,    /* 40 */
+    7.054386238016214e-02,    /* 41 */
+    7.266033135069339e-02,    /* 42 */
+    7.480184787253133e-02,    /* 43 */
+    7.696901190828456e-02,    /* 44 */
+    7.916244523843340e-02,    /* 45 */
+    8.138279253221128e-02,    /* 46 */
+    8.363072248500553e-02,    /* 47 */
+    8.590692902729809e-02,    /* 48 */
+    8.821213261061518e-02,    /* 49 */
+    9.054708157644790e-02,    /* 50 */
+    9.291255361465228e-02,    /* 51 */
+    9.530935731844033e-02,    /* 52 */
+    9.773833384374193e-02,    /* 53 */
+    1.002003586814587e-01,    /* 54 */
+    1.026963435519535e-01,    /* 55 */
+    1.052272384320340e-01,    /* 56 */
+    1.077940337257083e-01,    /* 57 */
+    1.103977625911256e-01,    /* 58 */
+    1.130395034373835e-01,    /* 59 */
+    1.157203826063043e-01,    /* 60 */
+    1.184415772558701e-01,    /* 61 */
+    1.212043184637922e-01,    /* 62 */
+    1.240098945716957e-01,    /* 63 */
+    1.268596547926563e-01,    /* 64 */
+    1.297550131073762e-01,    /* 65 */
+    1.326974524771624e-01,    /* 66 */
+    1.356885294051305e-01,    /* 67 */
+    1.387298788807553e-01,    /* 68 */
+    1.418232197470915e-01,    /* 69 */
+    1.449703605347773e-01,    /* 70 */
+    1.481732058123985e-01,    /* 71 */
+    1.514337631090471e-01,    /* 72 */
+    1.547541504720785e-01,    /* 73 */
+    1.581366047313199e-01,    /* 74 */
+    1.615834905504824e-01,    /* 75 */
+    1.650973103575085e-01,    /* 76 */
+    1.686807152583075e-01,    /* 77 */
+    1.723365170531013e-01,    /* 78 */
+    1.760677014918207e-01,    /* 79 */
+    1.798774429250997e-01,    /* 80 */
+    1.837691205309928e-01,    /* 81 */
+    1.877463363252555e-01,    /* 82 */
+    1.918129351957372e-01,    /* 83 */
+    1.959730272401543e-01,    /* 84 */
+    2.002310127325235e-01,    /* 85 */
+    2.045916100984256e-01,    /* 86 */
+    2.090598873449977e-01,    /* 87 */
+    2.136412974706073e-01,    /* 88 */
+    2.183417184746445e-01,    /* 89 */
+    2.231674987037341e-01,    /* 90 */
+    2.281255084119456e-01,    /* 91 */
+    2.332231985857005e-01,    /* 92 */
+    2.384686682973757e-01,    /* 93 */
+    2.438707421158622e-01,    /* 94 */
+    2.494390594316878e-01,    /* 95 */
+    2.551841779673684e-01,    /* 96 */
+    2.611176942651227e-01,    /* 97 */
+    2.672523846070836e-01,    /* 98 */
+    2.736023706723907e-01,    /* 99 */
+    2.801833153320706e-01,    /* 100 */
+    2.870126554104745e-01,    /* 101 */
+    2.941098801182996e-01,    /* 102 */
+    3.014968663518128e-01,    /* 103 */
+    3.091982853909850e-01,    /* 104 */
+    3.172421000557294e-01,    /* 105 */
+    3.256601775925156e-01,    /* 106 */
+    3.344890522049898e-01,    /* 107 */
+    3.437708833346366e-01,    /* 108 */
+    3.535546732719378e-01,    /* 109 */
+    3.638978331573678e-01,    /* 110 */
+    3.748682242916800e-01,    /* 111 */
+    3.865468591251148e-01,    /* 112 */
+    3.990315355323828e-01,    /* 113 */
+    4.124418202704667e-01,    /* 114 */
+    4.269260312118050e-01,    /* 115 */
+    4.426712649157216e-01,    /* 116 */
+    4.599182170649820e-01,    /* 117 */
+    4.789838381319300e-01,    /* 118 */
+    5.002973891516721e-01,    /* 119 */
+    5.244607003923749e-01,    /* 120 */
+    5.523551960717972e-01,    /* 121 */
+    5.853473819249742e-01,    /* 122 */
+    6.257265540116643e-01,    /* 123 */
+    6.777843609317893e-01,    /* 124 */
+    7.511557188716564e-01,    /* 125 */
+    8.765848837316486e-01,    /* 126 */
+    1.000000000000000e+00,    /* 127 */
+};
+
+static const fluid_real_t fluid_convex_tab[128] = {
+    0.000000000000000e+00,    /* 0 */
+    1.234151162683514e-01,    /* 1 */
+    2.488442811283435e-01,    /* 2 */
+    3.222156390682107e-01,    /* 3 */
+    3.742734459883357e-01,    /* 4 */
+    4.146526180750258e-01,    /* 5 */
+    4.476448039282029e-01,    /* 6 */
+    4.755392996076250e-01,    /* 7 */
+    4.997026108483278e-01,    /* 8 */
+    5.210161618680701e-01,    /* 9 */
+    5.400817829350180e-01,    /* 10 */
+    5.573287350842785e-01,    /* 11 */
+    5.730739687881951e-01,    /* 12 */
+    5.875581797295333e-01,    /* 13 */
+    6.009684644676172e-01,    /* 14 */
+    6.134531408748852e-01,    /* 15 */
+    6.251317757083200e-01,    /* 16 */
+    6.361021668426321e-01,    /* 17 */
+    6.464453267280622e-01,    /* 18 */
+    6.562291166653634e-01,    /* 19 */
+    6.655109477950102e-01,    /* 20 */
+    6.743398224074844e-01,    /* 21 */
+    6.827578999442706e-01,    /* 22 */
+    6.908017146090151e-01,    /* 23 */
+    6.985031336481872e-01,    /* 24 */
+    7.058901198817004e-01,    /* 25 */
+    7.129873445895255e-01,    /* 26 */
+    7.198166846679294e-01,    /* 27 */
+    7.263976293276093e-01,    /* 28 */
+    7.327476153929163e-01,    /* 29 */
+    7.388823057348773e-01,    /* 30 */
+    7.448158220326316e-01,    /* 31 */
+    7.505609405683121e-01,    /* 32 */
+    7.561292578841378e-01,    /* 33 */
+    7.615313317026243e-01,    /* 34 */
+    7.667768014142995e-01,    /* 35 */
+    7.718744915880543e-01,    /* 36 */
+    7.768325012962659e-01,    /* 37 */
+    7.816582815253555e-01,    /* 38 */
+    7.863587025293927e-01,    /* 39 */
+    7.909401126550023e-01,    /* 40 */
+    7.954083899015745e-01,    /* 41 */
+    7.997689872674765e-01,    /* 42 */
+    8.040269727598457e-01,    /* 43 */
+    8.081870648042627e-01,    /* 44 */
+    8.122536636747445e-01,    /* 45 */
+    8.162308794690072e-01,    /* 46 */
+    8.201225570749002e-01,    /* 47 */
+    8.239322985081793e-01,    /* 48 */
+    8.276634829468987e-01,    /* 49 */
+    8.313192847416925e-01,    /* 50 */
+    8.349026896424915e-01,    /* 51 */
+    8.384165094495176e-01,    /* 52 */
+    8.418633952686800e-01,    /* 53 */
+    8.452458495279215e-01,    /* 54 */
+    8.485662368909529e-01,    /* 55 */
+    8.518267941876015e-01,    /* 56 */
+    8.550296394652227e-01,    /* 57 */
+    8.581767802529086e-01,    /* 58 */
+    8.612701211192447e-01,    /* 59 */
+    8.643114705948695e-01,    /* 60 */
+    8.673025475228375e-01,    /* 61 */
+    8.702449868926238e-01,    /* 62 */
+    8.731403452073437e-01,    /* 63 */
+    8.759901054283044e-01,    /* 64 */
+    8.787956815362078e-01,    /* 65 */
+    8.815584227441299e-01,    /* 66 */
+    8.842796173936956e-01,    /* 67 */
+    8.869604965626164e-01,    /* 68 */
+    8.896022374088743e-01,    /* 69 */
+    8.922059662742917e-01,    /* 70 */
+    8.947727615679660e-01,    /* 71 */
+    8.973036564480465e-01,    /* 72 */
+    8.997996413185413e-01,    /* 73 */
+    9.022616661562580e-01,    /* 74 */
+    9.046906426815596e-01,    /* 75 */
+    9.070874463853477e-01,    /* 76 */
+    9.094529184235521e-01,    /* 77 */
+    9.117878673893848e-01,    /* 78 */
+    9.140930709727019e-01,    /* 79 */
+    9.163692775149945e-01,    /* 80 */
+    9.186172074677887e-01,    /* 81 */
+    9.208375547615666e-01,    /* 82 */
+    9.230309880917155e-01,    /* 83 */
+    9.251981521274687e-01,    /* 84 */
+    9.273396686493066e-01,    /* 85 */
+    9.294561376198379e-01,    /* 86 */
+    9.315481381927757e-01,    /* 87 */
+    9.336162296642549e-01,    /* 88 */
+    9.356609523703983e-01,    /* 89 */
+    9.376828285347367e-01,    /* 90 */
+    9.396823630688069e-01,    /* 91 */
+    9.416600443289993e-01,    /* 92 */
+    9.436163448324909e-01,    /* 93 */
+    9.455517219348925e-01,    /* 94 */
+    9.474666184720378e-01,    /* 95 */
+    9.493614633681715e-01,    /* 96 */
+    9.512366722126200e-01,    /* 97 */
+    9.530926478068908e-01,    /* 98 */
+    9.549297806839971e-01,    /* 99 */
+    9.567484496016846e-01,    /* 100 */
+    9.585490220111190e-01,    /* 101 */
+    9.603318545024836e-01,    /* 102 */
+    9.620972932288397e-01,    /* 103 */
+    9.638456743095097e-01,    /* 104 */
+    9.655773242141589e-01,    /* 105 */
+    9.672925601286723e-01,    /* 106 */
+    9.689916903038553e-01,    /* 107 */
+    9.706750143879137e-01,    /* 108 */
+    9.723428237436111e-01,    /* 109 */
+    9.739954017509451e-01,    /* 110 */
+    9.756330240961253e-01,    /* 111 */
+    9.772559590475937e-01,    /* 112 */
+    9.788644677197762e-01,    /* 113 */
+    9.804588043252149e-01,    /* 114 */
+    9.820392164156895e-01,    /* 115 */
+    9.836059451129007e-01,    /* 116 */
+    9.851592253292520e-01,    /* 117 */
+    9.866992859792368e-01,    /* 118 */
+    9.882263501819057e-01,    /* 119 */
+    9.897406354548617e-01,    /* 120 */
+    9.912423539002055e-01,    /* 121 */
+    9.927317123828298e-01,    /* 122 */
+    9.942089127014337e-01,    /* 123 */
+    9.956741517526159e-01,    /* 124 */
+    9.971276216883748e-01,    /* 125 */
+    9.985695100673359e-01,    /* 126 */
+    1.000000000000000e+00,    /* 127 */
+};
+
+static const fluid_real_t fluid_pan_tab[1002] = {
+    0.000000000000000e+00,    /* 0 */
+    1.569226455665206e-03,    /* 1 */
+    3.138449047152344e-03,    /* 2 */
+    4.707663910292860e-03,    /* 3 */
+    6.276867180937232e-03,    /* 4 */
+    7.846054994964486e-03,    /* 5 */
+    9.415223488291704e-03,    /* 6 */
+    1.098436879688355e-02,    /* 7 */
+    1.255348705676178e-02,    /* 8 */
+    1.412257440401476e-02,    /* 9 */
+    1.569162697480695e-02,    /* 10 */
+    1.726064090538850e-02,    /* 11 */
+    1.882961233210465e-02,    /* 12 */
+    2.039853739140535e-02,    /* 13 */
+    2.196741221985471e-02,    /* 14 */
+    2.353623295414053e-02,    /* 15 */
+    2.510499573108383e-02,    /* 16 */
+    2.667369668764832e-02,    /* 17 */
+    2.824233196094998e-02,    /* 18 */
+    2.981089768826650e-02,    /* 19 */
+    3.137939000704683e-02,    /* 20 */
+    3.294780505492070e-02,    /* 21 */
+    3.451613896970813e-02,    /* 22 */
+    3.608438788942888e-02,    /* 23 */
+    3.765254795231206e-02,    /* 24 */
+    3.922061529680555e-02,    /* 25 */
+    4.078858606158557e-02,    /* 26 */
+    4.235645638556616e-02,    /* 27 */
+    4.392422240790868e-02,    /* 28 */
+    4.549188026803134e-02,    /* 29 */
+    4.705942610561871e-02,    /* 30 */
+    4.862685606063118e-02,    /* 31 */
+    5.019416627331453e-02,    /* 32 */
+    5.176135288420938e-02,    /* 33 */
+    5.332841203416073e-02,    /* 34 */
+    5.489533986432744e-02,    /* 35 */
+    5.646213251619175e-02,    /* 36 */
+    5.802878613156876e-02,    /* 37 */
+    5.959529685261596e-02,    /* 38 */
+    6.116166082184270e-02,    /* 39 */
+    6.272787418211971e-02,    /* 40 */
+    6.429393307668860e-02,    /* 41 */
+    6.585983364917131e-02,    /* 42 */
+    6.742557204357968e-02,    /* 43 */
+    6.899114440432493e-02,    /* 44 */
+    7.055654687622705e-02,    /* 45 */
+    7.212177560452446e-02,    /* 46 */
+    7.368682673488337e-02,    /* 47 */
+    7.525169641340737e-02,    /* 48 */
+    7.681638078664681e-02,    /* 49 */
+    7.838087600160838e-02,    /* 50 */
+    7.994517820576458e-02,    /* 51 */
+    8.150928354706316e-02,    /* 52 */
+    8.307318817393668e-02,    /* 53 */
+    8.463688823531192e-02,    /* 54 */
+    8.620037988061939e-02,    /* 55 */
+    8.776365925980288e-02,    /* 56 */
+    8.932672252332881e-02,    /* 57 */
+    9.088956582219582e-02,    /* 58 */
+    9.245218530794418e-02,    /* 59 */
+    9.401457713266531e-02,    /* 60 */
+    9.557673744901124e-02,    /* 61 */
+    9.713866241020409e-02,    /* 62 */
+    9.870034817004553e-02,    /* 63 */
+    1.002617908829262e-01,    /* 64 */
+    1.018229867038354e-01,    /* 65 */
+    1.033839317883702e-01,    /* 66 */
+    1.049446222927451e-01,    /* 67 */
+    1.065050543738018e-01,    /* 68 */
+    1.080652241890180e-01,    /* 69 */
+    1.096251278965173e-01,    /* 70 */
+    1.111847616550789e-01,    /* 71 */
+    1.127441216241462e-01,    /* 72 */
+    1.143032039638373e-01,    /* 73 */
+    1.158620048349536e-01,    /* 74 */
+    1.174205203989899e-01,    /* 75 */
+    1.189787468181433e-01,    /* 76 */
+    1.205366802553230e-01,    /* 77 */
+    1.220943168741599e-01,    /* 78 */
+    1.236516528390153e-01,    /* 79 */
+    1.252086843149914e-01,    /* 80 */
+    1.267654074679397e-01,    /* 81 */
+    1.283218184644714e-01,    /* 82 */
+    1.298779134719661e-01,    /* 83 */
+    1.314336886585815e-01,    /* 84 */
+    1.329891401932629e-01,    /* 85 */
+    1.345442642457527e-01,    /* 86 */
+    1.360990569865997e-01,    /* 87 */
+    1.376535145871682e-01,    /* 88 */
+    1.392076332196483e-01,    /* 89 */
+    1.407614090570644e-01,    /* 90 */
+    1.423148382732851e-01,    /* 91 */
+    1.438679170430328e-01,    /* 92 */
+    1.454206415418926e-01,    /* 93 */
+    1.469730079463220e-01,    /* 94 */
+    1.485250124336605e-01,    /* 95 */
+    1.500766511821384e-01,    /* 96 */
+    1.516279203708872e-01,    /* 97 */
+    1.531788161799479e-01,    /* 98 */
+    1.547293347902812e-01,    /* 99 */
+    1.562794723837767e-01,    /* 100 */
+    1.578292251432621e-01,    /* 101 */
+    1.593785892525127e-01,    /* 102 */
+    1.609275608962610e-01,    /* 103 */
+    1.624761362602058e-01,    /* 104 */
+    1.640243115310219e-01,    /* 105 */
+    1.655720828963691e-01,    /* 106 */
+    1.671194465449020e-01,    /* 107 */
+    1.686663986662791e-01,    /* 108 */
+    1.702129354511722e-01,    /* 109 */
+    1.717590530912760e-01,    /* 110 */
+    1.733047477793173e-01,    /* 111 */
+    1.748500157090643e-01,    /* 112 */
+    1.763948530753363e-01,    /* 113 */
+    1.779392560740125e-01,    /* 114 */
+    1.794832209020421e-01,    /* 115 */
+    1.810267437574530e-01,    /* 116 */
+    1.825698208393617e-01,    /* 117 */
+    1.841124483479821e-01,    /* 118 */
+    1.856546224846354e-01,    /* 119 */
+    1.871963394517592e-01,    /* 120 */
+    1.887375954529167e-01,    /* 121 */
+    1.902783866928064e-01,    /* 122 */
+    1.918187093772711e-01,    /* 123 */
+    1.933585597133076e-01,    /* 124 */
+    1.948979339090757e-01,    /* 125 */
+    1.964368281739078e-01,    /* 126 */
+    1.979752387183178e-01,    /* 127 */
+    1.995131617540112e-01,    /* 128 */
+    2.010505934938938e-01,    /* 129 */
+    2.025875301520809e-01,    /* 130 */
+    2.041239679439075e-01,    /* 131 */
+    2.056599030859366e-01,    /* 132 */
+    2.071953317959691e-01,    /* 133 */
+    2.087302502930529e-01,    /* 134 */
+    2.102646547974925e-01,    /* 135 */
+    2.117985415308578e-01,    /* 136 */
+    2.133319067159940e-01,    /* 137 */
+    2.148647465770304e-01,    /* 138 */
+    2.163970573393899e-01,    /* 139 */
+    2.179288352297983e-01,    /* 140 */
+    2.194600764762938e-01,    /* 141 */
+    2.209907773082357e-01,    /* 142 */
+    2.225209339563144e-01,    /* 143 */
+    2.240505426525601e-01,    /* 144 */
+    2.255795996303523e-01,    /* 145 */
+    2.271081011244294e-01,    /* 146 */
+    2.286360433708974e-01,    /* 147 */
+    2.301634226072393e-01,    /* 148 */
+    2.316902350723250e-01,    /* 149 */
+    2.332164770064195e-01,    /* 150 */
+    2.347421446511931e-01,    /* 151 */
+    2.362672342497300e-01,    /* 152 */
+    2.377917420465381e-01,    /* 153 */
+    2.393156642875578e-01,    /* 154 */
+    2.408389972201713e-01,    /* 155 */
+    2.423617370932123e-01,    /* 156 */
+    2.438838801569746e-01,    /* 157 */
+    2.454054226632218e-01,    /* 158 */
+    2.469263608651961e-01,    /* 159 */
+    2.484466910176281e-01,    /* 160 */
+    2.499664093767456e-01,    /* 161 */
+    2.514855122002828e-01,    /* 162 */
+    2.530039957474898e-01,    /* 163 */
+    2.545218562791415e-01,    /* 164 */
+    2.560390900575471e-01,    /* 165 */
+    2.575556933465591e-01,    /* 166 */
+    2.590716624115826e-01,    /* 167 */
+    2.605869935195844e-01,    /* 168 */
+    2.621016829391022e-01,    /* 169 */
+    2.636157269402540e-01,    /* 170 */
+    2.651291217947471e-01,    /* 171 */
+    2.666418637758871e-01,    /* 172 */
+    2.681539491585876e-01,    /* 173 */
+    2.696653742193788e-01,    /* 174 */
+    2.711761352364170e-01,    /* 175 */
+    2.726862284894938e-01,    /* 176 */
+    2.741956502600449e-01,    /* 177 */
+    2.757043968311598e-01,    /* 178 */
+    2.772124644875906e-01,    /* 179 */
+    2.787198495157609e-01,    /* 180 */
+    2.802265482037756e-01,    /* 181 */
+    2.817325568414297e-01,    /* 182 */
+    2.832378717202171e-01,    /* 183 */
+    2.847424891333405e-01,    /* 184 */
+    2.862464053757197e-01,    /* 185 */
+    2.877496167440013e-01,    /* 186 */
+    2.892521195365677e-01,    /* 187 */
+    2.907539100535459e-01,    /* 188 */
+    2.922549845968172e-01,    /* 189 */
+    2.937553394700257e-01,    /* 190 */
+    2.952549709785878e-01,    /* 191 */
+    2.967538754297011e-01,    /* 192 */
+    2.982520491323535e-01,    /* 193 */
+    2.997494883973326e-01,    /* 194 */
+    3.012461895372343e-01,    /* 195 */
+    3.027421488664720e-01,    /* 196 */
+    3.042373627012863e-01,    /* 197 */
+    3.057318273597529e-01,    /* 198 */
+    3.072255391617928e-01,    /* 199 */
+    3.087184944291808e-01,    /* 200 */
+    3.102106894855545e-01,    /* 201 */
+    3.117021206564237e-01,    /* 202 */
+    3.131927842691789e-01,    /* 203 */
+    3.146826766531011e-01,    /* 204 */
+    3.161717941393703e-01,    /* 205 */
+    3.176601330610745e-01,    /* 206 */
+    3.191476897532191e-01,    /* 207 */
+    3.206344605527355e-01,    /* 208 */
+    3.221204417984906e-01,    /* 209 */
+    3.236056298312954e-01,    /* 210 */
+    3.250900209939143e-01,    /* 211 */
+    3.265736116310736e-01,    /* 212 */
+    3.280563980894714e-01,    /* 213 */
+    3.295383767177856e-01,    /* 214 */
+    3.310195438666838e-01,    /* 215 */
+    3.324998958888314e-01,    /* 216 */
+    3.339794291389013e-01,    /* 217 */
+    3.354581399735826e-01,    /* 218 */
+    3.369360247515896e-01,    /* 219 */
+    3.384130798336704e-01,    /* 220 */
+    3.398893015826167e-01,    /* 221 */
+    3.413646863632719e-01,    /* 222 */
+    3.428392305425407e-01,    /* 223 */
+    3.443129304893974e-01,    /* 224 */
+    3.457857825748955e-01,    /* 225 */
+    3.472577831721762e-01,    /* 226 */
+    3.487289286564775e-01,    /* 227 */
+    3.501992154051431e-01,    /* 228 */
+    3.516686397976314e-01,    /* 229 */
+    3.531371982155241e-01,    /* 230 */
+    3.546048870425356e-01,    /* 231 */
+    3.560717026645214e-01,    /* 232 */
+    3.575376414694875e-01,    /* 233 */
+    3.590026998475987e-01,    /* 234 */
+    3.604668741911882e-01,    /* 235 */
+    3.619301608947658e-01,    /* 236 */
+    3.633925563550274e-01,    /* 237 */
+    3.648540569708633e-01,    /* 238 */
+    3.663146591433675e-01,    /* 239 */
+    3.677743592758461e-01,    /* 240 */
+    3.692331537738269e-01,    /* 241 */
+    3.706910390450675e-01,    /* 242 */
+    3.721480114995644e-01,    /* 243 */
+    3.736040675495622e-01,    /* 244 */
+    3.750592036095618e-01,    /* 245 */
+    3.765134160963297e-01,    /* 246 */
+    3.779667014289065e-01,    /* 247 */
+    3.794190560286163e-01,    /* 248 */
+    3.808704763190747e-01,    /* 249 */
+    3.823209587261981e-01,    /* 250 */
+    3.837704996782126e-01,    /* 251 */
+    3.852190956056624e-01,    /* 252 */
+    3.866667429414188e-01,    /* 253 */
+    3.881134381206892e-01,    /* 254 */
+    3.895591775810255e-01,    /* 255 */
+    3.910039577623329e-01,    /* 256 */
+    3.924477751068791e-01,    /* 257 */
+    3.938906260593025e-01,    /* 258 */
+    3.953325070666214e-01,    /* 259 */
+    3.967734145782425e-01,    /* 260 */
+    3.982133450459696e-01,    /* 261 */
+    3.996522949240126e-01,    /* 262 */
+    4.010902606689959e-01,    /* 263 */
+    4.025272387399675e-01,    /* 264 */
+    4.039632255984075e-01,    /* 265 */
+    4.053982177082366e-01,    /* 266 */
+    4.068322115358254e-01,    /* 267 */
+    4.082652035500025e-01,    /* 268 */
+    4.096971902220634e-01,    /* 269 */
+    4.111281680257793e-01,    /* 270 */
+    4.125581334374058e-01,    /* 271 */
+    4.139870829356915e-01,    /* 272 */
+    4.154150130018864e-01,    /* 273 */
+    4.168419201197511e-01,    /* 274 */
+    4.182678007755651e-01,    /* 275 */
+    4.196926514581356e-01,    /* 276 */
+    4.211164686588058e-01,    /* 277 */
+    4.225392488714641e-01,    /* 278 */
+    4.239609885925524e-01,    /* 279 */
+    4.253816843210749e-01,    /* 280 */
+    4.268013325586062e-01,    /* 281 */
+    4.282199298093007e-01,    /* 282 */
+    4.296374725799008e-01,    /* 283 */
+    4.310539573797453e-01,    /* 284 */
+    4.324693807207784e-01,    /* 285 */
+    4.338837391175581e-01,    /* 286 */
+    4.352970290872648e-01,    /* 287 */
+    4.367092471497098e-01,    /* 288 */
+    4.381203898273440e-01,    /* 289 */
+    4.395304536452664e-01,    /* 290 */
+    4.409394351312327e-01,    /* 291 */
+    4.423473308156637e-01,    /* 292 */
+    4.437541372316541e-01,    /* 293 */
+    4.451598509149808e-01,    /* 294 */
+    4.465644684041115e-01,    /* 295 */
+    4.479679862402133e-01,    /* 296 */
+    4.493704009671613e-01,    /* 297 */
+    4.507717091315467e-01,    /* 298 */
+    4.521719072826857e-01,    /* 299 */
+    4.535709919726280e-01,    /* 300 */
+    4.549689597561650e-01,    /* 301 */
+    4.563658071908386e-01,    /* 302 */
+    4.577615308369494e-01,    /* 303 */
+    4.591561272575653e-01,    /* 304 */
+    4.605495930185300e-01,    /* 305 */
+    4.619419246884716e-01,    /* 306 */
+    4.633331188388105e-01,    /* 307 */
+    4.647231720437685e-01,    /* 308 */
+    4.661120808803769e-01,    /* 309 */
+    4.674998419284848e-01,    /* 310 */
+    4.688864517707680e-01,    /* 311 */
+    4.702719069927368e-01,    /* 312 */
+    4.716562041827449e-01,    /* 313 */
+    4.730393399319976e-01,    /* 314 */
+    4.744213108345603e-01,    /* 315 */
+    4.758021134873666e-01,    /* 316 */
+    4.771817444902270e-01,    /* 317 */
+    4.785602004458372e-01,    /* 318 */
+    4.799374779597863e-01,    /* 319 */
+    4.813135736405654e-01,    /* 320 */
+    4.826884840995759e-01,    /* 321 */
+    4.840622059511374e-01,    /* 322 */
+    4.854347358124969e-01,    /* 323 */
+    4.868060703038363e-01,    /* 324 */
+    4.881762060482813e-01,    /* 325 */
+    4.895451396719092e-01,    /* 326 */
+    4.909128678037579e-01,    /* 327 */
+    4.922793870758333e-01,    /* 328 */
+    4.936446941231185e-01,    /* 329 */
+    4.950087855835814e-01,    /* 330 */
+    4.963716580981834e-01,    /* 331 */
+    4.977333083108875e-01,    /* 332 */
+    4.990937328686666e-01,    /* 333 */
+    5.004529284215117e-01,    /* 334 */
+    5.018108916224401e-01,    /* 335 */
+    5.031676191275039e-01,    /* 336 */
+    5.045231075957979e-01,    /* 337 */
+    5.058773536894682e-01,    /* 338 */
+    5.072303540737202e-01,    /* 339 */
+    5.085821054168265e-01,    /* 340 */
+    5.099326043901359e-01,    /* 341 */
+    5.112818476680807e-01,    /* 342 */
+    5.126298319281856e-01,    /* 343 */
+    5.139765538510755e-01,    /* 344 */
+    5.153220101204837e-01,    /* 345 */
+    5.166661974232605e-01,    /* 346 */
+    5.180091124493803e-01,    /* 347 */
+    5.193507518919511e-01,    /* 348 */
+    5.206911124472217e-01,    /* 349 */
+    5.220301908145902e-01,    /* 350 */
+    5.233679836966120e-01,    /* 351 */
+    5.247044877990080e-01,    /* 352 */
+    5.260396998306727e-01,    /* 353 */
+    5.273736165036822e-01,    /* 354 */
+    5.287062345333027e-01,    /* 355 */
+    5.300375506379977e-01,    /* 356 */
+    5.313675615394372e-01,    /* 357 */
+    5.326962639625050e-01,    /* 358 */
+    5.340236546353070e-01,    /* 359 */
+    5.353497302891792e-01,    /* 360 */
+    5.366744876586959e-01,    /* 361 */
+    5.379979234816776e-01,    /* 362 */
+    5.393200344991992e-01,    /* 363 */
+    5.406408174555976e-01,    /* 364 */
+    5.419602690984802e-01,    /* 365 */
+    5.432783861787328e-01,    /* 366 */
+    5.445951654505273e-01,    /* 367 */
+    5.459106036713303e-01,    /* 368 */
+    5.472246976019102e-01,    /* 369 */
+    5.485374440063460e-01,    /* 370 */
+    5.498488396520349e-01,    /* 371 */
+    5.511588813097004e-01,    /* 372 */
+    5.524675657533998e-01,    /* 373 */
+    5.537748897605330e-01,    /* 374 */
+    5.550808501118496e-01,    /* 375 */
+    5.563854435914573e-01,    /* 376 */
+    5.576886669868294e-01,    /* 377 */
+    5.589905170888135e-01,    /* 378 */
+    5.602909906916385e-01,    /* 379 */
+    5.615900845929231e-01,    /* 380 */
+    5.628877955936834e-01,    /* 381 */
+    5.641841204983408e-01,    /* 382 */
+    5.654790561147299e-01,    /* 383 */
+    5.667725992541067e-01,    /* 384 */
+    5.680647467311558e-01,    /* 385 */
+    5.693554953639987e-01,    /* 386 */
+    5.706448419742013e-01,    /* 387 */
+    5.719327833867824e-01,    /* 388 */
+    5.732193164302208e-01,    /* 389 */
+    5.745044379364633e-01,    /* 390 */
+    5.757881447409327e-01,    /* 391 */
+    5.770704336825352e-01,    /* 392 */
+    5.783513016036690e-01,    /* 393 */
+    5.796307453502310e-01,    /* 394 */
+    5.809087617716252e-01,    /* 395 */
+    5.821853477207707e-01,    /* 396 */
+    5.834605000541085e-01,    /* 397 */
+    5.847342156316105e-01,    /* 398 */
+    5.860064913167862e-01,    /* 399 */
+    5.872773239766905e-01,    /* 400 */
+    5.885467104819324e-01,    /* 401 */
+    5.898146477066816e-01,    /* 402 */
+    5.910811325286766e-01,    /* 403 */
+    5.923461618292324e-01,    /* 404 */
+    5.936097324932486e-01,    /* 405 */
+    5.948718414092160e-01,    /* 406 */
+    5.961324854692254e-01,    /* 407 */
+    5.973916615689745e-01,    /* 408 */
+    5.986493666077760e-01,    /* 409 */
+    5.999055974885650e-01,    /* 410 */
+    6.011603511179066e-01,    /* 411 */
+    6.024136244060035e-01,    /* 412 */
+    6.036654142667041e-01,    /* 413 */
+    6.049157176175093e-01,    /* 414 */
+    6.061645313795805e-01,    /* 415 */
+    6.074118524777475e-01,    /* 416 */
+    6.086576778405154e-01,    /* 417 */
+    6.099020044000728e-01,    /* 418 */
+    6.111448290922987e-01,    /* 419 */
+    6.123861488567709e-01,    /* 420 */
+    6.136259606367725e-01,    /* 421 */
+    6.148642613793004e-01,    /* 422 */
+    6.161010480350722e-01,    /* 423 */
+    6.173363175585338e-01,    /* 424 */
+    6.185700669078673e-01,    /* 425 */
+    6.198022930449979e-01,    /* 426 */
+    6.210329929356019e-01,    /* 427 */
+    6.222621635491136e-01,    /* 428 */
+    6.234898018587335e-01,    /* 429 */
+    6.247159048414351e-01,    /* 430 */
+    6.259404694779729e-01,    /* 431 */
+    6.271634927528890e-01,    /* 432 */
+    6.283849716545215e-01,    /* 433 */
+    6.296049031750114e-01,    /* 434 */
+    6.308232843103100e-01,    /* 435 */
+    6.320401120601865e-01,    /* 436 */
+    6.332553834282351e-01,    /* 437 */
+    6.344690954218827e-01,    /* 438 */
+    6.356812450523961e-01,    /* 439 */
+    6.368918293348892e-01,    /* 440 */
+    6.381008452883308e-01,    /* 441 */
+    6.393082899355514e-01,    /* 442 */
+    6.405141603032511e-01,    /* 443 */
+    6.417184534220064e-01,    /* 444 */
+    6.429211663262777e-01,    /* 445 */
+    6.441222960544168e-01,    /* 446 */
+    6.453218396486741e-01,    /* 447 */
+    6.465197941552053e-01,    /* 448 */
+    6.477161566240798e-01,    /* 449 */
+    6.489109241092871e-01,    /* 450 */
+    6.501040936687442e-01,    /* 451 */
+    6.512956623643031e-01,    /* 452 */
+    6.524856272617580e-01,    /* 453 */
+    6.536739854308520e-01,    /* 454 */
+    6.548607339452850e-01,    /* 455 */
+    6.560458698827208e-01,    /* 456 */
+    6.572293903247938e-01,    /* 457 */
+    6.584112923571166e-01,    /* 458 */
+    6.595915730692873e-01,    /* 459 */
+    6.607702295548961e-01,    /* 460 */
+    6.619472589115332e-01,    /* 461 */
+    6.631226582407952e-01,    /* 462 */
+    6.642964246482929e-01,    /* 463 */
+    6.654685552436579e-01,    /* 464 */
+    6.666390471405501e-01,    /* 465 */
+    6.678078974566646e-01,    /* 466 */
+    6.689751033137388e-01,    /* 467 */
+    6.701406618375595e-01,    /* 468 */
+    6.713045701579703e-01,    /* 469 */
+    6.724668254088779e-01,    /* 470 */
+    6.736274247282602e-01,    /* 471 */
+    6.747863652581724e-01,    /* 472 */
+    6.759436441447543e-01,    /* 473 */
+    6.770992585382379e-01,    /* 474 */
+    6.782532055929538e-01,    /* 475 */
+    6.794054824673382e-01,    /* 476 */
+    6.805560863239402e-01,    /* 477 */
+    6.817050143294286e-01,    /* 478 */
+    6.828522636545991e-01,    /* 479 */
+    6.839978314743810e-01,    /* 480 */
+    6.851417149678442e-01,    /* 481 */
+    6.862839113182062e-01,    /* 482 */
+    6.874244177128394e-01,    /* 483 */
+    6.885632313432770e-01,    /* 484 */
+    6.897003494052213e-01,    /* 485 */
+    6.908357690985494e-01,    /* 486 */
+    6.919694876273208e-01,    /* 487 */
+    6.931015021997841e-01,    /* 488 */
+    6.942318100283835e-01,    /* 489 */
+    6.953604083297665e-01,    /* 490 */
+    6.964872943247901e-01,    /* 491 */
+    6.976124652385276e-01,    /* 492 */
+    6.987359183002758e-01,    /* 493 */
+    6.998576507435618e-01,    /* 494 */
+    7.009776598061495e-01,    /* 495 */
+    7.020959427300464e-01,    /* 496 */
+    7.032124967615111e-01,    /* 497 */
+    7.043273191510590e-01,    /* 498 */
+    7.054404071534700e-01,    /* 499 */
+    7.065517580277947e-01,    /* 500 */
+    7.076613690373614e-01,    /* 501 */
+    7.087692374497827e-01,    /* 502 */
+    7.098753605369623e-01,    /* 503 */
+    7.109797355751019e-01,    /* 504 */
+    7.120823598447074e-01,    /* 505 */
+    7.131832306305962e-01,    /* 506 */
+    7.142823452219036e-01,    /* 507 */
+    7.153797009120892e-01,    /* 508 */
+    7.164752949989442e-01,    /* 509 */
+    7.175691247845974e-01,    /* 510 */
+    7.186611875755224e-01,    /* 511 */
+    7.197514806825439e-01,    /* 512 */
+    7.208400014208443e-01,    /* 513 */
+    7.219267471099703e-01,    /* 514 */
+    7.230117150738400e-01,    /* 515 */
+    7.240949026407488e-01,    /* 516 */
+    7.251763071433764e-01,    /* 517 */
+    7.262559259187933e-01,    /* 518 */
+    7.273337563084670e-01,    /* 519 */
+    7.284097956582691e-01,    /* 520 */
+    7.294840413184817e-01,    /* 521 */
+    7.305564906438036e-01,    /* 522 */
+    7.316271409933570e-01,    /* 523 */
+    7.326959897306943e-01,    /* 524 */
+    7.337630342238040e-01,    /* 525 */
+    7.348282718451178e-01,    /* 526 */
+    7.358916999715164e-01,    /* 527 */
+    7.369533159843368e-01,    /* 528 */
+    7.380131172693778e-01,    /* 529 */
+    7.390711012169073e-01,    /* 530 */
+    7.401272652216682e-01,    /* 531 */
+    7.411816066828849e-01,    /* 532 */
+    7.422341230042699e-01,    /* 533 */
+    7.432848115940299e-01,    /* 534 */
+    7.443336698648725e-01,    /* 535 */
+    7.453806952340122e-01,    /* 536 */
+    7.464258851231773e-01,    /* 537 */
+    7.474692369586156e-01,    /* 538 */
+    7.485107481711011e-01,    /* 539 */
+    7.495504161959405e-01,    /* 540 */
+    7.505882384729792e-01,    /* 541 */
+    7.516242124466075e-01,    /* 542 */
+    7.526583355657674e-01,    /* 543 */
+    7.536906052839586e-01,    /* 544 */
+    7.547210190592443e-01,    /* 545 */
+    7.557495743542583e-01,    /* 546 */
+    7.567762686362108e-01,    /* 547 */
+    7.578010993768947e-01,    /* 548 */
+    7.588240640526916e-01,    /* 549 */
+    7.598451601445788e-01,    /* 550 */
+    7.608643851381341e-01,    /* 551 */
+    7.618817365235437e-01,    /* 552 */
+    7.628972117956068e-01,    /* 553 */
+    7.639108084537428e-01,    /* 554 */
+    7.649225240019972e-01,    /* 555 */
+    7.659323559490476e-01,    /* 556 */
+    7.669403018082099e-01,    /* 557 */
+    7.679463590974444e-01,    /* 558 */
+    7.689505253393620e-01,    /* 559 */
+    7.699527980612303e-01,    /* 560 */
+    7.709531747949796e-01,    /* 561 */
+    7.719516530772089e-01,    /* 562 */
+    7.729482304491924e-01,    /* 563 */
+    7.739429044568850e-01,    /* 564 */
+    7.749356726509284e-01,    /* 565 */
+    7.759265325866578e-01,    /* 566 */
+    7.769154818241071e-01,    /* 567 */
+    7.779025179280153e-01,    /* 568 */
+    7.788876384678325e-01,    /* 569 */
+    7.798708410177257e-01,    /* 570 */
+    7.808521231565851e-01,    /* 571 */
+    7.818314824680298e-01,    /* 572 */
+    7.828089165404135e-01,    /* 573 */
+    7.837844229668313e-01,    /* 574 */
+    7.847579993451246e-01,    /* 575 */
+    7.857296432778876e-01,    /* 576 */
+    7.866993523724733e-01,    /* 577 */
+    7.876671242409992e-01,    /* 578 */
+    7.886329565003528e-01,    /* 579 */
+    7.895968467721981e-01,    /* 580 */
+    7.905587926829811e-01,    /* 581 */
+    7.915187918639360e-01,    /* 582 */
+    7.924768419510904e-01,    /* 583 */
+    7.934329405852717e-01,    /* 584 */
+    7.943870854121126e-01,    /* 585 */
+    7.953392740820571e-01,    /* 586 */
+    7.962895042503660e-01,    /* 587 */
+    7.972377735771232e-01,    /* 588 */
+    7.981840797272409e-01,    /* 589 */
+    7.991284203704654e-01,    /* 590 */
+    8.000707931813833e-01,    /* 591 */
+    8.010111958394268e-01,    /* 592 */
+    8.019496260288795e-01,    /* 593 */
+    8.028860814388824e-01,    /* 594 */
+    8.038205597634391e-01,    /* 595 */
+    8.047530587014217e-01,    /* 596 */
+    8.056835759565766e-01,    /* 597 */
+    8.066121092375300e-01,    /* 598 */
+    8.075386562577938e-01,    /* 599 */
+    8.084632147357704e-01,    /* 600 */
+    8.093857823947597e-01,    /* 601 */
+    8.103063569629634e-01,    /* 602 */
+    8.112249361734913e-01,    /* 603 */
+    8.121415177643669e-01,    /* 604 */
+    8.130560994785324e-01,    /* 605 */
+    8.139686790638551e-01,    /* 606 */
+    8.148792542731320e-01,    /* 607 */
+    8.157878228640961e-01,    /* 608 */
+    8.166943825994217e-01,    /* 609 */
+    8.175989312467298e-01,    /* 610 */
+    8.185014665785935e-01,    /* 611 */
+    8.194019863725437e-01,    /* 612 */
+    8.203004884110747e-01,    /* 613 */
+    8.211969704816493e-01,    /* 614 */
+    8.220914303767043e-01,    /* 615 */
+    8.229838658936564e-01,    /* 616 */
+    8.238742748349069e-01,    /* 617 */
+    8.247626550078477e-01,    /* 618 */
+    8.256490042248665e-01,    /* 619 */
+    8.265333203033521e-01,    /* 620 */
+    8.274156010656999e-01,    /* 621 */
+    8.282958443393171e-01,    /* 622 */
+    8.291740479566283e-01,    /* 623 */
+    8.300502097550806e-01,    /* 624 */
+    8.309243275771491e-01,    /* 625 */
+    8.317963992703420e-01,    /* 626 */
+    8.326664226872064e-01,    /* 627 */
+    8.335343956853326e-01,    /* 628 */
+    8.344003161273608e-01,    /* 629 */
+    8.352641818809847e-01,    /* 630 */
+    8.361259908189583e-01,    /* 631 */
+    8.369857408191002e-01,    /* 632 */
+    8.378434297642989e-01,    /* 633 */
+    8.386990555425186e-01,    /* 634 */
+    8.395526160468036e-01,    /* 635 */
+    8.404041091752841e-01,    /* 636 */
+    8.412535328311811e-01,    /* 637 */
+    8.421008849228117e-01,    /* 638 */
+    8.429461633635940e-01,    /* 639 */
+    8.437893660720525e-01,    /* 640 */
+    8.446304909718232e-01,    /* 641 */
+    8.454695359916585e-01,    /* 642 */
+    8.463064990654326e-01,    /* 643 */
+    8.471413781321465e-01,    /* 644 */
+    8.479741711359327e-01,    /* 645 */
+    8.488048760260607e-01,    /* 646 */
+    8.496334907569423e-01,    /* 647 */
+    8.504600132881356e-01,    /* 648 */
+    8.512844415843511e-01,    /* 649 */
+    8.521067736154565e-01,    /* 650 */
+    8.529270073564810e-01,    /* 651 */
+    8.537451407876209e-01,    /* 652 */
+    8.545611718942447e-01,    /* 653 */
+    8.553750986668979e-01,    /* 654 */
+    8.561869191013073e-01,    /* 655 */
+    8.569966311983869e-01,    /* 656 */
+    8.578042329642425e-01,    /* 657 */
+    8.586097224101764e-01,    /* 658 */
+    8.594130975526924e-01,    /* 659 */
+    8.602143564135006e-01,    /* 660 */
+    8.610134970195229e-01,    /* 661 */
+    8.618105174028966e-01,    /* 662 */
+    8.626054156009807e-01,    /* 663 */
+    8.633981896563595e-01,    /* 664 */
+    8.641888376168482e-01,    /* 665 */
+    8.649773575354974e-01,    /* 666 */
+    8.657637474705979e-01,    /* 667 */
+    8.665480054856857e-01,    /* 668 */
+    8.673301296495464e-01,    /* 669 */
+    8.681101180362202e-01,    /* 670 */
+    8.688879687250065e-01,    /* 671 */
+    8.696636798004691e-01,    /* 672 */
+    8.704372493524400e-01,    /* 673 */
+    8.712086754760252e-01,    /* 674 */
+    8.719779562716083e-01,    /* 675 */
+    8.727450898448561e-01,    /* 676 */
+    8.735100743067228e-01,    /* 677 */
+    8.742729077734545e-01,    /* 678 */
+    8.750335883665944e-01,    /* 679 */
+    8.757921142129869e-01,    /* 680 */
+    8.765484834447824e-01,    /* 681 */
+    8.773026941994420e-01,    /* 682 */
+    8.780547446197419e-01,    /* 683 */
+    8.788046328537781e-01,    /* 684 */
+    8.795523570549709e-01,    /* 685 */
+    8.802979153820697e-01,    /* 686 */
+    8.810413059991569e-01,    /* 687 */
+    8.817825270756531e-01,    /* 688 */
+    8.825215767863213e-01,    /* 689 */
+    8.832584533112713e-01,    /* 690 */
+    8.839931548359646e-01,    /* 691 */
+    8.847256795512183e-01,    /* 692 */
+    8.854560256532099e-01,    /* 693 */
+    8.861841913434817e-01,    /* 694 */
+    8.869101748289453e-01,    /* 695 */
+    8.876339743218858e-01,    /* 696 */
+    8.883555880399664e-01,    /* 697 */
+    8.890750142062326e-01,    /* 698 */
+    8.897922510491166e-01,    /* 699 */
+    8.905072968024423e-01,    /* 700 */
+    8.912201497054284e-01,    /* 701 */
+    8.919308080026938e-01,    /* 702 */
+    8.926392699442616e-01,    /* 703 */
+    8.933455337855631e-01,    /* 704 */
+    8.940495977874426e-01,    /* 705 */
+    8.947514602161615e-01,    /* 706 */
+    8.954511193434023e-01,    /* 707 */
+    8.961485734462731e-01,    /* 708 */
+    8.968438208073118e-01,    /* 709 */
+    8.975368597144907e-01,    /* 710 */
+    8.982276884612198e-01,    /* 711 */
+    8.989163053463520e-01,    /* 712 */
+    8.996027086741867e-01,    /* 713 */
+    9.002868967544739e-01,    /* 714 */
+    9.009688679024191e-01,    /* 715 */
+    9.016486204386864e-01,    /* 716 */
+    9.023261526894035e-01,    /* 717 */
+    9.030014629861653e-01,    /* 718 */
+    9.036745496660386e-01,    /* 719 */
+    9.043454110715651e-01,    /* 720 */
+    9.050140455507668e-01,    /* 721 */
+    9.056804514571491e-01,    /* 722 */
+    9.063446271497057e-01,    /* 723 */
+    9.070065709929211e-01,    /* 724 */
+    9.076662813567770e-01,    /* 725 */
+    9.083237566167539e-01,    /* 726 */
+    9.089789951538368e-01,    /* 727 */
+    9.096319953545183e-01,    /* 728 */
+    9.102827556108030e-01,    /* 729 */
+    9.109312743202110e-01,    /* 730 */
+    9.115775498857827e-01,    /* 731 */
+    9.122215807160815e-01,    /* 732 */
+    9.128633652251990e-01,    /* 733 */
+    9.135029018327580e-01,    /* 734 */
+    9.141401889639166e-01,    /* 735 */
+    9.147752250493725e-01,    /* 736 */
+    9.154080085253663e-01,    /* 737 */
+    9.160385378336857e-01,    /* 738 */
+    9.166668114216692e-01,    /* 739 */
+    9.172928277422099e-01,    /* 740 */
+    9.179165852537593e-01,    /* 741 */
+    9.185380824203315e-01,    /* 742 */
+    9.191573177115061e-01,    /* 743 */
+    9.197742896024330e-01,    /* 744 */
+    9.203889965738354e-01,    /* 745 */
+    9.210014371120140e-01,    /* 746 */
+    9.216116097088501e-01,    /* 747 */
+    9.222195128618103e-01,    /* 748 */
+    9.228251450739493e-01,    /* 749 */
+    9.234285048539139e-01,    /* 750 */
+    9.240295907159470e-01,    /* 751 */
+    9.246284011798909e-01,    /* 752 */
+    9.252249347711905e-01,    /* 753 */
+    9.258191900208981e-01,    /* 754 */
+    9.264111654656760e-01,    /* 755 */
+    9.270008596478005e-01,    /* 756 */
+    9.275882711151657e-01,    /* 757 */
+    9.281733984212863e-01,    /* 758 */
+    9.287562401253023e-01,    /* 759 */
+    9.293367947919815e-01,    /* 760 */
+    9.299150609917235e-01,    /* 761 */
+    9.304910373005634e-01,    /* 762 */
+    9.310647223001750e-01,    /* 763 */
+    9.316361145778743e-01,    /* 764 */
+    9.322052127266233e-01,    /* 765 */
+    9.327720153450327e-01,    /* 766 */
+    9.333365210373668e-01,    /* 767 */
+    9.338987284135449e-01,    /* 768 */
+    9.344586360891468e-01,    /* 769 */
+    9.350162426854148e-01,    /* 770 */
+    9.355715468292575e-01,    /* 771 */
+    9.361245471532534e-01,    /* 772 */
+    9.366752422956540e-01,    /* 773 */
+    9.372236309003873e-01,    /* 774 */
+    9.377697116170610e-01,    /* 775 */
+    9.383134831009662e-01,    /* 776 */
+    9.388549440130799e-01,    /* 777 */
+    9.393940930200693e-01,    /* 778 */
+    9.399309287942944e-01,    /* 779 */
+    9.404654500138115e-01,    /* 780 */
+    9.409976553623765e-01,    /* 781 */
+    9.415275435294478e-01,    /* 782 */
+    9.420551132101902e-01,    /* 783 */
+    9.425803631054773e-01,    /* 784 */
+    9.431032919218956e-01,    /* 785 */
+    9.436238983717468e-01,    /* 786 */
+    9.441421811730513e-01,    /* 787 */
+    9.446581390495518e-01,    /* 788 */
+    9.451717707307158e-01,    /* 789 */
+    9.456830749517390e-01,    /* 790 */
+    9.461920504535486e-01,    /* 791 */
+    9.466986959828059e-01,    /* 792 */
+    9.472030102919100e-01,    /* 793 */
+    9.477049921390005e-01,    /* 794 */
+    9.482046402879605e-01,    /* 795 */
+    9.487019535084197e-01,    /* 796 */
+    9.491969305757577e-01,    /* 797 */
+    9.496895702711068e-01,    /* 798 */
+    9.501798713813550e-01,    /* 799 */
+    9.506678326991488e-01,    /* 800 */
+    9.511534530228968e-01,    /* 801 */
+    9.516367311567716e-01,    /* 802 */
+    9.521176659107141e-01,    /* 803 */
+    9.525962561004352e-01,    /* 804 */
+    9.530725005474194e-01,    /* 805 */
+    9.535463980789276e-01,    /* 806 */
+    9.540179475279997e-01,    /* 807 */
+    9.544871477334580e-01,    /* 808 */
+    9.549539975399095e-01,    /* 809 */
+    9.554184957977490e-01,    /* 810 */
+    9.558806413631620e-01,    /* 811 */
+    9.563404330981276e-01,    /* 812 */
+    9.567978698704207e-01,    /* 813 */
+    9.572529505536158e-01,    /* 814 */
+    9.577056740270887e-01,    /* 815 */
+    9.581560391760202e-01,    /* 816 */
+    9.586040448913981e-01,    /* 817 */
+    9.590496900700202e-01,    /* 818 */
+    9.594929736144974e-01,    /* 819 */
+    9.599338944332557e-01,    /* 820 */
+    9.603724514405396e-01,    /* 821 */
+    9.608086435564140e-01,    /* 822 */
+    9.612424697067677e-01,    /* 823 */
+    9.616739288233154e-01,    /* 824 */
+    9.621030198436005e-01,    /* 825 */
+    9.625297417109979e-01,    /* 826 */
+    9.629540933747166e-01,    /* 827 */
+    9.633760737898017e-01,    /* 828 */
+    9.637956819171380e-01,    /* 829 */
+    9.642129167234518e-01,    /* 830 */
+    9.646277771813133e-01,    /* 831 */
+    9.650402622691399e-01,    /* 832 */
+    9.654503709711981e-01,    /* 833 */
+    9.658581022776063e-01,    /* 834 */
+    9.662634551843370e-01,    /* 835 */
+    9.666664286932195e-01,    /* 836 */
+    9.670670218119425e-01,    /* 837 */
+    9.674652335540560e-01,    /* 838 */
+    9.678610629389744e-01,    /* 839 */
+    9.682545089919784e-01,    /* 840 */
+    9.686455707442176e-01,    /* 841 */
+    9.690342472327130e-01,    /* 842 */
+    9.694205375003593e-01,    /* 843 */
+    9.698044405959267e-01,    /* 844 */
+    9.701859555740645e-01,    /* 845 */
+    9.705650814953021e-01,    /* 846 */
+    9.709418174260520e-01,    /* 847 */
+    9.713161624386123e-01,    /* 848 */
+    9.716881156111683e-01,    /* 849 */
+    9.720576760277954e-01,    /* 850 */
+    9.724248427784608e-01,    /* 851 */
+    9.727896149590264e-01,    /* 852 */
+    9.731519916712503e-01,    /* 853 */
+    9.735119720227898e-01,    /* 854 */
+    9.738695551272029e-01,    /* 855 */
+    9.742247401039505e-01,    /* 856 */
+    9.745775260783994e-01,    /* 857 */
+    9.749279121818236e-01,    /* 858 */
+    9.752758975514066e-01,    /* 859 */
+    9.756214813302438e-01,    /* 860 */
+    9.759646626673444e-01,    /* 861 */
+    9.763054407176336e-01,    /* 862 */
+    9.766438146419546e-01,    /* 863 */
+    9.769797836070706e-01,    /* 864 */
+    9.773133467856671e-01,    /* 865 */
+    9.776445033563537e-01,    /* 866 */
+    9.779732525036661e-01,    /* 867 */
+    9.782995934180686e-01,    /* 868 */
+    9.786235252959552e-01,    /* 869 */
+    9.789450473396526e-01,    /* 870 */
+    9.792641587574211e-01,    /* 871 */
+    9.795808587634576e-01,    /* 872 */
+    9.798951465778968e-01,    /* 873 */
+    9.802070214268133e-01,    /* 874 */
+    9.805164825422236e-01,    /* 875 */
+    9.808235291620881e-01,    /* 876 */
+    9.811281605303128e-01,    /* 877 */
+    9.814303758967510e-01,    /* 878 */
+    9.817301745172056e-01,    /* 879 */
+    9.820275556534303e-01,    /* 880 */
+    9.823225185731322e-01,    /* 881 */
+    9.826150625499731e-01,    /* 882 */
+    9.829051868635711e-01,    /* 883 */
+    9.831928907995030e-01,    /* 884 */
+    9.834781736493055e-01,    /* 885 */
+    9.837610347104772e-01,    /* 886 */
+    9.840414732864804e-01,    /* 887 */
+    9.843194886867427e-01,    /* 888 */
+    9.845950802266584e-01,    /* 889 */
+    9.848682472275909e-01,    /* 890 */
+    9.851389890168738e-01,    /* 891 */
+    9.854073049278126e-01,    /* 892 */
+    9.856731942996866e-01,    /* 893 */
+    9.859366564777504e-01,    /* 894 */
+    9.861976908132354e-01,    /* 895 */
+    9.864562966633516e-01,    /* 896 */
+    9.867124733912889e-01,    /* 897 */
+    9.869662203662192e-01,    /* 898 */
+    9.872175369632971e-01,    /* 899 */
+    9.874664225636623e-01,    /* 900 */
+    9.877128765544410e-01,    /* 901 */
+    9.879568983287464e-01,    /* 902 */
+    9.881984872856817e-01,    /* 903 */
+    9.884376428303405e-01,    /* 904 */
+    9.886743643738087e-01,    /* 905 */
+    9.889086513331659e-01,    /* 906 */
+    9.891405031314865e-01,    /* 907 */
+    9.893699191978420e-01,    /* 908 */
+    9.895968989673012e-01,    /* 909 */
+    9.898214418809327e-01,    /* 910 */
+    9.900435473858056e-01,    /* 911 */
+    9.902632149349908e-01,    /* 912 */
+    9.904804439875632e-01,    /* 913 */
+    9.906952340086018e-01,    /* 914 */
+    9.909075844691920e-01,    /* 915 */
+    9.911174948464266e-01,    /* 916 */
+    9.913249646234069e-01,    /* 917 */
+    9.915299932892441e-01,    /* 918 */
+    9.917325803390605e-01,    /* 919 */
+    9.919327252739911e-01,    /* 920 */
+    9.921304276011843e-01,    /* 921 */
+    9.923256868338034e-01,    /* 922 */
+    9.925185024910277e-01,    /* 923 */
+    9.927088740980540e-01,    /* 924 */
+    9.928968011860971e-01,    /* 925 */
+    9.930822832923918e-01,    /* 926 */
+    9.932653199601933e-01,    /* 927 */
+    9.934459107387786e-01,    /* 928 */
+    9.936240551834480e-01,    /* 929 */
+    9.937997528555254e-01,    /* 930 */
+    9.939730033223599e-01,    /* 931 */
+    9.941438061573271e-01,    /* 932 */
+    9.943121609398295e-01,    /* 933 */
+    9.944780672552980e-01,    /* 934 */
+    9.946415246951927e-01,    /* 935 */
+    9.948025328570040e-01,    /* 936 */
+    9.949610913442537e-01,    /* 937 */
+    9.951171997664957e-01,    /* 938 */
+    9.952708577393173e-01,    /* 939 */
+    9.954220648843398e-01,    /* 940 */
+    9.955708208292197e-01,    /* 941 */
+    9.957171252076493e-01,    /* 942 */
+    9.958609776593582e-01,    /* 943 */
+    9.960023778301135e-01,    /* 944 */
+    9.961413253717212e-01,    /* 945 */
+    9.962778199420265e-01,    /* 946 */
+    9.964118612049152e-01,    /* 947 */
+    9.965434488303145e-01,    /* 948 */
+    9.966725824941932e-01,    /* 949 */
+    9.967992618785633e-01,    /* 950 */
+    9.969234866714800e-01,    /* 951 */
+    9.970452565670431e-01,    /* 952 */
+    9.971645712653977e-01,    /* 953 */
+    9.972814304727343e-01,    /* 954 */
+    9.973958339012905e-01,    /* 955 */
+    9.975077812693507e-01,    /* 956 */
+    9.976172723012476e-01,    /* 957 */
+    9.977243067273625e-01,    /* 958 */
+    9.978288842841259e-01,    /* 959 */
+    9.979310047140184e-01,    /* 960 */
+    9.980306677655713e-01,    /* 961 */
+    9.981278731933668e-01,    /* 962 */
+    9.982226207580394e-01,    /* 963 */
+    9.983149102262756e-01,    /* 964 */
+    9.984047413708150e-01,    /* 965 */
+    9.984921139704509e-01,    /* 966 */
+    9.985770278100307e-01,    /* 967 */
+    9.986594826804561e-01,    /* 968 */
+    9.987394783786845e-01,    /* 969 */
+    9.988170147077284e-01,    /* 970 */
+    9.988920914766568e-01,    /* 971 */
+    9.989647085005952e-01,    /* 972 */
+    9.990348656007260e-01,    /* 973 */
+    9.991025626042892e-01,    /* 974 */
+    9.991677993445829e-01,    /* 975 */
+    9.992305756609632e-01,    /* 976 */
+    9.992908913988453e-01,    /* 977 */
+    9.993487464097032e-01,    /* 978 */
+    9.994041405510704e-01,    /* 979 */
+    9.994570736865406e-01,    /* 980 */
+    9.995075456857671e-01,    /* 981 */
+    9.995555564244639e-01,    /* 982 */
+    9.996011057844061e-01,    /* 983 */
+    9.996441936534295e-01,    /* 984 */
+    9.996848199254315e-01,    /* 985 */
+    9.997229845003707e-01,    /* 986 */
+    9.997586872842681e-01,    /* 987 */
+    9.997919281892065e-01,    /* 988 */
+    9.998227071333310e-01,    /* 989 */
+    9.998510240408494e-01,    /* 990 */
+    9.998768788420320e-01,    /* 991 */
+    9.999002714732120e-01,    /* 992 */
+    9.999212018767858e-01,    /* 993 */
+    9.999396700012126e-01,    /* 994 */
+    9.999556758010154e-01,    /* 995 */
+    9.999692192367803e-01,    /* 996 */
+    9.999803002751568e-01,    /* 997 */
+    9.999889188888583e-01,    /* 998 */
+    9.999950750566616e-01,    /* 999 */
+    9.999987687634074e-01,    /* 1000 */
+    1.000000000000000e+00,    /* 1001 */
+};
+
diff --git a/libs/fluidsynth/fluid_rvoice_dsp_tables.inc.h b/libs/fluidsynth/fluid_rvoice_dsp_tables.inc.h
new file mode 100644
index 00000000000..b031f421d34
--- /dev/null
+++ b/libs/fluidsynth/fluid_rvoice_dsp_tables.inc.h
@@ -0,0 +1,4110 @@
+/* THIS FILE HAS BEEN AUTOMATICALLY GENERATED. DO NOT EDIT. */
+
+static const fluid_real_t interp_coeff_linear[256][2] = {
+    {
+    1.000000000000000e+00,    /* 0 */
+    0.000000000000000e+00,    /* 1 */
+    }, {
+    9.960937500000000e-01,    /* 2 */
+    3.906250000000000e-03,    /* 3 */
+    }, {
+    9.921875000000000e-01,    /* 4 */
+    7.812500000000000e-03,    /* 5 */
+    }, {
+    9.882812500000000e-01,    /* 6 */
+    1.171875000000000e-02,    /* 7 */
+    }, {
+    9.843750000000000e-01,    /* 8 */
+    1.562500000000000e-02,    /* 9 */
+    }, {
+    9.804687500000000e-01,    /* 10 */
+    1.953125000000000e-02,    /* 11 */
+    }, {
+    9.765625000000000e-01,    /* 12 */
+    2.343750000000000e-02,    /* 13 */
+    }, {
+    9.726562500000000e-01,    /* 14 */
+    2.734375000000000e-02,    /* 15 */
+    }, {
+    9.687500000000000e-01,    /* 16 */
+    3.125000000000000e-02,    /* 17 */
+    }, {
+    9.648437500000000e-01,    /* 18 */
+    3.515625000000000e-02,    /* 19 */
+    }, {
+    9.609375000000000e-01,    /* 20 */
+    3.906250000000000e-02,    /* 21 */
+    }, {
+    9.570312500000000e-01,    /* 22 */
+    4.296875000000000e-02,    /* 23 */
+    }, {
+    9.531250000000000e-01,    /* 24 */
+    4.687500000000000e-02,    /* 25 */
+    }, {
+    9.492187500000000e-01,    /* 26 */
+    5.078125000000000e-02,    /* 27 */
+    }, {
+    9.453125000000000e-01,    /* 28 */
+    5.468750000000000e-02,    /* 29 */
+    }, {
+    9.414062500000000e-01,    /* 30 */
+    5.859375000000000e-02,    /* 31 */
+    }, {
+    9.375000000000000e-01,    /* 32 */
+    6.250000000000000e-02,    /* 33 */
+    }, {
+    9.335937500000000e-01,    /* 34 */
+    6.640625000000000e-02,    /* 35 */
+    }, {
+    9.296875000000000e-01,    /* 36 */
+    7.031250000000000e-02,    /* 37 */
+    }, {
+    9.257812500000000e-01,    /* 38 */
+    7.421875000000000e-02,    /* 39 */
+    }, {
+    9.218750000000000e-01,    /* 40 */
+    7.812500000000000e-02,    /* 41 */
+    }, {
+    9.179687500000000e-01,    /* 42 */
+    8.203125000000000e-02,    /* 43 */
+    }, {
+    9.140625000000000e-01,    /* 44 */
+    8.593750000000000e-02,    /* 45 */
+    }, {
+    9.101562500000000e-01,    /* 46 */
+    8.984375000000000e-02,    /* 47 */
+    }, {
+    9.062500000000000e-01,    /* 48 */
+    9.375000000000000e-02,    /* 49 */
+    }, {
+    9.023437500000000e-01,    /* 50 */
+    9.765625000000000e-02,    /* 51 */
+    }, {
+    8.984375000000000e-01,    /* 52 */
+    1.015625000000000e-01,    /* 53 */
+    }, {
+    8.945312500000000e-01,    /* 54 */
+    1.054687500000000e-01,    /* 55 */
+    }, {
+    8.906250000000000e-01,    /* 56 */
+    1.093750000000000e-01,    /* 57 */
+    }, {
+    8.867187500000000e-01,    /* 58 */
+    1.132812500000000e-01,    /* 59 */
+    }, {
+    8.828125000000000e-01,    /* 60 */
+    1.171875000000000e-01,    /* 61 */
+    }, {
+    8.789062500000000e-01,    /* 62 */
+    1.210937500000000e-01,    /* 63 */
+    }, {
+    8.750000000000000e-01,    /* 64 */
+    1.250000000000000e-01,    /* 65 */
+    }, {
+    8.710937500000000e-01,    /* 66 */
+    1.289062500000000e-01,    /* 67 */
+    }, {
+    8.671875000000000e-01,    /* 68 */
+    1.328125000000000e-01,    /* 69 */
+    }, {
+    8.632812500000000e-01,    /* 70 */
+    1.367187500000000e-01,    /* 71 */
+    }, {
+    8.593750000000000e-01,    /* 72 */
+    1.406250000000000e-01,    /* 73 */
+    }, {
+    8.554687500000000e-01,    /* 74 */
+    1.445312500000000e-01,    /* 75 */
+    }, {
+    8.515625000000000e-01,    /* 76 */
+    1.484375000000000e-01,    /* 77 */
+    }, {
+    8.476562500000000e-01,    /* 78 */
+    1.523437500000000e-01,    /* 79 */
+    }, {
+    8.437500000000000e-01,    /* 80 */
+    1.562500000000000e-01,    /* 81 */
+    }, {
+    8.398437500000000e-01,    /* 82 */
+    1.601562500000000e-01,    /* 83 */
+    }, {
+    8.359375000000000e-01,    /* 84 */
+    1.640625000000000e-01,    /* 85 */
+    }, {
+    8.320312500000000e-01,    /* 86 */
+    1.679687500000000e-01,    /* 87 */
+    }, {
+    8.281250000000000e-01,    /* 88 */
+    1.718750000000000e-01,    /* 89 */
+    }, {
+    8.242187500000000e-01,    /* 90 */
+    1.757812500000000e-01,    /* 91 */
+    }, {
+    8.203125000000000e-01,    /* 92 */
+    1.796875000000000e-01,    /* 93 */
+    }, {
+    8.164062500000000e-01,    /* 94 */
+    1.835937500000000e-01,    /* 95 */
+    }, {
+    8.125000000000000e-01,    /* 96 */
+    1.875000000000000e-01,    /* 97 */
+    }, {
+    8.085937500000000e-01,    /* 98 */
+    1.914062500000000e-01,    /* 99 */
+    }, {
+    8.046875000000000e-01,    /* 100 */
+    1.953125000000000e-01,    /* 101 */
+    }, {
+    8.007812500000000e-01,    /* 102 */
+    1.992187500000000e-01,    /* 103 */
+    }, {
+    7.968750000000000e-01,    /* 104 */
+    2.031250000000000e-01,    /* 105 */
+    }, {
+    7.929687500000000e-01,    /* 106 */
+    2.070312500000000e-01,    /* 107 */
+    }, {
+    7.890625000000000e-01,    /* 108 */
+    2.109375000000000e-01,    /* 109 */
+    }, {
+    7.851562500000000e-01,    /* 110 */
+    2.148437500000000e-01,    /* 111 */
+    }, {
+    7.812500000000000e-01,    /* 112 */
+    2.187500000000000e-01,    /* 113 */
+    }, {
+    7.773437500000000e-01,    /* 114 */
+    2.226562500000000e-01,    /* 115 */
+    }, {
+    7.734375000000000e-01,    /* 116 */
+    2.265625000000000e-01,    /* 117 */
+    }, {
+    7.695312500000000e-01,    /* 118 */
+    2.304687500000000e-01,    /* 119 */
+    }, {
+    7.656250000000000e-01,    /* 120 */
+    2.343750000000000e-01,    /* 121 */
+    }, {
+    7.617187500000000e-01,    /* 122 */
+    2.382812500000000e-01,    /* 123 */
+    }, {
+    7.578125000000000e-01,    /* 124 */
+    2.421875000000000e-01,    /* 125 */
+    }, {
+    7.539062500000000e-01,    /* 126 */
+    2.460937500000000e-01,    /* 127 */
+    }, {
+    7.500000000000000e-01,    /* 128 */
+    2.500000000000000e-01,    /* 129 */
+    }, {
+    7.460937500000000e-01,    /* 130 */
+    2.539062500000000e-01,    /* 131 */
+    }, {
+    7.421875000000000e-01,    /* 132 */
+    2.578125000000000e-01,    /* 133 */
+    }, {
+    7.382812500000000e-01,    /* 134 */
+    2.617187500000000e-01,    /* 135 */
+    }, {
+    7.343750000000000e-01,    /* 136 */
+    2.656250000000000e-01,    /* 137 */
+    }, {
+    7.304687500000000e-01,    /* 138 */
+    2.695312500000000e-01,    /* 139 */
+    }, {
+    7.265625000000000e-01,    /* 140 */
+    2.734375000000000e-01,    /* 141 */
+    }, {
+    7.226562500000000e-01,    /* 142 */
+    2.773437500000000e-01,    /* 143 */
+    }, {
+    7.187500000000000e-01,    /* 144 */
+    2.812500000000000e-01,    /* 145 */
+    }, {
+    7.148437500000000e-01,    /* 146 */
+    2.851562500000000e-01,    /* 147 */
+    }, {
+    7.109375000000000e-01,    /* 148 */
+    2.890625000000000e-01,    /* 149 */
+    }, {
+    7.070312500000000e-01,    /* 150 */
+    2.929687500000000e-01,    /* 151 */
+    }, {
+    7.031250000000000e-01,    /* 152 */
+    2.968750000000000e-01,    /* 153 */
+    }, {
+    6.992187500000000e-01,    /* 154 */
+    3.007812500000000e-01,    /* 155 */
+    }, {
+    6.953125000000000e-01,    /* 156 */
+    3.046875000000000e-01,    /* 157 */
+    }, {
+    6.914062500000000e-01,    /* 158 */
+    3.085937500000000e-01,    /* 159 */
+    }, {
+    6.875000000000000e-01,    /* 160 */
+    3.125000000000000e-01,    /* 161 */
+    }, {
+    6.835937500000000e-01,    /* 162 */
+    3.164062500000000e-01,    /* 163 */
+    }, {
+    6.796875000000000e-01,    /* 164 */
+    3.203125000000000e-01,    /* 165 */
+    }, {
+    6.757812500000000e-01,    /* 166 */
+    3.242187500000000e-01,    /* 167 */
+    }, {
+    6.718750000000000e-01,    /* 168 */
+    3.281250000000000e-01,    /* 169 */
+    }, {
+    6.679687500000000e-01,    /* 170 */
+    3.320312500000000e-01,    /* 171 */
+    }, {
+    6.640625000000000e-01,    /* 172 */
+    3.359375000000000e-01,    /* 173 */
+    }, {
+    6.601562500000000e-01,    /* 174 */
+    3.398437500000000e-01,    /* 175 */
+    }, {
+    6.562500000000000e-01,    /* 176 */
+    3.437500000000000e-01,    /* 177 */
+    }, {
+    6.523437500000000e-01,    /* 178 */
+    3.476562500000000e-01,    /* 179 */
+    }, {
+    6.484375000000000e-01,    /* 180 */
+    3.515625000000000e-01,    /* 181 */
+    }, {
+    6.445312500000000e-01,    /* 182 */
+    3.554687500000000e-01,    /* 183 */
+    }, {
+    6.406250000000000e-01,    /* 184 */
+    3.593750000000000e-01,    /* 185 */
+    }, {
+    6.367187500000000e-01,    /* 186 */
+    3.632812500000000e-01,    /* 187 */
+    }, {
+    6.328125000000000e-01,    /* 188 */
+    3.671875000000000e-01,    /* 189 */
+    }, {
+    6.289062500000000e-01,    /* 190 */
+    3.710937500000000e-01,    /* 191 */
+    }, {
+    6.250000000000000e-01,    /* 192 */
+    3.750000000000000e-01,    /* 193 */
+    }, {
+    6.210937500000000e-01,    /* 194 */
+    3.789062500000000e-01,    /* 195 */
+    }, {
+    6.171875000000000e-01,    /* 196 */
+    3.828125000000000e-01,    /* 197 */
+    }, {
+    6.132812500000000e-01,    /* 198 */
+    3.867187500000000e-01,    /* 199 */
+    }, {
+    6.093750000000000e-01,    /* 200 */
+    3.906250000000000e-01,    /* 201 */
+    }, {
+    6.054687500000000e-01,    /* 202 */
+    3.945312500000000e-01,    /* 203 */
+    }, {
+    6.015625000000000e-01,    /* 204 */
+    3.984375000000000e-01,    /* 205 */
+    }, {
+    5.976562500000000e-01,    /* 206 */
+    4.023437500000000e-01,    /* 207 */
+    }, {
+    5.937500000000000e-01,    /* 208 */
+    4.062500000000000e-01,    /* 209 */
+    }, {
+    5.898437500000000e-01,    /* 210 */
+    4.101562500000000e-01,    /* 211 */
+    }, {
+    5.859375000000000e-01,    /* 212 */
+    4.140625000000000e-01,    /* 213 */
+    }, {
+    5.820312500000000e-01,    /* 214 */
+    4.179687500000000e-01,    /* 215 */
+    }, {
+    5.781250000000000e-01,    /* 216 */
+    4.218750000000000e-01,    /* 217 */
+    }, {
+    5.742187500000000e-01,    /* 218 */
+    4.257812500000000e-01,    /* 219 */
+    }, {
+    5.703125000000000e-01,    /* 220 */
+    4.296875000000000e-01,    /* 221 */
+    }, {
+    5.664062500000000e-01,    /* 222 */
+    4.335937500000000e-01,    /* 223 */
+    }, {
+    5.625000000000000e-01,    /* 224 */
+    4.375000000000000e-01,    /* 225 */
+    }, {
+    5.585937500000000e-01,    /* 226 */
+    4.414062500000000e-01,    /* 227 */
+    }, {
+    5.546875000000000e-01,    /* 228 */
+    4.453125000000000e-01,    /* 229 */
+    }, {
+    5.507812500000000e-01,    /* 230 */
+    4.492187500000000e-01,    /* 231 */
+    }, {
+    5.468750000000000e-01,    /* 232 */
+    4.531250000000000e-01,    /* 233 */
+    }, {
+    5.429687500000000e-01,    /* 234 */
+    4.570312500000000e-01,    /* 235 */
+    }, {
+    5.390625000000000e-01,    /* 236 */
+    4.609375000000000e-01,    /* 237 */
+    }, {
+    5.351562500000000e-01,    /* 238 */
+    4.648437500000000e-01,    /* 239 */
+    }, {
+    5.312500000000000e-01,    /* 240 */
+    4.687500000000000e-01,    /* 241 */
+    }, {
+    5.273437500000000e-01,    /* 242 */
+    4.726562500000000e-01,    /* 243 */
+    }, {
+    5.234375000000000e-01,    /* 244 */
+    4.765625000000000e-01,    /* 245 */
+    }, {
+    5.195312500000000e-01,    /* 246 */
+    4.804687500000000e-01,    /* 247 */
+    }, {
+    5.156250000000000e-01,    /* 248 */
+    4.843750000000000e-01,    /* 249 */
+    }, {
+    5.117187500000000e-01,    /* 250 */
+    4.882812500000000e-01,    /* 251 */
+    }, {
+    5.078125000000000e-01,    /* 252 */
+    4.921875000000000e-01,    /* 253 */
+    }, {
+    5.039062500000000e-01,    /* 254 */
+    4.960937500000000e-01,    /* 255 */
+    }, {
+    5.000000000000000e-01,    /* 256 */
+    5.000000000000000e-01,    /* 257 */
+    }, {
+    4.960937500000000e-01,    /* 258 */
+    5.039062500000000e-01,    /* 259 */
+    }, {
+    4.921875000000000e-01,    /* 260 */
+    5.078125000000000e-01,    /* 261 */
+    }, {
+    4.882812500000000e-01,    /* 262 */
+    5.117187500000000e-01,    /* 263 */
+    }, {
+    4.843750000000000e-01,    /* 264 */
+    5.156250000000000e-01,    /* 265 */
+    }, {
+    4.804687500000000e-01,    /* 266 */
+    5.195312500000000e-01,    /* 267 */
+    }, {
+    4.765625000000000e-01,    /* 268 */
+    5.234375000000000e-01,    /* 269 */
+    }, {
+    4.726562500000000e-01,    /* 270 */
+    5.273437500000000e-01,    /* 271 */
+    }, {
+    4.687500000000000e-01,    /* 272 */
+    5.312500000000000e-01,    /* 273 */
+    }, {
+    4.648437500000000e-01,    /* 274 */
+    5.351562500000000e-01,    /* 275 */
+    }, {
+    4.609375000000000e-01,    /* 276 */
+    5.390625000000000e-01,    /* 277 */
+    }, {
+    4.570312500000000e-01,    /* 278 */
+    5.429687500000000e-01,    /* 279 */
+    }, {
+    4.531250000000000e-01,    /* 280 */
+    5.468750000000000e-01,    /* 281 */
+    }, {
+    4.492187500000000e-01,    /* 282 */
+    5.507812500000000e-01,    /* 283 */
+    }, {
+    4.453125000000000e-01,    /* 284 */
+    5.546875000000000e-01,    /* 285 */
+    }, {
+    4.414062500000000e-01,    /* 286 */
+    5.585937500000000e-01,    /* 287 */
+    }, {
+    4.375000000000000e-01,    /* 288 */
+    5.625000000000000e-01,    /* 289 */
+    }, {
+    4.335937500000000e-01,    /* 290 */
+    5.664062500000000e-01,    /* 291 */
+    }, {
+    4.296875000000000e-01,    /* 292 */
+    5.703125000000000e-01,    /* 293 */
+    }, {
+    4.257812500000000e-01,    /* 294 */
+    5.742187500000000e-01,    /* 295 */
+    }, {
+    4.218750000000000e-01,    /* 296 */
+    5.781250000000000e-01,    /* 297 */
+    }, {
+    4.179687500000000e-01,    /* 298 */
+    5.820312500000000e-01,    /* 299 */
+    }, {
+    4.140625000000000e-01,    /* 300 */
+    5.859375000000000e-01,    /* 301 */
+    }, {
+    4.101562500000000e-01,    /* 302 */
+    5.898437500000000e-01,    /* 303 */
+    }, {
+    4.062500000000000e-01,    /* 304 */
+    5.937500000000000e-01,    /* 305 */
+    }, {
+    4.023437500000000e-01,    /* 306 */
+    5.976562500000000e-01,    /* 307 */
+    }, {
+    3.984375000000000e-01,    /* 308 */
+    6.015625000000000e-01,    /* 309 */
+    }, {
+    3.945312500000000e-01,    /* 310 */
+    6.054687500000000e-01,    /* 311 */
+    }, {
+    3.906250000000000e-01,    /* 312 */
+    6.093750000000000e-01,    /* 313 */
+    }, {
+    3.867187500000000e-01,    /* 314 */
+    6.132812500000000e-01,    /* 315 */
+    }, {
+    3.828125000000000e-01,    /* 316 */
+    6.171875000000000e-01,    /* 317 */
+    }, {
+    3.789062500000000e-01,    /* 318 */
+    6.210937500000000e-01,    /* 319 */
+    }, {
+    3.750000000000000e-01,    /* 320 */
+    6.250000000000000e-01,    /* 321 */
+    }, {
+    3.710937500000000e-01,    /* 322 */
+    6.289062500000000e-01,    /* 323 */
+    }, {
+    3.671875000000000e-01,    /* 324 */
+    6.328125000000000e-01,    /* 325 */
+    }, {
+    3.632812500000000e-01,    /* 326 */
+    6.367187500000000e-01,    /* 327 */
+    }, {
+    3.593750000000000e-01,    /* 328 */
+    6.406250000000000e-01,    /* 329 */
+    }, {
+    3.554687500000000e-01,    /* 330 */
+    6.445312500000000e-01,    /* 331 */
+    }, {
+    3.515625000000000e-01,    /* 332 */
+    6.484375000000000e-01,    /* 333 */
+    }, {
+    3.476562500000000e-01,    /* 334 */
+    6.523437500000000e-01,    /* 335 */
+    }, {
+    3.437500000000000e-01,    /* 336 */
+    6.562500000000000e-01,    /* 337 */
+    }, {
+    3.398437500000000e-01,    /* 338 */
+    6.601562500000000e-01,    /* 339 */
+    }, {
+    3.359375000000000e-01,    /* 340 */
+    6.640625000000000e-01,    /* 341 */
+    }, {
+    3.320312500000000e-01,    /* 342 */
+    6.679687500000000e-01,    /* 343 */
+    }, {
+    3.281250000000000e-01,    /* 344 */
+    6.718750000000000e-01,    /* 345 */
+    }, {
+    3.242187500000000e-01,    /* 346 */
+    6.757812500000000e-01,    /* 347 */
+    }, {
+    3.203125000000000e-01,    /* 348 */
+    6.796875000000000e-01,    /* 349 */
+    }, {
+    3.164062500000000e-01,    /* 350 */
+    6.835937500000000e-01,    /* 351 */
+    }, {
+    3.125000000000000e-01,    /* 352 */
+    6.875000000000000e-01,    /* 353 */
+    }, {
+    3.085937500000000e-01,    /* 354 */
+    6.914062500000000e-01,    /* 355 */
+    }, {
+    3.046875000000000e-01,    /* 356 */
+    6.953125000000000e-01,    /* 357 */
+    }, {
+    3.007812500000000e-01,    /* 358 */
+    6.992187500000000e-01,    /* 359 */
+    }, {
+    2.968750000000000e-01,    /* 360 */
+    7.031250000000000e-01,    /* 361 */
+    }, {
+    2.929687500000000e-01,    /* 362 */
+    7.070312500000000e-01,    /* 363 */
+    }, {
+    2.890625000000000e-01,    /* 364 */
+    7.109375000000000e-01,    /* 365 */
+    }, {
+    2.851562500000000e-01,    /* 366 */
+    7.148437500000000e-01,    /* 367 */
+    }, {
+    2.812500000000000e-01,    /* 368 */
+    7.187500000000000e-01,    /* 369 */
+    }, {
+    2.773437500000000e-01,    /* 370 */
+    7.226562500000000e-01,    /* 371 */
+    }, {
+    2.734375000000000e-01,    /* 372 */
+    7.265625000000000e-01,    /* 373 */
+    }, {
+    2.695312500000000e-01,    /* 374 */
+    7.304687500000000e-01,    /* 375 */
+    }, {
+    2.656250000000000e-01,    /* 376 */
+    7.343750000000000e-01,    /* 377 */
+    }, {
+    2.617187500000000e-01,    /* 378 */
+    7.382812500000000e-01,    /* 379 */
+    }, {
+    2.578125000000000e-01,    /* 380 */
+    7.421875000000000e-01,    /* 381 */
+    }, {
+    2.539062500000000e-01,    /* 382 */
+    7.460937500000000e-01,    /* 383 */
+    }, {
+    2.500000000000000e-01,    /* 384 */
+    7.500000000000000e-01,    /* 385 */
+    }, {
+    2.460937500000000e-01,    /* 386 */
+    7.539062500000000e-01,    /* 387 */
+    }, {
+    2.421875000000000e-01,    /* 388 */
+    7.578125000000000e-01,    /* 389 */
+    }, {
+    2.382812500000000e-01,    /* 390 */
+    7.617187500000000e-01,    /* 391 */
+    }, {
+    2.343750000000000e-01,    /* 392 */
+    7.656250000000000e-01,    /* 393 */
+    }, {
+    2.304687500000000e-01,    /* 394 */
+    7.695312500000000e-01,    /* 395 */
+    }, {
+    2.265625000000000e-01,    /* 396 */
+    7.734375000000000e-01,    /* 397 */
+    }, {
+    2.226562500000000e-01,    /* 398 */
+    7.773437500000000e-01,    /* 399 */
+    }, {
+    2.187500000000000e-01,    /* 400 */
+    7.812500000000000e-01,    /* 401 */
+    }, {
+    2.148437500000000e-01,    /* 402 */
+    7.851562500000000e-01,    /* 403 */
+    }, {
+    2.109375000000000e-01,    /* 404 */
+    7.890625000000000e-01,    /* 405 */
+    }, {
+    2.070312500000000e-01,    /* 406 */
+    7.929687500000000e-01,    /* 407 */
+    }, {
+    2.031250000000000e-01,    /* 408 */
+    7.968750000000000e-01,    /* 409 */
+    }, {
+    1.992187500000000e-01,    /* 410 */
+    8.007812500000000e-01,    /* 411 */
+    }, {
+    1.953125000000000e-01,    /* 412 */
+    8.046875000000000e-01,    /* 413 */
+    }, {
+    1.914062500000000e-01,    /* 414 */
+    8.085937500000000e-01,    /* 415 */
+    }, {
+    1.875000000000000e-01,    /* 416 */
+    8.125000000000000e-01,    /* 417 */
+    }, {
+    1.835937500000000e-01,    /* 418 */
+    8.164062500000000e-01,    /* 419 */
+    }, {
+    1.796875000000000e-01,    /* 420 */
+    8.203125000000000e-01,    /* 421 */
+    }, {
+    1.757812500000000e-01,    /* 422 */
+    8.242187500000000e-01,    /* 423 */
+    }, {
+    1.718750000000000e-01,    /* 424 */
+    8.281250000000000e-01,    /* 425 */
+    }, {
+    1.679687500000000e-01,    /* 426 */
+    8.320312500000000e-01,    /* 427 */
+    }, {
+    1.640625000000000e-01,    /* 428 */
+    8.359375000000000e-01,    /* 429 */
+    }, {
+    1.601562500000000e-01,    /* 430 */
+    8.398437500000000e-01,    /* 431 */
+    }, {
+    1.562500000000000e-01,    /* 432 */
+    8.437500000000000e-01,    /* 433 */
+    }, {
+    1.523437500000000e-01,    /* 434 */
+    8.476562500000000e-01,    /* 435 */
+    }, {
+    1.484375000000000e-01,    /* 436 */
+    8.515625000000000e-01,    /* 437 */
+    }, {
+    1.445312500000000e-01,    /* 438 */
+    8.554687500000000e-01,    /* 439 */
+    }, {
+    1.406250000000000e-01,    /* 440 */
+    8.593750000000000e-01,    /* 441 */
+    }, {
+    1.367187500000000e-01,    /* 442 */
+    8.632812500000000e-01,    /* 443 */
+    }, {
+    1.328125000000000e-01,    /* 444 */
+    8.671875000000000e-01,    /* 445 */
+    }, {
+    1.289062500000000e-01,    /* 446 */
+    8.710937500000000e-01,    /* 447 */
+    }, {
+    1.250000000000000e-01,    /* 448 */
+    8.750000000000000e-01,    /* 449 */
+    }, {
+    1.210937500000000e-01,    /* 450 */
+    8.789062500000000e-01,    /* 451 */
+    }, {
+    1.171875000000000e-01,    /* 452 */
+    8.828125000000000e-01,    /* 453 */
+    }, {
+    1.132812500000000e-01,    /* 454 */
+    8.867187500000000e-01,    /* 455 */
+    }, {
+    1.093750000000000e-01,    /* 456 */
+    8.906250000000000e-01,    /* 457 */
+    }, {
+    1.054687500000000e-01,    /* 458 */
+    8.945312500000000e-01,    /* 459 */
+    }, {
+    1.015625000000000e-01,    /* 460 */
+    8.984375000000000e-01,    /* 461 */
+    }, {
+    9.765625000000000e-02,    /* 462 */
+    9.023437500000000e-01,    /* 463 */
+    }, {
+    9.375000000000000e-02,    /* 464 */
+    9.062500000000000e-01,    /* 465 */
+    }, {
+    8.984375000000000e-02,    /* 466 */
+    9.101562500000000e-01,    /* 467 */
+    }, {
+    8.593750000000000e-02,    /* 468 */
+    9.140625000000000e-01,    /* 469 */
+    }, {
+    8.203125000000000e-02,    /* 470 */
+    9.179687500000000e-01,    /* 471 */
+    }, {
+    7.812500000000000e-02,    /* 472 */
+    9.218750000000000e-01,    /* 473 */
+    }, {
+    7.421875000000000e-02,    /* 474 */
+    9.257812500000000e-01,    /* 475 */
+    }, {
+    7.031250000000000e-02,    /* 476 */
+    9.296875000000000e-01,    /* 477 */
+    }, {
+    6.640625000000000e-02,    /* 478 */
+    9.335937500000000e-01,    /* 479 */
+    }, {
+    6.250000000000000e-02,    /* 480 */
+    9.375000000000000e-01,    /* 481 */
+    }, {
+    5.859375000000000e-02,    /* 482 */
+    9.414062500000000e-01,    /* 483 */
+    }, {
+    5.468750000000000e-02,    /* 484 */
+    9.453125000000000e-01,    /* 485 */
+    }, {
+    5.078125000000000e-02,    /* 486 */
+    9.492187500000000e-01,    /* 487 */
+    }, {
+    4.687500000000000e-02,    /* 488 */
+    9.531250000000000e-01,    /* 489 */
+    }, {
+    4.296875000000000e-02,    /* 490 */
+    9.570312500000000e-01,    /* 491 */
+    }, {
+    3.906250000000000e-02,    /* 492 */
+    9.609375000000000e-01,    /* 493 */
+    }, {
+    3.515625000000000e-02,    /* 494 */
+    9.648437500000000e-01,    /* 495 */
+    }, {
+    3.125000000000000e-02,    /* 496 */
+    9.687500000000000e-01,    /* 497 */
+    }, {
+    2.734375000000000e-02,    /* 498 */
+    9.726562500000000e-01,    /* 499 */
+    }, {
+    2.343750000000000e-02,    /* 500 */
+    9.765625000000000e-01,    /* 501 */
+    }, {
+    1.953125000000000e-02,    /* 502 */
+    9.804687500000000e-01,    /* 503 */
+    }, {
+    1.562500000000000e-02,    /* 504 */
+    9.843750000000000e-01,    /* 505 */
+    }, {
+    1.171875000000000e-02,    /* 506 */
+    9.882812500000000e-01,    /* 507 */
+    }, {
+    7.812500000000000e-03,    /* 508 */
+    9.921875000000000e-01,    /* 509 */
+    }, {
+    3.906250000000000e-03,    /* 510 */
+    9.960937500000000e-01,    /* 511 */
+    }
+};
+
+static const fluid_real_t interp_coeff[256][4] = {
+    {
+    -0.000000000000000e+00,    /* 0 */
+    1.000000000000000e+00,    /* 1 */
+    0.000000000000000e+00,    /* 2 */
+    -0.000000000000000e+00,    /* 3 */
+    }, {
+    -1.937896013259888e-03,    /* 4 */
+    9.999619424343109e-01,    /* 5 */
+    1.983553171157837e-03,    /* 6 */
+    -7.599592208862305e-06,    /* 7 */
+    }, {
+    -3.845453262329102e-03,    /* 8 */
+    9.998481273651123e-01,    /* 9 */
+    4.027605056762695e-03,    /* 10 */
+    -3.027915954589844e-05,    /* 11 */
+    }, {
+    -5.722850561141968e-03,    /* 12 */
+    9.996590912342072e-01,    /* 13 */
+    6.131619215011597e-03,    /* 14 */
+    -6.785988807678223e-05,    /* 15 */
+    }, {
+    -7.570266723632812e-03,    /* 16 */
+    9.993953704833984e-01,    /* 17 */
+    8.295059204101562e-03,    /* 18 */
+    -1.201629638671875e-04,    /* 19 */
+    }, {
+    -9.387880563735962e-03,    /* 20 */
+    9.990575015544891e-01,    /* 21 */
+    1.051738858222961e-02,    /* 22 */
+    -1.870095729827881e-04,    /* 23 */
+    }, {
+    -1.117587089538574e-02,    /* 24 */
+    9.986460208892822e-01,    /* 25 */
+    1.279807090759277e-02,    /* 26 */
+    -2.682209014892578e-04,    /* 27 */
+    }, {
+    -1.293441653251648e-02,    /* 28 */
+    9.981614649295807e-01,    /* 29 */
+    1.513656973838806e-02,    /* 30 */
+    -3.636181354522705e-04,    /* 31 */
+    }, {
+    -1.466369628906250e-02,    /* 32 */
+    9.976043701171875e-01,    /* 33 */
+    1.753234863281250e-02,    /* 34 */
+    -4.730224609375000e-04,    /* 35 */
+    }, {
+    -1.636388897895813e-02,    /* 36 */
+    9.969752728939056e-01,    /* 37 */
+    1.998487114906311e-02,    /* 38 */
+    -5.962550640106201e-04,    /* 39 */
+    }, {
+    -1.803517341613770e-02,    /* 40 */
+    9.962747097015381e-01,    /* 41 */
+    2.249360084533691e-02,    /* 42 */
+    -7.331371307373047e-04,    /* 43 */
+    }, {
+    -1.967772841453552e-02,    /* 44 */
+    9.955032169818878e-01,    /* 45 */
+    2.505800127983093e-02,    /* 46 */
+    -8.834898471832275e-04,    /* 47 */
+    }, {
+    -2.129173278808594e-02,    /* 48 */
+    9.946613311767578e-01,    /* 49 */
+    2.767753601074219e-02,    /* 50 */
+    -1.047134399414062e-03,    /* 51 */
+    }, {
+    -2.287736535072327e-02,    /* 52 */
+    9.937495887279510e-01,    /* 53 */
+    3.035166859626770e-02,    /* 54 */
+    -1.223891973495483e-03,    /* 55 */
+    }, {
+    -2.443480491638184e-02,    /* 56 */
+    9.927685260772705e-01,    /* 57 */
+    3.307986259460449e-02,    /* 58 */
+    -1.413583755493164e-03,    /* 59 */
+    }, {
+    -2.596423029899597e-02,    /* 60 */
+    9.917186796665192e-01,    /* 61 */
+    3.586158156394958e-02,    /* 62 */
+    -1.616030931472778e-03,    /* 63 */
+    }, {
+    -2.746582031250000e-02,    /* 64 */
+    9.906005859375000e-01,    /* 65 */
+    3.869628906250000e-02,    /* 66 */
+    -1.831054687500000e-03,    /* 67 */
+    }, {
+    -2.893975377082825e-02,    /* 68 */
+    9.894147813320160e-01,    /* 69 */
+    4.158344864845276e-02,    /* 70 */
+    -2.058476209640503e-03,    /* 71 */
+    }, {
+    -3.038620948791504e-02,    /* 72 */
+    9.881618022918701e-01,    /* 73 */
+    4.452252388000488e-02,    /* 74 */
+    -2.298116683959961e-03,    /* 75 */
+    }, {
+    -3.180536627769470e-02,    /* 76 */
+    9.868421852588654e-01,    /* 77 */
+    4.751297831535339e-02,    /* 78 */
+    -2.549797296524048e-03,    /* 79 */
+    }, {
+    -3.319740295410156e-02,    /* 80 */
+    9.854564666748047e-01,    /* 81 */
+    5.055427551269531e-02,    /* 82 */
+    -2.813339233398438e-03,    /* 83 */
+    }, {
+    -3.456249833106995e-02,    /* 84 */
+    9.840051829814911e-01,    /* 85 */
+    5.364587903022766e-02,    /* 86 */
+    -3.088563680648804e-03,    /* 87 */
+    }, {
+    -3.590083122253418e-02,    /* 88 */
+    9.824888706207275e-01,    /* 89 */
+    5.678725242614746e-02,    /* 90 */
+    -3.375291824340820e-03,    /* 91 */
+    }, {
+    -3.721258044242859e-02,    /* 92 */
+    9.809080660343170e-01,    /* 93 */
+    5.997785925865173e-02,    /* 94 */
+    -3.673344850540161e-03,    /* 95 */
+    }, {
+    -3.849792480468750e-02,    /* 96 */
+    9.792633056640625e-01,    /* 97 */
+    6.321716308593750e-02,    /* 98 */
+    -3.982543945312500e-03,    /* 99 */
+    }, {
+    -3.975704312324524e-02,    /* 100 */
+    9.775551259517670e-01,    /* 101 */
+    6.650462746620178e-02,    /* 102 */
+    -4.302710294723511e-03,    /* 103 */
+    }, {
+    -4.099011421203613e-02,    /* 104 */
+    9.757840633392334e-01,    /* 105 */
+    6.983971595764160e-02,    /* 106 */
+    -4.633665084838867e-03,    /* 107 */
+    }, {
+    -4.219731688499451e-02,    /* 108 */
+    9.739506542682648e-01,    /* 109 */
+    7.322189211845398e-02,    /* 110 */
+    -4.975229501724243e-03,    /* 111 */
+    }, {
+    -4.337882995605469e-02,    /* 112 */
+    9.720554351806641e-01,    /* 113 */
+    7.665061950683594e-02,    /* 114 */
+    -5.327224731445312e-03,    /* 115 */
+    }, {
+    -4.453483223915100e-02,    /* 116 */
+    9.700989425182343e-01,    /* 117 */
+    8.012536168098450e-02,    /* 118 */
+    -5.689471960067749e-03,    /* 119 */
+    }, {
+    -4.566550254821777e-02,    /* 120 */
+    9.680817127227783e-01,    /* 121 */
+    8.364558219909668e-02,    /* 122 */
+    -6.061792373657227e-03,    /* 123 */
+    }, {
+    -4.677101969718933e-02,    /* 124 */
+    9.660042822360992e-01,    /* 125 */
+    8.721074461936951e-02,    /* 126 */
+    -6.444007158279419e-03,    /* 127 */
+    }, {
+    -4.785156250000000e-02,    /* 128 */
+    9.638671875000000e-01,    /* 129 */
+    9.082031250000000e-02,    /* 130 */
+    -6.835937500000000e-03,    /* 131 */
+    }, {
+    -4.890730977058411e-02,    /* 132 */
+    9.616709649562836e-01,    /* 133 */
+    9.447374939918518e-02,    /* 134 */
+    -7.237404584884644e-03,    /* 135 */
+    }, {
+    -4.993844032287598e-02,    /* 136 */
+    9.594161510467529e-01,    /* 137 */
+    9.817051887512207e-02,    /* 138 */
+    -7.648229598999023e-03,    /* 139 */
+    }, {
+    -5.094513297080994e-02,    /* 140 */
+    9.571032822132111e-01,    /* 141 */
+    1.019100844860077e-01,    /* 142 */
+    -8.068233728408813e-03,    /* 143 */
+    }, {
+    -5.192756652832031e-02,    /* 144 */
+    9.547328948974609e-01,    /* 145 */
+    1.056919097900391e-01,    /* 146 */
+    -8.497238159179688e-03,    /* 147 */
+    }, {
+    -5.288591980934143e-02,    /* 148 */
+    9.523055255413055e-01,    /* 149 */
+    1.095154583454132e-01,    /* 150 */
+    -8.935064077377319e-03,    /* 151 */
+    }, {
+    -5.382037162780762e-02,    /* 152 */
+    9.498217105865479e-01,    /* 153 */
+    1.133801937103271e-01,    /* 154 */
+    -9.381532669067383e-03,    /* 155 */
+    }, {
+    -5.473110079765320e-02,    /* 156 */
+    9.472819864749908e-01,    /* 157 */
+    1.172855794429779e-01,    /* 158 */
+    -9.836465120315552e-03,    /* 159 */
+    }, {
+    -5.561828613281250e-02,    /* 160 */
+    9.446868896484375e-01,    /* 161 */
+    1.212310791015625e-01,    /* 162 */
+    -1.029968261718750e-02,    /* 163 */
+    }, {
+    -5.648210644721985e-02,    /* 164 */
+    9.420369565486908e-01,    /* 165 */
+    1.252161562442780e-01,    /* 166 */
+    -1.077100634574890e-02,    /* 167 */
+    }, {
+    -5.732274055480957e-02,    /* 168 */
+    9.393327236175537e-01,    /* 169 */
+    1.292402744293213e-01,    /* 170 */
+    -1.125025749206543e-02,    /* 171 */
+    }, {
+    -5.814036726951599e-02,    /* 172 */
+    9.365747272968292e-01,    /* 173 */
+    1.333028972148895e-01,    /* 174 */
+    -1.173725724220276e-02,    /* 175 */
+    }, {
+    -5.893516540527344e-02,    /* 176 */
+    9.337635040283203e-01,    /* 177 */
+    1.374034881591797e-01,    /* 178 */
+    -1.223182678222656e-02,    /* 179 */
+    }, {
+    -5.970731377601624e-02,    /* 180 */
+    9.308995902538300e-01,    /* 181 */
+    1.415415108203888e-01,    /* 182 */
+    -1.273378729820251e-02,    /* 183 */
+    }, {
+    -6.045699119567871e-02,    /* 184 */
+    9.279835224151611e-01,    /* 185 */
+    1.457164287567139e-01,    /* 186 */
+    -1.324295997619629e-02,    /* 187 */
+    }, {
+    -6.118437647819519e-02,    /* 188 */
+    9.250158369541168e-01,    /* 189 */
+    1.499277055263519e-01,    /* 190 */
+    -1.375916600227356e-02,    /* 191 */
+    }, {
+    -6.188964843750000e-02,    /* 192 */
+    9.219970703125000e-01,    /* 193 */
+    1.541748046875000e-01,    /* 194 */
+    -1.428222656250000e-02,    /* 195 */
+    }, {
+    -6.257298588752747e-02,    /* 196 */
+    9.189277589321136e-01,    /* 197 */
+    1.584571897983551e-01,    /* 198 */
+    -1.481196284294128e-02,    /* 199 */
+    }, {
+    -6.323456764221191e-02,    /* 200 */
+    9.158084392547607e-01,    /* 201 */
+    1.627743244171143e-01,    /* 202 */
+    -1.534819602966309e-02,    /* 203 */
+    }, {
+    -6.387457251548767e-02,    /* 204 */
+    9.126396477222443e-01,    /* 205 */
+    1.671256721019745e-01,    /* 206 */
+    -1.589074730873108e-02,    /* 207 */
+    }, {
+    -6.449317932128906e-02,    /* 208 */
+    9.094219207763672e-01,    /* 209 */
+    1.715106964111328e-01,    /* 210 */
+    -1.643943786621094e-02,    /* 211 */
+    }, {
+    -6.509056687355042e-02,    /* 212 */
+    9.061557948589325e-01,    /* 213 */
+    1.759288609027863e-01,    /* 214 */
+    -1.699408888816833e-02,    /* 215 */
+    }, {
+    -6.566691398620605e-02,    /* 216 */
+    9.028418064117432e-01,    /* 217 */
+    1.803796291351318e-01,    /* 218 */
+    -1.755452156066895e-02,    /* 219 */
+    }, {
+    -6.622239947319031e-02,    /* 220 */
+    8.994804918766022e-01,    /* 221 */
+    1.848624646663666e-01,    /* 222 */
+    -1.812055706977844e-02,    /* 223 */
+    }, {
+    -6.675720214843750e-02,    /* 224 */
+    8.960723876953125e-01,    /* 225 */
+    1.893768310546875e-01,    /* 226 */
+    -1.869201660156250e-02,    /* 227 */
+    }, {
+    -6.727150082588196e-02,    /* 228 */
+    8.926180303096771e-01,    /* 229 */
+    1.939221918582916e-01,    /* 230 */
+    -1.926872134208679e-02,    /* 231 */
+    }, {
+    -6.776547431945801e-02,    /* 232 */
+    8.891179561614990e-01,    /* 233 */
+    1.984980106353760e-01,    /* 234 */
+    -1.985049247741699e-02,    /* 235 */
+    }, {
+    -6.823930144309998e-02,    /* 236 */
+    8.855727016925812e-01,    /* 237 */
+    2.031037509441376e-01,    /* 238 */
+    -2.043715119361877e-02,    /* 239 */
+    }, {
+    -6.869316101074219e-02,    /* 240 */
+    8.819828033447266e-01,    /* 241 */
+    2.077388763427734e-01,    /* 242 */
+    -2.102851867675781e-02,    /* 243 */
+    }, {
+    -6.912723183631897e-02,    /* 244 */
+    8.783487975597382e-01,    /* 245 */
+    2.124028503894806e-01,    /* 246 */
+    -2.162441611289978e-02,    /* 247 */
+    }, {
+    -6.954169273376465e-02,    /* 248 */
+    8.746712207794189e-01,    /* 249 */
+    2.170951366424561e-01,    /* 250 */
+    -2.222466468811035e-02,    /* 251 */
+    }, {
+    -6.993672251701355e-02,    /* 252 */
+    8.709506094455719e-01,    /* 253 */
+    2.218151986598969e-01,    /* 254 */
+    -2.282908558845520e-02,    /* 255 */
+    }, {
+    -7.031250000000000e-02,    /* 256 */
+    8.671875000000000e-01,    /* 257 */
+    2.265625000000000e-01,    /* 258 */
+    -2.343750000000000e-02,    /* 259 */
+    }, {
+    -7.066920399665833e-02,    /* 260 */
+    8.633824288845062e-01,    /* 261 */
+    2.313365042209625e-01,    /* 262 */
+    -2.404972910881042e-02,    /* 263 */
+    }, {
+    -7.100701332092285e-02,    /* 264 */
+    8.595359325408936e-01,    /* 265 */
+    2.361366748809814e-01,    /* 266 */
+    -2.466559410095215e-02,    /* 267 */
+    }, {
+    -7.132610678672791e-02,    /* 268 */
+    8.556485474109650e-01,    /* 269 */
+    2.409624755382538e-01,    /* 270 */
+    -2.528491616249084e-02,    /* 271 */
+    }, {
+    -7.162666320800781e-02,    /* 272 */
+    8.517208099365234e-01,    /* 273 */
+    2.458133697509766e-01,    /* 274 */
+    -2.590751647949219e-02,    /* 275 */
+    }, {
+    -7.190886139869690e-02,    /* 276 */
+    8.477532565593719e-01,    /* 277 */
+    2.506888210773468e-01,    /* 278 */
+    -2.653321623802185e-02,    /* 279 */
+    }, {
+    -7.217288017272949e-02,    /* 280 */
+    8.437464237213135e-01,    /* 281 */
+    2.555882930755615e-01,    /* 282 */
+    -2.716183662414551e-02,    /* 283 */
+    }, {
+    -7.241889834403992e-02,    /* 284 */
+    8.397008478641510e-01,    /* 285 */
+    2.605112493038177e-01,    /* 286 */
+    -2.779319882392883e-02,    /* 287 */
+    }, {
+    -7.264709472656250e-02,    /* 288 */
+    8.356170654296875e-01,    /* 289 */
+    2.654571533203125e-01,    /* 290 */
+    -2.842712402343750e-02,    /* 291 */
+    }, {
+    -7.285764813423157e-02,    /* 292 */
+    8.314956128597260e-01,    /* 293 */
+    2.704254686832428e-01,    /* 294 */
+    -2.906343340873718e-02,    /* 295 */
+    }, {
+    -7.305073738098145e-02,    /* 296 */
+    8.273370265960693e-01,    /* 297 */
+    2.754156589508057e-01,    /* 298 */
+    -2.970194816589355e-02,    /* 299 */
+    }, {
+    -7.322654128074646e-02,    /* 300 */
+    8.231418430805206e-01,    /* 301 */
+    2.804271876811981e-01,    /* 302 */
+    -3.034248948097229e-02,    /* 303 */
+    }, {
+    -7.338523864746094e-02,    /* 304 */
+    8.189105987548828e-01,    /* 305 */
+    2.854595184326172e-01,    /* 306 */
+    -3.098487854003906e-02,    /* 307 */
+    }, {
+    -7.352700829505920e-02,    /* 308 */
+    8.146438300609589e-01,    /* 309 */
+    2.905121147632599e-01,    /* 310 */
+    -3.162893652915955e-02,    /* 311 */
+    }, {
+    -7.365202903747559e-02,    /* 312 */
+    8.103420734405518e-01,    /* 313 */
+    2.955844402313232e-01,    /* 314 */
+    -3.227448463439941e-02,    /* 315 */
+    }, {
+    -7.376047968864441e-02,    /* 316 */
+    8.060058653354645e-01,    /* 317 */
+    3.006759583950043e-01,    /* 318 */
+    -3.292134404182434e-02,    /* 319 */
+    }, {
+    -7.385253906250000e-02,    /* 320 */
+    8.016357421875000e-01,    /* 321 */
+    3.057861328125000e-01,    /* 322 */
+    -3.356933593750000e-02,    /* 323 */
+    }, {
+    -7.392838597297668e-02,    /* 324 */
+    7.972322404384613e-01,    /* 325 */
+    3.109144270420074e-01,    /* 326 */
+    -3.421828150749207e-02,    /* 327 */
+    }, {
+    -7.398819923400879e-02,    /* 328 */
+    7.927958965301514e-01,    /* 329 */
+    3.160603046417236e-01,    /* 330 */
+    -3.486800193786621e-02,    /* 331 */
+    }, {
+    -7.403215765953064e-02,    /* 332 */
+    7.883272469043732e-01,    /* 333 */
+    3.212232291698456e-01,    /* 334 */
+    -3.551831841468811e-02,    /* 335 */
+    }, {
+    -7.406044006347656e-02,    /* 336 */
+    7.838268280029297e-01,    /* 337 */
+    3.264026641845703e-01,    /* 338 */
+    -3.616905212402344e-02,    /* 339 */
+    }, {
+    -7.407322525978088e-02,    /* 340 */
+    7.792951762676239e-01,    /* 341 */
+    3.315980732440948e-01,    /* 342 */
+    -3.682002425193787e-02,    /* 343 */
+    }, {
+    -7.407069206237793e-02,    /* 344 */
+    7.747328281402588e-01,    /* 345 */
+    3.368089199066162e-01,    /* 346 */
+    -3.747105598449707e-02,    /* 347 */
+    }, {
+    -7.405301928520203e-02,    /* 348 */
+    7.701403200626373e-01,    /* 349 */
+    3.420346677303314e-01,    /* 350 */
+    -3.812196850776672e-02,    /* 351 */
+    }, {
+    -7.402038574218750e-02,    /* 352 */
+    7.655181884765625e-01,    /* 353 */
+    3.472747802734375e-01,    /* 354 */
+    -3.877258300781250e-02,    /* 355 */
+    }, {
+    -7.397297024726868e-02,    /* 356 */
+    7.608669698238373e-01,    /* 357 */
+    3.525287210941315e-01,    /* 358 */
+    -3.942272067070007e-02,    /* 359 */
+    }, {
+    -7.391095161437988e-02,    /* 360 */
+    7.561872005462646e-01,    /* 361 */
+    3.577959537506104e-01,    /* 362 */
+    -4.007220268249512e-02,    /* 363 */
+    }, {
+    -7.383450865745544e-02,    /* 364 */
+    7.514794170856476e-01,    /* 365 */
+    3.630759418010712e-01,    /* 366 */
+    -4.072085022926331e-02,    /* 367 */
+    }, {
+    -7.374382019042969e-02,    /* 368 */
+    7.467441558837891e-01,    /* 369 */
+    3.683681488037109e-01,    /* 370 */
+    -4.136848449707031e-02,    /* 371 */
+    }, {
+    -7.363906502723694e-02,    /* 372 */
+    7.419819533824921e-01,    /* 373 */
+    3.736720383167267e-01,    /* 374 */
+    -4.201492667198181e-02,    /* 375 */
+    }, {
+    -7.352042198181152e-02,    /* 376 */
+    7.371933460235596e-01,    /* 377 */
+    3.789870738983154e-01,    /* 378 */
+    -4.265999794006348e-02,    /* 379 */
+    }, {
+    -7.338806986808777e-02,    /* 380 */
+    7.323788702487946e-01,    /* 381 */
+    3.843127191066742e-01,    /* 382 */
+    -4.330351948738098e-02,    /* 383 */
+    }, {
+    -7.324218750000000e-02,    /* 384 */
+    7.275390625000000e-01,    /* 385 */
+    3.896484375000000e-01,    /* 386 */
+    -4.394531250000000e-02,    /* 387 */
+    }, {
+    -7.308295369148254e-02,    /* 388 */
+    7.226744592189789e-01,    /* 389 */
+    3.949936926364899e-01,    /* 390 */
+    -4.458519816398621e-02,    /* 391 */
+    }, {
+    -7.291054725646973e-02,    /* 392 */
+    7.177855968475342e-01,    /* 393 */
+    4.003479480743408e-01,    /* 394 */
+    -4.522299766540527e-02,    /* 395 */
+    }, {
+    -7.272514700889587e-02,    /* 396 */
+    7.128730118274689e-01,    /* 397 */
+    4.057106673717499e-01,    /* 398 */
+    -4.585853219032288e-02,    /* 399 */
+    }, {
+    -7.252693176269531e-02,    /* 400 */
+    7.079372406005859e-01,    /* 401 */
+    4.110813140869141e-01,    /* 402 */
+    -4.649162292480469e-02,    /* 403 */
+    }, {
+    -7.231608033180237e-02,    /* 404 */
+    7.029788196086884e-01,    /* 405 */
+    4.164593517780304e-01,    /* 406 */
+    -4.712209105491638e-02,    /* 407 */
+    }, {
+    -7.209277153015137e-02,    /* 408 */
+    6.979982852935791e-01,    /* 409 */
+    4.218442440032959e-01,    /* 410 */
+    -4.774975776672363e-02,    /* 411 */
+    }, {
+    -7.185718417167664e-02,    /* 412 */
+    6.929961740970612e-01,    /* 413 */
+    4.272354543209076e-01,    /* 414 */
+    -4.837444424629211e-02,    /* 415 */
+    }, {
+    -7.160949707031250e-02,    /* 416 */
+    6.879730224609375e-01,    /* 417 */
+    4.326324462890625e-01,    /* 418 */
+    -4.899597167968750e-02,    /* 419 */
+    }, {
+    -7.134988903999329e-02,    /* 420 */
+    6.829293668270111e-01,    /* 421 */
+    4.380346834659576e-01,    /* 422 */
+    -4.961416125297546e-02,    /* 423 */
+    }, {
+    -7.107853889465332e-02,    /* 424 */
+    6.778657436370850e-01,    /* 425 */
+    4.434416294097900e-01,    /* 426 */
+    -5.022883415222168e-02,    /* 427 */
+    }, {
+    -7.079562544822693e-02,    /* 428 */
+    6.727826893329620e-01,    /* 429 */
+    4.488527476787567e-01,    /* 430 */
+    -5.083981156349182e-02,    /* 431 */
+    }, {
+    -7.050132751464844e-02,    /* 432 */
+    6.676807403564453e-01,    /* 433 */
+    4.542675018310547e-01,    /* 434 */
+    -5.144691467285156e-02,    /* 435 */
+    }, {
+    -7.019582390785217e-02,    /* 436 */
+    6.625604331493378e-01,    /* 437 */
+    4.596853554248810e-01,    /* 438 */
+    -5.204996466636658e-02,    /* 439 */
+    }, {
+    -6.987929344177246e-02,    /* 440 */
+    6.574223041534424e-01,    /* 441 */
+    4.651057720184326e-01,    /* 442 */
+    -5.264878273010254e-02,    /* 443 */
+    }, {
+    -6.955191493034363e-02,    /* 444 */
+    6.522668898105621e-01,    /* 445 */
+    4.705282151699066e-01,    /* 446 */
+    -5.324319005012512e-02,    /* 447 */
+    }, {
+    -6.921386718750000e-02,    /* 448 */
+    6.470947265625000e-01,    /* 449 */
+    4.759521484375000e-01,    /* 450 */
+    -5.383300781250000e-02,    /* 451 */
+    }, {
+    -6.886532902717590e-02,    /* 452 */
+    6.419063508510590e-01,    /* 453 */
+    4.813770353794098e-01,    /* 454 */
+    -5.441805720329285e-02,    /* 455 */
+    }, {
+    -6.850647926330566e-02,    /* 456 */
+    6.367022991180420e-01,    /* 457 */
+    4.868023395538330e-01,    /* 458 */
+    -5.499815940856934e-02,    /* 459 */
+    }, {
+    -6.813749670982361e-02,    /* 460 */
+    6.314831078052521e-01,    /* 461 */
+    4.922275245189667e-01,    /* 462 */
+    -5.557313561439514e-02,    /* 463 */
+    }, {
+    -6.775856018066406e-02,    /* 464 */
+    6.262493133544922e-01,    /* 465 */
+    4.976520538330078e-01,    /* 466 */
+    -5.614280700683594e-02,    /* 467 */
+    }, {
+    -6.736984848976135e-02,    /* 468 */
+    6.210014522075653e-01,    /* 469 */
+    5.030753910541534e-01,    /* 470 */
+    -5.670699477195740e-02,    /* 471 */
+    }, {
+    -6.697154045104980e-02,    /* 472 */
+    6.157400608062744e-01,    /* 473 */
+    5.084969997406006e-01,    /* 474 */
+    -5.726552009582520e-02,    /* 475 */
+    }, {
+    -6.656381487846375e-02,    /* 476 */
+    6.104656755924225e-01,    /* 477 */
+    5.139163434505463e-01,    /* 478 */
+    -5.781820416450500e-02,    /* 479 */
+    }, {
+    -6.614685058593750e-02,    /* 480 */
+    6.051788330078125e-01,    /* 481 */
+    5.193328857421875e-01,    /* 482 */
+    -5.836486816406250e-02,    /* 483 */
+    }, {
+    -6.572082638740540e-02,    /* 484 */
+    5.998800694942474e-01,    /* 485 */
+    5.247460901737213e-01,    /* 486 */
+    -5.890533328056335e-02,    /* 487 */
+    }, {
+    -6.528592109680176e-02,    /* 488 */
+    5.945699214935303e-01,    /* 489 */
+    5.301554203033447e-01,    /* 490 */
+    -5.943942070007324e-02,    /* 491 */
+    }, {
+    -6.484231352806091e-02,    /* 492 */
+    5.892489254474640e-01,    /* 493 */
+    5.355603396892548e-01,    /* 494 */
+    -5.996695160865784e-02,    /* 495 */
+    }, {
+    -6.439018249511719e-02,    /* 496 */
+    5.839176177978516e-01,    /* 497 */
+    5.409603118896484e-01,    /* 498 */
+    -6.048774719238281e-02,    /* 499 */
+    }, {
+    -6.392970681190491e-02,    /* 500 */
+    5.785765349864960e-01,    /* 501 */
+    5.463548004627228e-01,    /* 502 */
+    -6.100162863731384e-02,    /* 503 */
+    }, {
+    -6.346106529235840e-02,    /* 504 */
+    5.732262134552002e-01,    /* 505 */
+    5.517432689666748e-01,    /* 506 */
+    -6.150841712951660e-02,    /* 507 */
+    }, {
+    -6.298443675041199e-02,    /* 508 */
+    5.678671896457672e-01,    /* 509 */
+    5.571251809597015e-01,    /* 510 */
+    -6.200793385505676e-02,    /* 511 */
+    }, {
+    -6.250000000000000e-02,    /* 512 */
+    5.625000000000000e-01,    /* 513 */
+    5.625000000000000e-01,    /* 514 */
+    -6.250000000000000e-02,    /* 515 */
+    }, {
+    -6.200793385505676e-02,    /* 516 */
+    5.571251809597015e-01,    /* 517 */
+    5.678671896457672e-01,    /* 518 */
+    -6.298443675041199e-02,    /* 519 */
+    }, {
+    -6.150841712951660e-02,    /* 520 */
+    5.517432689666748e-01,    /* 521 */
+    5.732262134552002e-01,    /* 522 */
+    -6.346106529235840e-02,    /* 523 */
+    }, {
+    -6.100162863731384e-02,    /* 524 */
+    5.463548004627228e-01,    /* 525 */
+    5.785765349864960e-01,    /* 526 */
+    -6.392970681190491e-02,    /* 527 */
+    }, {
+    -6.048774719238281e-02,    /* 528 */
+    5.409603118896484e-01,    /* 529 */
+    5.839176177978516e-01,    /* 530 */
+    -6.439018249511719e-02,    /* 531 */
+    }, {
+    -5.996695160865784e-02,    /* 532 */
+    5.355603396892548e-01,    /* 533 */
+    5.892489254474640e-01,    /* 534 */
+    -6.484231352806091e-02,    /* 535 */
+    }, {
+    -5.943942070007324e-02,    /* 536 */
+    5.301554203033447e-01,    /* 537 */
+    5.945699214935303e-01,    /* 538 */
+    -6.528592109680176e-02,    /* 539 */
+    }, {
+    -5.890533328056335e-02,    /* 540 */
+    5.247460901737213e-01,    /* 541 */
+    5.998800694942474e-01,    /* 542 */
+    -6.572082638740540e-02,    /* 543 */
+    }, {
+    -5.836486816406250e-02,    /* 544 */
+    5.193328857421875e-01,    /* 545 */
+    6.051788330078125e-01,    /* 546 */
+    -6.614685058593750e-02,    /* 547 */
+    }, {
+    -5.781820416450500e-02,    /* 548 */
+    5.139163434505463e-01,    /* 549 */
+    6.104656755924225e-01,    /* 550 */
+    -6.656381487846375e-02,    /* 551 */
+    }, {
+    -5.726552009582520e-02,    /* 552 */
+    5.084969997406006e-01,    /* 553 */
+    6.157400608062744e-01,    /* 554 */
+    -6.697154045104980e-02,    /* 555 */
+    }, {
+    -5.670699477195740e-02,    /* 556 */
+    5.030753910541534e-01,    /* 557 */
+    6.210014522075653e-01,    /* 558 */
+    -6.736984848976135e-02,    /* 559 */
+    }, {
+    -5.614280700683594e-02,    /* 560 */
+    4.976520538330078e-01,    /* 561 */
+    6.262493133544922e-01,    /* 562 */
+    -6.775856018066406e-02,    /* 563 */
+    }, {
+    -5.557313561439514e-02,    /* 564 */
+    4.922275245189667e-01,    /* 565 */
+    6.314831078052521e-01,    /* 566 */
+    -6.813749670982361e-02,    /* 567 */
+    }, {
+    -5.499815940856934e-02,    /* 568 */
+    4.868023395538330e-01,    /* 569 */
+    6.367022991180420e-01,    /* 570 */
+    -6.850647926330566e-02,    /* 571 */
+    }, {
+    -5.441805720329285e-02,    /* 572 */
+    4.813770353794098e-01,    /* 573 */
+    6.419063508510590e-01,    /* 574 */
+    -6.886532902717590e-02,    /* 575 */
+    }, {
+    -5.383300781250000e-02,    /* 576 */
+    4.759521484375000e-01,    /* 577 */
+    6.470947265625000e-01,    /* 578 */
+    -6.921386718750000e-02,    /* 579 */
+    }, {
+    -5.324319005012512e-02,    /* 580 */
+    4.705282151699066e-01,    /* 581 */
+    6.522668898105621e-01,    /* 582 */
+    -6.955191493034363e-02,    /* 583 */
+    }, {
+    -5.264878273010254e-02,    /* 584 */
+    4.651057720184326e-01,    /* 585 */
+    6.574223041534424e-01,    /* 586 */
+    -6.987929344177246e-02,    /* 587 */
+    }, {
+    -5.204996466636658e-02,    /* 588 */
+    4.596853554248810e-01,    /* 589 */
+    6.625604331493378e-01,    /* 590 */
+    -7.019582390785217e-02,    /* 591 */
+    }, {
+    -5.144691467285156e-02,    /* 592 */
+    4.542675018310547e-01,    /* 593 */
+    6.676807403564453e-01,    /* 594 */
+    -7.050132751464844e-02,    /* 595 */
+    }, {
+    -5.083981156349182e-02,    /* 596 */
+    4.488527476787567e-01,    /* 597 */
+    6.727826893329620e-01,    /* 598 */
+    -7.079562544822693e-02,    /* 599 */
+    }, {
+    -5.022883415222168e-02,    /* 600 */
+    4.434416294097900e-01,    /* 601 */
+    6.778657436370850e-01,    /* 602 */
+    -7.107853889465332e-02,    /* 603 */
+    }, {
+    -4.961416125297546e-02,    /* 604 */
+    4.380346834659576e-01,    /* 605 */
+    6.829293668270111e-01,    /* 606 */
+    -7.134988903999329e-02,    /* 607 */
+    }, {
+    -4.899597167968750e-02,    /* 608 */
+    4.326324462890625e-01,    /* 609 */
+    6.879730224609375e-01,    /* 610 */
+    -7.160949707031250e-02,    /* 611 */
+    }, {
+    -4.837444424629211e-02,    /* 612 */
+    4.272354543209076e-01,    /* 613 */
+    6.929961740970612e-01,    /* 614 */
+    -7.185718417167664e-02,    /* 615 */
+    }, {
+    -4.774975776672363e-02,    /* 616 */
+    4.218442440032959e-01,    /* 617 */
+    6.979982852935791e-01,    /* 618 */
+    -7.209277153015137e-02,    /* 619 */
+    }, {
+    -4.712209105491638e-02,    /* 620 */
+    4.164593517780304e-01,    /* 621 */
+    7.029788196086884e-01,    /* 622 */
+    -7.231608033180237e-02,    /* 623 */
+    }, {
+    -4.649162292480469e-02,    /* 624 */
+    4.110813140869141e-01,    /* 625 */
+    7.079372406005859e-01,    /* 626 */
+    -7.252693176269531e-02,    /* 627 */
+    }, {
+    -4.585853219032288e-02,    /* 628 */
+    4.057106673717499e-01,    /* 629 */
+    7.128730118274689e-01,    /* 630 */
+    -7.272514700889587e-02,    /* 631 */
+    }, {
+    -4.522299766540527e-02,    /* 632 */
+    4.003479480743408e-01,    /* 633 */
+    7.177855968475342e-01,    /* 634 */
+    -7.291054725646973e-02,    /* 635 */
+    }, {
+    -4.458519816398621e-02,    /* 636 */
+    3.949936926364899e-01,    /* 637 */
+    7.226744592189789e-01,    /* 638 */
+    -7.308295369148254e-02,    /* 639 */
+    }, {
+    -4.394531250000000e-02,    /* 640 */
+    3.896484375000000e-01,    /* 641 */
+    7.275390625000000e-01,    /* 642 */
+    -7.324218750000000e-02,    /* 643 */
+    }, {
+    -4.330351948738098e-02,    /* 644 */
+    3.843127191066742e-01,    /* 645 */
+    7.323788702487946e-01,    /* 646 */
+    -7.338806986808777e-02,    /* 647 */
+    }, {
+    -4.265999794006348e-02,    /* 648 */
+    3.789870738983154e-01,    /* 649 */
+    7.371933460235596e-01,    /* 650 */
+    -7.352042198181152e-02,    /* 651 */
+    }, {
+    -4.201492667198181e-02,    /* 652 */
+    3.736720383167267e-01,    /* 653 */
+    7.419819533824921e-01,    /* 654 */
+    -7.363906502723694e-02,    /* 655 */
+    }, {
+    -4.136848449707031e-02,    /* 656 */
+    3.683681488037109e-01,    /* 657 */
+    7.467441558837891e-01,    /* 658 */
+    -7.374382019042969e-02,    /* 659 */
+    }, {
+    -4.072085022926331e-02,    /* 660 */
+    3.630759418010712e-01,    /* 661 */
+    7.514794170856476e-01,    /* 662 */
+    -7.383450865745544e-02,    /* 663 */
+    }, {
+    -4.007220268249512e-02,    /* 664 */
+    3.577959537506104e-01,    /* 665 */
+    7.561872005462646e-01,    /* 666 */
+    -7.391095161437988e-02,    /* 667 */
+    }, {
+    -3.942272067070007e-02,    /* 668 */
+    3.525287210941315e-01,    /* 669 */
+    7.608669698238373e-01,    /* 670 */
+    -7.397297024726868e-02,    /* 671 */
+    }, {
+    -3.877258300781250e-02,    /* 672 */
+    3.472747802734375e-01,    /* 673 */
+    7.655181884765625e-01,    /* 674 */
+    -7.402038574218750e-02,    /* 675 */
+    }, {
+    -3.812196850776672e-02,    /* 676 */
+    3.420346677303314e-01,    /* 677 */
+    7.701403200626373e-01,    /* 678 */
+    -7.405301928520203e-02,    /* 679 */
+    }, {
+    -3.747105598449707e-02,    /* 680 */
+    3.368089199066162e-01,    /* 681 */
+    7.747328281402588e-01,    /* 682 */
+    -7.407069206237793e-02,    /* 683 */
+    }, {
+    -3.682002425193787e-02,    /* 684 */
+    3.315980732440948e-01,    /* 685 */
+    7.792951762676239e-01,    /* 686 */
+    -7.407322525978088e-02,    /* 687 */
+    }, {
+    -3.616905212402344e-02,    /* 688 */
+    3.264026641845703e-01,    /* 689 */
+    7.838268280029297e-01,    /* 690 */
+    -7.406044006347656e-02,    /* 691 */
+    }, {
+    -3.551831841468811e-02,    /* 692 */
+    3.212232291698456e-01,    /* 693 */
+    7.883272469043732e-01,    /* 694 */
+    -7.403215765953064e-02,    /* 695 */
+    }, {
+    -3.486800193786621e-02,    /* 696 */
+    3.160603046417236e-01,    /* 697 */
+    7.927958965301514e-01,    /* 698 */
+    -7.398819923400879e-02,    /* 699 */
+    }, {
+    -3.421828150749207e-02,    /* 700 */
+    3.109144270420074e-01,    /* 701 */
+    7.972322404384613e-01,    /* 702 */
+    -7.392838597297668e-02,    /* 703 */
+    }, {
+    -3.356933593750000e-02,    /* 704 */
+    3.057861328125000e-01,    /* 705 */
+    8.016357421875000e-01,    /* 706 */
+    -7.385253906250000e-02,    /* 707 */
+    }, {
+    -3.292134404182434e-02,    /* 708 */
+    3.006759583950043e-01,    /* 709 */
+    8.060058653354645e-01,    /* 710 */
+    -7.376047968864441e-02,    /* 711 */
+    }, {
+    -3.227448463439941e-02,    /* 712 */
+    2.955844402313232e-01,    /* 713 */
+    8.103420734405518e-01,    /* 714 */
+    -7.365202903747559e-02,    /* 715 */
+    }, {
+    -3.162893652915955e-02,    /* 716 */
+    2.905121147632599e-01,    /* 717 */
+    8.146438300609589e-01,    /* 718 */
+    -7.352700829505920e-02,    /* 719 */
+    }, {
+    -3.098487854003906e-02,    /* 720 */
+    2.854595184326172e-01,    /* 721 */
+    8.189105987548828e-01,    /* 722 */
+    -7.338523864746094e-02,    /* 723 */
+    }, {
+    -3.034248948097229e-02,    /* 724 */
+    2.804271876811981e-01,    /* 725 */
+    8.231418430805206e-01,    /* 726 */
+    -7.322654128074646e-02,    /* 727 */
+    }, {
+    -2.970194816589355e-02,    /* 728 */
+    2.754156589508057e-01,    /* 729 */
+    8.273370265960693e-01,    /* 730 */
+    -7.305073738098145e-02,    /* 731 */
+    }, {
+    -2.906343340873718e-02,    /* 732 */
+    2.704254686832428e-01,    /* 733 */
+    8.314956128597260e-01,    /* 734 */
+    -7.285764813423157e-02,    /* 735 */
+    }, {
+    -2.842712402343750e-02,    /* 736 */
+    2.654571533203125e-01,    /* 737 */
+    8.356170654296875e-01,    /* 738 */
+    -7.264709472656250e-02,    /* 739 */
+    }, {
+    -2.779319882392883e-02,    /* 740 */
+    2.605112493038177e-01,    /* 741 */
+    8.397008478641510e-01,    /* 742 */
+    -7.241889834403992e-02,    /* 743 */
+    }, {
+    -2.716183662414551e-02,    /* 744 */
+    2.555882930755615e-01,    /* 745 */
+    8.437464237213135e-01,    /* 746 */
+    -7.217288017272949e-02,    /* 747 */
+    }, {
+    -2.653321623802185e-02,    /* 748 */
+    2.506888210773468e-01,    /* 749 */
+    8.477532565593719e-01,    /* 750 */
+    -7.190886139869690e-02,    /* 751 */
+    }, {
+    -2.590751647949219e-02,    /* 752 */
+    2.458133697509766e-01,    /* 753 */
+    8.517208099365234e-01,    /* 754 */
+    -7.162666320800781e-02,    /* 755 */
+    }, {
+    -2.528491616249084e-02,    /* 756 */
+    2.409624755382538e-01,    /* 757 */
+    8.556485474109650e-01,    /* 758 */
+    -7.132610678672791e-02,    /* 759 */
+    }, {
+    -2.466559410095215e-02,    /* 760 */
+    2.361366748809814e-01,    /* 761 */
+    8.595359325408936e-01,    /* 762 */
+    -7.100701332092285e-02,    /* 763 */
+    }, {
+    -2.404972910881042e-02,    /* 764 */
+    2.313365042209625e-01,    /* 765 */
+    8.633824288845062e-01,    /* 766 */
+    -7.066920399665833e-02,    /* 767 */
+    }, {
+    -2.343750000000000e-02,    /* 768 */
+    2.265625000000000e-01,    /* 769 */
+    8.671875000000000e-01,    /* 770 */
+    -7.031250000000000e-02,    /* 771 */
+    }, {
+    -2.282908558845520e-02,    /* 772 */
+    2.218151986598969e-01,    /* 773 */
+    8.709506094455719e-01,    /* 774 */
+    -6.993672251701355e-02,    /* 775 */
+    }, {
+    -2.222466468811035e-02,    /* 776 */
+    2.170951366424561e-01,    /* 777 */
+    8.746712207794189e-01,    /* 778 */
+    -6.954169273376465e-02,    /* 779 */
+    }, {
+    -2.162441611289978e-02,    /* 780 */
+    2.124028503894806e-01,    /* 781 */
+    8.783487975597382e-01,    /* 782 */
+    -6.912723183631897e-02,    /* 783 */
+    }, {
+    -2.102851867675781e-02,    /* 784 */
+    2.077388763427734e-01,    /* 785 */
+    8.819828033447266e-01,    /* 786 */
+    -6.869316101074219e-02,    /* 787 */
+    }, {
+    -2.043715119361877e-02,    /* 788 */
+    2.031037509441376e-01,    /* 789 */
+    8.855727016925812e-01,    /* 790 */
+    -6.823930144309998e-02,    /* 791 */
+    }, {
+    -1.985049247741699e-02,    /* 792 */
+    1.984980106353760e-01,    /* 793 */
+    8.891179561614990e-01,    /* 794 */
+    -6.776547431945801e-02,    /* 795 */
+    }, {
+    -1.926872134208679e-02,    /* 796 */
+    1.939221918582916e-01,    /* 797 */
+    8.926180303096771e-01,    /* 798 */
+    -6.727150082588196e-02,    /* 799 */
+    }, {
+    -1.869201660156250e-02,    /* 800 */
+    1.893768310546875e-01,    /* 801 */
+    8.960723876953125e-01,    /* 802 */
+    -6.675720214843750e-02,    /* 803 */
+    }, {
+    -1.812055706977844e-02,    /* 804 */
+    1.848624646663666e-01,    /* 805 */
+    8.994804918766022e-01,    /* 806 */
+    -6.622239947319031e-02,    /* 807 */
+    }, {
+    -1.755452156066895e-02,    /* 808 */
+    1.803796291351318e-01,    /* 809 */
+    9.028418064117432e-01,    /* 810 */
+    -6.566691398620605e-02,    /* 811 */
+    }, {
+    -1.699408888816833e-02,    /* 812 */
+    1.759288609027863e-01,    /* 813 */
+    9.061557948589325e-01,    /* 814 */
+    -6.509056687355042e-02,    /* 815 */
+    }, {
+    -1.643943786621094e-02,    /* 816 */
+    1.715106964111328e-01,    /* 817 */
+    9.094219207763672e-01,    /* 818 */
+    -6.449317932128906e-02,    /* 819 */
+    }, {
+    -1.589074730873108e-02,    /* 820 */
+    1.671256721019745e-01,    /* 821 */
+    9.126396477222443e-01,    /* 822 */
+    -6.387457251548767e-02,    /* 823 */
+    }, {
+    -1.534819602966309e-02,    /* 824 */
+    1.627743244171143e-01,    /* 825 */
+    9.158084392547607e-01,    /* 826 */
+    -6.323456764221191e-02,    /* 827 */
+    }, {
+    -1.481196284294128e-02,    /* 828 */
+    1.584571897983551e-01,    /* 829 */
+    9.189277589321136e-01,    /* 830 */
+    -6.257298588752747e-02,    /* 831 */
+    }, {
+    -1.428222656250000e-02,    /* 832 */
+    1.541748046875000e-01,    /* 833 */
+    9.219970703125000e-01,    /* 834 */
+    -6.188964843750000e-02,    /* 835 */
+    }, {
+    -1.375916600227356e-02,    /* 836 */
+    1.499277055263519e-01,    /* 837 */
+    9.250158369541168e-01,    /* 838 */
+    -6.118437647819519e-02,    /* 839 */
+    }, {
+    -1.324295997619629e-02,    /* 840 */
+    1.457164287567139e-01,    /* 841 */
+    9.279835224151611e-01,    /* 842 */
+    -6.045699119567871e-02,    /* 843 */
+    }, {
+    -1.273378729820251e-02,    /* 844 */
+    1.415415108203888e-01,    /* 845 */
+    9.308995902538300e-01,    /* 846 */
+    -5.970731377601624e-02,    /* 847 */
+    }, {
+    -1.223182678222656e-02,    /* 848 */
+    1.374034881591797e-01,    /* 849 */
+    9.337635040283203e-01,    /* 850 */
+    -5.893516540527344e-02,    /* 851 */
+    }, {
+    -1.173725724220276e-02,    /* 852 */
+    1.333028972148895e-01,    /* 853 */
+    9.365747272968292e-01,    /* 854 */
+    -5.814036726951599e-02,    /* 855 */
+    }, {
+    -1.125025749206543e-02,    /* 856 */
+    1.292402744293213e-01,    /* 857 */
+    9.393327236175537e-01,    /* 858 */
+    -5.732274055480957e-02,    /* 859 */
+    }, {
+    -1.077100634574890e-02,    /* 860 */
+    1.252161562442780e-01,    /* 861 */
+    9.420369565486908e-01,    /* 862 */
+    -5.648210644721985e-02,    /* 863 */
+    }, {
+    -1.029968261718750e-02,    /* 864 */
+    1.212310791015625e-01,    /* 865 */
+    9.446868896484375e-01,    /* 866 */
+    -5.561828613281250e-02,    /* 867 */
+    }, {
+    -9.836465120315552e-03,    /* 868 */
+    1.172855794429779e-01,    /* 869 */
+    9.472819864749908e-01,    /* 870 */
+    -5.473110079765320e-02,    /* 871 */
+    }, {
+    -9.381532669067383e-03,    /* 872 */
+    1.133801937103271e-01,    /* 873 */
+    9.498217105865479e-01,    /* 874 */
+    -5.382037162780762e-02,    /* 875 */
+    }, {
+    -8.935064077377319e-03,    /* 876 */
+    1.095154583454132e-01,    /* 877 */
+    9.523055255413055e-01,    /* 878 */
+    -5.288591980934143e-02,    /* 879 */
+    }, {
+    -8.497238159179688e-03,    /* 880 */
+    1.056919097900391e-01,    /* 881 */
+    9.547328948974609e-01,    /* 882 */
+    -5.192756652832031e-02,    /* 883 */
+    }, {
+    -8.068233728408813e-03,    /* 884 */
+    1.019100844860077e-01,    /* 885 */
+    9.571032822132111e-01,    /* 886 */
+    -5.094513297080994e-02,    /* 887 */
+    }, {
+    -7.648229598999023e-03,    /* 888 */
+    9.817051887512207e-02,    /* 889 */
+    9.594161510467529e-01,    /* 890 */
+    -4.993844032287598e-02,    /* 891 */
+    }, {
+    -7.237404584884644e-03,    /* 892 */
+    9.447374939918518e-02,    /* 893 */
+    9.616709649562836e-01,    /* 894 */
+    -4.890730977058411e-02,    /* 895 */
+    }, {
+    -6.835937500000000e-03,    /* 896 */
+    9.082031250000000e-02,    /* 897 */
+    9.638671875000000e-01,    /* 898 */
+    -4.785156250000000e-02,    /* 899 */
+    }, {
+    -6.444007158279419e-03,    /* 900 */
+    8.721074461936951e-02,    /* 901 */
+    9.660042822360992e-01,    /* 902 */
+    -4.677101969718933e-02,    /* 903 */
+    }, {
+    -6.061792373657227e-03,    /* 904 */
+    8.364558219909668e-02,    /* 905 */
+    9.680817127227783e-01,    /* 906 */
+    -4.566550254821777e-02,    /* 907 */
+    }, {
+    -5.689471960067749e-03,    /* 908 */
+    8.012536168098450e-02,    /* 909 */
+    9.700989425182343e-01,    /* 910 */
+    -4.453483223915100e-02,    /* 911 */
+    }, {
+    -5.327224731445312e-03,    /* 912 */
+    7.665061950683594e-02,    /* 913 */
+    9.720554351806641e-01,    /* 914 */
+    -4.337882995605469e-02,    /* 915 */
+    }, {
+    -4.975229501724243e-03,    /* 916 */
+    7.322189211845398e-02,    /* 917 */
+    9.739506542682648e-01,    /* 918 */
+    -4.219731688499451e-02,    /* 919 */
+    }, {
+    -4.633665084838867e-03,    /* 920 */
+    6.983971595764160e-02,    /* 921 */
+    9.757840633392334e-01,    /* 922 */
+    -4.099011421203613e-02,    /* 923 */
+    }, {
+    -4.302710294723511e-03,    /* 924 */
+    6.650462746620178e-02,    /* 925 */
+    9.775551259517670e-01,    /* 926 */
+    -3.975704312324524e-02,    /* 927 */
+    }, {
+    -3.982543945312500e-03,    /* 928 */
+    6.321716308593750e-02,    /* 929 */
+    9.792633056640625e-01,    /* 930 */
+    -3.849792480468750e-02,    /* 931 */
+    }, {
+    -3.673344850540161e-03,    /* 932 */
+    5.997785925865173e-02,    /* 933 */
+    9.809080660343170e-01,    /* 934 */
+    -3.721258044242859e-02,    /* 935 */
+    }, {
+    -3.375291824340820e-03,    /* 936 */
+    5.678725242614746e-02,    /* 937 */
+    9.824888706207275e-01,    /* 938 */
+    -3.590083122253418e-02,    /* 939 */
+    }, {
+    -3.088563680648804e-03,    /* 940 */
+    5.364587903022766e-02,    /* 941 */
+    9.840051829814911e-01,    /* 942 */
+    -3.456249833106995e-02,    /* 943 */
+    }, {
+    -2.813339233398438e-03,    /* 944 */
+    5.055427551269531e-02,    /* 945 */
+    9.854564666748047e-01,    /* 946 */
+    -3.319740295410156e-02,    /* 947 */
+    }, {
+    -2.549797296524048e-03,    /* 948 */
+    4.751297831535339e-02,    /* 949 */
+    9.868421852588654e-01,    /* 950 */
+    -3.180536627769470e-02,    /* 951 */
+    }, {
+    -2.298116683959961e-03,    /* 952 */
+    4.452252388000488e-02,    /* 953 */
+    9.881618022918701e-01,    /* 954 */
+    -3.038620948791504e-02,    /* 955 */
+    }, {
+    -2.058476209640503e-03,    /* 956 */
+    4.158344864845276e-02,    /* 957 */
+    9.894147813320160e-01,    /* 958 */
+    -2.893975377082825e-02,    /* 959 */
+    }, {
+    -1.831054687500000e-03,    /* 960 */
+    3.869628906250000e-02,    /* 961 */
+    9.906005859375000e-01,    /* 962 */
+    -2.746582031250000e-02,    /* 963 */
+    }, {
+    -1.616030931472778e-03,    /* 964 */
+    3.586158156394958e-02,    /* 965 */
+    9.917186796665192e-01,    /* 966 */
+    -2.596423029899597e-02,    /* 967 */
+    }, {
+    -1.413583755493164e-03,    /* 968 */
+    3.307986259460449e-02,    /* 969 */
+    9.927685260772705e-01,    /* 970 */
+    -2.443480491638184e-02,    /* 971 */
+    }, {
+    -1.223891973495483e-03,    /* 972 */
+    3.035166859626770e-02,    /* 973 */
+    9.937495887279510e-01,    /* 974 */
+    -2.287736535072327e-02,    /* 975 */
+    }, {
+    -1.047134399414062e-03,    /* 976 */
+    2.767753601074219e-02,    /* 977 */
+    9.946613311767578e-01,    /* 978 */
+    -2.129173278808594e-02,    /* 979 */
+    }, {
+    -8.834898471832275e-04,    /* 980 */
+    2.505800127983093e-02,    /* 981 */
+    9.955032169818878e-01,    /* 982 */
+    -1.967772841453552e-02,    /* 983 */
+    }, {
+    -7.331371307373047e-04,    /* 984 */
+    2.249360084533691e-02,    /* 985 */
+    9.962747097015381e-01,    /* 986 */
+    -1.803517341613770e-02,    /* 987 */
+    }, {
+    -5.962550640106201e-04,    /* 988 */
+    1.998487114906311e-02,    /* 989 */
+    9.969752728939056e-01,    /* 990 */
+    -1.636388897895813e-02,    /* 991 */
+    }, {
+    -4.730224609375000e-04,    /* 992 */
+    1.753234863281250e-02,    /* 993 */
+    9.976043701171875e-01,    /* 994 */
+    -1.466369628906250e-02,    /* 995 */
+    }, {
+    -3.636181354522705e-04,    /* 996 */
+    1.513656973838806e-02,    /* 997 */
+    9.981614649295807e-01,    /* 998 */
+    -1.293441653251648e-02,    /* 999 */
+    }, {
+    -2.682209014892578e-04,    /* 1000 */
+    1.279807090759277e-02,    /* 1001 */
+    9.986460208892822e-01,    /* 1002 */
+    -1.117587089538574e-02,    /* 1003 */
+    }, {
+    -1.870095729827881e-04,    /* 1004 */
+    1.051738858222961e-02,    /* 1005 */
+    9.990575015544891e-01,    /* 1006 */
+    -9.387880563735962e-03,    /* 1007 */
+    }, {
+    -1.201629638671875e-04,    /* 1008 */
+    8.295059204101562e-03,    /* 1009 */
+    9.993953704833984e-01,    /* 1010 */
+    -7.570266723632812e-03,    /* 1011 */
+    }, {
+    -6.785988807678223e-05,    /* 1012 */
+    6.131619215011597e-03,    /* 1013 */
+    9.996590912342072e-01,    /* 1014 */
+    -5.722850561141968e-03,    /* 1015 */
+    }, {
+    -3.027915954589844e-05,    /* 1016 */
+    4.027605056762695e-03,    /* 1017 */
+    9.998481273651123e-01,    /* 1018 */
+    -3.845453262329102e-03,    /* 1019 */
+    }, {
+    -7.599592208862305e-06,    /* 1020 */
+    1.983553171157837e-03,    /* 1021 */
+    9.999619424343109e-01,    /* 1022 */
+    -1.937896013259888e-03,    /* 1023 */
+    }
+};
+
+static const fluid_real_t sinc_table7[256][7] = {
+    {
+    2.375620125729980e-02,    /* 0 */
+    -1.290049686942476e-01,    /* 1 */
+    5.998790953453343e-01,    /* 2 */
+    6.103020511314905e-01,    /* 3 */
+    -1.304058543975903e-01,    /* 4 */
+    2.418010665366927e-02,    /* 5 */
+    -2.798064002790454e-07,    /* 6 */
+    }, {
+    2.354065170871666e-02,    /* 7 */
+    -1.282805558938982e-01,    /* 8 */
+    5.946483199408858e-01,    /* 9 */
+    6.154931623267351e-01,    /* 10 */
+    -1.310817379215285e-01,    /* 11 */
+    2.438827747279956e-02,    /* 12 */
+    -1.120220972351802e-06,    /* 13 */
+    }, {
+    2.332282679065955e-02,    /* 14 */
+    -1.275405562274653e-01,    /* 15 */
+    5.894053926563386e-01,    /* 16 */
+    6.206699834160688e-01,    /* 17 */
+    -1.317408559206581e-01,    /* 18 */
+    2.459380290371239e-02,    /* 19 */
+    -2.522356622734990e-06,    /* 20 */
+    }, {
+    2.310281775655174e-02,    /* 21 */
+    -1.267852645808413e-01,    /* 22 */
+    5.841508484795060e-01,    /* 23 */
+    6.258319806421593e-01,    /* 24 */
+    -1.323829141999531e-01,    /* 25 */
+    2.479658928687493e-02,    /* 26 */
+    -4.486817393493708e-06,    /* 27 */
+    }, {
+    2.288071532172811e-02,    /* 28 */
+    -1.260149758298408e-01,    /* 29 */
+    5.788852224239674e-01,    /* 30 */
+    6.309786207146856e-01,    /* 31 */
+    -1.330076188523975e-01,    /* 32 */
+    2.499654254034837e-02,    /* 33 */
+    -7.013696123785544e-06,    /* 34 */
+    }, {
+    2.265660964514263e-02,    /* 35 */
+    -1.252299847913509e-01,    /* 36 */
+    5.736090494558752e-01,    /* 37 */
+    6.361093708841161e-01,    /* 38 */
+    -1.336146763094198e-01,    /* 39 */
+    2.519356818002896e-02,    /* 40 */
+    -1.010257230258042e-05,    /* 41 */
+    }, {
+    2.243059031136537e-02,    /* 42 */
+    -1.244305861747393e-01,    /* 43 */
+    5.683228644208926e-01,    /* 44 */
+    6.412236990155202e-01,    /* 45 */
+    -1.342037933915221e-01,    /* 46 */
+    2.538757134015553e-02,    /* 47 */
+    -1.375251011368080e-05,    /* 48 */
+    }, {
+    2.220274631287172e-02,    /* 49 */
+    -1.236170745335310e-01,    /* 50 */
+    5.630272019712755e-01,    /* 51 */
+    6.463210736624057e-01,    /* 52 */
+    -1.347746773590917e-01,    /* 53 */
+    2.557845679407980e-02,    /* 54 */
+    -1.796205667443242e-05,    /* 55 */
+    }, {
+    2.197316603262602e-02,    /* 56 */
+    -1.227897442173580e-01,    /* 57 */
+    5.577225964931086e-01,    /* 58 */
+    6.514009641405650e-01,    /* 59 */
+    -1.353270359633906e-01,    /* 60 */
+    2.576612897529643e-02,    /* 61 */
+    -2.272924046911682e-05,    /* 62 */
+    }, {
+    2.174193722696236e-02,    /* 63 */
+    -1.219488893241928e-01,    /* 64 */
+    5.524095820337069e-01,    /* 65 */
+    6.564628406019232e-01,    /* 66 */
+    -1.358605774977103e-01,    /* 67 */
+    2.595049199872917e-02,    /* 68 */
+    -2.805156997831240e-05,    /* 69 */
+    }, {
+    2.150914700876424e-02,    /* 70 */
+    -1.210948036528713e-01,    /* 71 */
+    5.470886922291980e-01,    /* 72 */
+    6.615061741083712e-01,    /* 73 */
+    -1.363750108486864e-01,    /* 74 */
+    2.613144968226988e-02,    /* 75 */
+    -3.392603250514114e-05,    /* 76 */
+    }, {
+    2.127488183094605e-02,    /* 77 */
+    -1.202277806559141e-01,    /* 78 */
+    5.417604602322907e-01,    /* 79 */
+    6.665304367055752e-01,    /* 80 */
+    -1.368700455477614e-01,    /* 81 */
+    2.630890556856650e-02,    /* 82 */
+    -4.034909319948082e-05,    /* 83 */
+    }, {
+    2.103922747023789e-02,    /* 84 */
+    -1.193481133926526e-01,    /* 85 */
+    5.364254186402488e-01,    /* 86 */
+    6.715351014967476e-01,    /* 87 */
+    -1.373453918227895e-01,    /* 88 */
+    2.648276294705649e-02,    /* 89 */
+    -4.731669428110093e-05,    /* 90 */
+    }, {
+    2.080226901127631e-02,    /* 91 */
+    -1.184560944826678e-01,    /* 92 */
+    5.310840994230748e-01,    /* 93 */
+    6.765196427163698e-01,    /* 94 */
+    -1.378007606497726e-01,    /* 95 */
+    2.665292487624222e-02,    /* 96 */
+    -5.482425446254296e-05,    /* 97 */
+    }, {
+    2.056409083100217e-02,    /* 98 */
+    -1.175520160595501e-01,    /* 99 */
+    5.257370338519197e-01,    /* 100 */
+    6.814835358038533e-01,    /* 101 */
+    -1.382358638047184e-01,    /* 102 */
+    2.681929420620386e-02,    /* 103 */
+    -6.286666857267136e-05,    /* 104 */
+    }, {
+    2.032477658336845e-02,    /* 105 */
+    -1.166361697249849e-01,    /* 106 */
+    5.203847524277286e-01,    /* 107 */
+    6.864262574771270e-01,    /* 108 */
+    -1.386504139156142e-01,    /* 109 */
+    2.698177360134680e-02,    /* 110 */
+    -7.143830738156712e-05,    /* 111 */
+    }, {
+    2.008440918435909e-02,    /* 112 */
+    -1.157088465031742e-01,    /* 113 */
+    5.150277848101327e-01,    /* 114 */
+    6.913472858061384e-01,    /* 115 */
+    -1.390441245145027e-01,    /* 116 */
+    2.714026556337870e-02,    /* 117 */
+    -8.053301762762107e-05,    /* 118 */
+    }, {
+    1.984307079732106e-02,    /* 119 */
+    -1.147703367955984e-01,    /* 120 */
+    5.096666597466010e-01,    /* 121 */
+    6.962461002862578e-01,    /* 122 */
+    -1.394167100896560e-01,    /* 123 */
+    2.729467245451285e-02,    /* 124 */
+    -9.014412224732896e-05,    /* 125 */
+    }, {
+    1.960084281861067e-02,    /* 126 */
+    -1.138209303361282e-01,    /* 127 */
+    5.043019050018616e-01,    /* 128 */
+    7.011221819115717e-01,    /* 129 */
+    -1.397678861378340e-01,    /* 130 */
+    2.744489652089330e-02,    /* 131 */
+    -1.002644208085391e-04,    /* 132 */
+    }, {
+    1.935780586355643e-02,    /* 133 */
+    -1.128609161464899e-01,    /* 134 */
+    4.989340472876037e-01,    /* 135 */
+    7.059750132480542e-01,    /* 136 */
+    -1.400973692166212e-01,    /* 137 */
+    2.759083991623796e-02,    /* 138 */
+    -1.108861901476344e-04,    /* 139 */
+    }, {
+    1.911403975273935e-02,    /* 140 */
+    -1.118905824920952e-01,    /* 141 */
+    4.935636121924722e-01,    /* 142 */
+    7.108040785066047e-01,    /* 143 */
+    -1.404048769968304e-01,    /* 144 */
+    2.773240472569498e-02,    /* 145 */
+    -1.220011852110915e-04,    /* 146 */
+    }, {
+    1.886962349859249e-02,    /* 147 */
+    -1.109102168382377e-01,    /* 148 */
+    4.881911241123659e-01,    /* 149 */
+    7.156088636159380e-01,    /* 150 */
+    -1.406901283149657e-01,    /* 151 */
+    2.786949298990845e-02,    /* 152 */
+    -1.336006401019428e-04,    /* 153 */
+    }, {
+    1.862463529232039e-02,    /* 154 */
+    -1.099201058066671e-01,    /* 155 */
+    4.828171061810496e-01,    /* 156 */
+    7.203888562953171e-01,    /* 157 */
+    -1.409528432257348e-01,    /* 158 */
+    2.800200672928881e-02,    /* 159 */
+    -1.456752693314445e-04,    /* 160 */
+    }, {
+    1.837915249114045e-02,    /* 161 */
+    -1.089205351325436e-01,    /* 162 */
+    4.774420802010910e-01,    /* 163 */
+    7.251435461271148e-01,    /* 164 */
+    -1.411927430545998e-01,    /* 165 */
+    2.812984796848375e-02,    /* 166 */
+    -1.582152692763085e-04,    /* 167 */
+    }, {
+    1.813325160584695e-02,    /* 168 */
+    -1.079117896217818e-01,    /* 169 */
+    4.720665665751356e-01,    /* 170 */
+    7.298724246291924e-01,    /* 171 */
+    -1.414095504503600e-01,    /* 172 */
+    2.825291876104482e-02,    /* 173 */
+    -1.712103198416544e-04,    /* 174 */
+    }, {
+    1.788700828869835e-02,    /* 175 */
+    -1.068941531087891e-01,    /* 176 */
+    4.666910842375266e-01,    /* 177 */
+    7.345749853270843e-01,    /* 178 */
+    -1.416029894377547e-01,    /* 179 */
+    2.837112121428517e-02,    /* 180 */
+    -1.846495863300355e-04,    /* 181 */
+    }, {
+    1.764049732162978e-02,    /* 182 */
+    -1.058679084146052e-01,    /* 183 */
+    4.613161505862837e-01,    /* 184 */
+    7.392507238259753e-01,    /* 185 */
+    -1.417727854700776e-01,    /* 186 */
+    2.848435751432410e-02,    /* 187 */
+    -1.985217215164836e-04,    /* 188 */
+    }, {
+    1.739379260479069e-02,    /* 189 */
+    -1.048333373054486e-01,    /* 190 */
+    4.559422814154492e-01,    /* 191 */
+    7.438991378824603e-01,    /* 192 */
+    -1.419186654817930e-01,    /* 193 */
+    2.859252995131316e-02,    /* 194 */
+    -2.128148679298167e-04,    /* 195 */
+    }, {
+    1.714696714540915e-02,    /* 196 */
+    -1.037907204516760e-01,    /* 197 */
+    4.505699908478140e-01,    /* 198 */
+    7.485197274760710e-01,    /* 199 */
+    -1.420403579411441e-01,    /* 200 */
+    2.869554094483946e-02,    /* 201 */
+    -2.275166603400509e-04,    /* 202 */
+    }, {
+    1.690009304698279e-02,    /* 203 */
+    -1.027403373871614e-01,    /* 204 */
+    4.451997912680325e-01,    /* 205 */
+    7.531119948805626e-01,    /* 206 */
+    -1.421375929027446e-01,    /* 207 */
+    2.879329306950119e-02,    /* 208 */
+    -2.426142284520608e-04,    /* 209 */
+    }, {
+    1.665324149879781e-02,    /* 210 */
+    -1.016824664690990e-01,    /* 211 */
+    4.398321932561375e-01,    /* 212 */
+    7.576754447349440e-01,    /* 213 */
+    -1.422101020601427e-01,    /* 214 */
+    2.888568908065016e-02,    /* 215 */
+    -2.580941998051696e-04,    /* 216 */
+    }, {
+    1.640648276577594e-02,    /* 217 */
+    -1.006173848382378e-01,    /* 218 */
+    4.344677055214644e-01,    /* 219 */
+    7.622095841142430e-01,    /* 220 */
+    -1.422576187983489e-01,    /* 221 */
+    2.897263194029685e-02,    /* 222 */
+    -2.739427028786713e-04,    /* 223 */
+    }, {
+    1.615988617865028e-02,    /* 224 */
+    -9.954536837955191e-02,    /* 225 */
+    4.291068348369969e-01,    /* 226 */
+    7.667139225999916e-01,    /* 227 */
+    -1.422798782463173e-01,    /* 228 */
+    2.905402484317260e-02,    /* 229 */
+    -2.901453704029424e-04,    /* 230 */
+    }, {
+    1.591352012446994e-02,    /* 231 */
+    -9.846669168335127e-02,    /* 232 */
+    4.237500859741424e-01,    /* 233 */
+    7.711879723504229e-01,    /* 234 */
+    -1.422766173293711e-01,    /* 235 */
+    2.912977124294393e-02,    /* 236 */
+    -3.066873428758958e-04,    /* 237 */
+    }, {
+    1.566745203743416e-02,    /* 238 */
+    -9.738162800684201e-02,    /* 239 */
+    4.183979616379481e-01,    /* 240 */
+    7.756312481703652e-01,    /* 241 */
+    -1.422475748215626e-01,    /* 242 */
+    2.919977487857369e-02,    /* 243 */
+    -3.235532722844501e-04,    /* 244 */
+    }, {
+    1.542174839005620e-02,    /* 245 */
+    -9.629044923613632e-02,    /* 246 */
+    4.130509624027673e-01,    /* 247 */
+    7.800432675808223e-01,    /* 248 */
+    -1.421924913979572e-01,    /* 249 */
+    2.926393980082415e-02,    /* 250 */
+    -3.407273260304884e-04,    /* 251 */
+    }, {
+    1.517647468465644e-02,    /* 252 */
+    -9.519342584872197e-02,    /* 253 */
+    4.077095866483865e-01,    /* 254 */
+    7.844235508882289e-01,    /* 255 */
+    -1.421111096868331e-01,    /* 256 */
+    2.932217039889637e-02,    /* 257 */
+    -3.581931910609877e-04,    /* 258 */
+    }, {
+    1.493169544518567e-02,    /* 259 */
+    -9.409082687639277e-02,    /* 260 */
+    4.023743304966226e-01,    /* 261 */
+    7.887716212533704e-01,    /* 262 */
+    -1.420031743217853e-01,    /* 263 */
+    2.937437142720069e-02,    /* 264 */
+    -3.759340782016456e-04,    /* 265 */
+    }, {
+    1.468747420937781e-02,    /* 266 */
+    -9.298291986864780e-02,    /* 267 */
+    3.970456877483993e-01,    /* 268 */
+    7.930870047599514e-01,    /* 269 */
+    -1.418684319937252e-01,    /* 270 */
+    2.942044803225294e-02,    /* 271 */
+    -3.939327266934505e-04,    /* 272 */
+    }, {
+    1.444387352123256e-02,    /* 273 */
+    -9.186997085656183e-02,    /* 274 */
+    3.917241498213130e-01,    /* 275 */
+    7.973692304828067e-01,    /* 276 */
+    -1.417066315027663e-01,    /* 277 */
+    2.946030577969092e-02,    /* 278 */
+    -4.121714089315939e-04,    /* 279 */
+    }, {
+    1.420095492382687e-02,    /* 280 */
+    -9.075224431713386e-02,    /* 281 */
+    3.864102056876984e-01,    /* 282 */
+    8.016178305557399e-01,    /* 283 */
+    -1.415175238099844e-01,    /* 284 */
+    2.949385068140553e-02,    /* 285 */
+    -4.306319354058826e-04,    /* 286 */
+    }, {
+    1.395877895245621e-02,    /* 287 */
+    -8.963000313811628e-02,    /* 288 */
+    3.811043418132007e-01,    /* 289 */
+    8.058323402389781e-01,    /* 290 */
+    -1.413008620890449e-01,    /* 291 */
+    2.952098922278122e-02,    /* 292 */
+    -4.492956598419907e-04,    /* 293 */
+    }, {
+    1.371740512810407e-02,    /* 294 */
+    -8.850350858333141e-02,    /* 295 */
+    3.758070420958670e-01,    /* 296 */
+    8.100122979862356e-01,    /* 297 */
+    -1.410564017776856e-01,    /* 298 */
+    2.954162839003991e-02,    /* 299 */
+    -4.681434845426153e-04,    /* 300 */
+    }, {
+    1.347689195124034e-02,    /* 301 */
+    -8.737302025847754e-02,    /* 302 */
+    3.705187878057628e-01,    /* 303 */
+    8.141572455113678e-01,    /* 304 */
+    -1.407839006290460e-01,    /* 305 */
+    2.955567569768274e-02,    /* 306 */
+    -4.871558659276469e-04,    /* 307 */
+    }, {
+    1.323729689594689e-02,    /* 308 */
+    -8.623879607743025e-02,    /* 309 */
+    3.652400575251253e-01,    /* 310 */
+    8.182667278546104e-01,    /* 311 */
+    -1.404831187628331e-01,    /* 312 */
+    2.956303921602418e-02,    /* 313 */
+    -5.063128202724816e-04,    /* 314 */
+    }, {
+    1.299867640437090e-02,    /* 315 */
+    -8.510109222904338e-02,    /* 316 */
+    3.599713270890607e-01,    /* 317 */
+    8.223402934483920e-01,    /* 318 */
+    -1.401538187163136e-01,    /* 319 */
+    2.956362759881255e-02,    /* 320 */
+    -5.255939296432825e-04,    /* 321 */
+    }, {
+    1.276108588150466e-02,    /* 322 */
+    -8.396016314445182e-02,    /* 323 */
+    3.547130695267950e-01,    /* 324 */
+    8.263774941827043e-01,    /* 325 */
+    -1.397957654951237e-01,    /* 326 */
+    2.955735011093100e-02,    /* 327 */
+    -5.449783480282249e-04,    /* 328 */
+    }, {
+    1.252457969029095e-02,    /* 329 */
+    -8.281626146488272e-02,    /* 330 */
+    3.494657550034874e-01,    /* 331 */
+    8.303778854700258e-01,    /* 332 */
+    -1.394087266238854e-01,    /* 333 */
+    2.954411665617338e-02,    /* 334 */
+    -5.644448076635753e-04,    /* 335 */
+    }, {
+    1.228921114705370e-02,    /* 336 */
+    -8.166963800997633e-02,    /* 337 */
+    3.442298507626138e-01,    /* 338 */
+    8.343410263097801e-01,    /* 339 */
+    -1.389924721966199e-01,    /* 340 */
+    2.952383780508903e-02,    /* 341 */
+    -5.839716255532901e-04,    /* 342 */
+    }, {
+    1.205503251725260e-02,    /* 343 */
+    -8.052054174662254e-02,    /* 344 */
+    3.390058210689310e-01,    /* 345 */
+    8.382664793523271e-01,    /* 346 */
+    -1.385467749269494e-01,    /* 347 */
+    2.949642482289040e-02,    /* 348 */
+    -6.035367101809801e-04,    /* 349 */
+    }, {
+    1.182209501156100e-02,    /* 350 */
+    -7.936921975831460e-02,    /* 351 */
+    3.337941271520264e-01,    /* 352 */
+    8.421538109624669e-01,    /* 353 */
+    -1.380714101980755e-01,    /* 354 */
+    2.946178969741759e-02,    /* 355 */
+    -6.231175684128511e-04,    /* 356 */
+    }, {
+    1.159044878226562e-02,    /* 357 */
+    -7.821591721502538e-02,    /* 358 */
+    3.285952271504655e-01,    /* 359 */
+    8.460025912824529e-01,    /* 360 */
+    -1.375661561125266e-01,    /* 361 */
+    2.941984516715388e-02,    /* 362 */
+    -6.426913125902382e-04,    /* 363 */
+    }, {
+    1.136014291998739e-02,    /* 364 */
+    -7.706087734360774e-02,    /* 365 */
+    3.234095760565429e-01,    /* 366 */
+    8.498123942944995e-01,    /* 367 */
+    -1.370307935416629e-01,    /* 368 */
+    2.937050474928606e-02,    /* 369 */
+    -6.622346678102776e-04,    /* 370 */
+    }, {
+    1.113122545072202e-02,    /* 371 */
+    -7.590434139872407e-02,    /* 372 */
+    3.182376256616457e-01,    /* 373 */
+    8.535827978827749e-01,    /* 374 */
+    -1.364651061749298e-01,    /* 375 */
+    2.931368276780341e-02,    /* 376 */
+    -6.817239793932266e-04,    /* 377 */
+    }, {
+    1.090374333319907e-02,    /* 378 */
+    -7.474654863430663e-02,    /* 379 */
+    3.130798245022357e-01,    /* 380 */
+    8.573133838948686e-01,    /* 381 */
+    -1.358688805688508e-01,    /* 382 */
+    2.924929438162952e-02,    /* 383 */
+    -7.011352205348302e-04,    /* 384 */
+    }, {
+    1.067774245655789e-02,    /* 385 */
+    -7.358773627555218e-02,    /* 386 */
+    3.079366178064618e-01,    /* 387 */
+    8.610037382027232e-01,    /* 388 */
+    -1.352419061957486e-01,    /* 389 */
+    2.917725561278015e-02,    /* 390 */
+    -7.204440001421441e-04,    /* 391 */
+    }, {
+    1.045326763833955e-02,    /* 392 */
+    -7.242813949145467e-02,    /* 393 */
+    3.028084474414053e-01,    /* 394 */
+    8.646534507630197e-01,    /* 395 */
+    -1.345839754921861e-01,    /* 396 */
+    2.909748337454149e-02,    /* 397 */
+    -7.396255708510786e-04,    /* 398 */
+    }, {
+    1.023036262279292e-02,    /* 399 */
+    -7.126799136787691e-02,    /* 400 */
+    2.976957518609703e-01,    /* 401 */
+    8.682621156770067e-01,    /* 402 */
+    -1.338948839071171e-01,    /* 403 */
+    2.900989549966232e-02,    /* 404 */
+    -7.586548372239626e-04,    /* 405 */
+    }, {
+    1.000907007949311e-02,    /* 406 */
+    -7.010752288116626e-02,    /* 407 */
+    2.925989660544231e-01,    /* 408 */
+    8.718293312497631e-01,    /* 409 */
+    -1.331744299497369e-01,    /* 410 */
+    2.891441076855387e-02,    /* 411 */
+    -7.775063641252938e-04,    /* 412 */
+    }, {
+    9.789431602271271e-03,    /* 413 */
+    -6.894696287231404e-02,    /* 414 */
+    2.875185214955909e-01,    /* 415 */
+    8.753547000488832e-01,    /* 416 */
+    -1.324224152370240e-01,    /* 417 */
+    2.881094893749082e-02,    /* 418 */
+    -7.961543852738185e-04,    /* 419 */
+    }, {
+    9.571487708453395e-03,    /* 420 */
+    -6.778653802166430e-02,    /* 421 */
+    2.824548460927230e-01,    /* 422 */
+    8.788378289625756e-01,    /* 423 */
+    -1.316386445409620e-01,    /* 424 */
+    2.869943076680737e-02,    /* 425 */
+    -8.145728119690237e-04,    /* 426 */
+    }, {
+    9.355277838406877e-03,    /* 427 */
+    -6.662647282417096e-02,    /* 428 */
+    2.774083641390264e-01,    /* 429 */
+    8.822783292571661e-01,    /* 430 */
+    -1.308229258354336e-01,    /* 431 */
+    2.857977804908198e-02,    /* 432 */
+    -8.327352419900550e-04,    /* 433 */
+    }, {
+    9.140840355392437e-03,    /* 434 */
+    -6.546698956520861e-02,    /* 435 */
+    2.723794962638790e-01,    /* 436 */
+    8.856758166339943e-01,    /* 437 */
+    -1.299750703427760e-01,    /* 438 */
+    2.845191363730427e-02,    /* 439 */
+    -8.506149686650558e-04,    /* 440 */
+    }, {
+    8.928212545720045e-03,    /* 441 */
+    -6.430830829693616e-02,    /* 442 */
+    2.673686593847286e-01,    /* 443 */
+    8.890299112856920e-01,    /* 444 */
+    -1.290948925799897e-01,    /* 445 */
+    2.831576147301751e-02,    /* 446 */
+    -8.681849901087664e-04,    /* 447 */
+    }, {
+    8.717430619206452e-03,    /* 448 */
+    -6.315064681521791e-02,    /* 449 */
+    2.623762666596838e-01,    /* 450 */
+    8.923402379518393e-01,    /* 451 */
+    -1.281822104045887e-01,    /* 452 */
+    2.817124661443064e-02,    /* 453 */
+    -8.854180186263388e-04,    /* 454 */
+    }, {
+    8.508529709932666e-03,    /* 455 */
+    -6.199422063710185e-02,    /* 456 */
+    2.574027274408040e-01,    /* 457 */
+    8.956064259739822e-01,    /* 458 */
+    -1.272368450600864e-01,    /* 459 */
+    2.801829526449300e-02,    /* 460 */
+    -9.022864902810273e-04,    /* 461 */
+    }, {
+    8.301543877298635e-03,    /* 462 */
+    -6.083924297885757e-02,    /* 463 */
+    2.524484472280946e-01,    /* 464 */
+    8.988281093500092e-01,    /* 465 */
+    -1.262586212211042e-01,    /* 466 */
+    2.785683479892532e-02,    /* 467 */
+    -9.187625746236699e-04,    /* 468 */
+    }, {
+    8.096506107373698e-03,    /* 469 */
+    -5.968592473457642e-02,    /* 470 */
+    2.475138276242130e-01,    /* 471 */
+    9.020049267878701e-01,    /* 472 */
+    -1.252473670380959e-01,    /* 473 */
+    2.768679379420070e-02,    /* 474 */
+    -9.348181845814541e-04,    /* 475 */
+    }, {
+    7.893448314540197e-03,    /* 476 */
+    -5.853447445533320e-02,    /* 477 */
+    2.425992662898926e-01,    /* 478 */
+    9.051365217586359e-01,    /* 479 */
+    -1.242029141816779e-01,    /* 480 */
+    2.750810205546858e-02,    /* 481 */
+    -9.504249865037702e-04,    /* 482 */
+    }, {
+    7.692401343427691e-03,    /* 483 */
+    -5.738509832891316e-02,    /* 484 */
+    2.377051569000891e-01,    /* 485 */
+    9.082225425488828e-01,    /* 486 */
+    -1.231250978865554e-01,    /* 487 */
+    2.732069064441559e-02,    /* 488 */
+    -9.655544103626029e-04,    /* 489 */
+    }, {
+    7.493394971135955e-03,    /* 490 */
+    -5.623800016010321e-02,    /* 491 */
+    2.328318891008579e-01,    /* 492 */
+    9.112626423123993e-01,    /* 493 */
+    -1.220137569950366e-01,    /* 494 */
+    2.712449190705641e-02,    /* 495 */
+    -9.801776601050557e-04,    /* 496 */
+    }, {
+    7.296457909743918e-03,    /* 497 */
+    -5.509338135155091e-02,    /* 498 */
+    2.279798484669641e-01,    /* 499 */
+    9.142564791211991e-01,    /* 500 */
+    -1.208687340001249e-01,    /* 501 */
+    2.691943950144822e-02,    /* 502 */
+    -9.942657241554641e-04,    /* 503 */
+    }, {
+    7.101617809102288e-03,    /* 504 */
+    -5.395144088518943e-02,    /* 505 */
+    2.231494164602341e-01,    /* 506 */
+    9.172037160158394e-01,    /* 507 */
+    -1.196898750881803e-01,    /* 508 */
+    2.670546842532187e-02,    /* 509 */
+    -1.007789386064493e-03,    /* 510 */
+    }, {
+    6.908901259906972e-03,    /* 511 */
+    -5.281237530423245e-02,    /* 512 */
+    2.183409703886530e-01,    /* 513 */
+    9.201040210550299e-01,    /* 514 */
+    -1.184770301811412e-01,    /* 515 */
+    2.648251504362370e-02,    /* 516 */
+    -1.020719235302619e-03,    /* 517 */
+    }, {
+    6.718333797051150e-03,    /* 518 */
+    -5.167637869573667e-02,    /* 519 */
+    2.135548833662130e-01,    /* 520 */
+    9.229570673645258e-01,    /* 521 */
+    -1.172300529782974e-01,    /* 522 */
+    2.625051711596052e-02,    /* 523 */
+    -1.033025678195301e-03,    /* 524 */
+    }, {
+    6.529939903253073e-03,    /* 525 */
+    -5.054364267373540e-02,    /* 526 */
+    2.087915242735169e-01,    /* 527 */
+    9.257625331852983e-01,    /* 528 */
+    -1.159488009976052e-01,    /* 529 */
+    2.600941382394202e-02,    /* 530 */
+    -1.044678948997064e-03,    /* 531 */
+    }, {
+    6.343743012956645e-03,    /* 532 */
+    -4.941435636294156e-02,    /* 533 */
+    2.040512577191446e-01,    /* 534 */
+    9.285201019209733e-01,    /* 535 */
+    -1.146331356165368e-01,    /* 536 */
+    2.575914579841332e-02,    /* 537 */
+    -1.055649121101780e-03,    /* 538 */
+    }, {
+    6.159765516502505e-03,    /* 539 */
+    -4.828870638302148e-02,    /* 540 */
+    1.993344440017834e-01,    /* 541 */
+    9.312294621845263e-01,    /* 542 */
+    -1.132829221124536e-01,    /* 543 */
+    2.549965514657118e-02,    /* 544 */
+    -1.065906118386268e-03,    /* 545 */
+    }, {
+    5.978028764566336e-03,    /* 546 */
+    -4.716687683344033e-02,    /* 547 */
+    1.946414390731309e-01,    /* 548 */
+    9.338903078442332e-01,    /* 549 */
+    -1.118980297024964e-01,    /* 550 */
+    2.523088547895752e-02,    /* 551 */
+    -1.075419726684316e-03,    /* 552 */
+    }, {
+    5.798553072861818e-03,    /* 553 */
+    -4.604904927887769e-02,    /* 554 */
+    1.899725945015709e-01,    /* 555 */
+    9.365023380688623e-01,    /* 556 */
+    -1.104783315829824e-01,    /* 557 */
+    2.495278193632289e-02,    /* 558 */
+    -1.084159605388224e-03,    /* 559 */
+    }, {
+    5.621357727104864e-03,    /* 560 */
+    -4.493540273521546e-02,    /* 561 */
+    1.853282574366316e-01,    /* 562 */
+    9.390652573721028e-01,    /* 563 */
+    -1.090237049683018e-01,    /* 564 */
+    2.466529121635406e-02,    /* 565 */
+    -1.092095299174878e-03,    /* 566 */
+    }, {
+    5.446460988236670e-03,    /* 567 */
+    -4.382611365609584e-02,    /* 568 */
+    1.807087705742239e-01,    /* 569 */
+    9.415787756562223e-01,    /* 570 */
+    -1.075340311293039e-01,    /* 571 */
+    2.436836160025825e-02,    /* 572 */
+    -1.099196249853307e-03,    /* 573 */
+    }, {
+    5.273880097902076e-03,    /* 574 */
+    -4.272135592005138e-02,    /* 575 */
+    1.761144721226713e-01,    /* 576 */
+    9.440426082549445e-01,    /* 577 */
+    -1.060091954311663e-01,    /* 578 */
+    2.406194297919816e-02,    /* 579 */
+    -1.105431808330667e-03,    /* 580 */
+    }, {
+    5.103631284180478e-03,    /* 581 */
+    -4.162130081820462e-02,    /* 582 */
+    1.715456957695286e-01,    /* 583 */
+    9.464564759755407e-01,    /* 584 */
+    -1.044490873707362e-01,    /* 585 */
+    2.374598688057016e-02,    /* 586 */
+    -1.110771246693530e-03,    /* 587 */
+    }, {
+    4.935729767565705e-03,    /* 588 */
+    -4.052611704253924e-02,    /* 589 */
+    1.670027706491982e-01,    /* 590 */
+    9.488201051401287e-01,    /* 591 */
+    -1.028536006133390e-01,    /* 592 */
+    2.342044649412001e-02,    /* 593 */
+    -1.115183770401296e-03,    /* 594 */
+    }, {
+    4.770189767192131e-03,    /* 595 */
+    -3.943597067473980e-02,    /* 596 */
+    1.624860213113444e-01,    /* 597 */
+    9.511332276261677e-01,    /* 598 */
+    -1.012226330290420e-01,    /* 599 */
+    2.308527669788855e-02,    /* 600 */
+    -1.118638530588553e-03,    /* 601 */
+    }, {
+    4.607024507303565e-03,    /* 602 */
+    -3.835102517560170e-02,    /* 603 */
+    1.579957676901108e-01,    /* 604 */
+    9.533955809061508e-01,    /* 605 */
+    -9.955608672836883e-02,    /* 606 */
+    2.274043408398138e-02,    /* 607 */
+    -1.121104636473070e-03,    /* 608 */
+    }, {
+    4.446246223961389e-03,    /* 609 */
+    -3.727144137500895e-02,    /* 610 */
+    1.535323250741442e-01,    /* 611 */
+    9.556069080864779e-01,    /* 612 */
+    -9.785386809745342e-02,    /* 613 */
+    2.238587698415551e-02,    /* 614 */
+    -1.122551167866203e-03,    /* 615 */
+    }, {
+    4.287866171989037e-03,    /* 616 */
+    -3.619737746247935e-02,    /* 617 */
+    1.490960040774270e-01,    /* 618 */
+    9.577669579455091e-01,    /* 619 */
+    -9.611588783262809e-02,    /* 620 */
+    2.202156549521620e-02,    /* 621 */
+    -1.122947187782295e-03,    /* 622 */
+    }, {
+    4.131894632149082e-03,    /* 623 */
+    -3.512898897827717e-02,    /* 624 */
+    1.446871106109222e-01,    /* 625 */
+    9.598754849707929e-01,    /* 626 */
+    -9.434206097443590e-02,    /* 627 */
+    2.164746150421816e-02,    /* 628 */
+    -1.122261755143747e-03,    /* 629 */
+    }, {
+    3.978340918549750e-03,    /* 630 */
+    -3.406642880509015e-02,    /* 631 */
+    1.403059458550339e-01,    /* 632 */
+    9.619322493954562e-01,    /* 633 */
+    -9.253230694106100e-02,    /* 634 */
+    2.126352871346326e-02,    /* 635 */
+    -1.120463937578314e-03,    /* 636 */
+    }, {
+    3.827213386276986e-03,    /* 637 */
+    -3.300984716027202e-02,    /* 638 */
+    1.359528062328858e-01,    /* 639 */
+    9.639370172337561e-01,    /* 640 */
+    -9.068654956116820e-02,    /* 641 */
+    2.086973266528943e-02,    /* 642 */
+    -1.117522824305172e-03,    /* 643 */
+    }, {
+    3.678519439249078e-03,    /* 644 */
+    -3.195939158864695e-02,    /* 645 */
+    1.316279833844193e-01,    /* 646 */
+    9.658895603157857e-01,    /* 647 */
+    -8.880471710614442e-02,    /* 648 */
+    2.046604076664311e-02,    /* 649 */
+    -1.113407539106230e-03,    /* 650 */
+    }, {
+    3.532265538289867e-03,    /* 651 */
+    -3.091520695587671e-02,    /* 652 */
+    1.273317641413156e-01,    /* 653 */
+    9.677896563213259e-01,    /* 654 */
+    -8.688674232173496e-02,    /* 655 */
+    2.005242231342951e-02,    /* 656 */
+    -1.108087253379183e-03,    /* 657 */
+    }, {
+    3.388457209417186e-03,    /* 658 */
+    -2.987743544238687e-02,    /* 659 */
+    1.230644305027427e-01,    /* 660 */
+    9.696370888128401e-01,    /* 661 */
+    -8.493256245906648e-02,    /* 662 */
+    1.962884851463336e-02,    /* 663 */
+    -1.101531199268716e-03,    /* 664 */
+    }, {
+    3.247099052342608e-03,    /* 665 */
+    -2.884621653785256e-02,    /* 666 */
+    1.188262596119302e-01,    /* 667 */
+    9.714316472676046e-01,    /* 668 */
+    -8.294211930504999e-02,    /* 669 */
+    1.919529251620448e-02,    /* 670 */
+    -1.093708682872210e-03,    /* 671 */
+    }, {
+    3.108194749179169e-03,    /* 672 */
+    -2.782168703623990e-02,    /* 673 */
+    1.146175237335723e-01,    /* 674 */
+    9.731731271089683e-01,    /* 675 */
+    -8.091535921215573e-02,    /* 676 */
+    1.875172942470069e-02,    /* 677 */
+    -1.084589097516370e-03,    /* 678 */
+    }, {
+    2.971747073353185e-03,    /* 679 */
+    -2.680398103140338e-02,    /* 680 */
+    1.104384902320638e-01,    /* 681 */
+    9.748613297367402e-01,    /* 682 */
+    -7.885223312755388e-02,    /* 683 */
+    1.829813633068257e-02,    /* 684 */
+    -1.074141937101013e-03,    /* 685 */
+    }, {
+    2.837757898716223e-03,    /* 686 */
+    -2.579322991323553e-02,    /* 687 */
+    1.062894215505674e-01,    /* 688 */
+    9.764960625566944e-01,    /* 689 */
+    -7.675269662161305e-02,    /* 690 */
+    1.783449233185286e-02,    /* 691 */
+    -1.062336809506350e-03,    /* 692 */
+    }, {
+    2.706228208853840e-03,    /* 693 */
+    -2.478956236436741e-02,    /* 694 */
+    1.021705751909168e-01,    /* 695 */
+    9.780771390091908e-01,    /* 696 */
+    -7.461670991575037e-02,    /* 697 */
+    1.736077855593420e-02,    /* 698 */
+    -1.049143450059986e-03,    /* 699 */
+    }, {
+    2.577158106586916e-03,    /* 700 */
+    -2.379310435741876e-02,    /* 701 */
+    9.808220369435408e-02,    /* 702 */
+    9.796043785969055e-01,    /* 703 */
+    -7.244423790962552e-02,    /* 704 */
+    1.687697818327941e-02,    /* 705 */
+    -1.034531735059858e-03,    /* 706 */
+    }, {
+    2.450546823661987e-03,    /* 707 */
+    -2.280397915279337e-02,    /* 708 */
+    9.402455462310588e-02,    /* 709 */
+    9.810776069116667e-01,    /* 710 */
+    -7.023525020767289e-02,    /* 711 */
+    1.638307646920682e-02,    /* 712 */
+    -1.018471695349289e-03,    /* 713 */
+    }, {
+    2.326392730626404e-03,    /* 714 */
+    -2.182230729701992e-02,    /* 715 */
+    8.999787054279679e-02,    /* 716 */
+    9.824966556603907e-01,    /* 717 */
+    -6.798972114496460e-02,    /* 718 */
+    1.587906076605559e-02,    /* 719 */
+    -1.000933529940309e-03,    /* 720 */
+    }, {
+    2.204693346884742e-03,    /* 721 */
+    -2.084820662163316e-02,    /* 722 */
+    8.600238900570113e-02,    /* 723 */
+    9.838613626901140e-01,    /* 724 */
+    -6.570762981239750e-02,    /* 725 */
+    1.536492054495343e-02,    /* 726 */
+    -9.818876196813738e-04,    /* 727 */
+    }, {
+    2.085445350932246e-03,    /* 728 */
+    -1.988179224259554e-02,    /* 729 */
+    8.203834253483586e-02,    /* 730 */
+    9.851715720121177e-01,    /* 731 */
+    -6.338896008119892e-02,    /* 732 */
+    1.484064741729164e-02,    /* 733 */
+    -9.613045409655687e-04,    /* 734 */
+    }, {
+    1.968644590761548e-03,    /* 735 */
+    -1.892317656025402e-02,    /* 736 */
+    7.810595860889319e-02,    /* 737 */
+    9.864271338251378e-01,    /* 738 */
+    -6.103370062674356e-02,    /* 739 */
+    1.430623515590003e-02,    /* 740 */
+    -9.391550794753652e-04,    /* 741 */
+    }, {
+    1.854286094438386e-03,    /* 742 */
+    -1.797246925983164e-02,    /* 743 */
+    7.420545964801417e-02,    /* 744 */
+    9.876279045376605e-01,    /* 745 */
+    -5.864184495167603e-02,    /* 746 */
+    1.376167971591675e-02,    /* 747 */
+    -9.154102439599487e-04,    /* 748 */
+    }, {
+    1.742364080842615e-03,    /* 749 */
+    -1.702977731244917e-02,    /* 750 */
+    7.033706300040359e-02,    /* 751 */
+    9.887737467892981e-01,    /* 752 */
+    -5.621339140833288e-02,    /* 753 */
+    1.320697925534576e-02,    /* 754 */
+    -8.900412800411573e-04,    /* 755 */
+    }, {
+    1.632871970570320e-03,    /* 756 */
+    -1.609520497667476e-02,    /* 757 */
+    6.650098092978608e-02,    /* 758 */
+    9.898645294712379e-01,    /* 759 */
+    -5.374834322045772e-02,    /* 760 */
+    1.264213415529629e-02,    /* 761 */
+    -8.630196840440353e-04,    /* 762 */
+    }, {
+    1.525802396992804e-03,    /* 763 */
+    -1.516885380059888e-02,    /* 764 */
+    6.269742060370384e-02,    /* 765 */
+    9.909001277457663e-01,    /* 766 */
+    -5.124670850420399e-02,    /* 767 */
+    1.206714703989862e-02,    /* 768 */
+    -8.343172168478687e-04,    /* 769 */
+    }, {
+    1.421147217468663e-03,    /* 770 */
+    -1.425082262442998e-02,    /* 771 */
+    5.892658408265536e-02,    /* 772 */
+    9.918804230648608e-01,    /* 773 */
+    -4.870850028841950e-02,    /* 774 */
+    1.148202279588897e-02,    /* 775 */
+    -8.039059177537709e-04,    /* 776 */
+    }, {
+    1.318897524704578e-03,    /* 777 */
+    -1.334120758360962e-02,    /* 778 */
+    5.518866831007525e-02,    /* 779 */
+    9.928053031878483e-01,    /* 780 */
+    -4.613373653420693e-02,    /* 781 */
+    1.088676859185900e-02,    /* 782 */
+    -7.717581183646440e-04,    /* 783 */
+    }, {
+    1.219043658260877e-03,    /* 784 */
+    -1.244010211244157e-02,    /* 785 */
+    5.148386510315437e-02,    /* 786 */
+    9.936746621981263e-01,    /* 787 */
+    -4.352244015375482e-02,    /* 788 */
+    1.028139389716235e-02,    /* 789 */
+    -7.378464564734607e-04,    /* 790 */
+    }, {
+    1.121575216197463e-03,    /* 791 */
+    -1.154759694823357e-02,    /* 792 */
+    4.781236114450060e-02,    /* 793 */
+    9.944884005189432e-01,    /* 794 */
+    -4.087463902843420e-02,    /* 795 */
+    9.665910500473909e-03,    /* 796 */
+    -7.021438899556850e-04,    /* 797 */
+    }, {
+    1.026481066856231e-03,    /* 798 */
+    -1.066378013594614e-02,    /* 799 */
+    4.417433797463730e-02,    /* 800 */
+    9.952464249282380e-01,    /* 801 */
+    -3.819036602615411e-02,    /* 802 */
+    9.040332527994370e-03,    /* 803 */
+    -6.646237106617679e-04,    /* 804 */
+    }, {
+    9.337493607755644e-04,    /* 805 */
+    -9.788737033346933e-03,    /* 806 */
+    4.056997198534163e-02,    /* 807 */
+    9.959486485725322e-01,    /* 808 */
+    -3.546965901797275e-02,    /* 809 */
+    8.404676461295810e-03,    /* 810 */
+    -6.252595583054893e-04,    /* 811 */
+    }, {
+    8.433675427328470e-04,    /* 812 */
+    -8.922550316664762e-03,    /* 813 */
+    3.699943441381923e-02,    /* 814 */
+    9.965949909798753e-01,    /* 815 */
+    -3.271256089395777e-02,    /* 816 */
+    7.758961154800972e-03,    /* 817 */
+    -5.840254343440151e-04,    /* 818 */
+    }, {
+    7.553223639105668e-04,    /* 819 */
+    -8.065299986741607e-03,    /* 820 */
+    3.346289133771520e-02,    /* 821 */
+    9.971853780718406e-01,    /* 822 */
+    -2.991911957829145e-02,    /* 823 */
+    7.103207852892033e-03,    /* 824 */
+    -5.408957158454127e-04,    /* 825 */
+    }, {
+    6.695998941820378e-04,    /* 826 */
+    -7.217063375677063e-03,    /* 827 */
+    2.996050367095970e-02,    /* 828 */
+    9.977197421745680e-01,    /* 829 */
+    -2.708938804361575e-02,    /* 830 */
+    6.437440206642007e-03,    /* 831 */
+    -4.958451693394876e-04,    /* 832 */
+    }, {
+    5.861855345123588e-04,    /* 833 */
+    -6.377915153961920e-03,    /* 834 */
+    2.649242716044695e-02,    /* 835 */
+    9.981980220288543e-01,    /* 836 */
+    -2.422342432461263e-02,    /* 837 */
+    5.761684290163624e-03,    /* 838 */
+    -4.488489646476928e-04,    /* 839 */
+    }, {
+    5.050640294702417e-04,    /* 840 */
+    -5.547927338097411e-03,    /* 841 */
+    2.305881238354565e-02,    /* 842 */
+    9.986201627992864e-01,    /* 843 */
+    -2.132129153081513e-02,    /* 844 */
+    5.075968616570653e-03,    /* 845 */
+    -3.998826886878056e-04,    /* 846 */
+    }, {
+    4.262194798466813e-04,    /* 847 */
+    -4.727169298694500e-03,    /* 848 */
+    1.965980474643937e-02,    /* 849 */
+    9.989861160824184e-01,    /* 850 */
+    -1.838305785864478e-02,    /* 851 */
+    4.380324153544939e-03,    /* 852 */
+    -3.489223592492433e-04,    /* 853 */
+    }, {
+    3.496353553759901e-04,    /* 854 */
+    -3.915707769050846e-03,    /* 855 */
+    1.629554448329466e-02,    /* 856 */
+    9.992958399139888e-01,    /* 857 */
+    -1.540879660267084e-02,    /* 858 */
+    3.674784338505265e-03,    /* 859 */
+    -2.959444387346577e-04,    /* 860 */
+    }, {
+    2.752945075550529e-04,    /* 861 */
+    -3.113606854199215e-03,    /* 862 */
+    1.296616665625557e-02,    /* 863 */
+    9.995492987751797e-01,    /* 864 */
+    -1.239858616608813e-02,    /* 865 */
+    2.959385093371052e-03,    /* 866 */
+    -2.409258478636185e-04,    /* 867 */
+    }, {
+    2.031791825563283e-04,    /* 868 */
+    -2.320928040424877e-03,    /* 869 */
+    9.671801156260738e-03,    /* 870 */
+    9.997464635979135e-01,    /* 871 */
+    -9.352510070407542e-03,    /* 872 */
+    2.234164838917225e-03,    /* 873 */
+    -1.838439793339892e-04,    /* 874 */
+    }, {
+    1.332710342305255e-04,    /* 875 */
+    -1.537730205245651e-03,    /* 876 */
+    6.412572704682764e-03,    /* 877 */
+    9.998873117691878e-01,    /* 878 */
+    -6.270656964357692e-03,    /* 879 */
+    1.499164508713334e-03,    /* 880 */
+    -1.246767114368607e-04,    /* 881 */
+    }, {
+    6.555113719447324e-05,    /* 882 */
+    -7.640696278518945e-04,    /* 883 */
+    3.188600855785918e-03,    /* 884 */
+    9.999718271344488e-01,    /* 885 */
+    -3.153120631992235e-03,    /* 886 */
+    7.544275626434484e-04,    /* 887 */
+    -6.340242162062585e-05,    /* 888 */
+    }, {
+    1.930201848426478e-18,    /* 889 */
+    -1.515373497812483e-17,    /* 890 */
+    3.164321107994089e-17,    /* 891 */
+    1.000000000000000e+00,    /* 892 */
+    3.164321107994089e-17,    /* 893 */
+    -1.515373497812483e-17,    /* 894 */
+    1.930201848426478e-18,    /* 895 */
+    }, {
+    -6.340242162062585e-05,    /* 896 */
+    7.544275626434484e-04,    /* 897 */
+    -3.153120631992235e-03,    /* 898 */
+    9.999718271344488e-01,    /* 899 */
+    3.188600855785918e-03,    /* 900 */
+    -7.640696278518945e-04,    /* 901 */
+    6.555113719447324e-05,    /* 902 */
+    }, {
+    -1.246767114368607e-04,    /* 903 */
+    1.499164508713334e-03,    /* 904 */
+    -6.270656964357692e-03,    /* 905 */
+    9.998873117691878e-01,    /* 906 */
+    6.412572704682764e-03,    /* 907 */
+    -1.537730205245651e-03,    /* 908 */
+    1.332710342305255e-04,    /* 909 */
+    }, {
+    -1.838439793339892e-04,    /* 910 */
+    2.234164838917225e-03,    /* 911 */
+    -9.352510070407542e-03,    /* 912 */
+    9.997464635979135e-01,    /* 913 */
+    9.671801156260738e-03,    /* 914 */
+    -2.320928040424877e-03,    /* 915 */
+    2.031791825563283e-04,    /* 916 */
+    }, {
+    -2.409258478636185e-04,    /* 917 */
+    2.959385093371052e-03,    /* 918 */
+    -1.239858616608813e-02,    /* 919 */
+    9.995492987751797e-01,    /* 920 */
+    1.296616665625557e-02,    /* 921 */
+    -3.113606854199215e-03,    /* 922 */
+    2.752945075550529e-04,    /* 923 */
+    }, {
+    -2.959444387346577e-04,    /* 924 */
+    3.674784338505265e-03,    /* 925 */
+    -1.540879660267084e-02,    /* 926 */
+    9.992958399139888e-01,    /* 927 */
+    1.629554448329466e-02,    /* 928 */
+    -3.915707769050846e-03,    /* 929 */
+    3.496353553759901e-04,    /* 930 */
+    }, {
+    -3.489223592492433e-04,    /* 931 */
+    4.380324153544939e-03,    /* 932 */
+    -1.838305785864478e-02,    /* 933 */
+    9.989861160824184e-01,    /* 934 */
+    1.965980474643937e-02,    /* 935 */
+    -4.727169298694500e-03,    /* 936 */
+    4.262194798466813e-04,    /* 937 */
+    }, {
+    -3.998826886878056e-04,    /* 938 */
+    5.075968616570653e-03,    /* 939 */
+    -2.132129153081513e-02,    /* 940 */
+    9.986201627992864e-01,    /* 941 */
+    2.305881238354565e-02,    /* 942 */
+    -5.547927338097411e-03,    /* 943 */
+    5.050640294702417e-04,    /* 944 */
+    }, {
+    -4.488489646476928e-04,    /* 945 */
+    5.761684290163624e-03,    /* 946 */
+    -2.422342432461263e-02,    /* 947 */
+    9.981980220288543e-01,    /* 948 */
+    2.649242716044695e-02,    /* 949 */
+    -6.377915153961920e-03,    /* 950 */
+    5.861855345123588e-04,    /* 951 */
+    }, {
+    -4.958451693394876e-04,    /* 952 */
+    6.437440206642007e-03,    /* 953 */
+    -2.708938804361575e-02,    /* 954 */
+    9.977197421745680e-01,    /* 955 */
+    2.996050367095970e-02,    /* 956 */
+    -7.217063375677063e-03,    /* 957 */
+    6.695998941820378e-04,    /* 958 */
+    }, {
+    -5.408957158454127e-04,    /* 959 */
+    7.103207852892033e-03,    /* 960 */
+    -2.991911957829145e-02,    /* 961 */
+    9.971853780718406e-01,    /* 962 */
+    3.346289133771520e-02,    /* 963 */
+    -8.065299986741607e-03,    /* 964 */
+    7.553223639105668e-04,    /* 965 */
+    }, {
+    -5.840254343440151e-04,    /* 966 */
+    7.758961154800972e-03,    /* 967 */
+    -3.271256089395777e-02,    /* 968 */
+    9.965949909798753e-01,    /* 969 */
+    3.699943441381923e-02,    /* 970 */
+    -8.922550316664762e-03,    /* 971 */
+    8.433675427328470e-04,    /* 972 */
+    }, {
+    -6.252595583054893e-04,    /* 973 */
+    8.404676461295810e-03,    /* 974 */
+    -3.546965901797275e-02,    /* 975 */
+    9.959486485725322e-01,    /* 976 */
+    4.056997198534163e-02,    /* 977 */
+    -9.788737033346933e-03,    /* 978 */
+    9.337493607755644e-04,    /* 979 */
+    }, {
+    -6.646237106617679e-04,    /* 980 */
+    9.040332527994370e-03,    /* 981 */
+    -3.819036602615411e-02,    /* 982 */
+    9.952464249282380e-01,    /* 983 */
+    4.417433797463730e-02,    /* 984 */
+    -1.066378013594614e-02,    /* 985 */
+    1.026481066856231e-03,    /* 986 */
+    }, {
+    -7.021438899556850e-04,    /* 987 */
+    9.665910500473909e-03,    /* 988 */
+    -4.087463902843420e-02,    /* 989 */
+    9.944884005189432e-01,    /* 990 */
+    4.781236114450060e-02,    /* 991 */
+    -1.154759694823357e-02,    /* 992 */
+    1.121575216197463e-03,    /* 993 */
+    }, {
+    -7.378464564734607e-04,    /* 994 */
+    1.028139389716235e-02,    /* 995 */
+    -4.352244015375482e-02,    /* 996 */
+    9.936746621981263e-01,    /* 997 */
+    5.148386510315437e-02,    /* 998 */
+    -1.244010211244157e-02,    /* 999 */
+    1.219043658260877e-03,    /* 1000 */
+    }, {
+    -7.717581183646440e-04,    /* 1001 */
+    1.088676859185900e-02,    /* 1002 */
+    -4.613373653420693e-02,    /* 1003 */
+    9.928053031878483e-01,    /* 1004 */
+    5.518866831007525e-02,    /* 1005 */
+    -1.334120758360962e-02,    /* 1006 */
+    1.318897524704578e-03,    /* 1007 */
+    }, {
+    -8.039059177537709e-04,    /* 1008 */
+    1.148202279588897e-02,    /* 1009 */
+    -4.870850028841950e-02,    /* 1010 */
+    9.918804230648608e-01,    /* 1011 */
+    5.892658408265536e-02,    /* 1012 */
+    -1.425082262442998e-02,    /* 1013 */
+    1.421147217468663e-03,    /* 1014 */
+    }, {
+    -8.343172168478687e-04,    /* 1015 */
+    1.206714703989862e-02,    /* 1016 */
+    -5.124670850420399e-02,    /* 1017 */
+    9.909001277457663e-01,    /* 1018 */
+    6.269742060370384e-02,    /* 1019 */
+    -1.516885380059888e-02,    /* 1020 */
+    1.525802396992804e-03,    /* 1021 */
+    }, {
+    -8.630196840440353e-04,    /* 1022 */
+    1.264213415529629e-02,    /* 1023 */
+    -5.374834322045772e-02,    /* 1024 */
+    9.898645294712379e-01,    /* 1025 */
+    6.650098092978608e-02,    /* 1026 */
+    -1.609520497667476e-02,    /* 1027 */
+    1.632871970570320e-03,    /* 1028 */
+    }, {
+    -8.900412800411573e-04,    /* 1029 */
+    1.320697925534576e-02,    /* 1030 */
+    -5.621339140833288e-02,    /* 1031 */
+    9.887737467892981e-01,    /* 1032 */
+    7.033706300040359e-02,    /* 1033 */
+    -1.702977731244917e-02,    /* 1034 */
+    1.742364080842615e-03,    /* 1035 */
+    }, {
+    -9.154102439599487e-04,    /* 1036 */
+    1.376167971591675e-02,    /* 1037 */
+    -5.864184495167603e-02,    /* 1038 */
+    9.876279045376605e-01,    /* 1039 */
+    7.420545964801417e-02,    /* 1040 */
+    -1.797246925983164e-02,    /* 1041 */
+    1.854286094438386e-03,    /* 1042 */
+    }, {
+    -9.391550794753652e-04,    /* 1043 */
+    1.430623515590003e-02,    /* 1044 */
+    -6.103370062674356e-02,    /* 1045 */
+    9.864271338251378e-01,    /* 1046 */
+    7.810595860889319e-02,    /* 1047 */
+    -1.892317656025402e-02,    /* 1048 */
+    1.968644590761548e-03,    /* 1049 */
+    }, {
+    -9.613045409655687e-04,    /* 1050 */
+    1.484064741729164e-02,    /* 1051 */
+    -6.338896008119892e-02,    /* 1052 */
+    9.851715720121177e-01,    /* 1053 */
+    8.203834253483586e-02,    /* 1054 */
+    -1.988179224259554e-02,    /* 1055 */
+    2.085445350932246e-03,    /* 1056 */
+    }, {
+    -9.818876196813738e-04,    /* 1057 */
+    1.536492054495343e-02,    /* 1058 */
+    -6.570762981239750e-02,    /* 1059 */
+    9.838613626901140e-01,    /* 1060 */
+    8.600238900570113e-02,    /* 1061 */
+    -2.084820662163316e-02,    /* 1062 */
+    2.204693346884742e-03,    /* 1063 */
+    }, {
+    -1.000933529940309e-03,    /* 1064 */
+    1.587906076605559e-02,    /* 1065 */
+    -6.798972114496460e-02,    /* 1066 */
+    9.824966556603907e-01,    /* 1067 */
+    8.999787054279679e-02,    /* 1068 */
+    -2.182230729701992e-02,    /* 1069 */
+    2.326392730626404e-03,    /* 1070 */
+    }, {
+    -1.018471695349289e-03,    /* 1071 */
+    1.638307646920682e-02,    /* 1072 */
+    -7.023525020767289e-02,    /* 1073 */
+    9.810776069116667e-01,    /* 1074 */
+    9.402455462310588e-02,    /* 1075 */
+    -2.280397915279337e-02,    /* 1076 */
+    2.450546823661987e-03,    /* 1077 */
+    }, {
+    -1.034531735059858e-03,    /* 1078 */
+    1.687697818327941e-02,    /* 1079 */
+    -7.244423790962552e-02,    /* 1080 */
+    9.796043785969055e-01,    /* 1081 */
+    9.808220369435408e-02,    /* 1082 */
+    -2.379310435741876e-02,    /* 1083 */
+    2.577158106586916e-03,    /* 1084 */
+    }, {
+    -1.049143450059986e-03,    /* 1085 */
+    1.736077855593420e-02,    /* 1086 */
+    -7.461670991575037e-02,    /* 1087 */
+    9.780771390091908e-01,    /* 1088 */
+    1.021705751909168e-01,    /* 1089 */
+    -2.478956236436741e-02,    /* 1090 */
+    2.706228208853840e-03,    /* 1091 */
+    }, {
+    -1.062336809506350e-03,    /* 1092 */
+    1.783449233185286e-02,    /* 1093 */
+    -7.675269662161305e-02,    /* 1094 */
+    9.764960625566944e-01,    /* 1095 */
+    1.062894215505674e-01,    /* 1096 */
+    -2.579322991323553e-02,    /* 1097 */
+    2.837757898716223e-03,    /* 1098 */
+    }, {
+    -1.074141937101013e-03,    /* 1099 */
+    1.829813633068257e-02,    /* 1100 */
+    -7.885223312755388e-02,    /* 1101 */
+    9.748613297367402e-01,    /* 1102 */
+    1.104384902320638e-01,    /* 1103 */
+    -2.680398103140338e-02,    /* 1104 */
+    2.971747073353185e-03,    /* 1105 */
+    }, {
+    -1.084589097516370e-03,    /* 1106 */
+    1.875172942470069e-02,    /* 1107 */
+    -8.091535921215573e-02,    /* 1108 */
+    9.731731271089683e-01,    /* 1109 */
+    1.146175237335723e-01,    /* 1110 */
+    -2.782168703623990e-02,    /* 1111 */
+    3.108194749179169e-03,    /* 1112 */
+    }, {
+    -1.093708682872210e-03,    /* 1113 */
+    1.919529251620448e-02,    /* 1114 */
+    -8.294211930504999e-02,    /* 1115 */
+    9.714316472676046e-01,    /* 1116 */
+    1.188262596119302e-01,    /* 1117 */
+    -2.884621653785256e-02,    /* 1118 */
+    3.247099052342608e-03,    /* 1119 */
+    }, {
+    -1.101531199268716e-03,    /* 1120 */
+    1.962884851463336e-02,    /* 1121 */
+    -8.493256245906648e-02,    /* 1122 */
+    9.696370888128401e-01,    /* 1123 */
+    1.230644305027427e-01,    /* 1124 */
+    -2.987743544238687e-02,    /* 1125 */
+    3.388457209417186e-03,    /* 1126 */
+    }, {
+    -1.108087253379183e-03,    /* 1127 */
+    2.005242231342951e-02,    /* 1128 */
+    -8.688674232173496e-02,    /* 1129 */
+    9.677896563213259e-01,    /* 1130 */
+    1.273317641413156e-01,    /* 1131 */
+    -3.091520695587671e-02,    /* 1132 */
+    3.532265538289867e-03,    /* 1133 */
+    }, {
+    -1.113407539106230e-03,    /* 1134 */
+    2.046604076664311e-02,    /* 1135 */
+    -8.880471710614442e-02,    /* 1136 */
+    9.658895603157857e-01,    /* 1137 */
+    1.316279833844193e-01,    /* 1138 */
+    -3.195939158864695e-02,    /* 1139 */
+    3.678519439249078e-03,    /* 1140 */
+    }, {
+    -1.117522824305172e-03,    /* 1141 */
+    2.086973266528943e-02,    /* 1142 */
+    -9.068654956116820e-02,    /* 1143 */
+    9.639370172337561e-01,    /* 1144 */
+    1.359528062328858e-01,    /* 1145 */
+    -3.300984716027202e-02,    /* 1146 */
+    3.827213386276986e-03,    /* 1147 */
+    }, {
+    -1.120463937578314e-03,    /* 1148 */
+    2.126352871346326e-02,    /* 1149 */
+    -9.253230694106100e-02,    /* 1150 */
+    9.619322493954562e-01,    /* 1151 */
+    1.403059458550339e-01,    /* 1152 */
+    -3.406642880509015e-02,    /* 1153 */
+    3.978340918549750e-03,    /* 1154 */
+    }, {
+    -1.122261755143747e-03,    /* 1155 */
+    2.164746150421816e-02,    /* 1156 */
+    -9.434206097443590e-02,    /* 1157 */
+    9.598754849707929e-01,    /* 1158 */
+    1.446871106109222e-01,    /* 1159 */
+    -3.512898897827717e-02,    /* 1160 */
+    4.131894632149082e-03,    /* 1161 */
+    }, {
+    -1.122947187782295e-03,    /* 1162 */
+    2.202156549521620e-02,    /* 1163 */
+    -9.611588783262809e-02,    /* 1164 */
+    9.577669579455091e-01,    /* 1165 */
+    1.490960040774270e-01,    /* 1166 */
+    -3.619737746247935e-02,    /* 1167 */
+    4.287866171989037e-03,    /* 1168 */
+    }, {
+    -1.122551167866203e-03,    /* 1169 */
+    2.238587698415551e-02,    /* 1170 */
+    -9.785386809745342e-02,    /* 1171 */
+    9.556069080864779e-01,    /* 1172 */
+    1.535323250741442e-01,    /* 1173 */
+    -3.727144137500895e-02,    /* 1174 */
+    4.446246223961389e-03,    /* 1175 */
+    }, {
+    -1.121104636473070e-03,    /* 1176 */
+    2.274043408398138e-02,    /* 1177 */
+    -9.955608672836883e-02,    /* 1178 */
+    9.533955809061508e-01,    /* 1179 */
+    1.579957676901108e-01,    /* 1180 */
+    -3.835102517560170e-02,    /* 1181 */
+    4.607024507303565e-03,    /* 1182 */
+    }, {
+    -1.118638530588553e-03,    /* 1183 */
+    2.308527669788855e-02,    /* 1184 */
+    -1.012226330290420e-01,    /* 1185 */
+    9.511332276261677e-01,    /* 1186 */
+    1.624860213113444e-01,    /* 1187 */
+    -3.943597067473980e-02,    /* 1188 */
+    4.770189767192131e-03,    /* 1189 */
+    }, {
+    -1.115183770401296e-03,    /* 1190 */
+    2.342044649412001e-02,    /* 1191 */
+    -1.028536006133390e-01,    /* 1192 */
+    9.488201051401287e-01,    /* 1193 */
+    1.670027706491982e-01,    /* 1194 */
+    -4.052611704253924e-02,    /* 1195 */
+    4.935729767565705e-03,    /* 1196 */
+    }, {
+    -1.110771246693530e-03,    /* 1197 */
+    2.374598688057016e-02,    /* 1198 */
+    -1.044490873707362e-01,    /* 1199 */
+    9.464564759755407e-01,    /* 1200 */
+    1.715456957695286e-01,    /* 1201 */
+    -4.162130081820462e-02,    /* 1202 */
+    5.103631284180478e-03,    /* 1203 */
+    }, {
+    -1.105431808330667e-03,    /* 1204 */
+    2.406194297919816e-02,    /* 1205 */
+    -1.060091954311663e-01,    /* 1206 */
+    9.440426082549445e-01,    /* 1207 */
+    1.761144721226713e-01,    /* 1208 */
+    -4.272135592005138e-02,    /* 1209 */
+    5.273880097902076e-03,    /* 1210 */
+    }, {
+    -1.099196249853307e-03,    /* 1211 */
+    2.436836160025825e-02,    /* 1212 */
+    -1.075340311293039e-01,    /* 1213 */
+    9.415787756562223e-01,    /* 1214 */
+    1.807087705742239e-01,    /* 1215 */
+    -4.382611365609584e-02,    /* 1216 */
+    5.446460988236670e-03,    /* 1217 */
+    }, {
+    -1.092095299174878e-03,    /* 1218 */
+    2.466529121635406e-02,    /* 1219 */
+    -1.090237049683018e-01,    /* 1220 */
+    9.390652573721028e-01,    /* 1221 */
+    1.853282574366316e-01,    /* 1222 */
+    -4.493540273521546e-02,    /* 1223 */
+    5.621357727104864e-03,    /* 1224 */
+    }, {
+    -1.084159605388224e-03,    /* 1225 */
+    2.495278193632289e-02,    /* 1226 */
+    -1.104783315829824e-01,    /* 1227 */
+    9.365023380688623e-01,    /* 1228 */
+    1.899725945015709e-01,    /* 1229 */
+    -4.604904927887769e-02,    /* 1230 */
+    5.798553072861818e-03,    /* 1231 */
+    }, {
+    -1.075419726684316e-03,    /* 1232 */
+    2.523088547895752e-02,    /* 1233 */
+    -1.118980297024964e-01,    /* 1234 */
+    9.338903078442332e-01,    /* 1235 */
+    1.946414390731309e-01,    /* 1236 */
+    -4.716687683344033e-02,    /* 1237 */
+    5.978028764566336e-03,    /* 1238 */
+    }, {
+    -1.065906118386268e-03,    /* 1239 */
+    2.549965514657118e-02,    /* 1240 */
+    -1.132829221124536e-01,    /* 1241 */
+    9.312294621845263e-01,    /* 1242 */
+    1.993344440017834e-01,    /* 1243 */
+    -4.828870638302148e-02,    /* 1244 */
+    6.159765516502505e-03,    /* 1245 */
+    }, {
+    -1.055649121101780e-03,    /* 1246 */
+    2.575914579841332e-02,    /* 1247 */
+    -1.146331356165368e-01,    /* 1248 */
+    9.285201019209733e-01,    /* 1249 */
+    2.040512577191446e-01,    /* 1250 */
+    -4.941435636294156e-02,    /* 1251 */
+    6.343743012956645e-03,    /* 1252 */
+    }, {
+    -1.044678948997064e-03,    /* 1253 */
+    2.600941382394202e-02,    /* 1254 */
+    -1.159488009976052e-01,    /* 1255 */
+    9.257625331852983e-01,    /* 1256 */
+    2.087915242735169e-01,    /* 1257 */
+    -5.054364267373540e-02,    /* 1258 */
+    6.529939903253073e-03,    /* 1259 */
+    }, {
+    -1.033025678195301e-03,    /* 1260 */
+    2.625051711596052e-02,    /* 1261 */
+    -1.172300529782974e-01,    /* 1262 */
+    9.229570673645258e-01,    /* 1263 */
+    2.135548833662130e-01,    /* 1264 */
+    -5.167637869573667e-02,    /* 1265 */
+    6.718333797051150e-03,    /* 1266 */
+    }, {
+    -1.020719235302619e-03,    /* 1267 */
+    2.648251504362370e-02,    /* 1268 */
+    -1.184770301811412e-01,    /* 1269 */
+    9.201040210550299e-01,    /* 1270 */
+    2.183409703886530e-01,    /* 1271 */
+    -5.281237530423245e-02,    /* 1272 */
+    6.908901259906972e-03,    /* 1273 */
+    }, {
+    -1.007789386064493e-03,    /* 1274 */
+    2.670546842532187e-02,    /* 1275 */
+    -1.196898750881803e-01,    /* 1276 */
+    9.172037160158394e-01,    /* 1277 */
+    2.231494164602341e-01,    /* 1278 */
+    -5.395144088518943e-02,    /* 1279 */
+    7.101617809102288e-03,    /* 1280 */
+    }, {
+    -9.942657241554641e-04,    /* 1281 */
+    2.691943950144822e-02,    /* 1282 */
+    -1.208687340001249e-01,    /* 1283 */
+    9.142564791211991e-01,    /* 1284 */
+    2.279798484669641e-01,    /* 1285 */
+    -5.509338135155091e-02,    /* 1286 */
+    7.296457909743918e-03,    /* 1287 */
+    }, {
+    -9.801776601050557e-04,    /* 1288 */
+    2.712449190705641e-02,    /* 1289 */
+    -1.220137569950366e-01,    /* 1290 */
+    9.112626423123993e-01,    /* 1291 */
+    2.328318891008579e-01,    /* 1292 */
+    -5.623800016010321e-02,    /* 1293 */
+    7.493394971135955e-03,    /* 1294 */
+    }, {
+    -9.655544103626029e-04,    /* 1295 */
+    2.732069064441559e-02,    /* 1296 */
+    -1.231250978865554e-01,    /* 1297 */
+    9.082225425488828e-01,    /* 1298 */
+    2.377051569000891e-01,    /* 1299 */
+    -5.738509832891316e-02,    /* 1300 */
+    7.692401343427691e-03,    /* 1301 */
+    }, {
+    -9.504249865037702e-04,    /* 1302 */
+    2.750810205546858e-02,    /* 1303 */
+    -1.242029141816779e-01,    /* 1304 */
+    9.051365217586359e-01,    /* 1305 */
+    2.425992662898926e-01,    /* 1306 */
+    -5.853447445533320e-02,    /* 1307 */
+    7.893448314540197e-03,    /* 1308 */
+    }, {
+    -9.348181845814541e-04,    /* 1309 */
+    2.768679379420070e-02,    /* 1310 */
+    -1.252473670380959e-01,    /* 1311 */
+    9.020049267878701e-01,    /* 1312 */
+    2.475138276242130e-01,    /* 1313 */
+    -5.968592473457642e-02,    /* 1314 */
+    8.096506107373698e-03,    /* 1315 */
+    }, {
+    -9.187625746236699e-04,    /* 1316 */
+    2.785683479892532e-02,    /* 1317 */
+    -1.262586212211042e-01,    /* 1318 */
+    8.988281093500092e-01,    /* 1319 */
+    2.524484472280946e-01,    /* 1320 */
+    -6.083924297885757e-02,    /* 1321 */
+    8.301543877298635e-03,    /* 1322 */
+    }, {
+    -9.022864902810273e-04,    /* 1323 */
+    2.801829526449300e-02,    /* 1324 */
+    -1.272368450600864e-01,    /* 1325 */
+    8.956064259739822e-01,    /* 1326 */
+    2.574027274408040e-01,    /* 1327 */
+    -6.199422063710185e-02,    /* 1328 */
+    8.508529709932666e-03,    /* 1329 */
+    }, {
+    -8.854180186263388e-04,    /* 1330 */
+    2.817124661443064e-02,    /* 1331 */
+    -1.281822104045887e-01,    /* 1332 */
+    8.923402379518393e-01,    /* 1333 */
+    2.623762666596838e-01,    /* 1334 */
+    -6.315064681521791e-02,    /* 1335 */
+    8.717430619206452e-03,    /* 1336 */
+    }, {
+    -8.681849901087664e-04,    /* 1337 */
+    2.831576147301751e-02,    /* 1338 */
+    -1.290948925799897e-01,    /* 1339 */
+    8.890299112856920e-01,    /* 1340 */
+    2.673686593847286e-01,    /* 1341 */
+    -6.430830829693616e-02,    /* 1342 */
+    8.928212545720045e-03,    /* 1343 */
+    }, {
+    -8.506149686650558e-04,    /* 1344 */
+    2.845191363730427e-02,    /* 1345 */
+    -1.299750703427760e-01,    /* 1346 */
+    8.856758166339943e-01,    /* 1347 */
+    2.723794962638790e-01,    /* 1348 */
+    -6.546698956520861e-02,    /* 1349 */
+    9.140840355392437e-03,    /* 1350 */
+    }, {
+    -8.327352419900550e-04,    /* 1351 */
+    2.857977804908198e-02,    /* 1352 */
+    -1.308229258354336e-01,    /* 1353 */
+    8.822783292571661e-01,    /* 1354 */
+    2.774083641390264e-01,    /* 1355 */
+    -6.662647282417096e-02,    /* 1356 */
+    9.355277838406877e-03,    /* 1357 */
+    }, {
+    -8.145728119690237e-04,    /* 1358 */
+    2.869943076680737e-02,    /* 1359 */
+    -1.316386445409620e-01,    /* 1360 */
+    8.788378289625756e-01,    /* 1361 */
+    2.824548460927230e-01,    /* 1362 */
+    -6.778653802166430e-02,    /* 1363 */
+    9.571487708453395e-03,    /* 1364 */
+    }, {
+    -7.961543852738185e-04,    /* 1365 */
+    2.881094893749082e-02,    /* 1366 */
+    -1.324224152370240e-01,    /* 1367 */
+    8.753547000488832e-01,    /* 1368 */
+    2.875185214955909e-01,    /* 1369 */
+    -6.894696287231404e-02,    /* 1370 */
+    9.789431602271271e-03,    /* 1371 */
+    }, {
+    -7.775063641252938e-04,    /* 1372 */
+    2.891441076855387e-02,    /* 1373 */
+    -1.331744299497369e-01,    /* 1374 */
+    8.718293312497631e-01,    /* 1375 */
+    2.925989660544231e-01,    /* 1376 */
+    -7.010752288116626e-02,    /* 1377 */
+    1.000907007949311e-02,    /* 1378 */
+    }, {
+    -7.586548372239626e-04,    /* 1379 */
+    2.900989549966232e-02,    /* 1380 */
+    -1.338948839071171e-01,    /* 1381 */
+    8.682621156770067e-01,    /* 1382 */
+    2.976957518609703e-01,    /* 1383 */
+    -7.126799136787691e-02,    /* 1384 */
+    1.023036262279292e-02,    /* 1385 */
+    }, {
+    -7.396255708510786e-04,    /* 1386 */
+    2.909748337454149e-02,    /* 1387 */
+    -1.345839754921861e-01,    /* 1388 */
+    8.646534507630197e-01,    /* 1389 */
+    3.028084474414053e-01,    /* 1390 */
+    -7.242813949145467e-02,    /* 1391 */
+    1.045326763833955e-02,    /* 1392 */
+    }, {
+    -7.204440001421441e-04,    /* 1393 */
+    2.917725561278015e-02,    /* 1394 */
+    -1.352419061957486e-01,    /* 1395 */
+    8.610037382027232e-01,    /* 1396 */
+    3.079366178064618e-01,    /* 1397 */
+    -7.358773627555218e-02,    /* 1398 */
+    1.067774245655789e-02,    /* 1399 */
+    }, {
+    -7.011352205348302e-04,    /* 1400 */
+    2.924929438162952e-02,    /* 1401 */
+    -1.358688805688508e-01,    /* 1402 */
+    8.573133838948686e-01,    /* 1403 */
+    3.130798245022357e-01,    /* 1404 */
+    -7.474654863430663e-02,    /* 1405 */
+    1.090374333319907e-02,    /* 1406 */
+    }, {
+    -6.817239793932266e-04,    /* 1407 */
+    2.931368276780341e-02,    /* 1408 */
+    -1.364651061749298e-01,    /* 1409 */
+    8.535827978827749e-01,    /* 1410 */
+    3.182376256616457e-01,    /* 1411 */
+    -7.590434139872407e-02,    /* 1412 */
+    1.113122545072202e-02,    /* 1413 */
+    }, {
+    -6.622346678102776e-04,    /* 1414 */
+    2.937050474928606e-02,    /* 1415 */
+    -1.370307935416629e-01,    /* 1416 */
+    8.498123942944995e-01,    /* 1417 */
+    3.234095760565429e-01,    /* 1418 */
+    -7.706087734360774e-02,    /* 1419 */
+    1.136014291998739e-02,    /* 1420 */
+    }, {
+    -6.426913125902382e-04,    /* 1421 */
+    2.941984516715388e-02,    /* 1422 */
+    -1.375661561125266e-01,    /* 1423 */
+    8.460025912824529e-01,    /* 1424 */
+    3.285952271504655e-01,    /* 1425 */
+    -7.821591721502538e-02,    /* 1426 */
+    1.159044878226562e-02,    /* 1427 */
+    }, {
+    -6.231175684128511e-04,    /* 1428 */
+    2.946178969741759e-02,    /* 1429 */
+    -1.380714101980755e-01,    /* 1430 */
+    8.421538109624669e-01,    /* 1431 */
+    3.337941271520264e-01,    /* 1432 */
+    -7.936921975831460e-02,    /* 1433 */
+    1.182209501156100e-02,    /* 1434 */
+    }, {
+    -6.035367101809801e-04,    /* 1435 */
+    2.949642482289040e-02,    /* 1436 */
+    -1.385467749269494e-01,    /* 1437 */
+    8.382664793523271e-01,    /* 1438 */
+    3.390058210689310e-01,    /* 1439 */
+    -8.052054174662254e-02,    /* 1440 */
+    1.205503251725260e-02,    /* 1441 */
+    }, {
+    -5.839716255532901e-04,    /* 1442 */
+    2.952383780508903e-02,    /* 1443 */
+    -1.389924721966199e-01,    /* 1444 */
+    8.343410263097801e-01,    /* 1445 */
+    3.442298507626138e-01,    /* 1446 */
+    -8.166963800997633e-02,    /* 1447 */
+    1.228921114705370e-02,    /* 1448 */
+    }, {
+    -5.644448076635753e-04,    /* 1449 */
+    2.954411665617338e-02,    /* 1450 */
+    -1.394087266238854e-01,    /* 1451 */
+    8.303778854700258e-01,    /* 1452 */
+    3.494657550034874e-01,    /* 1453 */
+    -8.281626146488272e-02,    /* 1454 */
+    1.252457969029095e-02,    /* 1455 */
+    }, {
+    -5.449783480282249e-04,    /* 1456 */
+    2.955735011093100e-02,    /* 1457 */
+    -1.397957654951237e-01,    /* 1458 */
+    8.263774941827043e-01,    /* 1459 */
+    3.547130695267950e-01,    /* 1460 */
+    -8.396016314445182e-02,    /* 1461 */
+    1.276108588150466e-02,    /* 1462 */
+    }, {
+    -5.255939296432825e-04,    /* 1463 */
+    2.956362759881255e-02,    /* 1464 */
+    -1.401538187163136e-01,    /* 1465 */
+    8.223402934483920e-01,    /* 1466 */
+    3.599713270890607e-01,    /* 1467 */
+    -8.510109222904338e-02,    /* 1468 */
+    1.299867640437090e-02,    /* 1469 */
+    }, {
+    -5.063128202724816e-04,    /* 1470 */
+    2.956303921602418e-02,    /* 1471 */
+    -1.404831187628331e-01,    /* 1472 */
+    8.182667278546104e-01,    /* 1473 */
+    3.652400575251253e-01,    /* 1474 */
+    -8.623879607743025e-02,    /* 1475 */
+    1.323729689594689e-02,    /* 1476 */
+    }, {
+    -4.871558659276469e-04,    /* 1477 */
+    2.955567569768274e-02,    /* 1478 */
+    -1.407839006290460e-01,    /* 1479 */
+    8.141572455113678e-01,    /* 1480 */
+    3.705187878057628e-01,    /* 1481 */
+    -8.737302025847754e-02,    /* 1482 */
+    1.347689195124034e-02,    /* 1483 */
+    }, {
+    -4.681434845426153e-04,    /* 1484 */
+    2.954162839003991e-02,    /* 1485 */
+    -1.410564017776856e-01,    /* 1486 */
+    8.100122979862356e-01,    /* 1487 */
+    3.758070420958670e-01,    /* 1488 */
+    -8.850350858333141e-02,    /* 1489 */
+    1.371740512810407e-02,    /* 1490 */
+    }, {
+    -4.492956598419907e-04,    /* 1491 */
+    2.952098922278122e-02,    /* 1492 */
+    -1.413008620890449e-01,    /* 1493 */
+    8.058323402389781e-01,    /* 1494 */
+    3.811043418132007e-01,    /* 1495 */
+    -8.963000313811628e-02,    /* 1496 */
+    1.395877895245621e-02,    /* 1497 */
+    }, {
+    -4.306319354058826e-04,    /* 1498 */
+    2.949385068140553e-02,    /* 1499 */
+    -1.415175238099844e-01,    /* 1500 */
+    8.016178305557399e-01,    /* 1501 */
+    3.864102056876984e-01,    /* 1502 */
+    -9.075224431713386e-02,    /* 1503 */
+    1.420095492382687e-02,    /* 1504 */
+    }, {
+    -4.121714089315939e-04,    /* 1505 */
+    2.946030577969092e-02,    /* 1506 */
+    -1.417066315027663e-01,    /* 1507 */
+    7.973692304828067e-01,    /* 1508 */
+    3.917241498213130e-01,    /* 1509 */
+    -9.186997085656183e-02,    /* 1510 */
+    1.444387352123256e-02,    /* 1511 */
+    }, {
+    -3.939327266934505e-04,    /* 1512 */
+    2.942044803225294e-02,    /* 1513 */
+    -1.418684319937252e-01,    /* 1514 */
+    7.930870047599514e-01,    /* 1515 */
+    3.970456877483993e-01,    /* 1516 */
+    -9.298291986864780e-02,    /* 1517 */
+    1.468747420937781e-02,    /* 1518 */
+    }, {
+    -3.759340782016456e-04,    /* 1519 */
+    2.937437142720069e-02,    /* 1520 */
+    -1.420031743217853e-01,    /* 1521 */
+    7.887716212533704e-01,    /* 1522 */
+    4.023743304966226e-01,    /* 1523 */
+    -9.409082687639277e-02,    /* 1524 */
+    1.493169544518567e-02,    /* 1525 */
+    }, {
+    -3.581931910609877e-04,    /* 1526 */
+    2.932217039889637e-02,    /* 1527 */
+    -1.421111096868331e-01,    /* 1528 */
+    7.844235508882289e-01,    /* 1529 */
+    4.077095866483865e-01,    /* 1530 */
+    -9.519342584872197e-02,    /* 1531 */
+    1.517647468465644e-02,    /* 1532 */
+    }, {
+    -3.407273260304884e-04,    /* 1533 */
+    2.926393980082415e-02,    /* 1534 */
+    -1.421924913979572e-01,    /* 1535 */
+    7.800432675808223e-01,    /* 1536 */
+    4.130509624027673e-01,    /* 1537 */
+    -9.629044923613632e-02,    /* 1538 */
+    1.542174839005620e-02,    /* 1539 */
+    }, {
+    -3.235532722844501e-04,    /* 1540 */
+    2.919977487857369e-02,    /* 1541 */
+    -1.422475748215626e-01,    /* 1542 */
+    7.756312481703652e-01,    /* 1543 */
+    4.183979616379481e-01,    /* 1544 */
+    -9.738162800684201e-02,    /* 1545 */
+    1.566745203743416e-02,    /* 1546 */
+    }, {
+    -3.066873428758958e-04,    /* 1547 */
+    2.912977124294393e-02,    /* 1548 */
+    -1.422766173293711e-01,    /* 1549 */
+    7.711879723504229e-01,    /* 1550 */
+    4.237500859741424e-01,    /* 1551 */
+    -9.846669168335127e-02,    /* 1552 */
+    1.591352012446994e-02,    /* 1553 */
+    }, {
+    -2.901453704029424e-04,    /* 1554 */
+    2.905402484317260e-02,    /* 1555 */
+    -1.422798782463173e-01,    /* 1556 */
+    7.667139225999916e-01,    /* 1557 */
+    4.291068348369969e-01,    /* 1558 */
+    -9.954536837955191e-02,    /* 1559 */
+    1.615988617865028e-02,    /* 1560 */
+    }, {
+    -2.739427028786713e-04,    /* 1561 */
+    2.897263194029685e-02,    /* 1562 */
+    -1.422576187983489e-01,    /* 1563 */
+    7.622095841142430e-01,    /* 1564 */
+    4.344677055214644e-01,    /* 1565 */
+    -1.006173848382378e-01,    /* 1566 */
+    1.640648276577594e-02,    /* 1567 */
+    }, {
+    -2.580941998051696e-04,    /* 1568 */
+    2.888568908065016e-02,    /* 1569 */
+    -1.422101020601427e-01,    /* 1570 */
+    7.576754447349440e-01,    /* 1571 */
+    4.398321932561375e-01,    /* 1572 */
+    -1.016824664690990e-01,    /* 1573 */
+    1.665324149879781e-02,    /* 1574 */
+    }, {
+    -2.426142284520608e-04,    /* 1575 */
+    2.879329306950119e-02,    /* 1576 */
+    -1.421375929027446e-01,    /* 1577 */
+    7.531119948805626e-01,    /* 1578 */
+    4.451997912680325e-01,    /* 1579 */
+    -1.027403373871614e-01,    /* 1580 */
+    1.690009304698279e-02,    /* 1581 */
+    }, {
+    -2.275166603400509e-04,    /* 1582 */
+    2.869554094483946e-02,    /* 1583 */
+    -1.420403579411441e-01,    /* 1584 */
+    7.485197274760710e-01,    /* 1585 */
+    4.505699908478140e-01,    /* 1586 */
+    -1.037907204516760e-01,    /* 1587 */
+    1.714696714540915e-02,    /* 1588 */
+    }, {
+    -2.128148679298167e-04,    /* 1589 */
+    2.859252995131316e-02,    /* 1590 */
+    -1.419186654817930e-01,    /* 1591 */
+    7.438991378824603e-01,    /* 1592 */
+    4.559422814154492e-01,    /* 1593 */
+    -1.048333373054486e-01,    /* 1594 */
+    1.739379260479069e-02,    /* 1595 */
+    }, {
+    -1.985217215164836e-04,    /* 1596 */
+    2.848435751432410e-02,    /* 1597 */
+    -1.417727854700776e-01,    /* 1598 */
+    7.392507238259753e-01,    /* 1599 */
+    4.613161505862837e-01,    /* 1600 */
+    -1.058679084146052e-01,    /* 1601 */
+    1.764049732162978e-02,    /* 1602 */
+    }, {
+    -1.846495863300355e-04,    /* 1603 */
+    2.837112121428517e-02,    /* 1604 */
+    -1.416029894377547e-01,    /* 1605 */
+    7.345749853270843e-01,    /* 1606 */
+    4.666910842375266e-01,    /* 1607 */
+    -1.068941531087891e-01,    /* 1608 */
+    1.788700828869835e-02,    /* 1609 */
+    }, {
+    -1.712103198416544e-04,    /* 1610 */
+    2.825291876104482e-02,    /* 1611 */
+    -1.414095504503600e-01,    /* 1612 */
+    7.298724246291924e-01,    /* 1613 */
+    4.720665665751356e-01,    /* 1614 */
+    -1.079117896217818e-01,    /* 1615 */
+    1.813325160584695e-02,    /* 1616 */
+    }, {
+    -1.582152692763085e-04,    /* 1617 */
+    2.812984796848375e-02,    /* 1618 */
+    -1.411927430545998e-01,    /* 1619 */
+    7.251435461271148e-01,    /* 1620 */
+    4.774420802010910e-01,    /* 1621 */
+    -1.089205351325436e-01,    /* 1622 */
+    1.837915249114045e-02,    /* 1623 */
+    }, {
+    -1.456752693314445e-04,    /* 1624 */
+    2.800200672928881e-02,    /* 1625 */
+    -1.409528432257348e-01,    /* 1626 */
+    7.203888562953171e-01,    /* 1627 */
+    4.828171061810496e-01,    /* 1628 */
+    -1.099201058066671e-01,    /* 1629 */
+    1.862463529232039e-02,    /* 1630 */
+    }, {
+    -1.336006401019428e-04,    /* 1631 */
+    2.786949298990845e-02,    /* 1632 */
+    -1.406901283149657e-01,    /* 1633 */
+    7.156088636159380e-01,    /* 1634 */
+    4.881911241123659e-01,    /* 1635 */
+    -1.109102168382377e-01,    /* 1636 */
+    1.886962349859249e-02,    /* 1637 */
+    }, {
+    -1.220011852110915e-04,    /* 1638 */
+    2.773240472569498e-02,    /* 1639 */
+    -1.404048769968304e-01,    /* 1640 */
+    7.108040785066047e-01,    /* 1641 */
+    4.935636121924722e-01,    /* 1642 */
+    -1.118905824920952e-01,    /* 1643 */
+    1.911403975273935e-02,    /* 1644 */
+    }, {
+    -1.108861901476344e-04,    /* 1645 */
+    2.759083991623796e-02,    /* 1646 */
+    -1.400973692166212e-01,    /* 1647 */
+    7.059750132480542e-01,    /* 1648 */
+    4.989340472876037e-01,    /* 1649 */
+    -1.128609161464899e-01,    /* 1650 */
+    1.935780586355643e-02,    /* 1651 */
+    }, {
+    -1.002644208085391e-04,    /* 1652 */
+    2.744489652089330e-02,    /* 1653 */
+    -1.397678861378340e-01,    /* 1654 */
+    7.011221819115717e-01,    /* 1655 */
+    5.043019050018616e-01,    /* 1656 */
+    -1.138209303361282e-01,    /* 1657 */
+    1.960084281861067e-02,    /* 1658 */
+    }, {
+    -9.014412224732896e-05,    /* 1659 */
+    2.729467245451285e-02,    /* 1660 */
+    -1.394167100896560e-01,    /* 1661 */
+    6.962461002862578e-01,    /* 1662 */
+    5.096666597466010e-01,    /* 1663 */
+    -1.147703367955984e-01,    /* 1664 */
+    1.984307079732106e-02,    /* 1665 */
+    }, {
+    -8.053301762762107e-05,    /* 1666 */
+    2.714026556337870e-02,    /* 1667 */
+    -1.390441245145027e-01,    /* 1668 */
+    6.913472858061384e-01,    /* 1669 */
+    5.150277848101327e-01,    /* 1670 */
+    -1.157088465031742e-01,    /* 1671 */
+    2.008440918435909e-02,    /* 1672 */
+    }, {
+    -7.143830738156712e-05,    /* 1673 */
+    2.698177360134680e-02,    /* 1674 */
+    -1.386504139156142e-01,    /* 1675 */
+    6.864262574771270e-01,    /* 1676 */
+    5.203847524277286e-01,    /* 1677 */
+    -1.166361697249849e-01,    /* 1678 */
+    2.032477658336845e-02,    /* 1679 */
+    }, {
+    -6.286666857267136e-05,    /* 1680 */
+    2.681929420620386e-02,    /* 1681 */
+    -1.382358638047184e-01,    /* 1682 */
+    6.814835358038533e-01,    /* 1683 */
+    5.257370338519197e-01,    /* 1684 */
+    -1.175520160595501e-01,    /* 1685 */
+    2.056409083100217e-02,    /* 1686 */
+    }, {
+    -5.482425446254296e-05,    /* 1687 */
+    2.665292487624222e-02,    /* 1688 */
+    -1.378007606497726e-01,    /* 1689 */
+    6.765196427163698e-01,    /* 1690 */
+    5.310840994230748e-01,    /* 1691 */
+    -1.184560944826678e-01,    /* 1692 */
+    2.080226901127631e-02,    /* 1693 */
+    }, {
+    -4.731669428110093e-05,    /* 1694 */
+    2.648276294705649e-02,    /* 1695 */
+    -1.373453918227895e-01,    /* 1696 */
+    6.715351014967476e-01,    /* 1697 */
+    5.364254186402488e-01,    /* 1698 */
+    -1.193481133926526e-01,    /* 1699 */
+    2.103922747023789e-02,    /* 1700 */
+    }, {
+    -4.034909319948082e-05,    /* 1701 */
+    2.630890556856650e-02,    /* 1702 */
+    -1.368700455477614e-01,    /* 1703 */
+    6.665304367055752e-01,    /* 1704 */
+    5.417604602322907e-01,    /* 1705 */
+    -1.202277806559141e-01,    /* 1706 */
+    2.127488183094605e-02,    /* 1707 */
+    }, {
+    -3.392603250514114e-05,    /* 1708 */
+    2.613144968226988e-02,    /* 1709 */
+    -1.363750108486864e-01,    /* 1710 */
+    6.615061741083712e-01,    /* 1711 */
+    5.470886922291980e-01,    /* 1712 */
+    -1.210948036528713e-01,    /* 1713 */
+    2.150914700876424e-02,    /* 1714 */
+    }, {
+    -2.805156997831240e-05,    /* 1715 */
+    2.595049199872917e-02,    /* 1716 */
+    -1.358605774977103e-01,    /* 1717 */
+    6.564628406019232e-01,    /* 1718 */
+    5.524095820337069e-01,    /* 1719 */
+    -1.219488893241928e-01,    /* 1720 */
+    2.174193722696236e-02,    /* 1721 */
+    }, {
+    -2.272924046911682e-05,    /* 1722 */
+    2.576612897529643e-02,    /* 1723 */
+    -1.353270359633906e-01,    /* 1724 */
+    6.514009641405650e-01,    /* 1725 */
+    5.577225964931086e-01,    /* 1726 */
+    -1.227897442173580e-01,    /* 1727 */
+    2.197316603262602e-02,    /* 1728 */
+    }, {
+    -1.796205667443242e-05,    /* 1729 */
+    2.557845679407980e-02,    /* 1730 */
+    -1.347746773590917e-01,    /* 1731 */
+    6.463210736624057e-01,    /* 1732 */
+    5.630272019712755e-01,    /* 1733 */
+    -1.236170745335310e-01,    /* 1734 */
+    2.220274631287172e-02,    /* 1735 */
+    }, {
+    -1.375251011368080e-05,    /* 1736 */
+    2.538757134015553e-02,    /* 1737 */
+    -1.342037933915221e-01,    /* 1738 */
+    6.412236990155202e-01,    /* 1739 */
+    5.683228644208926e-01,    /* 1740 */
+    -1.244305861747393e-01,    /* 1741 */
+    2.243059031136537e-02,    /* 1742 */
+    }, {
+    -1.010257230258042e-05,    /* 1743 */
+    2.519356818002896e-02,    /* 1744 */
+    -1.336146763094198e-01,    /* 1745 */
+    6.361093708841161e-01,    /* 1746 */
+    5.736090494558752e-01,    /* 1747 */
+    -1.252299847913509e-01,    /* 1748 */
+    2.265660964514263e-02,    /* 1749 */
+    }, {
+    -7.013696123785544e-06,    /* 1750 */
+    2.499654254034837e-02,    /* 1751 */
+    -1.330076188523975e-01,    /* 1752 */
+    6.309786207146856e-01,    /* 1753 */
+    5.788852224239674e-01,    /* 1754 */
+    -1.260149758298408e-01,    /* 1755 */
+    2.288071532172811e-02,    /* 1756 */
+    }, {
+    -4.486817393493708e-06,    /* 1757 */
+    2.479658928687493e-02,    /* 1758 */
+    -1.323829141999531e-01,    /* 1759 */
+    6.258319806421593e-01,    /* 1760 */
+    5.841508484795060e-01,    /* 1761 */
+    -1.267852645808413e-01,    /* 1762 */
+    2.310281775655174e-02,    /* 1763 */
+    }, {
+    -2.522356622734990e-06,    /* 1764 */
+    2.459380290371239e-02,    /* 1765 */
+    -1.317408559206581e-01,    /* 1766 */
+    6.206699834160688e-01,    /* 1767 */
+    5.894053926563386e-01,    /* 1768 */
+    -1.275405562274653e-01,    /* 1769 */
+    2.332282679065955e-02,    /* 1770 */
+    }, {
+    -1.120220972351802e-06,    /* 1771 */
+    2.438827747279956e-02,    /* 1772 */
+    -1.310817379215285e-01,    /* 1773 */
+    6.154931623267351e-01,    /* 1774 */
+    5.946483199408858e-01,    /* 1775 */
+    -1.282805558938982e-01,    /* 1776 */
+    2.354065170871666e-02,    /* 1777 */
+    }, {
+    -2.798064002790454e-07,    /* 1778 */
+    2.418010665366927e-02,    /* 1779 */
+    -1.304058543975903e-01,    /* 1780 */
+    6.103020511314905e-01,    /* 1781 */
+    5.998790953453343e-01,    /* 1782 */
+    -1.290049686942476e-01,    /* 1783 */
+    2.375620125729980e-02,    /* 1784 */
+    }, {
+    -0.000000000000000e+00,    /* 1785 */
+    2.396938366347660e-02,    /* 1786 */
+    -1.297134997816453e-01,    /* 1787 */
+    6.050971839809485e-01,    /* 1788 */
+    6.050971839809485e-01,    /* 1789 */
+    -1.297134997816453e-01,    /* 1790 */
+    2.396938366347660e-02,    /* 1791 */
+    }
+};
+
diff --git a/libs/fluidsynth/glib.c b/libs/fluidsynth/glib.c
new file mode 100644
index 00000000000..cd938a4fb6b
--- /dev/null
+++ b/libs/fluidsynth/glib.c
@@ -0,0 +1,106 @@
+/*
+ * Copyright 2023 Rémi Bernon for CodeWeavers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <glib.h>
+
+int g_vsnprintf( char *buffer, size_t size, const char *format, va_list args )
+{
+    int ret = _vsnprintf( buffer, size - 1, format, args );
+    if (ret >= 0 && ret < size) buffer[ret] = 0;
+    else buffer[0] = 0;
+    return ret;
+}
+
+int g_snprintf( char *buffer, size_t size, const char *format, ... )
+{
+    va_list args;
+    int ret;
+
+    va_start( args, format );
+    ret = g_vsnprintf( buffer, size, format, args );
+    va_end( args );
+
+    return ret;
+}
+
+double g_get_monotonic_time(void)
+{
+    static LARGE_INTEGER frequency = {0};
+    LARGE_INTEGER counter;
+
+    if (!frequency.QuadPart) QueryPerformanceFrequency( &frequency );
+    QueryPerformanceCounter( &counter );
+
+    return counter.QuadPart * 1000000.0 / frequency.QuadPart; /* time in micros */
+}
+
+void g_usleep( unsigned int micros )
+{
+    Sleep( micros / 1000 );
+}
+
+static DWORD CALLBACK g_thread_wrapper( void *args )
+{
+    GThread *thread = args;
+    gpointer ret = thread->func( thread->data );
+    if (!InterlockedDecrement( &thread->ref )) free( thread );
+    return (UINT_PTR)ret;
+}
+
+GThread *g_thread_try_new( const char *name, GThreadFunc func, gpointer data, GError **err )
+{
+    GThread *thread;
+
+    if (!(thread = calloc( 1, sizeof(*thread) ))) return NULL;
+    thread->ref = 2;
+    thread->func = func;
+    thread->data = data;
+
+    if (!(thread->handle = CreateThread( NULL, 0, g_thread_wrapper, thread, 0, NULL )))
+    {
+        free( thread );
+        return NULL;
+    }
+
+    return thread;
+}
+
+void g_thread_unref( GThread *thread )
+{
+    CloseHandle( thread->handle );
+    if (!InterlockedDecrement( &thread->ref )) free( thread );
+}
+
+void g_thread_join( GThread *thread )
+{
+    WaitForSingleObject( thread->handle, INFINITE );
+    g_thread_unref( thread );
+}
+
+void g_clear_error( GError **error )
+{
+    *error = NULL;
+}
+
+int g_file_test( const char *path, int test )
+{
+    DWORD attrs = GetFileAttributesA( path );
+    if (test == G_FILE_TEST_EXISTS) return attrs != INVALID_FILE_ATTRIBUTES;
+    if (test == G_FILE_TEST_IS_REGULAR) return attrs == FILE_ATTRIBUTE_NORMAL;
+    return 0;
+}
diff --git a/libs/fluidsynth/glib.h b/libs/fluidsynth/glib.h
new file mode 100644
index 00000000000..722173d825a
--- /dev/null
+++ b/libs/fluidsynth/glib.h
@@ -0,0 +1,107 @@
+/*
+ * Copyright 2023 Rémi Bernon for CodeWeavers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <stddef.h>
+#include <stdarg.h>
+#include <stdio.h>
+
+#include <windef.h>
+#include <winbase.h>
+#include <winsock.h>
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <math.h>
+
+#define GLIB_CHECK_VERSION(x, y, z) ((x) < GLIB_MAJOR_VERSION || ((x) == GLIB_MAJOR_VERSION && (y) <= GLIB_MINOR_VERSION))
+#define GLIB_MAJOR_VERSION 2
+#define GLIB_MINOR_VERSION 54
+
+#define G_BYTE_ORDER 1234
+#define G_BIG_ENDIAN 4321
+#define GINT32_FROM_LE(val) ((INT32)(val))
+#define GINT16_FROM_LE(val) ((INT16)(val))
+
+#define G_UNLIKELY(expr) (expr)
+#define G_LIKELY(expr) (expr)
+
+#define g_return_val_if_fail( cond, val ) do { if (!(cond)) return (val); } while (0)
+
+typedef void *gpointer;
+typedef gpointer (*GThreadFunc)( gpointer data );
+
+typedef struct _stat64 GStatBuf;
+#define g_stat _stat64
+
+typedef struct
+{
+    const char *message;
+} GError;
+
+typedef struct
+{
+    LONG ref;
+    HANDLE handle;
+    GThreadFunc func;
+    gpointer data;
+} GThread;
+
+extern int g_vsnprintf( char *buffer, size_t size, const char *format, va_list args ) __WINE_CRT_PRINTF_ATTR(3, 0);
+extern int g_snprintf( char *buffer, size_t size, const char *format, ... ) __WINE_CRT_PRINTF_ATTR(3, 4);
+
+extern double g_get_monotonic_time(void);
+extern void g_usleep( unsigned int micros );
+
+extern GThread *g_thread_try_new( const char *name, GThreadFunc func, gpointer data, GError **err );
+extern void g_thread_unref( GThread *thread );
+extern void g_thread_join( GThread *thread );
+extern void g_clear_error( GError **error );
+
+#define G_FILE_TEST_EXISTS 1
+#define G_FILE_TEST_IS_REGULAR 2
+
+extern int g_file_test( const char *path, int test );
+
+#define g_new( type, count ) calloc( (count), sizeof(type) )
+static void g_free( void *ptr ) { free( ptr ); }
+
+typedef SRWLOCK GMutex;
+static void g_mutex_init( GMutex *mutex ) {}
+static void g_mutex_clear( GMutex *mutex ) {}
+static void g_mutex_lock( GMutex *mutex ) { AcquireSRWLockExclusive( mutex ); }
+static void g_mutex_unlock( GMutex *mutex ) { ReleaseSRWLockExclusive( mutex ); }
+
+typedef CRITICAL_SECTION GRecMutex;
+static void g_rec_mutex_init( GRecMutex *mutex ) { InitializeCriticalSection( mutex ); }
+static void g_rec_mutex_clear( GRecMutex *mutex ) { DeleteCriticalSection( mutex ); }
+static void g_rec_mutex_lock( GRecMutex *mutex ) { EnterCriticalSection( mutex ); }
+static void g_rec_mutex_unlock( GRecMutex *mutex ) { LeaveCriticalSection( mutex ); }
+
+typedef CONDITION_VARIABLE GCond;
+static void g_cond_init( GCond *cond ) {}
+static void g_cond_clear( GCond *cond ) {}
+static void g_cond_signal( GCond *cond ) { WakeConditionVariable( cond ); }
+static void g_cond_broadcast( GCond *cond ) { WakeAllConditionVariable( cond ); }
+static void g_cond_wait( GCond *cond, GMutex *mutex ) { SleepConditionVariableSRW( cond, mutex, INFINITE, 0 ); }
+
+static void g_atomic_int_inc( int *ptr ) { InterlockedIncrement( (LONG *)ptr ); }
+static int g_atomic_int_add( int *ptr, int val ) { return InterlockedAdd( (LONG *)ptr, val ) - 1; }
+static int g_atomic_int_get( int *ptr ) { return ReadAcquire( (LONG *)ptr ); }
+static void g_atomic_int_set( int *ptr, int val ) { InterlockedExchange( (LONG *)ptr, val ); }
+static int g_atomic_int_dec_and_test( int *ptr, int val ) { return !InterlockedAdd( (LONG *)ptr, -val ); }
+static int g_atomic_int_compare_and_exchange( int *ptr, int cmp, int val ) { return InterlockedCompareExchange( (LONG *)ptr, val, cmp ) == cmp; }
diff --git a/libs/fluidsynth/glib/gstdio.h b/libs/fluidsynth/glib/gstdio.h
new file mode 100644
index 00000000000..e69de29bb2d
diff --git a/libs/fluidsynth/include/fluidsynth.h b/libs/fluidsynth/include/fluidsynth.h
new file mode 100644
index 00000000000..ffe901a78a1
--- /dev/null
+++ b/libs/fluidsynth/include/fluidsynth.h
@@ -0,0 +1,121 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#ifndef _FLUIDSYNTH_H
+#define _FLUIDSYNTH_H
+
+#include <stdio.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define BUILD_SHARED_LIBS 0
+
+#if (BUILD_SHARED_LIBS == 0)
+    #define FLUIDSYNTH_API // building static lib? no visibility control then
+#elif defined(WIN32)
+    #if defined(FLUIDSYNTH_NOT_A_DLL)
+        #define FLUIDSYNTH_API
+    #elif defined(FLUIDSYNTH_DLL_EXPORTS)
+        #define FLUIDSYNTH_API __declspec(dllexport)
+    #else
+        #define FLUIDSYNTH_API __declspec(dllimport)
+    #endif
+
+#elif defined(MACOS9)
+#define FLUIDSYNTH_API __declspec(export)
+
+#elif defined(__OS2__)
+#define FLUIDSYNTH_API __declspec(dllexport)
+
+#elif defined(__GNUC__)
+#define FLUIDSYNTH_API __attribute__ ((visibility ("default")))
+
+#else
+#define FLUIDSYNTH_API
+
+#endif
+
+#if defined(__GNUC__) || defined(__clang__)
+#    define FLUID_DEPRECATED __attribute__((deprecated))
+#elif defined(_MSC_VER) && _MSC_VER > 1200
+#    define FLUID_DEPRECATED __declspec(deprecated)
+#else
+#    define FLUID_DEPRECATED
+#endif
+
+
+/**
+ * @file fluidsynth.h
+ * @brief FluidSynth is a real-time synthesizer designed for SoundFont(R) files.
+ *
+ * This is the header of the fluidsynth library and contains the
+ * synthesizer's public API.
+ *
+ * Depending on how you want to use or extend the synthesizer you
+ * will need different API functions. You probably do not need all
+ * of them. Here is what you might want to do:
+ *
+ * - Embedded synthesizer: create a new synthesizer and send MIDI
+ *   events to it. The sound goes directly to the audio output of
+ *   your system.
+ *
+ * - Plugin synthesizer: create a synthesizer and send MIDI events
+ *   but pull the audio back into your application.
+ *
+ * - SoundFont plugin: create a new type of "SoundFont" and allow
+ *   the synthesizer to load your type of SoundFonts.
+ *
+ * - MIDI input: Create a MIDI handler to read the MIDI input on your
+ *   machine and send the MIDI events directly to the synthesizer.
+ *
+ * - MIDI files: Open MIDI files and send the MIDI events to the
+ *   synthesizer.
+ *
+ * - Command lines: You can send textual commands to the synthesizer.
+ *
+ * SoundFont(R) is a registered trademark of E-mu Systems, Inc.
+ */
+
+#include "fluidsynth/types.h"
+#include "fluidsynth/settings.h"
+#include "fluidsynth/synth.h"
+#include "fluidsynth/shell.h"
+#include "fluidsynth/sfont.h"
+#include "fluidsynth/audio.h"
+#include "fluidsynth/event.h"
+#include "fluidsynth/midi.h"
+#include "fluidsynth/seq.h"
+#include "fluidsynth/seqbind.h"
+#include "fluidsynth/log.h"
+#include "fluidsynth/misc.h"
+#include "fluidsynth/mod.h"
+#include "fluidsynth/gen.h"
+#include "fluidsynth/voice.h"
+#include "fluidsynth/version.h"
+#include "fluidsynth/ladspa.h"
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _FLUIDSYNTH_H */
diff --git a/libs/fluidsynth/include/fluidsynth/audio.h b/libs/fluidsynth/include/fluidsynth/audio.h
new file mode 100644
index 00000000000..1c12ff792cc
--- /dev/null
+++ b/libs/fluidsynth/include/fluidsynth/audio.h
@@ -0,0 +1,155 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#ifndef _FLUIDSYNTH_AUDIO_H
+#define _FLUIDSYNTH_AUDIO_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup audio_output Audio Output
+ *
+ * Functions for managing audio drivers and file renderers.
+ *
+ * The file renderer is used for fast rendering of MIDI files to
+ * audio files. The audio drivers are a high-level interface to
+ * connect the synthesizer with external audio sinks or to render
+ * real-time audio to files.
+ */
+
+/**
+ * @defgroup audio_driver Audio Driver
+ * @ingroup audio_output
+ *
+ * Functions for managing audio drivers.
+ *
+ * Defines functions for creating audio driver output.  Use
+ * new_fluid_audio_driver() to create a new audio driver for a given synth
+ * and configuration settings.
+ *
+ * The function new_fluid_audio_driver2() can be
+ * used if custom audio processing is desired before the audio is sent to the
+ * audio driver (although it is not as efficient).
+ *
+ * @sa @ref CreatingAudioDriver
+ *
+ * @{
+ */
+
+/**
+ * Callback function type used with new_fluid_audio_driver2() to allow for
+ * custom user audio processing before the audio is sent to the driver.
+ *
+ * @param data The user data parameter as passed to new_fluid_audio_driver2().
+ * @param len Count of audio frames to synthesize.
+ * @param nfx Count of arrays in \c fx.
+ * @param fx Array of buffers to store effects audio to. Buffers may alias with buffers of \c out.
+ * @param nout Count of arrays in \c out.
+ * @param out Array of buffers to store (dry) audio to. Buffers may alias with buffers of \c fx.
+ * @return Should return #FLUID_OK on success, #FLUID_FAILED if an error occurred.
+ *
+ * This function is responsible for rendering audio to the buffers.
+ * The buffers passed to this function are allocated and owned by the respective
+ * audio driver and are only valid during that specific call (do not cache them).
+ * The buffers have already been zeroed-out.
+ * For further details please refer to fluid_synth_process().
+ *
+ * @parblock
+ * @note Whereas fluid_synth_process() allows aliasing buffers, there is the guarantee that @p out
+ * and @p fx buffers provided by fluidsynth's audio drivers never alias. This prevents downstream
+ * applications from e.g. applying a custom effect accidentally to the same buffer multiple times.
+ * @endparblock
+ *
+ * @parblock
+ * @note Also note that the Jack driver is currently the only driver that has dedicated @p fx buffers
+ * (but only if \setting{audio_jack_multi} is true). All other drivers do not provide @p fx buffers.
+ * In this case, users are encouraged to mix the effects into the provided dry buffers when calling
+ * fluid_synth_process().
+ * @code{.cpp}
+int myCallback(void *, int len, int nfx, float *fx[], int nout, float *out[])
+{
+    int ret;
+    if(nfx == 0)
+    {
+        float *fxb[4] = {out[0], out[1], out[0], out[1]};
+        ret = fluid_synth_process(synth, len, sizeof(fxb) / sizeof(fxb[0]), fxb, nout, out);
+    }
+    else
+    {
+        ret = fluid_synth_process(synth, len, nfx, fx, nout, out);
+    }
+    // ... client-code ...
+    return ret;
+}
+ * @endcode
+ * For other possible use-cases refer to \ref fluidsynth_process.c .
+ * @endparblock
+ */
+typedef int (*fluid_audio_func_t)(void *data, int len,
+                                  int nfx, float *fx[],
+                                  int nout, float *out[]);
+
+/** @startlifecycle{Audio Driver} */
+FLUIDSYNTH_API fluid_audio_driver_t *new_fluid_audio_driver(fluid_settings_t *settings,
+        fluid_synth_t *synth);
+
+FLUIDSYNTH_API fluid_audio_driver_t *new_fluid_audio_driver2(fluid_settings_t *settings,
+        fluid_audio_func_t func,
+        void *data);
+
+FLUIDSYNTH_API void delete_fluid_audio_driver(fluid_audio_driver_t *driver);
+/** @endlifecycle */
+
+FLUIDSYNTH_API int fluid_audio_driver_register(const char **adrivers);
+/** @} */
+
+/**
+ * @defgroup file_renderer File Renderer
+ * @ingroup audio_output
+ *
+ * Functions for managing file renderers and triggering the rendering.
+ *
+ * The file renderer is only used to render a MIDI file to audio as fast
+ * as possible. Please see \ref FileRenderer for a full example.
+ *
+ * If you are looking for a way to write audio generated
+ * from real-time events (for example from an external sequencer or a MIDI controller) to a file,
+ * please have a look at the \c file \ref audio_driver instead.
+ *
+ *
+ * @{
+ */
+
+/** @startlifecycle{File Renderer} */
+FLUIDSYNTH_API fluid_file_renderer_t *new_fluid_file_renderer(fluid_synth_t *synth);
+FLUIDSYNTH_API void delete_fluid_file_renderer(fluid_file_renderer_t *dev);
+/** @endlifecycle */
+
+FLUIDSYNTH_API int fluid_file_renderer_process_block(fluid_file_renderer_t *dev);
+FLUIDSYNTH_API int fluid_file_set_encoding_quality(fluid_file_renderer_t *dev, double q);
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _FLUIDSYNTH_AUDIO_H */
diff --git a/libs/fluidsynth/include/fluidsynth/event.h b/libs/fluidsynth/include/fluidsynth/event.h
new file mode 100644
index 00000000000..dbc29c7e8aa
--- /dev/null
+++ b/libs/fluidsynth/include/fluidsynth/event.h
@@ -0,0 +1,143 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#ifndef _FLUIDSYNTH_EVENT_H
+#define _FLUIDSYNTH_EVENT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup sequencer_events Sequencer Events
+ * @ingroup sequencer
+ *
+ * Create, modify, query and destroy sequencer events.
+ *
+ * @{
+ */
+
+/**
+ * Sequencer event type enumeration.
+ */
+enum fluid_seq_event_type
+{
+    FLUID_SEQ_NOTE = 0,		/**< Note event with duration */
+    FLUID_SEQ_NOTEON,		/**< Note on event */
+    FLUID_SEQ_NOTEOFF,		/**< Note off event */
+    FLUID_SEQ_ALLSOUNDSOFF,	/**< All sounds off event */
+    FLUID_SEQ_ALLNOTESOFF,	/**< All notes off event */
+    FLUID_SEQ_BANKSELECT,		/**< Bank select message */
+    FLUID_SEQ_PROGRAMCHANGE,	/**< Program change message */
+    FLUID_SEQ_PROGRAMSELECT,	/**< Program select message */
+    FLUID_SEQ_PITCHBEND,		/**< Pitch bend message */
+    FLUID_SEQ_PITCHWHEELSENS,	/**< Pitch wheel sensitivity set message @since 1.1.0 was misspelled previously */
+    FLUID_SEQ_MODULATION,		/**< Modulation controller event */
+    FLUID_SEQ_SUSTAIN,		/**< Sustain controller event */
+    FLUID_SEQ_CONTROLCHANGE,	/**< MIDI control change event */
+    FLUID_SEQ_PAN,		/**< Stereo pan set event */
+    FLUID_SEQ_VOLUME,		/**< Volume set event */
+    FLUID_SEQ_REVERBSEND,		/**< Reverb send set event */
+    FLUID_SEQ_CHORUSSEND,		/**< Chorus send set event */
+    FLUID_SEQ_TIMER,		/**< Timer event (useful for giving a callback at a certain time) */
+    FLUID_SEQ_CHANNELPRESSURE,    /**< Channel aftertouch event @since 1.1.0 */
+    FLUID_SEQ_KEYPRESSURE,        /**< Polyphonic aftertouch event @since 2.0.0 */
+    FLUID_SEQ_SYSTEMRESET,        /**< System reset event @since 1.1.0 */
+    FLUID_SEQ_UNREGISTERING,      /**< Called when a sequencer client is being unregistered. @since 1.1.0 */
+    FLUID_SEQ_SCALE,              /**< Sets a new time scale for the sequencer @since 2.2.0 */
+    FLUID_SEQ_LASTEVENT		/**< @internal Defines the count of events enums @warning This symbol 
+                              is not part of the public API and ABI stability guarantee and 
+                              may change at any time! */
+};
+
+/* Event alloc/free */
+/** @startlifecycle{Sequencer Event} */
+FLUIDSYNTH_API fluid_event_t *new_fluid_event(void);
+FLUIDSYNTH_API void delete_fluid_event(fluid_event_t *evt);
+/** @endlifecycle */
+
+/* Initializing events */
+FLUIDSYNTH_API void fluid_event_set_source(fluid_event_t *evt, fluid_seq_id_t src);
+FLUIDSYNTH_API void fluid_event_set_dest(fluid_event_t *evt, fluid_seq_id_t dest);
+
+/* Timer events */
+FLUIDSYNTH_API void fluid_event_timer(fluid_event_t *evt, void *data);
+
+/* Note events */
+FLUIDSYNTH_API void fluid_event_note(fluid_event_t *evt, int channel,
+                                     short key, short vel,
+                                     unsigned int duration);
+
+FLUIDSYNTH_API void fluid_event_noteon(fluid_event_t *evt, int channel, short key, short vel);
+FLUIDSYNTH_API void fluid_event_noteoff(fluid_event_t *evt, int channel, short key);
+FLUIDSYNTH_API void fluid_event_all_sounds_off(fluid_event_t *evt, int channel);
+FLUIDSYNTH_API void fluid_event_all_notes_off(fluid_event_t *evt, int channel);
+
+/* Instrument selection */
+FLUIDSYNTH_API void fluid_event_bank_select(fluid_event_t *evt, int channel, short bank_num);
+FLUIDSYNTH_API void fluid_event_program_change(fluid_event_t *evt, int channel, int preset_num);
+FLUIDSYNTH_API void fluid_event_program_select(fluid_event_t *evt, int channel, unsigned int sfont_id, short bank_num, short preset_num);
+
+/* Real-time generic instrument controllers */
+FLUIDSYNTH_API
+void fluid_event_control_change(fluid_event_t *evt, int channel, short control, int val);
+
+/* Real-time instrument controllers shortcuts */
+FLUIDSYNTH_API void fluid_event_pitch_bend(fluid_event_t *evt, int channel, int val);
+FLUIDSYNTH_API void fluid_event_pitch_wheelsens(fluid_event_t *evt, int channel, int val);
+FLUIDSYNTH_API void fluid_event_modulation(fluid_event_t *evt, int channel, int val);
+FLUIDSYNTH_API void fluid_event_sustain(fluid_event_t *evt, int channel, int val);
+FLUIDSYNTH_API void fluid_event_pan(fluid_event_t *evt, int channel, int val);
+FLUIDSYNTH_API void fluid_event_volume(fluid_event_t *evt, int channel, int val);
+FLUIDSYNTH_API void fluid_event_reverb_send(fluid_event_t *evt, int channel, int val);
+FLUIDSYNTH_API void fluid_event_chorus_send(fluid_event_t *evt, int channel, int val);
+
+FLUIDSYNTH_API void fluid_event_key_pressure(fluid_event_t *evt, int channel, short key, int val);
+FLUIDSYNTH_API void fluid_event_channel_pressure(fluid_event_t *evt, int channel, int val);
+FLUIDSYNTH_API void fluid_event_system_reset(fluid_event_t *evt);
+
+/* Only when unregistering clients */
+FLUIDSYNTH_API void fluid_event_unregistering(fluid_event_t *evt);
+
+FLUIDSYNTH_API void fluid_event_scale(fluid_event_t *evt, double new_scale);
+FLUIDSYNTH_API int fluid_event_from_midi_event(fluid_event_t *, const fluid_midi_event_t *);
+
+/* Accessing event data */
+FLUIDSYNTH_API int fluid_event_get_type(fluid_event_t *evt);
+FLUIDSYNTH_API fluid_seq_id_t fluid_event_get_source(fluid_event_t *evt);
+FLUIDSYNTH_API fluid_seq_id_t fluid_event_get_dest(fluid_event_t *evt);
+FLUIDSYNTH_API int fluid_event_get_channel(fluid_event_t *evt);
+FLUIDSYNTH_API short fluid_event_get_key(fluid_event_t *evt);
+FLUIDSYNTH_API short fluid_event_get_velocity(fluid_event_t *evt);
+FLUIDSYNTH_API short fluid_event_get_control(fluid_event_t *evt);
+FLUIDSYNTH_API int fluid_event_get_value(fluid_event_t *evt);
+FLUIDSYNTH_API int fluid_event_get_program(fluid_event_t *evt);
+FLUIDSYNTH_API void *fluid_event_get_data(fluid_event_t *evt);
+FLUIDSYNTH_API unsigned int fluid_event_get_duration(fluid_event_t *evt);
+FLUIDSYNTH_API short fluid_event_get_bank(fluid_event_t *evt);
+FLUIDSYNTH_API int fluid_event_get_pitch(fluid_event_t *evt);
+FLUIDSYNTH_API double fluid_event_get_scale(fluid_event_t *evt);
+FLUIDSYNTH_API unsigned int fluid_event_get_sfont_id(fluid_event_t *evt);
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* _FLUIDSYNTH_EVENT_H */
diff --git a/libs/fluidsynth/include/fluidsynth/gen.h b/libs/fluidsynth/include/fluidsynth/gen.h
new file mode 100644
index 00000000000..a04c36294a3
--- /dev/null
+++ b/libs/fluidsynth/include/fluidsynth/gen.h
@@ -0,0 +1,134 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#ifndef _FLUIDSYNTH_GEN_H
+#define _FLUIDSYNTH_GEN_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup generators SoundFont Generators
+ * @ingroup soundfonts
+ *
+ * Functions and defines for SoundFont generator effects.
+ *
+ * @{
+ */
+
+/**
+ * Generator (effect) numbers (Soundfont 2.01 specifications section 8.1.3)
+ */
+enum fluid_gen_type
+{
+    GEN_STARTADDROFS,		/**< Sample start address offset (0-32767) */
+    GEN_ENDADDROFS,		/**< Sample end address offset (-32767-0) */
+    GEN_STARTLOOPADDROFS,		/**< Sample loop start address offset (-32767-32767) */
+    GEN_ENDLOOPADDROFS,		/**< Sample loop end address offset (-32767-32767) */
+    GEN_STARTADDRCOARSEOFS,	/**< Sample start address coarse offset (X 32768) */
+    GEN_MODLFOTOPITCH,		/**< Modulation LFO to pitch */
+    GEN_VIBLFOTOPITCH,		/**< Vibrato LFO to pitch */
+    GEN_MODENVTOPITCH,		/**< Modulation envelope to pitch */
+    GEN_FILTERFC,			/**< Filter cutoff */
+    GEN_FILTERQ,			/**< Filter Q */
+    GEN_MODLFOTOFILTERFC,		/**< Modulation LFO to filter cutoff */
+    GEN_MODENVTOFILTERFC,		/**< Modulation envelope to filter cutoff */
+    GEN_ENDADDRCOARSEOFS,		/**< Sample end address coarse offset (X 32768) */
+    GEN_MODLFOTOVOL,		/**< Modulation LFO to volume */
+    GEN_UNUSED1,			/**< Unused */
+    GEN_CHORUSSEND,		/**< Chorus send amount */
+    GEN_REVERBSEND,		/**< Reverb send amount */
+    GEN_PAN,			/**< Stereo panning */
+    GEN_UNUSED2,			/**< Unused */
+    GEN_UNUSED3,			/**< Unused */
+    GEN_UNUSED4,			/**< Unused */
+    GEN_MODLFODELAY,		/**< Modulation LFO delay */
+    GEN_MODLFOFREQ,		/**< Modulation LFO frequency */
+    GEN_VIBLFODELAY,		/**< Vibrato LFO delay */
+    GEN_VIBLFOFREQ,		/**< Vibrato LFO frequency */
+    GEN_MODENVDELAY,		/**< Modulation envelope delay */
+    GEN_MODENVATTACK,		/**< Modulation envelope attack */
+    GEN_MODENVHOLD,		/**< Modulation envelope hold */
+    GEN_MODENVDECAY,		/**< Modulation envelope decay */
+    GEN_MODENVSUSTAIN,		/**< Modulation envelope sustain */
+    GEN_MODENVRELEASE,		/**< Modulation envelope release */
+    GEN_KEYTOMODENVHOLD,		/**< Key to modulation envelope hold */
+    GEN_KEYTOMODENVDECAY,		/**< Key to modulation envelope decay */
+    GEN_VOLENVDELAY,		/**< Volume envelope delay */
+    GEN_VOLENVATTACK,		/**< Volume envelope attack */
+    GEN_VOLENVHOLD,		/**< Volume envelope hold */
+    GEN_VOLENVDECAY,		/**< Volume envelope decay */
+    GEN_VOLENVSUSTAIN,		/**< Volume envelope sustain */
+    GEN_VOLENVRELEASE,		/**< Volume envelope release */
+    GEN_KEYTOVOLENVHOLD,		/**< Key to volume envelope hold */
+    GEN_KEYTOVOLENVDECAY,		/**< Key to volume envelope decay */
+    GEN_INSTRUMENT,		/**< Instrument ID (shouldn't be set by user) */
+    GEN_RESERVED1,		/**< Reserved */
+    GEN_KEYRANGE,			/**< MIDI note range */
+    GEN_VELRANGE,			/**< MIDI velocity range */
+    GEN_STARTLOOPADDRCOARSEOFS,	/**< Sample start loop address coarse offset (X 32768) */
+    GEN_KEYNUM,			/**< Fixed MIDI note number */
+    GEN_VELOCITY,			/**< Fixed MIDI velocity value */
+    GEN_ATTENUATION,		/**< Initial volume attenuation */
+    GEN_RESERVED2,		/**< Reserved */
+    GEN_ENDLOOPADDRCOARSEOFS,	/**< Sample end loop address coarse offset (X 32768) */
+    GEN_COARSETUNE,		/**< Coarse tuning */
+    GEN_FINETUNE,			/**< Fine tuning */
+    GEN_SAMPLEID,			/**< Sample ID (shouldn't be set by user) */
+    GEN_SAMPLEMODE,		/**< Sample mode flags */
+    GEN_RESERVED3,		/**< Reserved */
+    GEN_SCALETUNE,		/**< Scale tuning */
+    GEN_EXCLUSIVECLASS,		/**< Exclusive class number */
+    GEN_OVERRIDEROOTKEY,		/**< Sample root note override */
+
+    /**
+     * Initial Pitch
+     *
+     * @note This is not "standard" SoundFont generator, because it is not
+     * mentioned in the list of generators in the SF2 specifications.
+     * It is used by FluidSynth internally to compute the nominal pitch of
+     * a note on note-on event. By nature it shouldn't be allowed to be modulated,
+     * however the specification defines a default modulator having "Initial Pitch"
+     * as destination (cf. SF2.01 page 57 section 8.4.10 MIDI Pitch Wheel to Initial Pitch).
+     * Thus it is impossible to cancel this default modulator, which would be required
+     * to let the MIDI Pitch Wheel controller modulate a different generator.
+     * In order to provide this flexibility, FluidSynth >= 2.1.0 uses a default modulator
+     * "Pitch Wheel to Fine Tune", rather than Initial Pitch. The same "compromise" can
+     * be found on the Audigy 2 ZS for instance.
+     */
+    GEN_PITCH,
+
+    GEN_CUSTOM_BALANCE,          /**< Balance @note Not a real SoundFont generator */
+    /* non-standard generator for an additional custom high- or low-pass filter */
+    GEN_CUSTOM_FILTERFC,		/**< Custom filter cutoff frequency */
+    GEN_CUSTOM_FILTERQ,		/**< Custom filter Q */
+
+    GEN_LAST			/**< @internal Value defines the count of generators (#fluid_gen_type)
+                          @warning This symbol is not part of the public API and ABI
+                          stability guarantee and may change at any time! */
+};
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* _FLUIDSYNTH_GEN_H */
+
diff --git a/libs/fluidsynth/include/fluidsynth/ladspa.h b/libs/fluidsynth/include/fluidsynth/ladspa.h
new file mode 100644
index 00000000000..ae44f2b6d4b
--- /dev/null
+++ b/libs/fluidsynth/include/fluidsynth/ladspa.h
@@ -0,0 +1,69 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#ifndef _FLUIDSYNTH_LADSPA_H
+#define _FLUIDSYNTH_LADSPA_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup ladspa Effect - LADSPA
+ * @ingroup synth
+ *
+ * Functions for configuring the LADSPA effects unit
+ *
+ * This header defines useful functions for programmatically manipulating the ladspa
+ * effects unit of the synth that can be retrieved via fluid_synth_get_ladspa_fx().
+ *
+ * Using any of those functions requires fluidsynth to be compiled with LADSPA support.
+ * Else all of those functions are useless dummies.
+ *
+ * @{
+ */
+FLUIDSYNTH_API int fluid_ladspa_is_active(fluid_ladspa_fx_t *fx);
+FLUIDSYNTH_API int fluid_ladspa_activate(fluid_ladspa_fx_t *fx);
+FLUIDSYNTH_API int fluid_ladspa_deactivate(fluid_ladspa_fx_t *fx);
+FLUIDSYNTH_API int fluid_ladspa_reset(fluid_ladspa_fx_t *fx);
+FLUIDSYNTH_API int fluid_ladspa_check(fluid_ladspa_fx_t *fx, char *err, int err_size);
+
+FLUIDSYNTH_API int fluid_ladspa_host_port_exists(fluid_ladspa_fx_t *fx, const char *name);
+
+FLUIDSYNTH_API int fluid_ladspa_add_buffer(fluid_ladspa_fx_t *fx, const char *name);
+FLUIDSYNTH_API int fluid_ladspa_buffer_exists(fluid_ladspa_fx_t *fx, const char *name);
+
+FLUIDSYNTH_API int fluid_ladspa_add_effect(fluid_ladspa_fx_t *fx, const char *effect_name,
+        const char *lib_name, const char *plugin_name);
+FLUIDSYNTH_API int fluid_ladspa_effect_can_mix(fluid_ladspa_fx_t *fx, const char *name);
+FLUIDSYNTH_API int fluid_ladspa_effect_set_mix(fluid_ladspa_fx_t *fx, const char *name, int mix, float gain);
+FLUIDSYNTH_API int fluid_ladspa_effect_port_exists(fluid_ladspa_fx_t *fx, const char *effect_name, const char *port_name);
+FLUIDSYNTH_API int fluid_ladspa_effect_set_control(fluid_ladspa_fx_t *fx, const char *effect_name,
+        const char *port_name, float val);
+FLUIDSYNTH_API int fluid_ladspa_effect_link(fluid_ladspa_fx_t *fx, const char *effect_name,
+        const char *port_name, const char *name);
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _FLUIDSYNTH_LADSPA_H */
+
diff --git a/libs/fluidsynth/include/fluidsynth/log.h b/libs/fluidsynth/include/fluidsynth/log.h
new file mode 100644
index 00000000000..ab5911e011c
--- /dev/null
+++ b/libs/fluidsynth/include/fluidsynth/log.h
@@ -0,0 +1,97 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#ifndef _FLUIDSYNTH_LOG_H
+#define _FLUIDSYNTH_LOG_H
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/**
+ * @defgroup logging Logging
+ *
+ * Logging interface
+ *
+ * The default logging function of the fluidsynth prints its messages to the
+ * stderr. The synthesizer uses five level of messages: #FLUID_PANIC,
+ * #FLUID_ERR, #FLUID_WARN, #FLUID_INFO, and #FLUID_DBG.
+ *
+ * A client application can install a new log function to handle the messages
+ * differently. In the following example, the application sets a callback
+ * function to display #FLUID_PANIC messages in a dialog, and ignores all other
+ * messages by setting the log function to NULL:
+ *
+ * @code
+ * fluid_set_log_function(FLUID_PANIC, show_dialog, (void*) root_window);
+ * fluid_set_log_function(FLUID_ERR, NULL, NULL);
+ * fluid_set_log_function(FLUID_WARN, NULL, NULL);
+ * fluid_set_log_function(FLUID_DBG, NULL, NULL);
+ * @endcode
+ *
+ * @note The logging configuration is global and not tied to a specific
+ * synthesizer instance. That means that all synthesizer instances created in
+ * the same process share the same logging configuration.
+ *
+ * @{
+ */
+
+/**
+ * FluidSynth log levels.
+ */
+enum fluid_log_level
+{
+    FLUID_PANIC,   /**< The synth can't function correctly any more */
+    FLUID_ERR,     /**< Serious error occurred */
+    FLUID_WARN,    /**< Warning */
+    FLUID_INFO,    /**< Verbose informational messages */
+    FLUID_DBG,     /**< Debugging messages */
+    LAST_LOG_LEVEL /**< @internal This symbol is not part of the public API and ABI
+                     stability guarantee and may change at any time! */
+};
+
+/**
+ * Log function handler callback type used by fluid_set_log_function().
+ *
+ * @param level Log level (#fluid_log_level)
+ * @param message Log message text
+ * @param data User data pointer supplied to fluid_set_log_function().
+ */
+typedef void (*fluid_log_function_t)(int level, const char *message, void *data);
+
+FLUIDSYNTH_API
+fluid_log_function_t fluid_set_log_function(int level, fluid_log_function_t fun, void *data);
+
+FLUIDSYNTH_API void fluid_default_log_function(int level, const char *message, void *data);
+
+FLUIDSYNTH_API int fluid_log(int level, const char *fmt, ...)
+#if defined(__clang__) || defined(__GNUC__) || defined(__GNUG__)
+__attribute__ ((format (printf, 2, 3)))
+#endif
+;
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _FLUIDSYNTH_LOG_H */
diff --git a/libs/fluidsynth/include/fluidsynth/midi.h b/libs/fluidsynth/include/fluidsynth/midi.h
new file mode 100644
index 00000000000..044eeebd9a7
--- /dev/null
+++ b/libs/fluidsynth/include/fluidsynth/midi.h
@@ -0,0 +1,295 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#ifndef _FLUIDSYNTH_MIDI_H
+#define _FLUIDSYNTH_MIDI_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup midi_input MIDI Input
+ *
+ * MIDI Input Subsystem
+ *
+ * There are multiple ways to send MIDI events to the synthesizer. They can come
+ * from MIDI files, from external MIDI sequencers or raw MIDI event sources,
+ * can be modified via MIDI routers and also generated manually.
+ *
+ * The interface connecting all sources and sinks of MIDI events in libfluidsynth
+ * is \ref handle_midi_event_func_t.
+ *
+ * @{
+ */
+
+/**
+ * Generic callback function for MIDI event handler.
+ *
+ * @param data User defined data pointer
+ * @param event The MIDI event
+ * @return Should return #FLUID_OK on success, #FLUID_FAILED otherwise
+ *
+ * This callback is used to pass MIDI events
+ * - from \ref midi_player, \ref midi_router or \ref midi_driver
+ * - to  \ref midi_router via fluid_midi_router_handle_midi_event()
+ * - or to \ref synth via fluid_synth_handle_midi_event().
+ *
+ * Additionally, there is a translation layer to pass MIDI events to
+ * a \ref sequencer via fluid_sequencer_add_midi_event_to_buffer().
+ */
+typedef int (*handle_midi_event_func_t)(void *data, fluid_midi_event_t *event);
+
+/**
+ * Generic callback function fired once by MIDI tick change.
+ *
+ * @param data User defined data pointer
+ * @param tick The current (zero-based) tick, which triggered the callback
+ * @return Should return #FLUID_OK on success, #FLUID_FAILED otherwise
+ *
+ * This callback is fired at a constant rate depending on the current BPM and PPQ.
+ * e.g. for PPQ = 192 and BPM = 140 the callback is fired 192 * 140 times per minute (448/sec).
+ *
+ * It can be used to sync external elements with the beat,
+ * or stop / loop the song on a given tick.
+ * Ticks being BPM-dependent, you can manipulate values such as bars or beats,
+ * without having to care about BPM.
+ *
+ * For example, this callback loops the song whenever it reaches the 5th bar :
+ *
+ * @code{.cpp}
+int handle_tick(void *data, int tick)
+{
+    fluid_player_t *player = (fluid_player_t *)data;
+    int ppq = 192; // From MIDI header
+    int beatsPerBar = 4; // From the song's time signature
+    int loopBar = 5;
+    int loopTick = (loopBar - 1) * ppq * beatsPerBar;
+
+    if (tick == loopTick)
+    {
+        return fluid_player_seek(player, 0);
+    }
+
+    return FLUID_OK;
+}
+ * @endcode
+ */
+typedef int (*handle_midi_tick_func_t)(void *data, int tick);
+/** @} */
+
+/**
+ * @defgroup midi_events MIDI Events
+ * @ingroup midi_input
+ *
+ * Functions to create, modify, query and delete MIDI events.
+ *
+ * These functions are intended to be used in MIDI routers and other filtering
+ * and processing functions in the MIDI event path. If you want to simply
+ * send MIDI messages to the synthesizer, you can use the more convenient
+ * \ref midi_messages interface.
+ *
+ * @{
+ */
+/** @startlifecycle{MIDI Event} */
+FLUIDSYNTH_API fluid_midi_event_t *new_fluid_midi_event(void);
+FLUIDSYNTH_API void delete_fluid_midi_event(fluid_midi_event_t *event);
+/** @endlifecycle */
+
+FLUIDSYNTH_API int fluid_midi_event_set_type(fluid_midi_event_t *evt, int type);
+FLUIDSYNTH_API int fluid_midi_event_get_type(const fluid_midi_event_t *evt);
+FLUIDSYNTH_API int fluid_midi_event_set_channel(fluid_midi_event_t *evt, int chan);
+FLUIDSYNTH_API int fluid_midi_event_get_channel(const fluid_midi_event_t *evt);
+FLUIDSYNTH_API int fluid_midi_event_get_key(const fluid_midi_event_t *evt);
+FLUIDSYNTH_API int fluid_midi_event_set_key(fluid_midi_event_t *evt, int key);
+FLUIDSYNTH_API int fluid_midi_event_get_velocity(const fluid_midi_event_t *evt);
+FLUIDSYNTH_API int fluid_midi_event_set_velocity(fluid_midi_event_t *evt, int vel);
+FLUIDSYNTH_API int fluid_midi_event_get_control(const fluid_midi_event_t *evt);
+FLUIDSYNTH_API int fluid_midi_event_set_control(fluid_midi_event_t *evt, int ctrl);
+FLUIDSYNTH_API int fluid_midi_event_get_value(const fluid_midi_event_t *evt);
+FLUIDSYNTH_API int fluid_midi_event_set_value(fluid_midi_event_t *evt, int val);
+FLUIDSYNTH_API int fluid_midi_event_get_program(const fluid_midi_event_t *evt);
+FLUIDSYNTH_API int fluid_midi_event_set_program(fluid_midi_event_t *evt, int val);
+FLUIDSYNTH_API int fluid_midi_event_get_pitch(const fluid_midi_event_t *evt);
+FLUIDSYNTH_API int fluid_midi_event_set_pitch(fluid_midi_event_t *evt, int val);
+FLUIDSYNTH_API int fluid_midi_event_set_sysex(fluid_midi_event_t *evt, void *data,
+        int size, int dynamic);
+FLUIDSYNTH_API int fluid_midi_event_set_text(fluid_midi_event_t *evt,
+        void *data, int size, int dynamic);
+FLUIDSYNTH_API int fluid_midi_event_get_text(fluid_midi_event_t *evt,
+        void **data, int *size);
+FLUIDSYNTH_API int fluid_midi_event_set_lyrics(fluid_midi_event_t *evt,
+        void *data, int size, int dynamic);
+FLUIDSYNTH_API int fluid_midi_event_get_lyrics(fluid_midi_event_t *evt,
+        void **data, int *size);
+/** @} */
+
+/**
+ * @defgroup midi_router MIDI Router
+ * @ingroup midi_input
+ *
+ * Rule based transformation and filtering of MIDI events.
+ *
+ * @{
+ */
+
+/**
+ * MIDI router rule type.
+ *
+ * @since 1.1.0
+ */
+typedef enum
+{
+    FLUID_MIDI_ROUTER_RULE_NOTE,                  /**< MIDI note rule */
+    FLUID_MIDI_ROUTER_RULE_CC,                    /**< MIDI controller rule */
+    FLUID_MIDI_ROUTER_RULE_PROG_CHANGE,           /**< MIDI program change rule */
+    FLUID_MIDI_ROUTER_RULE_PITCH_BEND,            /**< MIDI pitch bend rule */
+    FLUID_MIDI_ROUTER_RULE_CHANNEL_PRESSURE,      /**< MIDI channel pressure rule */
+    FLUID_MIDI_ROUTER_RULE_KEY_PRESSURE,          /**< MIDI key pressure rule */
+    FLUID_MIDI_ROUTER_RULE_COUNT                  /**< @internal Total count of rule types. This symbol
+                                                    is not part of the public API and ABI stability
+                                                    guarantee and may change at any time!*/
+} fluid_midi_router_rule_type;
+
+
+/** @startlifecycle{MIDI Router} */
+FLUIDSYNTH_API fluid_midi_router_t *new_fluid_midi_router(fluid_settings_t *settings,
+        handle_midi_event_func_t handler,
+        void *event_handler_data);
+FLUIDSYNTH_API void delete_fluid_midi_router(fluid_midi_router_t *handler);
+/** @endlifecycle */
+
+FLUIDSYNTH_API int fluid_midi_router_set_default_rules(fluid_midi_router_t *router);
+FLUIDSYNTH_API int fluid_midi_router_clear_rules(fluid_midi_router_t *router);
+FLUIDSYNTH_API int fluid_midi_router_add_rule(fluid_midi_router_t *router,
+        fluid_midi_router_rule_t *rule, int type);
+
+
+/** @startlifecycle{MIDI Router Rule} */
+FLUIDSYNTH_API fluid_midi_router_rule_t *new_fluid_midi_router_rule(void);
+FLUIDSYNTH_API void delete_fluid_midi_router_rule(fluid_midi_router_rule_t *rule);
+/** @endlifecycle */
+
+FLUIDSYNTH_API void fluid_midi_router_rule_set_chan(fluid_midi_router_rule_t *rule,
+        int min, int max, float mul, int add);
+FLUIDSYNTH_API void fluid_midi_router_rule_set_param1(fluid_midi_router_rule_t *rule,
+        int min, int max, float mul, int add);
+FLUIDSYNTH_API void fluid_midi_router_rule_set_param2(fluid_midi_router_rule_t *rule,
+        int min, int max, float mul, int add);
+FLUIDSYNTH_API int fluid_midi_router_handle_midi_event(void *data, fluid_midi_event_t *event);
+FLUIDSYNTH_API int fluid_midi_dump_prerouter(void *data, fluid_midi_event_t *event);
+FLUIDSYNTH_API int fluid_midi_dump_postrouter(void *data, fluid_midi_event_t *event);
+/** @} */
+
+/**
+ * @defgroup midi_driver MIDI Driver
+ * @ingroup midi_input
+ *
+ * Functions for managing MIDI drivers.
+ *
+ * The available MIDI drivers depend on your platform. See \ref settings_midi for all
+ * available configuration options.
+ *
+ * To create a MIDI driver, you need to specify a source for the MIDI events to be
+ * forwarded to via the \ref fluid_midi_event_t callback. Normally this will be
+ * either a \ref midi_router via fluid_midi_router_handle_midi_event() or the synthesizer
+ * via fluid_synth_handle_midi_event().
+ *
+ * But you can also write your own handler function that preprocesses the events and
+ * forwards them on to the router or synthesizer instead.
+ *
+ * @{
+ */
+
+/** @startlifecycle{MIDI Driver} */
+FLUIDSYNTH_API
+fluid_midi_driver_t *new_fluid_midi_driver(fluid_settings_t *settings,
+        handle_midi_event_func_t handler,
+        void *event_handler_data);
+
+FLUIDSYNTH_API void delete_fluid_midi_driver(fluid_midi_driver_t *driver);
+/** @endlifecycle */
+
+/** @} */
+
+/**
+ * @defgroup midi_player MIDI File Player
+ * @ingroup midi_input
+ *
+ * Parse standard MIDI files and emit MIDI events.
+ *
+ * @{
+ */
+
+/**
+ * MIDI File Player status enum.
+ * @since 1.1.0
+ */
+enum fluid_player_status
+{
+    FLUID_PLAYER_READY,           /**< Player is ready */
+    FLUID_PLAYER_PLAYING,         /**< Player is currently playing */
+    FLUID_PLAYER_STOPPING,        /**< Player is stopping, but hasn't finished yet (currently unused) */
+    FLUID_PLAYER_DONE             /**< Player is finished playing */
+};
+
+/**
+ * MIDI File Player tempo enum.
+ * @since 2.2.0
+ */
+enum fluid_player_set_tempo_type
+{
+    FLUID_PLAYER_TEMPO_INTERNAL,      /**< Use midi file tempo set in midi file (120 bpm by default). Multiplied by a factor */
+    FLUID_PLAYER_TEMPO_EXTERNAL_BPM,  /**< Set player tempo in bpm, supersede midi file tempo */
+    FLUID_PLAYER_TEMPO_EXTERNAL_MIDI, /**< Set player tempo in us per quarter note, supersede midi file tempo */
+    FLUID_PLAYER_TEMPO_NBR        /**< @internal Value defines the count of player tempo type (#fluid_player_set_tempo_type) @warning This symbol is not part of the public API and ABI stability guarantee and may change at any time! */
+};
+
+/** @startlifecycle{MIDI File Player} */
+FLUIDSYNTH_API fluid_player_t *new_fluid_player(fluid_synth_t *synth);
+FLUIDSYNTH_API void delete_fluid_player(fluid_player_t *player);
+/** @endlifecycle */
+
+FLUIDSYNTH_API int fluid_player_add(fluid_player_t *player, const char *midifile);
+FLUIDSYNTH_API int fluid_player_add_mem(fluid_player_t *player, const void *buffer, size_t len);
+FLUIDSYNTH_API int fluid_player_play(fluid_player_t *player);
+FLUIDSYNTH_API int fluid_player_stop(fluid_player_t *player);
+FLUIDSYNTH_API int fluid_player_join(fluid_player_t *player);
+FLUIDSYNTH_API int fluid_player_set_loop(fluid_player_t *player, int loop);
+FLUIDSYNTH_API int fluid_player_set_tempo(fluid_player_t *player, int tempo_type, double tempo);
+FLUID_DEPRECATED FLUIDSYNTH_API int fluid_player_set_midi_tempo(fluid_player_t *player, int tempo);
+FLUID_DEPRECATED FLUIDSYNTH_API int fluid_player_set_bpm(fluid_player_t *player, int bpm);
+FLUIDSYNTH_API int fluid_player_set_playback_callback(fluid_player_t *player, handle_midi_event_func_t handler, void *handler_data);
+FLUIDSYNTH_API int fluid_player_set_tick_callback(fluid_player_t *player, handle_midi_tick_func_t handler, void *handler_data);
+
+FLUIDSYNTH_API int fluid_player_get_status(fluid_player_t *player);
+FLUIDSYNTH_API int fluid_player_get_current_tick(fluid_player_t *player);
+FLUIDSYNTH_API int fluid_player_get_total_ticks(fluid_player_t *player);
+FLUIDSYNTH_API int fluid_player_get_bpm(fluid_player_t *player);
+FLUIDSYNTH_API int fluid_player_get_division(fluid_player_t *player);
+FLUIDSYNTH_API int fluid_player_get_midi_tempo(fluid_player_t *player);
+FLUIDSYNTH_API int fluid_player_seek(fluid_player_t *player, int ticks);
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _FLUIDSYNTH_MIDI_H */
diff --git a/libs/fluidsynth/include/fluidsynth/misc.h b/libs/fluidsynth/include/fluidsynth/misc.h
new file mode 100644
index 00000000000..f60bf61e014
--- /dev/null
+++ b/libs/fluidsynth/include/fluidsynth/misc.h
@@ -0,0 +1,77 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#ifndef _FLUIDSYNTH_MISC_H
+#define _FLUIDSYNTH_MISC_H
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/**
+ * @defgroup misc Miscellaneous
+ *
+ * Miscellaneous utility functions and defines
+ *
+ * @{
+ */
+
+/**
+ * Value that indicates success, used by most libfluidsynth functions.
+ *
+ * @note This was not publicly defined prior to libfluidsynth 1.1.0.  When
+ * writing code which should also be compatible with older versions, something
+ * like the following can be used:
+ *
+ * @code
+ *   #include <fluidsynth.h>
+ *
+ *   #ifndef FLUID_OK
+ *   #define FLUID_OK      (0)
+ *   #define FLUID_FAILED  (-1)
+ *   #endif
+ * @endcode
+ *
+ * @since 1.1.0
+ */
+#define FLUID_OK        (0)
+
+/**
+ * Value that indicates failure, used by most libfluidsynth functions.
+ *
+ * @note See #FLUID_OK for more details.
+ *
+ * @since 1.1.0
+ */
+#define FLUID_FAILED    (-1)
+
+
+FLUIDSYNTH_API int fluid_is_soundfont(const char *filename);
+FLUIDSYNTH_API int fluid_is_midifile(const char *filename);
+FLUIDSYNTH_API void fluid_free(void* ptr);
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _FLUIDSYNTH_MISC_H */
diff --git a/libs/fluidsynth/include/fluidsynth/mod.h b/libs/fluidsynth/include/fluidsynth/mod.h
new file mode 100644
index 00000000000..a0965d0005f
--- /dev/null
+++ b/libs/fluidsynth/include/fluidsynth/mod.h
@@ -0,0 +1,105 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#ifndef _FLUIDSYNTH_MOD_H
+#define _FLUIDSYNTH_MOD_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup modulators SoundFont Modulators
+ * @ingroup soundfonts
+ *
+ * SoundFont modulator functions and constants.
+ *
+ * @{
+ */
+
+/**
+ * Flags defining the polarity, mapping function and type of a modulator source.
+ * Compare with SoundFont 2.04 PDF section 8.2.
+ *
+ * Note: Bit values do not correspond to the SoundFont spec!  Also note that
+ * #FLUID_MOD_GC and #FLUID_MOD_CC are in the flags field instead of the source field.
+ */
+enum fluid_mod_flags
+{
+    FLUID_MOD_POSITIVE = 0,       /**< Mapping function is positive */
+    FLUID_MOD_NEGATIVE = 1,       /**< Mapping function is negative */
+    FLUID_MOD_UNIPOLAR = 0,       /**< Mapping function is unipolar */
+    FLUID_MOD_BIPOLAR = 2,        /**< Mapping function is bipolar */
+    FLUID_MOD_LINEAR = 0,         /**< Linear mapping function */
+    FLUID_MOD_CONCAVE = 4,        /**< Concave mapping function */
+    FLUID_MOD_CONVEX = 8,         /**< Convex mapping function */
+    FLUID_MOD_SWITCH = 12,        /**< Switch (on/off) mapping function */
+    FLUID_MOD_GC = 0,             /**< General controller source type (#fluid_mod_src) */
+    FLUID_MOD_CC = 16,             /**< MIDI CC controller (source will be a MIDI CC number) */
+
+    FLUID_MOD_SIN = 0x80,            /**< Custom non-standard sinus mapping function */
+};
+
+/**
+ * General controller (if #FLUID_MOD_GC in flags).  This
+ * corresponds to SoundFont 2.04 PDF section 8.2.1
+ */
+enum fluid_mod_src
+{
+    FLUID_MOD_NONE = 0,                   /**< No source controller */
+    FLUID_MOD_VELOCITY = 2,               /**< MIDI note-on velocity */
+    FLUID_MOD_KEY = 3,                    /**< MIDI note-on note number */
+    FLUID_MOD_KEYPRESSURE = 10,           /**< MIDI key pressure */
+    FLUID_MOD_CHANNELPRESSURE = 13,       /**< MIDI channel pressure */
+    FLUID_MOD_PITCHWHEEL = 14,            /**< Pitch wheel */
+    FLUID_MOD_PITCHWHEELSENS = 16         /**< Pitch wheel sensitivity */
+};
+
+/** @startlifecycle{Modulator} */
+FLUIDSYNTH_API fluid_mod_t *new_fluid_mod(void);
+FLUIDSYNTH_API void delete_fluid_mod(fluid_mod_t *mod);
+/** @endlifecycle */
+
+FLUIDSYNTH_API size_t fluid_mod_sizeof(void);
+
+FLUIDSYNTH_API void fluid_mod_set_source1(fluid_mod_t *mod, int src, int flags);
+FLUIDSYNTH_API void fluid_mod_set_source2(fluid_mod_t *mod, int src, int flags);
+FLUIDSYNTH_API void fluid_mod_set_dest(fluid_mod_t *mod, int dst);
+FLUIDSYNTH_API void fluid_mod_set_amount(fluid_mod_t *mod, double amount);
+
+FLUIDSYNTH_API int fluid_mod_get_source1(const fluid_mod_t *mod);
+FLUIDSYNTH_API int fluid_mod_get_flags1(const fluid_mod_t *mod);
+FLUIDSYNTH_API int fluid_mod_get_source2(const fluid_mod_t *mod);
+FLUIDSYNTH_API int fluid_mod_get_flags2(const fluid_mod_t *mod);
+FLUIDSYNTH_API int fluid_mod_get_dest(const fluid_mod_t *mod);
+FLUIDSYNTH_API double fluid_mod_get_amount(const fluid_mod_t *mod);
+
+FLUIDSYNTH_API int fluid_mod_test_identity(const fluid_mod_t *mod1, const fluid_mod_t *mod2);
+FLUIDSYNTH_API int fluid_mod_has_source(const fluid_mod_t *mod, int cc, int ctrl);
+FLUIDSYNTH_API int fluid_mod_has_dest(const fluid_mod_t *mod, int gen);
+
+FLUIDSYNTH_API void fluid_mod_clone(fluid_mod_t *mod, const fluid_mod_t *src);
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* _FLUIDSYNTH_MOD_H */
+
diff --git a/libs/fluidsynth/include/fluidsynth/seq.h b/libs/fluidsynth/include/fluidsynth/seq.h
new file mode 100644
index 00000000000..cdcc959010f
--- /dev/null
+++ b/libs/fluidsynth/include/fluidsynth/seq.h
@@ -0,0 +1,92 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#ifndef _FLUIDSYNTH_SEQ_H
+#define _FLUIDSYNTH_SEQ_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup sequencer MIDI Sequencer
+ *
+ * MIDI event sequencer.
+ *
+ * The MIDI sequencer can be used to play MIDI events in a more flexible way than
+ * using the MIDI file player, which expects the events to be stored as
+ * Standard MIDI Files. Using the sequencer, you can provide the events one by
+ * one, with an optional timestamp for scheduling.
+ *
+ * @{
+ */
+
+/**
+ * Event callback prototype for destination clients.
+ *
+ * @param time Current sequencer tick value (see fluid_sequencer_get_tick()).
+ * @param event The event being received
+ * @param seq The sequencer instance
+ * @param data User defined data registered with the client
+ *
+ * @note @p time may not be of the same tick value as the scheduled event! In fact, depending on
+ * the sequencer's scale and the synth's sample-rate, @p time may be a few ticks too late. Although this
+ * itself is inaudible, it is important to consider,
+ * when you use this callback for enqueuing additional events over and over again with
+ * fluid_sequencer_send_at(): If you enqueue new events with a relative tick value you might introduce
+ * a timing error, which causes your sequence to sound e.g. slower than it's supposed to be. If this is
+ * your use-case, make sure to enqueue events with an absolute tick value.
+ */
+typedef void (*fluid_event_callback_t)(unsigned int time, fluid_event_t *event,
+                                       fluid_sequencer_t *seq, void *data);
+
+
+/** @startlifecycle{MIDI Sequencer} */
+FLUID_DEPRECATED FLUIDSYNTH_API fluid_sequencer_t *new_fluid_sequencer(void);
+FLUIDSYNTH_API fluid_sequencer_t *new_fluid_sequencer2(int use_system_timer);
+FLUIDSYNTH_API void delete_fluid_sequencer(fluid_sequencer_t *seq);
+/** @endlifecycle */
+
+FLUIDSYNTH_API int fluid_sequencer_get_use_system_timer(fluid_sequencer_t *seq);
+FLUIDSYNTH_API
+fluid_seq_id_t fluid_sequencer_register_client(fluid_sequencer_t *seq, const char *name,
+        fluid_event_callback_t callback, void *data);
+FLUIDSYNTH_API void fluid_sequencer_unregister_client(fluid_sequencer_t *seq, fluid_seq_id_t id);
+FLUIDSYNTH_API int fluid_sequencer_count_clients(fluid_sequencer_t *seq);
+FLUIDSYNTH_API fluid_seq_id_t fluid_sequencer_get_client_id(fluid_sequencer_t *seq, int index);
+FLUIDSYNTH_API char *fluid_sequencer_get_client_name(fluid_sequencer_t *seq, fluid_seq_id_t id);
+FLUIDSYNTH_API int fluid_sequencer_client_is_dest(fluid_sequencer_t *seq, fluid_seq_id_t id);
+FLUIDSYNTH_API void fluid_sequencer_process(fluid_sequencer_t *seq, unsigned int msec);
+FLUIDSYNTH_API void fluid_sequencer_send_now(fluid_sequencer_t *seq, fluid_event_t *evt);
+FLUIDSYNTH_API
+int fluid_sequencer_send_at(fluid_sequencer_t *seq, fluid_event_t *evt,
+                            unsigned int time, int absolute);
+FLUIDSYNTH_API
+void fluid_sequencer_remove_events(fluid_sequencer_t *seq, fluid_seq_id_t source, fluid_seq_id_t dest, int type);
+FLUIDSYNTH_API unsigned int fluid_sequencer_get_tick(fluid_sequencer_t *seq);
+FLUIDSYNTH_API void fluid_sequencer_set_time_scale(fluid_sequencer_t *seq, double scale);
+FLUIDSYNTH_API double fluid_sequencer_get_time_scale(fluid_sequencer_t *seq);
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _FLUIDSYNTH_SEQ_H */
diff --git a/libs/fluidsynth/include/fluidsynth/seqbind.h b/libs/fluidsynth/include/fluidsynth/seqbind.h
new file mode 100644
index 00000000000..1a5098120ab
--- /dev/null
+++ b/libs/fluidsynth/include/fluidsynth/seqbind.h
@@ -0,0 +1,45 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#ifndef _FLUIDSYNTH_SEQBIND_H
+#define _FLUIDSYNTH_SEQBIND_H
+
+#include "seq.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @addtogroup sequencer
+ *
+ * @{
+ */
+FLUIDSYNTH_API
+fluid_seq_id_t fluid_sequencer_register_fluidsynth(fluid_sequencer_t *seq, fluid_synth_t *synth);
+FLUIDSYNTH_API 
+int fluid_sequencer_add_midi_event_to_buffer(void *data, fluid_midi_event_t *event);
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* _FLUIDSYNTH_SEQBIND_H */
+
diff --git a/libs/fluidsynth/include/fluidsynth/settings.h b/libs/fluidsynth/include/fluidsynth/settings.h
new file mode 100644
index 00000000000..78db7dc32b9
--- /dev/null
+++ b/libs/fluidsynth/include/fluidsynth/settings.h
@@ -0,0 +1,194 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#ifndef _FLUIDSYNTH_SETTINGS_H
+#define _FLUIDSYNTH_SETTINGS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup settings Settings
+ *
+ * Functions for settings management
+ *
+ * To create a synthesizer object you will have to specify its
+ * settings. These settings are stored in a fluid_settings_t object.
+ * @code
+ *     void
+ *     my_synthesizer ()
+ *     {
+ *       fluid_settings_t *settings;
+ *       fluid_synth_t *synth;
+ *       fluid_audio_driver_t *adriver;
+ *
+ *       settings = new_fluid_settings ();
+ *       fluid_settings_setstr(settings, "audio.driver", "alsa");
+ *       // ... change settings ...
+ *       synth = new_fluid_synth (settings);
+ *       adriver = new_fluid_audio_driver (settings, synth);
+ *       // ...
+ *     }
+ * @endcode
+ * @sa @ref CreatingSettings
+ *
+ * @{
+ */
+
+/**
+ * Hint FLUID_HINT_BOUNDED_BELOW indicates that the LowerBound field
+ * of the FLUID_PortRangeHint should be considered meaningful. The
+ * value in this field should be considered the (inclusive) lower
+ * bound of the valid range. If FLUID_HINT_SAMPLE_RATE is also
+ * specified then the value of LowerBound should be multiplied by the
+ * sample rate.
+ */
+#define FLUID_HINT_BOUNDED_BELOW   0x1
+
+/** Hint FLUID_HINT_BOUNDED_ABOVE indicates that the UpperBound field
+   of the FLUID_PortRangeHint should be considered meaningful. The
+   value in this field should be considered the (inclusive) upper
+   bound of the valid range. If FLUID_HINT_SAMPLE_RATE is also
+   specified then the value of UpperBound should be multiplied by the
+   sample rate. */
+#define FLUID_HINT_BOUNDED_ABOVE   0x2
+
+/**
+ * Hint FLUID_HINT_TOGGLED indicates that the data item should be
+ * considered a Boolean toggle. Data less than or equal to zero should
+ * be considered `off' or `false,' and data above zero should be
+ * considered `on' or `true.' FLUID_HINT_TOGGLED may not be used in
+ * conjunction with any other hint.
+ */
+#define FLUID_HINT_TOGGLED         0x4
+
+#define FLUID_HINT_OPTIONLIST      0x02         /**< Setting is a list of string options */
+
+
+/**
+ * Settings type
+ *
+ * Each setting has a defined type: numeric (double), integer, string or a
+ * set of values. The type of each setting can be retrieved using the
+ * function fluid_settings_get_type()
+ */
+enum fluid_types_enum
+{
+    FLUID_NO_TYPE = -1, /**< Undefined type */
+    FLUID_NUM_TYPE,     /**< Numeric (double) */
+    FLUID_INT_TYPE,     /**< Integer */
+    FLUID_STR_TYPE,     /**< String */
+    FLUID_SET_TYPE      /**< Set of values */
+};
+
+/** @startlifecycle{Settings} */
+FLUIDSYNTH_API fluid_settings_t *new_fluid_settings(void);
+FLUIDSYNTH_API void delete_fluid_settings(fluid_settings_t *settings);
+/** @endlifecycle */
+
+FLUIDSYNTH_API
+int fluid_settings_get_type(fluid_settings_t *settings, const char *name);
+
+FLUIDSYNTH_API
+int fluid_settings_get_hints(fluid_settings_t *settings, const char *name, int *val);
+
+FLUIDSYNTH_API
+int fluid_settings_is_realtime(fluid_settings_t *settings, const char *name);
+
+FLUIDSYNTH_API
+int fluid_settings_setstr(fluid_settings_t *settings, const char *name, const char *str);
+
+FLUIDSYNTH_API
+int fluid_settings_copystr(fluid_settings_t *settings, const char *name, char *str, int len);
+
+FLUIDSYNTH_API
+int fluid_settings_dupstr(fluid_settings_t *settings, const char *name, char **str);
+
+FLUIDSYNTH_API
+int fluid_settings_getstr_default(fluid_settings_t *settings, const char *name, char **def);
+
+FLUIDSYNTH_API
+int fluid_settings_str_equal(fluid_settings_t *settings, const char *name, const char *value);
+
+FLUIDSYNTH_API
+int fluid_settings_setnum(fluid_settings_t *settings, const char *name, double val);
+
+FLUIDSYNTH_API
+int fluid_settings_getnum(fluid_settings_t *settings, const char *name, double *val);
+
+FLUIDSYNTH_API
+int fluid_settings_getnum_default(fluid_settings_t *settings, const char *name, double *val);
+
+FLUIDSYNTH_API
+int fluid_settings_getnum_range(fluid_settings_t *settings, const char *name,
+                                double *min, double *max);
+
+FLUIDSYNTH_API
+int fluid_settings_setint(fluid_settings_t *settings, const char *name, int val);
+
+FLUIDSYNTH_API
+int fluid_settings_getint(fluid_settings_t *settings, const char *name, int *val);
+
+FLUIDSYNTH_API
+int fluid_settings_getint_default(fluid_settings_t *settings, const char *name, int *val);
+
+FLUIDSYNTH_API
+int fluid_settings_getint_range(fluid_settings_t *settings, const char *name,
+                                int *min, int *max);
+
+/**
+ * Callback function type used with fluid_settings_foreach_option()
+ *
+ * @param data User defined data pointer
+ * @param name Setting name
+ * @param option A string option for this setting (iterates through the list)
+ */
+typedef void (*fluid_settings_foreach_option_t)(void *data, const char *name, const char *option);
+
+FLUIDSYNTH_API
+void fluid_settings_foreach_option(fluid_settings_t *settings,
+                                   const char *name, void *data,
+                                   fluid_settings_foreach_option_t func);
+FLUIDSYNTH_API
+int fluid_settings_option_count(fluid_settings_t *settings, const char *name);
+FLUIDSYNTH_API char *fluid_settings_option_concat(fluid_settings_t *settings,
+        const char *name,
+        const char *separator);
+
+/**
+ * Callback function type used with fluid_settings_foreach()
+ *
+ * @param data User defined data pointer
+ * @param name Setting name
+ * @param type Setting type (#fluid_types_enum)
+ */
+typedef void (*fluid_settings_foreach_t)(void *data, const char *name, int type);
+
+FLUIDSYNTH_API
+void fluid_settings_foreach(fluid_settings_t *settings, void *data,
+                            fluid_settings_foreach_t func);
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _FLUIDSYNTH_SETTINGS_H */
diff --git a/libs/fluidsynth/include/fluidsynth/sfont.h b/libs/fluidsynth/include/fluidsynth/sfont.h
new file mode 100644
index 00000000000..6d0fd4c7a3e
--- /dev/null
+++ b/libs/fluidsynth/include/fluidsynth/sfont.h
@@ -0,0 +1,362 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#ifndef _FLUIDSYNTH_SFONT_H
+#define _FLUIDSYNTH_SFONT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup soundfonts SoundFonts
+ *
+ * SoundFont related functions
+ *
+ * This part of the API contains functions, defines and types that are mostly
+ * only used by internal or custom SoundFont loaders or client code that
+ * modifies loaded presets, SoundFonts or voices directly.
+ */
+
+/**
+ * @defgroup soundfont_loader SoundFont Loader
+ * @ingroup soundfonts
+ *
+ * Create custom SoundFont loaders
+ *
+ * It is possible to add new SoundFont loaders to the
+ * synthesizer. This API allows for virtual SoundFont files to be loaded
+ * and synthesized, which may not actually be SoundFont files, as long as they
+ * can be represented by the SoundFont synthesis model.
+ *
+ * To add a new SoundFont loader to the synthesizer, call
+ * fluid_synth_add_sfloader() and pass a pointer to an
+ * #fluid_sfloader_t instance created by new_fluid_sfloader().
+ * On creation, you must specify a callback function \p load
+ * that will be called for every file attempting to load it and
+ * if successful returns a #fluid_sfont_t instance, or NULL if it fails.
+ *
+ * The #fluid_sfont_t structure contains a callback to obtain the
+ * name of the SoundFont. It contains two functions to iterate
+ * though the contained presets, and one function to obtain a
+ * preset corresponding to a bank and preset number. This
+ * function should return a #fluid_preset_t instance.
+ *
+ * The #fluid_preset_t instance contains some functions to obtain
+ * information from the preset (name, bank, number). The most
+ * important callback is the noteon function. The noteon function
+ * is called by fluidsynth internally and
+ * should call fluid_synth_alloc_voice() for every sample that has
+ * to be played. fluid_synth_alloc_voice() expects a pointer to a
+ * #fluid_sample_t instance and returns a pointer to the opaque
+ * #fluid_voice_t structure. To set or increment the values of a
+ * generator, use fluid_voice_gen_set() or fluid_voice_gen_incr(). When you are
+ * finished initializing the voice call fluid_voice_start() to
+ * start playing the synthesis voice.
+ *
+ * @{
+ */
+
+/**
+ * Some notification enums for presets and samples.
+ */
+enum
+{
+    FLUID_PRESET_SELECTED,                /**< Preset selected notify */
+    FLUID_PRESET_UNSELECTED,              /**< Preset unselected notify */
+    FLUID_SAMPLE_DONE,                    /**< Sample no longer needed notify */
+    FLUID_PRESET_PIN,                     /**< Request to pin preset samples to cache */
+    FLUID_PRESET_UNPIN                    /**< Request to unpin preset samples from cache */
+};
+
+/**
+ * Indicates the type of a sample used by the _fluid_sample_t::sampletype field.
+ *
+ * This enum corresponds to the \c SFSampleLink enum in the SoundFont spec.
+ * One \c flag may be bit-wise OR-ed with one \c value.
+ */
+enum fluid_sample_type
+{
+    FLUID_SAMPLETYPE_MONO = 0x1, /**< Value used for mono samples */
+    FLUID_SAMPLETYPE_RIGHT = 0x2, /**< Value used for right samples of a stereo pair */
+    FLUID_SAMPLETYPE_LEFT = 0x4, /**< Value used for left samples of a stereo pair */
+    FLUID_SAMPLETYPE_LINKED = 0x8, /**< Value used for linked sample, which is currently not supported */
+    FLUID_SAMPLETYPE_OGG_VORBIS = 0x10, /**< Flag used for Ogg Vorbis compressed samples (non-standard compliant extension) as found in the program "sftools" developed by Werner Schweer from MuseScore @since 1.1.7 */
+    FLUID_SAMPLETYPE_ROM = 0x8000 /**< Flag that indicates ROM samples, causing the sample to be ignored */
+};
+
+
+/**
+ * Method to load an instrument file (does not actually need to be a real file name,
+ * could be another type of string identifier that the \a loader understands).
+ *
+ * @param loader SoundFont loader
+ * @param filename File name or other string identifier
+ * @return The loaded instrument file (SoundFont) or NULL if an error occurred.
+ */
+typedef fluid_sfont_t *(*fluid_sfloader_load_t)(fluid_sfloader_t *loader, const char *filename);
+
+/**
+ * The free method should free the memory allocated for a fluid_sfloader_t instance in
+ * addition to any private data.
+ *
+ * @param loader SoundFont loader
+ *
+ * Any custom user provided cleanup function must ultimately call
+ * delete_fluid_sfloader() to ensure proper cleanup of the #fluid_sfloader_t struct. If no private data
+ * needs to be freed, setting this to delete_fluid_sfloader() is sufficient.
+ *
+ */
+typedef void (*fluid_sfloader_free_t)(fluid_sfloader_t *loader);
+
+
+/** @startlifecycle{SoundFont Loader} */
+FLUIDSYNTH_API fluid_sfloader_t *new_fluid_sfloader(fluid_sfloader_load_t load, fluid_sfloader_free_t free);
+FLUIDSYNTH_API void delete_fluid_sfloader(fluid_sfloader_t *loader);
+
+FLUIDSYNTH_API fluid_sfloader_t *new_fluid_defsfloader(fluid_settings_t *settings);
+/** @endlifecycle */
+
+/**
+ * Opens the file or memory indicated by \c filename in binary read mode.
+ *
+ * @return returns a file handle on success, NULL otherwise
+ *
+ * \c filename matches the string provided during the fluid_synth_sfload() call.
+ */
+typedef void *(* fluid_sfloader_callback_open_t)(const char *filename);
+
+/**
+ * Reads \c count bytes to the specified buffer \c buf.
+ *
+ * @return returns #FLUID_OK if exactly \c count bytes were successfully read, else returns #FLUID_FAILED and leaves \a buf unmodified.
+ */
+typedef int (* fluid_sfloader_callback_read_t)(void *buf, fluid_long_long_t count, void *handle);
+
+/**
+ * Same purpose and behaviour as fseek.
+ *
+ * @param origin either \c SEEK_SET, \c SEEK_CUR or \c SEEK_END
+ * @return returns #FLUID_OK if the seek was successfully performed while not seeking beyond a buffer or file, #FLUID_FAILED otherwise
+ */
+typedef int (* fluid_sfloader_callback_seek_t)(void *handle, fluid_long_long_t offset, int origin);
+
+/**
+ * Closes the handle returned by #fluid_sfloader_callback_open_t and frees used resources.
+ *
+ * @return returns #FLUID_OK on success, #FLUID_FAILED on error
+ */
+typedef int (* fluid_sfloader_callback_close_t)(void *handle);
+
+/** @return returns current file offset or #FLUID_FAILED on error */
+typedef fluid_long_long_t (* fluid_sfloader_callback_tell_t)(void *handle);
+
+
+FLUIDSYNTH_API int fluid_sfloader_set_callbacks(fluid_sfloader_t *loader,
+        fluid_sfloader_callback_open_t open,
+        fluid_sfloader_callback_read_t read,
+        fluid_sfloader_callback_seek_t seek,
+        fluid_sfloader_callback_tell_t tell,
+        fluid_sfloader_callback_close_t close);
+
+FLUIDSYNTH_API int fluid_sfloader_set_data(fluid_sfloader_t *loader, void *data);
+FLUIDSYNTH_API void *fluid_sfloader_get_data(fluid_sfloader_t *loader);
+
+
+
+/**
+ * Method to return the name of a virtual SoundFont.
+ *
+ * @param sfont Virtual SoundFont
+ * @return The name of the virtual SoundFont.
+ */
+typedef const char *(*fluid_sfont_get_name_t)(fluid_sfont_t *sfont);
+
+/**
+ * Get a virtual SoundFont preset by bank and program numbers.
+ *
+ * @param sfont Virtual SoundFont
+ * @param bank MIDI bank number (0-16383)
+ * @param prenum MIDI preset number (0-127)
+ * @return Should return an allocated virtual preset or NULL if it could not
+ *   be found.
+ */
+typedef fluid_preset_t *(*fluid_sfont_get_preset_t)(fluid_sfont_t *sfont, int bank, int prenum);
+
+/**
+ * Start virtual SoundFont preset iteration method.
+ *
+ * @param sfont Virtual SoundFont
+ *
+ * Starts/re-starts virtual preset iteration in a SoundFont.
+ */
+typedef void (*fluid_sfont_iteration_start_t)(fluid_sfont_t *sfont);
+
+/**
+ * Virtual SoundFont preset iteration function.
+ *
+ * @param sfont Virtual SoundFont
+ * @return NULL when no more presets are available, otherwise the a pointer to the current preset
+ *
+ * Returns preset information to the caller. The returned buffer is only valid until a subsequent
+ * call to this function.
+ */
+typedef fluid_preset_t *(*fluid_sfont_iteration_next_t)(fluid_sfont_t *sfont);
+
+/**
+ * Method to free a virtual SoundFont bank.
+ *
+ * @param sfont Virtual SoundFont to free.
+ * @return Should return 0 when it was able to free all resources or non-zero
+ *   if some of the samples could not be freed because they are still in use,
+ *   in which case the free will be tried again later, until success.
+ *
+ * Any custom user provided cleanup function must ultimately call
+ * delete_fluid_sfont() to ensure proper cleanup of the #fluid_sfont_t struct. If no private data
+ * needs to be freed, setting this to delete_fluid_sfont() is sufficient.
+ */
+typedef int (*fluid_sfont_free_t)(fluid_sfont_t *sfont);
+
+
+/** @startlifecycle{SoundFont} */
+FLUIDSYNTH_API fluid_sfont_t *new_fluid_sfont(fluid_sfont_get_name_t get_name,
+        fluid_sfont_get_preset_t get_preset,
+        fluid_sfont_iteration_start_t iter_start,
+        fluid_sfont_iteration_next_t iter_next,
+        fluid_sfont_free_t free);
+
+FLUIDSYNTH_API int delete_fluid_sfont(fluid_sfont_t *sfont);
+/** @endlifecycle */
+
+FLUIDSYNTH_API int fluid_sfont_set_data(fluid_sfont_t *sfont, void *data);
+FLUIDSYNTH_API void *fluid_sfont_get_data(fluid_sfont_t *sfont);
+
+FLUIDSYNTH_API int fluid_sfont_get_id(fluid_sfont_t *sfont);
+FLUIDSYNTH_API const char *fluid_sfont_get_name(fluid_sfont_t *sfont);
+FLUIDSYNTH_API fluid_preset_t *fluid_sfont_get_preset(fluid_sfont_t *sfont, int bank, int prenum);
+FLUIDSYNTH_API void fluid_sfont_iteration_start(fluid_sfont_t *sfont);
+FLUIDSYNTH_API fluid_preset_t *fluid_sfont_iteration_next(fluid_sfont_t *sfont);
+
+/**
+ * Method to get a virtual SoundFont preset name.
+ *
+ * @param preset Virtual SoundFont preset
+ * @return Should return the name of the preset.  The returned string must be
+ *   valid for the duration of the virtual preset (or the duration of the
+ *   SoundFont, in the case of preset iteration).
+ */
+typedef const char *(*fluid_preset_get_name_t)(fluid_preset_t *preset);
+
+/**
+ * Method to get a virtual SoundFont preset MIDI bank number.
+ *
+ * @param preset Virtual SoundFont preset
+ * @param return The bank number of the preset
+ */
+typedef int (*fluid_preset_get_banknum_t)(fluid_preset_t *preset);
+
+/**
+ * Method to get a virtual SoundFont preset MIDI program number.
+ *
+ * @param preset Virtual SoundFont preset
+ * @param return The program number of the preset
+ */
+typedef int (*fluid_preset_get_num_t)(fluid_preset_t *preset);
+
+/**
+ * Method to handle a noteon event (synthesize the instrument).
+ *
+ * @param preset Virtual SoundFont preset
+ * @param synth Synthesizer instance
+ * @param chan MIDI channel number of the note on event
+ * @param key MIDI note number (0-127)
+ * @param vel MIDI velocity (0-127)
+ * @return #FLUID_OK on success (0) or #FLUID_FAILED (-1) otherwise
+ *
+ * This method may be called from within synthesis context and therefore
+ * should be as efficient as possible and not perform any operations considered
+ * bad for realtime audio output (memory allocations and other OS calls).
+ *
+ * Call fluid_synth_alloc_voice() for every sample that has
+ * to be played. fluid_synth_alloc_voice() expects a pointer to a
+ * #fluid_sample_t structure and returns a pointer to the opaque
+ * #fluid_voice_t structure. To set or increment the values of a
+ * generator, use fluid_voice_gen_set() or fluid_voice_gen_incr(). When you are
+ * finished initializing the voice call fluid_voice_start() to
+ * start playing the synthesis voice.  Starting with FluidSynth 1.1.0 all voices
+ * created will be started at the same time.
+ */
+typedef int (*fluid_preset_noteon_t)(fluid_preset_t *preset, fluid_synth_t *synth, int chan, int key, int vel);
+
+/**
+ * Method to free a virtual SoundFont preset.
+ *
+ * @param preset Virtual SoundFont preset
+ * @return Should return 0
+ *
+ * Any custom user provided cleanup function must ultimately call
+ * delete_fluid_preset() to ensure proper cleanup of the #fluid_preset_t struct. If no private data
+ * needs to be freed, setting this to delete_fluid_preset() is sufficient.
+ */
+typedef void (*fluid_preset_free_t)(fluid_preset_t *preset);
+
+/** @startlifecycle{Preset} */
+FLUIDSYNTH_API fluid_preset_t *new_fluid_preset(fluid_sfont_t *parent_sfont,
+        fluid_preset_get_name_t get_name,
+        fluid_preset_get_banknum_t get_bank,
+        fluid_preset_get_num_t get_num,
+        fluid_preset_noteon_t noteon,
+        fluid_preset_free_t free);
+FLUIDSYNTH_API void delete_fluid_preset(fluid_preset_t *preset);
+/** @endlifecycle */
+
+FLUIDSYNTH_API int fluid_preset_set_data(fluid_preset_t *preset, void *data);
+FLUIDSYNTH_API void *fluid_preset_get_data(fluid_preset_t *preset);
+
+FLUIDSYNTH_API const char *fluid_preset_get_name(fluid_preset_t *preset);
+FLUIDSYNTH_API int fluid_preset_get_banknum(fluid_preset_t *preset);
+FLUIDSYNTH_API int fluid_preset_get_num(fluid_preset_t *preset);
+FLUIDSYNTH_API fluid_sfont_t *fluid_preset_get_sfont(fluid_preset_t *preset);
+
+/** @startlifecycle{Sample} */
+FLUIDSYNTH_API fluid_sample_t *new_fluid_sample(void);
+FLUIDSYNTH_API void delete_fluid_sample(fluid_sample_t *sample);
+/** @endlifecycle */
+
+FLUIDSYNTH_API size_t fluid_sample_sizeof(void);
+
+FLUIDSYNTH_API int fluid_sample_set_name(fluid_sample_t *sample, const char *name);
+FLUIDSYNTH_API int fluid_sample_set_sound_data(fluid_sample_t *sample,
+        short *data,
+        char *data24,
+        unsigned int nbframes,
+        unsigned int sample_rate,
+        short copy_data);
+
+FLUIDSYNTH_API int fluid_sample_set_loop(fluid_sample_t *sample, unsigned int loop_start, unsigned int loop_end);
+FLUIDSYNTH_API int fluid_sample_set_pitch(fluid_sample_t *sample, int root_key, int fine_tune);
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _FLUIDSYNTH_SFONT_H */
diff --git a/libs/fluidsynth/include/fluidsynth/shell.h b/libs/fluidsynth/include/fluidsynth/shell.h
new file mode 100644
index 00000000000..cb555c9388f
--- /dev/null
+++ b/libs/fluidsynth/include/fluidsynth/shell.h
@@ -0,0 +1,150 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#ifndef _FLUIDSYNTH_SHELL_H
+#define _FLUIDSYNTH_SHELL_H
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/**
+ * @defgroup command_interface Command Interface
+ *
+ * Control and configuration interface
+ *
+ * The command interface allows you to send textual commands to
+ * the synthesizer, to parse a command file, or to read commands
+ * from the stdin or other input streams (like a TCP socket).
+ *
+ * For a full list of available commands, type \c help in the
+ * \ref command_shell or send the same command via a command handler.
+ * Further documentation can be found at
+ * https://github.com/FluidSynth/fluidsynth/wiki/UserManual#shell-commands
+ *
+ * @{
+ */
+FLUIDSYNTH_API fluid_istream_t fluid_get_stdin(void);
+FLUIDSYNTH_API fluid_ostream_t fluid_get_stdout(void);
+FLUIDSYNTH_API char *fluid_get_userconf(char *buf, int len);
+FLUIDSYNTH_API char *fluid_get_sysconf(char *buf, int len);
+/** @} */
+
+
+/**
+ * @defgroup command_handler Command Handler
+ * @ingroup command_interface
+ * @brief Handles text commands and reading of configuration files
+ *
+ * @{
+ */
+
+/** @startlifecycle{Command Handler} */
+FLUIDSYNTH_API
+fluid_cmd_handler_t *new_fluid_cmd_handler(fluid_synth_t *synth, fluid_midi_router_t *router);
+
+FLUIDSYNTH_API
+fluid_cmd_handler_t *new_fluid_cmd_handler2(fluid_settings_t *settings, fluid_synth_t *synth,
+                                            fluid_midi_router_t *router, fluid_player_t *player);
+
+FLUIDSYNTH_API
+void delete_fluid_cmd_handler(fluid_cmd_handler_t *handler);
+/** @endlifecycle */
+
+FLUIDSYNTH_API
+void fluid_cmd_handler_set_synth(fluid_cmd_handler_t *handler, fluid_synth_t *synth);
+
+FLUIDSYNTH_API
+int fluid_command(fluid_cmd_handler_t *handler, const char *cmd, fluid_ostream_t out);
+
+FLUIDSYNTH_API
+int fluid_source(fluid_cmd_handler_t *handler, const char *filename);
+/** @} */
+
+
+/**
+ * @defgroup command_shell Command Shell
+ * @ingroup command_interface
+ *
+ * Interactive shell to control and configure a synthesizer instance.
+ *
+ * If you need a platform independent way to get the standard input
+ * and output streams, use fluid_get_stdin() and fluid_get_stdout().
+ *
+ * For a full list of available commands, type \c help in the shell.
+ *
+ * @{
+ */
+
+/** @startlifecycle{Command Shell} */
+FLUIDSYNTH_API
+fluid_shell_t *new_fluid_shell(fluid_settings_t *settings, fluid_cmd_handler_t *handler,
+                               fluid_istream_t in, fluid_ostream_t out, int thread);
+
+FLUIDSYNTH_API
+void fluid_usershell(fluid_settings_t *settings, fluid_cmd_handler_t *handler);
+
+FLUIDSYNTH_API void delete_fluid_shell(fluid_shell_t *shell);
+/** @endlifecycle */
+
+/** @} */
+
+
+/**
+ * @defgroup command_server Command Server
+ * @ingroup command_interface
+ *
+ * TCP socket server for a command handler.
+ *
+ * The socket server will open the TCP port set by \ref settings_shell_port 
+ * (default 9800) and starts a new thread and \ref command_handler for each 
+ * incoming connection.
+ *
+ * @note The server is only available if libfluidsynth has been compiled
+ * with network support (enable-network). Without network support, all related
+ * functions will return FLUID_FAILED or NULL.
+ *
+ * @{
+ */
+
+/** @startlifecycle{Command Server} */
+FLUIDSYNTH_API
+fluid_server_t *new_fluid_server(fluid_settings_t *settings,
+                                 fluid_synth_t *synth, fluid_midi_router_t *router);
+
+FLUIDSYNTH_API
+fluid_server_t *new_fluid_server2(fluid_settings_t *settings,
+                                 fluid_synth_t *synth, fluid_midi_router_t *router,
+                                 fluid_player_t *player);
+
+FLUIDSYNTH_API void delete_fluid_server(fluid_server_t *server);
+
+FLUIDSYNTH_API int fluid_server_join(fluid_server_t *server);
+/** @endlifecycle */
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _FLUIDSYNTH_SHELL_H */
diff --git a/libs/fluidsynth/include/fluidsynth/synth.h b/libs/fluidsynth/include/fluidsynth/synth.h
new file mode 100644
index 00000000000..84861ebd648
--- /dev/null
+++ b/libs/fluidsynth/include/fluidsynth/synth.h
@@ -0,0 +1,552 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#ifndef _FLUIDSYNTH_SYNTH_H
+#define _FLUIDSYNTH_SYNTH_H
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/**
+ * @defgroup synth Synthesizer
+ *
+ * SoundFont synthesizer
+ *
+ * You create a new synthesizer with new_fluid_synth() and you destroy
+ * it with delete_fluid_synth(). Use the fluid_settings_t structure to specify
+ * the synthesizer characteristics.
+ *
+ * You have to load a SoundFont in order to hear any sound. For that
+ * you use the fluid_synth_sfload() function.
+ *
+ * You can use the audio driver functions to open
+ * the audio device and create a background audio thread.
+ *
+ * The API for sending MIDI events is probably what you expect:
+ * fluid_synth_noteon(), fluid_synth_noteoff(), ...
+ *
+ * @{
+ */
+
+/** @startlifecycle{Synthesizer} */
+FLUIDSYNTH_API fluid_synth_t *new_fluid_synth(fluid_settings_t *settings);
+FLUIDSYNTH_API void delete_fluid_synth(fluid_synth_t *synth);
+/** @endlifecycle */
+
+FLUIDSYNTH_API double fluid_synth_get_cpu_load(fluid_synth_t *synth);
+FLUID_DEPRECATED FLUIDSYNTH_API const char *fluid_synth_error(fluid_synth_t *synth);
+/** @} */
+
+/**
+ * @defgroup midi_messages MIDI Channel Messages
+ * @ingroup synth
+ *
+ * The MIDI channel message functions are mostly directly named after their
+ * counterpart MIDI messages. They are a high-level interface to controlling
+ * the synthesizer, playing notes and changing note and channel parameters.
+ *
+ * @{
+ */
+FLUIDSYNTH_API int fluid_synth_noteon(fluid_synth_t *synth, int chan, int key, int vel);
+FLUIDSYNTH_API int fluid_synth_noteoff(fluid_synth_t *synth, int chan, int key);
+FLUIDSYNTH_API int fluid_synth_cc(fluid_synth_t *synth, int chan, int ctrl, int val);
+FLUIDSYNTH_API int fluid_synth_get_cc(fluid_synth_t *synth, int chan, int ctrl, int *pval);
+FLUIDSYNTH_API int fluid_synth_sysex(fluid_synth_t *synth, const char *data, int len,
+                                     char *response, int *response_len, int *handled, int dryrun);
+FLUIDSYNTH_API int fluid_synth_pitch_bend(fluid_synth_t *synth, int chan, int val);
+FLUIDSYNTH_API int fluid_synth_get_pitch_bend(fluid_synth_t *synth, int chan, int *ppitch_bend);
+FLUIDSYNTH_API int fluid_synth_pitch_wheel_sens(fluid_synth_t *synth, int chan, int val);
+FLUIDSYNTH_API int fluid_synth_get_pitch_wheel_sens(fluid_synth_t *synth, int chan, int *pval);
+FLUIDSYNTH_API int fluid_synth_program_change(fluid_synth_t *synth, int chan, int program);
+FLUIDSYNTH_API int fluid_synth_channel_pressure(fluid_synth_t *synth, int chan, int val);
+FLUIDSYNTH_API int fluid_synth_key_pressure(fluid_synth_t *synth, int chan, int key, int val);
+FLUIDSYNTH_API int fluid_synth_bank_select(fluid_synth_t *synth, int chan, int bank);
+FLUIDSYNTH_API int fluid_synth_sfont_select(fluid_synth_t *synth, int chan, int sfont_id);
+FLUIDSYNTH_API
+int fluid_synth_program_select(fluid_synth_t *synth, int chan, int sfont_id,
+                               int bank_num, int preset_num);
+FLUIDSYNTH_API int
+fluid_synth_program_select_by_sfont_name(fluid_synth_t *synth, int chan,
+        const char *sfont_name, int bank_num,
+        int preset_num);
+FLUIDSYNTH_API
+int fluid_synth_get_program(fluid_synth_t *synth, int chan, int *sfont_id,
+                            int *bank_num, int *preset_num);
+FLUIDSYNTH_API int fluid_synth_unset_program(fluid_synth_t *synth, int chan);
+FLUIDSYNTH_API int fluid_synth_program_reset(fluid_synth_t *synth);
+FLUIDSYNTH_API int fluid_synth_system_reset(fluid_synth_t *synth);
+
+FLUIDSYNTH_API int fluid_synth_all_notes_off(fluid_synth_t *synth, int chan);
+FLUIDSYNTH_API int fluid_synth_all_sounds_off(fluid_synth_t *synth, int chan);
+
+FLUIDSYNTH_API int fluid_synth_set_gen(fluid_synth_t *synth, int chan,
+                                       int param, float value);
+FLUIDSYNTH_API float fluid_synth_get_gen(fluid_synth_t *synth, int chan, int param);
+/** @} MIDI Channel Messages */
+
+
+/**
+ * @defgroup voice_control Synthesis Voice Control
+ * @ingroup synth
+ *
+ * Low-level access to synthesis voices.
+ *
+ * @{
+ */
+FLUIDSYNTH_API int fluid_synth_start(fluid_synth_t *synth, unsigned int id,
+                                     fluid_preset_t *preset, int audio_chan,
+                                     int midi_chan, int key, int vel);
+FLUIDSYNTH_API int fluid_synth_stop(fluid_synth_t *synth, unsigned int id);
+
+FLUIDSYNTH_API fluid_voice_t *fluid_synth_alloc_voice(fluid_synth_t *synth,
+        fluid_sample_t *sample,
+        int channum, int key, int vel);
+FLUIDSYNTH_API void fluid_synth_start_voice(fluid_synth_t *synth, fluid_voice_t *voice);
+FLUIDSYNTH_API void fluid_synth_get_voicelist(fluid_synth_t *synth,
+        fluid_voice_t *buf[], int bufsize, int ID);
+/** @} Voice Control */
+
+
+/**
+ * @defgroup soundfont_management SoundFont Management
+ * @ingroup synth
+ *
+ * Functions to load and unload SoundFonts.
+ *
+ * @{
+ */
+FLUIDSYNTH_API
+int fluid_synth_sfload(fluid_synth_t *synth, const char *filename, int reset_presets);
+FLUIDSYNTH_API int fluid_synth_sfreload(fluid_synth_t *synth, int id);
+FLUIDSYNTH_API int fluid_synth_sfunload(fluid_synth_t *synth, int id, int reset_presets);
+FLUIDSYNTH_API int fluid_synth_add_sfont(fluid_synth_t *synth, fluid_sfont_t *sfont);
+FLUIDSYNTH_API int fluid_synth_remove_sfont(fluid_synth_t *synth, fluid_sfont_t *sfont);
+FLUIDSYNTH_API int fluid_synth_sfcount(fluid_synth_t *synth);
+FLUIDSYNTH_API fluid_sfont_t *fluid_synth_get_sfont(fluid_synth_t *synth, unsigned int num);
+FLUIDSYNTH_API fluid_sfont_t *fluid_synth_get_sfont_by_id(fluid_synth_t *synth, int id);
+FLUIDSYNTH_API fluid_sfont_t *fluid_synth_get_sfont_by_name(fluid_synth_t *synth,
+        const char *name);
+FLUIDSYNTH_API int fluid_synth_set_bank_offset(fluid_synth_t *synth, int sfont_id, int offset);
+FLUIDSYNTH_API int fluid_synth_get_bank_offset(fluid_synth_t *synth, int sfont_id);
+/** @} Soundfont Management */
+
+
+/**
+ * @defgroup reverb_effect Effect - Reverb
+ * @ingroup synth
+ *
+ * Functions for configuring the built-in reverb effect
+ *
+ * @{
+ */
+FLUID_DEPRECATED FLUIDSYNTH_API void fluid_synth_set_reverb_on(fluid_synth_t *synth, int on);
+FLUIDSYNTH_API int fluid_synth_reverb_on(fluid_synth_t *synth, int fx_group, int on);
+
+FLUID_DEPRECATED FLUIDSYNTH_API int fluid_synth_set_reverb(fluid_synth_t *synth, double roomsize,
+                                          double damping, double width, double level);
+FLUID_DEPRECATED FLUIDSYNTH_API int fluid_synth_set_reverb_roomsize(fluid_synth_t *synth, double roomsize);
+FLUID_DEPRECATED FLUIDSYNTH_API int fluid_synth_set_reverb_damp(fluid_synth_t *synth, double damping);
+FLUID_DEPRECATED FLUIDSYNTH_API int fluid_synth_set_reverb_width(fluid_synth_t *synth, double width);
+FLUID_DEPRECATED FLUIDSYNTH_API int fluid_synth_set_reverb_level(fluid_synth_t *synth, double level);
+
+FLUID_DEPRECATED FLUIDSYNTH_API double fluid_synth_get_reverb_roomsize(fluid_synth_t *synth);
+FLUID_DEPRECATED FLUIDSYNTH_API double fluid_synth_get_reverb_damp(fluid_synth_t *synth);
+FLUID_DEPRECATED FLUIDSYNTH_API double fluid_synth_get_reverb_level(fluid_synth_t *synth);
+FLUID_DEPRECATED FLUIDSYNTH_API double fluid_synth_get_reverb_width(fluid_synth_t *synth);
+
+FLUIDSYNTH_API int fluid_synth_set_reverb_group_roomsize(fluid_synth_t *synth, int fx_group, double roomsize);
+FLUIDSYNTH_API int fluid_synth_set_reverb_group_damp(fluid_synth_t *synth, int fx_group, double damping);
+FLUIDSYNTH_API int fluid_synth_set_reverb_group_width(fluid_synth_t *synth, int fx_group, double width);
+FLUIDSYNTH_API int fluid_synth_set_reverb_group_level(fluid_synth_t *synth, int fx_group, double level);
+
+FLUIDSYNTH_API int fluid_synth_get_reverb_group_roomsize(fluid_synth_t *synth, int fx_group, double *roomsize);
+FLUIDSYNTH_API int fluid_synth_get_reverb_group_damp(fluid_synth_t *synth, int fx_group, double *damping);
+FLUIDSYNTH_API int fluid_synth_get_reverb_group_width(fluid_synth_t *synth, int fx_group, double *width);
+FLUIDSYNTH_API int fluid_synth_get_reverb_group_level(fluid_synth_t *synth, int fx_group, double *level);
+ /** @} Reverb */
+
+
+/**
+ * @defgroup chorus_effect Effect - Chorus
+ * @ingroup synth
+ *
+ * Functions for configuring the built-in chorus effect
+ *
+ * @{
+ */
+
+/**
+ * Chorus modulation waveform type.
+ */
+enum fluid_chorus_mod
+{
+    FLUID_CHORUS_MOD_SINE = 0,            /**< Sine wave chorus modulation */
+    FLUID_CHORUS_MOD_TRIANGLE = 1         /**< Triangle wave chorus modulation */
+};
+
+
+FLUID_DEPRECATED FLUIDSYNTH_API void fluid_synth_set_chorus_on(fluid_synth_t *synth, int on);
+FLUIDSYNTH_API int fluid_synth_chorus_on(fluid_synth_t *synth, int fx_group, int on);
+
+FLUID_DEPRECATED FLUIDSYNTH_API int fluid_synth_set_chorus(fluid_synth_t *synth, int nr, double level,
+                                          double speed, double depth_ms, int type);
+FLUID_DEPRECATED FLUIDSYNTH_API int fluid_synth_set_chorus_nr(fluid_synth_t *synth, int nr);
+FLUID_DEPRECATED FLUIDSYNTH_API int fluid_synth_set_chorus_level(fluid_synth_t *synth, double level);
+FLUID_DEPRECATED FLUIDSYNTH_API int fluid_synth_set_chorus_speed(fluid_synth_t *synth, double speed);
+FLUID_DEPRECATED FLUIDSYNTH_API int fluid_synth_set_chorus_depth(fluid_synth_t *synth, double depth_ms);
+FLUID_DEPRECATED FLUIDSYNTH_API int fluid_synth_set_chorus_type(fluid_synth_t *synth, int type);
+
+FLUID_DEPRECATED FLUIDSYNTH_API int fluid_synth_get_chorus_nr(fluid_synth_t *synth);
+FLUID_DEPRECATED FLUIDSYNTH_API double fluid_synth_get_chorus_level(fluid_synth_t *synth);
+FLUID_DEPRECATED FLUIDSYNTH_API double fluid_synth_get_chorus_speed(fluid_synth_t *synth);
+FLUID_DEPRECATED FLUIDSYNTH_API double fluid_synth_get_chorus_depth(fluid_synth_t *synth);
+FLUID_DEPRECATED FLUIDSYNTH_API int fluid_synth_get_chorus_type(fluid_synth_t *synth); /* see fluid_chorus_mod */
+
+FLUIDSYNTH_API int fluid_synth_set_chorus_group_nr(fluid_synth_t *synth, int fx_group, int nr);
+FLUIDSYNTH_API int fluid_synth_set_chorus_group_level(fluid_synth_t *synth, int fx_group, double level);
+FLUIDSYNTH_API int fluid_synth_set_chorus_group_speed(fluid_synth_t *synth, int fx_group, double speed);
+FLUIDSYNTH_API int fluid_synth_set_chorus_group_depth(fluid_synth_t *synth, int fx_group, double depth_ms);
+FLUIDSYNTH_API int fluid_synth_set_chorus_group_type(fluid_synth_t *synth, int fx_group, int type);
+
+FLUIDSYNTH_API int fluid_synth_get_chorus_group_nr(fluid_synth_t *synth, int fx_group, int *nr);
+FLUIDSYNTH_API int fluid_synth_get_chorus_group_level(fluid_synth_t *synth, int fx_group, double *level);
+FLUIDSYNTH_API int fluid_synth_get_chorus_group_speed(fluid_synth_t *synth, int fx_group, double *speed);
+FLUIDSYNTH_API int fluid_synth_get_chorus_group_depth(fluid_synth_t *synth, int fx_group, double *depth_ms);
+FLUIDSYNTH_API int fluid_synth_get_chorus_group_type(fluid_synth_t *synth, int fx_group, int *type);
+/** @} Chorus */
+
+/**
+ * @defgroup synthesis_params Synthesis Parameters
+ * @ingroup synth
+ *
+ * Functions to control and query synthesis parameters like gain and
+ * polyphony count.
+ *
+ * @{
+ */
+FLUIDSYNTH_API int fluid_synth_count_midi_channels(fluid_synth_t *synth);
+FLUIDSYNTH_API int fluid_synth_count_audio_channels(fluid_synth_t *synth);
+FLUIDSYNTH_API int fluid_synth_count_audio_groups(fluid_synth_t *synth);
+FLUIDSYNTH_API int fluid_synth_count_effects_channels(fluid_synth_t *synth);
+FLUIDSYNTH_API int fluid_synth_count_effects_groups(fluid_synth_t *synth);
+
+FLUID_DEPRECATED FLUIDSYNTH_API void fluid_synth_set_sample_rate(fluid_synth_t *synth, float sample_rate);
+FLUIDSYNTH_API void fluid_synth_set_gain(fluid_synth_t *synth, float gain);
+FLUIDSYNTH_API float fluid_synth_get_gain(fluid_synth_t *synth);
+FLUIDSYNTH_API int fluid_synth_set_polyphony(fluid_synth_t *synth, int polyphony);
+FLUIDSYNTH_API int fluid_synth_get_polyphony(fluid_synth_t *synth);
+FLUIDSYNTH_API int fluid_synth_get_active_voice_count(fluid_synth_t *synth);
+FLUIDSYNTH_API int fluid_synth_get_internal_bufsize(fluid_synth_t *synth);
+
+FLUIDSYNTH_API
+int fluid_synth_set_interp_method(fluid_synth_t *synth, int chan, int interp_method);
+
+/**
+ * Synthesis interpolation method.
+ */
+enum fluid_interp
+{
+    FLUID_INTERP_NONE = 0,        /**< No interpolation: Fastest, but questionable audio quality */
+    FLUID_INTERP_LINEAR = 1,      /**< Straight-line interpolation: A bit slower, reasonable audio quality */
+    FLUID_INTERP_4THORDER = 4,    /**< Fourth-order interpolation, good quality, the default */
+    FLUID_INTERP_7THORDER = 7,    /**< Seventh-order interpolation */
+
+    FLUID_INTERP_DEFAULT = FLUID_INTERP_4THORDER, /**< Default interpolation method */
+    FLUID_INTERP_HIGHEST = FLUID_INTERP_7THORDER, /**< Highest interpolation method */
+};
+
+/**
+ * Enum used with fluid_synth_add_default_mod() to specify how to handle duplicate modulators.
+ */
+enum fluid_synth_add_mod
+{
+    FLUID_SYNTH_OVERWRITE,        /**< Overwrite any existing matching modulator */
+    FLUID_SYNTH_ADD,              /**< Sum up modulator amounts */
+};
+
+FLUIDSYNTH_API int fluid_synth_add_default_mod(fluid_synth_t *synth, const fluid_mod_t *mod, int mode);
+FLUIDSYNTH_API int fluid_synth_remove_default_mod(fluid_synth_t *synth, const fluid_mod_t *mod);
+/** @} Synthesis Parameters */
+
+
+/**
+ * @defgroup tuning MIDI Tuning
+ * @ingroup synth
+ *
+ * The functions in this section implement the MIDI Tuning Standard interface.
+ *
+ * @{
+ */
+FLUIDSYNTH_API
+int fluid_synth_activate_key_tuning(fluid_synth_t *synth, int bank, int prog,
+                                    const char *name, const double *pitch, int apply);
+FLUIDSYNTH_API
+int fluid_synth_activate_octave_tuning(fluid_synth_t *synth, int bank, int prog,
+                                       const char *name, const double *pitch, int apply);
+FLUIDSYNTH_API
+int fluid_synth_tune_notes(fluid_synth_t *synth, int bank, int prog,
+                           int len, const int *keys, const double *pitch, int apply);
+FLUIDSYNTH_API
+int fluid_synth_activate_tuning(fluid_synth_t *synth, int chan, int bank, int prog,
+                                int apply);
+FLUIDSYNTH_API
+int fluid_synth_deactivate_tuning(fluid_synth_t *synth, int chan, int apply);
+FLUIDSYNTH_API void fluid_synth_tuning_iteration_start(fluid_synth_t *synth);
+FLUIDSYNTH_API
+int fluid_synth_tuning_iteration_next(fluid_synth_t *synth, int *bank, int *prog);
+FLUIDSYNTH_API int fluid_synth_tuning_dump(fluid_synth_t *synth, int bank, int prog,
+        char *name, int len, double *pitch);
+/** @} MIDI Tuning */
+
+
+/**
+ * @defgroup audio_rendering Audio Rendering
+ * @ingroup synth
+ *
+ * The functions in this section can be used to render audio directly to
+ * memory buffers. They are used internally by the \ref audio_driver and \ref file_renderer,
+ * but can also be used manually for custom processing of the rendered audio.
+ *
+ * @note Please note that all following functions block during rendering. If your goal is to
+ * render real-time audio, ensure that you call these functions from a high-priority
+ * thread with little to no other duties other than calling the rendering functions.
+ *
+ * @warning
+ * If a concurrently running thread calls any other sound affecting synth function
+ * (e.g. fluid_synth_noteon(), fluid_synth_cc(), etc.) it is unspecified whether the event triggered by such a call
+ * will be effective in the recently synthesized audio. While this is inaudible when only requesting small chunks from the
+ * synth with every call (cf. fluid_synth_get_internal_bufsize()), it will become evident when requesting larger sample chunks:
+ * With larger sample chunks it will get harder for the synth to react on those spontaneously occurring events in time
+ * (like events received from a MIDI driver, or directly made synth API calls).
+ * In those real-time scenarios, prefer requesting smaller
+ * sample chunks from the synth with each call, to avoid poor quantization of your events in the synthesized audio.
+ * This issue is not applicable when using the MIDI player or sequencer for event dispatching. Also
+ * refer to the documentation of \setting{audio_period-size}.
+ *
+ * @{
+ */
+FLUIDSYNTH_API int fluid_synth_write_s16(fluid_synth_t *synth, int len,
+        void *lout, int loff, int lincr,
+        void *rout, int roff, int rincr);
+FLUIDSYNTH_API int fluid_synth_write_float(fluid_synth_t *synth, int len,
+        void *lout, int loff, int lincr,
+        void *rout, int roff, int rincr);
+FLUID_DEPRECATED FLUIDSYNTH_API int fluid_synth_nwrite_float(fluid_synth_t *synth, int len,
+        float **left, float **right,
+        float **fx_left, float **fx_right);
+FLUIDSYNTH_API int fluid_synth_process(fluid_synth_t *synth, int len,
+                                       int nfx, float *fx[],
+                                       int nout, float *out[]);
+/** @} Audio Rendering */
+
+
+/**
+ * @defgroup iir_filter Effect - IIR Filter
+ * @ingroup synth
+ *
+ * Functions for configuring the built-in IIR filter effect
+ *
+ * @{
+ */
+
+/**
+ * Specifies the type of filter to use for the custom IIR filter
+ */
+enum fluid_iir_filter_type
+{
+    FLUID_IIR_DISABLED = 0, /**< Custom IIR filter is not operating */
+    FLUID_IIR_LOWPASS, /**< Custom IIR filter is operating as low-pass filter */
+    FLUID_IIR_HIGHPASS, /**< Custom IIR filter is operating as high-pass filter */
+    FLUID_IIR_LAST /**< @internal Value defines the count of filter types (#fluid_iir_filter_type) @warning This symbol is not part of the public API and ABI stability guarantee and may change at any time! */
+};
+
+/**
+ * Specifies optional settings to use for the custom IIR filter. Can be bitwise ORed.
+ */
+enum fluid_iir_filter_flags
+{
+    FLUID_IIR_Q_LINEAR = 1 << 0, /**< The Soundfont spec requires the filter Q to be interpreted in dB. If this flag is set the filter Q is instead assumed to be in a linear range */
+    FLUID_IIR_Q_ZERO_OFF = 1 << 1, /**< If this flag the filter is switched off if Q == 0 (prior to any transformation) */
+    FLUID_IIR_NO_GAIN_AMP = 1 << 2 /**< The Soundfont spec requires to correct the gain of the filter depending on the filter's Q. If this flag is set the filter gain will not be corrected. */
+};
+
+FLUIDSYNTH_API int fluid_synth_set_custom_filter(fluid_synth_t *, int type, int flags);
+/** @} IIR Filter */
+
+
+
+
+/**
+ * @defgroup channel_setup MIDI Channel Setup
+ * @ingroup synth
+ *
+ * The functions in this section provide interfaces to change the channel type
+ * and to configure basic channels, legato and portamento setups.
+ *
+ * @{
+ */
+
+/** @name Channel Type
+ * @{
+ */
+
+/**
+ * The midi channel type used by fluid_synth_set_channel_type()
+ */
+enum fluid_midi_channel_type
+{
+    CHANNEL_TYPE_MELODIC = 0, /**< Melodic midi channel */
+    CHANNEL_TYPE_DRUM = 1 /**< Drum midi channel */
+};
+
+FLUIDSYNTH_API int fluid_synth_set_channel_type(fluid_synth_t *synth, int chan, int type);
+/** @} Channel Type */
+
+
+/** @name Basic Channel Mode
+ * @{
+ */
+
+/**
+ * Channel mode bits OR-ed together so that it matches with the midi spec: poly omnion (0), mono omnion (1), poly omnioff (2), mono omnioff (3)
+ */
+enum fluid_channel_mode_flags
+{
+    FLUID_CHANNEL_POLY_OFF = 0x01, /**< if flag is set, the basic channel is in mono on state, if not set poly is on */
+    FLUID_CHANNEL_OMNI_OFF = 0x02, /**< if flag is set, the basic channel is in omni off state, if not set omni is on */
+};
+
+/**
+ * Indicates the mode a basic channel is set to
+ */
+enum fluid_basic_channel_modes
+{
+    FLUID_CHANNEL_MODE_MASK = (FLUID_CHANNEL_OMNI_OFF | FLUID_CHANNEL_POLY_OFF), /**< Mask Poly and Omni bits of #fluid_channel_mode_flags, usually only used internally */
+    FLUID_CHANNEL_MODE_OMNION_POLY = FLUID_CHANNEL_MODE_MASK & (~FLUID_CHANNEL_OMNI_OFF & ~FLUID_CHANNEL_POLY_OFF), /**< corresponds to MIDI mode 0 */
+    FLUID_CHANNEL_MODE_OMNION_MONO = FLUID_CHANNEL_MODE_MASK & (~FLUID_CHANNEL_OMNI_OFF & FLUID_CHANNEL_POLY_OFF), /**< corresponds to MIDI mode 1 */
+    FLUID_CHANNEL_MODE_OMNIOFF_POLY = FLUID_CHANNEL_MODE_MASK & (FLUID_CHANNEL_OMNI_OFF & ~FLUID_CHANNEL_POLY_OFF), /**< corresponds to MIDI mode 2 */
+    FLUID_CHANNEL_MODE_OMNIOFF_MONO = FLUID_CHANNEL_MODE_MASK & (FLUID_CHANNEL_OMNI_OFF | FLUID_CHANNEL_POLY_OFF), /**< corresponds to MIDI mode 3 */
+    FLUID_CHANNEL_MODE_LAST /**< @internal Value defines the count of basic channel modes (#fluid_basic_channel_modes) @warning This symbol is not part of the public API and ABI stability guarantee and may change at any time! */
+};
+
+FLUIDSYNTH_API int fluid_synth_reset_basic_channel(fluid_synth_t *synth, int chan);
+
+FLUIDSYNTH_API int  fluid_synth_get_basic_channel(fluid_synth_t *synth, int chan,
+        int *basic_chan_out,
+        int *mode_chan_out,
+        int *basic_val_out);
+FLUIDSYNTH_API int fluid_synth_set_basic_channel(fluid_synth_t *synth, int chan, int mode, int val);
+
+/** @} Basic Channel Mode */
+
+/** @name Legato Mode
+ * @{
+ */
+
+/**
+ * Indicates the legato mode a channel is set to
+ * n1,n2,n3,.. is a legato passage. n1 is the first note, and n2,n3,n4 are played legato with previous note. */
+enum fluid_channel_legato_mode
+{
+    FLUID_CHANNEL_LEGATO_MODE_RETRIGGER, /**< Mode 0 - Release previous note, start a new note */
+    FLUID_CHANNEL_LEGATO_MODE_MULTI_RETRIGGER, /**< Mode 1 - On contiguous notes retrigger in attack section using current value, shape attack using current dynamic and make use of previous voices if any */
+    FLUID_CHANNEL_LEGATO_MODE_LAST /**< @internal Value defines the count of legato modes (#fluid_channel_legato_mode) @warning This symbol is not part of the public API and ABI stability guarantee and may change at any time! */
+};
+
+FLUIDSYNTH_API int fluid_synth_set_legato_mode(fluid_synth_t *synth, int chan, int legatomode);
+FLUIDSYNTH_API int fluid_synth_get_legato_mode(fluid_synth_t *synth, int chan, int  *legatomode);
+/** @} Legato Mode */
+
+/** @name Portamento Mode
+ * @{
+ */
+
+/**
+ * Indicates the portamento mode a channel is set to
+ */
+enum fluid_channel_portamento_mode
+{
+    FLUID_CHANNEL_PORTAMENTO_MODE_EACH_NOTE, /**< Mode 0 - Portamento on each note (staccato or legato) */
+    FLUID_CHANNEL_PORTAMENTO_MODE_LEGATO_ONLY, /**< Mode 1 - Portamento only on legato note */
+    FLUID_CHANNEL_PORTAMENTO_MODE_STACCATO_ONLY, /**< Mode 2 - Portamento only on staccato note */
+    FLUID_CHANNEL_PORTAMENTO_MODE_LAST /**< @internal Value defines the count of portamento modes
+                                         @warning This symbol is not part of the public API and ABI
+                                         stability guarantee and may change at any time! */
+};
+
+FLUIDSYNTH_API int fluid_synth_set_portamento_mode(fluid_synth_t *synth,
+        int chan, int portamentomode);
+FLUIDSYNTH_API int fluid_synth_get_portamento_mode(fluid_synth_t *synth,
+        int chan, int   *portamentomode);
+/** @} Portamento Mode */
+
+/**@name Breath Mode
+ * @{
+ */
+
+/**
+ * Indicates the breath mode a channel is set to
+ */
+enum fluid_channel_breath_flags
+{
+    FLUID_CHANNEL_BREATH_POLY = 0x10,  /**< when channel is poly, this flag indicates that the default velocity to initial attenuation modulator is replaced by a breath to initial attenuation modulator */
+    FLUID_CHANNEL_BREATH_MONO = 0x20,  /**< when channel is mono, this flag indicates that the default velocity to initial attenuation modulator is replaced by a breath modulator */
+    FLUID_CHANNEL_BREATH_SYNC = 0x40,  /**< when channel is mono, this flag indicates that the breath controller(MSB)triggers noteon/noteoff on the running note */
+};
+
+FLUIDSYNTH_API int fluid_synth_set_breath_mode(fluid_synth_t *synth,
+        int chan, int breathmode);
+FLUIDSYNTH_API int fluid_synth_get_breath_mode(fluid_synth_t *synth,
+        int chan, int  *breathmode);
+/** @} Breath Mode */
+/** @} MIDI Channel Setup */
+
+
+/** @ingroup settings */
+FLUIDSYNTH_API fluid_settings_t *fluid_synth_get_settings(fluid_synth_t *synth);
+
+/** @ingroup soundfont_loader */
+FLUIDSYNTH_API void fluid_synth_add_sfloader(fluid_synth_t *synth, fluid_sfloader_t *loader);
+
+/** @ingroup soundfont_loader */
+FLUIDSYNTH_API fluid_preset_t *fluid_synth_get_channel_preset(fluid_synth_t *synth, int chan);
+
+/** @ingroup midi_input */
+FLUIDSYNTH_API int fluid_synth_handle_midi_event(void *data, fluid_midi_event_t *event);
+
+/** @ingroup soundfonts */
+FLUIDSYNTH_API
+int fluid_synth_pin_preset(fluid_synth_t *synth, int sfont_id, int bank_num, int preset_num);
+
+/** @ingroup soundfonts */
+FLUIDSYNTH_API
+int fluid_synth_unpin_preset(fluid_synth_t *synth, int sfont_id, int bank_num, int preset_num);
+
+/** @ingroup ladspa */
+FLUIDSYNTH_API fluid_ladspa_fx_t *fluid_synth_get_ladspa_fx(fluid_synth_t *synth);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _FLUIDSYNTH_SYNTH_H */
diff --git a/libs/fluidsynth/include/fluidsynth/types.h b/libs/fluidsynth/include/fluidsynth/types.h
new file mode 100644
index 00000000000..9c2aaadacaa
--- /dev/null
+++ b/libs/fluidsynth/include/fluidsynth/types.h
@@ -0,0 +1,85 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#ifndef _FLUIDSYNTH_TYPES_H
+#define _FLUIDSYNTH_TYPES_H
+
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/**
+ * @defgroup Types Types
+ * @brief Type declarations
+ *
+ * @{
+ */
+
+typedef struct _fluid_hashtable_t fluid_settings_t;             /**< Configuration settings instance */
+typedef struct _fluid_synth_t fluid_synth_t;                    /**< Synthesizer instance */
+typedef struct _fluid_voice_t fluid_voice_t;                    /**< Synthesis voice instance */
+typedef struct _fluid_sfloader_t fluid_sfloader_t;              /**< SoundFont loader plugin */
+typedef struct _fluid_sfont_t fluid_sfont_t;                    /**< SoundFont */
+typedef struct _fluid_preset_t fluid_preset_t;                  /**< SoundFont preset */
+typedef struct _fluid_sample_t fluid_sample_t;                  /**< SoundFont sample */
+typedef struct _fluid_mod_t fluid_mod_t;                        /**< SoundFont modulator */
+typedef struct _fluid_audio_driver_t fluid_audio_driver_t;      /**< Audio driver instance */
+typedef struct _fluid_file_renderer_t fluid_file_renderer_t;    /**< Audio file renderer instance */
+typedef struct _fluid_player_t fluid_player_t;                  /**< MIDI player instance */
+typedef struct _fluid_midi_event_t fluid_midi_event_t;          /**< MIDI event */
+typedef struct _fluid_midi_driver_t fluid_midi_driver_t;        /**< MIDI driver instance */
+typedef struct _fluid_midi_router_t fluid_midi_router_t;        /**< MIDI router instance */
+typedef struct _fluid_midi_router_rule_t fluid_midi_router_rule_t;      /**< MIDI router rule */
+typedef struct _fluid_hashtable_t fluid_cmd_hash_t;             /**< Command handler hash table */
+typedef struct _fluid_shell_t fluid_shell_t;                    /**< Command shell */
+typedef struct _fluid_server_t fluid_server_t;                  /**< TCP/IP shell server instance */
+typedef struct _fluid_event_t fluid_event_t;                    /**< Sequencer event */
+typedef struct _fluid_sequencer_t fluid_sequencer_t;            /**< Sequencer instance */
+typedef struct _fluid_ramsfont_t fluid_ramsfont_t;              /**< RAM SoundFont */
+typedef struct _fluid_rampreset_t fluid_rampreset_t;            /**< RAM SoundFont preset */
+typedef struct _fluid_cmd_handler_t fluid_cmd_handler_t;        /**< Shell Command Handler */
+typedef struct _fluid_ladspa_fx_t fluid_ladspa_fx_t;            /**< LADSPA effects instance */
+typedef struct _fluid_file_callbacks_t fluid_file_callbacks_t;  /**< Callback struct to perform custom file loading of soundfonts */
+
+typedef int fluid_istream_t;    /**< Input stream descriptor */
+typedef int fluid_ostream_t;    /**< Output stream descriptor */
+
+typedef short fluid_seq_id_t; /**< Unique client IDs used by the sequencer and #fluid_event_t, obtained by fluid_sequencer_register_client() and fluid_sequencer_register_fluidsynth() */
+
+#if defined(_MSC_VER) && (_MSC_VER < 1800)
+typedef __int64 fluid_long_long_t; // even on 32bit windows
+#else
+/**
+ * A typedef for C99's type long long, which is at least 64-bit wide, as guaranteed by the C99.
+ * @p __int64 will be used as replacement for VisualStudio 2010 and older.
+ */
+typedef long long fluid_long_long_t;
+#endif
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _FLUIDSYNTH_TYPES_H */
diff --git a/libs/fluidsynth/include/fluidsynth/version.h b/libs/fluidsynth/include/fluidsynth/version.h
new file mode 100644
index 00000000000..e7e4d4a5a62
--- /dev/null
+++ b/libs/fluidsynth/include/fluidsynth/version.h
@@ -0,0 +1,47 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *  
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#ifndef _FLUIDSYNTH_VERSION_H
+#define _FLUIDSYNTH_VERSION_H
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @addtogroup misc
+ *
+ * @{
+ */
+#define FLUIDSYNTH_VERSION       "2.3.3"     /**< String constant of libfluidsynth version. */
+#define FLUIDSYNTH_VERSION_MAJOR 2     /**< libfluidsynth major version integer constant. */
+#define FLUIDSYNTH_VERSION_MINOR 3     /**< libfluidsynth minor version integer constant. */
+#define FLUIDSYNTH_VERSION_MICRO 3     /**< libfluidsynth micro version integer constant. */
+
+FLUIDSYNTH_API void fluid_version(int *major, int *minor, int *micro);
+FLUIDSYNTH_API char* fluid_version_str(void);
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _FLUIDSYNTH_VERSION_H */
diff --git a/libs/fluidsynth/include/fluidsynth/voice.h b/libs/fluidsynth/include/fluidsynth/voice.h
new file mode 100644
index 00000000000..1d31cbaeaf1
--- /dev/null
+++ b/libs/fluidsynth/include/fluidsynth/voice.h
@@ -0,0 +1,77 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#ifndef _FLUIDSYNTH_VOICE_H
+#define _FLUIDSYNTH_VOICE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup voices Voice Manipulation
+ * @ingroup soundfonts
+ *
+ * Synthesis voice manipulation functions.
+ *
+ * The interface to the synthesizer's voices.
+ * Examples on using them can be found in the source code of the default SoundFont
+ * loader (fluid_defsfont.c).
+ *
+ * Most of these functions should only be called from within synthesis context,
+ * such as the SoundFont loader's noteon method.
+ *
+ * @{
+ */
+
+/**
+ * Enum used with fluid_voice_add_mod() to specify how to handle duplicate modulators.
+ */
+enum fluid_voice_add_mod
+{
+    FLUID_VOICE_OVERWRITE,        /**< Overwrite any existing matching modulator */
+    FLUID_VOICE_ADD,              /**< Add (sum) modulator amounts */
+    FLUID_VOICE_DEFAULT           /**< For default modulators only, no need to check for duplicates */
+};
+
+FLUIDSYNTH_API void fluid_voice_add_mod(fluid_voice_t *voice, fluid_mod_t *mod, int mode);
+FLUIDSYNTH_API float fluid_voice_gen_get(fluid_voice_t *voice, int gen);
+FLUIDSYNTH_API void fluid_voice_gen_set(fluid_voice_t *voice, int gen, float val);
+FLUIDSYNTH_API void fluid_voice_gen_incr(fluid_voice_t *voice, int gen, float val);
+
+FLUIDSYNTH_API unsigned int fluid_voice_get_id(const fluid_voice_t *voice);
+FLUIDSYNTH_API int fluid_voice_get_channel(const fluid_voice_t *voice);
+FLUIDSYNTH_API int fluid_voice_get_key(const fluid_voice_t *voice);
+FLUIDSYNTH_API int fluid_voice_get_actual_key(const fluid_voice_t *voice);
+FLUIDSYNTH_API int fluid_voice_get_velocity(const fluid_voice_t *voice);
+FLUIDSYNTH_API int fluid_voice_get_actual_velocity(const fluid_voice_t *voice);
+FLUIDSYNTH_API int fluid_voice_is_playing(const fluid_voice_t *voice);
+FLUIDSYNTH_API int fluid_voice_is_on(const fluid_voice_t *voice);
+FLUIDSYNTH_API int fluid_voice_is_sustained(const fluid_voice_t *voice);
+FLUIDSYNTH_API int fluid_voice_is_sostenuto(const fluid_voice_t *voice);
+FLUIDSYNTH_API int fluid_voice_optimize_sample(fluid_sample_t *s);
+FLUIDSYNTH_API void fluid_voice_update_param(fluid_voice_t *voice, int gen);
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* _FLUIDSYNTH_VOICE_H */
+
diff --git a/libs/fluidsynth/src/bindings/fluid_ladspa.h b/libs/fluidsynth/src/bindings/fluid_ladspa.h
new file mode 100644
index 00000000000..80952d51ea9
--- /dev/null
+++ b/libs/fluidsynth/src/bindings/fluid_ladspa.h
@@ -0,0 +1,36 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#ifndef _FLUID_LADSPA_H
+#define _FLUID_LADSPA_H
+
+#include "fluid_sys.h"
+
+fluid_ladspa_fx_t *new_fluid_ladspa_fx(fluid_real_t sample_rate, int buffer_size);
+void delete_fluid_ladspa_fx(fluid_ladspa_fx_t *fx);
+
+int fluid_ladspa_set_sample_rate(fluid_ladspa_fx_t *fx, fluid_real_t sample_rate);
+
+void fluid_ladspa_run(fluid_ladspa_fx_t *fx, int block_count, int block_size);
+
+int fluid_ladspa_add_host_ports(fluid_ladspa_fx_t *fx, const char *prefix,
+                                int num_buffers, fluid_real_t buffers[], int buf_stride);
+
+#endif /* _FLUID_LADSPA_H */
diff --git a/libs/fluidsynth/src/midi/fluid_midi.c b/libs/fluidsynth/src/midi/fluid_midi.c
new file mode 100644
index 00000000000..c8ad9d2c5cd
--- /dev/null
+++ b/libs/fluidsynth/src/midi/fluid_midi.c
@@ -0,0 +1,2851 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#include "fluid_midi.h"
+#include "fluid_sys.h"
+#include "fluid_synth.h"
+#include "fluid_settings.h"
+
+
+static int fluid_midi_event_length(unsigned char event);
+static int fluid_isasciistring(char *s);
+static long fluid_getlength(const unsigned char *s);
+
+
+/* Read the entire contents of a file into memory, allocating enough memory
+ * for the file, and returning the length and the buffer.
+ * Note: This rewinds the file to the start before reading.
+ * Returns NULL if there was an error reading or allocating memory.
+ */
+typedef FILE  *fluid_file;
+static char *fluid_file_read_full(fluid_file fp, size_t *length);
+static void fluid_midi_event_set_sysex_LOCAL(fluid_midi_event_t *evt, int type, void *data, int size, int dynamic);
+static void fluid_midi_event_get_sysex_LOCAL(fluid_midi_event_t *evt, void **data, int *size);
+#define READ_FULL_INITIAL_BUFLEN 1024
+
+static fluid_track_t *new_fluid_track(int num);
+static void delete_fluid_track(fluid_track_t *track);
+static int fluid_track_set_name(fluid_track_t *track, char *name);
+static int fluid_track_add_event(fluid_track_t *track, fluid_midi_event_t *evt);
+static fluid_midi_event_t *fluid_track_next_event(fluid_track_t *track);
+static int fluid_track_get_duration(fluid_track_t *track);
+static int fluid_track_reset(fluid_track_t *track);
+
+static int fluid_player_add_track(fluid_player_t *player, fluid_track_t *track);
+static int fluid_player_callback(void *data, unsigned int msec);
+static int fluid_player_reset(fluid_player_t *player);
+static int fluid_player_load(fluid_player_t *player, fluid_playlist_item *item);
+static void fluid_player_advancefile(fluid_player_t *player);
+static void fluid_player_playlist_load(fluid_player_t *player, unsigned int msec);
+static void fluid_player_update_tempo(fluid_player_t *player);
+
+static fluid_midi_file *new_fluid_midi_file(const char *buffer, size_t length);
+static void delete_fluid_midi_file(fluid_midi_file *mf);
+static int fluid_midi_file_read_mthd(fluid_midi_file *midifile);
+static int fluid_midi_file_load_tracks(fluid_midi_file *midifile, fluid_player_t *player);
+static int fluid_midi_file_read_track(fluid_midi_file *mf, fluid_player_t *player, int num);
+static int fluid_midi_file_read_event(fluid_midi_file *mf, fluid_track_t *track);
+static int fluid_midi_file_read_varlen(fluid_midi_file *mf);
+static int fluid_midi_file_getc(fluid_midi_file *mf);
+static int fluid_midi_file_push(fluid_midi_file *mf, int c);
+static int fluid_midi_file_read(fluid_midi_file *mf, void *buf, int len);
+static int fluid_midi_file_skip(fluid_midi_file *mf, int len);
+static int fluid_midi_file_eof(fluid_midi_file *mf);
+static int fluid_midi_file_read_tracklen(fluid_midi_file *mf);
+static int fluid_midi_file_eot(fluid_midi_file *mf);
+static int fluid_midi_file_get_division(fluid_midi_file *midifile);
+
+
+/***************************************************************
+ *
+ *                      MIDIFILE
+ */
+
+/**
+ * Check if a file is a MIDI file.
+ * @param filename Path to the file to check
+ * @return TRUE if it could be a MIDI file, FALSE otherwise
+ *
+ * The current implementation only checks for the "MThd" header in the file.
+ * It is useful only to distinguish between SoundFont and MIDI files.
+ */
+int fluid_is_midifile(const char *filename)
+{
+    FILE    *fp;
+    uint32_t id;
+    int      retcode = FALSE;
+
+    do
+    {
+        if((fp = fluid_file_open(filename, NULL)) == NULL)
+        {
+            return retcode;
+        }
+        
+        if(FLUID_FREAD(&id, sizeof(id), 1, fp) != 1)
+        {
+            break;
+        }
+
+        retcode = (id == FLUID_FOURCC('M', 'T', 'h', 'd'));
+    }
+    while(0);
+
+    FLUID_FCLOSE(fp);
+
+    return retcode;
+}
+
+/**
+ * Return a new MIDI file handle for parsing an already-loaded MIDI file.
+ * @internal
+ * @param buffer Pointer to full contents of MIDI file (borrows the pointer).
+ *  The caller must not free buffer until after the fluid_midi_file is deleted.
+ * @param length Size of the buffer in bytes.
+ * @return New MIDI file handle or NULL on error.
+ */
+fluid_midi_file *
+new_fluid_midi_file(const char *buffer, size_t length)
+{
+    fluid_midi_file *mf;
+
+    if(length > INT_MAX)
+    {
+        FLUID_LOG(FLUID_ERR, "Refusing to open a MIDI file which is bigger than 2GiB");
+        return NULL;
+    }
+
+    mf = FLUID_NEW(fluid_midi_file);
+    if(mf == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return NULL;
+    }
+
+    FLUID_MEMSET(mf, 0, sizeof(fluid_midi_file));
+
+    mf->c = -1;
+    mf->running_status = -1;
+
+    mf->buffer = buffer;
+    mf->buf_len = (int)length;
+    mf->buf_pos = 0;
+    mf->eof = FALSE;
+
+    if(fluid_midi_file_read_mthd(mf) != FLUID_OK)
+    {
+        FLUID_FREE(mf);
+        return NULL;
+    }
+
+    return mf;
+}
+
+static char *
+fluid_file_read_full(fluid_file fp, size_t *length)
+{
+    size_t buflen;
+    char *buffer;
+    size_t n;
+
+    /* Work out the length of the file in advance */
+    if(FLUID_FSEEK(fp, 0, SEEK_END) != 0)
+    {
+        FLUID_LOG(FLUID_ERR, "File load: Could not seek within file");
+        return NULL;
+    }
+
+    buflen = ftell(fp);
+
+    if(FLUID_FSEEK(fp, 0, SEEK_SET) != 0)
+    {
+        FLUID_LOG(FLUID_ERR, "File load: Could not seek within file");
+        return NULL;
+    }
+
+    FLUID_LOG(FLUID_DBG, "File load: Allocating %lu bytes", (unsigned long)buflen);
+    buffer = FLUID_MALLOC(buflen);
+
+    if(buffer == NULL)
+    {
+        FLUID_LOG(FLUID_PANIC, "Out of memory");
+        return NULL;
+    }
+
+    n = FLUID_FREAD(buffer, 1, buflen, fp);
+
+    if(n != buflen)
+    {
+        FLUID_LOG(FLUID_ERR, "Only read %lu bytes; expected %lu", (unsigned long)n,
+                  (unsigned long)buflen);
+        FLUID_FREE(buffer);
+        return NULL;
+    };
+
+    *length = n;
+
+    return buffer;
+}
+
+/**
+ * Delete a MIDI file handle.
+ * @internal
+ * @param mf MIDI file handle to close and free.
+ */
+void
+delete_fluid_midi_file(fluid_midi_file *mf)
+{
+    fluid_return_if_fail(mf != NULL);
+
+    FLUID_FREE(mf);
+}
+
+/*
+ * Gets the next byte in a MIDI file, taking into account previous running status.
+ *
+ * returns -1 if EOF or read error
+ */
+int
+fluid_midi_file_getc(fluid_midi_file *mf)
+{
+    unsigned char c;
+
+    if(mf->c >= 0)
+    {
+        c = mf->c;
+        mf->c = -1;
+    }
+    else
+    {
+        if(mf->buf_pos >= mf->buf_len)
+        {
+            mf->eof = TRUE;
+            return -1;
+        }
+
+        c = mf->buffer[mf->buf_pos++];
+        mf->trackpos++;
+    }
+
+    return (int) c;
+}
+
+/*
+ * Saves a byte to be returned the next time fluid_midi_file_getc() is called,
+ * when it is necessary according to running status.
+ */
+int
+fluid_midi_file_push(fluid_midi_file *mf, int c)
+{
+    mf->c = c;
+    return FLUID_OK;
+}
+
+/*
+ * fluid_midi_file_read
+ */
+int
+fluid_midi_file_read(fluid_midi_file *mf, void *buf, int len)
+{
+    int num = len < mf->buf_len - mf->buf_pos
+              ? len : mf->buf_len - mf->buf_pos;
+
+    if(num != len)
+    {
+        mf->eof = TRUE;
+    }
+
+    if(num < 0)
+    {
+        num = 0;
+    }
+
+    /* Note: Read bytes, even if there aren't enough, but only increment
+     * trackpos if successful (emulates old behaviour of fluid_midi_file_read)
+     */
+    FLUID_MEMCPY(buf, mf->buffer + mf->buf_pos, num);
+    mf->buf_pos += num;
+
+    if(num == len)
+    {
+        mf->trackpos += num;
+    }
+
+#if DEBUG
+    else
+    {
+        FLUID_LOG(FLUID_DBG, "Could not read the requested number of bytes");
+    }
+
+#endif
+    return (num != len) ? FLUID_FAILED : FLUID_OK;
+}
+
+/*
+ * fluid_midi_file_skip
+ */
+int
+fluid_midi_file_skip(fluid_midi_file *mf, int skip)
+{
+    int new_pos = mf->buf_pos + skip;
+
+    /* Mimic the behaviour of fseek: Error to seek past the start of file, but
+     * OK to seek past end (this just puts it into the EOF state). */
+    if(new_pos < 0)
+    {
+        FLUID_LOG(FLUID_ERR, "Failed to seek position in file");
+        return FLUID_FAILED;
+    }
+
+    /* Clear the EOF flag, even if moved past the end of the file (this is
+     * consistent with the behaviour of fseek). */
+    mf->eof = FALSE;
+    mf->buf_pos = new_pos;
+    return FLUID_OK;
+}
+
+/*
+ * fluid_midi_file_eof
+ */
+int fluid_midi_file_eof(fluid_midi_file *mf)
+{
+    /* Note: This does not simply test whether the file read pointer is past
+     * the end of the file. It mimics the behaviour of feof by actually
+     * testing the stateful EOF condition, which is set to TRUE if getc or
+     * fread have attempted to read past the end (but not if they have
+     * precisely reached the end), but reset to FALSE upon a successful seek.
+     */
+    return mf->eof;
+}
+
+/*
+ * fluid_midi_file_read_mthd
+ */
+int
+fluid_midi_file_read_mthd(fluid_midi_file *mf)
+{
+    char mthd[14];
+
+    if(fluid_midi_file_read(mf, mthd, sizeof(mthd)) != FLUID_OK)
+    {
+        return FLUID_FAILED;
+    }
+
+    if((FLUID_STRNCMP(mthd, "MThd", 4) != 0) || (mthd[7] != 6)
+            || (mthd[9] > 2))
+    {
+        FLUID_LOG(FLUID_ERR,
+                  "Doesn't look like a MIDI file: invalid MThd header");
+        return FLUID_FAILED;
+    }
+
+    mf->type = mthd[9];
+    mf->ntracks = (unsigned) mthd[11];
+    mf->ntracks += (unsigned int)(mthd[10]) << 16;
+
+    if((signed char)mthd[12] < 0)
+    {
+        mf->uses_smpte = 1;
+        mf->smpte_fps = -(signed char)mthd[12];
+        mf->smpte_res = (unsigned) mthd[13];
+        FLUID_LOG(FLUID_ERR, "File uses SMPTE timing -- Not implemented yet");
+        return FLUID_FAILED;
+    }
+    else
+    {
+        mf->uses_smpte = 0;
+        mf->division = ((unsigned)mthd[12] << 8) | ((unsigned)mthd[13] & 0xff);
+        FLUID_LOG(FLUID_DBG, "Division=%d", mf->division);
+    }
+
+    return FLUID_OK;
+}
+
+/*
+ * fluid_midi_file_load_tracks
+ */
+int
+fluid_midi_file_load_tracks(fluid_midi_file *mf, fluid_player_t *player)
+{
+    int i;
+
+    for(i = 0; i < mf->ntracks; i++)
+    {
+        if(fluid_midi_file_read_track(mf, player, i) != FLUID_OK)
+        {
+            return FLUID_FAILED;
+        }
+    }
+
+    return FLUID_OK;
+}
+
+/*
+ * fluid_isasciistring
+ */
+int
+fluid_isasciistring(char *s)
+{
+    /* From ctype.h */
+#define fluid_isascii(c)    (((c) & ~0x7f) == 0)
+
+    size_t i, len = FLUID_STRLEN(s);
+
+    for(i = 0; i < len; i++)
+    {
+        if(!fluid_isascii(s[i]))
+        {
+            return 0;
+        }
+    }
+
+    return 1;
+
+#undef fluid_isascii
+}
+
+/*
+ * fluid_getlength
+ */
+long
+fluid_getlength(const unsigned char *s)
+{
+    long i = 0;
+    i = s[3] | (s[2] << 8) | (s[1] << 16) | (s[0] << 24);
+    return i;
+}
+
+/*
+ * fluid_midi_file_read_tracklen
+ */
+int
+fluid_midi_file_read_tracklen(fluid_midi_file *mf)
+{
+    unsigned char length[5];
+
+    if(fluid_midi_file_read(mf, length, 4) != FLUID_OK)
+    {
+        return FLUID_FAILED;
+    }
+
+    mf->tracklen = fluid_getlength(length);
+    mf->trackpos = 0;
+    mf->eot = 0;
+    return FLUID_OK;
+}
+
+/*
+ * fluid_midi_file_eot
+ */
+int
+fluid_midi_file_eot(fluid_midi_file *mf)
+{
+#if DEBUG
+
+    if(mf->trackpos > mf->tracklen)
+    {
+        printf("track overrun: %d > %d\n", mf->trackpos, mf->tracklen);
+    }
+
+#endif
+    return mf->eot || (mf->trackpos >= mf->tracklen);
+}
+
+/*
+ * fluid_midi_file_read_track
+ */
+int
+fluid_midi_file_read_track(fluid_midi_file *mf, fluid_player_t *player, int num)
+{
+    fluid_track_t *track;
+    unsigned char id[5], length[5];
+    int found_track = 0;
+    int skip;
+
+    if(fluid_midi_file_read(mf, id, 4) != FLUID_OK)
+    {
+        return FLUID_FAILED;
+    }
+
+    id[4] = '\0';
+    mf->dtime = 0;
+
+    while(!found_track)
+    {
+
+        if(fluid_isasciistring((char *) id) == 0)
+        {
+            FLUID_LOG(FLUID_ERR,
+                      "A non-ascii track header found, corrupt file");
+            return FLUID_FAILED;
+
+        }
+        else if(FLUID_STRCMP((char *) id, "MTrk") == 0)
+        {
+
+            found_track = 1;
+
+            if(fluid_midi_file_read_tracklen(mf) != FLUID_OK)
+            {
+                return FLUID_FAILED;
+            }
+
+            track = new_fluid_track(num);
+
+            if(track == NULL)
+            {
+                FLUID_LOG(FLUID_ERR, "Out of memory");
+                return FLUID_FAILED;
+            }
+
+            while(!fluid_midi_file_eot(mf))
+            {
+                if(fluid_midi_file_read_event(mf, track) != FLUID_OK)
+                {
+                    delete_fluid_track(track);
+                    return FLUID_FAILED;
+                }
+            }
+
+            /* Skip remaining track data, if any */
+            if(mf->trackpos < mf->tracklen)
+            {
+                if(fluid_midi_file_skip(mf, mf->tracklen - mf->trackpos) != FLUID_OK)
+                {
+                    delete_fluid_track(track);
+                    return FLUID_FAILED;
+                }
+            }
+
+            if(fluid_player_add_track(player, track) != FLUID_OK)
+            {
+                delete_fluid_track(track);
+                return FLUID_FAILED;
+            }
+
+        }
+        else
+        {
+            found_track = 0;
+
+            if(fluid_midi_file_read(mf, length, 4) != FLUID_OK)
+            {
+                return FLUID_FAILED;
+            }
+
+            skip = fluid_getlength(length);
+
+            /* fseek(mf->fp, skip, SEEK_CUR); */
+            if(fluid_midi_file_skip(mf, skip) != FLUID_OK)
+            {
+                return FLUID_FAILED;
+            }
+        }
+    }
+
+    if(fluid_midi_file_eof(mf))
+    {
+        FLUID_LOG(FLUID_ERR, "Unexpected end of file");
+        return FLUID_FAILED;
+    }
+
+    return FLUID_OK;
+}
+
+/*
+ * fluid_midi_file_read_varlen
+ */
+int
+fluid_midi_file_read_varlen(fluid_midi_file *mf)
+{
+    int i;
+    int c;
+    mf->varlen = 0;
+
+    for(i = 0;; i++)
+    {
+        if(i == 4)
+        {
+            FLUID_LOG(FLUID_ERR, "Invalid variable length number");
+            return FLUID_FAILED;
+        }
+
+        c = fluid_midi_file_getc(mf);
+
+        if(c < 0)
+        {
+            FLUID_LOG(FLUID_ERR, "Unexpected end of file");
+            return FLUID_FAILED;
+        }
+
+        if(c & 0x80)
+        {
+            mf->varlen |= (int)(c & 0x7F);
+            mf->varlen <<= 7;
+        }
+        else
+        {
+            mf->varlen += c;
+            break;
+        }
+    }
+
+    return FLUID_OK;
+}
+
+/*
+ * fluid_midi_file_read_event
+ */
+int
+fluid_midi_file_read_event(fluid_midi_file *mf, fluid_track_t *track)
+{
+    int status;
+    int type;
+    int tempo;
+    unsigned char *metadata = NULL;
+    unsigned char *dyn_buf = NULL;
+    unsigned char static_buf[256];
+    int nominator, denominator, clocks, notes;
+    fluid_midi_event_t *evt;
+    int channel = 0;
+    int param1 = 0;
+    int param2 = 0;
+    int size;
+
+    /* read the delta-time of the event */
+    if(fluid_midi_file_read_varlen(mf) != FLUID_OK)
+    {
+        return FLUID_FAILED;
+    }
+
+    mf->dtime += mf->varlen;
+
+    /* read the status byte */
+    status = fluid_midi_file_getc(mf);
+
+    if(status < 0)
+    {
+        FLUID_LOG(FLUID_ERR, "Unexpected end of file");
+        return FLUID_FAILED;
+    }
+
+    /* not a valid status byte: use the running status instead */
+    if((status & 0x80) == 0)
+    {
+        if((mf->running_status & 0x80) == 0)
+        {
+            FLUID_LOG(FLUID_ERR, "Undefined status and invalid running status");
+            return FLUID_FAILED;
+        }
+
+        fluid_midi_file_push(mf, status);
+        status = mf->running_status;
+    }
+
+    /* check what message we have */
+
+    mf->running_status = status;
+
+    if(status == MIDI_SYSEX)    /* system exclusif */
+    {
+        /* read the length of the message */
+        if(fluid_midi_file_read_varlen(mf) != FLUID_OK)
+        {
+            return FLUID_FAILED;
+        }
+
+        if(mf->varlen)
+        {
+            FLUID_LOG(FLUID_DBG, "%s: %d: alloc metadata, len = %d", __FILE__,
+                      __LINE__, mf->varlen);
+            metadata = FLUID_MALLOC(mf->varlen + 1);
+
+            if(metadata == NULL)
+            {
+                FLUID_LOG(FLUID_PANIC, "Out of memory");
+                return FLUID_FAILED;
+            }
+
+            /* read the data of the message */
+            if(fluid_midi_file_read(mf, metadata, mf->varlen) != FLUID_OK)
+            {
+                FLUID_FREE(metadata);
+                return FLUID_FAILED;
+            }
+
+            evt = new_fluid_midi_event();
+
+            if(evt == NULL)
+            {
+                FLUID_LOG(FLUID_ERR, "Out of memory");
+                FLUID_FREE(metadata);
+                return FLUID_FAILED;
+            }
+
+            evt->dtime = mf->dtime;
+            size = mf->varlen;
+
+            if(metadata[mf->varlen - 1] == MIDI_EOX)
+            {
+                size--;
+            }
+
+            /* Add SYSEX event and indicate that its dynamically allocated and should be freed with event */
+            fluid_midi_event_set_sysex(evt, metadata, size, TRUE);
+            fluid_track_add_event(track, evt);
+            mf->dtime = 0;
+        }
+
+        return FLUID_OK;
+
+    }
+    else if(status == MIDI_META_EVENT)      /* meta events */
+    {
+
+        int result = FLUID_OK;
+
+        /* get the type of the meta message */
+        type = fluid_midi_file_getc(mf);
+
+        if(type < 0)
+        {
+            FLUID_LOG(FLUID_ERR, "Unexpected end of file");
+            return FLUID_FAILED;
+        }
+
+        /* get the length of the data part */
+        if(fluid_midi_file_read_varlen(mf) != FLUID_OK)
+        {
+            return FLUID_FAILED;
+        }
+
+        if(mf->varlen < 255)
+        {
+            metadata = &static_buf[0];
+        }
+        else
+        {
+            FLUID_LOG(FLUID_DBG, "%s: %d: alloc metadata, len = %d", __FILE__,
+                      __LINE__, mf->varlen);
+            dyn_buf = FLUID_MALLOC(mf->varlen + 1);
+
+            if(dyn_buf == NULL)
+            {
+                FLUID_LOG(FLUID_PANIC, "Out of memory");
+                return FLUID_FAILED;
+            }
+
+            metadata = dyn_buf;
+        }
+
+        /* read the data */
+        if(mf->varlen)
+        {
+            if(fluid_midi_file_read(mf, metadata, mf->varlen) != FLUID_OK)
+            {
+                if(dyn_buf)
+                {
+                    FLUID_FREE(dyn_buf);
+                }
+
+                return FLUID_FAILED;
+            }
+        }
+
+        /* handle meta data */
+        switch(type)
+        {
+
+        case MIDI_COPYRIGHT:
+            metadata[mf->varlen] = 0;
+            break;
+
+        case MIDI_TRACK_NAME:
+            metadata[mf->varlen] = 0;
+            fluid_track_set_name(track, (char *) metadata);
+            break;
+
+        case MIDI_INST_NAME:
+            metadata[mf->varlen] = 0;
+            break;
+
+        case MIDI_LYRIC:
+        case MIDI_TEXT:
+        {
+            void *tmp;
+            int size = mf->varlen + 1;
+
+            /* NULL terminate strings for safety */
+            metadata[size - 1] = '\0';
+
+            evt = new_fluid_midi_event();
+
+            if(evt == NULL)
+            {
+                FLUID_LOG(FLUID_ERR, "Out of memory");
+                result = FLUID_FAILED;
+                break;
+            }
+
+            evt->dtime = mf->dtime;
+
+            tmp = FLUID_MALLOC(size);
+
+            if(tmp == NULL)
+            {
+                FLUID_LOG(FLUID_PANIC, "Out of memory");
+                delete_fluid_midi_event(evt);
+                evt = NULL;
+                result = FLUID_FAILED;
+                break;
+            }
+
+            FLUID_MEMCPY(tmp, metadata, size);
+
+            fluid_midi_event_set_sysex_LOCAL(evt, type, tmp, size, TRUE);
+            fluid_track_add_event(track, evt);
+            mf->dtime = 0;
+        }
+        break;
+
+        case MIDI_MARKER:
+            break;
+
+        case MIDI_CUE_POINT:
+            break; /* don't care much for text events */
+
+        case MIDI_EOT:
+            if(mf->varlen != 0)
+            {
+                FLUID_LOG(FLUID_ERR, "Invalid length for EndOfTrack event");
+                result = FLUID_FAILED;
+                break;
+            }
+
+            mf->eot = 1;
+            evt = new_fluid_midi_event();
+
+            if(evt == NULL)
+            {
+                FLUID_LOG(FLUID_ERR, "Out of memory");
+                result = FLUID_FAILED;
+                break;
+            }
+
+            evt->dtime = mf->dtime;
+            evt->type = MIDI_EOT;
+            fluid_track_add_event(track, evt);
+            mf->dtime = 0;
+            break;
+
+        case MIDI_SET_TEMPO:
+            if(mf->varlen != 3)
+            {
+                FLUID_LOG(FLUID_ERR,
+                          "Invalid length for SetTempo meta event");
+                result = FLUID_FAILED;
+                break;
+            }
+
+            tempo = (metadata[0] << 16) + (metadata[1] << 8) + metadata[2];
+            evt = new_fluid_midi_event();
+
+            if(evt == NULL)
+            {
+                FLUID_LOG(FLUID_ERR, "Out of memory");
+                result = FLUID_FAILED;
+                break;
+            }
+
+            evt->dtime = mf->dtime;
+            evt->type = MIDI_SET_TEMPO;
+            evt->channel = 0;
+            evt->param1 = tempo;
+            evt->param2 = 0;
+            fluid_track_add_event(track, evt);
+            mf->dtime = 0;
+            break;
+
+        case MIDI_SMPTE_OFFSET:
+            if(mf->varlen != 5)
+            {
+                FLUID_LOG(FLUID_ERR,
+                          "Invalid length for SMPTE Offset meta event");
+                result = FLUID_FAILED;
+                break;
+            }
+
+            break; /* we don't use smtp */
+
+        case MIDI_TIME_SIGNATURE:
+            if(mf->varlen != 4)
+            {
+                FLUID_LOG(FLUID_ERR,
+                          "Invalid length for TimeSignature meta event");
+                result = FLUID_FAILED;
+                break;
+            }
+
+            nominator = metadata[0];
+            denominator = pow(2.0, (double) metadata[1]);
+            clocks = metadata[2];
+            notes = metadata[3];
+
+            FLUID_LOG(FLUID_DBG,
+                      "signature=%d/%d, metronome=%d, 32nd-notes=%d",
+                      nominator, denominator, clocks, notes);
+
+            break;
+
+        case MIDI_KEY_SIGNATURE:
+            if(mf->varlen != 2)
+            {
+                FLUID_LOG(FLUID_ERR,
+                          "Invalid length for KeySignature meta event");
+                result = FLUID_FAILED;
+                break;
+            }
+
+            /* We don't care about key signatures anyway */
+            /* sf = metadata[0];
+            mi = metadata[1]; */
+            break;
+
+        case MIDI_SEQUENCER_EVENT:
+            break;
+
+        default:
+            break;
+        }
+
+        if(dyn_buf)
+        {
+            FLUID_LOG(FLUID_DBG, "%s: %d: free metadata", __FILE__, __LINE__);
+            FLUID_FREE(dyn_buf);
+        }
+
+        return result;
+
+    }
+    else     /* channel messages */
+    {
+
+        type = status & 0xf0;
+        channel = status & 0x0f;
+
+        /* all channel message have at least 1 byte of associated data */
+        if((param1 = fluid_midi_file_getc(mf)) < 0)
+        {
+            FLUID_LOG(FLUID_ERR, "Unexpected end of file");
+            return FLUID_FAILED;
+        }
+
+        switch(type)
+        {
+
+        case NOTE_ON:
+            if((param2 = fluid_midi_file_getc(mf)) < 0)
+            {
+                FLUID_LOG(FLUID_ERR, "Unexpected end of file");
+                return FLUID_FAILED;
+            }
+
+            break;
+
+        case NOTE_OFF:
+            if((param2 = fluid_midi_file_getc(mf)) < 0)
+            {
+                FLUID_LOG(FLUID_ERR, "Unexpected end of file");
+                return FLUID_FAILED;
+            }
+
+            break;
+
+        case KEY_PRESSURE:
+            if((param2 = fluid_midi_file_getc(mf)) < 0)
+            {
+                FLUID_LOG(FLUID_ERR, "Unexpected end of file");
+                return FLUID_FAILED;
+            }
+
+            break;
+
+        case CONTROL_CHANGE:
+            if((param2 = fluid_midi_file_getc(mf)) < 0)
+            {
+                FLUID_LOG(FLUID_ERR, "Unexpected end of file");
+                return FLUID_FAILED;
+            }
+
+            break;
+
+        case PROGRAM_CHANGE:
+            break;
+
+        case CHANNEL_PRESSURE:
+            break;
+
+        case PITCH_BEND:
+            if((param2 = fluid_midi_file_getc(mf)) < 0)
+            {
+                FLUID_LOG(FLUID_ERR, "Unexpected end of file");
+                return FLUID_FAILED;
+            }
+
+            param1 = ((param2 & 0x7f) << 7) | (param1 & 0x7f);
+            param2 = 0;
+            break;
+
+        default:
+            /* Can't possibly happen !? */
+            FLUID_LOG(FLUID_ERR, "Unrecognized MIDI event");
+            return FLUID_FAILED;
+        }
+
+        evt = new_fluid_midi_event();
+
+        if(evt == NULL)
+        {
+            FLUID_LOG(FLUID_ERR, "Out of memory");
+            return FLUID_FAILED;
+        }
+
+        evt->dtime = mf->dtime;
+        evt->type = type;
+        evt->channel = channel;
+        evt->param1 = param1;
+        evt->param2 = param2;
+        fluid_track_add_event(track, evt);
+        mf->dtime = 0;
+    }
+
+    return FLUID_OK;
+}
+
+/*
+ * fluid_midi_file_get_division
+ */
+int
+fluid_midi_file_get_division(fluid_midi_file *midifile)
+{
+    return midifile->division;
+}
+
+/******************************************************
+ *
+ *     fluid_track_t
+ */
+
+/**
+ * Create a MIDI event structure.
+ * @return New MIDI event structure or NULL when out of memory.
+ */
+fluid_midi_event_t *
+new_fluid_midi_event()
+{
+    fluid_midi_event_t *evt;
+    evt = FLUID_NEW(fluid_midi_event_t);
+
+    if(evt == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return NULL;
+    }
+
+    evt->dtime = 0;
+    evt->type = 0;
+    evt->channel = 0;
+    evt->param1 = 0;
+    evt->param2 = 0;
+    evt->next = NULL;
+    evt->paramptr = NULL;
+    return evt;
+}
+
+/**
+ * Delete MIDI event structure.
+ * @param evt MIDI event structure
+ */
+void
+delete_fluid_midi_event(fluid_midi_event_t *evt)
+{
+    fluid_midi_event_t *temp;
+    fluid_return_if_fail(evt != NULL);
+
+    while(evt)
+    {
+        temp = evt->next;
+
+        /* Dynamic SYSEX event? - free (param2 indicates if dynamic) */
+        if((evt->type == MIDI_SYSEX || (evt-> type == MIDI_TEXT) || (evt->type == MIDI_LYRIC)) &&
+                evt->paramptr && evt->param2)
+        {
+            FLUID_FREE(evt->paramptr);
+        }
+
+        FLUID_FREE(evt);
+        evt = temp;
+    }
+}
+
+/**
+ * Get the event type field of a MIDI event structure.
+ * @param evt MIDI event structure
+ * @return Event type field (MIDI status byte without channel)
+ */
+int
+fluid_midi_event_get_type(const fluid_midi_event_t *evt)
+{
+    return evt->type;
+}
+
+/**
+ * Set the event type field of a MIDI event structure.
+ * @param evt MIDI event structure
+ * @param type Event type field (MIDI status byte without channel)
+ * @return Always returns #FLUID_OK
+ */
+int
+fluid_midi_event_set_type(fluid_midi_event_t *evt, int type)
+{
+    evt->type = type;
+    return FLUID_OK;
+}
+
+/**
+ * Get the channel field of a MIDI event structure.
+ * @param evt MIDI event structure
+ * @return Channel field
+ */
+int
+fluid_midi_event_get_channel(const fluid_midi_event_t *evt)
+{
+    return evt->channel;
+}
+
+/**
+ * Set the channel field of a MIDI event structure.
+ * @param evt MIDI event structure
+ * @param chan MIDI channel field
+ * @return Always returns #FLUID_OK
+ */
+int
+fluid_midi_event_set_channel(fluid_midi_event_t *evt, int chan)
+{
+    evt->channel = chan;
+    return FLUID_OK;
+}
+
+/**
+ * Get the key field of a MIDI event structure.
+ * @param evt MIDI event structure
+ * @return MIDI note number (0-127)
+ */
+int
+fluid_midi_event_get_key(const fluid_midi_event_t *evt)
+{
+    return evt->param1;
+}
+
+/**
+ * Set the key field of a MIDI event structure.
+ * @param evt MIDI event structure
+ * @param v MIDI note number (0-127)
+ * @return Always returns #FLUID_OK
+ */
+int
+fluid_midi_event_set_key(fluid_midi_event_t *evt, int v)
+{
+    evt->param1 = v;
+    return FLUID_OK;
+}
+
+/**
+ * Get the velocity field of a MIDI event structure.
+ * @param evt MIDI event structure
+ * @return MIDI velocity number (0-127)
+ */
+int
+fluid_midi_event_get_velocity(const fluid_midi_event_t *evt)
+{
+    return evt->param2;
+}
+
+/**
+ * Set the velocity field of a MIDI event structure.
+ * @param evt MIDI event structure
+ * @param v MIDI velocity value
+ * @return Always returns #FLUID_OK
+ */
+int
+fluid_midi_event_set_velocity(fluid_midi_event_t *evt, int v)
+{
+    evt->param2 = v;
+    return FLUID_OK;
+}
+
+/**
+ * Get the control number of a MIDI event structure.
+ * @param evt MIDI event structure
+ * @return MIDI control number
+ */
+int
+fluid_midi_event_get_control(const fluid_midi_event_t *evt)
+{
+    return evt->param1;
+}
+
+/**
+ * Set the control field of a MIDI event structure.
+ * @param evt MIDI event structure
+ * @param v MIDI control number
+ * @return Always returns #FLUID_OK
+ */
+int
+fluid_midi_event_set_control(fluid_midi_event_t *evt, int v)
+{
+    evt->param1 = v;
+    return FLUID_OK;
+}
+
+/**
+ * Get the value field from a MIDI event structure.
+ * @param evt MIDI event structure
+ * @return Value field
+ */
+int
+fluid_midi_event_get_value(const fluid_midi_event_t *evt)
+{
+    return evt->param2;
+}
+
+/**
+ * Set the value field of a MIDI event structure.
+ * @param evt MIDI event structure
+ * @param v Value to assign
+ * @return Always returns #FLUID_OK
+ */
+int
+fluid_midi_event_set_value(fluid_midi_event_t *evt, int v)
+{
+    evt->param2 = v;
+    return FLUID_OK;
+}
+
+/**
+ * Get the program field of a MIDI event structure.
+ * @param evt MIDI event structure
+ * @return MIDI program number (0-127)
+ */
+int
+fluid_midi_event_get_program(const fluid_midi_event_t *evt)
+{
+    return evt->param1;
+}
+
+/**
+ * Set the program field of a MIDI event structure.
+ * @param evt MIDI event structure
+ * @param val MIDI program number (0-127)
+ * @return Always returns #FLUID_OK
+ */
+int
+fluid_midi_event_set_program(fluid_midi_event_t *evt, int val)
+{
+    evt->param1 = val;
+    return FLUID_OK;
+}
+
+/**
+ * Get the pitch field of a MIDI event structure.
+ * @param evt MIDI event structure
+ * @return Pitch value (14 bit value, 0-16383, 8192 is center)
+ */
+int
+fluid_midi_event_get_pitch(const fluid_midi_event_t *evt)
+{
+    return evt->param1;
+}
+
+/**
+ * Set the pitch field of a MIDI event structure.
+ * @param evt MIDI event structure
+ * @param val Pitch value (14 bit value, 0-16383, 8192 is center)
+ * @return Always returns FLUID_OK
+ */
+int
+fluid_midi_event_set_pitch(fluid_midi_event_t *evt, int val)
+{
+    evt->param1 = val;
+    return FLUID_OK;
+}
+
+/**
+ * Assign sysex data to a MIDI event structure.
+ * @param evt MIDI event structure
+ * @param data Pointer to SYSEX data
+ * @param size Size of SYSEX data in bytes
+ * @param dynamic TRUE if the SYSEX data has been dynamically allocated and
+ *   should be freed when the event is freed (only applies if event gets destroyed
+ *   with delete_fluid_midi_event())
+ * @return Always returns #FLUID_OK
+ */
+int
+fluid_midi_event_set_sysex(fluid_midi_event_t *evt, void *data, int size, int dynamic)
+{
+    fluid_midi_event_set_sysex_LOCAL(evt, MIDI_SYSEX, data, size, dynamic);
+    return FLUID_OK;
+}
+
+/**
+ * Assign text data to a MIDI event structure.
+ * @param evt MIDI event structure
+ * @param data Pointer to text data
+ * @param size Size of text data in bytes
+ * @param dynamic TRUE if the data has been dynamically allocated and
+ *   should be freed when the event is freed via delete_fluid_midi_event()
+ * @return Always returns #FLUID_OK
+ *
+ * @since 2.0.0
+ */
+int
+fluid_midi_event_set_text(fluid_midi_event_t *evt, void *data, int size, int dynamic)
+{
+    fluid_midi_event_set_sysex_LOCAL(evt, MIDI_TEXT, data, size, dynamic);
+    return FLUID_OK;
+}
+
+/**
+ * Get the text of a MIDI event structure.
+ * @param evt MIDI event structure
+ * @param data Pointer to return text data on.
+ * @param size Pointer to return text size on.
+ * @return Returns #FLUID_OK if \p data and \p size previously set by
+ * fluid_midi_event_set_text() have been successfully retrieved.
+ * Else #FLUID_FAILED is returned and \p data and \p size are not changed.
+ * @since 2.0.3
+ */
+int fluid_midi_event_get_text(fluid_midi_event_t *evt, void **data, int *size)
+{
+    fluid_return_val_if_fail(evt != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(evt->type == MIDI_TEXT, FLUID_FAILED);
+
+    fluid_midi_event_get_sysex_LOCAL(evt, data, size);
+    return FLUID_OK;
+}
+
+/**
+ * Assign lyric data to a MIDI event structure.
+ * @param evt MIDI event structure
+ * @param data Pointer to lyric data
+ * @param size Size of lyric data in bytes
+ * @param dynamic TRUE if the data has been dynamically allocated and
+ *   should be freed when the event is freed via delete_fluid_midi_event()
+ * @return Always returns #FLUID_OK
+ *
+ * @since 2.0.0
+ */
+int
+fluid_midi_event_set_lyrics(fluid_midi_event_t *evt, void *data, int size, int dynamic)
+{
+    fluid_midi_event_set_sysex_LOCAL(evt, MIDI_LYRIC, data, size, dynamic);
+    return FLUID_OK;
+}
+
+/**
+ * Get the lyric of a MIDI event structure.
+ * @param evt MIDI event structure
+ * @param data Pointer to return lyric data on.
+ * @param size Pointer to return lyric size on.
+ * @return Returns #FLUID_OK if \p data and \p size previously set by
+ * fluid_midi_event_set_lyrics() have been successfully retrieved.
+ * Else #FLUID_FAILED is returned and \p data and \p size are not changed.
+ * @since 2.0.3
+ */
+int fluid_midi_event_get_lyrics(fluid_midi_event_t *evt, void **data, int *size)
+{
+    fluid_return_val_if_fail(evt != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(evt->type == MIDI_LYRIC, FLUID_FAILED);
+
+    fluid_midi_event_get_sysex_LOCAL(evt, data, size);
+    return FLUID_OK;
+}
+
+static void fluid_midi_event_set_sysex_LOCAL(fluid_midi_event_t *evt, int type, void *data, int size, int dynamic)
+{
+    evt->type = type;
+    evt->paramptr = data;
+    evt->param1 = size;
+    evt->param2 = dynamic;
+}
+
+static void fluid_midi_event_get_sysex_LOCAL(fluid_midi_event_t *evt, void **data, int *size)
+{
+    if(data)
+    {
+        *data = evt->paramptr;
+    }
+
+    if(size)
+    {
+        *size = evt->param1;
+    }
+}
+
+/******************************************************
+ *
+ *     fluid_track_t
+ */
+
+/*
+ * new_fluid_track
+ */
+fluid_track_t *
+new_fluid_track(int num)
+{
+    fluid_track_t *track;
+    track = FLUID_NEW(fluid_track_t);
+
+    if(track == NULL)
+    {
+        return NULL;
+    }
+
+    track->name = NULL;
+    track->num = num;
+    track->first = NULL;
+    track->cur = NULL;
+    track->last = NULL;
+    track->ticks = 0;
+    return track;
+}
+
+/*
+ * delete_fluid_track
+ */
+void
+delete_fluid_track(fluid_track_t *track)
+{
+    fluid_return_if_fail(track != NULL);
+
+    FLUID_FREE(track->name);
+    delete_fluid_midi_event(track->first);
+    FLUID_FREE(track);
+}
+
+/*
+ * fluid_track_set_name
+ */
+int
+fluid_track_set_name(fluid_track_t *track, char *name)
+{
+    size_t len;
+
+    if(track->name != NULL)
+    {
+        FLUID_FREE(track->name);
+    }
+
+    if(name == NULL)
+    {
+        track->name = NULL;
+        return FLUID_OK;
+    }
+
+    len = FLUID_STRLEN(name);
+    track->name = FLUID_MALLOC(len + 1);
+
+    if(track->name == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return FLUID_FAILED;
+    }
+
+    FLUID_STRCPY(track->name, name);
+    return FLUID_OK;
+}
+
+/*
+ * fluid_track_get_duration
+ */
+int
+fluid_track_get_duration(fluid_track_t *track)
+{
+    int time = 0;
+    fluid_midi_event_t *evt = track->first;
+
+    while(evt != NULL)
+    {
+        time += evt->dtime;
+        evt = evt->next;
+    }
+
+    return time;
+}
+
+/*
+ * fluid_track_add_event
+ */
+int
+fluid_track_add_event(fluid_track_t *track, fluid_midi_event_t *evt)
+{
+    evt->next = NULL;
+
+    if(track->first == NULL)
+    {
+        track->first = evt;
+        track->cur = evt;
+        track->last = evt;
+    }
+    else
+    {
+        track->last->next = evt;
+        track->last = evt;
+    }
+
+    return FLUID_OK;
+}
+
+/*
+ * fluid_track_next_event
+ */
+fluid_midi_event_t *
+fluid_track_next_event(fluid_track_t *track)
+{
+    if(track->cur != NULL)
+    {
+        track->cur = track->cur->next;
+    }
+
+    return track->cur;
+}
+
+/*
+ * fluid_track_reset
+ */
+int
+fluid_track_reset(fluid_track_t *track)
+{
+    track->ticks = 0;
+    track->cur = track->first;
+    return FLUID_OK;
+}
+
+/*
+ * fluid_track_send_events
+ */
+static void
+fluid_track_send_events(fluid_track_t *track,
+                        fluid_synth_t *synth,
+                        fluid_player_t *player,
+                        unsigned int ticks,
+                        int seek_ticks
+                       )
+{
+    fluid_midi_event_t *event;
+    int seeking = seek_ticks >= 0;
+
+    if(seeking)
+    {
+        ticks = seek_ticks; /* update target ticks */
+
+        if(track->ticks > ticks)
+        {
+            fluid_track_reset(track);    /* reset track if seeking backwards */
+        }
+    }
+
+    while(1)
+    {
+
+        event = track->cur;
+
+        if(event == NULL)
+        {
+            return;
+        }
+
+        /*         printf("track=%02d\tticks=%05u\ttrack=%05u\tdtime=%05u\tnext=%05u\n", */
+        /*                track->num, */
+        /*                ticks, */
+        /*                track->ticks, */
+        /*                event->dtime, */
+        /*                track->ticks + event->dtime); */
+
+        if(track->ticks + event->dtime > ticks)
+        {
+            return;
+        }
+
+        track->ticks += event->dtime;
+
+        if(!player || event->type == MIDI_EOT)
+        {
+            /* don't send EOT events to the callback */
+        }
+        else if(seeking && track->ticks != ticks && (event->type == NOTE_ON || event->type == NOTE_OFF))
+        {
+            /* skip on/off messages */
+        }
+        else
+        {
+            if(player->playback_callback)
+            {
+                player->playback_callback(player->playback_userdata, event);
+                if(event->type == NOTE_ON && event->param2 != 0 && !player->channel_isplaying[event->channel])
+                {
+                    player->channel_isplaying[event->channel] = TRUE;
+                }
+            }
+        }
+
+        if(event->type == MIDI_SET_TEMPO && player != NULL)
+        {
+            /* memorize the tempo change value coming from the MIDI file */
+            fluid_atomic_int_set(&player->miditempo, event->param1);
+            fluid_player_update_tempo(player);
+        }
+
+        fluid_track_next_event(track);
+
+    }
+}
+
+/******************************************************
+ *
+ *     fluid_player
+ */
+static void
+fluid_player_handle_reset_synth(void *data, const char *name, int value)
+{
+    fluid_player_t *player = data;
+    fluid_return_if_fail(player != NULL);
+
+    player->reset_synth_between_songs = value;
+}
+
+/**
+ * Create a new MIDI player.
+ * @param synth Fluid synthesizer instance to create player for
+ * @return New MIDI player instance or NULL on error (out of memory)
+ */
+fluid_player_t *
+new_fluid_player(fluid_synth_t *synth)
+{
+    int i;
+    fluid_player_t *player;
+    player = FLUID_NEW(fluid_player_t);
+
+    if(player == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return NULL;
+    }
+
+    fluid_atomic_int_set(&player->status, FLUID_PLAYER_READY);
+    fluid_atomic_int_set(&player->stopping, 0);
+    player->loop = 1;
+    player->ntracks = 0;
+
+    for(i = 0; i < MAX_NUMBER_OF_TRACKS; i++)
+    {
+        player->track[i] = NULL;
+    }
+
+    player->synth = synth;
+    player->system_timer = NULL;
+    player->sample_timer = NULL;
+    player->playlist = NULL;
+    player->currentfile = NULL;
+    player->division = 0;
+
+    /* internal tempo (from MIDI file) in micro seconds per quarter note */
+    player->sync_mode = 1; /* the player follows internal tempo change */
+    player->miditempo = 500000;
+    /* external tempo in micro seconds per quarter note */
+    player->exttempo = 500000;
+    /* tempo multiplier */
+    player->multempo = 1.0F;
+
+    player->deltatime = 4.0;
+    player->cur_msec = 0;
+    player->cur_ticks = 0;
+    player->end_msec = -1;
+    player->end_pedals_disabled = 0;
+    player->last_callback_ticks = -1;
+    fluid_atomic_int_set(&player->seek_ticks, -1);
+    fluid_player_set_playback_callback(player, fluid_synth_handle_midi_event, synth);
+    fluid_player_set_tick_callback(player, NULL, NULL);
+    player->use_system_timer = fluid_settings_str_equal(synth->settings,
+                               "player.timing-source", "system");
+    if(player->use_system_timer)
+    {
+        player->system_timer = new_fluid_timer((int) player->deltatime,
+                                               fluid_player_callback, player, TRUE, FALSE, TRUE);
+
+        if(player->system_timer == NULL)
+        {
+            goto err;
+        }
+    }
+    else
+    {
+        player->sample_timer = new_fluid_sample_timer(player->synth,
+                               fluid_player_callback, player);
+
+        if(player->sample_timer == NULL)
+        {
+            goto err;
+        }
+    }
+
+    fluid_settings_getint(synth->settings, "player.reset-synth", &i);
+    fluid_player_handle_reset_synth(player, NULL, i);
+
+    fluid_settings_callback_int(synth->settings, "player.reset-synth",
+                                fluid_player_handle_reset_synth, player);
+
+    return player;
+
+err:
+    delete_fluid_player(player);
+    return NULL;
+}
+
+/**
+ * Delete a MIDI player instance.
+ * @param player MIDI player instance
+ * @warning Do not call when the synthesizer associated to this \p player renders audio,
+ * i.e. an audio driver is running or any other synthesizer thread concurrently calls
+ * fluid_synth_process() or fluid_synth_nwrite_float() or fluid_synth_write_*() !
+ */
+void
+delete_fluid_player(fluid_player_t *player)
+{
+    fluid_list_t *q;
+    fluid_playlist_item *pi;
+
+    fluid_return_if_fail(player != NULL);
+
+    fluid_settings_callback_int(player->synth->settings, "player.reset-synth",
+                                NULL, NULL);
+
+    fluid_player_stop(player);
+    fluid_player_reset(player);
+
+    delete_fluid_timer(player->system_timer);
+    delete_fluid_sample_timer(player->synth, player->sample_timer);
+
+    while(player->playlist != NULL)
+    {
+        q = player->playlist->next;
+        pi = (fluid_playlist_item *) player->playlist->data;
+        FLUID_FREE(pi->filename);
+        FLUID_FREE(pi->buffer);
+        FLUID_FREE(pi);
+        delete1_fluid_list(player->playlist);
+        player->playlist = q;
+    }
+
+    FLUID_FREE(player);
+}
+
+/**
+ * Registers settings related to the MIDI player
+ */
+void
+fluid_player_settings(fluid_settings_t *settings)
+{
+    /* player.timing-source can be either "system" (use system timer)
+     or "sample" (use timer based on number of written samples) */
+    fluid_settings_register_str(settings, "player.timing-source", "sample", 0);
+    fluid_settings_add_option(settings, "player.timing-source", "sample");
+    fluid_settings_add_option(settings, "player.timing-source", "system");
+
+    /* Selects whether the player should reset the synth between songs, or not. */
+    fluid_settings_register_int(settings, "player.reset-synth", 1, 0, 1, FLUID_HINT_TOGGLED);
+}
+
+
+int
+fluid_player_reset(fluid_player_t *player)
+{
+    int i;
+
+    for(i = 0; i < MAX_NUMBER_OF_TRACKS; i++)
+    {
+        if(player->track[i] != NULL)
+        {
+            delete_fluid_track(player->track[i]);
+            player->track[i] = NULL;
+        }
+    }
+
+    for(i = 0; i < MAX_NUMBER_OF_CHANNELS; i++)
+    {
+        player->channel_isplaying[i] = FALSE;
+    }
+
+    /*    player->current_file = NULL; */
+    /*    player->status = FLUID_PLAYER_READY; */
+    /*    player->loop = 1; */
+    player->ntracks = 0;
+    player->division = 0;
+    player->miditempo = 500000;
+    player->deltatime = 4.0;
+    return 0;
+}
+
+/*
+ * fluid_player_add_track
+ */
+int
+fluid_player_add_track(fluid_player_t *player, fluid_track_t *track)
+{
+    if(player->ntracks < MAX_NUMBER_OF_TRACKS)
+    {
+        player->track[player->ntracks++] = track;
+        return FLUID_OK;
+    }
+    else
+    {
+        return FLUID_FAILED;
+    }
+}
+
+/**
+ * Change the MIDI callback function.
+ *
+ * @param player MIDI player instance
+ * @param handler Pointer to callback function
+ * @param handler_data Parameter sent to the callback function
+ * @returns FLUID_OK
+ *
+ * This is usually set to fluid_synth_handle_midi_event(), but can optionally
+ * be changed to a user-defined function instead, for intercepting all MIDI
+ * messages sent to the synth. You can also use a midi router as the callback
+ * function to modify the MIDI messages before sending them to the synth.
+ *
+ * @since 1.1.4
+ */
+int
+fluid_player_set_playback_callback(fluid_player_t *player,
+                                   handle_midi_event_func_t handler, void *handler_data)
+{
+    player->playback_callback = handler;
+    player->playback_userdata = handler_data;
+    return FLUID_OK;
+}
+
+/**
+ * Add a listener function for every MIDI tick change.
+ *
+ * @param player MIDI player instance
+ * @param handler Pointer to callback function
+ * @param handler_data Opaque parameter to be sent to the callback function
+ * @returns #FLUID_OK
+ *
+ * This callback is not set by default, but can optionally
+ * be changed to a user-defined function for intercepting all MIDI
+ * tick changes and react to them with precision.
+ *
+ * @since 2.2.0
+ */
+int
+fluid_player_set_tick_callback(fluid_player_t *player, handle_midi_tick_func_t handler, void *handler_data)
+{
+    player->tick_callback = handler;
+    player->tick_userdata = handler_data;
+    return FLUID_OK;
+}
+
+/**
+ * Add a MIDI file to a player queue.
+ * @param player MIDI player instance
+ * @param midifile File name of the MIDI file to add
+ * @return #FLUID_OK or #FLUID_FAILED
+ */
+int
+fluid_player_add(fluid_player_t *player, const char *midifile)
+{
+    fluid_playlist_item *pi = FLUID_MALLOC(sizeof(fluid_playlist_item));
+    char *f = FLUID_STRDUP(midifile);
+
+    if(!pi || !f)
+    {
+        FLUID_FREE(pi);
+        FLUID_FREE(f);
+        FLUID_LOG(FLUID_PANIC, "Out of memory");
+        return FLUID_FAILED;
+    }
+
+    pi->filename = f;
+    pi->buffer = NULL;
+    pi->buffer_len = 0;
+    player->playlist = fluid_list_append(player->playlist, pi);
+    return FLUID_OK;
+}
+
+/**
+ * Add a MIDI file to a player queue, from a buffer in memory.
+ * @param player MIDI player instance
+ * @param buffer Pointer to memory containing the bytes of a complete MIDI
+ *   file. The data is copied, so the caller may free or modify it immediately
+ *   without affecting the playlist.
+ * @param len Length of the buffer, in bytes.
+ * @return #FLUID_OK or #FLUID_FAILED
+ */
+int
+fluid_player_add_mem(fluid_player_t *player, const void *buffer, size_t len)
+{
+    /* Take a copy of the buffer, so the caller can free immediately. */
+    fluid_playlist_item *pi = FLUID_MALLOC(sizeof(fluid_playlist_item));
+    void *buf_copy = FLUID_MALLOC(len);
+
+    if(!pi || !buf_copy)
+    {
+        FLUID_FREE(pi);
+        FLUID_FREE(buf_copy);
+        FLUID_LOG(FLUID_PANIC, "Out of memory");
+        return FLUID_FAILED;
+    }
+
+    FLUID_MEMCPY(buf_copy, buffer, len);
+    pi->filename = NULL;
+    pi->buffer = buf_copy;
+    pi->buffer_len = len;
+    player->playlist = fluid_list_append(player->playlist, pi);
+    return FLUID_OK;
+}
+
+/*
+ * fluid_player_load
+ */
+int
+fluid_player_load(fluid_player_t *player, fluid_playlist_item *item)
+{
+    fluid_midi_file *midifile;
+    char *buffer;
+    size_t buffer_length;
+    int buffer_owned;
+
+    if(item->filename != NULL)
+    {
+        fluid_file fp;
+        /* This file is specified by filename; load the file from disk */
+        FLUID_LOG(FLUID_DBG, "%s: %d: Loading midifile %s", __FILE__, __LINE__,
+                  item->filename);
+        /* Read the entire contents of the file into the buffer */
+        fp = FLUID_FOPEN(item->filename, "rb");
+
+        if(fp == NULL)
+        {
+            FLUID_LOG(FLUID_ERR, "Couldn't open the MIDI file");
+            return FLUID_FAILED;
+        }
+
+        buffer = fluid_file_read_full(fp, &buffer_length);
+
+        FLUID_FCLOSE(fp);
+
+        if(buffer == NULL)
+        {
+            return FLUID_FAILED;
+        }
+
+        buffer_owned = 1;
+    }
+    else
+    {
+        /* This file is specified by a pre-loaded buffer; load from memory */
+        FLUID_LOG(FLUID_DBG, "%s: %d: Loading midifile from memory (%p)",
+                  __FILE__, __LINE__, item->buffer);
+        buffer = (char *) item->buffer;
+        buffer_length = item->buffer_len;
+        /* Do not free the buffer (it is owned by the playlist) */
+        buffer_owned = 0;
+    }
+
+    midifile = new_fluid_midi_file(buffer, buffer_length);
+
+    if(midifile == NULL)
+    {
+        if(buffer_owned)
+        {
+            FLUID_FREE(buffer);
+        }
+
+        return FLUID_FAILED;
+    }
+
+    player->division = fluid_midi_file_get_division(midifile);
+    fluid_player_update_tempo(player);  // Update deltatime
+    /*FLUID_LOG(FLUID_DBG, "quarter note division=%d\n", player->division); */
+
+    if(fluid_midi_file_load_tracks(midifile, player) != FLUID_OK)
+    {
+        if(buffer_owned)
+        {
+            FLUID_FREE(buffer);
+        }
+
+        delete_fluid_midi_file(midifile);
+        return FLUID_FAILED;
+    }
+
+    delete_fluid_midi_file(midifile);
+
+    if(buffer_owned)
+    {
+        FLUID_FREE(buffer);
+    }
+
+    return FLUID_OK;
+}
+
+void
+fluid_player_advancefile(fluid_player_t *player)
+{
+    if(player->playlist == NULL)
+    {
+        return; /* No files to play */
+    }
+
+    if(player->currentfile != NULL)
+    {
+        player->currentfile = fluid_list_next(player->currentfile);
+    }
+
+    if(player->currentfile == NULL)
+    {
+        if(player->loop == 0)
+        {
+            return; /* We're done playing */
+        }
+
+        if(player->loop > 0)
+        {
+            player->loop--;
+        }
+
+        player->currentfile = player->playlist;
+    }
+}
+
+void
+fluid_player_playlist_load(fluid_player_t *player, unsigned int msec)
+{
+    fluid_playlist_item *current_playitem;
+    int i;
+
+    do
+    {
+        fluid_player_advancefile(player);
+
+        if(player->currentfile == NULL)
+        {
+            /* Failed to find next song, probably since we're finished */
+            fluid_atomic_int_set(&player->status, FLUID_PLAYER_DONE);
+            return;
+        }
+
+        fluid_player_reset(player);
+        current_playitem = (fluid_playlist_item *) player->currentfile->data;
+    }
+    while(fluid_player_load(player, current_playitem) != FLUID_OK);
+
+    /* Successfully loaded midi file */
+
+    player->begin_msec = msec;
+    player->start_msec = msec;
+    player->start_ticks = 0;
+    player->cur_ticks = 0;
+
+    for(i = 0; i < player->ntracks; i++)
+    {
+        if(player->track[i] != NULL)
+        {
+            fluid_track_reset(player->track[i]);
+        }
+    }
+}
+
+/*
+ * fluid_player_callback
+ */
+int
+fluid_player_callback(void *data, unsigned int msec)
+{
+    int i;
+    int loadnextfile;
+    int status = FLUID_PLAYER_DONE;
+    fluid_midi_event_t mute_event;
+    fluid_player_t *player;
+    fluid_synth_t *synth;
+    player = (fluid_player_t *) data;
+    synth = player->synth;
+
+    loadnextfile = player->currentfile == NULL ? 1 : 0;
+    
+    fluid_midi_event_set_type(&mute_event, CONTROL_CHANGE);
+    mute_event.param1 = ALL_SOUND_OFF;
+    mute_event.param2 = 1;
+
+    if(fluid_player_get_status(player) != FLUID_PLAYER_PLAYING)
+    {
+        if(fluid_atomic_int_get(&player->stopping))
+        {
+            for(i = 0; i < synth->midi_channels; i++)
+            {
+                if(player->channel_isplaying[i])
+                {
+                    fluid_midi_event_set_channel(&mute_event, i);
+                    player->playback_callback(player->playback_userdata, &mute_event);
+                    player->channel_isplaying[i] = FALSE;
+                }
+            }
+            fluid_atomic_int_set(&player->stopping, 0);
+        }
+        return 1;
+    }
+    do
+    {
+        float deltatime;
+        int seek_ticks;
+
+        if(loadnextfile)
+        {
+            loadnextfile = 0;
+            fluid_player_playlist_load(player, msec);
+
+            if(player->currentfile == NULL)
+            {
+                return 0;
+            }
+        }
+
+        if(msec < player->cur_msec)
+        {
+            // overflow of fluid_synth_get_ticks()
+            FLUID_LOG(FLUID_ERR, "The maximum playback duration has been reached. Terminating player!");
+            fluid_player_stop(player);
+            fluid_player_seek(player, 0);
+            player->cur_ticks = 0;
+            return 0;
+        }
+
+        player->cur_msec = msec;
+        deltatime = fluid_atomic_float_get(&player->deltatime);
+        player->cur_ticks = (player->start_ticks
+                             + (int)((double)(player->cur_msec - player->start_msec)
+                                     / deltatime + 0.5)); /* 0.5 to average overall error when casting */
+
+        seek_ticks = fluid_atomic_int_get(&player->seek_ticks);
+        if(seek_ticks >= 0)
+        {
+            for(i = 0; i < synth->midi_channels; i++)
+            {
+                if(player->channel_isplaying[i])
+                {
+                    fluid_midi_event_set_channel(&mute_event, i);
+                    player->playback_callback(player->playback_userdata, &mute_event);
+                    player->channel_isplaying[i] = FALSE;
+                }
+            }
+        }
+
+        for(i = 0; i < player->ntracks; i++)
+        {
+            fluid_track_send_events(player->track[i], synth, player, player->cur_ticks, seek_ticks);
+            if(!fluid_track_eot(player->track[i]))
+            {
+                status = FLUID_PLAYER_PLAYING;
+            }
+        }
+
+        if(seek_ticks >= 0)
+        {
+            player->start_ticks = seek_ticks;   /* tick position of last tempo value (which is now) */
+            player->cur_ticks = seek_ticks;
+            player->begin_msec = msec;      /* only used to calculate the duration of playing */
+            player->start_msec = msec;      /* should be the (synth)-time of the last tempo change */
+            fluid_atomic_int_set(&player->seek_ticks, -1); /* clear seek_ticks */
+        }
+        
+        if(fluid_list_next(player->currentfile) == NULL && player->loop == 0)
+        {
+            /* Once we've run out of MIDI events, keep playing until no voices are active */
+            if(status == FLUID_PLAYER_DONE && fluid_synth_get_active_voice_count(player->synth) > 0)
+            {
+                /* The first time we notice we've run out of MIDI events but there are still active voices, disable all hold pedals */
+                if(!player->end_pedals_disabled)
+                {
+                    for(i = 0; i < synth->midi_channels; i++)
+                    {
+                        fluid_synth_cc(player->synth, i, SUSTAIN_SWITCH, 0);
+                        fluid_synth_cc(player->synth, i, SOSTENUTO_SWITCH, 0);
+                    }
+
+                    player->end_pedals_disabled = 1;
+                }
+
+                status = FLUID_PLAYER_PLAYING;
+            }
+
+            /* Once no voices are active, if end_msec hasn't been scheduled, schedule it so we wait for reverb, etc to finish */
+            if(status == FLUID_PLAYER_DONE && player->end_msec < 0)
+            {
+                player->end_msec = msec + FLUID_PLAYER_STOP_GRACE_MS;
+            }
+            /* If end_msec has been scheduled and is in the future, keep playing */
+            if (player->end_msec >= 0 && msec < (unsigned int) player->end_msec)
+            {
+                status = FLUID_PLAYER_PLAYING;
+            }
+        }
+
+        /* Once there's no reason to keep playing, we're actually done */
+        if(status == FLUID_PLAYER_DONE)
+        {
+            FLUID_LOG(FLUID_DBG, "%s: %d: Duration=%.3f sec", __FILE__,
+                      __LINE__, (msec - player->begin_msec) / 1000.0);
+
+            if(player->reset_synth_between_songs)
+            {
+                fluid_synth_system_reset(player->synth);
+            }
+
+            loadnextfile = 1;
+        }
+
+        if (player->tick_callback != NULL && player->last_callback_ticks != player->cur_ticks) {
+            player->tick_callback(player->tick_userdata, player->cur_ticks);
+            player->last_callback_ticks = player->cur_ticks;
+        }
+    }
+    while(loadnextfile);
+
+    /* do not update the status if the player has been stopped already */
+    fluid_atomic_int_compare_and_exchange(&player->status, FLUID_PLAYER_PLAYING, status);
+
+    return 1;
+}
+
+/**
+ * Activates play mode for a MIDI player if not already playing.
+ * @param player MIDI player instance
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ *
+ * If the list of files added to the player has completed its requested number of loops,
+ * the playlist will be restarted from the beginning with a loop count of 1.
+ */
+int
+fluid_player_play(fluid_player_t *player)
+{
+    if(fluid_player_get_status(player) == FLUID_PLAYER_PLAYING ||
+       player->playlist == NULL)
+    {
+        return FLUID_OK;
+    }
+
+    if(!player->use_system_timer)
+    {
+        fluid_sample_timer_reset(player->synth, player->sample_timer);
+    }
+
+    /* If we're at the end of the playlist and there are no loops left, loop once */
+    if(player->currentfile == NULL && player->loop == 0)
+    {
+      player->loop = 1;
+    }
+
+    player->end_msec = -1;
+    player->end_pedals_disabled = 0;
+
+    fluid_atomic_int_set(&player->status, FLUID_PLAYER_PLAYING);
+
+    return FLUID_OK;
+}
+
+/**
+ * Pauses the MIDI playback.
+ *
+ * @param player MIDI player instance
+ * @return Always returns #FLUID_OK
+ *
+ * It will not rewind to the beginning of the file, use fluid_player_seek() for this purpose.
+ */
+int
+fluid_player_stop(fluid_player_t *player)
+{
+    fluid_atomic_int_set(&player->status, FLUID_PLAYER_DONE);
+    fluid_atomic_int_set(&player->stopping, 1);
+    fluid_player_seek(player, fluid_player_get_current_tick(player));
+    return FLUID_OK;
+}
+
+/**
+ * Get MIDI player status.
+ * @param player MIDI player instance
+ * @return Player status (#fluid_player_status)
+ * @since 1.1.0
+ */
+int
+fluid_player_get_status(fluid_player_t *player)
+{
+    return fluid_atomic_int_get(&player->status);
+}
+
+/**
+ * Seek in the currently playing file.
+ *
+ * @param player MIDI player instance
+ * @param ticks the position to seek to in the current file
+ * @return #FLUID_FAILED if ticks is negative or after the latest tick of the file
+ * [or, since 2.1.3, if another seek operation is currently in progress],
+ * #FLUID_OK otherwise.
+ *
+ * The actual seek will be performed when the synth calls back the player (i.e. a few
+ * levels above the player's callback set with fluid_player_set_playback_callback()).
+ * If the player's status is #FLUID_PLAYER_PLAYING and a previous seek operation has
+ * not been completed yet, #FLUID_FAILED is returned.
+ *
+ * @since 2.0.0
+ */
+int fluid_player_seek(fluid_player_t *player, int ticks)
+{
+    if(ticks < 0 || (fluid_player_get_status(player) != FLUID_PLAYER_READY && ticks > fluid_player_get_total_ticks(player)))
+    {
+        return FLUID_FAILED;
+    }
+
+    if(fluid_player_get_status(player) == FLUID_PLAYER_PLAYING)
+    {
+        if(fluid_atomic_int_compare_and_exchange(&player->seek_ticks, -1, ticks))
+        {
+            // new seek position has been set, as no previous seek was in progress
+            return FLUID_OK;
+        }
+    }
+    else
+    {
+        // If the player is not currently playing, a new seek position can be set at any time. This allows
+        // the user to do:
+        // fluid_player_stop();
+        // fluid_player_seek(0); // to beginning
+        fluid_atomic_int_set(&player->seek_ticks, ticks);
+        return FLUID_OK;
+    }
+
+    // a previous seek is still in progress or hasn't been processed yet
+    return FLUID_FAILED;
+}
+
+
+/**
+ * Enable looping of a MIDI player
+ *
+ * @param player MIDI player instance
+ * @param loop Times left to loop the playlist. -1 means loop infinitely.
+ * @return Always returns #FLUID_OK
+ *
+ * For example, if you want to loop the playlist twice, set loop to 2
+ * and call this function before you start the player.
+ *
+ * @since 1.1.0
+ */
+int fluid_player_set_loop(fluid_player_t *player, int loop)
+{
+    player->loop = loop;
+    return FLUID_OK;
+}
+
+/**
+ * update the MIDI player internal deltatime dependent of actual tempo.
+ * @param player MIDI player instance
+ */
+static void fluid_player_update_tempo(fluid_player_t *player)
+{
+    int tempo; /* tempo in micro seconds by quarter note */
+    float deltatime;
+
+    /* do nothing if the division is still unknown to avoid a div by zero */
+    if(player->division == 0)
+    {
+        return;
+    }
+
+    if(fluid_atomic_int_get(&player->sync_mode))
+    {
+        /* take internal tempo from MIDI file */
+        tempo = fluid_atomic_int_get(&player->miditempo);
+        /* compute deltattime (in ms) from current tempo and apply tempo multiplier */
+        deltatime = (float)tempo / (float)player->division / (float)1000.0;
+        deltatime /= fluid_atomic_float_get(&player->multempo); /* multiply tempo */
+    }
+    else
+    {
+        /* take  external tempo */
+        tempo = fluid_atomic_int_get(&player->exttempo);
+        /* compute deltattime (in ms) from current tempo */
+        deltatime = (float)tempo / (float)player->division / (float)1000.0;
+    }
+
+    fluid_atomic_float_set(&player->deltatime, deltatime);
+
+    player->start_msec = player->cur_msec;
+    player->start_ticks = player->cur_ticks;
+
+    FLUID_LOG(FLUID_DBG,
+              "tempo=%d, tick time=%f msec, cur time=%d msec, cur tick=%d",
+              tempo, player->deltatime, player->cur_msec, player->cur_ticks);
+
+}
+
+/**
+ * Set the tempo of a MIDI player.
+ * The player can be controlled by internal tempo coming from MIDI file tempo
+ * change or controlled by external tempo expressed in BPM or in micro seconds
+ * per quarter note.
+ *
+ * @param player MIDI player instance. Must be a valid pointer.
+ * @param tempo_type Must a be value of #fluid_player_set_tempo_type and indicates the
+ *  meaning of tempo value and how the player will be controlled, see below.
+ * @param tempo Tempo value or multiplier.
+ * 
+ *  #FLUID_PLAYER_TEMPO_INTERNAL, the player will be controlled by internal
+ *  MIDI file tempo changes. If there are no tempo change in the MIDI file a default
+ *  value of 120 bpm is used. The @c tempo parameter is used as a multiplier factor
+ *  that must be in the range (0.001 to 1000).
+ *  For example, if the current MIDI file tempo is 120 bpm and the multiplier
+ *  value is 0.5 then this tempo will be slowed down to 60 bpm.
+ *  At creation, the player is set to be controlled by internal tempo with a
+ *  multiplier factor set to 1.0.
+ *
+ *  #FLUID_PLAYER_TEMPO_EXTERNAL_BPM, the player will be controlled by the
+ *  external tempo value provided  by the tempo parameter in bpm
+ *  (i.e in quarter notes per minute) which must be in the range (1 to 60000000).
+ *
+ *  #FLUID_PLAYER_TEMPO_EXTERNAL_MIDI, similar as FLUID_PLAYER_TEMPO_EXTERNAL_BPM,
+ *  but the tempo parameter value is in  micro seconds per quarter note which
+ *  must be in the range (1 to 60000000).
+ *  Using micro seconds per quarter note is convenient when the tempo value is
+ *  derived from MIDI clock realtime messages.
+ *
+ * @note When the player is controlled by an external tempo
+ * (#FLUID_PLAYER_TEMPO_EXTERNAL_BPM or #FLUID_PLAYER_TEMPO_EXTERNAL_MIDI) it
+ * continues to memorize the most recent internal tempo change coming from the
+ * MIDI file so that next call to fluid_player_set_tempo() with
+ * #FLUID_PLAYER_TEMPO_INTERNAL will set the player to follow this internal
+ * tempo.
+ *
+ * @warning If the function is called when no MIDI file is loaded or currently playing, it
+ * would have caused a division by zero in fluidsynth 2.2.7 and earlier. Starting with 2.2.8, the
+ * new tempo change will be stashed and applied later.
+ *
+ * @return #FLUID_OK if success or #FLUID_FAILED otherwise (incorrect parameters).
+ * @since 2.2.0
+ */
+int fluid_player_set_tempo(fluid_player_t *player, int tempo_type, double tempo)
+{
+    fluid_return_val_if_fail(player != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(tempo_type >= FLUID_PLAYER_TEMPO_INTERNAL, FLUID_FAILED);
+    fluid_return_val_if_fail(tempo_type < FLUID_PLAYER_TEMPO_NBR, FLUID_FAILED);
+
+    switch(tempo_type)
+    {
+        /* set the player to be driven by internal tempo coming from MIDI file */
+        case FLUID_PLAYER_TEMPO_INTERNAL:
+            /* check if the multiplier is in correct range */
+            fluid_return_val_if_fail(tempo >= MIN_TEMPO_MULTIPLIER, FLUID_FAILED);
+            fluid_return_val_if_fail(tempo <= MAX_TEMPO_MULTIPLIER, FLUID_FAILED);
+
+            /* set the tempo multiplier */
+            fluid_atomic_float_set(&player->multempo, (float)tempo);
+            fluid_atomic_int_set(&player->sync_mode, 1); /* set internal mode */
+            break;
+
+        /* set the player to be driven by external tempo */
+        case FLUID_PLAYER_TEMPO_EXTERNAL_BPM:  /* value in bpm */
+        case FLUID_PLAYER_TEMPO_EXTERNAL_MIDI: /* value in us/quarter note */
+            /* check if tempo is in correct range */
+            fluid_return_val_if_fail(tempo >= MIN_TEMPO_VALUE, FLUID_FAILED);
+            fluid_return_val_if_fail(tempo <= MAX_TEMPO_VALUE, FLUID_FAILED);
+
+            /* set the tempo value */
+            if(tempo_type == FLUID_PLAYER_TEMPO_EXTERNAL_BPM)
+            {
+                tempo = 60000000L / tempo; /* convert tempo in us/quarter note */
+            }
+            fluid_atomic_int_set(&player->exttempo, (int)tempo);
+            fluid_atomic_int_set(&player->sync_mode, 0); /* set external mode */
+            break;
+
+        default: /* shouldn't happen */
+            break;
+    }
+
+    /* update deltatime depending of current tempo */
+    fluid_player_update_tempo(player);
+
+    return FLUID_OK;
+}
+
+/**
+ * Set the tempo of a MIDI player.
+ * @param player MIDI player instance
+ * @param tempo Tempo to set playback speed to (in microseconds per quarter note, as per MIDI file spec)
+ * @return Always returns #FLUID_OK
+ * @note Tempo change events contained in the MIDI file can override the specified tempo at any time!
+ * @deprecated Use fluid_player_set_tempo() instead.
+ */
+int fluid_player_set_midi_tempo(fluid_player_t *player, int tempo)
+{
+    player->miditempo = tempo;
+
+    fluid_player_update_tempo(player);
+    return FLUID_OK;
+}
+
+/**
+ * Set the tempo of a MIDI player in beats per minute.
+ * @param player MIDI player instance
+ * @param bpm Tempo in beats per minute
+ * @return Always returns #FLUID_OK
+ * @note Tempo change events contained in the MIDI file can override the specified BPM at any time!
+ * @deprecated Use fluid_player_set_tempo() instead.
+ */
+int fluid_player_set_bpm(fluid_player_t *player, int bpm)
+{
+    if(bpm <= 0)
+    {
+        return FLUID_FAILED; /* to avoid a division by 0 */
+    }
+
+    return fluid_player_set_midi_tempo(player, 60000000L / bpm);
+}
+
+/**
+ * Wait for a MIDI player until the playback has been stopped.
+ * @param player MIDI player instance
+ * @return Always #FLUID_OK
+ *
+ * @warning The player may still be used by a concurrently running synth context. Hence it is
+ * not safe to immediately delete the player afterwards. Also refer to delete_fluid_player().
+ */
+int
+fluid_player_join(fluid_player_t *player)
+{
+    while(fluid_player_get_status(player) != FLUID_PLAYER_DONE)
+    {
+        fluid_msleep(10);
+    }
+    return FLUID_OK;
+}
+
+/**
+ * Get the number of tempo ticks passed.
+ * @param player MIDI player instance
+ * @return The number of tempo ticks passed
+ * @since 1.1.7
+ */
+int fluid_player_get_current_tick(fluid_player_t *player)
+{
+    return player->cur_ticks;
+}
+
+/**
+ * Looks through all available MIDI tracks and gets the absolute tick of the very last event to play.
+ * @param player MIDI player instance
+ * @return Total tick count of the sequence
+ * @since 1.1.7
+ */
+int fluid_player_get_total_ticks(fluid_player_t *player)
+{
+    int i;
+    int maxTicks = 0;
+
+    for(i = 0; i < player->ntracks; i++)
+    {
+        if(player->track[i] != NULL)
+        {
+            int ticks = fluid_track_get_duration(player->track[i]);
+
+            if(ticks > maxTicks)
+            {
+                maxTicks = ticks;
+            }
+        }
+    }
+
+    return maxTicks;
+}
+
+/**
+ * Get the tempo currently used by a MIDI player.
+ * The player can be controlled by internal tempo coming from MIDI file tempo
+ * change or controlled by external tempo see fluid_player_set_tempo().
+ * @param player MIDI player instance. Must be a valid pointer.
+ * @return MIDI player tempo in BPM or FLUID_FAILED if error.
+ * @since 1.1.7
+ */
+int fluid_player_get_bpm(fluid_player_t *player)
+{
+
+    int midi_tempo = fluid_player_get_midi_tempo(player);
+
+    if(midi_tempo > 0)
+    {
+        midi_tempo = 60000000L / midi_tempo; /* convert in bpm */
+    }
+
+    return midi_tempo;
+}
+
+/**
+ * Get the division currently used by a MIDI player.
+ * The player can be controlled by internal tempo coming from MIDI file tempo
+ * change or controlled by external tempo see fluid_player_set_tempo().
+ * @param player MIDI player instance. Must be a valid pointer.
+ * @return MIDI player division or FLUID_FAILED if error.
+ * @since 2.3.2
+ */
+int fluid_player_get_division(fluid_player_t *player)
+{
+    return player->division;
+}
+
+/**
+ * Get the tempo currently used by a MIDI player.
+ * The player can be controlled by internal tempo coming from MIDI file tempo
+ * change or controlled by external tempo see fluid_player_set_tempo().
+
+ * @param player MIDI player instance. Must be a valid pointer.
+ * @return Tempo of the MIDI player (in microseconds per quarter note, as per
+ * MIDI file spec) or FLUID_FAILED if error.
+ * @since 1.1.7
+ */
+int fluid_player_get_midi_tempo(fluid_player_t *player)
+{
+    int midi_tempo; /* value to return */
+
+    fluid_return_val_if_fail(player != NULL, FLUID_FAILED);
+
+    midi_tempo = fluid_atomic_int_get(&player->exttempo);
+    /* look if the player is internally synced */
+    if(fluid_atomic_int_get(&player->sync_mode))
+    {
+        midi_tempo = (int)((float)fluid_atomic_int_get(&player->miditempo)/
+                           fluid_atomic_float_get(&player->multempo));
+    }
+
+    return midi_tempo;
+}
+
+/************************************************************************
+ *       MIDI PARSER
+ *
+ */
+
+/*
+ * new_fluid_midi_parser
+ */
+fluid_midi_parser_t *
+new_fluid_midi_parser()
+{
+    fluid_midi_parser_t *parser;
+    parser = FLUID_NEW(fluid_midi_parser_t);
+
+    if(parser == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return NULL;
+    }
+
+    parser->status = 0; /* As long as the status is 0, the parser won't do anything -> no need to initialize all the fields. */
+    return parser;
+}
+
+/*
+ * delete_fluid_midi_parser
+ */
+void
+delete_fluid_midi_parser(fluid_midi_parser_t *parser)
+{
+    fluid_return_if_fail(parser != NULL);
+
+    FLUID_FREE(parser);
+}
+
+/**
+ * Parse a MIDI stream one character at a time.
+ * @param parser Parser instance
+ * @param c Next character in MIDI stream
+ * @return A parsed MIDI event or NULL if none.  Event is internal and should
+ *   not be modified or freed and is only valid until next call to this function.
+ * @internal Do not expose this function to the public API. It would allow downstream
+ * apps to abuse fluidsynth as midi parser, e.g. feeding it with rawmidi and pull out
+ * the needed midi information using the getter functions of fluid_midi_event_t.
+ * This parser however is incomplete as it e.g. only provides a limited buffer to
+ * store and process SYSEX data (i.e. doesn't allow arbitrary lengths)
+ */
+fluid_midi_event_t *
+fluid_midi_parser_parse(fluid_midi_parser_t *parser, unsigned char c)
+{
+    fluid_midi_event_t *event;
+
+    /* Real-time messages (0xF8-0xFF) can occur anywhere, even in the middle
+     * of another message. */
+    if(c >= 0xF8)
+    {
+        parser->event.type = c;
+        parser->status = 0; /* clear the status */
+        return &parser->event;
+    }
+
+    /* Status byte? - If previous message not yet complete, it is discarded (re-sync). */
+    if(c & 0x80)
+    {
+        /* Any status byte terminates SYSEX messages (not just 0xF7) */
+        if(parser->status == MIDI_SYSEX && parser->nr_bytes > 0)
+        {
+            event = &parser->event;
+            fluid_midi_event_set_sysex(event, parser->data, parser->nr_bytes,
+                                       FALSE);
+        }
+        else
+        {
+            event = NULL;
+        }
+
+        if(c < 0xF0)  /* Voice category message? */
+        {
+            parser->channel = c & 0x0F;
+            parser->status = c & 0xF0;
+
+            /* The event consumes x bytes of data... (subtract 1 for the status byte) */
+            parser->nr_bytes_total = fluid_midi_event_length(parser->status)
+                                     - 1;
+
+            parser->nr_bytes = 0; /* 0  bytes read so far */
+        }
+        else if(c == MIDI_SYSEX)
+        {
+            parser->status = MIDI_SYSEX;
+            parser->nr_bytes = 0;
+        }
+        else
+        {
+            parser->status = 0;    /* Discard other system messages (0xF1-0xF7) */
+        }
+
+        return event; /* Return SYSEX event or NULL */
+    }
+
+    /* Data/parameter byte */
+
+    /* Discard data bytes for events we don't care about */
+    if(parser->status == 0)
+    {
+        return NULL;
+    }
+
+    /* Max data size exceeded? (SYSEX messages only really) */
+    if(parser->nr_bytes == FLUID_MIDI_PARSER_MAX_DATA_SIZE)
+    {
+        parser->status = 0; /* Discard the rest of the message */
+        return NULL;
+    }
+
+    /* Store next byte */
+    parser->data[parser->nr_bytes++] = c;
+
+    /* Do we still need more data to get this event complete? */
+    if(parser->status == MIDI_SYSEX || parser->nr_bytes < parser->nr_bytes_total)
+    {
+        return NULL;
+    }
+
+    /* Event is complete, return it.
+     * Running status byte MIDI feature is also handled here. */
+    parser->event.type = parser->status;
+    parser->event.channel = parser->channel;
+    parser->nr_bytes = 0; /* Reset data size, in case there are additional running status messages */
+
+    switch(parser->status)
+    {
+    case NOTE_OFF:
+    case NOTE_ON:
+    case KEY_PRESSURE:
+    case CONTROL_CHANGE:
+    case PROGRAM_CHANGE:
+    case CHANNEL_PRESSURE:
+        parser->event.param1 = parser->data[0]; /* For example key number */
+        parser->event.param2 = parser->data[1]; /* For example velocity */
+        break;
+
+    case PITCH_BEND:
+        /* Pitch-bend is transmitted with 14-bit precision. */
+        parser->event.param1 = (parser->data[1] << 7) | parser->data[0];
+        break;
+
+    default: /* Unlikely */
+        return NULL;
+    }
+
+    return &parser->event;
+}
+
+/* Purpose:
+ * Returns the length of a MIDI message. */
+static int
+fluid_midi_event_length(unsigned char event)
+{
+    switch(event & 0xF0)
+    {
+    case NOTE_OFF:
+    case NOTE_ON:
+    case KEY_PRESSURE:
+    case CONTROL_CHANGE:
+    case PITCH_BEND:
+        return 3;
+
+    case PROGRAM_CHANGE:
+    case CHANNEL_PRESSURE:
+        return 2;
+    }
+
+    switch(event)
+    {
+    case MIDI_TIME_CODE:
+    case MIDI_SONG_SELECT:
+    case 0xF4:
+    case 0xF5:
+        return 2;
+
+    case MIDI_TUNE_REQUEST:
+        return 1;
+
+    case MIDI_SONG_POSITION:
+        return 3;
+    }
+
+    return 1;
+}
diff --git a/libs/fluidsynth/src/midi/fluid_midi.h b/libs/fluidsynth/src/midi/fluid_midi.h
new file mode 100644
index 00000000000..bd3b4e8a1b1
--- /dev/null
+++ b/libs/fluidsynth/src/midi/fluid_midi.h
@@ -0,0 +1,384 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#ifndef _FLUID_MIDI_H
+#define _FLUID_MIDI_H
+
+#include "fluidsynth_priv.h"
+#include "fluid_sys.h"
+#include "fluid_list.h"
+
+typedef struct _fluid_midi_parser_t fluid_midi_parser_t;
+
+fluid_midi_parser_t *new_fluid_midi_parser(void);
+void delete_fluid_midi_parser(fluid_midi_parser_t *parser);
+fluid_midi_event_t *fluid_midi_parser_parse(fluid_midi_parser_t *parser, unsigned char c);
+
+
+/***************************************************************
+ *
+ *                   CONSTANTS & ENUM
+ */
+
+
+#define MAX_NUMBER_OF_TRACKS 128
+#define MAX_NUMBER_OF_CHANNELS 16
+
+enum fluid_midi_event_type
+{
+    /* channel messages */
+    NOTE_OFF = 0x80,
+    NOTE_ON = 0x90,
+    KEY_PRESSURE = 0xa0,
+    CONTROL_CHANGE = 0xb0,
+    PROGRAM_CHANGE = 0xc0,
+    CHANNEL_PRESSURE = 0xd0,
+    PITCH_BEND = 0xe0,
+    /* system exclusive */
+    MIDI_SYSEX = 0xf0,
+    /* system common - never in midi files */
+    MIDI_TIME_CODE = 0xf1,
+    MIDI_SONG_POSITION = 0xf2,
+    MIDI_SONG_SELECT = 0xf3,
+    MIDI_TUNE_REQUEST = 0xf6,
+    MIDI_EOX = 0xf7,
+    /* system real-time - never in midi files */
+    MIDI_SYNC = 0xf8,
+    MIDI_TICK = 0xf9,
+    MIDI_START = 0xfa,
+    MIDI_CONTINUE = 0xfb,
+    MIDI_STOP = 0xfc,
+    MIDI_ACTIVE_SENSING = 0xfe,
+    MIDI_SYSTEM_RESET = 0xff,
+    /* meta event - for midi files only */
+    MIDI_META_EVENT = 0xff
+};
+
+enum fluid_midi_control_change
+{
+    BANK_SELECT_MSB = 0x00,
+    MODULATION_MSB = 0x01,
+    BREATH_MSB = 0x02,
+    FOOT_MSB = 0x04,
+    PORTAMENTO_TIME_MSB = 0x05,
+    DATA_ENTRY_MSB = 0x06,
+    VOLUME_MSB = 0x07,
+    BALANCE_MSB = 0x08,
+    PAN_MSB = 0x0A,
+    EXPRESSION_MSB = 0x0B,
+    EFFECTS1_MSB = 0x0C,
+    EFFECTS2_MSB = 0x0D,
+    GPC1_MSB = 0x10, /* general purpose controller */
+    GPC2_MSB = 0x11,
+    GPC3_MSB = 0x12,
+    GPC4_MSB = 0x13,
+    BANK_SELECT_LSB = 0x20,
+    MODULATION_WHEEL_LSB = 0x21,
+    BREATH_LSB = 0x22,
+    FOOT_LSB = 0x24,
+    PORTAMENTO_TIME_LSB = 0x25,
+    DATA_ENTRY_LSB = 0x26,
+    VOLUME_LSB = 0x27,
+    BALANCE_LSB = 0x28,
+    PAN_LSB = 0x2A,
+    EXPRESSION_LSB = 0x2B,
+    EFFECTS1_LSB = 0x2C,
+    EFFECTS2_LSB = 0x2D,
+    GPC1_LSB = 0x30,
+    GPC2_LSB = 0x31,
+    GPC3_LSB = 0x32,
+    GPC4_LSB = 0x33,
+    SUSTAIN_SWITCH = 0x40,
+    PORTAMENTO_SWITCH = 0x41,
+    SOSTENUTO_SWITCH = 0x42,
+    SOFT_PEDAL_SWITCH = 0x43,
+    LEGATO_SWITCH = 0x44,
+    HOLD2_SWITCH = 0x45,
+    SOUND_CTRL1 = 0x46,
+    SOUND_CTRL2 = 0x47,
+    SOUND_CTRL3 = 0x48,
+    SOUND_CTRL4 = 0x49,
+    SOUND_CTRL5 = 0x4A,
+    SOUND_CTRL6 = 0x4B,
+    SOUND_CTRL7 = 0x4C,
+    SOUND_CTRL8 = 0x4D,
+    SOUND_CTRL9 = 0x4E,
+    SOUND_CTRL10 = 0x4F,
+    GPC5 = 0x50,
+    GPC6 = 0x51,
+    GPC7 = 0x52,
+    GPC8 = 0x53,
+    PORTAMENTO_CTRL = 0x54,
+    EFFECTS_DEPTH1 = 0x5B,
+    EFFECTS_DEPTH2 = 0x5C,
+    EFFECTS_DEPTH3 = 0x5D,
+    EFFECTS_DEPTH4 = 0x5E,
+    EFFECTS_DEPTH5 = 0x5F,
+    DATA_ENTRY_INCR = 0x60,
+    DATA_ENTRY_DECR = 0x61,
+    NRPN_LSB = 0x62,
+    NRPN_MSB = 0x63,
+    RPN_LSB = 0x64,
+    RPN_MSB = 0x65,
+    ALL_SOUND_OFF = 0x78,
+    ALL_CTRL_OFF = 0x79,
+    LOCAL_CONTROL = 0x7A,
+    ALL_NOTES_OFF = 0x7B,
+    OMNI_OFF = 0x7C,
+    OMNI_ON = 0x7D,
+    POLY_OFF = 0x7E,
+    POLY_ON = 0x7F
+};
+
+/* General MIDI RPN event numbers (LSB, MSB = 0) */
+enum midi_rpn_event
+{
+    RPN_PITCH_BEND_RANGE = 0x00,
+    RPN_CHANNEL_FINE_TUNE = 0x01,
+    RPN_CHANNEL_COARSE_TUNE = 0x02,
+    RPN_TUNING_PROGRAM_CHANGE = 0x03,
+    RPN_TUNING_BANK_SELECT = 0x04,
+    RPN_MODULATION_DEPTH_RANGE = 0x05
+};
+
+enum midi_meta_event
+{
+    MIDI_TEXT = 0x01,
+    MIDI_COPYRIGHT = 0x02,
+    MIDI_TRACK_NAME = 0x03,
+    MIDI_INST_NAME = 0x04,
+    MIDI_LYRIC = 0x05,
+    MIDI_MARKER = 0x06,
+    MIDI_CUE_POINT = 0x07,
+    MIDI_EOT = 0x2f,
+    MIDI_SET_TEMPO = 0x51,
+    MIDI_SMPTE_OFFSET = 0x54,
+    MIDI_TIME_SIGNATURE = 0x58,
+    MIDI_KEY_SIGNATURE = 0x59,
+    MIDI_SEQUENCER_EVENT = 0x7f
+};
+
+/* MIDI SYSEX useful manufacturer values */
+enum midi_sysex_manuf
+{
+    MIDI_SYSEX_MANUF_ROLAND       = 0x41,         /**< Roland manufacturer ID */
+    MIDI_SYSEX_MANUF_YAMAHA       = 0x43,
+    MIDI_SYSEX_UNIV_NON_REALTIME  = 0x7E,         /**< Universal non realtime message */
+    MIDI_SYSEX_UNIV_REALTIME      = 0x7F          /**< Universal realtime message */
+};
+
+#define MIDI_SYSEX_DEVICE_ID_ALL        0x7F    /**< Device ID used in SYSEX messages to indicate all devices */
+
+/* SYSEX sub-ID #1 which follows device ID */
+#define MIDI_SYSEX_MIDI_TUNING_ID       0x08    /**< Sysex sub-ID #1 for MIDI tuning messages */
+#define MIDI_SYSEX_GM_ID                0x09    /**< Sysex sub-ID #1 for General MIDI messages */
+#define MIDI_SYSEX_GS_ID                0x42    /**< Model ID (GS) serving as sub-ID #1 for GS messages*/
+#define MIDI_SYSEX_XG_ID                0x4C    /**< Model ID (XG) serving as sub-ID #1 for XG messages*/
+
+/**
+ * SYSEX tuning message IDs.
+ */
+enum midi_sysex_tuning_msg_id
+{
+    MIDI_SYSEX_TUNING_BULK_DUMP_REQ       = 0x00, /**< Bulk tuning dump request (non-realtime) */
+    MIDI_SYSEX_TUNING_BULK_DUMP           = 0x01, /**< Bulk tuning dump response (non-realtime) */
+    MIDI_SYSEX_TUNING_NOTE_TUNE           = 0x02, /**< Tuning note change message (realtime) */
+    MIDI_SYSEX_TUNING_BULK_DUMP_REQ_BANK  = 0x03, /**< Bulk tuning dump request (with bank, non-realtime) */
+    MIDI_SYSEX_TUNING_BULK_DUMP_BANK      = 0x04, /**< Bulk tuning dump response (with bank, non-realtime) */
+    MIDI_SYSEX_TUNING_OCTAVE_DUMP_1BYTE   = 0x05, /**< Octave tuning dump using 1 byte values (non-realtime) */
+    MIDI_SYSEX_TUNING_OCTAVE_DUMP_2BYTE   = 0x06, /**< Octave tuning dump using 2 byte values (non-realtime) */
+    MIDI_SYSEX_TUNING_NOTE_TUNE_BANK      = 0x07, /**< Tuning note change message (with bank, realtime/non-realtime) */
+    MIDI_SYSEX_TUNING_OCTAVE_TUNE_1BYTE   = 0x08, /**< Octave tuning message using 1 byte values (realtime/non-realtime) */
+    MIDI_SYSEX_TUNING_OCTAVE_TUNE_2BYTE   = 0x09  /**< Octave tuning message using 2 byte values (realtime/non-realtime) */
+};
+
+/* General MIDI sub-ID #2 */
+#define MIDI_SYSEX_GM_ON                0x01    /**< Enable GM mode */
+#define MIDI_SYSEX_GM_OFF               0x02    /**< Disable GM mode */
+#define MIDI_SYSEX_GM2_ON               0x03    /**< Enable GM2 mode */
+#define MIDI_SYSEX_GS_DT1               0x12    /**< GS DT1 command */
+
+enum fluid_driver_status
+{
+    FLUID_MIDI_READY,
+    FLUID_MIDI_LISTENING,
+    FLUID_MIDI_DONE
+};
+
+/***************************************************************
+ *
+ *         TYPE DEFINITIONS & FUNCTION DECLARATIONS
+ */
+
+/*
+ * fluid_midi_event_t
+ */
+struct _fluid_midi_event_t
+{
+    fluid_midi_event_t *next; /* Link to next event */
+    void *paramptr;           /* Pointer parameter (for SYSEX data), size is stored to param1, param2 indicates if pointer should be freed (dynamic if TRUE) */
+    unsigned int dtime;       /* Delay (ticks) between this and previous event. midi tracks. */
+    unsigned int param1;      /* First parameter */
+    unsigned int param2;      /* Second parameter */
+    unsigned char type;       /* MIDI event type */
+    unsigned char channel;    /* MIDI channel */
+};
+
+
+/*
+ * fluid_track_t
+ */
+struct _fluid_track_t
+{
+    char *name;
+    int num;
+    fluid_midi_event_t *first;
+    fluid_midi_event_t *cur;
+    fluid_midi_event_t *last;
+    unsigned int ticks;
+};
+
+typedef struct _fluid_track_t fluid_track_t;
+
+#define fluid_track_eot(track)  ((track)->cur == NULL)
+
+
+/*
+ * fluid_playlist_item
+ * Used as the `data' elements of the fluid_player.playlist.
+ * Represents either a filename or a pre-loaded memory buffer.
+ * Exactly one of `filename' and `buffer' is non-NULL.
+ */
+typedef struct
+{
+    char *filename;     /** Name of file (owned); NULL if data pre-loaded */
+    void *buffer;       /** The MIDI file data (owned); NULL if filename */
+    size_t buffer_len;  /** Number of bytes in buffer; 0 if filename */
+} fluid_playlist_item;
+
+/* range of tempo values */
+#define MIN_TEMPO_VALUE (1.0f)
+#define MAX_TEMPO_VALUE (60000000.0f)
+/* range of tempo multiplier values */
+#define MIN_TEMPO_MULTIPLIER (0.001f)
+#define MAX_TEMPO_MULTIPLIER (1000.0f)
+
+/*
+ * fluid_player
+ */
+struct _fluid_player_t
+{
+    fluid_atomic_int_t status;
+    fluid_atomic_int_t stopping; /* Flag for sending all_notes_off when player is stopped */
+    int ntracks;
+    fluid_track_t *track[MAX_NUMBER_OF_TRACKS];
+    fluid_synth_t *synth;
+    fluid_timer_t *system_timer;
+    fluid_sample_timer_t *sample_timer;
+
+    int loop; /* -1 = loop infinitely, otherwise times left to loop the playlist */
+    fluid_list_t *playlist; /* List of fluid_playlist_item* objects */
+    fluid_list_t *currentfile; /* points to an item in files, or NULL if not playing */
+
+    char use_system_timer;   /* if zero, use sample timers, otherwise use system clock timer */
+    char reset_synth_between_songs; /* 1 if system reset should be sent to the synth between songs. */
+    fluid_atomic_int_t seek_ticks; /* new position in tempo ticks (midi ticks) for seeking */
+    int start_ticks;          /* the number of tempo ticks passed at the last tempo change */
+    int cur_ticks;            /* the number of tempo ticks passed */
+    int last_callback_ticks;  /* the last tick number that was passed to player->tick_callback */
+    int begin_msec;           /* the time (msec) of the beginning of the file */
+    int start_msec;           /* the start time of the last tempo change */
+    unsigned int cur_msec;    /* the current time */
+    int end_msec;             /* when >=0, playback is extended until this time (for, e.g., reverb) */
+    char end_pedals_disabled; /* 1 once the pedals have been released after the last midi event, 0 otherwise */
+    /* sync mode: indicates the tempo mode the player is driven by (see fluid_player_set_tempo()):
+       1, the player is driven by internal tempo (miditempo). This is the default.
+       0, the player is driven by external tempo (exttempo)
+    */
+    int sync_mode;
+    /* miditempo: internal tempo coming from MIDI file tempo change events
+      (in micro seconds per quarter note)
+    */
+    int miditempo;     /* as indicated by MIDI SetTempo: n 24th of a usec per midi-clock. bravo! */
+    /* exttempo: external tempo set by fluid_player_set_tempo() (in micro seconds per quarter note) */
+    int exttempo;
+    /* multempo: tempo multiplier set by fluid_player_set_tempo() */
+    float multempo;
+    float deltatime;   /* milliseconds per midi tick. depends on current tempo mode (see sync_mode) */
+    unsigned int division;
+
+    handle_midi_event_func_t playback_callback; /* function fired on each midi event as it is played */
+    void *playback_userdata; /* pointer to user-defined data passed to playback_callback function */
+    handle_midi_tick_func_t tick_callback; /* function fired on each tick change */
+    void *tick_userdata; /* pointer to user-defined data passed to tick_callback function */
+
+    int channel_isplaying[MAX_NUMBER_OF_CHANNELS]; /* flags indicating channels on which notes have played */
+};
+
+#define FLUID_PLAYER_STOP_GRACE_MS 2000
+
+void fluid_player_settings(fluid_settings_t *settings);
+
+
+/*
+ * fluid_midi_file
+ */
+typedef struct
+{
+    const char *buffer;           /* Entire contents of MIDI file (borrowed) */
+    int buf_len;                  /* Length of buffer, in bytes */
+    int buf_pos;                  /* Current read position in contents buffer */
+    int eof;                      /* The "end of file" condition */
+    int running_status;
+    int c;
+    int type;
+    int ntracks;
+    int uses_smpte;
+    unsigned int smpte_fps;
+    unsigned int smpte_res;
+    unsigned int division;       /* If uses_SMPTE == 0 then division is
+				  ticks per beat (quarter-note) */
+    double tempo;                /* Beats per second (SI rules =) */
+    int tracklen;
+    int trackpos;
+    int eot;
+    int varlen;
+    int dtime;
+} fluid_midi_file;
+
+
+
+#define FLUID_MIDI_PARSER_MAX_DATA_SIZE 1024    /**< Maximum size of MIDI parameters/data (largest is SYSEX data) */
+
+/*
+ * fluid_midi_parser_t
+ */
+struct _fluid_midi_parser_t
+{
+    unsigned char status;           /* Identifies the type of event, that is currently received ('Noteon', 'Pitch Bend' etc). */
+    unsigned char channel;          /* The channel of the event that is received (in case of a channel event) */
+    unsigned int nr_bytes;          /* How many bytes have been read for the current event? */
+    unsigned int nr_bytes_total;    /* How many bytes does the current event type include? */
+    unsigned char data[FLUID_MIDI_PARSER_MAX_DATA_SIZE]; /* The parameters or SYSEX data */
+    fluid_midi_event_t event;        /* The event, that is returned to the MIDI driver. */
+};
+
+
+#endif /* _FLUID_MIDI_H */
diff --git a/libs/fluidsynth/src/midi/fluid_midi_router.h b/libs/fluidsynth/src/midi/fluid_midi_router.h
new file mode 100644
index 00000000000..5a5068d5ea9
--- /dev/null
+++ b/libs/fluidsynth/src/midi/fluid_midi_router.h
@@ -0,0 +1,32 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+/* Author: Markus Nentwig, nentwig(a)users.sourceforge.net
+ */
+
+#ifndef _FLUID_MIDIROUTER_H
+#define _FLUID_MIDIROUTER_H
+
+#include "fluidsynth_priv.h"
+#include "fluid_midi.h"
+#include "fluid_sys.h"
+
+
+#endif
diff --git a/libs/fluidsynth/src/rvoice/fluid_adsr_env.c b/libs/fluidsynth/src/rvoice/fluid_adsr_env.c
new file mode 100644
index 00000000000..00bdd40f220
--- /dev/null
+++ b/libs/fluidsynth/src/rvoice/fluid_adsr_env.c
@@ -0,0 +1,39 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#include "fluid_adsr_env.h"
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_adsr_env_set_data)
+{
+    fluid_adsr_env_t *env = obj;
+    fluid_adsr_env_section_t section = param[0].i;
+    unsigned int count = param[1].i;
+    fluid_real_t coeff = param[2].real;
+    fluid_real_t increment = param[3].real;
+    fluid_real_t min = param[4].real;
+    fluid_real_t max = param[5].real;
+
+    env->data[section].count = count;
+    env->data[section].coeff = coeff;
+    env->data[section].increment = increment;
+    env->data[section].min = min;
+    env->data[section].max = max;
+}
+
diff --git a/libs/fluidsynth/src/rvoice/fluid_adsr_env.h b/libs/fluidsynth/src/rvoice/fluid_adsr_env.h
new file mode 100644
index 00000000000..5e99c6bf3c3
--- /dev/null
+++ b/libs/fluidsynth/src/rvoice/fluid_adsr_env.h
@@ -0,0 +1,167 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#ifndef _FLUID_ADSR_ENVELOPE_H
+#define _FLUID_ADSR_ENVELOPE_H
+
+#include "fluidsynth_priv.h"
+#include "fluid_sys.h"
+
+/*
+ * envelope data
+ */
+struct _fluid_env_data_t
+{
+    unsigned int count;
+    fluid_real_t coeff;
+    fluid_real_t increment;
+    fluid_real_t min;
+    fluid_real_t max;
+};
+
+/* Indices for envelope tables */
+enum fluid_voice_envelope_index
+{
+    FLUID_VOICE_ENVDELAY,
+    FLUID_VOICE_ENVATTACK,
+    FLUID_VOICE_ENVHOLD,
+    FLUID_VOICE_ENVDECAY,
+    FLUID_VOICE_ENVSUSTAIN,
+    FLUID_VOICE_ENVRELEASE,
+    FLUID_VOICE_ENVFINISHED,
+    FLUID_VOICE_ENVLAST
+};
+
+typedef enum fluid_voice_envelope_index fluid_adsr_env_section_t;
+
+typedef struct _fluid_adsr_env_t fluid_adsr_env_t;
+
+struct _fluid_adsr_env_t
+{
+    fluid_env_data_t data[FLUID_VOICE_ENVLAST];
+    unsigned int count;
+    fluid_real_t val;         /* the current value of the envelope */
+    fluid_adsr_env_section_t section;
+};
+
+/* For performance, all functions are inlined */
+
+static FLUID_INLINE void
+fluid_adsr_env_calc(fluid_adsr_env_t *env)
+{
+    fluid_env_data_t *env_data;
+    fluid_real_t x;
+
+    env_data = &env->data[env->section];
+
+    /* skip to the next section of the envelope if necessary */
+    while(env->count >= env_data->count)
+    {
+        // If we're switching envelope stages from decay to sustain, force the value to be the end value of the previous stage
+        // Hmm, should this only apply to volenv? It was so before refactoring, so keep it for now. [DH]
+        // No, must apply to both, otherwise some voices may sound detuned. [TM] (https://github.com/FluidSynth/fluidsynth/issues/1059)
+        if(env->section == FLUID_VOICE_ENVDECAY)
+        {
+            env->val = env_data->min * env_data->coeff;
+        }
+
+        env_data = &env->data[++env->section];
+        env->count = 0;
+    }
+
+    /* calculate the envelope value and check for valid range */
+    x = env_data->coeff * env->val + env_data->increment;
+
+    if(x < env_data->min)
+    {
+        x = env_data->min;
+        env->section++;
+        env->count = 0;
+    }
+    else if(x > env_data->max)
+    {
+        x = env_data->max;
+        env->section++;
+        env->count = 0;
+    }
+    else
+    {
+        env->count++;
+    }
+
+    env->val = x;
+}
+
+/* This one cannot be inlined since it is referenced in
+   the event queue */
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_adsr_env_set_data);
+
+static FLUID_INLINE void
+fluid_adsr_env_reset(fluid_adsr_env_t *env)
+{
+    env->count = 0;
+    env->section = FLUID_VOICE_ENVDELAY;
+    env->val = 0.0f;
+}
+
+static FLUID_INLINE fluid_real_t
+fluid_adsr_env_get_val(fluid_adsr_env_t *env)
+{
+    return env->val;
+}
+
+static FLUID_INLINE void
+fluid_adsr_env_set_val(fluid_adsr_env_t *env, fluid_real_t val)
+{
+    env->val = val;
+}
+
+static FLUID_INLINE fluid_adsr_env_section_t
+fluid_adsr_env_get_section(fluid_adsr_env_t *env)
+{
+    return env->section;
+}
+
+static FLUID_INLINE void
+fluid_adsr_env_set_section(fluid_adsr_env_t *env,
+                           fluid_adsr_env_section_t section)
+{
+    env->section = section;
+    env->count = 0;
+}
+
+/* Used for determining which voice to kill.
+   Returns max amplitude from now, and forward in time.
+*/
+static FLUID_INLINE fluid_real_t
+fluid_adsr_env_get_max_val(fluid_adsr_env_t *env)
+{
+    if(env->section > FLUID_VOICE_ENVATTACK)
+    {
+        return env->val * 1000;
+    }
+    else
+    {
+        return env->data[FLUID_VOICE_ENVATTACK].max;
+    }
+}
+
+#endif
+
diff --git a/libs/fluidsynth/src/rvoice/fluid_chorus.c b/libs/fluidsynth/src/rvoice/fluid_chorus.c
new file mode 100644
index 00000000000..c80dc9e98c1
--- /dev/null
+++ b/libs/fluidsynth/src/rvoice/fluid_chorus.c
@@ -0,0 +1,1071 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe, Markus Nentwig and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+/*
+  based on a chorus implementation made by Juergen Mueller And Sundry Contributors in 1998
+
+  CHANGES
+
+  - Adapted for fluidsynth, Peter Hanappe, March 2002
+
+  - Variable delay line implementation using bandlimited
+    interpolation, code reorganization: Markus Nentwig May 2002
+
+  - Complete rewrite using lfo computed on the fly, first order all-pass
+    interpolator and adding stereo unit: Jean-Jacques Ceresa, Jul 2019
+ */
+
+
+/*
+ * 	Chorus effect.
+ *
+ * Flow diagram scheme for n delays ( 1 <= n <= MAX_CHORUS ):
+ *
+ *                                                       ________
+ *                  direct signal (not implemented) >-->|        |
+ *                 _________                            |        |
+ * mono           |         |                           |        |
+ * input ---+---->| delay 1 |-------------------------->| Stereo |---> right
+ *          |     |_________|                           |        |     output
+ *          |        /|\                                | Unit   |
+ *          :         |                                 |        |
+ *          : +-----------------+                       |(width) |
+ *          : | Delay control 1 |<-+                    |        |
+ *          : +-----------------+  |                    |        |---> left
+ *          |      _________       |                    |        |     output
+ *          |     |         |      |                    |        |
+ *          +---->| delay n |-------------------------->|        |
+ *                |_________|      |                    |        |
+ *                   /|\           |                    |________|
+ *                    |            |  +--------------+      /|\
+ *            +-----------------+  |  |mod depth (ms)|       |
+ *            | Delay control n |<-*--|lfo speed (Hz)|     gain-out
+ *            +-----------------+     +--------------+
+ *
+ *
+ * The delay i is controlled by a sine or triangle modulation i ( 1 <= i <= n).
+ *
+ * The chorus unit process a monophonic input signal and produces stereo output
+ * controlled by WIDTH macro.
+ * Actually WIDTH is fixed to maximum value. But in the future, we could add a
+ * setting (e.g "synth.chorus.width") allowing the user to get a gradually stereo
+ * effect from minimum (monophonic) to maximum stereo effect.
+ *
+ * Delays lines are implemented using only one line for all chorus blocks.
+ * Each chorus block has it own lfo (sinus/triangle). Each lfo are out of phase
+ * to produce uncorrelated signal at the output of the delay line (this simulates
+ * the presence of individual line for each block). Each lfo modulates the length
+ * of the line using a depth modulation value and lfo frequency value common to
+ * all lfos.
+ *
+ * LFO modulators are computed on the fly, instead of using lfo lookup table.
+ * The advantages are:
+ * - Avoiding a lost of 608272 memory bytes when lfo speed is low (0.3Hz).
+ * - Allows to diminish the lfo speed lower limit to 0.1Hz instead of 0.3Hz.
+ *   A speed of 0.1 is interesting for chorus. Using a lookuptable for 0.1Hz
+ *   would require too much memory (1824816 bytes).
+ * - Interpolation make use of first order all-pass interpolator instead of
+ *   bandlimited interpolation.
+ * - Although lfo modulator is computed on the fly, cpu load is lower than
+ *   using lfo lookup table with bandlimited interpolator.
+ */
+
+#include "fluid_chorus.h"
+#include "fluid_sys.h"
+
+
+/*-------------------------------------------------------------------------------------
+  Private
+--------------------------------------------------------------------------------------*/
+// #define DEBUG_PRINT // allows message to be printed on the console.
+
+#define MAX_CHORUS    99   /* number maximum of block */
+#define MAX_LEVEL     10   /* max output level */
+#define MIN_SPEED_HZ  0.1  /* min lfo frequency (Hz) */
+#define MAX_SPEED_HZ  5    /* max lfo frequency (Hz) */
+
+/* WIDTH [0..10] value define a stereo separation between left and right.
+ When 0, the output is monophonic. When > 0 , the output is stereophonic.
+ Actually WIDTH is fixed to maximum value. But in the future we could add a setting to
+ allow a gradually stereo effect from minimum (monophonic) to maximum stereo effect.
+*/
+#define WIDTH 10
+
+/* SCALE_WET_WIDTH is a compensation weight factor to get an output
+   amplitude (wet) rather independent of the width setting.
+    0: the output amplitude is fully dependent on the width setting.
+   >0: the output amplitude is less dependent on the width setting.
+   With a SCALE_WET_WIDTH of 0.2 the output amplitude is rather
+   independent of width setting (see fluid_chorus_set()).
+ */
+#define SCALE_WET_WIDTH 0.2f
+#define SCALE_WET 1.0f
+
+#define MAX_SAMPLES 2048 /* delay length in sample (46.4 ms at sample rate: 44100Hz).*/
+#define LOW_MOD_DEPTH 176             /* low mod_depth/2 in samples */
+#define HIGH_MOD_DEPTH  MAX_SAMPLES/2 /* high mod_depth in sample */
+#define RANGE_MOD_DEPTH (HIGH_MOD_DEPTH - LOW_MOD_DEPTH)
+
+/* Important min max values for MOD_RATE */
+/* mod rate define the rate at which the modulator is updated. Examples
+   50: the modulator is updated every 50 samples (less cpu cycles expensive).
+   1: the modulator is updated every sample (more cpu cycles expensive).
+*/
+/* MOD_RATE acceptable for max lfo speed (5Hz) and max modulation depth (46.6 ms) */
+#define LOW_MOD_RATE 5  /* MOD_RATE acceptable for low modulation depth (8 ms) */
+#define HIGH_MOD_RATE 4 /* MOD_RATE acceptable for max modulation depth (46.6 ms) */
+                        /* and max lfo speed (5 Hz) */
+#define RANGE_MOD_RATE (HIGH_MOD_RATE - LOW_MOD_RATE)
+
+/* some chorus cpu_load measurement dependent of modulation rate: mod_rate
+ (number of chorus blocks: 2)
+
+ No stero unit:
+ mod_rate | chorus cpu load(%) | one voice cpu load (%)
+ ----------------------------------------------------
+ 50       | 0.204              |
+ 5        | 0.256              |  0.169
+ 1        | 0.417              |
+
+ With stero unit:
+ mod_rate | chorus cpu load(%) | one voice cpu load (%)
+ ----------------------------------------------------
+ 50       | 0.220              |
+ 5        | 0.274              |  0.169
+ 1        | 0.465              |
+
+*/
+
+/*
+ Number of samples to add to the desired length of the delay line. This
+ allows to take account of rounding error interpolation when using large
+ modulation depth.
+ 1 is sufficient for max modulation depth (46.6 ms) and max lfo speed (5 Hz).
+*/
+//#define INTERP_SAMPLES_NBR 0
+#define INTERP_SAMPLES_NBR 1
+
+
+/*-----------------------------------------------------------------------------
+ Sinusoidal modulator
+-----------------------------------------------------------------------------*/
+/* modulator */
+typedef struct
+{
+    fluid_real_t   a1;          /* Coefficient: a1 = 2 * cos(w) */
+    fluid_real_t   buffer1;     /* buffer1 */
+    fluid_real_t   buffer2;     /* buffer2 */
+    fluid_real_t   reset_buffer2;/* reset value of buffer2 */
+} sinus_modulator;
+
+/*-----------------------------------------------------------------------------
+ Triangle modulator
+-----------------------------------------------------------------------------*/
+typedef struct
+{
+    fluid_real_t   freq;       /* Osc. Frequency (in Hertz) */
+    fluid_real_t   val;         /* internal current value */
+    fluid_real_t   inc;         /* increment value */
+} triang_modulator;
+
+/*-----------------------------------------------------------------------------
+ modulator
+-----------------------------------------------------------------------------*/
+typedef struct
+{
+    /*-------------*/
+    int line_out; /* current line out position for this modulator */
+    /*-------------*/
+    sinus_modulator sinus; /* sinus lfo */
+    triang_modulator triang; /* triangle lfo */
+    /*-------------------------*/
+    /* first order All-Pass interpolator members */
+    fluid_real_t  frac_pos_mod; /* fractional position part between samples */
+    /* previous value used when interpolating using fractional */
+    fluid_real_t  buffer;
+} modulator;
+
+/* Private data for SKEL file */
+struct _fluid_chorus_t
+{
+    int type;
+    fluid_real_t depth_ms;
+    fluid_real_t level;
+    fluid_real_t speed_Hz;
+    int number_blocks;
+    fluid_real_t sample_rate;
+
+    /* width control: 0 monophonic, > 0 more stereophonic */
+    fluid_real_t width;
+    fluid_real_t wet1, wet2;
+
+    fluid_real_t *line; /* buffer line */
+    int   size;    /* effective internal size (in samples) */
+
+    int line_in;  /* line in position */
+
+    /* center output position members */
+    fluid_real_t  center_pos_mod; /* center output position modulated by modulator */
+    int          mod_depth;   /* modulation depth (in samples) */
+
+    /* variable rate control of center output position */
+    int index_rate;  /* index rate to know when to update center_pos_mod */
+    int mod_rate;    /* rate at which center_pos_mod is updated */
+
+    /* modulator member */
+    modulator mod[MAX_CHORUS]; /* sinus/triangle modulator */
+};
+
+/*-----------------------------------------------------------------------------
+ Sets the frequency of sinus oscillator.
+
+ @param mod pointer on modulator structure.
+ @param freq frequency of the oscillator in Hz.
+ @param sample_rate sample rate on audio output in Hz.
+ @param phase initial phase of the oscillator in degree (0 to 360).
+-----------------------------------------------------------------------------*/
+static void set_sinus_frequency(sinus_modulator *mod,
+                                float freq, float sample_rate, float phase)
+{
+    fluid_real_t w = 2 * FLUID_M_PI * freq / sample_rate; /* initial angle */
+    fluid_real_t a;
+
+    mod->a1 = 2 * FLUID_COS(w);
+
+    a = (2 * FLUID_M_PI / 360) * phase;
+
+    mod->buffer2 = FLUID_SIN(a - w); /* y(n-1) = sin(-initial angle) */
+    mod->buffer1 = FLUID_SIN(a); /* y(n) = sin(initial phase) */
+    mod->reset_buffer2 = FLUID_SIN(FLUID_M_PI / 2 - w); /* reset value for PI/2 */
+}
+
+/*-----------------------------------------------------------------------------
+ Gets current value of sinus modulator:
+   y(n) = a1 . y(n-1)  -  y(n-2)
+   out = a1 . buffer1  -  buffer2
+
+ @param mod pointer on modulator structure.
+ @return current value of the modulator sine wave.
+-----------------------------------------------------------------------------*/
+static FLUID_INLINE fluid_real_t get_mod_sinus(sinus_modulator *mod)
+{
+    fluid_real_t out;
+    out = mod->a1 * mod->buffer1 - mod->buffer2;
+    mod->buffer2 = mod->buffer1;
+
+    if(out >= 1.0f) /* reset in case of instability near PI/2 */
+    {
+        out = 1.0f; /* forces output to the right value */
+        mod->buffer2 = mod->reset_buffer2;
+    }
+
+    if(out <= -1.0f) /* reset in case of instability near -PI/2 */
+    {
+        out = -1.0f; /* forces output to the right value */
+        mod->buffer2 = - mod->reset_buffer2;
+    }
+
+    mod->buffer1 = out;
+    return  out;
+}
+
+/*-----------------------------------------------------------------------------
+ Set the frequency of triangular oscillator
+ The frequency is converted in a slope value.
+ The initial value is set according to frac_phase which is a position
+ in the period relative to the beginning of the period.
+ For example: 0 is the beginning of the period, 1/4 is at 1/4 of the period
+ relative to the beginning.
+
+ @param mod pointer on modulator structure.
+ @param freq frequency of the oscillator in Hz.
+ @param sample_rate sample rate on audio output in Hz.
+ @param frac_phase initial phase (see comment above).
+-----------------------------------------------------------------------------*/
+static void set_triangle_frequency(triang_modulator *mod, float freq,
+                                   float sample_rate, float frac_phase)
+{
+    fluid_real_t ns_period; /* period in numbers of sample */
+
+    if(freq <= 0.0)
+    {
+        freq = 0.5f;
+    }
+
+    mod->freq = freq;
+
+    ns_period = sample_rate / freq;
+
+    /* the slope of a triangular osc (0 up to +1 down to -1 up to 0....) is equivalent
+    to the slope of a saw osc (0 -> +4) */
+    mod->inc  = 4 / ns_period; /* positive slope */
+
+    /* The initial value and the sign of the slope depend of initial phase:
+      initial value = = (ns_period * frac_phase) * slope
+    */
+    mod->val =  ns_period * frac_phase * mod->inc;
+
+    if(1.0 <= mod->val && mod->val < 3.0)
+    {
+        mod->val = 2.0 - mod->val; /*  1.0 down to -1.0 */
+        mod->inc = -mod->inc; /* negative slope */
+    }
+    else if(3.0 <= mod->val)
+    {
+        mod->val = mod->val - 4.0; /*  -1.0 up to +1.0. */
+    }
+
+    /* else val < 1.0 */
+}
+
+/*-----------------------------------------------------------------------------
+   Get current value of triangular oscillator
+       y(n) = y(n-1) + dy
+
+ @param mod pointer on triang_modulator structure.
+ @return current value.
+-----------------------------------------------------------------------------*/
+static FLUID_INLINE fluid_real_t get_mod_triang(triang_modulator *mod)
+{
+    mod->val = mod->val + mod->inc ;
+
+    if(mod->val >= 1.0)
+    {
+        mod->inc = -mod->inc;
+        return 1.0;
+    }
+
+    if(mod->val <= -1.0)
+    {
+        mod->inc = -mod->inc;
+        return -1.0;
+    }
+
+    return  mod->val;
+}
+/*-----------------------------------------------------------------------------
+ Reads the sample value out of the modulated delay line.
+
+ @param chorus pointer on chorus unit.
+ @param mod pointer on modulator structure.
+ @return current value.
+-----------------------------------------------------------------------------*/
+static FLUID_INLINE fluid_real_t get_mod_delay(fluid_chorus_t *chorus,
+                                               modulator *mod)
+{
+    fluid_real_t out_index;  /* new modulated index position */
+    int int_out_index; /* integer part of out_index */
+    fluid_real_t out; /* value to return */
+
+    /* Checks if the modulator must be updated (every mod_rate samples). */
+    /* Important: center_pos_mod must be used immediately for the
+       first sample. So, mdl->index_rate must be initialized
+       to mdl->mod_rate (new_mod_delay_line())  */
+
+    if(chorus->index_rate >= chorus->mod_rate)
+    {
+        /* out_index = center position (center_pos_mod) + sinus waweform */
+        if(chorus->type == FLUID_CHORUS_MOD_SINE)
+        {
+            out_index = chorus->center_pos_mod +
+                        get_mod_sinus(&mod->sinus) * chorus->mod_depth;
+        }
+        else
+        {
+            out_index = chorus->center_pos_mod +
+                        get_mod_triang(&mod->triang) * chorus->mod_depth;
+        }
+
+        /* extracts integer part in int_out_index */
+        if(out_index >= 0.0f)
+        {
+            int_out_index = (int)out_index; /* current integer part */
+
+            /* forces read index (line_out)  with integer modulation value  */
+            /* Boundary check and circular motion as needed */
+            if((mod->line_out = int_out_index) >= chorus->size)
+            {
+                mod->line_out -= chorus->size;
+            }
+        }
+        else /* negative */
+        {
+            int_out_index = (int)(out_index - 1); /* previous integer part */
+            /* forces read index (line_out) with integer modulation value  */
+            /* circular motion as needed */
+            mod->line_out   = int_out_index + chorus->size;
+        }
+
+        /* extracts fractionnal part. (it will be used when interpolating
+          between line_out and line_out +1) and memorize it.
+          Memorizing is necessary for modulation rate above 1 */
+        mod->frac_pos_mod = out_index - int_out_index;
+    }
+
+    /*  First order all-pass interpolation ----------------------------------*/
+    /* https://ccrma.stanford.edu/~jos/pasp/First_Order_Allpass_Interpolation.html */
+    /*  begins interpolation: read current sample */
+    out = chorus->line[mod->line_out];
+
+    /* updates line_out to the next sample.
+       Boundary check and circular motion as needed */
+    if(++mod->line_out >= chorus->size)
+    {
+        mod->line_out -= chorus->size;
+    }
+
+    /* Fractional interpolation between next sample (at next position) and
+       previous output added to current sample.
+    */
+    out += mod->frac_pos_mod * (chorus->line[mod->line_out] - mod->buffer);
+    mod->buffer = out; /* memorizes current output */
+    return out;
+}
+
+/*-----------------------------------------------------------------------------
+ Push a sample val into the delay line
+
+ @param dl delay line to push value into.
+ @param val the value to push into dl.
+-----------------------------------------------------------------------------*/
+#define push_in_delay_line(dl, val) \
+{\
+    dl->line[dl->line_in] = val;\
+    /* Incrementation and circular motion if necessary */\
+    if(++dl->line_in >= dl->size) dl->line_in -= dl->size;\
+}\
+
+/*-----------------------------------------------------------------------------
+ Initialize : mod_rate, center_pos_mod,  and index rate
+
+ center_pos_mod is initialized so that the delay between center_pos_mod and
+ line_in is: mod_depth + INTERP_SAMPLES_NBR.
+
+ @param chorus pointer on chorus unit.
+-----------------------------------------------------------------------------*/
+static void set_center_position(fluid_chorus_t *chorus)
+{
+    int center;
+
+    /* Sets the modulation rate. This rate defines how often
+     the center position (center_pos_mod ) is modulated .
+     The value is expressed in samples. The default value is 1 that means that
+     center_pos_mod is updated at every sample.
+     For example with a value of 2, the center position position will be
+     updated only one time every 2 samples only.
+    */
+    chorus->mod_rate = LOW_MOD_RATE; /* default modulation rate */
+
+    /* compensate mod rate for high modulation depth */
+    if(chorus->mod_depth > LOW_MOD_DEPTH)
+    {
+        int delta_mod_depth = (chorus->mod_depth - LOW_MOD_DEPTH);
+        chorus->mod_rate += (delta_mod_depth * RANGE_MOD_RATE) / RANGE_MOD_DEPTH;
+    }
+
+    /* Initializes the modulated center position (center_pos_mod) so that:
+        - the delay between center_pos_mod and line_in is:
+          mod_depth + INTERP_SAMPLES_NBR.
+    */
+    center = chorus->line_in - (INTERP_SAMPLES_NBR + chorus->mod_depth);
+
+    if(center < 0)
+    {
+        center += chorus->size;
+    }
+
+    chorus->center_pos_mod = (fluid_real_t)center;
+
+    /* index rate to control when to update center_pos_mod */
+    /* Important: must be set to get center_pos_mod immediately used for the
+       reading of first sample (see get_mod_delay()) */
+    chorus->index_rate = chorus->mod_rate;
+}
+
+/*-----------------------------------------------------------------------------
+ Update internal parameters dependent of sample rate.
+ - mod_depth.
+ - mod_rate, center_pos_mod, and index rate.
+ - modulators frequency.
+
+ @param chorus, pointer on chorus unit.
+-----------------------------------------------------------------------------*/
+static void update_parameters_from_sample_rate(fluid_chorus_t *chorus)
+{
+    int i;
+
+    /* initialize modulation depth (peak to peak) (in samples) */
+    /* convert modulation depth in ms to sample number */
+    chorus->mod_depth = (int)(chorus->depth_ms  / 1000.0
+                              * chorus->sample_rate);
+
+    /* the delay line is fixed. So we reduce mod_depth (if necessary) */
+    if(chorus->mod_depth > MAX_SAMPLES)
+    {
+        FLUID_LOG(FLUID_WARN, "chorus: Too high depth. Setting it to max (%d).",
+                  MAX_SAMPLES);
+        chorus->mod_depth = MAX_SAMPLES;
+        /* set depth_ms to maximum to avoid spamming console with above warning */
+        chorus->depth_ms = (chorus->mod_depth * 1000) / chorus->sample_rate;
+    }
+
+    chorus->mod_depth /= 2; /* amplitude is peak to peek / 2 */
+#ifdef DEBUG_PRINT
+    printf("depth_ms:%f, depth_samples/2:%d\n", chorus->depth_ms, chorus->mod_depth);
+#endif
+
+    /* Initializes the modulated center position:
+       mod_rate, center_pos_mod, and index rate.
+    */
+    set_center_position(chorus); /* must be called before set_xxxx_frequency() */
+#ifdef DEBUG_PRINT
+    printf("mod_rate:%d\n", chorus->mod_rate);
+#endif
+
+    /* initialize modulator frequency */
+    for(i = 0; i < chorus->number_blocks; i++)
+    {
+        set_sinus_frequency(&chorus->mod[i].sinus,
+                            chorus->speed_Hz * chorus->mod_rate,
+                            chorus->sample_rate,
+                            /* phase offset between modulators waveform */
+                            (float)((360.0f / (float) chorus->number_blocks) * i));
+
+        set_triangle_frequency(&chorus->mod[i].triang,
+                               chorus->speed_Hz * chorus->mod_rate,
+                               chorus->sample_rate,
+                               /* phase offset between modulators waveform */
+                               (float)i / chorus->number_blocks);
+    }
+}
+
+/*-----------------------------------------------------------------------------
+ Modulated delay line initialization.
+
+ Sets the length line ( alloc delay samples).
+ Remark: the function sets the internal size according to the length delay_length.
+ The size is augmented by INTERP_SAMPLES_NBR to take account of interpolation.
+
+ @param chorus, pointer on chorus unit.
+ @param delay_length the length of the delay line in samples.
+ @return FLUID_OK if success , FLUID_FAILED if memory error.
+
+ Return FLUID_OK if success, FLUID_FAILED if memory error.
+-----------------------------------------------------------------------------*/
+static int new_mod_delay_line(fluid_chorus_t *chorus, int delay_length)
+{
+    /*-----------------------------------------------------------------------*/
+    /* checks parameter */
+    if(delay_length < 1)
+    {
+        return FLUID_FAILED;
+    }
+
+    chorus->mod_depth = 0;
+    /*-----------------------------------------------------------------------
+     allocates delay_line and initialize members: - line, size, line_in...
+    */
+    /* total size of the line:  size = INTERP_SAMPLES_NBR + delay_length */
+    chorus->size = delay_length + INTERP_SAMPLES_NBR;
+    chorus->line = FLUID_ARRAY(fluid_real_t, chorus->size);
+
+    if(! chorus->line)
+    {
+        return FLUID_FAILED;
+    }
+
+    /* clears the buffer:
+     - delay line
+     - interpolator member: buffer, frac_pos_mod
+    */
+    fluid_chorus_reset(chorus);
+
+    /* Initializes line_in to the start of the buffer */
+    chorus->line_in = 0;
+    /*------------------------------------------------------------------------
+     Initializes modulation members:
+     - modulation rate (the speed at which center_pos_mod is modulated: mod_rate
+     - modulated center position: center_pos_mod
+     - index rate to know when to update center_pos_mod:index_rate
+     -------------------------------------------------------------------------*/
+    /* Initializes the modulated center position:
+       mod_rate, center_pos_mod,  and index rate
+    */
+    set_center_position(chorus);
+
+    return FLUID_OK;
+}
+
+/*-----------------------------------------------------------------------------
+  API
+------------------------------------------------------------------------------*/
+/**
+ * Create the chorus unit. Once created the chorus have no parameters set, so
+ * fluid_chorus_set() must be called at least one time after calling
+ * new_fluid_chorus().
+ *
+ * @param sample_rate, audio sample rate in Hz.
+ * @return pointer on chorus unit.
+ */
+fluid_chorus_t *
+new_fluid_chorus(fluid_real_t sample_rate)
+{
+    fluid_chorus_t *chorus;
+
+    chorus = FLUID_NEW(fluid_chorus_t);
+
+    if(chorus == NULL)
+    {
+        FLUID_LOG(FLUID_PANIC, "chorus: Out of memory");
+        return NULL;
+    }
+
+    FLUID_MEMSET(chorus, 0, sizeof(fluid_chorus_t));
+
+    chorus->sample_rate = sample_rate;
+
+#ifdef DEBUG_PRINT
+    printf("fluid_chorus_t:%d bytes\n", sizeof(fluid_chorus_t));
+    printf("fluid_real_t:%d bytes\n", sizeof(fluid_real_t));
+#endif
+
+#ifdef DEBUG_PRINT
+    printf("NEW_MOD\n");
+#endif
+
+    if(new_mod_delay_line(chorus, MAX_SAMPLES) == FLUID_FAILED)
+    {
+        delete_fluid_chorus(chorus);
+        return NULL;
+    }
+
+    return chorus;
+}
+
+/**
+ * Delete the chorus unit.
+ * @param chorus pointer on chorus unit returned by new_fluid_chorus().
+ */
+void
+delete_fluid_chorus(fluid_chorus_t *chorus)
+{
+    fluid_return_if_fail(chorus != NULL);
+
+    FLUID_FREE(chorus->line);
+    FLUID_FREE(chorus);
+}
+
+/**
+ * Clear the internal delay line and associate filter.
+ * @param chorus pointer on chorus unit returned by new_fluid_chorus().
+ */
+void
+fluid_chorus_reset(fluid_chorus_t *chorus)
+{
+    int i;
+    unsigned int u;
+
+    /* reset delay line */
+    for(i = 0; i < chorus->size; i++)
+    {
+        chorus->line[i] = 0;
+    }
+
+    /* reset modulators's allpass filter */
+    for(u = 0; u < FLUID_N_ELEMENTS(chorus->mod); u++)
+    {
+        /* initializes 1st order All-Pass interpolator members */
+        chorus->mod[u].buffer = 0;       /* previous delay sample value */
+        chorus->mod[u].frac_pos_mod = 0; /* fractional position (between consecutives sample) */
+    }
+}
+
+/**
+ * Set one or more chorus parameters.
+ *
+ * @param chorus Chorus instance.
+ * @param set Flags indicating which chorus parameters to set (#fluid_chorus_set_t).
+ * @param nr Chorus voice count (0-99, CPU time consumption proportional to
+ *   this value).
+ * @param level Chorus level (0.0-10.0).
+ * @param speed Chorus speed in Hz (0.1-5.0).
+ * @param depth_ms Chorus depth (max value depends on synth sample rate,
+ *   0.0-21.0 is safe for sample rate values up to 96KHz).
+ * @param type Chorus waveform type (#fluid_chorus_mod).
+ */
+void
+fluid_chorus_set(fluid_chorus_t *chorus, int set, int nr, fluid_real_t level,
+                 fluid_real_t speed, fluid_real_t depth_ms, int type)
+{
+    if(set & FLUID_CHORUS_SET_NR) /* number of block */
+    {
+        chorus->number_blocks = nr;
+    }
+
+    if(set & FLUID_CHORUS_SET_LEVEL) /* output level */
+    {
+        chorus->level = level;
+    }
+
+    if(set & FLUID_CHORUS_SET_SPEED) /* lfo frequency (in Hz) */
+    {
+        chorus->speed_Hz = speed;
+    }
+
+    if(set & FLUID_CHORUS_SET_DEPTH) /* modulation depth (in ms) */
+    {
+        chorus->depth_ms = depth_ms;
+    }
+
+    if(set & FLUID_CHORUS_SET_TYPE) /* lfo shape (sinus, triangle) */
+    {
+        chorus->type = type;
+    }
+
+    /* check min , max parameters */
+    if(chorus->number_blocks < 0)
+    {
+        FLUID_LOG(FLUID_WARN, "chorus: number blocks must be >=0! Setting value to 0.");
+        chorus->number_blocks = 0;
+    }
+    else if(chorus->number_blocks > MAX_CHORUS)
+    {
+        FLUID_LOG(FLUID_WARN, "chorus: number blocks larger than max. allowed! Setting value to %d.",
+                  MAX_CHORUS);
+        chorus->number_blocks = MAX_CHORUS;
+    }
+
+    if(chorus->speed_Hz < MIN_SPEED_HZ)
+    {
+        FLUID_LOG(FLUID_WARN, "chorus: speed is too low (min %f)! Setting value to min.",
+                  (double) MIN_SPEED_HZ);
+        chorus->speed_Hz = MIN_SPEED_HZ;
+    }
+    else if(chorus->speed_Hz > MAX_SPEED_HZ)
+    {
+        FLUID_LOG(FLUID_WARN, "chorus: speed must be below %f Hz! Setting value to max.",
+                  (double) MAX_SPEED_HZ);
+        chorus->speed_Hz = MAX_SPEED_HZ;
+    }
+
+    if(chorus->depth_ms < 0.0)
+    {
+        FLUID_LOG(FLUID_WARN, "chorus: depth must be positive! Setting value to 0.");
+        chorus->depth_ms = 0.0;
+    }
+
+    if(chorus->level < 0.0)
+    {
+        FLUID_LOG(FLUID_WARN, "chorus: level must be positive! Setting value to 0.");
+        chorus->level = 0.0;
+    }
+    else if(chorus->level > MAX_LEVEL)
+    {
+        FLUID_LOG(FLUID_WARN, "chorus: level must be < 10. A reasonable level is << 1! "
+                  "Setting it to 0.1.");
+        chorus->level = 0.1;
+    }
+
+    /* update parameters dependent of sample rate */
+    update_parameters_from_sample_rate(chorus);
+
+#ifdef DEBUG_PRINT
+    printf("lfo type:%d\n", chorus->type);
+    printf("speed_Hz:%f\n", chorus->speed_Hz);
+#endif
+
+    /* Initialize the lfo waveform */
+    if((chorus->type != FLUID_CHORUS_MOD_SINE) &&
+            (chorus->type != FLUID_CHORUS_MOD_TRIANGLE))
+    {
+        FLUID_LOG(FLUID_WARN, "chorus: Unknown modulation type. Using sinewave.");
+        chorus->type = FLUID_CHORUS_MOD_SINE;
+    }
+
+#ifdef DEBUG_PRINT
+
+    if(chorus->type == FLUID_CHORUS_MOD_SINE)
+    {
+        printf("lfo: sinus\n");
+    }
+    else
+    {
+        printf("lfo: triangle\n");
+    }
+
+    printf("nr:%d\n", chorus->number_blocks);
+#endif
+
+    /* Recalculate internal values after parameters change */
+
+    /*
+     Note:
+     Actually WIDTH is fixed to maximum value. But in the future we could add a setting
+     "synth.chorus.width" to allow a gradually stereo effect from minimum (monophonic) to
+     maximum stereo effect.
+     If this setting will be added, remove the following instruction.
+    */
+    chorus->width = WIDTH;
+    {
+        /* The stereo amplitude equation (wet1 and wet2 below) have a
+         tendency to produce high amplitude with high width values ( 1 < width < 10).
+         This results in an unwanted noisy output clipped by the audio card.
+         To avoid this dependency, we divide by (1 + chorus->width * SCALE_WET_WIDTH)
+         Actually, with a SCALE_WET_WIDTH of 0.2, (regardless of level setting),
+         the output amplitude (wet) seems rather independent of width setting */
+
+        fluid_real_t wet = chorus->level * SCALE_WET ;
+
+        /* wet1 and wet2 are used by the stereo effect controlled by the width setting
+        for producing a stereo ouptput from a monophonic chorus signal.
+        Please see the note above about a side effect tendency */
+
+        if(chorus->number_blocks > 1)
+        {
+            wet = wet  / (1.0f + chorus->width * SCALE_WET_WIDTH);
+            chorus->wet1 = wet * (chorus->width / 2.0f + 0.5f);
+            chorus->wet2 = wet * ((1.0f - chorus->width) / 2.0f);
+#ifdef DEBUG_PRINT
+            printf("width:%f\n", chorus->width);
+
+            if(chorus->width > 0)
+            {
+                printf("nr > 1, width > 0 => out stereo\n");
+            }
+            else
+            {
+                printf("nr > 1, width:0 =>out mono\n");
+            }
+
+#endif
+        }
+        else
+        {
+            /* only one chorus block */
+            if(chorus->width == 0.0)
+            {
+                /* wet1 and wet2 should make stereo output monomophic */
+                chorus->wet1 = chorus->wet2 = wet;
+            }
+            else
+            {
+                /* for width > 0, wet1 and wet2 should make stereo output stereo
+                   with only one block. This will only possible by inverting
+                   the unique signal on each left and right output.
+                   Note however that with only one block, it isn't possible to
+                   have a graduate width effect */
+                chorus->wet1  = wet;
+                chorus->wet2  = -wet; /* inversion */
+            }
+
+#ifdef DEBUG_PRINT
+            printf("width:%f\n", chorus->width);
+
+            if(chorus->width != 0)
+            {
+                printf("one block, width > 0 => out stereo\n");
+            }
+            else
+            {
+                printf("one block,  width:0 => out mono\n");
+            }
+
+#endif
+        }
+    }
+}
+
+/*
+* Applies a sample rate change on the chorus.
+* Note that while the chorus is used by calling any fluid_chorus_processXXX()
+* function, calling fluid_chorus_samplerate_change() isn't multi task safe.
+* To deal properly with this issue follow the steps:
+* 1) Stop chorus processing (i.e disable calling to any fluid_chorus_processXXX().
+*    chorus functions.
+* 2) Change sample rate by calling fluid_chorus_samplerate_change().
+* 3) Restart chorus processing (i.e enabling calling any fluid_chorus_processXXX()
+*    chorus functions.
+*
+* Another solution is to substitute step (2):
+* 2.1) delete the chorus by calling delete_fluid_chorus().
+* 2.2) create the chorus by calling new_fluid_chorus().
+*
+* @param chorus pointer on the chorus.
+* @param sample_rate new sample rate value.
+*/
+void
+fluid_chorus_samplerate_change(fluid_chorus_t *chorus, fluid_real_t sample_rate)
+{
+    chorus->sample_rate = sample_rate;
+
+    /* update parameters dependent of sample rate */
+    update_parameters_from_sample_rate(chorus);
+}
+
+/**
+ * Process chorus by mixing the result in output buffer.
+ * @param chorus pointer on chorus unit returned by new_fluid_chorus().
+ * @param in, pointer on monophonic input buffer of FLUID_BUFSIZE samples.
+ * @param left_out, right_out, pointers on stereo output buffers of
+ *  FLUID_BUFSIZE samples.
+ */
+void fluid_chorus_processmix(fluid_chorus_t *chorus, const fluid_real_t *in,
+                             fluid_real_t *left_out, fluid_real_t *right_out)
+{
+    int sample_index;
+    int i;
+    fluid_real_t d_out[2];               /* output stereo Left and Right  */
+
+    /* foreach sample, process output sample then input sample */
+    for(sample_index = 0; sample_index < FLUID_BUFSIZE; sample_index++)
+    {
+        fluid_real_t out; /* block output */
+
+        d_out[0] = d_out[1] = 0.0f; /* clear stereo unit input */
+
+#if 0
+        /* Debug: Listen to the chorus signal only */
+        left_out[sample_index] = 0;
+        right_out[sample_index] = 0;
+#endif
+
+        ++chorus->index_rate; /* modulator rate */
+
+        /* foreach chorus block, process output sample */
+        for(i = 0; i < chorus->number_blocks; i++)
+        {
+            /* get sample from the output of modulated delay line */
+            out = get_mod_delay(chorus, &chorus->mod[i]);
+
+            /* accumulate out into stereo unit input */
+            d_out[i & 1] += out;
+        }
+
+        /* update modulator index rate and output center position */
+        if(chorus->index_rate >= chorus->mod_rate)
+        {
+            chorus->index_rate = 0; /* clear modulator index rate */
+
+            /* updates center position (center_pos_mod) to the next position
+               specified by modulation rate */
+            if((chorus->center_pos_mod += chorus->mod_rate) >= chorus->size)
+            {
+                chorus->center_pos_mod -= chorus->size;
+            }
+        }
+
+        /* Adjust stereo input level in case of number_blocks odd:
+           In those case, d_out[1] level is lower than d_out[0], so we need to
+           add out value to d_out[1] to have d_out[0] and d_out[1] balanced.
+        */
+        if((i & 1) && i > 2)  // i = 3,5,7...
+        {
+            d_out[1] +=  out ;
+        }
+
+        /* Write the current input sample into the circular buffer.
+         * Note that 'in' may be aliased with 'left_out'. Hence this must be done
+         * before "processing stereo unit" (below). This ensures input buffer
+         * not being overwritten by stereo unit output.
+         */
+        push_in_delay_line(chorus, in[sample_index]);
+
+        /* process stereo unit */
+        /* Add the chorus stereo unit d_out to left and right output */
+        left_out[sample_index]  += d_out[0] * chorus->wet1  + d_out[1] * chorus->wet2;
+        right_out[sample_index] += d_out[1] * chorus->wet1  + d_out[0] * chorus->wet2;
+    }
+}
+
+/**
+ * Process chorus by putting the result in output buffer (no mixing).
+ * @param chorus pointer on chorus unit returned by new_fluid_chorus().
+ * @param in, pointer on monophonic input buffer of FLUID_BUFSIZE samples.
+ * @param left_out, right_out, pointers on stereo output buffers of
+ *  FLUID_BUFSIZE samples.
+ */
+/* Duplication of code ... (replaces sample data instead of mixing) */
+void fluid_chorus_processreplace(fluid_chorus_t *chorus, const fluid_real_t *in,
+                                 fluid_real_t *left_out, fluid_real_t *right_out)
+{
+    int sample_index;
+    int i;
+    fluid_real_t d_out[2];               /* output stereo Left and Right  */
+
+    /* foreach sample, process output sample then input sample */
+    for(sample_index = 0; sample_index < FLUID_BUFSIZE; sample_index++)
+    {
+        fluid_real_t out; /* block output */
+
+        d_out[0] = d_out[1] = 0.0f; /* clear stereo unit input */
+
+#if 0
+        /* Debug: Listen to the chorus signal only */
+        left_out[sample_index] = 0;
+        right_out[sample_index] = 0;
+#endif
+
+        ++chorus->index_rate; /* modulator rate */
+
+        /* foreach chorus block, process output sample */
+        for(i = 0; i < chorus->number_blocks; i++)
+        {
+            /* get sample from the output of modulated delay line */
+            out = get_mod_delay(chorus, &chorus->mod[i]);
+
+            /* accumulate out into stereo unit input */
+            d_out[i & 1] += out;
+        }
+
+        /* update modulator index rate and output center position */
+        if(chorus->index_rate >= chorus->mod_rate)
+        {
+            chorus->index_rate = 0; /* clear modulator index rate */
+
+            /* updates center position (center_pos_mod) to the next position
+               specified by modulation rate */
+            if((chorus->center_pos_mod += chorus->mod_rate) >= chorus->size)
+            {
+                chorus->center_pos_mod -= chorus->size;
+            }
+        }
+
+        /* Adjust stereo input level in case of number_blocks odd:
+           In those case, d_out[1] level is lower than d_out[0], so we need to
+           add out value to d_out[1] to have d_out[0] and d_out[1] balanced.
+        */
+        if((i & 1) && i > 2)  // i = 3,5,7...
+        {
+            d_out[1] +=  out ;
+        }
+
+        /* Write the current input sample into the circular buffer.
+         * Note that 'in' may be aliased with 'left_out'. Hence this must be done
+         * before "processing stereo unit" (below). This ensures input buffer
+         * not being overwritten by stereo unit output.
+         */
+        push_in_delay_line(chorus, in[sample_index]);
+
+        /* process stereo unit */
+        /* store the chorus stereo unit d_out to left and right output */
+        left_out[sample_index]  = d_out[0] * chorus->wet1  + d_out[1] * chorus->wet2;
+        right_out[sample_index] = d_out[1] * chorus->wet1  + d_out[0] * chorus->wet2;
+    }
+}
diff --git a/libs/fluidsynth/src/rvoice/fluid_chorus.h b/libs/fluidsynth/src/rvoice/fluid_chorus.h
new file mode 100644
index 00000000000..c6d247fa5f3
--- /dev/null
+++ b/libs/fluidsynth/src/rvoice/fluid_chorus.h
@@ -0,0 +1,80 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+
+#ifndef _FLUID_CHORUS_H
+#define _FLUID_CHORUS_H
+
+#include "fluidsynth_priv.h"
+
+
+typedef struct _fluid_chorus_t fluid_chorus_t;
+
+/* enum describing each chorus parameter */
+enum fluid_chorus_param
+{
+    FLUID_CHORUS_NR,        /**< number of delay line */
+    FLUID_CHORUS_LEVEL,     /**< output level */
+    FLUID_CHORUS_SPEED,     /**< lfo frequency */
+    FLUID_CHORUS_DEPTH,     /**< modulation depth */
+    FLUID_CHORUS_TYPE,      /**< type of waveform */
+    FLUID_CHORUS_PARAM_LAST /* number of enum fluid_chorus_param */
+};
+
+/* return a bit flag from param: 2^param */
+#define FLUID_CHORPARAM_TO_SETFLAG(param) (1 << param)
+
+/** Flags for fluid_chorus_set() */
+typedef enum
+{
+    FLUID_CHORUS_SET_NR    = FLUID_CHORPARAM_TO_SETFLAG(FLUID_CHORUS_NR),
+    FLUID_CHORUS_SET_LEVEL = FLUID_CHORPARAM_TO_SETFLAG(FLUID_CHORUS_LEVEL),
+    FLUID_CHORUS_SET_SPEED = FLUID_CHORPARAM_TO_SETFLAG(FLUID_CHORUS_SPEED),
+    FLUID_CHORUS_SET_DEPTH = FLUID_CHORPARAM_TO_SETFLAG(FLUID_CHORUS_DEPTH),
+    FLUID_CHORUS_SET_TYPE  = FLUID_CHORPARAM_TO_SETFLAG(FLUID_CHORUS_TYPE),
+
+    /** Value for fluid_chorus_set() which sets all chorus parameters. */
+    FLUID_CHORUS_SET_ALL   =   FLUID_CHORUS_SET_NR
+                               | FLUID_CHORUS_SET_LEVEL
+                               | FLUID_CHORUS_SET_SPEED
+                               | FLUID_CHORUS_SET_DEPTH
+                               | FLUID_CHORUS_SET_TYPE,
+} fluid_chorus_set_t;
+
+/*
+ * chorus
+ */
+fluid_chorus_t *new_fluid_chorus(fluid_real_t sample_rate);
+void delete_fluid_chorus(fluid_chorus_t *chorus);
+void fluid_chorus_reset(fluid_chorus_t *chorus);
+
+void fluid_chorus_set(fluid_chorus_t *chorus, int set, int nr, fluid_real_t level,
+                      fluid_real_t speed, fluid_real_t depth_ms, int type);
+void
+fluid_chorus_samplerate_change(fluid_chorus_t *chorus, fluid_real_t sample_rate);
+
+void fluid_chorus_processmix(fluid_chorus_t *chorus, const fluid_real_t *in,
+                             fluid_real_t *left_out, fluid_real_t *right_out);
+void fluid_chorus_processreplace(fluid_chorus_t *chorus, const fluid_real_t *in,
+                                 fluid_real_t *left_out, fluid_real_t *right_out);
+
+
+
+#endif /* _FLUID_CHORUS_H */
diff --git a/libs/fluidsynth/src/rvoice/fluid_iir_filter.c b/libs/fluidsynth/src/rvoice/fluid_iir_filter.c
new file mode 100644
index 00000000000..0535cbf275a
--- /dev/null
+++ b/libs/fluidsynth/src/rvoice/fluid_iir_filter.c
@@ -0,0 +1,419 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#include "fluid_iir_filter.h"
+#include "fluid_sys.h"
+#include "fluid_conv.h"
+
+/**
+ * Applies a low- or high-pass filter with variable cutoff frequency and quality factor
+ * for a given biquad transfer function:
+ *          b0 + b1*z^-1 + b2*z^-2
+ *  H(z) = ------------------------
+ *          a0 + a1*z^-1 + a2*z^-2
+ *
+ * Also modifies filter state accordingly.
+ * @param iir_filter Filter parameter
+ * @param dsp_buf Pointer to the synthesized audio data
+ * @param count Count of samples in dsp_buf
+ */
+/*
+ * Variable description:
+ * - dsp_a1, dsp_a2: Filter coefficients for the the previously filtered output signal
+ * - dsp_b0, dsp_b1, dsp_b2: Filter coefficients for input signal
+ * - coefficients normalized to a0
+ *
+ * A couple of variables are used internally, their results are discarded:
+ * - dsp_i: Index through the output buffer
+ * - dsp_centernode: delay line for the IIR filter
+ * - dsp_hist1: same
+ * - dsp_hist2: same
+ */
+void
+fluid_iir_filter_apply(fluid_iir_filter_t *iir_filter,
+                       fluid_real_t *dsp_buf, int count)
+{
+    if(iir_filter->type == FLUID_IIR_DISABLED || iir_filter->q_lin == 0)
+    {
+        return;
+    }
+    else
+    {
+        /* IIR filter sample history */
+        fluid_real_t dsp_hist1 = iir_filter->hist1;
+        fluid_real_t dsp_hist2 = iir_filter->hist2;
+
+        /* IIR filter coefficients */
+        fluid_real_t dsp_a1 = iir_filter->a1;
+        fluid_real_t dsp_a2 = iir_filter->a2;
+        fluid_real_t dsp_b02 = iir_filter->b02;
+        fluid_real_t dsp_b1 = iir_filter->b1;
+        int dsp_filter_coeff_incr_count = iir_filter->filter_coeff_incr_count;
+
+        fluid_real_t dsp_centernode;
+        int dsp_i;
+
+        /* filter (implement the voice filter according to SoundFont standard) */
+
+        /* Check for denormal number (too close to zero). */
+        if(FLUID_FABS(dsp_hist1) < 1e-20f)
+        {
+            dsp_hist1 = 0.0f;    /* FIXME JMG - Is this even needed? */
+        }
+
+        /* Two versions of the filter loop. One, while the filter is
+        * changing towards its new setting. The other, if the filter
+        * doesn't change.
+        */
+
+        if(dsp_filter_coeff_incr_count > 0)
+        {
+            fluid_real_t dsp_a1_incr = iir_filter->a1_incr;
+            fluid_real_t dsp_a2_incr = iir_filter->a2_incr;
+            fluid_real_t dsp_b02_incr = iir_filter->b02_incr;
+            fluid_real_t dsp_b1_incr = iir_filter->b1_incr;
+
+
+            /* Increment is added to each filter coefficient filter_coeff_incr_count times. */
+            for(dsp_i = 0; dsp_i < count; dsp_i++)
+            {
+                /* The filter is implemented in Direct-II form. */
+                dsp_centernode = dsp_buf[dsp_i] - dsp_a1 * dsp_hist1 - dsp_a2 * dsp_hist2;
+                dsp_buf[dsp_i] = dsp_b02 * (dsp_centernode + dsp_hist2) + dsp_b1 * dsp_hist1;
+                dsp_hist2 = dsp_hist1;
+                dsp_hist1 = dsp_centernode;
+
+                if(dsp_filter_coeff_incr_count-- > 0)
+                {
+                    fluid_real_t old_b02 = dsp_b02;
+                    dsp_a1 += dsp_a1_incr;
+                    dsp_a2 += dsp_a2_incr;
+                    dsp_b02 += dsp_b02_incr;
+                    dsp_b1 += dsp_b1_incr;
+
+                    /* Compensate history to avoid the filter going havoc with large frequency changes */
+                    if(iir_filter->compensate_incr && FLUID_FABS(dsp_b02) > 0.001f)
+                    {
+                        fluid_real_t compensate = old_b02 / dsp_b02;
+                        dsp_hist1 *= compensate;
+                        dsp_hist2 *= compensate;
+                    }
+                }
+            } /* for dsp_i */
+        }
+        else /* The filter parameters are constant.  This is duplicated to save time. */
+        {
+            for(dsp_i = 0; dsp_i < count; dsp_i++)
+            {
+                /* The filter is implemented in Direct-II form. */
+                dsp_centernode = dsp_buf[dsp_i] - dsp_a1 * dsp_hist1 - dsp_a2 * dsp_hist2;
+                dsp_buf[dsp_i] = dsp_b02 * (dsp_centernode + dsp_hist2) + dsp_b1 * dsp_hist1;
+                dsp_hist2 = dsp_hist1;
+                dsp_hist1 = dsp_centernode;
+            }
+        }
+
+        iir_filter->hist1 = dsp_hist1;
+        iir_filter->hist2 = dsp_hist2;
+        iir_filter->a1 = dsp_a1;
+        iir_filter->a2 = dsp_a2;
+        iir_filter->b02 = dsp_b02;
+        iir_filter->b1 = dsp_b1;
+        iir_filter->filter_coeff_incr_count = dsp_filter_coeff_incr_count;
+
+        fluid_check_fpe("voice_filter");
+    }
+}
+
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_iir_filter_init)
+{
+    fluid_iir_filter_t *iir_filter = obj;
+    enum fluid_iir_filter_type type = param[0].i;
+    enum fluid_iir_filter_flags flags = param[1].i;
+
+    iir_filter->type = type;
+    iir_filter->flags = flags;
+
+    if(type != FLUID_IIR_DISABLED)
+    {
+        fluid_iir_filter_reset(iir_filter);
+    }
+}
+
+void
+fluid_iir_filter_reset(fluid_iir_filter_t *iir_filter)
+{
+    iir_filter->hist1 = 0;
+    iir_filter->hist2 = 0;
+    iir_filter->last_fres = -1.;
+    iir_filter->q_lin = 0;
+    iir_filter->filter_startup = 1;
+}
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_iir_filter_set_fres)
+{
+    fluid_iir_filter_t *iir_filter = obj;
+    fluid_real_t fres = param[0].real;
+
+    iir_filter->fres = fres;
+    iir_filter->last_fres = -1.;
+}
+
+static fluid_real_t fluid_iir_filter_q_from_dB(fluid_real_t q_dB)
+{
+    /* The generator contains 'centibels' (1/10 dB) => divide by 10 to
+     * obtain dB */
+    q_dB /= 10.0f;
+
+    /* Range: SF2.01 section 8.1.3 # 8 (convert from cB to dB => /10) */
+    fluid_clip(q_dB, 0.0f, 96.0f);
+
+    /* Short version: Modify the Q definition in a way, that a Q of 0
+     * dB leads to no resonance hump in the freq. response.
+     *
+     * Long version: From SF2.01, page 39, item 9 (initialFilterQ):
+     * "The gain at the cutoff frequency may be less than zero when
+     * zero is specified".  Assume q_dB=0 / q_lin=1: If we would leave
+     * q as it is, then this results in a 3 dB hump slightly below
+     * fc. At fc, the gain is exactly the DC gain (0 dB).  What is
+     * (probably) meant here is that the filter does not show a
+     * resonance hump for q_dB=0. In this case, the corresponding
+     * q_lin is 1/sqrt(2)=0.707.  The filter should have 3 dB of
+     * attenuation at fc now.  In this case Q_dB is the height of the
+     * resonance peak not over the DC gain, but over the frequency
+     * response of a non-resonant filter.  This idea is implemented as
+     * follows: */
+    q_dB -= 3.01f;
+
+    /* The 'sound font' Q is defined in dB. The filter needs a linear
+       q. Convert. */
+    return FLUID_POW(10.0f, q_dB / 20.0f);
+}
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_iir_filter_set_q)
+{
+    fluid_iir_filter_t *iir_filter = obj;
+    fluid_real_t q = param[0].real;
+    int flags = iir_filter->flags;
+
+    if(flags & FLUID_IIR_Q_ZERO_OFF && q <= 0.0)
+    {
+        q = 0;
+    }
+    else if(flags & FLUID_IIR_Q_LINEAR)
+    {
+        /* q is linear (only for user-defined filter)
+         * increase to avoid Q being somewhere between zero and one,
+         * which results in some strange amplified lowpass signal
+         */
+        q++;
+    }
+    else
+    {
+        q = fluid_iir_filter_q_from_dB(q);
+    }
+
+    iir_filter->q_lin = q;
+    iir_filter->filter_gain = 1.0;
+
+    if(!(flags & FLUID_IIR_NO_GAIN_AMP))
+    {
+        /* SF 2.01 page 59:
+         *
+         *  The SoundFont specs ask for a gain reduction equal to half the
+         *  height of the resonance peak (Q).  For example, for a 10 dB
+         *  resonance peak, the gain is reduced by 5 dB.  This is done by
+         *  multiplying the total gain with sqrt(1/Q).  `Sqrt' divides dB
+         *  by 2 (100 lin = 40 dB, 10 lin = 20 dB, 3.16 lin = 10 dB etc)
+         *  The gain is later factored into the 'b' coefficients
+         *  (numerator of the filter equation).  This gain factor depends
+         *  only on Q, so this is the right place to calculate it.
+         */
+        iir_filter->filter_gain /= FLUID_SQRT(q);
+    }
+
+    /* The synthesis loop will have to recalculate the filter coefficients. */
+    iir_filter->last_fres = -1.;
+}
+
+static FLUID_INLINE void
+fluid_iir_filter_calculate_coefficients(fluid_iir_filter_t *iir_filter,
+                                        int transition_samples,
+                                        fluid_real_t output_rate)
+{
+    /* FLUID_IIR_Q_LINEAR may switch the filter off by setting Q==0 */
+    if(iir_filter->q_lin == 0)
+    {
+        return;
+    }
+    else
+    {
+        /*
+         * Those equations from Robert Bristow-Johnson's `Cookbook
+         * formulae for audio EQ biquad filter coefficients', obtained
+         * from Harmony-central.com / Computer / Programming. They are
+         * the result of the bilinear transform on an analogue filter
+         * prototype. To quote, `BLT frequency warping has been taken
+         * into account for both significant frequency relocation and for
+         * bandwidth readjustment'. */
+
+        fluid_real_t omega = (fluid_real_t)(2.0 * M_PI) *
+                                            (iir_filter->last_fres / output_rate);
+        fluid_real_t sin_coeff = FLUID_SIN(omega);
+        fluid_real_t cos_coeff = FLUID_COS(omega);
+        fluid_real_t alpha_coeff = sin_coeff / (2.0f * iir_filter->q_lin);
+        fluid_real_t a0_inv = 1.0f / (1.0f + alpha_coeff);
+
+        /* Calculate the filter coefficients. All coefficients are
+         * normalized by a0. Think of `a1' as `a1/a0'.
+         *
+         * Here a couple of multiplications are saved by reusing common expressions.
+         * The original equations should be:
+         *  iir_filter->b0=(1.-cos_coeff)*a0_inv*0.5*iir_filter->filter_gain;
+         *  iir_filter->b1=(1.-cos_coeff)*a0_inv*iir_filter->filter_gain;
+         *  iir_filter->b2=(1.-cos_coeff)*a0_inv*0.5*iir_filter->filter_gain; */
+
+        /* "a" coeffs are same for all 3 available filter types */
+        fluid_real_t a1_temp = -2.0f * cos_coeff * a0_inv;
+        fluid_real_t a2_temp = (1.0f - alpha_coeff) * a0_inv;
+
+        fluid_real_t b02_temp, b1_temp;
+
+        switch(iir_filter->type)
+        {
+        case FLUID_IIR_HIGHPASS:
+            b1_temp = (1.0f + cos_coeff) * a0_inv * iir_filter->filter_gain;
+
+            /* both b0 -and- b2 */
+            b02_temp = b1_temp * 0.5f;
+
+            b1_temp *= -1.0f;
+            break;
+
+        case FLUID_IIR_LOWPASS:
+            b1_temp = (1.0f - cos_coeff) * a0_inv * iir_filter->filter_gain;
+
+            /* both b0 -and- b2 */
+            b02_temp = b1_temp * 0.5f;
+            break;
+
+        default:
+            /* filter disabled, should never get here */
+            return;
+        }
+
+        iir_filter->compensate_incr = 0;
+
+        if(iir_filter->filter_startup || (transition_samples == 0))
+        {
+            /* The filter is calculated, because the voice was started up.
+             * In this case set the filter coefficients without delay.
+             */
+            iir_filter->a1 = a1_temp;
+            iir_filter->a2 = a2_temp;
+            iir_filter->b02 = b02_temp;
+            iir_filter->b1 = b1_temp;
+            iir_filter->filter_coeff_incr_count = 0;
+            iir_filter->filter_startup = 0;
+//       printf("Setting initial filter coefficients.\n");
+        }
+        else
+        {
+
+            /* The filter frequency is changed.  Calculate an increment
+             * factor, so that the new setting is reached after one buffer
+             * length. x_incr is added to the current value FLUID_BUFSIZE
+             * times. The length is arbitrarily chosen. Longer than one
+             * buffer will sacrifice some performance, though.  Note: If
+             * the filter is still too 'grainy', then increase this number
+             * at will.
+             */
+
+            iir_filter->a1_incr = (a1_temp - iir_filter->a1) / transition_samples;
+            iir_filter->a2_incr = (a2_temp - iir_filter->a2) / transition_samples;
+            iir_filter->b02_incr = (b02_temp - iir_filter->b02) / transition_samples;
+            iir_filter->b1_incr = (b1_temp - iir_filter->b1) / transition_samples;
+
+            if(FLUID_FABS(iir_filter->b02) > 0.0001f)
+            {
+                fluid_real_t quota = b02_temp / iir_filter->b02;
+                iir_filter->compensate_incr = quota < 0.5f || quota > 2.f;
+            }
+
+            /* Have to add the increments filter_coeff_incr_count times. */
+            iir_filter->filter_coeff_incr_count = transition_samples;
+        }
+
+        fluid_check_fpe("voice_write filter calculation");
+    }
+}
+
+
+void fluid_iir_filter_calc(fluid_iir_filter_t *iir_filter,
+                           fluid_real_t output_rate,
+                           fluid_real_t fres_mod)
+{
+    fluid_real_t fres;
+
+    /* calculate the frequency of the resonant filter in Hz */
+    fres = fluid_ct2hz(iir_filter->fres + fres_mod);
+
+    /* FIXME - Still potential for a click during turn on, can we interpolate
+       between 20khz cutoff and 0 Q? */
+
+    /* I removed the optimization of turning the filter off when the
+     * resonance frequency is above the maximum frequency. Instead, the
+     * filter frequency is set to a maximum of 0.45 times the sampling
+     * rate. For a 44100 kHz sampling rate, this amounts to 19845
+     * Hz. The reason is that there were problems with anti-aliasing when the
+     * synthesizer was run at lower sampling rates. Thanks to Stephan
+     * Tassart for pointing me to this bug. By turning the filter on and
+     * clipping the maximum filter frequency at 0.45*srate, the filter
+     * is used as an anti-aliasing filter. */
+
+    if(fres > 0.45f * output_rate)
+    {
+        fres = 0.45f * output_rate;
+    }
+    else if(fres < 5.f)
+    {
+        fres = 5.f;
+    }
+
+    /* if filter enabled and there is a significant frequency change.. */
+    if(iir_filter->type != FLUID_IIR_DISABLED && FLUID_FABS(fres - iir_filter->last_fres) > 0.01f)
+    {
+        /* The filter coefficients have to be recalculated (filter
+         * parameters have changed). Recalculation for various reasons is
+         * forced by setting last_fres to -1.  The flag filter_startup
+         * indicates, that the DSP loop runs for the first time, in this
+         * case, the filter is set directly, instead of smoothly fading
+         * between old and new settings. */
+        iir_filter->last_fres = fres;
+        fluid_iir_filter_calculate_coefficients(iir_filter, FLUID_BUFSIZE,
+                                                output_rate);
+    }
+
+
+    fluid_check_fpe("voice_write DSP coefficients");
+
+}
+
diff --git a/libs/fluidsynth/src/rvoice/fluid_iir_filter.h b/libs/fluidsynth/src/rvoice/fluid_iir_filter.h
new file mode 100644
index 00000000000..355d197f1cb
--- /dev/null
+++ b/libs/fluidsynth/src/rvoice/fluid_iir_filter.h
@@ -0,0 +1,75 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#ifndef _FLUID_IIR_FILTER_H
+#define _FLUID_IIR_FILTER_H
+
+#include "fluidsynth_priv.h"
+
+typedef struct _fluid_iir_filter_t fluid_iir_filter_t;
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_iir_filter_init);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_iir_filter_set_fres);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_iir_filter_set_q);
+
+void fluid_iir_filter_apply(fluid_iir_filter_t *iir_filter,
+                            fluid_real_t *dsp_buf, int dsp_buf_count);
+
+void fluid_iir_filter_reset(fluid_iir_filter_t *iir_filter);
+
+void fluid_iir_filter_calc(fluid_iir_filter_t *iir_filter,
+                           fluid_real_t output_rate,
+                           fluid_real_t fres_mod);
+
+/* We can't do information hiding here, as fluid_voice_t includes the struct
+   without a pointer. */
+struct _fluid_iir_filter_t
+{
+    enum fluid_iir_filter_type type; /* specifies the type of this filter */
+    enum fluid_iir_filter_flags flags; /* additional flags to customize this filter */
+
+    /* filter coefficients */
+    /* The coefficients are normalized to a0. */
+    /* b0 and b2 are identical => b02 */
+    fluid_real_t b02;              /* b0 / a0 */
+    fluid_real_t b1;              /* b1 / a0 */
+    fluid_real_t a1;              /* a0 / a0 */
+    fluid_real_t a2;              /* a1 / a0 */
+
+    fluid_real_t b02_incr;
+    fluid_real_t b1_incr;
+    fluid_real_t a1_incr;
+    fluid_real_t a2_incr;
+    int filter_coeff_incr_count;
+    int compensate_incr;		/* Flag: If set, must compensate history */
+    fluid_real_t hist1, hist2;      /* Sample history for the IIR filter */
+    int filter_startup;             /* Flag: If set, the filter will be set directly.
+					   Else it changes smoothly. */
+
+    fluid_real_t fres;              /* the resonance frequency, in cents (not absolute cents) */
+    fluid_real_t last_fres;         /* Current resonance frequency of the IIR filter */
+    /* Serves as a flag: A deviation between fres and last_fres */
+    /* indicates, that the filter has to be recalculated. */
+    fluid_real_t q_lin;             /* the q-factor on a linear scale */
+    fluid_real_t filter_gain;       /* Gain correction factor, depends on q */
+};
+
+#endif
+
diff --git a/libs/fluidsynth/src/rvoice/fluid_lfo.c b/libs/fluidsynth/src/rvoice/fluid_lfo.c
new file mode 100644
index 00000000000..ae21cdd0f72
--- /dev/null
+++ b/libs/fluidsynth/src/rvoice/fluid_lfo.c
@@ -0,0 +1,17 @@
+#include "fluid_lfo.h"
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_lfo_set_incr)
+{
+    fluid_lfo_t *lfo = obj;
+    fluid_real_t increment = param[0].real;
+
+    lfo->increment = increment;
+}
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_lfo_set_delay)
+{
+    fluid_lfo_t *lfo = obj;
+    unsigned int delay = param[0].i;
+
+    lfo->delay = delay;
+}
diff --git a/libs/fluidsynth/src/rvoice/fluid_lfo.h b/libs/fluidsynth/src/rvoice/fluid_lfo.h
new file mode 100644
index 00000000000..b9a9ca6eaaf
--- /dev/null
+++ b/libs/fluidsynth/src/rvoice/fluid_lfo.h
@@ -0,0 +1,75 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#ifndef _FLUID_LFO_H
+#define _FLUID_LFO_H
+
+#include "fluid_sys.h"
+
+typedef struct _fluid_lfo_t fluid_lfo_t;
+
+struct _fluid_lfo_t
+{
+    fluid_real_t val;          /* the current value of the LFO */
+    unsigned int delay;       /* the delay of the lfo in samples */
+    fluid_real_t increment;         /* the lfo frequency is converted to a per-buffer increment */
+};
+
+static FLUID_INLINE void
+fluid_lfo_reset(fluid_lfo_t *lfo)
+{
+    lfo->val = 0.0f;
+}
+
+// These two cannot be inlined since they're used by event_dispatch
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_lfo_set_incr);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_lfo_set_delay);
+
+static FLUID_INLINE fluid_real_t
+fluid_lfo_get_val(fluid_lfo_t *lfo)
+{
+    return lfo->val;
+}
+
+static FLUID_INLINE void
+fluid_lfo_calc(fluid_lfo_t *lfo, unsigned int cur_delay)
+{
+    if(cur_delay < lfo->delay)
+    {
+        return;
+    }
+
+    lfo->val += lfo->increment;
+
+    if(lfo->val > (fluid_real_t) 1.0)
+    {
+        lfo->increment = -lfo->increment;
+        lfo->val = (fluid_real_t) 2.0 - lfo->val;
+    }
+    else if(lfo->val < (fluid_real_t) -1.0)
+    {
+        lfo->increment = -lfo->increment;
+        lfo->val = (fluid_real_t) -2.0 - lfo->val;
+    }
+
+}
+
+#endif
+
diff --git a/libs/fluidsynth/src/rvoice/fluid_phase.h b/libs/fluidsynth/src/rvoice/fluid_phase.h
new file mode 100644
index 00000000000..44df6b249fc
--- /dev/null
+++ b/libs/fluidsynth/src/rvoice/fluid_phase.h
@@ -0,0 +1,113 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+
+#ifndef _FLUID_PHASE_H
+#define _FLUID_PHASE_H
+
+/*
+ *  phase
+ */
+
+#define FLUID_INTERP_BITS        8
+#define FLUID_INTERP_BITS_MASK   0xff000000
+#define FLUID_INTERP_BITS_SHIFT  24
+
+
+#define FLUID_FRACT_MAX ((double)4294967296.0)
+
+/* fluid_phase_t
+* Purpose:
+* Playing pointer for voice playback
+*
+* When a sample is played back at a different pitch, the playing pointer in the
+* source sample will not advance exactly one sample per output sample.
+* This playing pointer is implemented using fluid_phase_t.
+* It is a 64 bit number. The higher 32 bits contain the 'index' (number of
+* the current sample), the lower 32 bits the fractional part.
+*/
+typedef uint64_t fluid_phase_t;
+
+/* Purpose:
+ * Set a to b.
+ * a: fluid_phase_t
+ * b: fluid_phase_t
+ */
+#define fluid_phase_set(a,b) a=b;
+
+#define fluid_phase_set_int(a, b)    ((a) = ((uint64_t)(b)) << 32)
+
+/* Purpose:
+ * Sets the phase a to a phase increment given in b.
+ * For example, assume b is 0.9. After setting a to it, adding a to
+ * the playing pointer will advance it by 0.9 samples. */
+#define fluid_phase_set_float(a, b) \
+  (a) = (((uint64_t)(b)) << 32) \
+  | (uint32_t) (((double)(b) - (int)(b)) * (double)FLUID_FRACT_MAX)
+
+/* create a fluid_phase_t from an index and a fraction value */
+#define fluid_phase_from_index_fract(index, fract) \
+  ((((uint64_t)(index)) << 32) + (fract))
+
+/* Purpose:
+ * Return the index and the fractional part, respectively. */
+#define fluid_phase_index(_x) \
+  ((unsigned int)((_x) >> 32))
+#define fluid_phase_fract(_x) \
+  ((uint32_t)((_x) & 0xFFFFFFFF))
+
+/* Get the phase index with fractional rounding */
+#define fluid_phase_index_round(_x) \
+  ((unsigned int)(((_x) + 0x80000000) >> 32))
+
+
+/* Purpose:
+ * Takes the fractional part of the argument phase and
+ * calculates the corresponding position in the interpolation table.
+ * The fractional position of the playing pointer is calculated with a quite high
+ * resolution (32 bits). It would be unpractical to keep a set of interpolation
+ * coefficients for each possible fractional part...
+ */
+#define fluid_phase_fract_to_tablerow(_x) \
+  ((unsigned int)(fluid_phase_fract(_x) & FLUID_INTERP_BITS_MASK) >> FLUID_INTERP_BITS_SHIFT)
+
+#define fluid_phase_double(_x) \
+  ((double)(fluid_phase_index(_x)) + ((double)fluid_phase_fract(_x) / FLUID_FRACT_MAX))
+
+/* Purpose:
+ * Advance a by a step of b (both are fluid_phase_t).
+ */
+#define fluid_phase_incr(a, b)  a += b
+
+/* Purpose:
+ * Subtract b from a (both are fluid_phase_t).
+ */
+#define fluid_phase_decr(a, b)  a -= b
+
+/* Purpose:
+ * Subtract b samples from a.
+ */
+#define fluid_phase_sub_int(a, b)  ((a) -= (uint64_t)(b) << 32)
+
+/* Purpose:
+ * Creates the expression a.index++. */
+#define fluid_phase_index_plusplus(a)  (((a) += 0x100000000LL)
+
+#endif  /* _FLUID_PHASE_H */
diff --git a/libs/fluidsynth/src/rvoice/fluid_rev.c b/libs/fluidsynth/src/rvoice/fluid_rev.c
new file mode 100644
index 00000000000..11bc760832a
--- /dev/null
+++ b/libs/fluidsynth/src/rvoice/fluid_rev.c
@@ -0,0 +1,1523 @@
+/******************************************************************************
+ * FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ *
+ *
+ *                           FDN REVERB
+ *
+ * Freeverb used by fluidsynth (v.1.1.10 and previous) is based on
+ * Schroeder-Moorer reverberator:
+ * https://ccrma.stanford.edu/~jos/pasp/Freeverb.html
+ *
+ * This FDN reverberation is based on jot FDN reverberator.
+ * https://ccrma.stanford.edu/~jos/Reverb/FDN_Late_Reverberation.html
+ * Like Freeverb it is a late reverb which is convenient for Fluidsynth.
+ *
+ *
+ *                                        .-------------------.
+ *                      .-----------------|                   |
+ *                      |              -  |      Feedback     |
+ *                      |  .--------------|       Matrix      |
+ *                      |  |              |___________________|
+ *                      |  |                         /|\   /|\
+ *                     \|/ |   .---------. .-------.  |  -  |   .------.
+ *                   .->+ ---->| Delay 0 |-|L.P.F 0|--*-------->|      |-> out
+ *      .---------.  |     |   |_________| |_______|        |   |      |  left
+ *      |Tone     |  |     |       -           -            |   |Stereo|
+ * In ->|corrector|--*     |       -           -            |   | unit |
+ * mono |_________|  |    \|/  .---------. .-------.        |   |      |-> out
+ *                    ---->+ ->| Delay 7 |-|L.P.F 7|--------*-->|      |  right
+ *                             |_________| |_______|            |______|
+ *                                          /|\ /|\              /|\ /|\
+ *                                           |   |                |   |
+ *                                roomsize --/   |       width  --/   |
+ *                                    damp ------/       level  ------/
+ *
+ * It takes a monophonic input and produces a stereo output.
+ *
+ * The parameters are the same than for Freeverb.
+ * Also the default response of these parameters are the same than for Freeverb:
+ *  - roomsize (0 to 1): control the reverb time from 0.7 to 12.5 s.
+ *    This reverberation time is ofen called T60DC.
+ *
+ *  - damp (0 to 1): controls the reverb time frequency dependency.
+ *    This controls the reverb time for the frequency sample rate/2
+ *
+ *    When 0, the reverb time for high frequencies is the same as
+ *    for DC frequency.
+ *    When > 0, high frequencies have less reverb time than lower frequencies.
+ *
+ *  - width (0 to 100): controls the left/right output separation.
+ *    When 0, there are no separation and the signal on left and right.
+ *    output is the same. This sounds like a monophonic signal.
+ *    When 100, the separation between left and right is maximum.
+ *
+ *  - level (0 to 1), controls the output level reverberation.
+ *
+ * This FDN reverb produces a better quality reverberation tail than Freeverb with
+ * far less ringing by using modulated delay lines that help to cancel
+ * the building of a lot of resonances in the reverberation tail even when
+ * using only 8 delays lines (NBR_DELAYS = 8) (default).
+ *
+ * The frequency density (often called "modal density" is one property that
+ * contributes to sound quality. Although 8 lines give good result, using 12 delays
+ * lines brings the overall frequency density quality a bit higher.
+ * This quality augmentation is noticeable particularly when using long reverb time
+ * (roomsize = 1) on solo instrument with long release time. Of course the cpu load
+ * augmentation is +50% relatively to 8 lines.
+ *
+ * As a general rule the reverberation tail quality is easier to perceive by ear
+ * when using:
+ * - percussive instruments (i.e piano and others).
+ * - long reverb time (roomsize = 1).
+ * - no damping (damp = 0).
+ * - Using headphone. Avoid using loud speaker, you will be quickly misguided by the
+ *   natural reverberation of the room in which you are.
+ *
+ * The cpu load for 8 lines is a bit lower than for freeverb (- 3%),
+ * but higher for 12 lines (+ 41%).
+ *
+ *
+ * The memory consumption is less than for freeverb
+ * (see the results table below).
+ *
+ * Two macros are usable at compiler time:
+ * - NBR_DELAYS: number of delay lines. 8 (default) or 12.
+ * - ROOMSIZE_RESPONSE_LINEAR: allows to choose an alternate response of
+ *   roomsize parameter.
+ *   When this macro is not defined (the default), roomsize has the same
+ *   response that Freeverb, that is:
+ *   - roomsize (0 to 1) controls concave reverb time (0.7 to 12.5 s).
+ *
+ *   When this macro is defined, roomsize behaves linearly:
+ *   - roomsize (0 to 1) controls reverb time linearly  (0.7 to 12.5 s).
+ *   This linear response is convenient when using GUI controls.
+ *
+ * --------------------------------------------------------------------------
+ * Compare table:
+ * Note: the cpu load in % are relative each to other. These values are
+ * given by the fluidsynth profile commands.
+ * --------------------------------------------------------------------------
+ * reverb    | NBR_DELAYS     | Performances    | memory size       | quality
+ *           |                | (cpu_load: %)   | (bytes)(see note) |
+ * ==========================================================================
+ * freeverb  | 2 x 8 comb     |  0.670 %        | 204616            | ringing
+ *           | 2 x 4 all-pass |                 |                   |
+ * ----------|---------------------------------------------------------------
+ *    FDN    | 8              |  0.650 %        | 112480            | far less
+ * modulated |                |(feeverb - 3%)   | (56% freeverb)    | ringing
+ *           |---------------------------------------------------------------
+ *           | 12             |  0.942 %        | 168720            | best than
+ *           |                |(freeverb + 41%) | (82 %freeverb)    | 8 lines
+ *---------------------------------------------------------------------------
+ *
+ * Note:
+ * Values in this column is the memory consumption for sample rate <= 44100Hz.
+ * For sample rate > 44100Hz , multiply these values by (sample rate / 44100Hz).
+ * For example: for sample rate 96000Hz, the memory consumed is 244760 bytes
+ *
+ *----------------------------------------------------------------------------
+ * 'Denormalise' method to avoid loss of performance.
+ * --------------------------------------------------
+ * According to music-dsp thread 'Denormalise', Pentium processors
+ * have a hardware 'feature', that is of interest here, related to
+ * numeric underflow.  We have a recursive filter. The output decays
+ * exponentially, if the input stops.  So the numbers get smaller and
+ * smaller... At some point, they reach 'denormal' level.  This will
+ * lead to drastic spikes in the CPU load.  The effect was reproduced
+ * with the reverb - sometimes the average load over 10 s doubles!!.
+ *
+ * The 'undenormalise' macro fixes the problem: As soon as the number
+ * is close enough to denormal level, the macro forces the number to
+ * 0.0f.  The original macro is:
+ *
+ * #define undenormalise(sample) if(((*(unsigned int*)&sample)&0x7f800000)==0) sample=0.0f
+ *
+ * This will zero out a number when it reaches the denormal level.
+ * Advantage: Maximum dynamic range Disadvantage: We'll have to check
+ * every sample, expensive.  The alternative macro comes from a later
+ * mail from Jon Watte. It will zap a number before it reaches
+ * denormal level. Jon suggests to run it once per block instead of
+ * every sample.
+ */
+
+/* Denormalising part II:
+ *
+ * Another method fixes the problem cheaper: Use a small DC-offset in
+ * the filter calculations.  Now the signals converge not against 0,
+ * but against the offset.  The constant offset is invisible from the
+ * outside world (i.e. it does not appear at the output.  There is a
+ * very small turn-on transient response, which should not cause
+ * problems.
+ */
+#include "fluid_rev.h"
+#include "fluid_sys.h"
+
+/*----------------------------------------------------------------------------
+                        Configuration macros at compiler time.
+
+ 3 macros are usable at compiler time:
+  - NBR_DELAYs: number of delay lines. 8 (default) or 12.
+  - ROOMSIZE_RESPONSE_LINEAR: allows to choose an alternate response for
+    roomsize parameter.
+  - DENORMALISING enable denormalising handling.
+-----------------------------------------------------------------------------*/
+//#define INFOS_PRINT /* allows message to be printed on the console. */
+
+/* Number of delay lines (must be only 8 or 12)
+  8 is the default.
+ 12 produces a better quality but is +50% cpu expensive.
+*/
+#define NBR_DELAYS        8 /* default*/
+
+/* response curve of parameter roomsize  */
+/*
+    The default response is the same as Freeverb:
+    - roomsize (0 to 1) controls concave reverb time (0.7 to 12.5 s).
+
+    when ROOMSIZE_RESPONSE_LINEAR is defined, the response is:
+    - roomsize (0 to 1) controls reverb time linearly  (0.7 to 12.5 s).
+*/
+//#define ROOMSIZE_RESPONSE_LINEAR
+
+/* DENORMALISING enable denormalising handling */
+#define DENORMALISING
+
+#ifdef DENORMALISING
+#define DC_OFFSET 1e-8f
+#else
+#define DC_OFFSET  0.0f
+#endif
+
+/*----------------------------------------------------------------------------
+ Initial internal reverb settings (at reverb creation time)
+-----------------------------------------------------------------------------*/
+/* SCALE_WET_WIDTH is a compensation weight factor to get an output
+   amplitude (wet) rather independent of the width setting.
+    0: the output amplitude is fully dependent on the width setting.
+   >0: the output amplitude is less dependent on the width setting.
+   With a SCALE_WET_WIDTH of 0.2 the output amplitude is rather
+   independent of width setting (see fluid_revmodel_update()).
+ */
+#define SCALE_WET_WIDTH 0.2f
+
+/* It is best to inject the input signal less ofen. This contributes to obtain
+a flatter response on comb filter. So the input gain is set to 0.1 rather 1.0. */
+#define FIXED_GAIN 0.1f /* input gain */
+
+/* SCALE_WET is adjusted to 5.0 to get internal output level equivalent to freeverb */
+#define SCALE_WET 5.0f /* scale output gain */
+
+/*----------------------------------------------------------------------------
+ Internal FDN late reverb settings
+-----------------------------------------------------------------------------*/
+
+/*-- Reverberation time settings ----------------------------------
+ MIN_DC_REV_TIME est defined egal to the minimum value of freeverb:
+ MAX_DC_REV_TIME est defined egal to the maximum value of freeverb:
+ T60DC is computed from gi and the longest delay line in freeverb: L8 = 1617
+ T60 = -3 * Li * T / log10(gi)
+ T60 = -3 * Li *  / (log10(gi) * sr)
+
+  - Li: length of comb filter delay line.
+  - sr: sample rate.
+  - gi: the feedback gain.
+
+ The minimum value for freeverb correspond to gi = 0.7.
+ with Mi = 1617, sr at 44100 Hz, and gi = 0.7 => MIN_DC_REV_TIME = 0.7 s
+
+ The maximum value for freeverb correspond to gi = 0.98.
+ with Mi = 1617, sr at 44100 Hz, and gi = 0.98 => MAX_DC_REV_TIME = 12.5 s
+*/
+
+#define MIN_DC_REV_TIME 0.7f	/* minimum T60DC reverb time: seconds */
+#define MAX_DC_REV_TIME 12.5f	/* maximumm T60DC time in seconds */
+#define RANGE_REV_TIME (MAX_DC_REV_TIME - MIN_DC_REV_TIME)
+
+/* macro to compute internal reverberation time versus roomsize parameter  */
+#define GET_DC_REV_TIME(roomsize) (MIN_DC_REV_TIME + RANGE_REV_TIME * roomsize)
+
+/*-- Modulation related settings ----------------------------------*/
+/* For many instruments, the range for MOD_FREQ and MOD_DEPTH should be:
+
+ MOD_DEPTH: [3..6] (in samples).
+ MOD_FREQ: [0.5 ..2.0] (in Hz).
+
+ Values below the lower limits are often not sufficient to cancel unwanted
+ "ringing"(resonant frequency).
+ Values above upper limits augment the unwanted "chorus".
+
+ With NBR_DELAYS to 8:
+  MOD_DEPTH must be >= 4 to cancel the unwanted "ringing".[4..6].
+ With NBR_DELAYS to 12:
+  MOD_DEPTH to 3 is sufficient to cancel the unwanted "ringing".[3..6]
+*/
+#define MOD_DEPTH 4		/* modulation depth (samples)*/
+#define MOD_RATE 50		/* modulation rate  (samples)*/
+#define MOD_FREQ 1.0f	/* modulation frequency (Hz) */
+/*
+ Number of samples to add to the desired length of a delay line. This
+ allow to take account of modulation interpolation.
+ 1 is sufficient with MOD_DEPTH equal to 4.
+*/
+#define INTERP_SAMPLES_NBR 1
+
+/* phase offset between modulators waveform */
+#define MOD_PHASE  (360.0f/(float) NBR_DELAYS)
+
+#if (NBR_DELAYS == 8)
+    #define DELAY_L0 601
+    #define DELAY_L1 691
+    #define DELAY_L2 773
+    #define DELAY_L3 839
+    #define DELAY_L4 919
+    #define DELAY_L5 997
+    #define DELAY_L6 1061
+    #define DELAY_L7 1129
+#elif (NBR_DELAYS == 12)
+    #define DELAY_L0 601
+    #define DELAY_L1 691
+    #define DELAY_L2 773
+    #define DELAY_L3 839
+    #define DELAY_L4 919
+    #define DELAY_L5 997
+    #define DELAY_L6 1061
+    #define DELAY_L7 1093
+    #define DELAY_L8 1129
+    #define DELAY_L9 1151
+    #define DELAY_L10 1171
+    #define DELAY_L11 1187
+#endif
+
+
+/*---------------------------------------------------------------------------*/
+/* The FDN late feed back matrix: A
+                            T
+  A   = P  -  2 / N * u  * u
+   N     N             N    N
+
+  N: the matrix dimension (i.e NBR_DELAYS).
+  P: permutation matrix.
+  u: is a column vector of 1.
+
+*/
+#define FDN_MATRIX_FACTOR (fluid_real_t)(-2.0 / NBR_DELAYS)
+
+/*----------------------------------------------------------------------------
+             Internal FDN late structures and static functions
+-----------------------------------------------------------------------------*/
+
+
+/*-----------------------------------------------------------------------------
+ Delay absorbent low pass filter
+-----------------------------------------------------------------------------*/
+typedef struct
+{
+    fluid_real_t buffer;
+    fluid_real_t b0, a1;         /* filter coefficients */
+} fdn_delay_lpf;
+
+/*-----------------------------------------------------------------------------
+ Sets coefficients for delay absorbent low pass filter.
+ @param lpf pointer on low pass filter structure.
+ @param b0,a1 coefficients.
+-----------------------------------------------------------------------------*/
+static void set_fdn_delay_lpf(fdn_delay_lpf *lpf,
+                              fluid_real_t b0, fluid_real_t  a1)
+{
+    lpf->b0 = b0;
+    lpf->a1 = a1;
+}
+
+/*-----------------------------------------------------------------------------
+ Process delay absorbent low pass filter.
+ @param mod_delay modulated delay line.
+ @param in, input sample.
+ @param out output sample.
+-----------------------------------------------------------------------------*/
+/* process low pass damping filter (input, output, delay) */
+#define process_damping_filter(in,out,mod_delay) \
+{\
+    out = in * mod_delay->dl.damping.b0 - mod_delay->dl.damping.buffer * \
+                                            mod_delay->dl.damping.a1;\
+    mod_delay->dl.damping.buffer = out;\
+}\
+
+
+/*-----------------------------------------------------------------------------
+ Delay line :
+ The delay line is composed of the line plus an absorbent low pass filter
+ to get frequency dependent reverb time.
+-----------------------------------------------------------------------------*/
+typedef struct
+{
+    fluid_real_t *line; /* buffer line */
+    int   size;         /* effective internal size (in samples) */
+    /*-------------*/
+    int line_in;  /* line in position */
+    int line_out; /* line out position */
+    /*-------------*/
+    fdn_delay_lpf damping; /* damping low pass filter */
+} delay_line;
+
+
+/*-----------------------------------------------------------------------------
+ Clears a delay line to DC_OFFSET float value.
+ @param dl pointer on delay line structure
+-----------------------------------------------------------------------------*/
+static void clear_delay_line(delay_line *dl)
+{
+    int i;
+
+    for(i = 0; i < dl->size; i++)
+    {
+        dl->line[i] = DC_OFFSET;
+    }
+}
+
+/*-----------------------------------------------------------------------------
+ Push a sample val into the delay line
+-----------------------------------------------------------------------------*/
+#define push_in_delay_line(dl, val) \
+{\
+    dl->line[dl->line_in] = val;\
+    /* Incrementation and circular motion if necessary */\
+    if(++dl->line_in >= dl->size) dl->line_in -= dl->size;\
+}\
+
+/*-----------------------------------------------------------------------------
+ Modulator for modulated delay line
+-----------------------------------------------------------------------------*/
+
+/*-----------------------------------------------------------------------------
+ Sinusoidal modulator
+-----------------------------------------------------------------------------*/
+/* modulator are integrated in modulated delay line */
+typedef struct
+{
+    fluid_real_t   a1;          /* Coefficient: a1 = 2 * cos(w) */
+    fluid_real_t   buffer1;     /* buffer1 */
+    fluid_real_t   buffer2;     /* buffer2 */
+    fluid_real_t   reset_buffer2;/* reset value of buffer2 */
+} sinus_modulator;
+
+/*-----------------------------------------------------------------------------
+ Sets the frequency of sinus oscillator.
+
+ @param mod pointer on modulator structure.
+ @param freq frequency of the oscillator in Hz.
+ @param sample_rate sample rate on audio output in Hz.
+ @param phase initial phase of the oscillator in degree (0 to 360).
+-----------------------------------------------------------------------------*/
+static void set_mod_frequency(sinus_modulator *mod,
+                              float freq, float sample_rate, float phase)
+{
+    fluid_real_t w = 2 * FLUID_M_PI * freq / sample_rate; /* initial angle */
+    fluid_real_t a;
+
+    mod->a1 = 2 * FLUID_COS(w);
+
+    a = (2 * FLUID_M_PI / 360) * phase;
+
+    mod->buffer2 = FLUID_SIN(a - w); /* y(n-1) = sin(-initial angle) */
+    mod->buffer1 = FLUID_SIN(a); /* y(n) = sin(initial phase) */
+    mod->reset_buffer2 = FLUID_SIN(FLUID_M_PI / 2 - w); /* reset value for PI/2 */
+}
+
+/*-----------------------------------------------------------------------------
+ Gets current value of sinus modulator:
+   y(n) = a1 . y(n-1)  -  y(n-2)
+   out = a1 . buffer1  -  buffer2
+
+ @param pointer on modulator structure.
+ @return current value of the modulator sine wave.
+-----------------------------------------------------------------------------*/
+static FLUID_INLINE fluid_real_t get_mod_sinus(sinus_modulator *mod)
+{
+    fluid_real_t out;
+    out = mod->a1 * mod->buffer1 - mod->buffer2;
+    mod->buffer2 = mod->buffer1;
+
+    if(out >= 1.0f) /* reset in case of instability near PI/2 */
+    {
+        out = 1.0f; /* forces output to the right value */
+        mod->buffer2 = mod->reset_buffer2;
+    }
+
+    if(out <= -1.0f) /* reset in case of instability near -PI/2 */
+    {
+        out = -1.0f; /* forces output to the right value */
+        mod->buffer2 = - mod->reset_buffer2;
+    }
+
+    mod->buffer1 = out;
+    return  out;
+}
+
+/*-----------------------------------------------------------------------------
+ Modulated delay line. The line is composed of:
+ - the delay line with its damping low pass filter.
+ - the sinusoidal modulator.
+ - center output position modulated by the modulator.
+ - variable rate control of center output position.
+ - first order All-Pass interpolator.
+-----------------------------------------------------------------------------*/
+typedef struct
+{
+    /* delay line with damping low pass filter member */
+    delay_line dl; /* delayed line */
+    /*---------------------------*/
+    /* Sinusoidal modulator member */
+    sinus_modulator mod; /* sinus modulator */
+    /*-------------------------*/
+    /* center output position members */
+    fluid_real_t  center_pos_mod; /* center output position modulated by modulator */
+    int          mod_depth;   /* modulation depth (in samples) */
+    /*-------------------------*/
+    /* variable rate control of center output position */
+    int index_rate;  /* index rate to know when to update center_pos_mod */
+    int mod_rate;    /* rate at which center_pos_mod is updated */
+    /*-------------------------*/
+    /* first order All-Pass interpolator members */
+    fluid_real_t  frac_pos_mod; /* fractional position part between samples) */
+    /* previous value used when interpolating using fractional */
+    fluid_real_t  buffer;
+} mod_delay_line;
+
+/*-----------------------------------------------------------------------------
+ Return norminal delay length
+
+ @param mdl, pointer on modulated delay line.
+-----------------------------------------------------------------------------*/
+static int get_mod_delay_line_length(mod_delay_line *mdl)
+{
+    return (mdl->dl.size - mdl->mod_depth - INTERP_SAMPLES_NBR);
+}
+
+/*-----------------------------------------------------------------------------
+ Reads the sample value out of the modulated delay line.
+ @param mdl, pointer on modulated delay line.
+ @return the sample value.
+-----------------------------------------------------------------------------*/
+static FLUID_INLINE fluid_real_t get_mod_delay(mod_delay_line *mdl)
+{
+    fluid_real_t out_index;  /* new modulated index position */
+    int int_out_index; /* integer part of out_index */
+    fluid_real_t out; /* value to return */
+
+    /* Checks if the modulator must be updated (every mod_rate samples). */
+    /* Important: center_pos_mod must be used immediately for the
+       first sample. So, mdl->index_rate must be initialized
+       to mdl->mod_rate (set_mod_delay_line())  */
+
+    if(++mdl->index_rate >= mdl->mod_rate)
+    {
+        mdl->index_rate = 0;
+
+        /* out_index = center position (center_pos_mod) + sinus waweform */
+        out_index = mdl->center_pos_mod +
+                    get_mod_sinus(&mdl->mod) * mdl->mod_depth;
+
+        /* extracts integer part in int_out_index */
+        if(out_index >= 0.0f)
+        {
+            int_out_index = (int)out_index; /* current integer part */
+
+            /* forces read index (line_out)  with integer modulation value  */
+            /* Boundary check and circular motion as needed */
+            if((mdl->dl.line_out = int_out_index) >= mdl->dl.size)
+            {
+                mdl->dl.line_out -= mdl->dl.size;
+            }
+        }
+        else /* negative */
+        {
+            int_out_index = (int)(out_index - 1); /* previous integer part */
+            /* forces read index (line_out) with integer modulation value  */
+            /* circular motion as needed */
+            mdl->dl.line_out   = int_out_index + mdl->dl.size;
+        }
+
+        /* extracts fractionnal part. (it will be used when interpolating
+          between line_out and line_out +1) and memorize it.
+          Memorizing is necessary for modulation rate above 1 */
+        mdl->frac_pos_mod = out_index - int_out_index;
+
+        /* updates center position (center_pos_mod) to the next position
+           specified by modulation rate */
+        if((mdl->center_pos_mod += mdl->mod_rate) >= mdl->dl.size)
+        {
+            mdl->center_pos_mod -= mdl->dl.size;
+        }
+    }
+
+    /*  First order all-pass interpolation ----------------------------------*/
+    /* https://ccrma.stanford.edu/~jos/pasp/First_Order_Allpass_Interpolation.html */
+    /*  begins interpolation: read current sample */
+    out = mdl->dl.line[mdl->dl.line_out];
+
+    /* updates line_out to the next sample.
+       Boundary check and circular motion as needed */
+    if(++mdl->dl.line_out >= mdl->dl.size)
+    {
+        mdl->dl.line_out -= mdl->dl.size;
+    }
+
+    /* Fractional interpolation between next sample (at next position) and
+       previous output added to current sample.
+    */
+    out += mdl->frac_pos_mod * (mdl->dl.line[mdl->dl.line_out] - mdl->buffer);
+    mdl->buffer = out; /* memorizes current output */
+    return out;
+}
+
+/*-----------------------------------------------------------------------------
+ Late structure
+-----------------------------------------------------------------------------*/
+struct _fluid_late
+{
+    fluid_real_t samplerate;       /* sample rate */
+    fluid_real_t sample_rate_max;  /* sample rate maximum */
+    /*----- High pass tone corrector -------------------------------------*/
+    fluid_real_t tone_buffer;
+    fluid_real_t b1, b2;
+    /*----- Modulated delay lines lines ----------------------------------*/
+    mod_delay_line mod_delay_lines[NBR_DELAYS];
+    /*-----------------------------------------------------------------------*/
+    /* Output coefficients for separate Left and right stereo outputs */
+    fluid_real_t out_left_gain[NBR_DELAYS]; /* Left delay lines' output gains */
+    fluid_real_t out_right_gain[NBR_DELAYS];/* Right delay lines' output gains*/
+};
+
+typedef struct _fluid_late   fluid_late;
+/*-----------------------------------------------------------------------------
+ fluidsynth reverb structure
+-----------------------------------------------------------------------------*/
+struct _fluid_revmodel_t
+{
+    /* reverb parameters */
+    fluid_real_t roomsize; /* acting on reverb time */
+    fluid_real_t damp; /* acting on frequency dependent reverb time */
+    fluid_real_t level, wet1, wet2; /* output level */
+    fluid_real_t width; /* width stereo separation */
+
+    /* fdn reverberation structure */
+    fluid_late  late;
+};
+
+/*-----------------------------------------------------------------------------
+ Updates Reverb time and absorbent filters coefficients from parameters:
+
+ @param late pointer on late structure.
+ @param roomsize (0 to 1): acting on reverb time.
+ @param damping (0 to 1): acting on absorbent damping filter.
+
+ Design formulas:
+ https://ccrma.stanford.edu/~jos/Reverb/First_Order_Delay_Filter_Design.html
+ https://ccrma.stanford.edu/~jos/Reverb/Tonal_Correction_Filter.html
+-----------------------------------------------------------------------------*/
+static void update_rev_time_damping(fluid_late *late,
+                                    fluid_real_t roomsize, fluid_real_t damp)
+{
+    int i;
+    fluid_real_t sample_period = 1 / late->samplerate; /* Sampling period */
+    int delay_length;               /* delay length */
+    fluid_real_t dc_rev_time;       /* Reverb time at 0 Hz (in seconds) */
+
+    fluid_real_t alpha, alpha2;
+
+    /*--------------------------------------------
+         Computes dc_rev_time and alpha
+    ----------------------------------------------*/
+    {
+        fluid_real_t gi_tmp, ai_tmp;
+#ifdef ROOMSIZE_RESPONSE_LINEAR
+        /*   roomsize parameter behave linearly:
+         *   - roomsize (0 to 1) controls reverb time linearly  (0.7 to 10 s).
+         *   This linear response is convenient when using GUI controls.
+        */
+        /*-----------------------------------------
+              Computes dc_rev_time
+        ------------------------------------------*/
+        dc_rev_time = GET_DC_REV_TIME(roomsize);
+        delay_length = get_mod_delay_line_length(&late->mod_delay_lines[NBR_DELAYS - 1]);
+        /* computes gi_tmp from dc_rev_time using relation E2 */
+        gi_tmp = FLUID_POW(10, -3 * delay_length *
+                           sample_period / dc_rev_time); /* E2 */
+#else
+        /*   roomsize parameters have the same response that Freeverb, that is:
+         *   - roomsize (0 to 1) controls concave reverb time (0.7 to 10 s).
+        */
+        {
+            /*-----------------------------------------
+             Computes dc_rev_time
+            ------------------------------------------*/
+            fluid_real_t gi_min, gi_max;
+
+            /* values gi_min et gi_max are computed using E2 for the line with
+              maximum delay */
+            delay_length = get_mod_delay_line_length(&late->mod_delay_lines[NBR_DELAYS - 1]);
+            gi_max = FLUID_POW(10, (-3 * delay_length / MAX_DC_REV_TIME) *
+                                    sample_period); /* E2 */
+            gi_min = FLUID_POW(10, (-3 * delay_length / MIN_DC_REV_TIME) *
+                                    sample_period); /* E2 */
+            /* gi = f(roomsize, gi_max, gi_min) */
+            gi_tmp = gi_min + roomsize * (gi_max - gi_min);
+            /* Computes T60DC from gi using inverse of relation E2.*/
+            dc_rev_time = -3 * FLUID_M_LN10 * delay_length * sample_period / FLUID_LOGF(gi_tmp);
+        }
+#endif /* ROOMSIZE_RESPONSE_LINEAR */
+        /*--------------------------------------------
+            Computes alpha
+        ----------------------------------------------*/
+        /* Computes alpha from damp,ai_tmp,gi_tmp using relation R */
+        /* - damp (0 to 1) controls concave reverb time for fs/2 frequency (T60DC to 0) */
+        ai_tmp = 1.0f * damp;
+
+        /* Preserve the square of R */
+        alpha2 = 1.f / (1.f - ai_tmp / ((20.f / 80.f) * FLUID_LOGF(gi_tmp)));
+
+        alpha = FLUID_SQRT(alpha2); /* R */
+    }
+
+    /* updates tone corrector coefficients b1,b2 from alpha */
+    {
+        /*
+         Beta = (1 - alpha)  / (1 + alpha)
+         b1 = 1/(1-beta)
+         b2 = beta * b1
+        */
+        fluid_real_t beta = (1 - alpha)  / (1 + alpha);
+        late->b1 = 1 / (1 - beta);
+        late->b2 = beta * late->b1;
+        late->tone_buffer = 0.0f;
+    }
+
+    /* updates damping  coefficients of all lines (gi , ai) from dc_rev_time, alpha */
+    for(i = 0; i < NBR_DELAYS; i++)
+    {
+        fluid_real_t gi, ai;
+
+        /* delay length */
+        delay_length = get_mod_delay_line_length(&late->mod_delay_lines[i]);
+
+        /* iir low pass filter gain */
+        gi = FLUID_POW(10, -3 * delay_length * sample_period / dc_rev_time);
+
+        /* iir low pass filter feedback gain */
+        ai = (20.f / 80.f) * FLUID_LOGF(gi) * (1.f - 1.f / alpha2);
+
+        /* b0 = gi * (1 - ai),  a1 = - ai */
+        set_fdn_delay_lpf(&late->mod_delay_lines[i].dl.damping,
+                          gi * (1.f - ai), -ai);
+    }
+}
+
+/*-----------------------------------------------------------------------------
+ Updates stereo coefficients
+ @param late pointer on late structure
+ @param wet level integrated in stereo coefficients.
+-----------------------------------------------------------------------------*/
+static void update_stereo_coefficient(fluid_late *late, fluid_real_t wet1)
+{
+    int i;
+    fluid_real_t wet;
+
+    for(i = 0; i < NBR_DELAYS; i++)
+    {
+        /*  delay lines output gains vectors Left and Right
+
+                           L    R
+                       0 | 1    1|
+                       1 |-1    1|
+                       2 | 1   -1|
+                       3 |-1   -1|
+
+                       4 | 1    1|
+                       5 |-1    1|
+         stereo gain = 6 | 1   -1|
+                       7 |-1   -1|
+
+                       8 | 1    1|
+                       9 |-1    1|
+                       10| 1   -1|
+                       11|-1   -1|
+        */
+
+        /* for left line: 00,  ,02,  ,04,  ,06,  ,08,  ,10,  ,12,... left_gain = +1 */
+        /* for left line:   ,01,  ,03,  ,05,  ,07,  ,09,  ,11,...    left_gain = -1 */
+        wet = wet1;
+        if(i & 1)
+        {
+            wet = -wet1;
+        }
+        late->out_left_gain[i] = wet;
+
+        /* for right line: 00,01,      ,04,05,     ,08,09,     ,12,13  right_gain = +1 */
+        /* for right line:      ,02 ,03,     ,06,07,     ,10,11,...    right_gain = -1 */
+        wet = wet1;
+        if(i & 2)
+        {
+            wet = -wet1;
+        }
+        late->out_right_gain[i] = wet;
+    }
+}
+
+/*-----------------------------------------------------------------------------
+ fluid_late destructor.
+ @param late pointer on late structure.
+-----------------------------------------------------------------------------*/
+static void delete_fluid_rev_late(fluid_late *late)
+{
+    int i;
+    fluid_return_if_fail(late != NULL);
+
+    /* free the delay lines */
+    for(i = 0; i < NBR_DELAYS; i++)
+    {
+        FLUID_FREE(late->mod_delay_lines[i].dl.line);
+    }
+}
+
+
+/* Nominal delay lines length table (in samples) */
+static const int nom_delay_length[NBR_DELAYS] =
+{
+    DELAY_L0, DELAY_L1, DELAY_L2, DELAY_L3,
+    DELAY_L4, DELAY_L5, DELAY_L6, DELAY_L7,
+#if (NBR_DELAYS == 12)
+    DELAY_L8, DELAY_L9, DELAY_L10, DELAY_L11
+#endif
+};
+
+/*
+ 1)"modal density" is one property that contributes to the quality of the reverb tail.
+   The more is the modal density, the less are unwanted resonant frequencies
+   build during the decay time: modal density = total delay / sample rate.
+
+   Delay line's length given by static table delay_length[] are nominal
+   to get minimum modal density of 0.15 at sample rate 44100Hz.
+   Here we set length_factor to 2 to multiply this nominal modal
+   density by 2. This leads to a default modal density of 0.15 * 2 = 0.3 for
+   sample rate <= 44100.
+
+   For sample rate > 44100, length_factor is multiplied by
+   sample_rate / 44100. This ensures that the default modal density keeps inchanged.
+   (Without this compensation, the default modal density would be diminished for
+   new sample rate change above 44100Hz).
+
+ 2)Modulated delay line contributes to diminish resonnant frequencies (often called "ringing").
+   Modulation depth (mod_depth) is set to nominal value of MOD_DEPTH at sample rate 44100Hz.
+   For sample rate > 44100, mod_depth is multiplied by sample_rate / 44100. This ensures
+   that the effect of modulated delay line remains inchanged.
+*/
+static void compensate_from_sample_rate(fluid_real_t sample_rate,
+                                        fluid_real_t *mod_depth,
+                                        fluid_real_t *length_factor)
+{
+    *mod_depth = MOD_DEPTH;
+    *length_factor = 2.0f;
+    if(sample_rate > 44100.0f)
+    {
+        fluid_real_t sample_rate_factor = sample_rate/44100.0f;
+        *length_factor *= sample_rate_factor;
+        *mod_depth *= sample_rate_factor;
+    }
+}
+
+/*-----------------------------------------------------------------------------
+ Creates all modulated lines.
+ @param late, pointer on the fnd late reverb to initialize.
+ @param sample_rate_max, the maximum audio sample rate expected.
+ @return FLUID_OK if success, FLUID_FAILED otherwise.
+-----------------------------------------------------------------------------*/
+static int create_mod_delay_lines(fluid_late *late,
+                                  fluid_real_t sample_rate_max)
+{
+    int i;
+
+    fluid_real_t mod_depth, length_factor;
+
+    /* compute mod_depth, length factor */
+    compensate_from_sample_rate(sample_rate_max, &mod_depth, &length_factor);
+
+    late->sample_rate_max = sample_rate_max;
+
+#ifdef INFOS_PRINT // allows message to be printed on the console.
+    printf("length_factor:%f, mod_depth:%f\n", length_factor, mod_depth);
+    /* Print: modal density and total memory bytes */
+    {
+        int i;
+        int total_delay = 0;     /* total delay in samples */
+        for (i = 0; i < NBR_DELAYS; i++)
+        {
+            int length = (length_factor * nom_delay_length[i])
+                         + mod_depth + INTERP_SAMPLES_NBR;
+            total_delay += length;
+        }
+
+        /* modal density and total memory bytes */
+        printf("modal density:%f, total delay:%d, total memory:%d bytes\n",
+                total_delay / sample_rate_max ,total_delay ,
+                total_delay * sizeof(fluid_real_t));
+    }
+#endif
+
+    for(i = 0; i < NBR_DELAYS; i++) /* for each delay line */
+    {
+        int delay_length = nom_delay_length[i] * length_factor;
+        mod_delay_line *mdl = &late->mod_delay_lines[i];
+
+        /*-------------------------------------------------------------------*/
+        /* checks parameter */
+        if(delay_length < 1)
+        {
+            return FLUID_FAILED;
+        }
+
+        /* limits mod_depth to the requested delay length */
+        if(mod_depth >= delay_length)
+        {
+            FLUID_LOG(FLUID_INFO,
+                      "fdn reverb: modulation depth has been limited");
+            mod_depth = delay_length - 1;
+        }
+
+        /*---------------------------------------------------------------------
+         allocates delay lines
+        */
+
+        /* real size of the line in use (in samples):
+        size = INTERP_SAMPLES_NBR + mod_depth + delay_length */
+        mdl->dl.size = delay_length + mod_depth + INTERP_SAMPLES_NBR;
+        mdl->dl.line = FLUID_ARRAY(fluid_real_t, mdl->dl.size);
+
+        if(! mdl->dl.line)
+        {
+            return FLUID_FAILED;
+        }
+    }
+    return FLUID_OK;
+}
+
+/*-----------------------------------------------------------------------------
+ Initialize all modulated lines.
+ @param late, pointer on the fnd late reverb to initialize.
+ @param sample_rate, the audio sample rate.
+ @return FLUID_OK if success, FLUID_FAILED otherwise.
+-----------------------------------------------------------------------------*/
+static void initialize_mod_delay_lines(fluid_late *late, fluid_real_t sample_rate)
+{
+    int i;
+    fluid_real_t mod_depth, length_factor;
+
+    /* update delay line parameter dependent of sample rate */
+    late->samplerate = sample_rate;
+
+    /* compute mod_depth, length factor */
+    compensate_from_sample_rate(sample_rate, &mod_depth, &length_factor);
+
+    for(i = 0; i < NBR_DELAYS; i++) /* for each delay line */
+    {
+        mod_delay_line *mdl = &late->mod_delay_lines[i];
+        int delay_length = nom_delay_length[i] * length_factor;
+
+        /* limits mod_depth to the requested delay length */
+        if(mod_depth >= delay_length)
+        {
+            mod_depth = delay_length - 1;
+        }
+
+        mdl->mod_depth = mod_depth;
+
+        clear_delay_line(&mdl->dl); /* clears the buffer */
+
+        /* Initializes line_in to the start of the buffer */
+        mdl->dl.line_in = 0;
+
+        /* Initializes line_out index INTERP_SAMPLES_NBR samples after
+           line_in so that the delay between line_out and line_in is:
+           mod_depth + delay_length
+        */
+        mdl->dl.line_out = mdl->dl.line_in + INTERP_SAMPLES_NBR;
+
+        /* Damping low pass filter ------------------------------------------*/
+        mdl->dl.damping.buffer = 0;
+
+        /*---------------------------------------------------------------------
+         Initializes modulation members:
+         - modulated center position: center_pos_mod
+         - modulation rate (the speed at which center_pos_mod is modulated: mod_rate
+         - index rate to know when to update center_pos_mod:index_rate
+         - interpolator member: buffer, frac_pos_mod
+        ---------------------------------------------------------------------*/
+        /* Initializes the modulated center position (center_pos_mod) so that:
+           - the delay between line_out and center_pos_mod is mod_depth.
+           - the delay between center_pos_mod and line_in is delay_length.
+        */
+        mdl->center_pos_mod = (fluid_real_t) INTERP_SAMPLES_NBR + mod_depth;
+
+        /* Sets the modulation rate. This rate defines how often
+           the  center position (center_pos_mod ) is modulated .
+           The value is expressed in samples. The default value is 1 that means that
+           center_pos_mod is updated at every sample.
+           For example with a value of 2, the center position position will be
+           updated only one time every 2 samples only.
+        */
+        if(MOD_RATE < 1 || MOD_RATE > mdl->dl.size)
+        {
+            FLUID_LOG(FLUID_INFO, "fdn reverb: modulation rate is out of range");
+            mdl->mod_rate = 1; /* default modulation rate: every one sample */
+        }
+        else
+        {
+            mdl->mod_rate = MOD_RATE;
+        }
+
+        /* index rate to control when to update center_pos_mod.
+           Important: must be set to get center_pos_mod immediately used for
+           the reading of first sample (see get_mod_delay())
+        */
+        mdl->index_rate = mdl->mod_rate;
+
+        /* initializes first order All-Pass interpolator members */
+        mdl->buffer = 0;       /* previous delay sample value */
+        mdl->frac_pos_mod = 0; /* frac. position (between consecutives sample) */
+
+
+        /* Sets local Modulators parameters: frequency and phase.
+           Each modulateur are shifted of MOD_PHASE degree
+        */
+        set_mod_frequency(&mdl->mod,
+                          MOD_FREQ * MOD_RATE,
+                          sample_rate,
+                          (float)(MOD_PHASE * i));
+    }
+}
+
+/*
+ Clears the delay lines.
+
+ @param rev pointer on the reverb.
+*/
+static void
+fluid_revmodel_init(fluid_revmodel_t *rev)
+{
+    int i;
+
+    /* clears all the delay lines */
+    for(i = 0; i < NBR_DELAYS; i ++)
+    {
+        clear_delay_line(&rev->late.mod_delay_lines[i].dl);
+    }
+}
+
+
+/*
+ updates internal parameters.
+
+ @param rev pointer on the reverb.
+*/
+static void
+fluid_revmodel_update(fluid_revmodel_t *rev)
+{
+    /* Recalculate internal values after parameters change */
+
+    /* The stereo amplitude equation (wet1 and wet2 below) have a
+    tendency to produce high amplitude with high width values ( 1 < width < 100).
+    This results in an unwanted noisy output clipped by the audio card.
+    To avoid this dependency, we divide by (1 + rev->width * SCALE_WET_WIDTH)
+    Actually, with a SCALE_WET_WIDTH of 0.2, (regardless of level setting),
+    the output amplitude (wet) seems rather independent of width setting */
+    fluid_real_t wet = (rev->level * SCALE_WET) /
+                       (1.0f + rev->width * SCALE_WET_WIDTH);
+
+    /* wet1 and wet2 are used by the stereo effect controlled by the width setting
+    for producing a stereo ouptput from a monophonic reverb signal.
+    Please see the note above about a side effect tendency */
+
+    rev->wet1 = wet * (rev->width / 2.0f + 0.5f);
+    rev->wet2 = wet * ((1.0f - rev->width) / 2.0f);
+
+    /* integrates wet1 in stereo coefficient (this will save one multiply) */
+    update_stereo_coefficient(&rev->late, rev->wet1);
+
+    if(rev->wet1 > 0.0f)
+    {
+        rev->wet2 /= rev->wet1;
+    }
+
+    /* Reverberation time and damping */
+    update_rev_time_damping(&rev->late, rev->roomsize, rev->damp);
+}
+
+/*----------------------------------------------------------------------------
+                            Reverb API
+-----------------------------------------------------------------------------*/
+/*
+* Creates a reverb. Once created the reverb have no parameters set, so
+* fluid_revmodel_set() must be called at least one time after calling
+* new_fluid_revmodel().
+*
+* @param sample_rate_max maximum sample rate expected in Hz.
+*
+* @param sample_rate actual sample rate needed in Hz.
+* @return pointer on the new reverb or NULL if memory error.
+* Reverb API.
+*/
+fluid_revmodel_t *
+new_fluid_revmodel(fluid_real_t sample_rate_max, fluid_real_t sample_rate)
+{
+    fluid_revmodel_t *rev;
+
+    if(sample_rate <= 0)
+    {
+        return NULL;
+    }
+
+    rev = FLUID_NEW(fluid_revmodel_t);
+
+    if(rev == NULL)
+    {
+        return NULL;
+    }
+
+    FLUID_MEMSET(&rev->late, 0,  sizeof(fluid_late));
+
+    /*--------------------------------------------------------------------------
+      Create fdn late reverb.
+    */
+
+    /* update minimum value for sample_rate_max */
+    if(sample_rate > sample_rate_max)
+    {
+        sample_rate_max = sample_rate;
+    }
+
+    /*--------------------------------------------------------------------------
+      Allocate the modulated delay lines
+    */
+    if(create_mod_delay_lines(&rev->late, sample_rate_max) == FLUID_FAILED)
+    {
+        delete_fluid_revmodel(rev);
+        return NULL;
+    }
+
+    /*--------------------------------------------------------------------------
+      Initialize the fdn reverb
+    */
+    /* Initialize all modulated lines. */
+    initialize_mod_delay_lines(&rev->late, sample_rate);
+
+    return rev;
+}
+
+/*
+* free the reverb.
+* Note that while the reverb is used by calling any fluid_revmodel_processXXX()
+* function, calling delete_fluid_revmodel() isn't multi task safe because
+* delay line are freed. To deal properly with this issue follow the steps:
+*
+* 1) Stop reverb processing (i.e disable calling of any fluid_revmodel_processXXX().
+*    reverb functions.
+* 2) Delete the reverb by calling delete_fluid_revmodel().
+*
+* @param rev pointer on reverb to free.
+* Reverb API.
+*/
+void
+delete_fluid_revmodel(fluid_revmodel_t *rev)
+{
+    fluid_return_if_fail(rev != NULL);
+    delete_fluid_rev_late(&rev->late);
+    FLUID_FREE(rev);
+}
+
+/*
+* Sets one or more reverb parameters. Note this must be called at least one
+* time after calling new_fluid_revmodel() and before any call to
+* fluid_revmodel_processXXX() and fluid_revmodel_samplerate_change().
+*
+* Note that while the reverb is used by calling any fluid_revmodel_processXXX()
+* function, calling fluid_revmodel_set() could produce audible clics.
+* If this is a problem, optionally call fluid_revmodel_reset() before calling
+* fluid_revmodel_set().
+*
+* @param rev Reverb instance.
+* @param set One or more flags from #fluid_revmodel_set_t indicating what
+*   parameters to set (#FLUID_REVMODEL_SET_ALL to set all parameters).
+* @param roomsize Reverb room size.
+* @param damping Reverb damping.
+* @param width Reverb width.
+* @param level Reverb level.
+*
+* Reverb API.
+*/
+void
+fluid_revmodel_set(fluid_revmodel_t *rev, int set, fluid_real_t roomsize,
+                   fluid_real_t damping, fluid_real_t width, fluid_real_t level)
+{
+    fluid_return_if_fail(rev != NULL);
+
+    /*-----------------------------------*/
+    if(set & FLUID_REVMODEL_SET_ROOMSIZE)
+    {
+        fluid_clip(roomsize, 0.0f, 1.0f);
+        rev->roomsize = roomsize;
+    }
+
+    /*-----------------------------------*/
+    if(set & FLUID_REVMODEL_SET_DAMPING)
+    {
+        fluid_clip(damping, 0.0f, 1.0f);
+        rev->damp = damping;
+    }
+
+    /*-----------------------------------*/
+    if(set & FLUID_REVMODEL_SET_WIDTH)
+    {
+        rev->width = width;
+    }
+
+    /*-----------------------------------*/
+    if(set & FLUID_REVMODEL_SET_LEVEL)
+    {
+        fluid_clip(level, 0.0f, 1.0f);
+        rev->level = level;
+    }
+
+    /* updates internal parameters */
+    fluid_revmodel_update(rev);
+}
+
+/*
+* Applies a sample rate change on the reverb.
+* fluid_revmodel_set() must be called at least one time before calling
+* this function.
+*
+* Note that while the reverb is used by calling any fluid_revmodel_processXXX()
+* function, calling fluid_revmodel_samplerate_change() isn't multi task safe.
+* To deal properly with this issue follow the steps:
+* 1) Stop reverb processing (i.e disable calling of any fluid_revmodel_processXXX().
+*    reverb functions.
+*    Optionally, call fluid_revmodel_reset() to damp the reverb.
+* 2) Change sample rate by calling fluid_revmodel_samplerate_change().
+* 3) Restart reverb processing (i.e enabling calling of any fluid_revmodel_processXXX()
+*    reverb functions.
+*
+* Another solution is to substitute step (2):
+* 2.1) delete the reverb by calling delete_fluid_revmodel().
+* 2.2) create the reverb by calling new_fluid_revmodel().
+*
+* The best solution would be that this function be called only by the same task
+* calling fluid_revmodel_processXXX().
+*
+* @param rev the reverb.
+* @param sample_rate new sample rate value. Must be <= sample_rate_max
+* @return FLUID_OK if success, FLUID_FAILED if new sample rate is greater
+*  then the maximumum sample rate set at creation time. The reverb will
+*  continue to work but with possible lost of quality.
+*  If this is a problem, the caller should follow steps 2.1 and 2.2.
+* Reverb API.
+*/
+int
+fluid_revmodel_samplerate_change(fluid_revmodel_t *rev, fluid_real_t sample_rate)
+{
+    int status = FLUID_OK;
+
+    fluid_return_val_if_fail(rev != NULL, FLUID_FAILED);
+
+    if(sample_rate > rev->late.sample_rate_max)
+    {
+        FLUID_LOG(FLUID_WARN,
+                  "fdn reverb: sample rate %.0f Hz is deduced to %.0f Hz\n",
+                   sample_rate, rev->late.sample_rate_max);
+
+        /* Reduce sample rate to the maximum value set at creation time.
+           The reverb will continue to work with possible lost of quality.
+        */
+        sample_rate = rev->late.sample_rate_max;
+        status = FLUID_FAILED;
+    }
+
+    /* Initialize all modulated lines according to sample rate change. */
+    initialize_mod_delay_lines(&rev->late, sample_rate);
+
+    /* updates damping filter coefficients according to sample rate change */
+    update_rev_time_damping(&rev->late, rev->roomsize, rev->damp);
+
+    return status;
+}
+
+/*
+* Damps the reverb by clearing the delay lines.
+* @param rev the reverb.
+*
+* Reverb API.
+*/
+void
+fluid_revmodel_reset(fluid_revmodel_t *rev)
+{
+    fluid_return_if_fail(rev != NULL);
+
+    fluid_revmodel_init(rev);
+}
+
+/*-----------------------------------------------------------------------------
+* fdn reverb process replace.
+* @param rev pointer on reverb.
+* @param in monophonic buffer input (FLUID_BUFSIZE sample).
+* @param left_out stereo left processed output (FLUID_BUFSIZE sample).
+* @param right_out stereo right processed output (FLUID_BUFSIZE sample).
+*
+* The processed reverb is replacing anything there in out.
+* Reverb API.
+-----------------------------------------------------------------------------*/
+void
+fluid_revmodel_processreplace(fluid_revmodel_t *rev, const fluid_real_t *in,
+                              fluid_real_t *left_out, fluid_real_t *right_out)
+{
+    int i, k;
+
+    fluid_real_t xn;                   /* mono input x(n) */
+    fluid_real_t out_tone_filter;      /* tone corrector output */
+    fluid_real_t out_left, out_right;  /* output stereo Left  and Right  */
+    fluid_real_t matrix_factor;        /* partial matrix computation */
+    fluid_real_t delay_out_s;          /* sample */
+    fluid_real_t delay_out[NBR_DELAYS]; /* Line output + damper output */
+
+    for(k = 0; k < FLUID_BUFSIZE; k++)
+    {
+        /* stereo output */
+        out_left = out_right = 0;
+
+#ifdef DENORMALISING
+        /* Input is adjusted by DC_OFFSET. */
+        xn = (in[k]) * FIXED_GAIN + DC_OFFSET;
+#else
+        xn = (in[k]) * FIXED_GAIN;
+#endif
+
+        /*--------------------------------------------------------------------
+         tone correction.
+        */
+        out_tone_filter = xn * rev->late.b1 - rev->late.b2 * rev->late.tone_buffer;
+        rev->late.tone_buffer = xn;
+        xn = out_tone_filter;
+        /*--------------------------------------------------------------------
+         process  feedback delayed network:
+          - xn is the input signal.
+          - before inserting in the line input we first we get the delay lines
+            output, filter them and compute output in delay_out[].
+          - also matrix_factor is computed (to simplify further matrix product)
+        ---------------------------------------------------------------------*/
+        /* We begin with the modulated output delay line + damping filter */
+        matrix_factor = 0;
+
+        for(i = 0; i < NBR_DELAYS; i++)
+        {
+            mod_delay_line *mdl = &rev->late.mod_delay_lines[i];
+            /* get current modulated output */
+            delay_out_s = get_mod_delay(mdl);
+
+            /* process low pass damping filter
+              (input:delay_out_s, output:delay_out_s) */
+            process_damping_filter(delay_out_s, delay_out_s, mdl);
+
+            /* Result in delay_out[], and matrix_factor.
+               These will be of use later during input line process */
+            delay_out[i] = delay_out_s;   /* result in delay_out[] */
+            matrix_factor += delay_out_s; /* result in matrix_factor */
+
+            /* Process stereo output */
+            /* stereo left = left + out_left_gain * delay_out */
+            out_left += rev->late.out_left_gain[i] * delay_out_s;
+            /* stereo right= right+ out_right_gain * delay_out */
+            out_right += rev->late.out_right_gain[i] * delay_out_s;
+        }
+
+        /* now we process the input delay line.Each input is a combination of
+           - xn: input signal
+           - delay_out[] the output of a delay line given by a permutation matrix P
+           - and matrix_factor.
+          This computes: in_delay_line = xn + (delay_out[] * matrix A) with
+          an algorithm equivalent but faster than using a product with matrix A.
+        */
+        /* matrix_factor = output sum * (-2.0)/N  */
+        matrix_factor *= FDN_MATRIX_FACTOR;
+        matrix_factor += xn; /* adds reverb input signal */
+
+        for(i = 1; i < NBR_DELAYS; i++)
+        {
+            /* delay_in[i-1] = delay_out[i] + matrix_factor */
+            delay_line *dl = &rev->late.mod_delay_lines[i - 1].dl;
+            push_in_delay_line(dl, delay_out[i] + matrix_factor);
+        }
+
+        /* last line input (NB_DELAY-1) */
+        /* delay_in[0] = delay_out[NB_DELAY -1] + matrix_factor */
+        {
+            delay_line *dl = &rev->late.mod_delay_lines[NBR_DELAYS - 1].dl;
+            push_in_delay_line(dl, delay_out[0] + matrix_factor);
+        }
+
+        /*-------------------------------------------------------------------*/
+#ifdef DENORMALISING
+        /* Removes the DC offset */
+        out_left -= DC_OFFSET;
+        out_right -= DC_OFFSET;
+#endif
+
+        /* Calculates stereo output REPLACING anything already there: */
+        /*
+            left_out[k]  = out_left * rev->wet1 + out_right * rev->wet2;
+            right_out[k] = out_right * rev->wet1 + out_left * rev->wet2;
+
+            As wet1 is integrated in stereo coefficient wet 1 is now
+            integrated in out_left and out_right, so we simplify previous
+            relation by suppression of one multiply as this:
+
+            left_out[k]  = out_left  + out_right * rev->wet2;
+            right_out[k] = out_right + out_left * rev->wet2;
+        */
+        left_out[k]  = out_left  + out_right * rev->wet2;
+        right_out[k] = out_right + out_left * rev->wet2;
+    }
+}
+
+
+/*-----------------------------------------------------------------------------
+* fdn reverb process mix.
+* @param rev pointer on reverb.
+* @param in monophonic buffer input (FLUID_BUFSIZE samples).
+* @param left_out stereo left processed output (FLUID_BUFSIZE samples).
+* @param right_out stereo right processed output (FLUID_BUFSIZE samples).
+*
+* The processed reverb is mixed in out with samples already there in out.
+* Reverb API.
+-----------------------------------------------------------------------------*/
+void fluid_revmodel_processmix(fluid_revmodel_t *rev, const fluid_real_t *in,
+                               fluid_real_t *left_out, fluid_real_t *right_out)
+{
+    int i, k;
+
+    fluid_real_t xn;                   /* mono input x(n) */
+    fluid_real_t out_tone_filter;      /* tone corrector output */
+    fluid_real_t out_left, out_right;  /* output stereo Left  and Right  */
+    fluid_real_t matrix_factor;        /* partial matrix term */
+    fluid_real_t delay_out_s;          /* sample */
+    fluid_real_t delay_out[NBR_DELAYS]; /* Line output + damper output */
+
+    for(k = 0; k < FLUID_BUFSIZE; k++)
+    {
+        /* stereo output */
+        out_left = out_right = 0;
+#ifdef DENORMALISING
+        /* Input is adjusted by DC_OFFSET. */
+        xn = (in[k]) * FIXED_GAIN + DC_OFFSET;
+#else
+        xn = (in[k]) * FIXED_GAIN;
+#endif
+
+        /*--------------------------------------------------------------------
+         tone correction
+        */
+        out_tone_filter = xn * rev->late.b1 - rev->late.b2 * rev->late.tone_buffer;
+        rev->late.tone_buffer = xn;
+        xn = out_tone_filter;
+        /*--------------------------------------------------------------------
+         process feedback delayed network:
+          - xn is the input signal.
+          - before inserting in the line input we first we get the delay lines
+            output, filter them and compute output in local delay_out[].
+          - also matrix_factor is computed (to simplify further matrix product).
+        ---------------------------------------------------------------------*/
+        /* We begin with the modulated output delay line + damping filter */
+        matrix_factor = 0;
+
+        for(i = 0; i < NBR_DELAYS; i++)
+        {
+            mod_delay_line *mdl = &rev->late.mod_delay_lines[i];
+            /* get current modulated output */
+            delay_out_s = get_mod_delay(mdl);
+
+            /* process low pass damping filter
+              (input:delay_out_s, output:delay_out_s) */
+            process_damping_filter(delay_out_s, delay_out_s, mdl);
+
+            /* Result in delay_out[], and matrix_factor.
+               These will be of use later during input line process */
+            delay_out[i] = delay_out_s;   /* result in delay_out[] */
+            matrix_factor += delay_out_s; /* result in matrix_factor */
+
+            /* Process stereo output */
+            /* stereo left = left + out_left_gain * delay_out */
+            out_left += rev->late.out_left_gain[i] * delay_out_s;
+            /* stereo right= right+ out_right_gain * delay_out */
+            out_right += rev->late.out_right_gain[i] * delay_out_s;
+        }
+
+        /* now we process the input delay line. Each input is a combination of:
+           - xn: input signal
+           - delay_out[] the output of a delay line given by a permutation matrix P
+           - and matrix_factor.
+          This computes: in_delay_line = xn + (delay_out[] * matrix A) with
+          an algorithm equivalent but faster than using a product with matrix A.
+        */
+        /* matrix_factor = output sum * (-2.0)/N  */
+        matrix_factor *= FDN_MATRIX_FACTOR;
+        matrix_factor += xn; /* adds reverb input signal */
+
+        for(i = 1; i < NBR_DELAYS; i++)
+        {
+            /* delay_in[i-1] = delay_out[i] + matrix_factor */
+            delay_line *dl = &rev->late.mod_delay_lines[i - 1].dl;
+            push_in_delay_line(dl, delay_out[i] + matrix_factor);
+        }
+
+        /* last line input (NB_DELAY-1) */
+        /* delay_in[0] = delay_out[NB_DELAY -1] + matrix_factor */
+        {
+            delay_line *dl = &rev->late.mod_delay_lines[NBR_DELAYS - 1].dl;
+            push_in_delay_line(dl, delay_out[0] + matrix_factor);
+        }
+
+        /*-------------------------------------------------------------------*/
+#ifdef DENORMALISING
+        /* Removes the DC offset */
+        out_left -= DC_OFFSET;
+        out_right -= DC_OFFSET;
+#endif
+        /* Calculates stereo output MIXING anything already there: */
+        /*
+            left_out[k]  += out_left * rev->wet1 + out_right * rev->wet2;
+            right_out[k] += out_right * rev->wet1 + out_left * rev->wet2;
+
+            As wet1 is integrated in stereo coefficient wet 1 is now
+            integrated in out_left and out_right, so we simplify previous
+            relation by suppression of one multiply as this:
+
+            left_out[k]  += out_left  + out_right * rev->wet2;
+            right_out[k] += out_right + out_left * rev->wet2;
+        */
+        left_out[k]  += out_left  + out_right * rev->wet2;
+        right_out[k] += out_right + out_left * rev->wet2;
+    }
+}
diff --git a/libs/fluidsynth/src/rvoice/fluid_rev.h b/libs/fluidsynth/src/rvoice/fluid_rev.h
new file mode 100644
index 00000000000..35c9cf664f8
--- /dev/null
+++ b/libs/fluidsynth/src/rvoice/fluid_rev.h
@@ -0,0 +1,91 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+
+#ifndef _FLUID_REV_H
+#define _FLUID_REV_H
+
+#include "fluidsynth_priv.h"
+
+typedef struct _fluid_revmodel_t fluid_revmodel_t;
+
+/* enum describing each reverb parameter */
+enum fluid_reverb_param
+{
+    FLUID_REVERB_ROOMSIZE,  /**< reverb time */
+    FLUID_REVERB_DAMP,      /**< high frequency damping */
+    FLUID_REVERB_WIDTH,     /**< stereo width */
+    FLUID_REVERB_LEVEL,     /**< output level */
+    FLUID_REVERB_PARAM_LAST /* number of enum fluid_reverb_param */
+};
+
+/* return a bit flag from param: 2^param */
+#define FLUID_REVPARAM_TO_SETFLAG(param) (1 << param)
+
+/** Flags for fluid_revmodel_set() */
+typedef enum
+{
+    FLUID_REVMODEL_SET_ROOMSIZE       = FLUID_REVPARAM_TO_SETFLAG(FLUID_REVERB_ROOMSIZE),
+    FLUID_REVMODEL_SET_DAMPING        = FLUID_REVPARAM_TO_SETFLAG(FLUID_REVERB_DAMP),
+    FLUID_REVMODEL_SET_WIDTH          = FLUID_REVPARAM_TO_SETFLAG(FLUID_REVERB_WIDTH),
+    FLUID_REVMODEL_SET_LEVEL          = FLUID_REVPARAM_TO_SETFLAG(FLUID_REVERB_LEVEL),
+
+    /** Value for fluid_revmodel_set() which sets all reverb parameters. */
+    FLUID_REVMODEL_SET_ALL            =   FLUID_REVMODEL_SET_LEVEL
+                                          | FLUID_REVMODEL_SET_WIDTH
+                                          | FLUID_REVMODEL_SET_DAMPING
+                                          | FLUID_REVMODEL_SET_ROOMSIZE,
+} fluid_revmodel_set_t;
+
+/*
+ * reverb preset
+ */
+typedef struct _fluid_revmodel_presets_t
+{
+    const char *name;
+    fluid_real_t roomsize;
+    fluid_real_t damp;
+    fluid_real_t width;
+    fluid_real_t level;
+} fluid_revmodel_presets_t;
+
+
+/*
+ * reverb
+ */
+fluid_revmodel_t *
+new_fluid_revmodel(fluid_real_t sample_rate_max, fluid_real_t sample_rate);
+
+void delete_fluid_revmodel(fluid_revmodel_t *rev);
+
+void fluid_revmodel_processmix(fluid_revmodel_t *rev, const fluid_real_t *in,
+                               fluid_real_t *left_out, fluid_real_t *right_out);
+
+void fluid_revmodel_processreplace(fluid_revmodel_t *rev, const fluid_real_t *in,
+                                   fluid_real_t *left_out, fluid_real_t *right_out);
+
+void fluid_revmodel_reset(fluid_revmodel_t *rev);
+
+void fluid_revmodel_set(fluid_revmodel_t *rev, int set, fluid_real_t roomsize,
+                        fluid_real_t damping, fluid_real_t width, fluid_real_t level);
+
+int fluid_revmodel_samplerate_change(fluid_revmodel_t *rev, fluid_real_t sample_rate);
+
+#endif /* _FLUID_REV_H */
diff --git a/libs/fluidsynth/src/rvoice/fluid_rvoice.c b/libs/fluidsynth/src/rvoice/fluid_rvoice.c
new file mode 100644
index 00000000000..403a5558795
--- /dev/null
+++ b/libs/fluidsynth/src/rvoice/fluid_rvoice.c
@@ -0,0 +1,937 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#include "fluid_rvoice.h"
+#include "fluid_conv.h"
+#include "fluid_sys.h"
+
+
+static void fluid_rvoice_noteoff_LOCAL(fluid_rvoice_t *voice, unsigned int min_ticks);
+
+/**
+ * @return -1 if voice is quiet, 0 if voice has finished, 1 otherwise
+ */
+static FLUID_INLINE int
+fluid_rvoice_calc_amp(fluid_rvoice_t *voice)
+{
+    fluid_real_t target_amp;	/* target amplitude */
+
+    if(fluid_adsr_env_get_section(&voice->envlfo.volenv) == FLUID_VOICE_ENVDELAY)
+    {
+        return -1;    /* The volume amplitude is in hold phase. No sound is produced. */
+    }
+
+    if(fluid_adsr_env_get_section(&voice->envlfo.volenv) == FLUID_VOICE_ENVATTACK)
+    {
+        /* the envelope is in the attack section: ramp linearly to max value.
+         * A positive modlfo_to_vol should increase volume (negative attenuation).
+         */
+        target_amp = fluid_cb2amp(voice->dsp.attenuation)
+                     * fluid_cb2amp(fluid_lfo_get_val(&voice->envlfo.modlfo) * -voice->envlfo.modlfo_to_vol)
+                     * fluid_adsr_env_get_val(&voice->envlfo.volenv);
+    }
+    else
+    {
+        fluid_real_t amplitude_that_reaches_noise_floor;
+        fluid_real_t amp_max;
+
+        target_amp = fluid_cb2amp(voice->dsp.attenuation)
+                     * fluid_cb2amp(FLUID_PEAK_ATTENUATION * (1.0f - fluid_adsr_env_get_val(&voice->envlfo.volenv))
+                                    + fluid_lfo_get_val(&voice->envlfo.modlfo) * -voice->envlfo.modlfo_to_vol);
+
+        /* We turn off a voice, if the volume has dropped low enough. */
+
+        /* A voice can be turned off, when an estimate for the volume
+         * (upper bound) falls below that volume, that will drop the
+         * sample below the noise floor.
+         */
+
+        /* If the loop amplitude is known, we can use it if the voice loop is within
+         * the sample loop
+         */
+
+        /* Is the playing pointer already in the loop? */
+        if(voice->dsp.has_looped)
+        {
+            amplitude_that_reaches_noise_floor = voice->dsp.amplitude_that_reaches_noise_floor_loop;
+        }
+        else
+        {
+            amplitude_that_reaches_noise_floor = voice->dsp.amplitude_that_reaches_noise_floor_nonloop;
+        }
+
+        /* voice->attenuation_min is a lower boundary for the attenuation
+         * now and in the future (possibly 0 in the worst case).  Now the
+         * amplitude of sample and volenv cannot exceed amp_max (since
+         * volenv_val can only drop):
+         */
+
+        amp_max = fluid_cb2amp(voice->dsp.min_attenuation_cB) *
+                  fluid_adsr_env_get_val(&voice->envlfo.volenv);
+
+        /* And if amp_max is already smaller than the known amplitude,
+         * which will attenuate the sample below the noise floor, then we
+         * can safely turn off the voice. Duh. */
+        if(amp_max < amplitude_that_reaches_noise_floor)
+        {
+            return 0;
+        }
+    }
+
+    /* Volume increment to go from voice->amp to target_amp in FLUID_BUFSIZE steps */
+    voice->dsp.amp_incr = (target_amp - voice->dsp.amp) / FLUID_BUFSIZE;
+
+    fluid_check_fpe("voice_write amplitude calculation");
+
+    /* no volume and not changing? - No need to process */
+    if((voice->dsp.amp == 0.0f) && (voice->dsp.amp_incr == 0.0f))
+    {
+        return -1;
+    }
+
+    return 1;
+}
+
+
+/* these should be the absolute minimum that FluidSynth can deal with */
+#define FLUID_MIN_LOOP_SIZE 2
+#define FLUID_MIN_LOOP_PAD 0
+
+#define FLUID_SAMPLESANITY_CHECK (1 << 0)
+#define FLUID_SAMPLESANITY_STARTUP (1 << 1)
+
+/* Purpose:
+ *
+ * Make sure, that sample start / end point and loop points are in
+ * proper order. When starting up, calculate the initial phase.
+ * TODO: Investigate whether this can be moved from rvoice to voice.
+ */
+static void
+fluid_rvoice_check_sample_sanity(fluid_rvoice_t *voice)
+{
+    int min_index_nonloop = (int) voice->dsp.sample->start;
+    int max_index_nonloop = (int) voice->dsp.sample->end;
+
+    /* make sure we have enough samples surrounding the loop */
+    int min_index_loop = (int) voice->dsp.sample->start + FLUID_MIN_LOOP_PAD;
+    int max_index_loop = (int) voice->dsp.sample->end - FLUID_MIN_LOOP_PAD + 1;	/* 'end' is last valid sample, loopend can be + 1 */
+    fluid_check_fpe("voice_check_sample_sanity start");
+
+#if 0
+    printf("Sample from %i to %i\n", voice->dsp.sample->start, voice->dsp.sample->end);
+    printf("Sample loop from %i %i\n", voice->dsp.sample->loopstart, voice->dsp.sample->loopend);
+    printf("Playback from %i to %i\n", voice->dsp.start, voice->dsp.end);
+    printf("Playback loop from %i to %i\n", voice->dsp.loopstart, voice->dsp.loopend);
+#endif
+
+    /* Keep the start point within the sample data */
+    if(voice->dsp.start < min_index_nonloop)
+    {
+        voice->dsp.start = min_index_nonloop;
+    }
+    else if(voice->dsp.start > max_index_nonloop)
+    {
+        voice->dsp.start = max_index_nonloop;
+    }
+
+    /* Keep the end point within the sample data */
+    if(voice->dsp.end < min_index_nonloop)
+    {
+        voice->dsp.end = min_index_nonloop;
+    }
+    else if(voice->dsp.end > max_index_nonloop)
+    {
+        voice->dsp.end = max_index_nonloop;
+    }
+
+    /* Keep start and end point in the right order */
+    if(voice->dsp.start > voice->dsp.end)
+    {
+        int temp = voice->dsp.start;
+        voice->dsp.start = voice->dsp.end;
+        voice->dsp.end = temp;
+        /*FLUID_LOG(FLUID_DBG, "Loop / sample sanity check: Changing order of start / end points!"); */
+    }
+
+    /* Zero length? */
+    if(voice->dsp.start == voice->dsp.end)
+    {
+        fluid_rvoice_voiceoff(voice, NULL);
+        return;
+    }
+
+    if((voice->dsp.samplemode == FLUID_LOOP_UNTIL_RELEASE)
+            || (voice->dsp.samplemode == FLUID_LOOP_DURING_RELEASE))
+    {
+        /* Keep the loop start point within the sample data */
+        if(voice->dsp.loopstart < min_index_loop)
+        {
+            voice->dsp.loopstart = min_index_loop;
+        }
+        else if(voice->dsp.loopstart > max_index_loop)
+        {
+            voice->dsp.loopstart = max_index_loop;
+        }
+
+        /* Keep the loop end point within the sample data */
+        if(voice->dsp.loopend < min_index_loop)
+        {
+            voice->dsp.loopend = min_index_loop;
+        }
+        else if(voice->dsp.loopend > max_index_loop)
+        {
+            voice->dsp.loopend = max_index_loop;
+        }
+
+        /* Keep loop start and end point in the right order */
+        if(voice->dsp.loopstart > voice->dsp.loopend)
+        {
+            int temp = voice->dsp.loopstart;
+            voice->dsp.loopstart = voice->dsp.loopend;
+            voice->dsp.loopend = temp;
+            /*FLUID_LOG(FLUID_DBG, "Loop / sample sanity check: Changing order of loop points!"); */
+        }
+
+        /* Loop too short? Then don't loop. */
+        if(voice->dsp.loopend < voice->dsp.loopstart + FLUID_MIN_LOOP_SIZE)
+        {
+            voice->dsp.samplemode = FLUID_UNLOOPED;
+        }
+
+        /* The loop points may have changed. Obtain a new estimate for the loop volume. */
+        /* Is the voice loop within the sample loop? */
+        if((int)voice->dsp.loopstart >= (int)voice->dsp.sample->loopstart
+                && (int)voice->dsp.loopend <= (int)voice->dsp.sample->loopend)
+        {
+            /* Is there a valid peak amplitude available for the loop, and can we use it? */
+            if(voice->dsp.sample->amplitude_that_reaches_noise_floor_is_valid && voice->dsp.samplemode == FLUID_LOOP_DURING_RELEASE)
+            {
+                voice->dsp.amplitude_that_reaches_noise_floor_loop = voice->dsp.sample->amplitude_that_reaches_noise_floor / voice->dsp.synth_gain;
+            }
+            else
+            {
+                /* Worst case */
+                voice->dsp.amplitude_that_reaches_noise_floor_loop = voice->dsp.amplitude_that_reaches_noise_floor_nonloop;
+            };
+        };
+
+    } /* if sample mode is looped */
+
+    /* Run startup specific code (only once, when the voice is started) */
+    if(voice->dsp.check_sample_sanity_flag & FLUID_SAMPLESANITY_STARTUP)
+    {
+        if(max_index_loop - min_index_loop < FLUID_MIN_LOOP_SIZE)
+        {
+            if((voice->dsp.samplemode == FLUID_LOOP_UNTIL_RELEASE)
+                    || (voice->dsp.samplemode == FLUID_LOOP_DURING_RELEASE))
+            {
+                voice->dsp.samplemode = FLUID_UNLOOPED;
+            }
+        }
+
+        /* Set the initial phase of the voice (using the result from the
+        start offset modulators). */
+        fluid_phase_set_int(voice->dsp.phase, voice->dsp.start);
+    } /* if startup */
+
+    /* Is this voice run in loop mode, or does it run straight to the
+       end of the waveform data? */
+    if(((voice->dsp.samplemode == FLUID_LOOP_UNTIL_RELEASE) &&
+            (fluid_adsr_env_get_section(&voice->envlfo.volenv) < FLUID_VOICE_ENVRELEASE))
+            || (voice->dsp.samplemode == FLUID_LOOP_DURING_RELEASE))
+    {
+        /* Yes, it will loop as soon as it reaches the loop point.  In
+         * this case we must prevent, that the playback pointer (phase)
+         * happens to end up beyond the 2nd loop point, because the
+         * point has moved.  The DSP algorithm is unable to cope with
+         * that situation.  So if the phase is beyond the 2nd loop
+         * point, set it to the start of the loop. No way to avoid some
+         * noise here.  Note: If the sample pointer ends up -before the
+         * first loop point- instead, then the DSP loop will just play
+         * the sample, enter the loop and proceed as expected => no
+         * actions required.
+         */
+        int index_in_sample = fluid_phase_index(voice->dsp.phase);
+
+        if(index_in_sample >= voice->dsp.loopend)
+        {
+            /* FLUID_LOG(FLUID_DBG, "Loop / sample sanity check: Phase after 2nd loop point!"); */
+            fluid_phase_set_int(voice->dsp.phase, voice->dsp.loopstart);
+        }
+    }
+
+    /*    FLUID_LOG(FLUID_DBG, "Loop / sample sanity check: Sample from %i to %i, loop from %i to %i", voice->dsp.start, voice->dsp.end, voice->dsp.loopstart, voice->dsp.loopend); */
+
+    /* Sample sanity has been assured. Don't check again, until some
+       sample parameter is changed by modulation. */
+    voice->dsp.check_sample_sanity_flag = 0;
+#if 0
+    printf("Sane? playback loop from %i to %i\n", voice->dsp.loopstart, voice->dsp.loopend);
+#endif
+    fluid_check_fpe("voice_check_sample_sanity");
+}
+
+
+/**
+ * Synthesize a voice to a buffer.
+ *
+ * @param voice rvoice to synthesize
+ * @param dsp_buf Audio buffer to synthesize to (#FLUID_BUFSIZE in length)
+ * @return Count of samples written to dsp_buf. (-1 means voice is currently
+ * quiet, 0 .. #FLUID_BUFSIZE-1 means voice finished.)
+ *
+ * Panning, reverb and chorus are processed separately. The dsp interpolation
+ * routine is in (fluid_rvoice_dsp.c).
+ */
+int
+fluid_rvoice_write(fluid_rvoice_t *voice, fluid_real_t *dsp_buf)
+{
+    int ticks = voice->envlfo.ticks;
+    int count, is_looping;
+    fluid_real_t modenv_val;
+
+    /******************* sample sanity check **********/
+
+    if(!voice->dsp.sample)
+    {
+        return 0;
+    }
+
+    if(voice->dsp.check_sample_sanity_flag)
+    {
+        fluid_rvoice_check_sample_sanity(voice);
+    }
+
+    /******************* noteoff check ****************/
+
+    if(voice->envlfo.noteoff_ticks != 0 &&
+            voice->envlfo.ticks >= voice->envlfo.noteoff_ticks)
+    {
+        fluid_rvoice_noteoff_LOCAL(voice, 0);
+    }
+
+    voice->envlfo.ticks += FLUID_BUFSIZE;
+
+    /******************* vol env **********************/
+
+    fluid_adsr_env_calc(&voice->envlfo.volenv);
+    fluid_check_fpe("voice_write vol env");
+
+    if(fluid_adsr_env_get_section(&voice->envlfo.volenv) == FLUID_VOICE_ENVFINISHED)
+    {
+        return 0;
+    }
+
+    /******************* mod env **********************/
+
+    fluid_adsr_env_calc(&voice->envlfo.modenv);
+    fluid_check_fpe("voice_write mod env");
+
+    /******************* lfo **********************/
+
+    fluid_lfo_calc(&voice->envlfo.modlfo, ticks);
+    fluid_check_fpe("voice_write mod LFO");
+    fluid_lfo_calc(&voice->envlfo.viblfo, ticks);
+    fluid_check_fpe("voice_write vib LFO");
+
+    /******************* amplitude **********************/
+
+    count = fluid_rvoice_calc_amp(voice);
+
+    if(count <= 0)
+    {
+        return count; /* return -1 if voice is quiet, 0 if voice has finished */
+    }
+
+    /******************* phase **********************/
+
+    /* SF2.04 section 8.1.2 #26:
+     * attack of modEnv is convex ?!?
+     */
+    modenv_val = (fluid_adsr_env_get_section(&voice->envlfo.modenv) == FLUID_VOICE_ENVATTACK)
+                 ? fluid_convex(127 * fluid_adsr_env_get_val(&voice->envlfo.modenv))
+                 : fluid_adsr_env_get_val(&voice->envlfo.modenv);
+    /* Calculate the number of samples, that the DSP loop advances
+     * through the original waveform with each step in the output
+     * buffer. It is the ratio between the frequencies of original
+     * waveform and output waveform.*/
+    voice->dsp.phase_incr = fluid_ct2hz_real(voice->dsp.pitch +
+                            voice->dsp.pitchoffset +
+                            fluid_lfo_get_val(&voice->envlfo.modlfo) * voice->envlfo.modlfo_to_pitch
+                            + fluid_lfo_get_val(&voice->envlfo.viblfo) * voice->envlfo.viblfo_to_pitch
+                            + modenv_val * voice->envlfo.modenv_to_pitch)
+                            / voice->dsp.root_pitch_hz;
+
+    /******************* portamento ****************/
+    /* pitchoffset is updated if enabled.
+       Pitchoffset will be added to dsp pitch at next phase calculation time */
+
+    /* In most cases portamento will be disabled. Thus first verify that portamento is
+     * enabled before updating pitchoffset and before disabling portamento when necessary,
+     * in order to keep the performance loss at minimum.
+     * If the algorithm would first update pitchoffset and then verify if portamento
+     * needs to be disabled, there would be a significant performance drop on a x87 FPU
+     */
+    if(voice->dsp.pitchinc > 0.0f)
+    {
+        /* portamento is enabled, so update pitchoffset */
+        voice->dsp.pitchoffset += voice->dsp.pitchinc;
+
+        /* when pitchoffset reaches 0.0f, portamento is disabled */
+        if(voice->dsp.pitchoffset > 0.0f)
+        {
+            voice->dsp.pitchoffset = voice->dsp.pitchinc = 0.0f;
+        }
+    }
+    else if(voice->dsp.pitchinc < 0.0f)
+    {
+        /* portamento is enabled, so update pitchoffset */
+        voice->dsp.pitchoffset += voice->dsp.pitchinc;
+
+        /* when pitchoffset reaches 0.0f, portamento is disabled */
+        if(voice->dsp.pitchoffset < 0.0f)
+        {
+            voice->dsp.pitchoffset = voice->dsp.pitchinc = 0.0f;
+        }
+    }
+
+    fluid_check_fpe("voice_write phase calculation");
+
+    /* if phase_incr is not advancing, set it to the minimum fraction value (prevent stuckage) */
+    if(voice->dsp.phase_incr == 0)
+    {
+        voice->dsp.phase_incr = 1;
+    }
+
+    /* voice is currently looping? */
+    is_looping = voice->dsp.samplemode == FLUID_LOOP_DURING_RELEASE
+                 || (voice->dsp.samplemode == FLUID_LOOP_UNTIL_RELEASE
+                     && fluid_adsr_env_get_section(&voice->envlfo.volenv) < FLUID_VOICE_ENVRELEASE);
+
+    /*********************** run the dsp chain ************************
+     * The sample is mixed with the output buffer.
+     * The buffer has to be filled from 0 to FLUID_BUFSIZE-1.
+     * Depending on the position in the loop and the loop size, this
+     * may require several runs. */
+
+    switch(voice->dsp.interp_method)
+    {
+    case FLUID_INTERP_NONE:
+        count = fluid_rvoice_dsp_interpolate_none(&voice->dsp, dsp_buf, is_looping);
+        break;
+
+    case FLUID_INTERP_LINEAR:
+        count = fluid_rvoice_dsp_interpolate_linear(&voice->dsp, dsp_buf, is_looping);
+        break;
+
+    case FLUID_INTERP_4THORDER:
+    default:
+        count = fluid_rvoice_dsp_interpolate_4th_order(&voice->dsp, dsp_buf, is_looping);
+        break;
+
+    case FLUID_INTERP_7THORDER:
+        count = fluid_rvoice_dsp_interpolate_7th_order(&voice->dsp, dsp_buf, is_looping);
+        break;
+    }
+
+    fluid_check_fpe("voice_write interpolation");
+
+    if(count == 0)
+    {
+        return count;
+    }
+
+    /*************** resonant filter ******************/
+
+    fluid_iir_filter_calc(&voice->resonant_filter, voice->dsp.output_rate,
+                          fluid_lfo_get_val(&voice->envlfo.modlfo) * voice->envlfo.modlfo_to_fc +
+                          modenv_val * voice->envlfo.modenv_to_fc);
+
+    fluid_iir_filter_apply(&voice->resonant_filter, dsp_buf, count);
+
+    /* additional custom filter - only uses the fixed modulator, no lfos... */
+    fluid_iir_filter_calc(&voice->resonant_custom_filter, voice->dsp.output_rate, 0);
+    fluid_iir_filter_apply(&voice->resonant_custom_filter, dsp_buf, count);
+
+    return count;
+}
+
+/**
+ * Initialize buffers up to (and including) bufnum
+ */
+static int
+fluid_rvoice_buffers_check_bufnum(fluid_rvoice_buffers_t *buffers, unsigned int bufnum)
+{
+    unsigned int i;
+
+    if(bufnum < buffers->count)
+    {
+        return FLUID_OK;
+    }
+
+    if(bufnum >= FLUID_RVOICE_MAX_BUFS)
+    {
+        return FLUID_FAILED;
+    }
+
+    for(i = buffers->count; i <= bufnum; i++)
+    {
+        buffers->bufs[i].target_amp = 0.0f;
+        buffers->bufs[i].current_amp = 0.0f;
+    }
+
+    buffers->count = bufnum + 1;
+    return FLUID_OK;
+}
+
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_buffers_set_amp)
+{
+    fluid_rvoice_buffers_t *buffers = obj;
+    unsigned int bufnum = param[0].i;
+    fluid_real_t value = param[1].real;
+
+    if(fluid_rvoice_buffers_check_bufnum(buffers, bufnum) != FLUID_OK)
+    {
+        return;
+    }
+
+    buffers->bufs[bufnum].target_amp = value;
+}
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_buffers_set_mapping)
+{
+    fluid_rvoice_buffers_t *buffers = obj;
+    unsigned int bufnum = param[0].i;
+    int mapping = param[1].i;
+
+    if(fluid_rvoice_buffers_check_bufnum(buffers, bufnum) != FLUID_OK)
+    {
+        return;
+    }
+
+    buffers->bufs[bufnum].mapping = mapping;
+}
+
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_reset)
+{
+    fluid_rvoice_t *voice = obj;
+
+    voice->dsp.has_looped = 0;
+    voice->envlfo.ticks = 0;
+    voice->envlfo.noteoff_ticks = 0;
+    voice->dsp.amp = 0.0f; /* The last value of the volume envelope, used to
+                            calculate the volume increment during
+                            processing */
+
+    /* legato initialization */
+    voice->dsp.pitchoffset = 0.0;   /* portamento initialization */
+    voice->dsp.pitchinc = 0.0;
+
+    /* mod env initialization*/
+    fluid_adsr_env_reset(&voice->envlfo.modenv);
+
+    /* vol env initialization */
+    fluid_adsr_env_reset(&voice->envlfo.volenv);
+
+    /* Fixme: Retrieve from any other existing
+       voice on this channel to keep LFOs in
+       unison? */
+    fluid_lfo_reset(&voice->envlfo.viblfo);
+    fluid_lfo_reset(&voice->envlfo.modlfo);
+
+    /* Clear sample history in filter */
+    fluid_iir_filter_reset(&voice->resonant_filter);
+    fluid_iir_filter_reset(&voice->resonant_custom_filter);
+
+    /* Force setting of the phase at the first DSP loop run
+     * This cannot be done earlier, because it depends on modulators.
+       [DH] Is that comment really true? */
+    voice->dsp.check_sample_sanity_flag |= FLUID_SAMPLESANITY_STARTUP;
+}
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_noteoff)
+{
+    fluid_rvoice_t *rvoice = obj;
+    unsigned int min_ticks = param[0].i;
+
+    fluid_rvoice_noteoff_LOCAL(rvoice, min_ticks);
+}
+
+static void
+fluid_rvoice_noteoff_LOCAL(fluid_rvoice_t *voice, unsigned int min_ticks)
+{
+    if(min_ticks > voice->envlfo.ticks)
+    {
+        /* Delay noteoff */
+        voice->envlfo.noteoff_ticks = min_ticks;
+        return;
+    }
+
+    voice->envlfo.noteoff_ticks = 0;
+
+    if(fluid_adsr_env_get_section(&voice->envlfo.volenv) == FLUID_VOICE_ENVATTACK)
+    {
+        /* A voice is turned off during the attack section of the volume
+         * envelope.  The attack section ramps up linearly with
+         * amplitude. The other sections use logarithmic scaling. Calculate new
+         * volenv_val to achieve equivalent amplitude during the release phase
+         * for seamless volume transition.
+         */
+        if(fluid_adsr_env_get_val(&voice->envlfo.volenv) > 0)
+        {
+            fluid_real_t lfo = fluid_lfo_get_val(&voice->envlfo.modlfo) * -voice->envlfo.modlfo_to_vol;
+            fluid_real_t amp = fluid_adsr_env_get_val(&voice->envlfo.volenv) * fluid_cb2amp(lfo);
+            fluid_real_t env_value = - (((-200.f / FLUID_M_LN10) * FLUID_LOGF(amp) - lfo) / FLUID_PEAK_ATTENUATION - 1);
+            fluid_clip(env_value, 0.0f, 1.0f);
+            fluid_adsr_env_set_val(&voice->envlfo.volenv, env_value);
+        }
+    }
+
+	if(fluid_adsr_env_get_section(&voice->envlfo.modenv) == FLUID_VOICE_ENVATTACK)
+    {
+        /* A voice is turned off during the attack section of the modulation
+         * envelope. The attack section use convex scaling with pitch and filter
+		 * frequency cutoff (see fluid_rvoice_write(): modenv_val = fluid_convex(127 * modenv.val)
+		 * The other sections use linear scaling: modenv_val = modenv.val
+		 * 
+		 * Calculate new modenv.val to achieve equivalent modenv_val during the release phase
+         * for seamless pitch and filter frequency cutoff transition.
+         */
+        if(fluid_adsr_env_get_val(&voice->envlfo.modenv) > 0)
+        {
+            fluid_real_t env_value = fluid_convex(127 * fluid_adsr_env_get_val(&voice->envlfo.modenv));
+            fluid_clip(env_value, 0.0, 1.0);
+            fluid_adsr_env_set_val(&voice->envlfo.modenv, env_value);
+        }
+    }
+
+    fluid_adsr_env_set_section(&voice->envlfo.volenv, FLUID_VOICE_ENVRELEASE);
+    fluid_adsr_env_set_section(&voice->envlfo.modenv, FLUID_VOICE_ENVRELEASE);
+}
+
+/**
+ * skips to Attack section
+ *
+ * Updates vol and attack data
+ * Correction on volume val to achieve equivalent amplitude at noteOn legato
+ *
+ * @param voice the synthesis voice to be updated
+*/
+static FLUID_INLINE void fluid_rvoice_local_retrigger_attack(fluid_rvoice_t *voice)
+{
+    /* skips to Attack section */
+    /* Once in Attack section, current count must be reset, to be sure
+    that the section will be not be prematurely finished. */
+    fluid_adsr_env_set_section(&voice->envlfo.volenv, FLUID_VOICE_ENVATTACK);
+    {
+        /* Correction on volume val to achieve equivalent amplitude at noteOn legato */
+        fluid_env_data_t *env_data;
+        fluid_real_t peak = fluid_cb2amp(voice->dsp.attenuation);
+        fluid_real_t prev_peak = fluid_cb2amp(voice->dsp.prev_attenuation);
+        voice->envlfo.volenv.val = (voice->envlfo.volenv.val  * prev_peak) / peak;
+        /* Correction on slope direction for Attack section */
+        env_data = &voice->envlfo.volenv.data[FLUID_VOICE_ENVATTACK];
+
+        if(voice->envlfo.volenv.val <= 1.0f)
+        {
+            /* slope attack for legato note needs to be positive from val  up to 1 */
+            env_data->increment = 1.0f / env_data->count;
+            env_data->min = -1.0f;
+            env_data->max =  1.0f;
+        }
+        else
+        {
+            /* slope attack for legato note needs to be negative: from val  down to 1 */
+            env_data->increment = -voice->envlfo.volenv.val / env_data->count;
+            env_data->min = 1.0f;
+            env_data->max = voice->envlfo.volenv.val;
+        }
+    }
+}
+
+/**
+ * Used by legato Mode : multi_retrigger
+ *  see fluid_synth_noteon_mono_legato_multi_retrigger()
+ * @param voice the synthesis voice to be updated
+*/
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_multi_retrigger_attack)
+{
+    fluid_rvoice_t *voice = obj;
+    int section; /* volume or modulation section */
+
+    /*-------------------------------------------------------------------------
+     Section skip for volume envelope
+    --------------------------------------------------------------------------*/
+    section = fluid_adsr_env_get_section(&voice->envlfo.volenv);
+    if(section >= FLUID_VOICE_ENVHOLD)
+    {
+        /* DECAY, SUSTAIN,RELEASE section use logarithmic scaling. Calculates new
+        volenv_val to achieve equivalent amplitude during the attack phase
+        for seamless volume transition. */
+        fluid_real_t amp_cb, env_value;
+        amp_cb = FLUID_PEAK_ATTENUATION *
+                 (1.0f - fluid_adsr_env_get_val(&voice->envlfo.volenv));
+        env_value = fluid_cb2amp(amp_cb); /* a bit of optimization */
+        fluid_clip(env_value, 0.0, 1.0);
+        fluid_adsr_env_set_val(&voice->envlfo.volenv, env_value);
+        /* next, skips to Attack section */
+    }
+
+    /* skips to Attack section from any section */
+    /* Update vol and  attack data */
+    fluid_rvoice_local_retrigger_attack(voice);
+    
+    /*-------------------------------------------------------------------------
+     Section skip for modulation envelope
+    --------------------------------------------------------------------------*/
+    section = fluid_adsr_env_get_section(&voice->envlfo.modenv);
+    if(section >= FLUID_VOICE_ENVHOLD)
+    {
+        /* DECAY, SUSTAIN,RELEASE section use linear scaling. 
+        Since v 2.1 , as recommended by soundfont 2.01/2.4 spec, ATTACK section
+        uses convex shape (see fluid_rvoice_write() - fluid_convex()).
+        Calculate new modenv value (new_value) for seamless attack transition.
+        Here we need the inverse of fluid_convex() function defined as:
+        new_value = pow(10, (1 - current_val) . FLUID_PEAK_ATTENUATION / -200 . 2.0)
+        For performance reason we use fluid_cb2amp(Val) = pow(10, val/-200) with
+        val = (1 - current_val) . FLUID_PEAK_ATTENUATION / 2.0 
+        */
+        fluid_real_t new_value; /* new modenv value */
+        new_value = fluid_cb2amp((1.0f - fluid_adsr_env_get_val(&voice->envlfo.modenv))
+                                  * FLUID_PEAK_ATTENUATION / 2.0);
+        fluid_clip(new_value, 0.0, 1.0);
+        fluid_adsr_env_set_val(&voice->envlfo.modenv, new_value);
+    }
+    /* Skips from any section to ATTACK section */
+    fluid_adsr_env_set_section(&voice->envlfo.modenv, FLUID_VOICE_ENVATTACK);
+}
+
+/**
+ * sets the portamento dsp parameters: dsp.pitchoffset, dsp.pitchinc
+ * @param voice rvoice to set portamento.
+ * @param countinc increment count number.
+ * @param pitchoffset pitch offset to apply to voice dsp.pitch.
+ *
+ * Notes:
+ * 1) To get continuous portamento between consecutive noteOn (n1,n2,n3...),
+ *   pitchoffset is accumulated in current dsp pitchoffset.
+ * 2) And to get constant portamento duration, dsp pitch increment is updated.
+*/
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_portamento)
+{
+    fluid_rvoice_t *voice = obj;
+    unsigned int countinc = param[0].i;
+    fluid_real_t pitchoffset = param[1].real;
+
+    if(countinc)
+    {
+        voice->dsp.pitchoffset += pitchoffset;
+        voice->dsp.pitchinc = - voice->dsp.pitchoffset / countinc;
+    }
+
+    /* Then during the voice processing (in fluid_rvoice_write()),
+    dsp.pitchoffset will be incremented by dsp pitchinc. */
+}
+
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_output_rate)
+{
+    fluid_rvoice_t *voice = obj;
+    fluid_real_t value = param[0].real;
+
+    voice->dsp.output_rate = value;
+}
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_interp_method)
+{
+    fluid_rvoice_t *voice = obj;
+    int value = param[0].i;
+
+    voice->dsp.interp_method = value;
+}
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_root_pitch_hz)
+{
+    fluid_rvoice_t *voice = obj;
+    fluid_real_t value = param[0].real;
+
+    voice->dsp.root_pitch_hz = value;
+}
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_pitch)
+{
+    fluid_rvoice_t *voice = obj;
+    fluid_real_t value = param[0].real;
+
+    voice->dsp.pitch = value;
+}
+
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_attenuation)
+{
+    fluid_rvoice_t *voice = obj;
+    fluid_real_t value = param[0].real;
+
+    voice->dsp.prev_attenuation = voice->dsp.attenuation;
+    voice->dsp.attenuation = value;
+}
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_min_attenuation_cB)
+{
+    fluid_rvoice_t *voice = obj;
+    fluid_real_t value = param[0].real;
+
+    voice->dsp.min_attenuation_cB = value;
+}
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_viblfo_to_pitch)
+{
+    fluid_rvoice_t *voice = obj;
+    fluid_real_t value = param[0].real;
+
+    voice->envlfo.viblfo_to_pitch = value;
+}
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_modlfo_to_pitch)
+{
+    fluid_rvoice_t *voice = obj;
+    fluid_real_t value = param[0].real;
+
+    voice->envlfo.modlfo_to_pitch = value;
+}
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_modlfo_to_vol)
+{
+    fluid_rvoice_t *voice = obj;
+    fluid_real_t value = param[0].real;
+
+    voice->envlfo.modlfo_to_vol = value;
+}
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_modlfo_to_fc)
+{
+    fluid_rvoice_t *voice = obj;
+    fluid_real_t value = param[0].real;
+
+    voice->envlfo.modlfo_to_fc = value;
+}
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_modenv_to_fc)
+{
+    fluid_rvoice_t *voice = obj;
+    fluid_real_t value = param[0].real;
+
+    voice->envlfo.modenv_to_fc = value;
+}
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_modenv_to_pitch)
+{
+    fluid_rvoice_t *voice = obj;
+    fluid_real_t value = param[0].real;
+
+    voice->envlfo.modenv_to_pitch = value;
+}
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_synth_gain)
+{
+    fluid_rvoice_t *voice = obj;
+    fluid_real_t value = param[0].real;
+
+    voice->dsp.synth_gain = value;
+
+    /* For a looped sample, this value will be overwritten as soon as the
+     * loop parameters are initialized (they may depend on modulators).
+     * This value can be kept, it is a worst-case estimate.
+     */
+    voice->dsp.amplitude_that_reaches_noise_floor_nonloop = FLUID_NOISE_FLOOR / value;
+    voice->dsp.amplitude_that_reaches_noise_floor_loop = FLUID_NOISE_FLOOR / value;
+    voice->dsp.check_sample_sanity_flag |= FLUID_SAMPLESANITY_CHECK;
+}
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_start)
+{
+    fluid_rvoice_t *voice = obj;
+    int value = param[0].i;
+
+    voice->dsp.start = value;
+    voice->dsp.check_sample_sanity_flag |= FLUID_SAMPLESANITY_CHECK;
+}
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_end)
+{
+    fluid_rvoice_t *voice = obj;
+    int value = param[0].i;
+
+    voice->dsp.end = value;
+    voice->dsp.check_sample_sanity_flag |= FLUID_SAMPLESANITY_CHECK;
+}
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_loopstart)
+{
+    fluid_rvoice_t *voice = obj;
+    int value = param[0].i;
+
+    voice->dsp.loopstart = value;
+    voice->dsp.check_sample_sanity_flag |= FLUID_SAMPLESANITY_CHECK;
+}
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_loopend)
+{
+    fluid_rvoice_t *voice = obj;
+    int value = param[0].i;
+
+    voice->dsp.loopend = value;
+    voice->dsp.check_sample_sanity_flag |= FLUID_SAMPLESANITY_CHECK;
+}
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_samplemode)
+{
+    fluid_rvoice_t *voice = obj;
+    enum fluid_loop value = param[0].i;
+
+    voice->dsp.samplemode = value;
+    voice->dsp.check_sample_sanity_flag |= FLUID_SAMPLESANITY_CHECK;
+}
+
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_sample)
+{
+    fluid_rvoice_t *voice = obj;
+    fluid_sample_t *value = param[0].ptr;
+
+    voice->dsp.sample = value;
+
+    if(value)
+    {
+        voice->dsp.check_sample_sanity_flag |= FLUID_SAMPLESANITY_STARTUP;
+    }
+}
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_voiceoff)
+{
+    fluid_rvoice_t *voice = obj;
+
+    fluid_adsr_env_set_section(&voice->envlfo.volenv, FLUID_VOICE_ENVFINISHED);
+    fluid_adsr_env_set_section(&voice->envlfo.modenv, FLUID_VOICE_ENVFINISHED);
+}
+
+
diff --git a/libs/fluidsynth/src/rvoice/fluid_rvoice.h b/libs/fluidsynth/src/rvoice/fluid_rvoice.h
new file mode 100644
index 00000000000..610afd72529
--- /dev/null
+++ b/libs/fluidsynth/src/rvoice/fluid_rvoice.h
@@ -0,0 +1,231 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+
+#ifndef _FLUID_RVOICE_H
+#define _FLUID_RVOICE_H
+
+#include "fluidsynth_priv.h"
+#include "fluid_iir_filter.h"
+#include "fluid_adsr_env.h"
+#include "fluid_lfo.h"
+#include "fluid_phase.h"
+#include "fluid_sfont.h"
+
+typedef struct _fluid_rvoice_envlfo_t fluid_rvoice_envlfo_t;
+typedef struct _fluid_rvoice_dsp_t fluid_rvoice_dsp_t;
+typedef struct _fluid_rvoice_buffers_t fluid_rvoice_buffers_t;
+typedef struct _fluid_rvoice_t fluid_rvoice_t;
+
+/* Smallest amplitude that can be perceived (full scale is +/- 0.5)
+ * 16 bits => 96+4=100 dB dynamic range => 0.00001
+ * 24 bits => 144-4 = 140 dB dynamic range => 1.e-7
+ * 1.e-7 * 2 == 2.e-7 :)
+ */
+#define FLUID_NOISE_FLOOR ((fluid_real_t)2.e-7)
+
+enum fluid_loop
+{
+    FLUID_UNLOOPED = 0,
+    FLUID_LOOP_DURING_RELEASE = 1,
+    FLUID_NOTUSED = 2,
+    FLUID_LOOP_UNTIL_RELEASE = 3
+};
+
+/*
+ * rvoice ticks-based parameters
+ * These parameters must be updated even if the voice is currently quiet.
+ */
+struct _fluid_rvoice_envlfo_t
+{
+    /* Note-off minimum length */
+    unsigned int ticks;
+    unsigned int noteoff_ticks;
+
+    /* vol env */
+    fluid_adsr_env_t volenv;
+
+    /* mod env */
+    fluid_adsr_env_t modenv;
+    fluid_real_t modenv_to_fc;
+    fluid_real_t modenv_to_pitch;
+
+    /* mod lfo */
+    fluid_lfo_t modlfo;
+    fluid_real_t modlfo_to_fc;
+    fluid_real_t modlfo_to_pitch;
+    fluid_real_t modlfo_to_vol;
+
+    /* vib lfo */
+    fluid_lfo_t viblfo;
+    fluid_real_t viblfo_to_pitch;
+};
+
+/*
+ * rvoice parameters needed for dsp interpolation
+ */
+struct _fluid_rvoice_dsp_t
+{
+    /* interpolation method, as in fluid_interp in fluidsynth.h */
+    enum fluid_interp interp_method;
+    enum fluid_loop samplemode;
+
+    /* Flag that is set as soon as the first loop is completed. */
+    char has_looped;
+
+    /* Flag that initiates, that sample-related parameters have to be checked. */
+    char check_sample_sanity_flag;
+
+    fluid_sample_t *sample;
+
+    /* sample and loop start and end points (offset in sample memory).  */
+    int start;
+    int end;
+    int loopstart;
+    int loopend;	/* Note: first point following the loop (superimposed on loopstart) */
+
+    /* Stuff needed for portamento calculations */
+    fluid_real_t pitchoffset;        /* the portamento range in midicents */
+    fluid_real_t pitchinc;           /* the portamento increment in midicents */
+
+    /* Stuff needed for phase calculations */
+
+    fluid_real_t pitch;              /* the pitch in midicents */
+    fluid_real_t root_pitch_hz;
+    fluid_real_t output_rate;
+
+    /* Stuff needed for amplitude calculations */
+
+    fluid_real_t attenuation;        /* the attenuation in centibels */
+    fluid_real_t prev_attenuation;   /* the previous attenuation in centibels
+					used by fluid_rvoice_multi_retrigger_attack() */
+    fluid_real_t min_attenuation_cB; /* Estimate on the smallest possible attenuation
+					  * during the lifetime of the voice */
+    fluid_real_t amplitude_that_reaches_noise_floor_nonloop;
+    fluid_real_t amplitude_that_reaches_noise_floor_loop;
+    fluid_real_t synth_gain; 	/* master gain */
+
+    /* Dynamic input to the interpolator below */
+
+    fluid_real_t amp;                /* current linear amplitude */
+    fluid_real_t amp_incr;		/* amplitude increment value for the next FLUID_BUFSIZE samples */
+
+    fluid_phase_t phase;             /* the phase (current sample offset) of the sample wave */
+    fluid_real_t phase_incr;	/* the phase increment for the next FLUID_BUFSIZE samples */
+};
+
+/* Currently left, right, reverb, chorus. To be changed if we
+   ever add surround positioning, or stereo reverb/chorus */
+#define FLUID_RVOICE_MAX_BUFS (4)
+
+/*
+ * rvoice mixer-related parameters
+ */
+struct _fluid_rvoice_buffers_t
+{
+    unsigned int count; /* Number of records in "bufs" */
+    struct
+    {
+        /* the actual, linearly interpolated amplitude with which the dsp sample should be mixed into the buf */
+        fluid_real_t current_amp;
+
+        /* the desired amplitude [...] mixed into the buf (directly set by e.g. rapidly changing PAN events) */
+        fluid_real_t target_amp;
+
+        /* Mapping to mixdown buffer index */
+        int mapping;
+    } bufs[FLUID_RVOICE_MAX_BUFS];
+};
+
+
+/*
+ * Hard real-time parameters needed to synthesize a voice
+ */
+struct _fluid_rvoice_t
+{
+    fluid_rvoice_envlfo_t envlfo;
+    fluid_rvoice_dsp_t dsp;
+    fluid_iir_filter_t resonant_filter; /* IIR resonant dsp filter */
+    fluid_iir_filter_t resonant_custom_filter; /* optional custom/general-purpose IIR resonant filter */
+    fluid_rvoice_buffers_t buffers;
+};
+
+
+int fluid_rvoice_write(fluid_rvoice_t *voice, fluid_real_t *dsp_buf);
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_buffers_set_amp);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_buffers_set_mapping);
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_noteoff);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_voiceoff);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_reset);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_multi_retrigger_attack);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_portamento);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_output_rate);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_interp_method);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_root_pitch_hz);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_pitch);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_attenuation);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_min_attenuation_cB);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_viblfo_to_pitch);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_modlfo_to_pitch);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_modlfo_to_vol);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_modlfo_to_fc);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_modenv_to_fc);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_modenv_to_pitch);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_synth_gain);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_start);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_end);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_loopstart);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_loopend);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_samplemode);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_set_sample);
+
+/* defined in fluid_rvoice_dsp.c */
+void fluid_rvoice_dsp_config(void);
+int fluid_rvoice_dsp_interpolate_none(fluid_rvoice_dsp_t *voice, fluid_real_t *FLUID_RESTRICT dsp_buf, int is_looping);
+int fluid_rvoice_dsp_interpolate_linear(fluid_rvoice_dsp_t *voice, fluid_real_t *FLUID_RESTRICT dsp_buf, int is_looping);
+int fluid_rvoice_dsp_interpolate_4th_order(fluid_rvoice_dsp_t *voice, fluid_real_t *FLUID_RESTRICT dsp_buf, int is_looping);
+int fluid_rvoice_dsp_interpolate_7th_order(fluid_rvoice_dsp_t *voice, fluid_real_t *FLUID_RESTRICT dsp_buf, int is_looping);
+
+
+/*
+ * Combines the most significant 16 bit part of a sample with a potentially present
+ * least sig. 8 bit part in order to create a 24 bit sample.
+ */
+static FLUID_INLINE int32_t
+fluid_rvoice_get_sample(const short int *dsp_msb, const char *dsp_lsb, unsigned int idx)
+{
+    /* cast sample to unsigned type, so we can safely shift and bitwise or
+     * without relying on undefined behaviour (should never happen anyway ofc...) */
+    uint32_t msb = (uint32_t)dsp_msb[idx];
+    uint8_t lsb = 0U;
+
+    /* most soundfonts have 16 bit samples, assume that it's unlikely we
+     * experience 24 bit samples here */
+    if(FLUID_UNLIKELY(dsp_lsb != NULL))
+    {
+        lsb = (uint8_t)dsp_lsb[idx];
+    }
+
+    return (int32_t)((msb << 8) | lsb);
+}
+
+#endif
diff --git a/libs/fluidsynth/src/rvoice/fluid_rvoice_dsp.c b/libs/fluidsynth/src/rvoice/fluid_rvoice_dsp.c
new file mode 100644
index 00000000000..b43a0f19077
--- /dev/null
+++ b/libs/fluidsynth/src/rvoice/fluid_rvoice_dsp.c
@@ -0,0 +1,636 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#include "fluid_sys.h"
+#include "fluid_phase.h"
+#include "fluid_rvoice.h"
+#include "fluid_rvoice_dsp_tables.inc.h"
+
+/* Purpose:
+ *
+ * Interpolates audio data (obtains values between the samples of the original
+ * waveform data).
+ *
+ * Variables loaded from the voice structure (assigned in fluid_rvoice_write()):
+ * - dsp_data: Pointer to the original waveform data
+ * - dsp_phase: The position in the original waveform data.
+ *              This has an integer and a fractional part (between samples).
+ * - dsp_phase_incr: For each output sample, the position in the original
+ *              waveform advances by dsp_phase_incr. This also has an integer
+ *              part and a fractional part.
+ *              If a sample is played at root pitch (no pitch change),
+ *              dsp_phase_incr is integer=1 and fractional=0.
+ * - dsp_amp: The current amplitude envelope value.
+ * - dsp_amp_incr: The changing rate of the amplitude envelope.
+ *
+ * A couple of variables are used internally, their results are discarded:
+ * - dsp_i: Index through the output buffer
+ * - dsp_buf: Output buffer of floating point values (FLUID_BUFSIZE in length)
+ */
+
+/* Interpolation (find a value between two samples of the original waveform) */
+
+static FLUID_INLINE fluid_real_t
+fluid_rvoice_get_float_sample(const short int *dsp_msb, const char *dsp_lsb, unsigned int idx)
+{
+    int32_t sample = fluid_rvoice_get_sample(dsp_msb, dsp_lsb, idx);
+    return (fluid_real_t)sample;
+}
+
+/* No interpolation. Just take the sample, which is closest to
+  * the playback pointer.  Questionable quality, but very
+  * efficient. */
+int
+fluid_rvoice_dsp_interpolate_none(fluid_rvoice_dsp_t *voice, fluid_real_t *FLUID_RESTRICT dsp_buf, int looping)
+{
+    fluid_phase_t dsp_phase = voice->phase;
+    fluid_phase_t dsp_phase_incr;
+    short int *dsp_data = voice->sample->data;
+    char *dsp_data24 = voice->sample->data24;
+    fluid_real_t dsp_amp = voice->amp;
+    fluid_real_t dsp_amp_incr = voice->amp_incr;
+    unsigned int dsp_i = 0;
+    unsigned int dsp_phase_index;
+    unsigned int end_index;
+
+    /* Convert playback "speed" floating point value to phase index/fract */
+    fluid_phase_set_float(dsp_phase_incr, voice->phase_incr);
+
+    end_index = looping ? voice->loopend - 1 : voice->end;
+
+    while(1)
+    {
+        dsp_phase_index = fluid_phase_index_round(dsp_phase);	/* round to nearest point */
+
+        /* interpolate sequence of sample points */
+        for(; dsp_i < FLUID_BUFSIZE && dsp_phase_index <= end_index; dsp_i++)
+        {
+            dsp_buf[dsp_i] = dsp_amp * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index);
+
+            /* increment phase and amplitude */
+            fluid_phase_incr(dsp_phase, dsp_phase_incr);
+            dsp_phase_index = fluid_phase_index_round(dsp_phase);	/* round to nearest point */
+            dsp_amp += dsp_amp_incr;
+        }
+
+        /* break out if not looping (buffer may not be full) */
+        if(!looping)
+        {
+            break;
+        }
+
+        /* go back to loop start */
+        if(dsp_phase_index > end_index)
+        {
+            fluid_phase_sub_int(dsp_phase, voice->loopend - voice->loopstart);
+            voice->has_looped = 1;
+        }
+
+        /* break out if filled buffer */
+        if(dsp_i >= FLUID_BUFSIZE)
+        {
+            break;
+        }
+    }
+
+    voice->phase = dsp_phase;
+    voice->amp = dsp_amp;
+
+    return (dsp_i);
+}
+
+/* Straight line interpolation.
+ * Returns number of samples processed (usually FLUID_BUFSIZE but could be
+ * smaller if end of sample occurs).
+ */
+int
+fluid_rvoice_dsp_interpolate_linear(fluid_rvoice_dsp_t *voice, fluid_real_t *FLUID_RESTRICT dsp_buf, int looping)
+{
+    fluid_phase_t dsp_phase = voice->phase;
+    fluid_phase_t dsp_phase_incr;
+    short int *dsp_data = voice->sample->data;
+    char *dsp_data24 = voice->sample->data24;
+    fluid_real_t dsp_amp = voice->amp;
+    fluid_real_t dsp_amp_incr = voice->amp_incr;
+    unsigned int dsp_i = 0;
+    unsigned int dsp_phase_index;
+    unsigned int end_index;
+    fluid_real_t point;
+    const fluid_real_t *FLUID_RESTRICT coeffs;
+
+    /* Convert playback "speed" floating point value to phase index/fract */
+    fluid_phase_set_float(dsp_phase_incr, voice->phase_incr);
+
+    /* last index before 2nd interpolation point must be specially handled */
+    end_index = (looping ? voice->loopend - 1 : voice->end) - 1;
+
+    /* 2nd interpolation point to use at end of loop or sample */
+    if(looping)
+    {
+        point = fluid_rvoice_get_float_sample(dsp_data, dsp_data24, voice->loopstart);    /* loop start */
+    }
+    else
+    {
+        point = fluid_rvoice_get_float_sample(dsp_data, dsp_data24, voice->end);    /* duplicate end for samples no longer looping */
+    }
+
+    while(1)
+    {
+        dsp_phase_index = fluid_phase_index(dsp_phase);
+
+        /* interpolate the sequence of sample points */
+        for(; dsp_i < FLUID_BUFSIZE && dsp_phase_index <= end_index; dsp_i++)
+        {
+            coeffs = interp_coeff_linear[fluid_phase_fract_to_tablerow(dsp_phase)];
+            dsp_buf[dsp_i] = dsp_amp * (coeffs[0] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index)
+                                        + coeffs[1] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index + 1));
+
+            /* increment phase and amplitude */
+            fluid_phase_incr(dsp_phase, dsp_phase_incr);
+            dsp_phase_index = fluid_phase_index(dsp_phase);
+            dsp_amp += dsp_amp_incr;
+        }
+
+        /* break out if buffer filled */
+        if(dsp_i >= FLUID_BUFSIZE)
+        {
+            break;
+        }
+
+        end_index++;	/* we're now interpolating the last point */
+
+        /* interpolate within last point */
+        for(; dsp_phase_index <= end_index && dsp_i < FLUID_BUFSIZE; dsp_i++)
+        {
+            coeffs = interp_coeff_linear[fluid_phase_fract_to_tablerow(dsp_phase)];
+            dsp_buf[dsp_i] = dsp_amp * (coeffs[0] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index)
+                                        + coeffs[1] * point);
+
+            /* increment phase and amplitude */
+            fluid_phase_incr(dsp_phase, dsp_phase_incr);
+            dsp_phase_index = fluid_phase_index(dsp_phase);
+            dsp_amp += dsp_amp_incr;	/* increment amplitude */
+        }
+
+        if(!looping)
+        {
+            break;    /* break out if not looping (end of sample) */
+        }
+
+        /* go back to loop start (if past */
+        if(dsp_phase_index > end_index)
+        {
+            fluid_phase_sub_int(dsp_phase, voice->loopend - voice->loopstart);
+            voice->has_looped = 1;
+        }
+
+        /* break out if filled buffer */
+        if(dsp_i >= FLUID_BUFSIZE)
+        {
+            break;
+        }
+
+        end_index--;	/* set end back to second to last sample point */
+    }
+
+    voice->phase = dsp_phase;
+    voice->amp = dsp_amp;
+
+    return (dsp_i);
+}
+
+/* 4th order (cubic) interpolation.
+ * Returns number of samples processed (usually FLUID_BUFSIZE but could be
+ * smaller if end of sample occurs).
+ */
+int
+fluid_rvoice_dsp_interpolate_4th_order(fluid_rvoice_dsp_t *voice, fluid_real_t *FLUID_RESTRICT dsp_buf, int looping)
+{
+    fluid_phase_t dsp_phase = voice->phase;
+    fluid_phase_t dsp_phase_incr;
+    short int *dsp_data = voice->sample->data;
+    char *dsp_data24 = voice->sample->data24;
+    fluid_real_t dsp_amp = voice->amp;
+    fluid_real_t dsp_amp_incr = voice->amp_incr;
+    unsigned int dsp_i = 0;
+    unsigned int dsp_phase_index;
+    unsigned int start_index, end_index;
+    fluid_real_t start_point, end_point1, end_point2;
+    const fluid_real_t *FLUID_RESTRICT coeffs;
+
+    /* Convert playback "speed" floating point value to phase index/fract */
+    fluid_phase_set_float(dsp_phase_incr, voice->phase_incr);
+
+    /* last index before 4th interpolation point must be specially handled */
+    end_index = (looping ? voice->loopend - 1 : voice->end) - 2;
+
+    if(voice->has_looped)	/* set start_index and start point if looped or not */
+    {
+        start_index = voice->loopstart;
+        start_point = fluid_rvoice_get_float_sample(dsp_data, dsp_data24, voice->loopend - 1);	/* last point in loop (wrap around) */
+    }
+    else
+    {
+        start_index = voice->start;
+        start_point = fluid_rvoice_get_float_sample(dsp_data, dsp_data24, voice->start);	/* just duplicate the point */
+    }
+
+    /* get points off the end (loop start if looping, duplicate point if end) */
+    if(looping)
+    {
+        end_point1 = fluid_rvoice_get_float_sample(dsp_data, dsp_data24, voice->loopstart);
+        end_point2 = fluid_rvoice_get_float_sample(dsp_data, dsp_data24, voice->loopstart + 1);
+    }
+    else
+    {
+        end_point1 = fluid_rvoice_get_float_sample(dsp_data, dsp_data24, voice->end);
+        end_point2 = end_point1;
+    }
+
+    while(1)
+    {
+        dsp_phase_index = fluid_phase_index(dsp_phase);
+
+        /* interpolate first sample point (start or loop start) if needed */
+        for(; dsp_phase_index == start_index && dsp_i < FLUID_BUFSIZE; dsp_i++)
+        {
+            coeffs = interp_coeff[fluid_phase_fract_to_tablerow(dsp_phase)];
+            dsp_buf[dsp_i] = dsp_amp *
+                             (coeffs[0] * start_point
+                              + coeffs[1] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index)
+                              + coeffs[2] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index + 1)
+                              + coeffs[3] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index + 2));
+
+            /* increment phase and amplitude */
+            fluid_phase_incr(dsp_phase, dsp_phase_incr);
+            dsp_phase_index = fluid_phase_index(dsp_phase);
+            dsp_amp += dsp_amp_incr;
+        }
+
+        /* interpolate the sequence of sample points */
+        for(; dsp_i < FLUID_BUFSIZE && dsp_phase_index <= end_index; dsp_i++)
+        {
+            coeffs = interp_coeff[fluid_phase_fract_to_tablerow(dsp_phase)];
+            dsp_buf[dsp_i] = dsp_amp *
+                             (coeffs[0] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index - 1)
+                              + coeffs[1] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index)
+                              + coeffs[2] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index + 1)
+                              + coeffs[3] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index + 2));
+
+            /* increment phase and amplitude */
+            fluid_phase_incr(dsp_phase, dsp_phase_incr);
+            dsp_phase_index = fluid_phase_index(dsp_phase);
+            dsp_amp += dsp_amp_incr;
+        }
+
+        /* break out if buffer filled */
+        if(dsp_i >= FLUID_BUFSIZE)
+        {
+            break;
+        }
+
+        end_index++;	/* we're now interpolating the 2nd to last point */
+
+        /* interpolate within 2nd to last point */
+        for(; dsp_phase_index <= end_index && dsp_i < FLUID_BUFSIZE; dsp_i++)
+        {
+            coeffs = interp_coeff[fluid_phase_fract_to_tablerow(dsp_phase)];
+            dsp_buf[dsp_i] = dsp_amp *
+                             (coeffs[0] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index - 1)
+                              + coeffs[1] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index)
+                              + coeffs[2] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index + 1)
+                              + coeffs[3] * end_point1);
+
+            /* increment phase and amplitude */
+            fluid_phase_incr(dsp_phase, dsp_phase_incr);
+            dsp_phase_index = fluid_phase_index(dsp_phase);
+            dsp_amp += dsp_amp_incr;
+        }
+
+        end_index++;	/* we're now interpolating the last point */
+
+        /* interpolate within the last point */
+        for(; dsp_phase_index <= end_index && dsp_i < FLUID_BUFSIZE; dsp_i++)
+        {
+            coeffs = interp_coeff[fluid_phase_fract_to_tablerow(dsp_phase)];
+            dsp_buf[dsp_i] = dsp_amp *
+                             (coeffs[0] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index - 1)
+                              + coeffs[1] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index)
+                              + coeffs[2] * end_point1
+                              + coeffs[3] * end_point2);
+
+            /* increment phase and amplitude */
+            fluid_phase_incr(dsp_phase, dsp_phase_incr);
+            dsp_phase_index = fluid_phase_index(dsp_phase);
+            dsp_amp += dsp_amp_incr;
+        }
+
+        if(!looping)
+        {
+            break;    /* break out if not looping (end of sample) */
+        }
+
+        /* go back to loop start */
+        if(dsp_phase_index > end_index)
+        {
+            fluid_phase_sub_int(dsp_phase, voice->loopend - voice->loopstart);
+
+            if(!voice->has_looped)
+            {
+                voice->has_looped = 1;
+                start_index = voice->loopstart;
+                start_point = fluid_rvoice_get_float_sample(dsp_data, dsp_data24, voice->loopend - 1);
+            }
+        }
+
+        /* break out if filled buffer */
+        if(dsp_i >= FLUID_BUFSIZE)
+        {
+            break;
+        }
+
+        end_index -= 2;	/* set end back to third to last sample point */
+    }
+
+    voice->phase = dsp_phase;
+    voice->amp = dsp_amp;
+
+    return (dsp_i);
+}
+
+/* 7th order interpolation.
+ * Returns number of samples processed (usually FLUID_BUFSIZE but could be
+ * smaller if end of sample occurs).
+ */
+int
+fluid_rvoice_dsp_interpolate_7th_order(fluid_rvoice_dsp_t *voice, fluid_real_t *FLUID_RESTRICT dsp_buf, int looping)
+{
+    fluid_phase_t dsp_phase = voice->phase;
+    fluid_phase_t dsp_phase_incr;
+    short int *dsp_data = voice->sample->data;
+    char *dsp_data24 = voice->sample->data24;
+    fluid_real_t dsp_amp = voice->amp;
+    fluid_real_t dsp_amp_incr = voice->amp_incr;
+    unsigned int dsp_i = 0;
+    unsigned int dsp_phase_index;
+    unsigned int start_index, end_index;
+    fluid_real_t start_points[3], end_points[3];
+    const fluid_real_t *FLUID_RESTRICT coeffs;
+
+    /* Convert playback "speed" floating point value to phase index/fract */
+    fluid_phase_set_float(dsp_phase_incr, voice->phase_incr);
+
+    /* add 1/2 sample to dsp_phase since 7th order interpolation is centered on
+     * the 4th sample point */
+    fluid_phase_incr(dsp_phase, (fluid_phase_t)0x80000000);
+
+    /* last index before 7th interpolation point must be specially handled */
+    end_index = (looping ? voice->loopend - 1 : voice->end) - 3;
+
+    if(voice->has_looped)	/* set start_index and start point if looped or not */
+    {
+        start_index = voice->loopstart;
+        start_points[0] = fluid_rvoice_get_float_sample(dsp_data, dsp_data24, voice->loopend - 1);
+        start_points[1] = fluid_rvoice_get_float_sample(dsp_data, dsp_data24, voice->loopend - 2);
+        start_points[2] = fluid_rvoice_get_float_sample(dsp_data, dsp_data24, voice->loopend - 3);
+    }
+    else
+    {
+        start_index = voice->start;
+        start_points[0] = fluid_rvoice_get_float_sample(dsp_data, dsp_data24, voice->start);	/* just duplicate the start point */
+        start_points[1] = start_points[0];
+        start_points[2] = start_points[0];
+    }
+
+    /* get the 3 points off the end (loop start if looping, duplicate point if end) */
+    if(looping)
+    {
+        end_points[0] = fluid_rvoice_get_float_sample(dsp_data, dsp_data24, voice->loopstart);
+        end_points[1] = fluid_rvoice_get_float_sample(dsp_data, dsp_data24, voice->loopstart + 1);
+        end_points[2] = fluid_rvoice_get_float_sample(dsp_data, dsp_data24, voice->loopstart + 2);
+    }
+    else
+    {
+        end_points[0] = fluid_rvoice_get_float_sample(dsp_data, dsp_data24, voice->end);
+        end_points[1] = end_points[0];
+        end_points[2] = end_points[0];
+    }
+
+    while(1)
+    {
+        dsp_phase_index = fluid_phase_index(dsp_phase);
+
+        /* interpolate first sample point (start or loop start) if needed */
+        for(; dsp_phase_index == start_index && dsp_i < FLUID_BUFSIZE; dsp_i++)
+        {
+            coeffs = sinc_table7[fluid_phase_fract_to_tablerow(dsp_phase)];
+
+            dsp_buf[dsp_i] = dsp_amp
+                             * (coeffs[0] * start_points[2]
+                                + coeffs[1] * start_points[1]
+                                + coeffs[2] * start_points[0]
+                                + coeffs[3] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index)
+                                + coeffs[4] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index + 1)
+                                + coeffs[5] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index + 2)
+                                + coeffs[6] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index + 3));
+
+            /* increment phase and amplitude */
+            fluid_phase_incr(dsp_phase, dsp_phase_incr);
+            dsp_phase_index = fluid_phase_index(dsp_phase);
+            dsp_amp += dsp_amp_incr;
+        }
+
+        start_index++;
+
+        /* interpolate 2nd to first sample point (start or loop start) if needed */
+        for(; dsp_phase_index == start_index && dsp_i < FLUID_BUFSIZE; dsp_i++)
+        {
+            coeffs = sinc_table7[fluid_phase_fract_to_tablerow(dsp_phase)];
+
+            dsp_buf[dsp_i] = dsp_amp
+                             * (coeffs[0] * start_points[1]
+                                + coeffs[1] * start_points[0]
+                                + coeffs[2] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index - 1)
+                                + coeffs[3] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index)
+                                + coeffs[4] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index + 1)
+                                + coeffs[5] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index + 2)
+                                + coeffs[6] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index + 3));
+
+            /* increment phase and amplitude */
+            fluid_phase_incr(dsp_phase, dsp_phase_incr);
+            dsp_phase_index = fluid_phase_index(dsp_phase);
+            dsp_amp += dsp_amp_incr;
+        }
+
+        start_index++;
+
+        /* interpolate 3rd to first sample point (start or loop start) if needed */
+        for(; dsp_phase_index == start_index && dsp_i < FLUID_BUFSIZE; dsp_i++)
+        {
+            coeffs = sinc_table7[fluid_phase_fract_to_tablerow(dsp_phase)];
+
+            dsp_buf[dsp_i] = dsp_amp
+                             * (coeffs[0] * start_points[0]
+                                + coeffs[1] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index - 2)
+                                + coeffs[2] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index - 1)
+                                + coeffs[3] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index)
+                                + coeffs[4] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index + 1)
+                                + coeffs[5] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index + 2)
+                                + coeffs[6] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index + 3));
+
+            /* increment phase and amplitude */
+            fluid_phase_incr(dsp_phase, dsp_phase_incr);
+            dsp_phase_index = fluid_phase_index(dsp_phase);
+            dsp_amp += dsp_amp_incr;
+        }
+
+        start_index -= 2;	/* set back to original start index */
+
+
+        /* interpolate the sequence of sample points */
+        for(; dsp_i < FLUID_BUFSIZE && dsp_phase_index <= end_index; dsp_i++)
+        {
+            coeffs = sinc_table7[fluid_phase_fract_to_tablerow(dsp_phase)];
+
+            dsp_buf[dsp_i] = dsp_amp
+                             * (coeffs[0] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index - 3)
+                                + coeffs[1] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index - 2)
+                                + coeffs[2] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index - 1)
+                                + coeffs[3] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index)
+                                + coeffs[4] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index + 1)
+                                + coeffs[5] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index + 2)
+                                + coeffs[6] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index + 3));
+
+            /* increment phase and amplitude */
+            fluid_phase_incr(dsp_phase, dsp_phase_incr);
+            dsp_phase_index = fluid_phase_index(dsp_phase);
+            dsp_amp += dsp_amp_incr;
+        }
+
+        /* break out if buffer filled */
+        if(dsp_i >= FLUID_BUFSIZE)
+        {
+            break;
+        }
+
+        end_index++;	/* we're now interpolating the 3rd to last point */
+
+        /* interpolate within 3rd to last point */
+        for(; dsp_phase_index <= end_index && dsp_i < FLUID_BUFSIZE; dsp_i++)
+        {
+            coeffs = sinc_table7[fluid_phase_fract_to_tablerow(dsp_phase)];
+
+            dsp_buf[dsp_i] = dsp_amp
+                             * (coeffs[0] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index - 3)
+                                + coeffs[1] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index - 2)
+                                + coeffs[2] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index - 1)
+                                + coeffs[3] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index)
+                                + coeffs[4] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index + 1)
+                                + coeffs[5] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index + 2)
+                                + coeffs[6] * end_points[0]);
+
+            /* increment phase and amplitude */
+            fluid_phase_incr(dsp_phase, dsp_phase_incr);
+            dsp_phase_index = fluid_phase_index(dsp_phase);
+            dsp_amp += dsp_amp_incr;
+        }
+
+        end_index++;	/* we're now interpolating the 2nd to last point */
+
+        /* interpolate within 2nd to last point */
+        for(; dsp_phase_index <= end_index && dsp_i < FLUID_BUFSIZE; dsp_i++)
+        {
+            coeffs = sinc_table7[fluid_phase_fract_to_tablerow(dsp_phase)];
+
+            dsp_buf[dsp_i] = dsp_amp
+                             * (coeffs[0] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index - 3)
+                                + coeffs[1] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index - 2)
+                                + coeffs[2] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index - 1)
+                                + coeffs[3] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index)
+                                + coeffs[4] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index + 1)
+                                + coeffs[5] * end_points[0]
+                                + coeffs[6] * end_points[1]);
+
+            /* increment phase and amplitude */
+            fluid_phase_incr(dsp_phase, dsp_phase_incr);
+            dsp_phase_index = fluid_phase_index(dsp_phase);
+            dsp_amp += dsp_amp_incr;
+        }
+
+        end_index++;	/* we're now interpolating the last point */
+
+        /* interpolate within last point */
+        for(; dsp_phase_index <= end_index && dsp_i < FLUID_BUFSIZE; dsp_i++)
+        {
+            coeffs = sinc_table7[fluid_phase_fract_to_tablerow(dsp_phase)];
+
+            dsp_buf[dsp_i] = dsp_amp
+                             * (coeffs[0] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index - 3)
+                                + coeffs[1] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index - 2)
+                                + coeffs[2] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index - 1)
+                                + coeffs[3] * fluid_rvoice_get_float_sample(dsp_data, dsp_data24, dsp_phase_index)
+                                + coeffs[4] * end_points[0]
+                                + coeffs[5] * end_points[1]
+                                + coeffs[6] * end_points[2]);
+
+            /* increment phase and amplitude */
+            fluid_phase_incr(dsp_phase, dsp_phase_incr);
+            dsp_phase_index = fluid_phase_index(dsp_phase);
+            dsp_amp += dsp_amp_incr;
+        }
+
+        if(!looping)
+        {
+            break;    /* break out if not looping (end of sample) */
+        }
+
+        /* go back to loop start */
+        if(dsp_phase_index > end_index)
+        {
+            fluid_phase_sub_int(dsp_phase, voice->loopend - voice->loopstart);
+
+            if(!voice->has_looped)
+            {
+                voice->has_looped = 1;
+                start_index = voice->loopstart;
+                start_points[0] = fluid_rvoice_get_float_sample(dsp_data, dsp_data24, voice->loopend - 1);
+                start_points[1] = fluid_rvoice_get_float_sample(dsp_data, dsp_data24, voice->loopend - 2);
+                start_points[2] = fluid_rvoice_get_float_sample(dsp_data, dsp_data24, voice->loopend - 3);
+            }
+        }
+
+        /* break out if filled buffer */
+        if(dsp_i >= FLUID_BUFSIZE)
+        {
+            break;
+        }
+
+        end_index -= 3;	/* set end back to 4th to last sample point */
+    }
+
+    /* sub 1/2 sample from dsp_phase since 7th order interpolation is centered on
+     * the 4th sample point (correct back to real value) */
+    fluid_phase_decr(dsp_phase, (fluid_phase_t)0x80000000);
+
+    voice->phase = dsp_phase;
+    voice->amp = dsp_amp;
+
+    return (dsp_i);
+}
diff --git a/libs/fluidsynth/src/rvoice/fluid_rvoice_dsp_tables.h b/libs/fluidsynth/src/rvoice/fluid_rvoice_dsp_tables.h
new file mode 100644
index 00000000000..befc9faf4d0
--- /dev/null
+++ b/libs/fluidsynth/src/rvoice/fluid_rvoice_dsp_tables.h
@@ -0,0 +1,8 @@
+
+#ifndef _FLUID_RVOICE_DSP_TABLES_H
+#define _FLUID_RVOICE_DSP_TABLES_H
+
+#define FLUID_INTERP_MAX         256
+#define SINC_INTERP_ORDER 7	/* 7th order constant */
+
+#endif
diff --git a/libs/fluidsynth/src/rvoice/fluid_rvoice_event.c b/libs/fluidsynth/src/rvoice/fluid_rvoice_event.c
new file mode 100644
index 00000000000..e60115f3617
--- /dev/null
+++ b/libs/fluidsynth/src/rvoice/fluid_rvoice_event.c
@@ -0,0 +1,202 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#include "fluid_rvoice_event.h"
+#include "fluid_rvoice.h"
+#include "fluid_rvoice_mixer.h"
+#include "fluid_iir_filter.h"
+#include "fluid_lfo.h"
+#include "fluid_adsr_env.h"
+
+static int fluid_rvoice_eventhandler_push_LOCAL(fluid_rvoice_eventhandler_t *handler, const fluid_rvoice_event_t *src_event);
+
+static FLUID_INLINE void
+fluid_rvoice_event_dispatch(fluid_rvoice_event_t *event)
+{
+    event->method(event->object, event->param);
+}
+
+
+/**
+ * In order to be able to push more than one event atomically,
+ * use push for all events, then use flush to commit them to the
+ * queue. If threadsafe is false, all events are processed immediately. */
+int
+fluid_rvoice_eventhandler_push_int_real(fluid_rvoice_eventhandler_t *handler,
+                                        fluid_rvoice_function_t method, void *object, int intparam,
+                                        fluid_real_t realparam)
+{
+    fluid_rvoice_event_t local_event;
+
+    local_event.method = method;
+    local_event.object = object;
+    local_event.param[0].i = intparam;
+    local_event.param[1].real = realparam;
+
+    return fluid_rvoice_eventhandler_push_LOCAL(handler, &local_event);
+}
+
+int
+fluid_rvoice_eventhandler_push(fluid_rvoice_eventhandler_t *handler, fluid_rvoice_function_t method, void *object, fluid_rvoice_param_t param[MAX_EVENT_PARAMS])
+{
+    fluid_rvoice_event_t local_event;
+
+    local_event.method = method;
+    local_event.object = object;
+    FLUID_MEMCPY(&local_event.param, param, sizeof(*param) * MAX_EVENT_PARAMS);
+
+    return fluid_rvoice_eventhandler_push_LOCAL(handler, &local_event);
+}
+
+int
+fluid_rvoice_eventhandler_push_ptr(fluid_rvoice_eventhandler_t *handler,
+                                   fluid_rvoice_function_t method, void *object, void *ptr)
+{
+    fluid_rvoice_event_t local_event;
+
+    local_event.method = method;
+    local_event.object = object;
+    local_event.param[0].ptr = ptr;
+
+    return fluid_rvoice_eventhandler_push_LOCAL(handler, &local_event);
+}
+
+static int fluid_rvoice_eventhandler_push_LOCAL(fluid_rvoice_eventhandler_t *handler, const fluid_rvoice_event_t *src_event)
+{
+    fluid_rvoice_event_t *event;
+    int old_queue_stored = fluid_atomic_int_add(&handler->queue_stored, 1);
+
+    event = fluid_ringbuffer_get_inptr(handler->queue, old_queue_stored);
+
+    if(event == NULL)
+    {
+        fluid_atomic_int_add(&handler->queue_stored, -1);
+        FLUID_LOG(FLUID_WARN, "Ringbuffer full, try increasing synth.polyphony!");
+        return FLUID_FAILED; // Buffer full...
+    }
+
+    FLUID_MEMCPY(event, src_event, sizeof(*event));
+
+    return FLUID_OK;
+}
+
+
+void
+fluid_rvoice_eventhandler_finished_voice_callback(fluid_rvoice_eventhandler_t *eventhandler, fluid_rvoice_t *rvoice)
+{
+    fluid_rvoice_t **vptr = fluid_ringbuffer_get_inptr(eventhandler->finished_voices, 0);
+
+    if(vptr == NULL)
+    {
+        return;    // Buffer full
+    }
+
+    *vptr = rvoice;
+    fluid_ringbuffer_next_inptr(eventhandler->finished_voices, 1);
+}
+
+fluid_rvoice_eventhandler_t *
+new_fluid_rvoice_eventhandler(int queuesize,
+                              int finished_voices_size, int bufs, int fx_bufs, int fx_units,
+                              fluid_real_t sample_rate_max, fluid_real_t sample_rate,
+                              int extra_threads, int prio)
+{
+    fluid_rvoice_eventhandler_t *eventhandler = FLUID_NEW(fluid_rvoice_eventhandler_t);
+
+    if(eventhandler == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return NULL;
+    }
+
+    eventhandler->mixer = NULL;
+    eventhandler->queue = NULL;
+    eventhandler->finished_voices = NULL;
+
+    fluid_atomic_int_set(&eventhandler->queue_stored, 0);
+
+    eventhandler->finished_voices = new_fluid_ringbuffer(finished_voices_size,
+                                    sizeof(fluid_rvoice_t *));
+
+    if(eventhandler->finished_voices == NULL)
+    {
+        goto error_recovery;
+    }
+
+    eventhandler->queue = new_fluid_ringbuffer(queuesize, sizeof(fluid_rvoice_event_t));
+
+    if(eventhandler->queue == NULL)
+    {
+        goto error_recovery;
+    }
+
+    eventhandler->mixer = new_fluid_rvoice_mixer(bufs, fx_bufs, fx_units,
+                          sample_rate_max, sample_rate, eventhandler, extra_threads, prio);
+
+    if(eventhandler->mixer == NULL)
+    {
+        goto error_recovery;
+    }
+
+    return eventhandler;
+
+error_recovery:
+    delete_fluid_rvoice_eventhandler(eventhandler);
+    return NULL;
+}
+
+int
+fluid_rvoice_eventhandler_dispatch_count(fluid_rvoice_eventhandler_t *handler)
+{
+    return fluid_ringbuffer_get_count(handler->queue);
+}
+
+
+/**
+ * Call fluid_rvoice_event_dispatch for all events in queue
+ * @return number of events dispatched
+ */
+int
+fluid_rvoice_eventhandler_dispatch_all(fluid_rvoice_eventhandler_t *handler)
+{
+    fluid_rvoice_event_t *event;
+    int result = 0;
+
+    while(NULL != (event = fluid_ringbuffer_get_outptr(handler->queue)))
+    {
+        fluid_rvoice_event_dispatch(event);
+        result++;
+        fluid_ringbuffer_next_outptr(handler->queue);
+    }
+
+    return result;
+}
+
+
+void
+delete_fluid_rvoice_eventhandler(fluid_rvoice_eventhandler_t *handler)
+{
+    fluid_return_if_fail(handler != NULL);
+
+    delete_fluid_rvoice_mixer(handler->mixer);
+    delete_fluid_ringbuffer(handler->queue);
+    delete_fluid_ringbuffer(handler->finished_voices);
+    FLUID_FREE(handler);
+}
diff --git a/libs/fluidsynth/src/rvoice/fluid_rvoice_event.h b/libs/fluidsynth/src/rvoice/fluid_rvoice_event.h
new file mode 100644
index 00000000000..225e9069e13
--- /dev/null
+++ b/libs/fluidsynth/src/rvoice/fluid_rvoice_event.h
@@ -0,0 +1,114 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+
+#ifndef _FLUID_RVOICE_EVENT_H
+#define _FLUID_RVOICE_EVENT_H
+
+#include "fluidsynth_priv.h"
+#include "fluid_rvoice_mixer.h"
+#include "fluid_ringbuffer.h"
+
+typedef struct _fluid_rvoice_event_t fluid_rvoice_event_t;
+
+struct _fluid_rvoice_event_t
+{
+    fluid_rvoice_function_t method;
+    void *object;
+    fluid_rvoice_param_t param[MAX_EVENT_PARAMS];
+};
+
+/*
+ * Bridge between the renderer thread and the midi state thread.
+ * fluid_rvoice_eventhandler_fetch_all() can be called in parallel
+ * with fluid_rvoice_eventhandler_push/flush()
+ */
+struct _fluid_rvoice_eventhandler_t
+{
+    fluid_ringbuffer_t *queue; /**< List of fluid_rvoice_event_t */
+    fluid_atomic_int_t queue_stored; /**< Extras pushed but not flushed */
+    fluid_ringbuffer_t *finished_voices; /**< return queue from handler, list of fluid_rvoice_t* */
+    fluid_rvoice_mixer_t *mixer;
+};
+
+fluid_rvoice_eventhandler_t *new_fluid_rvoice_eventhandler(
+    int queuesize, int finished_voices_size, int bufs,
+    int fx_bufs, int fx_units, fluid_real_t sample_rate_max, fluid_real_t sample_rate, int, int);
+
+void delete_fluid_rvoice_eventhandler(fluid_rvoice_eventhandler_t *);
+
+int fluid_rvoice_eventhandler_dispatch_all(fluid_rvoice_eventhandler_t *);
+int fluid_rvoice_eventhandler_dispatch_count(fluid_rvoice_eventhandler_t *);
+void fluid_rvoice_eventhandler_finished_voice_callback(fluid_rvoice_eventhandler_t *eventhandler,
+        fluid_rvoice_t *rvoice);
+
+static FLUID_INLINE void
+fluid_rvoice_eventhandler_flush(fluid_rvoice_eventhandler_t *handler)
+{
+    int queue_stored = fluid_atomic_int_get(&handler->queue_stored);
+
+    if(queue_stored > 0)
+    {
+        fluid_atomic_int_set(&handler->queue_stored, 0);
+        fluid_ringbuffer_next_inptr(handler->queue, queue_stored);
+    }
+}
+
+/**
+ * @return next finished voice, or NULL if nothing in queue
+ */
+static FLUID_INLINE fluid_rvoice_t *
+fluid_rvoice_eventhandler_get_finished_voice(fluid_rvoice_eventhandler_t *handler)
+{
+    void *result = fluid_ringbuffer_get_outptr(handler->finished_voices);
+
+    if(result == NULL)
+    {
+        return NULL;
+    }
+
+    result = * (fluid_rvoice_t **) result;
+    fluid_ringbuffer_next_outptr(handler->finished_voices);
+    return result;
+}
+
+
+int fluid_rvoice_eventhandler_push_int_real(fluid_rvoice_eventhandler_t *handler,
+        fluid_rvoice_function_t method, void *object, int intparam,
+        fluid_real_t realparam);
+
+int fluid_rvoice_eventhandler_push_ptr(fluid_rvoice_eventhandler_t *handler,
+                                       fluid_rvoice_function_t method, void *object, void *ptr);
+
+int fluid_rvoice_eventhandler_push(fluid_rvoice_eventhandler_t *handler,
+                                   fluid_rvoice_function_t method, void *object,
+                                   fluid_rvoice_param_t param[MAX_EVENT_PARAMS]);
+
+static FLUID_INLINE void
+fluid_rvoice_eventhandler_add_rvoice(fluid_rvoice_eventhandler_t *handler,
+                                     fluid_rvoice_t *rvoice)
+{
+    fluid_rvoice_eventhandler_push_ptr(handler, fluid_rvoice_mixer_add_voice,
+                                       handler->mixer, rvoice);
+}
+
+
+
+#endif
diff --git a/libs/fluidsynth/src/rvoice/fluid_rvoice_mixer.c b/libs/fluidsynth/src/rvoice/fluid_rvoice_mixer.c
new file mode 100644
index 00000000000..c1e2fb2e827
--- /dev/null
+++ b/libs/fluidsynth/src/rvoice/fluid_rvoice_mixer.c
@@ -0,0 +1,1727 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#include "fluid_rvoice_mixer.h"
+#include "fluid_rvoice.h"
+#include "fluid_sys.h"
+#include "fluid_rev.h"
+#include "fluid_chorus.h"
+#include "fluid_ladspa.h"
+#include "fluid_synth.h"
+
+
+// If less than x voices, the thread overhead is larger than the gain,
+// so don't activate the thread(s).
+#define VOICES_PER_THREAD 8
+
+typedef struct _fluid_mixer_buffers_t fluid_mixer_buffers_t;
+
+struct _fluid_mixer_buffers_t
+{
+    fluid_rvoice_mixer_t *mixer; /**< Owner of object */
+#if ENABLE_MIXER_THREADS
+    fluid_thread_t *thread;     /**< Thread object */
+    fluid_atomic_int_t ready;   /**< Atomic: buffers are ready for mixing */
+#endif
+
+    fluid_rvoice_t **finished_voices; /* List of voices who have finished */
+    int finished_voice_count;
+
+    fluid_real_t *local_buf;
+
+    int buf_count;
+    int fx_buf_count;
+
+    /** buffer to store the left part of a stereo channel to.
+     * Specifically a two dimensional array, containing \c buf_count sample buffers
+     * (i.e. for each synth.audio-groups), of which each contains
+     * FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT audio items (=samples)
+     * @note Each sample buffer is aligned to the FLUID_DEFAULT_ALIGNMENT
+     * boundary provided that this pointer points to an aligned buffer.
+     * So make sure to access the sample buffer by first aligning this
+     * pointer using fluid_align_ptr()
+     */
+    fluid_real_t *left_buf;
+
+    /** dito, but for right part of a stereo channel */
+    fluid_real_t *right_buf;
+
+    /** buffer to store the left part of a stereo effects channel to.
+     * Specifically a two dimensional array, containing \c fx_buf_count buffers
+     * (i.e. for each synth.effects-channels), of which each buffer contains
+     * FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT audio items (=samples)
+     */
+    fluid_real_t *fx_left_buf;
+    fluid_real_t *fx_right_buf;
+};
+
+typedef struct _fluid_mixer_fx_t fluid_mixer_fx_t;
+
+struct _fluid_mixer_fx_t
+{
+    fluid_revmodel_t *reverb; /**< Reverb unit */
+    /* reverb shadow parameters here will be returned if queried */
+    double reverb_param[FLUID_REVERB_PARAM_LAST];
+    int reverb_on; /* reverb on/off */
+
+    fluid_chorus_t *chorus; /**< Chorus unit */
+    /* chorus shadow parameters here will be returned if queried */
+    double chorus_param[FLUID_CHORUS_PARAM_LAST];
+    int chorus_on; /* chorus on/off */
+};
+
+struct _fluid_rvoice_mixer_t
+{
+    fluid_mixer_fx_t *fx;
+
+    fluid_mixer_buffers_t buffers; /**< Used by mixer only: own buffers */
+    fluid_rvoice_eventhandler_t *eventhandler;
+
+    fluid_rvoice_t **rvoices; /**< Read-only: Voices array, sorted so that all nulls are last */
+    int polyphony; /**< Read-only: Length of voices array */
+    int active_voices; /**< Read-only: Number of non-null voices */
+    int current_blockcount;      /**< Read-only: how many blocks to process this time */
+    int fx_units;
+    int with_reverb;        /**< Should the synth use the built-in reverb unit? */
+    int with_chorus;        /**< Should the synth use the built-in chorus unit? */
+    int mix_fx_to_out;      /**< Should the effects be mixed in with the primary output? */
+
+#ifdef LADSPA
+    fluid_ladspa_fx_t *ladspa_fx; /**< Used by mixer only: Effects unit for LADSPA support. Never created or freed */
+#endif
+
+#if ENABLE_MIXER_THREADS
+//  int sleeping_threads;        /**< Atomic: number of threads currently asleep */
+//  int active_threads;          /**< Atomic: number of threads in the thread loop */
+    fluid_atomic_int_t threads_should_terminate; /**< Atomic: Set to TRUE when threads should terminate */
+    fluid_atomic_int_t current_rvoice;           /**< Atomic: for the threads to know next voice to  */
+    fluid_cond_t *wakeup_threads; /**< Signalled when the threads should wake up */
+    fluid_cond_mutex_t *wakeup_threads_m; /**< wakeup_threads mutex companion */
+    fluid_cond_t *thread_ready; /**< Signalled from thread, when the thread has a buffer ready for mixing */
+    fluid_cond_mutex_t *thread_ready_m; /**< thread_ready mutex companion */
+
+    int thread_count;            /**< Number of extra mixer threads for multi-core rendering */
+    fluid_mixer_buffers_t *threads;    /**< Array of mixer threads (thread_count in length) */
+#endif
+};
+
+#if ENABLE_MIXER_THREADS
+static void delete_rvoice_mixer_threads(fluid_rvoice_mixer_t *mixer);
+static int fluid_rvoice_mixer_set_threads(fluid_rvoice_mixer_t *mixer, int thread_count, int prio_level);
+#endif
+
+static FLUID_INLINE void
+fluid_rvoice_mixer_process_fx(fluid_rvoice_mixer_t *mixer, int current_blockcount)
+{
+    // Making those variables const causes gcc to fail with "variable is predetermined ‘shared’ for ‘shared’".
+    // Not explicitly marking them shared makes it fail for clang and MSVC...
+    /*const*/ int fx_channels_per_unit = mixer->buffers.fx_buf_count / mixer->fx_units;
+    /*const*/ int dry_count = mixer->buffers.buf_count; /* dry buffers count */
+    /*const*/ int mix_fx_to_out = mixer->mix_fx_to_out; /* get mix_fx_to_out mode */
+    
+    void (*reverb_process_func)(fluid_revmodel_t *rev, const fluid_real_t *in, fluid_real_t *left_out, fluid_real_t *right_out);
+    void (*chorus_process_func)(fluid_chorus_t *chorus, const fluid_real_t *in, fluid_real_t *left_out, fluid_real_t *right_out);
+
+    fluid_real_t *out_rev_l, *out_rev_r, *out_ch_l, *out_ch_r;
+
+    // all dry unprocessed mono input is stored in the left channel
+    fluid_real_t *in_rev = fluid_align_ptr(mixer->buffers.fx_left_buf, FLUID_DEFAULT_ALIGNMENT);
+    fluid_real_t *in_ch = in_rev;
+
+    fluid_profile_ref_var(prof_ref);
+
+#ifdef LADSPA
+
+    /* Run the signal through the LADSPA Fx unit. The buffers have already been
+     * set up in fluid_rvoice_mixer_set_ladspa. */
+    if(mixer->ladspa_fx)
+    {
+        fluid_ladspa_run(mixer->ladspa_fx, current_blockcount, FLUID_BUFSIZE);
+        fluid_check_fpe("LADSPA");
+    }
+
+#endif
+
+    if(mix_fx_to_out)
+    {
+        // mix effects to first stereo channel
+        out_ch_l = out_rev_l = fluid_align_ptr(mixer->buffers.left_buf, FLUID_DEFAULT_ALIGNMENT);
+        out_ch_r = out_rev_r = fluid_align_ptr(mixer->buffers.right_buf, FLUID_DEFAULT_ALIGNMENT);
+
+        reverb_process_func = fluid_revmodel_processmix;
+        chorus_process_func = fluid_chorus_processmix;
+    }
+    else
+    {
+        // replace effects into respective stereo effects channel
+        out_ch_l = out_rev_l = fluid_align_ptr(mixer->buffers.fx_left_buf, FLUID_DEFAULT_ALIGNMENT);
+        out_ch_r = out_rev_r = fluid_align_ptr(mixer->buffers.fx_right_buf, FLUID_DEFAULT_ALIGNMENT);
+
+        reverb_process_func = fluid_revmodel_processreplace;
+        chorus_process_func = fluid_chorus_processreplace;
+    }
+
+    if(mixer->with_reverb || mixer->with_chorus)
+    {
+#if ENABLE_MIXER_THREADS && !defined(WITH_PROFILING)
+        int fx_mixer_threads = mixer->fx_units;
+        fluid_clip(fx_mixer_threads, 1, mixer->thread_count + 1);
+        #pragma omp parallel default(none) shared(mixer, reverb_process_func, chorus_process_func, dry_count, current_blockcount, mix_fx_to_out, fx_channels_per_unit) firstprivate(in_rev, in_ch, out_rev_l, out_rev_r, out_ch_l, out_ch_r) num_threads(fx_mixer_threads)
+#endif
+        {
+            int i, f;
+            int buf_idx;  /* buffer index */
+            int samp_idx; /* sample index in buffer */
+            int dry_idx = 0; /* dry buffer index */
+            int sample_count; /* sample count to process */
+            if(mixer->with_reverb)
+            {
+#if ENABLE_MIXER_THREADS && !defined(WITH_PROFILING)
+                #pragma omp for schedule(static)
+#endif
+                for(f = 0; f < mixer->fx_units; f++)
+                {
+                    if(!mixer->fx[f].reverb_on)
+                    {
+                        continue; /* this reverb unit is disabled */
+                    }
+
+                    buf_idx = f * fx_channels_per_unit + SYNTH_REVERB_CHANNEL;
+                    samp_idx = buf_idx * FLUID_MIXER_MAX_BUFFERS_DEFAULT * FLUID_BUFSIZE;
+                    sample_count = current_blockcount * FLUID_BUFSIZE;
+
+                    /* in mix mode, map fx out_rev at index f to a dry buffer at index dry_idx */
+                    if(mix_fx_to_out)
+                    {
+                        /* dry buffer mapping, should be done more flexible in the future */
+                        dry_idx = (f % dry_count) * FLUID_MIXER_MAX_BUFFERS_DEFAULT * FLUID_BUFSIZE;
+                    }
+
+                    for(i = 0; i < sample_count; i += FLUID_BUFSIZE, samp_idx += FLUID_BUFSIZE)
+                    {
+                        reverb_process_func(mixer->fx[f].reverb,
+                                            &in_rev[samp_idx],
+                                            mix_fx_to_out ? &out_rev_l[dry_idx + i] : &out_rev_l[samp_idx],
+                                            mix_fx_to_out ? &out_rev_r[dry_idx + i] : &out_rev_r[samp_idx]);
+                    }
+                } // implicit omp barrier - required, because out_rev_l aliases with out_ch_l
+
+                fluid_profile(FLUID_PROF_ONE_BLOCK_REVERB, prof_ref, 0,
+                            current_blockcount * FLUID_BUFSIZE);
+            }
+
+            if(mixer->with_chorus)
+            {
+#if ENABLE_MIXER_THREADS && !defined(WITH_PROFILING)
+                #pragma omp for schedule(static)
+#endif
+                for(f = 0; f < mixer->fx_units; f++)
+                {
+                    if(!mixer->fx[f].chorus_on)
+                    {
+                        continue; /* this chorus unit is disabled */
+                    }
+
+                    buf_idx = f * fx_channels_per_unit + SYNTH_CHORUS_CHANNEL;
+                    samp_idx = buf_idx * FLUID_MIXER_MAX_BUFFERS_DEFAULT * FLUID_BUFSIZE;
+                    sample_count = current_blockcount * FLUID_BUFSIZE;
+
+                    /* in mix mode, map fx out_ch at index f to a dry buffer at index dry_idx */
+                    if(mix_fx_to_out)
+                    {
+                        /* dry buffer mapping, should be done more flexible in the future */
+                        dry_idx = (f % dry_count) * FLUID_MIXER_MAX_BUFFERS_DEFAULT * FLUID_BUFSIZE;
+                    }
+
+                    for(i = 0; i < sample_count; i += FLUID_BUFSIZE, samp_idx += FLUID_BUFSIZE)
+                    {
+                        chorus_process_func(mixer->fx[f].chorus,
+                                            &in_ch [samp_idx],
+                                            mix_fx_to_out ? &out_ch_l[dry_idx + i] : &out_ch_l[samp_idx],
+                                            mix_fx_to_out ? &out_ch_r[dry_idx + i] : &out_ch_r[samp_idx]);
+                    }
+                }
+
+                fluid_profile(FLUID_PROF_ONE_BLOCK_CHORUS, prof_ref, 0,
+                            current_blockcount * FLUID_BUFSIZE);
+            }
+        }
+    }
+}
+
+/**
+ * Glue to get fluid_rvoice_buffers_mix what it wants
+ * Note: Make sure outbufs has 2 * (buf_count + fx_buf_count) elements before calling
+ */
+static FLUID_INLINE int
+fluid_mixer_buffers_prepare(fluid_mixer_buffers_t *buffers, fluid_real_t **outbufs)
+{
+    fluid_real_t *base_ptr;
+    int i;
+    const int fx_channels_per_unit = buffers->fx_buf_count / buffers->mixer->fx_units;
+    const int offset = buffers->buf_count * 2;
+    int with_reverb = buffers->mixer->with_reverb;
+    int with_chorus = buffers->mixer->with_chorus;
+
+    /* Set up the reverb and chorus buffers only when the effect is enabled or
+     * when LADSPA is active. Nonexisting buffers are detected in the DSP loop.
+     * Not sending the effect signals saves some time in that case. */
+#ifdef LADSPA
+    int with_ladspa = (buffers->mixer->ladspa_fx != NULL);
+    with_reverb = (with_reverb | with_ladspa);
+    with_chorus = (with_chorus | with_ladspa);
+#endif
+
+    // all the dry, non-processed mono audio for effects is to be stored in the left buffers
+    base_ptr = fluid_align_ptr(buffers->fx_left_buf, FLUID_DEFAULT_ALIGNMENT);
+
+    for(i = 0; i < buffers->mixer->fx_units; i++)
+    {
+        int fx_idx = i * fx_channels_per_unit;
+
+        outbufs[offset + fx_idx + SYNTH_REVERB_CHANNEL] =
+            (with_reverb)
+            ? &base_ptr[(fx_idx + SYNTH_REVERB_CHANNEL) * FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT]
+            : NULL;
+
+        outbufs[offset + fx_idx + SYNTH_CHORUS_CHANNEL] =
+            (with_chorus)
+            ? &base_ptr[(fx_idx + SYNTH_CHORUS_CHANNEL) * FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT]
+            : NULL;
+    }
+
+    /* The output associated with a MIDI channel is wrapped around
+     * using the number of audio groups as modulo divider.  This is
+     * typically the number of output channels on the 'sound card',
+     * as long as the LADSPA Fx unit is not used. In case of LADSPA
+     * unit, think of it as subgroups on a mixer.
+     *
+     * For example: Assume that the number of groups is set to 2.
+     * Then MIDI channel 1, 3, 5, 7 etc. go to output 1, channels 2,
+     * 4, 6, 8 etc to output 2.  Or assume 3 groups: Then MIDI
+     * channels 1, 4, 7, 10 etc go to output 1; 2, 5, 8, 11 etc to
+     * output 2, 3, 6, 9, 12 etc to output 3.
+     */
+    base_ptr = fluid_align_ptr(buffers->left_buf, FLUID_DEFAULT_ALIGNMENT);
+
+    for(i = 0; i < buffers->buf_count; i++)
+    {
+        outbufs[i * 2] = &base_ptr[i * FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT];
+    }
+
+    base_ptr = fluid_align_ptr(buffers->right_buf, FLUID_DEFAULT_ALIGNMENT);
+
+    for(i = 0; i < buffers->buf_count; i++)
+    {
+        outbufs[i * 2 + 1] = &base_ptr[i * FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT];
+    }
+
+    return offset + buffers->fx_buf_count;
+}
+
+
+static FLUID_INLINE void
+fluid_finish_rvoice(fluid_mixer_buffers_t *buffers, fluid_rvoice_t *rvoice)
+{
+    if(buffers->finished_voice_count < buffers->mixer->polyphony)
+    {
+        buffers->finished_voices[buffers->finished_voice_count++] = rvoice;
+    }
+    else
+    {
+        FLUID_LOG(FLUID_ERR, "Exceeded finished voices array, try increasing polyphony");
+    }
+}
+
+static void
+fluid_mixer_buffer_process_finished_voices(fluid_mixer_buffers_t *buffers)
+{
+    int i, j;
+
+    for(i = 0; i < buffers->finished_voice_count; i++)
+    {
+        fluid_rvoice_t *v = buffers->finished_voices[i];
+        int av = buffers->mixer->active_voices;
+
+        for(j = 0; j < av; j++)
+        {
+            if(v == buffers->mixer->rvoices[j])
+            {
+                av--;
+
+                /* Pack the array */
+                if(j < av)
+                {
+                    buffers->mixer->rvoices[j] = buffers->mixer->rvoices[av];
+                }
+            }
+        }
+
+        buffers->mixer->active_voices = av;
+
+        fluid_rvoice_eventhandler_finished_voice_callback(buffers->mixer->eventhandler, v);
+    }
+
+    buffers->finished_voice_count = 0;
+}
+
+static FLUID_INLINE void fluid_rvoice_mixer_process_finished_voices(fluid_rvoice_mixer_t *mixer)
+{
+#if ENABLE_MIXER_THREADS
+    int i;
+
+    for(i = 0; i < mixer->thread_count; i++)
+    {
+        fluid_mixer_buffer_process_finished_voices(&mixer->threads[i]);
+    }
+
+#endif
+    fluid_mixer_buffer_process_finished_voices(&mixer->buffers);
+}
+
+
+static FLUID_INLINE fluid_real_t *
+get_dest_buf(fluid_rvoice_buffers_t *buffers, int index,
+             fluid_real_t **dest_bufs, int dest_bufcount)
+{
+    int j = buffers->bufs[index].mapping;
+
+    if(j >= dest_bufcount || j < 0)
+    {
+        return NULL;
+    }
+
+    return dest_bufs[j];
+}
+
+/**
+ * Mix samples down from internal dsp_buf to output buffers
+ *
+ * @param buffers Destination buffer(s)
+ * @param dsp_buf Mono sample source
+ * @param start_block starting sample in dsp_buf
+ * @param sample_count number of samples to mix following \c start_block
+ * @param dest_bufs Array of buffers to mixdown to
+ * @param dest_bufcount Length of dest_bufs (i.e count of buffers)
+ */
+static void
+fluid_rvoice_buffers_mix(fluid_rvoice_buffers_t *buffers,
+                         const fluid_real_t *FLUID_RESTRICT dsp_buf,
+                         int start_block, int sample_count,
+                         fluid_real_t **dest_bufs, int dest_bufcount)
+{
+    /* buffers count to mixdown to */
+    int bufcount = buffers->count;
+    int i, dsp_i;
+
+    /* if there is nothing to mix, return immediately */
+    if(sample_count <= 0 || dest_bufcount <= 0)
+    {
+        return;
+    }
+
+    FLUID_ASSERT((uintptr_t)dsp_buf % FLUID_DEFAULT_ALIGNMENT == 0);
+    FLUID_ASSERT((uintptr_t)(&dsp_buf[start_block * FLUID_BUFSIZE]) % FLUID_DEFAULT_ALIGNMENT == 0);
+
+    /* mixdown for each buffer */
+    for(i = 0; i < bufcount; i++)
+    {
+        fluid_real_t *FLUID_RESTRICT buf = get_dest_buf(buffers, i, dest_bufs, dest_bufcount);
+        fluid_real_t target_amp = buffers->bufs[i].target_amp;
+        fluid_real_t current_amp = buffers->bufs[i].current_amp;
+        fluid_real_t amp_incr;
+
+        if(buf == NULL || (current_amp == 0.0f && target_amp == 0.0f))
+        {
+            continue;
+        }
+
+        amp_incr = (target_amp - current_amp) / FLUID_BUFSIZE;
+
+        FLUID_ASSERT((uintptr_t)buf % FLUID_DEFAULT_ALIGNMENT == 0);
+
+        /* Mixdown sample_count samples in the current buffer buf
+         *
+         * For the first FLUID_BUFSIZE samples, we linearly interpolate the buffers amplitude to
+         * avoid clicks/pops when rapidly changing the channels panning (issue 768).
+         * 
+         * We could have squashed this into one single loop by using an if clause within the loop body.
+         * But it seems like having two separate loops is easier for compilers to understand, and therefore
+         * auto-vectorizing the loops.
+         */
+        if(sample_count < FLUID_BUFSIZE)
+        {
+            // scalar loop variant, the voice will have finished afterwards
+            for(dsp_i = 0; dsp_i < sample_count; dsp_i++)
+            {
+                buf[start_block * FLUID_BUFSIZE + dsp_i] += current_amp * dsp_buf[start_block * FLUID_BUFSIZE + dsp_i];
+                current_amp += amp_incr;
+            }
+        }
+        else
+        {
+            // here goes the vectorizable loop
+            #pragma omp simd aligned(dsp_buf,buf:FLUID_DEFAULT_ALIGNMENT)
+            for(dsp_i = 0; dsp_i < FLUID_BUFSIZE; dsp_i++)
+            {
+                // We cannot simply increment current_amp by amp_incr during every iteration, as this would create a dependency and prevent vectorization.
+                buf[start_block * FLUID_BUFSIZE + dsp_i] += (current_amp + amp_incr * dsp_i) * dsp_buf[start_block * FLUID_BUFSIZE + dsp_i];
+            }
+            
+            // we have reached the target_amp
+            if(target_amp > 0)
+            {
+                /* Note, that this loop could be unrolled by FLUID_BUFSIZE elements */
+                #pragma omp simd aligned(dsp_buf,buf:FLUID_DEFAULT_ALIGNMENT)
+                for(dsp_i = FLUID_BUFSIZE; dsp_i < sample_count; dsp_i++)
+                {
+                    // Index by blocks (not by samples) to let the compiler know that we always start accessing
+                    // buf and dsp_buf at the FLUID_BUFSIZE*sizeof(fluid_real_t) byte boundary and never somewhere
+                    // in between.
+                    // A good compiler should understand: Aha, so I don't need to add a peel loop when vectorizing
+                    // this loop. Great.
+                    buf[start_block * FLUID_BUFSIZE + dsp_i] += target_amp * dsp_buf[start_block * FLUID_BUFSIZE + dsp_i];
+                }
+            }
+        }
+        
+        buffers->bufs[i].current_amp = target_amp;
+    }
+}
+
+/**
+ * Synthesize one voice and add to buffer.
+ * NOTE: If return value is less than blockcount*FLUID_BUFSIZE, that means
+ * voice has been finished, removed and possibly replaced with another voice.
+ */
+static FLUID_INLINE void
+fluid_mixer_buffers_render_one(fluid_mixer_buffers_t *buffers,
+                               fluid_rvoice_t *rvoice, fluid_real_t **dest_bufs,
+                               unsigned int dest_bufcount, fluid_real_t *src_buf, int blockcount)
+{
+    int i, total_samples = 0, last_block_mixed = 0;
+
+    for(i = 0; i < blockcount; i++)
+    {
+        /* render one block in src_buf */
+        int s = fluid_rvoice_write(rvoice, &src_buf[FLUID_BUFSIZE * i]);
+
+        if(s == -1)
+        {
+            /* the voice is silent, mix back all the previously rendered sound */
+            fluid_rvoice_buffers_mix(&rvoice->buffers, src_buf, last_block_mixed,
+                                     total_samples - (last_block_mixed * FLUID_BUFSIZE),
+                                     dest_bufs, dest_bufcount);
+
+            last_block_mixed = i + 1; /* future block start index to mix from */
+            total_samples += FLUID_BUFSIZE; /* accumulate samples count rendered */
+        }
+        else
+        {
+            /* the voice wasn't quiet. Some samples have been rendered [0..FLUID_BUFSIZE] */
+            total_samples += s;
+
+            if(s < FLUID_BUFSIZE)
+            {
+                /* voice has finished */
+                break;
+            }
+        }
+    }
+
+    /* Now mix the remaining blocks from last_block_mixed to total_sample */
+    fluid_rvoice_buffers_mix(&rvoice->buffers, src_buf, last_block_mixed,
+                             total_samples - (last_block_mixed * FLUID_BUFSIZE),
+                             dest_bufs, dest_bufcount);
+
+    if(total_samples < blockcount * FLUID_BUFSIZE)
+    {
+        /* voice has finished */
+        fluid_finish_rvoice(buffers, rvoice);
+    }
+}
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_mixer_add_voice)
+{
+    int i;
+    fluid_rvoice_mixer_t *mixer = obj;
+    fluid_rvoice_t *voice = param[0].ptr;
+
+    if(mixer->active_voices < mixer->polyphony)
+    {
+        mixer->rvoices[mixer->active_voices++] = voice;
+        return; // success
+    }
+
+    /* See if any voices just finished, if so, take its place.
+       This can happen in voice overflow conditions. */
+    for(i = 0; i < mixer->active_voices; i++)
+    {
+        if(mixer->rvoices[i] == voice)
+        {
+            FLUID_LOG(FLUID_ERR, "Internal error: Trying to replace an existing rvoice in fluid_rvoice_mixer_add_voice?!");
+            return;
+        }
+
+        if(mixer->rvoices[i]->envlfo.volenv.section == FLUID_VOICE_ENVFINISHED)
+        {
+            fluid_finish_rvoice(&mixer->buffers, mixer->rvoices[i]);
+            mixer->rvoices[i] = voice;
+            return; // success
+        }
+    }
+
+    /* This should never happen */
+    FLUID_LOG(FLUID_ERR, "Trying to exceed polyphony in fluid_rvoice_mixer_add_voice");
+}
+
+static int
+fluid_mixer_buffers_update_polyphony(fluid_mixer_buffers_t *buffers, int value)
+{
+    void *newptr;
+
+    if(buffers->finished_voice_count > value)
+    {
+        return FLUID_FAILED;
+    }
+
+    newptr = FLUID_REALLOC(buffers->finished_voices, value * sizeof(fluid_rvoice_t *));
+
+    if(newptr == NULL && value > 0)
+    {
+        return FLUID_FAILED;
+    }
+
+    buffers->finished_voices = newptr;
+    return FLUID_OK;
+}
+
+/**
+ * Update polyphony - max number of voices (NOTE: not hard real-time capable)
+ * @return FLUID_OK or FLUID_FAILED
+ */
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_mixer_set_polyphony)
+{
+    void *newptr;
+    fluid_rvoice_mixer_t *handler = obj;
+    int value = param[0].i;
+
+    if(handler->active_voices > value)
+    {
+        return /*FLUID_FAILED*/;
+    }
+
+    newptr = FLUID_REALLOC(handler->rvoices, value * sizeof(fluid_rvoice_t *));
+
+    if(newptr == NULL)
+    {
+        return /*FLUID_FAILED*/;
+    }
+
+    handler->rvoices = newptr;
+
+    if(fluid_mixer_buffers_update_polyphony(&handler->buffers, value)
+            == FLUID_FAILED)
+    {
+        return /*FLUID_FAILED*/;
+    }
+
+#if ENABLE_MIXER_THREADS
+    {
+        int i;
+
+        for(i = 0; i < handler->thread_count; i++)
+        {
+            if(fluid_mixer_buffers_update_polyphony(&handler->threads[i], value)
+                    == FLUID_FAILED)
+            {
+                return /*FLUID_FAILED*/;
+            }
+        }
+    }
+#endif
+
+    handler->polyphony = value;
+    /*return FLUID_OK*/;
+}
+
+
+static void
+fluid_render_loop_singlethread(fluid_rvoice_mixer_t *mixer, int blockcount)
+{
+    int i;
+    FLUID_DECLARE_VLA(fluid_real_t *, bufs,
+                      mixer->buffers.buf_count * 2 + mixer->buffers.fx_buf_count * 2);
+    int bufcount = fluid_mixer_buffers_prepare(&mixer->buffers, bufs);
+
+    fluid_real_t *local_buf = fluid_align_ptr(mixer->buffers.local_buf, FLUID_DEFAULT_ALIGNMENT);
+
+    fluid_profile_ref_var(prof_ref);
+
+    for(i = 0; i < mixer->active_voices; i++)
+    {
+        fluid_mixer_buffers_render_one(&mixer->buffers, mixer->rvoices[i], bufs,
+                                       bufcount, local_buf, blockcount);
+        fluid_profile(FLUID_PROF_ONE_BLOCK_VOICE, prof_ref, 1,
+                      blockcount * FLUID_BUFSIZE);
+    }
+}
+
+static FLUID_INLINE void
+fluid_mixer_buffers_zero(fluid_mixer_buffers_t *buffers, int current_blockcount)
+{
+    int i, size = current_blockcount * FLUID_BUFSIZE * sizeof(fluid_real_t);
+
+    /* TODO: Optimize by only zero out the buffers we actually use later on. */
+    int buf_count = buffers->buf_count, fx_buf_count = buffers->fx_buf_count;
+
+    fluid_real_t *FLUID_RESTRICT buf_l = fluid_align_ptr(buffers->left_buf, FLUID_DEFAULT_ALIGNMENT);
+    fluid_real_t *FLUID_RESTRICT buf_r = fluid_align_ptr(buffers->right_buf, FLUID_DEFAULT_ALIGNMENT);
+
+    for(i = 0; i < buf_count; i++)
+    {
+        FLUID_MEMSET(&buf_l[i * FLUID_MIXER_MAX_BUFFERS_DEFAULT * FLUID_BUFSIZE], 0, size);
+        FLUID_MEMSET(&buf_r[i * FLUID_MIXER_MAX_BUFFERS_DEFAULT * FLUID_BUFSIZE], 0, size);
+    }
+
+    buf_l = fluid_align_ptr(buffers->fx_left_buf, FLUID_DEFAULT_ALIGNMENT);
+    buf_r = fluid_align_ptr(buffers->fx_right_buf, FLUID_DEFAULT_ALIGNMENT);
+
+    for(i = 0; i < fx_buf_count; i++)
+    {
+        FLUID_MEMSET(&buf_l[i * FLUID_MIXER_MAX_BUFFERS_DEFAULT * FLUID_BUFSIZE], 0, size);
+        FLUID_MEMSET(&buf_r[i * FLUID_MIXER_MAX_BUFFERS_DEFAULT * FLUID_BUFSIZE], 0, size);
+    }
+}
+
+static int
+fluid_mixer_buffers_init(fluid_mixer_buffers_t *buffers, fluid_rvoice_mixer_t *mixer)
+{
+    static const int samplecount = FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT;
+
+    buffers->mixer = mixer;
+    buffers->buf_count = mixer->buffers.buf_count;
+    buffers->fx_buf_count = mixer->buffers.fx_buf_count;
+
+    /* Local mono voice buf */
+    buffers->local_buf = FLUID_ARRAY_ALIGNED(fluid_real_t, samplecount, FLUID_DEFAULT_ALIGNMENT);
+
+    /* Left and right audio buffers */
+
+    buffers->left_buf = FLUID_ARRAY_ALIGNED(fluid_real_t, buffers->buf_count * samplecount, FLUID_DEFAULT_ALIGNMENT);
+    buffers->right_buf = FLUID_ARRAY_ALIGNED(fluid_real_t, buffers->buf_count * samplecount, FLUID_DEFAULT_ALIGNMENT);
+
+    if((buffers->local_buf == NULL) || (buffers->left_buf == NULL) || (buffers->right_buf == NULL))
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return 0;
+    }
+
+    /* Effects audio buffers */
+
+    buffers->fx_left_buf = FLUID_ARRAY_ALIGNED(fluid_real_t, buffers->fx_buf_count * samplecount, FLUID_DEFAULT_ALIGNMENT);
+    buffers->fx_right_buf = FLUID_ARRAY_ALIGNED(fluid_real_t, buffers->fx_buf_count * samplecount, FLUID_DEFAULT_ALIGNMENT);
+
+    if((buffers->fx_left_buf == NULL) || (buffers->fx_right_buf == NULL))
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return 0;
+    }
+
+    buffers->finished_voices = NULL;
+
+    if(fluid_mixer_buffers_update_polyphony(buffers, mixer->polyphony)
+            == FLUID_FAILED)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return 0;
+    }
+
+    return 1;
+}
+
+/**
+ * Note: Not hard real-time capable (calls malloc)
+ */
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_mixer_set_samplerate)
+{
+    fluid_rvoice_mixer_t *mixer = obj;
+    fluid_real_t samplerate = param[1].real; // because fluid_synth_update_mixer() puts real into arg2
+
+    int i;
+
+    for(i = 0; i < mixer->fx_units; i++)
+    {
+        if(mixer->fx[i].chorus)
+        {
+            fluid_chorus_samplerate_change(mixer->fx[i].chorus, samplerate);
+        }
+
+        if(mixer->fx[i].reverb)
+        {
+            fluid_revmodel_samplerate_change(mixer->fx[i].reverb, samplerate);
+
+            /*
+              fluid_revmodel_samplerate_change() shouldn't fail if the reverb was created
+              with sample_rate_max set to the maximum sample rate indicated in the settings.
+              If this condition isn't respected, the reverb will continue to work but with
+              lost of quality.
+            */
+        }
+    }
+
+#if LADSPA
+
+    if(mixer->ladspa_fx != NULL)
+    {
+        fluid_ladspa_set_sample_rate(mixer->ladspa_fx, samplerate);
+    }
+
+#endif
+}
+
+
+/**
+ * @param buf_count number of primary stereo buffers
+ * @param fx_buf_count number of stereo effect buffers
+ */
+fluid_rvoice_mixer_t *
+new_fluid_rvoice_mixer(int buf_count, int fx_buf_count, int fx_units,
+                       fluid_real_t sample_rate_max,
+                       fluid_real_t sample_rate,
+                       fluid_rvoice_eventhandler_t *evthandler,
+                       int extra_threads, int prio)
+{
+    int i;
+    fluid_rvoice_mixer_t *mixer = FLUID_NEW(fluid_rvoice_mixer_t);
+
+    if(mixer == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return NULL;
+    }
+
+    FLUID_MEMSET(mixer, 0, sizeof(fluid_rvoice_mixer_t));
+    mixer->eventhandler = evthandler;
+    mixer->fx_units = fx_units;
+    mixer->buffers.buf_count = buf_count;
+    mixer->buffers.fx_buf_count = fx_buf_count * fx_units;
+
+    /* allocate the reverb module */
+    mixer->fx = FLUID_ARRAY(fluid_mixer_fx_t, fx_units);
+
+    if(mixer->fx == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        goto error_recovery;
+    }
+
+    FLUID_MEMSET(mixer->fx, 0, fx_units * sizeof(*mixer->fx));
+
+    for(i = 0; i < fx_units; i++)
+    {
+        /* create reverb and chorus units */
+        mixer->fx[i].reverb = new_fluid_revmodel(sample_rate_max, sample_rate);
+        mixer->fx[i].chorus = new_fluid_chorus(sample_rate);
+
+        if(mixer->fx[i].reverb == NULL || mixer->fx[i].chorus == NULL)
+        {
+            FLUID_LOG(FLUID_ERR, "Out of memory");
+            goto error_recovery;
+        }
+    }
+
+    if(!fluid_mixer_buffers_init(&mixer->buffers, mixer))
+    {
+        goto error_recovery;
+    }
+
+#if ENABLE_MIXER_THREADS
+    mixer->thread_ready = new_fluid_cond();
+    mixer->wakeup_threads = new_fluid_cond();
+    mixer->thread_ready_m = new_fluid_cond_mutex();
+    mixer->wakeup_threads_m = new_fluid_cond_mutex();
+
+    if(!mixer->thread_ready || !mixer->wakeup_threads ||
+            !mixer->thread_ready_m || !mixer->wakeup_threads_m)
+    {
+        goto error_recovery;
+    }
+
+    if(fluid_rvoice_mixer_set_threads(mixer, extra_threads, prio) != FLUID_OK)
+    {
+        goto error_recovery;
+    }
+
+#endif
+
+    return mixer;
+
+error_recovery:
+    delete_fluid_rvoice_mixer(mixer);
+    return NULL;
+}
+
+static void
+fluid_mixer_buffers_free(fluid_mixer_buffers_t *buffers)
+{
+    FLUID_FREE(buffers->finished_voices);
+
+    /* free all the sample buffers */
+    FLUID_FREE(buffers->local_buf);
+    FLUID_FREE(buffers->left_buf);
+    FLUID_FREE(buffers->right_buf);
+    FLUID_FREE(buffers->fx_left_buf);
+    FLUID_FREE(buffers->fx_right_buf);
+}
+
+void delete_fluid_rvoice_mixer(fluid_rvoice_mixer_t *mixer)
+{
+    int i;
+
+    fluid_return_if_fail(mixer != NULL);
+
+#if ENABLE_MIXER_THREADS
+    delete_rvoice_mixer_threads(mixer);
+
+    if(mixer->thread_ready)
+    {
+        delete_fluid_cond(mixer->thread_ready);
+    }
+
+    if(mixer->wakeup_threads)
+    {
+        delete_fluid_cond(mixer->wakeup_threads);
+    }
+
+    if(mixer->thread_ready_m)
+    {
+        delete_fluid_cond_mutex(mixer->thread_ready_m);
+    }
+
+    if(mixer->wakeup_threads_m)
+    {
+        delete_fluid_cond_mutex(mixer->wakeup_threads_m);
+    }
+
+#endif
+    fluid_mixer_buffers_free(&mixer->buffers);
+
+
+    for(i = 0; i < mixer->fx_units; i++)
+    {
+        if(mixer->fx[i].reverb)
+        {
+            delete_fluid_revmodel(mixer->fx[i].reverb);
+        }
+
+        if(mixer->fx[i].chorus)
+        {
+            delete_fluid_chorus(mixer->fx[i].chorus);
+        }
+    }
+
+    FLUID_FREE(mixer->fx);
+    FLUID_FREE(mixer->rvoices);
+    FLUID_FREE(mixer);
+}
+
+#ifdef LADSPA
+/**
+ * Set a LADSPS fx instance to be used by the mixer and assign the mixer buffers
+ * as LADSPA host buffers with sensible names */
+void fluid_rvoice_mixer_set_ladspa(fluid_rvoice_mixer_t *mixer,
+                                   fluid_ladspa_fx_t *ladspa_fx, int audio_groups)
+{
+    mixer->ladspa_fx = ladspa_fx;
+
+    if(ladspa_fx == NULL)
+    {
+        return;
+    }
+    else
+    {
+        fluid_real_t *main_l = fluid_align_ptr(mixer->buffers.left_buf, FLUID_DEFAULT_ALIGNMENT);
+        fluid_real_t *main_r = fluid_align_ptr(mixer->buffers.right_buf, FLUID_DEFAULT_ALIGNMENT);
+
+        fluid_real_t *rev = fluid_align_ptr(mixer->buffers.fx_left_buf, FLUID_DEFAULT_ALIGNMENT);
+        fluid_real_t *chor = rev;
+
+        rev = &rev[SYNTH_REVERB_CHANNEL * FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT];
+        chor = &chor[SYNTH_CHORUS_CHANNEL * FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT];
+
+        fluid_ladspa_add_host_ports(ladspa_fx, "Main:L", audio_groups,
+                                    main_l,
+                                    FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT);
+
+        fluid_ladspa_add_host_ports(ladspa_fx, "Main:R", audio_groups,
+                                    main_r,
+                                    FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT);
+
+        fluid_ladspa_add_host_ports(ladspa_fx, "Reverb:Send", 1,
+                                    rev,
+                                    FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT);
+
+        fluid_ladspa_add_host_ports(ladspa_fx, "Chorus:Send", 1,
+                                    chor,
+                                    FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT);
+    }
+}
+#endif
+
+/**
+ * set one or more reverb shadow parameters for one fx group.
+ * These parameters will be returned if queried.
+ * (see fluid_rvoice_mixer_reverb_get_param())
+ *
+ * @param mixer that contains all fx units.
+ * @param fx_group index of the fx group to which parameters must be set.
+ *  must be in the range [-1..mixer->fx_units[. If -1 the changes are applied to
+ *  all fx units.
+ * @param set Flags indicating which parameters should be set (#fluid_revmodel_set_t)
+ * @param values table of parameters values.
+ */
+void
+fluid_rvoice_mixer_set_reverb_full(const fluid_rvoice_mixer_t *mixer,
+                                   int fx_group, int set, const double values[])
+{
+    fluid_mixer_fx_t *fx = mixer->fx;
+    int nr_units = mixer->fx_units;
+
+    if(fx_group >= 0) /* apply parameters to this fx group only */
+    {
+        nr_units = fx_group + 1;
+    }
+    else /* apply parameters to all fx groups */
+    {
+        fx_group = 0;
+    }
+
+    for(; fx_group < nr_units; fx_group++)
+    {
+        int param;
+
+        for(param = 0; param < FLUID_REVERB_PARAM_LAST; param++)
+        {
+            if(set & FLUID_REVPARAM_TO_SETFLAG(param))
+            {
+                fx[fx_group].reverb_param[param] = values[param];
+            }
+        }
+    }
+}
+
+/**
+ * get one reverb shadow parameter for one fx group.
+ * (see fluid_rvoice_mixer_set_reverb_full())
+ *
+ * @param mixer that contains all fx group units.
+ * @param fx_group index of the fx group to get parameter from.
+ *  must be in the range [0..mixer->fx_units[.
+ * @param enum indicating the parameter to get.
+ *  FLUID_REVERB_ROOMSIZE, reverb room size value.
+ *  FLUID_REVERB_DAMP, reverb damping value.
+ *  FLUID_REVERB_WIDTH, reverb width value.
+ *  FLUID_REVERB_LEVEL, reverb level value.
+ * @return value.
+ */
+double
+fluid_rvoice_mixer_reverb_get_param(const fluid_rvoice_mixer_t *mixer,
+                                    int fx_group, int param)
+{
+    return mixer->fx[fx_group].reverb_param[param];
+}
+
+/**
+ * set one or more chorus shadow parameters for one fx group.
+ * These parameters will be returned if queried.
+ * (see fluid_rvoice_mixer_chorus_get_param())
+ *
+ * @param mixer that contains all fx units.
+ * @param fx_group index of the fx group to which parameters must be set.
+ *  must be in the range [-1..mixer->fx_units[. If -1 the changes are applied
+ *  to all fx group.
+ * Keep in mind, that the needed CPU time is proportional to 'nr'.
+ * @param set Flags indicating which parameters to set (#fluid_chorus_set_t)
+ * @param values table of pararameters.
+ */
+void
+fluid_rvoice_mixer_set_chorus_full(const fluid_rvoice_mixer_t *mixer,
+                                   int fx_group, int set, const double values[])
+{
+    fluid_mixer_fx_t *fx = mixer->fx;
+    int nr_units = mixer->fx_units;
+
+    if(fx_group >= 0) /* apply parameters to this group fx only */
+    {
+        nr_units = fx_group + 1;
+    }
+    else /* apply parameters to all fx units*/
+    {
+        fx_group = 0;
+    }
+
+    for(; fx_group < nr_units; fx_group++)
+    {
+        int param;
+
+        for(param = 0; param < FLUID_CHORUS_PARAM_LAST; param++)
+        {
+            if(set & FLUID_CHORPARAM_TO_SETFLAG(param))
+            {
+                fx[fx_group].chorus_param[param] = values[param];
+            }
+        }
+    }
+}
+
+/**
+ * get one chorus shadow parameter for one fx group.
+ * (see fluid_rvoice_mixer_set_chorus_full())
+ *
+ * @param mixer that contains all fx groups units.
+ * @param fx_group index of the fx group to get parameter from.
+ *  must be in the range [0..mixer->fx_units[.
+ * @param get Flags indicating which parameter to get (#fluid_chorus_set_t)
+ * @return the parameter value (0.0 is returned if error)
+ */
+double
+fluid_rvoice_mixer_chorus_get_param(const fluid_rvoice_mixer_t *mixer,
+                                    int fx_group, int param)
+{
+    return mixer->fx[fx_group].chorus_param[param];
+}
+
+/* @deprecated: use fluid_rvoice_mixer_reverb_enable instead */
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_mixer_set_reverb_enabled)
+{
+    fluid_rvoice_mixer_t *mixer = obj;
+    int on = param[0].i;
+
+    mixer->with_reverb = on;
+}
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_mixer_reverb_enable)
+{
+    fluid_rvoice_mixer_t *mixer = obj;
+    int fx_group = param[0].i; /* reverb fx group index */
+    int on = param[1].i;       /* on/off */
+
+    int nr_units = mixer->fx_units;
+
+    /* does on/off must be applied only to fx group at index fx_group ? */
+    if(fx_group >= 0)
+    {
+        mixer->fx[fx_group].reverb_on = on;
+    }
+    /* on/off must be applied to all fx groups */
+    else
+    {
+        for(fx_group = 0; fx_group < nr_units; fx_group++)
+        {
+            mixer->fx[fx_group].reverb_on = on;
+        }
+    }
+
+    /* set with_reverb if at least one reverb unit is on */
+    for(fx_group = 0; fx_group < nr_units; fx_group++)
+    {
+        on = mixer->fx[fx_group].reverb_on;
+
+        if(on)
+        {
+            break;
+        }
+    }
+
+    mixer->with_reverb = on;
+}
+
+/* @deprecated: use fluid_rvoice_mixer_chorus_enable instead */
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_mixer_set_chorus_enabled)
+{
+    fluid_rvoice_mixer_t *mixer = obj;
+    int on = param[0].i;
+    mixer->with_chorus = on;
+}
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_mixer_chorus_enable)
+{
+    fluid_rvoice_mixer_t *mixer = obj;
+    int fx_group = param[0].i; /* chorus fx group index */
+    int on = param[1].i;       /* on/off */
+
+    int nr_units = mixer->fx_units;
+
+    /* does on/off must be applied only to fx group at index fx_group ? */
+    if(fx_group >= 0)
+    {
+        mixer->fx[fx_group].chorus_on = on;
+    }
+    /* on/off must be applied to all fx groups */
+    else
+    {
+        for(fx_group = 0; fx_group < nr_units; fx_group++)
+        {
+            mixer->fx[fx_group].chorus_on = on;
+        }
+    }
+
+    /* set with_chorus if at least one chorus unit is on */
+    for(fx_group = 0; fx_group < nr_units; fx_group++)
+    {
+        on = mixer->fx[fx_group].chorus_on;
+
+        if(on)
+        {
+            break;
+        }
+    }
+
+    mixer->with_chorus = on;
+}
+
+void fluid_rvoice_mixer_set_mix_fx(fluid_rvoice_mixer_t *mixer, int on)
+{
+    mixer->mix_fx_to_out = on;
+}
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_mixer_set_chorus_params)
+{
+    fluid_rvoice_mixer_t *mixer = obj;
+    int i = param[0].i;
+    int set = param[1].i;
+    int nr = param[2].i;
+    fluid_real_t level = param[3].real;
+    fluid_real_t speed = param[4].real;
+    fluid_real_t depth_ms = param[5].real;
+    int type = param[6].i;
+
+    int nr_units = mixer->fx_units;
+
+    /* does parameters must be applied only to fx group i ? */
+    if(i >= 0)
+    {
+        nr_units = i + 1;
+    }
+    else
+    {
+        i = 0; /* parameters must be applied to all fx groups */
+    }
+
+    while(i < nr_units)
+    {
+        fluid_chorus_set(mixer->fx[i++].chorus, set, nr, level, speed, depth_ms, type);
+    }
+}
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_mixer_set_reverb_params)
+{
+    fluid_rvoice_mixer_t *mixer = obj;
+    int i = param[0].i; /* fx group index */
+    int set = param[1].i;
+    fluid_real_t roomsize = param[2].real;
+    fluid_real_t damping = param[3].real;
+    fluid_real_t width = param[4].real;
+    fluid_real_t level = param[5].real;
+
+    int nr_units = mixer->fx_units;
+
+    /* does parameters change should be applied only to fx group i ? */
+    if(i >= 0)
+    {
+        nr_units = i + 1; /* parameters change must be applied to fx groups i */
+    }
+    else
+    {
+        i = 0; /* parameters change must be applied to all fx groups */
+    }
+
+    while(i < nr_units)
+    {
+        fluid_revmodel_set(mixer->fx[i++].reverb, set, roomsize, damping, width, level);
+    }
+}
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_mixer_reset_reverb)
+{
+    fluid_rvoice_mixer_t *mixer = obj;
+    int i;
+
+    for(i = 0; i < mixer->fx_units; i++)
+    {
+        fluid_revmodel_reset(mixer->fx[i].reverb);
+    }
+}
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_mixer_reset_chorus)
+{
+    fluid_rvoice_mixer_t *mixer = obj;
+    int i;
+
+    for(i = 0; i < mixer->fx_units; i++)
+    {
+        fluid_chorus_reset(mixer->fx[i].chorus);
+    }
+}
+
+int fluid_rvoice_mixer_get_bufs(fluid_rvoice_mixer_t *mixer,
+                                fluid_real_t **left, fluid_real_t **right)
+{
+    *left = fluid_align_ptr(mixer->buffers.left_buf, FLUID_DEFAULT_ALIGNMENT);
+    *right = fluid_align_ptr(mixer->buffers.right_buf, FLUID_DEFAULT_ALIGNMENT);
+    return mixer->buffers.buf_count;
+}
+
+int fluid_rvoice_mixer_get_fx_bufs(fluid_rvoice_mixer_t *mixer,
+                                   fluid_real_t **fx_left, fluid_real_t **fx_right)
+{
+    *fx_left = fluid_align_ptr(mixer->buffers.fx_left_buf, FLUID_DEFAULT_ALIGNMENT);
+    *fx_right = fluid_align_ptr(mixer->buffers.fx_right_buf, FLUID_DEFAULT_ALIGNMENT);
+    return mixer->buffers.fx_buf_count;
+}
+
+int fluid_rvoice_mixer_get_bufcount(fluid_rvoice_mixer_t *mixer)
+{
+    return FLUID_MIXER_MAX_BUFFERS_DEFAULT;
+}
+
+#if WITH_PROFILING
+int fluid_rvoice_mixer_get_active_voices(fluid_rvoice_mixer_t *mixer)
+{
+    return mixer->active_voices;
+}
+#endif
+
+#if ENABLE_MIXER_THREADS
+
+static FLUID_INLINE fluid_rvoice_t *
+fluid_mixer_get_mt_rvoice(fluid_rvoice_mixer_t *mixer)
+{
+    int i = fluid_atomic_int_exchange_and_add(&mixer->current_rvoice, 1);
+
+    if(i >= mixer->active_voices)
+    {
+        return NULL;
+    }
+
+    return mixer->rvoices[i];
+}
+
+#define THREAD_BUF_PROCESSING 0
+#define THREAD_BUF_VALID 1
+#define THREAD_BUF_NODATA 2
+#define THREAD_BUF_TERMINATE 3
+
+/* Core thread function (processes voices in parallel to primary synthesis thread) */
+static fluid_thread_return_t
+fluid_mixer_thread_func(void *data)
+{
+    fluid_mixer_buffers_t *buffers = data;
+    fluid_rvoice_mixer_t *mixer = buffers->mixer;
+    int hasValidData = 0;
+    FLUID_DECLARE_VLA(fluid_real_t *, bufs, buffers->buf_count * 2 + buffers->fx_buf_count * 2);
+    int bufcount = 0;
+    int current_blockcount = 0;
+    fluid_real_t *local_buf = fluid_align_ptr(buffers->local_buf, FLUID_DEFAULT_ALIGNMENT);
+
+    while(!fluid_atomic_int_get(&mixer->threads_should_terminate))
+    {
+        fluid_rvoice_t *rvoice = fluid_mixer_get_mt_rvoice(mixer);
+
+        if(rvoice == NULL)
+        {
+            // if no voices: signal rendered buffers, sleep
+            fluid_atomic_int_set(&buffers->ready, hasValidData ? THREAD_BUF_VALID : THREAD_BUF_NODATA);
+            fluid_cond_mutex_lock(mixer->thread_ready_m);
+            fluid_cond_signal(mixer->thread_ready);
+            fluid_cond_mutex_unlock(mixer->thread_ready_m);
+
+            fluid_cond_mutex_lock(mixer->wakeup_threads_m);
+
+            while(1)
+            {
+                int j = fluid_atomic_int_get(&buffers->ready);
+
+                if(j == THREAD_BUF_PROCESSING || j == THREAD_BUF_TERMINATE)
+                {
+                    break;
+                }
+
+                fluid_cond_wait(mixer->wakeup_threads, mixer->wakeup_threads_m);
+            }
+
+            fluid_cond_mutex_unlock(mixer->wakeup_threads_m);
+
+            hasValidData = 0;
+        }
+        else
+        {
+            // else: if buffer is not zeroed, zero buffers
+            if(!hasValidData)
+            {
+                // blockcount may have changed, since thread was put to sleep
+                current_blockcount = mixer->current_blockcount;
+                fluid_mixer_buffers_zero(buffers, current_blockcount);
+                bufcount = fluid_mixer_buffers_prepare(buffers, bufs);
+                hasValidData = 1;
+            }
+
+            // then render voice to buffers
+            fluid_mixer_buffers_render_one(buffers, rvoice, bufs, bufcount, local_buf, current_blockcount);
+        }
+    }
+
+    return FLUID_THREAD_RETURN_VALUE;
+}
+
+static void
+fluid_mixer_buffers_mix(fluid_mixer_buffers_t *dst, fluid_mixer_buffers_t *src, int current_blockcount)
+{
+    int i, j;
+    int scount = current_blockcount * FLUID_BUFSIZE;
+    int minbuf;
+    fluid_real_t *FLUID_RESTRICT base_src;
+    fluid_real_t *FLUID_RESTRICT base_dst;
+
+    minbuf = dst->buf_count;
+
+    if(minbuf > src->buf_count)
+    {
+        minbuf = src->buf_count;
+    }
+
+    base_src = fluid_align_ptr(src->left_buf, FLUID_DEFAULT_ALIGNMENT);
+    base_dst = fluid_align_ptr(dst->left_buf, FLUID_DEFAULT_ALIGNMENT);
+
+    for(i = 0; i < minbuf; i++)
+    {
+        #pragma omp simd aligned(base_dst,base_src:FLUID_DEFAULT_ALIGNMENT)
+
+        for(j = 0; j < scount; j++)
+        {
+            int dsp_i = i * FLUID_MIXER_MAX_BUFFERS_DEFAULT * FLUID_BUFSIZE + j;
+            base_dst[dsp_i] += base_src[dsp_i];
+        }
+    }
+
+    base_src = fluid_align_ptr(src->right_buf, FLUID_DEFAULT_ALIGNMENT);
+    base_dst = fluid_align_ptr(dst->right_buf, FLUID_DEFAULT_ALIGNMENT);
+
+    for(i = 0; i < minbuf; i++)
+    {
+        #pragma omp simd aligned(base_dst,base_src:FLUID_DEFAULT_ALIGNMENT)
+
+        for(j = 0; j < scount; j++)
+        {
+            int dsp_i = i * FLUID_MIXER_MAX_BUFFERS_DEFAULT * FLUID_BUFSIZE + j;
+            base_dst[dsp_i] += base_src[dsp_i];
+        }
+    }
+
+    minbuf = dst->fx_buf_count;
+
+    if(minbuf > src->fx_buf_count)
+    {
+        minbuf = src->fx_buf_count;
+    }
+
+    base_src = fluid_align_ptr(src->fx_left_buf, FLUID_DEFAULT_ALIGNMENT);
+    base_dst = fluid_align_ptr(dst->fx_left_buf, FLUID_DEFAULT_ALIGNMENT);
+
+    for(i = 0; i < minbuf; i++)
+    {
+        #pragma omp simd aligned(base_dst,base_src:FLUID_DEFAULT_ALIGNMENT)
+
+        for(j = 0; j < scount; j++)
+        {
+            int dsp_i = i * FLUID_MIXER_MAX_BUFFERS_DEFAULT * FLUID_BUFSIZE + j;
+            base_dst[dsp_i] += base_src[dsp_i];
+        }
+    }
+
+    base_src = fluid_align_ptr(src->fx_right_buf, FLUID_DEFAULT_ALIGNMENT);
+    base_dst = fluid_align_ptr(dst->fx_right_buf, FLUID_DEFAULT_ALIGNMENT);
+
+    for(i = 0; i < minbuf; i++)
+    {
+        #pragma omp simd aligned(base_dst,base_src:FLUID_DEFAULT_ALIGNMENT)
+
+        for(j = 0; j < scount; j++)
+        {
+            int dsp_i = i * FLUID_MIXER_MAX_BUFFERS_DEFAULT * FLUID_BUFSIZE + j;
+            base_dst[dsp_i] += base_src[dsp_i];
+        }
+    }
+}
+
+
+/**
+ * Go through all threads and see if someone is finished for mixing
+ */
+static int
+fluid_mixer_mix_in(fluid_rvoice_mixer_t *mixer, int extra_threads, int current_blockcount)
+{
+    int i, result, hasmixed;
+
+    do
+    {
+        hasmixed = 0;
+        result = 0;
+
+        for(i = 0; i < extra_threads; i++)
+        {
+            int j = fluid_atomic_int_get(&mixer->threads[i].ready);
+
+            switch(j)
+            {
+            case THREAD_BUF_PROCESSING:
+                result = 1;
+                break;
+
+            case THREAD_BUF_VALID:
+                fluid_atomic_int_set(&mixer->threads[i].ready, THREAD_BUF_NODATA);
+                fluid_mixer_buffers_mix(&mixer->buffers, &mixer->threads[i], current_blockcount);
+                hasmixed = 1;
+                break;
+            }
+        }
+    }
+    while(hasmixed);
+
+    return result;
+}
+
+static void
+fluid_render_loop_multithread(fluid_rvoice_mixer_t *mixer, int current_blockcount)
+{
+    int i, bufcount;
+    fluid_real_t *local_buf = fluid_align_ptr(mixer->buffers.local_buf, FLUID_DEFAULT_ALIGNMENT);
+
+    FLUID_DECLARE_VLA(fluid_real_t *, bufs,
+                      mixer->buffers.buf_count * 2 + mixer->buffers.fx_buf_count * 2);
+    // How many threads should we start this time?
+    int extra_threads = mixer->active_voices / VOICES_PER_THREAD;
+
+    if(extra_threads > mixer->thread_count)
+    {
+        extra_threads = mixer->thread_count;
+    }
+
+    if(extra_threads == 0)
+    {
+        // No extra threads? No thread overhead!
+        fluid_render_loop_singlethread(mixer, current_blockcount);
+        return;
+    }
+
+    bufcount = fluid_mixer_buffers_prepare(&mixer->buffers, bufs);
+
+    // Prepare voice list
+    fluid_cond_mutex_lock(mixer->wakeup_threads_m);
+    fluid_atomic_int_set(&mixer->current_rvoice, 0);
+
+    for(i = 0; i < extra_threads; i++)
+    {
+        fluid_atomic_int_set(&mixer->threads[i].ready, THREAD_BUF_PROCESSING);
+    }
+
+    // Signal threads to wake up
+    fluid_cond_broadcast(mixer->wakeup_threads);
+    fluid_cond_mutex_unlock(mixer->wakeup_threads_m);
+
+    // If thread is finished, mix it in
+    while(fluid_mixer_mix_in(mixer, extra_threads, current_blockcount))
+    {
+        // Otherwise get a voice and render it
+        fluid_rvoice_t *rvoice = fluid_mixer_get_mt_rvoice(mixer);
+
+        if(rvoice != NULL)
+        {
+            fluid_profile_ref_var(prof_ref);
+            fluid_mixer_buffers_render_one(&mixer->buffers, rvoice, bufs, bufcount, local_buf, current_blockcount);
+            fluid_profile(FLUID_PROF_ONE_BLOCK_VOICE, prof_ref, 1,
+                          current_blockcount * FLUID_BUFSIZE);
+            //test++;
+        }
+        else
+        {
+            // If no voices, wait for mixes. Make sure one is still processing to avoid deadlock
+            int is_processing = 0;
+            //waits++;
+            fluid_cond_mutex_lock(mixer->thread_ready_m);
+
+            for(i = 0; i < extra_threads; i++)
+            {
+                if(fluid_atomic_int_get(&mixer->threads[i].ready) ==
+                        THREAD_BUF_PROCESSING)
+                {
+                    is_processing = 1;
+                }
+            }
+
+            if(is_processing)
+            {
+                fluid_cond_wait(mixer->thread_ready, mixer->thread_ready_m);
+            }
+
+            fluid_cond_mutex_unlock(mixer->thread_ready_m);
+        }
+    }
+
+    //FLUID_LOG(FLUID_DBG, "Blockcount: %d, mixed %d of %d voices myself, waits = %d",
+    //	    current_blockcount, test, mixer->active_voices, waits);
+}
+
+static void delete_rvoice_mixer_threads(fluid_rvoice_mixer_t *mixer)
+{
+    int i;
+
+    // if no threads have been created yet (e.g. because a previous error prevented creation of threads
+    // mutexes and condition variables), skip terminating threads
+    if(mixer->thread_count != 0)
+    {
+        fluid_atomic_int_set(&mixer->threads_should_terminate, 1);
+        // Signal threads to wake up
+        fluid_cond_mutex_lock(mixer->wakeup_threads_m);
+
+        for(i = 0; i < mixer->thread_count; i++)
+        {
+            fluid_atomic_int_set(&mixer->threads[i].ready, THREAD_BUF_TERMINATE);
+        }
+
+        fluid_cond_broadcast(mixer->wakeup_threads);
+        fluid_cond_mutex_unlock(mixer->wakeup_threads_m);
+
+        for(i = 0; i < mixer->thread_count; i++)
+        {
+            if(mixer->threads[i].thread)
+            {
+                fluid_thread_join(mixer->threads[i].thread);
+                delete_fluid_thread(mixer->threads[i].thread);
+            }
+
+            fluid_mixer_buffers_free(&mixer->threads[i]);
+        }
+    }
+
+    FLUID_FREE(mixer->threads);
+    mixer->thread_count = 0;
+    mixer->threads = NULL;
+}
+
+/**
+ * Update amount of extra mixer threads.
+ * @param thread_count Number of extra mixer threads for multi-core rendering
+ * @param prio_level real-time prio level for the extra mixer threads
+ */
+static int fluid_rvoice_mixer_set_threads(fluid_rvoice_mixer_t *mixer, int thread_count, int prio_level)
+{
+    char name[16];
+    int i;
+
+    // Kill all existing threads first
+    if(mixer->thread_count)
+    {
+        delete_rvoice_mixer_threads(mixer);
+    }
+
+    if(thread_count == 0)
+    {
+        return FLUID_OK;
+    }
+
+    // Now prepare the new threads
+    fluid_atomic_int_set(&mixer->threads_should_terminate, 0);
+    mixer->threads = FLUID_ARRAY(fluid_mixer_buffers_t, thread_count);
+
+    if(mixer->threads == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return FLUID_FAILED;
+    }
+
+    FLUID_MEMSET(mixer->threads, 0, thread_count * sizeof(fluid_mixer_buffers_t));
+    mixer->thread_count = thread_count;
+
+    for(i = 0; i < thread_count; i++)
+    {
+        fluid_mixer_buffers_t *b = &mixer->threads[i];
+
+        if(!fluid_mixer_buffers_init(b, mixer))
+        {
+            return FLUID_FAILED;
+        }
+
+        fluid_atomic_int_set(&b->ready, THREAD_BUF_NODATA);
+        FLUID_SNPRINTF(name, sizeof(name), "mixer%d", i);
+        b->thread = new_fluid_thread(name, fluid_mixer_thread_func, b, prio_level, 0);
+
+        if(!b->thread)
+        {
+            return FLUID_FAILED;
+        }
+    }
+
+    return FLUID_OK;
+}
+#endif
+
+/**
+ * Synthesize audio into buffers
+ * @param blockcount number of blocks to render, each having FLUID_BUFSIZE samples
+ * @return number of blocks rendered
+ */
+int
+fluid_rvoice_mixer_render(fluid_rvoice_mixer_t *mixer, int blockcount)
+{
+    fluid_profile_ref_var(prof_ref);
+
+    mixer->current_blockcount = blockcount;
+
+    // Zero buffers
+    fluid_mixer_buffers_zero(&mixer->buffers, blockcount);
+    fluid_profile(FLUID_PROF_ONE_BLOCK_CLEAR, prof_ref, mixer->active_voices,
+                  blockcount * FLUID_BUFSIZE);
+
+#if ENABLE_MIXER_THREADS
+
+    if(mixer->thread_count > 0)
+    {
+        fluid_render_loop_multithread(mixer, blockcount);
+    }
+    else
+#endif
+    {
+        fluid_render_loop_singlethread(mixer, blockcount);
+    }
+
+    fluid_profile(FLUID_PROF_ONE_BLOCK_VOICES, prof_ref, mixer->active_voices,
+                  blockcount * FLUID_BUFSIZE);
+
+
+    // Process reverb & chorus
+    fluid_rvoice_mixer_process_fx(mixer, blockcount);
+
+    // Call the callback and pack active voice array
+    fluid_rvoice_mixer_process_finished_voices(mixer);
+
+    return blockcount;
+}
diff --git a/libs/fluidsynth/src/rvoice/fluid_rvoice_mixer.h b/libs/fluidsynth/src/rvoice/fluid_rvoice_mixer.h
new file mode 100644
index 00000000000..63a456ce19e
--- /dev/null
+++ b/libs/fluidsynth/src/rvoice/fluid_rvoice_mixer.h
@@ -0,0 +1,88 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+
+#ifndef _FLUID_RVOICE_MIXER_H
+#define _FLUID_RVOICE_MIXER_H
+
+#include "fluidsynth_priv.h"
+#include "fluid_rvoice.h"
+#include "fluid_ladspa.h"
+
+typedef struct _fluid_rvoice_mixer_t fluid_rvoice_mixer_t;
+
+int fluid_rvoice_mixer_render(fluid_rvoice_mixer_t *mixer, int blockcount);
+int fluid_rvoice_mixer_get_bufs(fluid_rvoice_mixer_t *mixer,
+                                fluid_real_t **left, fluid_real_t **right);
+int fluid_rvoice_mixer_get_fx_bufs(fluid_rvoice_mixer_t *mixer,
+                                   fluid_real_t **fx_left, fluid_real_t **fx_right);
+int fluid_rvoice_mixer_get_bufcount(fluid_rvoice_mixer_t *mixer);
+#if WITH_PROFILING
+int fluid_rvoice_mixer_get_active_voices(fluid_rvoice_mixer_t *mixer);
+#endif
+fluid_rvoice_mixer_t *new_fluid_rvoice_mixer(int buf_count, int fx_buf_count, int fx_units,
+        fluid_real_t sample_rate_max, fluid_real_t sample_rate,
+        fluid_rvoice_eventhandler_t *, int, int);
+
+void delete_fluid_rvoice_mixer(fluid_rvoice_mixer_t *);
+
+void
+fluid_rvoice_mixer_set_reverb_full(const fluid_rvoice_mixer_t *mixer,
+                                   int fx_group, int set, const double values[]);
+
+double
+fluid_rvoice_mixer_reverb_get_param(const fluid_rvoice_mixer_t *mixer,
+                                    int fx_group, int param);
+void
+fluid_rvoice_mixer_set_chorus_full(const fluid_rvoice_mixer_t *mixer,
+                                   int fx_group, int set, const double values[]);
+double
+fluid_rvoice_mixer_chorus_get_param(const fluid_rvoice_mixer_t *mixer,
+                                    int fx_group, int param);
+
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_mixer_add_voice);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_mixer_set_samplerate);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_mixer_set_polyphony);
+
+/* @deprecated */
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_mixer_set_chorus_enabled);
+/* @deprecated */
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_mixer_set_reverb_enabled);
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_mixer_reverb_enable);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_mixer_chorus_enable);
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_mixer_set_chorus_params);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_mixer_set_reverb_params);
+
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_mixer_reset_reverb);
+DECLARE_FLUID_RVOICE_FUNCTION(fluid_rvoice_mixer_reset_chorus);
+
+
+
+void fluid_rvoice_mixer_set_mix_fx(fluid_rvoice_mixer_t *mixer, int on);
+#ifdef LADSPA
+void fluid_rvoice_mixer_set_ladspa(fluid_rvoice_mixer_t *mixer,
+                                   fluid_ladspa_fx_t *ladspa_fx, int audio_groups);
+#endif
+
+#endif
+
diff --git a/libs/fluidsynth/src/sfloader/fluid_defsfont.c b/libs/fluidsynth/src/sfloader/fluid_defsfont.c
new file mode 100644
index 00000000000..129867d0f0c
--- /dev/null
+++ b/libs/fluidsynth/src/sfloader/fluid_defsfont.c
@@ -0,0 +1,2372 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * SoundFont file loading code borrowed from Smurf SoundFont Editor
+ * Copyright (C) 1999-2001 Josh Green
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+
+#include "fluid_defsfont.h"
+#include "fluid_sfont.h"
+#include "fluid_sys.h"
+#include "fluid_synth.h"
+#include "fluid_samplecache.h"
+#include "fluid_chan.h"
+
+/* EMU8k/10k hardware applies this factor to initial attenuation generator values set at preset and
+ * instrument level in a soundfont. We apply this factor when loading the generator values to stay
+ * compatible as most existing soundfonts expect exactly this (strange, non-standard) behaviour. */
+#define EMU_ATTENUATION_FACTOR (0.4f)
+
+/* Dynamic sample loading functions */
+static int pin_preset_samples(fluid_defsfont_t *defsfont, fluid_preset_t *preset);
+static int unpin_preset_samples(fluid_defsfont_t *defsfont, fluid_preset_t *preset);
+static int load_preset_samples(fluid_defsfont_t *defsfont, fluid_preset_t *preset);
+static int unload_preset_samples(fluid_defsfont_t *defsfont, fluid_preset_t *preset);
+static void unload_sample(fluid_sample_t *sample);
+static int dynamic_samples_preset_notify(fluid_preset_t *preset, int reason, int chan);
+static int dynamic_samples_sample_notify(fluid_sample_t *sample, int reason);
+static int fluid_preset_zone_create_voice_zones(fluid_preset_zone_t *preset_zone);
+static fluid_inst_t *find_inst_by_idx(fluid_defsfont_t *defsfont, int idx);
+
+
+/***************************************************************
+ *
+ *                           SFONT LOADER
+ */
+
+/**
+ * Creates a default soundfont2 loader that can be used with fluid_synth_add_sfloader().
+ * By default every synth instance has an initial default soundfont loader instance.
+ * Calling this function is usually only necessary to load a soundfont from memory, by providing custom callback functions via fluid_sfloader_set_callbacks().
+ *
+ * @param settings A settings instance obtained by new_fluid_settings()
+ * @return A default soundfont2 loader struct
+ */
+fluid_sfloader_t *new_fluid_defsfloader(fluid_settings_t *settings)
+{
+    fluid_sfloader_t *loader;
+    fluid_return_val_if_fail(settings != NULL, NULL);
+
+    loader = new_fluid_sfloader(fluid_defsfloader_load, delete_fluid_sfloader);
+
+    if(loader == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return NULL;
+    }
+
+    fluid_sfloader_set_data(loader, settings);
+
+    return loader;
+}
+
+fluid_sfont_t *fluid_defsfloader_load(fluid_sfloader_t *loader, const char *filename)
+{
+    fluid_defsfont_t *defsfont;
+    fluid_sfont_t *sfont;
+
+    defsfont = new_fluid_defsfont(fluid_sfloader_get_data(loader));
+
+    if(defsfont == NULL)
+    {
+        return NULL;
+    }
+
+    sfont = new_fluid_sfont(fluid_defsfont_sfont_get_name,
+                            fluid_defsfont_sfont_get_preset,
+                            fluid_defsfont_sfont_iteration_start,
+                            fluid_defsfont_sfont_iteration_next,
+                            fluid_defsfont_sfont_delete);
+
+    if(sfont == NULL)
+    {
+        delete_fluid_defsfont(defsfont);
+        return NULL;
+    }
+
+    fluid_sfont_set_data(sfont, defsfont);
+
+    defsfont->sfont = sfont;
+
+    if(fluid_defsfont_load(defsfont, &loader->file_callbacks, filename) == FLUID_FAILED)
+    {
+        fluid_defsfont_sfont_delete(sfont);
+        return NULL;
+    }
+
+    return sfont;
+}
+
+
+
+/***************************************************************
+ *
+ *                           PUBLIC INTERFACE
+ */
+
+int fluid_defsfont_sfont_delete(fluid_sfont_t *sfont)
+{
+    if(delete_fluid_defsfont(fluid_sfont_get_data(sfont)) != FLUID_OK)
+    {
+        return -1;
+    }
+
+    delete_fluid_sfont(sfont);
+    return 0;
+}
+
+const char *fluid_defsfont_sfont_get_name(fluid_sfont_t *sfont)
+{
+    return fluid_defsfont_get_name(fluid_sfont_get_data(sfont));
+}
+
+fluid_preset_t *
+fluid_defsfont_sfont_get_preset(fluid_sfont_t *sfont, int bank, int prenum)
+{
+    return fluid_defsfont_get_preset(fluid_sfont_get_data(sfont), bank, prenum);
+}
+
+void fluid_defsfont_sfont_iteration_start(fluid_sfont_t *sfont)
+{
+    fluid_defsfont_iteration_start(fluid_sfont_get_data(sfont));
+}
+
+fluid_preset_t *fluid_defsfont_sfont_iteration_next(fluid_sfont_t *sfont)
+{
+    return fluid_defsfont_iteration_next(fluid_sfont_get_data(sfont));
+}
+
+void fluid_defpreset_preset_delete(fluid_preset_t *preset)
+{
+    fluid_defsfont_t *defsfont;
+    fluid_defpreset_t *defpreset;
+
+    defsfont = fluid_sfont_get_data(preset->sfont);
+    defpreset = fluid_preset_get_data(preset);
+
+    if(defsfont)
+    {
+        defsfont->preset = fluid_list_remove(defsfont->preset, defpreset);
+    }
+
+    delete_fluid_defpreset(defpreset);
+    delete_fluid_preset(preset);
+}
+
+const char *fluid_defpreset_preset_get_name(fluid_preset_t *preset)
+{
+    return fluid_defpreset_get_name(fluid_preset_get_data(preset));
+}
+
+int fluid_defpreset_preset_get_banknum(fluid_preset_t *preset)
+{
+    return fluid_defpreset_get_banknum(fluid_preset_get_data(preset));
+}
+
+int fluid_defpreset_preset_get_num(fluid_preset_t *preset)
+{
+    return fluid_defpreset_get_num(fluid_preset_get_data(preset));
+}
+
+int fluid_defpreset_preset_noteon(fluid_preset_t *preset, fluid_synth_t *synth,
+                                  int chan, int key, int vel)
+{
+    return fluid_defpreset_noteon(fluid_preset_get_data(preset), synth, chan, key, vel);
+}
+
+
+/***************************************************************
+ *
+ *                           SFONT
+ */
+
+/*
+ * new_fluid_defsfont
+ */
+fluid_defsfont_t *new_fluid_defsfont(fluid_settings_t *settings)
+{
+    fluid_defsfont_t *defsfont;
+
+    defsfont = FLUID_NEW(fluid_defsfont_t);
+
+    if(defsfont == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return NULL;
+    }
+
+    FLUID_MEMSET(defsfont, 0, sizeof(*defsfont));
+
+    fluid_settings_getint(settings, "synth.lock-memory", &defsfont->mlock);
+    fluid_settings_getint(settings, "synth.dynamic-sample-loading", &defsfont->dynamic_samples);
+
+    return defsfont;
+}
+
+/*
+ * delete_fluid_defsfont
+ */
+int delete_fluid_defsfont(fluid_defsfont_t *defsfont)
+{
+    fluid_list_t *list;
+    fluid_preset_t *preset;
+    fluid_sample_t *sample;
+
+    fluid_return_val_if_fail(defsfont != NULL, FLUID_OK);
+
+    /* If we use dynamic sample loading, make sure we unpin any
+     * pinned presets before removing this soundfont */
+    if(defsfont->dynamic_samples)
+    {
+        for(list = defsfont->preset; list; list = fluid_list_next(list))
+        {
+            preset = (fluid_preset_t *)fluid_list_get(list);
+            unpin_preset_samples(defsfont, preset);
+        }
+    }
+
+    /* Check that no samples are currently used */
+    for(list = defsfont->sample; list; list = fluid_list_next(list))
+    {
+        sample = (fluid_sample_t *) fluid_list_get(list);
+
+        if(sample->refcount != 0)
+        {
+            return FLUID_FAILED;
+        }
+    }
+
+    if(defsfont->filename != NULL)
+    {
+        FLUID_FREE(defsfont->filename);
+    }
+
+    for(list = defsfont->sample; list; list = fluid_list_next(list))
+    {
+        sample = (fluid_sample_t *) fluid_list_get(list);
+
+        /* If the sample data pointer is different to the sampledata chunk of
+         * the soundfont, then the sample has been loaded individually (SF3)
+         * and needs to be unloaded explicitly. This is safe even if using
+         * dynamic sample loading, as the sample_unload mechanism sets
+         * sample->data to NULL after unload. */
+        if ((sample->data != NULL) && (sample->data != defsfont->sampledata))
+        {
+            fluid_samplecache_unload(sample->data);
+        }
+        delete_fluid_sample(sample);
+    }
+
+    if(defsfont->sample)
+    {
+        delete_fluid_list(defsfont->sample);
+    }
+
+    if(defsfont->sampledata != NULL)
+    {
+        fluid_samplecache_unload(defsfont->sampledata);
+    }
+
+    for(list = defsfont->preset; list; list = fluid_list_next(list))
+    {
+        preset = (fluid_preset_t *)fluid_list_get(list);
+        fluid_defpreset_preset_delete(preset);
+    }
+
+    delete_fluid_list(defsfont->preset);
+
+    for(list = defsfont->inst; list; list = fluid_list_next(list))
+    {
+        delete_fluid_inst(fluid_list_get(list));
+    }
+
+    delete_fluid_list(defsfont->inst);
+
+    FLUID_FREE(defsfont);
+    return FLUID_OK;
+}
+
+/*
+ * fluid_defsfont_get_name
+ */
+const char *fluid_defsfont_get_name(fluid_defsfont_t *defsfont)
+{
+    return defsfont->filename;
+}
+
+/* Load sample data for a single sample from the Soundfont file.
+ * Returns FLUID_OK on error, otherwise FLUID_FAILED
+ */
+int fluid_defsfont_load_sampledata(fluid_defsfont_t *defsfont, SFData *sfdata, fluid_sample_t *sample)
+{
+    int num_samples;
+    unsigned int source_end = sample->source_end;
+
+    /* For uncompressed samples we want to include the 46 zero sample word area following each sample
+     * in the Soundfont. Otherwise samples with loopend > end, which we have decided not to correct, would
+     * be corrected after all in fluid_sample_sanitize_loop */
+    if(!(sample->sampletype & FLUID_SAMPLETYPE_OGG_VORBIS))
+    {
+        source_end += 46;  /* Length of zero sample word after each sample, according to SF specs */
+
+        /* Safeguard against Soundfonts that are not quite valid and don't include 46 sample words after the
+         * last sample */
+        if(source_end >= (defsfont->samplesize  / sizeof(short)))
+        {
+            source_end = defsfont->samplesize  / sizeof(short);
+        }
+    }
+
+    num_samples = fluid_samplecache_load(
+                      sfdata, sample->source_start, source_end, sample->sampletype,
+                      defsfont->mlock, &sample->data, &sample->data24);
+
+    if(num_samples < 0)
+    {
+        return FLUID_FAILED;
+    }
+
+    if(num_samples == 0)
+    {
+        sample->start = sample->end = 0;
+        sample->loopstart = sample->loopend = 0;
+        return FLUID_OK;
+    }
+
+    /* Ogg Vorbis samples already have loop pointers relative to the individual decompressed sample,
+     * but SF2 samples are relative to sample chunk start, so they need to be adjusted */
+    if(!(sample->sampletype & FLUID_SAMPLETYPE_OGG_VORBIS))
+    {
+        sample->loopstart = sample->source_loopstart - sample->source_start;
+        sample->loopend = sample->source_loopend - sample->source_start;
+    }
+
+    /* As we've just loaded an individual sample into it's own buffer, we need to adjust the start
+     * and end pointers */
+    sample->start = 0;
+    sample->end = num_samples - 1;
+
+    return FLUID_OK;
+}
+
+/* Loads the sample data for all samples from the Soundfont file. For SF2 files, it loads the data in
+ * one large block. For SF3 files, each compressed sample gets loaded individually.
+ * Returns FLUID_OK on success, otherwise FLUID_FAILED
+ */
+int fluid_defsfont_load_all_sampledata(fluid_defsfont_t *defsfont, SFData *sfdata)
+{
+    fluid_list_t *list;
+    fluid_sample_t *sample;
+    int sf3_file = (sfdata->version.major == 3);
+    int sample_parsing_result = FLUID_OK;
+    int invalid_loops_were_sanitized = FALSE;
+
+    /* For SF2 files, we load the sample data in one large block */
+    if(!sf3_file)
+    {
+        int read_samples;
+        int num_samples = sfdata->samplesize / sizeof(short);
+
+        read_samples = fluid_samplecache_load(sfdata, 0, num_samples - 1, 0, defsfont->mlock,
+                                              &defsfont->sampledata, &defsfont->sample24data);
+
+        if(read_samples != num_samples)
+        {
+            FLUID_LOG(FLUID_ERR, "Attempted to read %d words of sample data, but got %d instead",
+                      num_samples, read_samples);
+            return FLUID_FAILED;
+        }
+    }
+
+    #pragma omp parallel
+    #pragma omp single
+    for(list = defsfont->sample; list; list = fluid_list_next(list))
+    {
+        sample = fluid_list_get(list);
+
+        if(sf3_file)
+        {
+            /* SF3 samples get loaded individually, as most (or all) of them are in Ogg Vorbis format
+             * anyway */
+            #pragma omp task firstprivate(sample,sfdata,defsfont) shared(sample_parsing_result, invalid_loops_were_sanitized) default(none)
+            {
+                if(fluid_defsfont_load_sampledata(defsfont, sfdata, sample) == FLUID_FAILED)
+                {
+                    #pragma omp critical
+                    {
+                        FLUID_LOG(FLUID_ERR, "Failed to load sample '%s'", sample->name);
+                        sample_parsing_result = FLUID_FAILED;
+                    }
+                }
+                else
+                {
+                    int modified = fluid_sample_sanitize_loop(sample, (sample->end + 1) * sizeof(short));
+                    if(modified)
+                    {
+                        #pragma omp critical
+                        {
+                            invalid_loops_were_sanitized = TRUE;
+                        }
+                    }
+                    fluid_voice_optimize_sample(sample);
+                }
+            }
+        }
+        else
+        {
+            #pragma omp task firstprivate(sample, defsfont) shared(invalid_loops_were_sanitized) default(none)
+            {
+                int modified;
+                /* Data pointers of SF2 samples point to large sample data block loaded above */
+                sample->data = defsfont->sampledata;
+                sample->data24 = defsfont->sample24data;
+                modified = fluid_sample_sanitize_loop(sample, defsfont->samplesize);
+                if(modified)
+                {
+                    #pragma omp critical
+                    {
+                        invalid_loops_were_sanitized = TRUE;
+                    }
+                }
+                fluid_voice_optimize_sample(sample);
+            }
+        }
+    }
+
+    if(invalid_loops_were_sanitized)
+    {
+        FLUID_LOG(FLUID_WARN,
+                  "Some invalid sample loops were sanitized! If you experience audible glitches, "
+                  "start fluidsynth in verbose mode for detailed information.");
+    }
+
+    return sample_parsing_result;
+}
+
+/*
+ * fluid_defsfont_load
+ */
+int fluid_defsfont_load(fluid_defsfont_t *defsfont, const fluid_file_callbacks_t *fcbs, const char *file)
+{
+    SFData *sfdata;
+    fluid_list_t *p;
+    SFPreset *sfpreset;
+    SFSample *sfsample;
+    fluid_sample_t *sample;
+    fluid_defpreset_t *defpreset = NULL;
+
+    defsfont->filename = FLUID_STRDUP(file);
+
+    if(defsfont->filename == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return FLUID_FAILED;
+    }
+
+    defsfont->fcbs = fcbs;
+
+    /* The actual loading is done in the sfont and sffile files */
+    sfdata = fluid_sffile_open(file, fcbs);
+
+    if(sfdata == NULL)
+    {
+        /* error message already printed */
+        return FLUID_FAILED;
+    }
+
+    if(fluid_sffile_parse_presets(sfdata) == FLUID_FAILED)
+    {
+        FLUID_LOG(FLUID_ERR, "Couldn't parse presets from soundfont file");
+        goto err_exit;
+    }
+
+    /* Keep track of the position and size of the sample data because
+       it's loaded separately (and might be unoaded/reloaded in future) */
+    defsfont->samplepos = sfdata->samplepos;
+    defsfont->samplesize = sfdata->samplesize;
+    defsfont->sample24pos = sfdata->sample24pos;
+    defsfont->sample24size = sfdata->sample24size;
+
+    /* Create all samples from sample headers */
+    p = sfdata->sample;
+
+    while(p != NULL)
+    {
+        sfsample = (SFSample *)fluid_list_get(p);
+
+        sample = new_fluid_sample();
+
+        if(sample == NULL)
+        {
+            goto err_exit;
+        }
+
+        if(fluid_sample_import_sfont(sample, sfsample, defsfont) == FLUID_OK)
+        {
+            fluid_defsfont_add_sample(defsfont, sample);
+        }
+        else
+        {
+            delete_fluid_sample(sample);
+            sample = NULL;
+        }
+
+        /* Store reference to FluidSynth sample in SFSample for later IZone fixups */
+        sfsample->fluid_sample = sample;
+
+        p = fluid_list_next(p);
+    }
+
+    /* If dynamic sample loading is disabled, load all samples in the Soundfont */
+    if(!defsfont->dynamic_samples)
+    {
+        if(fluid_defsfont_load_all_sampledata(defsfont, sfdata) == FLUID_FAILED)
+        {
+            FLUID_LOG(FLUID_ERR, "Unable to load all sample data");
+            goto err_exit;
+        }
+    }
+
+    /* Load all the presets */
+    p = sfdata->preset;
+
+    while(p != NULL)
+    {
+        sfpreset = (SFPreset *)fluid_list_get(p);
+        defpreset = new_fluid_defpreset();
+
+        if(defpreset == NULL)
+        {
+            goto err_exit;
+        }
+
+        if(fluid_defpreset_import_sfont(defpreset, sfpreset, defsfont, sfdata) != FLUID_OK)
+        {
+            goto err_exit;
+        }
+
+        if(fluid_defsfont_add_preset(defsfont, defpreset) == FLUID_FAILED)
+        {
+            goto err_exit;
+        }
+
+        p = fluid_list_next(p);
+    }
+
+    fluid_sffile_close(sfdata);
+
+    return FLUID_OK;
+
+err_exit:
+    fluid_sffile_close(sfdata);
+    delete_fluid_defpreset(defpreset);
+    return FLUID_FAILED;
+}
+
+/* fluid_defsfont_add_sample
+ *
+ * Add a sample to the SoundFont
+ */
+int fluid_defsfont_add_sample(fluid_defsfont_t *defsfont, fluid_sample_t *sample)
+{
+    defsfont->sample = fluid_list_prepend(defsfont->sample, sample);
+    return FLUID_OK;
+}
+
+/* fluid_defsfont_add_preset
+ *
+ * Add a preset to the SoundFont
+ */
+int fluid_defsfont_add_preset(fluid_defsfont_t *defsfont, fluid_defpreset_t *defpreset)
+{
+    fluid_preset_t *preset;
+
+    preset = new_fluid_preset(defsfont->sfont,
+                              fluid_defpreset_preset_get_name,
+                              fluid_defpreset_preset_get_banknum,
+                              fluid_defpreset_preset_get_num,
+                              fluid_defpreset_preset_noteon,
+                              fluid_defpreset_preset_delete);
+
+    if(preset == NULL)
+    {
+        return FLUID_FAILED;
+    }
+
+    if(defsfont->dynamic_samples)
+    {
+        preset->notify = dynamic_samples_preset_notify;
+    }
+
+    fluid_preset_set_data(preset, defpreset);
+
+    defsfont->preset = fluid_list_append(defsfont->preset, preset);
+
+    return FLUID_OK;
+}
+
+/*
+ * fluid_defsfont_get_preset
+ */
+fluid_preset_t *fluid_defsfont_get_preset(fluid_defsfont_t *defsfont, int bank, int num)
+{
+    fluid_preset_t *preset;
+    fluid_list_t *list;
+
+    for(list = defsfont->preset; list != NULL; list = fluid_list_next(list))
+    {
+        preset = (fluid_preset_t *)fluid_list_get(list);
+
+        if((fluid_preset_get_banknum(preset) == bank) && (fluid_preset_get_num(preset) == num))
+        {
+            return preset;
+        }
+    }
+
+    return NULL;
+}
+
+/*
+ * fluid_defsfont_iteration_start
+ */
+void fluid_defsfont_iteration_start(fluid_defsfont_t *defsfont)
+{
+    defsfont->preset_iter_cur = defsfont->preset;
+}
+
+/*
+ * fluid_defsfont_iteration_next
+ */
+fluid_preset_t *fluid_defsfont_iteration_next(fluid_defsfont_t *defsfont)
+{
+    fluid_preset_t *preset = (fluid_preset_t *)fluid_list_get(defsfont->preset_iter_cur);
+
+    defsfont->preset_iter_cur = fluid_list_next(defsfont->preset_iter_cur);
+
+    return preset;
+}
+
+/***************************************************************
+ *
+ *                           PRESET
+ */
+
+/*
+ * new_fluid_defpreset
+ */
+fluid_defpreset_t *
+new_fluid_defpreset(void)
+{
+    fluid_defpreset_t *defpreset = FLUID_NEW(fluid_defpreset_t);
+
+    if(defpreset == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return NULL;
+    }
+
+    defpreset->next = NULL;
+    defpreset->name[0] = 0;
+    defpreset->bank = 0;
+    defpreset->num = 0;
+    defpreset->global_zone = NULL;
+    defpreset->zone = NULL;
+    defpreset->pinned = FALSE;
+    return defpreset;
+}
+
+/*
+ * delete_fluid_defpreset
+ */
+void
+delete_fluid_defpreset(fluid_defpreset_t *defpreset)
+{
+    fluid_preset_zone_t *zone;
+
+    fluid_return_if_fail(defpreset != NULL);
+
+    delete_fluid_preset_zone(defpreset->global_zone);
+    defpreset->global_zone = NULL;
+
+    zone = defpreset->zone;
+
+    while(zone != NULL)
+    {
+        defpreset->zone = zone->next;
+        delete_fluid_preset_zone(zone);
+        zone = defpreset->zone;
+    }
+
+    FLUID_FREE(defpreset);
+}
+
+int
+fluid_defpreset_get_banknum(fluid_defpreset_t *defpreset)
+{
+    return defpreset->bank;
+}
+
+int
+fluid_defpreset_get_num(fluid_defpreset_t *defpreset)
+{
+    return defpreset->num;
+}
+
+const char *
+fluid_defpreset_get_name(fluid_defpreset_t *defpreset)
+{
+    return defpreset->name;
+}
+
+/*
+ * fluid_defpreset_next
+ */
+fluid_defpreset_t *
+fluid_defpreset_next(fluid_defpreset_t *defpreset)
+{
+    return defpreset->next;
+}
+
+/*
+ * Adds global and local modulators list to the voice. This is done in 2 steps:
+ * - Step 1: Local modulators replace identical global modulators.
+ * - Step 2: global + local modulators are added to the voice using mode.
+ *
+ * Instrument zone list (local/global) must be added using FLUID_VOICE_OVERWRITE.
+ * Preset zone list (local/global) must be added using FLUID_VOICE_ADD.
+ *
+ * @param voice voice instance.
+ * @param global_mod global list of modulators.
+ * @param local_mod local list of modulators.
+ * @param mode Determines how to handle an existing identical modulator.
+ *   #FLUID_VOICE_ADD to add (offset) the modulator amounts,
+ *   #FLUID_VOICE_OVERWRITE to replace the modulator,
+*/
+static void
+fluid_defpreset_noteon_add_mod_to_voice(fluid_voice_t *voice,
+                                        fluid_mod_t *global_mod, fluid_mod_t *local_mod,
+                                        int mode)
+{
+    fluid_mod_t *mod;
+    /* list for 'sorting' global/local modulators */
+    fluid_mod_t *mod_list[FLUID_NUM_MOD];
+    int mod_list_count, i;
+
+    /* identity_limit_count is the modulator upper limit number to handle with
+     * existing identical modulators.
+     * When identity_limit_count is below the actual number of modulators, this
+     * will restrict identity check to this upper limit,
+     * This is useful when we know by advance that there is no duplicate with
+     * modulators at index above this limit. This avoid wasting cpu cycles at
+     * noteon.
+     */
+    int identity_limit_count;
+
+    /* Step 1: Local modulators replace identical global modulators. */
+
+    /* local (instrument zone/preset zone), modulators: Put them all into a list. */
+    mod_list_count = 0;
+
+    while(local_mod)
+    {
+        /* As modulators number in local_mod list was limited to FLUID_NUM_MOD at
+           soundfont loading time (fluid_limit_mod_list()), here we don't need
+           to check if mod_list is full.
+         */
+        mod_list[mod_list_count++] = local_mod;
+        local_mod = local_mod->next;
+    }
+
+    /* global (instrument zone/preset zone), modulators.
+     * Replace modulators with the same definition in the global list:
+     * (Instrument zone: SF 2.01 page 69, 'bullet' 8)
+     * (Preset zone:     SF 2.01 page 69, second-last bullet).
+     *
+     * mod_list contains local modulators. Now we know that there
+     * is no global modulator identical to another global modulator (this has
+     * been checked at soundfont loading time). So global modulators
+     * are only checked against local modulators number.
+     */
+
+    /* Restrict identity check to the number of local modulators */
+    identity_limit_count = mod_list_count;
+
+    while(global_mod)
+    {
+        /* 'Identical' global modulators are ignored.
+         *  SF2.01 section 9.5.1
+         *  page 69, 'bullet' 3 defines 'identical'.  */
+
+        for(i = 0; i < identity_limit_count; i++)
+        {
+            if(fluid_mod_test_identity(global_mod, mod_list[i]))
+            {
+                break;
+            }
+        }
+
+        /* Finally add the new modulator to the list. */
+        if(i >= identity_limit_count)
+        {
+            /* Although local_mod and global_mod lists was limited to
+               FLUID_NUM_MOD at soundfont loading time, it is possible that
+               local + global modulators exceeds FLUID_NUM_MOD.
+               So, checks if mod_list_count reaches the limit.
+            */
+            if(mod_list_count >= FLUID_NUM_MOD)
+            {
+                /* mod_list is full, we silently forget this modulator and
+                   next global modulators. When mod_list will be added to the
+                   voice, a warning will be displayed if the voice list is full.
+                   (see fluid_voice_add_mod_local()).
+                */
+                break;
+            }
+
+            mod_list[mod_list_count++] = global_mod;
+        }
+
+        global_mod = global_mod->next;
+    }
+
+    /* Step 2: global + local modulators are added to the voice using mode. */
+
+    /*
+     * mod_list contains local and global modulators, we know that:
+     * - there is no global modulator identical to another global modulator,
+     * - there is no local modulator identical to another local modulator,
+     * So these local/global modulators are only checked against
+     * actual number of voice modulators.
+     */
+
+    /* Restrict identity check to the actual number of voice modulators */
+    /* Actual number of voice modulators : defaults + [instruments] */
+    identity_limit_count = voice->mod_count;
+
+    for(i = 0; i < mod_list_count; i++)
+    {
+
+        mod = mod_list[i];
+        /* in mode FLUID_VOICE_OVERWRITE disabled instruments modulators CANNOT be skipped. */
+        /* in mode FLUID_VOICE_ADD disabled preset modulators can be skipped. */
+
+        if((mode == FLUID_VOICE_OVERWRITE) || (mod->amount != 0))
+        {
+            /* Instrument modulators -supersede- existing (default) modulators.
+               SF 2.01 page 69, 'bullet' 6 */
+
+            /* Preset modulators -add- to existing instrument modulators.
+               SF2.01 page 70 first bullet on page */
+            fluid_voice_add_mod_local(voice, mod, mode, identity_limit_count);
+        }
+    }
+}
+
+/*
+ * fluid_defpreset_noteon
+ */
+int
+fluid_defpreset_noteon(fluid_defpreset_t *defpreset, fluid_synth_t *synth, int chan, int key, int vel)
+{
+    fluid_preset_zone_t *preset_zone, *global_preset_zone;
+    fluid_inst_t *inst;
+    fluid_inst_zone_t *inst_zone, *global_inst_zone;
+    fluid_voice_zone_t *voice_zone;
+    fluid_list_t *list;
+    fluid_voice_t *voice;
+    int tuned_key;
+    int i;
+
+    /* For detuned channels it might be better to use another key for Soundfont sample selection
+     * giving better approximations for the pitch than the original key.
+     * Example: play key 60 on 6370 Hz => use tuned key 64 for sample selection
+     *
+     * This feature is only enabled for melodic channels.
+     * For drum channels we always select Soundfont samples by key numbers.
+     */
+
+    if(synth->channel[chan]->channel_type == CHANNEL_TYPE_MELODIC)
+    {
+        tuned_key = (int)(fluid_channel_get_key_pitch(synth->channel[chan], key) / 100.0f + 0.5f);
+    }
+    else
+    {
+        tuned_key = key;
+    }
+
+    global_preset_zone = fluid_defpreset_get_global_zone(defpreset);
+
+    /* run thru all the zones of this preset */
+    preset_zone = fluid_defpreset_get_zone(defpreset);
+
+    while(preset_zone != NULL)
+    {
+
+        /* check if the note falls into the key and velocity range of this
+           preset */
+        if(fluid_zone_inside_range(&preset_zone->range, tuned_key, vel))
+        {
+
+            inst = fluid_preset_zone_get_inst(preset_zone);
+            global_inst_zone = fluid_inst_get_global_zone(inst);
+
+            /* run thru all the zones of this instrument that could start a voice */
+            for(list = preset_zone->voice_zone; list != NULL; list = fluid_list_next(list))
+            {
+                voice_zone = fluid_list_get(list);
+
+                /* check if the instrument zone is ignored and the note falls into
+                   the key and velocity range of this  instrument zone.
+                   An instrument zone must be ignored when its voice is already running
+                   played by a legato passage (see fluid_synth_noteon_monopoly_legato()) */
+                if(fluid_zone_inside_range(&voice_zone->range, tuned_key, vel))
+                {
+
+                    inst_zone = voice_zone->inst_zone;
+
+                    /* this is a good zone. allocate a new synthesis process and initialize it */
+                    voice = fluid_synth_alloc_voice_LOCAL(synth, inst_zone->sample, chan, key, vel, &voice_zone->range);
+
+                    if(voice == NULL)
+                    {
+                        return FLUID_FAILED;
+                    }
+
+
+                    /* Instrument level, generators */
+
+                    for(i = 0; i < GEN_LAST; i++)
+                    {
+
+                        /* SF 2.01 section 9.4 'bullet' 4:
+                         *
+                         * A generator in a local instrument zone supersedes a
+                         * global instrument zone generator.  Both cases supersede
+                         * the default generator -> voice_gen_set */
+
+                        if(inst_zone->gen[i].flags)
+                        {
+                            fluid_voice_gen_set(voice, i, inst_zone->gen[i].val);
+
+                        }
+                        else if((global_inst_zone != NULL) && (global_inst_zone->gen[i].flags))
+                        {
+                            fluid_voice_gen_set(voice, i, global_inst_zone->gen[i].val);
+
+                        }
+                        else
+                        {
+                            /* The generator has not been defined in this instrument.
+                             * Do nothing, leave it at the default.
+                             */
+                        }
+
+                    } /* for all generators */
+
+                    /* Adds instrument zone modulators (global and local) to the voice.*/
+                    fluid_defpreset_noteon_add_mod_to_voice(voice,
+                                                            /* global instrument modulators */
+                                                            global_inst_zone ? global_inst_zone->mod : NULL,
+                                                            inst_zone->mod, /* local instrument modulators */
+                                                            FLUID_VOICE_OVERWRITE); /* mode */
+
+                    /* Preset level, generators */
+
+                    for(i = 0; i < GEN_LAST; i++)
+                    {
+
+                        /* SF 2.01 section 8.5 page 58: If some generators are
+                         encountered at preset level, they should be ignored.
+                         However this check is not necessary when the soundfont
+                         loader has ignored invalid preset generators.
+                         Actually load_pgen()has ignored these invalid preset
+                         generators:
+                           GEN_STARTADDROFS,      GEN_ENDADDROFS,
+                           GEN_STARTLOOPADDROFS,  GEN_ENDLOOPADDROFS,
+                           GEN_STARTADDRCOARSEOFS,GEN_ENDADDRCOARSEOFS,
+                           GEN_STARTLOOPADDRCOARSEOFS,
+                           GEN_KEYNUM, GEN_VELOCITY,
+                           GEN_ENDLOOPADDRCOARSEOFS,
+                           GEN_SAMPLEMODE, GEN_EXCLUSIVECLASS,GEN_OVERRIDEROOTKEY
+                        */
+
+                        /* SF 2.01 section 9.4 'bullet' 9: A generator in a
+                         * local preset zone supersedes a global preset zone
+                         * generator.  The effect is -added- to the destination
+                         * summing node -> voice_gen_incr */
+
+                        if(preset_zone->gen[i].flags)
+                        {
+                            fluid_voice_gen_incr(voice, i, preset_zone->gen[i].val);
+                        }
+                        else if((global_preset_zone != NULL) && global_preset_zone->gen[i].flags)
+                        {
+                            fluid_voice_gen_incr(voice, i, global_preset_zone->gen[i].val);
+                        }
+                        else
+                        {
+                            /* The generator has not been defined in this preset
+                             * Do nothing, leave it unchanged.
+                             */
+                        }
+                    } /* for all generators */
+
+                    /* Adds preset zone modulators (global and local) to the voice.*/
+                    fluid_defpreset_noteon_add_mod_to_voice(voice,
+                                                            /* global preset modulators */
+                                                            global_preset_zone ? global_preset_zone->mod : NULL,
+                                                            preset_zone->mod, /* local preset modulators */
+                                                            FLUID_VOICE_ADD); /* mode */
+
+                    /* add the synthesis process to the synthesis loop. */
+                    fluid_synth_start_voice(synth, voice);
+
+                    /* Store the ID of the first voice that was created by this noteon event.
+                     * Exclusive class may only terminate older voices.
+                     * That avoids killing voices, which have just been created.
+                     * (a noteon event can create several voice processes with the same exclusive
+                     * class - for example when using stereo samples)
+                     */
+                }
+            }
+        }
+
+        preset_zone = fluid_preset_zone_next(preset_zone);
+    }
+
+    return FLUID_OK;
+}
+
+/*
+ * fluid_defpreset_set_global_zone
+ */
+int
+fluid_defpreset_set_global_zone(fluid_defpreset_t *defpreset, fluid_preset_zone_t *zone)
+{
+    defpreset->global_zone = zone;
+    return FLUID_OK;
+}
+
+/*
+ * fluid_defpreset_import_sfont
+ */
+int
+fluid_defpreset_import_sfont(fluid_defpreset_t *defpreset,
+                             SFPreset *sfpreset,
+                             fluid_defsfont_t *defsfont,
+                             SFData *sfdata)
+{
+    fluid_list_t *p;
+    SFZone *sfzone;
+    fluid_preset_zone_t *zone;
+    int count;
+    char zone_name[256];
+
+    if(FLUID_STRLEN(sfpreset->name) > 0)
+    {
+        FLUID_STRCPY(defpreset->name, sfpreset->name);
+    }
+    else
+    {
+        FLUID_SNPRINTF(defpreset->name, sizeof(defpreset->name), "Bank%d,Pre%d", sfpreset->bank, sfpreset->prenum);
+    }
+
+    defpreset->bank = sfpreset->bank;
+    defpreset->num = sfpreset->prenum;
+    p = sfpreset->zone;
+    count = 0;
+
+    while(p != NULL)
+    {
+        sfzone = (SFZone *)fluid_list_get(p);
+        FLUID_SNPRINTF(zone_name, sizeof(zone_name), "pz:%s/%d", defpreset->name, count);
+        zone = new_fluid_preset_zone(zone_name);
+
+        if(zone == NULL)
+        {
+            return FLUID_FAILED;
+        }
+
+        if(fluid_preset_zone_import_sfont(zone, defpreset->global_zone, sfzone, defsfont, sfdata) != FLUID_OK)
+        {
+            delete_fluid_preset_zone(zone);
+            return FLUID_FAILED;
+        }
+
+        if((count == 0) && (fluid_preset_zone_get_inst(zone) == NULL))
+        {
+            fluid_defpreset_set_global_zone(defpreset, zone);
+        }
+        else if(fluid_defpreset_add_zone(defpreset, zone) != FLUID_OK)
+        {
+            delete_fluid_preset_zone(zone);
+            return FLUID_FAILED;
+        }
+
+        p = fluid_list_next(p);
+        count++;
+    }
+
+    return FLUID_OK;
+}
+
+/*
+ * fluid_defpreset_add_zone
+ */
+int
+fluid_defpreset_add_zone(fluid_defpreset_t *defpreset, fluid_preset_zone_t *zone)
+{
+    if(defpreset->zone == NULL)
+    {
+        zone->next = NULL;
+        defpreset->zone = zone;
+    }
+    else
+    {
+        zone->next = defpreset->zone;
+        defpreset->zone = zone;
+    }
+
+    return FLUID_OK;
+}
+
+/*
+ * fluid_defpreset_get_zone
+ */
+fluid_preset_zone_t *
+fluid_defpreset_get_zone(fluid_defpreset_t *defpreset)
+{
+    return defpreset->zone;
+}
+
+/*
+ * fluid_defpreset_get_global_zone
+ */
+fluid_preset_zone_t *
+fluid_defpreset_get_global_zone(fluid_defpreset_t *defpreset)
+{
+    return defpreset->global_zone;
+}
+
+/***************************************************************
+ *
+ *                           PRESET_ZONE
+ */
+
+/*
+ * fluid_preset_zone_next
+ */
+fluid_preset_zone_t *
+fluid_preset_zone_next(fluid_preset_zone_t *zone)
+{
+    return zone->next;
+}
+
+/*
+ * new_fluid_preset_zone
+ */
+fluid_preset_zone_t *
+new_fluid_preset_zone(char *name)
+{
+    fluid_preset_zone_t *zone = NULL;
+    zone = FLUID_NEW(fluid_preset_zone_t);
+
+    if(zone == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return NULL;
+    }
+
+    zone->next = NULL;
+    zone->voice_zone = NULL;
+    zone->name = FLUID_STRDUP(name);
+
+    if(zone->name == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        FLUID_FREE(zone);
+        return NULL;
+    }
+
+    zone->inst = NULL;
+    zone->range.keylo = 0;
+    zone->range.keyhi = 128;
+    zone->range.vello = 0;
+    zone->range.velhi = 128;
+    zone->range.ignore = FALSE;
+
+    /* Flag all generators as unused (default, they will be set when they are found
+     * in the sound font).
+     * This also sets the generator values to default, but that is of no concern here.*/
+    fluid_gen_init(&zone->gen[0], NULL);
+    zone->mod = NULL; /* list of modulators */
+    return zone;
+}
+
+/*
+ * delete list of modulators.
+ */
+void delete_fluid_list_mod(fluid_mod_t *mod)
+{
+    fluid_mod_t *tmp;
+
+    while(mod)	/* delete the modulators */
+    {
+        tmp = mod;
+        mod = mod->next;
+        delete_fluid_mod(tmp);
+    }
+}
+
+/*
+ * delete_fluid_preset_zone
+ */
+void
+delete_fluid_preset_zone(fluid_preset_zone_t *zone)
+{
+    fluid_list_t *list;
+
+    fluid_return_if_fail(zone != NULL);
+
+    delete_fluid_list_mod(zone->mod);
+
+    for(list = zone->voice_zone; list != NULL; list = fluid_list_next(list))
+    {
+        FLUID_FREE(fluid_list_get(list));
+    }
+
+    delete_fluid_list(zone->voice_zone);
+
+    FLUID_FREE(zone->name);
+    FLUID_FREE(zone);
+}
+
+static int fluid_preset_zone_create_voice_zones(fluid_preset_zone_t *preset_zone)
+{
+    fluid_inst_zone_t *inst_zone;
+    fluid_sample_t *sample;
+    fluid_voice_zone_t *voice_zone;
+    fluid_zone_range_t *irange;
+    fluid_zone_range_t *prange = &preset_zone->range;
+
+    fluid_return_val_if_fail(preset_zone->inst != NULL, FLUID_FAILED);
+
+    inst_zone = fluid_inst_get_zone(preset_zone->inst);
+
+    while(inst_zone != NULL)
+    {
+
+        /* We only create voice ranges for zones that could actually start a voice,
+         * i.e. that have a sample and don't point to ROM */
+        sample = fluid_inst_zone_get_sample(inst_zone);
+
+        if((sample == NULL) || fluid_sample_in_rom(sample))
+        {
+            inst_zone = fluid_inst_zone_next(inst_zone);
+            continue;
+        }
+
+        voice_zone = FLUID_NEW(fluid_voice_zone_t);
+
+        if(voice_zone == NULL)
+        {
+            FLUID_LOG(FLUID_ERR, "Out of memory");
+            return FLUID_FAILED;
+        }
+
+        voice_zone->inst_zone = inst_zone;
+
+        irange = &inst_zone->range;
+
+        voice_zone->range.keylo = (prange->keylo > irange->keylo) ? prange->keylo : irange->keylo;
+        voice_zone->range.keyhi = (prange->keyhi < irange->keyhi) ? prange->keyhi : irange->keyhi;
+        voice_zone->range.vello = (prange->vello > irange->vello) ? prange->vello : irange->vello;
+        voice_zone->range.velhi = (prange->velhi < irange->velhi) ? prange->velhi : irange->velhi;
+        voice_zone->range.ignore = FALSE;
+
+        preset_zone->voice_zone = fluid_list_append(preset_zone->voice_zone, voice_zone);
+
+        inst_zone = fluid_inst_zone_next(inst_zone);
+    }
+
+    return FLUID_OK;
+}
+
+/**
+ * Checks if modulator mod is identical to another modulator in the list
+ * (specs SF 2.0X  7.4, 7.8).
+ * @param mod, modulator list.
+ * @param name, if not NULL, pointer on a string displayed as warning.
+ * @return TRUE if mod is identical to another modulator, FALSE otherwise.
+ */
+static int
+fluid_zone_is_mod_identical(fluid_mod_t *mod, char *name)
+{
+    fluid_mod_t *next = mod->next;
+
+    while(next)
+    {
+        /* is mod identical to next ? */
+        if(fluid_mod_test_identity(mod, next))
+        {
+            if(name)
+            {
+                FLUID_LOG(FLUID_WARN, "Ignoring identical modulator %s", name);
+            }
+
+            return TRUE;
+        }
+
+        next = next->next;
+    }
+
+    return FALSE;
+}
+
+/**
+ * Limits the number of modulators in a modulator list.
+ * This is appropriate to internal synthesizer modulators tables
+ * which have a fixed size (FLUID_NUM_MOD).
+ *
+ * @param zone_name, zone name
+ * @param list_mod, address of pointer on modulator list.
+ */
+static void fluid_limit_mod_list(char *zone_name, fluid_mod_t **list_mod)
+{
+    int mod_idx = 0; /* modulator index */
+    fluid_mod_t *prev_mod = NULL; /* previous modulator in list_mod */
+    fluid_mod_t *mod = *list_mod; /* first modulator in list_mod */
+
+    while(mod)
+    {
+        if((mod_idx + 1) > FLUID_NUM_MOD)
+        {
+            /* truncation of list_mod */
+            if(mod_idx)
+            {
+                prev_mod->next = NULL;
+            }
+            else
+            {
+                *list_mod = NULL;
+            }
+
+            delete_fluid_list_mod(mod);
+            FLUID_LOG(FLUID_WARN, "%s, modulators count limited to %d", zone_name,
+                      FLUID_NUM_MOD);
+            break;
+        }
+
+        mod_idx++;
+        prev_mod = mod;
+        mod = mod->next;
+    }
+}
+
+/**
+ * Checks and remove invalid modulators from a zone modulators list.
+ * - checks valid modulator sources (specs SF 2.01  7.4, 7.8, 8.2.1).
+ * - checks identical modulators in the list (specs SF 2.01  7.4, 7.8).
+ * @param zone_name, zone name.
+ * @param list_mod, address of pointer on modulators list.
+ */
+static void
+fluid_zone_check_mod(char *zone_name, fluid_mod_t **list_mod)
+{
+    fluid_mod_t *prev_mod = NULL; /* previous modulator in list_mod */
+    fluid_mod_t *mod = *list_mod; /* first modulator in list_mod */
+    int mod_idx = 0; /* modulator index */
+
+    while(mod)
+    {
+        char zone_mod_name[256];
+        fluid_mod_t *next = mod->next;
+
+        /* prepare modulator name: zonename/#modulator */
+        FLUID_SNPRINTF(zone_mod_name, sizeof(zone_mod_name), "%s/mod%d", zone_name, mod_idx);
+
+        /* has mod invalid sources ? */
+        if(!fluid_mod_check_sources(mod,  zone_mod_name)
+                /* or is mod identical to any following modulator ? */
+                || fluid_zone_is_mod_identical(mod, zone_mod_name))
+        {
+            /* the modulator is useless so we remove it */
+            if(prev_mod)
+            {
+                prev_mod->next = next;
+            }
+            else
+            {
+                *list_mod = next;
+            }
+
+            delete_fluid_mod(mod); /* freeing */
+        }
+        else
+        {
+            prev_mod = mod;
+        }
+
+        mod = next;
+        mod_idx++;
+    }
+
+    /* limits the size of modulators list */
+    fluid_limit_mod_list(zone_name, list_mod);
+}
+
+/*
+ * fluid_zone_gen_import_sfont
+ * Imports generators from sfzone to gen and range.
+ * @param gen, pointer on destination generators table.
+ * @param range, pointer on destination range generators.
+ * @param sfzone, pointer on soundfont zone generators.
+ */
+static void
+fluid_zone_gen_import_sfont(fluid_gen_t *gen, fluid_zone_range_t *range, fluid_zone_range_t *global_range, SFZone *sfzone)
+{
+    fluid_list_t *r;
+    SFGen *sfgen;
+
+    if(global_range != NULL)
+    {
+        // All zones are initialized with the default range of 0-127. However, local zones should be superseded by
+        // the range of their global zone in case that local zone lacks a GEN_KEYRANGE or GEN_VELRANGE
+        // (see issue #1250).
+        range->keylo = global_range->keylo;
+        range->keyhi = global_range->keyhi;
+        range->vello = global_range->vello;
+        range->velhi = global_range->velhi;
+    }
+
+    for(r = sfzone->gen; r != NULL;)
+    {
+        sfgen = (SFGen *)fluid_list_get(r);
+
+        switch(sfgen->id)
+        {
+        case GEN_KEYRANGE:
+            range->keylo = sfgen->amount.range.lo;
+            range->keyhi = sfgen->amount.range.hi;
+            break;
+
+        case GEN_VELRANGE:
+            range->vello = sfgen->amount.range.lo;
+            range->velhi = sfgen->amount.range.hi;
+            break;
+
+        case GEN_ATTENUATION:
+            /* EMU8k/10k hardware applies a scale factor to initial attenuation generator values set at
+             * preset and instrument level */
+            gen[sfgen->id].val = (fluid_real_t) sfgen->amount.sword * EMU_ATTENUATION_FACTOR;
+            gen[sfgen->id].flags = GEN_SET;
+            break;
+
+        case GEN_INSTRUMENT:
+        case GEN_SAMPLEID:
+            gen[sfgen->id].val = (fluid_real_t) sfgen->amount.uword;
+            gen[sfgen->id].flags = GEN_SET;
+            break;
+
+        default:
+            gen[sfgen->id].val = (fluid_real_t) sfgen->amount.sword;
+            gen[sfgen->id].flags = GEN_SET;
+            break;
+        }
+
+        r = fluid_list_next(r);
+    }
+}
+
+/*
+ * fluid_zone_mod_source_import_sfont
+ * Imports source information from sf_source to src and flags.
+ * @param src, pointer on destination modulator source.
+ * @param flags, pointer on destination modulator flags.
+ * @param sf_source, soundfont modulator source.
+ * @return return TRUE if success, FALSE if source type is unknown.
+ */
+static int
+fluid_zone_mod_source_import_sfont(unsigned char *src, unsigned char *flags, unsigned short sf_source)
+{
+    int type;
+    unsigned char flags_dest; /* destination flags */
+
+    /* sources */
+    *src = sf_source & 127; /* index of source, seven-bit value, SF2.01 section 8.2, page 50 */
+
+    /* Bit 7: CC flag SF 2.01 section 8.2.1 page 50*/
+    flags_dest = 0;
+
+    if(sf_source & (1 << 7))
+    {
+        flags_dest |= FLUID_MOD_CC;
+    }
+    else
+    {
+        flags_dest |= FLUID_MOD_GC;
+    }
+
+    /* Bit 8: D flag SF 2.01 section 8.2.2 page 51*/
+    if(sf_source & (1 << 8))
+    {
+        flags_dest |= FLUID_MOD_NEGATIVE;
+    }
+    else
+    {
+        flags_dest |= FLUID_MOD_POSITIVE;
+    }
+
+    /* Bit 9: P flag SF 2.01 section 8.2.3 page 51*/
+    if(sf_source & (1 << 9))
+    {
+        flags_dest |= FLUID_MOD_BIPOLAR;
+    }
+    else
+    {
+        flags_dest |= FLUID_MOD_UNIPOLAR;
+    }
+
+    /* modulator source types: SF2.01 section 8.2.1 page 52 */
+    type = sf_source >> 10;
+    type &= 63; /* type is a 6-bit value */
+
+    if(type == 0)
+    {
+        flags_dest |= FLUID_MOD_LINEAR;
+    }
+    else if(type == 1)
+    {
+        flags_dest |= FLUID_MOD_CONCAVE;
+    }
+    else if(type == 2)
+    {
+        flags_dest |= FLUID_MOD_CONVEX;
+    }
+    else if(type == 3)
+    {
+        flags_dest |= FLUID_MOD_SWITCH;
+    }
+    else
+    {
+        *flags = flags_dest;
+        /* This shouldn't happen - unknown type! */
+        return FALSE;
+    }
+
+    *flags = flags_dest;
+    return TRUE;
+}
+
+/*
+ * fluid_zone_mod_import_sfont
+ * Imports modulators from sfzone to modulators list mod.
+ * @param zone_name, zone name.
+ * @param mod, address of pointer on modulators list to return.
+ * @param sfzone, pointer on soundfont zone.
+ * @return FLUID_OK if success, FLUID_FAILED otherwise.
+ */
+static int
+fluid_zone_mod_import_sfont(char *zone_name, fluid_mod_t **mod, SFZone *sfzone)
+{
+    fluid_list_t *r;
+    int count;
+
+    /* Import the modulators (only SF2.1 and higher) */
+    for(count = 0, r = sfzone->mod; r != NULL; count++)
+    {
+
+        SFMod *mod_src = (SFMod *)fluid_list_get(r);
+        fluid_mod_t *mod_dest = new_fluid_mod();
+
+        if(mod_dest == NULL)
+        {
+            return FLUID_FAILED;
+        }
+
+        mod_dest->next = NULL; /* pointer to next modulator, this is the end of the list now.*/
+
+        /* *** Amount *** */
+        mod_dest->amount = mod_src->amount;
+
+        /* *** Source *** */
+        if(!fluid_zone_mod_source_import_sfont(&mod_dest->src1, &mod_dest->flags1, mod_src->src))
+        {
+            /* This shouldn't happen - unknown type!
+             * Deactivate the modulator by setting the amount to 0. */
+            mod_dest->amount = 0;
+        }  
+
+        /* Note: When primary source input (src1) is set to General Controller 'No Controller',
+           output will be forced to 0.0 at synthesis time (see fluid_mod_get_value()).
+           That means that the minimum value of the modulator will be always 0.0.
+           We need to force amount value to 0 to ensure a correct evaluation of the minimum
+           value later (see fluid_voice_get_lower_boundary_for_attenuation()).
+        */
+        if(((mod_dest->flags1 & FLUID_MOD_CC) == FLUID_MOD_GC) && 
+            (mod_dest->src1 == FLUID_MOD_NONE))
+        {
+            mod_dest->amount = 0;
+        }
+
+        /* *** Dest *** */
+        mod_dest->dest = mod_src->dest; /* index of controlled generator */
+
+        /* *** Amount source *** */
+        if(!fluid_zone_mod_source_import_sfont(&mod_dest->src2, &mod_dest->flags2, mod_src->amtsrc))
+        {
+            /* This shouldn't happen - unknown type!
+             * Deactivate the modulator by setting the amount to 0. */
+            mod_dest->amount = 0;
+        }  
+        /* Note: When secondary source input (src2) is set to General Controller 'No Controller',
+           output will be forced to +1.0 at synthesis time (see fluid_mod_get_value()).
+           That means that this source will behave unipolar only. We need to force the
+           unipolar flag to ensure to ensure a correct evaluation of the minimum
+           value later (see fluid_voice_get_lower_boundary_for_attenuation()).
+        */
+        if(((mod_dest->flags2 & FLUID_MOD_CC) == FLUID_MOD_GC) && 
+            (mod_dest->src2 == FLUID_MOD_NONE))
+        {
+            mod_dest->flags2 &= ~FLUID_MOD_BIPOLAR;
+        }
+
+        /* *** Transform *** */
+        /* SF2.01 only uses the 'linear' transform (0).
+         * Deactivate the modulator by setting the amount to 0 in any other case.
+         */
+        if(mod_src->trans != 0)
+        {
+            mod_dest->amount = 0;
+        }
+
+        /* Store the new modulator in the zone The order of modulators
+         * will make a difference, at least in an instrument context: The
+         * second modulator overwrites the first one, if they only differ
+         * in amount. */
+        if(count == 0)
+        {
+            *mod = mod_dest;
+        }
+        else
+        {
+            fluid_mod_t *last_mod = *mod;
+
+            /* Find the end of the list */
+            while(last_mod->next != NULL)
+            {
+                last_mod = last_mod->next;
+            }
+
+            last_mod->next = mod_dest;
+        }
+
+        r = fluid_list_next(r);
+    } /* foreach modulator */
+
+    /* checks and removes invalid modulators in modulators list*/
+    fluid_zone_check_mod(zone_name, mod);
+    return FLUID_OK;
+}
+
+/*
+ * fluid_preset_zone_import_sfont
+ */
+int
+fluid_preset_zone_import_sfont(fluid_preset_zone_t *zone, fluid_preset_zone_t *global_zone, SFZone *sfzone, fluid_defsfont_t *defsfont, SFData *sfdata)
+{
+    /* import the generators */
+    fluid_zone_gen_import_sfont(zone->gen, &zone->range, global_zone ? &global_zone->range : NULL, sfzone);
+
+    if(zone->gen[GEN_INSTRUMENT].flags == GEN_SET)
+    {
+        int inst_idx = (int) zone->gen[GEN_INSTRUMENT].val;
+
+        zone->inst = find_inst_by_idx(defsfont, inst_idx);
+
+        if(zone->inst == NULL)
+        {
+            zone->inst = fluid_inst_import_sfont(inst_idx, defsfont, sfdata);
+        }
+
+        if(zone->inst == NULL)
+        {
+
+            FLUID_LOG(FLUID_ERR, "Preset zone %s: Invalid instrument reference",
+                    zone->name);
+            return FLUID_FAILED;
+        }
+
+        if(fluid_preset_zone_create_voice_zones(zone) == FLUID_FAILED)
+        {
+            return FLUID_FAILED;
+        }
+
+        /* We don't need this generator anymore */
+        zone->gen[GEN_INSTRUMENT].flags = GEN_UNUSED;
+    }
+
+    /* Import the modulators (only SF2.1 and higher) */
+    return fluid_zone_mod_import_sfont(zone->name, &zone->mod, sfzone);
+}
+
+/*
+ * fluid_preset_zone_get_inst
+ */
+fluid_inst_t *
+fluid_preset_zone_get_inst(fluid_preset_zone_t *zone)
+{
+    return zone->inst;
+}
+
+
+/***************************************************************
+ *
+ *                           INST
+ */
+
+/*
+ * new_fluid_inst
+ */
+fluid_inst_t *
+new_fluid_inst()
+{
+    fluid_inst_t *inst = FLUID_NEW(fluid_inst_t);
+
+    if(inst == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return NULL;
+    }
+
+    inst->name[0] = 0;
+    inst->global_zone = NULL;
+    inst->zone = NULL;
+    return inst;
+}
+
+/*
+ * delete_fluid_inst
+ */
+void
+delete_fluid_inst(fluid_inst_t *inst)
+{
+    fluid_inst_zone_t *zone;
+
+    fluid_return_if_fail(inst != NULL);
+
+    delete_fluid_inst_zone(inst->global_zone);
+    inst->global_zone = NULL;
+
+    zone = inst->zone;
+
+    while(zone != NULL)
+    {
+        inst->zone = zone->next;
+        delete_fluid_inst_zone(zone);
+        zone = inst->zone;
+    }
+
+    FLUID_FREE(inst);
+}
+
+/*
+ * fluid_inst_set_global_zone
+ */
+int
+fluid_inst_set_global_zone(fluid_inst_t *inst, fluid_inst_zone_t *zone)
+{
+    inst->global_zone = zone;
+    return FLUID_OK;
+}
+
+/*
+ * fluid_inst_import_sfont
+ */
+fluid_inst_t *
+fluid_inst_import_sfont(int inst_idx, fluid_defsfont_t *defsfont, SFData *sfdata)
+{
+    fluid_list_t *p;
+    fluid_list_t *inst_list;
+    fluid_inst_t *inst;
+    SFZone *sfzone;
+    SFInst *sfinst;
+    fluid_inst_zone_t *inst_zone;
+    char zone_name[256];
+    int count;
+
+    for (inst_list = sfdata->inst; inst_list; inst_list = fluid_list_next(inst_list))
+    {
+        sfinst = fluid_list_get(inst_list);
+        if (sfinst->idx == inst_idx)
+        {
+            break;
+        }
+    }
+    if (inst_list == NULL)
+    {
+        return NULL;
+    }
+
+    inst = (fluid_inst_t *) new_fluid_inst();
+
+    if(inst == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return NULL;
+    }
+
+    inst->source_idx = sfinst->idx;
+
+    p = sfinst->zone;
+
+    if(FLUID_STRLEN(sfinst->name) > 0)
+    {
+        FLUID_STRCPY(inst->name, sfinst->name);
+    }
+    else
+    {
+        FLUID_STRCPY(inst->name, "<untitled>");
+    }
+
+    count = 0;
+
+    while(p != NULL)
+    {
+
+        sfzone = (SFZone *)fluid_list_get(p);
+        /* instrument zone name */
+        FLUID_SNPRINTF(zone_name, sizeof(zone_name), "iz:%s/%d", inst->name, count);
+
+        inst_zone = new_fluid_inst_zone(zone_name);
+        if(inst_zone == NULL)
+        {
+            FLUID_LOG(FLUID_ERR, "Out of memory");
+            goto error;
+        }
+
+        if(fluid_inst_zone_import_sfont(inst_zone, inst->global_zone, sfzone, defsfont, sfdata) != FLUID_OK)
+        {
+            FLUID_LOG(FLUID_ERR, "fluid_inst_zone_import_sfont() failed for instrument %s", inst->name);
+            delete_fluid_inst_zone(inst_zone);
+            goto error;
+        }
+
+        if((count == 0) && (fluid_inst_zone_get_sample(inst_zone) == NULL))
+        {
+            fluid_inst_set_global_zone(inst, inst_zone);
+
+        }
+        else if(fluid_inst_add_zone(inst, inst_zone) != FLUID_OK)
+        {
+            FLUID_LOG(FLUID_ERR, "fluid_inst_add_zone() failed for instrument %s", inst->name);
+            delete_fluid_inst_zone(inst_zone);
+            goto error;
+        }
+
+        p = fluid_list_next(p);
+        count++;
+    }
+
+    defsfont->inst = fluid_list_append(defsfont->inst, inst);
+    return inst;
+
+error:
+    delete_fluid_inst(inst);
+    return NULL;
+}
+
+/*
+ * fluid_inst_add_zone
+ */
+int
+fluid_inst_add_zone(fluid_inst_t *inst, fluid_inst_zone_t *zone)
+{
+    if(inst->zone == NULL)
+    {
+        zone->next = NULL;
+        inst->zone = zone;
+    }
+    else
+    {
+        zone->next = inst->zone;
+        inst->zone = zone;
+    }
+
+    return FLUID_OK;
+}
+
+/*
+ * fluid_inst_get_zone
+ */
+fluid_inst_zone_t *
+fluid_inst_get_zone(fluid_inst_t *inst)
+{
+    return inst->zone;
+}
+
+/*
+ * fluid_inst_get_global_zone
+ */
+fluid_inst_zone_t *
+fluid_inst_get_global_zone(fluid_inst_t *inst)
+{
+    return inst->global_zone;
+}
+
+/***************************************************************
+ *
+ *                           INST_ZONE
+ */
+
+/*
+ * new_fluid_inst_zone
+ */
+fluid_inst_zone_t *
+new_fluid_inst_zone(char *name)
+{
+    fluid_inst_zone_t *zone = NULL;
+    zone = FLUID_NEW(fluid_inst_zone_t);
+
+    if(zone == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return NULL;
+    }
+
+    zone->next = NULL;
+    zone->name = FLUID_STRDUP(name);
+
+    if(zone->name == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        FLUID_FREE(zone);
+        return NULL;
+    }
+
+    zone->sample = NULL;
+    zone->range.keylo = 0;
+    zone->range.keyhi = 128;
+    zone->range.vello = 0;
+    zone->range.velhi = 128;
+    zone->range.ignore = FALSE;
+    /* Flag the generators as unused.
+     * This also sets the generator values to default, but they will be overwritten anyway, if used.*/
+    fluid_gen_init(&zone->gen[0], NULL);
+    zone->mod = NULL; /* list of modulators */
+    return zone;
+}
+
+/*
+ * delete_fluid_inst_zone
+ */
+void
+delete_fluid_inst_zone(fluid_inst_zone_t *zone)
+{
+    fluid_return_if_fail(zone != NULL);
+
+    delete_fluid_list_mod(zone->mod);
+
+    FLUID_FREE(zone->name);
+    FLUID_FREE(zone);
+}
+
+/*
+ * fluid_inst_zone_next
+ */
+fluid_inst_zone_t *
+fluid_inst_zone_next(fluid_inst_zone_t *zone)
+{
+    return zone->next;
+}
+
+/*
+ * fluid_inst_zone_import_sfont
+ */
+int
+fluid_inst_zone_import_sfont(fluid_inst_zone_t *inst_zone, fluid_inst_zone_t *global_inst_zone, SFZone *sfzone, fluid_defsfont_t *defsfont, SFData *sfdata)
+{
+    /* import the generators */
+    fluid_zone_gen_import_sfont(inst_zone->gen, &inst_zone->range, global_inst_zone ? &global_inst_zone->range : NULL, sfzone);
+
+    /* FIXME */
+    /*    if (zone->gen[GEN_EXCLUSIVECLASS].flags == GEN_SET) { */
+    /*      FLUID_LOG(FLUID_DBG, "ExclusiveClass=%d\n", (int) zone->gen[GEN_EXCLUSIVECLASS].val); */
+    /*    } */
+
+    if (inst_zone->gen[GEN_SAMPLEID].flags == GEN_SET)
+    {
+        fluid_list_t *list;
+        SFSample *sfsample;
+        int sample_idx = (int) inst_zone->gen[GEN_SAMPLEID].val;
+
+        /* find the SFSample by index */
+        for(list = sfdata->sample; list; list = fluid_list_next(list))
+        {
+            sfsample = fluid_list_get(list);
+            if (sfsample->idx == sample_idx)
+            {
+                break;
+            }
+        }
+        if (list == NULL)
+        {
+            FLUID_LOG(FLUID_ERR, "Instrument zone '%s': Invalid sample reference",
+                      inst_zone->name);
+            return FLUID_FAILED;
+        }
+
+        inst_zone->sample = sfsample->fluid_sample;
+
+        /* we don't need this generator anymore, mark it as unused */
+        inst_zone->gen[GEN_SAMPLEID].flags = GEN_UNUSED;
+    }
+
+    /* Import the modulators (only SF2.1 and higher) */
+    return fluid_zone_mod_import_sfont(inst_zone->name, &inst_zone->mod, sfzone);
+}
+
+/*
+ * fluid_inst_zone_get_sample
+ */
+fluid_sample_t *
+fluid_inst_zone_get_sample(fluid_inst_zone_t *zone)
+{
+    return zone->sample;
+}
+
+
+int
+fluid_zone_inside_range(fluid_zone_range_t *range, int key, int vel)
+{
+    /* ignoreInstrumentZone is set in mono legato playing */
+    int ignore_zone = range->ignore;
+
+    /* Reset the 'ignore' request */
+    range->ignore = FALSE;
+
+    return !ignore_zone && ((range->keylo <= key) &&
+                            (range->keyhi >= key) &&
+                            (range->vello <= vel) &&
+                            (range->velhi >= vel));
+}
+
+/***************************************************************
+ *
+ *                           SAMPLE
+ */
+
+/*
+ * fluid_sample_in_rom
+ */
+int
+fluid_sample_in_rom(fluid_sample_t *sample)
+{
+    return (sample->sampletype & FLUID_SAMPLETYPE_ROM);
+}
+
+
+/*
+ * fluid_sample_import_sfont
+ */
+int
+fluid_sample_import_sfont(fluid_sample_t *sample, SFSample *sfsample, fluid_defsfont_t *defsfont)
+{
+    FLUID_STRCPY(sample->name, sfsample->name);
+
+    sample->source_start = sfsample->start;
+    sample->source_end = (sfsample->end > 0) ? sfsample->end - 1 : 0; /* marks last sample, contrary to SF spec. */
+    sample->source_loopstart = sfsample->loopstart;
+    sample->source_loopend = sfsample->loopend;
+
+    sample->start = sample->source_start;
+    sample->end = sample->source_end;
+    sample->loopstart = sample->source_loopstart;
+    sample->loopend = sample->source_loopend;
+    sample->samplerate = sfsample->samplerate;
+    sample->origpitch = sfsample->origpitch;
+    sample->pitchadj = sfsample->pitchadj;
+    sample->sampletype = sfsample->sampletype;
+
+    if(defsfont->dynamic_samples)
+    {
+        sample->notify = dynamic_samples_sample_notify;
+    }
+
+    if(fluid_sample_validate(sample, defsfont->samplesize) == FLUID_FAILED)
+    {
+        return FLUID_FAILED;
+    }
+
+    return FLUID_OK;
+}
+
+/* Called if a sample is no longer used by a voice. Used by dynamic sample loading
+ * to unload a sample that is not used by any loaded presets anymore but couldn't
+ * be unloaded straight away because it was still in use by a voice. */
+static int dynamic_samples_sample_notify(fluid_sample_t *sample, int reason)
+{
+    if(reason == FLUID_SAMPLE_DONE && sample->preset_count == 0)
+    {
+        unload_sample(sample);
+    }
+
+    return FLUID_OK;
+}
+
+/* Called if a preset has been selected for or unselected from a channel. Used by
+ * dynamic sample loading to load and unload samples on demand. */
+static int dynamic_samples_preset_notify(fluid_preset_t *preset, int reason, int chan)
+{
+    fluid_defsfont_t *defsfont;
+
+    if(reason == FLUID_PRESET_SELECTED)
+    {
+        FLUID_LOG(FLUID_DBG, "Selected preset '%s' on channel %d", fluid_preset_get_name(preset), chan);
+        defsfont = fluid_sfont_get_data(preset->sfont);
+        return load_preset_samples(defsfont, preset);
+    }
+
+    if(reason == FLUID_PRESET_UNSELECTED)
+    {
+        FLUID_LOG(FLUID_DBG, "Deselected preset '%s' from channel %d", fluid_preset_get_name(preset), chan);
+        defsfont = fluid_sfont_get_data(preset->sfont);
+        return unload_preset_samples(defsfont, preset);
+    }
+
+    if(reason == FLUID_PRESET_PIN)
+    {
+        defsfont = fluid_sfont_get_data(preset->sfont);
+        return pin_preset_samples(defsfont, preset);
+    }
+
+    if(reason == FLUID_PRESET_UNPIN)
+    {
+        defsfont = fluid_sfont_get_data(preset->sfont);
+        return unpin_preset_samples(defsfont, preset);
+    }
+
+    return FLUID_OK;
+}
+
+
+static int pin_preset_samples(fluid_defsfont_t *defsfont, fluid_preset_t *preset)
+{
+    fluid_defpreset_t *defpreset;
+
+    defpreset = fluid_preset_get_data(preset);
+    if (defpreset->pinned)
+    {
+        return FLUID_OK;
+    }
+
+    FLUID_LOG(FLUID_DBG, "Pinning preset '%s'", fluid_preset_get_name(preset));
+
+    if(load_preset_samples(defsfont, preset) == FLUID_FAILED)
+    {
+        return FLUID_FAILED;
+    }
+
+    defpreset->pinned = TRUE;
+
+    return FLUID_OK;
+}
+
+
+static int unpin_preset_samples(fluid_defsfont_t *defsfont, fluid_preset_t *preset)
+{
+    fluid_defpreset_t *defpreset;
+
+    defpreset = fluid_preset_get_data(preset);
+    if (!defpreset->pinned)
+    {
+        return FLUID_OK;
+    }
+
+    FLUID_LOG(FLUID_DBG, "Unpinning preset '%s'", fluid_preset_get_name(preset));
+
+    if(unload_preset_samples(defsfont, preset) == FLUID_FAILED)
+    {
+        return FLUID_FAILED;
+    }
+
+    defpreset->pinned = FALSE;
+
+    return FLUID_OK;
+}
+
+
+/* Walk through all samples used by the passed in preset and make sure that the
+ * sample data is loaded for each sample. Used by dynamic sample loading. */
+static int load_preset_samples(fluid_defsfont_t *defsfont, fluid_preset_t *preset)
+{
+    fluid_defpreset_t *defpreset;
+    fluid_preset_zone_t *preset_zone;
+    fluid_inst_t *inst;
+    fluid_inst_zone_t *inst_zone;
+    fluid_sample_t *sample;
+    SFData *sffile = NULL;
+
+    defpreset = fluid_preset_get_data(preset);
+    preset_zone = fluid_defpreset_get_zone(defpreset);
+
+    while(preset_zone != NULL)
+    {
+        inst = fluid_preset_zone_get_inst(preset_zone);
+        inst_zone = fluid_inst_get_zone(inst);
+
+        while(inst_zone != NULL)
+        {
+            sample = fluid_inst_zone_get_sample(inst_zone);
+
+            if((sample != NULL) && (sample->start != sample->end))
+            {
+                sample->preset_count++;
+
+                /* If this is the first time this sample has been selected,
+                 * load the sampledata */
+                if(sample->preset_count == 1)
+                {
+                    /* Make sure we have an open Soundfont file. Do this here
+                     * to avoid having to open the file if no loading is necessary
+                     * for a preset */
+                    if(sffile == NULL)
+                    {
+                        sffile = fluid_sffile_open(defsfont->filename, defsfont->fcbs);
+
+                        if(sffile == NULL)
+                        {
+                            FLUID_LOG(FLUID_ERR, "Unable to open Soundfont file");
+                            return FLUID_FAILED;
+                        }
+                    }
+
+                    if(fluid_defsfont_load_sampledata(defsfont, sffile, sample) == FLUID_OK)
+                    {
+                        fluid_sample_sanitize_loop(sample, (sample->end + 1) * sizeof(short));
+                        fluid_voice_optimize_sample(sample);
+                    }
+                    else
+                    {
+                        FLUID_LOG(FLUID_ERR, "Unable to load sample '%s', disabling", sample->name);
+                        sample->start = sample->end = 0;
+                    }
+                }
+            }
+
+            inst_zone = fluid_inst_zone_next(inst_zone);
+        }
+
+        preset_zone = fluid_preset_zone_next(preset_zone);
+    }
+
+    if(sffile != NULL)
+    {
+        fluid_sffile_close(sffile);
+    }
+
+    return FLUID_OK;
+}
+
+/* Walk through all samples used by the passed in preset and unload the sample data
+ * of each sample that is not used by any selected preset anymore. Used by dynamic
+ * sample loading. */
+static int unload_preset_samples(fluid_defsfont_t *defsfont, fluid_preset_t *preset)
+{
+    fluid_defpreset_t *defpreset;
+    fluid_preset_zone_t *preset_zone;
+    fluid_inst_t *inst;
+    fluid_inst_zone_t *inst_zone;
+    fluid_sample_t *sample;
+
+    defpreset = fluid_preset_get_data(preset);
+    preset_zone = fluid_defpreset_get_zone(defpreset);
+
+    while(preset_zone != NULL)
+    {
+        inst = fluid_preset_zone_get_inst(preset_zone);
+        inst_zone = fluid_inst_get_zone(inst);
+
+        while(inst_zone != NULL)
+        {
+            sample = fluid_inst_zone_get_sample(inst_zone);
+
+            if((sample != NULL) && (sample->preset_count > 0))
+            {
+                sample->preset_count--;
+
+                /* If the sample is not used by any preset or used by a
+                 * sounding voice, unload it from the sample cache. If it's
+                 * still in use by a voice, dynamic_samples_sample_notify will
+                 * take care of unloading the sample as soon as the voice is
+                 * finished with it (but only on the next API call). */
+                if(sample->preset_count == 0 && sample->refcount == 0)
+                {
+                    unload_sample(sample);
+                }
+            }
+
+            inst_zone = fluid_inst_zone_next(inst_zone);
+        }
+
+        preset_zone = fluid_preset_zone_next(preset_zone);
+    }
+
+    return FLUID_OK;
+}
+
+/* Unload an unused sample from the samplecache */
+static void unload_sample(fluid_sample_t *sample)
+{
+    fluid_return_if_fail(sample != NULL);
+    fluid_return_if_fail(sample->data != NULL);
+    fluid_return_if_fail(sample->preset_count == 0);
+    fluid_return_if_fail(sample->refcount == 0);
+
+    FLUID_LOG(FLUID_DBG, "Unloading sample '%s'", sample->name);
+
+    if(fluid_samplecache_unload(sample->data) == FLUID_FAILED)
+    {
+        FLUID_LOG(FLUID_ERR, "Unable to unload sample '%s'", sample->name);
+    }
+    else
+    {
+        sample->data = NULL;
+        sample->data24 = NULL;
+    }
+}
+
+static fluid_inst_t *find_inst_by_idx(fluid_defsfont_t *defsfont, int idx)
+{
+    fluid_list_t *list;
+    fluid_inst_t *inst;
+
+    for(list = defsfont->inst; list != NULL; list = fluid_list_next(list))
+    {
+        inst = fluid_list_get(list);
+
+        if(inst->source_idx == idx)
+        {
+            return inst;
+        }
+    }
+
+    return NULL;
+}
diff --git a/libs/fluidsynth/src/sfloader/fluid_defsfont.h b/libs/fluidsynth/src/sfloader/fluid_defsfont.h
new file mode 100644
index 00000000000..d67068955d7
--- /dev/null
+++ b/libs/fluidsynth/src/sfloader/fluid_defsfont.h
@@ -0,0 +1,232 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * SoundFont loading code borrowed from Smurf SoundFont Editor by Josh Green
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+
+#ifndef _FLUID_DEFSFONT_H
+#define _FLUID_DEFSFONT_H
+
+
+#include "fluidsynth.h"
+#include "fluidsynth_priv.h"
+#include "fluid_sffile.h"
+#include "fluid_list.h"
+#include "fluid_mod.h"
+#include "fluid_gen.h"
+
+
+
+/*-----------------------------------sfont.h----------------------------*/
+
+#define SF_SAMPMODES_LOOP	1
+#define SF_SAMPMODES_UNROLL	2
+
+#define SF_MIN_SAMPLERATE	400
+#define SF_MAX_SAMPLERATE	50000
+
+#define SF_MIN_SAMPLE_LENGTH	32
+
+/***************************************************************
+ *
+ *       FORWARD DECLARATIONS
+ */
+typedef struct _fluid_defsfont_t fluid_defsfont_t;
+typedef struct _fluid_defpreset_t fluid_defpreset_t;
+typedef struct _fluid_preset_zone_t fluid_preset_zone_t;
+typedef struct _fluid_inst_t fluid_inst_t;
+typedef struct _fluid_inst_zone_t fluid_inst_zone_t;            /**< Soundfont Instrument Zone */
+typedef struct _fluid_voice_zone_t fluid_voice_zone_t;
+
+/* defines the velocity and key range for a zone */
+struct _fluid_zone_range_t
+{
+    int keylo;
+    int keyhi;
+    int vello;
+    int velhi;
+    unsigned char ignore;	/* set to TRUE for legato playing to ignore this range zone */
+};
+
+/* Stored on a preset zone to keep track of the inst zones that could start a voice
+ * and their combined preset zone/instument zone ranges */
+struct _fluid_voice_zone_t
+{
+    fluid_inst_zone_t *inst_zone;
+    fluid_zone_range_t range;
+};
+
+/*
+
+  Public interface
+
+ */
+
+fluid_sfont_t *fluid_defsfloader_load(fluid_sfloader_t *loader, const char *filename);
+
+
+int fluid_defsfont_sfont_delete(fluid_sfont_t *sfont);
+const char *fluid_defsfont_sfont_get_name(fluid_sfont_t *sfont);
+fluid_preset_t *fluid_defsfont_sfont_get_preset(fluid_sfont_t *sfont, int bank, int prenum);
+void fluid_defsfont_sfont_iteration_start(fluid_sfont_t *sfont);
+fluid_preset_t *fluid_defsfont_sfont_iteration_next(fluid_sfont_t *sfont);
+
+
+void fluid_defpreset_preset_delete(fluid_preset_t *preset);
+const char *fluid_defpreset_preset_get_name(fluid_preset_t *preset);
+int fluid_defpreset_preset_get_banknum(fluid_preset_t *preset);
+int fluid_defpreset_preset_get_num(fluid_preset_t *preset);
+int fluid_defpreset_preset_noteon(fluid_preset_t *preset, fluid_synth_t *synth, int chan, int key, int vel);
+
+int fluid_zone_inside_range(fluid_zone_range_t *zone_range, int key, int vel);
+
+/*
+ * fluid_defsfont_t
+ */
+struct _fluid_defsfont_t
+{
+    const fluid_file_callbacks_t *fcbs; /* the file callbacks used to load this Soundfont */
+    char *filename;           /* the filename of this soundfont */
+    unsigned int samplepos;   /* the position in the file at which the sample data starts */
+    unsigned int samplesize;  /* the size of the sample data in bytes */
+    short *sampledata;        /* the sample data, loaded in ram */
+
+    unsigned int sample24pos;		/* position within sffd of the sm24 chunk, set to zero if no 24 bit sample support */
+    unsigned int sample24size;		/* length within sffd of the sm24 chunk */
+    char *sample24data;        /* if not NULL, the least significant byte of the 24bit sample data, loaded in ram */
+
+    fluid_sfont_t *sfont;      /* pointer to parent sfont */
+    fluid_list_t *sample;      /* the samples in this soundfont */
+    fluid_list_t *preset;      /* the presets of this soundfont */
+    fluid_list_t *inst;        /* the instruments of this soundfont */
+    int mlock;                 /* Should we try memlock (avoid swapping)? */
+    int dynamic_samples;       /* Enables dynamic sample loading if set */
+
+    fluid_list_t *preset_iter_cur;       /* the current preset in the iteration */
+};
+
+
+fluid_defsfont_t *new_fluid_defsfont(fluid_settings_t *settings);
+int delete_fluid_defsfont(fluid_defsfont_t *defsfont);
+int fluid_defsfont_load(fluid_defsfont_t *defsfont, const fluid_file_callbacks_t *file_callbacks, const char *file);
+const char *fluid_defsfont_get_name(fluid_defsfont_t *defsfont);
+fluid_preset_t *fluid_defsfont_get_preset(fluid_defsfont_t *defsfont, int bank, int prenum);
+void fluid_defsfont_iteration_start(fluid_defsfont_t *defsfont);
+fluid_preset_t *fluid_defsfont_iteration_next(fluid_defsfont_t *defsfont);
+int fluid_defsfont_load_sampledata(fluid_defsfont_t *defsfont, SFData *sfdata, fluid_sample_t *sample);
+int fluid_defsfont_load_all_sampledata(fluid_defsfont_t *defsfont, SFData *sfdata);
+
+int fluid_defsfont_add_sample(fluid_defsfont_t *defsfont, fluid_sample_t *sample);
+int fluid_defsfont_add_preset(fluid_defsfont_t *defsfont, fluid_defpreset_t *defpreset);
+
+
+/*
+ * fluid_preset_t
+ */
+struct _fluid_defpreset_t
+{
+    fluid_defpreset_t *next;
+    char name[21];                        /* the name of the preset */
+    unsigned int bank;                    /* the bank number */
+    unsigned int num;                     /* the preset number */
+    fluid_preset_zone_t *global_zone;        /* the global zone of the preset */
+    fluid_preset_zone_t *zone;               /* the chained list of preset zones */
+    int pinned;                           /* preset samples pinned to sample cache? */
+};
+
+fluid_defpreset_t *new_fluid_defpreset(void);
+void delete_fluid_defpreset(fluid_defpreset_t *defpreset);
+fluid_defpreset_t *fluid_defpreset_next(fluid_defpreset_t *defpreset);
+int fluid_defpreset_import_sfont(fluid_defpreset_t *defpreset, SFPreset *sfpreset, fluid_defsfont_t *defsfont, SFData *sfdata);
+int fluid_defpreset_set_global_zone(fluid_defpreset_t *defpreset, fluid_preset_zone_t *zone);
+int fluid_defpreset_add_zone(fluid_defpreset_t *defpreset, fluid_preset_zone_t *zone);
+fluid_preset_zone_t *fluid_defpreset_get_zone(fluid_defpreset_t *defpreset);
+fluid_preset_zone_t *fluid_defpreset_get_global_zone(fluid_defpreset_t *defpreset);
+int fluid_defpreset_get_banknum(fluid_defpreset_t *defpreset);
+int fluid_defpreset_get_num(fluid_defpreset_t *defpreset);
+const char *fluid_defpreset_get_name(fluid_defpreset_t *defpreset);
+int fluid_defpreset_noteon(fluid_defpreset_t *defpreset, fluid_synth_t *synth, int chan, int key, int vel);
+
+/*
+ * fluid_preset_zone
+ */
+struct _fluid_preset_zone_t
+{
+    fluid_preset_zone_t *next;
+    char *name;
+    fluid_inst_t *inst;
+    fluid_list_t *voice_zone;
+    fluid_zone_range_t range;
+    fluid_gen_t gen[GEN_LAST];
+    fluid_mod_t *mod;  /* List of modulators */
+};
+
+fluid_preset_zone_t *new_fluid_preset_zone(char *name);
+void delete_fluid_list_mod(fluid_mod_t *mod);
+void delete_fluid_preset_zone(fluid_preset_zone_t *zone);
+fluid_preset_zone_t *fluid_preset_zone_next(fluid_preset_zone_t *zone);
+int fluid_preset_zone_import_sfont(fluid_preset_zone_t *zone, fluid_preset_zone_t *global_zone, SFZone *sfzone, fluid_defsfont_t *defssfont, SFData *sfdata);
+fluid_inst_t *fluid_preset_zone_get_inst(fluid_preset_zone_t *zone);
+
+/*
+ * fluid_inst_t
+ */
+struct _fluid_inst_t
+{
+    char name[21];
+    int source_idx; /* Index of instrument in source Soundfont */
+    fluid_inst_zone_t *global_zone;
+    fluid_inst_zone_t *zone;
+};
+
+fluid_inst_t *new_fluid_inst(void);
+fluid_inst_t *fluid_inst_import_sfont(int inst_idx, fluid_defsfont_t *defsfont, SFData *sfdata);
+void delete_fluid_inst(fluid_inst_t *inst);
+int fluid_inst_set_global_zone(fluid_inst_t *inst, fluid_inst_zone_t *zone);
+int fluid_inst_add_zone(fluid_inst_t *inst, fluid_inst_zone_t *zone);
+fluid_inst_zone_t *fluid_inst_get_zone(fluid_inst_t *inst);
+fluid_inst_zone_t *fluid_inst_get_global_zone(fluid_inst_t *inst);
+
+/*
+ * fluid_inst_zone_t
+ */
+struct _fluid_inst_zone_t
+{
+    fluid_inst_zone_t *next;
+    char *name;
+    fluid_sample_t *sample;
+    fluid_zone_range_t range;
+    fluid_gen_t gen[GEN_LAST];
+    fluid_mod_t *mod;  /* List of modulators */
+};
+
+
+fluid_inst_zone_t *new_fluid_inst_zone(char *name);
+void delete_fluid_inst_zone(fluid_inst_zone_t *zone);
+fluid_inst_zone_t *fluid_inst_zone_next(fluid_inst_zone_t *zone);
+int fluid_inst_zone_import_sfont(fluid_inst_zone_t *inst_zone, fluid_inst_zone_t *global_inst_zone, SFZone *sfzone, fluid_defsfont_t *defsfont, SFData *sfdata);
+fluid_sample_t *fluid_inst_zone_get_sample(fluid_inst_zone_t *zone);
+
+
+int fluid_sample_import_sfont(fluid_sample_t *sample, SFSample *sfsample, fluid_defsfont_t *defsfont);
+int fluid_sample_in_rom(fluid_sample_t *sample);
+
+
+#endif  /* _FLUID_SFONT_H */
diff --git a/libs/fluidsynth/src/sfloader/fluid_instpatch.h b/libs/fluidsynth/src/sfloader/fluid_instpatch.h
new file mode 100644
index 00000000000..c1838750ab7
--- /dev/null
+++ b/libs/fluidsynth/src/sfloader/fluid_instpatch.h
@@ -0,0 +1,14 @@
+
+#ifndef _FLUID_INSTPATCH_H
+#define _FLUID_INSTPATCH_H
+
+#include "fluid_sfont.h"
+#include "fluid_settings.h"
+
+void fluid_instpatch_init(void);
+void fluid_instpatch_deinit(void);
+fluid_sfloader_t *new_fluid_instpatch_loader(fluid_settings_t *settings);
+
+int fluid_instpatch_supports_multi_init(void);
+
+#endif // _FLUID_INSTPATCH_H
diff --git a/libs/fluidsynth/src/sfloader/fluid_samplecache.c b/libs/fluidsynth/src/sfloader/fluid_samplecache.c
new file mode 100644
index 00000000000..64e9e9e7091
--- /dev/null
+++ b/libs/fluidsynth/src/sfloader/fluid_samplecache.c
@@ -0,0 +1,313 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * SoundFont file loading code borrowed from Smurf SoundFont Editor
+ * Copyright (C) 1999-2001 Josh Green
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+/* CACHED SAMPLE DATA LOADER
+ *
+ * This is a wrapper around fluid_sffile_read_sample_data that attempts to cache the read
+ * data across all FluidSynth instances in a global (process-wide) list.
+ */
+
+#include "fluid_samplecache.h"
+#include "fluid_sys.h"
+#include "fluid_list.h"
+
+
+typedef struct _fluid_samplecache_entry_t fluid_samplecache_entry_t;
+
+struct _fluid_samplecache_entry_t
+{
+    /* The following members all form the cache key */
+    char *filename;
+    time_t modification_time;
+    unsigned int sf_samplepos;
+    unsigned int sf_samplesize;
+    unsigned int sf_sample24pos;
+    unsigned int sf_sample24size;
+    unsigned int sample_start;
+    unsigned int sample_end;
+    int sample_type;
+    /*  End of cache key members */
+
+    short *sample_data;
+    char *sample_data24;
+    int sample_count;
+
+    int num_references;
+    int mlocked;
+};
+
+static fluid_list_t *samplecache_list = NULL;
+static fluid_mutex_t samplecache_mutex = FLUID_MUTEX_INIT;
+
+static fluid_samplecache_entry_t *new_samplecache_entry(SFData *sf, unsigned int sample_start,
+        unsigned int sample_end, int sample_type, time_t mtime);
+static fluid_samplecache_entry_t *get_samplecache_entry(SFData *sf, unsigned int sample_start,
+        unsigned int sample_end, int sample_type, time_t mtime);
+static void delete_samplecache_entry(fluid_samplecache_entry_t *entry);
+
+static int fluid_get_file_modification_time(char *filename, time_t *modification_time);
+
+
+/* PUBLIC INTERFACE */
+
+int fluid_samplecache_load(SFData *sf,
+                           unsigned int sample_start, unsigned int sample_end, int sample_type,
+                           int try_mlock, short **sample_data, char **sample_data24)
+{
+    fluid_samplecache_entry_t *entry;
+    int ret;
+    time_t mtime;
+
+    fluid_mutex_lock(samplecache_mutex);
+
+    if(fluid_get_file_modification_time(sf->fname, &mtime) == FLUID_FAILED)
+    {
+        mtime = 0;
+    }
+
+    entry = get_samplecache_entry(sf, sample_start, sample_end, sample_type, mtime);
+
+    if(entry == NULL)
+    {
+        fluid_mutex_unlock(samplecache_mutex);
+        entry = new_samplecache_entry(sf, sample_start, sample_end, sample_type, mtime);
+
+        if(entry == NULL)
+        {
+            ret = -1;
+            goto unlock_exit;
+        }
+
+        fluid_mutex_lock(samplecache_mutex);
+        samplecache_list = fluid_list_prepend(samplecache_list, entry);
+    }
+        fluid_mutex_unlock(samplecache_mutex);
+
+    if(try_mlock && !entry->mlocked)
+    {
+        /* Lock the memory to disable paging. It's okay if this fails. It
+         * probably means that the user doesn't have the required permission. */
+        if(fluid_mlock(entry->sample_data, entry->sample_count * sizeof(short)) == 0)
+        {
+            if(entry->sample_data24 != NULL)
+            {
+                entry->mlocked = (fluid_mlock(entry->sample_data24, entry->sample_count) == 0);
+            }
+            else
+            {
+                entry->mlocked = TRUE;
+            }
+
+            if(!entry->mlocked)
+            {
+                fluid_munlock(entry->sample_data, entry->sample_count * sizeof(short));
+                FLUID_LOG(FLUID_WARN, "Failed to pin the sample data to RAM; swapping is possible.");
+            }
+        }
+    }
+
+    entry->num_references++;
+    *sample_data = entry->sample_data;
+    *sample_data24 = entry->sample_data24;
+    ret = entry->sample_count;
+
+unlock_exit:
+    return ret;
+}
+
+int fluid_samplecache_unload(const short *sample_data)
+{
+    fluid_list_t *entry_list;
+    fluid_samplecache_entry_t *entry;
+    int ret;
+
+    fluid_mutex_lock(samplecache_mutex);
+
+    entry_list = samplecache_list;
+
+    while(entry_list)
+    {
+        entry = (fluid_samplecache_entry_t *)fluid_list_get(entry_list);
+
+        if(sample_data == entry->sample_data)
+        {
+            entry->num_references--;
+
+            if(entry->num_references == 0)
+            {
+                if(entry->mlocked)
+                {
+                    fluid_munlock(entry->sample_data, entry->sample_count * sizeof(short));
+
+                    if(entry->sample_data24 != NULL)
+                    {
+                        fluid_munlock(entry->sample_data24, entry->sample_count);
+                    }
+                }
+
+                samplecache_list = fluid_list_remove(samplecache_list, entry);
+                delete_samplecache_entry(entry);
+            }
+
+            ret = FLUID_OK;
+            goto unlock_exit;
+        }
+
+        entry_list = fluid_list_next(entry_list);
+    }
+
+    FLUID_LOG(FLUID_ERR, "Trying to free sample data not found in cache.");
+    ret = FLUID_FAILED;
+
+unlock_exit:
+    fluid_mutex_unlock(samplecache_mutex);
+    return ret;
+}
+
+
+/* Private functions */
+static fluid_samplecache_entry_t *new_samplecache_entry(SFData *sf,
+        unsigned int sample_start,
+        unsigned int sample_end,
+        int sample_type,
+        time_t mtime)
+{
+    fluid_samplecache_entry_t *entry;
+
+    entry = FLUID_NEW(fluid_samplecache_entry_t);
+
+    if(entry == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return NULL;
+    }
+
+    FLUID_MEMSET(entry, 0, sizeof(*entry));
+
+    entry->filename = FLUID_STRDUP(sf->fname);
+
+    if(entry->filename == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        goto error_exit;
+    }
+
+    entry->sf_samplepos = sf->samplepos;
+    entry->sf_samplesize = sf->samplesize;
+    entry->sf_sample24pos = sf->sample24pos;
+    entry->sf_sample24size = sf->sample24size;
+    entry->sample_start = sample_start;
+    entry->sample_end = sample_end;
+    entry->sample_type = sample_type;
+    entry->modification_time = mtime;
+
+    entry->sample_count = fluid_sffile_read_sample_data(sf, sample_start, sample_end, sample_type,
+                          &entry->sample_data, &entry->sample_data24);
+
+    if(entry->sample_count < 0)
+    {
+        goto error_exit;
+    }
+
+    return entry;
+
+error_exit:
+    delete_samplecache_entry(entry);
+    return NULL;
+}
+
+static void delete_samplecache_entry(fluid_samplecache_entry_t *entry)
+{
+    fluid_return_if_fail(entry != NULL);
+
+    FLUID_FREE(entry->filename);
+    FLUID_FREE(entry->sample_data);
+    FLUID_FREE(entry->sample_data24);
+    FLUID_FREE(entry);
+}
+
+static fluid_samplecache_entry_t *get_samplecache_entry(SFData *sf,
+        unsigned int sample_start,
+        unsigned int sample_end,
+        int sample_type,
+        time_t mtime)
+{
+    fluid_list_t *entry_list;
+    fluid_samplecache_entry_t *entry;
+
+    entry_list = samplecache_list;
+
+    while(entry_list)
+    {
+        entry = (fluid_samplecache_entry_t *)fluid_list_get(entry_list);
+
+        if((FLUID_STRCMP(sf->fname, entry->filename) == 0) &&
+                (mtime == entry->modification_time) &&
+                (sf->samplepos == entry->sf_samplepos) &&
+                (sf->samplesize == entry->sf_samplesize) &&
+                (sf->sample24pos == entry->sf_sample24pos) &&
+                (sf->sample24size == entry->sf_sample24size) &&
+                (sample_start == entry->sample_start) &&
+                (sample_end == entry->sample_end) &&
+                (sample_type == entry->sample_type))
+        {
+            return entry;
+        }
+
+        entry_list = fluid_list_next(entry_list);
+    }
+
+    return NULL;
+}
+
+static int fluid_get_file_modification_time(char *filename, time_t *modification_time)
+{
+    fluid_stat_buf_t buf;
+
+    if(fluid_stat(filename, &buf))
+    {
+        return FLUID_FAILED;
+    }
+
+    *modification_time = buf.st_mtime;
+    return FLUID_OK;
+}
+
+
+/* Only used for tests */
+int fluid_samplecache_count_entries(void)
+{
+    fluid_list_t *entry;
+    int count = 0;
+
+    fluid_mutex_lock(samplecache_mutex);
+
+    for(entry = samplecache_list; entry != NULL; entry = fluid_list_next(entry))
+    {
+        count++;
+    }
+
+    fluid_mutex_unlock(samplecache_mutex);
+
+    return count;
+}
diff --git a/libs/fluidsynth/src/sfloader/fluid_samplecache.h b/libs/fluidsynth/src/sfloader/fluid_samplecache.h
new file mode 100644
index 00000000000..de6206ba7de
--- /dev/null
+++ b/libs/fluidsynth/src/sfloader/fluid_samplecache.h
@@ -0,0 +1,37 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+
+#ifndef _FLUID_SAMPLECACHE_H
+#define _FLUID_SAMPLECACHE_H
+
+#include "fluid_sfont.h"
+#include "fluid_sffile.h"
+
+int fluid_samplecache_load(SFData *sf,
+                           unsigned int sample_start, unsigned int sample_end, int sample_type,
+                           int try_mlock, short **data, char **data24);
+
+int fluid_samplecache_unload(const short *sample_data);
+
+/* Only used for tests */
+int fluid_samplecache_count_entries(void);
+
+#endif /* _FLUID_SAMPLECACHE_H */
diff --git a/libs/fluidsynth/src/sfloader/fluid_sffile.c b/libs/fluidsynth/src/sfloader/fluid_sffile.c
new file mode 100644
index 00000000000..96d06ceae6c
--- /dev/null
+++ b/libs/fluidsynth/src/sfloader/fluid_sffile.c
@@ -0,0 +1,2527 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * SoundFont file loading code borrowed from Smurf SoundFont Editor
+ * Copyright (C) 1999-2001 Josh Green
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+
+#include "fluid_sffile.h"
+#include "fluid_sfont.h"
+#include "fluid_sys.h"
+
+#if LIBSNDFILE_SUPPORT
+#include <sndfile.h>
+#endif
+
+#if LIBINSTPATCH_SUPPORT
+#include <libinstpatch/libinstpatch.h>
+#endif
+
+/*=================================sfload.c========================
+  Borrowed from Smurf SoundFont Editor by Josh Green
+  =================================================================*/
+
+/* FOURCC definitions */
+#define RIFF_FCC    FLUID_FOURCC('R','I','F','F')
+#define LIST_FCC    FLUID_FOURCC('L','I','S','T')
+#define SFBK_FCC    FLUID_FOURCC('s','f','b','k')
+#define INFO_FCC    FLUID_FOURCC('I','N','F','O')
+#define SDTA_FCC    FLUID_FOURCC('s','d','t','a')
+#define PDTA_FCC    FLUID_FOURCC('p','d','t','a') /* info/sample/preset */
+
+#define IFIL_FCC    FLUID_FOURCC('i','f','i','l')
+#define ISNG_FCC    FLUID_FOURCC('i','s','n','g')
+#define INAM_FCC    FLUID_FOURCC('I','N','A','M')
+#define IROM_FCC    FLUID_FOURCC('i','r','o','m') /* info ids (1st byte of info strings) */
+#define IVER_FCC    FLUID_FOURCC('i','v','e','r')
+#define ICRD_FCC    FLUID_FOURCC('I','C','R','D')
+#define IENG_FCC    FLUID_FOURCC('I','E','N','G')
+#define IPRD_FCC    FLUID_FOURCC('I','P','R','D') /* more info ids */
+#define ICOP_FCC    FLUID_FOURCC('I','C','O','P')
+#define ICMT_FCC    FLUID_FOURCC('I','C','M','T')
+#define ISFT_FCC    FLUID_FOURCC('I','S','F','T') /* and yet more info ids */
+
+#define SNAM_FCC    FLUID_FOURCC('s','n','a','m')
+#define SMPL_FCC    FLUID_FOURCC('s','m','p','l') /* sample ids */
+#define PHDR_FCC    FLUID_FOURCC('p','h','d','r')
+#define PBAG_FCC    FLUID_FOURCC('p','b','a','g')
+#define PMOD_FCC    FLUID_FOURCC('p','m','o','d')
+#define PGEN_FCC    FLUID_FOURCC('p','g','e','n') /* preset ids */
+#define IHDR_FCC    FLUID_FOURCC('i','n','s','t')
+#define IBAG_FCC    FLUID_FOURCC('i','b','a','g')
+#define IMOD_FCC    FLUID_FOURCC('i','m','o','d')
+#define IGEN_FCC    FLUID_FOURCC('i','g','e','n') /* instrument ids */
+#define SHDR_FCC    FLUID_FOURCC('s','h','d','r') /* sample info */
+#define SM24_FCC    FLUID_FOURCC('s','m','2','4')
+
+/* Set when the FCC code is unknown */
+#define UNKN_ID     FLUID_N_ELEMENTS(idlist)
+
+/*
+ * This declares a uint32_t array containing the SF2 chunk identifiers.
+ */
+static const uint32_t idlist[] =
+{
+    RIFF_FCC,
+    LIST_FCC,
+    SFBK_FCC,
+    INFO_FCC,
+    SDTA_FCC,
+    PDTA_FCC,
+
+    IFIL_FCC,
+    ISNG_FCC,
+    INAM_FCC,
+    IROM_FCC,
+    IVER_FCC,
+    ICRD_FCC,
+    IENG_FCC,
+    IPRD_FCC,
+    ICOP_FCC,
+    ICMT_FCC,
+    ISFT_FCC,
+
+    SNAM_FCC,
+    SMPL_FCC,
+    PHDR_FCC,
+    PBAG_FCC,
+    PMOD_FCC,
+    PGEN_FCC,
+    IHDR_FCC,
+    IBAG_FCC,
+    IMOD_FCC,
+    IGEN_FCC,
+    SHDR_FCC,
+    SM24_FCC
+};
+
+static const unsigned short invalid_inst_gen[] =
+{
+    GEN_UNUSED1,
+    GEN_UNUSED2,
+    GEN_UNUSED3,
+    GEN_UNUSED4,
+    GEN_RESERVED1,
+    GEN_RESERVED2,
+    GEN_RESERVED3,
+    GEN_INSTRUMENT,
+};
+
+static const unsigned short invalid_preset_gen[] =
+{
+    GEN_STARTADDROFS,
+    GEN_ENDADDROFS,
+    GEN_STARTLOOPADDROFS,
+    GEN_ENDLOOPADDROFS,
+    GEN_STARTADDRCOARSEOFS,
+    GEN_ENDADDRCOARSEOFS,
+    GEN_STARTLOOPADDRCOARSEOFS,
+    GEN_KEYNUM,
+    GEN_VELOCITY,
+    GEN_ENDLOOPADDRCOARSEOFS,
+    GEN_SAMPLEMODE,
+    GEN_EXCLUSIVECLASS,
+    GEN_OVERRIDEROOTKEY,
+    GEN_SAMPLEID,
+};
+
+
+/* sfont file chunk sizes */
+#define SF_PHDR_SIZE (38)
+#define SF_BAG_SIZE  (4)
+#define SF_MOD_SIZE  (10)
+#define SF_GEN_SIZE  (4)
+#define SF_IHDR_SIZE (22)
+#define SF_SHDR_SIZE (46)
+
+
+#define READCHUNK(sf, var)                                                  \
+    do                                                                      \
+    {                                                                       \
+        if (sf->fcbs->fread(var, 8, sf->sffd) == FLUID_FAILED)              \
+            return FALSE;                                                   \
+        ((SFChunk *)(var))->size = FLUID_LE32TOH(((SFChunk *)(var))->size); \
+    } while (0)
+
+#define READD(sf, var)                                            \
+    do                                                            \
+    {                                                             \
+        uint32_t _temp;                                           \
+        if (sf->fcbs->fread(&_temp, 4, sf->sffd) == FLUID_FAILED) \
+            return FALSE;                                         \
+        var = FLUID_LE32TOH(_temp);                               \
+    } while (0)
+
+#define READW(sf, var)                                            \
+    do                                                            \
+    {                                                             \
+        uint16_t _temp;                                           \
+        if (sf->fcbs->fread(&_temp, 2, sf->sffd) == FLUID_FAILED) \
+            return FALSE;                                         \
+        var = FLUID_LE16TOH(_temp);                               \
+    } while (0)
+
+#define READID(sf, var)                                        \
+    do                                                         \
+    {                                                          \
+        if (sf->fcbs->fread(var, 4, sf->sffd) == FLUID_FAILED) \
+            return FALSE;                                      \
+    } while (0)
+
+#define READSTR(sf, var)                                        \
+    do                                                          \
+    {                                                           \
+        if (sf->fcbs->fread(var, 20, sf->sffd) == FLUID_FAILED) \
+            return FALSE;                                       \
+        (*var)[20] = '\0';                                      \
+    } while (0)
+
+#define READB(sf, var)                                          \
+    do                                                          \
+    {                                                           \
+        if (sf->fcbs->fread(&var, 1, sf->sffd) == FLUID_FAILED) \
+            return FALSE;                                       \
+    } while (0)
+
+#define FSKIP(sf, size)                                                \
+    do                                                                 \
+    {                                                                  \
+        if (sf->fcbs->fseek(sf->sffd, size, SEEK_CUR) == FLUID_FAILED) \
+            return FALSE;                                              \
+    } while (0)
+
+#define FSKIPW(sf)                                                  \
+    do                                                              \
+    {                                                               \
+        if (sf->fcbs->fseek(sf->sffd, 2, SEEK_CUR) == FLUID_FAILED) \
+            return FALSE;                                           \
+    } while (0)
+
+/* removes and advances a fluid_list_t pointer */
+#define SLADVREM(list, item)                        \
+    do                                              \
+    {                                               \
+        fluid_list_t *_temp = item;                 \
+        item = fluid_list_next(item);               \
+        list = fluid_list_remove_link(list, _temp); \
+        delete1_fluid_list(_temp);                  \
+    } while (0)
+
+
+static int load_header(SFData *sf);
+static int load_body(SFData *sf);
+static int process_info(SFData *sf, int size);
+static int process_sdta(SFData *sf, unsigned int size);
+static int process_pdta(SFData *sf, int size);
+static int load_phdr(SFData *sf, unsigned int size);
+static int load_pbag(SFData *sf, int size);
+static int load_pmod(SFData *sf, int size);
+static int load_ihdr(SFData *sf, unsigned int size);
+static int load_ibag(SFData *sf, int size);
+static int load_imod(SFData *sf, int size);
+static int load_shdr(SFData *sf, unsigned int size);
+
+static int chunkid(uint32_t id);
+static int read_listchunk(SFData *sf, SFChunk *chunk);
+static int pdtahelper(SFData *sf, unsigned int expid, unsigned int reclen, SFChunk *chunk, int *size);
+static int preset_compare_func(const void *a, const void *b);
+static fluid_list_t *find_gen_by_id(int gen, fluid_list_t *genlist);
+static int valid_inst_genid(unsigned short genid);
+static int valid_preset_genid(unsigned short genid);
+
+static int fluid_sffile_read_vorbis(SFData *sf, unsigned int start_byte, unsigned int end_byte, short **data);
+static int fluid_sffile_read_wav(SFData *sf, unsigned int start, unsigned int end, short **data, char **data24);
+
+/**
+ * Check if a file is a SoundFont file.
+ *
+ * @param filename Path to the file to check
+ * @return TRUE if it could be a SF2, SF3 or DLS file, FALSE otherwise
+ *
+ * If fluidsynth was built with DLS support, this function will also identify DLS files.
+ *
+ * @note This function only checks whether header(s) in the RIFF chunk are present.
+ * A call to fluid_synth_sfload() might still fail.
+ */
+int fluid_is_soundfont(const char *filename)
+{
+    FILE    *fp;
+    uint32_t fcc;
+    int      retcode = FALSE;
+    const char* err_msg;
+
+    do
+    {
+        if((fp = fluid_file_open(filename, &err_msg)) == NULL)
+        {
+            FLUID_LOG(FLUID_ERR, "fluid_is_soundfont(): fopen() failed: '%s'", err_msg);
+            return retcode;
+        }
+
+        if(FLUID_FREAD(&fcc, sizeof(fcc), 1, fp) != 1)
+        {
+            FLUID_LOG(FLUID_ERR, "fluid_is_soundfont(): failed to read RIFF chunk id.");
+            break;
+        }
+
+        if(fcc != RIFF_FCC)
+        {
+            FLUID_LOG(FLUID_ERR, "fluid_is_soundfont(): expected RIFF chunk id '0x%04X' but got '0x%04X'.", (unsigned int) RIFF_FCC, (unsigned int)fcc);
+            break;
+        }
+
+        if(FLUID_FSEEK(fp, 4, SEEK_CUR))
+        {
+            FLUID_LOG(FLUID_ERR, "fluid_is_soundfont(): cannot seek +4 bytes.");
+            break;
+        }
+
+        if(FLUID_FREAD(&fcc, sizeof(fcc), 1, fp) != 1)
+        {
+            FLUID_LOG(FLUID_ERR, "fluid_is_soundfont(): failed to read SFBK chunk id.");
+            break;
+        }
+
+        retcode = (fcc == SFBK_FCC);
+        if(retcode)
+        {
+            break;  // seems to be SF2, stop here
+        }
+#ifdef LIBINSTPATCH_SUPPORT
+        else
+        {
+            IpatchFileHandle *fhandle = ipatch_file_identify_open(filename, NULL);
+            if(fhandle != NULL)
+            {
+                retcode = (ipatch_file_identify(fhandle->file, NULL) == IPATCH_TYPE_DLS_FILE);
+                ipatch_file_close(fhandle);
+            }
+        }
+#endif
+    }
+    while(0);
+
+    FLUID_FCLOSE(fp);
+
+    return retcode;
+}
+
+/*
+ * Open a SoundFont file and parse it's contents into a SFData structure.
+ *
+ * @param fname filename
+ * @param fcbs file callback structure
+ * @return the partially parsed SoundFont as SFData structure or NULL on error
+ */
+SFData *fluid_sffile_open(const char *fname, const fluid_file_callbacks_t *fcbs)
+{
+    SFData *sf;
+    fluid_long_long_t fsize = 0;
+
+    if(!(sf = FLUID_NEW(SFData)))
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return NULL;
+    }
+
+    FLUID_MEMSET(sf, 0, sizeof(SFData));
+
+    fluid_rec_mutex_init(sf->mtx);
+    sf->fcbs = fcbs;
+
+    if((sf->sffd = fcbs->fopen(fname)) == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Unable to open file '%s'", fname);
+        goto error_exit;
+    }
+
+    sf->fname = FLUID_STRDUP(fname);
+
+    if(sf->fname == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        goto error_exit;
+    }
+
+    /* get size of file by seeking to end */
+    if(fcbs->fseek(sf->sffd, 0L, SEEK_END) == FLUID_FAILED)
+    {
+        FLUID_LOG(FLUID_ERR, "Seek to end of file failed");
+        goto error_exit;
+    }
+
+    if((fsize = fcbs->ftell(sf->sffd)) == FLUID_FAILED)
+    {
+        FLUID_LOG(FLUID_ERR, "Get end of file position failed");
+        goto error_exit;
+    }
+
+    sf->filesize = fsize;
+
+    if(fcbs->fseek(sf->sffd, 0, SEEK_SET) == FLUID_FAILED)
+    {
+        FLUID_LOG(FLUID_ERR, "Rewind to start of file failed");
+        goto error_exit;
+    }
+
+    if(!load_header(sf))
+    {
+        goto error_exit;
+    }
+
+    return sf;
+
+error_exit:
+    fluid_sffile_close(sf);
+    return NULL;
+}
+
+/*
+ * Parse all preset information from the soundfont
+ *
+ * @return FLUID_OK on success, otherwise FLUID_FAILED
+ */
+int fluid_sffile_parse_presets(SFData *sf)
+{
+    if(!load_body(sf))
+    {
+        return FLUID_FAILED;
+    }
+
+    return FLUID_OK;
+}
+
+/* Load sample data from the soundfont file
+ *
+ * This function will always return the sample data in WAV format. If the sample_type specifies an
+ * Ogg Vorbis compressed sample, it will be decompressed automatically before returning.
+ *
+ * @param sf SFData instance
+ * @param sample_start index of first sample point in Soundfont sample chunk
+ * @param sample_end index of last sample point in Soundfont sample chunk
+ * @param sample_type type of the sample in Soundfont
+ * @param data pointer to sample data pointer, will point to loaded sample data on success
+ * @param data24 pointer to 24-bit sample data pointer if 24-bit data present, will point to loaded
+ *               24-bit sample data on success or NULL if no 24-bit data is present in file
+ *
+ * @return The number of sample words in returned buffers or -1 on failure
+ */
+int fluid_sffile_read_sample_data(SFData *sf, unsigned int sample_start, unsigned int sample_end,
+                                  int sample_type, short **data, char **data24)
+{
+    int num_samples;
+
+    if(sample_type & FLUID_SAMPLETYPE_OGG_VORBIS)
+    {
+        num_samples = fluid_sffile_read_vorbis(sf, sample_start, sample_end, data);
+    }
+    else
+    {
+        num_samples = fluid_sffile_read_wav(sf, sample_start, sample_end, data, data24);
+    }
+
+    return num_samples;
+}
+
+/*
+ * Close a SoundFont file and free the SFData structure.
+ *
+ * @param sf pointer to SFData structure
+ * @param fcbs file callback structure
+ */
+void fluid_sffile_close(SFData *sf)
+{
+    fluid_list_t *entry;
+    SFPreset *preset;
+    SFInst *inst;
+
+    fluid_rec_mutex_destroy(sf->mtx);
+    if(sf->sffd)
+    {
+        sf->fcbs->fclose(sf->sffd);
+    }
+
+    FLUID_FREE(sf->fname);
+
+    entry = sf->info;
+
+    while(entry)
+    {
+        FLUID_FREE(fluid_list_get(entry));
+        entry = fluid_list_next(entry);
+    }
+
+    delete_fluid_list(sf->info);
+
+    entry = sf->preset;
+
+    while(entry)
+    {
+        preset = (SFPreset *)fluid_list_get(entry);
+        delete_preset(preset);
+        entry = fluid_list_next(entry);
+    }
+
+    delete_fluid_list(sf->preset);
+
+    entry = sf->inst;
+
+    while(entry)
+    {
+        inst = (SFInst *)fluid_list_get(entry);
+        delete_inst(inst);
+        entry = fluid_list_next(entry);
+    }
+
+    delete_fluid_list(sf->inst);
+
+    entry = sf->sample;
+
+    while(entry)
+    {
+        FLUID_FREE(fluid_list_get(entry));
+        entry = fluid_list_next(entry);
+    }
+
+    delete_fluid_list(sf->sample);
+
+    FLUID_FREE(sf);
+}
+
+
+/*
+ * Private functions
+ */
+
+/* sound font file load functions */
+static int chunkid(uint32_t id)
+{
+    unsigned int i;
+
+    for(i = 0; i < FLUID_N_ELEMENTS(idlist); i++)
+    {
+        if(idlist[i] == id)
+        {
+            break;
+        }
+    }
+
+    /* Return chunk id or UNKN_ID if not found */
+    return i;
+}
+
+static int load_header(SFData *sf)
+{
+    SFChunk chunk;
+
+    READCHUNK(sf, &chunk); /* load RIFF chunk */
+
+    if(chunk.id != RIFF_FCC)
+    {
+        /* error if not RIFF */
+        FLUID_LOG(FLUID_ERR, "Not a RIFF file");
+        return FALSE;
+    }
+
+    READID(sf, &chunk.id); /* load file ID */
+
+    if(chunk.id != SFBK_FCC)
+    {
+        /* error if not SFBK_ID */
+        FLUID_LOG(FLUID_ERR, "Not a SoundFont file");
+        return FALSE;
+    }
+
+    if(chunk.size != sf->filesize - 8)
+    {
+        FLUID_LOG(FLUID_ERR, "SoundFont file size mismatch");
+        return FALSE;
+    }
+
+    /* Process INFO block */
+    if(!read_listchunk(sf, &chunk))
+    {
+        return FALSE;
+    }
+
+    if(chunk.id != INFO_FCC)
+    {
+        FLUID_LOG(FLUID_ERR, "Invalid ID found when expecting INFO chunk");
+        return FALSE;
+    }
+
+    if(!process_info(sf, chunk.size))
+    {
+        return FALSE;
+    }
+
+    /* Process sample chunk */
+    if(!read_listchunk(sf, &chunk))
+    {
+        return FALSE;
+    }
+
+    if(chunk.id != SDTA_FCC)
+    {
+        FLUID_LOG(FLUID_ERR, "Invalid ID found when expecting SAMPLE chunk");
+        return FALSE;
+    }
+
+    if(!process_sdta(sf, chunk.size))
+    {
+        return FALSE;
+    }
+
+    /* process HYDRA chunk */
+    if(!read_listchunk(sf, &chunk))
+    {
+        return FALSE;
+    }
+
+    if(chunk.id != PDTA_FCC)
+    {
+        FLUID_LOG(FLUID_ERR, "Invalid ID found when expecting HYDRA chunk");
+        return FALSE;
+    }
+
+    sf->hydrapos = sf->fcbs->ftell(sf->sffd);
+    sf->hydrasize = chunk.size;
+
+    return TRUE;
+}
+
+static int load_body(SFData *sf)
+{
+    if(sf->fcbs->fseek(sf->sffd, sf->hydrapos, SEEK_SET) == FLUID_FAILED)
+    {
+        FLUID_LOG(FLUID_ERR, "Failed to seek to HYDRA position");
+        return FALSE;
+    }
+
+    if(!process_pdta(sf, sf->hydrasize))
+    {
+        return FALSE;
+    }
+
+    /* sort preset list by bank, preset # */
+    sf->preset = fluid_list_sort(sf->preset, preset_compare_func);
+
+    return TRUE;
+}
+
+static int read_listchunk(SFData *sf, SFChunk *chunk)
+{
+    READCHUNK(sf, chunk); /* read list chunk */
+
+    if(chunk->id != LIST_FCC)  /* error if ! list chunk */
+    {
+        FLUID_LOG(FLUID_ERR, "Invalid chunk id in level 0 parse");
+        return FALSE;
+    }
+
+    READID(sf, &chunk->id); /* read id string */
+    chunk->size -= 4;
+    return TRUE;
+}
+
+static int process_info(SFData *sf, int size)
+{
+    SFChunk chunk;
+    union
+    {
+        char *chr;
+        uint32_t *fcc;
+    } item;
+    unsigned short ver;
+
+    while(size > 0)
+    {
+        READCHUNK(sf, &chunk);
+        size -= 8;
+
+        if(chunk.id == IFIL_FCC)
+        {
+            /* sound font version chunk? */
+            if(chunk.size != 4)
+            {
+                FLUID_LOG(FLUID_ERR, "Sound font version info chunk has invalid size");
+                return FALSE;
+            }
+
+            READW(sf, ver);
+            sf->version.major = ver;
+            READW(sf, ver);
+            sf->version.minor = ver;
+
+            if(sf->version.major < 2)
+            {
+                FLUID_LOG(FLUID_ERR, "Sound font version is %d.%d which is not"
+                          " supported, convert to version 2.0x",
+                          sf->version.major, sf->version.minor);
+                return FALSE;
+            }
+
+            if(sf->version.major == 3)
+            {
+#if !LIBSNDFILE_SUPPORT
+                FLUID_LOG(FLUID_WARN,
+                          "Sound font version is %d.%d but fluidsynth was compiled without"
+                          " support for (v3.x)",
+                          sf->version.major, sf->version.minor);
+                return FALSE;
+#endif
+            }
+            else if(sf->version.major > 2)
+            {
+                FLUID_LOG(FLUID_WARN,
+                          "Sound font version is %d.%d which is newer than"
+                          " what this version of fluidsynth was designed for (v2.0x)",
+                          sf->version.major, sf->version.minor);
+                return FALSE;
+            }
+        }
+        else if(chunk.id == IVER_FCC)
+        {
+            /* ROM version chunk? */
+            if(chunk.size != 4)
+            {
+                FLUID_LOG(FLUID_ERR, "ROM version info chunk has invalid size");
+                return FALSE;
+            }
+
+            READW(sf, ver);
+            sf->romver.major = ver;
+            READW(sf, ver);
+            sf->romver.minor = ver;
+        }
+        else if(chunkid(chunk.id) != UNKN_ID)
+        {
+            if((chunk.id != ICMT_FCC && chunk.size > 256) || (chunk.size > 65536) || (chunk.size % 2))
+            {
+                FLUID_LOG(FLUID_ERR, "INFO sub chunk %.4s has invalid chunk size of %d bytes",
+                          (char*)&chunk.id, chunk.size);
+                return FALSE;
+            }
+
+            /* alloc for chunk fcc and da chunk */
+            if(!(item.fcc = FLUID_MALLOC(chunk.size + sizeof(uint32_t) + 1)))
+            {
+                FLUID_LOG(FLUID_ERR, "Out of memory");
+                return FALSE;
+            }
+
+            /* attach to INFO list, fluid_sffile_close will cleanup if FAIL occurs */
+            sf->info = fluid_list_append(sf->info, item.fcc);
+
+            /* save chunk fcc and update pointer to data value */
+            *item.fcc++ = chunk.id;
+
+            if(sf->fcbs->fread(item.chr, chunk.size, sf->sffd) == FLUID_FAILED)
+            {
+                return FALSE;
+            }
+
+            /* force terminate info item */
+            item.chr[chunk.size] = '\0';
+        }
+        else
+        {
+            FLUID_LOG(FLUID_ERR, "Invalid chunk id in INFO chunk");
+            return FALSE;
+        }
+
+        size -= chunk.size;
+    }
+
+    if(size < 0)
+    {
+        FLUID_LOG(FLUID_ERR, "INFO chunk size mismatch");
+        return FALSE;
+    }
+
+    return TRUE;
+}
+
+static int process_sdta(SFData *sf, unsigned int size)
+{
+    SFChunk chunk;
+
+    if(size == 0)
+    {
+        return TRUE;    /* no sample data? */
+    }
+
+    /* read sub chunk */
+    READCHUNK(sf, &chunk);
+    size -= 8;
+
+    if(chunk.id != SMPL_FCC)
+    {
+        FLUID_LOG(FLUID_ERR, "Expected SMPL chunk found invalid id instead");
+        return FALSE;
+    }
+
+    /* SDTA chunk may also contain sm24 chunk for 24 bit samples
+     * (not yet supported), only an error if SMPL chunk size is
+     * greater than SDTA. */
+    if(chunk.size > size)
+    {
+        FLUID_LOG(FLUID_ERR, "SDTA chunk size mismatch");
+        return FALSE;
+    }
+
+    /* sample data follows */
+    sf->samplepos = sf->fcbs->ftell(sf->sffd);
+
+    /* used to check validity of sample headers */
+    sf->samplesize = chunk.size;
+
+    FSKIP(sf, chunk.size);
+    size -= chunk.size;
+
+    if(sf->version.major >= 2 && sf->version.minor >= 4)
+    {
+        /* any chance to find another chunk here? */
+        if(size > 8)
+        {
+            /* read sub chunk */
+            READCHUNK(sf, &chunk);
+            size -= 8;
+
+            if(chunk.id == SM24_FCC)
+            {
+                int sm24size, sdtahalfsize;
+
+                FLUID_LOG(FLUID_DBG, "Found SM24 chunk");
+
+                if(chunk.size > size)
+                {
+                    FLUID_LOG(FLUID_WARN, "SM24 exceeds SDTA chunk, ignoring SM24");
+                    goto ret; // no error
+                }
+
+                sdtahalfsize = sf->samplesize / 2;
+                /* + 1 byte in the case that half the size of smpl chunk is an odd value */
+                sdtahalfsize += sdtahalfsize % 2;
+                sm24size = chunk.size;
+
+                if(sdtahalfsize != sm24size)
+                {
+                    FLUID_LOG(FLUID_WARN, "SM24 not equal to half the size of SMPL chunk (0x%X != "
+                              "0x%X), ignoring SM24",
+                              sm24size, sdtahalfsize);
+                    goto ret; // no error
+                }
+
+                /* sample data24 follows */
+                sf->sample24pos = sf->fcbs->ftell(sf->sffd);
+                sf->sample24size = sm24size;
+            }
+        }
+    }
+
+ret:
+    FSKIP(sf, size);
+
+    return TRUE;
+}
+
+static int pdtahelper(SFData *sf, unsigned int expid, unsigned int reclen, SFChunk *chunk, int *size)
+{
+    READCHUNK(sf, chunk);
+    *size -= 8;
+
+    if(chunk->id != expid)
+    {
+        FLUID_LOG(FLUID_ERR, "Expected PDTA sub-chunk '%.4s' found invalid id instead", (char*)&expid);
+        return FALSE;
+    }
+
+    if(chunk->size % reclen)  /* valid chunk size? */
+    {
+        FLUID_LOG(FLUID_ERR, "'%.4s' chunk size is not a multiple of %d bytes", (char*)&expid, reclen);
+        return FALSE;
+    }
+
+    if((*size -= chunk->size) < 0)
+    {
+        FLUID_LOG(FLUID_ERR, "'%.4s' chunk size exceeds remaining PDTA chunk size", (char*)&expid);
+        return FALSE;
+    }
+
+    return TRUE;
+}
+
+static int process_pdta(SFData *sf, int size)
+{
+    SFChunk chunk;
+
+    if(!pdtahelper(sf, PHDR_FCC, SF_PHDR_SIZE, &chunk, &size))
+    {
+        return FALSE;
+    }
+
+    if(!load_phdr(sf, chunk.size))
+    {
+        return FALSE;
+    }
+
+    if(!pdtahelper(sf, PBAG_FCC, SF_BAG_SIZE, &chunk, &size))
+    {
+        return FALSE;
+    }
+
+    if(!load_pbag(sf, chunk.size))
+    {
+        return FALSE;
+    }
+
+    if(!pdtahelper(sf, PMOD_FCC, SF_MOD_SIZE, &chunk, &size))
+    {
+        return FALSE;
+    }
+
+    if(!load_pmod(sf, chunk.size))
+    {
+        return FALSE;
+    }
+
+    if(!pdtahelper(sf, PGEN_FCC, SF_GEN_SIZE, &chunk, &size))
+    {
+        return FALSE;
+    }
+
+    if(!load_pgen(sf, chunk.size))
+    {
+        return FALSE;
+    }
+
+    if(!pdtahelper(sf, IHDR_FCC, SF_IHDR_SIZE, &chunk, &size))
+    {
+        return FALSE;
+    }
+
+    if(!load_ihdr(sf, chunk.size))
+    {
+        return FALSE;
+    }
+
+    if(!pdtahelper(sf, IBAG_FCC, SF_BAG_SIZE, &chunk, &size))
+    {
+        return FALSE;
+    }
+
+    if(!load_ibag(sf, chunk.size))
+    {
+        return FALSE;
+    }
+
+    if(!pdtahelper(sf, IMOD_FCC, SF_MOD_SIZE, &chunk, &size))
+    {
+        return FALSE;
+    }
+
+    if(!load_imod(sf, chunk.size))
+    {
+        return FALSE;
+    }
+
+    if(!pdtahelper(sf, IGEN_FCC, SF_GEN_SIZE, &chunk, &size))
+    {
+        return FALSE;
+    }
+
+    if(!load_igen(sf, chunk.size))
+    {
+        return FALSE;
+    }
+
+    if(!pdtahelper(sf, SHDR_FCC, SF_SHDR_SIZE, &chunk, &size))
+    {
+        return FALSE;
+    }
+
+    if(!load_shdr(sf, chunk.size))
+    {
+        return FALSE;
+    }
+
+    return TRUE;
+}
+
+/* preset header loader */
+static int load_phdr(SFData *sf, unsigned int size)
+{
+    unsigned int i;
+    int i2;
+    SFPreset *preset, *prev_preset = NULL;
+    unsigned short pbag_idx, prev_pbag_idx = 0;
+
+    if(size % SF_PHDR_SIZE || size == 0)
+    {
+        FLUID_LOG(FLUID_ERR, "Preset header chunk size is invalid");
+        return FALSE;
+    }
+
+    i = size / SF_PHDR_SIZE - 1;
+
+    if(i == 0)
+    {
+        /* at least one preset + term record */
+        FLUID_LOG(FLUID_WARN, "File contains no presets");
+        FSKIP(sf, SF_PHDR_SIZE);
+        return TRUE;
+    }
+
+    for(; i > 0; i--)
+    {
+        /* load all preset headers */
+        if((preset = FLUID_NEW(SFPreset)) == NULL)
+        {
+            FLUID_LOG(FLUID_ERR, "Out of memory");
+            return FALSE;
+        }
+
+        sf->preset = fluid_list_append(sf->preset, preset);
+        preset->zone = NULL; /* In case of failure, fluid_sffile_close can cleanup */
+        READSTR(sf, &preset->name); /* possible read failure ^ */
+        READW(sf, preset->prenum);
+        READW(sf, preset->bank);
+        READW(sf, pbag_idx);
+        FSKIP(sf, 4); /* library ignored */
+        FSKIP(sf, 4); /* genre ignored */
+        FSKIP(sf, 4); /* morphology ignored */
+
+        if(prev_preset)
+        {
+            /* not first preset? */
+            if(pbag_idx < prev_pbag_idx)
+            {
+                FLUID_LOG(FLUID_ERR, "Preset header indices not monotonic");
+                return FALSE;
+            }
+
+            i2 = pbag_idx - prev_pbag_idx;
+
+            while(i2--)
+            {
+                prev_preset->zone = fluid_list_prepend(prev_preset->zone, NULL);
+            }
+        }
+        else if(pbag_idx > 0)  /* 1st preset, warn if ofs >0 */
+        {
+            FLUID_LOG(FLUID_WARN, "%d preset zones not referenced, discarding", pbag_idx);
+        }
+
+        prev_preset = preset; /* update preset ptr */
+        prev_pbag_idx = pbag_idx;
+    }
+
+    FSKIP(sf, 24);
+    READW(sf, pbag_idx); /* Read terminal generator index */
+    FSKIP(sf, 12);
+
+    if(pbag_idx < prev_pbag_idx)
+    {
+        FLUID_LOG(FLUID_ERR, "Preset header indices not monotonic");
+        return FALSE;
+    }
+
+    i2 = pbag_idx - prev_pbag_idx;
+
+    while(i2--)
+    {
+        prev_preset->zone = fluid_list_prepend(prev_preset->zone, NULL);
+    }
+
+    return TRUE;
+}
+
+/* preset bag loader */
+static int load_pbag(SFData *sf, int size)
+{
+    fluid_list_t *preset_list;
+    fluid_list_t *zone_list;
+    SFZone *z, *pz = NULL;
+    unsigned short genndx, modndx;
+    unsigned short pgenndx = 0, pmodndx = 0;
+    unsigned short i;
+
+    if(size % SF_BAG_SIZE || size == 0)  /* size is multiple of SF_BAG_SIZE? */
+    {
+        FLUID_LOG(FLUID_ERR, "Preset bag chunk size is invalid");
+        return FALSE;
+    }
+
+    preset_list = sf->preset;
+
+    /* traverse through presets */
+    while(preset_list)
+    {
+        zone_list = ((SFPreset *)(preset_list->data))->zone;
+
+        /* traverse preset's zones */
+        while(zone_list)
+        {
+            if((size -= SF_BAG_SIZE) < 0)
+            {
+                FLUID_LOG(FLUID_ERR, "Preset bag chunk size mismatch");
+                return FALSE;
+            }
+
+            if((z = FLUID_NEW(SFZone)) == NULL)
+            {
+                FLUID_LOG(FLUID_ERR, "Out of memory");
+                return FALSE;
+            }
+
+            zone_list->data = z;
+            z->gen = NULL; /* Init gen and mod before possible failure, */
+            z->mod = NULL; /* to ensure proper cleanup (fluid_sffile_close) */
+            READW(sf, genndx); /* possible read failure ^ */
+            READW(sf, modndx);
+
+            if(pz)
+            {
+                /* if not first zone */
+                if(genndx < pgenndx)
+                {
+                    FLUID_LOG(FLUID_ERR, "Preset bag generator indices not monotonic");
+                    return FALSE;
+                }
+
+                if(modndx < pmodndx)
+                {
+                    FLUID_LOG(FLUID_ERR, "Preset bag modulator indices not monotonic");
+                    return FALSE;
+                }
+
+                i = genndx - pgenndx;
+
+                while(i--)
+                {
+                    pz->gen = fluid_list_prepend(pz->gen, NULL);
+                }
+
+                i = modndx - pmodndx;
+
+                while(i--)
+                {
+                    pz->mod = fluid_list_prepend(pz->mod, NULL);
+                }
+            }
+
+            pz = z; /* update previous zone ptr */
+            pgenndx = genndx; /* update previous zone gen index */
+            pmodndx = modndx; /* update previous zone mod index */
+            zone_list = fluid_list_next(zone_list);
+        }
+
+        preset_list = fluid_list_next(preset_list);
+    }
+
+    size -= SF_BAG_SIZE;
+
+    if(size != 0)
+    {
+        FLUID_LOG(FLUID_ERR, "Preset bag chunk size mismatch");
+        return FALSE;
+    }
+
+    READW(sf, genndx);
+    READW(sf, modndx);
+
+    if(!pz)
+    {
+        if(genndx > 0)
+        {
+            FLUID_LOG(FLUID_WARN, "No preset generators and terminal index not 0");
+        }
+
+        if(modndx > 0)
+        {
+            FLUID_LOG(FLUID_WARN, "No preset modulators and terminal index not 0");
+        }
+
+        return TRUE;
+    }
+
+    if(genndx < pgenndx)
+    {
+        FLUID_LOG(FLUID_ERR, "Preset bag generator indices not monotonic");
+        return FALSE;
+    }
+
+    if(modndx < pmodndx)
+    {
+        FLUID_LOG(FLUID_ERR, "Preset bag modulator indices not monotonic");
+        return FALSE;
+    }
+
+    i = genndx - pgenndx;
+
+    while(i--)
+    {
+        pz->gen = fluid_list_prepend(pz->gen, NULL);
+    }
+
+    i = modndx - pmodndx;
+
+    while(i--)
+    {
+        pz->mod = fluid_list_prepend(pz->mod, NULL);
+    }
+
+    return TRUE;
+}
+
+/* preset modulator loader */
+static int load_pmod(SFData *sf, int size)
+{
+    fluid_list_t *preset_list;
+    fluid_list_t *zone_list;
+    fluid_list_t *mod_list;
+    SFMod *m;
+
+    preset_list = sf->preset;
+
+    while(preset_list)
+    {
+        /* traverse through all presets */
+        zone_list = ((SFPreset *)(preset_list->data))->zone;
+
+        while(zone_list)
+        {
+            /* traverse this preset's zones */
+            mod_list = ((SFZone *)(zone_list->data))->mod;
+
+            while(mod_list)
+            {
+                /* load zone's modulators */
+                if((size -= SF_MOD_SIZE) < 0)
+                {
+                    FLUID_LOG(FLUID_ERR, "Preset modulator chunk size mismatch");
+                    return FALSE;
+                }
+
+                if((m = FLUID_NEW(SFMod)) == NULL)
+                {
+                    FLUID_LOG(FLUID_ERR, "Out of memory");
+                    return FALSE;
+                }
+
+                mod_list->data = m;
+                READW(sf, m->src);
+                READW(sf, m->dest);
+                READW(sf, m->amount);
+                READW(sf, m->amtsrc);
+                READW(sf, m->trans);
+                mod_list = fluid_list_next(mod_list);
+            }
+
+            zone_list = fluid_list_next(zone_list);
+        }
+
+        preset_list = fluid_list_next(preset_list);
+    }
+
+    /*
+       If there isn't even a terminal record
+       Hmmm, the specs say there should be one, but..
+     */
+    if(size == 0)
+    {
+        return TRUE;
+    }
+
+    size -= SF_MOD_SIZE;
+
+    if(size != 0)
+    {
+        FLUID_LOG(FLUID_ERR, "Preset modulator chunk size mismatch");
+        return FALSE;
+    }
+
+    FSKIP(sf, SF_MOD_SIZE); /* terminal mod */
+
+    return TRUE;
+}
+
+/* -------------------------------------------------------------------
+ * preset generator loader
+ * generator (per preset) loading rules:
+ * Zones with no generators or modulators shall be annihilated
+ * Global zone must be 1st zone, discard additional ones (instrumentless zones)
+ *
+ * generator (per zone) loading rules (in order of decreasing precedence):
+ * KeyRange is 1st in list (if exists), else discard
+ * if a VelRange exists only preceded by a KeyRange, else discard
+ * if a generator follows an instrument discard it
+ * if a duplicate generator exists replace previous one
+ * ------------------------------------------------------------------- */
+int load_pgen(SFData *sf, int size)
+{
+    fluid_list_t *dup;
+    fluid_list_t *preset_list;
+    fluid_list_t *zone_list;
+    fluid_list_t *gen_list;
+    SFZone *zone;
+    SFGen *g;
+    SFPreset *preset;
+    SFGenAmount genval;
+    unsigned short genid;
+    int level, skip, drop, discarded;
+
+    preset_list = sf->preset;
+
+    while(preset_list)
+    {
+        preset = fluid_list_get(preset_list);
+
+        /* traverse through all presets */
+        discarded = FALSE;
+        zone_list = preset->zone;
+
+        /* traverse preset's zones */
+        while(zone_list)
+        {
+            zone = fluid_list_get(zone_list);
+            level = 0;
+            gen_list = zone->gen;
+
+            while(gen_list)
+            {
+                /* load zone's generators */
+                dup = NULL;
+                skip = FALSE;
+                drop = FALSE;
+
+                if((size -= SF_GEN_SIZE) < 0)
+                {
+                    FLUID_LOG(FLUID_ERR, "Preset generator chunk size mismatch");
+                    return FALSE;
+                }
+
+                READW(sf, genid);
+
+                if(genid == GEN_KEYRANGE)
+                {
+                    /* nothing precedes */
+                    if(level == 0)
+                    {
+                        level = 1;
+                        READB(sf, genval.range.lo);
+                        READB(sf, genval.range.hi);
+                    }
+                    else
+                    {
+                        skip = TRUE;
+                    }
+                }
+                else if(genid == GEN_VELRANGE)
+                {
+                    /* only KeyRange precedes */
+                    if(level <= 1)
+                    {
+                        level = 2;
+                        READB(sf, genval.range.lo);
+                        READB(sf, genval.range.hi);
+                    }
+                    else
+                    {
+                        skip = TRUE;
+                    }
+                }
+                else if(genid == GEN_INSTRUMENT)
+                {
+                    /* inst is last gen */
+                    level = 3;
+                    READW(sf, genval.uword);
+                }
+                else
+                {
+                    level = 2;
+
+                    if(valid_preset_genid(genid))
+                    {
+                        /* generator valid? */
+                        READW(sf, genval.sword);
+                        dup = find_gen_by_id(genid, zone->gen);
+                    }
+                    else
+                    {
+                        skip = TRUE;
+                    }
+                }
+
+                if(!skip)
+                {
+                    if(!dup)
+                    {
+                        /* if gen ! dup alloc new */
+                        if((g = FLUID_NEW(SFGen)) == NULL)
+                        {
+                            FLUID_LOG(FLUID_ERR, "Out of memory");
+                            return FALSE;
+                        }
+
+                        gen_list->data = g;
+                        g->id = genid;
+                    }
+                    else
+                    {
+                        g = (SFGen *)(dup->data); /* ptr to orig gen */
+                        drop = TRUE;
+                    }
+
+                    g->amount = genval;
+                }
+                else
+                {
+                    /* Skip this generator */
+                    discarded = TRUE;
+                    drop = TRUE;
+                    FSKIPW(sf);
+                }
+
+                if(!drop)
+                {
+                    gen_list = fluid_list_next(gen_list);    /* next gen */
+                }
+                else
+                {
+                    SLADVREM(zone->gen, gen_list);    /* drop place holder */
+                }
+
+                /* GEN_INSTRUMENT should be the last generator */
+                if (level == 3)
+                {
+                    break;
+                }
+
+            } /* generator loop */
+
+            /* Anything below level 3 means it's a global zone. The global zone
+             * should always be the first zone in the list, so discard any
+             * other global zones we encounter */
+            if(level < 3 && (zone_list != preset->zone))
+            {
+                /* advance to next zone before deleting the current list element */
+                zone_list = fluid_list_next(zone_list);
+
+                FLUID_LOG(FLUID_WARN, "Preset '%s': Discarding invalid global zone",
+                            preset->name);
+                preset->zone = fluid_list_remove(preset->zone, zone);
+                delete_zone(zone);
+
+                /* we have already advanced the zone_list pointer, so continue with next zone */
+                continue;
+            }
+
+            /* All remaining generators are invalid and should be discarded
+             * (because they come after an instrument generator) */
+            while(gen_list)
+            {
+                discarded = TRUE;
+
+                if((size -= SF_GEN_SIZE) < 0)
+                {
+                    FLUID_LOG(FLUID_ERR, "Preset generator chunk size mismatch");
+                    return FALSE;
+                }
+
+                FSKIP(sf, SF_GEN_SIZE);
+                SLADVREM(zone->gen, gen_list);
+            }
+
+            zone_list = fluid_list_next(zone_list);
+        }
+
+        if(discarded)
+        {
+            FLUID_LOG(FLUID_WARN,
+                      "Preset '%s': Some invalid generators were discarded",
+                      preset->name);
+        }
+
+        preset_list = fluid_list_next(preset_list);
+    }
+
+    /* in case there isn't a terminal record */
+    if(size == 0)
+    {
+        return TRUE;
+    }
+
+    size -= SF_GEN_SIZE;
+
+    if(size != 0)
+    {
+        FLUID_LOG(FLUID_ERR, "Preset generator chunk size mismatch");
+        return FALSE;
+    }
+
+    FSKIP(sf, SF_GEN_SIZE); /* terminal gen */
+
+    return TRUE;
+}
+
+/* instrument header loader */
+static int load_ihdr(SFData *sf, unsigned int size)
+{
+    unsigned int i;
+    int i2;
+    SFInst *inst, *prev_inst = NULL; /* ptr to current & previous instrument */
+    unsigned short zndx, pzndx = 0;
+
+    if(size % SF_IHDR_SIZE || size == 0)  /* chunk size is valid? */
+    {
+        FLUID_LOG(FLUID_ERR, "Instrument header has invalid size");
+        return FALSE;
+    }
+
+    size = size / SF_IHDR_SIZE - 1;
+
+    if(size == 0)
+    {
+        /* at least one preset + term record */
+        FLUID_LOG(FLUID_WARN, "File contains no instruments");
+        FSKIP(sf, SF_IHDR_SIZE);
+        return TRUE;
+    }
+
+    for(i = 0; i < size; i++)
+    {
+        /* load all instrument headers */
+        if((inst = FLUID_NEW(SFInst)) == NULL)
+        {
+            FLUID_LOG(FLUID_ERR, "Out of memory");
+            return FALSE;
+        }
+
+        sf->inst = fluid_list_append(sf->inst, inst);
+        inst->zone = NULL; /* For proper cleanup if fail (fluid_sffile_close) */
+        inst->idx = i;
+        READSTR(sf, &inst->name); /* Possible read failure ^ */
+        READW(sf, zndx);
+
+        if(prev_inst)
+        {
+            /* not first instrument? */
+            if(zndx < pzndx)
+            {
+                FLUID_LOG(FLUID_ERR, "Instrument header indices not monotonic");
+                return FALSE;
+            }
+
+            i2 = zndx - pzndx;
+
+            while(i2--)
+            {
+                prev_inst->zone = fluid_list_prepend(prev_inst->zone, NULL);
+            }
+        }
+        else if(zndx > 0)  /* 1st inst, warn if ofs >0 */
+        {
+            FLUID_LOG(FLUID_WARN, "%d instrument zones not referenced, discarding", zndx);
+        }
+
+        pzndx = zndx;
+        prev_inst = inst; /* update instrument ptr */
+    }
+
+    FSKIP(sf, 20);
+    READW(sf, zndx);
+
+    if(zndx < pzndx)
+    {
+        FLUID_LOG(FLUID_ERR, "Instrument header indices not monotonic");
+        return FALSE;
+    }
+
+    i2 = zndx - pzndx;
+
+    while(i2--)
+    {
+        prev_inst->zone = fluid_list_prepend(prev_inst->zone, NULL);
+    }
+
+    return TRUE;
+}
+
+/* instrument bag loader */
+static int load_ibag(SFData *sf, int size)
+{
+    fluid_list_t *inst_list;
+    fluid_list_t *zone_list;
+    SFZone *z, *pz = NULL;
+    unsigned short genndx, modndx, pgenndx = 0, pmodndx = 0;
+    int i;
+
+    if(size % SF_BAG_SIZE || size == 0)  /* size is multiple of SF_BAG_SIZE? */
+    {
+        FLUID_LOG(FLUID_ERR, "Instrument bag chunk size is invalid");
+        return FALSE;
+    }
+
+    inst_list = sf->inst;
+
+    while(inst_list)
+    {
+        /* traverse through inst */
+        zone_list = ((SFInst *)(inst_list->data))->zone;
+
+        while(zone_list)
+        {
+            /* load this inst's zones */
+            if((size -= SF_BAG_SIZE) < 0)
+            {
+                FLUID_LOG(FLUID_ERR, "Instrument bag chunk size mismatch");
+                return FALSE;
+            }
+
+            if((z = FLUID_NEW(SFZone)) == NULL)
+            {
+                FLUID_LOG(FLUID_ERR, "Out of memory");
+                return FALSE;
+            }
+
+            zone_list->data = z;
+            z->gen = NULL; /* In case of failure, */
+            z->mod = NULL; /* fluid_sffile_close can clean up */
+            READW(sf, genndx); /* READW = possible read failure */
+            READW(sf, modndx);
+
+            if(pz)
+            {
+                /* if not first zone */
+                if(genndx < pgenndx)
+                {
+                    FLUID_LOG(FLUID_ERR, "Instrument generator indices not monotonic");
+                    return FALSE;
+                }
+
+                if(modndx < pmodndx)
+                {
+                    FLUID_LOG(FLUID_ERR, "Instrument modulator indices not monotonic");
+                    return FALSE;
+                }
+
+                i = genndx - pgenndx;
+
+                while(i--)
+                {
+                    pz->gen = fluid_list_prepend(pz->gen, NULL);
+                }
+
+                i = modndx - pmodndx;
+
+                while(i--)
+                {
+                    pz->mod = fluid_list_prepend(pz->mod, NULL);
+                }
+            }
+
+            pz = z; /* update previous zone ptr */
+            pgenndx = genndx;
+            pmodndx = modndx;
+            zone_list = fluid_list_next(zone_list);
+        }
+
+        inst_list = fluid_list_next(inst_list);
+    }
+
+    size -= SF_BAG_SIZE;
+
+    if(size != 0)
+    {
+        FLUID_LOG(FLUID_ERR, "Instrument chunk size mismatch");
+        return FALSE;
+    }
+
+    READW(sf, genndx);
+    READW(sf, modndx);
+
+    if(!pz)
+    {
+        /* in case that all are no zoners */
+        if(genndx > 0)
+        {
+            FLUID_LOG(FLUID_WARN, "No instrument generators and terminal index not 0");
+        }
+
+        if(modndx > 0)
+        {
+            FLUID_LOG(FLUID_WARN, "No instrument modulators and terminal index not 0");
+        }
+
+        return TRUE;
+    }
+
+    if(genndx < pgenndx)
+    {
+        FLUID_LOG(FLUID_ERR, "Instrument generator indices not monotonic");
+        return FALSE;
+    }
+
+    if(modndx < pmodndx)
+    {
+        FLUID_LOG(FLUID_ERR, "Instrument modulator indices not monotonic");
+        return FALSE;
+    }
+
+    i = genndx - pgenndx;
+
+    while(i--)
+    {
+        pz->gen = fluid_list_prepend(pz->gen, NULL);
+    }
+
+    i = modndx - pmodndx;
+
+    while(i--)
+    {
+        pz->mod = fluid_list_prepend(pz->mod, NULL);
+    }
+
+    return TRUE;
+}
+
+/* instrument modulator loader */
+static int load_imod(SFData *sf, int size)
+{
+    fluid_list_t *inst_list;
+    fluid_list_t *zone_list;
+    fluid_list_t *mod_list;
+    SFMod *m;
+
+    inst_list = sf->inst;
+
+    while(inst_list)
+    {
+        /* traverse through all inst */
+        zone_list = ((SFInst *)(inst_list->data))->zone;
+
+        while(zone_list)
+        {
+            /* traverse this inst's zones */
+            mod_list = ((SFZone *)(zone_list->data))->mod;
+
+            while(mod_list)
+            {
+                /* load zone's modulators */
+                if((size -= SF_MOD_SIZE) < 0)
+                {
+                    FLUID_LOG(FLUID_ERR, "Instrument modulator chunk size mismatch");
+                    return FALSE;
+                }
+
+                if((m = FLUID_NEW(SFMod)) == NULL)
+                {
+                    FLUID_LOG(FLUID_ERR, "Out of memory");
+                    return FALSE;
+                }
+
+                mod_list->data = m;
+                READW(sf, m->src);
+                READW(sf, m->dest);
+                READW(sf, m->amount);
+                READW(sf, m->amtsrc);
+                READW(sf, m->trans);
+                mod_list = fluid_list_next(mod_list);
+            }
+
+            zone_list = fluid_list_next(zone_list);
+        }
+
+        inst_list = fluid_list_next(inst_list);
+    }
+
+    /*
+       If there isn't even a terminal record
+       Hmmm, the specs say there should be one, but..
+     */
+    if(size == 0)
+    {
+        return TRUE;
+    }
+
+    size -= SF_MOD_SIZE;
+
+    if(size != 0)
+    {
+        FLUID_LOG(FLUID_ERR, "Instrument modulator chunk size mismatch");
+        return FALSE;
+    }
+
+    FSKIP(sf, SF_MOD_SIZE); /* terminal mod */
+
+    return TRUE;
+}
+
+/* load instrument generators (see load_pgen for loading rules) */
+int load_igen(SFData *sf, int size)
+{
+    fluid_list_t *dup;
+    fluid_list_t *inst_list;
+    fluid_list_t *zone_list;
+    fluid_list_t *gen_list;
+    SFZone *zone;
+    SFGen *g;
+    SFInst *inst;
+    SFGenAmount genval;
+    unsigned short genid;
+    int level, skip, drop, discarded;
+
+    inst_list = sf->inst;
+
+    /* traverse through all instruments */
+    while(inst_list)
+    {
+        inst = fluid_list_get(inst_list);
+
+        discarded = FALSE;
+        zone_list = inst->zone;
+
+        /* traverse this instrument's zones */
+        while(zone_list)
+        {
+            zone = fluid_list_get(zone_list);
+
+            level = 0;
+            gen_list = zone->gen;
+
+            while(gen_list)
+            {
+                /* load zone's generators */
+                dup = NULL;
+                skip = FALSE;
+                drop = FALSE;
+
+                if((size -= SF_GEN_SIZE) < 0)
+                {
+                    FLUID_LOG(FLUID_ERR, "IGEN chunk size mismatch");
+                    return FALSE;
+                }
+
+                READW(sf, genid);
+
+                if(genid == GEN_KEYRANGE)
+                {
+                    /* nothing precedes */
+                    if(level == 0)
+                    {
+                        level = 1;
+                        READB(sf, genval.range.lo);
+                        READB(sf, genval.range.hi);
+                    }
+                    else
+                    {
+                        skip = TRUE;
+                    }
+                }
+                else if(genid == GEN_VELRANGE)
+                {
+                    /* only KeyRange precedes */
+                    if(level <= 1)
+                    {
+                        level = 2;
+                        READB(sf, genval.range.lo);
+                        READB(sf, genval.range.hi);
+                    }
+                    else
+                    {
+                        skip = TRUE;
+                    }
+                }
+                else if(genid == GEN_SAMPLEID)
+                {
+                    /* sample is last gen */
+                    level = 3;
+                    READW(sf, genval.uword);
+                }
+                else
+                {
+                    level = 2;
+
+                    if(valid_inst_genid(genid))
+                    {
+                        /* gen valid? */
+                        READW(sf, genval.sword);
+                        dup = find_gen_by_id(genid, zone->gen);
+                    }
+                    else
+                    {
+                        skip = TRUE;
+                    }
+                }
+
+                if(!skip)
+                {
+                    if(!dup)
+                    {
+                        /* if gen ! dup alloc new */
+                        if((g = FLUID_NEW(SFGen)) == NULL)
+                        {
+                            FLUID_LOG(FLUID_ERR, "Out of memory");
+                            return FALSE;
+                        }
+
+                        gen_list->data = g;
+                        g->id = genid;
+                    }
+                    else
+                    {
+                        g = (SFGen *)(dup->data);
+                        drop = TRUE;
+                    }
+
+                    g->amount = genval;
+                }
+                else
+                {
+                    /* skip this generator */
+                    discarded = TRUE;
+                    drop = TRUE;
+                    FSKIPW(sf);
+                }
+
+                if(!drop)
+                {
+                    gen_list = fluid_list_next(gen_list);    /* next gen */
+                }
+                else
+                {
+                    SLADVREM(zone->gen, gen_list);
+                }
+
+                /* GEN_SAMPLEID should be last generator */
+                if (level == 3)
+                {
+                    break;
+                }
+
+            } /* generator loop */
+
+            /* Anything below level 3 means it's a global zone. The global zone
+             * should always be the first zone in the list, so discard any
+             * other global zones we encounter */
+            if(level < 3 && (zone_list != inst->zone))
+            {
+                /* advance to next zone before deleting the current list element */
+                zone_list = fluid_list_next(zone_list);
+
+                FLUID_LOG(FLUID_WARN, "Instrument '%s': Discarding invalid global zone",
+                            inst->name);
+                inst->zone = fluid_list_remove(inst->zone, zone);
+                delete_zone(zone);
+
+                /* we have already advanced the zone_list pointer, so continue with next zone */
+                continue;
+            }
+
+            /* All remaining generators must be invalid and should be discarded
+             * (because they come after a sampleid generator) */
+            while(gen_list)
+            {
+                discarded = TRUE;
+
+                if((size -= SF_GEN_SIZE) < 0)
+                {
+                    FLUID_LOG(FLUID_ERR, "Instrument generator chunk size mismatch");
+                    return FALSE;
+                }
+
+                FSKIP(sf, SF_GEN_SIZE);
+                SLADVREM(zone->gen, gen_list);
+            }
+
+            zone_list = fluid_list_next(zone_list); /* next zone */
+        }
+
+        if(discarded)
+        {
+            FLUID_LOG(FLUID_WARN,
+                      "Instrument '%s': Some invalid generators were discarded",
+                      inst->name);
+        }
+
+        inst_list = fluid_list_next(inst_list);
+    }
+
+    /* for those non-terminal record cases, grr! */
+    if(size == 0)
+    {
+        return TRUE;
+    }
+
+    size -= SF_GEN_SIZE;
+
+    if(size != 0)
+    {
+        FLUID_LOG(FLUID_ERR, "IGEN chunk size mismatch");
+        return FALSE;
+    }
+
+    FSKIP(sf, SF_GEN_SIZE); /* terminal gen */
+
+    return TRUE;
+}
+
+/* sample header loader */
+static int load_shdr(SFData *sf, unsigned int size)
+{
+    unsigned int i;
+    SFSample *p;
+
+    if(size % SF_SHDR_SIZE || size == 0)  /* size is multiple of SHDR size? */
+    {
+        FLUID_LOG(FLUID_ERR, "Sample header has invalid size");
+        return FALSE;
+    }
+
+    size = size / SF_SHDR_SIZE - 1;
+
+    if(size == 0)
+    {
+        /* at least one sample + term record? */
+        FLUID_LOG(FLUID_WARN, "File contains no samples");
+        FSKIP(sf, SF_SHDR_SIZE);
+        return TRUE;
+    }
+
+    /* load all sample headers */
+    for(i = 0; i < size; i++)
+    {
+        if((p = FLUID_NEW(SFSample)) == NULL)
+        {
+            FLUID_LOG(FLUID_ERR, "Out of memory");
+            return FALSE;
+        }
+        p->idx = i;
+
+        sf->sample = fluid_list_prepend(sf->sample, p);
+        READSTR(sf, &p->name);
+        READD(sf, p->start);
+        READD(sf, p->end);
+        READD(sf, p->loopstart);
+        READD(sf, p->loopend);
+        READD(sf, p->samplerate);
+        READB(sf, p->origpitch);
+        READB(sf, p->pitchadj);
+        FSKIPW(sf); /* skip sample link */
+        READW(sf, p->sampletype);
+    }
+
+    FSKIP(sf, SF_SHDR_SIZE); /* skip terminal shdr */
+
+    return TRUE;
+}
+
+void delete_preset(SFPreset *preset)
+{
+    fluid_list_t *entry;
+    SFZone *zone;
+
+    if(!preset)
+    {
+        return;
+    }
+
+    entry = preset->zone;
+
+    while(entry)
+    {
+        zone = (SFZone *)fluid_list_get(entry);
+        delete_zone(zone);
+        entry = fluid_list_next(entry);
+    }
+
+    delete_fluid_list(preset->zone);
+
+    FLUID_FREE(preset);
+}
+
+void delete_inst(SFInst *inst)
+{
+    fluid_list_t *entry;
+    SFZone *zone;
+
+    if(!inst)
+    {
+        return;
+    }
+
+    entry = inst->zone;
+
+    while(entry)
+    {
+        zone = (SFZone *)fluid_list_get(entry);
+        delete_zone(zone);
+        entry = fluid_list_next(entry);
+    }
+
+    delete_fluid_list(inst->zone);
+
+    FLUID_FREE(inst);
+}
+
+
+/* Free all elements of a zone (Preset or Instrument) */
+void delete_zone(SFZone *zone)
+{
+    fluid_list_t *entry;
+
+    if(!zone)
+    {
+        return;
+    }
+
+    entry = zone->gen;
+
+    while(entry)
+    {
+        FLUID_FREE(fluid_list_get(entry));
+        entry = fluid_list_next(entry);
+    }
+
+    delete_fluid_list(zone->gen);
+
+    entry = zone->mod;
+
+    while(entry)
+    {
+        FLUID_FREE(fluid_list_get(entry));
+        entry = fluid_list_next(entry);
+    }
+
+    delete_fluid_list(zone->mod);
+
+    FLUID_FREE(zone);
+}
+
+/* preset sort function, first by bank, then by preset # */
+static int preset_compare_func(const void *a, const void *b)
+{
+    int aval, bval;
+
+    aval = (int)(((const SFPreset *)a)->bank) << 16 | ((const SFPreset *)a)->prenum;
+    bval = (int)(((const SFPreset *)b)->bank) << 16 | ((const SFPreset *)b)->prenum;
+
+    return (aval - bval);
+}
+
+/* Find a generator by its id in the passed in list.
+ *
+ * @return pointer to SFGen if found, otherwise NULL
+ */
+static fluid_list_t *find_gen_by_id(int gen, fluid_list_t *genlist)
+{
+    /* is generator in gen list? */
+    fluid_list_t *p;
+
+    p = genlist;
+
+    while(p)
+    {
+        if(p->data == NULL)
+        {
+            return NULL;
+        }
+
+        if(gen == ((SFGen *)p->data)->id)
+        {
+            break;
+        }
+
+        p = fluid_list_next(p);
+    }
+
+    return p;
+}
+
+/* check validity of instrument generator */
+static int valid_inst_genid(unsigned short genid)
+{
+    size_t i;
+
+    /* OVERRIDEROOTKEY is the last official generator, everything
+     * following it are generators internal to FluidSynth and will
+     * never appear in a SoundFont file. */
+    if(genid > GEN_OVERRIDEROOTKEY)
+    {
+        return FALSE;
+    }
+
+    for(i = 0; i < FLUID_N_ELEMENTS(invalid_inst_gen); i++)
+    {
+        if (invalid_inst_gen[i] == genid)
+        {
+            return FALSE;
+        }
+    }
+
+    return TRUE;
+}
+
+/* check validity of preset generator */
+static int valid_preset_genid(unsigned short genid)
+{
+    size_t i;
+
+    if(!valid_inst_genid(genid))
+    {
+        return FALSE;
+    }
+
+    for(i = 0; i < FLUID_N_ELEMENTS(invalid_preset_gen); i++)
+    {
+        if (invalid_preset_gen[i] == genid)
+        {
+            return FALSE;
+        }
+    }
+
+    return TRUE;
+}
+
+
+static int fluid_sffile_read_wav(SFData *sf, unsigned int start, unsigned int end, short **data, char **data24)
+{
+    short *loaded_data = NULL;
+    char *loaded_data24 = NULL;
+    unsigned int num_samples;
+
+    fluid_return_val_if_fail((end + 1) > start , -1);
+
+    num_samples = (end + 1) - start;
+
+    if((start * sizeof(short) > sf->samplesize) || (end * sizeof(short) > sf->samplesize))
+    {
+        FLUID_LOG(FLUID_ERR, "Sample offsets exceed sample data chunk");
+        goto error_exit;
+    }
+
+    /* Load 16-bit sample data */
+    if(sf->fcbs->fseek(sf->sffd, sf->samplepos + (start * sizeof(short)), SEEK_SET) == FLUID_FAILED)
+    {
+        FLUID_LOG(FLUID_ERR, "Failed to seek to sample position");
+        goto error_exit;
+    }
+
+    loaded_data = FLUID_ARRAY(short, num_samples);
+
+    if(loaded_data == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        goto error_exit;
+    }
+
+    if(sf->fcbs->fread(loaded_data, num_samples * sizeof(short), sf->sffd) == FLUID_FAILED)
+    {
+#if FLUID_VERSION_CHECK(FLUIDSYNTH_VERSION_MAJOR, FLUIDSYNTH_VERSION_MINOR, FLUIDSYNTH_VERSION_MICRO) < FLUID_VERSION_CHECK(2,2,0)
+        if((int)(num_samples * sizeof(short)) < 0)
+        {
+            FLUID_LOG(FLUID_INFO,
+                      "This SoundFont seems to be bigger than 2GB, which is not supported in this version of fluidsynth. "
+                      "You need to use at least fluidsynth 2.2.0");
+        }
+#endif
+        FLUID_LOG(FLUID_ERR, "Failed to read sample data");
+        goto error_exit;
+    }
+
+    /* If this machine is big endian, byte swap the 16 bit samples */
+    if(FLUID_IS_BIG_ENDIAN)
+    {
+        unsigned int i;
+
+        for(i = 0; i < num_samples; i++)
+        {
+            loaded_data[i] = FLUID_LE16TOH(loaded_data[i]);
+        }
+    }
+
+    *data = loaded_data;
+
+    /* Optionally load additional 8 bit sample data for 24-bit support. Any failures while loading
+     * the 24-bit sample data will be logged as errors but won't prevent the sample reading to
+     * fail, as sound output is still possible with the 16-bit sample data. */
+    if(sf->sample24pos)
+    {
+        if((start > sf->sample24size) || (end > sf->sample24size))
+        {
+            FLUID_LOG(FLUID_ERR, "Sample offsets exceed 24-bit sample data chunk");
+            goto error24_exit;
+        }
+
+        if(sf->fcbs->fseek(sf->sffd, sf->sample24pos + start, SEEK_SET) == FLUID_FAILED)
+        {
+            FLUID_LOG(FLUID_ERR, "Failed to seek position for 24-bit sample data in data file");
+            goto error24_exit;
+        }
+
+        loaded_data24 = FLUID_ARRAY(char, num_samples);
+
+        if(loaded_data24 == NULL)
+        {
+            FLUID_LOG(FLUID_ERR, "Out of memory reading 24-bit sample data");
+            goto error24_exit;
+        }
+
+        if(sf->fcbs->fread(loaded_data24, num_samples, sf->sffd) == FLUID_FAILED)
+        {
+            FLUID_LOG(FLUID_ERR, "Failed to read 24-bit sample data");
+            goto error24_exit;
+        }
+    }
+
+    *data24 = loaded_data24;
+
+    return num_samples;
+
+error24_exit:
+    FLUID_LOG(FLUID_WARN, "Ignoring 24-bit sample data, sound quality might suffer");
+    FLUID_FREE(loaded_data24);
+    *data24 = NULL;
+    return num_samples;
+
+error_exit:
+    FLUID_FREE(loaded_data);
+    FLUID_FREE(loaded_data24);
+    return -1;
+}
+
+
+/* Ogg Vorbis loading and decompression */
+#if LIBSNDFILE_SUPPORT
+
+/* Virtual file access routines to allow loading individually compressed
+ * samples from the Soundfont sample data chunk using the file callbacks
+ * passing in during opening of the file */
+typedef struct _sfvio_data_t
+{
+    SFData *sffile;
+    sf_count_t start;  /* start byte offset of compressed data */
+    sf_count_t end;    /* end byte offset of compressed data */
+    sf_count_t offset; /* current virtual file offset from start byte offset */
+
+} sfvio_data_t;
+
+static sf_count_t sfvio_get_filelen(void *user_data)
+{
+    sfvio_data_t *data = user_data;
+
+    return (data->end + 1) - data->start;
+}
+
+static sf_count_t sfvio_seek(sf_count_t offset, int whence, void *user_data)
+{
+    sfvio_data_t *data = user_data;
+    SFData *sf = data->sffile;
+    sf_count_t new_offset;
+
+    switch(whence)
+    {
+    case SEEK_SET:
+        new_offset = offset;
+        break;
+
+    case SEEK_CUR:
+        new_offset = data->offset + offset;
+        break;
+
+    case SEEK_END:
+        new_offset = sfvio_get_filelen(user_data) + offset;
+        break;
+
+    default:
+        goto fail; /* proper error handling not possible?? */
+    }
+
+    new_offset += data->start;
+    fluid_rec_mutex_lock(sf->mtx);
+    if (data->start <= new_offset && new_offset <= data->end &&
+        sf->fcbs->fseek(sf->sffd, new_offset, SEEK_SET) != FLUID_FAILED)
+    {
+        data->offset = new_offset - data->start;
+    }
+    fluid_rec_mutex_unlock(sf->mtx);
+
+fail:
+    return data->offset;
+}
+
+static sf_count_t sfvio_read(void *ptr, sf_count_t count, void *user_data)
+{
+    sfvio_data_t *data = user_data;
+    SFData *sf = data->sffile;
+    sf_count_t remain;
+
+    remain = sfvio_get_filelen(user_data) - data->offset;
+
+    if(count > remain)
+    {
+        count = remain;
+    }
+
+    if(count == 0)
+    {
+        return count;
+    }
+
+    fluid_rec_mutex_lock(sf->mtx);
+    if (sf->fcbs->fseek(sf->sffd, data->start + data->offset, SEEK_SET) == FLUID_FAILED)
+    {
+        FLUID_LOG(FLUID_ERR, "This should never happen: fseek failed in sfvoid_read()");
+        count = 0;
+    }
+    else
+    {
+        if (sf->fcbs->fread(ptr, count, sf->sffd) == FLUID_FAILED)
+        {
+            FLUID_LOG(FLUID_ERR, "Failed to read compressed sample data");
+            count = 0;
+        }
+    }
+    fluid_rec_mutex_unlock(sf->mtx);
+
+    data->offset += count;
+
+    return count;
+}
+
+static sf_count_t sfvio_tell(void *user_data)
+{
+    sfvio_data_t *data = user_data;
+
+    return data->offset;
+}
+
+/**
+ * Read Ogg Vorbis compressed data from the Soundfont and decompress it, returning the number of samples
+ * in the decompressed WAV. Only 16-bit mono samples are supported.
+ *
+ * Note that this function takes byte indices for start and end source data. The sample headers in SF3
+ * files use byte indices, so those pointers can be passed directly to this function.
+ *
+ * This function uses a virtual file structure in order to read the Ogg Vorbis
+ * data from arbitrary locations in the source file.
+ */
+static int fluid_sffile_read_vorbis(SFData *sf, unsigned int start_byte, unsigned int end_byte, short **data)
+{
+    SNDFILE *sndfile;
+    SF_INFO sfinfo;
+    SF_VIRTUAL_IO sfvio =
+    {
+        sfvio_get_filelen,
+        sfvio_seek,
+        sfvio_read,
+        NULL,
+        sfvio_tell
+    };
+    sfvio_data_t sfdata;
+    short *wav_data = NULL;
+
+    if((start_byte > sf->samplesize) || (end_byte > sf->samplesize))
+    {
+        FLUID_LOG(FLUID_ERR, "Ogg Vorbis data offsets exceed sample data chunk");
+        return -1;
+    }
+
+    // Initialize file position indicator and SF_INFO structure
+    sfdata.sffile = sf;
+    sfdata.start = sf->samplepos + start_byte;
+    sfdata.end = sf->samplepos + end_byte;
+    sfdata.offset = -1;
+
+    /* Seek to sfdata.start, the beginning of Ogg Vorbis data in Soundfont */
+    sfvio_seek(0, SEEK_SET, &sfdata);
+    if (sfdata.offset != 0)
+    {
+        FLUID_LOG(FLUID_ERR, "Failed to seek to compressed sample position");
+        return -1;
+    }
+
+    FLUID_MEMSET(&sfinfo, 0, sizeof(sfinfo));
+
+    // Open sample as a virtual file
+    sndfile = sf_open_virtual(&sfvio, SFM_READ, &sfinfo, &sfdata);
+
+    if(!sndfile)
+    {
+        FLUID_LOG(FLUID_ERR, "sf_open_virtual(): %s", sf_strerror(sndfile));
+        return -1;
+    }
+
+    // Empty sample
+    if(sfinfo.frames <= 0 || sfinfo.channels <= 0)
+    {
+        FLUID_LOG(FLUID_DBG, "Empty decompressed sample");
+        *data = NULL;
+        sf_close(sndfile);
+        return 0;
+    }
+
+    // Mono sample
+    if(sfinfo.channels != 1)
+    {
+        FLUID_LOG(FLUID_DBG, "Unsupported channel count %d in ogg sample", sfinfo.channels);
+        goto error_exit;
+    }
+
+    if((sfinfo.format & SF_FORMAT_OGG) == 0)
+    {
+        FLUID_LOG(FLUID_WARN, "OGG sample is not OGG compressed, this is not officially supported");
+    }
+
+    wav_data = FLUID_ARRAY(short, sfinfo.frames * sfinfo.channels);
+
+    if(!wav_data)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        goto error_exit;
+    }
+
+    /* Automatically decompresses the Ogg Vorbis data to 16-bit PCM */
+    if(sf_readf_short(sndfile, wav_data, sfinfo.frames) < sfinfo.frames)
+    {
+        FLUID_LOG(FLUID_DBG, "Decompression failed!");
+        FLUID_LOG(FLUID_ERR, "sf_readf_short(): %s", sf_strerror(sndfile));
+        goto error_exit;
+    }
+
+    sf_close(sndfile);
+
+    *data = wav_data;
+
+    return sfinfo.frames;
+
+error_exit:
+    FLUID_FREE(wav_data);
+    sf_close(sndfile);
+    return -1;
+}
+#else
+static int fluid_sffile_read_vorbis(SFData *sf, unsigned int start_byte, unsigned int end_byte, short **data)
+{
+    return -1;
+}
+#endif
diff --git a/libs/fluidsynth/src/sfloader/fluid_sffile.h b/libs/fluidsynth/src/sfloader/fluid_sffile.h
new file mode 100644
index 00000000000..5275c6252bc
--- /dev/null
+++ b/libs/fluidsynth/src/sfloader/fluid_sffile.h
@@ -0,0 +1,194 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * SoundFont loading code borrowed from Smurf SoundFont Editor by Josh Green
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+
+#ifndef _FLUID_SFFILE_H
+#define _FLUID_SFFILE_H
+
+
+#include "fluid_gen.h"
+#include "fluid_list.h"
+#include "fluid_mod.h"
+#include "fluidsynth.h"
+#include "fluid_sys.h"
+
+
+/* Sound Font structure defines */
+
+/* Forward declarations */
+typedef union _SFGenAmount SFGenAmount;
+typedef struct _SFVersion SFVersion;
+typedef struct _SFMod SFMod;
+typedef struct _SFGen SFGen;
+typedef struct _SFZone SFZone;
+typedef struct _SFSample SFSample;
+typedef struct _SFInst SFInst;
+typedef struct _SFPreset SFPreset;
+typedef struct _SFData SFData;
+typedef struct _SFChunk SFChunk;
+
+
+struct _SFVersion
+{
+    /* version structure */
+    unsigned short major;
+    unsigned short minor;
+};
+
+struct _SFMod
+{
+    /* Modulator structure */
+    unsigned short src; /* source modulator */
+    unsigned short dest; /* destination generator */
+    signed short amount; /* signed, degree of modulation */
+    unsigned short amtsrc; /* second source controls amnt of first */
+    unsigned short trans; /* transform applied to source */
+};
+
+union _SFGenAmount   /* Generator amount structure */
+{
+    signed short sword; /* signed 16 bit value */
+    unsigned short uword; /* unsigned 16 bit value */
+    struct
+    {
+        unsigned char lo; /* low value for ranges */
+        unsigned char hi; /* high value for ranges */
+    } range;
+};
+
+struct _SFGen
+{
+    /* Generator structure */
+    unsigned short id; /* generator ID */
+    SFGenAmount amount; /* generator value */
+};
+
+struct _SFZone
+{
+    /* Sample/instrument zone structure */
+    fluid_list_t *gen; /* list of generators */
+    fluid_list_t *mod; /* list of modulators */
+};
+
+struct _SFSample
+{
+    /* Sample structure */
+    char name[21]; /* Name of sample */
+    int idx; /* Index of this instrument in the Soundfont */
+    unsigned int start; /* Offset in sample area to start of sample */
+    unsigned int end; /* Offset from start to end of sample,
+             this is the last point of the
+             sample, the SF spec has this as the
+             1st point after, corrected on
+             load/save */
+    unsigned int loopstart; /* Offset from start to start of loop */
+    unsigned int loopend; /* Offset from start to end of loop,
+                 marks the first point after loop,
+                 whose sample value is ideally
+                 equivalent to loopstart */
+    unsigned int samplerate; /* Sample rate recorded at */
+    unsigned char origpitch; /* root midi key number */
+    signed char pitchadj; /* pitch correction in cents */
+    unsigned short sampletype; /* 1 mono,2 right,4 left,linked 8,0x8000=ROM */
+    fluid_sample_t *fluid_sample; /* Imported sample (fixed up in fluid_defsfont_load) */
+};
+
+struct _SFInst
+{
+    /* Instrument structure */
+    char name[21]; /* Name of instrument */
+    int idx; /* Index of this instrument in the Soundfont */
+    fluid_list_t *zone; /* list of instrument zones */
+};
+
+struct _SFPreset
+{
+    /* Preset structure */
+    char name[21]; /* preset name */
+    unsigned short prenum; /* preset number */
+    unsigned short bank; /* bank number */
+    fluid_list_t *zone; /* list of preset zones */
+};
+
+/* NOTE: sffd is also used to determine if sound font is new (NULL) */
+struct _SFData
+{
+    /* Sound font data structure */
+    SFVersion version; /* sound font version */
+    SFVersion romver; /* ROM version */
+
+    unsigned int filesize;
+
+    unsigned int samplepos; /* position within sffd of the sample chunk */
+    unsigned int samplesize; /* length within sffd of the sample chunk */
+
+    unsigned int sample24pos; /* position within sffd of the sm24 chunk, set to zero if no 24 bit
+                                 sample support */
+    unsigned int sample24size; /* length within sffd of the sm24 chunk */
+
+    unsigned int hydrapos;
+    unsigned int hydrasize;
+
+    char *fname; /* file name */
+    FILE *sffd; /* loaded sfont file descriptor */
+    const fluid_file_callbacks_t *fcbs; /* file callbacks used to read this file */
+
+    fluid_rec_mutex_t mtx; /* this mutex can be used to synchronize calls to fcbs when using multiple threads (e.g. SF3 loading) */
+
+    fluid_list_t *info; /* linked list of info strings (1st byte is ID) */
+    fluid_list_t *preset; /* linked list of preset info */
+    fluid_list_t *inst; /* linked list of instrument info */
+    fluid_list_t *sample; /* linked list of sample info */
+};
+
+/* functions */
+
+
+/*-----------------------------------sffile.h----------------------------*/
+/*
+   File structures and routines (used to be in sffile.h)
+*/
+
+/* sfont file data structures */
+struct _SFChunk
+{
+    /* RIFF file chunk structure */
+    unsigned int id; /* chunk id */
+    unsigned int size; /* size of the following chunk */
+};
+
+/* Public functions  */
+SFData *fluid_sffile_open(const char *fname, const fluid_file_callbacks_t *fcbs);
+void fluid_sffile_close(SFData *sf);
+int fluid_sffile_parse_presets(SFData *sf);
+int fluid_sffile_read_sample_data(SFData *sf, unsigned int sample_start, unsigned int sample_end,
+                                  int sample_type, short **data, char **data24);
+
+
+/* extern only for unit test purposes */
+int load_igen(SFData *sf, int size);
+int load_pgen(SFData *sf, int size);
+void delete_preset(SFPreset *preset);
+void delete_inst(SFInst *inst);
+void delete_zone(SFZone *zone);
+
+#endif /* _FLUID_SFFILE_H */
diff --git a/libs/fluidsynth/src/sfloader/fluid_sfont.c b/libs/fluidsynth/src/sfloader/fluid_sfont.c
new file mode 100644
index 00000000000..00423c00356
--- /dev/null
+++ b/libs/fluidsynth/src/sfloader/fluid_sfont.c
@@ -0,0 +1,850 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#include "fluid_sfont.h"
+#include "fluid_sys.h"
+
+
+void *default_fopen(const char *path)
+{
+    const char* msg;
+    FILE* handle = fluid_file_open(path, &msg);
+
+    if(handle == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "fluid_sfloader_load(): Failed to open '%s': %s", path, msg);
+    }
+
+    return handle;
+}
+
+int default_fclose(void *handle)
+{
+    return FLUID_FCLOSE((FILE *)handle) == 0 ? FLUID_OK : FLUID_FAILED;
+}
+
+fluid_long_long_t default_ftell(void *handle)
+{
+    return FLUID_FTELL((FILE *)handle);
+}
+
+#ifdef _WIN32
+#define FLUID_PRIi64 "I64d"
+#else
+#define FLUID_PRIi64 "lld"
+#endif
+
+int safe_fread(void *buf, fluid_long_long_t count, void *fd)
+{
+    if(FLUID_FREAD(buf, (size_t)count, 1, (FILE *)fd) != 1)
+    {
+        if(feof((FILE *)fd))
+        {
+            FLUID_LOG(FLUID_ERR, "EOF while attempting to read %" FLUID_PRIi64 " bytes", count);
+        }
+        else
+        {
+            FLUID_LOG(FLUID_ERR, "File read failed");
+        }
+
+        return FLUID_FAILED;
+    }
+
+    return FLUID_OK;
+}
+
+int safe_fseek(void *fd, fluid_long_long_t ofs, int whence)
+{
+    if(FLUID_FSEEK((FILE *)fd, ofs, whence) != 0)
+    {
+        FLUID_LOG(FLUID_ERR, "File seek failed with offset = %" FLUID_PRIi64 " and whence = %d", ofs, whence);
+        return FLUID_FAILED;
+    }
+
+    return FLUID_OK;
+}
+
+#undef FLUID_PRIi64
+
+/**
+ * Creates a new SoundFont loader.
+ *
+ * @param load Pointer to a function that provides a #fluid_sfont_t (see #fluid_sfloader_load_t).
+ * @param free Pointer to a function that destroys this instance (see #fluid_sfloader_free_t).
+ * Unless any private data needs to be freed it is sufficient to set this to delete_fluid_sfloader().
+ *
+ * @return the SoundFont loader instance on success, NULL otherwise.
+ */
+fluid_sfloader_t *new_fluid_sfloader(fluid_sfloader_load_t load, fluid_sfloader_free_t free)
+{
+    fluid_sfloader_t *loader;
+
+    fluid_return_val_if_fail(load != NULL, NULL);
+    fluid_return_val_if_fail(free != NULL, NULL);
+
+    loader = FLUID_NEW(fluid_sfloader_t);
+
+    if(loader == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return NULL;
+    }
+
+    FLUID_MEMSET(loader, 0, sizeof(*loader));
+
+    loader->load = load;
+    loader->free = free;
+    fluid_sfloader_set_callbacks(loader,
+                                 default_fopen,
+                                 safe_fread,
+                                 safe_fseek,
+                                 default_ftell,
+                                 default_fclose);
+
+    return loader;
+}
+
+/**
+ * Frees a SoundFont loader created with new_fluid_sfloader().
+ *
+ * @param loader The SoundFont loader instance to free.
+ */
+void delete_fluid_sfloader(fluid_sfloader_t *loader)
+{
+    fluid_return_if_fail(loader != NULL);
+
+    FLUID_FREE(loader);
+}
+
+/**
+ * Specify private data to be used by #fluid_sfloader_load_t.
+ *
+ * @param loader The SoundFont loader instance.
+ * @param data The private data to store.
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise.
+ */
+int fluid_sfloader_set_data(fluid_sfloader_t *loader, void *data)
+{
+    fluid_return_val_if_fail(loader != NULL, FLUID_FAILED);
+
+    loader->data = data;
+    return FLUID_OK;
+}
+
+/**
+ * Obtain private data previously set with fluid_sfloader_set_data().
+ *
+ * @param loader The SoundFont loader instance.
+ * @return The private data or NULL if none explicitly set before.
+ */
+void *fluid_sfloader_get_data(fluid_sfloader_t *loader)
+{
+    fluid_return_val_if_fail(loader != NULL, NULL);
+
+    return loader->data;
+}
+
+/**
+ * Set custom callbacks to be used upon soundfont loading.
+ *
+ * @param loader The SoundFont loader instance.
+ * @param open A function implementing #fluid_sfloader_callback_open_t.
+ * @param read A function implementing #fluid_sfloader_callback_read_t.
+ * @param seek A function implementing #fluid_sfloader_callback_seek_t.
+ * @param tell A function implementing #fluid_sfloader_callback_tell_t.
+ * @param close A function implementing #fluid_sfloader_callback_close_t.
+ * @return #FLUID_OK if the callbacks have been successfully set, #FLUID_FAILED otherwise.
+ *
+ * Useful for loading a soundfont from memory, see \a doc/fluidsynth_sfload_mem.c as an example.
+ *
+ */
+int fluid_sfloader_set_callbacks(fluid_sfloader_t *loader,
+                                 fluid_sfloader_callback_open_t open,
+                                 fluid_sfloader_callback_read_t read,
+                                 fluid_sfloader_callback_seek_t seek,
+                                 fluid_sfloader_callback_tell_t tell,
+                                 fluid_sfloader_callback_close_t close)
+{
+    fluid_file_callbacks_t *cb;
+
+    fluid_return_val_if_fail(loader != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(open != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(read != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(seek != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(tell != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(close != NULL, FLUID_FAILED);
+
+    cb = &loader->file_callbacks;
+
+    cb->fopen = open;
+    cb->fread = read;
+    cb->fseek = seek;
+    cb->ftell = tell;
+    cb->fclose = close;
+
+    // NOTE: if we ever make the instpatch loader public, this may return FLUID_FAILED
+    return FLUID_OK;
+}
+
+/**
+ * Creates a new virtual SoundFont instance structure.
+ *
+ * @param get_name A function implementing #fluid_sfont_get_name_t.
+ * @param get_preset A function implementing #fluid_sfont_get_preset_t.
+ * @param iter_start A function implementing #fluid_sfont_iteration_start_t, or NULL if preset iteration not needed.
+ * @param iter_next A function implementing #fluid_sfont_iteration_next_t, or NULL if preset iteration not needed.
+ * @param free A function implementing #fluid_sfont_free_t.
+ * @return The soundfont instance on success or NULL otherwise.
+ */
+fluid_sfont_t *new_fluid_sfont(fluid_sfont_get_name_t get_name,
+                               fluid_sfont_get_preset_t get_preset,
+                               fluid_sfont_iteration_start_t iter_start,
+                               fluid_sfont_iteration_next_t iter_next,
+                               fluid_sfont_free_t free)
+{
+    fluid_sfont_t *sfont;
+
+    fluid_return_val_if_fail(get_name != NULL, NULL);
+    fluid_return_val_if_fail(get_preset != NULL, NULL);
+    fluid_return_val_if_fail(free != NULL, NULL);
+
+    sfont = FLUID_NEW(fluid_sfont_t);
+
+    if(sfont == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return NULL;
+    }
+
+    FLUID_MEMSET(sfont, 0, sizeof(*sfont));
+
+    sfont->get_name = get_name;
+    sfont->get_preset = get_preset;
+    sfont->iteration_start = iter_start;
+    sfont->iteration_next = iter_next;
+    sfont->free = free;
+
+    return sfont;
+}
+
+/**
+ * Set private data to use with a SoundFont instance.
+ *
+ * @param sfont The SoundFont instance.
+ * @param data The private data to store.
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise.
+ */
+int fluid_sfont_set_data(fluid_sfont_t *sfont, void *data)
+{
+    fluid_return_val_if_fail(sfont != NULL, FLUID_FAILED);
+
+    sfont->data = data;
+    return FLUID_OK;
+}
+
+/**
+ * Retrieve the private data of a SoundFont instance.
+ *
+ * @param sfont The SoundFont instance.
+ * @return The private data or NULL if none explicitly set before.
+ */
+void *fluid_sfont_get_data(fluid_sfont_t *sfont)
+{
+    fluid_return_val_if_fail(sfont != NULL, NULL);
+
+    return sfont->data;
+}
+
+/**
+ * Retrieve the unique ID of a SoundFont instance.
+ *
+ * @param sfont The SoundFont instance.
+ * @return The SoundFont ID.
+ */
+int fluid_sfont_get_id(fluid_sfont_t *sfont)
+{
+    return sfont->id;
+}
+
+/**
+ * Retrieve the name of a SoundFont instance.
+ *
+ * @param sfont The SoundFont instance.
+ * @return The name of the SoundFont.
+ */
+const char *fluid_sfont_get_name(fluid_sfont_t *sfont)
+{
+    return sfont->get_name(sfont);
+}
+
+/**
+ * Retrieve the preset assigned the a SoundFont instance for the given bank and preset number.
+ *
+ * @param sfont The SoundFont instance.
+ * @param bank bank number of the preset
+ * @param prenum program number of the preset
+ * @return The preset instance or NULL if none found.
+ */
+fluid_preset_t *fluid_sfont_get_preset(fluid_sfont_t *sfont, int bank, int prenum)
+{
+    return sfont->get_preset(sfont, bank, prenum);
+}
+
+
+/**
+ * Starts / re-starts virtual preset iteration in a SoundFont.
+ *
+ * @param sfont Virtual SoundFont instance
+ */
+void fluid_sfont_iteration_start(fluid_sfont_t *sfont)
+{
+    fluid_return_if_fail(sfont != NULL);
+    fluid_return_if_fail(sfont->iteration_start != NULL);
+
+    sfont->iteration_start(sfont);
+}
+
+/**
+ * Virtual SoundFont preset iteration function.
+ *
+ * Returns preset information to the caller and advances the
+ * internal iteration state to the next preset for subsequent calls.
+ * @param sfont The SoundFont instance.
+ * @return NULL when no more presets are available, otherwise the a pointer to the current preset
+ */
+fluid_preset_t *fluid_sfont_iteration_next(fluid_sfont_t *sfont)
+{
+    fluid_return_val_if_fail(sfont != NULL, NULL);
+    fluid_return_val_if_fail(sfont->iteration_next != NULL, NULL);
+
+    return sfont->iteration_next(sfont);
+}
+
+/**
+ * Destroys a SoundFont instance created with new_fluid_sfont().
+ *
+ * @param sfont The SoundFont instance to destroy.
+ * @return Always returns 0.
+ *
+ * Implements #fluid_sfont_free_t.
+ *
+ */
+int delete_fluid_sfont(fluid_sfont_t *sfont)
+{
+    fluid_return_val_if_fail(sfont != NULL, 0);
+
+    FLUID_FREE(sfont);
+    return 0;
+}
+
+/**
+ * Create a virtual SoundFont preset instance.
+ *
+ * @param parent_sfont The SoundFont instance this preset shall belong to
+ * @param get_name A function implementing #fluid_preset_get_name_t
+ * @param get_bank A function implementing #fluid_preset_get_banknum_t
+ * @param get_num A function implementing #fluid_preset_get_num_t
+ * @param noteon A function implementing #fluid_preset_noteon_t
+ * @param free A function implementing #fluid_preset_free_t
+ * @return The preset instance on success, NULL otherwise.
+ */
+fluid_preset_t *new_fluid_preset(fluid_sfont_t *parent_sfont,
+                                 fluid_preset_get_name_t get_name,
+                                 fluid_preset_get_banknum_t get_bank,
+                                 fluid_preset_get_num_t get_num,
+                                 fluid_preset_noteon_t noteon,
+                                 fluid_preset_free_t free)
+{
+    fluid_preset_t *preset;
+
+    fluid_return_val_if_fail(parent_sfont != NULL, NULL);
+    fluid_return_val_if_fail(get_name != NULL, NULL);
+    fluid_return_val_if_fail(get_bank != NULL, NULL);
+    fluid_return_val_if_fail(get_num != NULL, NULL);
+    fluid_return_val_if_fail(noteon != NULL, NULL);
+    fluid_return_val_if_fail(free != NULL, NULL);
+
+    preset = FLUID_NEW(fluid_preset_t);
+
+    if(preset == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return NULL;
+    }
+
+    FLUID_MEMSET(preset, 0, sizeof(*preset));
+
+    preset->sfont = parent_sfont;
+    preset->get_name = get_name;
+    preset->get_banknum = get_bank;
+    preset->get_num = get_num;
+    preset->noteon = noteon;
+    preset->free = free;
+
+    return preset;
+}
+
+/**
+ * Set private data to use with a SoundFont preset instance.
+ *
+ * @param preset The SoundFont preset instance.
+ * @param data The private data to store.
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise.
+ */
+int fluid_preset_set_data(fluid_preset_t *preset, void *data)
+{
+    fluid_return_val_if_fail(preset != NULL, FLUID_FAILED);
+
+    preset->data = data;
+    return FLUID_OK;
+}
+
+/**
+ * Retrieve the private data of a SoundFont preset instance.
+ *
+ * @param preset The SoundFont preset instance.
+ * @return The private data or NULL if none explicitly set before.
+ */
+void *fluid_preset_get_data(fluid_preset_t *preset)
+{
+    fluid_return_val_if_fail(preset != NULL, NULL);
+
+    return preset->data;
+}
+
+/**
+ * Retrieves the presets name by executing the \p get_name function
+ * provided on its creation.
+ *
+ * @param preset The SoundFont preset instance.
+ * @return Pointer to a NULL-terminated string containing the presets name.
+ */
+const char *fluid_preset_get_name(fluid_preset_t *preset)
+{
+    return preset->get_name(preset);
+}
+
+/**
+ * Retrieves the presets bank number by executing the \p get_bank function
+ * provided on its creation.
+ *
+ * @param preset The SoundFont preset instance.
+ * @return The bank number of \p preset.
+ */
+int fluid_preset_get_banknum(fluid_preset_t *preset)
+{
+    return preset->get_banknum(preset);
+}
+
+/**
+ * Retrieves the presets (instrument) number by executing the \p get_num function
+ * provided on its creation.
+ *
+ * @param preset The SoundFont preset instance.
+ * @return The number of \p preset.
+ */
+int fluid_preset_get_num(fluid_preset_t *preset)
+{
+    return preset->get_num(preset);
+}
+
+/**
+ * Retrieves the presets parent SoundFont instance.
+ *
+ * @param preset The SoundFont preset instance.
+ * @return The parent SoundFont of \p preset.
+ */
+fluid_sfont_t *fluid_preset_get_sfont(fluid_preset_t *preset)
+{
+    return preset->sfont;
+}
+
+/**
+ * Destroys a SoundFont preset instance created with new_fluid_preset().
+ *
+ * @param preset The SoundFont preset instance to destroy.
+ *
+ * Implements #fluid_preset_free_t.
+ *
+ */
+void delete_fluid_preset(fluid_preset_t *preset)
+{
+    fluid_return_if_fail(preset != NULL);
+
+    FLUID_FREE(preset);
+}
+
+/**
+ * Create a new sample instance.
+ *
+ * @return  The sample on success, NULL otherwise.
+ */
+fluid_sample_t *
+new_fluid_sample()
+{
+    fluid_sample_t *sample = NULL;
+
+    sample = FLUID_NEW(fluid_sample_t);
+
+    if(sample == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return NULL;
+    }
+
+    FLUID_MEMSET(sample, 0, sizeof(*sample));
+
+    return sample;
+}
+
+/**
+ * Destroy a sample instance previously created with new_fluid_sample().
+ *
+ * @param sample The sample to destroy.
+ */
+void
+delete_fluid_sample(fluid_sample_t *sample)
+{
+    fluid_return_if_fail(sample != NULL);
+
+    if(sample->auto_free)
+    {
+        FLUID_FREE(sample->data);
+        FLUID_FREE(sample->data24);
+    }
+
+    FLUID_FREE(sample);
+}
+
+/**
+ * Returns the size of the fluid_sample_t structure.
+ *
+ * @return Size of fluid_sample_t in bytes
+ *
+ * Useful in low latency scenarios e.g. to allocate a pool of samples.
+ *
+ * @note It is recommend to zero initialize the memory before using the object.
+ *
+ * @warning Do NOT allocate samples on the stack and assign them to a voice!
+ */
+size_t fluid_sample_sizeof()
+{
+    return sizeof(fluid_sample_t);
+}
+
+/**
+ * Set the name of a SoundFont sample.
+ *
+ * @param sample SoundFont sample
+ * @param name Name to assign to sample (20 chars in length + zero terminator)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ */
+int fluid_sample_set_name(fluid_sample_t *sample, const char *name)
+{
+    fluid_return_val_if_fail(sample != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(name != NULL, FLUID_FAILED);
+
+    FLUID_STRNCPY(sample->name, name, sizeof(sample->name));
+    return FLUID_OK;
+}
+
+/**
+ * Assign sample data to a SoundFont sample.
+ *
+ * @param sample SoundFont sample
+ * @param data Buffer containing 16 bit (mono-)audio sample data
+ * @param data24 If not NULL, pointer to the least significant byte counterparts of each sample data point in order to create 24 bit audio samples
+ * @param nbframes Number of samples in \a data
+ * @param sample_rate Sampling rate of the sample data
+ * @param copy_data TRUE to copy the sample data (and automatically free it upon delete_fluid_sample()), FALSE to use it directly (and not free it)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ *
+ * @note If \a copy_data is FALSE, data should have 8 unused frames at start
+ * and 8 unused frames at the end and \a nbframes should be >=48
+ */
+int
+fluid_sample_set_sound_data(fluid_sample_t *sample,
+                            short *data,
+                            char *data24,
+                            unsigned int nbframes,
+                            unsigned int sample_rate,
+                            short copy_data
+                           )
+{
+    /* the number of samples before the start and after the end */
+#define SAMPLE_LOOP_MARGIN 8U
+
+    fluid_return_val_if_fail(sample != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(data != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(nbframes != 0, FLUID_FAILED);
+
+    /* in case we already have some data */
+    if((sample->data != NULL || sample->data24 != NULL) && sample->auto_free)
+    {
+        FLUID_FREE(sample->data);
+        FLUID_FREE(sample->data24);
+    }
+
+    sample->data = NULL;
+    sample->data24 = NULL;
+
+    if(copy_data)
+    {
+        unsigned int storedNbFrames;
+
+        /* nbframes should be >= 48 (SoundFont specs) */
+        storedNbFrames = nbframes;
+
+        if(storedNbFrames < 48)
+        {
+            storedNbFrames = 48;
+        }
+
+        storedNbFrames += 2 * SAMPLE_LOOP_MARGIN;
+
+        sample->data = FLUID_ARRAY(short, storedNbFrames);
+
+        if(sample->data == NULL)
+        {
+            goto error_rec;
+        }
+
+        FLUID_MEMSET(sample->data, 0, storedNbFrames * sizeof(short));
+        FLUID_MEMCPY(sample->data + SAMPLE_LOOP_MARGIN, data, nbframes * sizeof(short));
+
+        if(data24 != NULL)
+        {
+            sample->data24 = FLUID_ARRAY(char, storedNbFrames);
+
+            if(sample->data24 == NULL)
+            {
+                goto error_rec;
+            }
+
+            FLUID_MEMSET(sample->data24, 0, storedNbFrames);
+            FLUID_MEMCPY(sample->data24 + SAMPLE_LOOP_MARGIN, data24, nbframes * sizeof(char));
+        }
+
+        /* pointers */
+        /* all from the start of data */
+        sample->start = SAMPLE_LOOP_MARGIN;
+        sample->end = SAMPLE_LOOP_MARGIN + nbframes - 1;
+    }
+    else
+    {
+        /* we cannot assure the SAMPLE_LOOP_MARGIN */
+        sample->data = data;
+        sample->data24 = data24;
+        sample->start = 0;
+        sample->end = nbframes - 1;
+    }
+
+    sample->samplerate = sample_rate;
+    sample->sampletype = FLUID_SAMPLETYPE_MONO;
+    sample->auto_free = copy_data;
+
+    return FLUID_OK;
+
+error_rec:
+    FLUID_LOG(FLUID_ERR, "Out of memory");
+    FLUID_FREE(sample->data);
+    FLUID_FREE(sample->data24);
+    sample->data = NULL;
+    sample->data24 = NULL;
+    return FLUID_FAILED;
+
+#undef SAMPLE_LOOP_MARGIN
+}
+
+/**
+ * Set the loop of a sample.
+ *
+ * @param sample SoundFont sample
+ * @param loop_start Start sample index of the loop.
+ * @param loop_end End index of the loop (must be a valid sample as it marks the last sample to be played).
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise.
+ */
+int fluid_sample_set_loop(fluid_sample_t *sample, unsigned int loop_start, unsigned int loop_end)
+{
+    fluid_return_val_if_fail(sample != NULL, FLUID_FAILED);
+
+    sample->loopstart = loop_start;
+    sample->loopend = loop_end;
+
+    return FLUID_OK;
+}
+
+/**
+ * Set the pitch of a sample.
+ *
+ * @param sample SoundFont sample
+ * @param root_key Root MIDI note of sample (0-127)
+ * @param fine_tune Fine tune in cents
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise.
+ */
+int fluid_sample_set_pitch(fluid_sample_t *sample, int root_key, int fine_tune)
+{
+    fluid_return_val_if_fail(sample != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(0 <= root_key && root_key <= 127, FLUID_FAILED);
+
+    sample->origpitch = root_key;
+    sample->pitchadj = fine_tune;
+
+    return FLUID_OK;
+}
+
+
+/**
+ * Validate parameters of a sample
+ *
+ */
+int fluid_sample_validate(fluid_sample_t *sample, unsigned int buffer_size)
+{
+#define EXCLUSIVE_FLAGS (FLUID_SAMPLETYPE_MONO | FLUID_SAMPLETYPE_RIGHT | FLUID_SAMPLETYPE_LEFT)
+    static const unsigned int supported_flags = EXCLUSIVE_FLAGS | FLUID_SAMPLETYPE_LINKED | FLUID_SAMPLETYPE_OGG_VORBIS | FLUID_SAMPLETYPE_ROM;
+
+    /* ROM samples are unusable for us by definition */
+    if(sample->sampletype & FLUID_SAMPLETYPE_ROM)
+    {
+        FLUID_LOG(FLUID_WARN, "Sample '%s': ROM sample ignored", sample->name);
+        return FLUID_FAILED;
+    }
+
+    if(sample->sampletype & ~supported_flags)
+    {
+        FLUID_LOG(FLUID_WARN, "Sample '%s' has unknown flags, possibly using an unsupported compression; sample ignored", sample->name);
+        return FLUID_FAILED;
+    }
+
+    if((sample->sampletype & EXCLUSIVE_FLAGS) & ((sample->sampletype & EXCLUSIVE_FLAGS) - 1))
+    {
+        FLUID_LOG(FLUID_INFO, "Sample '%s' should be either mono or left or right; using it anyway", sample->name);
+    }
+
+    if((sample->sampletype & FLUID_SAMPLETYPE_LINKED) && (sample->sampletype & EXCLUSIVE_FLAGS))
+    {
+        FLUID_LOG(FLUID_INFO, "Linked sample '%s' should not be mono, left or right at the same time; using it anyway", sample->name);
+    }
+
+    if((sample->sampletype & EXCLUSIVE_FLAGS) == 0)
+    {
+        FLUID_LOG(FLUID_INFO, "Sample '%s' has no flags set, assuming mono", sample->name);
+        sample->sampletype = FLUID_SAMPLETYPE_MONO;
+    }
+
+    /* Ogg vorbis compressed samples in the SF3 format use byte indices for
+     * sample start and end pointers before decompression. Standard SF2 samples
+     * use sample word indices for all pointers, so use half the buffer_size
+     * for validation. */
+    if(!(sample->sampletype & FLUID_SAMPLETYPE_OGG_VORBIS))
+    {
+        if(buffer_size % 2)
+        {
+            FLUID_LOG(FLUID_WARN, "Sample '%s': invalid buffer size", sample->name);
+            return FLUID_FAILED;
+        }
+
+        buffer_size /= 2;
+    }
+
+    if((sample->end > buffer_size) || (sample->start >= sample->end))
+    {
+        FLUID_LOG(FLUID_WARN, "Sample '%s': invalid start/end file positions", sample->name);
+        return FLUID_FAILED;
+    }
+
+    return FLUID_OK;
+#undef EXCLUSIVE_FLAGS
+}
+
+/* Check the sample loop pointers and optionally convert them to something
+ * usable in case they are broken. Return a boolean indicating if the pointers
+ * have been modified, so the user can be notified of possible audio glitches.
+ */
+int fluid_sample_sanitize_loop(fluid_sample_t *sample, unsigned int buffer_size)
+{
+    int modified = FALSE;
+    unsigned int max_end = buffer_size / 2;
+    /* In fluid_sample_t the sample end pointer points to the last sample, not
+     * to the data word after the last sample. FIXME: why? */
+    unsigned int sample_end = sample->end + 1;
+
+    if(sample->loopstart == sample->loopend)
+    {
+        /* Some SoundFonts disable loops by setting loopstart = loopend. While
+         * technically invalid, we decided to accept those samples anyway.
+         * Before fluidsynth 2.2.5 we've set those indices to zero, as this
+         * change was believed to be inaudible. This turned out to be an
+         * incorrect assumption, as the loop points may still be modified by
+         * loop offset modulators afterwards.
+         */
+        if(sample->loopstart != sample->start)
+        {
+            // Many soundfonts set loopstart == loopend == sample->start to disabled to loop.
+            // Only report cases where it's not equal to the sample->start, to avoid spam.
+            FLUID_LOG(FLUID_DBG, "Sample '%s': zero length loop detected: loopstart == loopend == '%d', sample start '%d', using it anyway",
+                    sample->name, sample->loopstart, sample->start);
+        }
+    }
+    else if(sample->loopstart > sample->loopend)
+    {
+        unsigned int tmp;
+
+        /* If loop start and end are reversed, try to swap them around and
+         * continue validation */
+        FLUID_LOG(FLUID_DBG, "Sample '%s': reversed loop pointers '%d' - '%d', trying to fix",
+                  sample->name, sample->loopstart, sample->loopend);
+        tmp = sample->loopstart;
+        sample->loopstart = sample->loopend;
+        sample->loopend = tmp;
+        modified = TRUE;
+    }
+
+    /* The SoundFont 2.4 spec defines the loopstart index as the first sample
+     * point of the loop while loopend is the first point AFTER the last sample
+     * of the loop. However we cannot be sure whether any of loopend or end is
+     * correct. Hours of thinking through this have concluded that it would be
+     * best practice to mangle with loops as little as necessary by only making
+     * sure the pointers are within sample->start to max_end. Incorrect
+     * soundfont shall preferably fail loudly. */
+    if((sample->loopstart < sample->start) || (sample->loopstart > max_end))
+    {
+        FLUID_LOG(FLUID_DBG, "Sample '%s': invalid loop start '%d', setting to sample start '%d'",
+                  sample->name, sample->loopstart, sample->start);
+        sample->loopstart = sample->start;
+        modified = TRUE;
+    }
+
+    if((sample->loopend < sample->start) || (sample->loopend > max_end))
+    {
+        FLUID_LOG(FLUID_DBG, "Sample '%s': invalid loop end '%d', setting to sample end '%d'",
+                  sample->name, sample->loopend, sample_end);
+        sample->loopend = sample_end;
+        modified = TRUE;
+    }
+
+    if((sample->loopstart > sample_end) || (sample->loopend > sample_end))
+    {
+        FLUID_LOG(FLUID_DBG, "Sample '%s': loop range '%d - %d' after sample end '%d', using it anyway",
+                  sample->name, sample->loopstart, sample->loopend, sample_end);
+    }
+
+    return modified;
+}
diff --git a/libs/fluidsynth/src/sfloader/fluid_sfont.h b/libs/fluidsynth/src/sfloader/fluid_sfont.h
new file mode 100644
index 00000000000..9a42c02eb19
--- /dev/null
+++ b/libs/fluidsynth/src/sfloader/fluid_sfont.h
@@ -0,0 +1,189 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+
+#ifndef _PRIV_FLUID_SFONT_H
+#define _PRIV_FLUID_SFONT_H
+
+#include "fluidsynth.h"
+
+int fluid_sample_validate(fluid_sample_t *sample, unsigned int max_end);
+int fluid_sample_sanitize_loop(fluid_sample_t *sample, unsigned int max_end);
+
+/*
+ * Utility macros to access soundfonts, presets, and samples
+ */
+
+#define fluid_sfloader_delete(_loader) { if ((_loader) && (_loader)->free) (*(_loader)->free)(_loader); }
+#define fluid_sfloader_load(_loader, _filename) (*(_loader)->load)(_loader, _filename)
+
+
+#define fluid_sfont_delete_internal(_sf)   ( ((_sf) && (_sf)->free)? (*(_sf)->free)(_sf) : 0)
+
+
+#define fluid_preset_delete_internal(_preset) \
+  { if ((_preset) && (_preset)->free) { (*(_preset)->free)(_preset); }}
+
+#define fluid_preset_noteon(_preset,_synth,_ch,_key,_vel) \
+  (*(_preset)->noteon)(_preset,_synth,_ch,_key,_vel)
+
+#define fluid_preset_notify(_preset,_reason,_chan) \
+  ( ((_preset) && (_preset)->notify) ? (*(_preset)->notify)(_preset,_reason,_chan) : FLUID_OK )
+
+
+#define fluid_sample_incr_ref(_sample) { (_sample)->refcount++; }
+
+#define fluid_sample_decr_ref(_sample) \
+  (_sample)->refcount--; \
+  if (((_sample)->refcount == 0) && ((_sample)->notify)) \
+    (*(_sample)->notify)(_sample, FLUID_SAMPLE_DONE);
+
+
+
+/**
+ * File callback structure to enable custom soundfont loading (e.g. from memory).
+ */
+struct _fluid_file_callbacks_t
+{
+    fluid_sfloader_callback_open_t  fopen;
+    fluid_sfloader_callback_read_t  fread;
+    fluid_sfloader_callback_seek_t  fseek;
+    fluid_sfloader_callback_close_t fclose;
+    fluid_sfloader_callback_tell_t  ftell;
+};
+
+/**
+ * SoundFont loader structure.
+ */
+struct _fluid_sfloader_t
+{
+    void *data;           /**< User defined data pointer used by _fluid_sfloader_t::load() */
+
+    /** Callback structure specifying file operations used during soundfont loading to allow custom loading, such as from memory */
+    fluid_file_callbacks_t file_callbacks;
+
+    fluid_sfloader_free_t free;
+
+    fluid_sfloader_load_t load;
+};
+
+/**
+ * Virtual SoundFont instance structure.
+ */
+struct _fluid_sfont_t
+{
+    void *data;           /**< User defined data */
+    int id;               /**< SoundFont ID */
+    int refcount;         /**< SoundFont reference count (1 if no presets referencing it) */
+    int bankofs;          /**< Bank offset */
+
+    fluid_sfont_free_t free;
+
+    fluid_sfont_get_name_t get_name;
+
+    fluid_sfont_get_preset_t get_preset;
+
+    fluid_sfont_iteration_start_t iteration_start;
+
+    fluid_sfont_iteration_next_t iteration_next;
+};
+
+/**
+ * Virtual SoundFont preset.
+ */
+struct _fluid_preset_t
+{
+    void *data;                                   /**< User supplied data */
+    fluid_sfont_t *sfont;                         /**< Parent virtual SoundFont */
+
+    fluid_preset_free_t free;
+
+    fluid_preset_get_name_t get_name;
+
+    fluid_preset_get_banknum_t get_banknum;
+
+    fluid_preset_get_num_t get_num;
+
+    fluid_preset_noteon_t noteon;
+
+    /**
+     * Virtual SoundFont preset notify method.
+     * @param preset Virtual SoundFont preset
+     * @param reason #FLUID_PRESET_SELECTED or #FLUID_PRESET_UNSELECTED
+     * @param chan MIDI channel number
+     * @return Should return #FLUID_OK
+     *
+     * Implement this optional method if the preset needs to be notified about
+     * preset select and unselect events.
+     *
+     * This method may be called from within synthesis context and therefore
+     * should be as efficient as possible and not perform any operations considered
+     * bad for realtime audio output (memory allocations and other OS calls).
+     */
+    int (*notify)(fluid_preset_t *preset, int reason, int chan);
+};
+
+/**
+ * Virtual SoundFont sample.
+ */
+struct _fluid_sample_t
+{
+    char name[21];                /**< Sample name */
+
+    /* The following four sample pointers store the original pointers from the Soundfont
+     * file. They are never changed after loading and are used to re-create the
+     * actual sample pointers after a sample has been unloaded and loaded again. The
+     * actual sample pointers get modified during loading for SF3 (compressed) samples
+     * and individually loaded SF2 samples. */
+    unsigned int source_start;
+    unsigned int source_end;
+    unsigned int source_loopstart;
+    unsigned int source_loopend;
+
+    unsigned int start;           /**< Start index */
+    unsigned int end;	        /**< End index, index of last valid sample point (contrary to SF spec) */
+    unsigned int loopstart;       /**< Loop start index */
+    unsigned int loopend;         /**< Loop end index, first point following the loop (superimposed on loopstart) */
+
+    unsigned int samplerate;      /**< Sample rate */
+    int origpitch;                /**< Original pitch (MIDI note number, 0-127) */
+    int pitchadj;                 /**< Fine pitch adjustment (+/- 99 cents) */
+    int sampletype;               /**< Specifies the type of this sample as indicated by the #fluid_sample_type enum */
+    int auto_free;                /**< TRUE if _fluid_sample_t::data and _fluid_sample_t::data24 should be freed upon sample destruction */
+    short *data;                  /**< Pointer to the sample's 16 bit PCM data */
+    char *data24;                 /**< If not NULL, pointer to the least significant byte counterparts of each sample data point in order to create 24 bit audio samples */
+
+    int amplitude_that_reaches_noise_floor_is_valid;      /**< Indicates if \a amplitude_that_reaches_noise_floor is valid (TRUE), set to FALSE initially to calculate. */
+    double amplitude_that_reaches_noise_floor;            /**< The amplitude at which the sample's loop will be below the noise floor.  For voice off optimization, calculated automatically. */
+
+    unsigned int refcount;        /**< Count of voices using this sample */
+    int preset_count;             /**< Count of selected presets using this sample (used for dynamic sample loading) */
+
+    /**
+     * Implement this function to receive notification when sample is no longer used.
+     * @param sample Virtual SoundFont sample
+     * @param reason #FLUID_SAMPLE_DONE only currently
+     * @return Should return #FLUID_OK
+     */
+    int (*notify)(fluid_sample_t *sample, int reason);
+};
+
+
+#endif /* _PRIV_FLUID_SFONT_H */
diff --git a/libs/fluidsynth/src/synth/fluid_chan.c b/libs/fluidsynth/src/synth/fluid_chan.c
new file mode 100644
index 00000000000..0f2eecb44e0
--- /dev/null
+++ b/libs/fluidsynth/src/synth/fluid_chan.c
@@ -0,0 +1,732 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#include "fluid_chan.h"
+#include "fluid_mod.h"
+#include "fluid_synth.h"
+#include "fluid_sfont.h"
+
+/* Field shift amounts for sfont_bank_prog bit field integer */
+#define PROG_SHIFTVAL   0
+#define BANK_SHIFTVAL   8
+#define SFONT_SHIFTVAL  22
+
+/* Field mask values for sfont_bank_prog bit field integer */
+#define PROG_MASKVAL    0x000000FF      /* Bit 7 is used to indicate unset state */
+#define BANK_MASKVAL    0x003FFF00
+#define BANKLSB_MASKVAL 0x00007F00
+#define BANKMSB_MASKVAL 0x003F8000
+#define SFONT_MASKVAL   0xFFC00000
+
+
+static void fluid_channel_init(fluid_channel_t *chan);
+
+
+fluid_channel_t *
+new_fluid_channel(fluid_synth_t *synth, int num)
+{
+    fluid_channel_t *chan;
+
+    chan = FLUID_NEW(fluid_channel_t);
+
+    if(chan == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return NULL;
+    }
+
+    chan->synth = synth;
+    chan->channum = num;
+    chan->preset = NULL;
+    chan->tuning = NULL;
+
+    fluid_channel_init(chan);
+    fluid_channel_init_ctrl(chan, 0);
+
+    return chan;
+}
+
+static void
+fluid_channel_init(fluid_channel_t *chan)
+{
+    fluid_preset_t *newpreset;
+    int i, prognum, banknum;
+
+    chan->sostenuto_orderid = 0;
+    /*--- Init poly/mono modes variables --------------------------------------*/
+    chan->mode = 0;
+    chan->mode_val = 0;
+
+    /* monophonic list initialization */
+    for(i = 0; i < FLUID_CHANNEL_SIZE_MONOLIST; i++)
+    {
+        chan->monolist[i].next = i + 1;
+    }
+
+    chan->monolist[FLUID_CHANNEL_SIZE_MONOLIST - 1].next = 0; /* ending element chained to the 1st */
+    chan->i_last = chan->n_notes = 0; /* clears the list */
+    chan->i_first = chan->monolist[chan->i_last].next; /* first note index in the list */
+    fluid_channel_clear_prev_note(chan); /* Mark previous note invalid */
+    /*---*/
+    chan->key_mono_sustained = INVALID_NOTE; /* No previous mono note sustained */
+    chan->legatomode = FLUID_CHANNEL_LEGATO_MODE_MULTI_RETRIGGER;		/* Default mode */
+    chan->portamentomode = FLUID_CHANNEL_PORTAMENTO_MODE_LEGATO_ONLY;	/* Default mode */
+    /*--- End of poly/mono initialization --------------------------------------*/
+
+    chan->channel_type = (chan->channum == 9) ? CHANNEL_TYPE_DRUM : CHANNEL_TYPE_MELODIC;
+    prognum = 0;
+    banknum = (chan->channel_type == CHANNEL_TYPE_DRUM) ? DRUM_INST_BANK : 0;
+
+    chan->sfont_bank_prog = 0 << SFONT_SHIFTVAL | banknum << BANK_SHIFTVAL
+                            | prognum << PROG_SHIFTVAL;
+
+    newpreset = fluid_synth_find_preset(chan->synth, banknum, prognum);
+    fluid_channel_set_preset(chan, newpreset);
+
+    chan->interp_method = FLUID_INTERP_DEFAULT;
+    chan->tuning_bank = 0;
+    chan->tuning_prog = 0;
+    chan->nrpn_select = 0;
+    chan->nrpn_active = 0;
+
+    if(chan->tuning)
+    {
+        fluid_tuning_unref(chan->tuning, 1);
+        chan->tuning = NULL;
+    }
+}
+
+/*
+  @param is_all_ctrl_off if nonzero, only resets some controllers, according to
+  https://www.midi.org/techspecs/rp15.php
+*/
+void
+fluid_channel_init_ctrl(fluid_channel_t *chan, int is_all_ctrl_off)
+{
+    int i;
+
+    chan->channel_pressure = 0;
+    chan->pitch_bend = 0x2000; /* Range is 0x4000, pitch bend wheel starts in centered position */
+
+    for(i = 0; i < GEN_LAST; i++)
+    {
+        chan->gen[i] = 0.0f;
+    }
+
+    if(is_all_ctrl_off)
+    {
+        for(i = 0; i < ALL_SOUND_OFF; i++)
+        {
+            if(i >= EFFECTS_DEPTH1 && i <= EFFECTS_DEPTH5)
+            {
+                continue;
+            }
+
+            if(i >= SOUND_CTRL1 && i <= SOUND_CTRL10)
+            {
+                continue;
+            }
+
+            if(i == BANK_SELECT_MSB || i == BANK_SELECT_LSB || i == VOLUME_MSB ||
+                    i == VOLUME_LSB || i == PAN_MSB || i == PAN_LSB ||
+                    i == BALANCE_MSB || i == BALANCE_LSB
+              )
+            {
+                continue;
+            }
+
+            fluid_channel_set_cc(chan, i, 0);
+        }
+    }
+    else
+    {
+        for(i = 0; i < 128; i++)
+        {
+            fluid_channel_set_cc(chan, i, 0);
+        }
+
+        chan->previous_cc_breath = 0;/* Reset previous breath */
+    }
+    /* Unconditionally clear PTC receive (issue #1050) */
+    fluid_channel_clear_portamento(chan);
+
+    /* Reset polyphonic key pressure on all voices */
+    for(i = 0; i < 128; i++)
+    {
+        fluid_channel_set_key_pressure(chan, i, 0);
+    }
+
+    /* Set RPN controllers to NULL state */
+    fluid_channel_set_cc(chan, RPN_LSB, 127);
+    fluid_channel_set_cc(chan, RPN_MSB, 127);
+
+    /* Set NRPN controllers to NULL state */
+    fluid_channel_set_cc(chan, NRPN_LSB, 127);
+    fluid_channel_set_cc(chan, NRPN_MSB, 127);
+
+    /* Expression (MSB & LSB) */
+    fluid_channel_set_cc(chan, EXPRESSION_MSB, 127);
+    fluid_channel_set_cc(chan, EXPRESSION_LSB, 127);
+
+    if(!is_all_ctrl_off)
+    {
+
+        chan->pitch_wheel_sensitivity = 2; /* two semi-tones */
+
+        /* Just like panning, a value of 64 indicates no change for sound ctrls */
+        for(i = SOUND_CTRL1; i <= SOUND_CTRL10; i++)
+        {
+            fluid_channel_set_cc(chan, i, 64);
+        }
+
+        /* Volume / initial attenuation (MSB & LSB) */
+        fluid_channel_set_cc(chan, VOLUME_MSB, 100);
+        fluid_channel_set_cc(chan, VOLUME_LSB, 0);
+
+        /* Pan (MSB & LSB) */
+        fluid_channel_set_cc(chan, PAN_MSB, 64);
+        fluid_channel_set_cc(chan, PAN_LSB, 0);
+
+        /* Balance (MSB & LSB) */
+        fluid_channel_set_cc(chan, BALANCE_MSB, 64);
+        fluid_channel_set_cc(chan, BALANCE_LSB, 0);
+
+        /* Reverb */
+        /* fluid_channel_set_cc (chan, EFFECTS_DEPTH1, 40); */
+        /* Note: although XG standard specifies the default amount of reverb to
+           be 40, most people preferred having it at zero.
+           See https://lists.gnu.org/archive/html/fluid-dev/2009-07/msg00016.html */
+    }
+}
+
+/* Only called by delete_fluid_synth(), so no need to queue a preset free event */
+void
+delete_fluid_channel(fluid_channel_t *chan)
+{
+    fluid_return_if_fail(chan != NULL);
+
+    FLUID_FREE(chan);
+}
+
+void
+fluid_channel_reset(fluid_channel_t *chan)
+{
+    fluid_channel_init(chan);
+    fluid_channel_init_ctrl(chan, 0);
+}
+
+/* Should only be called from synthesis context */
+int
+fluid_channel_set_preset(fluid_channel_t *chan, fluid_preset_t *preset)
+{
+    fluid_sfont_t *sfont;
+
+    if(chan->preset == preset)
+    {
+        return FLUID_OK;
+    }
+
+    if(chan->preset)
+    {
+        sfont = chan->preset->sfont;
+        sfont->refcount--;
+    }
+
+    fluid_preset_notify(chan->preset, FLUID_PRESET_UNSELECTED, chan->channum);
+
+    chan->preset = preset;
+
+    if(preset)
+    {
+        sfont = preset->sfont;
+        sfont->refcount++;
+    }
+
+    fluid_preset_notify(preset, FLUID_PRESET_SELECTED, chan->channum);
+
+    return FLUID_OK;
+}
+
+/* Set SoundFont ID, MIDI bank and/or program.  Use -1 to use current value. */
+void
+fluid_channel_set_sfont_bank_prog(fluid_channel_t *chan, int sfontnum,
+                                  int banknum, int prognum)
+{
+    int oldval, newval, oldmask;
+
+    newval = ((sfontnum != -1) ? sfontnum << SFONT_SHIFTVAL : 0)
+             | ((banknum != -1) ? banknum << BANK_SHIFTVAL : 0)
+             | ((prognum != -1) ? prognum << PROG_SHIFTVAL : 0);
+
+    oldmask = ((sfontnum != -1) ? 0 : SFONT_MASKVAL)
+              | ((banknum != -1) ? 0 : BANK_MASKVAL)
+              | ((prognum != -1) ? 0 : PROG_MASKVAL);
+
+    oldval = chan->sfont_bank_prog;
+    newval = (newval & ~oldmask) | (oldval & oldmask);
+    chan->sfont_bank_prog = newval;
+}
+
+/* Set bank LSB 7 bits */
+void
+fluid_channel_set_bank_lsb(fluid_channel_t *chan, int banklsb)
+{
+    int oldval, newval, style;
+
+    style = chan->synth->bank_select;
+
+    if(style == FLUID_BANK_STYLE_GM ||
+            style == FLUID_BANK_STYLE_GS)
+    {
+        return;    /* ignored */
+    }
+
+    oldval = chan->sfont_bank_prog;
+
+    if(style == FLUID_BANK_STYLE_XG)
+    {
+        newval = (oldval & ~BANK_MASKVAL) | (banklsb << BANK_SHIFTVAL);
+    }
+    else /* style == FLUID_BANK_STYLE_MMA */
+    {
+        newval = (oldval & ~BANKLSB_MASKVAL) | (banklsb << BANK_SHIFTVAL);
+    }
+
+    chan->sfont_bank_prog = newval;
+}
+
+/* Set bank MSB 7 bits */
+void
+fluid_channel_set_bank_msb(fluid_channel_t *chan, int bankmsb)
+{
+    int oldval, newval, style;
+
+    style = chan->synth->bank_select;
+
+    if(style == FLUID_BANK_STYLE_XG)
+    {
+        /* XG bank, do drum-channel auto-switch */
+        /* The number "120" was based on several keyboards having drums at 120 - 127,
+           reference: https://lists.nongnu.org/archive/html/fluid-dev/2011-02/msg00003.html */
+        chan->channel_type = (120 <= bankmsb) ? CHANNEL_TYPE_DRUM : CHANNEL_TYPE_MELODIC;
+        return;
+    }
+
+    if(style == FLUID_BANK_STYLE_GM ||
+            chan->channel_type == CHANNEL_TYPE_DRUM)
+    {
+        return;    /* ignored */
+    }
+
+    oldval = chan->sfont_bank_prog;
+
+    if(style == FLUID_BANK_STYLE_GS)
+    {
+        newval = (oldval & ~BANK_MASKVAL) | (bankmsb << BANK_SHIFTVAL);
+    }
+    else /* style == FLUID_BANK_STYLE_MMA */
+    {
+        newval = (oldval & ~BANKMSB_MASKVAL) | (bankmsb << (BANK_SHIFTVAL + 7));
+    }
+
+    chan->sfont_bank_prog = newval;
+
+}
+
+/* Get SoundFont ID, MIDI bank and/or program.  Use NULL to ignore a value. */
+void
+fluid_channel_get_sfont_bank_prog(fluid_channel_t *chan, int *sfont,
+                                  int *bank, int *prog)
+{
+    int sfont_bank_prog;
+
+    sfont_bank_prog = chan->sfont_bank_prog;
+
+    if(sfont)
+    {
+        *sfont = (sfont_bank_prog & SFONT_MASKVAL) >> SFONT_SHIFTVAL;
+    }
+
+    if(bank)
+    {
+        *bank = (sfont_bank_prog & BANK_MASKVAL) >> BANK_SHIFTVAL;
+    }
+
+    if(prog)
+    {
+        *prog = (sfont_bank_prog & PROG_MASKVAL) >> PROG_SHIFTVAL;
+    }
+}
+
+/**
+ * Compute the pitch for a key after applying Fluidsynth's tuning functionality
+ * and channel coarse/fine tunings.
+ * @param chan fluid_channel_t
+ * @param key MIDI note number (0-127)
+ * @return the pitch of the key
+ */
+fluid_real_t fluid_channel_get_key_pitch(fluid_channel_t *chan, int key)
+{
+    if(chan->tuning)
+    {
+        return fluid_tuning_get_pitch(chan->tuning, key)
+            + 100.0f * fluid_channel_get_gen(chan, GEN_COARSETUNE)
+            + fluid_channel_get_gen(chan, GEN_FINETUNE);
+    }
+    else
+    {
+        return key * 100.0f;
+    }
+}
+
+/**
+ * Updates legato/ staccato playing state
+ * The function is called:
+ * - on noteon before adding a note into the monolist.
+ * - on noteoff after removing a note out of the monolist.
+ * @param chan  fluid_channel_t.
+*/
+static void
+fluid_channel_update_legato_staccato_state(fluid_channel_t *chan)
+{
+    /* Updates legato/ staccato playing state */
+    if(chan->n_notes)
+    {
+        chan->mode |= FLUID_CHANNEL_LEGATO_PLAYING; /* Legato state */
+    }
+    else
+    {
+        chan->mode &= ~ FLUID_CHANNEL_LEGATO_PLAYING; /* Staccato state */
+    }
+}
+
+/**
+ * Adds a note into the monophonic list. The function is part of the legato
+ * detector. fluid_channel_add_monolist() is intended to be called by
+ * fluid_synth_noteon_mono_LOCAL().
+ *
+ * When a note is added at noteOn each element is use in the forward direction
+ * and indexed by i_last variable.
+ *
+ * @param chan  fluid_channel_t.
+ * @param key MIDI note number (0-127).
+ * @param vel MIDI velocity (0-127, 0=noteoff).
+ * @param onenote. When 1 the function adds the note but the monophonic list
+ *                 keeps only one note (used on noteOn poly).
+ * Note: i_last index keeps a trace of the most recent note added.
+ *       prev_note keeps a trace of the note prior i_last note.
+ *       FLUID_CHANNEL_LEGATO_PLAYING bit keeps trace of legato/staccato playing state.
+ *
+ * More information in FluidPolyMono-0004.pdf chapter 4 (Appendices).
+*/
+void
+fluid_channel_add_monolist(fluid_channel_t *chan, unsigned char key,
+                           unsigned char vel, unsigned char onenote)
+{
+    unsigned char i_last = chan->i_last;
+    /* Updates legato/ staccato playing state */
+    fluid_channel_update_legato_staccato_state(chan);
+
+    if(chan->n_notes)
+    {
+        /* keeps trace of the note prior last note */
+        chan->prev_note = chan->monolist[i_last].note;
+    }
+
+    /* moves i_last forward before writing new note */
+    i_last = chan->monolist[i_last].next;
+    chan->i_last = i_last; 			/* now ilast indexes the last note */
+    chan->monolist[i_last].note = key; /* we save note and velocity */
+    chan->monolist[i_last].vel = vel;
+
+    if(onenote)
+    {
+        /* clears monolist before one note addition */
+        chan->i_first = i_last;
+        chan->n_notes = 0;
+    }
+
+    if(chan->n_notes < FLUID_CHANNEL_SIZE_MONOLIST)
+    {
+        chan->n_notes++; /* updates n_notes */
+    }
+    else
+    {
+        /* The end of buffer is reach. So circular motion for i_first */
+        /* i_first index is moved forward */
+        chan->i_first = chan->monolist[i_last].next;
+    }
+}
+
+/**
+ * Searching a note in the monophonic list. The function is part of the legato
+ * detector. fluid_channel_search_monolist() is intended to be called by
+ * fluid_synth_noteoff_mono_LOCAL().
+ *
+ * The search starts from the first note in the list indexed by i_first
+
+ * @param chan  fluid_channel_t.
+ * @param key MIDI note number (0-127) to search.
+ * @param i_prev pointer on returned index of the note prior the note to search.
+ * @return index of the note if find, FLUID_FAILED otherwise.
+ *
+ */
+int
+fluid_channel_search_monolist(fluid_channel_t *chan, unsigned char key, int *i_prev)
+{
+    short n = chan->n_notes; /* number of notes in monophonic list */
+    short j, i = chan->i_first; /* searching starts from i_first included */
+
+    for(j = 0 ; j < n ; j++)
+    {
+        if(chan->monolist[i].note == key)
+        {
+            if(i == chan->i_first)
+            {
+                /* tracking index of the previous note (i_prev) */
+                for(j = chan->i_last ; n < FLUID_CHANNEL_SIZE_MONOLIST; n++)
+                {
+                    j = chan->monolist[j].next;
+                }
+
+                * i_prev = j; /* returns index of the previous note */
+            }
+
+            return i; /* returns index of the note to search */
+        }
+
+        * i_prev = i; /* tracking index of the previous note (i_prev) */
+        i = chan->monolist[i].next; /* next element */
+    }
+
+    return FLUID_FAILED; /* not found */
+}
+
+/**
+ * removes a note from the monophonic list. The function is part of
+ * the legato detector.
+ * fluid_channel_remove_monolist() is intended to be called by
+ * fluid_synth_noteoff_mono_LOCAL().
+ *
+ * When a note is removed at noteOff the element concerned is fast unlinked
+ * and relinked after the i_last element.
+ *
+ * @param chan  fluid_channel_t.
+ * @param
+ *   i, index of the note to remove. If i is invalid or the list is
+ *      empty, the function do nothing and returns FLUID_FAILED.
+ * @param
+ *   On input, i_prev is a pointer on index of the note previous i.
+ *   On output i_prev is a pointer on index of the note previous i if i is the last note
+ *   in the list,FLUID_FAILED otherwise. When the returned index is valid it means
+ *   a legato detection on noteoff.
+ *
+ * Note: the following variables in Channel keeps trace of the situation.
+ *       - i_last index keeps a trace of the most recent note played even if
+ *       the list is empty.
+ *       - prev_note keeps a trace of the note removed if it is i_last.
+ *       - FLUID_CHANNEL_LEGATO_PLAYING bit keeps a trace of legato/staccato playing state.
+ *
+ * More information in FluidPolyMono-0004.pdf chapter 4 (Appendices).
+ */
+void
+fluid_channel_remove_monolist(fluid_channel_t *chan, int i, int *i_prev)
+{
+    unsigned char i_last = chan->i_last;
+
+    /* checks if index is valid */
+    if(i < 0 || i >= FLUID_CHANNEL_SIZE_MONOLIST || !chan->n_notes)
+    {
+        * i_prev =  FLUID_FAILED;
+    }
+
+    /* The element is about to be removed and inserted between i_last and next */
+    /* Note: when i is egal to i_last or egal to i_first, removing/inserting
+       isn't necessary */
+    if(i == i_last)
+    {
+        /* Removing/Inserting isn't necessary */
+        /* keeps trace of the note prior last note */
+        chan->prev_note = chan->monolist[i_last].note;
+        /* moves i_last backward to the previous  */
+        chan->i_last = *i_prev; /* i_last index is moved backward */
+    }
+    else
+    {
+        /* i is before i_last */
+        if(i == chan->i_first)
+        {
+            /* Removing/inserting isn't necessary */
+            /* i_first index is moved forward to the next element*/
+            chan->i_first = chan->monolist[i].next;
+        }
+        else
+        {
+            /* i is between i_first and i_last */
+            /* Unlinks element i and inserts after i_last */
+            chan->monolist[* i_prev].next = chan->monolist[i].next; /* unlinks i */
+            /*inserts i after i_last */
+            chan->monolist[i].next = chan->monolist[i_last].next;
+            chan->monolist[i_last].next = i;
+        }
+
+        * i_prev =  FLUID_FAILED;
+    }
+
+    chan->n_notes--; /* updates the number of note in the list */
+    /* Updates legato/ staccato playing state */
+    fluid_channel_update_legato_staccato_state(chan);
+}
+
+/**
+ * On noteOff on a polyphonic channel,the monophonic list is fully flushed.
+ *
+ * @param chan  fluid_channel_t.
+ * Note: i_last index keeps a trace of the most recent note played even if
+ *       the list is empty.
+ *       prev_note keeps a trace of the note i_last .
+ *       FLUID_CHANNEL_LEGATO_PLAYING bit keeps a trace of legato/staccato playing.
+ */
+void fluid_channel_clear_monolist(fluid_channel_t *chan)
+{
+    /* keeps trace off the most recent note played */
+    chan->prev_note = chan->monolist[chan->i_last].note;
+
+    /* flushes the monolist */
+    chan->i_first = chan->monolist[chan->i_last].next;
+    chan->n_notes = 0;
+    /* Update legato/ sataccato playing state */
+    chan->mode &= ~ FLUID_CHANNEL_LEGATO_PLAYING; /* Staccato state */
+}
+
+/**
+ * On noteOn on a polyphonic channel,adds the note into the monophonic list
+ * keeping only this note.
+ * @param
+ *   chan  fluid_channel_t.
+ *   key, vel, note and velocity added in the monolist
+ * Note: i_last index keeps a trace of the most recent note inserted.
+ *       prev_note keeps a trace of the note prior i_last note.
+ *       FLUID_CHANNEL_LEGATO_PLAYING bit keeps trace of legato/staccato playing.
+ */
+void fluid_channel_set_onenote_monolist(fluid_channel_t *chan, unsigned char key,
+                                        unsigned char vel)
+{
+    fluid_channel_add_monolist(chan, key, vel, 1);
+}
+
+/**
+ * The function changes the state (Valid/Invalid) of the previous note played in
+ * a staccato manner (fluid_channel_prev_note()).
+ * When potamento mode 'each note' or 'staccato only' is selected, on next
+ * noteOn a portamento will be started from the most recent note played
+ * staccato.
+ * It will be possible that it isn't appropriate. To give the musician the
+ * possibility to choose a portamento from this note , prev_note will be forced
+ * to invalid state on noteOff if portamento pedal is Off.
+ *
+ * The function is intended to be called when the following event occurs:
+ * - On noteOff (in poly or mono mode), to mark prev_note invalid.
+ * - On Portamento Off(in poly or mono mode), to mark prev_note invalid.
+ * @param chan  fluid_channel_t.
+ */
+void fluid_channel_invalid_prev_note_staccato(fluid_channel_t *chan)
+{
+    /* checks if the playing is staccato */
+    if(!(chan->mode & FLUID_CHANNEL_LEGATO_PLAYING))
+    {
+
+        /* checks if portamento pedal is off */
+        if(! fluid_channel_portamento(chan))
+        {
+            /* forces prev_note invalid */
+            fluid_channel_clear_prev_note(chan);
+        }
+    }
+
+    /* else prev_note still remains valid for next fromkey portamento */
+}
+
+/**
+ * The function handles poly/mono commutation on legato pedal On/Off.
+ * @param chan  fluid_channel_t.
+ * @param value, value of the CC legato.
+ */
+void fluid_channel_cc_legato(fluid_channel_t *chan, int value)
+{
+    /* Special handling of the monophonic list  */
+    if(!(chan->mode & FLUID_CHANNEL_POLY_OFF) && chan->n_notes)  /* The monophonic list have notes */
+    {
+        if(value < 64)   /* legato is released */
+        {
+            /* returns from monophonic to polyphonic with notes in the monophonic list */
+
+            /* The monophonic list is flushed keeping last note only
+               Note: i_last index keeps a trace of the most recent note played.
+               prev_note keeps a trace of the note i_last.
+               FLUID_CHANNEL_LEGATO_PLAYING bit keeps trace of legato/staccato playing.
+            */
+            chan->i_first = chan->i_last;
+            chan->n_notes = 1;
+        }
+        else /* legato is depressed */
+        {
+            /* Inters in monophonic from polyphonic with note in monophonic list */
+            /* Stops the running note to remain coherent with Breath Sync mode */
+            if((chan->mode &  FLUID_CHANNEL_BREATH_SYNC) && !fluid_channel_breath_msb(chan))
+            {
+                fluid_synth_noteoff_monopoly(chan->synth, chan->channum,
+                                             fluid_channel_last_note(chan), 1);
+            }
+        }
+    }
+}
+
+/**
+ * The function handles CC Breath On/Off detection. When a channel is in
+ * Breath Sync mode and in monophonic playing, the breath controller allows
+ * to trigger noteon/noteoff note when the musician starts to breath (noteon) and
+ * stops to breath (noteoff).
+ * @param chan  fluid_channel_t.
+ * @param value, value of the CC Breath..
+ */
+void fluid_channel_cc_breath_note_on_off(fluid_channel_t *chan, int value)
+{
+    if((chan->mode &  FLUID_CHANNEL_BREATH_SYNC)  && fluid_channel_is_playing_mono(chan) &&
+            (chan->n_notes))
+    {
+        /* The monophonic list isn't empty */
+        if((value > 0) && (chan->previous_cc_breath == 0))
+        {
+            /* CC Breath On detection */
+            fluid_synth_noteon_mono_staccato(chan->synth, chan->channum,
+                                             fluid_channel_last_note(chan),
+                                             fluid_channel_last_vel(chan));
+        }
+        else if((value == 0) && (chan->previous_cc_breath > 0))
+        {
+            /* CC Breath Off detection */
+            fluid_synth_noteoff_monopoly(chan->synth, chan->channum,
+                                         fluid_channel_last_note(chan), 1);
+        }
+    }
+
+    chan->previous_cc_breath = value;
+}
diff --git a/libs/fluidsynth/src/synth/fluid_chan.h b/libs/fluidsynth/src/synth/fluid_chan.h
new file mode 100644
index 00000000000..96eb02e37f5
--- /dev/null
+++ b/libs/fluidsynth/src/synth/fluid_chan.h
@@ -0,0 +1,276 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#ifndef _FLUID_CHAN_H
+#define _FLUID_CHAN_H
+
+#include "fluidsynth_priv.h"
+#include "fluid_midi.h"
+#include "fluid_tuning.h"
+
+/* The mononophonic list is part of the legato detector for monophonic mode */
+/* see fluid_synth_monopoly.c about a description of the legato detector device */
+/* Size of the monophonic list
+   - 1 is the minimum. it allows playing legato passage of any number
+     of notes on noteon only.
+   - Size above 1 allows playing legato on noteon but also on noteOff.
+     This allows the  musician to play fast trills.
+     This feature is particularly usful when the MIDI input device is a keyboard.
+     Choosing a size of 10 is sufficient (because most musicians have only 10
+     fingers when playing a monophonic instrument).
+*/
+#define FLUID_CHANNEL_SIZE_MONOLIST  10
+
+/*
+
+            The monophonic list
+   +------------------------------------------------+
+   |    +----+   +----+          +----+   +----+    |
+   |    |note|   |note|          |note|   |note|    |
+   +--->|vel |-->|vel |-->....-->|vel |-->|vel |----+
+        +----+   +----+          +----+   +----+
+         /|\                      /|\
+          |                        |
+       i_first                   i_last
+
+ The monophonic list is a circular buffer of FLUID_CHANNEL_SIZE_MONOLIST elements.
+ Each element is linked forward at initialisation time.
+ - when a note is added at noteOn  (see fluid_channel_add_monolist()) each
+   element is use in the forward direction and indexed by i_last variable.
+ - when a note is removed at noteOff (see fluid_channel_remove_monolist()),
+   the element concerned is fast unlinked and relinked after the i_last element.
+
+ The most recent note added is indexed by i_last.
+ The most ancient note added is the first note indexed by i_first. i_first is
+ moving in the forward direction in a circular manner.
+
+*/
+struct mononote
+{
+    unsigned char next; /* next note */
+    unsigned char note; /* note */
+    unsigned char vel;  /* velocity */
+};
+
+/*
+ * fluid_channel_t
+ *
+ * Mutual exclusion notes (as of 1.1.2):
+ * None - everything should have been synchronized by the synth.
+ */
+struct _fluid_channel_t
+{
+    fluid_synth_t *synth;                 /**< Parent synthesizer instance */
+    int channum;                          /**< MIDI channel number */
+
+    /* Poly Mono variables see macro access description */
+    int mode;								/**< Poly Mono mode */
+    int mode_val;							/**< number of channel in basic channel group */
+
+    /* monophonic list - legato detector */
+    unsigned char i_first;          /**< First note index */
+    unsigned char i_last;           /**< most recent note index since the most recent add */
+    unsigned char prev_note;        /**< previous note of the most recent add/remove */
+    unsigned char n_notes;          /**< actual number of notes in the list */
+    struct mononote monolist[FLUID_CHANNEL_SIZE_MONOLIST];   /**< monophonic list */
+
+    unsigned char key_mono_sustained;         /**< previous sustained monophonic note */
+    unsigned char previous_cc_breath;		  /**< Previous Breath */
+    enum fluid_channel_legato_mode legatomode;       /**< legato mode */
+    enum fluid_channel_portamento_mode portamentomode;   /**< portamento mode */
+    /*- End of Poly/mono variables description */
+
+    unsigned char cc[128];                         /**< MIDI controller values from [0;127] */
+    unsigned char key_pressure[128];               /**< MIDI polyphonic key pressure from [0;127] */
+
+    /* Drum channel flag, CHANNEL_TYPE_MELODIC, or CHANNEL_TYPE_DRUM. */
+    enum fluid_midi_channel_type channel_type;
+    enum fluid_interp interp_method;                    /**< Interpolation method (enum fluid_interp) */
+
+    unsigned char channel_pressure;                 /**< MIDI channel pressure from [0;127] */
+    unsigned char pitch_wheel_sensitivity;          /**< Current pitch wheel sensitivity */
+    short pitch_bend;                      /**< Current pitch bend value */
+    /* Sostenuto order id gives the order of SostenutoOn event.
+     * This value is useful to known when the sostenuto pedal is depressed
+     * (before or after a key note). We need to compare SostenutoOrderId with voice id.
+     */
+    unsigned int  sostenuto_orderid;
+
+    int tuning_bank;                      /**< Current tuning bank number */
+    int tuning_prog;                      /**< Current tuning program number */
+    fluid_tuning_t *tuning;               /**< Micro tuning */
+
+    fluid_preset_t *preset;               /**< Selected preset */
+    int sfont_bank_prog;                  /**< SoundFont ID (bit 21-31), bank (bit 7-20), program (bit 0-6) */
+
+    /* NRPN system */
+    enum fluid_gen_type nrpn_select;      /* Generator ID of SoundFont NRPN message */
+    char nrpn_active;      /* 1 if data entry CCs are for NRPN, 0 if RPN */
+
+    /* The values of the generators, set by NRPN messages, or by
+     * fluid_synth_set_gen(), are cached in the channel so they can be
+     * applied to future notes. They are copied to a voice's generators
+     * in fluid_voice_init(), which calls fluid_gen_init().  */
+    fluid_real_t gen[GEN_LAST];
+};
+
+fluid_channel_t *new_fluid_channel(fluid_synth_t *synth, int num);
+void fluid_channel_init_ctrl(fluid_channel_t *chan, int is_all_ctrl_off);
+void delete_fluid_channel(fluid_channel_t *chan);
+void fluid_channel_reset(fluid_channel_t *chan);
+int fluid_channel_set_preset(fluid_channel_t *chan, fluid_preset_t *preset);
+void fluid_channel_set_sfont_bank_prog(fluid_channel_t *chan, int sfont,
+                                       int bank, int prog);
+void fluid_channel_set_bank_lsb(fluid_channel_t *chan, int banklsb);
+void fluid_channel_set_bank_msb(fluid_channel_t *chan, int bankmsb);
+void fluid_channel_get_sfont_bank_prog(fluid_channel_t *chan, int *sfont,
+                                       int *bank, int *prog);
+fluid_real_t fluid_channel_get_key_pitch(fluid_channel_t *chan, int key);
+
+#define fluid_channel_get_preset(chan)          ((chan)->preset)
+#define fluid_channel_set_cc(chan, num, val) \
+  ((chan)->cc[num] = (val))
+#define fluid_channel_get_cc(chan, num) \
+  ((chan)->cc[num])
+#define fluid_channel_get_key_pressure(chan, key) \
+  ((chan)->key_pressure[key])
+#define fluid_channel_set_key_pressure(chan, key, val) \
+  ((chan)->key_pressure[key] = (val))
+#define fluid_channel_get_channel_pressure(chan) \
+  ((chan)->channel_pressure)
+#define fluid_channel_set_channel_pressure(chan, val) \
+  ((chan)->channel_pressure = (val))
+#define fluid_channel_get_pitch_bend(chan) \
+  ((chan)->pitch_bend)
+#define fluid_channel_set_pitch_bend(chan, val) \
+  ((chan)->pitch_bend = (val))
+#define fluid_channel_get_pitch_wheel_sensitivity(chan) \
+  ((chan)->pitch_wheel_sensitivity)
+#define fluid_channel_set_pitch_wheel_sensitivity(chan, val) \
+  ((chan)->pitch_wheel_sensitivity = (val))
+#define fluid_channel_get_num(chan)             ((chan)->channum)
+#define fluid_channel_set_interp_method(chan, new_method) \
+  ((chan)->interp_method = (new_method))
+#define fluid_channel_get_interp_method(chan) \
+  ((chan)->interp_method);
+#define fluid_channel_set_tuning(_c, _t)        { (_c)->tuning = _t; }
+#define fluid_channel_has_tuning(_c)            ((_c)->tuning != NULL)
+#define fluid_channel_get_tuning(_c)            ((_c)->tuning)
+#define fluid_channel_get_tuning_bank(chan)     \
+  ((chan)->tuning_bank)
+#define fluid_channel_set_tuning_bank(chan, bank) \
+  ((chan)->tuning_bank = (bank))
+#define fluid_channel_get_tuning_prog(chan)     \
+  ((chan)->tuning_prog)
+#define fluid_channel_set_tuning_prog(chan, prog) \
+  ((chan)->tuning_prog = (prog))
+#define fluid_channel_portamentotime(_c) \
+    ((_c)->cc[PORTAMENTO_TIME_MSB] * 128 + (_c)->cc[PORTAMENTO_TIME_LSB])
+#define fluid_channel_portamento(_c)			((_c)->cc[PORTAMENTO_SWITCH] >= 64)
+#define fluid_channel_breath_msb(_c)			((_c)->cc[BREATH_MSB] > 0)
+#define fluid_channel_clear_portamento(_c)		((_c)->cc[PORTAMENTO_CTRL] = INVALID_NOTE)
+#define fluid_channel_legato(_c)			    ((_c)->cc[LEGATO_SWITCH] >= 64)
+#define fluid_channel_sustained(_c)             ((_c)->cc[SUSTAIN_SWITCH] >= 64)
+#define fluid_channel_sostenuto(_c)             ((_c)->cc[SOSTENUTO_SWITCH] >= 64)
+#define fluid_channel_set_gen(_c, _n, _v)   { (_c)->gen[_n] = _v; }
+#define fluid_channel_get_gen(_c, _n)           ((_c)->gen[_n])
+#define fluid_channel_get_min_note_length_ticks(chan) \
+  ((chan)->synth->min_note_length_ticks)
+
+/* Macros interface to poly/mono mode variables */
+#define MASK_BASICCHANINFOS  (FLUID_CHANNEL_MODE_MASK|FLUID_CHANNEL_BASIC|FLUID_CHANNEL_ENABLED)
+/* Set the basic channel infos for a MIDI basic channel */
+#define fluid_channel_set_basic_channel_info(chan,Infos) \
+    (chan->mode = (chan->mode & ~MASK_BASICCHANINFOS) | (Infos & MASK_BASICCHANINFOS))
+/* Reset the basic channel infos for a MIDI basic channel */
+#define fluid_channel_reset_basic_channel_info(chan) (chan->mode &=  ~MASK_BASICCHANINFOS)
+
+/* Macros interface to breath variables */
+#define FLUID_CHANNEL_BREATH_MASK  (FLUID_CHANNEL_BREATH_POLY|FLUID_CHANNEL_BREATH_MONO|FLUID_CHANNEL_BREATH_SYNC)
+/* Set the breath infos for a MIDI  channel */
+#define fluid_channel_set_breath_info(chan,BreathInfos) \
+(chan->mode = (chan->mode & ~FLUID_CHANNEL_BREATH_MASK) | (BreathInfos & FLUID_CHANNEL_BREATH_MASK))
+/* Get the breath infos for a MIDI  channel */
+#define fluid_channel_get_breath_info(chan) (chan->mode & FLUID_CHANNEL_BREATH_MASK)
+
+/* Returns true when channel is mono or legato is on */
+#define fluid_channel_is_playing_mono(chan) ((chan->mode & FLUID_CHANNEL_POLY_OFF) ||\
+                                             fluid_channel_legato(chan))
+
+/* Macros interface to monophonic list variables */
+#define INVALID_NOTE (255)
+/* Returns true when a note is a valid note */
+#define fluid_channel_is_valid_note(n)    (n != INVALID_NOTE)
+/* Marks prev_note as invalid. */
+#define fluid_channel_clear_prev_note(chan)	(chan->prev_note = INVALID_NOTE)
+
+/* Returns the most recent note from i_last entry of the monophonic list */
+#define fluid_channel_last_note(chan)	(chan->monolist[chan->i_last].note)
+
+/* Returns the most recent velocity from i_last entry of the monophonic list */
+#define fluid_channel_last_vel(chan)	(chan->monolist[chan->i_last].vel)
+
+/*
+  prev_note is used to determine fromkey_portamento as well as
+  fromkey_legato (see fluid_synth_get_fromkey_portamento_legato()).
+
+  prev_note is updated on noteOn/noteOff mono by the legato detector as this:
+  - On noteOn mono, before adding a new note into the monolist,the most
+    recent  note in the list (i.e at i_last position) is kept in prev_note.
+  - Similarly, on  noteOff mono , before removing a note out of the monolist,
+    the most recent note (i.e those at i_last position) is kept in prev_note.
+*/
+#define fluid_channel_prev_note(chan)	(chan->prev_note)
+
+/* Interface to poly/mono mode variables */
+enum fluid_channel_mode_flags_internal
+{
+    FLUID_CHANNEL_BASIC = 0x04,    /**< if flag set the corresponding midi channel is a basic channel */
+    FLUID_CHANNEL_ENABLED = 0x08,  /**< if flag set the corresponding midi channel is enabled, else disabled, i.e. channel ignores any MIDI messages */
+
+    /*
+      FLUID_CHANNEL_LEGATO_PLAYING bit of channel mode keeps trace of the legato /staccato
+      state playing.
+      FLUID_CHANNEL_LEGATO_PLAYING bit is updated on noteOn/noteOff mono by the legato detector:
+      - On noteOn, before inserting a new note into the monolist.
+      - On noteOff, after removing a note out of the monolist.
+
+      - On noteOn, this state is used by fluid_synth_noteon_mono_LOCAL()
+      to play the current  note legato or staccato.
+      - On noteOff, this state is used by fluid_synth_noteoff_mono_LOCAL()
+      to play the current noteOff legato with the most recent note.
+    */
+    /* bit7, 1: means legato playing , 0: means staccato playing */
+    FLUID_CHANNEL_LEGATO_PLAYING = 0x80
+};
+
+/* End of interface to monophonic list variables */
+
+void fluid_channel_add_monolist(fluid_channel_t *chan, unsigned char key, unsigned char vel, unsigned char onenote);
+int fluid_channel_search_monolist(fluid_channel_t *chan, unsigned char key, int *i_prev);
+void fluid_channel_remove_monolist(fluid_channel_t *chan, int i, int *i_prev);
+void fluid_channel_clear_monolist(fluid_channel_t *chan);
+void fluid_channel_set_onenote_monolist(fluid_channel_t *chan, unsigned char key, unsigned char vel);
+void fluid_channel_invalid_prev_note_staccato(fluid_channel_t *chan);
+void fluid_channel_cc_legato(fluid_channel_t *chan, int value);
+void fluid_channel_cc_breath_note_on_off(fluid_channel_t *chan, int value);
+
+
+#endif /* _FLUID_CHAN_H */
diff --git a/libs/fluidsynth/src/synth/fluid_event.c b/libs/fluidsynth/src/synth/fluid_event.c
new file mode 100644
index 00000000000..48b781bd7bc
--- /dev/null
+++ b/libs/fluidsynth/src/synth/fluid_event.c
@@ -0,0 +1,863 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+
+/*
+ 2002 : API design by Peter Hanappe and Antoine Schmitt
+ August 2002 : Implementation by Antoine Schmitt as(a)gratin.org
+               as part of the infiniteCD author project
+               http://www.infiniteCD.org/
+ Oct4.2002 : AS : corrected bug in heap allocation, that caused a crash during sequencer free.
+*/
+
+
+#include "fluid_event.h"
+#include "fluidsynth_priv.h"
+#include "fluid_midi.h"
+
+/***************************************************************
+ *
+ *                           SEQUENCER EVENTS
+ */
+
+/* Event alloc/free */
+
+void
+fluid_event_clear(fluid_event_t *evt)
+{
+    FLUID_MEMSET(evt, 0, sizeof(fluid_event_t));
+
+    // by default, no type
+    evt->dest = -1;
+    evt->src = -1;
+    evt->type = -1;
+    evt->id = -1;
+}
+
+/**
+ * Create a new sequencer event structure.
+ * @return New sequencer event structure or NULL if out of memory
+ */
+fluid_event_t *
+new_fluid_event()
+{
+    fluid_event_t *evt;
+
+    evt = FLUID_NEW(fluid_event_t);
+
+    if(evt == NULL)
+    {
+        FLUID_LOG(FLUID_PANIC, "event: Out of memory\n");
+        return NULL;
+    }
+
+    fluid_event_clear(evt);
+
+    return(evt);
+}
+
+/**
+ * Delete a sequencer event structure.
+ * @param evt Sequencer event structure created by new_fluid_event().
+ */
+void
+delete_fluid_event(fluid_event_t *evt)
+{
+    fluid_return_if_fail(evt != NULL);
+
+    FLUID_FREE(evt);
+}
+
+/**
+ * Set the time field of a sequencer event.
+ * @internal
+ * @param evt Sequencer event structure
+ * @param time Time value to assign
+ */
+void
+fluid_event_set_time(fluid_event_t *evt, unsigned int time)
+{
+    evt->time = time;
+}
+
+void
+fluid_event_set_id(fluid_event_t *evt, fluid_note_id_t id)
+{
+    evt->id = id;
+}
+
+/**
+ * Set source of a sequencer event. \c src must be a unique sequencer ID or -1 if not set.
+ * @param evt Sequencer event structure
+ * @param src Unique sequencer ID
+ */
+void
+fluid_event_set_source(fluid_event_t *evt, fluid_seq_id_t src)
+{
+    evt->src = src;
+}
+
+/**
+ * Set destination of this sequencer event, i.e. the sequencer client this event will be sent to. \c dest must be a unique sequencer ID.
+ * @param evt Sequencer event structure
+ * @param dest The destination unique sequencer ID
+ */
+void
+fluid_event_set_dest(fluid_event_t *evt, fluid_seq_id_t dest)
+{
+    evt->dest = dest;
+}
+
+/**
+ * Set a sequencer event to be a timer event.
+ * @param evt Sequencer event structure
+ * @param data User supplied data pointer
+ */
+void
+fluid_event_timer(fluid_event_t *evt, void *data)
+{
+    evt->type = FLUID_SEQ_TIMER;
+    evt->data = data;
+}
+
+/**
+ * Set a sequencer event to be a note on event.
+ * @param evt Sequencer event structure
+ * @param channel MIDI channel number
+ * @param key MIDI note number (0-127)
+ * @param vel MIDI velocity value (0-127)
+ * @note Since fluidsynth 2.2.2, this function will give you a #FLUID_SEQ_NOTEOFF when
+ * called with @p vel being zero.
+ */
+void
+fluid_event_noteon(fluid_event_t *evt, int channel, short key, short vel)
+{
+    if(vel == 0)
+    {
+        fluid_event_noteoff(evt, channel, key);
+        return;
+    }
+
+    evt->type = FLUID_SEQ_NOTEON;
+    evt->channel = channel;
+    evt->key = key;
+    evt->vel = vel;
+}
+
+/**
+ * Set a sequencer event to be a note off event.
+ * @param evt Sequencer event structure
+ * @param channel MIDI channel number
+ * @param key MIDI note number (0-127)
+ */
+void
+fluid_event_noteoff(fluid_event_t *evt, int channel, short key)
+{
+    evt->type = FLUID_SEQ_NOTEOFF;
+    evt->channel = channel;
+    evt->key = key;
+}
+
+/**
+ * Set a sequencer event to be a note duration event.
+ *
+ * Before fluidsynth 2.2.0, this event type was naively implemented when used in conjunction with fluid_sequencer_register_fluidsynth(),
+ * because it simply enqueued a fluid_event_noteon() and fluid_event_noteoff().
+ * A handling for overlapping notes was not implemented. Starting with 2.2.0, this changes: If a fluid_event_note() is already playing,
+ * while another fluid_event_note() arrives on the same @c channel and @c key, the earlier event will be canceled.
+ * @param evt Sequencer event structure
+ * @param channel MIDI channel number
+ * @param key MIDI note number (0-127)
+ * @param vel MIDI velocity value (1-127)
+ * @param duration Duration of note in the time scale used by the sequencer
+ *
+ * @note The application should decide whether to use only Notes with duration, or separate NoteOn and NoteOff events.
+ * @warning Calling this function with @p vel or @p duration being zero results in undefined behavior!
+ */
+void
+fluid_event_note(fluid_event_t *evt, int channel, short key, short vel, unsigned int duration)
+{
+    evt->type = FLUID_SEQ_NOTE;
+    evt->channel = channel;
+    evt->key = key;
+    evt->vel = vel;
+    evt->duration = duration;
+}
+
+/**
+ * Set a sequencer event to be an all sounds off event.
+ * @param evt Sequencer event structure
+ * @param channel MIDI channel number
+ */
+void
+fluid_event_all_sounds_off(fluid_event_t *evt, int channel)
+{
+    evt->type = FLUID_SEQ_ALLSOUNDSOFF;
+    evt->channel = channel;
+}
+
+/**
+ * Set a sequencer event to be a all notes off event.
+ * @param evt Sequencer event structure
+ * @param channel MIDI channel number
+ */
+void
+fluid_event_all_notes_off(fluid_event_t *evt, int channel)
+{
+    evt->type = FLUID_SEQ_ALLNOTESOFF;
+    evt->channel = channel;
+}
+
+/**
+ * Set a sequencer event to be a bank select event.
+ * @param evt Sequencer event structure
+ * @param channel MIDI channel number
+ * @param bank_num MIDI bank number (0-16383)
+ */
+void
+fluid_event_bank_select(fluid_event_t *evt, int channel, short bank_num)
+{
+    evt->type = FLUID_SEQ_BANKSELECT;
+    evt->channel = channel;
+    evt->control = bank_num;
+}
+
+/**
+ * Set a sequencer event to be a program change event.
+ * @param evt Sequencer event structure
+ * @param channel MIDI channel number
+ * @param val MIDI program number (0-127)
+ */
+void
+fluid_event_program_change(fluid_event_t *evt, int channel, int val)
+{
+    evt->type = FLUID_SEQ_PROGRAMCHANGE;
+    evt->channel = channel;
+    evt->value = val;
+}
+
+/**
+ * Set a sequencer event to be a program select event.
+ * @param evt Sequencer event structure
+ * @param channel MIDI channel number
+ * @param sfont_id SoundFont ID number
+ * @param bank_num MIDI bank number (0-16383)
+ * @param preset_num MIDI preset number (0-127)
+ */
+void
+fluid_event_program_select(fluid_event_t *evt, int channel,
+                           unsigned int sfont_id, short bank_num, short preset_num)
+{
+    evt->type = FLUID_SEQ_PROGRAMSELECT;
+    evt->channel = channel;
+    evt->duration = sfont_id;
+    evt->value = preset_num;
+    evt->control = bank_num;
+}
+
+/**
+ * Set a sequencer event to be a pitch bend event.
+ * @param evt Sequencer event structure
+ * @param channel MIDI channel number
+ * @param pitch MIDI pitch bend value (0-16383, 8192 = no bend)
+ */
+void
+fluid_event_pitch_bend(fluid_event_t *evt, int channel, int pitch)
+{
+    evt->type = FLUID_SEQ_PITCHBEND;
+    evt->channel = channel;
+
+    if(pitch < 0)
+    {
+        pitch = 0;
+    }
+
+    if(pitch > 16383)
+    {
+        pitch = 16383;
+    }
+
+    evt->pitch = pitch;
+}
+
+/**
+ * Set a sequencer event to be a pitch wheel sensitivity event.
+ * @param evt Sequencer event structure
+ * @param channel MIDI channel number
+ * @param value MIDI pitch wheel sensitivity value in semitones
+ */
+void
+fluid_event_pitch_wheelsens(fluid_event_t *evt, int channel, int value)
+{
+    evt->type = FLUID_SEQ_PITCHWHEELSENS;
+    evt->channel = channel;
+    evt->value = value;
+}
+
+/**
+ * Set a sequencer event to be a modulation event.
+ * @param evt Sequencer event structure
+ * @param channel MIDI channel number
+ * @param val MIDI modulation value (0-127)
+ */
+void
+fluid_event_modulation(fluid_event_t *evt, int channel, int val)
+{
+    evt->type = FLUID_SEQ_MODULATION;
+    evt->channel = channel;
+
+    if(val < 0)
+    {
+        val = 0;
+    }
+
+    if(val > 127)
+    {
+        val = 127;
+    }
+
+    evt->value = val;
+}
+
+/**
+ * Set a sequencer event to be a MIDI sustain event.
+ * @param evt Sequencer event structure
+ * @param channel MIDI channel number
+ * @param val MIDI sustain value (0-127)
+ */
+void
+fluid_event_sustain(fluid_event_t *evt, int channel, int val)
+{
+    evt->type = FLUID_SEQ_SUSTAIN;
+    evt->channel = channel;
+
+    if(val < 0)
+    {
+        val = 0;
+    }
+
+    if(val > 127)
+    {
+        val = 127;
+    }
+
+    evt->value = val;
+}
+
+/**
+ * Set a sequencer event to be a MIDI control change event.
+ * @param evt Sequencer event structure
+ * @param channel MIDI channel number
+ * @param control MIDI control number (0-127)
+ * @param val MIDI control value (0-127)
+ */
+void
+fluid_event_control_change(fluid_event_t *evt, int channel, short control, int val)
+{
+    evt->type = FLUID_SEQ_CONTROLCHANGE;
+    evt->channel = channel;
+    evt->control = control;
+    evt->value = val;
+}
+
+/**
+ * Set a sequencer event to be a stereo pan event.
+ * @param evt Sequencer event structure
+ * @param channel MIDI channel number
+ * @param val MIDI panning value (0-127, 0=left, 64 = middle, 127 = right)
+ */
+void
+fluid_event_pan(fluid_event_t *evt, int channel, int val)
+{
+    evt->type = FLUID_SEQ_PAN;
+    evt->channel = channel;
+
+    if(val < 0)
+    {
+        val = 0;
+    }
+
+    if(val > 127)
+    {
+        val = 127;
+    }
+
+    evt->value = val;
+}
+
+/**
+ * Set a sequencer event to be a volume event.
+ * @param evt Sequencer event structure
+ * @param channel MIDI channel number
+ * @param val Volume value (0-127)
+ */
+void
+fluid_event_volume(fluid_event_t *evt, int channel, int val)
+{
+    evt->type = FLUID_SEQ_VOLUME;
+    evt->channel = channel;
+
+    if(val < 0)
+    {
+        val = 0;
+    }
+
+    if(val > 127)
+    {
+        val = 127;
+    }
+
+    evt->value = val;
+}
+
+/**
+ * Set a sequencer event to be a reverb send event.
+ * @param evt Sequencer event structure
+ * @param channel MIDI channel number
+ * @param val Reverb amount (0-127)
+ */
+void
+fluid_event_reverb_send(fluid_event_t *evt, int channel, int val)
+{
+    evt->type = FLUID_SEQ_REVERBSEND;
+    evt->channel = channel;
+
+    if(val < 0)
+    {
+        val = 0;
+    }
+
+    if(val > 127)
+    {
+        val = 127;
+    }
+
+    evt->value = val;
+}
+
+/**
+ * Set a sequencer event to be a chorus send event.
+ * @param evt Sequencer event structure
+ * @param channel MIDI channel number
+ * @param val Chorus amount (0-127)
+ */
+void
+fluid_event_chorus_send(fluid_event_t *evt, int channel, int val)
+{
+    evt->type = FLUID_SEQ_CHORUSSEND;
+    evt->channel = channel;
+
+    if(val < 0)
+    {
+        val = 0;
+    }
+
+    if(val > 127)
+    {
+        val = 127;
+    }
+
+    evt->value = val;
+}
+
+
+/**
+ * Set a sequencer event to be an unregistering event.
+ * @param evt Sequencer event structure
+ * @since 1.1.0
+ */
+void
+fluid_event_unregistering(fluid_event_t *evt)
+{
+    evt->type = FLUID_SEQ_UNREGISTERING;
+}
+
+/**
+ * Set a sequencer event to be a scale change event.
+ * Useful for scheduling tempo changes.
+ * @param evt Sequencer event structure
+ * @param new_scale The new time scale to apply to the sequencer, see fluid_sequencer_set_time_scale()
+ * @since 2.2.0
+ */
+void
+fluid_event_scale(fluid_event_t *evt, double new_scale)
+{
+    evt->type = FLUID_SEQ_SCALE;
+    evt->scale = new_scale;
+}
+
+/**
+ * Set a sequencer event to be a channel-wide aftertouch event.
+ * @param evt Sequencer event structure
+ * @param channel MIDI channel number
+ * @param val Aftertouch amount (0-127)
+ * @since 1.1.0
+ */
+void
+fluid_event_channel_pressure(fluid_event_t *evt, int channel, int val)
+{
+    evt->type = FLUID_SEQ_CHANNELPRESSURE;
+    evt->channel = channel;
+
+    if(val < 0)
+    {
+        val = 0;
+    }
+
+    if(val > 127)
+    {
+        val = 127;
+    }
+
+    evt->value = val;
+}
+
+/**
+ * Set a sequencer event to be a polyphonic aftertouch event.
+ * @param evt Sequencer event structure
+ * @param channel MIDI channel number
+ * @param key MIDI note number (0-127)
+ * @param val Aftertouch amount (0-127)
+ * @since 2.0.0
+ */
+void
+fluid_event_key_pressure(fluid_event_t *evt, int channel, short key, int val)
+{
+    evt->type = FLUID_SEQ_KEYPRESSURE;
+    evt->channel = channel;
+
+    if(key < 0)
+    {
+        key = 0;
+    }
+
+    if(key > 127)
+    {
+        key = 127;
+    }
+
+    if(val < 0)
+    {
+        val = 0;
+    }
+
+    if(val > 127)
+    {
+        val = 127;
+    }
+
+    evt->key = key;
+    evt->value = val;
+}
+
+/**
+ * Set a sequencer event to be a midi system reset event.
+ * @param evt Sequencer event structure
+ * @since 1.1.0
+ */
+void
+fluid_event_system_reset(fluid_event_t *evt)
+{
+    evt->type = FLUID_SEQ_SYSTEMRESET;
+}
+
+/**
+ * Transforms an incoming MIDI event (from a MIDI driver or MIDI router) to a
+ * sequencer event.
+ *
+ * @param evt Sequencer event structure
+ * @param event MIDI event
+ * @return #FLUID_OK or #FLUID_FAILED
+ *
+ * @note This function copies the fields of the MIDI event into the provided
+ * sequencer event. Calling applications must create the sequencer event and set
+ * additional fields such as the source and destination of the sequencer event.
+ *
+ * @code{.cpp}
+ * // ... get MIDI event, e.g. using player_callback()
+ *
+ * // Send MIDI event to sequencer to play
+ * fluid_event_t *evt = new_fluid_event();
+ * fluid_event_set_source(evt, -1);
+ * fluid_event_set_dest(evt, seqid);
+ * fluid_event_from_midi_event(evt, event);
+ * fluid_sequencer_send_at(sequencer, evt, 50, 0); // relative time
+ * delete_fluid_event(evt);
+ * @endcode
+ *
+ * @since 2.2.7
+ */
+int fluid_event_from_midi_event(fluid_event_t *evt, const fluid_midi_event_t *event)
+{
+    int chan;
+    fluid_return_val_if_fail(event != NULL, FLUID_FAILED);
+
+    chan = fluid_midi_event_get_channel(event);
+
+    switch (fluid_midi_event_get_type(event))
+    {
+        case NOTE_OFF:
+            fluid_event_noteoff(evt, chan, (short)fluid_midi_event_get_key(event));
+            break;
+
+        case NOTE_ON:
+            fluid_event_noteon(evt,
+                               fluid_midi_event_get_channel(event),
+                               (short)fluid_midi_event_get_key(event),
+                               (short)fluid_midi_event_get_velocity(event));
+            break;
+
+        case CONTROL_CHANGE:
+            fluid_event_control_change(evt,
+                                       chan,
+                                       (short)fluid_midi_event_get_control(event),
+                                       (short)fluid_midi_event_get_value(event));
+            break;
+
+        case PROGRAM_CHANGE:
+            fluid_event_program_change(evt, chan, (short)fluid_midi_event_get_program(event));
+            break;
+
+        case PITCH_BEND:
+            fluid_event_pitch_bend(evt, chan, fluid_midi_event_get_pitch(event));
+            break;
+
+        case CHANNEL_PRESSURE:
+            fluid_event_channel_pressure(evt, chan, (short)fluid_midi_event_get_program(event));
+            break;
+
+        case KEY_PRESSURE:
+            fluid_event_key_pressure(evt,
+                                     chan,
+                                     (short)fluid_midi_event_get_key(event),
+                                     (short)fluid_midi_event_get_value(event));
+            break;
+
+        case MIDI_SYSTEM_RESET:
+            fluid_event_system_reset(evt);
+            break;
+
+        default: /* Not yet implemented */
+            return FLUID_FAILED;
+    }
+
+    return FLUID_OK;
+}
+
+/*
+ * Accessing event data
+ */
+
+/**
+ * Get the event type (#fluid_seq_event_type) field from a sequencer event structure.
+ * @param evt Sequencer event structure
+ * @return Event type (#fluid_seq_event_type).
+ */
+int fluid_event_get_type(fluid_event_t *evt)
+{
+    return evt->type;
+}
+
+/**
+ * @internal
+ * Get the time field from a sequencer event structure.
+ * @param evt Sequencer event structure
+ * @return Time value
+ */
+unsigned int fluid_event_get_time(fluid_event_t *evt)
+{
+    return evt->time;
+}
+
+/**
+ * @internal
+ * Get the time field from a sequencer event structure.
+ * @param evt Sequencer event structure
+ * @return Time value
+ */
+fluid_note_id_t fluid_event_get_id(fluid_event_t *evt)
+{
+    return evt->id;
+}
+
+/**
+ * Get the source sequencer client from a sequencer event structure.
+ * @param evt Sequencer event structure
+ * @return source field of the sequencer event
+ */
+fluid_seq_id_t fluid_event_get_source(fluid_event_t *evt)
+{
+    return evt->src;
+}
+
+/**
+ * Get the dest sequencer client from a sequencer event structure.
+ * @param evt Sequencer event structure
+ * @return dest field of the sequencer event
+ */
+fluid_seq_id_t fluid_event_get_dest(fluid_event_t *evt)
+{
+    return evt->dest;
+}
+
+/**
+ * Get the MIDI channel field from a sequencer event structure.
+ * @param evt Sequencer event structure
+ * @return MIDI zero-based channel number
+ */
+int fluid_event_get_channel(fluid_event_t *evt)
+{
+    return evt->channel;
+}
+
+/**
+ * Get the MIDI note field from a sequencer event structure.
+ * @param evt Sequencer event structure
+ * @return MIDI note number (0-127)
+ */
+short fluid_event_get_key(fluid_event_t *evt)
+{
+    return evt->key;
+}
+
+/**
+ * Get the MIDI velocity field from a sequencer event structure.
+ * @param evt Sequencer event structure
+ * @return MIDI velocity value (0-127)
+ */
+short fluid_event_get_velocity(fluid_event_t *evt)
+
+{
+    return evt->vel;
+}
+
+/**
+ * Get the MIDI control number field from a sequencer event structure.
+ * @param evt Sequencer event structure
+ * @return MIDI control number (0-127)
+ */
+short fluid_event_get_control(fluid_event_t *evt)
+{
+    return evt->control;
+}
+
+/**
+ * Get the value field from a sequencer event structure.
+ * @param evt Sequencer event structure
+ * @return Value field of event.
+ *
+ * The Value field is used by the following event types:
+ * #FLUID_SEQ_PROGRAMCHANGE, #FLUID_SEQ_PROGRAMSELECT (preset_num),
+ * #FLUID_SEQ_PITCHWHEELSENS, #FLUID_SEQ_MODULATION, #FLUID_SEQ_SUSTAIN,
+ * #FLUID_SEQ_CONTROLCHANGE, #FLUID_SEQ_PAN, #FLUID_SEQ_VOLUME,
+ * #FLUID_SEQ_REVERBSEND, #FLUID_SEQ_CHORUSSEND.
+ */
+int fluid_event_get_value(fluid_event_t *evt)
+{
+    return evt->value;
+}
+
+/**
+ * Get the data field from a sequencer event structure.
+ * @param evt Sequencer event structure
+ * @return Data field of event.
+ *
+ * Used by the #FLUID_SEQ_TIMER event type.
+ */
+void *fluid_event_get_data(fluid_event_t *evt)
+{
+    return evt->data;
+}
+
+/**
+ * Get the duration field from a sequencer event structure.
+ * @param evt Sequencer event structure
+ * @return Note duration value in the time scale used by the sequencer (by default milliseconds)
+ *
+ * Used by the #FLUID_SEQ_NOTE event type.
+ */
+unsigned int fluid_event_get_duration(fluid_event_t *evt)
+{
+    return evt->duration;
+}
+
+/**
+ * Get the MIDI bank field from a sequencer event structure.
+ * @param evt Sequencer event structure
+ * @return MIDI bank number (0-16383)
+ *
+ * Used by the #FLUID_SEQ_BANKSELECT and #FLUID_SEQ_PROGRAMSELECT
+ * event types.
+ */
+short fluid_event_get_bank(fluid_event_t *evt)
+{
+    return evt->control;
+}
+
+/**
+ * Get the pitch field from a sequencer event structure.
+ * @param evt Sequencer event structure
+ * @return MIDI pitch bend pitch value (0-16383, 8192 = no bend)
+ *
+ * Used by the #FLUID_SEQ_PITCHBEND event type.
+ */
+int fluid_event_get_pitch(fluid_event_t *evt)
+{
+    return evt->pitch;
+}
+
+/**
+ * Get the MIDI program field from a sequencer event structure.
+ * @param evt Sequencer event structure
+ * @return MIDI program number (0-127)
+ *
+ * Used by the #FLUID_SEQ_PROGRAMCHANGE and #FLUID_SEQ_PROGRAMSELECT
+ * event types.
+ */
+int
+fluid_event_get_program(fluid_event_t *evt)
+{
+    return evt->value;
+}
+
+/**
+ * Get the SoundFont ID field from a sequencer event structure.
+ * @param evt Sequencer event structure
+ * @return SoundFont identifier value.
+ *
+ * Used by the #FLUID_SEQ_PROGRAMSELECT event type.
+ */
+unsigned int
+fluid_event_get_sfont_id(fluid_event_t *evt)
+{
+    return evt->duration;
+}
+
+/**
+ * Gets time scale field from a sequencer event structure.
+ * @param evt Sequencer event structure
+ * @return SoundFont identifier value.
+ *
+ * Used by the #FLUID_SEQ_SCALE event type.
+ */
+double fluid_event_get_scale(fluid_event_t *evt)
+{
+    return evt->scale;
+}
diff --git a/libs/fluidsynth/src/synth/fluid_event.h b/libs/fluidsynth/src/synth/fluid_event.h
new file mode 100644
index 00000000000..4a0cca5d93d
--- /dev/null
+++ b/libs/fluidsynth/src/synth/fluid_event.h
@@ -0,0 +1,65 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+
+#ifndef _FLUID_EVENT_PRIV_H
+#define _FLUID_EVENT_PRIV_H
+
+#include "fluidsynth.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef int fluid_note_id_t;
+
+/* Private data for event */
+/* ?? should be optimized in size, using unions */
+struct _fluid_event_t
+{
+    unsigned int time;
+    int type;
+    fluid_seq_id_t src;
+    fluid_seq_id_t dest;
+    int channel;
+    short key;
+    short vel;
+    short control;
+    int value;
+    fluid_note_id_t id;
+    int pitch;
+    unsigned int duration;
+    double scale;
+    void *data;
+};
+
+unsigned int fluid_event_get_time(fluid_event_t *evt);
+void fluid_event_set_time(fluid_event_t *evt, unsigned int time);
+
+fluid_note_id_t fluid_event_get_id(fluid_event_t *evt);
+void fluid_event_set_id(fluid_event_t *evt, fluid_note_id_t id);
+
+void fluid_event_clear(fluid_event_t *evt);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _FLUID_EVENT_PRIV_H */
diff --git a/libs/fluidsynth/src/synth/fluid_gen.c b/libs/fluidsynth/src/synth/fluid_gen.c
new file mode 100644
index 00000000000..2ce2b0f74b5
--- /dev/null
+++ b/libs/fluidsynth/src/synth/fluid_gen.c
@@ -0,0 +1,133 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+
+#include "fluid_gen.h"
+#include "fluid_chan.h"
+
+
+#define _GEN(_name) GEN_ ## _name, #_name
+
+
+/* See SFSpec21 $8.1.3 */
+static const fluid_gen_info_t fluid_gen_info[] =
+{
+    /* number/name             init  nrpn-scale    min        max         def */
+    { _GEN(STARTADDROFS),           1,     1,       0.0f,     1e10f,       0.0f },
+    { _GEN(ENDADDROFS),             1,     1,     -1e10f,      0.0f,       0.0f },
+    { _GEN(STARTLOOPADDROFS),       1,     1,     -1e10f,     1e10f,       0.0f },
+    { _GEN(ENDLOOPADDROFS),         1,     1,     -1e10f,     1e10f,       0.0f },
+    { _GEN(STARTADDRCOARSEOFS),     0,     1,       0.0f,     1e10f,       0.0f },
+    { _GEN(MODLFOTOPITCH),          1,     2,  -12000.0f,  12000.0f,       0.0f },
+    { _GEN(VIBLFOTOPITCH),          1,     2,  -12000.0f,  12000.0f,       0.0f },
+    { _GEN(MODENVTOPITCH),          1,     2,  -12000.0f,  12000.0f,       0.0f },
+    { _GEN(FILTERFC),               1,     2,    1500.0f,  13500.0f,   13500.0f },
+    { _GEN(FILTERQ),                1,     1,       0.0f,    960.0f,       0.0f },
+    { _GEN(MODLFOTOFILTERFC),       1,     2,  -12000.0f,  12000.0f,       0.0f },
+    { _GEN(MODENVTOFILTERFC),       1,     2,  -12000.0f,  12000.0f,       0.0f },
+    { _GEN(ENDADDRCOARSEOFS),       0,     1,     -1e10f,      0.0f,       0.0f },
+    { _GEN(MODLFOTOVOL),            1,     1,    -960.0f,    960.0f,       0.0f },
+    { _GEN(UNUSED1),                0,     0,       0.0f,      0.0f,       0.0f },
+    { _GEN(CHORUSSEND),             1,     1,       0.0f,   1000.0f,       0.0f },
+    { _GEN(REVERBSEND),             1,     1,       0.0f,   1000.0f,       0.0f },
+    { _GEN(PAN),                    1,     1,    -500.0f,    500.0f,       0.0f },
+    { _GEN(UNUSED2),                0,     0,       0.0f,      0.0f,       0.0f },
+    { _GEN(UNUSED3),                0,     0,       0.0f,      0.0f,       0.0f },
+    { _GEN(UNUSED4),                0,     0,       0.0f,      0.0f,       0.0f },
+    { _GEN(MODLFODELAY),            1,     2,  -12000.0f,   5000.0f,  -12000.0f },
+    { _GEN(MODLFOFREQ),             1,     4,  -16000.0f,   4500.0f,       0.0f },
+    { _GEN(VIBLFODELAY),            1,     2,  -12000.0f,   5000.0f,  -12000.0f },
+    { _GEN(VIBLFOFREQ),             1,     4,  -16000.0f,   4500.0f,       0.0f },
+    { _GEN(MODENVDELAY),            1,     2,  -12000.0f,   5000.0f,  -12000.0f },
+    { _GEN(MODENVATTACK),           1,     2,  -12000.0f,   8000.0f,  -12000.0f },
+    { _GEN(MODENVHOLD),             1,     2,  -12000.0f,   5000.0f,  -12000.0f },
+    { _GEN(MODENVDECAY),            1,     2,  -12000.0f,   8000.0f,  -12000.0f },
+    { _GEN(MODENVSUSTAIN),          0,     1,       0.0f,   1000.0f,       0.0f },
+    { _GEN(MODENVRELEASE),          1,     2,  -12000.0f,   8000.0f,  -12000.0f },
+    { _GEN(KEYTOMODENVHOLD),        0,     1,   -1200.0f,   1200.0f,       0.0f },
+    { _GEN(KEYTOMODENVDECAY),       0,     1,   -1200.0f,   1200.0f,       0.0f },
+    { _GEN(VOLENVDELAY),            1,     2,  -12000.0f,   5000.0f,  -12000.0f },
+    { _GEN(VOLENVATTACK),           1,     2,  -12000.0f,   8000.0f,  -12000.0f },
+    { _GEN(VOLENVHOLD),             1,     2,  -12000.0f,   5000.0f,  -12000.0f },
+    { _GEN(VOLENVDECAY),            1,     2,  -12000.0f,   8000.0f,  -12000.0f },
+    { _GEN(VOLENVSUSTAIN),          0,     1,       0.0f,   1440.0f,       0.0f },
+    { _GEN(VOLENVRELEASE),          1,     2,  -12000.0f,   8000.0f,  -12000.0f },
+    { _GEN(KEYTOVOLENVHOLD),        0,     1,   -1200.0f,   1200.0f,       0.0f },
+    { _GEN(KEYTOVOLENVDECAY),       0,     1,   -1200.0f,   1200.0f,       0.0f },
+    { _GEN(INSTRUMENT),             0,     0,       0.0f,      0.0f,       0.0f },
+    { _GEN(RESERVED1),              0,     0,       0.0f,      0.0f,       0.0f },
+    { _GEN(KEYRANGE),               0,     0,       0.0f,    127.0f,       0.0f },
+    { _GEN(VELRANGE),               0,     0,       0.0f,    127.0f,       0.0f },
+    { _GEN(STARTLOOPADDRCOARSEOFS), 0,     1,     -1e10f,     1e10f,       0.0f },
+    { _GEN(KEYNUM),                 1,     0,       0.0f,    127.0f,      -1.0f },
+    { _GEN(VELOCITY),               1,     1,       0.0f,    127.0f,      -1.0f },
+    { _GEN(ATTENUATION),            1,     1,       0.0f,   1440.0f,       0.0f },
+    { _GEN(RESERVED2),              0,     0,       0.0f,      0.0f,       0.0f },
+    { _GEN(ENDLOOPADDRCOARSEOFS),   0,     1,     -1e10f,     1e10f,       0.0f },
+    { _GEN(COARSETUNE),             0,     1,    -120.0f,    120.0f,       0.0f },
+    { _GEN(FINETUNE),               0,     1,     -99.0f,     99.0f,       0.0f },
+    { _GEN(SAMPLEID),               0,     0,       0.0f,      0.0f,       0.0f },
+    { _GEN(SAMPLEMODE),             0,     0,       0.0f,      0.0f,       0.0f },
+    { _GEN(RESERVED3),              0,     0,       0.0f,      0.0f,       0.0f },
+    { _GEN(SCALETUNE),              0,     1,       0.0f,   1200.0f,     100.0f },
+    { _GEN(EXCLUSIVECLASS),         0,     0,       0.0f,      0.0f,       0.0f },
+    { _GEN(OVERRIDEROOTKEY),        1,     0,       0.0f,    127.0f,      -1.0f },
+    { _GEN(PITCH),                  1,     0,       0.0f,    127.0f,       0.0f },
+    { _GEN(CUSTOM_BALANCE),         1,     0,    -960.0f,    960.0f,       0.0f },
+    { _GEN(CUSTOM_FILTERFC),        1,     2,       0.0f,  22050.0f,       0.0f },
+    { _GEN(CUSTOM_FILTERQ),         1,     1,       0.0f,    960.0f,       0.0f }
+};
+
+/* fluid_gen_init
+ *
+ * Set an array of generators to their initial value
+ */
+void
+fluid_gen_init(fluid_gen_t *gen, fluid_channel_t *channel)
+{
+    int i;
+
+    for(i = 0; i < GEN_LAST; i++)
+    {
+        gen[i].flags = GEN_UNUSED;
+        gen[i].mod = 0.0;
+        gen[i].nrpn = (channel == NULL) ? 0.0 : fluid_channel_get_gen(channel, i);
+        gen[i].val = fluid_gen_info[i].def;
+    }
+}
+
+fluid_real_t fluid_gen_scale(int gen, float value)
+{
+    return (fluid_gen_info[gen].min
+            + value * (fluid_gen_info[gen].max - fluid_gen_info[gen].min));
+}
+
+fluid_real_t fluid_gen_scale_nrpn(int gen, int data)
+{
+    data = data - 8192;
+    fluid_clip(data, -8192, 8192);
+    return (fluid_real_t)(data * fluid_gen_info[gen].nrpn_scale);
+}
+
+
+const char *fluid_gen_name(int gen)
+{
+    return fluid_gen_info[gen].name;
+}
diff --git a/libs/fluidsynth/src/synth/fluid_gen.h b/libs/fluidsynth/src/synth/fluid_gen.h
new file mode 100644
index 00000000000..b87e8d8a8c6
--- /dev/null
+++ b/libs/fluidsynth/src/synth/fluid_gen.h
@@ -0,0 +1,67 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+
+#ifndef _FLUID_GEN_H
+#define _FLUID_GEN_H
+
+#include "fluidsynth_priv.h"
+
+typedef struct _fluid_gen_info_t
+{
+    char num;		/* Generator number */
+    char *name;
+    char init;		/* Does the generator need to be initialized (not used) */
+    char nrpn_scale;	/* The scale to convert from NRPN (cfr. fluid_gen_map_nrpn()) */
+    float min;		/* The minimum value */
+    float max;		/* The maximum value */
+    float def;		/* The default value (cfr. fluid_gen_init()) */
+} fluid_gen_info_t;
+
+/*
+ * SoundFont generator structure.
+ */
+typedef struct _fluid_gen_t
+{
+    unsigned char flags; /**< Is the generator set or not (#fluid_gen_flags) */
+    double val;          /**< The nominal value */
+    double mod;          /**< Change by modulators */
+    double nrpn;         /**< Change by NRPN messages */
+} fluid_gen_t;
+
+/*
+ * Enum value for 'flags' field of #fluid_gen_t (not really flags).
+ */
+enum fluid_gen_flags
+{
+    GEN_UNUSED,		/**< Generator value is not set */
+    GEN_SET,		/**< Generator value is set */
+};
+
+#define fluid_gen_set_mod(_gen, _val)  { (_gen)->mod = (double) (_val); }
+#define fluid_gen_set_nrpn(_gen, _val) { (_gen)->nrpn = (double) (_val); }
+
+fluid_real_t fluid_gen_scale(int gen, float value);
+fluid_real_t fluid_gen_scale_nrpn(int gen, int nrpn);
+void fluid_gen_init(fluid_gen_t *gen, fluid_channel_t *channel);
+const char *fluid_gen_name(int gen);
+
+
+#endif /* _FLUID_GEN_H */
diff --git a/libs/fluidsynth/src/synth/fluid_mod.c b/libs/fluidsynth/src/synth/fluid_mod.c
new file mode 100644
index 00000000000..95996720812
--- /dev/null
+++ b/libs/fluidsynth/src/synth/fluid_mod.c
@@ -0,0 +1,881 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#include "fluid_mod.h"
+#include "fluid_chan.h"
+#include "fluid_voice.h"
+
+/**
+ * Clone the modulators destination, sources, flags and amount.
+ *
+ * @param mod the modulator to store the copy to
+ * @param src the source modulator to retrieve the information from
+ *
+ * @note The \c next member of \c mod will be left unchanged.
+ */
+void
+fluid_mod_clone(fluid_mod_t *mod, const fluid_mod_t *src)
+{
+    mod->dest = src->dest;
+    mod->src1 = src->src1;
+    mod->flags1 = src->flags1;
+    mod->src2 = src->src2;
+    mod->flags2 = src->flags2;
+    mod->amount = src->amount;
+}
+
+/**
+ * Set a modulator's primary source controller and flags.
+ *
+ * @param mod The modulator instance
+ * @param src Modulator source (#fluid_mod_src or a MIDI controller number)
+ * @param flags Flags determining mapping function and whether the source
+ *   controller is a general controller (#FLUID_MOD_GC) or a MIDI CC controller
+ *   (#FLUID_MOD_CC), see #fluid_mod_flags.
+ */
+void
+fluid_mod_set_source1(fluid_mod_t *mod, int src, int flags)
+{
+    mod->src1 = src;
+    mod->flags1 = flags;
+}
+
+/**
+ * Set a modulator's secondary source controller and flags.
+ *
+ * @param mod The modulator instance
+ * @param src Modulator source (#fluid_mod_src or a MIDI controller number)
+ * @param flags Flags determining mapping function and whether the source
+ *   controller is a general controller (#FLUID_MOD_GC) or a MIDI CC controller
+ *   (#FLUID_MOD_CC), see #fluid_mod_flags.
+ */
+void
+fluid_mod_set_source2(fluid_mod_t *mod, int src, int flags)
+{
+    mod->src2 = src;
+    mod->flags2 = flags;
+}
+
+/**
+ * Set the destination effect of a modulator.
+ *
+ * @param mod The modulator instance
+ * @param dest Destination generator (#fluid_gen_type)
+ */
+void
+fluid_mod_set_dest(fluid_mod_t *mod, int dest)
+{
+    mod->dest = dest;
+}
+
+/**
+ * Set the scale amount of a modulator.
+ *
+ * @param mod The modulator instance
+ * @param amount Scale amount to assign
+ */
+void
+fluid_mod_set_amount(fluid_mod_t *mod, double amount)
+{
+    mod->amount = (double) amount;
+}
+
+/**
+ * Get the primary source value from a modulator.
+ *
+ * @param mod The modulator instance
+ * @return The primary source value (#fluid_mod_src or a MIDI CC controller value).
+ */
+int
+fluid_mod_get_source1(const fluid_mod_t *mod)
+{
+    return mod->src1;
+}
+
+/**
+ * Get primary source flags from a modulator.
+ *
+ * @param mod The modulator instance
+ * @return The primary source flags (#fluid_mod_flags).
+ */
+int
+fluid_mod_get_flags1(const fluid_mod_t *mod)
+{
+    return mod->flags1;
+}
+
+/**
+ * Get the secondary source value from a modulator.
+ *
+ * @param mod The modulator instance
+ * @return The secondary source value (#fluid_mod_src or a MIDI CC controller value).
+ */
+int
+fluid_mod_get_source2(const fluid_mod_t *mod)
+{
+    return mod->src2;
+}
+
+/**
+ * Get secondary source flags from a modulator.
+ *
+ * @param mod The modulator instance
+ * @return The secondary source flags (#fluid_mod_flags).
+ */
+int
+fluid_mod_get_flags2(const fluid_mod_t *mod)
+{
+    return mod->flags2;
+}
+
+/**
+ * Get destination effect from a modulator.
+ *
+ * @param mod The modulator instance
+ * @return Destination generator (#fluid_gen_type)
+ */
+int
+fluid_mod_get_dest(const fluid_mod_t *mod)
+{
+    return mod->dest;
+}
+
+/**
+ * Get the scale amount from a modulator.
+ *
+ * @param mod The modulator instance
+ * @return Scale amount
+ */
+double
+fluid_mod_get_amount(const fluid_mod_t *mod)
+{
+    return (double) mod->amount;
+}
+
+/*
+ * retrieves the initial value from the given source of the modulator
+ */
+static fluid_real_t
+fluid_mod_get_source_value(const unsigned char mod_src,
+                           const unsigned char mod_flags,
+                           fluid_real_t *range,
+                           const fluid_voice_t *voice
+                          )
+{
+    const fluid_channel_t *chan = voice->channel;
+    fluid_real_t val;
+
+    if(mod_flags & FLUID_MOD_CC)
+    {
+        val = fluid_channel_get_cc(chan, mod_src);
+
+        if(mod_src == PORTAMENTO_CTRL)
+        {
+            // an invalid portamento fromkey should be treated as 0 when it's actually used for moulating
+            if(!fluid_channel_is_valid_note(val))
+            {
+                val = 0;
+            }
+        }
+    }
+    else
+    {
+        switch(mod_src)
+        {
+        case FLUID_MOD_NONE:         /* SF 2.01 8.2.1 item 0: src enum=0 => value is 1 */
+            val = *range;
+            break;
+
+        case FLUID_MOD_VELOCITY:
+            val = fluid_voice_get_actual_velocity(voice);
+            break;
+
+        case FLUID_MOD_KEY:
+            val = fluid_voice_get_actual_key(voice);
+            break;
+
+        case FLUID_MOD_KEYPRESSURE:
+            val = fluid_channel_get_key_pressure(chan, voice->key);
+            break;
+
+        case FLUID_MOD_CHANNELPRESSURE:
+            val = fluid_channel_get_channel_pressure(chan);
+            break;
+
+        case FLUID_MOD_PITCHWHEEL:
+            val = fluid_channel_get_pitch_bend(chan);
+            *range = 0x4000;
+            break;
+
+        case FLUID_MOD_PITCHWHEELSENS:
+            val = fluid_channel_get_pitch_wheel_sensitivity(chan);
+            break;
+
+        default:
+            FLUID_LOG(FLUID_ERR, "Unknown modulator source '%d', disabling modulator.", mod_src);
+            val = 0.0;
+        }
+    }
+
+    return val;
+}
+
+/**
+ * transforms the initial value retrieved by \c fluid_mod_get_source_value into [0.0;1.0]
+ */
+static fluid_real_t
+fluid_mod_transform_source_value(fluid_real_t val, unsigned char mod_flags, const fluid_real_t range)
+{
+    /* normalized value, i.e. usually in the range [0;1] */
+    const fluid_real_t val_norm = val / range;
+
+    /* we could also only switch case the lower nibble of mod_flags, however
+     * this would keep us from adding further mod types in the future
+     *
+     * instead just remove the flag(s) we already took care of
+     */
+    mod_flags &= ~FLUID_MOD_CC;
+
+    switch(mod_flags/* & 0x0f*/)
+    {
+    case FLUID_MOD_LINEAR | FLUID_MOD_UNIPOLAR | FLUID_MOD_POSITIVE: /* =0 */
+        val = val_norm;
+        break;
+
+    case FLUID_MOD_LINEAR | FLUID_MOD_UNIPOLAR | FLUID_MOD_NEGATIVE: /* =1 */
+        val = 1.0f - val_norm;
+        break;
+
+    case FLUID_MOD_LINEAR | FLUID_MOD_BIPOLAR | FLUID_MOD_POSITIVE: /* =2 */
+        val = -1.0f + 2.0f * val_norm;
+        break;
+
+    case FLUID_MOD_LINEAR | FLUID_MOD_BIPOLAR | FLUID_MOD_NEGATIVE: /* =3 */
+        val = 1.0f - 2.0f * val_norm;
+        break;
+
+    case FLUID_MOD_CONCAVE | FLUID_MOD_UNIPOLAR | FLUID_MOD_POSITIVE: /* =4 */
+        val = fluid_concave(127 * (val_norm));
+        break;
+
+    case FLUID_MOD_CONCAVE | FLUID_MOD_UNIPOLAR | FLUID_MOD_NEGATIVE: /* =5 */
+        val = fluid_concave(127 * (1.0f - val_norm));
+        break;
+
+    case FLUID_MOD_CONCAVE | FLUID_MOD_BIPOLAR | FLUID_MOD_POSITIVE: /* =6 */
+        val = (val_norm > 0.5f) ?  fluid_concave(127 * 2 * (val_norm - 0.5f))
+              : -fluid_concave(127 * 2 * (0.5f - val_norm));
+        break;
+
+    case FLUID_MOD_CONCAVE | FLUID_MOD_BIPOLAR | FLUID_MOD_NEGATIVE: /* =7 */
+        val = (val_norm > 0.5f) ? -fluid_concave(127 * 2 * (val_norm - 0.5f))
+              :  fluid_concave(127 * 2 * (0.5f - val_norm));
+        break;
+
+    case FLUID_MOD_CONVEX | FLUID_MOD_UNIPOLAR | FLUID_MOD_POSITIVE: /* =8 */
+        val = fluid_convex(127 * (val_norm));
+        break;
+
+    case FLUID_MOD_CONVEX | FLUID_MOD_UNIPOLAR | FLUID_MOD_NEGATIVE: /* =9 */
+        val = fluid_convex(127 * (1.0f - val_norm));
+        break;
+
+    case FLUID_MOD_CONVEX | FLUID_MOD_BIPOLAR | FLUID_MOD_POSITIVE: /* =10 */
+        val = (val_norm > 0.5f) ?  fluid_convex(127 * 2 * (val_norm - 0.5f))
+              : -fluid_convex(127 * 2 * (0.5f - val_norm));
+        break;
+
+    case FLUID_MOD_CONVEX | FLUID_MOD_BIPOLAR | FLUID_MOD_NEGATIVE: /* =11 */
+        val = (val_norm > 0.5f) ? -fluid_convex(127 * 2 * (val_norm - 0.5f))
+              :  fluid_convex(127 * 2 * (0.5f - val_norm));
+        break;
+
+    case FLUID_MOD_SWITCH | FLUID_MOD_UNIPOLAR | FLUID_MOD_POSITIVE: /* =12 */
+        val = (val_norm >= 0.5f) ? 1.0f : 0.0f;
+        break;
+
+    case FLUID_MOD_SWITCH | FLUID_MOD_UNIPOLAR | FLUID_MOD_NEGATIVE: /* =13 */
+        val = (val_norm >= 0.5f) ? 0.0f : 1.0f;
+        break;
+
+    case FLUID_MOD_SWITCH | FLUID_MOD_BIPOLAR | FLUID_MOD_POSITIVE: /* =14 */
+        val = (val_norm >= 0.5f) ? 1.0f : -1.0f;
+        break;
+
+    case FLUID_MOD_SWITCH | FLUID_MOD_BIPOLAR | FLUID_MOD_NEGATIVE: /* =15 */
+        val = (val_norm >= 0.5f) ? -1.0f : 1.0f;
+        break;
+
+    /*
+     * MIDI CCs only have a resolution of 7 bits. The closer val_norm gets to 1,
+     * the less will be the resulting change of the sinus. When using this sin()
+     * for scaling the cutoff frequency, there will be no audible difference between
+     * MIDI CCs 118 to 127. To avoid this waste of CCs multiply with 0.87
+     * (at least for unipolar) which makes sin() never get to 1.0 but to 0.98 which
+     * is close enough.
+     */
+    case FLUID_MOD_SIN | FLUID_MOD_UNIPOLAR | FLUID_MOD_POSITIVE: /* custom sin(x) */
+        val = FLUID_SIN((FLUID_M_PI / 2.0f * 0.87f) * val_norm);
+        break;
+
+    case FLUID_MOD_SIN | FLUID_MOD_UNIPOLAR | FLUID_MOD_NEGATIVE: /* custom */
+        val = FLUID_SIN((FLUID_M_PI / 2.0f * 0.87f) * (1.0f - val_norm));
+        break;
+
+    case FLUID_MOD_SIN | FLUID_MOD_BIPOLAR | FLUID_MOD_POSITIVE: /* custom */
+        val = (val_norm > 0.5f) ?  FLUID_SIN(FLUID_M_PI * (val_norm - 0.5f))
+              : -FLUID_SIN(FLUID_M_PI * (0.5f - val_norm));
+        break;
+
+    case FLUID_MOD_SIN | FLUID_MOD_BIPOLAR | FLUID_MOD_NEGATIVE: /* custom */
+        val = (val_norm > 0.5f) ? -FLUID_SIN(FLUID_M_PI * (val_norm - 0.5f))
+              :  FLUID_SIN(FLUID_M_PI * (0.5f - val_norm));
+        break;
+
+    default:
+        FLUID_LOG(FLUID_ERR, "Unknown modulator type '%d', disabling modulator.", mod_flags);
+        val = 0.0f;
+        break;
+    }
+
+    return val;
+}
+
+/*
+ * fluid_mod_get_value.
+ * Computes and return modulator output following SF2.01
+ * (See SoundFont Modulator Controller Model Chapter 9.5).
+ *
+ * Output = Transform(Amount * Map(primary source input) * Map(secondary source input))
+ *
+ * Notes:
+ * 1)fluid_mod_get_value, ignores the Transform operator. The result is:
+ *
+ *   Output = Amount * Map(primary source input) * Map(secondary source input)
+ *
+ * 2)When primary source input (src1) is set to General Controller 'No Controller',
+ *   output is forced to 0.
+ *
+ * 3)When secondary source input (src2) is set to General Controller 'No Controller',
+ *   output is forced to +1.0 
+ */
+fluid_real_t
+fluid_mod_get_value(fluid_mod_t *mod, fluid_voice_t *voice)
+{
+    extern fluid_mod_t default_vel2filter_mod;
+
+    fluid_real_t v1 = 0.0, v2 = 1.0;
+    /* The wording of the default modulators refers to a range of 127/128.
+     * And the table in section 9.5.3 suggests, that this mapping should be applied
+     * to all unipolar and bipolar mappings respectively.
+     *
+     * Thinking about this further, this is actually pretty clever, as this is properly
+     * addresses MIDI Recommended Practice (RP-036) Default Pan Formula
+     * "Since MIDI controller values range from 0 to 127, the exact center
+     * of the range, 63.5, cannot be represented."
+     *
+     * When changing the overall range to 127/128 however, the "middle pan" value of 64
+     * can be correctly represented.
+     */
+    fluid_real_t range1 = 128.0, range2 = 128.0;
+
+    /* 'special treatment' for default controller
+     *
+     *  Reference: SF2.01 section 8.4.2
+     *
+     * The GM default controller 'vel-to-filter cut off' is not clearly
+     * defined: If implemented according to the specs, the filter
+     * frequency jumps between vel=63 and vel=64.  To maintain
+     * compatibility with existing sound fonts, the implementation is
+     * 'hardcoded', it is impossible to implement using only one
+     * modulator otherwise.
+     *
+     * I assume here, that the 'intention' of the paragraph is one
+     * octave (1200 cents) filter frequency shift between vel=127 and
+     * vel=64.  'amount' is (-2400), at least as long as the controller
+     * is set to default.
+     *
+     * Further, the 'appearance' of the modulator (source enumerator,
+     * destination enumerator, flags etc) is different from that
+     * described in section 8.4.2, but it matches the definition used in
+     * several SF2.1 sound fonts (where it is used only to turn it off).
+     * */
+    if(fluid_mod_test_identity(mod, &default_vel2filter_mod))
+    {
+// S. Christian Collins' mod, to stop forcing velocity based filtering
+        /*
+            if (voice->vel < 64){
+              return (fluid_real_t) mod->amount / 2.0;
+            } else {
+              return (fluid_real_t) mod->amount * (127 - voice->vel) / 127;
+            }
+        */
+        return 0; // (fluid_real_t) mod->amount / 2.0;
+    }
+
+// end S. Christian Collins' mod
+
+    /* get the initial value of the first source */
+    if(mod->src1 > 0)
+    {
+        v1 = fluid_mod_get_source_value(mod->src1, mod->flags1, &range1, voice);
+
+        /* transform the input value */
+        v1 = fluid_mod_transform_source_value(v1, mod->flags1, range1);
+    }
+    /* When primary source input (src1) is set to General Controller 'No Controller',
+       output is forced to 0.0
+    */
+    else
+    {
+        return 0.0;
+    }
+
+    /* no need to go further */
+    if(v1 == 0.0f)
+    {
+        return 0.0f;
+    }
+
+    /* get the second input source */
+    if(mod->src2 > 0)
+    {
+        v2 = fluid_mod_get_source_value(mod->src2, mod->flags2, &range2, voice);
+
+        /* transform the second input value */
+        v2 = fluid_mod_transform_source_value(v2, mod->flags2, range2);
+    }
+    /* When secondary source input (src2) is set to General Controller 'No Controller',
+       output is forced to +1.0
+    */
+    else
+    {
+        v2 = 1.0f;
+    }
+
+    /* it's as simple as that: */
+    return (fluid_real_t) mod->amount * v1 * v2;
+}
+
+/**
+ * Create a new uninitialized modulator structure.
+ *
+ * @return New allocated modulator or NULL if out of memory
+ */
+fluid_mod_t *
+new_fluid_mod()
+{
+    fluid_mod_t *mod = FLUID_NEW(fluid_mod_t);
+
+    if(mod == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return NULL;
+    }
+
+    return mod;
+}
+
+/**
+ * Free a modulator structure.
+ *
+ * @param mod Modulator to free
+ */
+void
+delete_fluid_mod(fluid_mod_t *mod)
+{
+    FLUID_FREE(mod);
+}
+
+/**
+ * Returns the size of the fluid_mod_t structure.
+ *
+ * @return Size of fluid_mod_t in bytes
+ *
+ * Useful in low latency scenarios e.g. to allocate a modulator on the stack.
+ */
+size_t fluid_mod_sizeof()
+{
+    return sizeof(fluid_mod_t);
+}
+
+/**
+ * Checks if modulator with source 1 other than CC is FLUID_MOD_NONE.
+ *
+ * @param mod, modulator.
+ * @return TRUE if modulator source 1 other than cc is FLUID_MOD_NONE, FALSE otherwise.
+ */
+static int
+fluid_mod_is_src1_none(const fluid_mod_t *mod)
+{
+    return(((mod->flags1 & FLUID_MOD_CC) == 0) && (mod->src1 == FLUID_MOD_NONE));
+}
+
+/**
+ * Checks if modulators source other than CC source is invalid.
+ *
+ * @param mod, modulator.
+ * @param src1_select, source input selection to check.
+ *   1 to check src1 source.
+ *   0 to check src2 source.
+ * @return FALSE if selected modulator source other than cc is invalid, TRUE otherwise.
+ *
+ * (specs SF 2.01  7.4, 7.8, 8.2.1)
+ */
+static int
+fluid_mod_check_non_cc_source(const fluid_mod_t *mod, unsigned char src1_select)
+{
+    unsigned char flags, src;
+
+    if(src1_select)
+    {
+        flags = mod->flags1;
+        src = mod->src1;
+    }
+    else
+    {
+        flags = mod->flags2;
+        src = mod->src2;
+    }
+
+    return(((flags & FLUID_MOD_CC) != 0)  /* src is a CC */
+           /* SF2.01 section 8.2.1: Constant value */
+           || ((src == FLUID_MOD_NONE)
+               || (src == FLUID_MOD_VELOCITY)        /* Note-on velocity */
+               || (src == FLUID_MOD_KEY)             /* Note-on key number */
+               || (src == FLUID_MOD_KEYPRESSURE)     /* Poly pressure */
+               || (src == FLUID_MOD_CHANNELPRESSURE) /* Channel pressure */
+               || (src == FLUID_MOD_PITCHWHEEL)      /* Pitch wheel */
+               || (src == FLUID_MOD_PITCHWHEELSENS)  /* Pitch wheel sensitivity */
+              ));
+}
+
+/**
+ * Checks if modulator CC source is invalid (specs SF 2.01  7.4, 7.8, 8.2.1).
+ *
+ * @param mod, modulator.
+ * @src1_select, source input selection:
+ *   1 to check src1 source or
+ *   0 to check src2 source.
+ * @return FALSE if selected modulator's source CC is invalid, TRUE otherwise.
+ */
+static int
+fluid_mod_check_cc_source(const fluid_mod_t *mod, unsigned char src1_select)
+{
+    unsigned char flags, src;
+
+    if(src1_select)
+    {
+        flags = mod->flags1;
+        src = mod->src1;
+    }
+    else
+    {
+        flags = mod->flags2;
+        src = mod->src2;
+    }
+
+    return(((flags & FLUID_MOD_CC) == 0)  /* src is non CC */
+           || ((src != BANK_SELECT_MSB)
+               && (src != BANK_SELECT_LSB)
+               && (src != DATA_ENTRY_MSB)
+               && (src != DATA_ENTRY_LSB)
+               /* is src not NRPN_LSB, NRPN_MSB, RPN_LSB, RPN_MSB */
+               && ((src < NRPN_LSB) || (RPN_MSB < src))
+               /* is src not ALL_SOUND_OFF, ALL_CTRL_OFF, LOCAL_CONTROL, ALL_NOTES_OFF ? */
+               /* is src not OMNI_OFF, OMNI_ON, POLY_OFF, POLY_ON ? */
+               && (src < ALL_SOUND_OFF)
+               /* CC lsb shouldn't allowed to modulate (spec SF 2.01 - 8.2.1)
+                  However, as long fluidsynth will use only CC 7 bits resolution,
+                  it is safe to ignore these SF recommendations on CC receive.
+                  See explanations in fluid_synth_cc_LOCAL() */
+               /* uncomment next line to forbid CC lsb  */
+               /* && ((src < 32) || (63 < src)) */
+              ));
+}
+
+/**
+ * Checks valid modulator sources (specs SF 2.01  7.4, 7.8, 8.2.1)
+ *
+ * @param mod, modulator.
+ * @param name,if not NULL, pointer on a string displayed as a warning.
+ * @return TRUE if modulator sources src1, src2 are valid, FALSE otherwise.
+ */
+int fluid_mod_check_sources(const fluid_mod_t *mod, char *name)
+{
+    static const char invalid_non_cc_src[] =
+        "Invalid modulator, using non-CC source %s.src%d=%d";
+    static const char invalid_cc_src[] =
+        "Invalid modulator, using CC source %s.src%d=%d";
+    static const char src1_is_none[] =
+        "Modulator with source 1 none %s.src1=%d";
+
+    /* checks valid non cc sources */
+    if(!fluid_mod_check_non_cc_source(mod, 1)) /* check src1 */
+    {
+        if(name)
+        {
+            FLUID_LOG(FLUID_WARN, invalid_non_cc_src, name, 1, mod->src1);
+        }
+
+        return FALSE;
+    }
+
+    /*
+      When src1 is non CC source FLUID_MOD_NONE, the modulator is valid but
+      the output of this modulator will be forced to 0 at synthesis time.
+      Also this modulator cannot be used to overwrite a default modulator (as
+      there is no default modulator with src1 source equal to FLUID_MOD_NONE).
+      Consequently it is useful to return FALSE to indicate this modulator
+      being useless. It will be removed later with others invalid modulators.
+    */
+    if(fluid_mod_is_src1_none(mod))
+    {
+        if(name)
+        {
+            FLUID_LOG(FLUID_WARN, src1_is_none, name, mod->src1);
+        }
+
+        return FALSE;
+    }
+
+    if(!fluid_mod_check_non_cc_source(mod, 0)) /* check src2 */
+    {
+        if(name)
+        {
+            FLUID_LOG(FLUID_WARN, invalid_non_cc_src, name, 2, mod->src2);
+        }
+
+        return FALSE;
+    }
+
+    /* checks valid cc sources */
+    if(!fluid_mod_check_cc_source(mod, 1)) /* check src1 */
+    {
+        if(name)
+        {
+            FLUID_LOG(FLUID_WARN, invalid_cc_src, name, 1, mod->src1);
+        }
+
+        return FALSE;
+    }
+
+    if(!fluid_mod_check_cc_source(mod, 0)) /* check src2 */
+    {
+        if(name)
+        {
+            FLUID_LOG(FLUID_WARN, invalid_cc_src, name, 2, mod->src2);
+        }
+
+        return FALSE;
+    }
+
+    return TRUE;
+}
+
+/**
+ * Checks if two modulators are identical in sources, flags and destination.
+ *
+ * @param mod1 First modulator
+ * @param mod2 Second modulator
+ * @return TRUE if identical, FALSE otherwise
+ *
+ * SF2.01 section 9.5.1 page 69, 'bullet' 3 defines 'identical'.
+ */
+int
+fluid_mod_test_identity(const fluid_mod_t *mod1, const fluid_mod_t *mod2)
+{
+    return mod1->dest == mod2->dest
+           && mod1->src1 == mod2->src1
+           && mod1->src2 == mod2->src2
+           && mod1->flags1 == mod2->flags1
+           && mod1->flags2 == mod2->flags2;
+}
+
+/**
+ * Check if the modulator has the given source.
+ *
+ * @param mod The modulator instance
+ * @param cc Boolean value indicating if ctrl is a CC controller or not
+ * @param ctrl The source to check for (if \c cc == FALSE : a value of type #fluid_mod_src, else the value of the MIDI CC to check for)
+ *
+ * @return TRUE if the modulator has the given source, FALSE otherwise.
+ */
+int fluid_mod_has_source(const fluid_mod_t *mod, int cc, int ctrl)
+{
+    return
+        (
+            (
+                ((mod->src1 == ctrl) && ((mod->flags1 & FLUID_MOD_CC) != 0) && (cc != 0))
+                || ((mod->src1 == ctrl) && ((mod->flags1 & FLUID_MOD_CC) == 0) && (cc == 0))
+            )
+            ||
+            (
+                ((mod->src2 == ctrl) && ((mod->flags2 & FLUID_MOD_CC) != 0) && (cc != 0))
+                || ((mod->src2 == ctrl) && ((mod->flags2 & FLUID_MOD_CC) == 0) && (cc == 0))
+            )
+        );
+}
+
+/**
+ * Check if the modulator has the given destination.
+ *
+ * @param mod The modulator instance
+ * @param gen The destination generator of type #fluid_gen_type to check for
+ * @return TRUE if the modulator has the given destination, FALSE otherwise.
+ */
+int fluid_mod_has_dest(const fluid_mod_t *mod, int gen)
+{
+    return mod->dest == gen;
+}
+
+
+/* debug function: Prints the contents of a modulator */
+#ifdef DEBUG
+void fluid_dump_modulator(fluid_mod_t *mod)
+{
+    int src1 = mod->src1;
+    int dest = mod->dest;
+    int src2 = mod->src2;
+    int flags1 = mod->flags1;
+    int flags2 = mod->flags2;
+    fluid_real_t amount = (fluid_real_t)mod->amount;
+
+    printf("Src: ");
+
+    if(flags1 & FLUID_MOD_CC)
+    {
+        printf("MIDI CC=%i", src1);
+    }
+    else
+    {
+        switch(src1)
+        {
+        case FLUID_MOD_NONE:
+            printf("None");
+            break;
+
+        case FLUID_MOD_VELOCITY:
+            printf("note-on velocity");
+            break;
+
+        case FLUID_MOD_KEY:
+            printf("Key nr");
+            break;
+
+        case FLUID_MOD_KEYPRESSURE:
+            printf("Poly pressure");
+            break;
+
+        case FLUID_MOD_CHANNELPRESSURE:
+            printf("Chan pressure");
+            break;
+
+        case FLUID_MOD_PITCHWHEEL:
+            printf("Pitch Wheel");
+            break;
+
+        case FLUID_MOD_PITCHWHEELSENS:
+            printf("Pitch Wheel sens");
+            break;
+
+        default:
+            printf("(unknown: %i)", src1);
+        }; /* switch src1 */
+    }; /* if not CC */
+
+    if(flags1 & FLUID_MOD_NEGATIVE)
+    {
+        printf("- ");
+    }
+    else
+    {
+        printf("+ ");
+    };
+
+    if(flags1 & FLUID_MOD_BIPOLAR)
+    {
+        printf("bip ");
+    }
+    else
+    {
+        printf("unip ");
+    };
+
+    printf("-> ");
+
+    switch(dest)
+    {
+    case GEN_FILTERQ:
+        printf("Q");
+        break;
+
+    case GEN_FILTERFC:
+        printf("fc");
+        break;
+
+    case GEN_CUSTOM_FILTERQ:
+        printf("custom-Q");
+        break;
+
+    case GEN_CUSTOM_FILTERFC:
+        printf("custom-fc");
+        break;
+
+    case GEN_VIBLFOTOPITCH:
+        printf("VibLFO-to-pitch");
+        break;
+
+    case GEN_MODENVTOPITCH:
+        printf("ModEnv-to-pitch");
+        break;
+
+    case GEN_MODLFOTOPITCH:
+        printf("ModLFO-to-pitch");
+        break;
+
+    case GEN_CHORUSSEND:
+        printf("Chorus send");
+        break;
+
+    case GEN_REVERBSEND:
+        printf("Reverb send");
+        break;
+
+    case GEN_PAN:
+        printf("pan");
+        break;
+
+    case GEN_CUSTOM_BALANCE:
+        printf("balance");
+        break;
+
+    case GEN_ATTENUATION:
+        printf("att");
+        break;
+
+    default:
+        printf("dest %i", dest);
+    }; /* switch dest */
+
+    printf(", amount %f flags %i src2 %i flags2 %i\n", amount, flags1, src2, flags2);
+};
+#endif
+
diff --git a/libs/fluidsynth/src/synth/fluid_mod.h b/libs/fluidsynth/src/synth/fluid_mod.h
new file mode 100644
index 00000000000..3e7661741f9
--- /dev/null
+++ b/libs/fluidsynth/src/synth/fluid_mod.h
@@ -0,0 +1,54 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#ifndef _FLUID_MOD_H
+#define _FLUID_MOD_H
+
+#include "fluidsynth_priv.h"
+#include "fluid_conv.h"
+
+/*
+ * Modulator structure.  See SoundFont 2.04 PDF section 8.2.
+ */
+struct _fluid_mod_t
+{
+    unsigned char dest;           /**< Destination generator to control */
+    unsigned char src1;           /**< Source controller 1 */
+    unsigned char flags1;         /**< Source controller 1 flags */
+    unsigned char src2;           /**< Source controller 2 */
+    unsigned char flags2;         /**< Source controller 2 flags */
+    double amount;                /**< Multiplier amount */
+    /* The 'next' field allows to link modulators into a list.  It is
+     * not used in fluid_voice.c, there each voice allocates memory for a
+     * fixed number of modulators.  Since there may be a huge number of
+     * different zones, this is more efficient.
+     */
+    fluid_mod_t *next;
+};
+
+fluid_real_t fluid_mod_get_value(fluid_mod_t *mod, fluid_voice_t *voice);
+int fluid_mod_check_sources(const fluid_mod_t *mod, char *name);
+
+#ifdef DEBUG
+void fluid_dump_modulator(fluid_mod_t *mod);
+#endif
+
+
+#endif /* _FLUID_MOD_H */
diff --git a/libs/fluidsynth/src/synth/fluid_synth.c b/libs/fluidsynth/src/synth/fluid_synth.c
new file mode 100644
index 00000000000..07cca126e39
--- /dev/null
+++ b/libs/fluidsynth/src/synth/fluid_synth.c
@@ -0,0 +1,8445 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#include "fluid_synth.h"
+#include "fluid_sys.h"
+#include "fluid_chan.h"
+#include "fluid_tuning.h"
+#include "fluid_settings.h"
+#include "fluid_sfont.h"
+#include "fluid_defsfont.h"
+#include "fluid_instpatch.h"
+
+#ifdef TRAP_ON_FPE
+#define _GNU_SOURCE
+#include <fenv.h>
+
+/* seems to not be declared in fenv.h */
+extern int feenableexcept(int excepts);
+#endif
+
+#define FLUID_API_RETURN(return_value) \
+  do { fluid_synth_api_exit(synth); \
+  return return_value; } while (0)
+
+#define FLUID_API_RETURN_IF_CHAN_DISABLED(return_value) \
+  do { if (FLUID_LIKELY(synth->channel[chan]->mode & FLUID_CHANNEL_ENABLED)) \
+       {} \
+       else \
+       { FLUID_API_RETURN(return_value); } \
+  } while (0)
+
+#define FLUID_API_ENTRY_CHAN(fail_value)  \
+  fluid_return_val_if_fail (synth != NULL, fail_value); \
+  fluid_return_val_if_fail (chan >= 0, fail_value); \
+  fluid_synth_api_enter(synth); \
+  if (chan >= synth->midi_channels) { \
+    FLUID_API_RETURN(fail_value); \
+  } \
+
+static void fluid_synth_init(void);
+static void fluid_synth_api_enter(fluid_synth_t *synth);
+static void fluid_synth_api_exit(fluid_synth_t *synth);
+
+static int fluid_synth_noteon_LOCAL(fluid_synth_t *synth, int chan, int key,
+                                    int vel);
+static int fluid_synth_noteoff_LOCAL(fluid_synth_t *synth, int chan, int key);
+static int fluid_synth_cc_LOCAL(fluid_synth_t *synth, int channum, int num);
+static int fluid_synth_sysex_midi_tuning(fluid_synth_t *synth, const char *data,
+        int len, char *response,
+        int *response_len, int avail_response,
+        int *handled, int dryrun);
+static int fluid_synth_sysex_gs_dt1(fluid_synth_t *synth, const char *data,
+        int len, char *response,
+        int *response_len, int avail_response,
+        int *handled, int dryrun);
+static int fluid_synth_sysex_xg(fluid_synth_t *synth, const char *data,
+        int len, char *response,
+        int *response_len, int avail_response,
+        int *handled, int dryrun);
+int fluid_synth_all_notes_off_LOCAL(fluid_synth_t *synth, int chan);
+static int fluid_synth_all_sounds_off_LOCAL(fluid_synth_t *synth, int chan);
+static int fluid_synth_system_reset_LOCAL(fluid_synth_t *synth);
+static int fluid_synth_modulate_voices_LOCAL(fluid_synth_t *synth, int chan,
+        int is_cc, int ctrl);
+static int fluid_synth_modulate_voices_all_LOCAL(fluid_synth_t *synth, int chan);
+static int fluid_synth_update_channel_pressure_LOCAL(fluid_synth_t *synth, int channum);
+static int fluid_synth_update_key_pressure_LOCAL(fluid_synth_t *synth, int chan, int key);
+static int fluid_synth_update_pitch_bend_LOCAL(fluid_synth_t *synth, int chan);
+static int fluid_synth_update_pitch_wheel_sens_LOCAL(fluid_synth_t *synth, int chan);
+static int fluid_synth_set_preset(fluid_synth_t *synth, int chan,
+                                  fluid_preset_t *preset);
+static int fluid_synth_reverb_get_param(fluid_synth_t *synth, int fx_group,
+                                        int param, double *value);
+static int fluid_synth_chorus_get_param(fluid_synth_t *synth, int fx_group,
+                                        int param, double *value);
+
+static fluid_preset_t *
+fluid_synth_get_preset(fluid_synth_t *synth, int sfontnum,
+                       int banknum, int prognum);
+static fluid_preset_t *
+fluid_synth_get_preset_by_sfont_name(fluid_synth_t *synth, const char *sfontname,
+                                     int banknum, int prognum);
+
+static void fluid_synth_update_presets(fluid_synth_t *synth);
+static void fluid_synth_update_gain_LOCAL(fluid_synth_t *synth);
+static int fluid_synth_update_polyphony_LOCAL(fluid_synth_t *synth, int new_polyphony);
+static void init_dither(void);
+static FLUID_INLINE int16_t round_clip_to_i16(float x);
+static int fluid_synth_render_blocks(fluid_synth_t *synth, int blockcount);
+
+static fluid_voice_t *fluid_synth_free_voice_by_kill_LOCAL(fluid_synth_t *synth);
+static void fluid_synth_kill_by_exclusive_class_LOCAL(fluid_synth_t *synth,
+        fluid_voice_t *new_voice);
+static int fluid_synth_sfunload_callback(void *data, unsigned int msec);
+static fluid_tuning_t *fluid_synth_get_tuning(fluid_synth_t *synth,
+        int bank, int prog);
+static int fluid_synth_replace_tuning_LOCK(fluid_synth_t *synth,
+        fluid_tuning_t *tuning,
+        int bank, int prog, int apply);
+static void fluid_synth_replace_tuning_LOCAL(fluid_synth_t *synth,
+        fluid_tuning_t *old_tuning,
+        fluid_tuning_t *new_tuning,
+        int apply, int unref_new);
+static void fluid_synth_update_voice_tuning_LOCAL(fluid_synth_t *synth,
+        fluid_channel_t *channel);
+static int fluid_synth_set_tuning_LOCAL(fluid_synth_t *synth, int chan,
+                                        fluid_tuning_t *tuning, int apply);
+static void fluid_synth_set_gen_LOCAL(fluid_synth_t *synth, int chan,
+                                      int param, float value);
+static void fluid_synth_stop_LOCAL(fluid_synth_t *synth, unsigned int id);
+
+
+static int fluid_synth_set_important_channels(fluid_synth_t *synth, const char *channels);
+
+
+/* Callback handlers for real-time settings */
+static void fluid_synth_handle_gain(void *data, const char *name, double value);
+static void fluid_synth_handle_polyphony(void *data, const char *name, int value);
+static void fluid_synth_handle_device_id(void *data, const char *name, int value);
+static void fluid_synth_handle_overflow(void *data, const char *name, double value);
+static void fluid_synth_handle_important_channels(void *data, const char *name,
+        const char *value);
+static void fluid_synth_handle_reverb_chorus_num(void *data, const char *name, double value);
+static void fluid_synth_handle_reverb_chorus_int(void *data, const char *name, int value);
+
+
+static void fluid_synth_reset_basic_channel_LOCAL(fluid_synth_t *synth, int chan, int nbr_chan);
+static int fluid_synth_check_next_basic_channel(fluid_synth_t *synth, int basicchan, int mode, int val);
+static void fluid_synth_set_basic_channel_LOCAL(fluid_synth_t *synth, int basicchan, int mode, int val);
+
+/***************************************************************
+ *
+ *                         GLOBAL
+ */
+
+/* has the synth module been initialized? */
+/* fluid_atomic_int_t may be anything, so init with {0} to catch most cases */
+static fluid_atomic_int_t fluid_synth_initialized = {0};
+
+/* default modulators
+ * SF2.01 page 52 ff:
+ *
+ * There is a set of predefined default modulators. They have to be
+ * explicitly overridden by the sound font in order to turn them off.
+ */
+
+static fluid_mod_t default_vel2att_mod;        /* SF2.01 section 8.4.1  */
+/*not static */ fluid_mod_t default_vel2filter_mod;     /* SF2.01 section 8.4.2  */
+static fluid_mod_t default_at2viblfo_mod;      /* SF2.01 section 8.4.3  */
+static fluid_mod_t default_mod2viblfo_mod;     /* SF2.01 section 8.4.4  */
+static fluid_mod_t default_att_mod;            /* SF2.01 section 8.4.5  */
+static fluid_mod_t default_pan_mod;            /* SF2.01 section 8.4.6  */
+static fluid_mod_t default_expr_mod;           /* SF2.01 section 8.4.7  */
+static fluid_mod_t default_reverb_mod;         /* SF2.01 section 8.4.8  */
+static fluid_mod_t default_chorus_mod;         /* SF2.01 section 8.4.9  */
+static fluid_mod_t default_pitch_bend_mod;     /* SF2.01 section 8.4.10 */
+static fluid_mod_t custom_balance_mod;         /* Non-standard modulator */
+
+
+/* custom_breath2att_modulator is not a default modulator specified in SF
+it is intended to replace default_vel2att_mod on demand using
+API fluid_set_breath_mode() or command shell setbreathmode.
+*/
+static fluid_mod_t custom_breath2att_mod;
+
+/* reverb presets */
+static const fluid_revmodel_presets_t revmodel_preset[] =
+{
+    /* name */    /* roomsize */ /* damp */ /* width */ /* level */
+    { "Test 1",          0.2f,      0.0f,       0.5f,       0.9f },
+    { "Test 2",          0.4f,      0.2f,       0.5f,       0.8f },
+    { "Test 3",          0.6f,      0.4f,       0.5f,       0.7f },
+    { "Test 4",          0.8f,      0.7f,       0.5f,       0.6f },
+    { "Test 5",          0.8f,      1.0f,       0.5f,       0.5f },
+};
+
+
+/***************************************************************
+ *
+ *               INITIALIZATION & UTILITIES
+ */
+
+void fluid_synth_settings(fluid_settings_t *settings)
+{
+    fluid_settings_register_int(settings, "synth.verbose", 0, 0, 1, FLUID_HINT_TOGGLED);
+
+    fluid_settings_register_int(settings, "synth.reverb.active", 1, 0, 1, FLUID_HINT_TOGGLED);
+    fluid_settings_register_num(settings, "synth.reverb.room-size", FLUID_REVERB_DEFAULT_ROOMSIZE, 0.0f, 1.0f, 0);
+    fluid_settings_register_num(settings, "synth.reverb.damp", FLUID_REVERB_DEFAULT_DAMP, 0.0f, 1.0f, 0);
+    fluid_settings_register_num(settings, "synth.reverb.width", FLUID_REVERB_DEFAULT_WIDTH, 0.0f, 100.0f, 0);
+    fluid_settings_register_num(settings, "synth.reverb.level", FLUID_REVERB_DEFAULT_LEVEL, 0.0f, 1.0f, 0);
+
+    fluid_settings_register_int(settings, "synth.chorus.active", 1, 0, 1, FLUID_HINT_TOGGLED);
+    fluid_settings_register_int(settings, "synth.chorus.nr", FLUID_CHORUS_DEFAULT_N, 0, 99, 0);
+    fluid_settings_register_num(settings, "synth.chorus.level", FLUID_CHORUS_DEFAULT_LEVEL, 0.0f, 10.0f, 0);
+    fluid_settings_register_num(settings, "synth.chorus.speed", FLUID_CHORUS_DEFAULT_SPEED, 0.1f, 5.0f, 0);
+    fluid_settings_register_num(settings, "synth.chorus.depth", FLUID_CHORUS_DEFAULT_DEPTH, 0.0f, 256.0f, 0);
+
+    fluid_settings_register_int(settings, "synth.ladspa.active", 0, 0, 1, FLUID_HINT_TOGGLED);
+    fluid_settings_register_int(settings, "synth.lock-memory", 1, 0, 1, FLUID_HINT_TOGGLED);
+    fluid_settings_register_str(settings, "midi.portname", "", 0);
+
+#ifdef DEFAULT_SOUNDFONT
+    fluid_settings_register_str(settings, "synth.default-soundfont", DEFAULT_SOUNDFONT, 0);
+#endif
+
+    fluid_settings_register_int(settings, "synth.polyphony", 256, 1, 65535, 0);
+    fluid_settings_register_int(settings, "synth.midi-channels", 16, 16, 256, 0);
+    fluid_settings_register_num(settings, "synth.gain", 0.2f, 0.0f, 10.0f, 0);
+    fluid_settings_register_int(settings, "synth.audio-channels", 1, 1, 128, 0);
+    fluid_settings_register_int(settings, "synth.audio-groups", 1, 1, 128, 0);
+    fluid_settings_register_int(settings, "synth.effects-channels", 2, 2, 2, 0);
+    fluid_settings_register_int(settings, "synth.effects-groups", 1, 1, 128, 0);
+    fluid_settings_register_num(settings, "synth.sample-rate", 44100.0f, 8000.0f, 96000.0f, 0);
+    fluid_settings_register_int(settings, "synth.device-id", 0, 0, 127, 0);
+#ifdef ENABLE_MIXER_THREADS
+    fluid_settings_register_int(settings, "synth.cpu-cores", 1, 1, 256, 0);
+#else
+    fluid_settings_register_int(settings, "synth.cpu-cores", 1, 1, 1, 0);
+#endif
+
+    fluid_settings_register_int(settings, "synth.min-note-length", 10, 0, 65535, 0);
+
+    fluid_settings_register_int(settings, "synth.threadsafe-api", 1, 0, 1, FLUID_HINT_TOGGLED);
+
+    fluid_settings_register_num(settings, "synth.overflow.percussion", 4000, -10000, 10000, 0);
+    fluid_settings_register_num(settings, "synth.overflow.sustained", -1000, -10000, 10000, 0);
+    fluid_settings_register_num(settings, "synth.overflow.released", -2000, -10000, 10000, 0);
+    fluid_settings_register_num(settings, "synth.overflow.age", 1000, -10000, 10000, 0);
+    fluid_settings_register_num(settings, "synth.overflow.volume", 500, -10000, 10000, 0);
+    fluid_settings_register_num(settings, "synth.overflow.important", 5000, -50000, 50000, 0);
+    fluid_settings_register_str(settings, "synth.overflow.important-channels", "", 0);
+
+    fluid_settings_register_str(settings, "synth.midi-bank-select", "gs", 0);
+    fluid_settings_add_option(settings, "synth.midi-bank-select", "gm");
+    fluid_settings_add_option(settings, "synth.midi-bank-select", "gs");
+    fluid_settings_add_option(settings, "synth.midi-bank-select", "xg");
+    fluid_settings_add_option(settings, "synth.midi-bank-select", "mma");
+
+    fluid_settings_register_int(settings, "synth.dynamic-sample-loading", 0, 0, 1, FLUID_HINT_TOGGLED);
+}
+
+/**
+ * Get FluidSynth runtime version.
+ * @param major Location to store major number
+ * @param minor Location to store minor number
+ * @param micro Location to store micro number
+ */
+void fluid_version(int *major, int *minor, int *micro)
+{
+    *major = FLUIDSYNTH_VERSION_MAJOR;
+    *minor = FLUIDSYNTH_VERSION_MINOR;
+    *micro = FLUIDSYNTH_VERSION_MICRO;
+}
+
+/**
+ * Get FluidSynth runtime version as a string.
+ * @return FluidSynth version string, which is internal and should not be
+ *   modified or freed.
+ */
+char *
+fluid_version_str(void)
+{
+    return FLUIDSYNTH_VERSION;
+}
+
+/*
+ * void fluid_synth_init
+ *
+ * Does all the initialization for this module.
+ */
+static void
+fluid_synth_init(void)
+{
+#ifdef TRAP_ON_FPE
+  #if !defined(__GLIBC__) && defined(__linux__)
+    #warning "Trap on FPE is only supported when using glibc!"
+  #else
+    /* Turn on floating point exception traps */
+    feenableexcept(FE_DIVBYZERO | FE_OVERFLOW | FE_INVALID);
+  #endif
+#endif
+
+    init_dither();
+
+    /* custom_breath2att_mod is not a default modulator specified in SF2.01.
+     it is intended to replace default_vel2att_mod on demand using
+     API fluid_set_breath_mode() or command shell setbreathmode.
+     */
+    fluid_mod_set_source1(&custom_breath2att_mod, /* The modulator we are programming here */
+                          BREATH_MSB,    /* Source. breath MSB corresponds to 2. */
+                          FLUID_MOD_CC           /* MIDI continuous controller */
+                          | FLUID_MOD_CONCAVE    /* Curve shape. Corresponds to 'type=1' */
+                          | FLUID_MOD_UNIPOLAR   /* Polarity. Corresponds to 'P=0' */
+                          | FLUID_MOD_NEGATIVE   /* Direction. Corresponds to 'D=1' */
+                         );
+    fluid_mod_set_source2(&custom_breath2att_mod, 0, 0); /* No 2nd source */
+    fluid_mod_set_dest(&custom_breath2att_mod, GEN_ATTENUATION);  /* Target: Initial attenuation */
+    fluid_mod_set_amount(&custom_breath2att_mod, FLUID_PEAK_ATTENUATION); /* Modulation amount: 960 */
+
+    /* SF2.01 page 53 section 8.4.1: MIDI Note-On Velocity to Initial Attenuation */
+    fluid_mod_set_source1(&default_vel2att_mod, /* The modulator we are programming here */
+                          FLUID_MOD_VELOCITY,    /* Source. VELOCITY corresponds to 'index=2'. */
+                          FLUID_MOD_GC           /* Not a MIDI continuous controller */
+                          | FLUID_MOD_CONCAVE    /* Curve shape. Corresponds to 'type=1' */
+                          | FLUID_MOD_UNIPOLAR   /* Polarity. Corresponds to 'P=0' */
+                          | FLUID_MOD_NEGATIVE   /* Direction. Corresponds to 'D=1' */
+                         );
+    fluid_mod_set_source2(&default_vel2att_mod, 0, 0); /* No 2nd source */
+    fluid_mod_set_dest(&default_vel2att_mod, GEN_ATTENUATION);  /* Target: Initial attenuation */
+    fluid_mod_set_amount(&default_vel2att_mod, FLUID_PEAK_ATTENUATION); /* Modulation amount: 960 */
+
+
+
+    /* SF2.01 page 53 section 8.4.2: MIDI Note-On Velocity to Filter Cutoff
+     * Have to make a design decision here. The specs don't make any sense this way or another.
+     * One sound font, 'Kingston Piano', which has been praised for its quality, tries to
+     * override this modulator with an amount of 0 and positive polarity (instead of what
+     * the specs say, D=1) for the secondary source.
+     * So if we change the polarity to 'positive', one of the best free sound fonts works...
+     */
+    fluid_mod_set_source1(&default_vel2filter_mod, FLUID_MOD_VELOCITY, /* Index=2 */
+                          FLUID_MOD_GC                        /* CC=0 */
+                          | FLUID_MOD_LINEAR                  /* type=0 */
+                          | FLUID_MOD_UNIPOLAR                /* P=0 */
+                          | FLUID_MOD_NEGATIVE                /* D=1 */
+                         );
+    fluid_mod_set_source2(&default_vel2filter_mod, FLUID_MOD_VELOCITY, /* Index=2 */
+                          FLUID_MOD_GC                                 /* CC=0 */
+                          | FLUID_MOD_SWITCH                           /* type=3 */
+                          | FLUID_MOD_UNIPOLAR                         /* P=0 */
+                          // do not remove       | FLUID_MOD_NEGATIVE                         /* D=1 */
+                          | FLUID_MOD_POSITIVE                         /* D=0 */
+                         );
+    fluid_mod_set_dest(&default_vel2filter_mod, GEN_FILTERFC);        /* Target: Initial filter cutoff */
+    fluid_mod_set_amount(&default_vel2filter_mod, -2400);
+
+
+
+    /* SF2.01 page 53 section 8.4.3: MIDI Channel pressure to Vibrato LFO pitch depth */
+    fluid_mod_set_source1(&default_at2viblfo_mod, FLUID_MOD_CHANNELPRESSURE, /* Index=13 */
+                          FLUID_MOD_GC                        /* CC=0 */
+                          | FLUID_MOD_LINEAR                  /* type=0 */
+                          | FLUID_MOD_UNIPOLAR                /* P=0 */
+                          | FLUID_MOD_POSITIVE                /* D=0 */
+                         );
+    fluid_mod_set_source2(&default_at2viblfo_mod, 0, 0); /* no second source */
+    fluid_mod_set_dest(&default_at2viblfo_mod, GEN_VIBLFOTOPITCH);        /* Target: Vib. LFO => pitch */
+    fluid_mod_set_amount(&default_at2viblfo_mod, 50);
+
+
+
+    /* SF2.01 page 53 section 8.4.4: Mod wheel (Controller 1) to Vibrato LFO pitch depth */
+    fluid_mod_set_source1(&default_mod2viblfo_mod, MODULATION_MSB, /* Index=1 */
+                          FLUID_MOD_CC                        /* CC=1 */
+                          | FLUID_MOD_LINEAR                  /* type=0 */
+                          | FLUID_MOD_UNIPOLAR                /* P=0 */
+                          | FLUID_MOD_POSITIVE                /* D=0 */
+                         );
+    fluid_mod_set_source2(&default_mod2viblfo_mod, 0, 0); /* no second source */
+    fluid_mod_set_dest(&default_mod2viblfo_mod, GEN_VIBLFOTOPITCH);        /* Target: Vib. LFO => pitch */
+    fluid_mod_set_amount(&default_mod2viblfo_mod, 50);
+
+
+
+    /* SF2.01 page 55 section 8.4.5: MIDI continuous controller 7 to initial attenuation*/
+    fluid_mod_set_source1(&default_att_mod, VOLUME_MSB,    /* index=7 */
+                          FLUID_MOD_CC                              /* CC=1 */
+                          | FLUID_MOD_CONCAVE                       /* type=1 */
+                          | FLUID_MOD_UNIPOLAR                      /* P=0 */
+                          | FLUID_MOD_NEGATIVE                      /* D=1 */
+                         );
+    fluid_mod_set_source2(&default_att_mod, 0, 0);                 /* No second source */
+    fluid_mod_set_dest(&default_att_mod, GEN_ATTENUATION);         /* Target: Initial attenuation */
+    fluid_mod_set_amount(&default_att_mod, FLUID_PEAK_ATTENUATION);  /* Amount: 960 */
+
+
+
+    /* SF2.01 page 55 section 8.4.6 MIDI continuous controller 10 to Pan Position */
+    fluid_mod_set_source1(&default_pan_mod, PAN_MSB,       /* index=10 */
+                          FLUID_MOD_CC                              /* CC=1 */
+                          | FLUID_MOD_LINEAR                        /* type=0 */
+                          | FLUID_MOD_BIPOLAR                       /* P=1 */
+                          | FLUID_MOD_POSITIVE                      /* D=0 */
+                         );
+    fluid_mod_set_source2(&default_pan_mod, 0, 0);                 /* No second source */
+    fluid_mod_set_dest(&default_pan_mod, GEN_PAN);                 /* Target: pan */
+    /* Amount: 500. The SF specs $8.4.6, p. 55 says: "Amount = 1000
+       tenths of a percent". The center value (64) corresponds to 50%,
+       so it follows that amount = 50% x 1000/% = 500. */
+    fluid_mod_set_amount(&default_pan_mod, 500.0);
+
+
+    /* SF2.01 page 55 section 8.4.7: MIDI continuous controller 11 to initial attenuation*/
+    fluid_mod_set_source1(&default_expr_mod, EXPRESSION_MSB, /* index=11 */
+                          FLUID_MOD_CC                              /* CC=1 */
+                          | FLUID_MOD_CONCAVE                       /* type=1 */
+                          | FLUID_MOD_UNIPOLAR                      /* P=0 */
+                          | FLUID_MOD_NEGATIVE                      /* D=1 */
+                         );
+    fluid_mod_set_source2(&default_expr_mod, 0, 0);                 /* No second source */
+    fluid_mod_set_dest(&default_expr_mod, GEN_ATTENUATION);         /* Target: Initial attenuation */
+    fluid_mod_set_amount(&default_expr_mod, FLUID_PEAK_ATTENUATION);  /* Amount: 960 */
+
+
+
+    /* SF2.01 page 55 section 8.4.8: MIDI continuous controller 91 to Reverb send */
+    fluid_mod_set_source1(&default_reverb_mod, EFFECTS_DEPTH1, /* index=91 */
+                          FLUID_MOD_CC                              /* CC=1 */
+                          | FLUID_MOD_LINEAR                        /* type=0 */
+                          | FLUID_MOD_UNIPOLAR                      /* P=0 */
+                          | FLUID_MOD_POSITIVE                      /* D=0 */
+                         );
+    fluid_mod_set_source2(&default_reverb_mod, 0, 0);              /* No second source */
+    fluid_mod_set_dest(&default_reverb_mod, GEN_REVERBSEND);       /* Target: Reverb send */
+    fluid_mod_set_amount(&default_reverb_mod, 200);                /* Amount: 200 ('tenths of a percent') */
+
+
+
+    /* SF2.01 page 55 section 8.4.9: MIDI continuous controller 93 to Chorus send */
+    fluid_mod_set_source1(&default_chorus_mod, EFFECTS_DEPTH3, /* index=93 */
+                          FLUID_MOD_CC                              /* CC=1 */
+                          | FLUID_MOD_LINEAR                        /* type=0 */
+                          | FLUID_MOD_UNIPOLAR                      /* P=0 */
+                          | FLUID_MOD_POSITIVE                      /* D=0 */
+                         );
+    fluid_mod_set_source2(&default_chorus_mod, 0, 0);              /* No second source */
+    fluid_mod_set_dest(&default_chorus_mod, GEN_CHORUSSEND);       /* Target: Chorus */
+    fluid_mod_set_amount(&default_chorus_mod, 200);                /* Amount: 200 ('tenths of a percent') */
+
+
+
+    /* SF2.01 page 57 section 8.4.10 MIDI Pitch Wheel to Initial Pitch ... */
+    /* Initial Pitch is not a "standard" generator, because it isn't mentioned in the
+       list of generators in the SF2 specifications. That's why destination Initial Pitch
+       is replaced here by fine tune generator.
+     */
+    fluid_mod_set_source1(&default_pitch_bend_mod, FLUID_MOD_PITCHWHEEL, /* Index=14 */
+                          FLUID_MOD_GC                              /* CC =0 */
+                          | FLUID_MOD_LINEAR                        /* type=0 */
+                          | FLUID_MOD_BIPOLAR                       /* P=1 */
+                          | FLUID_MOD_POSITIVE                      /* D=0 */
+                         );
+    fluid_mod_set_source2(&default_pitch_bend_mod, FLUID_MOD_PITCHWHEELSENS,  /* Index = 16 */
+                          FLUID_MOD_GC                                        /* CC=0 */
+                          | FLUID_MOD_LINEAR                                  /* type=0 */
+                          | FLUID_MOD_UNIPOLAR                                /* P=0 */
+                          | FLUID_MOD_POSITIVE                                /* D=0 */
+                         );
+    /* Also see the comment in gen.h about GEN_PITCH */
+    fluid_mod_set_dest(&default_pitch_bend_mod, GEN_FINETUNE);              /* Destination: Fine Tune */
+    fluid_mod_set_amount(&default_pitch_bend_mod, 12700.0);                 /* Amount: 12700 cents */
+
+
+    /* Non-standard MIDI continuous controller 8 to channel stereo balance */
+    fluid_mod_set_source1(&custom_balance_mod, BALANCE_MSB, /* Index=8 */
+                          FLUID_MOD_CC                              /* CC=1 */
+                          | FLUID_MOD_CONCAVE                       /* type=1 */
+                          | FLUID_MOD_BIPOLAR                       /* P=1 */
+                          | FLUID_MOD_POSITIVE                      /* D=0 */
+                         );
+    fluid_mod_set_source2(&custom_balance_mod, 0, 0);
+    fluid_mod_set_dest(&custom_balance_mod, GEN_CUSTOM_BALANCE);     /* Destination: stereo balance */
+    /* Amount: 96 dB of attenuation (on the opposite channel) */
+    fluid_mod_set_amount(&custom_balance_mod, FLUID_PEAK_ATTENUATION); /* Amount: 960 */
+
+#if defined(LIBINSTPATCH_SUPPORT)
+    /* defer libinstpatch init to fluid_instpatch.c to avoid #include "libinstpatch.h" */
+    if(!fluid_instpatch_supports_multi_init())
+    {
+        fluid_instpatch_init();
+    }
+#endif
+}
+
+static FLUID_INLINE unsigned int fluid_synth_get_ticks(fluid_synth_t *synth)
+{
+    return fluid_atomic_int_get(&synth->ticks_since_start);
+}
+
+static FLUID_INLINE void fluid_synth_add_ticks(fluid_synth_t *synth, int val)
+{
+    fluid_atomic_int_add(&synth->ticks_since_start, val);
+}
+
+
+/***************************************************************
+ *                    FLUID SAMPLE TIMERS
+ *    Timers that use written audio data as timing reference
+ */
+struct _fluid_sample_timer_t
+{
+    fluid_sample_timer_t *next; /* Single linked list of timers */
+    unsigned long starttick;
+    fluid_timer_callback_t callback;
+    void *data;
+    int isfinished;
+};
+
+/*
+ * fluid_sample_timer_process - called when synth->ticks is updated
+ */
+static void fluid_sample_timer_process(fluid_synth_t *synth)
+{
+    fluid_sample_timer_t *st;
+    long msec;
+    int cont;
+    unsigned int ticks = fluid_synth_get_ticks(synth);
+
+    for(st = synth->sample_timers; st; st = st->next)
+    {
+        if(st->isfinished)
+        {
+            continue;
+        }
+
+        msec = (long)(1000.0 * ((double)(ticks - st->starttick)) / synth->sample_rate);
+        cont = (*st->callback)(st->data, msec);
+
+        if(cont == 0)
+        {
+            st->isfinished = 1;
+        }
+    }
+}
+
+fluid_sample_timer_t *new_fluid_sample_timer(fluid_synth_t *synth, fluid_timer_callback_t callback, void *data)
+{
+    fluid_sample_timer_t *result = FLUID_NEW(fluid_sample_timer_t);
+
+    if(result == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return NULL;
+    }
+
+    fluid_sample_timer_reset(synth, result);
+    result->data = data;
+    result->callback = callback;
+    result->next = synth->sample_timers;
+    synth->sample_timers = result;
+    return result;
+}
+
+void delete_fluid_sample_timer(fluid_synth_t *synth, fluid_sample_timer_t *timer)
+{
+    fluid_sample_timer_t **ptr;
+    fluid_return_if_fail(synth != NULL);
+    fluid_return_if_fail(timer != NULL);
+
+    ptr = &synth->sample_timers;
+
+    while(*ptr)
+    {
+        if(*ptr == timer)
+        {
+            *ptr = timer->next;
+            FLUID_FREE(timer);
+            return;
+        }
+
+        ptr = &((*ptr)->next);
+    }
+}
+
+void fluid_sample_timer_reset(fluid_synth_t *synth, fluid_sample_timer_t *timer)
+{
+    timer->starttick = fluid_synth_get_ticks(synth);
+    timer->isfinished = 0;
+}
+
+/***************************************************************
+ *
+ *                      FLUID SYNTH
+ */
+
+static FLUID_INLINE void
+fluid_synth_update_mixer(fluid_synth_t *synth, fluid_rvoice_function_t method, int intparam,
+                         fluid_real_t realparam)
+{
+    fluid_return_if_fail(synth != NULL && synth->eventhandler != NULL);
+    fluid_return_if_fail(synth->eventhandler->mixer != NULL);
+    fluid_rvoice_eventhandler_push_int_real(synth->eventhandler, method,
+                                            synth->eventhandler->mixer,
+                                            intparam, realparam);
+}
+
+static FLUID_INLINE unsigned int fluid_synth_get_min_note_length_LOCAL(fluid_synth_t *synth)
+{
+    int i;
+    fluid_settings_getint(synth->settings, "synth.min-note-length", &i);
+    return (unsigned int)(i * synth->sample_rate / 1000.0f);
+}
+
+/**
+ * Create new FluidSynth instance.
+ * @param settings Configuration parameters to use (used directly).
+ * @return New FluidSynth instance or NULL on error
+ *
+ * @note The @p settings parameter is used directly, but the synth does not take ownership of it.
+ * Hence, the caller is responsible for freeing it, when no longer needed.
+ * Further note that you may modify FluidSettings of the
+ * @p settings instance. However, only those FluidSettings marked as 'realtime' will
+ * affect the synth immediately. See the \ref fluidsettings for more details.
+ *
+ * @warning The @p settings object should only be used by a single synth at a time. I.e. creating
+ * multiple synth instances with a single @p settings object causes undefined behavior. Once the
+ * "single synth" has been deleted, you may use the @p settings object again for another synth.
+ */
+fluid_synth_t *
+new_fluid_synth(fluid_settings_t *settings)
+{
+    fluid_synth_t *synth;
+    fluid_sfloader_t *loader;
+    char *important_channels;
+    int i, prio_level = 0;
+    int with_ladspa = 0;
+    double sample_rate_min, sample_rate_max;
+
+    /* initialize all the conversion tables and other stuff */
+    if(fluid_atomic_int_compare_and_exchange(&fluid_synth_initialized, 0, 1))
+    {
+        fluid_synth_init();
+    }
+
+    /* allocate a new synthesizer object */
+    synth = FLUID_NEW(fluid_synth_t);
+
+    if(synth == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return NULL;
+    }
+
+    FLUID_MEMSET(synth, 0, sizeof(fluid_synth_t));
+
+#if defined(LIBINSTPATCH_SUPPORT)
+    if(fluid_instpatch_supports_multi_init())
+    {
+        fluid_instpatch_init();
+    }
+#endif
+
+    fluid_rec_mutex_init(synth->mutex);
+    fluid_settings_getint(settings, "synth.threadsafe-api", &synth->use_mutex);
+    synth->public_api_count = 0;
+
+    synth->settings = settings;
+
+    fluid_settings_getint(settings, "synth.reverb.active", &synth->with_reverb);
+    fluid_settings_getint(settings, "synth.chorus.active", &synth->with_chorus);
+    fluid_settings_getint(settings, "synth.verbose", &synth->verbose);
+
+    fluid_settings_getint(settings, "synth.polyphony", &synth->polyphony);
+    fluid_settings_getnum(settings, "synth.sample-rate", &synth->sample_rate);
+    fluid_settings_getnum_range(settings, "synth.sample-rate", &sample_rate_min, &sample_rate_max);
+    fluid_settings_getint(settings, "synth.midi-channels", &synth->midi_channels);
+    fluid_settings_getint(settings, "synth.audio-channels", &synth->audio_channels);
+    fluid_settings_getint(settings, "synth.audio-groups", &synth->audio_groups);
+    fluid_settings_getint(settings, "synth.effects-channels", &synth->effects_channels);
+    fluid_settings_getint(settings, "synth.effects-groups", &synth->effects_groups);
+    fluid_settings_getnum_float(settings, "synth.gain", &synth->gain);
+    fluid_settings_getint(settings, "synth.device-id", &synth->device_id);
+    fluid_settings_getint(settings, "synth.cpu-cores", &synth->cores);
+
+    fluid_settings_getnum_float(settings, "synth.overflow.percussion", &synth->overflow.percussion);
+    fluid_settings_getnum_float(settings, "synth.overflow.released", &synth->overflow.released);
+    fluid_settings_getnum_float(settings, "synth.overflow.sustained", &synth->overflow.sustained);
+    fluid_settings_getnum_float(settings, "synth.overflow.volume", &synth->overflow.volume);
+    fluid_settings_getnum_float(settings, "synth.overflow.age", &synth->overflow.age);
+    fluid_settings_getnum_float(settings, "synth.overflow.important", &synth->overflow.important);
+
+    /* register the callbacks */
+    fluid_settings_callback_num(settings, "synth.gain",
+                                fluid_synth_handle_gain, synth);
+    fluid_settings_callback_int(settings, "synth.polyphony",
+                                fluid_synth_handle_polyphony, synth);
+    fluid_settings_callback_int(settings, "synth.device-id",
+                                fluid_synth_handle_device_id, synth);
+    fluid_settings_callback_num(settings, "synth.overflow.percussion",
+                                fluid_synth_handle_overflow, synth);
+    fluid_settings_callback_num(settings, "synth.overflow.sustained",
+                                fluid_synth_handle_overflow, synth);
+    fluid_settings_callback_num(settings, "synth.overflow.released",
+                                fluid_synth_handle_overflow, synth);
+    fluid_settings_callback_num(settings, "synth.overflow.age",
+                                fluid_synth_handle_overflow, synth);
+    fluid_settings_callback_num(settings, "synth.overflow.volume",
+                                fluid_synth_handle_overflow, synth);
+    fluid_settings_callback_num(settings, "synth.overflow.important",
+                                fluid_synth_handle_overflow, synth);
+    fluid_settings_callback_str(settings, "synth.overflow.important-channels",
+                                fluid_synth_handle_important_channels, synth);
+    fluid_settings_callback_num(settings, "synth.reverb.room-size",
+                                fluid_synth_handle_reverb_chorus_num, synth);
+    fluid_settings_callback_num(settings, "synth.reverb.damp",
+                                fluid_synth_handle_reverb_chorus_num, synth);
+    fluid_settings_callback_num(settings, "synth.reverb.width",
+                                fluid_synth_handle_reverb_chorus_num, synth);
+    fluid_settings_callback_num(settings, "synth.reverb.level",
+                                fluid_synth_handle_reverb_chorus_num, synth);
+    fluid_settings_callback_int(settings, "synth.reverb.active",
+                                fluid_synth_handle_reverb_chorus_int, synth);
+    fluid_settings_callback_int(settings, "synth.chorus.active",
+                                fluid_synth_handle_reverb_chorus_int, synth);
+    fluid_settings_callback_int(settings, "synth.chorus.nr",
+                                fluid_synth_handle_reverb_chorus_int, synth);
+    fluid_settings_callback_num(settings, "synth.chorus.level",
+                                fluid_synth_handle_reverb_chorus_num, synth);
+    fluid_settings_callback_num(settings, "synth.chorus.depth",
+                                fluid_synth_handle_reverb_chorus_num, synth);
+    fluid_settings_callback_num(settings, "synth.chorus.speed",
+                                fluid_synth_handle_reverb_chorus_num, synth);
+
+    /* do some basic sanity checking on the settings */
+
+    if(synth->midi_channels % 16 != 0)
+    {
+        int n = synth->midi_channels / 16;
+        synth->midi_channels = (n + 1) * 16;
+        fluid_settings_setint(settings, "synth.midi-channels", synth->midi_channels);
+        FLUID_LOG(FLUID_WARN, "Requested number of MIDI channels is not a multiple of 16. "
+                  "I'll increase the number of channels to the next multiple.");
+    }
+
+    if(synth->audio_channels < 1)
+    {
+        FLUID_LOG(FLUID_WARN, "Requested number of audio channels is smaller than 1. "
+                  "Changing this setting to 1.");
+        synth->audio_channels = 1;
+    }
+    else if(synth->audio_channels > 128)
+    {
+        FLUID_LOG(FLUID_WARN, "Requested number of audio channels is too big (%d). "
+                  "Limiting this setting to 128.", synth->audio_channels);
+        synth->audio_channels = 128;
+    }
+
+    if(synth->audio_groups < 1)
+    {
+        FLUID_LOG(FLUID_WARN, "Requested number of audio groups is smaller than 1. "
+                  "Changing this setting to 1.");
+        synth->audio_groups = 1;
+    }
+    else if(synth->audio_groups > 128)
+    {
+        FLUID_LOG(FLUID_WARN, "Requested number of audio groups is too big (%d). "
+                  "Limiting this setting to 128.", synth->audio_groups);
+        synth->audio_groups = 128;
+    }
+
+    if(synth->effects_channels < 2)
+    {
+        FLUID_LOG(FLUID_WARN, "Invalid number of effects channels (%d)."
+                  "Setting effects channels to 2.", synth->effects_channels);
+        synth->effects_channels = 2;
+    }
+
+    /*
+     number of buffers rendered by the mixer is determined by synth->audio_groups.
+     audio from MIDI channel is rendered, mapped and mixed in these buffers.
+
+     Typically synth->audio_channels is only used by audio driver and should be set
+     to the same value that synth->audio_groups. In some situation using LADSPA,
+     it is best to diminish audio-channels so that the driver will be able to pass
+     the audio to audio devices in the case these devices have a limited number of
+     audio channels.
+
+     audio-channels must not be greater then audio-groups, otherwise these
+     audio output above audio-groups will not be rendered by the mixeur.
+    */
+    if(synth->audio_channels > synth->audio_groups)
+    {
+        synth->audio_channels = synth->audio_groups;
+        fluid_settings_setint(settings, "synth.audio-channels", synth->audio_channels);
+                       FLUID_LOG(FLUID_WARN, "Requested audio-channels to high. "
+                       "Limiting this setting to audio-groups.");
+    }
+
+    if(fluid_settings_dupstr(settings, "synth.overflow.important-channels",
+                             &important_channels) == FLUID_OK)
+    {
+        if(fluid_synth_set_important_channels(synth, important_channels) != FLUID_OK)
+        {
+            FLUID_LOG(FLUID_WARN, "Failed to set overflow important channels");
+        }
+
+        FLUID_FREE(important_channels);
+    }
+
+    /* as soon as the synth is created it starts playing. */
+    synth->state = FLUID_SYNTH_PLAYING;
+
+    synth->fromkey_portamento = INVALID_NOTE;		/* disable portamento */
+
+    fluid_atomic_int_set(&synth->ticks_since_start, 0);
+    synth->tuning = NULL;
+    fluid_private_init(synth->tuning_iter);
+
+    /* Initialize multi-core variables if multiple cores enabled */
+    if(synth->cores > 1)
+    {
+        fluid_settings_getint(synth->settings, "audio.realtime-prio", &prio_level);
+    }
+
+    /* Allocate event queue for rvoice mixer */
+    /* In an overflow situation, a new voice takes about 50 spaces in the queue! */
+    synth->eventhandler = new_fluid_rvoice_eventhandler(synth->polyphony * 64,
+                          synth->polyphony, synth->audio_groups,
+                          synth->effects_channels, synth->effects_groups,
+                          (fluid_real_t)sample_rate_max, synth->sample_rate,
+                          synth->cores - 1, prio_level);
+
+    if(synth->eventhandler == NULL)
+    {
+        goto error_recovery;
+    }
+
+    /* Setup the list of default modulators.
+     * Needs to happen after eventhandler has been set up, as fluid_synth_enter_api is called in the process */
+    synth->default_mod = NULL;
+    fluid_synth_add_default_mod(synth, &default_vel2att_mod, FLUID_SYNTH_ADD);
+    fluid_synth_add_default_mod(synth, &default_vel2filter_mod, FLUID_SYNTH_ADD);
+    fluid_synth_add_default_mod(synth, &default_at2viblfo_mod, FLUID_SYNTH_ADD);
+    fluid_synth_add_default_mod(synth, &default_mod2viblfo_mod, FLUID_SYNTH_ADD);
+    fluid_synth_add_default_mod(synth, &default_att_mod, FLUID_SYNTH_ADD);
+    fluid_synth_add_default_mod(synth, &default_pan_mod, FLUID_SYNTH_ADD);
+    fluid_synth_add_default_mod(synth, &default_expr_mod, FLUID_SYNTH_ADD);
+    fluid_synth_add_default_mod(synth, &default_reverb_mod, FLUID_SYNTH_ADD);
+    fluid_synth_add_default_mod(synth, &default_chorus_mod, FLUID_SYNTH_ADD);
+    fluid_synth_add_default_mod(synth, &default_pitch_bend_mod, FLUID_SYNTH_ADD);
+    fluid_synth_add_default_mod(synth, &custom_balance_mod, FLUID_SYNTH_ADD);
+
+    /* Create and initialize the Fx unit.*/
+    fluid_settings_getint(settings, "synth.ladspa.active", &with_ladspa);
+
+    if(with_ladspa)
+    {
+#ifdef LADSPA
+        synth->ladspa_fx = new_fluid_ladspa_fx(synth->sample_rate,
+                                               FLUID_MIXER_MAX_BUFFERS_DEFAULT * FLUID_BUFSIZE);
+
+        if(synth->ladspa_fx == NULL)
+        {
+            FLUID_LOG(FLUID_ERR, "Out of memory");
+            goto error_recovery;
+        }
+
+        fluid_rvoice_mixer_set_ladspa(synth->eventhandler->mixer, synth->ladspa_fx,
+                                      synth->audio_groups);
+#else /* LADSPA */
+        FLUID_LOG(FLUID_WARN, "FluidSynth has not been compiled with LADSPA support");
+#endif /* LADSPA */
+    }
+
+    /* allocate and add the dls sfont loader */
+#ifdef LIBINSTPATCH_SUPPORT
+    loader = new_fluid_instpatch_loader(settings);
+
+    if(loader == NULL)
+    {
+        FLUID_LOG(FLUID_WARN, "Failed to create the instpatch SoundFont loader");
+    }
+    else
+    {
+        fluid_synth_add_sfloader(synth, loader);
+    }
+#endif
+
+    /* allocate and add the default sfont loader */
+    loader = new_fluid_defsfloader(settings);
+
+    if(loader == NULL)
+    {
+        FLUID_LOG(FLUID_WARN, "Failed to create the default SoundFont loader");
+    }
+    else
+    {
+        fluid_synth_add_sfloader(synth, loader);
+    }
+
+    /* allocate all channel objects */
+    synth->channel = FLUID_ARRAY(fluid_channel_t *, synth->midi_channels);
+
+    if(synth->channel == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        goto error_recovery;
+    }
+
+    FLUID_MEMSET(synth->channel, 0, synth->midi_channels * sizeof(*synth->channel));
+    for(i = 0; i < synth->midi_channels; i++)
+    {
+        synth->channel[i] = new_fluid_channel(synth, i);
+
+        if(synth->channel[i] == NULL)
+        {
+            goto error_recovery;
+        }
+    }
+
+    /* allocate all synthesis processes */
+    synth->nvoice = synth->polyphony;
+    synth->voice = FLUID_ARRAY(fluid_voice_t *, synth->nvoice);
+
+    if(synth->voice == NULL)
+    {
+        goto error_recovery;
+    }
+
+    FLUID_MEMSET(synth->voice, 0, synth->nvoice * sizeof(*synth->voice));
+    for(i = 0; i < synth->nvoice; i++)
+    {
+        synth->voice[i] = new_fluid_voice(synth->eventhandler, synth->sample_rate);
+
+        if(synth->voice[i] == NULL)
+        {
+            goto error_recovery;
+        }
+    }
+
+    /* sets a default basic channel */
+    /* Sets one basic channel: basic channel 0, mode 0 (Omni On - Poly) */
+    /* (i.e all channels are polyphonic) */
+    /* Must be called after channel objects allocation */
+    fluid_synth_set_basic_channel_LOCAL(synth, 0, FLUID_CHANNEL_MODE_OMNION_POLY,
+                                        synth->midi_channels);
+
+    synth->min_note_length_ticks = fluid_synth_get_min_note_length_LOCAL(synth);
+
+
+    fluid_synth_update_mixer(synth, fluid_rvoice_mixer_set_polyphony,
+                             synth->polyphony, 0.0f);
+    fluid_synth_reverb_on(synth, -1, synth->with_reverb);
+    fluid_synth_chorus_on(synth, -1, synth->with_chorus);
+
+    synth->cur = FLUID_BUFSIZE;
+    synth->curmax = 0;
+    synth->dither_index = 0;
+
+    {
+        double values[FLUID_REVERB_PARAM_LAST];
+
+        fluid_settings_getnum(settings, "synth.reverb.room-size", &values[FLUID_REVERB_ROOMSIZE]);
+        fluid_settings_getnum(settings, "synth.reverb.damp", &values[FLUID_REVERB_DAMP]);
+        fluid_settings_getnum(settings, "synth.reverb.width", &values[FLUID_REVERB_WIDTH]);
+        fluid_settings_getnum(settings, "synth.reverb.level", &values[FLUID_REVERB_LEVEL]);
+
+        fluid_synth_set_reverb_full(synth, -1, FLUID_REVMODEL_SET_ALL, values);
+    }
+
+    {
+        double values[FLUID_CHORUS_PARAM_LAST];
+
+        fluid_settings_getint(settings, "synth.chorus.nr", &i);
+        values[FLUID_CHORUS_NR] = (double)i;
+        fluid_settings_getnum(settings, "synth.chorus.level", &values[FLUID_CHORUS_LEVEL]);
+        fluid_settings_getnum(settings, "synth.chorus.speed", &values[FLUID_CHORUS_SPEED]);
+        fluid_settings_getnum(settings, "synth.chorus.depth", &values[FLUID_CHORUS_DEPTH]);
+        values[FLUID_CHORUS_TYPE] = (double)FLUID_CHORUS_DEFAULT_TYPE;
+
+        fluid_synth_set_chorus_full(synth, -1, FLUID_CHORUS_SET_ALL, values);
+    }
+
+
+    synth->bank_select = FLUID_BANK_STYLE_GS;
+
+    if(fluid_settings_str_equal(settings, "synth.midi-bank-select", "gm"))
+    {
+        synth->bank_select = FLUID_BANK_STYLE_GM;
+    }
+    else if(fluid_settings_str_equal(settings, "synth.midi-bank-select", "gs"))
+    {
+        synth->bank_select = FLUID_BANK_STYLE_GS;
+    }
+    else if(fluid_settings_str_equal(settings, "synth.midi-bank-select", "xg"))
+    {
+        synth->bank_select = FLUID_BANK_STYLE_XG;
+    }
+    else if(fluid_settings_str_equal(settings, "synth.midi-bank-select", "mma"))
+    {
+        synth->bank_select = FLUID_BANK_STYLE_MMA;
+    }
+
+    fluid_synth_process_event_queue(synth);
+
+    /* FIXME */
+    synth->start = fluid_curtime();
+
+    return synth;
+
+error_recovery:
+    delete_fluid_synth(synth);
+    return NULL;
+}
+
+
+/**
+ * Delete a FluidSynth instance.
+ * @param synth FluidSynth instance to delete
+ *
+ * @note Other users of a synthesizer instance, such as audio and MIDI drivers,
+ * should be deleted prior to freeing the FluidSynth instance.
+ */
+void
+delete_fluid_synth(fluid_synth_t *synth)
+{
+    int i, k;
+    fluid_list_t *list;
+    fluid_sfont_t *sfont;
+    fluid_sfloader_t *loader;
+
+    fluid_return_if_fail(synth != NULL);
+
+    fluid_profiling_print();
+
+    /* unregister all real-time settings callback, to avoid a use-after-free when changing those settings after
+     * this synth has been deleted*/
+
+    fluid_settings_callback_num(synth->settings, "synth.gain",
+                                NULL, NULL);
+    fluid_settings_callback_int(synth->settings, "synth.polyphony",
+                                NULL, NULL);
+    fluid_settings_callback_int(synth->settings, "synth.device-id",
+                                NULL, NULL);
+    fluid_settings_callback_num(synth->settings, "synth.overflow.percussion",
+                                NULL, NULL);
+    fluid_settings_callback_num(synth->settings, "synth.overflow.sustained",
+                                NULL, NULL);
+    fluid_settings_callback_num(synth->settings, "synth.overflow.released",
+                                NULL, NULL);
+    fluid_settings_callback_num(synth->settings, "synth.overflow.age",
+                                NULL, NULL);
+    fluid_settings_callback_num(synth->settings, "synth.overflow.volume",
+                                NULL, NULL);
+    fluid_settings_callback_num(synth->settings, "synth.overflow.important",
+                                NULL, NULL);
+    fluid_settings_callback_str(synth->settings, "synth.overflow.important-channels",
+                                NULL, NULL);
+    fluid_settings_callback_num(synth->settings, "synth.reverb.room-size",
+                                NULL, NULL);
+    fluid_settings_callback_num(synth->settings, "synth.reverb.damp",
+                                NULL, NULL);
+    fluid_settings_callback_num(synth->settings, "synth.reverb.width",
+                                NULL, NULL);
+    fluid_settings_callback_num(synth->settings, "synth.reverb.level",
+                                NULL, NULL);
+    fluid_settings_callback_int(synth->settings, "synth.reverb.active",
+                                NULL, NULL);
+    fluid_settings_callback_int(synth->settings, "synth.chorus.active",
+                                NULL, NULL);
+    fluid_settings_callback_int(synth->settings, "synth.chorus.nr",
+                                NULL, NULL);
+    fluid_settings_callback_num(synth->settings, "synth.chorus.level",
+                                NULL, NULL);
+    fluid_settings_callback_num(synth->settings, "synth.chorus.depth",
+                                NULL, NULL);
+    fluid_settings_callback_num(synth->settings, "synth.chorus.speed",
+                                NULL, NULL);
+
+    /* turn off all voices, needed to unload SoundFont data */
+    if(synth->voice != NULL)
+    {
+        for(i = 0; i < synth->nvoice; i++)
+        {
+            fluid_voice_t *voice = synth->voice[i];
+
+            if(!voice)
+            {
+                continue;
+            }
+
+            /* WARNING: A this point we must ensure that the reference counter
+               of any soundfont sample owned by any rvoice belonging to the voice
+               are correctly decremented. This is the contrary part to
+               to fluid_voice_init() where the sample's reference counter is
+               incremented.
+            */
+            fluid_voice_unlock_rvoice(voice);
+            fluid_voice_overflow_rvoice_finished(voice);
+
+            if(fluid_voice_is_playing(voice))
+            {
+                fluid_voice_off(voice);
+                /* If we only use fluid_voice_off(voice) it will trigger a delayed
+                 * fluid_voice_stop(voice) via fluid_synth_check_finished_voices().
+                 * But here, we are deleting the fluid_synth_t instance so
+                 * fluid_voice_stop() will be never triggered resulting in
+                 * SoundFont data never unloaded (i.e a serious memory leak).
+                 * So, fluid_voice_stop() must be explicitly called to insure
+                 * unloading SoundFont data
+                 */
+                fluid_voice_stop(voice);
+            }
+        }
+    }
+
+    /* also unset all presets for clean SoundFont unload */
+    if(synth->channel != NULL)
+    {
+        for(i = 0; i < synth->midi_channels; i++)
+        {
+            if(synth->channel[i] != NULL)
+            {
+                fluid_channel_set_preset(synth->channel[i], NULL);
+            }
+        }
+    }
+
+    delete_fluid_rvoice_eventhandler(synth->eventhandler);
+
+    /* delete all the SoundFonts */
+    for(list = synth->sfont; list; list = fluid_list_next(list))
+    {
+        sfont = fluid_list_get(list);
+        fluid_sfont_delete_internal(sfont);
+    }
+
+    delete_fluid_list(synth->sfont);
+
+    /* delete all the SoundFont loaders */
+
+    for(list = synth->loaders; list; list = fluid_list_next(list))
+    {
+        loader = (fluid_sfloader_t *) fluid_list_get(list);
+        fluid_sfloader_delete(loader);
+    }
+
+    delete_fluid_list(synth->loaders);
+
+    /* wait for and delete all the lazy sfont unloading timers */
+
+    for(list = synth->fonts_to_be_unloaded; list; list = fluid_list_next(list))
+    {
+        fluid_timer_t* timer = fluid_list_get(list);
+        // explicitly join to wait for the unload really to happen
+        fluid_timer_join(timer);
+        // delete_fluid_timer alone would stop the timer, even if it had not unloaded the soundfont yet
+        delete_fluid_timer(timer);
+    }
+
+    delete_fluid_list(synth->fonts_to_be_unloaded);
+
+    if(synth->channel != NULL)
+    {
+        for(i = 0; i < synth->midi_channels; i++)
+        {
+            delete_fluid_channel(synth->channel[i]);
+        }
+
+        FLUID_FREE(synth->channel);
+    }
+
+    if(synth->voice != NULL)
+    {
+        for(i = 0; i < synth->nvoice; i++)
+        {
+            delete_fluid_voice(synth->voice[i]);
+        }
+
+        FLUID_FREE(synth->voice);
+    }
+
+
+    /* free the tunings, if any */
+    if(synth->tuning != NULL)
+    {
+        for(i = 0; i < 128; i++)
+        {
+            if(synth->tuning[i] != NULL)
+            {
+                for(k = 0; k < 128; k++)
+                {
+                    delete_fluid_tuning(synth->tuning[i][k]);
+                }
+
+                FLUID_FREE(synth->tuning[i]);
+            }
+        }
+
+        FLUID_FREE(synth->tuning);
+    }
+
+    fluid_private_free(synth->tuning_iter);
+
+#ifdef LADSPA
+    /* Release the LADSPA effects unit */
+    delete_fluid_ladspa_fx(synth->ladspa_fx);
+#endif
+
+    /* delete all default modulators */
+    delete_fluid_list_mod(synth->default_mod);
+
+    FLUID_FREE(synth->overflow.important_channels);
+
+    fluid_rec_mutex_destroy(synth->mutex);
+
+    FLUID_FREE(synth);
+
+#if defined(LIBINSTPATCH_SUPPORT)
+    if(fluid_instpatch_supports_multi_init())
+    {
+        fluid_instpatch_deinit();
+    }
+#endif
+}
+
+/**
+ * Get a textual representation of the last error
+ * @param synth FluidSynth instance
+ * @return Pointer to string of last error message.  Valid until the same
+ *   calling thread calls another FluidSynth function which fails.  String is
+ *   internal and should not be modified or freed.
+ * @deprecated This function is not thread-safe and does not work with multiple synths.
+ * It has been deprecated. It may return "" in a future release and will eventually be removed.
+ */
+const char *
+fluid_synth_error(fluid_synth_t *synth)
+{
+    return "";
+}
+
+/**
+ * Send a note-on event to a FluidSynth object.
+ *
+ * This function will take care of proper legato playing. If a note on channel @p chan is
+ * already playing at the given key @p key, it will be released (even if it is sustained).
+ * In other words, overlapping notes are not allowed.
+ * @param synth FluidSynth instance
+ * @param chan MIDI channel number (0 to MIDI channel count - 1)
+ * @param key MIDI note number (0-127)
+ * @param vel MIDI velocity (0-127, 0=noteoff)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ */
+int
+fluid_synth_noteon(fluid_synth_t *synth, int chan, int key, int vel)
+{
+    int result;
+    fluid_return_val_if_fail(key >= 0 && key <= 127, FLUID_FAILED);
+    fluid_return_val_if_fail(vel >= 0 && vel <= 127, FLUID_FAILED);
+    FLUID_API_ENTRY_CHAN(FLUID_FAILED);
+
+    /* Allowed only on MIDI channel enabled */
+    FLUID_API_RETURN_IF_CHAN_DISABLED(FLUID_FAILED);
+
+    result = fluid_synth_noteon_LOCAL(synth, chan, key, vel);
+    FLUID_API_RETURN(result);
+}
+
+/* Local synthesis thread variant of fluid_synth_noteon */
+static int
+fluid_synth_noteon_LOCAL(fluid_synth_t *synth, int chan, int key, int vel)
+{
+    fluid_channel_t *channel ;
+
+    /* notes with velocity zero go to noteoff  */
+    if(vel == 0)
+    {
+        return fluid_synth_noteoff_LOCAL(synth, chan, key);
+    }
+
+    channel = synth->channel[chan];
+
+    /* makes sure this channel has a preset */
+    if(channel->preset == NULL)
+    {
+        if(synth->verbose)
+        {
+            FLUID_LOG(FLUID_INFO, "noteon\t%d\t%d\t%d\t%05d\t%.3f\t%.3f\t%.3f\t%d\t%s",
+                      chan, key, vel, 0,
+                      fluid_synth_get_ticks(synth) / 44100.0f,
+                      (fluid_curtime() - synth->start) / 1000.0f,
+                      0.0f, 0, "channel has no preset");
+        }
+
+        return FLUID_FAILED;
+    }
+
+    if(fluid_channel_is_playing_mono(channel)) /* channel is mono or legato CC is On) */
+    {
+        /* play the noteOn in monophonic */
+        return fluid_synth_noteon_mono_LOCAL(synth, chan, key, vel);
+    }
+    else
+    {
+        /* channel is poly and legato CC is Off) */
+
+        /* plays the noteOn in polyphonic */
+        /* Sets the note at first position in monophonic list */
+        /* In the case where the musician intends to inter the channel in monophonic
+        (by depressing the CC legato on), the next noteOn mono could be played legato
+         with the previous note poly (if the musician choose this).
+            */
+        fluid_channel_set_onenote_monolist(channel, (unsigned char) key,
+                                           (unsigned char) vel);
+
+        /* If there is another voice process on the same channel and key,
+           advance it to the release phase. */
+        fluid_synth_release_voice_on_same_note_LOCAL(synth, chan, key);
+
+        /* a noteon poly is passed to fluid_synth_noteon_monopoly_legato().
+          This allows an opportunity to get this note played legato with a previous
+          note if a CC PTC have been received before this noteon. This behavior is
+          a MIDI specification (see FluidPolymono-0004.pdf chapter 4.3-a ,3.4.11
+          for details).
+        */
+        return fluid_synth_noteon_monopoly_legato(synth, chan, INVALID_NOTE, key, vel);
+    }
+}
+
+/**
+ * Sends a note-off event to a FluidSynth object.
+ * @param synth FluidSynth instance
+ * @param chan MIDI channel number (0 to MIDI channel count - 1)
+ * @param key MIDI note number (0-127)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise (may just mean that no
+ *   voices matched the note off event)
+ */
+int
+fluid_synth_noteoff(fluid_synth_t *synth, int chan, int key)
+{
+    int result;
+    fluid_return_val_if_fail(key >= 0 && key <= 127, FLUID_FAILED);
+    FLUID_API_ENTRY_CHAN(FLUID_FAILED);
+
+    /* Allowed only on MIDI channel enabled */
+    FLUID_API_RETURN_IF_CHAN_DISABLED(FLUID_FAILED);
+
+    result = fluid_synth_noteoff_LOCAL(synth, chan, key);
+    FLUID_API_RETURN(result);
+}
+
+/* Local synthesis thread variant of fluid_synth_noteoff */
+static int
+fluid_synth_noteoff_LOCAL(fluid_synth_t *synth, int chan, int key)
+{
+    int status;
+    fluid_channel_t *channel = synth->channel[chan];
+
+    if(fluid_channel_is_playing_mono(channel)) /* channel is mono or legato CC is On) */
+    {
+        /* play the noteOff in monophonic */
+        status = fluid_synth_noteoff_mono_LOCAL(synth, chan, key);
+    }
+    else
+    {
+        /* channel is poly and legato CC is Off) */
+        /* removes the note from the monophonic list */
+        if(channel->n_notes && key == fluid_channel_last_note(channel))
+        {
+            fluid_channel_clear_monolist(channel);
+        }
+
+        status = fluid_synth_noteoff_monopoly(synth, chan, key, 0);
+    }
+
+    /* Changes the state (Valid/Invalid) of the most recent note played in a
+       staccato manner */
+    fluid_channel_invalid_prev_note_staccato(channel);
+    return status;
+}
+
+/* Damps voices on a channel (turn notes off), if they're sustained by
+   sustain pedal */
+static int
+fluid_synth_damp_voices_by_sustain_LOCAL(fluid_synth_t *synth, int chan)
+{
+    fluid_channel_t *channel = synth->channel[chan];
+    fluid_voice_t *voice;
+    int i;
+
+    for(i = 0; i < synth->polyphony; i++)
+    {
+        voice = synth->voice[i];
+
+        if((fluid_voice_get_channel(voice) == chan) && fluid_voice_is_sustained(voice))
+        {
+            if(voice->key == channel->key_mono_sustained)
+            {
+                /* key_mono_sustained is a possible mono note sustainted
+                (by sustain or sostenuto pedal). It must be marked released
+                (INVALID_NOTE) here because it is released only by sustain pedal */
+                channel->key_mono_sustained = INVALID_NOTE;
+            }
+
+            fluid_voice_release(voice);
+        }
+    }
+
+    return FLUID_OK;
+}
+
+/* Damps voices on a channel (turn notes off), if they're sustained by
+   sostenuto pedal */
+static int
+fluid_synth_damp_voices_by_sostenuto_LOCAL(fluid_synth_t *synth, int chan)
+{
+    fluid_channel_t *channel = synth->channel[chan];
+    fluid_voice_t *voice;
+    int i;
+
+    for(i = 0; i < synth->polyphony; i++)
+    {
+        voice = synth->voice[i];
+
+        if((fluid_voice_get_channel(voice) == chan) && fluid_voice_is_sostenuto(voice))
+        {
+            if(voice->key == channel->key_mono_sustained)
+            {
+                /* key_mono_sustained is a possible mono note sustainted
+                (by sustain or sostenuto pedal). It must be marked released
+                (INVALID_NOTE) here because it is released only by sostenuto pedal */
+                channel->key_mono_sustained = INVALID_NOTE;
+            }
+
+            fluid_voice_release(voice);
+        }
+    }
+
+    return FLUID_OK;
+}
+
+/**
+ * Adds the specified modulator \c mod as default modulator to the synth. \c mod will
+ * take effect for any subsequently created voice.
+ * @param synth FluidSynth instance
+ * @param mod Modulator info (values copied, passed in object can be freed immediately afterwards)
+ * @param mode Determines how to handle an existing identical modulator (#fluid_synth_add_mod)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ *
+ * @note Not realtime safe (due to internal memory allocation) and therefore should not be called
+ * from synthesis context at the risk of stalling audio output.
+ */
+int
+fluid_synth_add_default_mod(fluid_synth_t *synth, const fluid_mod_t *mod, int mode)
+{
+    fluid_mod_t *default_mod;
+    fluid_mod_t *last_mod = NULL;
+    fluid_mod_t *new_mod;
+
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(mod != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail((mode == FLUID_SYNTH_ADD) || (mode == FLUID_SYNTH_OVERWRITE) , FLUID_FAILED);
+
+    /* Checks if modulators sources are valid */
+    if(!fluid_mod_check_sources(mod, "api fluid_synth_add_default_mod mod"))
+    {
+        return FLUID_FAILED;
+    }
+
+    fluid_synth_api_enter(synth);
+
+    default_mod = synth->default_mod;
+
+    while(default_mod != NULL)
+    {
+        if(fluid_mod_test_identity(default_mod, mod))
+        {
+            if(mode == FLUID_SYNTH_ADD)
+            {
+                default_mod->amount += mod->amount;
+            }
+            else // mode == FLUID_SYNTH_OVERWRITE
+            {
+                default_mod->amount = mod->amount;
+            }
+
+            FLUID_API_RETURN(FLUID_OK);
+        }
+
+        last_mod = default_mod;
+        default_mod = default_mod->next;
+    }
+
+    /* Add a new modulator (no existing modulator to add / overwrite). */
+    new_mod = new_fluid_mod();
+
+    if(new_mod == NULL)
+    {
+        FLUID_API_RETURN(FLUID_FAILED);
+    }
+
+    fluid_mod_clone(new_mod, mod);
+    new_mod->next = NULL;
+
+    if(last_mod == NULL)
+    {
+        synth->default_mod = new_mod;
+    }
+    else
+    {
+        last_mod->next = new_mod;
+    }
+
+    FLUID_API_RETURN(FLUID_OK);
+}
+
+/**
+ * Removes the specified modulator \c mod from the synth's default modulator list.
+ * fluid_mod_test_identity() will be used to test modulator matching.
+ * @param synth synth instance
+ * @param mod The modulator to remove
+ * @return #FLUID_OK if a matching modulator was found and successfully removed, #FLUID_FAILED otherwise
+ *
+ * @note Not realtime safe (due to internal memory freeing) and therefore should not be called
+ * from synthesis context at the risk of stalling audio output.
+ */
+int
+fluid_synth_remove_default_mod(fluid_synth_t *synth, const fluid_mod_t *mod)
+{
+    fluid_mod_t *default_mod;
+    fluid_mod_t *last_mod;
+
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(mod != NULL, FLUID_FAILED);
+    fluid_synth_api_enter(synth);
+
+    last_mod = default_mod = synth->default_mod;
+
+    while(default_mod != NULL)
+    {
+        if(fluid_mod_test_identity(default_mod, mod))
+        {
+            if(synth->default_mod == default_mod)
+            {
+                synth->default_mod = default_mod->next;
+            }
+            else
+            {
+                last_mod->next = default_mod->next;
+            }
+
+            delete_fluid_mod(default_mod);
+            FLUID_API_RETURN(FLUID_OK);
+        }
+
+        last_mod = default_mod;
+        default_mod = default_mod->next;
+    }
+
+    FLUID_API_RETURN(FLUID_FAILED);
+}
+
+
+/**
+ * Send a MIDI controller event on a MIDI channel.
+ * 
+ * Most CCs are 7-bits wide in FluidSynth. There are a few exceptions which may be 14-bits wide as are documented here:
+ * https://github.com/FluidSynth/fluidsynth/wiki/FluidFeatures#midi-control-cha...
+ * 
+ * @param synth FluidSynth instance
+ * @param chan MIDI channel number (0 to MIDI channel count - 1)
+ * @param num MIDI controller number (0-127)
+ * @param val MIDI controller value (0-127)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ * @note This function supports MIDI Global Controllers which will be sent to
+ * all channels of the basic channel if this basic channel is in mode OmniOff/Mono.
+ * This is accomplished by sending the CC one MIDI channel below the basic
+ * channel of the receiver.
+ * Examples: let a synthesizer with 16 MIDI channels:
+ * - Let a basic channel 7 in mode 3 (Omni Off, Mono). If MIDI channel 6 is disabled it
+ *    could be used as CC global for all channels belonging to basic channel 7.
+ * - Let a basic channel 0 in mode 3. If MIDI channel 15  is disabled it could be used
+ *   as CC global for all channels belonging to basic channel 0.
+ * @warning Contrary to the MIDI Standard, this function does not clear LSB controllers,
+ * when MSB controllers are received.
+ */
+int
+fluid_synth_cc(fluid_synth_t *synth, int chan, int num, int val)
+{
+    int result = FLUID_FAILED;
+    fluid_channel_t *channel;
+    fluid_return_val_if_fail(num >= 0 && num <= 127, FLUID_FAILED);
+    fluid_return_val_if_fail(val >= 0 && val <= 127, FLUID_FAILED);
+    FLUID_API_ENTRY_CHAN(FLUID_FAILED);
+
+    channel = synth->channel[chan];
+
+    if(channel->mode &  FLUID_CHANNEL_ENABLED)
+    {
+        /* chan is enabled */
+        if(synth->verbose)
+        {
+            FLUID_LOG(FLUID_INFO, "cc\t%d\t%d\t%d", chan, num, val);
+        }
+
+        fluid_channel_set_cc(channel, num, val);
+        result = fluid_synth_cc_LOCAL(synth, chan, num);
+    }
+    else /* chan is disabled so it is a candidate for global channel */
+    {
+        /* looks for next basic channel */
+        int n_chan = synth->midi_channels; /* MIDI Channels number */
+        int basicchan ;
+
+        if(chan < n_chan - 1)
+        {
+            basicchan = chan + 1;    /* next channel */
+        }
+        else
+        {
+            basicchan = 0;    /* wrap to 0 */
+        }
+
+        channel = synth->channel[basicchan];
+
+        /* Channel must be a basicchan in mode OMNIOFF_MONO */
+        if((channel->mode &  FLUID_CHANNEL_BASIC) &&
+                ((channel->mode & FLUID_CHANNEL_MODE_MASK) == FLUID_CHANNEL_MODE_OMNIOFF_MONO))
+        {
+            /* sends cc to all channels in this basic channel */
+            int i, nbr = channel->mode_val;
+
+            for(i = basicchan; i < basicchan + nbr; i++)
+            {
+                if(synth->verbose)
+                {
+                    FLUID_LOG(FLUID_INFO, "cc\t%d\t%d\t%d", i, num, val);
+                }
+
+                fluid_channel_set_cc(synth->channel[i], num, val);
+                result = fluid_synth_cc_LOCAL(synth, i, num);
+            }
+        }
+        /* The channel chan is not a valid 'global channel' */
+        else
+        {
+            result = FLUID_FAILED;
+        }
+    }
+
+    FLUID_API_RETURN(result);
+}
+
+/* Local synthesis thread variant of MIDI CC set function.
+ Most of CC are allowed to modulate but not all. A comment describes if CC num
+ isn't allowed to modulate.
+ Following explanations should help to understand both MIDI specifications and
+ Soundfont specifications in regard to MIDI specs.
+
+ MIDI specs:
+ CC LSB (32 to 63) are LSB contributions to CC MSB (0 to 31).
+ It's up to the synthesizer to decide to take LSB values into account or not.
+ Actually Fluidsynth doesn't use CC LSB value inside fluid_voice_update_param()
+ (once fluid_voice_modulate() has been triggered). This is because actually
+ fluidsynth needs only 7 bits resolution (and not 14 bits) from these CCs.
+ So fluidsynth is using only 7 bit MSB (except for portamento time).
+ In regard to MIDI specs Fluidsynth behaves correctly.
+
+ Soundfont specs 2.01 - 8.2.1:
+ To deal correctly with MIDI CC (regardless if any synth will use CC MSB alone (7 bit)
+ or both CCs MSB,LSB (14 bits) during synthesis), SF specs recommend not making use of
+ CC LSB (i.e only CC MSB) in modulator sources to trigger modulation (i.e modulators
+ with CC LSB connected to sources inputs should be ignored).
+ These specifics are particularly suited for synths that use 14 bits CCs. In this case,
+ the MIDI transmitter sends CC LSB first followed by CC MSB. The MIDI synth receives
+ both CC LSB and CC MSB but only CC MSB will trigger the modulation.
+ This will produce correct synthesis parameters update from a correct 14 bits CC.
+ If in SF specs, modulator sources with CC LSB had been accepted, both CC LSB and
+ CC MSB will triggers 2 modulations. This leads to incorrect synthesis parameters
+ update followed by correct synthesis parameters update.
+
+ However, as long as fluidsynth will use only CC 7 bits resolution, it is safe to ignore
+ these SF recommendations on CC receive.
+*/
+static int
+fluid_synth_cc_LOCAL(fluid_synth_t *synth, int channum, int num)
+{
+    fluid_channel_t *chan = synth->channel[channum];
+    int nrpn_select;
+    int value;
+
+    value = fluid_channel_get_cc(chan, num);
+
+    switch(num)
+    {
+    case LOCAL_CONTROL: /* not allowed to modulate (spec SF 2.01 - 8.2.1) */
+        break;
+
+    /* CC omnioff, omnion, mono, poly */
+    /* not allowed to modulate (spec SF 2.01 - 8.2.1) */
+    case POLY_OFF:
+    case POLY_ON:
+    case OMNI_OFF:
+    case OMNI_ON:
+
+        /* allowed only if channum is a basic channel */
+        if(chan->mode &  FLUID_CHANNEL_BASIC)
+        {
+            /* Construction of new_mode from current channel mode and this CC mode */
+            int new_mode = chan->mode & FLUID_CHANNEL_MODE_MASK;
+
+            switch(num)
+            {
+            case POLY_OFF:
+                new_mode |= FLUID_CHANNEL_POLY_OFF;
+                break;
+
+            case POLY_ON:
+                new_mode &= ~FLUID_CHANNEL_POLY_OFF;
+                break;
+
+            case OMNI_OFF:
+                new_mode |= FLUID_CHANNEL_OMNI_OFF;
+                break;
+
+            case OMNI_ON:
+                new_mode &= ~FLUID_CHANNEL_OMNI_OFF;
+                break;
+
+            default: /* should never happen */
+                return FLUID_FAILED;
+            }
+
+            /* MIDI specs: if value is 0 it means all channels from channum to next
+                basic channel minus 1 (if any) or to MIDI channel count minus 1.
+                However, if value is > 0 (e.g. 4), the group of channels will be be
+                limited to 4.
+            	value is ignored for #FLUID_CHANNEL_MODE_OMNIOFF_POLY as this mode
+                implies a group of only one channel.
+            */
+            /* Checks value range and changes this existing basic channel group */
+            value = fluid_synth_check_next_basic_channel(synth, channum, new_mode, value);
+
+            if(value != FLUID_FAILED)
+            {
+                /* reset the current basic channel before changing it */
+                fluid_synth_reset_basic_channel_LOCAL(synth, channum, chan->mode_val);
+                fluid_synth_set_basic_channel_LOCAL(synth, channum, new_mode, value);
+                break; /* FLUID_OK */
+            }
+        }
+
+        return FLUID_FAILED;
+
+    case LEGATO_SWITCH: /* not allowed to modulate */
+        /* handles Poly/mono commutation on Legato pedal On/Off.*/
+        fluid_channel_cc_legato(chan, value);
+        break;
+
+    case PORTAMENTO_SWITCH: /* not allowed to modulate */
+        /* Special handling of the monophonic list  */
+        /* Invalids the most recent note played in a staccato manner */
+        fluid_channel_invalid_prev_note_staccato(chan);
+        break;
+
+    case SUSTAIN_SWITCH: /* not allowed to modulate */
+
+        /* Release voices if Sustain switch is released */
+        if(value < 64)  /* Sustain is released */
+        {
+            fluid_synth_damp_voices_by_sustain_LOCAL(synth, channum);
+        }
+
+        break;
+
+    case SOSTENUTO_SWITCH: /* not allowed to modulate */
+
+        /* Release voices if Sostetuno switch is released */
+        if(value < 64)  /* Sostenuto is released */
+        {
+            fluid_synth_damp_voices_by_sostenuto_LOCAL(synth, channum);
+        }
+        else /* Sostenuto is depressed */
+            /* Update sostenuto order id when pedaling on Sostenuto */
+        {
+            chan->sostenuto_orderid = synth->noteid; /* future voice id value */
+        }
+
+        break;
+
+    case BANK_SELECT_MSB: /* not allowed to modulate (spec SF 2.01 - 8.2.1) */
+        fluid_channel_set_bank_msb(chan, value & 0x7F);
+        break;
+
+    case BANK_SELECT_LSB: /* not allowed to modulate (spec SF 2.01 - 8.2.1) */
+        fluid_channel_set_bank_lsb(chan, value & 0x7F);
+        break;
+
+    case ALL_NOTES_OFF: /* not allowed to modulate (spec SF 2.01 - 8.2.1) */
+        fluid_synth_all_notes_off_LOCAL(synth, channum);
+        break;
+
+    case ALL_SOUND_OFF: /* not allowed to modulate (spec SF 2.01 - 8.2.1) */
+        fluid_synth_all_sounds_off_LOCAL(synth, channum);
+        break;
+
+    case ALL_CTRL_OFF: /* not allowed to modulate (spec SF 2.01 - 8.2.1) */
+        fluid_channel_init_ctrl(chan, 1);
+        // the hold pedals have been reset, we maybe need to release voices
+        fluid_synth_damp_voices_by_sustain_LOCAL(synth, channum);
+        fluid_synth_damp_voices_by_sostenuto_LOCAL(synth, channum);
+        fluid_synth_modulate_voices_all_LOCAL(synth, channum);
+        break;
+
+    case DATA_ENTRY_LSB: /* not allowed to modulate (spec SF 2.01 - 8.2.1) */
+        break;
+
+    case DATA_ENTRY_MSB: /* not allowed to modulate (spec SF 2.01 - 8.2.1) */
+    {
+        int data = (value << 7) + fluid_channel_get_cc(chan, DATA_ENTRY_LSB);
+
+        if(chan->nrpn_active)   /* NRPN is active? */
+        {
+            /* SontFont 2.01 NRPN Message (Sect. 9.6, p. 74)  */
+            if((fluid_channel_get_cc(chan, NRPN_MSB) == 120)
+                    && (fluid_channel_get_cc(chan, NRPN_LSB) < 100))
+            {
+                nrpn_select = chan->nrpn_select;
+
+                if(nrpn_select < GEN_LAST)
+                {
+                    float val = fluid_gen_scale_nrpn(nrpn_select, data);
+                    fluid_synth_set_gen_LOCAL(synth, channum, nrpn_select, val);
+                }
+
+                chan->nrpn_select = 0;  /* Reset to 0 */
+            }
+        }
+        else if(fluid_channel_get_cc(chan, RPN_MSB) == 0)      /* RPN is active: MSB = 0? */
+        {
+            switch(fluid_channel_get_cc(chan, RPN_LSB))
+            {
+            case RPN_PITCH_BEND_RANGE:    /* Set bend range in semitones */
+                fluid_channel_set_pitch_wheel_sensitivity(synth->channel[channum], value);
+                fluid_synth_update_pitch_wheel_sens_LOCAL(synth, channum);    /* Update bend range */
+                /* FIXME - Handle LSB? (Fine bend range in cents) */
+                break;
+
+            case RPN_CHANNEL_FINE_TUNE:   /* Fine tune is 14 bit over +/-1 semitone (+/- 100 cents, 8192 = center) */
+                fluid_synth_set_gen_LOCAL(synth, channum, GEN_FINETUNE,
+                                          (float)(data - 8192) * (100.0f / 8192.0f));
+                break;
+
+            case RPN_CHANNEL_COARSE_TUNE: /* Coarse tune is 7 bit and in semitones (64 is center) */
+                fluid_synth_set_gen_LOCAL(synth, channum, GEN_COARSETUNE,
+                                          value - 64);
+                break;
+
+            case RPN_TUNING_PROGRAM_CHANGE:
+                fluid_channel_set_tuning_prog(chan, value);
+                fluid_synth_activate_tuning(synth, channum,
+                                            fluid_channel_get_tuning_bank(chan),
+                                            value, TRUE);
+                break;
+
+            case RPN_TUNING_BANK_SELECT:
+                fluid_channel_set_tuning_bank(chan, value);
+                break;
+
+            case RPN_MODULATION_DEPTH_RANGE:
+                break;
+            }
+        }
+
+        break;
+    }
+
+    case NRPN_MSB: /* not allowed to modulate (spec SF 2.01 - 8.2.1) */
+        fluid_channel_set_cc(chan, NRPN_LSB, 0);
+        chan->nrpn_select = 0;
+        chan->nrpn_active = 1;
+        break;
+
+    case NRPN_LSB: /* not allowed to modulate (spec SF 2.01 - 8.2.1) */
+
+        /* SontFont 2.01 NRPN Message (Sect. 9.6, p. 74)  */
+        if(fluid_channel_get_cc(chan, NRPN_MSB) == 120)
+        {
+            if(value == 100)
+            {
+                chan->nrpn_select += 100;
+            }
+            else if(value == 101)
+            {
+                chan->nrpn_select += 1000;
+            }
+            else if(value == 102)
+            {
+                chan->nrpn_select += 10000;
+            }
+            else if(value < 100)
+            {
+                chan->nrpn_select += value;
+            }
+        }
+
+        chan->nrpn_active = 1;
+        break;
+
+    case RPN_MSB: /* not allowed to modulate (spec SF 2.01 - 8.2.1) */
+    case RPN_LSB: /* not allowed to modulate (spec SF 2.01 - 8.2.1) */
+        chan->nrpn_active = 0;
+        break;
+
+    case BREATH_MSB:
+        /* handles CC Breath On/Off noteOn/noteOff mode */
+        fluid_channel_cc_breath_note_on_off(chan, value);
+
+    /* fall-through */
+    default:
+        /* CC lsb shouldn't allowed to modulate (spec SF 2.01 - 8.2.1) */
+        /* However, as long fluidsynth will use only CC 7 bits resolution, it
+           is safe to ignore these SF recommendations on CC receive. See
+           explanations above */
+        /* if (! (32 <= num && num <= 63)) */
+        {
+            return fluid_synth_modulate_voices_LOCAL(synth, channum, 1, num);
+        }
+    }
+
+    return FLUID_OK;
+}
+
+/**
+ * Get current MIDI controller value on a MIDI channel.
+ * @param synth FluidSynth instance
+ * @param chan MIDI channel number (0 to MIDI channel count - 1)
+ * @param num MIDI controller number (0-127)
+ * @param pval Location to store MIDI controller value (0-127)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ */
+int
+fluid_synth_get_cc(fluid_synth_t *synth, int chan, int num, int *pval)
+{
+    fluid_return_val_if_fail(num >= 0 && num < 128, FLUID_FAILED);
+    fluid_return_val_if_fail(pval != NULL, FLUID_FAILED);
+
+    FLUID_API_ENTRY_CHAN(FLUID_FAILED);
+
+    /* Allowed only on MIDI channel enabled */
+    FLUID_API_RETURN_IF_CHAN_DISABLED(FLUID_FAILED);
+
+    *pval = fluid_channel_get_cc(synth->channel[chan], num);
+    FLUID_API_RETURN(FLUID_OK);
+}
+
+/*
+ * Handler for synth.device-id setting.
+ */
+static void
+fluid_synth_handle_device_id(void *data, const char *name, int value)
+{
+    fluid_synth_t *synth = (fluid_synth_t *)data;
+    fluid_return_if_fail(synth != NULL);
+
+    fluid_synth_api_enter(synth);
+    synth->device_id = value;
+    fluid_synth_api_exit(synth);
+}
+
+/**
+ * Process a MIDI SYSEX (system exclusive) message.
+ * @param synth FluidSynth instance
+ * @param data Buffer containing SYSEX data (not including 0xF0 and 0xF7)
+ * @param len Length of data in buffer
+ * @param response Buffer to store response to or NULL to ignore
+ * @param response_len IN/OUT parameter, in: size of response buffer, out:
+ *   amount of data written to response buffer (if #FLUID_FAILED is returned and
+ *   this value is non-zero, it indicates the response buffer is too small)
+ * @param handled Optional location to store boolean value if message was
+ *   recognized and handled or not (set to TRUE if it was handled)
+ * @param dryrun TRUE to just do a dry run but not actually execute the SYSEX
+ *   command (useful for checking if a SYSEX message would be handled)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ * @since 1.1.0
+ * @note When Fluidsynth receives an XG System Mode ON message, it compares the @p synth 's deviceID
+ * directly with the deviceID of the SysEx message. This is contrary to the XG spec (page 42), which
+ * requires to only compare the lower nibble. However, following the XG spec seems to break drum channels
+ * for a lot of MIDI files out there and therefore we've decided for this customization. If you rely on
+ * XG System Mode ON messages, make sure to set the setting \ref settings_synth_device-id to match the
+ * deviceID provided in the SysEx message (in most cases, this will be <code>deviceID=16</code>).
+ *
+ * @code
+ * SYSEX format (0xF0 and 0xF7 bytes shall not be passed to this function):
+ * Non-realtime:    0xF0   0x7E      <DeviceId> [BODY] 0xF7
+ * Realtime:        0xF0   0x7F      <DeviceId> [BODY] 0xF7
+ * Tuning messages: 0xF0   0x7E/0x7F <DeviceId> 0x08 <sub ID2> [BODY] <ChkSum> 0xF7
+ * GS DT1 messages: 0xF0   0x41      <DeviceId> 0x42 0x12 [ADDRESS (3 bytes)] [DATA] <ChkSum> 0xF7
+ * @endcode
+ */
+int
+fluid_synth_sysex(fluid_synth_t *synth, const char *data, int len,
+                  char *response, int *response_len, int *handled, int dryrun)
+{
+    int avail_response = 0;
+
+    if(handled)
+    {
+        *handled = FALSE;
+    }
+
+    if(response_len)
+    {
+        avail_response = *response_len;
+        *response_len = 0;
+    }
+
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(data != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(len > 0, FLUID_FAILED);
+    fluid_return_val_if_fail(!response || response_len, FLUID_FAILED);
+
+    if(len < 4)
+    {
+        return FLUID_OK;
+    }
+
+    /* MIDI tuning SYSEX message? */
+    if((data[0] == MIDI_SYSEX_UNIV_NON_REALTIME || data[0] == MIDI_SYSEX_UNIV_REALTIME)
+            && (data[1] == synth->device_id || data[1] == MIDI_SYSEX_DEVICE_ID_ALL || synth->device_id == MIDI_SYSEX_DEVICE_ID_ALL)
+            && data[2] == MIDI_SYSEX_MIDI_TUNING_ID)
+    {
+        int result;
+        fluid_synth_api_enter(synth);
+        result = fluid_synth_sysex_midi_tuning(synth, data, len, response,
+                                               response_len, avail_response,
+                                               handled, dryrun);
+
+        FLUID_API_RETURN(result);
+    }
+
+    /* GM or GM2 system on */
+    if(data[0] == MIDI_SYSEX_UNIV_NON_REALTIME
+            && (data[1] == synth->device_id || data[1] == MIDI_SYSEX_DEVICE_ID_ALL || synth->device_id == MIDI_SYSEX_DEVICE_ID_ALL)
+            && data[2] == MIDI_SYSEX_GM_ID)
+    {
+        if(handled)
+        {
+            *handled = TRUE;
+        }
+        if(!dryrun && (data[3] == MIDI_SYSEX_GM_ON
+                || data[3] == MIDI_SYSEX_GM2_ON))
+        {
+            int result;
+            synth->bank_select = FLUID_BANK_STYLE_GM;
+            fluid_synth_api_enter(synth);
+            result = fluid_synth_system_reset_LOCAL(synth);
+            FLUID_API_RETURN(result);
+        }
+        return FLUID_OK;
+    }
+
+    /* GS DT1 message */
+    if(data[0] == MIDI_SYSEX_MANUF_ROLAND
+            && (data[1] == synth->device_id || data[1] == MIDI_SYSEX_DEVICE_ID_ALL || synth->device_id == MIDI_SYSEX_DEVICE_ID_ALL)
+            && data[2] == MIDI_SYSEX_GS_ID
+            && data[3] == MIDI_SYSEX_GS_DT1)
+    {
+        int result;
+        fluid_synth_api_enter(synth);
+        result = fluid_synth_sysex_gs_dt1(synth, data, len, response,
+                                          response_len, avail_response,
+                                          handled, dryrun);
+        FLUID_API_RETURN(result);
+    }
+
+    /* XG message */
+    if(data[0] == MIDI_SYSEX_MANUF_YAMAHA
+            && (data[1] == synth->device_id || data[1] == MIDI_SYSEX_DEVICE_ID_ALL || synth->device_id == MIDI_SYSEX_DEVICE_ID_ALL)
+            && data[2] == MIDI_SYSEX_XG_ID)
+    {
+        int result;
+        fluid_synth_api_enter(synth);
+        result = fluid_synth_sysex_xg(synth, data, len, response,
+                                      response_len, avail_response,
+                                      handled, dryrun);
+        FLUID_API_RETURN(result);
+    }
+
+    return FLUID_OK;
+}
+
+/* Handler for MIDI tuning SYSEX messages */
+static int
+fluid_synth_sysex_midi_tuning(fluid_synth_t *synth, const char *data, int len,
+                              char *response, int *response_len, int avail_response,
+                              int *handled, int dryrun)
+{
+    int realtime, msgid;
+    int bank = 0, prog, channels;
+    double tunedata[128];
+    int keys[128];
+    char name[17]={0};
+    int note, frac, frac2;
+    uint8_t chksum;
+    int i, count, index;
+    const char *dataptr;
+    char *resptr;;
+
+    realtime = data[0] == MIDI_SYSEX_UNIV_REALTIME;
+    msgid = data[3];
+
+    switch(msgid)
+    {
+    case MIDI_SYSEX_TUNING_BULK_DUMP_REQ:
+    case MIDI_SYSEX_TUNING_BULK_DUMP_REQ_BANK:
+        if(data[3] == MIDI_SYSEX_TUNING_BULK_DUMP_REQ)
+        {
+            if(len != 5 || data[4] & 0x80 || !response)
+            {
+                return FLUID_OK;
+            }
+
+            *response_len = 406;
+            prog = data[4];
+        }
+        else
+        {
+            if(len != 6 || data[4] & 0x80 || data[5] & 0x80 || !response)
+            {
+                return FLUID_OK;
+            }
+
+            *response_len = 407;
+            bank = data[4];
+            prog = data[5];
+        }
+
+        if(dryrun)
+        {
+            if(handled)
+            {
+                *handled = TRUE;
+            }
+
+            return FLUID_OK;
+        }
+
+        if(avail_response < *response_len)
+        {
+            return FLUID_FAILED;
+        }
+
+        /* Get tuning data, return if tuning not found */
+        if(fluid_synth_tuning_dump(synth, bank, prog, name, 17, tunedata) == FLUID_FAILED)
+        {
+            *response_len = 0;
+            return FLUID_OK;
+        }
+
+        resptr = response;
+
+        *resptr++ = MIDI_SYSEX_UNIV_NON_REALTIME;
+        *resptr++ = synth->device_id;
+        *resptr++ = MIDI_SYSEX_MIDI_TUNING_ID;
+        *resptr++ = MIDI_SYSEX_TUNING_BULK_DUMP;
+
+        if(msgid == MIDI_SYSEX_TUNING_BULK_DUMP_REQ_BANK)
+        {
+            *resptr++ = bank;
+        }
+
+        *resptr++ = prog;
+        /* copy 16 ASCII characters (potentially not null terminated) to the sysex buffer */
+        FLUID_MEMCPY(resptr, name, 16);
+        resptr += 16;
+
+        for(i = 0; i < 128; i++)
+        {
+            note = tunedata[i] / 100.0;
+            fluid_clip(note, 0, 127);
+
+            frac = ((tunedata[i] - note * 100.0) * 16384.0 + 50.0) / 100.0;
+            fluid_clip(frac, 0, 16383);
+
+            *resptr++ = note;
+            *resptr++ = frac >> 7;
+            *resptr++ = frac & 0x7F;
+        }
+
+        if(msgid == MIDI_SYSEX_TUNING_BULK_DUMP_REQ)
+        {
+            /* NOTE: Checksum is not as straight forward as the bank based messages */
+            chksum = MIDI_SYSEX_UNIV_NON_REALTIME ^ MIDI_SYSEX_MIDI_TUNING_ID
+                     ^ MIDI_SYSEX_TUNING_BULK_DUMP ^ prog;
+
+            for(i = 21; i < 128 * 3 + 21; i++)
+            {
+                chksum ^= response[i];
+            }
+        }
+        else
+        {
+            for(i = 1, chksum = 0; i < 406; i++)
+            {
+                chksum ^= response[i];
+            }
+        }
+
+        *resptr++ = chksum & 0x7F;
+
+        if(handled)
+        {
+            *handled = TRUE;
+        }
+
+        break;
+
+    case MIDI_SYSEX_TUNING_NOTE_TUNE:
+    case MIDI_SYSEX_TUNING_NOTE_TUNE_BANK:
+        dataptr = data + 4;
+
+        if(msgid == MIDI_SYSEX_TUNING_NOTE_TUNE)
+        {
+            if(len < 10 || data[4] & 0x80 || data[5] & 0x80 || len != data[5] * 4 + 6)
+            {
+                return FLUID_OK;
+            }
+        }
+        else
+        {
+            if(len < 11 || data[4] & 0x80 || data[5] & 0x80 || data[6] & 0x80
+                    || len != data[6] * 4 + 7)
+            {
+                return FLUID_OK;
+            }
+
+            bank = *dataptr++;
+        }
+
+        if(dryrun)
+        {
+            if(handled)
+            {
+                *handled = TRUE;
+            }
+
+            return FLUID_OK;
+        }
+
+        prog = *dataptr++;
+        count = *dataptr++;
+
+        for(i = 0, index = 0; i < count; i++)
+        {
+            note = *dataptr++;
+
+            if(note & 0x80)
+            {
+                return FLUID_OK;
+            }
+
+            keys[index] = note;
+
+            note = *dataptr++;
+            frac = *dataptr++;
+            frac2 = *dataptr++;
+
+            if(note & 0x80 || frac & 0x80 || frac2 & 0x80)
+            {
+                return FLUID_OK;
+            }
+
+            frac = frac << 7 | frac2;
+
+            /* No change pitch value?  Doesn't really make sense to send that, but.. */
+            if(note == 0x7F && frac == 16383)
+            {
+                continue;
+            }
+
+            tunedata[index] = note * 100.0 + (frac * 100.0 / 16384.0);
+            index++;
+        }
+
+        if(index > 0)
+        {
+            if(fluid_synth_tune_notes(synth, bank, prog, index, keys, tunedata,
+                                      realtime) == FLUID_FAILED)
+            {
+                return FLUID_FAILED;
+            }
+        }
+
+        if(handled)
+        {
+            *handled = TRUE;
+        }
+
+        break;
+
+    case MIDI_SYSEX_TUNING_OCTAVE_TUNE_1BYTE:
+    case MIDI_SYSEX_TUNING_OCTAVE_TUNE_2BYTE:
+        if((msgid == MIDI_SYSEX_TUNING_OCTAVE_TUNE_1BYTE && len != 19)
+                || (msgid == MIDI_SYSEX_TUNING_OCTAVE_TUNE_2BYTE && len != 31))
+        {
+            return FLUID_OK;
+        }
+
+        if(data[4] & 0x80 || data[5] & 0x80 || data[6] & 0x80)
+        {
+            return FLUID_OK;
+        }
+
+        if(dryrun)
+        {
+            if(handled)
+            {
+                *handled = TRUE;
+            }
+
+            return FLUID_OK;
+        }
+
+        channels = (data[4] & 0x03) << 14 | data[5] << 7 | data[6];
+
+        if(msgid == MIDI_SYSEX_TUNING_OCTAVE_TUNE_1BYTE)
+        {
+            for(i = 0; i < 12; i++)
+            {
+                frac = data[i + 7];
+
+                if(frac & 0x80)
+                {
+                    return FLUID_OK;
+                }
+
+                tunedata[i] = (int)frac - 64;
+            }
+        }
+        else
+        {
+            for(i = 0; i < 12; i++)
+            {
+                frac = data[i * 2 + 7];
+                frac2 = data[i * 2 + 8];
+
+                if(frac & 0x80 || frac2 & 0x80)
+                {
+                    return FLUID_OK;
+                }
+
+                tunedata[i] = (((int)frac << 7 | (int)frac2) - 8192) * (200.0 / 16384.0);
+            }
+        }
+
+        if(fluid_synth_activate_octave_tuning(synth, 0, 0, "SYSEX",
+                                              tunedata, realtime) == FLUID_FAILED)
+        {
+            return FLUID_FAILED;
+        }
+
+        if(channels)
+        {
+            for(i = 0; i < 16; i++)
+            {
+                if(channels & (1 << i))
+                {
+                    fluid_synth_activate_tuning(synth, i, 0, 0, realtime);
+                }
+            }
+        }
+
+        if(handled)
+        {
+            *handled = TRUE;
+        }
+
+        break;
+    }
+
+    return FLUID_OK;
+}
+
+/* Handler for GS DT1 messages */
+static int
+fluid_synth_sysex_gs_dt1(fluid_synth_t *synth, const char *data, int len,
+                              char *response, int *response_len, int avail_response,
+                              int *handled, int dryrun)
+{
+    int addr;
+    int len_data;
+    int checksum = 0, i;
+
+    if(len < 9) // at least one byte of data should be transmitted
+    {
+        FLUID_LOG(FLUID_INFO, "SysEx DT1: message too short, dropping it.");
+        return FLUID_FAILED;
+    }
+    len_data = len - 8;
+    addr = (data[4] << 16) | (data[5] << 8) | data[6];
+
+    for (i = 4; i < len - 1; ++i)
+    {
+        checksum += data[i];
+    }
+    checksum = 0x80 - (checksum & 0x7F);
+    if (checksum != data[len - 1])
+    {
+        FLUID_LOG(FLUID_INFO, "SysEx DT1: dropping message on addr 0x%x due to incorrect checksum 0x%x. Correct checksum: 0x%x", addr, (int)data[len - 1], checksum);
+        return FLUID_FAILED;
+    }
+
+    if (addr == 0x40007F) // Mode set
+    {
+        if (len_data > 1 || (data[7] != 0 && data[7] != 0x7f))
+        {
+            FLUID_LOG(FLUID_INFO, "SysEx DT1: dropping invalid mode set message");
+            return FLUID_FAILED;
+        }
+        if (handled)
+        {
+            *handled = TRUE;
+        }
+        if (!dryrun)
+        {
+            if (data[7] == 0)
+            {
+                synth->bank_select = FLUID_BANK_STYLE_GS;
+            }
+            else
+            {
+                synth->bank_select = FLUID_BANK_STYLE_GM;
+            }
+            return fluid_synth_system_reset_LOCAL(synth);
+        }
+        return FLUID_OK;
+    }
+
+    if (synth->bank_select != FLUID_BANK_STYLE_GS)
+    {
+        return FLUID_OK; // Silently ignore all other messages
+    }
+
+    if ((addr & 0xFFF0FF) == 0x401015) // Use for rhythm part
+    {
+        if (len_data > 1 || data[7] > 0x02)
+        {
+            FLUID_LOG(FLUID_INFO, "SysEx DT1: dropping invalid rhythm part message");
+            return FLUID_FAILED;
+        }
+        if (handled)
+        {
+            *handled = TRUE;
+        }
+        if (!dryrun)
+        {
+            int chan = (addr >> 8) & 0x0F;
+            //See the Patch Part parameters section in SC-88Pro/8850 owner's manual
+            chan = chan >= 0x0a ? chan : (chan == 0 ? 9 : chan - 1);
+            synth->channel[chan]->channel_type =
+                data[7] == 0x00 ? CHANNEL_TYPE_MELODIC : CHANNEL_TYPE_DRUM;
+
+            FLUID_LOG(FLUID_DBG, "SysEx DT1: setting MIDI channel %d to type %d", chan, (int)synth->channel[chan]->channel_type);
+            //Roland synths seem to "remember" the last instrument a channel
+            //used in the selected mode. This behavior is not replicated here.
+            fluid_synth_program_change(synth, chan, 0);
+        }
+        return FLUID_OK;
+    }
+
+    //silently ignore
+    return FLUID_OK;
+}
+
+/* Handler for XG messages */
+static int
+fluid_synth_sysex_xg(fluid_synth_t *synth, const char *data, int len,
+                              char *response, int *response_len, int avail_response,
+                              int *handled, int dryrun)
+{
+    int addr;
+    int len_data;
+
+    if(len < 7) // at least one byte of data should be transmitted
+    {
+        return FLUID_FAILED;
+    }
+    len_data = len - 6;
+    addr = (data[3] << 16) | (data[4] << 8) | data[5];
+
+    if (addr == 0x00007E // Reset
+            || addr == 0x00007F) // Reset to factory
+    {
+        if (len_data > 1 || data[6] != 0)
+        {
+            return FLUID_FAILED;
+        }
+        if (handled)
+        {
+            *handled = TRUE;
+        }
+        if (!dryrun)
+        {
+            synth->bank_select = FLUID_BANK_STYLE_XG;
+            return fluid_synth_system_reset_LOCAL(synth);
+        }
+        return FLUID_OK;
+    }
+
+    /* No other messages handled yet
+    if (synth->bank_select != FLUID_BANK_STYLE_XG)
+    {
+        return FLUID_OK; // Silently ignore all other messages
+    }*/
+
+    //silently ignore
+    return FLUID_OK;
+}
+
+/**
+ * Turn off all voices that are playing on the given MIDI channel, by putting them into release phase.
+ * @param synth FluidSynth instance
+ * @param chan MIDI channel number (0 to MIDI channel count - 1), (chan=-1 selects all channels)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ * @since 1.1.4
+ */
+int
+fluid_synth_all_notes_off(fluid_synth_t *synth, int chan)
+{
+    int result;
+
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(chan >= -1, FLUID_FAILED);
+    fluid_synth_api_enter(synth);
+
+    if(chan >= synth->midi_channels)
+    {
+        result = FLUID_FAILED;
+    }
+    else
+    {
+        /* Allowed (even for channel disabled) as chan = -1 selects all channels */
+        result = fluid_synth_all_notes_off_LOCAL(synth, chan);
+    }
+
+    FLUID_API_RETURN(result);
+}
+
+/* Local synthesis thread variant of all notes off, (chan=-1 selects all channels) */
+//static int
+int
+fluid_synth_all_notes_off_LOCAL(fluid_synth_t *synth, int chan)
+{
+    fluid_voice_t *voice;
+    int i;
+
+    for(i = 0; i < synth->polyphony; i++)
+    {
+        voice = synth->voice[i];
+
+        if(fluid_voice_is_playing(voice) && ((-1 == chan) || (chan == fluid_voice_get_channel(voice))))
+        {
+            fluid_voice_noteoff(voice);
+        }
+    }
+
+    return FLUID_OK;
+}
+
+/**
+ * Immediately stop all voices on the given MIDI channel (skips release phase).
+ * @param synth FluidSynth instance
+ * @param chan MIDI channel number (0 to MIDI channel count - 1), (chan=-1 selects all channels)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ * @since 1.1.4
+ */
+int
+fluid_synth_all_sounds_off(fluid_synth_t *synth, int chan)
+{
+    int result;
+
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(chan >= -1, FLUID_FAILED);
+    fluid_synth_api_enter(synth);
+
+    if(chan >= synth->midi_channels)
+    {
+        result = FLUID_FAILED;
+    }
+    else
+    {
+        /* Allowed (even for channel disabled) as chan = -1 selects all channels */
+        result = fluid_synth_all_sounds_off_LOCAL(synth, chan);
+    }
+
+    FLUID_API_RETURN(result);
+}
+
+/* Local synthesis thread variant of all sounds off, (chan=-1 selects all channels) */
+static int
+fluid_synth_all_sounds_off_LOCAL(fluid_synth_t *synth, int chan)
+{
+    fluid_voice_t *voice;
+    int i;
+
+    for(i = 0; i < synth->polyphony; i++)
+    {
+        voice = synth->voice[i];
+
+        if(fluid_voice_is_playing(voice) && ((-1 == chan) || (chan == fluid_voice_get_channel(voice))))
+        {
+            fluid_voice_off(voice);
+        }
+    }
+
+    return FLUID_OK;
+}
+
+/**
+ * Reset reverb engine
+ * @param synth FluidSynth instance
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ */
+int
+fluid_synth_reset_reverb(fluid_synth_t *synth)
+{
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_synth_api_enter(synth);
+    fluid_synth_update_mixer(synth, fluid_rvoice_mixer_reset_reverb, 0, 0.0f);
+    FLUID_API_RETURN(FLUID_OK);
+}
+
+/**
+ * Reset chorus engine
+ * @param synth FluidSynth instance
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ */
+int
+fluid_synth_reset_chorus(fluid_synth_t *synth)
+{
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_synth_api_enter(synth);
+    fluid_synth_update_mixer(synth, fluid_rvoice_mixer_reset_chorus, 0, 0.0f);
+    FLUID_API_RETURN(FLUID_OK);
+}
+
+
+/**
+ * Send MIDI system reset command (big red 'panic' button), turns off notes, resets
+ * controllers and restores initial basic channel configuration.
+ * @param synth FluidSynth instance
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ */
+int
+fluid_synth_system_reset(fluid_synth_t *synth)
+{
+    int result;
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_synth_api_enter(synth);
+    result = fluid_synth_system_reset_LOCAL(synth);
+    FLUID_API_RETURN(result);
+}
+
+/* Local variant of the system reset command */
+static int
+fluid_synth_system_reset_LOCAL(fluid_synth_t *synth)
+{
+    int i;
+
+    if(synth->verbose)
+    {
+        FLUID_LOG(FLUID_INFO, "=== systemreset ===");
+    }
+
+    fluid_synth_all_sounds_off_LOCAL(synth, -1);
+
+    for(i = 0; i < synth->midi_channels; i++)
+    {
+        fluid_channel_reset(synth->channel[i]);
+    }
+
+    /* Basic channel 0, Mode Omni On Poly */
+    fluid_synth_set_basic_channel(synth, 0, FLUID_CHANNEL_MODE_OMNION_POLY,
+                                  synth->midi_channels);
+
+    fluid_synth_update_mixer(synth, fluid_rvoice_mixer_reset_reverb, 0, 0.0f);
+    fluid_synth_update_mixer(synth, fluid_rvoice_mixer_reset_chorus, 0, 0.0f);
+
+    return FLUID_OK;
+}
+
+/**
+ * Update voices on a MIDI channel after a MIDI control change.
+ * @param synth FluidSynth instance
+ * @param chan MIDI channel number (0 to MIDI channel count - 1)
+ * @param is_cc Boolean value indicating if ctrl is a CC controller or not
+ * @param ctrl MIDI controller value
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ */
+static int
+fluid_synth_modulate_voices_LOCAL(fluid_synth_t *synth, int chan, int is_cc, int ctrl)
+{
+    fluid_voice_t *voice;
+    int i;
+
+    for(i = 0; i < synth->polyphony; i++)
+    {
+        voice = synth->voice[i];
+
+        if(fluid_voice_get_channel(voice) == chan)
+        {
+            fluid_voice_modulate(voice, is_cc, ctrl);
+        }
+    }
+
+    return FLUID_OK;
+}
+
+/**
+ * Update voices on a MIDI channel after all MIDI controllers have been changed.
+ * @param synth FluidSynth instance
+ * @param chan MIDI channel number (0 to MIDI channel count - 1)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ */
+static int
+fluid_synth_modulate_voices_all_LOCAL(fluid_synth_t *synth, int chan)
+{
+    fluid_voice_t *voice;
+    int i;
+
+    for(i = 0; i < synth->polyphony; i++)
+    {
+        voice = synth->voice[i];
+
+        if(fluid_voice_get_channel(voice) == chan)
+        {
+            fluid_voice_modulate_all(voice);
+        }
+    }
+
+    return FLUID_OK;
+}
+
+/**
+ * Set the MIDI channel pressure controller value.
+ * @param synth FluidSynth instance
+ * @param chan MIDI channel number (0 to MIDI channel count - 1)
+ * @param val MIDI channel pressure value (0-127)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ */
+int
+fluid_synth_channel_pressure(fluid_synth_t *synth, int chan, int val)
+{
+    int result;
+    fluid_return_val_if_fail(val >= 0 && val <= 127, FLUID_FAILED);
+
+    FLUID_API_ENTRY_CHAN(FLUID_FAILED);
+
+    /* Allowed only on MIDI channel enabled */
+    FLUID_API_RETURN_IF_CHAN_DISABLED(FLUID_FAILED);
+
+    if(synth->verbose)
+    {
+        FLUID_LOG(FLUID_INFO, "channelpressure\t%d\t%d", chan, val);
+    }
+
+    fluid_channel_set_channel_pressure(synth->channel[chan], val);
+    result = fluid_synth_update_channel_pressure_LOCAL(synth, chan);
+
+    FLUID_API_RETURN(result);
+}
+
+/* Updates channel pressure from within synthesis thread */
+static int
+fluid_synth_update_channel_pressure_LOCAL(fluid_synth_t *synth, int chan)
+{
+    return fluid_synth_modulate_voices_LOCAL(synth, chan, 0, FLUID_MOD_CHANNELPRESSURE);
+}
+
+/**
+ * Set the MIDI polyphonic key pressure controller value.
+ * @param synth FluidSynth instance
+ * @param chan MIDI channel number (0 to MIDI channel count - 1)
+ * @param key MIDI key number (0-127)
+ * @param val MIDI key pressure value (0-127)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ * @since 2.0.0
+ */
+int
+fluid_synth_key_pressure(fluid_synth_t *synth, int chan, int key, int val)
+{
+    int result;
+    fluid_return_val_if_fail(key >= 0 && key <= 127, FLUID_FAILED);
+    fluid_return_val_if_fail(val >= 0 && val <= 127, FLUID_FAILED);
+
+    FLUID_API_ENTRY_CHAN(FLUID_FAILED);
+
+    /* Allowed only on MIDI channel enabled */
+    FLUID_API_RETURN_IF_CHAN_DISABLED(FLUID_FAILED);
+
+    if(synth->verbose)
+    {
+        FLUID_LOG(FLUID_INFO, "keypressure\t%d\t%d\t%d", chan, key, val);
+    }
+
+    fluid_channel_set_key_pressure(synth->channel[chan], key, val);
+    result = fluid_synth_update_key_pressure_LOCAL(synth, chan, key);
+
+    FLUID_API_RETURN(result);
+}
+
+/* Updates key pressure from within synthesis thread */
+static int
+fluid_synth_update_key_pressure_LOCAL(fluid_synth_t *synth, int chan, int key)
+{
+    fluid_voice_t *voice;
+    int i;
+    int result = FLUID_OK;
+
+    for(i = 0; i < synth->polyphony; i++)
+    {
+        voice = synth->voice[i];
+
+        if(voice->chan == chan && voice->key == key)
+        {
+            result = fluid_voice_modulate(voice, 0, FLUID_MOD_KEYPRESSURE);
+
+            if(result != FLUID_OK)
+            {
+                return result;
+            }
+        }
+    }
+
+    return result;
+}
+
+/**
+ * Set the MIDI pitch bend controller value on a MIDI channel.
+ * @param synth FluidSynth instance
+ * @param chan MIDI channel number (0 to MIDI channel count - 1)
+ * @param val MIDI pitch bend value (0-16383 with 8192 being center)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ */
+int
+fluid_synth_pitch_bend(fluid_synth_t *synth, int chan, int val)
+{
+    int result;
+    fluid_return_val_if_fail(val >= 0 && val <= 16383, FLUID_FAILED);
+    FLUID_API_ENTRY_CHAN(FLUID_FAILED);
+
+    /* Allowed only on MIDI channel enabled */
+    FLUID_API_RETURN_IF_CHAN_DISABLED(FLUID_FAILED);
+
+    if(synth->verbose)
+    {
+        FLUID_LOG(FLUID_INFO, "pitchb\t%d\t%d", chan, val);
+    }
+
+    fluid_channel_set_pitch_bend(synth->channel[chan], val);
+    result = fluid_synth_update_pitch_bend_LOCAL(synth, chan);
+
+    FLUID_API_RETURN(result);
+}
+
+/* Local synthesis thread variant of pitch bend */
+static int
+fluid_synth_update_pitch_bend_LOCAL(fluid_synth_t *synth, int chan)
+{
+    return fluid_synth_modulate_voices_LOCAL(synth, chan, 0, FLUID_MOD_PITCHWHEEL);
+}
+
+/**
+ * Get the MIDI pitch bend controller value on a MIDI channel.
+ * @param synth FluidSynth instance
+ * @param chan MIDI channel number (0 to MIDI channel count - 1)
+ * @param ppitch_bend Location to store MIDI pitch bend value (0-16383 with
+ *   8192 being center)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ */
+int
+fluid_synth_get_pitch_bend(fluid_synth_t *synth, int chan, int *ppitch_bend)
+{
+    int result;
+    fluid_return_val_if_fail(ppitch_bend != NULL, FLUID_FAILED);
+    FLUID_API_ENTRY_CHAN(FLUID_FAILED);
+
+    /* Allowed only on MIDI channel enabled */
+    FLUID_API_RETURN_IF_CHAN_DISABLED(FLUID_FAILED);
+
+    *ppitch_bend = fluid_channel_get_pitch_bend(synth->channel[chan]);
+    result = FLUID_OK;
+
+    FLUID_API_RETURN(result);
+}
+
+/**
+ * Set MIDI pitch wheel sensitivity on a MIDI channel.
+ * @param synth FluidSynth instance
+ * @param chan MIDI channel number (0 to MIDI channel count - 1)
+ * @param val Pitch wheel sensitivity value in semitones
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ */
+int
+fluid_synth_pitch_wheel_sens(fluid_synth_t *synth, int chan, int val)
+{
+    int result;
+    fluid_return_val_if_fail(val >= 0 && val <= 72, FLUID_FAILED);        /* 6 octaves!?  Better than no limit.. */
+    FLUID_API_ENTRY_CHAN(FLUID_FAILED);
+
+    /* Allowed only on MIDI channel enabled */
+    FLUID_API_RETURN_IF_CHAN_DISABLED(FLUID_FAILED);
+
+    if(synth->verbose)
+    {
+        FLUID_LOG(FLUID_INFO, "pitchsens\t%d\t%d", chan, val);
+    }
+
+    fluid_channel_set_pitch_wheel_sensitivity(synth->channel[chan], val);
+    result = fluid_synth_update_pitch_wheel_sens_LOCAL(synth, chan);
+
+    FLUID_API_RETURN(result);
+}
+
+/* Local synthesis thread variant of set pitch wheel sensitivity */
+static int
+fluid_synth_update_pitch_wheel_sens_LOCAL(fluid_synth_t *synth, int chan)
+{
+    return fluid_synth_modulate_voices_LOCAL(synth, chan, 0, FLUID_MOD_PITCHWHEELSENS);
+}
+
+/**
+ * Get MIDI pitch wheel sensitivity on a MIDI channel.
+ * @param synth FluidSynth instance
+ * @param chan MIDI channel number (0 to MIDI channel count - 1)
+ * @param pval Location to store pitch wheel sensitivity value in semitones
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ * @since Sometime AFTER v1.0 API freeze.
+ */
+int
+fluid_synth_get_pitch_wheel_sens(fluid_synth_t *synth, int chan, int *pval)
+{
+    int result;
+    fluid_return_val_if_fail(pval != NULL, FLUID_FAILED);
+    FLUID_API_ENTRY_CHAN(FLUID_FAILED);
+
+    /* Allowed only on MIDI channel enabled */
+    FLUID_API_RETURN_IF_CHAN_DISABLED(FLUID_FAILED);
+
+    *pval = fluid_channel_get_pitch_wheel_sensitivity(synth->channel[chan]);
+    result = FLUID_OK;
+
+    FLUID_API_RETURN(result);
+}
+
+/**
+ * Assign a preset to a MIDI channel.
+ * @param synth FluidSynth instance
+ * @param chan MIDI channel number (0 to MIDI channel count - 1)
+ * @param preset Preset to assign to channel or NULL to clear (ownership is taken over)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ */
+static int
+fluid_synth_set_preset(fluid_synth_t *synth, int chan, fluid_preset_t *preset)
+{
+    fluid_channel_t *channel;
+
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(chan >= 0 && chan < synth->midi_channels, FLUID_FAILED);
+
+    channel = synth->channel[chan];
+
+    return fluid_channel_set_preset(channel, preset);
+}
+
+/* Get a preset by SoundFont, bank and program numbers.
+ * Returns preset pointer or NULL.
+ */
+static fluid_preset_t *
+fluid_synth_get_preset(fluid_synth_t *synth, int sfontnum,
+                       int banknum, int prognum)
+{
+    fluid_sfont_t *sfont;
+    fluid_list_t *list;
+
+    /* 128 indicates an "unset" operation" */
+    if(prognum == FLUID_UNSET_PROGRAM)
+    {
+        return NULL;
+    }
+
+    for(list = synth->sfont; list; list = fluid_list_next(list))
+    {
+        sfont = fluid_list_get(list);
+
+        if(fluid_sfont_get_id(sfont) == sfontnum)
+        {
+            return fluid_sfont_get_preset(sfont, banknum - sfont->bankofs, prognum);
+        }
+    }
+
+    return NULL;
+}
+
+/* Get a preset by SoundFont name, bank and program.
+ * Returns preset pointer or NULL.
+ */
+static fluid_preset_t *
+fluid_synth_get_preset_by_sfont_name(fluid_synth_t *synth, const char *sfontname,
+                                     int banknum, int prognum)
+{
+    fluid_sfont_t *sfont;
+    fluid_list_t *list;
+
+    for(list = synth->sfont; list; list = fluid_list_next(list))
+    {
+        sfont = fluid_list_get(list);
+
+        if(FLUID_STRCMP(fluid_sfont_get_name(sfont), sfontname) == 0)
+        {
+            return fluid_sfont_get_preset(sfont, banknum - sfont->bankofs, prognum);
+        }
+    }
+
+    return NULL;
+}
+
+/* Find a preset by bank and program numbers.
+ * Returns preset pointer or NULL.
+ */
+fluid_preset_t *
+fluid_synth_find_preset(fluid_synth_t *synth, int banknum,
+                        int prognum)
+{
+    fluid_preset_t *preset;
+    fluid_sfont_t *sfont;
+    fluid_list_t *list;
+
+    for(list = synth->sfont; list; list = fluid_list_next(list))
+    {
+        sfont = fluid_list_get(list);
+
+        preset = fluid_sfont_get_preset(sfont, banknum - sfont->bankofs, prognum);
+
+        if(preset)
+        {
+            return preset;
+        }
+    }
+
+    return NULL;
+}
+
+/**
+ * Send a program change event on a MIDI channel.
+ * @param synth FluidSynth instance
+ * @param chan MIDI channel number (0 to MIDI channel count - 1)
+ * @param prognum MIDI program number (0-127)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ */
+/* As of 1.1.1 prognum can be set to 128 to unset the preset.  Not documented
+ * since fluid_synth_unset_program() should be used instead. */
+int
+fluid_synth_program_change(fluid_synth_t *synth, int chan, int prognum)
+{
+    fluid_preset_t *preset = NULL;
+    fluid_channel_t *channel;
+    int subst_bank, subst_prog, banknum = 0, result = FLUID_FAILED;
+
+    fluid_return_val_if_fail(prognum >= 0 && prognum <= 128, FLUID_FAILED);
+    FLUID_API_ENTRY_CHAN(FLUID_FAILED);
+
+    /* Allowed only on MIDI channel enabled */
+    FLUID_API_RETURN_IF_CHAN_DISABLED(FLUID_FAILED);
+
+    channel = synth->channel[chan];
+
+    if(channel->channel_type == CHANNEL_TYPE_DRUM)
+    {
+        banknum = DRUM_INST_BANK;
+    }
+    else
+    {
+        fluid_channel_get_sfont_bank_prog(channel, NULL, &banknum, NULL);
+    }
+
+    if(synth->verbose)
+    {
+        FLUID_LOG(FLUID_INFO, "prog\t%d\t%d\t%d", chan, banknum, prognum);
+    }
+
+    /* I think this is a hack for MIDI files that do bank changes in GM mode.
+    * Proper way to handle this would probably be to ignore bank changes when in
+    * GM mode. - JG
+    * This is now possible by setting synth.midi-bank-select=gm, but let the hack
+    * stay for the time being. - DH
+    */
+    if(prognum != FLUID_UNSET_PROGRAM)
+    {
+        subst_bank = banknum;
+        subst_prog = prognum;
+
+        preset = fluid_synth_find_preset(synth, subst_bank, subst_prog);
+
+        /* Fallback to another preset if not found */
+        if(!preset)
+        {
+            /* Percussion: Fallback to preset 0 in percussion bank */
+            if(channel->channel_type == CHANNEL_TYPE_DRUM)
+            {
+                subst_prog = 0;
+                subst_bank = DRUM_INST_BANK;
+                preset = fluid_synth_find_preset(synth, subst_bank, subst_prog);
+            }
+            /* Melodic instrument */
+            else
+            {
+                /* Fallback first to bank 0:prognum */
+                subst_bank = 0;
+                preset = fluid_synth_find_preset(synth, subst_bank, subst_prog);
+
+                /* Fallback to first preset in bank 0 (usually piano...) */
+                if(!preset)
+                {
+                    subst_prog = 0;
+                    preset = fluid_synth_find_preset(synth, subst_bank, subst_prog);
+                }
+            }
+
+            if(preset)
+            {
+                FLUID_LOG(FLUID_WARN, "Instrument not found on channel %d [bank=%d prog=%d], substituted [bank=%d prog=%d]",
+                          chan, banknum, prognum, subst_bank, subst_prog);
+            }
+            else
+            {
+                FLUID_LOG(FLUID_WARN, "No preset found on channel %d [bank=%d prog=%d]", chan, banknum, prognum);
+            }
+        }
+    }
+
+    /* Assign the SoundFont ID and program number to the channel */
+    fluid_channel_set_sfont_bank_prog(channel, preset ? fluid_sfont_get_id(preset->sfont) : 0,
+                                      -1, prognum);
+    result = fluid_synth_set_preset(synth, chan, preset);
+
+    FLUID_API_RETURN(result);
+}
+
+/**
+ * Set instrument bank number on a MIDI channel.
+ * @param synth FluidSynth instance
+ * @param chan MIDI channel number (0 to MIDI channel count - 1)
+ * @param bank MIDI bank number
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ * @note This function does not change the instrument currently assigned to \c chan,
+ * as it is usually called prior to fluid_synth_program_change(). If you still want
+ * instrument changes to take effect immediately, call fluid_synth_program_reset()
+ * after having set up the bank configuration.
+ *
+ */
+int
+fluid_synth_bank_select(fluid_synth_t *synth, int chan, int bank)
+{
+    int result;
+    fluid_return_val_if_fail(bank <= 16383, FLUID_FAILED);
+    fluid_return_val_if_fail(bank >= 0, FLUID_FAILED);
+    FLUID_API_ENTRY_CHAN(FLUID_FAILED);
+
+    /* Allowed only on MIDI channel enabled */
+    FLUID_API_RETURN_IF_CHAN_DISABLED(FLUID_FAILED);
+
+    fluid_channel_set_sfont_bank_prog(synth->channel[chan], -1, bank, -1);
+    result = FLUID_OK;
+
+    FLUID_API_RETURN(result);
+}
+
+/**
+ * Set SoundFont ID on a MIDI channel.
+ * @param synth FluidSynth instance
+ * @param chan MIDI channel number (0 to MIDI channel count - 1)
+ * @param sfont_id ID of a loaded SoundFont
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ * @note This function does not change the instrument currently assigned to \c chan,
+ * as it is usually called prior to fluid_synth_bank_select() or fluid_synth_program_change().
+ * If you still want instrument changes to take effect immediately, call fluid_synth_program_reset()
+ * after having selected the soundfont.
+ */
+int
+fluid_synth_sfont_select(fluid_synth_t *synth, int chan, int sfont_id)
+{
+    int result;
+    FLUID_API_ENTRY_CHAN(FLUID_FAILED);
+
+    /* Allowed only on MIDI channel enabled */
+    FLUID_API_RETURN_IF_CHAN_DISABLED(FLUID_FAILED);
+
+    fluid_channel_set_sfont_bank_prog(synth->channel[chan], sfont_id, -1, -1);
+    result = FLUID_OK;
+
+    FLUID_API_RETURN(result);
+}
+
+/**
+ * Set the preset of a MIDI channel to an unassigned state.
+ * @param synth FluidSynth instance
+ * @param chan MIDI channel number (0 to MIDI channel count - 1)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ * @since 1.1.1
+ *
+ * @note Channel retains its SoundFont ID and bank numbers, while the program
+ * number is set to an "unset" state.  MIDI program changes may re-assign a
+ * preset if one matches.
+ */
+int
+fluid_synth_unset_program(fluid_synth_t *synth, int chan)
+{
+    FLUID_API_ENTRY_CHAN(FLUID_FAILED);
+    FLUID_API_RETURN(fluid_synth_program_change(synth, chan, FLUID_UNSET_PROGRAM));
+}
+
+/**
+ * Get current SoundFont ID, bank number and program number for a MIDI channel.
+ * @param synth FluidSynth instance
+ * @param chan MIDI channel number (0 to MIDI channel count - 1)
+ * @param sfont_id Location to store SoundFont ID
+ * @param bank_num Location to store MIDI bank number
+ * @param preset_num Location to store MIDI program number
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ */
+int
+fluid_synth_get_program(fluid_synth_t *synth, int chan, int *sfont_id,
+                        int *bank_num, int *preset_num)
+{
+    int result;
+    fluid_channel_t *channel;
+
+    fluid_return_val_if_fail(sfont_id != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(bank_num != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(preset_num != NULL, FLUID_FAILED);
+    FLUID_API_ENTRY_CHAN(FLUID_FAILED);
+
+    /* Allowed only on MIDI channel enabled */
+    FLUID_API_RETURN_IF_CHAN_DISABLED(FLUID_FAILED);
+
+    channel = synth->channel[chan];
+    fluid_channel_get_sfont_bank_prog(channel, sfont_id, bank_num, preset_num);
+
+    /* 128 indicates that the preset is unset.  Set to 0 to be backwards compatible. */
+    if(*preset_num == FLUID_UNSET_PROGRAM)
+    {
+        *preset_num = 0;
+    }
+
+    result = FLUID_OK;
+
+    FLUID_API_RETURN(result);
+}
+
+/**
+ * Select an instrument on a MIDI channel by SoundFont ID, bank and program numbers.
+ * @param synth FluidSynth instance
+ * @param chan MIDI channel number (0 to MIDI channel count - 1)
+ * @param sfont_id ID of a loaded SoundFont
+ * @param bank_num MIDI bank number
+ * @param preset_num MIDI program number
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ */
+int
+fluid_synth_program_select(fluid_synth_t *synth, int chan, int sfont_id,
+                           int bank_num, int preset_num)
+{
+    fluid_preset_t *preset = NULL;
+    fluid_channel_t *channel;
+    int result;
+    fluid_return_val_if_fail(bank_num >= 0, FLUID_FAILED);
+    fluid_return_val_if_fail(preset_num >= 0, FLUID_FAILED);
+
+    FLUID_API_ENTRY_CHAN(FLUID_FAILED);
+
+    /* Allowed only on MIDI channel enabled */
+    FLUID_API_RETURN_IF_CHAN_DISABLED(FLUID_FAILED);
+
+    channel = synth->channel[chan];
+
+    preset = fluid_synth_get_preset(synth, sfont_id, bank_num, preset_num);
+
+    if(preset == NULL)
+    {
+        FLUID_LOG(FLUID_ERR,
+                  "There is no preset with bank number %d and preset number %d in SoundFont %d",
+                  bank_num, preset_num, sfont_id);
+        FLUID_API_RETURN(FLUID_FAILED);
+    }
+
+    /* Assign the new SoundFont ID, bank and program number to the channel */
+    fluid_channel_set_sfont_bank_prog(channel, sfont_id, bank_num, preset_num);
+    result = fluid_synth_set_preset(synth, chan, preset);
+
+    FLUID_API_RETURN(result);
+}
+
+/**
+ * Pins all samples of the given preset.
+ *
+ * @param synth FluidSynth instance
+ * @param sfont_id ID of a loaded SoundFont
+ * @param bank_num MIDI bank number
+ * @param preset_num MIDI program number
+ * @return #FLUID_OK if the preset was found, pinned and loaded
+ * into memory successfully. #FLUID_FAILED otherwise. Note that #FLUID_OK
+ * is returned, even if <code>synth.dynamic-sample-loading</code> is disabled or 
+ * the preset doesn't support dynamic-sample-loading.
+ *
+ * This function will attempt to pin all samples of the given preset and
+ * load them into memory, if they are currently unloaded. "To pin" in this
+ * context means preventing them from being unloaded by an upcoming channel
+ * prog change.
+ *
+ * @note This function is only useful if \ref settings_synth_dynamic-sample-loading is enabled.
+ * By default, dynamic-sample-loading is disabled and all samples are kept in memory.
+ * Furthermore, this is only useful for presets which support dynamic-sample-loading (currently,
+ * only preset loaded with the default soundfont loader do).
+ *
+ * @since 2.2.0
+ */
+int
+fluid_synth_pin_preset(fluid_synth_t *synth, int sfont_id, int bank_num, int preset_num)
+{
+    int ret;
+    fluid_preset_t *preset;
+
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(bank_num >= 0, FLUID_FAILED);
+    fluid_return_val_if_fail(preset_num >= 0, FLUID_FAILED);
+
+    fluid_synth_api_enter(synth);
+
+    preset = fluid_synth_get_preset(synth, sfont_id, bank_num, preset_num);
+
+    if(preset == NULL)
+    {
+        FLUID_LOG(FLUID_ERR,
+                  "There is no preset with bank number %d and preset number %d in SoundFont %d",
+                  bank_num, preset_num, sfont_id);
+        FLUID_API_RETURN(FLUID_FAILED);
+    }
+
+    ret = fluid_preset_notify(preset, FLUID_PRESET_PIN, -1); // channel unused for pinning messages
+
+    FLUID_API_RETURN(ret);
+}
+
+/**
+ * Unpin all samples of the given preset.
+ *
+ * @param synth FluidSynth instance
+ * @param sfont_id ID of a loaded SoundFont
+ * @param bank_num MIDI bank number
+ * @param preset_num MIDI program number
+ * @return #FLUID_OK if preset was found, #FLUID_FAILED otherwise
+ *
+ * This function undoes the effect of fluid_synth_pin_preset(). If the preset is
+ * not currently used, its samples will be unloaded.
+ *
+ * @note Only useful for presets loaded with the default soundfont loader and
+ * only if \ref settings_synth_dynamic-sample-loading is enabled.
+ *
+ * @since 2.2.0
+ */
+int
+fluid_synth_unpin_preset(fluid_synth_t *synth, int sfont_id, int bank_num, int preset_num)
+{
+    int ret;
+    fluid_preset_t *preset;
+
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(bank_num >= 0, FLUID_FAILED);
+    fluid_return_val_if_fail(preset_num >= 0, FLUID_FAILED);
+
+    fluid_synth_api_enter(synth);
+
+    preset = fluid_synth_get_preset(synth, sfont_id, bank_num, preset_num);
+
+    if(preset == NULL)
+    {
+        FLUID_LOG(FLUID_ERR,
+                  "There is no preset with bank number %d and preset number %d in SoundFont %d",
+                  bank_num, preset_num, sfont_id);
+        FLUID_API_RETURN(FLUID_FAILED);
+    }
+
+    ret = fluid_preset_notify(preset, FLUID_PRESET_UNPIN, -1); // channel unused for pinning messages
+
+    FLUID_API_RETURN(ret);
+}
+
+/**
+ * Select an instrument on a MIDI channel by SoundFont name, bank and program numbers.
+ * @param synth FluidSynth instance
+ * @param chan MIDI channel number (0 to MIDI channel count - 1)
+ * @param sfont_name Name of a loaded SoundFont
+ * @param bank_num MIDI bank number
+ * @param preset_num MIDI program number
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ * @since 1.1.0
+ */
+int
+fluid_synth_program_select_by_sfont_name(fluid_synth_t *synth, int chan,
+        const char *sfont_name, int bank_num,
+        int preset_num)
+{
+    fluid_preset_t *preset = NULL;
+    fluid_channel_t *channel;
+    int result;
+    fluid_return_val_if_fail(sfont_name != NULL, FLUID_FAILED);
+    FLUID_API_ENTRY_CHAN(FLUID_FAILED);
+
+    /* Allowed only on MIDI channel enabled */
+    FLUID_API_RETURN_IF_CHAN_DISABLED(FLUID_FAILED);
+
+    channel = synth->channel[chan];
+
+    preset = fluid_synth_get_preset_by_sfont_name(synth, sfont_name, bank_num,
+             preset_num);
+
+    if(preset == NULL)
+    {
+        FLUID_LOG(FLUID_ERR,
+                  "There is no preset with bank number %d and preset number %d in SoundFont %s",
+                  bank_num, preset_num, sfont_name);
+        FLUID_API_RETURN(FLUID_FAILED);
+    }
+
+    /* Assign the new SoundFont ID, bank and program number to the channel */
+    fluid_channel_set_sfont_bank_prog(channel, fluid_sfont_get_id(preset->sfont),
+                                      bank_num, preset_num);
+    result = fluid_synth_set_preset(synth, chan, preset);
+
+    FLUID_API_RETURN(result);
+}
+
+/*
+ * This function assures that every MIDI channel has a valid preset
+ * (NULL is okay). This function is called after a SoundFont is
+ * unloaded or reloaded.
+ */
+static void
+fluid_synth_update_presets(fluid_synth_t *synth)
+{
+    fluid_channel_t *channel;
+    fluid_preset_t *preset;
+    int sfont, bank, prog;
+    int chan;
+
+    for(chan = 0; chan < synth->midi_channels; chan++)
+    {
+        channel = synth->channel[chan];
+        fluid_channel_get_sfont_bank_prog(channel, &sfont, &bank, &prog);
+        preset = fluid_synth_get_preset(synth, sfont, bank, prog);
+        fluid_synth_set_preset(synth, chan, preset);
+    }
+}
+
+static void
+fluid_synth_set_sample_rate_LOCAL(fluid_synth_t *synth, float sample_rate)
+{
+    int i;
+    fluid_clip(sample_rate, 8000.0f, 96000.0f);
+    synth->sample_rate = sample_rate;
+
+    synth->min_note_length_ticks = fluid_synth_get_min_note_length_LOCAL(synth);
+
+    for(i = 0; i < synth->polyphony; i++)
+    {
+        fluid_voice_set_output_rate(synth->voice[i], sample_rate);
+    }
+}
+
+/**
+ * Set up an event to change the sample-rate of the synth during the next rendering call.
+ * @warning This function is broken-by-design! Don't use it! Instead, specify the sample-rate when creating the synth.
+ * @deprecated As of fluidsynth 2.1.0 this function has been deprecated.
+ * Changing the sample-rate is generally not considered to be a real-time use-case, as it always produces some audible artifact ("click", "pop") on the dry sound and effects (because LFOs for chorus and reverb need to be reinitialized).
+ * The sample-rate change may also require memory allocation deep down in the effect units.
+ * However, this memory allocation may fail and there is no way for the caller to know that, because the actual change of the sample-rate is executed during rendering.
+ * This function cannot (must not) do the sample-rate change itself, otherwise the synth needs to be locked down, causing rendering to block.
+ * Esp. do not use this function if this @p synth instance is used by an audio driver, because the audio driver cannot be notified by this sample-rate change.
+ * Long story short: don't use it.
+ * @code{.cpp}
+    fluid_synth_t* synth; // assume initialized
+    // [...]
+    // sample-rate change needed? Delete the audio driver, if any.
+    delete_fluid_audio_driver(adriver);
+    // then delete the synth
+    delete_fluid_synth(synth);
+    // update the sample-rate
+    fluid_settings_setnum(settings, "synth.sample-rate", 22050.0);
+    // and re-create objects
+    synth = new_fluid_synth(settings);
+    adriver = new_fluid_audio_driver(settings, synth);
+ * @endcode
+ * @param synth FluidSynth instance
+ * @param sample_rate New sample-rate (Hz)
+ * @since 1.1.2
+ */
+void
+fluid_synth_set_sample_rate(fluid_synth_t *synth, float sample_rate)
+{
+    fluid_return_if_fail(synth != NULL);
+    fluid_synth_api_enter(synth);
+
+    fluid_synth_set_sample_rate_LOCAL(synth, sample_rate);
+
+    fluid_synth_update_mixer(synth, fluid_rvoice_mixer_set_samplerate,
+                             0, synth->sample_rate);
+    fluid_synth_api_exit(synth);
+}
+
+// internal sample rate change function for the jack driver
+// executes immediately, therefore, make sure no rendering call is running!
+void
+fluid_synth_set_sample_rate_immediately(fluid_synth_t *synth, float sample_rate)
+{
+    fluid_rvoice_param_t param[MAX_EVENT_PARAMS];
+    fluid_return_if_fail(synth != NULL);
+    fluid_synth_api_enter(synth);
+    
+    fluid_synth_set_sample_rate_LOCAL(synth, sample_rate);
+
+    param[0].i = 0;
+    param[1].real = synth->sample_rate;
+    fluid_rvoice_mixer_set_samplerate(synth->eventhandler->mixer, param);
+    
+    fluid_synth_api_exit(synth);
+}
+
+
+/* Handler for synth.gain setting. */
+static void
+fluid_synth_handle_gain(void *data, const char *name, double value)
+{
+    fluid_synth_t *synth = (fluid_synth_t *)data;
+    fluid_synth_set_gain(synth, (float) value);
+}
+
+/**
+ * Set synth output gain value.
+ * @param synth FluidSynth instance
+ * @param gain Gain value (function clamps value to the range 0.0 to 10.0)
+ */
+void
+fluid_synth_set_gain(fluid_synth_t *synth, float gain)
+{
+    fluid_return_if_fail(synth != NULL);
+    fluid_synth_api_enter(synth);
+
+    fluid_clip(gain, 0.0f, 10.0f);
+
+    synth->gain = gain;
+    fluid_synth_update_gain_LOCAL(synth);
+    fluid_synth_api_exit(synth);
+}
+
+/* Called by synthesis thread to update the gain in all voices */
+static void
+fluid_synth_update_gain_LOCAL(fluid_synth_t *synth)
+{
+    fluid_voice_t *voice;
+    float gain;
+    int i;
+
+    gain = synth->gain;
+
+    for(i = 0; i < synth->polyphony; i++)
+    {
+        voice = synth->voice[i];
+
+        if(fluid_voice_is_playing(voice))
+        {
+            fluid_voice_set_gain(voice, gain);
+        }
+    }
+}
+
+/**
+ * Get synth output gain value.
+ * @param synth FluidSynth instance
+ * @return Synth gain value (0.0 to 10.0)
+ */
+float
+fluid_synth_get_gain(fluid_synth_t *synth)
+{
+    float result;
+    fluid_return_val_if_fail(synth != NULL, 0.0);
+    fluid_synth_api_enter(synth);
+
+    result = synth->gain;
+    FLUID_API_RETURN(result);
+}
+
+/*
+ * Handler for synth.polyphony setting.
+ */
+static void
+fluid_synth_handle_polyphony(void *data, const char *name, int value)
+{
+    fluid_synth_t *synth = (fluid_synth_t *)data;
+    fluid_synth_set_polyphony(synth, value);
+}
+
+/**
+ * Set synthesizer polyphony (max number of voices).
+ * @param synth FluidSynth instance
+ * @param polyphony Polyphony to assign
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ * @since 1.0.6
+ */
+int
+fluid_synth_set_polyphony(fluid_synth_t *synth, int polyphony)
+{
+    int result;
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(polyphony >= 1 && polyphony <= 65535, FLUID_FAILED);
+    fluid_synth_api_enter(synth);
+
+    result = fluid_synth_update_polyphony_LOCAL(synth, polyphony);
+
+    FLUID_API_RETURN(result);
+}
+
+/* Called by synthesis thread to update the polyphony value */
+static int
+fluid_synth_update_polyphony_LOCAL(fluid_synth_t *synth, int new_polyphony)
+{
+    fluid_voice_t *voice;
+    int i;
+
+    if(new_polyphony > synth->nvoice)
+    {
+        /* Create more voices */
+        fluid_voice_t **new_voices = FLUID_REALLOC(synth->voice,
+                                     sizeof(fluid_voice_t *) * new_polyphony);
+
+        if(new_voices == NULL)
+        {
+            return FLUID_FAILED;
+        }
+
+        synth->voice = new_voices;
+
+        for(i = synth->nvoice; i < new_polyphony; i++)
+        {
+            synth->voice[i] = new_fluid_voice(synth->eventhandler, synth->sample_rate);
+
+            if(synth->voice[i] == NULL)
+            {
+                return FLUID_FAILED;
+            }
+
+            fluid_voice_set_custom_filter(synth->voice[i], synth->custom_filter_type, synth->custom_filter_flags);
+        }
+
+        synth->nvoice = new_polyphony;
+    }
+
+    synth->polyphony = new_polyphony;
+
+    /* turn off any voices above the new limit */
+    for(i = synth->polyphony; i < synth->nvoice; i++)
+    {
+        voice = synth->voice[i];
+
+        if(fluid_voice_is_playing(voice))
+        {
+            fluid_voice_off(voice);
+        }
+    }
+
+    fluid_synth_update_mixer(synth, fluid_rvoice_mixer_set_polyphony,
+                             synth->polyphony, 0.0f);
+
+    return FLUID_OK;
+}
+
+/**
+ * Get current synthesizer polyphony (max number of voices).
+ * @param synth FluidSynth instance
+ * @return Synth polyphony value.
+ * @since 1.0.6
+ */
+int
+fluid_synth_get_polyphony(fluid_synth_t *synth)
+{
+    int result;
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_synth_api_enter(synth);
+
+    result = synth->polyphony;
+    FLUID_API_RETURN(result);
+}
+
+/**
+ * @brief Get current number of active voices.
+ *
+ * I.e. the no. of voices that have been
+ * started and have not yet finished. Unless called from synthesis context,
+ * this number does not necessarily have to be equal to the number of voices
+ * currently processed by the DSP loop, see below.
+ * @param synth FluidSynth instance
+ * @return Number of currently active voices.
+ * @since 1.1.0
+ *
+ * @note To generate accurate continuous statistics of the voice count, caller
+ * should ensure this function is called synchronously with the audio synthesis
+ * process. This can be done in the new_fluid_audio_driver2() audio callback
+ * function for example. Otherwise every call to this function may return different
+ * voice counts as it may change after any (concurrent) call to fluid_synth_write_*() made by
+ * e.g. an audio driver or the applications audio rendering thread.
+ */
+int
+fluid_synth_get_active_voice_count(fluid_synth_t *synth)
+{
+    int result;
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_synth_api_enter(synth);
+
+    result = synth->active_voice_count;
+    FLUID_API_RETURN(result);
+}
+
+/**
+ * Get the internal synthesis buffer size value.
+ * @param synth FluidSynth instance
+ * @return Internal buffer size in audio frames.
+ *
+ * Audio is synthesized at this number of frames at a time. Defaults to 64 frames. I.e. the synth can only react to notes,
+ * control changes, and other audio affecting events after having processed 64 audio frames.
+ */
+int
+fluid_synth_get_internal_bufsize(fluid_synth_t *synth)
+{
+    return FLUID_BUFSIZE;
+}
+
+/**
+ * Resend a bank select and a program change for every channel and assign corresponding instruments.
+ * @param synth FluidSynth instance
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ *
+ * This function is called mainly after a SoundFont has been loaded,
+ * unloaded or reloaded.
+ */
+int
+fluid_synth_program_reset(fluid_synth_t *synth)
+{
+    int i, prog;
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_synth_api_enter(synth);
+
+    /* try to set the correct presets */
+    for(i = 0; i < synth->midi_channels; i++)
+    {
+        fluid_channel_get_sfont_bank_prog(synth->channel[i], NULL, NULL, &prog);
+        fluid_synth_program_change(synth, i, prog);
+    }
+
+    FLUID_API_RETURN(FLUID_OK);
+}
+
+/**
+ * Synthesize a block of floating point audio to separate audio buffers (multi-channel rendering).
+ *
+ * @param synth FluidSynth instance
+ * @param len Count of audio frames to synthesize
+ * @param left Array of float buffers to store left channel of planar audio (as many as \c synth.audio-channels buffers, each of \c len in size)
+ * @param right Array of float buffers to store right channel of planar audio (size: dito)
+ * @param fx_left Since 1.1.7: If not \c NULL, array of float buffers to store left effect channels (as many as \c synth.effects-channels buffers, each of \c len in size)
+ * @param fx_right Since 1.1.7: If not \c NULL, array of float buffers to store right effect channels (size: dito)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ *
+ * First effect channel used by reverb, second for chorus.
+ *
+ * @note Should only be called from synthesis thread.
+ *
+ * @deprecated fluid_synth_nwrite_float() is deprecated and will be removed in a future release.
+ * It may continue to work or it may return #FLUID_FAILED in the future. Consider using the more
+ * powerful and flexible fluid_synth_process().
+ *
+ * Usage example:
+ * @code{.cpp}
+    const int FramesToRender = 64;
+    int channels;
+    // retrieve number of stereo audio channels
+    fluid_settings_getint(settings, "synth.audio-channels", &channels);
+
+    // we need twice as many (mono-)buffers
+    channels *= 2;
+
+    // fluid_synth_nwrite_float renders planar audio, e.g. if synth.audio-channels==16:
+    // each midi channel gets rendered to its own stereo buffer, rather than having
+    // one buffer and interleaved PCM
+    float** mix_buf = new float*[channels];
+    for(int i = 0; i < channels; i++)
+    {
+        mix_buf[i] = new float[FramesToRender];
+    }
+
+    // retrieve number of (stereo) effect channels (internally hardcoded to reverb (first chan)
+    // and chrous (second chan))
+    fluid_settings_getint(settings, "synth.effects-channels", &channels);
+    channels *= 2;
+
+    float** fx_buf = new float*[channels];
+    for(int i = 0; i < channels; i++)
+    {
+        fx_buf[i] = new float[FramesToRender];
+    }
+
+    float** mix_buf_l = mix_buf;
+    float** mix_buf_r = &mix_buf[channels/2];
+
+    float** fx_buf_l = fx_buf;
+    float** fx_buf_r = &fx_buf[channels/2];
+
+    fluid_synth_nwrite_float(synth, FramesToRender, mix_buf_l, mix_buf_r, fx_buf_l, fx_buf_r)
+ * @endcode
+ */
+int
+fluid_synth_nwrite_float(fluid_synth_t *synth, int len,
+                         float **left, float **right,
+                         float **fx_left, float **fx_right)
+{
+    fluid_real_t *left_in, *fx_left_in;
+    fluid_real_t *right_in, *fx_right_in;
+    double time = fluid_utime();
+    int i, num, available, count;
+#ifdef WITH_FLOAT
+    int bytes;
+#endif
+    float cpu_load;
+
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(left != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(right != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(len >= 0, FLUID_FAILED);
+    fluid_return_val_if_fail(len != 0, FLUID_OK); // to avoid raising FE_DIVBYZERO below
+
+    /* First, take what's still available in the buffer */
+    count = 0;
+    num = synth->cur;
+
+    if(synth->cur < FLUID_BUFSIZE)
+    {
+        available = FLUID_BUFSIZE - synth->cur;
+        fluid_rvoice_mixer_get_bufs(synth->eventhandler->mixer, &left_in, &right_in);
+        fluid_rvoice_mixer_get_fx_bufs(synth->eventhandler->mixer, &fx_left_in, &fx_right_in);
+
+        num = (available > len) ? len : available;
+#ifdef WITH_FLOAT
+        bytes = num * sizeof(float);
+#endif
+
+        for(i = 0; i < synth->audio_channels; i++)
+        {
+#ifdef WITH_FLOAT
+            FLUID_MEMCPY(left[i], &left_in[i * FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT + synth->cur], bytes);
+            FLUID_MEMCPY(right[i], &right_in[i * FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT + synth->cur], bytes);
+#else //WITH_FLOAT
+            int j;
+
+            for(j = 0; j < num; j++)
+            {
+                left[i][j] = (float) left_in[i * FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT + j + synth->cur];
+                right[i][j] = (float) right_in[i * FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT + j + synth->cur];
+            }
+
+#endif //WITH_FLOAT
+        }
+
+        for(i = 0; i < synth->effects_channels; i++)
+        {
+#ifdef WITH_FLOAT
+
+            if(fx_left != NULL)
+            {
+                FLUID_MEMCPY(fx_left[i], &fx_left_in[i * FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT + synth->cur], bytes);
+            }
+
+            if(fx_right != NULL)
+            {
+                FLUID_MEMCPY(fx_right[i], &fx_right_in[i * FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT + synth->cur], bytes);
+            }
+
+#else //WITH_FLOAT
+            int j;
+
+            if(fx_left != NULL)
+            {
+                for(j = 0; j < num; j++)
+                {
+                    fx_left[i][j] = (float) fx_left_in[i * FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT + j + synth->cur];
+                }
+            }
+
+            if(fx_right != NULL)
+            {
+                for(j = 0; j < num; j++)
+                {
+                    fx_right[i][j] = (float) fx_right_in[i * FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT + j + synth->cur];
+                }
+            }
+
+#endif //WITH_FLOAT
+        }
+
+        count += num;
+        num += synth->cur; /* if we're now done, num becomes the new synth->cur below */
+    }
+
+    /* Then, run one_block() and copy till we have 'len' samples  */
+    while(count < len)
+    {
+        fluid_rvoice_mixer_set_mix_fx(synth->eventhandler->mixer, 0);
+        fluid_synth_render_blocks(synth, 1); // TODO:
+        fluid_rvoice_mixer_get_bufs(synth->eventhandler->mixer, &left_in, &right_in);
+        fluid_rvoice_mixer_get_fx_bufs(synth->eventhandler->mixer, &fx_left_in, &fx_right_in);
+
+        num = (FLUID_BUFSIZE > len - count) ? len - count : FLUID_BUFSIZE;
+#ifdef WITH_FLOAT
+        bytes = num * sizeof(float);
+#endif
+
+        for(i = 0; i < synth->audio_channels; i++)
+        {
+#ifdef WITH_FLOAT
+            FLUID_MEMCPY(left[i] + count, &left_in[i * FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT], bytes);
+            FLUID_MEMCPY(right[i] + count, &right_in[i * FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT], bytes);
+#else //WITH_FLOAT
+            int j;
+
+            for(j = 0; j < num; j++)
+            {
+                left[i][j + count] = (float) left_in[i * FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT + j];
+                right[i][j + count] = (float) right_in[i * FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT + j];
+            }
+
+#endif //WITH_FLOAT
+        }
+
+        for(i = 0; i < synth->effects_channels; i++)
+        {
+#ifdef WITH_FLOAT
+
+            if(fx_left != NULL)
+            {
+                FLUID_MEMCPY(fx_left[i] + count, &fx_left_in[i * FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT], bytes);
+            }
+
+            if(fx_right != NULL)
+            {
+                FLUID_MEMCPY(fx_right[i] + count, &fx_right_in[i * FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT], bytes);
+            }
+
+#else //WITH_FLOAT
+            int j;
+
+            if(fx_left != NULL)
+            {
+                for(j = 0; j < num; j++)
+                {
+                    fx_left[i][j + count] = (float) fx_left_in[i * FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT + j];
+                }
+            }
+
+            if(fx_right != NULL)
+            {
+                for(j = 0; j < num; j++)
+                {
+                    fx_right[i][j + count] = (float) fx_right_in[i * FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT + j];
+                }
+            }
+
+#endif //WITH_FLOAT
+        }
+
+        count += num;
+    }
+
+    synth->cur = num;
+
+    time = fluid_utime() - time;
+    cpu_load = 0.5 * (fluid_atomic_float_get(&synth->cpu_load) + time * synth->sample_rate / len / 10000.0);
+    fluid_atomic_float_set(&synth->cpu_load, cpu_load);
+
+    return FLUID_OK;
+}
+
+/**
+ * mixes the samples of \p in to \p out
+ *
+ * @param out the output sample buffer to mix to
+ * @param ooff sample offset in \p out
+ * @param in the rvoice_mixer input sample buffer to mix from
+ * @param ioff sample offset in \p in
+ * @param buf_idx the sample buffer index of \p in to mix from
+ * @param num number of samples to mix
+ */
+static FLUID_INLINE void fluid_synth_mix_single_buffer(float *FLUID_RESTRICT out,
+                                                       int ooff,
+                                                       const fluid_real_t *FLUID_RESTRICT in,
+                                                       int ioff,
+                                                       int buf_idx,
+                                                       int num)
+{
+    if(out != NULL)
+    {
+        int j;
+
+        for(j = 0; j < num; j++)
+        {
+            out[j + ooff] += (float) in[buf_idx * FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT + j + ioff];
+        }
+    }
+}
+
+/**
+ * Synthesize floating point audio to stereo audio channels
+ * (implements the default interface #fluid_audio_func_t).
+ *
+ * @param synth FluidSynth instance
+ *
+ * @param len Count of audio frames to synthesize and store in every single buffer provided by \p out and \p fx.
+ * Zero value is permitted, the function does nothing and return FLUID_OK.
+ *
+ * @param nfx Count of arrays in \c fx. Must be a multiple of 2 (because of stereo)
+ * and in the range <code>0 <= nfx/2 <= (fluid_synth_count_effects_channels() * fluid_synth_count_effects_groups())</code>.
+ * Note that zero value is valid and allows to skip mixing effects in all fx output buffers.
+ *
+ * @param fx Array of buffers to store effects audio to. Buffers may
+ * alias with buffers of \c out. Individual NULL buffers are permitted and will cause to skip mixing any audio into that buffer.
+ *
+ * @param nout Count of arrays in \c out. Must be a multiple of 2
+ * (because of stereo) and in the range <code>0 <= nout/2 <= fluid_synth_count_audio_channels()</code>.
+ * Note that zero value is valid and allows to skip mixing dry audio in all out output buffers.
+ *
+ * @param out Array of buffers to store (dry) audio to. Buffers may
+ * alias with buffers of \c fx. Individual NULL buffers are permitted and will cause to skip mixing any audio into that buffer.
+ *
+ * @return #FLUID_OK on success,
+ * #FLUID_FAILED otherwise,
+ *  - <code>fx == NULL</code> while <code>nfx > 0</code>, or <code>out == NULL</code> while <code>nout > 0</code>.
+ *  - \c nfx or \c nout not multiple of 2.
+ *  - <code>len < 0</code>.
+ *  - \c nfx or \c nout exceed the range explained above.
+ *
+ * Synthesize and <strong>mix</strong> audio to a given number of planar audio buffers.
+ * Therefore pass <code>nout = N*2</code> float buffers to \p out in order to render
+ * the synthesized audio to \p N stereo channels. Each float buffer must be
+ * able to hold \p len elements.
+ *
+ * \p out contains an array of planar buffers for normal, dry, stereo
+ * audio (alternating left and right). Like:
+(a)code{.cpp}
+out[0]  = left_buffer_audio_channel_0
+out[1]  = right_buffer_audio_channel_0
+out[2]  = left_buffer_audio_channel_1
+out[3]  = right_buffer_audio_channel_1
+...
+out[ (i * 2 + 0) % nout ]  = left_buffer_audio_channel_i
+out[ (i * 2 + 1) % nout ]  = right_buffer_audio_channel_i
+(a)endcode
+ *
+ * for zero-based channel index \p i.
+ * The buffer layout of \p fx used for storing effects
+ * like reverb and chorus looks similar:
+(a)code{.cpp}
+fx[0]  = left_buffer_channel_of_reverb_unit_0
+fx[1]  = right_buffer_channel_of_reverb_unit_0
+fx[2]  = left_buffer_channel_of_chorus_unit_0
+fx[3]  = right_buffer_channel_of_chorus_unit_0
+fx[4]  = left_buffer_channel_of_reverb_unit_1
+fx[5]  = right_buffer_channel_of_reverb_unit_1
+fx[6]  = left_buffer_channel_of_chorus_unit_1
+fx[7]  = right_buffer_channel_of_chorus_unit_1
+fx[8]  = left_buffer_channel_of_reverb_unit_2
+...
+fx[ ((k * fluid_synth_count_effects_channels() + j) * 2 + 0) % nfx ]  = left_buffer_for_effect_channel_j_of_unit_k
+fx[ ((k * fluid_synth_count_effects_channels() + j) * 2 + 1) % nfx ]  = right_buffer_for_effect_channel_j_of_unit_k
+(a)endcode
+ * where <code>0 <= k < fluid_synth_count_effects_groups()</code> is a zero-based index denoting the effects unit and
+ * <code>0 <= j < fluid_synth_count_effects_channels()</code> is a zero-based index denoting the effect channel within
+ * unit \p k.
+ *
+ * Any playing voice is assigned to audio channels based on the MIDI channel it's playing on: Let \p chan be the
+ * zero-based MIDI channel index an arbitrary voice is playing on. To determine the audio channel and effects unit it is
+ * going to be rendered to use:
+ *
+ * <code>i = chan % fluid_synth_count_audio_groups()</code>
+ *
+ * <code>k = chan % fluid_synth_count_effects_groups()</code>
+ *
+ * @parblock
+ * @note The owner of the sample buffers must zero them out before calling this
+ * function, because any synthesized audio is mixed (i.e. added) to the buffers.
+ * E.g. if fluid_synth_process() is called from a custom audio driver process function
+ * (see new_fluid_audio_driver2()), the audio driver takes care of zeroing the buffers.
+ * @endparblock
+ *
+ * @parblock
+ * @note No matter how many buffers you pass in, fluid_synth_process()
+ * will always render all audio channels to the
+ * buffers in \c out and all effects channels to the
+ * buffers in \c fx, provided that <code>nout > 0</code> and <code>nfx > 0</code> respectively. If
+ * <code>nout/2 < fluid_synth_count_audio_channels()</code> it will wrap around. Same
+ * is true for effects audio if <code>nfx/2 < (fluid_synth_count_effects_channels() * fluid_synth_count_effects_groups())</code>.
+ * See usage examples below.
+ * @endparblock
+ *
+ * @parblock
+ * @note Should only be called from synthesis thread.
+ * @endparblock
+ */
+int
+fluid_synth_process(fluid_synth_t *synth, int len, int nfx, float *fx[],
+                    int nout, float *out[])
+{
+    return fluid_synth_process_LOCAL(synth, len, nfx, fx, nout, out, fluid_synth_render_blocks);
+}
+
+/* declared public (instead of static) for testing purpose */
+int
+fluid_synth_process_LOCAL(fluid_synth_t *synth, int len, int nfx, float *fx[],
+                    int nout, float *out[], int (*block_render_func)(fluid_synth_t *, int))
+{
+    fluid_real_t *left_in, *fx_left_in;
+    fluid_real_t *right_in, *fx_right_in;
+    int nfxchan, nfxunits, naudchan;
+
+    double time = fluid_utime();
+    int i, f, num, count, buffered_blocks;
+
+    float cpu_load;
+
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+
+    /* fx NULL while nfx > 0 is invalid */
+    fluid_return_val_if_fail((fx != NULL) || (nfx == 0), FLUID_FAILED);
+    /* nfx must be multiple of 2. Note that 0 value is valid and
+       allows to skip mixing in fx output buffers
+    */
+    fluid_return_val_if_fail(nfx % 2 == 0, FLUID_FAILED);
+
+    /* out NULL while nout > 0 is invalid */
+    fluid_return_val_if_fail((out != NULL) || (nout == 0), FLUID_FAILED);
+    /* nout must be multiple of 2. Note that 0 value is valid and
+       allows to skip mixing in out output buffers
+    */
+    fluid_return_val_if_fail(nout % 2 == 0, FLUID_FAILED);
+
+    /* check len value. Note that 0 value is valid, the function does nothing and returns FLUID_OK.
+    */
+    fluid_return_val_if_fail(len >= 0, FLUID_FAILED);
+    fluid_return_val_if_fail(len != 0, FLUID_OK); // to avoid raising FE_DIVBYZERO below
+
+    nfxchan = synth->effects_channels;
+    nfxunits = synth->effects_groups;
+    naudchan = synth->audio_channels;
+
+    fluid_return_val_if_fail(0 <= nfx / 2 && nfx / 2 <= nfxchan * nfxunits, FLUID_FAILED);
+    fluid_return_val_if_fail(0 <= nout / 2 && nout / 2 <= naudchan, FLUID_FAILED);
+
+    /* get internal mixer audio dry buffer's pointer (left and right channel) */
+    fluid_rvoice_mixer_get_bufs(synth->eventhandler->mixer, &left_in, &right_in);
+    /* get internal mixer audio effect buffer's pointer (left and right channel) */
+    fluid_rvoice_mixer_get_fx_bufs(synth->eventhandler->mixer, &fx_left_in, &fx_right_in);
+
+    /* Conversely to fluid_synth_write_float(),fluid_synth_write_s16() (which handle only one
+       stereo output) we don't want rendered audio effect mixed in internal audio dry buffers.
+       FALSE instructs the mixer that internal audio effects will be mixed in respective internal
+       audio effects buffers.
+    */
+    fluid_rvoice_mixer_set_mix_fx(synth->eventhandler->mixer, FALSE);
+
+
+    /* First, take what's still available in the buffer */
+    count = 0;
+    /* synth->cur indicates if available samples are still in internal mixer buffer */
+    num = synth->cur;
+
+    buffered_blocks = (synth->cur + FLUID_BUFSIZE - 1) / FLUID_BUFSIZE;
+    if(synth->cur < buffered_blocks * FLUID_BUFSIZE)
+    {
+        /* yes, available sample are in internal mixer buffer */
+        int available = (buffered_blocks * FLUID_BUFSIZE) - synth->cur;
+        num = (available > len) ? len : available;
+
+        /* mixing dry samples (or skip if requested by the caller) */
+        if(nout != 0)
+        {
+            for(i = 0; i < naudchan; i++)
+            {
+                /* mix num left samples from input mixer buffer (left_in) at input offset
+                   synth->cur to output buffer (out_buf) at offset 0 */
+                float *out_buf = out[(i * 2) % nout];
+                fluid_synth_mix_single_buffer(out_buf, 0, left_in, synth->cur, i, num);
+
+                /* mix num right samples from input mixer buffer (right_in) at input offset
+                   synth->cur to output buffer (out_buf) at offset 0 */
+                out_buf = out[(i * 2 + 1) % nout];
+                fluid_synth_mix_single_buffer(out_buf, 0, right_in, synth->cur, i, num);
+            }
+        }
+
+        /* mixing effects samples (or skip if requested by the caller) */
+        if(nfx != 0)
+        {
+            // loop over all effects units
+            for(f = 0; f < nfxunits; f++)
+            {
+                // write out all effects (i.e. reverb and chorus)
+                for(i = 0; i < nfxchan; i++)
+                {
+                    int buf_idx = f * nfxchan + i;
+
+                    /* mix num left samples from input mixer buffer (fx_left_in) at input offset
+                       synth->cur to output buffer (out_buf) at offset 0 */
+                    float *out_buf = fx[(buf_idx * 2) % nfx];
+                    fluid_synth_mix_single_buffer(out_buf, 0, fx_left_in, synth->cur, buf_idx, num);
+
+                    /* mix num right samples from input mixer buffer (fx_right_in) at input offset
+                       synth->cur to output buffer (out_buf) at offset 0 */
+                    out_buf = fx[(buf_idx * 2 + 1) % nfx];
+                    fluid_synth_mix_single_buffer(out_buf, 0, fx_right_in, synth->cur, buf_idx, num);
+                }
+            }
+        }
+
+        count += num;
+        num += synth->cur; /* if we're now done, num becomes the new synth->cur below */
+    }
+
+    /* Then, render blocks and copy till we have 'len' samples  */
+    while(count < len)
+    {
+        /* always render full bloc multiple of FLUID_BUFSIZE */
+        int blocksleft = (len - count + FLUID_BUFSIZE - 1) / FLUID_BUFSIZE;
+        /* render audio (dry and effect) to respective internal dry and effect buffers */
+        int blockcount = block_render_func(synth, blocksleft);
+
+        num = (blockcount * FLUID_BUFSIZE > len - count) ? len - count : blockcount * FLUID_BUFSIZE;
+
+        /* mixing dry samples (or skip if requested by the caller) */
+        if(nout != 0)
+        {
+            for(i = 0; i < naudchan; i++)
+            {
+                /* mix num left samples from input mixer buffer (left_in) at input offset
+                   0 to output buffer (out_buf) at offset count */
+                float *out_buf = out[(i * 2) % nout];
+                fluid_synth_mix_single_buffer(out_buf, count, left_in, 0, i, num);
+
+                /* mix num right samples from input mixer buffer (right_in) at input offset
+                   0 to output buffer (out_buf) at offset count */
+                out_buf = out[(i * 2 + 1) % nout];
+                fluid_synth_mix_single_buffer(out_buf, count, right_in, 0, i, num);
+            }
+        }
+
+        /* mixing effects samples (or skip if requested by the caller) */
+        if(nfx != 0)
+        {
+            // loop over all effects units
+            for(f = 0; f < nfxunits; f++)
+            {
+                // write out all effects (i.e. reverb and chorus)
+                for(i = 0; i < nfxchan; i++)
+                {
+                    int buf_idx = f * nfxchan + i;
+
+                    /* mix num left samples from input mixer buffer (fx_left_in) at input offset
+                       0 to output buffer (out_buf) at offset count */
+                    float *out_buf = fx[(buf_idx * 2) % nfx];
+                    fluid_synth_mix_single_buffer(out_buf, count, fx_left_in, 0, buf_idx, num);
+
+                    /* mix num right samples from input mixer buffer (fx_right_in) at input offset
+                       0 to output buffer (out_buf) at offset count */
+                    out_buf = fx[(buf_idx * 2 + 1) % nfx];
+                    fluid_synth_mix_single_buffer(out_buf, count, fx_right_in, 0, buf_idx, num);
+                }
+            }
+        }
+
+        count += num;
+    }
+
+    synth->cur = num;
+
+    time = fluid_utime() - time;
+    cpu_load = 0.5 * (fluid_atomic_float_get(&synth->cpu_load) + time * synth->sample_rate / len / 10000.0);
+    fluid_atomic_float_set(&synth->cpu_load, cpu_load);
+
+    return FLUID_OK;
+}
+
+
+/**
+ * Synthesize a block of floating point audio samples to audio buffers.
+ * @param synth FluidSynth instance
+ * @param len Count of audio frames to synthesize
+ * @param lout Array of floats to store left channel of audio
+ * @param loff Offset index in 'lout' for first sample
+ * @param lincr Increment between samples stored to 'lout'
+ * @param rout Array of floats to store right channel of audio
+ * @param roff Offset index in 'rout' for first sample
+ * @param rincr Increment between samples stored to 'rout'
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ *
+ * Useful for storing interleaved stereo (lout = rout, loff = 0, roff = 1,
+ * lincr = 2, rincr = 2).
+ *
+ * @note Should only be called from synthesis thread.
+ * @note Reverb and Chorus are mixed to \c lout resp. \c rout.
+ */
+int
+fluid_synth_write_float(fluid_synth_t *synth, int len,
+                        void *lout, int loff, int lincr,
+                        void *rout, int roff, int rincr)
+{
+    void *channels_out[2] = {lout, rout};
+    int channels_off[2] = {loff, roff };
+    int channels_incr[2] = {lincr, rincr };
+
+    return fluid_synth_write_float_channels(synth, len, 2, channels_out,
+                                            channels_off, channels_incr);
+}
+
+/**
+ * Synthesize a block of float audio samples channels to audio buffers.
+ * The function is convenient for audio driver to render multiple stereo
+ * channels pairs on multi channels audio cards (i.e 2, 4, 6, 8,.. channels).
+ *
+ * @param synth FluidSynth instance.
+ * @param len Count of audio frames to synthesize.
+ * @param channels_count Count of channels in a frame.
+ *  must be multiple of 2 and  channel_count/2 must not exceed the number
+ *  of internal mixer buffers (synth->audio_groups)
+ * @param channels_out Array of channels_count pointers on 16 bit words to
+ *  store sample channels. Modified on return.
+ * @param channels_off Array of channels_count offset index to add to respective pointer
+ *  in channels_out for first sample.
+ * @param channels_incr Array of channels_count increment between consecutive
+ *  samples channels.
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise.
+ *
+ * Useful for storing:
+ * - interleaved channels in a unique buffer.
+ * - non interleaved channels in an unique buffer (or in distinct buffers).
+ *
+ * Example for interleaved 4 channels (c1, c2, c3, c4) and n samples (s1, s2,..sn)
+ * in a unique buffer:
+ * { s1:c1, s1:c2, s1:c3, s1:c4,  s2:c1, s2:c2, s2:c3, s2:c4,...
+ *   sn:c1, sn:c2, sn:c3, sn:c4 }.
+ *
+ * @note Should only be called from synthesis thread.
+ * @note Reverb and Chorus are mixed to \c lout resp. \c rout.
+ */
+int
+fluid_synth_write_float_channels(fluid_synth_t *synth, int len,
+                                 int channels_count,
+                                 void *channels_out[], int channels_off[],
+                                 int channels_incr[])
+{
+    return fluid_synth_write_float_channels_LOCAL(synth, len, channels_count,
+                                      channels_out, channels_off, channels_incr,
+                                      fluid_synth_render_blocks);
+}
+
+int
+fluid_synth_write_float_channels_LOCAL(fluid_synth_t *synth, int len,
+                                 int channels_count,
+                                 void *channels_out[], int channels_off[],
+                                 int channels_incr[],
+                                 int (*block_render_func)(fluid_synth_t *, int))
+{
+    float **chan_out = (float **)channels_out;
+    int n, cur, size;
+
+    /* pointers on first input mixer buffer */
+    fluid_real_t *left_in;
+    fluid_real_t *right_in;
+    int bufs_in_count; /* number of stereo input buffers */
+    int i;
+
+    /* start average cpu load probe */
+    double time = fluid_utime();
+    float cpu_load;
+
+    /* start profiling duration probe (if profiling is enabled) */
+    fluid_profile_ref_var(prof_ref);
+
+    /* check parameters */
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+
+    fluid_return_val_if_fail(len >= 0, FLUID_FAILED);
+    fluid_return_val_if_fail(len != 0, FLUID_OK); // to avoid raising FE_DIVBYZERO below
+
+    /* check for valid channel_count: must be multiple of 2 and
+       channel_count/2 must not exceed the number of internal mixer buffers
+       (synth->audio_groups)
+    */
+    fluid_return_val_if_fail(!(channels_count & 1)  /* must be multiple of 2 */
+                             && channels_count >= 2, FLUID_FAILED);
+
+    bufs_in_count = (unsigned int)channels_count >> 1; /* channels_count/2 */
+    fluid_return_val_if_fail(bufs_in_count <= synth->audio_groups, FLUID_FAILED);
+
+    fluid_return_val_if_fail(channels_out != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(channels_off != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(channels_incr != NULL, FLUID_FAILED);
+
+    /* initialize output channels buffers on first sample position */
+    i = channels_count;
+    do
+    {
+        i--;
+        chan_out[i] += channels_off[i];
+    }
+    while(i);
+
+    /* Conversely to fluid_synth_process(),
+       we want rendered audio effect mixed in internal audio dry buffers.
+       TRUE instructs the mixer that internal audio effects will be mixed in internal
+       audio dry buffers.
+    */
+    fluid_rvoice_mixer_set_mix_fx(synth->eventhandler->mixer, TRUE);
+
+    /* get first internal mixer audio dry buffer's pointer (left and right channel) */
+    fluid_rvoice_mixer_get_bufs(synth->eventhandler->mixer, &left_in, &right_in);
+
+    size = len;
+
+    /* synth->cur indicates if available samples are still in internal mixer buffer */
+    cur = synth->cur; /* get previous sample position in internal buffer (due to prvious call) */
+
+    do
+    {
+        /* fill up the buffers as needed */
+        if(cur >= synth->curmax)
+        {
+            /* render audio (dry and effect) to internal dry buffers */
+            /* always render full blocs multiple of FLUID_BUFSIZE */
+            int blocksleft = (size + FLUID_BUFSIZE - 1) / FLUID_BUFSIZE;
+            synth->curmax = FLUID_BUFSIZE * block_render_func(synth, blocksleft);
+
+            /* get first internal mixer audio dry buffer's pointer (left and right channel) */
+            fluid_rvoice_mixer_get_bufs(synth->eventhandler->mixer, &left_in, &right_in);
+            cur = 0;
+        }
+
+        /* calculate amount of available samples */
+        n = synth->curmax - cur;
+
+        /* keep track of emitted samples */
+        if(n > size)
+        {
+            n = size;
+        }
+
+        size -= n;
+
+        /* update pointers to current position */
+        left_in  += cur + n;
+        right_in += cur + n;
+
+        /* set final cursor position */
+        cur += n;
+
+        /* reverse index */
+        n = 0 - n;
+
+        do
+        {
+            i = bufs_in_count;
+            do
+            {
+                /* input sample index in stereo buffer i */
+                int in_idx = --i * FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT + n;
+                int c = i << 1; /* channel index c to write */
+
+                /* write left input sample to channel sample */
+                *chan_out[c] = (float) left_in[in_idx];
+
+                /* write right input sample to next channel sample */
+                *chan_out[c+1] = (float) right_in[in_idx];
+
+                /* advance output pointers */
+                chan_out[c]   += channels_incr[c];
+                chan_out[c+1] += channels_incr[c+1];
+            }
+            while(i);
+        }
+        while(++n < 0);
+    }
+    while(size);
+
+    synth->cur = cur; /* save current sample position. It will be used on next call */
+
+    /* save average cpu load, use by API for real time cpu load meter */
+    time = fluid_utime() - time;
+    cpu_load = 0.5 * (fluid_atomic_float_get(&synth->cpu_load) + time * synth->sample_rate / len / 10000.0);
+    fluid_atomic_float_set(&synth->cpu_load, cpu_load);
+
+    /* stop duration probe and save performance measurement (if profiling is enabled) */
+    fluid_profile_write(FLUID_PROF_WRITE, prof_ref,
+                        fluid_rvoice_mixer_get_active_voices(synth->eventhandler->mixer),
+                        len);
+    return FLUID_OK;
+}
+
+/* for testing purpose */
+int
+fluid_synth_write_float_LOCAL(fluid_synth_t *synth, int len,
+                              void *lout, int loff, int lincr,
+                              void *rout, int roff, int rincr,
+                              int (*block_render_func)(fluid_synth_t *, int)
+                             )
+{
+    void *channels_out[2] = {lout, rout};
+    int channels_off[2] = {loff, roff };
+    int channels_incr[2] = {lincr, rincr };
+
+    return fluid_synth_write_float_channels_LOCAL(synth, len, 2, channels_out,
+                                            channels_off, channels_incr,
+                                            block_render_func);
+}
+
+
+#define DITHER_SIZE 48000
+#define DITHER_CHANNELS 2
+
+static float rand_table[DITHER_CHANNELS][DITHER_SIZE];
+
+/* Init dither table */
+static void
+init_dither(void)
+{
+    float d, dp;
+    int c, i;
+
+    for(c = 0; c < DITHER_CHANNELS; c++)
+    {
+        dp = 0;
+
+        for(i = 0; i < DITHER_SIZE - 1; i++)
+        {
+            d = rand() / (float)RAND_MAX - 0.5f;
+            rand_table[c][i] = d - dp;
+            dp = d;
+        }
+
+        rand_table[c][DITHER_SIZE - 1] = 0 - dp;
+    }
+}
+
+/* A portable replacement for roundf(), seems it may actually be faster too! */
+static FLUID_INLINE int16_t
+round_clip_to_i16(float x)
+{
+    long i;
+
+    if(x >= 0.0f)
+    {
+        i = (long)(x + 0.5f);
+
+        if(FLUID_UNLIKELY(i > 32767))
+        {
+            i = 32767;
+        }
+    }
+    else
+    {
+        i = (long)(x - 0.5f);
+
+        if(FLUID_UNLIKELY(i < -32768))
+        {
+            i = -32768;
+        }
+    }
+
+    return (int16_t)i;
+}
+
+/**
+ * Synthesize a block of 16 bit audio samples to audio buffers.
+ * @param synth FluidSynth instance
+ * @param len Count of audio frames to synthesize
+ * @param lout Array of 16 bit words to store left channel of audio
+ * @param loff Offset index in 'lout' for first sample
+ * @param lincr Increment between samples stored to 'lout'
+ * @param rout Array of 16 bit words to store right channel of audio
+ * @param roff Offset index in 'rout' for first sample
+ * @param rincr Increment between samples stored to 'rout'
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ *
+ * Useful for storing interleaved stereo (lout = rout, loff = 0, roff = 1,
+ * lincr = 2, rincr = 2).
+ *
+ * @note Should only be called from synthesis thread.
+ * @note Reverb and Chorus are mixed to \c lout resp. \c rout.
+ * @note Dithering is performed when converting from internal floating point to
+ * 16 bit audio.
+ */
+int
+fluid_synth_write_s16(fluid_synth_t *synth, int len,
+                      void *lout, int loff, int lincr,
+                      void *rout, int roff, int rincr)
+{
+    void *channels_out[2] = {lout, rout};
+    int channels_off[2] = {loff, roff };
+    int channels_incr[2] = {lincr, rincr };
+
+    return fluid_synth_write_s16_channels(synth, len, 2, channels_out,
+                                          channels_off, channels_incr);
+}
+
+/**
+ * Synthesize a block of 16 bit audio samples channels to audio buffers.
+ * The function is convenient for audio driver to render multiple stereo
+ * channels pairs on multi channels audio cards (i.e 2, 4, 6, 8,.. channels).
+ *
+ * @param synth FluidSynth instance.
+ * @param len Count of audio frames to synthesize.
+ * @param channels_count Count of channels in a frame.
+ *  must be multiple of 2 and  channel_count/2 must not exceed the number
+ *  of internal mixer buffers (synth->audio_groups)
+ * @param channels_out Array of channels_count pointers on 16 bit words to
+ *  store sample channels. Modified on return.
+ * @param channels_off Array of channels_count offset index to add to respective pointer
+ *  in channels_out for first sample.
+ * @param channels_incr Array of channels_count increment between consecutive
+ *  samples channels.
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise.
+ *
+ * Useful for storing:
+ * - interleaved channels in a unique buffer.
+ * - non interleaved channels in an unique buffer (or in distinct buffers).
+ *
+ * Example for interleaved 4 channels (c1, c2, c3, c4) and n samples (s1, s2,..sn)
+ * in a unique buffer:
+ * { s1:c1, s1:c2, s1:c3, s1:c4,  s2:c1, s2:c2, s2:c3, s2:c4, ....
+ *   sn:c1, sn:c2, sn:c3, sn:c4 }.
+ *
+ * @note Should only be called from synthesis thread.
+ * @note Reverb and Chorus are mixed to \c lout resp. \c rout.
+ * @note Dithering is performed when converting from internal floating point to
+ * 16 bit audio.
+ */
+int
+fluid_synth_write_s16_channels(fluid_synth_t *synth, int len,
+                               int channels_count,
+                               void *channels_out[], int channels_off[],
+                               int channels_incr[])
+{
+    int16_t **chan_out = (int16_t **)channels_out;
+    int di, n, cur, size;
+
+    /* pointers on first input mixer buffer */
+    fluid_real_t *left_in;
+    fluid_real_t *right_in;
+    int bufs_in_count; /* number of stereo input buffers */
+    int i;
+
+    /* start average cpu load probe */
+    double time = fluid_utime();
+    float cpu_load;
+
+    /* start profiling duration probe (if profiling is enabled) */
+    fluid_profile_ref_var(prof_ref);
+
+    /* check parameters */
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+
+    fluid_return_val_if_fail(len >= 0, FLUID_FAILED);
+    fluid_return_val_if_fail(len != 0, FLUID_OK); // to avoid raising FE_DIVBYZERO below
+
+    /* check for valid channel_count: must be multiple of 2 and
+       channel_count/2 must not exceed the number of internal mixer buffers
+       (synth->audio_groups)
+    */
+    fluid_return_val_if_fail(!(channels_count & 1)  /* must be multiple of 2 */
+                             && channels_count >= 2, FLUID_FAILED);
+
+    bufs_in_count = (unsigned int)channels_count >> 1; /* channels_count/2 */
+    fluid_return_val_if_fail(bufs_in_count <= synth->audio_groups, FLUID_FAILED);
+
+    fluid_return_val_if_fail(channels_out != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(channels_off != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(channels_incr != NULL, FLUID_FAILED);
+
+    /* initialize output channels buffers on first sample position */
+    i = channels_count;
+    do
+    {
+        i--;
+        chan_out[i] += channels_off[i];
+    }
+    while(i);
+
+    /* Conversely to fluid_synth_process(),
+       we want rendered audio effect mixed in internal audio dry buffers.
+       TRUE instructs the mixer that internal audio effects will be mixed in internal
+       audio dry buffers.
+    */
+    fluid_rvoice_mixer_set_mix_fx(synth->eventhandler->mixer, TRUE);
+    /* get first internal mixer audio dry buffer's pointer (left and right channel) */
+    fluid_rvoice_mixer_get_bufs(synth->eventhandler->mixer, &left_in, &right_in);
+
+    size = len;
+    /* synth->cur indicates if available samples are still in internal mixer buffer */
+    cur = synth->cur; /* get previous sample position in internal buffer (due to prvious call) */
+    di = synth->dither_index;
+
+    do
+    {
+        /* fill up the buffers as needed */
+        if(cur >= synth->curmax)
+        {
+            /* render audio (dry and effect) to internal dry buffers */
+            /* always render full blocs multiple of FLUID_BUFSIZE */
+            int blocksleft = (size + FLUID_BUFSIZE - 1) / FLUID_BUFSIZE;
+            synth->curmax = FLUID_BUFSIZE * fluid_synth_render_blocks(synth, blocksleft);
+
+            /* get first internal mixer audio dry buffer's pointer (left and right channel) */
+            fluid_rvoice_mixer_get_bufs(synth->eventhandler->mixer, &left_in, &right_in);
+            cur = 0;
+        }
+
+        /* calculate amount of available samples */
+        n = synth->curmax - cur;
+
+        /* keep track of emitted samples */
+        if(n > size)
+        {
+            n = size;
+        }
+
+        size -= n;
+
+        /* update pointers to current position */
+        left_in  += cur + n;
+        right_in += cur + n;
+
+        /* set final cursor position */
+        cur += n;
+
+        /* reverse index */
+        n = 0 - n;
+
+        do
+        {
+            i = bufs_in_count;
+            do
+            {
+                /* input sample index in stereo buffer i */
+                int in_idx = --i * FLUID_BUFSIZE * FLUID_MIXER_MAX_BUFFERS_DEFAULT + n;
+                int c = i << 1; /* channel index c to write */
+
+                /* write left input sample to channel sample */
+                *chan_out[c] = round_clip_to_i16(left_in[in_idx] * 32766.0f +
+                                                 rand_table[0][di]);
+
+                /* write right input sample to next channel sample */
+                *chan_out[c+1] = round_clip_to_i16(right_in[in_idx] * 32766.0f +
+                                                   rand_table[1][di]);
+                /* advance output pointers */
+                chan_out[c]   += channels_incr[c];
+                chan_out[c+1] += channels_incr[c+1];
+            }
+            while(i);
+
+            if(++di >= DITHER_SIZE)
+            {
+                di = 0;
+            }
+        }
+        while(++n < 0);
+    }
+    while(size);
+
+    synth->cur = cur; /* save current sample position. It will be used on next call */
+    synth->dither_index = di;	/* keep dither buffer continuous */
+
+    /* save average cpu load, used by API for real time cpu load meter */
+    time = fluid_utime() - time;
+    cpu_load = 0.5 * (fluid_atomic_float_get(&synth->cpu_load) + time * synth->sample_rate / len / 10000.0);
+    fluid_atomic_float_set(&synth->cpu_load, cpu_load);
+
+    /* stop duration probe and save performance measurement (if profiling is enabled) */
+    fluid_profile_write(FLUID_PROF_WRITE, prof_ref,
+                        fluid_rvoice_mixer_get_active_voices(synth->eventhandler->mixer),
+                        len);
+    return FLUID_OK;
+}
+
+/**
+ * Converts stereo floating point sample data to signed 16 bit data with dithering.
+ * @param dither_index Pointer to an integer which should be initialized to 0
+ *   before the first call and passed unmodified to additional calls which are
+ *   part of the same synthesis output.
+ * @param len Length in frames to convert
+ * @param lin Buffer of left audio samples to convert from
+ * @param rin Buffer of right audio samples to convert from
+ * @param lout Array of 16 bit words to store left channel of audio
+ * @param loff Offset index in 'lout' for first sample
+ * @param lincr Increment between samples stored to 'lout'
+ * @param rout Array of 16 bit words to store right channel of audio
+ * @param roff Offset index in 'rout' for first sample
+ * @param rincr Increment between samples stored to 'rout'
+ *
+ * @note Currently private to libfluidsynth.
+ */
+void
+fluid_synth_dither_s16(int *dither_index, int len, const float *lin, const float *rin,
+                       void *lout, int loff, int lincr,
+                       void *rout, int roff, int rincr)
+{
+    int i, j, k;
+    int16_t *left_out = lout;
+    int16_t *right_out = rout;
+    int di = *dither_index;
+    fluid_profile_ref_var(prof_ref);
+
+    for(i = 0, j = loff, k = roff; i < len; i++, j += lincr, k += rincr)
+    {
+        left_out[j] = round_clip_to_i16(lin[i] * 32766.0f + rand_table[0][di]);
+        right_out[k] = round_clip_to_i16(rin[i] * 32766.0f + rand_table[1][di]);
+
+        if(++di >= DITHER_SIZE)
+        {
+            di = 0;
+        }
+    }
+
+    *dither_index = di;	/* keep dither buffer continuous */
+
+    fluid_profile(FLUID_PROF_WRITE, prof_ref, 0, len);
+}
+
+static void
+fluid_synth_check_finished_voices(fluid_synth_t *synth)
+{
+    int j;
+    fluid_rvoice_t *fv;
+
+    while(NULL != (fv = fluid_rvoice_eventhandler_get_finished_voice(synth->eventhandler)))
+    {
+        for(j = 0; j < synth->polyphony; j++)
+        {
+            if(synth->voice[j]->rvoice == fv)
+            {
+                fluid_voice_unlock_rvoice(synth->voice[j]);
+                fluid_voice_stop(synth->voice[j]);
+                break;
+            }
+            else if(synth->voice[j]->overflow_rvoice == fv)
+            {
+                /* Unlock the overflow_rvoice of the voice.
+                   Decrement the reference count of the sample owned by this
+                   rvoice.
+                */
+                fluid_voice_overflow_rvoice_finished(synth->voice[j]);
+
+                /* Decrement synth active voice count. Must not be incorporated
+                   in fluid_voice_overflow_rvoice_finished() because
+                   fluid_voice_overflow_rvoice_finished() is called also
+                   at synth destruction and in this case the variable should be
+                   accessed via voice->channel->synth->active_voice_count.
+                   And for certain voices which are not playing, the field
+                   voice->channel is NULL.
+                */
+                synth->active_voice_count--;
+                break;
+            }
+        }
+    }
+}
+
+/**
+ * Process all waiting events in the rvoice queue.
+ * Make sure no (other) rendering is running in parallel when
+ * you call this function!
+ */
+void fluid_synth_process_event_queue(fluid_synth_t *synth)
+{
+    fluid_rvoice_eventhandler_dispatch_all(synth->eventhandler);
+}
+
+
+/**
+ * Process blocks (FLUID_BUFSIZE) of audio.
+ * Must be called from renderer thread only!
+ * @return number of blocks rendered. Might (often) return less than requested
+ */
+static int
+fluid_synth_render_blocks(fluid_synth_t *synth, int blockcount)
+{
+    int i, maxblocks;
+    fluid_profile_ref_var(prof_ref);
+
+    /* Assign ID of synthesis thread */
+//  synth->synth_thread_id = fluid_thread_get_id ();
+
+    fluid_check_fpe("??? Just starting up ???");
+
+    fluid_rvoice_eventhandler_dispatch_all(synth->eventhandler);
+
+    /* do not render more blocks than we can store internally */
+    maxblocks = fluid_rvoice_mixer_get_bufcount(synth->eventhandler->mixer);
+
+    if(blockcount > maxblocks)
+    {
+        blockcount = maxblocks;
+    }
+
+    for(i = 0; i < blockcount; i++)
+    {
+        fluid_sample_timer_process(synth);
+        fluid_synth_add_ticks(synth, FLUID_BUFSIZE);
+
+        /* If events have been queued waiting for fluid_rvoice_eventhandler_dispatch_all()
+         * (should only happen with parallel render) stop processing and go for rendering
+         */
+        if(fluid_rvoice_eventhandler_dispatch_count(synth->eventhandler))
+        {
+            // Something has happened, we can't process more
+            blockcount = i + 1;
+            break;
+        }
+    }
+
+    fluid_check_fpe("fluid_sample_timer_process");
+
+    blockcount = fluid_rvoice_mixer_render(synth->eventhandler->mixer, blockcount);
+
+    /* Testcase, that provokes a denormal floating point error */
+#if 0
+    {
+        float num = 1;
+
+        while(num != 0)
+        {
+            num *= 0.5;
+        };
+    };
+#endif
+    fluid_check_fpe("??? Remainder of synth_one_block ???");
+    fluid_profile(FLUID_PROF_ONE_BLOCK, prof_ref,
+                  fluid_rvoice_mixer_get_active_voices(synth->eventhandler->mixer),
+                  blockcount * FLUID_BUFSIZE);
+    return blockcount;
+}
+
+/*
+ * Handler for synth.reverb.* and synth.chorus.* double settings.
+ */
+static void fluid_synth_handle_reverb_chorus_num(void *data, const char *name, double value)
+{
+    fluid_synth_t *synth = (fluid_synth_t *)data;
+    fluid_return_if_fail(synth != NULL);
+
+    if(FLUID_STRCMP(name, "synth.reverb.room-size") == 0)
+    {
+        fluid_synth_reverb_set_param(synth, -1, FLUID_REVERB_ROOMSIZE, value);
+    }
+    else if(FLUID_STRCMP(name, "synth.reverb.damp") == 0)
+    {
+        fluid_synth_reverb_set_param(synth, -1, FLUID_REVERB_DAMP, value);
+    }
+    else if(FLUID_STRCMP(name, "synth.reverb.width") == 0)
+    {
+        fluid_synth_reverb_set_param(synth, -1, FLUID_REVERB_WIDTH, value);
+    }
+    else if(FLUID_STRCMP(name, "synth.reverb.level") == 0)
+    {
+        fluid_synth_reverb_set_param(synth, -1, FLUID_REVERB_LEVEL, value);
+    }
+    else if(FLUID_STRCMP(name, "synth.chorus.depth") == 0)
+    {
+        fluid_synth_chorus_set_param(synth, -1, FLUID_CHORUS_DEPTH, value);
+    }
+    else if(FLUID_STRCMP(name, "synth.chorus.speed") == 0)
+    {
+        fluid_synth_chorus_set_param(synth, -1, FLUID_CHORUS_SPEED, value);
+    }
+    else if(FLUID_STRCMP(name, "synth.chorus.level") == 0)
+    {
+        fluid_synth_chorus_set_param(synth, -1, FLUID_CHORUS_LEVEL, value);
+    }
+}
+
+/*
+ * Handler for synth.reverb.* and synth.chorus.* integer settings.
+ */
+static void fluid_synth_handle_reverb_chorus_int(void *data, const char *name, int value)
+{
+    fluid_synth_t *synth = (fluid_synth_t *)data;
+    fluid_return_if_fail(synth != NULL);
+
+    if(FLUID_STRCMP(name, "synth.reverb.active") == 0)
+    {
+        fluid_synth_reverb_on(synth, -1, value);
+    }
+    else if(FLUID_STRCMP(name, "synth.chorus.active") == 0)
+    {
+        fluid_synth_chorus_on(synth, -1, value);
+    }
+    else if(FLUID_STRCMP(name, "synth.chorus.nr") == 0)
+    {
+		fluid_synth_chorus_set_param(synth, -1, FLUID_CHORUS_NR, (double)value);
+    }
+}
+
+/*
+ * Handler for synth.overflow.* settings.
+ */
+static void fluid_synth_handle_overflow(void *data, const char *name, double value)
+{
+    fluid_synth_t *synth = (fluid_synth_t *)data;
+    fluid_return_if_fail(synth != NULL);
+
+    fluid_synth_api_enter(synth);
+
+    if(FLUID_STRCMP(name, "synth.overflow.percussion") == 0)
+    {
+        synth->overflow.percussion = value;
+    }
+    else if(FLUID_STRCMP(name, "synth.overflow.released") == 0)
+    {
+        synth->overflow.released = value;
+    }
+    else if(FLUID_STRCMP(name, "synth.overflow.sustained") == 0)
+    {
+        synth->overflow.sustained = value;
+    }
+    else if(FLUID_STRCMP(name, "synth.overflow.volume") == 0)
+    {
+        synth->overflow.volume = value;
+    }
+    else if(FLUID_STRCMP(name, "synth.overflow.age") == 0)
+    {
+        synth->overflow.age = value;
+    }
+    else if(FLUID_STRCMP(name, "synth.overflow.important") == 0)
+    {
+        synth->overflow.important = value;
+    }
+
+    fluid_synth_api_exit(synth);
+}
+
+/* Selects a voice for killing. */
+static fluid_voice_t *
+fluid_synth_free_voice_by_kill_LOCAL(fluid_synth_t *synth)
+{
+    int i;
+    float best_prio = OVERFLOW_PRIO_CANNOT_KILL - 1;
+    float this_voice_prio;
+    fluid_voice_t *voice;
+    int best_voice_index = -1;
+    unsigned int ticks = fluid_synth_get_ticks(synth);
+
+    for(i = 0; i < synth->polyphony; i++)
+    {
+
+        voice = synth->voice[i];
+
+        /* safeguard against an available voice. */
+        if(_AVAILABLE(voice))
+        {
+            return voice;
+        }
+
+        this_voice_prio = fluid_voice_get_overflow_prio(voice, &synth->overflow,
+                          ticks);
+
+        /* check if this voice has less priority than the previous candidate. */
+        if(this_voice_prio < best_prio)
+        {
+            best_voice_index = i;
+            best_prio = this_voice_prio;
+        }
+    }
+
+    if(best_voice_index < 0)
+    {
+        return NULL;
+    }
+
+    voice = synth->voice[best_voice_index];
+    FLUID_LOG(FLUID_DBG, "Killing voice %d, index %d, chan %d, key %d ",
+              fluid_voice_get_id(voice), best_voice_index, fluid_voice_get_channel(voice), fluid_voice_get_key(voice));
+    fluid_voice_off(voice);
+
+    return voice;
+}
+
+
+/**
+ * Allocate a synthesis voice.
+ * @param synth FluidSynth instance
+ * @param sample Sample to assign to the voice
+ * @param chan MIDI channel number (0 to MIDI channel count - 1)
+ * @param key MIDI note number for the voice (0-127)
+ * @param vel MIDI velocity for the voice (0-127)
+ * @return Allocated synthesis voice or NULL on error
+ *
+ * This function is called by a SoundFont's preset in response to a noteon event.
+ * The returned voice comes with default modulators and generators.
+ * A single noteon event may create any number of voices, when the preset is layered.
+ *
+ * @note Should only be called from within synthesis thread, which includes
+ * SoundFont loader preset noteon method.
+ */
+fluid_voice_t *
+fluid_synth_alloc_voice(fluid_synth_t *synth, fluid_sample_t *sample,
+                        int chan, int key, int vel)
+{
+    fluid_return_val_if_fail(sample != NULL, NULL);
+    fluid_return_val_if_fail(sample->data != NULL, NULL);
+    FLUID_API_ENTRY_CHAN(NULL);
+    FLUID_API_RETURN(fluid_synth_alloc_voice_LOCAL(synth, sample, chan, key, vel, NULL));
+
+}
+
+fluid_voice_t *
+fluid_synth_alloc_voice_LOCAL(fluid_synth_t *synth, fluid_sample_t *sample, int chan, int key, int vel, fluid_zone_range_t *zone_range)
+{
+    int i, k;
+    fluid_voice_t *voice = NULL;
+    fluid_channel_t *channel = NULL;
+    unsigned int ticks;
+
+    /* check if there's an available synthesis process */
+    for(i = 0; i < synth->polyphony; i++)
+    {
+        if(_AVAILABLE(synth->voice[i]))
+        {
+            voice = synth->voice[i];
+            break;
+        }
+    }
+
+    /* No success yet? Then stop a running voice. */
+    if(voice == NULL)
+    {
+        FLUID_LOG(FLUID_DBG, "Polyphony exceeded, trying to kill a voice");
+        voice = fluid_synth_free_voice_by_kill_LOCAL(synth);
+    }
+
+    if(voice == NULL)
+    {
+        FLUID_LOG(FLUID_WARN, "Failed to allocate a synthesis process. (chan=%d,key=%d)", chan, key);
+        return NULL;
+    }
+
+    ticks = fluid_synth_get_ticks(synth);
+
+    if(synth->verbose)
+    {
+        k = 0;
+
+        for(i = 0; i < synth->polyphony; i++)
+        {
+            if(!_AVAILABLE(synth->voice[i]))
+            {
+                k++;
+            }
+        }
+
+        FLUID_LOG(FLUID_INFO, "noteon\t%d\t%d\t%d\t%05d\t%.3f\t%.3f\t%.3f\t%d",
+                  chan, key, vel, synth->storeid,
+                  (float) ticks / 44100.0f,
+                  (fluid_curtime() - synth->start) / 1000.0f,
+                  0.0f,
+                  k);
+    }
+
+    channel = synth->channel[chan];
+
+    if(fluid_voice_init(voice, sample, zone_range, channel, key, vel,
+                        synth->storeid, ticks, synth->gain) != FLUID_OK)
+    {
+        FLUID_LOG(FLUID_WARN, "Failed to initialize voice");
+        return NULL;
+    }
+
+    /* add the default modulators to the synthesis process. */
+    /* custom_breath2att_modulator is not a default modulator specified in SF
+      it is intended to replace default_vel2att_mod for this channel on demand using
+      API fluid_synth_set_breath_mode() or shell command setbreathmode for this channel.
+    */
+    {
+        int mono = fluid_channel_is_playing_mono(channel);
+        fluid_mod_t *default_mod = synth->default_mod;
+
+        while(default_mod != NULL)
+        {
+            if(
+                /* See if default_mod is the velocity_to_attenuation modulator */
+                fluid_mod_test_identity(default_mod, &default_vel2att_mod) &&
+                // See if a replacement by custom_breath2att_modulator has been demanded
+                // for this channel
+                ((!mono && (channel->mode &  FLUID_CHANNEL_BREATH_POLY)) ||
+                 (mono && (channel->mode &  FLUID_CHANNEL_BREATH_MONO)))
+            )
+            {
+                // Replacement of default_vel2att modulator by custom_breath2att_modulator
+                fluid_voice_add_mod_local(voice, &custom_breath2att_mod, FLUID_VOICE_DEFAULT, 0);
+            }
+            else
+            {
+                fluid_voice_add_mod_local(voice, default_mod, FLUID_VOICE_DEFAULT, 0);
+            }
+
+            // Next default modulator to add to the voice
+            default_mod = default_mod->next;
+        }
+    }
+
+    return voice;
+}
+
+/* Kill all voices on a given channel, which have the same exclusive class
+ * generator as new_voice.
+ */
+static void
+fluid_synth_kill_by_exclusive_class_LOCAL(fluid_synth_t *synth,
+        fluid_voice_t *new_voice)
+{
+    int excl_class = fluid_voice_gen_value(new_voice, GEN_EXCLUSIVECLASS);
+    int i;
+
+    /* Excl. class 0: No exclusive class */
+    if(excl_class == 0)
+    {
+        return;
+    }
+
+    /* Kill all notes on the same channel with the same exclusive class */
+    for(i = 0; i < synth->polyphony; i++)
+    {
+        fluid_voice_t *existing_voice = synth->voice[i];
+
+        /* If voice is playing, on the same channel, has same exclusive
+         * class and is not part of the same noteon event (voice group), then kill it */
+
+        if(fluid_voice_is_playing(existing_voice)
+                && fluid_voice_get_channel(existing_voice) == fluid_voice_get_channel(new_voice)
+                && fluid_voice_gen_value(existing_voice, GEN_EXCLUSIVECLASS) == excl_class
+                && fluid_voice_get_id(existing_voice) != fluid_voice_get_id(new_voice))
+        {
+            fluid_voice_kill_excl(existing_voice);
+        }
+    }
+}
+
+/**
+ * Activate a voice previously allocated with fluid_synth_alloc_voice().
+ * @param synth FluidSynth instance
+ * @param voice Voice to activate
+ *
+ * This function is called by a SoundFont's preset in response to a noteon
+ * event.  Exclusive classes are processed here.
+ *
+ * @note Should only be called from within synthesis thread, which includes
+ * SoundFont loader preset noteon method.
+ */
+void
+fluid_synth_start_voice(fluid_synth_t *synth, fluid_voice_t *voice)
+{
+    fluid_return_if_fail(synth != NULL);
+    fluid_return_if_fail(voice != NULL);
+//  fluid_return_if_fail (fluid_synth_is_synth_thread (synth));
+    fluid_synth_api_enter(synth);
+
+    /* Find the exclusive class of this voice. If set, kill all voices
+     * that match the exclusive class and are younger than the first
+     * voice process created by this noteon event. */
+    fluid_synth_kill_by_exclusive_class_LOCAL(synth, voice);
+
+    fluid_voice_start(voice);     /* Start the new voice */
+    fluid_voice_lock_rvoice(voice);
+    fluid_rvoice_eventhandler_add_rvoice(synth->eventhandler, voice->rvoice);
+    fluid_synth_api_exit(synth);
+}
+
+/**
+ * Add a SoundFont loader to the synth. This function takes ownership of \c loader
+ * and frees it automatically upon \c synth destruction.
+ * @param synth FluidSynth instance
+ * @param loader Loader API structure
+ *
+ * SoundFont loaders are used to add custom instrument loading to FluidSynth.
+ * The caller supplied functions for loading files, allocating presets,
+ * retrieving information on them and synthesizing note-on events.  Using this
+ * method even non SoundFont instruments can be synthesized, although limited
+ * to the SoundFont synthesis model.
+ *
+ * @note Should only be called before any SoundFont files are loaded.
+ */
+void
+fluid_synth_add_sfloader(fluid_synth_t *synth, fluid_sfloader_t *loader)
+{
+    fluid_return_if_fail(synth != NULL);
+    fluid_return_if_fail(loader != NULL);
+    fluid_synth_api_enter(synth);
+
+    /* Test if sfont is already loaded */
+    if(synth->sfont == NULL)
+    {
+        synth->loaders = fluid_list_prepend(synth->loaders, loader);
+    }
+
+    fluid_synth_api_exit(synth);
+}
+
+/**
+ * Load a SoundFont file (filename is interpreted by SoundFont loaders).
+ * The newly loaded SoundFont will be put on top of the SoundFont
+ * stack. Presets are searched starting from the SoundFont on the
+ * top of the stack, working the way down the stack until a preset is found.
+ *
+ * @param synth FluidSynth instance
+ * @param filename File to load
+ * @param reset_presets TRUE to re-assign presets for all MIDI channels (equivalent to calling fluid_synth_program_reset())
+ * @return SoundFont ID on success, #FLUID_FAILED on error
+ * 
+ * @note Since FluidSynth 2.2.0 @c filename is treated as an UTF8 encoded string on Windows. FluidSynth will convert it
+ * to wide-char internally and then pass it to <code>_wfopen()</code>. Before FluidSynth 2.2.0, @c filename was treated as ANSI string
+ * on Windows. All other platforms directly pass it to <code>fopen()</code> without any conversion (usually, UTF8 is accepted).
+ */
+int
+fluid_synth_sfload(fluid_synth_t *synth, const char *filename, int reset_presets)
+{
+    fluid_sfont_t *sfont;
+    fluid_list_t *list;
+    fluid_sfloader_t *loader;
+    int sfont_id;
+
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(filename != NULL, FLUID_FAILED);
+    fluid_synth_api_enter(synth);
+
+    sfont_id = synth->sfont_id;
+
+    if(++sfont_id != FLUID_FAILED)
+    {
+        /* MT NOTE: Loaders list should not change. */
+
+        for(list = synth->loaders; list; list = fluid_list_next(list))
+        {
+            loader = (fluid_sfloader_t *) fluid_list_get(list);
+
+            sfont = fluid_sfloader_load(loader, filename);
+
+            if(sfont != NULL)
+            {
+                sfont->refcount++;
+                synth->sfont_id = sfont->id = sfont_id;
+
+                synth->sfont = fluid_list_prepend(synth->sfont, sfont);   /* prepend to list */
+
+                /* reset the presets for all channels if requested */
+                if(reset_presets)
+                {
+                    fluid_synth_program_reset(synth);
+                }
+
+                FLUID_API_RETURN(sfont_id);
+            }
+        }
+    }
+
+    FLUID_LOG(FLUID_ERR, "Failed to load SoundFont \"%s\"", filename);
+    FLUID_API_RETURN(FLUID_FAILED);
+}
+
+/**
+ * Schedule a SoundFont for unloading.
+ *
+ * If the SoundFont isn't used anymore by any playing voices, it will be unloaded immediately.
+ *
+ * If any samples of the given SoundFont are still required by active voices,
+ * the SoundFont will be unloaded in a lazy manner, once those voices have finished synthesizing.
+ * If you call delete_fluid_synth(), all voices will be destroyed and the SoundFont
+ * will be unloaded in any case.
+ * Once this function returned, fluid_synth_sfcount() and similar functions will behave as if
+ * the SoundFont has already been unloaded, even though the lazy-unloading is still pending.
+ *
+ * @note This lazy-unloading mechanism was broken between FluidSynth 1.1.4 and 2.1.5 . As a
+ * consequence, SoundFonts scheduled for lazy-unloading may be never freed under certain
+ * conditions. Calling delete_fluid_synth() does not recover this situation either.
+ *
+ * @param synth FluidSynth instance
+ * @param id ID of SoundFont to unload
+ * @param reset_presets TRUE to re-assign presets for all MIDI channels
+ * @return #FLUID_OK if the given @p id was found, #FLUID_FAILED otherwise.
+ */
+int
+fluid_synth_sfunload(fluid_synth_t *synth, int id, int reset_presets)
+{
+    fluid_sfont_t *sfont = NULL;
+    fluid_list_t *list;
+
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_synth_api_enter(synth);
+
+    /* remove the SoundFont from the list */
+    for(list = synth->sfont; list; list = fluid_list_next(list))
+    {
+        sfont = fluid_list_get(list);
+
+        if(fluid_sfont_get_id(sfont) == id)
+        {
+            synth->sfont = fluid_list_remove(synth->sfont, sfont);
+            break;
+        }
+    }
+
+    if(!list)
+    {
+        FLUID_LOG(FLUID_ERR, "No SoundFont with id = %d", id);
+        FLUID_API_RETURN(FLUID_FAILED);
+    }
+
+    /* reset the presets for all channels (SoundFont will be freed when there are no more references) */
+    if(reset_presets)
+    {
+        fluid_synth_program_reset(synth);
+    }
+    else
+    {
+        fluid_synth_update_presets(synth);
+    }
+
+    /* -- Remove synth->sfont list's reference to SoundFont */
+    fluid_synth_sfont_unref(synth, sfont);
+
+    FLUID_API_RETURN(FLUID_OK);
+}
+
+/* Unref a SoundFont and destroy if no more references */
+void
+fluid_synth_sfont_unref(fluid_synth_t *synth, fluid_sfont_t *sfont)
+{
+    fluid_return_if_fail(sfont != NULL);     /* Shouldn't happen, programming error if so */
+
+    sfont->refcount--;             /* -- Remove the sfont list's reference */
+
+    if(sfont->refcount == 0)  /* No more references? - Attempt delete */
+    {
+        if(fluid_sfont_delete_internal(sfont) == 0)      /* SoundFont loader can block SoundFont unload */
+        {
+            FLUID_LOG(FLUID_DBG, "Unloaded SoundFont");
+        } /* spin off a timer thread to unload the sfont later (SoundFont loader blocked unload) */
+        else
+        {
+            fluid_timer_t* timer = new_fluid_timer(100, fluid_synth_sfunload_callback, sfont, TRUE, FALSE, FALSE);
+            synth->fonts_to_be_unloaded = fluid_list_prepend(synth->fonts_to_be_unloaded, timer);
+        }
+    }
+}
+
+/* Callback to continually attempt to unload a SoundFont,
+ * only if a SoundFont loader blocked the unload operation */
+static int
+fluid_synth_sfunload_callback(void *data, unsigned int msec)
+{
+    fluid_sfont_t *sfont = data;
+
+    if(fluid_sfont_delete_internal(sfont) == 0)
+    {
+        FLUID_LOG(FLUID_DBG, "Unloaded SoundFont");
+        return FALSE;
+    }
+    else
+    {
+        return TRUE;
+    }
+}
+
+/**
+ * Reload a SoundFont.  The SoundFont retains its ID and index on the SoundFont stack.
+ * @param synth FluidSynth instance
+ * @param id ID of SoundFont to reload
+ * @return SoundFont ID on success, #FLUID_FAILED on error
+ */
+int
+fluid_synth_sfreload(fluid_synth_t *synth, int id)
+{
+    char *filename = NULL;
+    fluid_sfont_t *sfont;
+    fluid_sfloader_t *loader;
+    fluid_list_t *list;
+    int index, ret = FLUID_FAILED;
+
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_synth_api_enter(synth);
+
+    /* Search for SoundFont and get its index */
+    for(list = synth->sfont, index = 0; list; list = fluid_list_next(list), index++)
+    {
+        sfont = fluid_list_get(list);
+
+        if(fluid_sfont_get_id(sfont) == id)
+        {
+            break;
+        }
+    }
+
+    if(!list)
+    {
+        FLUID_LOG(FLUID_ERR, "No SoundFont with id = %d", id);
+        goto exit;
+    }
+
+    /* keep a copy of the SoundFont's filename */
+    filename = FLUID_STRDUP(fluid_sfont_get_name(sfont));
+
+    if(filename == NULL || fluid_synth_sfunload(synth, id, FALSE) != FLUID_OK)
+    {
+        goto exit;
+    }
+
+    /* MT Note: SoundFont loader list will not change */
+
+    for(list = synth->loaders; list; list = fluid_list_next(list))
+    {
+        loader = (fluid_sfloader_t *) fluid_list_get(list);
+
+        sfont = fluid_sfloader_load(loader, filename);
+
+        if(sfont != NULL)
+        {
+            sfont->id = id;
+            sfont->refcount++;
+
+            synth->sfont = fluid_list_insert_at(synth->sfont, index, sfont);  /* insert the sfont at the same index */
+
+            /* reset the presets for all channels */
+            fluid_synth_update_presets(synth);
+            ret = id;
+            goto exit;
+        }
+    }
+
+    FLUID_LOG(FLUID_ERR, "Failed to load SoundFont \"%s\"", filename);
+
+exit:
+    FLUID_FREE(filename);
+    FLUID_API_RETURN(ret);
+}
+
+/**
+ * Add a SoundFont. The SoundFont will be added to the top of the SoundFont stack and ownership is transferred to @p synth.
+ * @param synth FluidSynth instance
+ * @param sfont SoundFont to add
+ * @return New assigned SoundFont ID or #FLUID_FAILED on error
+ */
+int
+fluid_synth_add_sfont(fluid_synth_t *synth, fluid_sfont_t *sfont)
+{
+    int sfont_id;
+
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(sfont != NULL, FLUID_FAILED);
+    fluid_synth_api_enter(synth);
+
+    sfont_id = synth->sfont_id;
+
+    if(++sfont_id != FLUID_FAILED)
+    {
+        synth->sfont_id = sfont->id = sfont_id;
+        synth->sfont = fluid_list_prepend(synth->sfont, sfont);        /* prepend to list */
+
+        /* reset the presets for all channels */
+        fluid_synth_program_reset(synth);
+    }
+
+    FLUID_API_RETURN(sfont_id);
+}
+
+/**
+ * Remove a SoundFont from the SoundFont stack without deleting it.
+ * @param synth FluidSynth instance
+ * @param sfont SoundFont to remove
+ * @return #FLUID_OK if \c sfont successfully removed, #FLUID_FAILED otherwise
+ *
+ * SoundFont is not freed and is left as the responsibility of the caller.
+ *
+ * @note The SoundFont should only be freed after there are no presets
+ *   referencing it.  This can only be ensured by the SoundFont loader and
+ *   therefore this function should not normally be used.
+ */
+int
+fluid_synth_remove_sfont(fluid_synth_t *synth, fluid_sfont_t *sfont)
+{
+    fluid_sfont_t *sfont_tmp;
+    fluid_list_t *list;
+    int ret = FLUID_FAILED;
+
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(sfont != NULL, FLUID_FAILED);
+    fluid_synth_api_enter(synth);
+
+    /* remove the SoundFont from the list */
+    for(list = synth->sfont; list; list = fluid_list_next(list))
+    {
+        sfont_tmp = fluid_list_get(list);
+
+        if(sfont_tmp == sfont)
+        {
+            synth->sfont = fluid_list_remove(synth->sfont, sfont_tmp);
+            ret = FLUID_OK;
+            break;
+        }
+    }
+
+    /* reset the presets for all channels */
+    fluid_synth_program_reset(synth);
+
+    FLUID_API_RETURN(ret);
+}
+
+/**
+ * Count number of loaded SoundFont files.
+ * @param synth FluidSynth instance
+ * @return Count of loaded SoundFont files.
+ */
+int
+fluid_synth_sfcount(fluid_synth_t *synth)
+{
+    int count;
+
+    fluid_return_val_if_fail(synth != NULL, 0);
+    fluid_synth_api_enter(synth);
+    count = fluid_list_size(synth->sfont);
+    FLUID_API_RETURN(count);
+}
+
+/**
+ * Get SoundFont by index.
+ * @param synth FluidSynth instance
+ * @param num SoundFont index on the stack (starting from 0 for top of stack).
+ * @return SoundFont instance or NULL if invalid index
+ *
+ * @note Caller should be certain that SoundFont is not deleted (unloaded) for
+ * the duration of use of the returned pointer.
+ */
+fluid_sfont_t *
+fluid_synth_get_sfont(fluid_synth_t *synth, unsigned int num)
+{
+    fluid_sfont_t *sfont = NULL;
+    fluid_list_t *list;
+
+    fluid_return_val_if_fail(synth != NULL, NULL);
+    fluid_synth_api_enter(synth);
+    list = fluid_list_nth(synth->sfont, num);
+
+    if(list)
+    {
+        sfont = fluid_list_get(list);
+    }
+
+    FLUID_API_RETURN(sfont);
+}
+
+/**
+ * Get SoundFont by ID.
+ * @param synth FluidSynth instance
+ * @param id SoundFont ID
+ * @return SoundFont instance or NULL if invalid ID
+ *
+ * @note Caller should be certain that SoundFont is not deleted (unloaded) for
+ * the duration of use of the returned pointer.
+ */
+fluid_sfont_t *
+fluid_synth_get_sfont_by_id(fluid_synth_t *synth, int id)
+{
+    fluid_sfont_t *sfont = NULL;
+    fluid_list_t *list;
+
+    fluid_return_val_if_fail(synth != NULL, NULL);
+    fluid_synth_api_enter(synth);
+
+    for(list = synth->sfont; list; list = fluid_list_next(list))
+    {
+        sfont = fluid_list_get(list);
+
+        if(fluid_sfont_get_id(sfont) == id)
+        {
+            break;
+        }
+    }
+
+    FLUID_API_RETURN(list ? sfont : NULL);
+}
+
+/**
+ * Get SoundFont by name.
+ * @param synth FluidSynth instance
+ * @param name Name of SoundFont
+ * @return SoundFont instance or NULL if invalid name
+ * @since 1.1.0
+ *
+ * @note Caller should be certain that SoundFont is not deleted (unloaded) for
+ * the duration of use of the returned pointer.
+ */
+fluid_sfont_t *
+fluid_synth_get_sfont_by_name(fluid_synth_t *synth, const char *name)
+{
+    fluid_sfont_t *sfont = NULL;
+    fluid_list_t *list;
+
+    fluid_return_val_if_fail(synth != NULL, NULL);
+    fluid_return_val_if_fail(name != NULL, NULL);
+    fluid_synth_api_enter(synth);
+
+    for(list = synth->sfont; list; list = fluid_list_next(list))
+    {
+        sfont = fluid_list_get(list);
+
+        if(FLUID_STRCMP(fluid_sfont_get_name(sfont), name) == 0)
+        {
+            break;
+        }
+    }
+
+    FLUID_API_RETURN(list ? sfont : NULL);
+}
+
+/**
+ * Get active preset on a MIDI channel.
+ * @param synth FluidSynth instance
+ * @param chan MIDI channel number (0 to MIDI channel count - 1)
+ * @return Preset or NULL if no preset active on \c chan
+ *
+ * @note Should only be called from within synthesis thread, which includes
+ * SoundFont loader preset noteon methods. Not thread safe otherwise.
+ */
+fluid_preset_t *
+fluid_synth_get_channel_preset(fluid_synth_t *synth, int chan)
+{
+    fluid_preset_t *result;
+    fluid_channel_t *channel;
+    FLUID_API_ENTRY_CHAN(NULL);
+
+    channel = synth->channel[chan];
+    result = channel->preset;
+    fluid_synth_api_exit(synth);
+    return result;
+}
+
+/**
+ * Get list of currently playing voices.
+ * @param synth FluidSynth instance
+ * @param buf Array to store voices to (NULL terminated if not filled completely)
+ * @param bufsize Count of indexes in buf
+ * @param id Voice ID to search for or < 0 to return list of all playing voices
+ *
+ * @note Should only be called from within synthesis thread, which includes
+ * SoundFont loader preset noteon methods.  Voices are only guaranteed to remain
+ * unchanged until next synthesis process iteration.
+ */
+void
+fluid_synth_get_voicelist(fluid_synth_t *synth, fluid_voice_t *buf[], int bufsize,
+                          int id)
+{
+    int count = 0;
+    int i;
+
+    fluid_return_if_fail(synth != NULL);
+    fluid_return_if_fail(buf != NULL);
+    fluid_synth_api_enter(synth);
+
+    for(i = 0; i < synth->polyphony && count < bufsize; i++)
+    {
+        fluid_voice_t *voice = synth->voice[i];
+
+        if(fluid_voice_is_playing(voice) && (id < 0 || (int)voice->id == id))
+        {
+            buf[count++] = voice;
+        }
+    }
+
+    if(count < bufsize)
+    {
+        buf[count] = NULL;
+    }
+
+    fluid_synth_api_exit(synth);
+}
+
+/**
+ * Enable or disable reverb effect.
+ * @param synth FluidSynth instance
+ * @param on TRUE to enable chorus, FALSE to disable
+ * @deprecated Use fluid_synth_reverb_on() instead.
+ */
+void
+fluid_synth_set_reverb_on(fluid_synth_t *synth, int on)
+{
+    fluid_return_if_fail(synth != NULL);
+    fluid_synth_api_enter(synth);
+
+    synth->with_reverb = (on != 0);
+    fluid_synth_update_mixer(synth, fluid_rvoice_mixer_set_reverb_enabled,
+                             on != 0, 0.0f);
+    fluid_synth_api_exit(synth);
+}
+
+/**
+ * Enable or disable reverb on one fx group unit.
+ * @param synth FluidSynth instance
+ * @param fx_group Index of the fx group.
+ *  Must be in the range <code>-1 to (fluid_synth_count_effects_groups()-1)</code>. If -1 the
+ *  parameter will be applied to all fx groups.
+ * @param on TRUE to enable reverb, FALSE to disable
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ */
+int
+fluid_synth_reverb_on(fluid_synth_t *synth, int fx_group, int on)
+{
+    int ret;
+	fluid_rvoice_param_t param[MAX_EVENT_PARAMS];
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+
+    fluid_synth_api_enter(synth);
+
+    if(fx_group  < -1 || fx_group >= synth->effects_groups)
+    {
+        FLUID_API_RETURN(FLUID_FAILED);
+    }
+
+    if(fx_group  < 0 )
+    {
+        synth->with_reverb = (on != 0);
+    }
+
+    param[0].i = fx_group;
+    param[1].i = on;
+    ret = fluid_rvoice_eventhandler_push(synth->eventhandler,
+                                         fluid_rvoice_mixer_reverb_enable,
+                                         synth->eventhandler->mixer,
+                                         param);
+
+    FLUID_API_RETURN(ret);
+}
+
+/**
+ * Activate a reverb preset.
+ * @param synth FluidSynth instance
+ * @param num Reverb preset number
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ *
+ * @note Currently private to libfluidsynth.
+ */
+int
+fluid_synth_set_reverb_preset(fluid_synth_t *synth, unsigned int num)
+{
+    double values[FLUID_REVERB_PARAM_LAST];
+
+    fluid_return_val_if_fail(
+        num < FLUID_N_ELEMENTS(revmodel_preset),
+        FLUID_FAILED
+    );
+
+    values[FLUID_REVERB_ROOMSIZE] = revmodel_preset[num].roomsize;
+    values[FLUID_REVERB_DAMP] = revmodel_preset[num].damp;
+    values[FLUID_REVERB_WIDTH] = revmodel_preset[num].width;
+    values[FLUID_REVERB_LEVEL] = revmodel_preset[num].level;
+    fluid_synth_set_reverb_full(synth, -1, FLUID_REVMODEL_SET_ALL, values);
+    return FLUID_OK;
+}
+
+/**
+ * Set reverb parameters to all groups.
+ *
+ * @param synth FluidSynth instance
+ * @param roomsize Reverb room size value (0.0-1.0)
+ * @param damping Reverb damping value (0.0-1.0)
+ * @param width Reverb width value (0.0-100.0)
+ * @param level Reverb level value (0.0-1.0)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ * @deprecated Use the individual reverb setter functions in new code instead.
+ */
+int
+fluid_synth_set_reverb(fluid_synth_t *synth, double roomsize, double damping,
+                       double width, double level)
+{
+    double values[FLUID_REVERB_PARAM_LAST];
+
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+
+    values[FLUID_REVERB_ROOMSIZE] = roomsize;
+    values[FLUID_REVERB_DAMP] = damping;
+    values[FLUID_REVERB_WIDTH] = width;
+    values[FLUID_REVERB_LEVEL] = level;
+    return fluid_synth_set_reverb_full(synth, -1, FLUID_REVMODEL_SET_ALL, values);
+}
+
+/**
+ * Set reverb roomsize of all groups.
+ *
+ * @param synth FluidSynth instance
+ * @param roomsize Reverb room size value (0.0-1.0)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ * @deprecated Use fluid_synth_set_reverb_group_roomsize() in new code instead.
+ */
+int fluid_synth_set_reverb_roomsize(fluid_synth_t *synth, double roomsize)
+{
+    return fluid_synth_reverb_set_param(synth, -1, FLUID_REVERB_ROOMSIZE, roomsize);
+}
+
+/**
+ * Set reverb damping of all groups.
+ *
+ * @param synth FluidSynth instance
+ * @param damping Reverb damping value (0.0-1.0)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ * @deprecated Use fluid_synth_set_reverb_group_damp() in new code instead.
+ */
+int fluid_synth_set_reverb_damp(fluid_synth_t *synth, double damping)
+{
+    return fluid_synth_reverb_set_param(synth, -1, FLUID_REVERB_DAMP, damping);
+}
+
+/**
+ * Set reverb width of all groups.
+ *
+ * @param synth FluidSynth instance
+ * @param width Reverb width value (0.0-100.0)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ * @deprecated Use fluid_synth_set_reverb_group_width() in new code instead.
+ */
+int fluid_synth_set_reverb_width(fluid_synth_t *synth, double width)
+{
+    return fluid_synth_reverb_set_param(synth, -1, FLUID_REVERB_WIDTH, width);
+}
+
+/**
+ * Set reverb level of all groups.
+ *
+ * @param synth FluidSynth instance
+ * @param level Reverb level value (0.0-1.0)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ * @deprecated Use fluid_synth_set_reverb_group_level() in new code instead.
+ */
+int fluid_synth_set_reverb_level(fluid_synth_t *synth, double level)
+{
+    return fluid_synth_reverb_set_param(synth, -1, FLUID_REVERB_LEVEL, level);
+}
+
+/**
+ * Set reverb roomsize to one or all fx groups.
+ * @param synth FluidSynth instance.
+ * @param fx_group Index of the fx group.
+ *  Must be in the range <code>-1 to (fluid_synth_count_effects_groups()-1)</code>. If -1 the
+ *  parameter will be applied to all fx groups.
+ * @param roomsize roomsize value to set. Must be in the range indicated by
+ * synth.reverb.room-size setting.
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ */
+int fluid_synth_set_reverb_group_roomsize(fluid_synth_t *synth, int fx_group,
+                                          double roomsize)
+{
+    return fluid_synth_reverb_set_param(synth, fx_group, FLUID_REVERB_ROOMSIZE, roomsize);
+}
+
+/**
+ * Set reverb damp to one or all fx groups.
+ * @param synth FluidSynth instance.
+ * @param fx_group Index of the fx group.
+ *  Must be in the range <code>-1 to (fluid_synth_count_effects_groups()-1)</code>. If -1 the
+ *  parameter will be applied to all fx groups.
+ * @param damping damping value to set. Must be in the range indicated by
+ * synth.reverb.damp setting.
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise.
+ */
+int fluid_synth_set_reverb_group_damp(fluid_synth_t *synth, int fx_group,
+                                      double damping)
+{
+    return fluid_synth_reverb_set_param(synth, fx_group, FLUID_REVERB_DAMP, damping);
+}
+
+/**
+ * Set reverb width to one or all fx groups.
+ * @param synth FluidSynth instance.
+ * @param fx_group Index of the fx group.
+ *  Must be in the range <code>-1 to (fluid_synth_count_effects_groups()-1)</code>. If -1 the
+ *  parameter will be applied to all fx groups.
+ * @param width width value to set. Must be in the range indicated by
+ * synth.reverb.width setting.
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise.
+ */
+int fluid_synth_set_reverb_group_width(fluid_synth_t *synth, int fx_group,
+                                      double width)
+{
+    return fluid_synth_reverb_set_param(synth, fx_group, FLUID_REVERB_WIDTH, width);
+}
+
+/**
+ * Set reverb level to one or all fx groups.
+ * @param synth FluidSynth instance.
+ * @param fx_group Index of the fx group.
+ *  Must be in the range <code>-1 to (fluid_synth_count_effects_groups()-1)</code>. If -1 the
+ *  parameter will be applied to all fx groups.
+ * @param level output level to set. Must be in the range indicated by
+ * synth.reverb.level setting.
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise.
+ */
+int fluid_synth_set_reverb_group_level(fluid_synth_t *synth, int fx_group,
+                                       double level)
+{
+    return fluid_synth_reverb_set_param(synth, fx_group, FLUID_REVERB_LEVEL, level);
+}
+
+/**
+ * Set one reverb parameter to one fx groups.
+ * @param synth FluidSynth instance.
+ * @param fx_group Index of the fx group.
+ *  Must be in the range <code>-1 to (fluid_synth_count_effects_groups()-1)</code>. If -1 the
+ *  parameter will be applied to all fx groups.
+ * @param enum indicating the parameter to set (#fluid_reverb_param).
+ *  FLUID_REVERB_ROOMSIZE, roomsize Reverb room size value (0.0-1.0)
+ *  FLUID_REVERB_DAMP, reverb damping value (0.0-1.0)
+ *  FLUID_REVERB_WIDTH, reverb width value (0.0-100.0)
+ *  FLUID_REVERB_LEVEL, reverb level value (0.0-1.0)
+ * @param value, parameter value
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ */
+int
+fluid_synth_reverb_set_param(fluid_synth_t *synth, int fx_group,
+                             int param, double value)
+{
+    int ret;
+    double values[FLUID_REVERB_PARAM_LAST] = {0.0};
+    static const char *name[FLUID_REVERB_PARAM_LAST] =
+    {
+        "synth.reverb.room-size", "synth.reverb.damp",
+        "synth.reverb.width", "synth.reverb.level"
+    };
+
+    double min; /* minimum value */
+    double max; /* maximum value */
+
+    /* check parameters */
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail((param >= 0) && (param < FLUID_REVERB_PARAM_LAST), FLUID_FAILED);
+    fluid_synth_api_enter(synth);
+
+    if(fx_group  < -1 || fx_group >= synth->effects_groups)
+    {
+        FLUID_API_RETURN(FLUID_FAILED);
+    }
+
+    /* check if reverb value is in max min range */
+    fluid_settings_getnum_range(synth->settings, name[param], &min, &max);
+    if(value  < min || value > max)
+    {
+        FLUID_API_RETURN(FLUID_FAILED);
+    }
+
+    /* set the value */
+    values[param] = value;
+    ret = fluid_synth_set_reverb_full(synth, fx_group, FLUID_REVPARAM_TO_SETFLAG(param), values);
+    FLUID_API_RETURN(ret);
+}
+
+int
+fluid_synth_set_reverb_full(fluid_synth_t *synth, int fx_group, int set,
+                            const double values[])
+{
+    fluid_rvoice_param_t param[MAX_EVENT_PARAMS];
+
+    /* if non of the flags is set, fail */
+    fluid_return_val_if_fail(set & FLUID_REVMODEL_SET_ALL, FLUID_FAILED);
+
+    /* fx group shadow values are set here so that they will be returned if queried */
+    fluid_rvoice_mixer_set_reverb_full(synth->eventhandler->mixer, fx_group, set,
+                                       values);
+
+    /* Synth shadow values are set here so that they will be returned if queried */
+    if (fx_group < 0)
+    {
+        int i;
+        for(i = 0; i < FLUID_REVERB_PARAM_LAST; i++)
+        {
+            if(set & FLUID_REVPARAM_TO_SETFLAG(i))
+            {
+                synth->reverb_param[i] = values[i];
+            }
+        }
+    }
+
+    param[0].i = fx_group;
+    param[1].i = set;
+    param[2].real = values[FLUID_REVERB_ROOMSIZE];
+    param[3].real = values[FLUID_REVERB_DAMP];
+    param[4].real = values[FLUID_REVERB_WIDTH];
+    param[5].real = values[FLUID_REVERB_LEVEL];
+    /* finally enqueue an rvoice event to the mixer to actual update reverb */
+    return fluid_rvoice_eventhandler_push(synth->eventhandler,
+                                         fluid_rvoice_mixer_set_reverb_params,
+                                         synth->eventhandler->mixer,
+                                         param);
+}
+
+/**
+ * Get reverb room size of all fx groups.
+ * @param synth FluidSynth instance
+ * @return Reverb room size (0.0-1.2)
+ * @deprecated Use fluid_synth_get_reverb_group_roomsize() in new code instead.
+ */
+double
+fluid_synth_get_reverb_roomsize(fluid_synth_t *synth)
+{
+    double roomsize = 0.0;
+    fluid_synth_reverb_get_param(synth, -1, FLUID_REVERB_ROOMSIZE, &roomsize);
+    return roomsize;
+}
+
+/**
+ * Get reverb damping of all fx groups.
+ * @param synth FluidSynth instance
+ * @return Reverb damping value (0.0-1.0)
+ * @deprecated Use fluid_synth_get_reverb_group_damp() in new code instead.
+ */
+double
+fluid_synth_get_reverb_damp(fluid_synth_t *synth)
+{
+    double damp = 0.0;
+    fluid_synth_reverb_get_param(synth, -1, FLUID_REVERB_DAMP, &damp);
+    return damp;
+}
+
+/**
+ * Get reverb level of all fx groups.
+ * @param synth FluidSynth instance
+ * @return Reverb level value (0.0-1.0)
+ * @deprecated Use fluid_synth_get_reverb_group_level() in new code instead.
+ */
+double
+fluid_synth_get_reverb_level(fluid_synth_t *synth)
+{
+    double level = 0.0;
+    fluid_synth_reverb_get_param(synth, -1, FLUID_REVERB_LEVEL, &level);
+    return level;
+}
+
+/**
+ * Get reverb width of all fx groups.
+ * @param synth FluidSynth instance
+ * @return Reverb width value (0.0-100.0)
+ * @deprecated Use fluid_synth_get_reverb_group_width() in new code instead.
+ */
+double
+fluid_synth_get_reverb_width(fluid_synth_t *synth)
+{
+    double width = 0.0;
+    fluid_synth_reverb_get_param(synth, -1, FLUID_REVERB_WIDTH, &width);
+    return width;
+}
+
+/**
+ * get reverb roomsize of one or all groups.
+ * @param synth FluidSynth instance.
+ * @param fx_group Index of the fx group.
+ *  Must be in the range <code>-1 to (fluid_synth_count_effects_groups()-1)</code>. If -1 the
+ *  parameter common to all fx groups is fetched.
+ * @param roomsize valid pointer on the value to return.
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ */
+int fluid_synth_get_reverb_group_roomsize(fluid_synth_t *synth, int fx_group,
+                                          double *roomsize)
+{
+    return fluid_synth_reverb_get_param(synth, fx_group, FLUID_REVERB_ROOMSIZE, roomsize);
+}
+
+/**
+ * get reverb damp of one or all groups.
+ * @param synth FluidSynth instance.
+ * @param fx_group Index of the fx group.
+ *  Must be in the range <code>-1 to (fluid_synth_count_effects_groups()-1)</code>. If -1 the
+ *  parameter common to all fx groups is fetched.
+ * @param damping valid pointer on the value to return.
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise.
+ */
+int fluid_synth_get_reverb_group_damp(fluid_synth_t *synth, int fx_group,
+                                      double *damping)
+{
+    return fluid_synth_reverb_get_param(synth, fx_group, FLUID_REVERB_DAMP, damping);
+}
+
+/**
+ * get reverb width of one or all groups
+ * @param synth FluidSynth instance.
+ * @param fx_group Index of the fx group.
+ *  Must be in the range <code>-1 to (fluid_synth_count_effects_groups()-1)</code>. If -1 the
+ *  parameter common to all fx groups is fetched.
+ * @param width valid pointer on the value to return.
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise.
+ */
+int fluid_synth_get_reverb_group_width(fluid_synth_t *synth, int fx_group,
+                                       double *width)
+{
+    return fluid_synth_reverb_get_param(synth, fx_group, FLUID_REVERB_WIDTH, width);
+}
+
+/**
+ * get reverb level of one or all groups.
+ * @param synth FluidSynth instance.
+ * @param fx_group Index of the fx group.
+ *  Must be in the range <code>-1 to (fluid_synth_count_effects_groups()-1)</code>. If -1 the
+ *  parameter common to all fx groups is fetched.
+ * @param level valid pointer on the value to return.
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise.
+ */
+int fluid_synth_get_reverb_group_level(fluid_synth_t *synth, int fx_group,
+                                       double *level)
+{
+    return fluid_synth_reverb_get_param(synth, fx_group, FLUID_REVERB_LEVEL, level);
+}
+
+
+/**
+ * Get one reverb parameter value of one fx groups.
+ * @param synth FluidSynth instance
+ * @param fx_group index of the fx group to get parameter value from.
+ *  Must be in the range -1 to synth->effects_groups-1. If -1 get the
+ *  parameter common to all fx groups.
+ * @param enum indicating the parameter to get (#fluid_reverb_param).
+ *  FLUID_REVERB_ROOMSIZE, reverb room size value.
+ *  FLUID_REVERB_DAMP, reverb damping value.
+ *  FLUID_REVERB_WIDTH, reverb width value.
+ *  FLUID_REVERB_LEVEL, reverb level value.
+ * @param value pointer on the value to return.
+ * @return FLUID_OK if success, FLUID_FAILED otherwise.
+ */
+static int fluid_synth_reverb_get_param(fluid_synth_t *synth, int fx_group,
+                                        int param, double *value)
+{
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail((param >= 0) && (param < FLUID_REVERB_PARAM_LAST), FLUID_FAILED);
+    fluid_return_val_if_fail(value != NULL, FLUID_FAILED);
+    fluid_synth_api_enter(synth);
+
+    if(fx_group  < -1 || fx_group >= synth->effects_groups)
+    {
+        FLUID_API_RETURN(FLUID_FAILED);
+    }
+
+    if (fx_group < 0)
+    {
+        /* return reverb param common to all fx groups */
+        *value = synth->reverb_param[param];
+    }
+    else
+    {
+        /* return reverb param of fx group at index fx_group */
+        *value = fluid_rvoice_mixer_reverb_get_param(synth->eventhandler->mixer,
+                                                     fx_group, param);
+    }
+
+    FLUID_API_RETURN(FLUID_OK);
+}
+
+/**
+ * Enable or disable all chorus groups.
+ * @param synth FluidSynth instance
+ * @param on TRUE to enable chorus, FALSE to disable
+ * @deprecated Use fluid_synth_chorus_on() in new code instead.
+ */
+void
+fluid_synth_set_chorus_on(fluid_synth_t *synth, int on)
+{
+    fluid_return_if_fail(synth != NULL);
+    fluid_synth_api_enter(synth);
+
+    synth->with_chorus = (on != 0);
+    fluid_synth_update_mixer(synth, fluid_rvoice_mixer_set_chorus_enabled,
+                             on != 0, 0.0f);
+    fluid_synth_api_exit(synth);
+}
+
+/**
+ * Enable or disable chorus on one or all groups.
+ * @param synth FluidSynth instance
+ * @param fx_group Index of the fx group.
+ *  Must be in the range <code>-1 to (fluid_synth_count_effects_groups()-1)</code>. If -1 the
+ *  parameter will be applied to all fx groups.
+ * @param on TRUE to enable chorus, FALSE to disable
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ */
+int
+fluid_synth_chorus_on(fluid_synth_t *synth, int fx_group, int on)
+{
+    int ret;
+	fluid_rvoice_param_t param[MAX_EVENT_PARAMS];
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+
+    fluid_synth_api_enter(synth);
+
+    if(fx_group  < -1 || fx_group >= synth->effects_groups)
+    {
+        FLUID_API_RETURN(FLUID_FAILED);
+    }
+
+    if(fx_group  < 0 )
+    {
+        synth->with_chorus = (on != 0);
+    }
+
+    param[0].i = fx_group;
+    param[1].i = on;
+    ret = fluid_rvoice_eventhandler_push(synth->eventhandler,
+                                         fluid_rvoice_mixer_chorus_enable,
+                                         synth->eventhandler->mixer,
+                                         param);
+
+    FLUID_API_RETURN(ret);
+}
+
+/**
+ * Set chorus parameters to all fx groups.
+ * Keep in mind, that the needed CPU time is proportional to 'nr'.
+ * @param synth FluidSynth instance
+ * @param nr Chorus voice count (0-99, CPU time consumption proportional to
+ *   this value)
+ * @param level Chorus level (0.0-10.0)
+ * @param speed Chorus speed in Hz (0.1-5.0)
+ * @param depth_ms Chorus depth (max value depends on synth sample-rate,
+ *   0.0-21.0 is safe for sample-rate values up to 96KHz)
+ * @param type Chorus waveform type (#fluid_chorus_mod)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ * @deprecated Use the individual chorus setter functions in new code instead.
+ * 
+ * Keep in mind, that the needed CPU time is proportional to 'nr'.
+ */
+int fluid_synth_set_chorus(fluid_synth_t *synth, int nr, double level,
+                           double speed, double depth_ms, int type)
+{
+    double values[FLUID_CHORUS_PARAM_LAST];
+
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+
+    values[FLUID_CHORUS_NR] = nr;
+    values[FLUID_CHORUS_LEVEL] = level;
+    values[FLUID_CHORUS_SPEED] = speed;
+    values[FLUID_CHORUS_DEPTH] = depth_ms;
+    values[FLUID_CHORUS_TYPE] = type;
+    return fluid_synth_set_chorus_full(synth, -1, FLUID_CHORUS_SET_ALL, values);
+}
+
+/**
+ * Set the chorus voice count of all groups.
+ *
+ * @param synth FluidSynth instance
+ * @param nr Chorus voice count (0-99, CPU time consumption proportional to
+ *   this value)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ * @deprecated Use fluid_synth_set_chorus_group_nr() in new code instead.
+ */
+int fluid_synth_set_chorus_nr(fluid_synth_t *synth, int nr)
+{
+    return fluid_synth_chorus_set_param(synth, -1, FLUID_CHORUS_NR, nr);
+}
+
+/**
+ * Set the chorus level of all groups.
+ *
+ * @param synth FluidSynth instance
+ * @param level Chorus level (0.0-10.0)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ * @deprecated Use fluid_synth_set_chorus_group_level() in new code instead.
+ */
+int fluid_synth_set_chorus_level(fluid_synth_t *synth, double level)
+{
+    return fluid_synth_chorus_set_param(synth, -1, FLUID_CHORUS_LEVEL, level);
+}
+
+/**
+ * Set the chorus speed of all groups.
+ *
+ * @param synth FluidSynth instance
+ * @param speed Chorus speed in Hz (0.1-5.0)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ * @deprecated Use fluid_synth_set_chorus_group_speed() in new code instead.
+ */
+int fluid_synth_set_chorus_speed(fluid_synth_t *synth, double speed)
+{
+    return fluid_synth_chorus_set_param(synth, -1, FLUID_CHORUS_SPEED, speed);
+}
+
+/**
+ * Set the chorus depth of all groups.
+ *
+ * @param synth FluidSynth instance
+ * @param depth_ms Chorus depth (max value depends on synth sample-rate,
+ *   0.0-21.0 is safe for sample-rate values up to 96KHz)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ * @deprecated Use fluid_synth_set_chorus_group_depth() in new code instead.
+ */
+int fluid_synth_set_chorus_depth(fluid_synth_t *synth, double depth_ms)
+{
+    return fluid_synth_chorus_set_param(synth, -1, FLUID_CHORUS_DEPTH, depth_ms);
+}
+
+/**
+ * Set the chorus type of all groups.
+ *
+ * @param synth FluidSynth instance
+ * @param type Chorus waveform type (#fluid_chorus_mod)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ * @deprecated Use fluid_synth_set_chorus_group_type() in new code instead.
+ */
+int fluid_synth_set_chorus_type(fluid_synth_t *synth, int type)
+{
+    return fluid_synth_chorus_set_param(synth, -1, FLUID_CHORUS_TYPE, type);
+}
+
+/**
+ * Set chorus voice count nr to one or all chorus groups.
+ * @param synth FluidSynth instance.
+ * @param fx_group Index of the fx group.
+ *  Must be in the range <code>-1 to (fluid_synth_count_effects_groups()-1)</code>. If -1 the
+ *  parameter will be applied to all groups.
+ * @param nr Voice count to set. Must be in the range indicated by \setting{synth_chorus_nr}
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise.
+ */
+int
+fluid_synth_set_chorus_group_nr(fluid_synth_t *synth, int fx_group, int nr)
+{
+    return fluid_synth_chorus_set_param(synth, fx_group, FLUID_CHORUS_NR, (double)nr);
+}
+
+/**
+ * Set chorus output level to one or all chorus groups.
+ * @param synth FluidSynth instance.
+ * @param fx_group Index of the fx group.
+ *  Must be in the range <code>-1 to (fluid_synth_count_effects_groups()-1)</code>. If -1 the
+ *  parameter will be applied to all groups.
+ * @param level Output level to set. Must be in the range indicated by \setting{synth_chorus_level}
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise.
+ */
+int
+fluid_synth_set_chorus_group_level(fluid_synth_t *synth, int fx_group, double level)
+{
+    return fluid_synth_chorus_set_param(synth, fx_group, FLUID_CHORUS_LEVEL, level);
+}
+
+/**
+ * Set chorus lfo speed to one or all chorus groups.
+ * @param synth FluidSynth instance.
+ * @param fx_group Index of the fx group.
+ *  Must be in the range <code>-1 to (fluid_synth_count_effects_groups()-1)</code>. If -1 the
+ *  parameter will be applied to all groups.
+ * @param speed Lfo speed to set. Must be in the range indicated by \setting{synth_chorus_speed}
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise.
+ */
+int
+fluid_synth_set_chorus_group_speed(fluid_synth_t *synth, int fx_group, double speed)
+{
+    return fluid_synth_chorus_set_param(synth, fx_group, FLUID_CHORUS_SPEED, speed);
+}
+
+/**
+ * Set chorus lfo depth to one or all chorus groups.
+ * @param synth FluidSynth instance.
+ * @param fx_group Index of the fx group.
+ *  Must be in the range <code>-1 to (fluid_synth_count_effects_groups()-1)</code>. If -1 the
+ *  parameter will be applied to all groups.
+ * @param depth_ms lfo depth to set. Must be in the range indicated by \setting{synth_chorus_depth}
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise.
+ */
+int
+fluid_synth_set_chorus_group_depth(fluid_synth_t *synth, int fx_group, double depth_ms)
+{
+    return fluid_synth_chorus_set_param(synth, fx_group, FLUID_CHORUS_DEPTH, depth_ms);
+}
+
+/**
+ * Set chorus lfo waveform type to one or all chorus groups.
+ * @param synth FluidSynth instance.
+ * @param fx_group Index of the fx group.
+ *  Must be in the range <code>-1 to (fluid_synth_count_effects_groups()-1)</code>. If -1 the
+ *  parameter will be applied to all groups.
+ * @param type Lfo waveform type to set. (#fluid_chorus_mod)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise.
+ */
+int
+fluid_synth_set_chorus_group_type(fluid_synth_t *synth, int fx_group, int type)
+{
+    return fluid_synth_chorus_set_param(synth, fx_group, FLUID_CHORUS_TYPE, (double)type);
+}
+
+/**
+ * Set one chorus parameter to one fx groups.
+ * @param synth FluidSynth instance.
+ * @param fx_group Index of the fx group.
+ *  Must be in the range <code>-1 to (fluid_synth_count_effects_groups()-1)</code>. If -1 the
+ *  parameter will be applied to all groups.
+ * @param enum indicating the parameter to set (#fluid_chorus_param).
+ *  FLUID_CHORUS_NR, chorus voice count (0-99, CPU time consumption proportional to
+ *  this value).
+ *  FLUID_CHORUS_LEVEL, chorus level (0.0-10.0).
+ *  FLUID_CHORUS_SPEED, chorus speed in Hz (0.1-5.0).
+ *  FLUID_CHORUS_DEPTH, chorus depth (max value depends on synth sample-rate,
+ *   0.0-21.0 is safe for sample-rate values up to 96KHz).
+ *  FLUID_CHORUS_TYPE, chorus waveform type (#fluid_chorus_mod)
+ * @param value, parameter value
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise.
+ */
+int
+fluid_synth_chorus_set_param(fluid_synth_t *synth, int fx_group, int param,
+                             double value)
+{
+    int ret;
+    double values[FLUID_CHORUS_PARAM_LAST] = {0.0};
+
+    /* setting name (except lfo waveform type) */
+    static const char *name[FLUID_CHORUS_PARAM_LAST-1] =
+    {
+        "synth.chorus.nr", "synth.chorus.level",
+        "synth.chorus.speed", "synth.chorus.depth"
+    };
+
+    /* check parameters */
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail((param >= 0) && (param < FLUID_CHORUS_PARAM_LAST), FLUID_FAILED);
+    fluid_synth_api_enter(synth);
+
+    if(fx_group  < -1 || fx_group >= synth->effects_groups)
+    {
+        FLUID_API_RETURN(FLUID_FAILED);
+    }
+
+    /* check if chorus value is in max min range */
+    if(param == FLUID_CHORUS_TYPE || param == FLUID_CHORUS_NR) /* integer value */
+    {
+        int min = FLUID_CHORUS_MOD_SINE;
+        int max = FLUID_CHORUS_MOD_TRIANGLE;
+        if(param == FLUID_CHORUS_NR)
+        {
+            fluid_settings_getint_range(synth->settings, name[param], &min, &max);
+        }
+        if((int)value  < min || (int)value > max)
+        {
+            FLUID_API_RETURN(FLUID_FAILED);
+        }
+    }
+    else /* float value */
+    {
+        double min;
+        double max;
+        fluid_settings_getnum_range(synth->settings, name[param], &min, &max);
+        if(value  < min || value > max)
+        {
+            FLUID_API_RETURN(FLUID_FAILED);
+        }
+    }
+
+    /* set the value */
+    values[param] = value;
+    ret = fluid_synth_set_chorus_full(synth, fx_group,
+                                      FLUID_CHORPARAM_TO_SETFLAG(param), values);
+    FLUID_API_RETURN(ret);
+}
+
+int
+fluid_synth_set_chorus_full(fluid_synth_t *synth, int fx_group, int set,
+                            const double values[])
+{
+    fluid_rvoice_param_t param[MAX_EVENT_PARAMS];
+
+    /* if non of the flags is set, fail */
+    fluid_return_val_if_fail(set & FLUID_CHORUS_SET_ALL, FLUID_FAILED);
+
+    /* fx group shadow values are set here so that they will be returned if queried */
+    fluid_rvoice_mixer_set_chorus_full(synth->eventhandler->mixer, fx_group,
+                                       set, values);
+
+    /* Synth shadow values are set here so that they will be returned if queried */
+    if (fx_group < 0)
+    {
+        int i;
+        for(i = 0; i < FLUID_CHORUS_PARAM_LAST; i++)
+        {
+            if(set & FLUID_CHORPARAM_TO_SETFLAG(i))
+            {
+                synth->chorus_param[i] = values[i];
+            }
+        }
+    }
+
+    param[0].i = fx_group;
+    param[1].i = set;
+    param[2].i = (int)values[FLUID_CHORUS_NR];
+    param[3].real = values[FLUID_CHORUS_LEVEL];
+    param[4].real = values[FLUID_CHORUS_SPEED];
+    param[5].real = values[FLUID_CHORUS_DEPTH];
+    param[6].i = (int)values[FLUID_CHORUS_TYPE];
+    return fluid_rvoice_eventhandler_push(synth->eventhandler,
+                                         fluid_rvoice_mixer_set_chorus_params,
+                                         synth->eventhandler->mixer,
+                                         param);
+}
+
+/**
+ * Get chorus voice number (delay line count) value of all fx groups.
+ * @param synth FluidSynth instance
+ * @return Chorus voice count
+ * @deprecated Use fluid_synth_get_chorus_group_nr() in new code instead.
+ */
+int
+fluid_synth_get_chorus_nr(fluid_synth_t *synth)
+{
+    double nr = 0.0;
+    fluid_synth_chorus_get_param(synth, -1, FLUID_CHORUS_NR, &nr);
+    return (int)nr;
+}
+
+/**
+ * Get chorus level of all fx groups.
+ * @param synth FluidSynth instance
+ * @return Chorus level value
+ * @deprecated Use fluid_synth_get_chorus_group_level() in new code instead.
+ */
+double
+fluid_synth_get_chorus_level(fluid_synth_t *synth)
+{
+    double level = 0.0;
+    fluid_synth_chorus_get_param(synth, -1, FLUID_CHORUS_LEVEL, &level);
+    return level;
+}
+
+/**
+ * Get chorus speed in Hz of all fx groups.
+ * @param synth FluidSynth instance
+ * @return Chorus speed in Hz
+ * @deprecated Use fluid_synth_get_chorus_group_speed() in new code instead.
+ */
+double
+fluid_synth_get_chorus_speed(fluid_synth_t *synth)
+{
+    double speed = 0.0;
+    fluid_synth_chorus_get_param(synth, -1, FLUID_CHORUS_SPEED, &speed);
+    return speed;
+}
+
+/**
+ * Get chorus depth of all fx groups.
+ * @param synth FluidSynth instance
+ * @return Chorus depth
+ * @deprecated Use fluid_synth_get_chorus_group_depth() in new code instead.
+ */
+double
+fluid_synth_get_chorus_depth(fluid_synth_t *synth)
+{
+    double depth = 0.0;
+    fluid_synth_chorus_get_param(synth, -1, FLUID_CHORUS_DEPTH, &depth);
+    return depth;
+}
+
+/**
+ * Get chorus waveform type of all fx groups.
+ * @param synth FluidSynth instance
+ * @return Chorus waveform type (#fluid_chorus_mod)
+ * @deprecated Use fluid_synth_get_chorus_group_type() in new code instead.
+ */
+int
+fluid_synth_get_chorus_type(fluid_synth_t *synth)
+{
+    double type = 0.0;
+    fluid_synth_chorus_get_param(synth, -1, FLUID_CHORUS_TYPE, &type);
+    return (int)type;
+}
+
+/**
+ * Get chorus count nr of one or all fx groups.
+ * @param synth FluidSynth instance.
+ * @param fx_group Index of the fx group from which to fetch the chorus voice count.
+ *  Must be in the range <code>-1 to (fluid_synth_count_effects_groups()-1)</code>. If -1 the
+ *  parameter common to all fx groups is fetched.
+ * @param nr valid pointer on value to return.
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise.
+ */
+int
+fluid_synth_get_chorus_group_nr(fluid_synth_t *synth, int fx_group, int *nr)
+{
+    double num_nr = 0.0;
+    int status;
+    status = fluid_synth_chorus_get_param(synth, fx_group, FLUID_CHORUS_NR, &num_nr);
+    *nr = (int)num_nr;
+    return status;
+}
+
+/**
+ * Get chorus output level of one or all fx groups.
+ * @param synth FluidSynth instance.
+ * @param fx_group Index of the fx group from which chorus level to fetch.
+ *  Must be in the range <code>-1 to (fluid_synth_count_effects_groups()-1)</code>. If -1 the
+ *  parameter common to all fx groups is fetched.
+ * @param level valid pointer on value to return.
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise.
+ */
+int
+fluid_synth_get_chorus_group_level(fluid_synth_t *synth, int fx_group, double *level)
+{
+    return fluid_synth_chorus_get_param(synth, fx_group, FLUID_CHORUS_LEVEL, level);
+}
+
+/**
+ * Get chorus waveform lfo speed of one or all fx groups.
+ * @param synth FluidSynth instance.
+ * @param fx_group Index of the fx group from which lfo speed to fetch.
+ *  Must be in the range <code>-1 to (fluid_synth_count_effects_groups()-1)</code>. If -1 the
+ *  parameter common to all fx groups is fetched.
+ * @param speed valid pointer on value to return.
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise.
+ */
+int
+fluid_synth_get_chorus_group_speed(fluid_synth_t *synth, int fx_group, double *speed)
+{
+    return fluid_synth_chorus_get_param(synth, fx_group, FLUID_CHORUS_SPEED, speed);
+}
+
+/**
+ * Get chorus lfo depth of one or all fx groups.
+ * @param synth FluidSynth instance
+ * @param fx_group Index of the fx group from which lfo depth to fetch.
+ *  Must be in the range <code>-1 to (fluid_synth_count_effects_groups()-1)</code>. If -1 the
+ *  parameter common to all fx groups is fetched.
+ * @param depth_ms valid pointer on value to return.
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ */
+int
+fluid_synth_get_chorus_group_depth(fluid_synth_t *synth, int fx_group, double *depth_ms)
+{
+    return fluid_synth_chorus_get_param(synth, fx_group, FLUID_CHORUS_DEPTH, depth_ms);
+}
+
+/**
+ * Get chorus waveform type of one or all fx groups.
+ * @param synth FluidSynth instance
+ * @param fx_group Index of the fx group from which to fetch the waveform type.
+ *  Must be in the range <code>-1 to (fluid_synth_count_effects_groups()-1)</code>. If -1 the
+ *  parameter common to all fx groups is fetched.
+ * @param type valid pointer on waveform type to return (#fluid_chorus_mod)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ */
+int
+fluid_synth_get_chorus_group_type(fluid_synth_t *synth, int fx_group, int *type)
+{
+    double num_type = 0.0;
+    int status;
+    status = fluid_synth_chorus_get_param(synth, fx_group, FLUID_CHORUS_TYPE, &num_type);
+    *type = (int)num_type;
+    return status;
+}
+
+/**
+ * Get chorus parameter value of one or all fx groups.
+ * @param synth FluidSynth instance
+ * @param fx_group index of the fx group
+ * @param enum indicating the parameter to get.
+ *  FLUID_CHORUS_NR, chorus voice count.
+ *  FLUID_CHORUS_LEVEL, chorus level.
+ *  FLUID_CHORUS_SPEED, chorus speed.
+ *  FLUID_CHORUS_DEPTH, chorus depth.
+ *  FLUID_CHORUS_TYPE, chorus waveform type.
+ * @param value pointer on the value to return.
+ * @return FLUID_OK if success, FLUID_FAILED otherwise.
+ */
+static int fluid_synth_chorus_get_param(fluid_synth_t *synth, int fx_group,
+                                        int param, double *value)
+{
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail((param >= 0) && (param < FLUID_CHORUS_PARAM_LAST), FLUID_FAILED);
+    fluid_return_val_if_fail(value != NULL, FLUID_FAILED);
+    fluid_synth_api_enter(synth);
+
+    if(fx_group  < -1 || fx_group >= synth->effects_groups)
+    {
+        FLUID_API_RETURN(FLUID_FAILED);
+    }
+
+    if (fx_group < 0)
+    {
+        /* return chorus param common to all fx groups */
+        *value = synth->chorus_param[param];
+    }
+    else
+    {
+        /* return chorus param of fx group at index group */
+        *value = fluid_rvoice_mixer_chorus_get_param(synth->eventhandler->mixer,
+                                                     fx_group, param);
+    }
+
+    FLUID_API_RETURN(FLUID_OK);
+}
+
+/*
+ * If the same note is hit twice on the same channel, then the older
+ * voice process is advanced to the release stage.  Using a mechanical
+ * MIDI controller, the only way this can happen is when the sustain
+ * pedal is held.  In this case the behaviour implemented here is
+ * natural for many instruments.  Note: One noteon event can trigger
+ * several voice processes, for example a stereo sample.  Don't
+ * release those...
+ */
+void
+fluid_synth_release_voice_on_same_note_LOCAL(fluid_synth_t *synth, int chan,
+        int key)
+{
+    int i;
+    fluid_voice_t *voice;
+
+    /* storeid is a parameter for fluid_voice_init() */
+    synth->storeid = synth->noteid++;
+
+    /* for "monophonic playing" key is the previous sustained note
+      if it exists (0 to 127) or INVALID_NOTE otherwise */
+    if(key == INVALID_NOTE)
+    {
+        return;
+    }
+
+    for(i = 0; i < synth->polyphony; i++)
+    {
+        voice = synth->voice[i];
+
+        if(fluid_voice_is_playing(voice)
+                && (fluid_voice_get_channel(voice) == chan)
+                && (fluid_voice_get_key(voice) == key)
+                && (fluid_voice_get_id(voice) != synth->noteid))
+        {
+            /* Id of voices that was sustained by sostenuto */
+            if(fluid_voice_is_sostenuto(voice))
+            {
+                synth->storeid = fluid_voice_get_id(voice);
+            }
+
+            /* Force the voice into release stage except if pedaling
+               (sostenuto or sustain) is active */
+            fluid_voice_noteoff(voice);
+        }
+    }
+}
+
+/**
+ * Set synthesis interpolation method on one or all MIDI channels.
+ * @param synth FluidSynth instance
+ * @param chan MIDI channel to set interpolation method on or -1 for all channels
+ * @param interp_method Interpolation method (#fluid_interp)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ */
+int
+fluid_synth_set_interp_method(fluid_synth_t *synth, int chan, int interp_method)
+{
+    int i;
+
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_synth_api_enter(synth);
+
+    if(chan < -1 || chan >= synth->midi_channels)
+    {
+        FLUID_API_RETURN(FLUID_FAILED);
+    }
+
+    if(synth->channel[0] == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Channels don't exist (yet)!");
+        FLUID_API_RETURN(FLUID_FAILED);
+    }
+
+    for(i = 0; i < synth->midi_channels; i++)
+    {
+        if(chan < 0 || fluid_channel_get_num(synth->channel[i]) == chan)
+        {
+            fluid_channel_set_interp_method(synth->channel[i], interp_method);
+        }
+    }
+
+    FLUID_API_RETURN(FLUID_OK);
+};
+
+/**
+ * Get the total count of MIDI channels.
+ * @param synth FluidSynth instance
+ * @return Count of MIDI channels
+ */
+int
+fluid_synth_count_midi_channels(fluid_synth_t *synth)
+{
+    int result;
+    fluid_return_val_if_fail(synth != NULL, 0);
+    fluid_synth_api_enter(synth);
+
+    result = synth->midi_channels;
+    FLUID_API_RETURN(result);
+}
+
+/**
+ * Get the total count of audio channels.
+ * @param synth FluidSynth instance
+ * @return Count of audio channel stereo pairs (1 = 2 channels, 2 = 4, etc)
+ */
+int
+fluid_synth_count_audio_channels(fluid_synth_t *synth)
+{
+    int result;
+    fluid_return_val_if_fail(synth != NULL, 0);
+    fluid_synth_api_enter(synth);
+
+    result = synth->audio_channels;
+    FLUID_API_RETURN(result);
+}
+
+/**
+ * Get the total number of allocated audio channels.  Usually identical to the
+ * number of audio channels.  Can be employed by LADSPA effects subsystem.
+ *
+ * @param synth FluidSynth instance
+ * @return Count of audio group stereo pairs (1 = 2 channels, 2 = 4, etc)
+ */
+int
+fluid_synth_count_audio_groups(fluid_synth_t *synth)
+{
+    int result;
+    fluid_return_val_if_fail(synth != NULL, 0);
+    fluid_synth_api_enter(synth);
+
+    result = synth->audio_groups;
+    FLUID_API_RETURN(result);
+}
+
+/**
+ * Get the total number of allocated effects channels.
+ * @param synth FluidSynth instance
+ * @return Count of allocated effects channels
+ */
+int
+fluid_synth_count_effects_channels(fluid_synth_t *synth)
+{
+    int result;
+    fluid_return_val_if_fail(synth != NULL, 0);
+    fluid_synth_api_enter(synth);
+
+    result = synth->effects_channels;
+    FLUID_API_RETURN(result);
+}
+
+/**
+ * Get the total number of allocated effects units.
+ * 
+ * This is the same number as initially provided by the setting \setting{synth_effects-groups}.
+ * @param synth FluidSynth instance
+ * @return Count of allocated effects units
+ */
+int
+fluid_synth_count_effects_groups(fluid_synth_t *synth)
+{
+    int result;
+    fluid_return_val_if_fail(synth != NULL, 0);
+    fluid_synth_api_enter(synth);
+
+    result = synth->effects_groups;
+    FLUID_API_RETURN(result);
+}
+
+/**
+ * Get the synth CPU load value.
+ * @param synth FluidSynth instance
+ * @return Estimated CPU load value in percent (0-100)
+ */
+double
+fluid_synth_get_cpu_load(fluid_synth_t *synth)
+{
+    fluid_return_val_if_fail(synth != NULL, 0);
+    return fluid_atomic_float_get(&synth->cpu_load);
+}
+
+/* Get tuning for a given bank:program */
+static fluid_tuning_t *
+fluid_synth_get_tuning(fluid_synth_t *synth, int bank, int prog)
+{
+
+    if((synth->tuning == NULL) ||
+            (synth->tuning[bank] == NULL) ||
+            (synth->tuning[bank][prog] == NULL))
+    {
+        return NULL;
+    }
+
+    return synth->tuning[bank][prog];
+}
+
+/* Replace tuning on a given bank:program (need not already exist).
+ * Synth mutex should already be locked by caller. */
+static int
+fluid_synth_replace_tuning_LOCK(fluid_synth_t *synth, fluid_tuning_t *tuning,
+                                int bank, int prog, int apply)
+{
+    fluid_tuning_t *old_tuning;
+
+    if(synth->tuning == NULL)
+    {
+        synth->tuning = FLUID_ARRAY(fluid_tuning_t **, 128);
+
+        if(synth->tuning == NULL)
+        {
+            FLUID_LOG(FLUID_PANIC, "Out of memory");
+            return FLUID_FAILED;
+        }
+
+        FLUID_MEMSET(synth->tuning, 0, 128 * sizeof(fluid_tuning_t **));
+    }
+
+    if(synth->tuning[bank] == NULL)
+    {
+        synth->tuning[bank] = FLUID_ARRAY(fluid_tuning_t *, 128);
+
+        if(synth->tuning[bank] == NULL)
+        {
+            FLUID_LOG(FLUID_PANIC, "Out of memory");
+            return FLUID_FAILED;
+        }
+
+        FLUID_MEMSET(synth->tuning[bank], 0, 128 * sizeof(fluid_tuning_t *));
+    }
+
+    old_tuning = synth->tuning[bank][prog];
+    synth->tuning[bank][prog] = tuning;
+
+    if(old_tuning)
+    {
+        if(!fluid_tuning_unref(old_tuning, 1))       /* -- unref old tuning */
+        {
+            /* Replace old tuning if present */
+            fluid_synth_replace_tuning_LOCAL(synth, old_tuning, tuning, apply, FALSE);
+        }
+    }
+
+    return FLUID_OK;
+}
+
+/* Replace a tuning with a new one in all MIDI channels.  new_tuning can be
+ * NULL, in which case channels are reset to default equal tempered scale. */
+static void
+fluid_synth_replace_tuning_LOCAL(fluid_synth_t *synth, fluid_tuning_t *old_tuning,
+                                 fluid_tuning_t *new_tuning, int apply, int unref_new)
+{
+    fluid_channel_t *channel;
+    int old_tuning_unref = 0;
+    int i;
+
+    for(i = 0; i < synth->midi_channels; i++)
+    {
+        channel = synth->channel[i];
+
+        if(fluid_channel_get_tuning(channel) == old_tuning)
+        {
+            old_tuning_unref++;
+
+            if(new_tuning)
+            {
+                fluid_tuning_ref(new_tuning);    /* ++ ref new tuning for channel */
+            }
+
+            fluid_channel_set_tuning(channel, new_tuning);
+
+            if(apply)
+            {
+                fluid_synth_update_voice_tuning_LOCAL(synth, channel);
+            }
+        }
+    }
+
+    /* Send unref old tuning event if any unrefs */
+    if(old_tuning && old_tuning_unref)
+    {
+        fluid_tuning_unref(old_tuning, old_tuning_unref);
+    }
+
+    if(!unref_new || !new_tuning)
+    {
+        return;
+    }
+
+    fluid_tuning_unref(new_tuning, 1);
+}
+
+/* Update voice tunings in realtime */
+static void
+fluid_synth_update_voice_tuning_LOCAL(fluid_synth_t *synth, fluid_channel_t *channel)
+{
+    fluid_voice_t *voice;
+    int i;
+
+    for(i = 0; i < synth->polyphony; i++)
+    {
+        voice = synth->voice[i];
+
+        if(fluid_voice_is_on(voice) && (voice->channel == channel))
+        {
+            fluid_voice_calculate_gen_pitch(voice);
+            fluid_voice_update_param(voice, GEN_PITCH);
+        }
+    }
+}
+
+/**
+ * Set the tuning of the entire MIDI note scale.
+ * @param synth FluidSynth instance
+ * @param bank Tuning bank number (0-127), not related to MIDI instrument bank
+ * @param prog Tuning preset number (0-127), not related to MIDI instrument program
+ * @param name Label name for this tuning
+ * @param pitch Array of pitch values (length of 128, each value is number of
+ *   cents, for example normally note 0 is 0.0, 1 is 100.0, 60 is 6000.0, etc).
+ *   Pass NULL to create a equal tempered (normal) scale.
+ * @param apply TRUE to apply new tuning in realtime to existing notes which
+ *   are using the replaced tuning (if any), FALSE otherwise
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ * @since 1.1.0
+ */
+int
+fluid_synth_activate_key_tuning(fluid_synth_t *synth, int bank, int prog,
+                                const char *name, const double *pitch, int apply)
+{
+    fluid_tuning_t *tuning;
+    int retval = FLUID_OK;
+
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(bank >= 0 && bank < 128, FLUID_FAILED);
+    fluid_return_val_if_fail(prog >= 0 && prog < 128, FLUID_FAILED);
+    fluid_return_val_if_fail(name != NULL, FLUID_FAILED);
+
+    fluid_synth_api_enter(synth);
+
+    tuning = new_fluid_tuning(name, bank, prog);
+
+    if(tuning)
+    {
+        if(pitch)
+        {
+            fluid_tuning_set_all(tuning, pitch);
+        }
+
+        retval = fluid_synth_replace_tuning_LOCK(synth, tuning, bank, prog, apply);
+
+        if(retval == FLUID_FAILED)
+        {
+            fluid_tuning_unref(tuning, 1);
+        }
+    }
+    else
+    {
+        retval = FLUID_FAILED;
+    }
+
+    FLUID_API_RETURN(retval);
+}
+
+/**
+ * Activate an octave tuning on every octave in the MIDI note scale.
+ * @param synth FluidSynth instance
+ * @param bank Tuning bank number (0-127), not related to MIDI instrument bank
+ * @param prog Tuning preset number (0-127), not related to MIDI instrument program
+ * @param name Label name for this tuning
+ * @param pitch Array of pitch values (length of 12 for each note of an octave
+ *   starting at note C, values are number of offset cents to add to the normal
+ *   tuning amount)
+ * @param apply TRUE to apply new tuning in realtime to existing notes which
+ *   are using the replaced tuning (if any), FALSE otherwise
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ * @since 1.1.0
+ */
+int
+fluid_synth_activate_octave_tuning(fluid_synth_t *synth, int bank, int prog,
+                                   const char *name, const double *pitch, int apply)
+{
+    fluid_tuning_t *tuning;
+    int retval = FLUID_OK;
+
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(bank >= 0 && bank < 128, FLUID_FAILED);
+    fluid_return_val_if_fail(prog >= 0 && prog < 128, FLUID_FAILED);
+    fluid_return_val_if_fail(name != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(pitch != NULL, FLUID_FAILED);
+
+    fluid_synth_api_enter(synth);
+    tuning = new_fluid_tuning(name, bank, prog);
+
+    if(tuning)
+    {
+        fluid_tuning_set_octave(tuning, pitch);
+        retval = fluid_synth_replace_tuning_LOCK(synth, tuning, bank, prog, apply);
+
+        if(retval == FLUID_FAILED)
+        {
+            fluid_tuning_unref(tuning, 1);
+        }
+    }
+    else
+    {
+        retval = FLUID_FAILED;
+    }
+
+    FLUID_API_RETURN(retval);
+}
+
+/**
+ * Set tuning values for one or more MIDI notes for an existing tuning.
+ * @param synth FluidSynth instance
+ * @param bank Tuning bank number (0-127), not related to MIDI instrument bank
+ * @param prog Tuning preset number (0-127), not related to MIDI instrument program
+ * @param len Number of MIDI notes to assign
+ * @param key Array of MIDI key numbers (length of 'len', values 0-127)
+ * @param pitch Array of pitch values (length of 'len', values are number of
+ *   cents from MIDI note 0)
+ * @param apply TRUE to apply tuning change in realtime to existing notes using
+ *   the specified tuning, FALSE otherwise
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ *
+ * @note Prior to version 1.1.0 it was an error to specify a tuning that didn't
+ * already exist. Starting with 1.1.0, the default equal tempered scale will be
+ * used as a basis, if no tuning exists for the given bank and prog.
+ */
+int
+fluid_synth_tune_notes(fluid_synth_t *synth, int bank, int prog,
+                       int len, const int *key, const double *pitch, int apply)
+{
+    fluid_tuning_t *old_tuning, *new_tuning;
+    int retval = FLUID_OK;
+    int i;
+
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(bank >= 0 && bank < 128, FLUID_FAILED);
+    fluid_return_val_if_fail(prog >= 0 && prog < 128, FLUID_FAILED);
+    fluid_return_val_if_fail(len > 0, FLUID_FAILED);
+    fluid_return_val_if_fail(key != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(pitch != NULL, FLUID_FAILED);
+
+    fluid_synth_api_enter(synth);
+
+    old_tuning = fluid_synth_get_tuning(synth, bank, prog);
+
+    if(old_tuning)
+    {
+        new_tuning = fluid_tuning_duplicate(old_tuning);
+    }
+    else
+    {
+        new_tuning = new_fluid_tuning("Unnamed", bank, prog);
+    }
+
+    if(new_tuning)
+    {
+        for(i = 0; i < len; i++)
+        {
+            fluid_tuning_set_pitch(new_tuning, key[i], pitch[i]);
+        }
+
+        retval = fluid_synth_replace_tuning_LOCK(synth, new_tuning, bank, prog, apply);
+
+        if(retval == FLUID_FAILED)
+        {
+            fluid_tuning_unref(new_tuning, 1);
+        }
+    }
+    else
+    {
+        retval = FLUID_FAILED;
+    }
+
+    FLUID_API_RETURN(retval);
+}
+
+/**
+ * Activate a tuning scale on a MIDI channel.
+ * @param synth FluidSynth instance
+ * @param chan MIDI channel number (0 to MIDI channel count - 1)
+ * @param bank Tuning bank number (0-127), not related to MIDI instrument bank
+ * @param prog Tuning preset number (0-127), not related to MIDI instrument program
+ * @param apply TRUE to apply tuning change to active notes, FALSE otherwise
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ * @since 1.1.0
+ *
+ * @note A default equal tempered scale will be created, if no tuning exists
+ * on the given bank and prog.
+ */
+int
+fluid_synth_activate_tuning(fluid_synth_t *synth, int chan, int bank, int prog,
+                            int apply)
+{
+    fluid_tuning_t *tuning;
+    int retval = FLUID_OK;
+
+    //fluid_return_val_if_fail (synth != NULL, FLUID_FAILED);
+    //fluid_return_val_if_fail (chan >= 0 && chan < synth->midi_channels, FLUID_FAILED);
+    fluid_return_val_if_fail(bank >= 0 && bank < 128, FLUID_FAILED);
+    fluid_return_val_if_fail(prog >= 0 && prog < 128, FLUID_FAILED);
+
+    FLUID_API_ENTRY_CHAN(FLUID_FAILED);
+
+    tuning = fluid_synth_get_tuning(synth, bank, prog);
+
+    /* If no tuning exists, create a new default tuning.  We do this, so that
+     * it can be replaced later, if any changes are made. */
+    if(!tuning)
+    {
+        tuning = new_fluid_tuning("Unnamed", bank, prog);
+
+        if(tuning)
+        {
+            fluid_synth_replace_tuning_LOCK(synth, tuning, bank, prog, FALSE);
+        }
+    }
+
+    if(tuning)
+    {
+        fluid_tuning_ref(tuning);    /* ++ ref for outside of lock */
+    }
+
+    if(!tuning)
+    {
+        FLUID_API_RETURN(FLUID_FAILED);
+    }
+
+    fluid_tuning_ref(tuning);     /* ++ ref new tuning for following function */
+    retval = fluid_synth_set_tuning_LOCAL(synth, chan, tuning, apply);
+
+    fluid_tuning_unref(tuning, 1);    /* -- unref for outside of lock */
+
+    FLUID_API_RETURN(retval);
+}
+
+/* Local synthesis thread set tuning function (takes over tuning reference) */
+static int
+fluid_synth_set_tuning_LOCAL(fluid_synth_t *synth, int chan,
+                             fluid_tuning_t *tuning, int apply)
+{
+    fluid_tuning_t *old_tuning;
+    fluid_channel_t *channel;
+
+    channel = synth->channel[chan];
+
+    old_tuning = fluid_channel_get_tuning(channel);
+    fluid_channel_set_tuning(channel, tuning);    /* !! Takes over callers reference */
+
+    if(apply)
+    {
+        fluid_synth_update_voice_tuning_LOCAL(synth, channel);
+    }
+
+    /* Send unref old tuning event */
+    if(old_tuning)
+    {
+        fluid_tuning_unref(old_tuning, 1);
+    }
+
+
+    return FLUID_OK;
+}
+
+/**
+ * Clear tuning scale on a MIDI channel (use default equal tempered scale).
+ * @param synth FluidSynth instance
+ * @param chan MIDI channel number (0 to MIDI channel count - 1)
+ * @param apply TRUE to apply tuning change to active notes, FALSE otherwise
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ * @since 1.1.0
+ */
+int
+fluid_synth_deactivate_tuning(fluid_synth_t *synth, int chan, int apply)
+{
+    int retval = FLUID_OK;
+
+    FLUID_API_ENTRY_CHAN(FLUID_FAILED);
+
+    retval = fluid_synth_set_tuning_LOCAL(synth, chan, NULL, apply);
+
+    FLUID_API_RETURN(retval);
+}
+
+/**
+ * Start tuning iteration.
+ * @param synth FluidSynth instance
+ */
+void
+fluid_synth_tuning_iteration_start(fluid_synth_t *synth)
+{
+    fluid_return_if_fail(synth != NULL);
+    fluid_synth_api_enter(synth);
+    fluid_private_set(synth->tuning_iter, FLUID_INT_TO_POINTER(0));
+    fluid_synth_api_exit(synth);
+}
+
+/**
+ * Advance to next tuning.
+ * @param synth FluidSynth instance
+ * @param bank Location to store MIDI bank number of next tuning scale
+ * @param prog Location to store MIDI program number of next tuning scale
+ * @return 1 if tuning iteration advanced, 0 if no more tunings
+ */
+int
+fluid_synth_tuning_iteration_next(fluid_synth_t *synth, int *bank, int *prog)
+{
+    void *pval;
+    int b = 0, p = 0;
+
+    fluid_return_val_if_fail(synth != NULL, 0);
+    fluid_return_val_if_fail(bank != NULL, 0);
+    fluid_return_val_if_fail(prog != NULL, 0);
+    fluid_synth_api_enter(synth);
+
+    /* Current tuning iteration stored as: bank << 8 | program */
+    pval = fluid_private_get(synth->tuning_iter);
+    p = FLUID_POINTER_TO_INT(pval);
+    b = (p >> 8) & 0xFF;
+    p &= 0xFF;
+
+    if(!synth->tuning)
+    {
+        FLUID_API_RETURN(0);
+    }
+
+    for(; b < 128; b++, p = 0)
+    {
+        if(synth->tuning[b] == NULL)
+        {
+            continue;
+        }
+
+        for(; p < 128; p++)
+        {
+            if(synth->tuning[b][p] == NULL)
+            {
+                continue;
+            }
+
+            *bank = b;
+            *prog = p;
+
+            if(p < 127)
+            {
+                fluid_private_set(synth->tuning_iter,
+                                  FLUID_INT_TO_POINTER(b << 8 | (p + 1)));
+            }
+            else
+            {
+                fluid_private_set(synth->tuning_iter, FLUID_INT_TO_POINTER((b + 1) << 8));
+            }
+
+            FLUID_API_RETURN(1);
+        }
+    }
+
+    FLUID_API_RETURN(0);
+}
+
+/**
+ * Get the entire note tuning for a given MIDI bank and program.
+ * @param synth FluidSynth instance
+ * @param bank MIDI bank number of tuning
+ * @param prog MIDI program number of tuning
+ * @param name Location to store tuning name or NULL to ignore
+ * @param len Maximum number of chars to store to 'name' (including NULL byte)
+ * @param pitch Array to store tuning scale to or NULL to ignore (len of 128)
+ * @return #FLUID_OK if matching tuning was found, #FLUID_FAILED otherwise
+ */
+int
+fluid_synth_tuning_dump(fluid_synth_t *synth, int bank, int prog,
+                        char *name, int len, double *pitch)
+{
+    fluid_tuning_t *tuning;
+
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_synth_api_enter(synth);
+
+    tuning = fluid_synth_get_tuning(synth, bank, prog);
+
+    if(tuning)
+    {
+        if(name)
+        {
+            FLUID_SNPRINTF(name, len - 1, "%s", fluid_tuning_get_name(tuning));
+            name[len - 1] = 0;  /* make sure the string is null terminated */
+        }
+
+        if(pitch)
+        {
+            FLUID_MEMCPY(pitch, fluid_tuning_get_all(tuning), 128 * sizeof(double));
+        }
+    }
+
+    FLUID_API_RETURN(tuning ? FLUID_OK : FLUID_FAILED);
+}
+
+/**
+ * Get settings assigned to a synth.
+ * @param synth FluidSynth instance
+ * @return FluidSynth settings which are assigned to the synth
+ */
+fluid_settings_t *
+fluid_synth_get_settings(fluid_synth_t *synth)
+{
+    fluid_return_val_if_fail(synth != NULL, NULL);
+
+    return synth->settings;
+}
+
+/**
+ * Apply an offset to a SoundFont generator on a MIDI channel.
+ *
+ * This function allows to set an offset for the specified destination generator in real-time.
+ * The offset will be applied immediately to all voices that are currently and subsequently playing
+ * on the given MIDI channel. This functionality works equivalent to using NRPN MIDI messages to
+ * manipulate synthesis parameters. See SoundFont spec, paragraph 8.1.3, for details on SoundFont
+ * generator parameters and valid ranges, as well as paragraph 9.6 for details on NRPN messages.
+ * @param synth FluidSynth instance
+ * @param chan MIDI channel number (0 to MIDI channel count - 1)
+ * @param param SoundFont generator ID (#fluid_gen_type)
+ * @param value Offset value (in native units of the generator) to assign to the MIDI channel
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ */
+int fluid_synth_set_gen(fluid_synth_t *synth, int chan, int param, float value)
+{
+    fluid_return_val_if_fail(param >= 0 && param < GEN_LAST, FLUID_FAILED);
+    FLUID_API_ENTRY_CHAN(FLUID_FAILED);
+
+    fluid_synth_set_gen_LOCAL(synth, chan, param, value);
+
+    FLUID_API_RETURN(FLUID_OK);
+}
+
+/* Synthesis thread local set gen function */
+static void
+fluid_synth_set_gen_LOCAL(fluid_synth_t *synth, int chan, int param, float value)
+{
+    fluid_voice_t *voice;
+    int i;
+
+    fluid_channel_set_gen(synth->channel[chan], param, value);
+
+    for(i = 0; i < synth->polyphony; i++)
+    {
+        voice = synth->voice[i];
+
+        if(fluid_voice_get_channel(voice) == chan)
+        {
+            fluid_voice_set_param(voice, param, value);
+        }
+    }
+}
+
+/**
+ * Retrieve the generator NRPN offset assigned to a MIDI channel.
+ *
+ * The value returned is in native units of the generator. By default, the offset is zero.
+ * @param synth FluidSynth instance
+ * @param chan MIDI channel number (0 to MIDI channel count - 1)
+ * @param param SoundFont generator ID (#fluid_gen_type)
+ * @return Current NRPN generator offset value assigned to the MIDI channel
+ */
+float
+fluid_synth_get_gen(fluid_synth_t *synth, int chan, int param)
+{
+    float result;
+    fluid_return_val_if_fail(param >= 0 && param < GEN_LAST, FLUID_FAILED);
+    FLUID_API_ENTRY_CHAN(FLUID_FAILED);
+
+    result = fluid_channel_get_gen(synth->channel[chan], param);
+    FLUID_API_RETURN(result);
+}
+
+/**
+ * Handle MIDI event from MIDI router, used as a callback function.
+ * @param data FluidSynth instance
+ * @param event MIDI event to handle
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ */
+int
+fluid_synth_handle_midi_event(void *data, fluid_midi_event_t *event)
+{
+    fluid_synth_t *synth = (fluid_synth_t *) data;
+    int type = fluid_midi_event_get_type(event);
+    int chan = fluid_midi_event_get_channel(event);
+
+    switch(type)
+    {
+    case NOTE_ON:
+        return fluid_synth_noteon(synth, chan,
+                                  fluid_midi_event_get_key(event),
+                                  fluid_midi_event_get_velocity(event));
+
+    case NOTE_OFF:
+        return fluid_synth_noteoff(synth, chan, fluid_midi_event_get_key(event));
+
+    case CONTROL_CHANGE:
+        return fluid_synth_cc(synth, chan,
+                              fluid_midi_event_get_control(event),
+                              fluid_midi_event_get_value(event));
+
+    case PROGRAM_CHANGE:
+        return fluid_synth_program_change(synth, chan, fluid_midi_event_get_program(event));
+
+    case CHANNEL_PRESSURE:
+        return fluid_synth_channel_pressure(synth, chan, fluid_midi_event_get_program(event));
+
+    case KEY_PRESSURE:
+        return fluid_synth_key_pressure(synth, chan,
+                                        fluid_midi_event_get_key(event),
+                                        fluid_midi_event_get_value(event));
+
+    case PITCH_BEND:
+        return fluid_synth_pitch_bend(synth, chan, fluid_midi_event_get_pitch(event));
+
+    case MIDI_SYSTEM_RESET:
+        return fluid_synth_system_reset(synth);
+
+    case MIDI_SYSEX:
+        return fluid_synth_sysex(synth, event->paramptr, event->param1, NULL, NULL, NULL, FALSE);
+
+    case MIDI_TEXT:
+    case MIDI_LYRIC:
+    case MIDI_SET_TEMPO:
+        return FLUID_OK;
+    }
+
+    return FLUID_FAILED;
+}
+
+/**
+ * Create and start voices using an arbitrary preset and a MIDI note on event.
+ *
+ * Using this function is only supported when the setting @c synth.dynamic-sample-loading is false!
+ * @param synth FluidSynth instance
+ * @param id Voice group ID to use (can be used with fluid_synth_stop()).
+ * @param preset Preset to synthesize
+ * @param audio_chan Unused currently, set to 0
+ * @param chan MIDI channel number (0 to MIDI channel count - 1)
+ * @param key MIDI note number (0-127)
+ * @param vel MIDI velocity number (1-127)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ *
+ * @note Should only be called from within synthesis thread, which includes
+ * SoundFont loader preset noteon method.
+ */
+int
+fluid_synth_start(fluid_synth_t *synth, unsigned int id, fluid_preset_t *preset,
+                  int audio_chan, int chan, int key, int vel)
+{
+    int result, dynamic_samples;
+    fluid_return_val_if_fail(preset != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(key >= 0 && key <= 127, FLUID_FAILED);
+    fluid_return_val_if_fail(vel >= 1 && vel <= 127, FLUID_FAILED);
+    FLUID_API_ENTRY_CHAN(FLUID_FAILED);
+
+    fluid_settings_getint(fluid_synth_get_settings(synth), "synth.dynamic-sample-loading", &dynamic_samples);
+    if(dynamic_samples)
+    {
+        // The preset might not be currently used, thus its sample data may not be loaded.
+        // This guard is to avoid a NULL deref in rvoice_write().
+        FLUID_LOG(FLUID_ERR, "Calling fluid_synth_start() while synth.dynamic-sample-loading is enabled is not supported.");
+        // Although we would be able to select the preset (and load it's samples) we have no way to
+        // unselect the preset again in fluid_synth_stop(). Also dynamic sample loading was intended
+        // to be used only when presets have been selected on a MIDI channel.
+        // Note that even if the preset is currently selected on a channel, it could be unselected at
+        // any time. And we would end up with a NULL sample->data again, because we are not referencing
+        // the preset here. Thus failure is our only option.
+        result = FLUID_FAILED;
+    }
+    else
+    {
+        synth->storeid = id;
+        result = fluid_preset_noteon(preset, synth, chan, key, vel);
+    }
+
+    FLUID_API_RETURN(result);
+}
+
+/**
+ * Stop notes for a given note event voice ID.
+ * @param synth FluidSynth instance
+ * @param id Voice note event ID
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ *
+ * @note In FluidSynth versions prior to 1.1.0 #FLUID_FAILED would be returned
+ * if no matching voice note event ID was found.  Versions after 1.1.0 only
+ * return #FLUID_FAILED if an error occurs.
+ */
+int
+fluid_synth_stop(fluid_synth_t *synth, unsigned int id)
+{
+    int result;
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_synth_api_enter(synth);
+    fluid_synth_stop_LOCAL(synth, id);
+    result = FLUID_OK;
+    FLUID_API_RETURN(result);
+}
+
+/* Local synthesis thread variant of fluid_synth_stop */
+static void
+fluid_synth_stop_LOCAL(fluid_synth_t *synth, unsigned int id)
+{
+    fluid_voice_t *voice;
+    int i;
+
+    for(i = 0; i < synth->polyphony; i++)
+    {
+        voice = synth->voice[i];
+
+        if(fluid_voice_is_on(voice) && (fluid_voice_get_id(voice) == id))
+        {
+            fluid_voice_noteoff(voice);
+        }
+    }
+}
+
+/**
+ * Offset the bank numbers of a loaded SoundFont, i.e.\ subtract
+ * \c offset from any bank number when assigning instruments.
+ *
+ * @param synth FluidSynth instance
+ * @param sfont_id ID of a loaded SoundFont
+ * @param offset Bank offset value to apply to all instruments
+ * @return #FLUID_OK if the offset was set successfully, #FLUID_FAILED otherwise
+ */
+int
+fluid_synth_set_bank_offset(fluid_synth_t *synth, int sfont_id, int offset)
+{
+    fluid_sfont_t *sfont;
+    fluid_list_t *list;
+
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_synth_api_enter(synth);
+
+    for(list = synth->sfont; list; list = fluid_list_next(list))
+    {
+        sfont = fluid_list_get(list);
+
+        if(fluid_sfont_get_id(sfont) == sfont_id)
+        {
+            sfont->bankofs = offset;
+            break;
+        }
+    }
+
+    if(!list)
+    {
+        FLUID_LOG(FLUID_ERR, "No SoundFont with id = %d", sfont_id);
+        FLUID_API_RETURN(FLUID_FAILED);
+    }
+
+    FLUID_API_RETURN(FLUID_OK);
+}
+
+/**
+ * Get bank offset of a loaded SoundFont.
+ * @param synth FluidSynth instance
+ * @param sfont_id ID of a loaded SoundFont
+ * @return SoundFont bank offset value
+ */
+int
+fluid_synth_get_bank_offset(fluid_synth_t *synth, int sfont_id)
+{
+    fluid_sfont_t *sfont;
+    fluid_list_t *list;
+    int offset = 0;
+
+    fluid_return_val_if_fail(synth != NULL, 0);
+    fluid_synth_api_enter(synth);
+
+    for(list = synth->sfont; list; list = fluid_list_next(list))
+    {
+        sfont = fluid_list_get(list);
+
+        if(fluid_sfont_get_id(sfont) == sfont_id)
+        {
+            offset = sfont->bankofs;
+            break;
+        }
+    }
+
+    if(!list)
+    {
+        FLUID_LOG(FLUID_ERR, "No SoundFont with id = %d", sfont_id);
+        FLUID_API_RETURN(0);
+    }
+
+    FLUID_API_RETURN(offset);
+}
+
+void
+fluid_synth_api_enter(fluid_synth_t *synth)
+{
+    if(synth->use_mutex)
+    {
+        fluid_rec_mutex_lock(synth->mutex);
+    }
+
+    if(!synth->public_api_count)
+    {
+        fluid_synth_check_finished_voices(synth);
+    }
+
+    synth->public_api_count++;
+}
+
+void fluid_synth_api_exit(fluid_synth_t *synth)
+{
+    synth->public_api_count--;
+
+    if(!synth->public_api_count)
+    {
+        fluid_rvoice_eventhandler_flush(synth->eventhandler);
+    }
+
+    if(synth->use_mutex)
+    {
+        fluid_rec_mutex_unlock(synth->mutex);
+    }
+
+}
+
+/**
+ * Set midi channel type
+ * @param synth FluidSynth instance
+ * @param chan MIDI channel number (0 to MIDI channel count - 1)
+ * @param type MIDI channel type (#fluid_midi_channel_type)
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ * @since 1.1.4
+ */
+int fluid_synth_set_channel_type(fluid_synth_t *synth, int chan, int type)
+{
+    fluid_return_val_if_fail((type >= CHANNEL_TYPE_MELODIC) && (type <= CHANNEL_TYPE_DRUM), FLUID_FAILED);
+    FLUID_API_ENTRY_CHAN(FLUID_FAILED);
+
+    synth->channel[chan]->channel_type = type;
+
+    FLUID_API_RETURN(FLUID_OK);
+}
+
+/**
+ * Return the LADSPA effects instance used by FluidSynth
+ *
+ * @param synth FluidSynth instance
+ * @return pointer to LADSPA fx or NULL if compiled without LADSPA support or LADSPA is not active
+ */
+fluid_ladspa_fx_t *fluid_synth_get_ladspa_fx(fluid_synth_t *synth)
+{
+    fluid_return_val_if_fail(synth != NULL, NULL);
+
+    return synth->ladspa_fx;
+}
+
+/**
+ * Configure a general-purpose IIR biquad filter.
+ *
+ * @param synth FluidSynth instance
+ * @param type Type of the IIR filter to use (see #fluid_iir_filter_type)
+ * @param flags Additional flags to customize this filter or zero to stay with the default (see #fluid_iir_filter_flags)
+ * @return #FLUID_OK if the settings have been successfully applied, otherwise #FLUID_FAILED
+ *
+ * This is an optional, additional filter that operates independently from the default low-pass filter required by the Soundfont2 standard.
+ * By default this filter is off (#FLUID_IIR_DISABLED).
+ */
+int fluid_synth_set_custom_filter(fluid_synth_t *synth, int type, int flags)
+{
+    int i;
+    fluid_voice_t *voice;
+
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(type >= FLUID_IIR_DISABLED && type < FLUID_IIR_LAST, FLUID_FAILED);
+
+    fluid_synth_api_enter(synth);
+
+    synth->custom_filter_type = type;
+    synth->custom_filter_flags = flags;
+
+    for(i = 0; i < synth->polyphony; i++)
+    {
+        voice = synth->voice[i];
+
+        fluid_voice_set_custom_filter(voice, type, flags);
+    }
+
+    FLUID_API_RETURN(FLUID_OK);
+}
+
+/**
+ * Set the important channels for voice overflow priority calculation.
+ *
+ * @param synth FluidSynth instance
+ * @param channels comma-separated list of channel numbers
+ * @return #FLUID_OK on success, otherwise #FLUID_FAILED
+ */
+static int fluid_synth_set_important_channels(fluid_synth_t *synth, const char *channels)
+{
+    int i;
+    int retval = FLUID_FAILED;
+    int *values = NULL;
+    int num_values;
+    fluid_overflow_prio_t *scores;
+
+    fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+
+    scores = &synth->overflow;
+
+    if(scores->num_important_channels < synth->midi_channels)
+    {
+        scores->important_channels = FLUID_REALLOC(scores->important_channels,
+                                     sizeof(*scores->important_channels) * synth->midi_channels);
+
+        if(scores->important_channels == NULL)
+        {
+            FLUID_LOG(FLUID_ERR, "Out of memory");
+            goto exit;
+        }
+
+        scores->num_important_channels = synth->midi_channels;
+    }
+
+    FLUID_MEMSET(scores->important_channels, FALSE,
+                 sizeof(*scores->important_channels) * scores->num_important_channels);
+
+    if(channels != NULL)
+    {
+        values = FLUID_ARRAY(int, synth->midi_channels);
+
+        if(values == NULL)
+        {
+            FLUID_LOG(FLUID_ERR, "Out of memory");
+            goto exit;
+        }
+
+        /* Every channel given in the comma-separated list of channel numbers
+         * is set to TRUE, i.e. flagging it as "important". Channel numbers are
+         * 1-based. */
+        num_values = fluid_settings_split_csv(channels, values, synth->midi_channels);
+
+        for(i = 0; i < num_values; i++)
+        {
+            if(values[i] > 0 && values[i] <= synth->midi_channels)
+            {
+                scores->important_channels[values[i] - 1] = TRUE;
+            }
+        }
+    }
+
+    retval = FLUID_OK;
+
+exit:
+    FLUID_FREE(values);
+    return retval;
+}
+
+/*
+ * Handler for synth.overflow.important-channels setting.
+ */
+static void fluid_synth_handle_important_channels(void *data, const char *name,
+        const char *value)
+{
+    fluid_synth_t *synth = (fluid_synth_t *)data;
+
+    fluid_synth_api_enter(synth);
+    fluid_synth_set_important_channels(synth, value);
+    fluid_synth_api_exit(synth);
+}
+
+
+/* API legato mode *********************************************************/
+
+/**
+ * Sets the legato mode of a channel.
+ *
+ * @param synth the synth instance.
+ * @param chan MIDI channel number (0 to MIDI channel count - 1).
+ * @param legatomode The legato mode as indicated by #fluid_channel_legato_mode.
+ *
+ * @return
+ * - #FLUID_OK on success.
+ * - #FLUID_FAILED
+ *   - \a synth is NULL.
+ *   - \a chan is outside MIDI channel count.
+ *   - \a legatomode is invalid.
+ */
+int fluid_synth_set_legato_mode(fluid_synth_t *synth, int chan, int legatomode)
+{
+    /* checks parameters first */
+    fluid_return_val_if_fail(legatomode >= 0, FLUID_FAILED);
+    fluid_return_val_if_fail(legatomode < FLUID_CHANNEL_LEGATO_MODE_LAST, FLUID_FAILED);
+    FLUID_API_ENTRY_CHAN(FLUID_FAILED);
+    /**/
+    synth->channel[chan]->legatomode = legatomode;
+    /**/
+    FLUID_API_RETURN(FLUID_OK);
+}
+
+/**
+ * Gets the legato mode of a channel.
+ *
+ * @param synth the synth instance.
+ * @param chan MIDI channel number (0 to MIDI channel count - 1).
+ * @param legatomode The legato mode as indicated by #fluid_channel_legato_mode.
+ *
+ * @return
+ * - #FLUID_OK on success.
+ * - #FLUID_FAILED
+ *   - \a synth is NULL.
+ *   - \a chan is outside MIDI channel count.
+ *   - \a legatomode is NULL.
+ */
+int fluid_synth_get_legato_mode(fluid_synth_t *synth, int chan, int *legatomode)
+{
+    /* checks parameters first */
+    fluid_return_val_if_fail(legatomode != NULL, FLUID_FAILED);
+    FLUID_API_ENTRY_CHAN(FLUID_FAILED);
+    /**/
+    * legatomode = synth->channel[chan]->legatomode;
+    /**/
+    FLUID_API_RETURN(FLUID_OK);
+}
+
+/* API portamento mode *********************************************************/
+
+/**
+ * Sets the portamento mode of a channel.
+ *
+ * @param synth the synth instance.
+ * @param chan MIDI channel number (0 to MIDI channel count - 1).
+ * @param portamentomode The portamento mode as indicated by #fluid_channel_portamento_mode.
+ * @return
+ * - #FLUID_OK on success.
+ * - #FLUID_FAILED
+ *   - \a synth is NULL.
+ *   - \a chan is outside MIDI channel count.
+ *   - \a portamentomode is invalid.
+ */
+int fluid_synth_set_portamento_mode(fluid_synth_t *synth, int chan,
+                                    int portamentomode)
+{
+    /* checks parameters first */
+    fluid_return_val_if_fail(portamentomode >= 0, FLUID_FAILED);
+    fluid_return_val_if_fail(portamentomode < FLUID_CHANNEL_PORTAMENTO_MODE_LAST, FLUID_FAILED);
+    FLUID_API_ENTRY_CHAN(FLUID_FAILED);
+    /**/
+    synth->channel[chan]->portamentomode = portamentomode;
+    /**/
+    FLUID_API_RETURN(FLUID_OK);
+}
+
+/**
+ * Gets the portamento mode of a channel.
+ *
+ * @param synth the synth instance.
+ * @param chan MIDI channel number (0 to MIDI channel count - 1).
+ * @param portamentomode Pointer to the portamento mode as indicated by #fluid_channel_portamento_mode.
+ * @return
+ * - #FLUID_OK on success.
+ * - #FLUID_FAILED
+ *   - \a synth is NULL.
+ *   - \a chan is outside MIDI channel count.
+ *   - \a portamentomode is NULL.
+ */
+int fluid_synth_get_portamento_mode(fluid_synth_t *synth, int chan,
+                                    int *portamentomode)
+{
+    /* checks parameters first */
+    fluid_return_val_if_fail(portamentomode != NULL, FLUID_FAILED);
+    FLUID_API_ENTRY_CHAN(FLUID_FAILED);
+    /**/
+    * portamentomode = synth->channel[chan]->portamentomode;
+    /**/
+    FLUID_API_RETURN(FLUID_OK);
+}
+
+/*  API breath mode *********************************************************/
+
+/**
+ * Sets the breath mode of a channel.
+ *
+ * @param synth the synth instance.
+ * @param chan MIDI channel number (0 to MIDI channel count - 1).
+ * @param breathmode The breath mode as indicated by #fluid_channel_breath_flags.
+ *
+ * @return
+ * - #FLUID_OK on success.
+ * - #FLUID_FAILED
+ *   - \a synth is NULL.
+ *   - \a chan is outside MIDI channel count.
+ */
+int fluid_synth_set_breath_mode(fluid_synth_t *synth, int chan, int breathmode)
+{
+    /* checks parameters first */
+    FLUID_API_ENTRY_CHAN(FLUID_FAILED);
+    /**/
+    fluid_channel_set_breath_info(synth->channel[chan], breathmode);
+    /**/
+    FLUID_API_RETURN(FLUID_OK);
+}
+
+/**
+ * Gets the breath mode of a channel.
+ *
+ * @param synth the synth instance.
+ * @param chan MIDI channel number (0 to MIDI channel count - 1).
+ * @param breathmode Pointer to the returned breath mode as indicated by #fluid_channel_breath_flags.
+ *
+ * @return
+ * - #FLUID_OK on success.
+ * - #FLUID_FAILED
+ *   - \a synth is NULL.
+ *   - \a chan is outside MIDI channel count.
+ *   - \a breathmode is NULL.
+ */
+int fluid_synth_get_breath_mode(fluid_synth_t *synth, int chan, int *breathmode)
+{
+    /* checks parameters first */
+    fluid_return_val_if_fail(breathmode != NULL, FLUID_FAILED);
+    FLUID_API_ENTRY_CHAN(FLUID_FAILED);
+    /**/
+    * breathmode = fluid_channel_get_breath_info(synth->channel[chan]);
+    /**/
+    FLUID_API_RETURN(FLUID_OK);
+}
+
+/**  API Poly/mono mode ******************************************************/
+
+/*
+ * Resets a basic channel group of MIDI channels.
+ * @param synth the synth instance.
+ * @param chan the beginning channel of the group.
+ * @param nbr_chan the number of channel in the group.
+*/
+static void
+fluid_synth_reset_basic_channel_LOCAL(fluid_synth_t *synth, int chan, int nbr_chan)
+{
+    int i;
+
+    for(i = chan; i < chan + nbr_chan; i++)
+    {
+        fluid_channel_reset_basic_channel_info(synth->channel[i]);
+        synth->channel[i]->mode_val = 0;
+    }
+}
+
+/**
+ * Disables and unassigns all channels from a basic channel group.
+ *
+ * @param synth The synth instance.
+ * @param chan The basic channel of the group to reset or -1 to reset all channels.
+ * @note By default (i.e. on creation after new_fluid_synth() and after fluid_synth_system_reset())
+ * a synth instance has one basic channel at channel 0 in mode #FLUID_CHANNEL_MODE_OMNION_POLY.
+ * All other channels belong to this basic channel group. Make sure to call this function before
+ * setting any custom basic channel setup.
+ *
+ * @return
+ *  - #FLUID_OK on success.
+ *  - #FLUID_FAILED
+ *    - \a synth is NULL.
+ *    - \a chan is outside MIDI channel count.
+ *    - \a chan isn't a basic channel.
+ */
+int fluid_synth_reset_basic_channel(fluid_synth_t *synth, int chan)
+{
+    int nbr_chan;
+
+    /* checks parameters first */
+    if(chan < 0)
+    {
+        fluid_return_val_if_fail(synth != NULL, FLUID_FAILED);
+        fluid_synth_api_enter(synth);
+        /* The range is all MIDI channels from 0 to MIDI channel count -1 */
+        chan = 0; /* beginning chan */
+        nbr_chan =  synth->midi_channels; /* MIDI Channels number */
+    }
+    else
+    {
+        FLUID_API_ENTRY_CHAN(FLUID_FAILED);
+
+        /* checks if chan is a basic channel */
+        if(!(synth->channel[chan]->mode &  FLUID_CHANNEL_BASIC))
+        {
+            FLUID_API_RETURN(FLUID_FAILED);
+        }
+
+        /* The range is all MIDI channels in the group from chan */
+        nbr_chan = synth->channel[chan]->mode_val; /* nbr of channels in the group */
+    }
+
+    /* resets the range of MIDI channels */
+    fluid_synth_reset_basic_channel_LOCAL(synth, chan, nbr_chan);
+    FLUID_API_RETURN(FLUID_OK);
+}
+
+/**
+ * Checks if a new basic channel group overlaps the next basic channel group.
+ *
+ * On success the function returns the possible number of channel for this
+ * new basic channel group.
+ * The function fails if the new group overlaps the next basic channel group.
+ *
+ * @param see fluid_synth_set_basic_channel.
+ * @return
+ * - On success, the effective number of channels for this new basic channel group,
+ *   #FLUID_FAILED otherwise.
+ * - #FLUID_FAILED
+ *   - \a val has a number of channels overlapping next basic channel group or been
+ *     above MIDI channel count.
+ */
+static int
+fluid_synth_check_next_basic_channel(fluid_synth_t *synth, int basicchan, int mode, int val)
+{
+    int i, n_chan = synth->midi_channels; /* MIDI Channels count */
+    int real_val = val; /* real number of channels in the group */
+
+    /* adjusts val range */
+    if(mode == FLUID_CHANNEL_MODE_OMNIOFF_POLY)
+    {
+        real_val = 1; /* mode poly omnioff implies a group of only one channel.*/
+    }
+    else if(val == 0)
+    {
+        /* mode poly omnion (0), mono omnion (1), mono omni off (3) */
+        /* value 0 means all possible channels from basicchan to MIDI channel count -1.*/
+        real_val = n_chan - basicchan;
+    }
+    /* checks if val range is above MIDI channel count */
+    else if(basicchan + val > n_chan)
+    {
+        return FLUID_FAILED;
+    }
+
+    /* checks if this basic channel group overlaps next basic channel group */
+    for(i = basicchan + 1; i < basicchan + real_val; i++)
+    {
+        if(synth->channel[i]->mode &  FLUID_CHANNEL_BASIC)
+        {
+            /* A value of 0 for val means all possible channels from basicchan to
+            to the next basic channel -1 (if any).
+            When i reaches the next basic channel group, real_val will be
+            limited if it is possible */
+            if(val == 0)
+            {
+                /* limitation of real_val */
+                real_val = i - basicchan;
+                break;
+            }
+
+            /* overlap with the next basic channel group */
+            return FLUID_FAILED;
+        }
+    }
+
+    return real_val;
+}
+
+/**
+ * Sets a new basic channel group only. The function doesn't allow to change an
+ * existing basic channel.
+ *
+ * The function fails if any channel overlaps any existing basic channel group.
+ * To make room if necessary, basic channel groups can be cleared using
+ * fluid_synth_reset_basic_channel().
+ *
+ * @param synth the synth instance.
+ * @param chan the basic Channel number (0 to MIDI channel count-1).
+ * @param mode the MIDI mode to use for chan (see #fluid_basic_channel_modes).
+ * @param val number of channels in the group.
+ * @note \a val is only relevant for mode #FLUID_CHANNEL_MODE_OMNION_POLY,
+ * #FLUID_CHANNEL_MODE_OMNION_MONO and #FLUID_CHANNEL_MODE_OMNIOFF_MONO. A value
+ * of 0 means all possible channels from \a chan to to next basic channel minus 1 (if any)
+ * or to MIDI channel count minus 1. Val is ignored for #FLUID_CHANNEL_MODE_OMNIOFF_POLY
+ * as this mode implies a group of only one channel.
+ * @return
+ * - #FLUID_OK on success.
+ * - #FLUID_FAILED
+ *   - \a synth is NULL.
+ *   - \a chan is outside MIDI channel count.
+ *   - \a mode is invalid.
+ *   - \a val has a number of channels overlapping another basic channel group or been
+ *     above MIDI channel count.
+ *   - When the function fails, any existing basic channels aren't modified.
+ */
+int fluid_synth_set_basic_channel(fluid_synth_t *synth, int chan, int mode, int val)
+{
+    /* check parameters */
+    fluid_return_val_if_fail(mode >= 0, FLUID_FAILED);
+    fluid_return_val_if_fail(mode < FLUID_CHANNEL_MODE_LAST, FLUID_FAILED);
+    fluid_return_val_if_fail(val >= 0, FLUID_FAILED);
+    FLUID_API_ENTRY_CHAN(FLUID_FAILED);
+
+    /**/
+    if(val > 0 && chan + val > synth->midi_channels)
+    {
+        FLUID_API_RETURN(FLUID_FAILED);
+    }
+
+    /* Checks if there is an overlap with the next basic channel */
+    val = fluid_synth_check_next_basic_channel(synth, chan, mode, val);
+
+    if(val == FLUID_FAILED || synth->channel[chan]->mode &  FLUID_CHANNEL_ENABLED)
+    {
+        /* overlap with the next or previous channel group */
+        FLUID_LOG(FLUID_INFO, "basic channel %d overlaps another group", chan);
+        FLUID_API_RETURN(FLUID_FAILED);
+    }
+
+    /* sets a new basic channel group */
+    fluid_synth_set_basic_channel_LOCAL(synth, chan, mode, val);
+    /**/
+    FLUID_API_RETURN(FLUID_OK);
+}
+
+/*
+ * Local version of fluid_synth_set_basic_channel(), called internally:
+ * - by fluid_synth_set_basic_channel() to set a new basic channel group.
+ * - during creation new_fluid_synth() or on CC reset to set a default basic channel group.
+ * - on CC ominoff, CC omnion, CC poly , CC mono to change an existing basic channel group.
+ *
+ * @param see fluid_synth_set_basic_channel()
+*/
+static void
+fluid_synth_set_basic_channel_LOCAL(fluid_synth_t *synth, int basicchan, int mode, int val)
+{
+    int i;
+
+    /* sets the basic channel group */
+    for(i = basicchan; i < basicchan + val; i++)
+    {
+        int new_mode = mode; /* OMNI_OFF/ON, MONO/POLY ,others bits are zero */
+        int new_val;
+        /* MIDI specs: when mode is changed, channel must receive ALL_NOTES_OFF */
+        fluid_synth_all_notes_off_LOCAL(synth, i);
+
+        if(i == basicchan)
+        {
+            new_mode |= FLUID_CHANNEL_BASIC; /* First channel in the group */
+            new_val = val;	/* number of channels in the group */
+        }
+        else
+        {
+            new_val = 0; /* val is 0 for other channel than basic channel */
+        }
+
+        /* Channel is enabled */
+        new_mode |= FLUID_CHANNEL_ENABLED;
+        /* Now new_mode is OMNI OFF/ON,MONO/POLY, BASIC_CHANNEL or not and enabled */
+        fluid_channel_set_basic_channel_info(synth->channel[i], new_mode);
+        synth->channel[i]->mode_val = new_val;
+    }
+}
+
+/**
+ * Searches a previous basic channel starting from chan.
+ *
+ * @param synth the synth instance.
+ * @param chan starting index of the search (including chan).
+ * @return index of the basic channel if found , FLUID_FAILED otherwise.
+ */
+static int fluid_synth_get_previous_basic_channel(fluid_synth_t *synth, int chan)
+{
+    for(; chan >= 0; chan--)
+    {
+        /* searches previous basic channel */
+        if(synth->channel[chan]->mode &  FLUID_CHANNEL_BASIC)
+        {
+            /* chan is the previous basic channel */
+            return chan;
+        }
+    }
+
+    return FLUID_FAILED;
+}
+
+/**
+ * Returns poly mono mode information of any MIDI channel.
+ *
+ * @param synth the synth instance
+ * @param chan MIDI channel number (0 to MIDI channel count - 1)
+ * @param basic_chan_out Buffer to store the basic channel \a chan belongs to or #FLUID_FAILED if \a chan is disabled.
+ * @param mode_out Buffer to store the mode of \a chan (see #fluid_basic_channel_modes) or #FLUID_FAILED if \a chan is disabled.
+ * @param val_out Buffer to store the total number of channels in this basic channel group or #FLUID_FAILED if \a chan is disabled.
+ * @note If any of \a basic_chan_out, \a mode_out, \a val_out pointer is NULL
+ *  the corresponding information isn't returned.
+ *
+ * @return
+ * - #FLUID_OK on success.
+ * - #FLUID_FAILED
+ *   - \a synth is NULL.
+ *   - \a chan is outside MIDI channel count.
+ */
+int fluid_synth_get_basic_channel(fluid_synth_t *synth, int chan,
+                                  int *basic_chan_out,
+                                  int *mode_out,
+                                  int *val_out)
+{
+    int basic_chan = FLUID_FAILED;
+    int mode = FLUID_FAILED;
+    int val = FLUID_FAILED;
+
+    /* checks parameters first */
+    FLUID_API_ENTRY_CHAN(FLUID_FAILED);
+
+    if((synth->channel[chan]->mode &  FLUID_CHANNEL_ENABLED) &&
+            /* chan is enabled , we search the basic channel chan belongs to */
+            (basic_chan = fluid_synth_get_previous_basic_channel(synth, chan)) != FLUID_FAILED)
+    {
+        mode = synth->channel[chan]->mode & FLUID_CHANNEL_MODE_MASK;
+        val = synth->channel[basic_chan]->mode_val;
+    }
+
+    /* returns the information if they are requested */
+    if(basic_chan_out)
+    {
+        * basic_chan_out = basic_chan;
+    }
+
+    if(mode_out)
+    {
+        * mode_out = mode;
+    }
+
+    if(val_out)
+    {
+        * val_out = val;
+    }
+
+    FLUID_API_RETURN(FLUID_OK);
+}
diff --git a/libs/fluidsynth/src/synth/fluid_synth.h b/libs/fluidsynth/src/synth/fluid_synth.h
new file mode 100644
index 00000000000..cb838e92462
--- /dev/null
+++ b/libs/fluidsynth/src/synth/fluid_synth.h
@@ -0,0 +1,263 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+
+#ifndef _FLUID_SYNTH_H
+#define _FLUID_SYNTH_H
+
+
+/***************************************************************
+ *
+ *                         INCLUDES
+ */
+
+#include "fluid_sys.h"
+#include "fluid_list.h"
+#include "fluid_rev.h"
+#include "fluid_voice.h"
+#include "fluid_chorus.h"
+#include "fluid_ladspa.h"
+#include "fluid_midi_router.h"
+#include "fluid_rvoice_event.h"
+
+/***************************************************************
+ *
+ *                         DEFINES
+ */
+#define FLUID_NUM_PROGRAMS      128
+#define DRUM_INST_BANK		128
+
+#define FLUID_UNSET_PROGRAM     128     /* Program number used to unset a preset */
+
+#define FLUID_REVERB_DEFAULT_ROOMSIZE 0.2f      /**< Default reverb room size */
+#define FLUID_REVERB_DEFAULT_DAMP 0.0f          /**< Default reverb damping */
+#define FLUID_REVERB_DEFAULT_WIDTH 0.5f         /**< Default reverb width */
+#define FLUID_REVERB_DEFAULT_LEVEL 0.9f         /**< Default reverb level */
+
+#define FLUID_CHORUS_DEFAULT_N 3                                /**< Default chorus voice count */
+#define FLUID_CHORUS_DEFAULT_LEVEL 2.0f                         /**< Default chorus level */
+#define FLUID_CHORUS_DEFAULT_SPEED 0.3f                         /**< Default chorus speed */
+#define FLUID_CHORUS_DEFAULT_DEPTH 8.0f                         /**< Default chorus depth */
+#define FLUID_CHORUS_DEFAULT_TYPE FLUID_CHORUS_MOD_SINE         /**< Default chorus waveform type */
+
+/***************************************************************
+ *
+ *                         ENUM
+ */
+
+/**
+ * Bank Select MIDI message styles. Default style is GS.
+ */
+enum fluid_midi_bank_select
+{
+    FLUID_BANK_STYLE_GM,  /**< GM style, bank = 0 always (CC0/MSB and CC32/LSB ignored) */
+    FLUID_BANK_STYLE_GS,  /**< GS style, bank = CC0/MSB (CC32/LSB ignored) */
+    FLUID_BANK_STYLE_XG,  /**< XG style, bank = CC32/LSB (CC0/MSB ignored) */
+    FLUID_BANK_STYLE_MMA  /**< MMA style bank = 128*MSB+LSB */
+};
+
+enum fluid_synth_status
+{
+    FLUID_SYNTH_CLEAN,
+    FLUID_SYNTH_PLAYING,
+    FLUID_SYNTH_QUIET,
+    FLUID_SYNTH_STOPPED
+};
+
+#define SYNTH_REVERB_CHANNEL 0
+#define SYNTH_CHORUS_CHANNEL 1
+
+/*
+ * fluid_synth_t
+ *
+ * Mutual exclusion notes (as of 1.1.2):
+ *
+ * All variables are considered belongning to the "public API" thread,
+ * which processes all MIDI, except for:
+ *
+ * ticks_since_start - atomic, set by rendering thread only
+ * cpu_load - atomic, set by rendering thread only
+ * cur, curmax, dither_index - used by rendering thread only
+ * ladspa_fx - same instance copied in rendering thread. Synchronising handled internally.
+ *
+ */
+
+struct _fluid_synth_t
+{
+    fluid_rec_mutex_t mutex;           /**< Lock for public API */
+    int use_mutex;                     /**< Use mutex for all public API functions? */
+    int public_api_count;              /**< How many times the mutex is currently locked */
+
+    fluid_settings_t *settings;        /**< the synthesizer settings */
+    int device_id;                     /**< Device ID used for SYSEX messages */
+    int polyphony;                     /**< Maximum polyphony */
+    int with_reverb;                   /**< Should the synth use the built-in reverb unit? */
+    int with_chorus;                   /**< Should the synth use the built-in chorus unit? */
+    int verbose;                       /**< Turn verbose mode on? */
+    double sample_rate;                /**< The sample rate */
+    int midi_channels;                 /**< the number of MIDI channels (>= 16) */
+    int bank_select;                   /**< the style of Bank Select MIDI messages */
+    int audio_channels;                /**< the number of audio channels (1 channel=left+right) */
+    int audio_groups;                  /**< the number of (stereo) 'sub'groups from the synth.
+					  Typically equal to audio_channels. */
+    int effects_channels;              /**< the number of effects channels (>= 2) */
+    int effects_groups;                /**< the number of effects units (>= 1) */
+    int state;                         /**< the synthesizer state */
+    fluid_atomic_uint_t ticks_since_start;    /**< the number of audio samples since the start */
+    unsigned int start;                /**< the start in msec, as returned by system clock */
+    fluid_overflow_prio_t overflow;    /**< parameters for overflow priority (aka voice-stealing) */
+
+    fluid_list_t *loaders;             /**< the SoundFont loaders */
+    fluid_list_t *sfont;          /**< List of fluid_sfont_info_t for each loaded SoundFont (remains until SoundFont is unloaded) */
+    int sfont_id;             /**< Incrementing ID assigned to each loaded SoundFont */
+    fluid_list_t *fonts_to_be_unloaded; /**< list of timers that try to unload a soundfont */
+
+    float gain;                        /**< master gain */
+    fluid_channel_t **channel;         /**< the channels */
+    int nvoice;                        /**< the length of the synthesis process array (max polyphony allowed) */
+    fluid_voice_t **voice;             /**< the synthesis voices */
+    int active_voice_count;            /**< count of active voices */
+    unsigned int noteid;               /**< the id is incremented for every new note. it's used for noteoff's  */
+    unsigned int storeid;
+    int fromkey_portamento;			 /**< fromkey portamento */
+    fluid_rvoice_eventhandler_t *eventhandler;
+
+    /**< Shadow of reverb parameter: roomsize, damping, width, level */
+    double reverb_param[FLUID_REVERB_PARAM_LAST];
+
+    /**< Shadow of chorus parameter: chorus number, level, speed, depth, type */
+    double chorus_param[FLUID_CHORUS_PARAM_LAST];
+
+    int cur;                           /**< the current sample in the audio buffers to be output */
+    int curmax;                        /**< current amount of samples present in the audio buffers */
+    int dither_index;		     /**< current index in random dither value buffer: fluid_synth_(write_s16|dither_s16) */
+
+    fluid_atomic_float_t cpu_load;                    /**< CPU load in percent (CPU time required / audio synthesized time * 100) */
+
+    fluid_tuning_t ***tuning;          /**< 128 banks of 128 programs for the tunings */
+    fluid_private_t tuning_iter;       /**< Tuning iterators per each thread */
+
+    fluid_sample_timer_t *sample_timers; /**< List of timers triggered before a block is processed */
+    unsigned int min_note_length_ticks; /**< If note-offs are triggered just after a note-on, they will be delayed */
+
+    int cores;                         /**< Number of CPU cores (1 by default) */
+
+    fluid_mod_t *default_mod;          /**< the (dynamic) list of default modulators */
+
+    fluid_ladspa_fx_t *ladspa_fx;      /**< Effects unit for LADSPA support */
+    enum fluid_iir_filter_type custom_filter_type; /**< filter type of the user-defined filter currently used for all voices */
+    enum fluid_iir_filter_flags custom_filter_flags; /**< filter type of the user-defined filter currently used for all voices */
+};
+
+/**
+ * Type definition of the synthesizer's audio callback function.
+ * @param synth FluidSynth instance
+ * @param len Count of audio frames to synthesize
+ * @param out1 Array to store left channel of audio to
+ * @param loff Offset index in 'out1' for first sample
+ * @param lincr Increment between samples stored to 'out1'
+ * @param out2 Array to store right channel of audio to
+ * @param roff Offset index in 'out2' for first sample
+ * @param rincr Increment between samples stored to 'out2'
+ */
+typedef int (*fluid_audio_callback_t)(fluid_synth_t *synth, int len,
+                                      void *out1, int loff, int lincr,
+                                      void *out2, int roff, int rincr);
+
+typedef int (*fluid_audio_channels_callback_t)(fluid_synth_t *synth, int len,
+                                               int channels_count,
+                                               void *channels_out[], int channels_off[],
+                                               int channels_incr[]);
+
+int
+fluid_synth_write_float_channels_LOCAL(fluid_synth_t *synth, int len,
+                                       int channels_count,
+                                       void *channels_out[], int channels_off[],
+                                       int channels_incr[],
+                                       int (*block_render_func)(fluid_synth_t *, int));
+
+int
+fluid_synth_write_s16_channels(fluid_synth_t *synth, int len,
+                               int channels_count,
+                               void *channels_out[], int channels_off[],
+                               int channels_incr[]);
+int
+fluid_synth_write_float_channels(fluid_synth_t *synth, int len,
+                                 int channels_count,
+                                 void *channels_out[], int channels_off[],
+                                 int channels_incr[]);
+
+fluid_preset_t *fluid_synth_find_preset(fluid_synth_t *synth,
+                                        int banknum,
+                                        int prognum);
+void fluid_synth_sfont_unref(fluid_synth_t *synth, fluid_sfont_t *sfont);
+
+void fluid_synth_dither_s16(int *dither_index, int len, const float *lin, const float *rin,
+                            void *lout, int loff, int lincr,
+                            void *rout, int roff, int rincr);
+
+int fluid_synth_reset_reverb(fluid_synth_t *synth);
+int fluid_synth_set_reverb_preset(fluid_synth_t *synth, unsigned int num);
+int fluid_synth_reverb_set_param(fluid_synth_t *synth, int fx_group,
+                                 int param,
+                                 double value);
+int fluid_synth_set_reverb_full(fluid_synth_t *synth, int fx_group, int set,
+                                const double values[]);
+
+int fluid_synth_reset_chorus(fluid_synth_t *synth);
+int fluid_synth_chorus_set_param(fluid_synth_t *synth, int fx_group,
+                                 int param, double value);
+int fluid_synth_set_chorus_full(fluid_synth_t *synth, int fx_group, int set,
+                                const double values[]);
+
+fluid_sample_timer_t *new_fluid_sample_timer(fluid_synth_t *synth, fluid_timer_callback_t callback, void *data);
+void delete_fluid_sample_timer(fluid_synth_t *synth, fluid_sample_timer_t *timer);
+void fluid_sample_timer_reset(fluid_synth_t *synth, fluid_sample_timer_t *timer);
+
+void fluid_synth_process_event_queue(fluid_synth_t *synth);
+
+int
+fluid_synth_process_LOCAL(fluid_synth_t *synth, int len, int nfx, float *fx[],
+                          int nout, float *out[], int (*block_render_func)(fluid_synth_t *, int));
+int
+fluid_synth_write_float_LOCAL(fluid_synth_t *synth, int len,
+                              void *lout, int loff, int lincr,
+                              void *rout, int roff, int rincr,
+                              int (*block_render_func)(fluid_synth_t *, int));
+/*
+ * misc
+ */
+void fluid_synth_settings(fluid_settings_t *settings);
+void fluid_synth_set_sample_rate_immediately(fluid_synth_t *synth, float sample_rate);
+
+
+/* extern declared in fluid_synth_monopoly.c */
+
+int fluid_synth_noteon_mono_staccato(fluid_synth_t *synth, int chan, int key, int vel);
+int fluid_synth_noteon_mono_LOCAL(fluid_synth_t *synth, int chan, int key, int vel);
+int fluid_synth_noteoff_mono_LOCAL(fluid_synth_t *synth, int chan, int key);
+int fluid_synth_noteon_monopoly_legato(fluid_synth_t *synth, int chan, int fromkey, int tokey, int vel);
+int fluid_synth_noteoff_monopoly(fluid_synth_t *synth, int chan, int key, char Mono);
+
+fluid_voice_t *
+fluid_synth_alloc_voice_LOCAL(fluid_synth_t *synth, fluid_sample_t *sample, int chan, int key, int vel, fluid_zone_range_t *zone_range);
+
+void fluid_synth_release_voice_on_same_note_LOCAL(fluid_synth_t *synth, int chan, int key);
+#endif  /* _FLUID_SYNTH_H */
diff --git a/libs/fluidsynth/src/synth/fluid_synth_monopoly.c b/libs/fluidsynth/src/synth/fluid_synth_monopoly.c
new file mode 100644
index 00000000000..d1de13196ec
--- /dev/null
+++ b/libs/fluidsynth/src/synth/fluid_synth_monopoly.c
@@ -0,0 +1,722 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#include "fluid_synth.h"
+#include "fluid_chan.h"
+#include "fluid_defsfont.h"
+
+
+/******************************************************************************
+  The legato detector is composed as this,
+  variables:
+  - monolist: monophonic list variable.
+  - prev_note: to store the most recent note before adding on noteon or before
+               removing on noteoff.
+  - FLUID_CHANNEL_LEGATO_PLAYING: legato/staccato state bit that informs on
+               legato or staccato playing.
+  functions:
+  - fluid_channel_add_monolist(), for inserting a new note.
+  - fluid_channel_search_monolist(), for searching the position of a note
+    into the list.
+  - fluid_channel_remove_monolist(), for removing a note from the list.
+
+            The monophonic list
+   +------------------------------------------------+
+   |    +----+   +----+          +----+   +----+    |
+   |    |note|   |note|          |note|   |note|    |
+   +--->|vel |-->|vel |-->....-->|vel |-->|vel |----+
+        +----+   +----+          +----+   +----+
+         /|\                      /|\
+          |                        |
+       i_first                   i_last
+
+  The list allows an easy automatic detection of a legato passage when it is
+  played on a MIDI keyboard input device.
+  It is useful also when the input device is an ewi (electronic wind instrument)
+  or evi (electronic valve instrument) and these instruments are unable to send
+  MIDI CC legato on/off.
+
+  The list memorizes the notes in playing order.
+  - (a) On noteOn n2, if a previous note n1 exists, there is a legato
+     detection with n1 (with or without portamento from n1 to n2 See note below).
+  - (b) On noteOff of the running note n2, if a previous note n1 exists,
+     there is a legato detection from n2 to n1, allowing fast trills playing
+     (with or without portamento from n2 to n1. See note below).
+
+  Notes in the list are inserted to the end of the list that works like a
+  circular buffer.The features are:
+
+  1) It is always possible to play an infinite legato passage in
+     direct order (n1_On,n2_On,n3_On,....).
+
+  2) Playing legato in the reverse order (n10_Off, n9_Off,,...) helps in
+     fast trills playing as the list memorizes 10 most recent notes.
+
+  3) Playing an infinite lagato passage in ascendant or descendant order,
+     without playing trills is always possible using the usual way like this:
+      First we begin with an ascendant passage,
+      n1On, (n2On,n1Off), (n3On,n2Off) , (n4On,n3Off), then
+	  we continue with a descendant passage
+      (n3On,n4off), (n2On,n3off), (n1On,n2off), n1Off...and so on
+
+ Each MIDI channel have a legato detector.
+
+ Note:
+  Portamento is a feature independent of the legato detector. So
+  portamento isn't part of the lagato detector. However portamento
+  (when enabled) is triggered at noteOn (like legato). Like in legato
+  situation it is usual to have a portamento from a note 'fromkey' to another
+  note 'tokey'. Portamento fromkey note choice is determined at noteOn by
+  fluid_synth_get_fromkey_portamento_legato() (see below).
+
+  More information in FluidPolyMono-0004.pdf chapter 4 (Appendices).
+******************************************************************************/
+
+
+/*****************************************************************************
+ Portamento related functions in Poly or Mono mode
+******************************************************************************/
+
+/**
+ * fluid_synth_get_fromkey_portamento_legato returns two information:
+ *    - fromkey note for portamento.
+ *    - fromkey note for legato.
+ *                                                 +-----> fromkey_portamento
+ *                                           ______|________
+ *                portamento modes >------->|               |
+ *                                          | get_fromkey   |
+ *  Porta.on/off >------------------------->|_______________|
+ *  (PTC)                                          |
+ *                                                 +-----> fromkey_legato
+ *
+ * The functions is intended to be call on noteOn mono
+ * see fluid_synth_noteon_mono_staccato(), fluid_synth_noteon_monopoly_legato()
+ * -------
+ * 1)The function determines if a portamento must occur on next noteOn.
+ * The value returned is 'fromkey portamento' which is the pitchstart key
+ * of a portamento, as function of PTC or (default_fromkey, prev_note) both
+ * if Portamento On. By order of precedence the result is:
+ *  1.1) PTC have precedence over Portamento On.
+ *       If CC PTC has been received, its value supersedes and any
+ *       portamento pedal On, default_fromkey,prev_note or portamento mode.
+ *  1.2) Otherwise ,when Portamento On the function takes the following value:
+ *       - default_fromkey if valid
+ *       - otherwise prev_note(prev_note is the note prior the most recent
+ *         note played).
+ *       Then portamento mode is applied to validate the value chosen.
+ *       Where portamento mode is:
+ *       - each note, a portamento occurs on each note.
+ *       - legato only, portamento only on notes played legato.
+ *       - staccato only, portamento only on notes played staccato.
+ *  1.3) Otherwise, portamento is off,INVALID_NOTE is returned (portamento is disabled).
+ * ------
+ * 2)The function determines if a legato playing must occur on next noteOn.
+ *  'fromkey legato note' is returned as a function of default_fromkey, PTC,
+ *   current mono/poly mode,actual 'staccato/legato' playing state and prev_note.
+ *   By order of precedence the result is:
+ *   2.1) If valid, default_fromkey have precedence over any others values.
+ *   2.2) Otherwise if CC PTC has been received its value is returned.
+ *   2.3) Otherwise fromkey legato is determined from the mono/poly mode,
+ *        the actual 'staccato/legato' playing state (FLUID_CHANNEL_LEGATO_PLAYING) and prev_note
+ *        as this:
+ *        - in (poly/Mono) staccato , INVALID_NOTE is returned.
+ *        - in poly  legato , actually we don't want playing legato. So
+ *          INVALID_NOTE is returned.
+ *        - in mono legato , prev_note is returned.
+ *
+ * On input
+ * @param chan  fluid_channel_t.
+ * @param defaultFromkey, the default 'fromkey portamento' note or 'fromkey legato'
+ *       note (see description above).
+ *
+ * @return
+ *  1)'fromkey portamento' is returned in fluid_synth_t.fromkey_portamento.
+ *  If valid,it means that portamento is enabled .
+ *
+ *  2)The 'fromkey legato' note is returned.
+ *
+ * Notes about usage:
+ * The function is intended to be called when the following event occurs:
+ * - On noteOn (Poly or Mono) after insertion in the monophonic list.
+ * - On noteOff(mono legato playing). In this case, default_fromkey must be valid.
+ *
+ * Typical calling usage:
+ * - In poly, default_fromkey must be INVALID_NOTE.
+ * - In mono staccato playing,default_fromkey must be INVALID_NOTE.
+ * - In mono legato playing,default_fromkey must be valid.
+ */
+static char fluid_synth_get_fromkey_portamento_legato(fluid_channel_t *chan,
+        int default_fromkey)
+{
+    unsigned char ptc = fluid_channel_get_cc(chan, PORTAMENTO_CTRL);
+
+    if(fluid_channel_is_valid_note(ptc))
+    {
+        /* CC PTC has been received */
+        fluid_channel_clear_portamento(chan);	/* clears the CC PTC receive */
+        chan->synth->fromkey_portamento =  ptc;/* returns fromkey portamento */
+
+        /* returns fromkey legato */
+        if(!fluid_channel_is_valid_note(default_fromkey))
+        {
+            default_fromkey = ptc;
+        }
+    }
+    else
+    {
+        /* determines and returns fromkey portamento */
+        unsigned char fromkey_portamento = INVALID_NOTE;
+
+        if(fluid_channel_portamento(chan))
+        {
+            /* Portamento when Portamento pedal is On */
+            /* 'fromkey portamento'is determined from the portamento mode
+             and the most recent note played (prev_note)*/
+            enum fluid_channel_portamento_mode portamentomode = chan->portamentomode;
+
+            if(fluid_channel_is_valid_note(default_fromkey))
+            {
+                fromkey_portamento = default_fromkey; /* on each note */
+            }
+            else
+            {
+                fromkey_portamento = fluid_channel_prev_note(chan); /* on each note */
+            }
+
+            if(portamentomode == FLUID_CHANNEL_PORTAMENTO_MODE_LEGATO_ONLY)
+            {
+                /* Mode portamento:legato only */
+                if(!(chan->mode  & FLUID_CHANNEL_LEGATO_PLAYING))
+                {
+                    fromkey_portamento = INVALID_NOTE;
+                }
+            }
+            else if(portamentomode == FLUID_CHANNEL_PORTAMENTO_MODE_STACCATO_ONLY)
+            {
+                /* Mode portamento:staccato only */
+                if(chan->mode  & FLUID_CHANNEL_LEGATO_PLAYING)
+                {
+                    fromkey_portamento = INVALID_NOTE;
+                }
+            }
+
+            /* else Mode portamento: on each note (staccato/legato) */
+        }
+
+        /* Returns fromkey portamento */
+        chan->synth->fromkey_portamento = fromkey_portamento;
+
+        /* Determines and returns fromkey legato */
+        if(!fluid_channel_is_valid_note(default_fromkey))
+        {
+            /* in staccato (poly/Mono) returns INVALID_NOTE */
+            /* In mono mode legato playing returns the note prior most
+               recent note played */
+            if(fluid_channel_is_playing_mono(chan) && (chan->mode  & FLUID_CHANNEL_LEGATO_PLAYING))
+            {
+                default_fromkey = fluid_channel_prev_note(chan); /* note prior last note */
+            }
+
+            /* In poly mode legato playing, actually we don't want playing legato.
+            So returns INVALID_NOTE */
+        }
+    }
+
+    return default_fromkey; /* Returns legato fromkey */
+}
+
+/*****************************************************************************
+ noteon - noteoff functions in Mono mode
+******************************************************************************/
+/*
+ *  noteon - noteoff on a channel in "monophonic playing".
+ *
+ *  A channel needs to be played monophonic if this channel has been set in
+ *  monophonic mode by basic channel API.(see fluid_synth_polymono.c).
+ *  A channel needs also to be played monophonic if it has been set in
+ *  polyphonic mode and legato pedal is On during the playing.
+ *  When a channel is in "monophonic playing" state, only one note at a time can be
+ *  played in a staccato or legato manner (with or without portamento).
+ *  More information in FluidPolyMono-0004.pdf chapter 4 (Appendices).
+ *                                           _______________
+ *                 ________________         |    noteon     |
+ *                | legato detector|    O-->| mono_staccato |--*-> preset_noteon
+ *  noteon_mono ->| (add_monolist) |--O--   |_______________|  |   (with or without)
+ *  LOCAL         |________________|    O         /|\          |   (portamento)
+ *                  /|\ set_onenote     |          | fromkey   |
+ *                   |                  |          | portamento|
+ *  noteOn poly  >---*------------------*          |           |
+ *                                      |          |           |
+ *                                      |    _____ |________   |
+ *                portamento modes >--- | ->|               |  |
+ *                                      |   |  get_fromkey  |  |
+ *  Porta.on/off >--------------------- | ->|_______________|  |
+ *  (PTC)                               |          |           |
+ *                                      |  fromkey | fromkey   |
+ *                                      |  legato  | portamento|
+ *                                      |    _____\|/_______   |
+ *                                      *-->|    noteon     |--/
+ *                                      |   |    monopoly   |
+ *                                      |   |    legato     |----> voices
+ *                legato modes >------- | ->|_______________|      triggering
+ *                                      |                          (with or without)
+ *                                      |                          (portamento)
+ *                                      |
+ *                                      |
+ *  noteOff poly >---*----------------- | ---------+
+ *                   |  clear           |          |
+ *                 _\|/_____________    |          |
+ *                | legato detector |   O          |
+ *  noteoff_mono->|(search_monolist)|-O--    _____\|/_______
+ *  LOCAL         |(remove_monolist)|   O-->|   noteoff     |
+ *                |_________________|       |   monopoly    |----> noteoff
+ *  Sust.on/off  >------------------------->|_______________|
+ *  Sost.on/off
+------------------------------------------------------------------------------*/
+
+/**
+ * Plays a noteon event for a Synth instance in "monophonic playing" state.
+ * Please see the description above about "monophonic playing".
+ *                                          _______________
+ *                ________________         |    noteon     |
+ *               | legato detector|    O-->| mono_staccato |--->preset_noteon
+ * noteon_mono ->| (add_monolist) |--O--   |_______________|
+ * LOCAL         |________________|    O
+ *                                     |
+ *                                     |
+ *                                     |
+ *                                     |
+ *                                     |
+ *                                     |
+ *                                     |
+ *                                     |
+ *                                     |
+ *                                     |    _______________
+ *                                     |   |   noteon      |
+ *                                     +-->|  monopoly     |
+ *                                         |   legato      |---> voices
+ *                                         |_______________|     triggering
+ *
+ * The function uses the legato detector (see above) to determine if the note must
+ * be played staccato or legato.
+ *
+ * @param synth instance.
+ * @param chan MIDI channel number (0 to MIDI channel count - 1).
+ * @param key MIDI note number (0-127).
+ * @param vel MIDI velocity (0-127).
+ * @return FLUID_OK on success, FLUID_FAILED otherwise.
+ */
+int fluid_synth_noteon_mono_LOCAL(fluid_synth_t *synth, int chan,
+                                  int key,  int vel)
+{
+    fluid_channel_t *channel = synth->channel[chan];
+
+    /* Adds the note into the monophonic list */
+    fluid_channel_add_monolist(channel, key, vel, 0);
+
+    /* in Breath Sync mode, the noteon triggering is postponed
+       until the musician starts blowing in the breath controller */
+    if(!(channel->mode &  FLUID_CHANNEL_BREATH_SYNC) ||
+            fluid_channel_breath_msb(channel))
+    {
+        /* legato/staccato playing detection */
+        if(channel->mode  & FLUID_CHANNEL_LEGATO_PLAYING)
+        {
+            /* legato playing */
+            /* legato from prev_note to key */
+            /* the voices from prev_note key number are to be used to play key number */
+            /* fromkey must be valid */
+            return 	fluid_synth_noteon_monopoly_legato(synth, chan,
+                    fluid_channel_prev_note(channel), key, vel);
+        }
+        else
+        {
+            /* staccato playing */
+            return fluid_synth_noteon_mono_staccato(synth, chan, key, vel);
+        }
+    }
+    else
+    {
+        return FLUID_OK;
+    }
+}
+
+/**
+ * Plays a noteoff event for a Synth instance in "monophonic playing" state.
+ * Please see the description above about "monophonic playing"
+ *
+ *                                           _______________
+ *                                          |   noteon      |
+ *                                      +-->|  monopoly     |
+ *                                      |   |   legato      |----> voices
+ *                                      |   |_______________|      triggering
+ *                                      |                          (with or without)
+ *                                      |                          (portamento)
+ *                                      |
+ *                                      |
+ *                                      |
+ *                                      |
+ *                                      |
+ *                                      |
+ *                 _________________    |
+ *                | legato detector |   O
+ *  noteoff_mono->|(search_monolist)|-O--    _______________
+ *  LOCAL         |(remove_monolist)|   O-->|   noteoff     |
+ *                |_________________|       |   monopoly    |----> noteoff
+ *                                          |_______________|
+ *
+ * The function uses the legato detector (see above) to determine if the noteoff must
+ * be played staccato or legato.
+ *
+ * @param synth instance.
+ * @param chan MIDI channel number (0 to MIDI channel count - 1).
+ * @param key MIDI note number (0-127).
+ * @return FLUID_OK on success, FLUID_FAILED otherwise.
+ */
+int fluid_synth_noteoff_mono_LOCAL(fluid_synth_t *synth, int chan, int key)
+{
+    int status;
+    int i, i_prev;
+    fluid_channel_t *channel = synth->channel[chan];
+    /* searching the note in the monophonic list */
+    i = fluid_channel_search_monolist(channel, key, &i_prev);
+
+    if(i >= 0)
+    {
+        /* the note is in the monophonic list */
+        /* Removes the note from the monophonic list */
+        fluid_channel_remove_monolist(channel, i, &i_prev);
+
+        /* in Breath Sync mode, the noteoff triggering is done
+           if the musician is blowing in the breath controller */
+        if(!(channel->mode &  FLUID_CHANNEL_BREATH_SYNC) ||
+                fluid_channel_breath_msb(channel))
+        {
+            /* legato playing detection */
+            if(channel->mode  & FLUID_CHANNEL_LEGATO_PLAYING)
+            {
+                /* the list contains others notes */
+                if(i_prev >= 0)
+                {
+                    /* legato playing detection on noteoff */
+                    /* legato from key to i_prev key */
+                    /* the voices from key number are to be used to
+                    play i_prev key number. */
+                    status = fluid_synth_noteon_monopoly_legato(synth, chan,
+                             key, channel->monolist[i_prev].note,
+                             channel->monolist[i_prev].vel);
+                }
+                /* else the note doesn't need to be played off */
+                else
+                {
+                    status = FLUID_OK;
+                }
+            }
+            else
+            {
+                /* the monophonic list is empty */
+                /* plays the monophonic note noteoff and eventually held
+                by sustain/sostenuto */
+                status = fluid_synth_noteoff_monopoly(synth, chan, key, 1);
+            }
+        }
+        else
+        {
+            status = FLUID_OK;
+        }
+    }
+    else
+    {
+        /* the note is not found in the list so the note was
+        played On when the channel was in polyphonic playing */
+        /* plays the noteoff as for polyphonic  */
+        status = fluid_synth_noteoff_monopoly(synth, chan, key, 0);
+    }
+
+    return status;
+}
+
+/*----------------------------------------------------------------------------
+ staccato playing
+-----------------------------------------------------------------------------*/
+/**
+ * Plays noteon for a monophonic note in staccato manner.
+ * Please see the description above about "monophonic playing".
+ *                                         _______________
+ *                                        |    noteon     |
+ *  noteon_mono >------------------------>| mono_staccato |----> preset_noteon
+ *                                        |_______________|      (with or without)
+ *  LOCAL                                       /|\              (portamento)
+ *                                               | fromkey
+ *                                               | portamento
+ *                                               |
+ *                                               |
+ *                                         ______|________
+ *                portamento modes >----->|               |
+ *                                        |  get_fromkey  |
+ *  Porta.on/off >----------------------->|_______________|
+ *  Portamento
+ *  (PTC)
+ *
+ * We are in staccato situation (where no previous note have been depressed).
+ * Before the note been passed to fluid_preset_noteon(), the function must determine
+ * the from_key_portamento parameter used by fluid_preset_noteon().
+ *
+ * from_key_portamento is returned by fluid_synth_get_fromkey_portamento_legato() function.
+ * fromkey_portamento is set to valid/invalid  key value depending of the portamento
+ * modes (see portamento mode API) , CC portamento On/Off , and CC portamento control
+ * (PTC).
+ *
+ * @param synth instance.
+ * @param chan MIDI channel number (0 to MIDI channel count - 1).
+ * @param key MIDI note number (0-127).
+ * @param vel MIDI velocity (0-127).
+ * @return FLUID_OK on success, FLUID_FAILED otherwise.
+ */
+int
+fluid_synth_noteon_mono_staccato(fluid_synth_t *synth, int chan, int key, int vel)
+{
+    fluid_channel_t *channel = synth->channel[chan];
+
+    /* Before playing a new note, if a previous monophonic note is currently
+       sustained it needs to be released */
+    fluid_synth_release_voice_on_same_note_LOCAL(synth, chan, channel->key_mono_sustained);
+    /* Get possible 'fromkey portamento'   */
+    fluid_synth_get_fromkey_portamento_legato(channel, INVALID_NOTE);
+    /* The note needs to be played by voices allocation  */
+    return fluid_preset_noteon(channel->preset, synth, chan, key, vel);
+}
+
+/**
+ * Plays noteoff for a polyphonic or monophonic note
+ * Please see the description above about "monophonic playing".
+ *
+ *
+ *  noteOff poly >---------------------------------+
+ *                                                 |
+ *                                                 |
+ *                                                 |
+ *  noteoff_mono                             _____\|/_______
+ *  LOCAL        >------------------------->|   noteoff     |
+ *                                          |   monopoly    |----> noteoff
+ *  Sust.on/off  >------------------------->|_______________|
+ *  Sost.on/off
+ *
+ * The function has the same behaviour when the noteoff is poly of mono, except
+ * that for mono noteoff, if any pedal (sustain or sostenuto ) is depressed, the
+ * key is memorized. This is necessary when the next mono note will be played
+ * staccato, as any current mono note currently sustained will need to be released
+ * (see fluid_synth_noteon_mono_staccato()).
+ * Note also that for a monophonic legato passage, the function is called only when
+ * the last noteoff of the passage occurs. That means that if sustain or sostenuto
+ * is depressed, only the last note of a legato passage will be sustained.
+ *
+ * @param synth instance.
+ * @param chan MIDI channel number (0 to MIDI channel count - 1).
+ * @param key MIDI note number (0-127).
+ * @param Mono, 1 noteoff on monophonic note.
+ *              0 noteoff on polyphonic note.
+ * @return FLUID_OK on success, FLUID_FAILED otherwise.
+ *
+ * Note: On return, on monophonic, possible sustained note is memorized in
+ * key_mono_sustained. Memorization is done here on noteOff.
+ */
+int fluid_synth_noteoff_monopoly(fluid_synth_t *synth, int chan, int key,
+                                 char Mono)
+{
+    int status = FLUID_FAILED;
+    fluid_voice_t *voice;
+    int i;
+    fluid_channel_t *channel = synth->channel[chan];
+
+    /* Key_sustained is prepared to return no note sustained (INVALID_NOTE) */
+    if(Mono)
+    {
+        channel->key_mono_sustained = INVALID_NOTE; /* no mono note sustained */
+    }
+
+    /* noteoff for all voices with same chan and same key */
+    for(i = 0; i < synth->polyphony; i++)
+    {
+        voice = synth->voice[i];
+
+        if(fluid_voice_is_on(voice) &&
+                fluid_voice_get_channel(voice) == chan &&
+                fluid_voice_get_key(voice) == key)
+        {
+            if(synth->verbose)
+            {
+                int used_voices = 0;
+                int k;
+
+                for(k = 0; k < synth->polyphony; k++)
+                {
+                    if(!_AVAILABLE(synth->voice[k]))
+                    {
+                        used_voices++;
+                    }
+                }
+
+                FLUID_LOG(FLUID_INFO, "noteoff\t%d\t%d\t%d\t%05d\t%.3f\t%d",
+                          fluid_voice_get_channel(voice), fluid_voice_get_key(voice), 0,
+                          fluid_voice_get_id(voice),
+                          (fluid_curtime() - synth->start) / 1000.0f,
+                          used_voices);
+            } /* if verbose */
+
+            fluid_voice_noteoff(voice);
+
+            /* noteoff on monophonic note */
+            /* Key memorization if the note is sustained  */
+            if(Mono &&
+                    (fluid_voice_is_sustained(voice) || fluid_voice_is_sostenuto(voice)))
+            {
+                channel->key_mono_sustained = key;
+            }
+
+            status = FLUID_OK;
+        } /* if voice on */
+    } /* for all voices */
+
+    return status;
+}
+
+/*----------------------------------------------------------------------------
+ legato playing
+-----------------------------------------------------------------------------*/
+/**
+ * Plays noteon for a monophonic note played legato.
+ * Please see the description above about "monophonic playing".
+ *
+ *
+ *                                         _______________
+ *                portamento modes >----->|               |
+ *                                        | get_fromkey   |
+ *  Porta.on/off >----------------------->|_______________|
+ *  Portamento                                   |
+ *  (PTC)                                        |           +-->preset_noteon
+ *                                       fromkey | fromkey   |  (with or without)
+ *                                       legato  | portamento|  (portamento)
+ *                                         _____\|/_______   |
+ *                                        |   noteon      |--+
+ *  noteon_mono >------------------------>|  monopoly     |
+ *  LOCAL                                 |   legato      |----->voices
+ *                                        |_______________|      triggering
+ *                                              /|\              (with or without)
+ *                                               |               (portamento)
+ *                legato modes >-----------------+
+ *
+ * We are in legato situation (where a previous note has been depressed).
+ * The function must determine the from_key_portamento and from_key_legato parameters
+ * used respectively by fluid_preset_noteon() function and voices triggering functions.
+ *
+ * from_key_portamento and from_key_legato are returned by
+ * fluid_synth_get_fromkey_portamento_legato() function.
+ * fromkey_portamento is set to valid/invalid  key value depending of the portamento
+ * modes (see portamento mode API), CC portamento On/Off, and CC portamento control
+ * (PTC).
+ * Then, depending of the legato modes (see legato mode API), the function will call
+ * the appropriate triggering functions.
+ * @param synth instance.
+ * @param chan MIDI channel number (0 to MIDI channel count - 1).
+ * @param fromkey MIDI note number (0-127).
+ * @param tokey MIDI note number (0-127).
+ * @param vel MIDI velocity (0-127).
+ * @return FLUID_OK on success, FLUID_FAILED otherwise.
+ *
+ * Note: The voices with key 'fromkey' are to be used to play key 'tokey'.
+ * The function is able to play legato through Preset Zone(s) (PZ) and
+ * Instrument Zone(s) (IZ) as far as possible.
+ * When key tokey is outside the current Instrument Zone, Preset Zone,
+ * current 'fromkey' voices are released. If necessary new voices
+ * are restarted when tokey enters inside new Instrument(s) Zones,Preset Zone(s).
+ * More information in FluidPolyMono-0004.pdf chapter 4.7 (Appendices).
+ */
+int fluid_synth_noteon_monopoly_legato(fluid_synth_t *synth, int chan,
+                                       int fromkey, int tokey, int vel)
+{
+    fluid_channel_t *channel = synth->channel[chan];
+    enum fluid_channel_legato_mode legatomode = channel->legatomode;
+    fluid_voice_t *voice;
+    int i ;
+    /* Gets possible 'fromkey portamento' and possible 'fromkey legato' note  */
+    fromkey = fluid_synth_get_fromkey_portamento_legato(channel, fromkey);
+
+    if(fluid_channel_is_valid_note(fromkey))
+    {
+        for(i = 0; i < synth->polyphony; i++)
+        {
+            /* searching fromkey voices: only those who don't have 'note off' */
+            voice = synth->voice[i];
+
+            if(fluid_voice_is_on(voice) &&
+                    fluid_voice_get_channel(voice) == chan &&
+                    fluid_voice_get_key(voice) == fromkey)
+            {
+                fluid_zone_range_t *zone_range = voice->zone_range;
+
+                /* Ignores voice when there is no instrument zone (i.e no zone_range). Otherwise
+                   checks if tokey is inside the range of the running voice */
+                if(zone_range && fluid_zone_inside_range(zone_range, tokey, vel))
+                {
+                    switch(legatomode)
+                    {
+                    case FLUID_CHANNEL_LEGATO_MODE_RETRIGGER: /* mode 0 */
+                        fluid_voice_release(voice); /* normal release */
+                        break;
+
+                    case FLUID_CHANNEL_LEGATO_MODE_MULTI_RETRIGGER: /* mode 1 */
+                        /* Skip in attack section */
+                        fluid_voice_update_multi_retrigger_attack(voice, tokey, vel);
+
+                        /* Starts portamento if enabled */
+                        if(fluid_channel_is_valid_note(synth->fromkey_portamento))
+                        {
+                            /* Sends portamento parameters to the voice dsp */
+                            fluid_voice_update_portamento(voice,
+                                                          synth->fromkey_portamento,
+                                                          tokey);
+                        }
+
+                        /* The voice is now used to play tokey in legato manner */
+                        /* Marks this Instrument Zone to be ignored during next
+                        fluid_preset_noteon() */
+                        zone_range->ignore = TRUE;
+                        break;
+
+                    default: /* Invalid mode: this should never happen */
+                        FLUID_LOG(FLUID_WARN, "Failed to execute legato mode: %d",
+                                  legatomode);
+                        return FLUID_FAILED;
+                    }
+                }
+                else
+                {
+                    /* tokey note is outside the voice range, so the voice is released */
+                    fluid_voice_release(voice);
+                }
+            }
+        }
+    }
+
+    /* May be,tokey will enter in new others Insrument Zone(s),Preset Zone(s), in
+       this case it needs to be played by voices allocation  */
+    return fluid_preset_noteon(channel->preset, synth, chan, tokey, vel);
+}
diff --git a/libs/fluidsynth/src/synth/fluid_tuning.c b/libs/fluidsynth/src/synth/fluid_tuning.c
new file mode 100644
index 00000000000..0df248b7bfb
--- /dev/null
+++ b/libs/fluidsynth/src/synth/fluid_tuning.c
@@ -0,0 +1,190 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+
+#include "fluid_tuning.h"
+#include "fluid_sys.h"
+
+
+fluid_tuning_t *new_fluid_tuning(const char *name, int bank, int prog)
+{
+    fluid_tuning_t *tuning;
+    int i;
+
+    tuning = FLUID_NEW(fluid_tuning_t);
+
+    if(tuning == NULL)
+    {
+        FLUID_LOG(FLUID_PANIC, "Out of memory");
+        return NULL;
+    }
+
+    FLUID_MEMSET(tuning, 0, sizeof(fluid_tuning_t));
+
+    if(fluid_tuning_set_name(tuning, name) != FLUID_OK)
+    {
+        delete_fluid_tuning(tuning);
+        return NULL;
+    }
+
+    tuning->bank = bank;
+    tuning->prog = prog;
+
+    for(i = 0; i < 128; i++)
+    {
+        tuning->pitch[i] = i * 100.0;
+    }
+
+    fluid_atomic_int_set(&tuning->refcount, 1);         /* Start with a refcount of 1 */
+
+    return tuning;
+}
+
+/* Duplicate a tuning */
+fluid_tuning_t *
+fluid_tuning_duplicate(fluid_tuning_t *tuning)
+{
+    fluid_tuning_t *new_tuning;
+    int i;
+
+    new_tuning = FLUID_NEW(fluid_tuning_t);
+
+    if(!new_tuning)
+    {
+        FLUID_LOG(FLUID_PANIC, "Out of memory");
+        return NULL;
+    }
+
+    FLUID_MEMSET(new_tuning, 0, sizeof(fluid_tuning_t));
+
+    if(fluid_tuning_set_name(new_tuning, tuning->name) != FLUID_OK)
+    {
+        delete_fluid_tuning(new_tuning);
+        return NULL;
+    }
+
+    new_tuning->bank = tuning->bank;
+    new_tuning->prog = tuning->prog;
+
+    for(i = 0; i < 128; i++)
+    {
+        new_tuning->pitch[i] = tuning->pitch[i];
+    }
+
+    fluid_atomic_int_set(&new_tuning->refcount, 1);     /* Start with a refcount of 1 */
+
+    return new_tuning;
+}
+
+void
+delete_fluid_tuning(fluid_tuning_t *tuning)
+{
+    fluid_return_if_fail(tuning != NULL);
+
+    FLUID_FREE(tuning->name);
+    FLUID_FREE(tuning);
+}
+
+/* Add a reference to a tuning object */
+void
+fluid_tuning_ref(fluid_tuning_t *tuning)
+{
+    fluid_return_if_fail(tuning != NULL);
+
+    fluid_atomic_int_inc(&tuning->refcount);
+}
+
+/* Unref a tuning object, when it reaches 0 it is deleted, returns TRUE if deleted */
+int
+fluid_tuning_unref(fluid_tuning_t *tuning, int count)
+{
+    fluid_return_val_if_fail(tuning != NULL, FALSE);
+
+    /* Add and compare are separate, but that is OK, since refcount will only
+     * reach 0 when there are no references and therefore no possibility of
+     * another thread adding a reference in between */
+    fluid_atomic_int_add(&tuning->refcount, -count);
+
+    /* Delete when refcount reaches 0 */
+    if(!fluid_atomic_int_get(&tuning->refcount))
+    {
+        delete_fluid_tuning(tuning);
+        return TRUE;
+    }
+    else
+    {
+        return FALSE;
+    }
+}
+
+int fluid_tuning_set_name(fluid_tuning_t *tuning, const char *name)
+{
+    if(tuning->name != NULL)
+    {
+        FLUID_FREE(tuning->name);
+        tuning->name = NULL;
+    }
+
+    if(name != NULL)
+    {
+        tuning->name = FLUID_STRDUP(name);
+
+        if(tuning->name == NULL)
+        {
+            FLUID_LOG(FLUID_ERR, "Out of memory");
+            return FLUID_FAILED;
+        }
+    }
+
+    return FLUID_OK;
+}
+
+char *fluid_tuning_get_name(fluid_tuning_t *tuning)
+{
+    return tuning->name;
+}
+
+void fluid_tuning_set_octave(fluid_tuning_t *tuning, const double *pitch_deriv)
+{
+    int i;
+
+    for(i = 0; i < 128; i++)
+    {
+        tuning->pitch[i] = i * 100.0 + pitch_deriv[i % 12];
+    }
+}
+
+void fluid_tuning_set_all(fluid_tuning_t *tuning, const double *pitch)
+{
+    int i;
+
+    for(i = 0; i < 128; i++)
+    {
+        tuning->pitch[i] = pitch[i];
+    }
+}
+
+void fluid_tuning_set_pitch(fluid_tuning_t *tuning, int key, double pitch)
+{
+    if((key >= 0) && (key < 128))
+    {
+        tuning->pitch[key] = pitch;
+    }
+}
diff --git a/libs/fluidsynth/src/synth/fluid_tuning.h b/libs/fluidsynth/src/synth/fluid_tuning.h
new file mode 100644
index 00000000000..542d2ced68f
--- /dev/null
+++ b/libs/fluidsynth/src/synth/fluid_tuning.h
@@ -0,0 +1,69 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+
+/*
+
+  More information about micro tuning can be found at:
+
+  https://www.midi.org/about-midi/tuning.htm
+  https://www.midi.org/about-midi/tuning-scale.htm
+  https://www.midi.org/about-midi/tuning_extens.htm
+
+*/
+
+#ifndef _FLUID_TUNING_H
+#define _FLUID_TUNING_H
+
+#include "fluidsynth_priv.h"
+
+struct _fluid_tuning_t
+{
+    char *name;
+    int bank;
+    int prog;
+    double pitch[128];  /* the pitch of every key, in cents */
+    fluid_atomic_int_t refcount;         /* Tuning reference count */
+};
+
+fluid_tuning_t *new_fluid_tuning(const char *name, int bank, int prog);
+void delete_fluid_tuning(fluid_tuning_t *tuning);
+fluid_tuning_t *fluid_tuning_duplicate(fluid_tuning_t *tuning);
+void fluid_tuning_ref(fluid_tuning_t *tuning);
+int fluid_tuning_unref(fluid_tuning_t *tuning, int count);
+
+int fluid_tuning_set_name(fluid_tuning_t *tuning, const char *name);
+char *fluid_tuning_get_name(fluid_tuning_t *tuning);
+
+#define fluid_tuning_get_bank(_t) ((_t)->bank)
+#define fluid_tuning_get_prog(_t) ((_t)->prog)
+
+void fluid_tuning_set_pitch(fluid_tuning_t *tuning, int key, double pitch);
+#define fluid_tuning_get_pitch(_t, _key) ((_t)->pitch[_key])
+
+void fluid_tuning_set_octave(fluid_tuning_t *tuning, const double *pitch_deriv);
+
+void fluid_tuning_set_all(fluid_tuning_t *tuning, const double *pitch);
+#define fluid_tuning_get_all(_t) (&(_t)->pitch[0])
+
+
+
+
+#endif /* _FLUID_TUNING_H */
diff --git a/libs/fluidsynth/src/synth/fluid_voice.c b/libs/fluidsynth/src/synth/fluid_voice.c
new file mode 100644
index 00000000000..f605832e049
--- /dev/null
+++ b/libs/fluidsynth/src/synth/fluid_voice.c
@@ -0,0 +1,2052 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#include "fluid_sys.h"
+#include "fluid_voice.h"
+#include "fluid_mod.h"
+#include "fluid_chan.h"
+#include "fluid_conv.h"
+#include "fluid_synth.h"
+#include "fluid_sys.h"
+#include "fluid_sfont.h"
+#include "fluid_rvoice_event.h"
+#include "fluid_defsfont.h"
+
+/* used for filter turn off optimization - if filter cutoff is above the
+   specified value and filter q is below the other value, turn filter off */
+#define FLUID_MAX_AUDIBLE_FILTER_FC 19000.0f
+#define FLUID_MIN_AUDIBLE_FILTER_Q 1.2f
+
+/* min vol envelope release (to stop clicks) in SoundFont timecents */
+#define FLUID_MIN_VOLENVRELEASE -7200.0f /* ~16ms */
+
+
+static const int32_t INT24_MAX = (1 << (16 + 8 - 1));
+
+static int fluid_voice_calculate_runtime_synthesis_parameters(fluid_voice_t *voice);
+static int calculate_hold_decay_buffers(fluid_voice_t *voice, int gen_base,
+                                        int gen_key2base, int is_decay);
+static fluid_real_t
+fluid_voice_get_lower_boundary_for_attenuation(fluid_voice_t *voice);
+
+#define UPDATE_RVOICE0(proc) \
+  do { \
+      fluid_rvoice_param_t param[MAX_EVENT_PARAMS]; \
+      fluid_rvoice_eventhandler_push(voice->eventhandler, proc, voice->rvoice, param); \
+  } while (0)
+
+#define UPDATE_RVOICE_GENERIC_R1(proc, obj, rarg) \
+  do { \
+      fluid_rvoice_param_t param[MAX_EVENT_PARAMS]; \
+      param[0].real = rarg; \
+      fluid_rvoice_eventhandler_push(voice->eventhandler, proc, obj, param); \
+  } while (0)
+
+#define UPDATE_RVOICE_GENERIC_I1(proc, obj, iarg) \
+  do { \
+      fluid_rvoice_param_t param[MAX_EVENT_PARAMS]; \
+      param[0].i = iarg; \
+      fluid_rvoice_eventhandler_push(voice->eventhandler, proc, obj, param); \
+  } while (0)
+
+#define UPDATE_RVOICE_GENERIC_I2(proc, obj, iarg1, iarg2) \
+  do { \
+      fluid_rvoice_param_t param[MAX_EVENT_PARAMS]; \
+      param[0].i = iarg1; \
+      param[1].i = iarg2; \
+      fluid_rvoice_eventhandler_push(voice->eventhandler, proc, obj, param); \
+  } while (0)
+
+#define UPDATE_RVOICE_GENERIC_IR(proc, obj, iarg, rarg) \
+  do { \
+      fluid_rvoice_param_t param[MAX_EVENT_PARAMS]; \
+      param[0].i = iarg; \
+      param[1].real = rarg; \
+      fluid_rvoice_eventhandler_push(voice->eventhandler, proc, obj, param); \
+  } while (0)
+
+
+#define UPDATE_RVOICE_R1(proc, arg1) UPDATE_RVOICE_GENERIC_R1(proc, voice->rvoice, arg1)
+#define UPDATE_RVOICE_I1(proc, arg1) UPDATE_RVOICE_GENERIC_I1(proc, voice->rvoice, arg1)
+
+#define UPDATE_RVOICE_BUFFERS_AMP(proc, iarg, rarg) UPDATE_RVOICE_GENERIC_IR(proc, &voice->rvoice->buffers, iarg, rarg)
+#define UPDATE_RVOICE_ENVLFO_R1(proc, envp, rarg) UPDATE_RVOICE_GENERIC_R1(proc, &voice->rvoice->envlfo.envp, rarg)
+#define UPDATE_RVOICE_ENVLFO_I1(proc, envp, iarg) UPDATE_RVOICE_GENERIC_I1(proc, &voice->rvoice->envlfo.envp, iarg)
+
+static FLUID_INLINE void
+fluid_voice_update_volenv(fluid_voice_t *voice,
+                          int enqueue,
+                          fluid_adsr_env_section_t section,
+                          unsigned int count,
+                          fluid_real_t coeff,
+                          fluid_real_t increment,
+                          fluid_real_t min,
+                          fluid_real_t max)
+{
+    fluid_rvoice_param_t param[MAX_EVENT_PARAMS];
+
+    param[0].i = section;
+    param[1].i = count;
+    param[2].real = coeff;
+    param[3].real = increment;
+    param[4].real = min;
+    param[5].real = max;
+
+    if(enqueue)
+    {
+        fluid_rvoice_eventhandler_push(voice->eventhandler,
+                                       fluid_adsr_env_set_data,
+                                       &voice->rvoice->envlfo.volenv,
+                                       param);
+    }
+    else
+    {
+        fluid_adsr_env_set_data(&voice->rvoice->envlfo.volenv, param);
+    }
+}
+
+static FLUID_INLINE void
+fluid_voice_update_modenv(fluid_voice_t *voice,
+                          int enqueue,
+                          fluid_adsr_env_section_t section,
+                          unsigned int count,
+                          fluid_real_t coeff,
+                          fluid_real_t increment,
+                          fluid_real_t min,
+                          fluid_real_t max)
+{
+    fluid_rvoice_param_t param[MAX_EVENT_PARAMS];
+
+    param[0].i = section;
+    param[1].i = count;
+    param[2].real = coeff;
+    param[3].real = increment;
+    param[4].real = min;
+    param[5].real = max;
+
+    if(enqueue)
+    {
+        fluid_rvoice_eventhandler_push(voice->eventhandler,
+                                       fluid_adsr_env_set_data,
+                                       &voice->rvoice->envlfo.modenv,
+                                       param);
+    }
+    else
+    {
+        fluid_adsr_env_set_data(&voice->rvoice->envlfo.modenv, param);
+    }
+}
+
+static FLUID_INLINE void fluid_voice_sample_unref(fluid_sample_t **sample)
+{
+    if(*sample != NULL)
+    {
+        fluid_sample_decr_ref(*sample);
+        *sample = NULL;
+    }
+}
+
+/*
+ * Swaps the current rvoice with the current overflow_rvoice
+ */
+static void fluid_voice_swap_rvoice(fluid_voice_t *voice)
+{
+    fluid_rvoice_t *rtemp = voice->rvoice;
+    int ctemp = voice->can_access_rvoice;
+    voice->rvoice = voice->overflow_rvoice;
+    voice->can_access_rvoice = voice->can_access_overflow_rvoice;
+    voice->overflow_rvoice = rtemp;
+    voice->can_access_overflow_rvoice = ctemp;
+    voice->overflow_sample = voice->sample;
+}
+
+static void fluid_voice_initialize_rvoice(fluid_voice_t *voice, fluid_real_t output_rate)
+{
+    fluid_rvoice_param_t param[MAX_EVENT_PARAMS];
+
+    FLUID_MEMSET(voice->rvoice, 0, sizeof(fluid_rvoice_t));
+
+    /* The 'sustain' and 'finished' segments of the volume / modulation
+     * envelope are constant. They are never affected by any modulator
+     * or generator. Therefore it is enough to initialize them once
+     * during the lifetime of the synth.
+     */
+    fluid_voice_update_volenv(voice, FALSE, FLUID_VOICE_ENVSUSTAIN,
+                              0xffffffff, 1.0f, 0.0f, -1.0f, 2.0f);
+    fluid_voice_update_volenv(voice, FALSE, FLUID_VOICE_ENVFINISHED,
+                              0xffffffff, 0.0f, 0.0f, -1.0f, 1.0f);
+    fluid_voice_update_modenv(voice, FALSE, FLUID_VOICE_ENVSUSTAIN,
+                              0xffffffff, 1.0f, 0.0f, -1.0f, 2.0f);
+    fluid_voice_update_modenv(voice, FALSE, FLUID_VOICE_ENVFINISHED,
+                              0xffffffff, 0.0f, 0.0f, -1.0f, 1.0f);
+
+    param[0].i = FLUID_IIR_LOWPASS;
+    param[1].i = 0;
+    fluid_iir_filter_init(&voice->rvoice->resonant_filter, param);
+
+    param[0].i = FLUID_IIR_DISABLED;
+    fluid_iir_filter_init(&voice->rvoice->resonant_custom_filter, param);
+
+    param[0].real = output_rate;
+    fluid_rvoice_set_output_rate(voice->rvoice, param);
+}
+
+/*
+ * new_fluid_voice
+ */
+fluid_voice_t *
+new_fluid_voice(fluid_rvoice_eventhandler_t *handler, fluid_real_t output_rate)
+{
+    fluid_voice_t *voice;
+    voice = FLUID_NEW(fluid_voice_t);
+
+    if(voice == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return NULL;
+    }
+
+    voice->can_access_rvoice = TRUE;
+    voice->can_access_overflow_rvoice = TRUE;
+
+    voice->rvoice = FLUID_NEW(fluid_rvoice_t);
+    voice->overflow_rvoice = FLUID_NEW(fluid_rvoice_t);
+
+    if(voice->rvoice == NULL || voice->overflow_rvoice == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        delete_fluid_voice(voice);
+        return NULL;
+    }
+
+    voice->status = FLUID_VOICE_CLEAN;
+    voice->chan = NO_CHANNEL;
+    voice->key = 0;
+    voice->vel = 0;
+    voice->eventhandler = handler;
+    voice->channel = NULL;
+    voice->sample = NULL;
+    voice->overflow_sample = NULL;
+    voice->output_rate = output_rate;
+
+    /* Initialize both the rvoice and overflow_rvoice */
+    fluid_voice_initialize_rvoice(voice, output_rate);
+    fluid_voice_swap_rvoice(voice);
+    fluid_voice_initialize_rvoice(voice, output_rate);
+
+    return voice;
+}
+
+/*
+ * delete_fluid_voice
+ */
+void
+delete_fluid_voice(fluid_voice_t *voice)
+{
+    fluid_return_if_fail(voice != NULL);
+
+    if(!voice->can_access_rvoice || !voice->can_access_overflow_rvoice)
+    {
+        FLUID_LOG(FLUID_WARN, "Deleting voice %u which has locked rvoices!", voice->id);
+    }
+
+    FLUID_FREE(voice->overflow_rvoice);
+    FLUID_FREE(voice->rvoice);
+    FLUID_FREE(voice);
+}
+
+/* fluid_voice_init
+ *
+ * Initialize the synthesis process
+ * inst_zone, the Instrument Zone contains the sample, Keyrange,Velrange
+ * of the voice.
+ * When playing legato (n1,n2) in mono mode, n2 will use n1 voices
+ * as far as n2 still enters in Keyrange,Velrange of n1.
+ */
+int
+fluid_voice_init(fluid_voice_t *voice, fluid_sample_t *sample,
+                 fluid_zone_range_t *inst_zone_range,
+                 fluid_channel_t *channel, int key, int vel, unsigned int id,
+                 unsigned int start_time, fluid_real_t gain)
+{
+    /* Note: The voice parameters will be initialized later, when the
+     * generators have been retrieved from the sound font. Here, only
+     * the 'working memory' of the voice (position in envelopes, history
+     * of IIR filters, position in sample etc) is initialized. */
+    int i;
+
+    if(!voice->can_access_rvoice)
+    {
+        if(voice->can_access_overflow_rvoice)
+        {
+            fluid_voice_swap_rvoice(voice);
+        }
+        else
+        {
+            FLUID_LOG(FLUID_ERR, "Internal error: Cannot access an rvoice in fluid_voice_init!");
+            return FLUID_FAILED;
+        }
+    }
+
+    /* We are now guaranteed to have access to the rvoice */
+
+    if(voice->sample)
+    {
+        fluid_voice_off(voice);
+    }
+
+    voice->zone_range = inst_zone_range; /* Instrument zone range for legato */
+    voice->id = id;
+    voice->chan = fluid_channel_get_num(channel);
+    voice->key = (unsigned char) key;
+    voice->vel = (unsigned char) vel;
+    voice->channel = channel;
+    voice->mod_count = 0;
+    voice->start_time = start_time;
+    voice->has_noteoff = 0;
+    UPDATE_RVOICE0(fluid_rvoice_reset);
+
+    /*
+       We increment the reference count of the sample to indicate that this
+       sample is about to be owned by the rvoice. This will prevent the
+       unloading of the soundfont while this rvoice is playing.
+    */
+    fluid_sample_incr_ref(sample);
+    fluid_rvoice_eventhandler_push_ptr(voice->eventhandler, fluid_rvoice_set_sample, voice->rvoice, sample);
+    voice->sample = sample;
+
+    i = fluid_channel_get_interp_method(channel);
+    UPDATE_RVOICE_I1(fluid_rvoice_set_interp_method, i);
+
+    /* Set all the generators to their default value, according to SF
+     * 2.01 section 8.1.3 (page 48). The value of NRPN messages are
+     * copied from the channel to the voice's generators. The sound font
+     * loader overwrites them. The generator values are later converted
+     * into voice parameters in
+     * fluid_voice_calculate_runtime_synthesis_parameters.  */
+    fluid_gen_init(&voice->gen[0], channel);
+    UPDATE_RVOICE_I1(fluid_rvoice_set_samplemode, _SAMPLEMODE(voice));
+
+    voice->synth_gain = gain;
+
+    /* avoid division by zero later*/
+    if(voice->synth_gain < 0.0000001f)
+    {
+        voice->synth_gain = 0.0000001f;
+    }
+
+    UPDATE_RVOICE_R1(fluid_rvoice_set_synth_gain, voice->synth_gain);
+
+    /* Set up buffer mapping, should be done more flexible in the future. */
+    i = 2 * channel->synth->audio_groups;
+    i += (voice->chan % channel->synth->effects_groups) * channel->synth->effects_channels;
+    UPDATE_RVOICE_GENERIC_I2(fluid_rvoice_buffers_set_mapping, &voice->rvoice->buffers, 2, i + SYNTH_REVERB_CHANNEL);
+    UPDATE_RVOICE_GENERIC_I2(fluid_rvoice_buffers_set_mapping, &voice->rvoice->buffers, 3, i + SYNTH_CHORUS_CHANNEL);
+
+    i = 2 * (voice->chan % channel->synth->audio_groups);
+    UPDATE_RVOICE_GENERIC_I2(fluid_rvoice_buffers_set_mapping, &voice->rvoice->buffers, 0, i);
+    UPDATE_RVOICE_GENERIC_I2(fluid_rvoice_buffers_set_mapping, &voice->rvoice->buffers, 1, i + 1);
+
+    return FLUID_OK;
+}
+
+
+/**
+ * Update sample rate.
+ *
+ * @note If the voice is active, it will be turned off.
+ */
+void
+fluid_voice_set_output_rate(fluid_voice_t *voice, fluid_real_t value)
+{
+    if(fluid_voice_is_playing(voice))
+    {
+        fluid_voice_off(voice);
+    }
+
+    voice->output_rate = value;
+    UPDATE_RVOICE_GENERIC_R1(fluid_rvoice_set_output_rate, voice->rvoice, value);
+    UPDATE_RVOICE_GENERIC_R1(fluid_rvoice_set_output_rate, voice->overflow_rvoice, value);
+}
+
+
+/**
+ * Set the value of a generator.
+ *
+ * @param voice Voice instance
+ * @param i Generator ID (#fluid_gen_type)
+ * @param val Generator value
+ */
+void
+fluid_voice_gen_set(fluid_voice_t *voice, int i, float val)
+{
+    voice->gen[i].val = val;
+    voice->gen[i].flags = GEN_SET;
+
+    if(i == GEN_SAMPLEMODE)
+    {
+        UPDATE_RVOICE_I1(fluid_rvoice_set_samplemode, (int) val);
+    }
+}
+
+/**
+ * Offset the value of a generator.
+ *
+ * @param voice Voice instance
+ * @param i Generator ID (#fluid_gen_type)
+ * @param val Value to add to the existing value
+ */
+void
+fluid_voice_gen_incr(fluid_voice_t *voice, int i, float val)
+{
+    voice->gen[i].val += val;
+    voice->gen[i].flags = GEN_SET;
+}
+
+/**
+ * Get the value of a generator.
+ *
+ * @param voice Voice instance
+ * @param gen Generator ID (#fluid_gen_type)
+ * @return Current generator value
+ */
+float
+fluid_voice_gen_get(fluid_voice_t *voice, int gen)
+{
+    return voice->gen[gen].val;
+}
+
+fluid_real_t fluid_voice_gen_value(const fluid_voice_t *voice, int num)
+{
+    return (fluid_real_t)(voice->gen[num].val + voice->gen[num].mod + voice->gen[num].nrpn);
+}
+
+/*
+ * fluid_voice_start
+ */
+void fluid_voice_start(fluid_voice_t *voice)
+{
+    /* The maximum volume of the loop is calculated and cached once for each
+     * sample with its nominal loop settings. This happens, when the sample is used
+     * for the first time.*/
+
+    fluid_voice_calculate_runtime_synthesis_parameters(voice);
+
+#ifdef WITH_PROFILING
+    voice->ref = fluid_profile_ref();
+#endif
+
+    voice->status = FLUID_VOICE_ON;
+
+    /* Increment voice count */
+    voice->channel->synth->active_voice_count++;
+}
+
+/**
+ * Calculate the amplitude of a voice.
+ *
+ * @param gain The gain value in the range [0.0 ; 1.0]
+ * @return An amplitude used by rvoice_mixer's buffers
+ */
+static FLUID_INLINE fluid_real_t
+fluid_voice_calculate_gain_amplitude(const fluid_voice_t *voice, fluid_real_t gain)
+{
+    /* we use 24bit samples in fluid_rvoice_dsp. in order to normalize float
+     * samples to [0.0;1.0] divide samples by the max. value of an int24 and
+     * amplify them with the gain */
+    return gain * voice->synth_gain / (INT24_MAX * 1.0f);
+}
+
+/* Useful to return the nominal pitch of a key */
+/* The nominal pitch is dependent of voice->root_pitch,tuning, and
+   GEN_SCALETUNE generator.
+   This is useful to set the value of GEN_PITCH generator on noteOn.
+   This is useful to get the beginning/ending pitch for portamento.
+*/
+fluid_real_t fluid_voice_calculate_pitch(fluid_voice_t *voice, int key)
+{
+    fluid_tuning_t *tuning;
+    fluid_real_t x, pitch;
+
+    /* Now the nominal pitch of the key is returned.
+     * Note about SCALETUNE: SF2.01 8.1.3 says, that this generator is a
+     * non-realtime parameter. So we don't allow modulation (as opposed
+     * to fluid_voice_gen_value(voice, GEN_SCALETUNE) When the scale tuning is varied,
+     * one key remains fixed. Here C3 (MIDI number 60) is used.
+     */
+    if(fluid_channel_has_tuning(voice->channel))
+    {
+        tuning = fluid_channel_get_tuning(voice->channel);
+        x = fluid_tuning_get_pitch(tuning, (int)(voice->root_pitch / 100.0f));
+        pitch = voice->gen[GEN_SCALETUNE].val / 100.0f *
+                (fluid_tuning_get_pitch(tuning, key) - x) + x;
+    }
+    else
+    {
+        pitch = voice->gen[GEN_SCALETUNE].val
+                * (key - voice->root_pitch / 100.0f) + voice->root_pitch;
+    }
+
+    return pitch;
+}
+
+void
+fluid_voice_calculate_gen_pitch(fluid_voice_t *voice)
+{
+    voice->gen[GEN_PITCH].val = fluid_voice_calculate_pitch(voice, fluid_voice_get_actual_key(voice));
+}
+
+/*
+ * fluid_voice_calculate_runtime_synthesis_parameters
+ *
+ * in this function we calculate the values of all the parameters. the
+ * parameters are converted to their most useful unit for the DSP
+ * algorithm, for example, number of samples instead of
+ * timecents. Some parameters keep their "perceptual" unit and
+ * conversion will be done in the DSP function. This is the case, for
+ * example, for the pitch since it is modulated by the controllers in
+ * cents. */
+static int
+fluid_voice_calculate_runtime_synthesis_parameters(fluid_voice_t *voice)
+{
+    int i;
+    unsigned int n;
+
+    static int const list_of_generators_to_initialize[] =
+    {
+        GEN_STARTADDROFS,                    /* SF2.01 page 48 #0   */
+        GEN_ENDADDROFS,                      /*                #1   */
+        GEN_STARTLOOPADDROFS,                /*                #2   */
+        GEN_ENDLOOPADDROFS,                  /*                #3   */
+        /* GEN_STARTADDRCOARSEOFS see comment below [1]        #4   */
+        GEN_MODLFOTOPITCH,                   /*                #5   */
+        GEN_VIBLFOTOPITCH,                   /*                #6   */
+        GEN_MODENVTOPITCH,                   /*                #7   */
+        GEN_FILTERFC,                        /*                #8   */
+        GEN_FILTERQ,                         /*                #9   */
+        GEN_MODLFOTOFILTERFC,                /*                #10  */
+        GEN_MODENVTOFILTERFC,                /*                #11  */
+        /* GEN_ENDADDRCOARSEOFS [1]                            #12  */
+        GEN_MODLFOTOVOL,                     /*                #13  */
+        /* not defined                                         #14  */
+        GEN_CHORUSSEND,                      /*                #15  */
+        GEN_REVERBSEND,                      /*                #16  */
+        GEN_PAN,                             /*                #17  */
+        /* not defined                                         #18  */
+        /* not defined                                         #19  */
+        /* not defined                                         #20  */
+        GEN_MODLFODELAY,                     /*                #21  */
+        GEN_MODLFOFREQ,                      /*                #22  */
+        GEN_VIBLFODELAY,                     /*                #23  */
+        GEN_VIBLFOFREQ,                      /*                #24  */
+        GEN_MODENVDELAY,                     /*                #25  */
+        GEN_MODENVATTACK,                    /*                #26  */
+        GEN_MODENVHOLD,                      /*                #27  */
+        GEN_MODENVDECAY,                     /*                #28  */
+        /* GEN_MODENVSUSTAIN [1]                               #29  */
+        GEN_MODENVRELEASE,                   /*                #30  */
+        /* GEN_KEYTOMODENVHOLD [1]                             #31  */
+        /* GEN_KEYTOMODENVDECAY [1]                            #32  */
+        GEN_VOLENVDELAY,                     /*                #33  */
+        GEN_VOLENVATTACK,                    /*                #34  */
+        GEN_VOLENVHOLD,                      /*                #35  */
+        GEN_VOLENVDECAY,                     /*                #36  */
+        /* GEN_VOLENVSUSTAIN [1]                               #37  */
+        GEN_VOLENVRELEASE,                   /*                #38  */
+        /* GEN_KEYTOVOLENVHOLD [1]                             #39  */
+        /* GEN_KEYTOVOLENVDECAY [1]                            #40  */
+        /* GEN_STARTLOOPADDRCOARSEOFS [1]                      #45  */
+        GEN_KEYNUM,                          /*                #46  */
+        GEN_VELOCITY,                        /*                #47  */
+        GEN_ATTENUATION,                     /*                #48  */
+        /* GEN_ENDLOOPADDRCOARSEOFS [1]                        #50  */
+        /* GEN_COARSETUNE           [1]                        #51  */
+        /* GEN_FINETUNE             [1]                        #52  */
+        GEN_OVERRIDEROOTKEY,                 /*                #58  */
+        GEN_PITCH,                           /*                ---  */
+        GEN_CUSTOM_BALANCE,                  /*                ---  */
+        GEN_CUSTOM_FILTERFC,                 /*                ---  */
+        GEN_CUSTOM_FILTERQ                   /*                ---  */
+    };
+
+    /* When the voice is made ready for the synthesis process, a lot of
+     * voice-internal parameters have to be calculated.
+     *
+     * At this point, the sound font has already set the -nominal- value
+     * for all generators (excluding GEN_PITCH). Most generators can be
+     * modulated - they include a nominal value and an offset (which
+     * changes with velocity, note number, channel parameters like
+     * aftertouch, mod wheel...) Now this offset will be calculated as
+     * follows:
+     *
+     *  - Process each modulator once.
+     *  - Calculate its output value.
+     *  - Find the target generator.
+     *  - Add the output value to the modulation value of the generator.
+     *
+     * Note: The generators have been initialized with
+     * fluid_gen_init().
+     */
+
+    for(i = 0; i < voice->mod_count; i++)
+    {
+        fluid_mod_t *mod = &voice->mod[i];
+        fluid_real_t modval = fluid_mod_get_value(mod, voice);
+        int dest_gen_index = mod->dest;
+        fluid_gen_t *dest_gen = &voice->gen[dest_gen_index];
+        dest_gen->mod += modval;
+        /*      fluid_dump_modulator(mod); */
+    }
+
+    /* Now the generators are initialized, nominal and modulation value.
+     * The voice parameters (which depend on generators) are calculated
+     * with fluid_voice_update_param. Processing the list of generator
+     * changes will calculate each voice parameter once.
+     *
+     * Note [1]: Some voice parameters depend on several generators. For
+     * example, the pitch depends on GEN_COARSETUNE, GEN_FINETUNE and
+     * GEN_PITCH.  voice->pitch.  Unnecessary recalculation is avoided
+     * by removing all but one generator from the list of voice
+     * parameters.  Same with GEN_XXX and GEN_XXXCOARSE: the
+     * initialisation list contains only GEN_XXX.
+     */
+
+    /* Calculate the voice parameter(s) dependent on each generator. */
+    for(n = 0; n < FLUID_N_ELEMENTS(list_of_generators_to_initialize); n++)
+    {
+        fluid_voice_update_param(voice, list_of_generators_to_initialize[n]);
+    }
+
+    /* Start portamento if enabled */
+    {
+        /* fromkey note comes from "GetFromKeyPortamentoLegato()" detector.
+        When fromkey is set to ValidNote , portamento is started */
+        /* Return fromkey portamento */
+        int fromkey = voice->channel->synth->fromkey_portamento;
+
+        if(fluid_channel_is_valid_note(fromkey))
+        {
+            /* Send portamento parameters to the voice dsp */
+            fluid_voice_update_portamento(voice, fromkey, fluid_voice_get_actual_key(voice));
+        }
+    }
+
+    /* Make an estimate on how loud this voice can get at any time (attenuation). */
+    UPDATE_RVOICE_R1(fluid_rvoice_set_min_attenuation_cB,
+                     fluid_voice_get_lower_boundary_for_attenuation(voice));
+    return FLUID_OK;
+}
+
+/*
+ * calculate_hold_decay_buffers
+ */
+static int
+calculate_hold_decay_buffers(fluid_voice_t *voice, int gen_base,
+                             int gen_key2base, int is_decay)
+{
+    /* Purpose:
+     *
+     * Returns the number of DSP loops, that correspond to the hold
+     * (is_decay=0) or decay (is_decay=1) time.
+     * gen_base=GEN_VOLENVHOLD, GEN_VOLENVDECAY, GEN_MODENVHOLD,
+     * GEN_MODENVDECAY gen_key2base=GEN_KEYTOVOLENVHOLD,
+     * GEN_KEYTOVOLENVDECAY, GEN_KEYTOMODENVHOLD, GEN_KEYTOMODENVDECAY
+     */
+
+    fluid_real_t keysteps;
+    fluid_real_t timecents;
+    fluid_real_t seconds;
+    int buffers;
+
+    /* SF2.01 section 8.4.3 # 31, 32, 39, 40
+     * GEN_KEYTOxxxENVxxx uses key 60 as 'origin'.
+     * The unit of the generator is timecents per key number.
+     * If KEYTOxxxENVxxx is 100, a key one octave over key 60 (72)
+     * will cause (60-72)*100=-1200 timecents of time variation.
+     * The time is cut in half.
+     */
+
+    keysteps = 60.0f - fluid_channel_get_key_pitch(voice->channel, fluid_voice_get_actual_key(voice)) / 100.0f;
+    timecents = fluid_voice_gen_value(voice, gen_base) + fluid_voice_gen_value(voice, gen_key2base) * keysteps;
+
+    /* Range checking */
+    if(is_decay)
+    {
+        /* SF 2.01 section 8.1.3 # 28, 36 */
+        if(timecents > 8000.f)
+        {
+            timecents = 8000.f;
+        }
+    }
+    else
+    {
+        /* SF 2.01 section 8.1.3 # 27, 35 */
+        if(timecents > 5000.f)
+        {
+            timecents = 5000.f;
+        }
+
+        /* SF 2.01 section 8.1.2 # 27, 35:
+         * The most negative number indicates no hold time
+         */
+        if(timecents <= -32768.f)
+        {
+            return 0;
+        }
+    }
+
+    /* SF 2.01 section 8.1.3 # 27, 28, 35, 36 */
+    if(timecents < -12000.f)
+    {
+        timecents = -12000.f;
+    }
+
+    seconds = fluid_tc2sec(timecents);
+    /* Each DSP loop processes FLUID_BUFSIZE samples. */
+
+    /* round to next full number of buffers */
+    buffers = (int)(((fluid_real_t)voice->output_rate * seconds)
+                    / (fluid_real_t)FLUID_BUFSIZE
+                    + 0.5f);
+
+    return buffers;
+}
+
+/*
+ * The value of a generator (gen) has changed.  (The different
+ * generators are listed in fluidsynth.h, or in SF2.01 page 48-49)
+ * Now the dependent 'voice' parameters are calculated.
+ *
+ * fluid_voice_update_param can be called during the setup of the
+ * voice (to calculate the initial value for a voice parameter), or
+ * during its operation (a generator has been changed due to
+ * real-time parameter modifications like pitch-bend).
+ *
+ * Note: The generator holds three values: The base value .val, an
+ * offset caused by modulators .mod, and an offset caused by the
+ * NRPN system. fluid_voice_gen_value(voice, generator_enumerator) returns the sum
+ * of all three.
+ */
+
+/**
+ * Update all the synthesis parameters which depend on generator \a gen.
+ *
+ * @param voice Voice instance
+ * @param gen Generator id (#fluid_gen_type)
+ *
+ * Calling this function is only necessary after changing a generator of an already playing voice.
+ */
+void
+fluid_voice_update_param(fluid_voice_t *voice, int gen)
+{
+    unsigned int count, z;
+    fluid_real_t x = fluid_voice_gen_value(voice, gen);
+
+    switch(gen)
+    {
+
+    case GEN_PAN:
+    case GEN_CUSTOM_BALANCE:
+        /* range checking is done in the fluid_pan and fluid_balance functions */
+        voice->pan = fluid_voice_gen_value(voice, GEN_PAN);
+        voice->balance = fluid_voice_gen_value(voice, GEN_CUSTOM_BALANCE);
+
+        /* left amp */
+        UPDATE_RVOICE_BUFFERS_AMP(fluid_rvoice_buffers_set_amp, 0,
+                                  fluid_voice_calculate_gain_amplitude(voice,
+                                          fluid_pan(voice->pan, 1) * fluid_balance(voice->balance, 1)));
+
+        /* right amp */
+        UPDATE_RVOICE_BUFFERS_AMP(fluid_rvoice_buffers_set_amp, 1,
+                                  fluid_voice_calculate_gain_amplitude(voice,
+                                          fluid_pan(voice->pan, 0) * fluid_balance(voice->balance, 0)));
+        break;
+
+    case GEN_ATTENUATION:
+        voice->attenuation = x;
+
+        /* Range: SF2.01 section 8.1.3 # 48
+         * Motivation for range checking:
+         * OHPiano.SF2 sets initial attenuation to a whooping -96 dB */
+        fluid_clip(voice->attenuation, 0.f, 1440.f);
+        UPDATE_RVOICE_R1(fluid_rvoice_set_attenuation, voice->attenuation);
+        break;
+
+    /* The pitch is calculated from three different generators.
+     * Read comment in fluidsynth.h about GEN_PITCH.
+     */
+    case GEN_PITCH:
+    case GEN_COARSETUNE:
+    case GEN_FINETUNE:
+        /* The testing for allowed range is done in 'fluid_ct2hz' */
+        voice->pitch = (fluid_voice_gen_value(voice, GEN_PITCH)
+                        + 100.0f * fluid_voice_gen_value(voice, GEN_COARSETUNE)
+                        + fluid_voice_gen_value(voice, GEN_FINETUNE));
+        UPDATE_RVOICE_R1(fluid_rvoice_set_pitch, voice->pitch);
+        break;
+
+    case GEN_REVERBSEND:
+        /* The generator unit is 'tenths of a percent'. */
+        voice->reverb_send = x / 1000.0f;
+        fluid_clip(voice->reverb_send, 0.f, 1.f);
+        UPDATE_RVOICE_BUFFERS_AMP(fluid_rvoice_buffers_set_amp, 2, fluid_voice_calculate_gain_amplitude(voice, voice->reverb_send));
+        break;
+
+    case GEN_CHORUSSEND:
+        /* The generator unit is 'tenths of a percent'. */
+        voice->chorus_send = x / 1000.0f;
+        fluid_clip(voice->chorus_send, 0.f, 1.f);
+        UPDATE_RVOICE_BUFFERS_AMP(fluid_rvoice_buffers_set_amp, 3, fluid_voice_calculate_gain_amplitude(voice, voice->chorus_send));
+        break;
+
+    case GEN_OVERRIDEROOTKEY:
+
+        /* This is a non-realtime parameter. Therefore the .mod part of the generator
+         * can be neglected.
+         * NOTE: origpitch sets MIDI root note while pitchadj is a fine tuning amount
+         * which offsets the original rate.  This means that the fine tuning is
+         * inverted with respect to the root note (so subtract it, not add).
+         */
+        if(voice->sample != NULL)
+        {
+            if(voice->gen[GEN_OVERRIDEROOTKEY].val > -1)    //FIXME: use flag instead of -1
+            {
+                voice->root_pitch = voice->gen[GEN_OVERRIDEROOTKEY].val * 100.0f
+                                    - voice->sample->pitchadj;
+            }
+            else
+            {
+                voice->root_pitch = voice->sample->origpitch * 100.0f - voice->sample->pitchadj;
+            }
+
+            x = (fluid_ct2hz_real(voice->root_pitch) * ((fluid_real_t) voice->output_rate / voice->sample->samplerate));
+        }
+        else
+        {
+            if(voice->gen[GEN_OVERRIDEROOTKEY].val > -1)     //FIXME: use flag instead of -1
+            {
+                voice->root_pitch = voice->gen[GEN_OVERRIDEROOTKEY].val * 100.0f;
+            }
+            else
+            {
+                voice->root_pitch = 0;
+            }
+
+            x = fluid_ct2hz_real(voice->root_pitch);
+        }
+
+        /* voice->pitch depends on voice->root_pitch, so calculate voice->pitch now */
+        fluid_voice_calculate_gen_pitch(voice);
+        UPDATE_RVOICE_R1(fluid_rvoice_set_root_pitch_hz, x);
+
+        break;
+
+    case GEN_FILTERFC:
+        /* The resonance frequency is converted from absolute cents to
+         * midicents .val and .mod are both used, this permits real-time
+         * modulation.  The allowed range is tested in the 'fluid_ct2hz'
+         * function [PH,20021214]
+         */
+        UPDATE_RVOICE_GENERIC_R1(fluid_iir_filter_set_fres, &voice->rvoice->resonant_filter, x);
+        break;
+
+    case GEN_FILTERQ:
+        UPDATE_RVOICE_GENERIC_R1(fluid_iir_filter_set_q, &voice->rvoice->resonant_filter, x);
+        break;
+
+    /* same as the two above, only for the custom filter */
+    case GEN_CUSTOM_FILTERFC:
+        UPDATE_RVOICE_GENERIC_R1(fluid_iir_filter_set_fres, &voice->rvoice->resonant_custom_filter, x);
+        break;
+
+    case GEN_CUSTOM_FILTERQ:
+        UPDATE_RVOICE_GENERIC_R1(fluid_iir_filter_set_q, &voice->rvoice->resonant_custom_filter, x);
+        break;
+
+    case GEN_MODLFOTOPITCH:
+        fluid_clip(x, -12000.f, 12000.f);
+        UPDATE_RVOICE_R1(fluid_rvoice_set_modlfo_to_pitch, x);
+        break;
+
+    case GEN_MODLFOTOVOL:
+        fluid_clip(x, -960.f, 960.f);
+        UPDATE_RVOICE_R1(fluid_rvoice_set_modlfo_to_vol, x);
+        break;
+
+    case GEN_MODLFOTOFILTERFC:
+        fluid_clip(x, -12000.f, 12000.f);
+        UPDATE_RVOICE_R1(fluid_rvoice_set_modlfo_to_fc, x);
+        break;
+
+    case GEN_MODLFODELAY:
+        fluid_clip(x, -12000.0f, 5000.0f);
+        z = (unsigned int)(voice->output_rate * fluid_tc2sec_delay(x));
+        UPDATE_RVOICE_ENVLFO_I1(fluid_lfo_set_delay, modlfo, z);
+        break;
+
+    case GEN_MODLFOFREQ:
+        /* - the frequency is converted into a delta value, per buffer of FLUID_BUFSIZE samples
+         * - the delay into a sample delay
+         */
+        fluid_clip(x, -16000.0f, 4500.0f);
+        x = (4.0f * FLUID_BUFSIZE * fluid_ct2hz_real(x) / voice->output_rate);
+        UPDATE_RVOICE_ENVLFO_R1(fluid_lfo_set_incr, modlfo, x);
+        break;
+
+    case GEN_VIBLFOFREQ:
+        /* vib lfo
+         *
+         * - the frequency is converted into a delta value, per buffer of FLUID_BUFSIZE samples
+         * - the delay into a sample delay
+         */
+        fluid_clip(x, -16000.0f, 4500.0f);
+        x = 4.0f * FLUID_BUFSIZE * fluid_ct2hz_real(x) / voice->output_rate;
+        UPDATE_RVOICE_ENVLFO_R1(fluid_lfo_set_incr, viblfo, x);
+        break;
+
+    case GEN_VIBLFODELAY:
+        fluid_clip(x, -12000.0f, 5000.0f);
+        z = (unsigned int)(voice->output_rate * fluid_tc2sec_delay(x));
+        UPDATE_RVOICE_ENVLFO_I1(fluid_lfo_set_delay, viblfo, z);
+        break;
+
+    case GEN_VIBLFOTOPITCH:
+        fluid_clip(x, -12000.f, 12000.f);
+        UPDATE_RVOICE_R1(fluid_rvoice_set_viblfo_to_pitch, x);
+        break;
+
+    case GEN_KEYNUM:
+        /* GEN_KEYNUM: SF2.01 page 46, item 46
+         *
+         * If this generator is active, it forces the key number to its
+         * value.  Non-realtime controller.
+         *
+         * There is a flag, which should indicate, whether a generator is
+         * enabled or not.  But here we rely on the default value of -1.
+         */
+
+        /* 2017-09-02: do not change the voice's key here, otherwise it will
+         * never be released on a noteoff event
+         */
+#if 0
+        x = fluid_voice_gen_value(voice, GEN_KEYNUM);
+
+        if(x >= 0)
+        {
+            voice->key = x;
+        }
+
+#endif
+        break;
+
+    case GEN_VELOCITY:
+        /* GEN_VELOCITY: SF2.01 page 46, item 47
+         *
+         * If this generator is active, it forces the velocity to its
+         * value. Non-realtime controller.
+         *
+         * There is a flag, which should indicate, whether a generator is
+         * enabled or not. But here we rely on the default value of -1.
+         */
+        /* 2017-09-02: do not change the voice's velocity here, use
+         * fluid_voice_get_actual_velocity() to get the value of this generator
+         * if active.
+         */
+#if 0
+        x = fluid_voice_gen_value(voice, GEN_VELOCITY);
+
+        if(x > 0)
+        {
+            voice->vel = x;
+        }
+
+#endif
+        break;
+
+    case GEN_MODENVTOPITCH:
+        fluid_clip(x, -12000.f, 12000.f);
+        UPDATE_RVOICE_R1(fluid_rvoice_set_modenv_to_pitch, x);
+        break;
+
+    case GEN_MODENVTOFILTERFC:
+        /* Range: SF2.01 section 8.1.3 # 1
+         * Motivation for range checking:
+         * Filter is reported to make funny noises now and then
+         */
+        fluid_clip(x, -12000.f, 12000.f);
+        UPDATE_RVOICE_R1(fluid_rvoice_set_modenv_to_fc, x);
+        break;
+
+
+    /* sample start and ends points
+     *
+     * Range checking is initiated via the
+     * voice->check_sample_sanity flag,
+     * because it is impossible to check here:
+     * During the voice setup, all modulators are processed, while
+     * the voice is inactive. Therefore, illegal settings may
+     * occur during the setup (for example: First move the loop
+     * end point ahead of the loop start point => invalid, then
+     * move the loop start point forward => valid again.
+     */
+    case GEN_STARTADDROFS:              /* SF2.01 section 8.1.3 # 0 */
+    case GEN_STARTADDRCOARSEOFS:        /* SF2.01 section 8.1.3 # 4 */
+        if(voice->sample != NULL)
+        {
+            fluid_real_t start_fine = fluid_voice_gen_value(voice, GEN_STARTADDROFS);
+            fluid_real_t start_coar = fluid_voice_gen_value(voice, GEN_STARTADDRCOARSEOFS);
+
+            z = voice->sample->start + (int)start_fine + 32768 * (int)start_coar;
+            UPDATE_RVOICE_I1(fluid_rvoice_set_start, z);
+        }
+
+        break;
+
+    case GEN_ENDADDROFS:                 /* SF2.01 section 8.1.3 # 1 */
+    case GEN_ENDADDRCOARSEOFS:           /* SF2.01 section 8.1.3 # 12 */
+        if(voice->sample != NULL)
+        {
+            fluid_real_t end_fine = fluid_voice_gen_value(voice, GEN_ENDADDROFS);
+            fluid_real_t end_coar = fluid_voice_gen_value(voice, GEN_ENDADDRCOARSEOFS);
+
+            z = voice->sample->end + (int)end_fine + 32768 * (int)end_coar;
+            UPDATE_RVOICE_I1(fluid_rvoice_set_end, z);
+        }
+
+        break;
+
+    case GEN_STARTLOOPADDROFS:           /* SF2.01 section 8.1.3 # 2 */
+    case GEN_STARTLOOPADDRCOARSEOFS:     /* SF2.01 section 8.1.3 # 45 */
+        if(voice->sample != NULL)
+        {
+            fluid_real_t lstart_fine = fluid_voice_gen_value(voice, GEN_STARTLOOPADDROFS);
+            fluid_real_t lstart_coar = fluid_voice_gen_value(voice, GEN_STARTLOOPADDRCOARSEOFS);
+
+            z = voice->sample->loopstart + (int)lstart_fine + 32768 * (int)lstart_coar;
+            UPDATE_RVOICE_I1(fluid_rvoice_set_loopstart, z);
+        }
+
+        break;
+
+    case GEN_ENDLOOPADDROFS:             /* SF2.01 section 8.1.3 # 3 */
+    case GEN_ENDLOOPADDRCOARSEOFS:       /* SF2.01 section 8.1.3 # 50 */
+        if(voice->sample != NULL)
+        {
+            fluid_real_t lend_fine = fluid_voice_gen_value(voice, GEN_ENDLOOPADDROFS);
+            fluid_real_t lend_coar = fluid_voice_gen_value(voice, GEN_ENDLOOPADDRCOARSEOFS);
+
+            z = voice->sample->loopend + (int)lend_fine + 32768 * (int)lend_coar;
+            UPDATE_RVOICE_I1(fluid_rvoice_set_loopend, z);
+        }
+
+        break;
+
+        /* Conversion functions differ in range limit */
+#define NUM_BUFFERS_DELAY(_v)   (unsigned int) (voice->output_rate * fluid_tc2sec_delay(_v) / FLUID_BUFSIZE)
+#define NUM_BUFFERS_ATTACK(_v)  (unsigned int) (voice->output_rate * fluid_tc2sec_attack(_v) / FLUID_BUFSIZE)
+#define NUM_BUFFERS_RELEASE(_v) (unsigned int) (voice->output_rate * fluid_tc2sec_release(_v) / FLUID_BUFSIZE)
+
+    /* volume envelope
+     *
+     * - delay and hold times are converted to absolute number of samples
+     * - sustain is converted to its absolute value
+     * - attack, decay and release are converted to their increment per sample
+     */
+    case GEN_VOLENVDELAY:                /* SF2.01 section 8.1.3 # 33 */
+        fluid_clip(x, -12000.0f, 5000.0f);
+        count = NUM_BUFFERS_DELAY(x);
+        fluid_voice_update_volenv(voice, TRUE, FLUID_VOICE_ENVDELAY,
+                                  count, 0.0f, 0.0f, -1.0f, 1.0f);
+        break;
+
+    case GEN_VOLENVATTACK:               /* SF2.01 section 8.1.3 # 34 */
+        fluid_clip(x, -12000.0f, 8000.0f);
+        count = 1 + NUM_BUFFERS_ATTACK(x);
+        fluid_voice_update_volenv(voice, TRUE, FLUID_VOICE_ENVATTACK,
+                                  count, 1.0f, 1.0f / count, -1.0f, 1.0f);
+        break;
+
+    case GEN_VOLENVHOLD:                 /* SF2.01 section 8.1.3 # 35 */
+    case GEN_KEYTOVOLENVHOLD:            /* SF2.01 section 8.1.3 # 39 */
+        count = calculate_hold_decay_buffers(voice, GEN_VOLENVHOLD, GEN_KEYTOVOLENVHOLD, 0); /* 0 means: hold */
+        fluid_voice_update_volenv(voice, TRUE, FLUID_VOICE_ENVHOLD,
+                                  count, 1.0f, 0.0f, -1.0f, 2.0f);
+        break;
+
+    case GEN_VOLENVDECAY:               /* SF2.01 section 8.1.3 # 36 */
+    case GEN_VOLENVSUSTAIN:             /* SF2.01 section 8.1.3 # 37 */
+    case GEN_KEYTOVOLENVDECAY:          /* SF2.01 section 8.1.3 # 40 */
+        x = 1.0f - 0.001f * fluid_voice_gen_value(voice, GEN_VOLENVSUSTAIN);
+        fluid_clip(x, 0.0f, 1.0f);
+        count = calculate_hold_decay_buffers(voice, GEN_VOLENVDECAY, GEN_KEYTOVOLENVDECAY, 1); /* 1 for decay */
+        fluid_voice_update_volenv(voice, TRUE, FLUID_VOICE_ENVDECAY,
+                                  count, 1.0f, count ? -1.0f / count : 0.0f, x, 2.0f);
+        break;
+
+    case GEN_VOLENVRELEASE:             /* SF2.01 section 8.1.3 # 38 */
+        fluid_clip(x, FLUID_MIN_VOLENVRELEASE, 8000.0f);
+        count = 1 + NUM_BUFFERS_RELEASE(x);
+        fluid_voice_update_volenv(voice, TRUE, FLUID_VOICE_ENVRELEASE,
+                                  count, 1.0f, -1.0f / count, 0.0f, 1.0f);
+        break;
+
+    /* Modulation envelope */
+    case GEN_MODENVDELAY:               /* SF2.01 section 8.1.3 # 25 */
+        fluid_clip(x, -12000.0f, 5000.0f);
+        count = NUM_BUFFERS_DELAY(x);
+        fluid_voice_update_modenv(voice, TRUE, FLUID_VOICE_ENVDELAY,
+                                  count, 0.0f, 0.0f, -1.0f, 1.0f);
+        break;
+
+    case GEN_MODENVATTACK:               /* SF2.01 section 8.1.3 # 26 */
+        fluid_clip(x, -12000.0f, 8000.0f);
+        count = 1 + NUM_BUFFERS_ATTACK(x);
+        fluid_voice_update_modenv(voice, TRUE, FLUID_VOICE_ENVATTACK,
+                                  count, 1.0f, 1.0f / count, -1.0f, 1.0f);
+        break;
+
+    case GEN_MODENVHOLD:               /* SF2.01 section 8.1.3 # 27 */
+    case GEN_KEYTOMODENVHOLD:          /* SF2.01 section 8.1.3 # 31 */
+        count = calculate_hold_decay_buffers(voice, GEN_MODENVHOLD, GEN_KEYTOMODENVHOLD, 0); /* 1 means: hold */
+        fluid_voice_update_modenv(voice, TRUE, FLUID_VOICE_ENVHOLD,
+                                  count, 1.0f, 0.0f, -1.0f, 2.0f);
+        break;
+
+    case GEN_MODENVDECAY:                                   /* SF 2.01 section 8.1.3 # 28 */
+    case GEN_MODENVSUSTAIN:                                 /* SF 2.01 section 8.1.3 # 29 */
+    case GEN_KEYTOMODENVDECAY:                              /* SF 2.01 section 8.1.3 # 32 */
+        count = calculate_hold_decay_buffers(voice, GEN_MODENVDECAY, GEN_KEYTOMODENVDECAY, 1); /* 1 for decay */
+        x = 1.0f - 0.001f * fluid_voice_gen_value(voice, GEN_MODENVSUSTAIN);
+        fluid_clip(x, 0.0f, 1.0f);
+        fluid_voice_update_modenv(voice, TRUE, FLUID_VOICE_ENVDECAY,
+                                  count, 1.0f, count ? -1.0f / count : 0.0f, x, 2.0f);
+        break;
+
+    case GEN_MODENVRELEASE:                                  /* SF 2.01 section 8.1.3 # 30 */
+        fluid_clip(x, -12000.0f, 8000.0f);
+        count = 1 + NUM_BUFFERS_RELEASE(x);
+        fluid_voice_update_modenv(voice, TRUE, FLUID_VOICE_ENVRELEASE,
+                                  count, 1.0f, -1.0f / count, 0.0f, 2.0f);
+
+        break;
+
+    } /* switch gen */
+}
+
+/**
+ * Recalculate voice parameters for a given control.
+ *
+ * @param voice the synthesis voice
+ * @param cc flag to distinguish between a continuous control and a channel control (pitch bend, ...)
+ * @param ctrl the control number:
+ *   when >=0, only modulators's destination having ctrl as source are updated.
+ *   when -1, all modulators's destination are updated (regardless of ctrl).
+ *
+ * In this implementation, I want to make sure that all controllers
+ * are event based: the parameter values of the DSP algorithm should
+ * only be updates when a controller event arrived and not at every
+ * iteration of the audio cycle (which would probably be feasible if
+ * the synth was made in silicon).
+ *
+ * The update is done in two steps:
+ *
+ * - step 1: first, we look for all the modulators that have the changed
+ * controller as a source. This will yield a generator that will be changed
+ * because of the controller event.
+ *
+ * - step 2: For this generator, calculate its new value. This is the
+ * sum of its original value plus the values of all the attached modulators.
+ * The generator flag is set to indicate the parameters must be updated.
+ * This avoid the risk to call 'fluid_voice_update_param' several
+ * times for the same generator if several modulators have that generator as
+ * destination. So every changed generators are updated only once.
+ */
+
+ /* bit table for each generator being updated. The bits are packed in variables
+  Each variable have NBR_BIT_BY_VAR bits represented by NBR_BIT_BY_VAR_LN2.
+  The size of the table is the number of variables: SIZE_UPDATED_GEN_BIT.
+ 
+  Note: In this implementation NBR_BIT_BY_VAR_LN2 is set to 5 (convenient for 32 bits cpu)
+  but this could be set to 6 for 64 bits cpu.
+ */
+
+#define NBR_BIT_BY_VAR_LN2 5	/* for 32 bits variables */
+#define NBR_BIT_BY_VAR  (1 << NBR_BIT_BY_VAR_LN2)
+#define NBR_BIT_BY_VAR_ANDMASK (NBR_BIT_BY_VAR - 1)
+#define	SIZE_UPDATED_GEN_BIT  ((GEN_LAST + NBR_BIT_BY_VAR_ANDMASK) / NBR_BIT_BY_VAR)
+
+#define is_gen_updated(bit,gen)  (bit[gen >> NBR_BIT_BY_VAR_LN2] &  (1 << (gen & NBR_BIT_BY_VAR_ANDMASK)))
+#define set_gen_updated(bit,gen) (bit[gen >> NBR_BIT_BY_VAR_LN2] |= (1 << (gen & NBR_BIT_BY_VAR_ANDMASK)))
+
+int fluid_voice_modulate(fluid_voice_t *voice, int cc, int ctrl)
+{
+    int i, k;
+    fluid_mod_t *mod;
+    uint32_t gen;
+    fluid_real_t modval;
+
+    /* Clears registered bits table of updated generators */
+    uint32_t updated_gen_bit[SIZE_UPDATED_GEN_BIT] = {0};
+
+    /*    printf("Chan=%d, CC=%d, Src=%d, Val=%d\n", voice->channel->channum, cc, ctrl, val); */
+
+    for(i = 0; i < voice->mod_count; i++)
+    {
+        mod = &voice->mod[i];
+
+        /* step 1: find all the modulators that have the changed controller
+           as input source. When ctrl is -1 all modulators destination
+           are updated */
+        if(ctrl < 0 || fluid_mod_has_source(mod, cc, ctrl))
+        {
+            gen = fluid_mod_get_dest(mod);
+
+            /* Skip if this generator has already been updated */
+            if(!is_gen_updated(updated_gen_bit, gen))
+            {
+                modval = 0.0;
+
+                /* step 2: for every attached modulator, calculate the modulation
+                 * value for the generator gen */
+                for(k = 0; k < voice->mod_count; k++)
+                {
+                    if(fluid_mod_has_dest(&voice->mod[k], gen))
+                    {
+                        modval += fluid_mod_get_value(&voice->mod[k], voice);
+                    }
+                }
+
+                fluid_gen_set_mod(&voice->gen[gen], modval);
+
+                /* now recalculate the parameter values that are derived from the
+                   generator */
+                fluid_voice_update_param(voice, gen);
+
+                /* set the bit that indicates this generator is updated */
+                set_gen_updated(updated_gen_bit, gen);
+            }
+        }
+    }
+
+    return FLUID_OK;
+}
+
+/**
+ * Update all the modulators.
+ *
+ * This function is called after a ALL_CTRL_OFF MIDI message has been received (CC 121).
+ * All destinations of all modulators will be updated.
+ */
+int fluid_voice_modulate_all(fluid_voice_t *voice)
+{
+    return fluid_voice_modulate(voice, 0, -1);
+}
+
+/* legato update functions --------------------------------------------------*/
+
+/* Updates voice portamento parameters
+ *
+ * @voice voice the synthesis voice
+ * @fromkey the beginning pitch of portamento.
+ * @tokey the ending pitch of portamento.
+ *
+ * The function calculates pitch offset and increment, then these parameters
+ * are send to the dsp.
+*/
+void fluid_voice_update_portamento(fluid_voice_t *voice, int fromkey, int tokey)
+
+{
+    fluid_channel_t *channel = voice->channel;
+
+    /* calculates pitch offset */
+    fluid_real_t PitchBeg = fluid_voice_calculate_pitch(voice, fromkey);
+    fluid_real_t PitchEnd = fluid_voice_calculate_pitch(voice, tokey);
+    fluid_real_t pitchoffset = PitchBeg - PitchEnd;
+
+    /* Calculates increment countinc */
+    /* Increment is function of PortamentoTime (ms)*/
+    unsigned int countinc = (unsigned int)(((fluid_real_t)voice->output_rate *
+                                            0.001f *
+                                            (fluid_real_t)fluid_channel_portamentotime(channel))  /
+                                           (fluid_real_t)FLUID_BUFSIZE  + 0.5f);
+
+    /* Send portamento parameters to the voice dsp */
+    UPDATE_RVOICE_GENERIC_IR(fluid_rvoice_set_portamento, voice->rvoice, countinc, pitchoffset);
+}
+
+/*---------------------------------------------------------------*/
+/*legato mode 1: multi_retrigger
+ *
+ * Modulates all generators dependent of key,vel.
+ * Forces the voice envelopes in the attack section (legato mode 1).
+ *
+ * @voice voice the synthesis voice
+ * @tokey the new key to be applied to this voice.
+ * @vel the new velocity to be applied to this voice.
+ */
+void fluid_voice_update_multi_retrigger_attack(fluid_voice_t *voice,
+        int tokey, int vel)
+{
+    voice->key = tokey;  /* new note */
+    voice->vel = vel; /* new velocity */
+    /* Updates generators dependent of velocity */
+    /* Modulates GEN_ATTENUATION (and others ) before calling
+       fluid_rvoice_multi_retrigger_attack().*/
+    fluid_voice_modulate(voice, FALSE, FLUID_MOD_VELOCITY);
+
+    /* Updates generator dependent of voice->key */
+    fluid_voice_update_param(voice, GEN_KEYTOMODENVHOLD);
+    fluid_voice_update_param(voice, GEN_KEYTOMODENVDECAY);
+    fluid_voice_update_param(voice, GEN_KEYTOVOLENVHOLD);
+    fluid_voice_update_param(voice, GEN_KEYTOVOLENVDECAY);
+
+    /* Updates pitch generator  */
+    fluid_voice_calculate_gen_pitch(voice);
+    fluid_voice_update_param(voice, GEN_PITCH);
+
+    /* updates adsr generator */
+    UPDATE_RVOICE0(fluid_rvoice_multi_retrigger_attack);
+}
+/** end of legato update functions */
+
+/*
+ Force the voice into release stage. Useful anywhere a voice
+ needs to be damped even if pedals (sustain sostenuto) are depressed.
+ See fluid_synth_damp_voices_by_sustain_LOCAL(),
+ fluid_synth_damp_voices_by_sostenuto_LOCAL,
+ fluid_voice_noteoff().
+*/
+void
+fluid_voice_release(fluid_voice_t *voice)
+{
+    unsigned int at_tick = fluid_channel_get_min_note_length_ticks(voice->channel);
+    UPDATE_RVOICE_I1(fluid_rvoice_noteoff, at_tick);
+    voice->has_noteoff = 1; // voice is marked as noteoff occurred
+}
+
+/*
+ * fluid_voice_noteoff
+ *
+ * Sending a noteoff event will advance the envelopes to section 5 (release).
+ * The function is convenient for polyphonic or monophonic note
+ */
+void
+fluid_voice_noteoff(fluid_voice_t *voice)
+{
+    fluid_channel_t *channel;
+
+    fluid_profile(FLUID_PROF_VOICE_NOTE, voice->ref, 0, 0);
+
+    channel = voice->channel;
+
+    /* Sustain a note under Sostenuto pedal */
+    if(fluid_channel_sostenuto(channel) &&
+            channel->sostenuto_orderid > voice->id)
+    {
+        // Sostenuto depressed after note
+        voice->status = FLUID_VOICE_HELD_BY_SOSTENUTO;
+    }
+    /* Or sustain a note under Sustain pedal */
+    else if(fluid_channel_sustained(channel))
+    {
+        voice->status = FLUID_VOICE_SUSTAINED;
+    }
+    /* Or force the voice to release stage */
+    else
+    {
+        fluid_voice_release(voice);
+    }
+}
+
+/*
+ * fluid_voice_kill_excl
+ *
+ * Percussion sounds can be mutually exclusive: for example, a 'closed
+ * hihat' sound will terminate an 'open hihat' sound ringing at the
+ * same time. This behaviour is modeled using 'exclusive classes',
+ * turning on a voice with an exclusive class other than 0 will kill
+ * all other voices having that exclusive class within the same preset
+ * or channel.  fluid_voice_kill_excl gets called, when 'voice' is to
+ * be killed for that reason.
+ */
+
+int
+fluid_voice_kill_excl(fluid_voice_t *voice)
+{
+
+    unsigned int at_tick;
+
+    if(!fluid_voice_is_playing(voice))
+    {
+        return FLUID_OK;
+    }
+
+    /* Turn off the exclusive class information for this voice,
+       so that it doesn't get killed twice
+    */
+    fluid_voice_gen_set(voice, GEN_EXCLUSIVECLASS, 0);
+
+    /* Speed up the volume envelope */
+    /* The value was found through listening tests with hi-hat samples. */
+    fluid_voice_gen_set(voice, GEN_VOLENVRELEASE, -200);
+    fluid_voice_update_param(voice, GEN_VOLENVRELEASE);
+
+    /* Speed up the modulation envelope */
+    fluid_voice_gen_set(voice, GEN_MODENVRELEASE, -200);
+    fluid_voice_update_param(voice, GEN_MODENVRELEASE);
+
+    at_tick = fluid_channel_get_min_note_length_ticks(voice->channel);
+    UPDATE_RVOICE_I1(fluid_rvoice_noteoff, at_tick);
+
+
+    return FLUID_OK;
+}
+
+/*
+ * Unlock the overflow rvoice of the voice.
+ * Decrement the reference count of the sample owned by this rvoice.
+ *
+ * Called by fluid_synth when the overflow rvoice has finished by itself.
+ * Must be called also explicitly at synth destruction to ensure that
+ * the soundfont be unloaded successfully.
+ */
+void fluid_voice_overflow_rvoice_finished(fluid_voice_t *voice)
+{
+    voice->can_access_overflow_rvoice = 1;
+
+    /* Decrement the reference count of the sample to indicate
+       that this sample isn't owned by the rvoice anymore */
+    fluid_voice_sample_unref(&voice->overflow_sample);
+}
+
+/*
+ * fluid_voice_off
+ *
+ * Force the voice into finished stage. Useful anywhere a voice
+ * needs to be cancelled from MIDI API.
+ */
+void fluid_voice_off(fluid_voice_t *voice)
+{
+    UPDATE_RVOICE0(fluid_rvoice_voiceoff); /* request to finish the voice */
+}
+
+/*
+ * fluid_voice_stop
+ *
+ * Purpose:
+ * Turns off a voice, meaning that it is not processed anymore by the
+ * DSP loop, i.e. contrary part to fluid_voice_start().
+ */
+void
+fluid_voice_stop(fluid_voice_t *voice)
+{
+    fluid_profile(FLUID_PROF_VOICE_RELEASE, voice->ref, 0, 0);
+
+    voice->chan = NO_CHANNEL;
+
+    /* Decrement the reference count of the sample, to indicate
+       that this sample isn't owned by the rvoice anymore.
+    */
+    fluid_voice_sample_unref(&voice->sample);
+
+    voice->status = FLUID_VOICE_OFF;
+    voice->has_noteoff = 1;
+
+    /* Decrement voice count */
+    voice->channel->synth->active_voice_count--;
+}
+
+/**
+ * Adds a modulator to the voice if the modulator has valid sources.
+ *
+ * @param voice Voice instance.
+ * @param mod Modulator info (copied).
+ * @param mode Determines how to handle an existing identical modulator.
+ *   #FLUID_VOICE_ADD to add (offset) the modulator amounts,
+ *   #FLUID_VOICE_OVERWRITE to replace the modulator,
+ *   #FLUID_VOICE_DEFAULT when adding a default modulator - no duplicate should
+ *   exist so don't check.
+ */
+void
+fluid_voice_add_mod(fluid_voice_t *voice, fluid_mod_t *mod, int mode)
+{
+    /* Ignore the modulator if its sources inputs are invalid */
+    if(fluid_mod_check_sources(mod, "api fluid_voice_add_mod mod"))
+    {
+        fluid_voice_add_mod_local(voice, mod, mode, FLUID_NUM_MOD);
+    }
+}
+
+/**
+ * Adds a modulator to the voice.
+ * local version of fluid_voice_add_mod function. Called at noteon time.
+ * @param voice, mod, mode, same as for fluid_voice_add_mod() (see above).
+ * @param check_limit_count is the modulator number limit to handle with existing
+ *   identical modulator(i.e mode FLUID_VOICE_OVERWRITE, FLUID_VOICE_ADD).
+ *   - When FLUID_NUM_MOD, all the voices modulators (since the previous call)
+ *     are checked for identity.
+ *   - When check_count_limit is below the actual number of voices modulators
+ *   (voice->mod_count), this will restrict identity check to this number,
+ *   This is useful when we know by advance that there is no duplicate with
+ *   modulators at index above this limit. This avoid wasting cpu cycles at noteon.
+ */
+void
+fluid_voice_add_mod_local(fluid_voice_t *voice, fluid_mod_t *mod, int mode, int check_limit_count)
+{
+    int i;
+
+    /* check_limit_count cannot be above voice->mod_count */
+    if(check_limit_count > voice->mod_count)
+    {
+        check_limit_count = voice->mod_count;
+    }
+
+    if(mode == FLUID_VOICE_ADD)
+    {
+
+        /* if identical modulator exists, add them */
+        for(i = 0; i < check_limit_count; i++)
+        {
+            if(fluid_mod_test_identity(&voice->mod[i], mod))
+            {
+                //		printf("Adding modulator...\n");
+                voice->mod[i].amount += mod->amount;
+                return;
+            }
+        }
+
+    }
+    else if(mode == FLUID_VOICE_OVERWRITE)
+    {
+
+        /* if identical modulator exists, replace it (only the amount has to be changed) */
+        for(i = 0; i < check_limit_count; i++)
+        {
+            if(fluid_mod_test_identity(&voice->mod[i], mod))
+            {
+                //		printf("Replacing modulator...amount is %f\n",mod->amount);
+                voice->mod[i].amount = mod->amount;
+                return;
+            }
+        }
+    }
+
+    /* Add a new modulator (No existing modulator to add / overwrite).
+       Also, default modulators (FLUID_VOICE_DEFAULT) are added without
+       checking, if the same modulator already exists. */
+    if(voice->mod_count < FLUID_NUM_MOD)
+    {
+        fluid_mod_clone(&voice->mod[voice->mod_count++], mod);
+    }
+    else
+    {
+        FLUID_LOG(FLUID_WARN, "Voice %i has more modulators than supported, ignoring.", voice->id);
+    }
+}
+
+/**
+ * Get the unique ID of the noteon-event.
+ *
+ * @param voice Voice instance
+ * @return Note on unique ID
+ *
+ * A SoundFont loader may store pointers to voices it has created for
+ * real-time control during the operation of a voice (for example: parameter
+ * changes in SoundFont editor). The synth uses a pool of voices internally which are
+ * 'recycled' and never deallocated.
+ *
+ * However, before modifying an existing voice, check
+ * - that its state is still 'playing'
+ * - that the ID is still the same
+ *
+ * Otherwise the voice has finished playing.
+ */
+unsigned int fluid_voice_get_id(const fluid_voice_t *voice)
+{
+    return voice->id;
+}
+
+/**
+ * Check if a voice is producing sound.
+ *
+ * Like fluid_voice_is_on() this will return TRUE once a call to 
+ * fluid_synth_start_voice() has been made. Contrary to fluid_voice_is_on(),
+ * this might also return TRUE after the voice received a noteoff event, as it may
+ * still be playing in release phase, or because it has been sustained or
+ * sostenuto'ed.
+ *
+ * @param voice Voice instance
+ * @return TRUE if playing, FALSE otherwise
+ */
+int fluid_voice_is_playing(const fluid_voice_t *voice)
+{
+    return (voice->status == FLUID_VOICE_ON)
+           || fluid_voice_is_sustained(voice)
+           || fluid_voice_is_sostenuto(voice);
+
+}
+
+/**
+ * Check if a voice is ON.
+ *
+ * A voice is in ON state as soon as a call to fluid_synth_start_voice() has been made
+ * (which is typically done in a fluid_preset_t's noteon function).
+ * A voice stays ON as long as it has not received a noteoff event.
+ *
+ * @param voice Voice instance
+ * @return TRUE if on, FALSE otherwise
+ *
+ * @since 1.1.7
+ */
+int fluid_voice_is_on(const fluid_voice_t *voice)
+{
+    return (voice->status == FLUID_VOICE_ON && !voice->has_noteoff);
+}
+
+/**
+ * Check if a voice keeps playing after it has received a noteoff due to being held by sustain.
+ *
+ * @param voice Voice instance
+ * @return TRUE if sustained, FALSE otherwise
+ *
+ * @since 1.1.7
+ */
+int fluid_voice_is_sustained(const fluid_voice_t *voice)
+{
+    return (voice->status == FLUID_VOICE_SUSTAINED);
+}
+
+/**
+ * Check if a voice keeps playing after it has received a noteoff due to being held by sostenuto.
+ *
+ * @param voice Voice instance
+ * @return TRUE if sostenuto, FALSE otherwise
+ *
+ * @since 1.1.7
+ */
+int fluid_voice_is_sostenuto(const fluid_voice_t *voice)
+{
+    return (voice->status == FLUID_VOICE_HELD_BY_SOSTENUTO);
+}
+
+/**
+ * Return the MIDI channel the voice is playing on.
+ *
+ * @param voice Voice instance
+ * @return The channel assigned to this voice
+ *
+ * @note The result of this function is only valid if the voice is playing.
+ *
+ * @since 1.1.7
+ */
+int fluid_voice_get_channel(const fluid_voice_t *voice)
+{
+    return voice->chan;
+}
+
+/**
+ * Return the effective MIDI key of the playing voice.
+ *
+ * @param voice Voice instance
+ * @return The MIDI key this voice is playing at
+ *
+ * If the voice was started from an instrument which uses a fixed key generator, it returns that.
+ * Otherwise returns the same value as \c fluid_voice_get_key.
+ *
+ * @note The result of this function is only valid if the voice is playing.
+ *
+ * @since 1.1.7
+ */
+int fluid_voice_get_actual_key(const fluid_voice_t *voice)
+{
+    fluid_real_t x = fluid_voice_gen_value(voice, GEN_KEYNUM);
+
+    if(x >= 0)
+    {
+        return (int)x;
+    }
+    else
+    {
+        return fluid_voice_get_key(voice);
+    }
+}
+
+/**
+ * Return the MIDI key from the starting noteon event.
+ *
+ * @param voice Voice instance
+ * @return The MIDI key of the noteon event that originally turned on this voice
+ *
+ * @note The result of this function is only valid if the voice is playing.
+ *
+ * @since 1.1.7
+ */
+int fluid_voice_get_key(const fluid_voice_t *voice)
+{
+    return voice->key;
+}
+
+/**
+ * Return the effective MIDI velocity of the playing voice.
+ *
+ * @param voice Voice instance
+ * @return The MIDI velocity this voice is playing at
+ *
+ * If the voice was started from an instrument which uses a fixed velocity generator, it returns that.
+ * Otherwise it returns the same value as \c fluid_voice_get_velocity.
+ *
+ * @note The result of this function is only valid if the voice is playing.
+ *
+ * @since 1.1.7
+ */
+int fluid_voice_get_actual_velocity(const fluid_voice_t *voice)
+{
+    fluid_real_t x = fluid_voice_gen_value(voice, GEN_VELOCITY);
+
+    if(x > 0)
+    {
+        return (int)x;
+    }
+    else
+    {
+        return fluid_voice_get_velocity(voice);
+    }
+}
+
+/**
+ * Return the MIDI velocity from the starting noteon event.
+ *
+ * @param voice Voice instance
+ * @return The MIDI velocity which originally turned on this voice
+ *
+ * @note The result of this function is only valid if the voice is playing.
+ *
+ * @since 1.1.7
+ */
+int fluid_voice_get_velocity(const fluid_voice_t *voice)
+{
+    return voice->vel;
+}
+
+/*
+ * fluid_voice_get_lower_boundary_for_attenuation
+ *
+ * Purpose:
+ *
+ * A lower boundary for the attenuation (as in 'the minimum
+ * attenuation of this voice, with volume pedals, modulators
+ * etc. resulting in minimum attenuation, cannot fall below x cB) is
+ * calculated.  This has to be called during fluid_voice_start, after
+ * all modulators have been run on the voice once.  Also,
+ * voice->attenuation has to be initialized.
+ * (see fluid_voice_calculate_runtime_synthesis_parameters())
+ */
+static fluid_real_t
+fluid_voice_get_lower_boundary_for_attenuation(fluid_voice_t *voice)
+{
+    int i;
+    fluid_mod_t *mod;
+    fluid_real_t possible_att_reduction_cB = 0;
+    fluid_real_t lower_bound;
+
+    for(i = 0; i < voice->mod_count; i++)
+    {
+        mod = &voice->mod[i];
+
+        /* Modulator has attenuation as target and can change over time? */
+        if((mod->dest == GEN_ATTENUATION)
+                && ((mod->flags1 & FLUID_MOD_CC)
+                    || (mod->flags2 & FLUID_MOD_CC)
+                    || (mod->src1 == FLUID_MOD_CHANNELPRESSURE)
+                    || (mod->src1 == FLUID_MOD_KEYPRESSURE)
+                    || (mod->src1 == FLUID_MOD_PITCHWHEEL)
+                    || (mod->src2 == FLUID_MOD_CHANNELPRESSURE)
+                    || (mod->src2 == FLUID_MOD_KEYPRESSURE)
+                    || (mod->src2 == FLUID_MOD_PITCHWHEEL)))
+        {
+
+            fluid_real_t current_val = fluid_mod_get_value(mod, voice);
+            /* min_val is the possible minimum value for this modulator.
+               it depends of 3 things :
+               1)the minimum values of src1,src2 (i.e -1 if mapping is bipolar
+                 or 0 if mapping is unipolar).
+               2)the sign of amount.
+               3)absolute value of amount.
+
+               When at least one source mapping is bipolar:
+			     min_val is -|amount| regardless the sign of amount.
+               When both sources mapping are unipolar:
+                 min_val is -|amount|, if amount is negative.
+                 min_val is 0, if amount is positive
+             */
+            fluid_real_t min_val = fabs(mod->amount);
+
+            /* Can this modulator produce a negative contribution? */
+            if((mod->flags1 & FLUID_MOD_BIPOLAR)
+                    || (mod->flags2 & FLUID_MOD_BIPOLAR)
+                    || (mod->amount < 0))
+            {
+                min_val = -min_val; /* min_val = - |amount|*/
+            }
+            else
+            {
+                /* No negative value possible. But still, the minimum contribution is 0. */
+                min_val = 0;
+            }
+
+            /* For example:
+             * - current_val=100
+             * - min_val=-4000
+             * - possible reduction contribution of this modulator = current_val - min_val = 4100
+             */
+            if(current_val > min_val)
+            {
+                possible_att_reduction_cB += (current_val - min_val);
+            }
+        }
+    }
+
+    lower_bound = voice->attenuation - possible_att_reduction_cB;
+
+    /* SF2.01 specs do not allow negative attenuation */
+    if(lower_bound < 0)
+    {
+        lower_bound = 0;
+    }
+
+    return lower_bound;
+}
+
+
+
+
+int fluid_voice_set_param(fluid_voice_t *voice, int gen, fluid_real_t nrpn_value)
+{
+    voice->gen[gen].nrpn = nrpn_value;
+    voice->gen[gen].flags = GEN_SET;
+    fluid_voice_update_param(voice, gen);
+    return FLUID_OK;
+}
+
+int fluid_voice_set_gain(fluid_voice_t *voice, fluid_real_t gain)
+{
+    fluid_real_t left, right, reverb, chorus;
+
+    /* avoid division by zero*/
+    if(gain < 0.0000001f)
+    {
+        gain = 0.0000001f;
+    }
+
+    voice->synth_gain = gain;
+    left = fluid_voice_calculate_gain_amplitude(voice,
+            fluid_pan(voice->pan, 1) * fluid_balance(voice->balance, 1));
+    right = fluid_voice_calculate_gain_amplitude(voice,
+            fluid_pan(voice->pan, 0) * fluid_balance(voice->balance, 0));
+    reverb = fluid_voice_calculate_gain_amplitude(voice, voice->reverb_send);
+    chorus = fluid_voice_calculate_gain_amplitude(voice, voice->chorus_send);
+
+    UPDATE_RVOICE_R1(fluid_rvoice_set_synth_gain, gain);
+    UPDATE_RVOICE_BUFFERS_AMP(fluid_rvoice_buffers_set_amp, 0, left);
+    UPDATE_RVOICE_BUFFERS_AMP(fluid_rvoice_buffers_set_amp, 1, right);
+    UPDATE_RVOICE_BUFFERS_AMP(fluid_rvoice_buffers_set_amp, 2, reverb);
+    UPDATE_RVOICE_BUFFERS_AMP(fluid_rvoice_buffers_set_amp, 3, chorus);
+
+    return FLUID_OK;
+}
+
+/* - Scan the loop
+ * - determine the peak level
+ * - Calculate, what factor will make the loop inaudible
+ * - Store in sample
+ */
+
+/**
+ * Calculate the peak volume of a sample for voice off optimization.
+ *
+ * @param s Sample to optimize
+ * @return #FLUID_OK on success, #FLUID_FAILED otherwise
+ *
+ * If the peak volume during the loop is known, then the voice can
+ * be released earlier during the release phase. Otherwise, the
+ * voice will operate (inaudibly), until the envelope is at the
+ * nominal turnoff point.  So it's a good idea to call
+ * fluid_voice_optimize_sample() on each sample once.
+ */
+int
+fluid_voice_optimize_sample(fluid_sample_t *s)
+{
+    int32_t peak_max = 0;
+    int32_t peak_min = 0;
+    int32_t peak;
+    fluid_real_t normalized_amplitude_during_loop;
+    double result;
+    unsigned int i;
+
+    /* ignore disabled samples */
+    if(s->start == s->end)
+    {
+        return (FLUID_OK);
+    }
+
+    if(!s->amplitude_that_reaches_noise_floor_is_valid)    /* Only once */
+    {
+        /* Scan the loop */
+        for(i = s->loopstart; i < s->loopend; i++)
+        {
+            int32_t val = fluid_rvoice_get_sample(s->data, s->data24, i);
+
+            if(val > peak_max)
+            {
+                peak_max = val;
+            }
+            else if(val < peak_min)
+            {
+                peak_min = val;
+            }
+        }
+
+        /* Determine the peak level */
+        if(peak_max > -peak_min)
+        {
+            peak = peak_max;
+        }
+        else
+        {
+            peak = -peak_min;
+        }
+
+        if(peak == 0)
+        {
+            /* Avoid division by zero */
+            peak = 1;
+        }
+
+        /* Calculate what factor will make the loop inaudible
+         * For example: Take a peak of 3277 (10 % of 32768).  The
+         * normalized amplitude is 0.1 (10 % of 32768).  An amplitude
+         * factor of 0.0001 (as opposed to the default 0.00001) will
+         * drop this sample to the noise floor.
+         */
+
+        /* 16 bits => 96+4=100 dB dynamic range => 0.00001 */
+        normalized_amplitude_during_loop = ((fluid_real_t)peak) / (INT24_MAX * 1.0f);
+        result = FLUID_NOISE_FLOOR / normalized_amplitude_during_loop;
+
+        /* Store in sample */
+        s->amplitude_that_reaches_noise_floor = (double)result;
+        s->amplitude_that_reaches_noise_floor_is_valid = 1;
+#if 0
+        printf("Sample peak detection: factor %f\n", (double)result);
+#endif
+    }
+
+    return FLUID_OK;
+}
+
+float
+fluid_voice_get_overflow_prio(fluid_voice_t *voice,
+                              fluid_overflow_prio_t *score,
+                              unsigned int cur_time)
+{
+    float this_voice_prio = 0;
+    int channel;
+
+    /* Are we already overflowing? */
+    if(!voice->can_access_overflow_rvoice)
+    {
+        return OVERFLOW_PRIO_CANNOT_KILL;
+    }
+
+    /* Is this voice on the drum channel?
+     * Then it is very important.
+     * Also skip the released and sustained scores.
+     */
+    if(voice->channel->channel_type == CHANNEL_TYPE_DRUM)
+    {
+        this_voice_prio += score->percussion;
+    }
+    else if(voice->has_noteoff)
+    {
+        /* Noteoff has */
+        this_voice_prio += score->released;
+    }
+    else if(fluid_voice_is_sustained(voice) || fluid_voice_is_sostenuto(voice))
+    {
+        /* This voice is still active, since the sustain pedal is held down.
+         * Consider it less important than non-sustained channels.
+         * This decision is somehow subjective. But usually the sustain pedal
+         * is used to play 'more-voices-than-fingers', so it shouldn't hurt
+         * if we kill one voice.
+         */
+        this_voice_prio += score->sustained;
+    }
+
+    /* We are not enthusiastic about releasing voices, which have just been started.
+     * Otherwise hitting a chord may result in killing notes belonging to that very same
+     * chord. So give newer voices a higher score. */
+    if(score->age)
+    {
+        cur_time -= voice->start_time;
+
+        if(cur_time < 1)
+        {
+            cur_time = 1; // Avoid div by zero
+        }
+
+        this_voice_prio += (score->age * voice->output_rate) / cur_time;
+    }
+
+    /* take a rough estimate of loudness into account. Louder voices are more important. */
+    if(score->volume)
+    {
+        fluid_real_t a = voice->attenuation;
+
+        if(voice->has_noteoff)
+        {
+            // FIXME: Should take into account where on the envelope we are...?
+        }
+
+        if(a < 0.1f)
+        {
+            a = 0.1f; // Avoid div by zero
+        }
+
+        this_voice_prio += score->volume / a;
+    }
+
+    /* Check if this voice is on an important channel. If so, then add the
+     * score for important channels */
+    channel = fluid_voice_get_channel(voice);
+
+    if(channel < score->num_important_channels && score->important_channels[channel])
+    {
+        this_voice_prio += score->important;
+    }
+
+    return this_voice_prio;
+}
+
+
+void fluid_voice_set_custom_filter(fluid_voice_t *voice, enum fluid_iir_filter_type type, enum fluid_iir_filter_flags flags)
+{
+    UPDATE_RVOICE_GENERIC_I2(fluid_iir_filter_init, &voice->rvoice->resonant_custom_filter, type, flags);
+}
+
diff --git a/libs/fluidsynth/src/synth/fluid_voice.h b/libs/fluidsynth/src/synth/fluid_voice.h
new file mode 100644
index 00000000000..4ce6c2b7ab5
--- /dev/null
+++ b/libs/fluidsynth/src/synth/fluid_voice.h
@@ -0,0 +1,198 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+
+#ifndef _FLUID_VOICE_H
+#define _FLUID_VOICE_H
+
+#include "fluid_phase.h"
+#include "fluid_gen.h"
+#include "fluid_mod.h"
+#include "fluid_iir_filter.h"
+#include "fluid_adsr_env.h"
+#include "fluid_lfo.h"
+#include "fluid_rvoice.h"
+#include "fluid_rvoice_event.h"
+
+#define NO_CHANNEL             0xff
+
+typedef struct _fluid_overflow_prio_t fluid_overflow_prio_t;
+
+struct _fluid_overflow_prio_t
+{
+    float percussion; /**< Is this voice on the drum channel? Then add this score */
+    float released; /**< Is this voice in release stage? Then add this score (usually negative) */
+    float sustained; /**< Is this voice sustained? Then add this score (usually negative) */
+    float volume; /**< Multiply current (or future) volume (a value between 0 and 1) */
+    float age; /**< This score will be divided by the number of seconds the voice has lasted */
+    float important; /**< This score will be added to all important channels */
+    char *important_channels; /**< "important" flags indexed by MIDI channel number */
+    int num_important_channels; /**< Number of elements in the important_channels array */
+};
+
+enum fluid_voice_status
+{
+    FLUID_VOICE_CLEAN,
+    FLUID_VOICE_ON,
+    FLUID_VOICE_SUSTAINED,         /* Sustained by Sustain pedal */
+    FLUID_VOICE_HELD_BY_SOSTENUTO, /* Sustained by Sostenuto pedal */
+    FLUID_VOICE_OFF
+};
+
+
+/*
+ * fluid_voice_t
+ */
+struct _fluid_voice_t
+{
+    unsigned int id;                /* the id is incremented for every new noteon.
+					   it's used for noteoff's  */
+    unsigned char status;
+    unsigned char chan;             /* the channel number, quick access for channel messages */
+    unsigned char key;              /* the key of the noteon event, quick access for noteoff */
+    unsigned char vel;              /* the velocity of the noteon event */
+    fluid_channel_t *channel;
+    fluid_rvoice_eventhandler_t *eventhandler;
+    fluid_zone_range_t *zone_range;  /* instrument zone range*/
+    fluid_sample_t *sample;          /* Pointer to sample (dupe in rvoice) */
+    fluid_sample_t *overflow_sample; /* Pointer to sample (dupe in overflow_rvoice) */
+
+    unsigned int start_time;
+    int mod_count;
+    fluid_mod_t mod[FLUID_NUM_MOD];
+    fluid_gen_t gen[GEN_LAST];
+
+    /* basic parameters */
+    fluid_real_t output_rate;        /* the sample rate of the synthesizer (dupe in rvoice) */
+
+    /* basic parameters */
+    fluid_real_t pitch;              /* the pitch in midicents (dupe in rvoice) */
+    fluid_real_t attenuation;        /* the attenuation in centibels (dupe in rvoice) */
+    fluid_real_t root_pitch;
+
+    /* master gain (dupe in rvoice) */
+    fluid_real_t synth_gain;
+
+    /* pan */
+    fluid_real_t pan;
+
+    /* balance */
+    fluid_real_t balance;
+
+    /* reverb */
+    fluid_real_t reverb_send;
+
+    /* chorus */
+    fluid_real_t chorus_send;
+
+    /* rvoice control */
+    fluid_rvoice_t *rvoice;
+    fluid_rvoice_t *overflow_rvoice; /* Used temporarily and only in overflow situations */
+    char can_access_rvoice; /* False if rvoice is being rendered in separate thread */
+    char can_access_overflow_rvoice; /* False if overflow_rvoice is being rendered in separate thread */
+    char has_noteoff; /* Flag set when noteoff has been sent */
+
+#ifdef WITH_PROFILING
+    /* for debugging */
+    double ref;
+#endif
+};
+
+
+fluid_voice_t *new_fluid_voice(fluid_rvoice_eventhandler_t *handler, fluid_real_t output_rate);
+void delete_fluid_voice(fluid_voice_t *voice);
+
+void fluid_voice_start(fluid_voice_t *voice);
+void  fluid_voice_calculate_gen_pitch(fluid_voice_t *voice);
+
+int fluid_voice_init(fluid_voice_t *voice, fluid_sample_t *sample,
+                     fluid_zone_range_t *inst_zone_range,
+                     fluid_channel_t *channel, int key, int vel,
+                     unsigned int id, unsigned int time, fluid_real_t gain);
+
+int fluid_voice_modulate(fluid_voice_t *voice, int cc, int ctrl);
+int fluid_voice_modulate_all(fluid_voice_t *voice);
+
+/** Set the NRPN value of a generator. */
+int fluid_voice_set_param(fluid_voice_t *voice, int gen, fluid_real_t value);
+
+
+/** Set the gain. */
+int fluid_voice_set_gain(fluid_voice_t *voice, fluid_real_t gain);
+
+void fluid_voice_set_output_rate(fluid_voice_t *voice, fluid_real_t value);
+
+
+/** Update all the synthesis parameters, which depend on generator
+    'gen'. This is only necessary after changing a generator of an
+    already operating voice.  Most applications will not need this
+    function.*/
+void fluid_voice_update_param(fluid_voice_t *voice, int gen);
+
+/** legato modes */
+/* force in the attack section for legato mode multi_retrigger: 1 */
+void fluid_voice_update_multi_retrigger_attack(fluid_voice_t *voice, int tokey, int vel);
+/* Update portamento parameter */
+void fluid_voice_update_portamento(fluid_voice_t *voice, int fromkey, int tokey);
+
+
+void fluid_voice_release(fluid_voice_t *voice);
+void fluid_voice_noteoff(fluid_voice_t *voice);
+void fluid_voice_off(fluid_voice_t *voice);
+void fluid_voice_stop(fluid_voice_t *voice);
+void fluid_voice_add_mod_local(fluid_voice_t *voice, fluid_mod_t *mod, int mode, int check_limit_count);
+void fluid_voice_overflow_rvoice_finished(fluid_voice_t *voice);
+
+int fluid_voice_kill_excl(fluid_voice_t *voice);
+float fluid_voice_get_overflow_prio(fluid_voice_t *voice,
+                                    fluid_overflow_prio_t *score,
+                                    unsigned int cur_time);
+
+#define OVERFLOW_PRIO_CANNOT_KILL 999999.
+
+/**
+ * Locks the rvoice for rendering, so it can't be modified directly
+ */
+static FLUID_INLINE void
+fluid_voice_lock_rvoice(fluid_voice_t *voice)
+{
+    voice->can_access_rvoice = 0;
+}
+
+/**
+ * Unlocks the rvoice for rendering, so it can be modified directly
+ */
+static FLUID_INLINE void
+fluid_voice_unlock_rvoice(fluid_voice_t *voice)
+{
+    voice->can_access_rvoice = 1;
+}
+
+#define _AVAILABLE(voice)  ((voice)->can_access_rvoice && \
+ (((voice)->status == FLUID_VOICE_CLEAN) || ((voice)->status == FLUID_VOICE_OFF)))
+//#define _RELEASED(voice)  ((voice)->chan == NO_CHANNEL)
+#define _SAMPLEMODE(voice) ((int)(voice)->gen[GEN_SAMPLEMODE].val)
+
+
+fluid_real_t fluid_voice_gen_value(const fluid_voice_t *voice, int num);
+void fluid_voice_set_custom_filter(fluid_voice_t *voice, enum fluid_iir_filter_type type, enum fluid_iir_filter_flags flags);
+
+
+#endif /* _FLUID_VOICE_H */
diff --git a/libs/fluidsynth/src/utils/fluid_conv.c b/libs/fluidsynth/src/utils/fluid_conv.c
new file mode 100644
index 00000000000..28740ea4f1a
--- /dev/null
+++ b/libs/fluidsynth/src/utils/fluid_conv.c
@@ -0,0 +1,334 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#include "fluid_conv.h"
+#include "fluid_sys.h"
+#include "fluid_conv_tables.inc.h"
+
+/*
+ * Converts absolute cents to Hertz
+ * 
+ * As per sfspec section 9.3:
+ * 
+ * ABSOLUTE CENTS - An absolute logarithmic measure of frequency based on a
+ * reference of MIDI key number scaled by 100.
+ * A cent is 1/1200 of an octave [which is the twelve hundredth root of two],
+ * and value 6900 is 440 Hz (A-440).
+ * 
+ * Implemented below basically is the following:
+ *   440 * 2^((cents-6900)/1200)
+ * = 440 * 2^((int)((cents-6900)/1200)) * 2^(((int)cents-6900)%1200))
+ * = 2^((int)((cents-6900)/1200)) * (440 * 2^(((int)cents-6900)%1200)))
+ *                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ *                           This second factor is stored in the lookup table.
+ *
+ * The first factor can be implemented with a fast shift when the exponent
+ * is always an int. This is the case when using 440/2^6 Hz rather than 440Hz
+ * reference.
+ */
+fluid_real_t
+fluid_ct2hz_real(fluid_real_t cents)
+{
+    if(FLUID_UNLIKELY(cents < 0))
+    {
+        return fluid_act2hz(cents);
+    }
+    else
+    {
+        unsigned int mult, fac, rem;
+        unsigned int icents = (unsigned int)cents;
+        icents += 300u;
+
+        // don't use stdlib div() here, it turned out have poor performance
+        fac = icents / 1200u;
+        rem = icents % 1200u;
+
+        // Think of "mult" as the factor that we multiply (440/2^6)Hz with,
+        // or in other words mult is the "first factor" of the above
+        // functions comment.
+        //
+        // Assuming sizeof(uint)==4 this will give us a maximum range of
+        // 32 * 1200cents - 300cents == 38100 cents == 29,527,900,160 Hz
+        // which is much more than ever needed. For bigger values, just
+        // safely wrap around (the & is just a replacement for the quick
+        // modulo operation % 32).
+        mult = 1u << (fac & (sizeof(mult)*8u - 1u));
+
+        // don't use ldexp() either (poor performance)
+        return mult * fluid_ct2hz_tab[rem];
+    }
+}
+
+/*
+ * fluid_ct2hz
+ */
+fluid_real_t
+fluid_ct2hz(fluid_real_t cents)
+{
+    /* Filter fc limit: SF2.01 page 48 # 8 */
+    if(cents >= 13500)
+    {
+        cents = 13500;             /* 20 kHz */
+    }
+    else if(cents < 1500)
+    {
+        cents = 1500;              /* 20 Hz */
+    }
+
+    return fluid_ct2hz_real(cents);
+}
+
+/*
+ * fluid_cb2amp
+ *
+ * in: a value between 0 and 1440, 0 is no attenuation
+ * out: a value between 1 and 0
+ */
+fluid_real_t
+fluid_cb2amp(fluid_real_t cb)
+{
+    /*
+     * cb: an attenuation in 'centibels' (1/10 dB)
+     * SF2.01 page 49 # 48 limits it to 144 dB.
+     * 96 dB is reasonable for 16 bit systems, 144 would make sense for 24 bit.
+     */
+
+    /* minimum attenuation: 0 dB */
+    if(cb < 0)
+    {
+        return 1.0;
+    }
+
+    if(cb >= FLUID_CB_AMP_SIZE)
+    {
+        return 0.0;
+    }
+
+    return fluid_cb2amp_tab[(int) cb];
+}
+
+/*
+ * fluid_tc2sec_delay
+ */
+fluid_real_t
+fluid_tc2sec_delay(fluid_real_t tc)
+{
+    /* SF2.01 section 8.1.2 items 21, 23, 25, 33
+     * SF2.01 section 8.1.3 items 21, 23, 25, 33
+     *
+     * The most negative number indicates a delay of 0. Range is limited
+     * from -12000 to 5000 */
+    if(tc <= -32768.0f)
+    {
+        return (fluid_real_t) 0.0f;
+    };
+
+    if(tc < -12000.f)
+    {
+        tc = (fluid_real_t) -12000.0f;
+    }
+
+    if(tc > 5000.0f)
+    {
+        tc = (fluid_real_t) 5000.0f;
+    }
+
+    return FLUID_POW(2.f, tc / 1200.f);
+}
+
+/*
+ * fluid_tc2sec_attack
+ */
+fluid_real_t
+fluid_tc2sec_attack(fluid_real_t tc)
+{
+    /* SF2.01 section 8.1.2 items 26, 34
+     * SF2.01 section 8.1.3 items 26, 34
+     * The most negative number indicates a delay of 0
+     * Range is limited from -12000 to 8000 */
+    if(tc <= -32768.f)
+    {
+        return (fluid_real_t) 0.f;
+    };
+
+    if(tc < -12000.f)
+    {
+        tc = (fluid_real_t) -12000.f;
+    };
+
+    if(tc > 8000.f)
+    {
+        tc = (fluid_real_t) 8000.f;
+    };
+
+    return FLUID_POW(2.f, tc / 1200.f);
+}
+
+/*
+ * fluid_tc2sec
+ */
+fluid_real_t
+fluid_tc2sec(fluid_real_t tc)
+{
+    /* No range checking here! */
+    return FLUID_POW(2.f, tc / 1200.f);
+}
+
+/*
+ * fluid_tc2sec_release
+ */
+fluid_real_t
+fluid_tc2sec_release(fluid_real_t tc)
+{
+    /* SF2.01 section 8.1.2 items 30, 38
+     * SF2.01 section 8.1.3 items 30, 38
+     * No 'most negative number' rule here!
+     * Range is limited from -12000 to 8000 */
+    if(tc <= -32768.f)
+    {
+        return (fluid_real_t) 0.f;
+    };
+
+    if(tc < -12000.f)
+    {
+        tc = (fluid_real_t) -12000.f;
+    };
+
+    if(tc > 8000.f)
+    {
+        tc = (fluid_real_t) 8000.f;
+    };
+
+    return FLUID_POW(2.f, tc / 1200.f);
+}
+
+/*
+ * fluid_act2hz
+ *
+ * Convert from absolute cents to Hertz
+ * 
+ * The inverse operation, converting from Hertz to cents, was unused and implemented as
+ *
+fluid_hz2ct(fluid_real_t f)
+{
+    return 6900.f + (1200.f / FLUID_M_LN2) * FLUID_LOGF(f / 440.0f));
+}
+ */
+double
+fluid_act2hz(double c)
+{
+    // do not use FLUID_POW, otherwise the unit tests will fail when compiled in single precision
+    return 8.1757989156437073336828122976032719176391831357 * pow(2.f, c / 1200.f);
+}
+
+/*
+ * fluid_pan
+ */
+fluid_real_t
+fluid_pan(fluid_real_t c, int left)
+{
+    if(left)
+    {
+        c = -c;
+    }
+
+    if(c <= -500.f)
+    {
+        return (fluid_real_t) 0.f;
+    }
+    else if(c >= 500.f)
+    {
+        return (fluid_real_t) 1.f;
+    }
+    else
+    {
+        return fluid_pan_tab[(int)(c) + 500];
+    }
+}
+
+/*
+ * Return the amount of attenuation based on the balance for the specified
+ * channel. If balance is negative (turned toward left channel, only the right
+ * channel is attenuated. If balance is positive, only the left channel is
+ * attenuated.
+ *
+ * @params balance left/right balance, range [-960;960] in absolute centibels
+ * @return amount of attenuation [0.0;1.0]
+ */
+fluid_real_t fluid_balance(fluid_real_t balance, int left)
+{
+    /* This is the most common case */
+    if(balance == 0.f)
+    {
+        return 1.0f;
+    }
+
+    if((left && balance < 0.f) || (!left && balance > 0.f))
+    {
+        return 1.0f;
+    }
+
+    if(balance < 0.f)
+    {
+        balance = -balance;
+    }
+
+    return fluid_cb2amp(balance);
+}
+
+/*
+ * fluid_concave
+ */
+fluid_real_t
+fluid_concave(fluid_real_t val)
+{
+    int ival = (int)val;
+    if(val < 0.f)
+    {
+        return 0.f;
+    }
+    else if (ival >= FLUID_VEL_CB_SIZE - 1)
+    {
+        return fluid_concave_tab[FLUID_VEL_CB_SIZE - 1];
+    }
+
+    return fluid_concave_tab[ival] + (fluid_concave_tab[ival + 1] - fluid_concave_tab[ival]) * (val - ival);
+}
+
+/*
+ * fluid_convex
+ */
+fluid_real_t
+fluid_convex(fluid_real_t val)
+{
+    int ival = (int)val;
+    if(val < 0.f)
+    {
+        return 0.f;
+    }
+    else if (ival >= FLUID_VEL_CB_SIZE - 1)
+    {
+        return fluid_convex_tab[FLUID_VEL_CB_SIZE - 1];
+    }
+
+    // interpolation between convex steps: fixes bad sounds with modenv and filter cutoff
+    return fluid_convex_tab[ival] + (fluid_convex_tab[ival + 1] - fluid_convex_tab[ival]) * (val - ival);
+}
+
diff --git a/libs/fluidsynth/src/utils/fluid_conv.h b/libs/fluidsynth/src/utils/fluid_conv.h
new file mode 100644
index 00000000000..985c02d0b38
--- /dev/null
+++ b/libs/fluidsynth/src/utils/fluid_conv.h
@@ -0,0 +1,40 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#ifndef _FLUID_CONV_H
+#define _FLUID_CONV_H
+
+#include "fluidsynth_priv.h"
+#include "utils/fluid_conv_tables.h"
+
+fluid_real_t fluid_ct2hz_real(fluid_real_t cents);
+fluid_real_t fluid_ct2hz(fluid_real_t cents);
+fluid_real_t fluid_cb2amp(fluid_real_t cb);
+fluid_real_t fluid_tc2sec(fluid_real_t tc);
+fluid_real_t fluid_tc2sec_delay(fluid_real_t tc);
+fluid_real_t fluid_tc2sec_attack(fluid_real_t tc);
+fluid_real_t fluid_tc2sec_release(fluid_real_t tc);
+double fluid_act2hz(double c);
+fluid_real_t fluid_pan(fluid_real_t c, int left);
+fluid_real_t fluid_balance(fluid_real_t balance, int left);
+fluid_real_t fluid_concave(fluid_real_t val);
+fluid_real_t fluid_convex(fluid_real_t val);
+
+#endif /* _FLUID_CONV_H */
diff --git a/libs/fluidsynth/src/utils/fluid_conv_tables.h b/libs/fluidsynth/src/utils/fluid_conv_tables.h
new file mode 100644
index 00000000000..8d1ae71540a
--- /dev/null
+++ b/libs/fluidsynth/src/utils/fluid_conv_tables.h
@@ -0,0 +1,41 @@
+
+#ifndef _FLUID_CONV_TABLES_H
+#define _FLUID_CONV_TABLES_H
+
+/*
+ Attenuation range in centibels.
+ Attenuation range is the dynamic range of the volume envelope generator
+ from 0 to the end of attack segment.
+ fluidsynth is a 24 bit synth, it could (should??) be 144 dB of attenuation.
+ However the spec makes no distinction between 16 or 24 bit synths, so use
+ 96 dB here.
+
+ Note about usefulness of 24 bits:
+ 1)Even fluidsynth is a 24 bit synth, this format is only relevant if
+ the sample format coming from the soundfont is 24 bits and the audio sample format
+ chosen by the application (audio.sample.format) is not 16 bits.
+
+ 2)When the sample soundfont is 16 bits, the internal 24 bits number have
+ 16 bits msb and lsb to 0. Consequently, at the DAC output, the dynamic range of
+ this 24 bit sample is reduced to the the dynamic of a 16 bits sample (ie 90 db)
+ even if this sample is produced by the audio driver using an audio sample format
+ compatible for a 24 bit DAC.
+
+ 3)When the audio sample format settings is 16 bits (audio.sample.format), the
+ audio driver will make use of a 16 bit DAC, and the dynamic will be reduced to 96 dB
+ even if the initial sample comes from a 24 bits soundfont.
+
+ In both cases (2) or (3), the real dynamic range is only 96 dB.
+
+ Other consideration for FLUID_NOISE_FLOOR related to case (1),(2,3):
+ - for case (1), FLUID_NOISE_FLOOR should be the noise floor for 24 bits (i.e -138 dB).
+ - for case (2) or (3), FLUID_NOISE_FLOOR should be the noise floor for 16 bits (i.e -90 dB).
+ */
+#define FLUID_PEAK_ATTENUATION  960.0f
+
+#define FLUID_CENTS_HZ_SIZE     1200
+#define FLUID_VEL_CB_SIZE       128
+#define FLUID_CB_AMP_SIZE       1441
+#define FLUID_PAN_SIZE          1002
+
+#endif
diff --git a/libs/fluidsynth/src/utils/fluid_hash.c b/libs/fluidsynth/src/utils/fluid_hash.c
new file mode 100644
index 00000000000..7efd0deddad
--- /dev/null
+++ b/libs/fluidsynth/src/utils/fluid_hash.c
@@ -0,0 +1,1407 @@
+/* GLIB - Library of useful routines for C programming
+ * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02110-1301, USA.
+ */
+
+/*
+ * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
+ * file for a list of people on the GLib Team.  See the ChangeLog
+ * files for a list of changes.  These files are distributed with
+ * GLib at ftp://ftp.gtk.org/pub/gtk/.
+ *
+ * Adapted for FluidSynth use by Josh Green <jgreen(a)users.sourceforge.net>
+ * September 8, 2009 from glib 2.18.4
+ */
+
+/*
+ * MT safe
+ */
+
+#include "fluid_sys.h"
+#include "fluid_hash.h"
+#include "fluid_list.h"
+
+
+#define HASH_TABLE_MIN_SIZE 11
+#define HASH_TABLE_MAX_SIZE 13845163
+
+
+typedef struct
+{
+    fluid_hashtable_t *hashtable;
+    fluid_hashnode_t *prev_node;
+    fluid_hashnode_t *node;
+    int position;
+    int pre_advanced;	// Boolean
+    int version;
+} RealIter;
+
+
+/* Excerpt from glib gprimes.c */
+
+static const unsigned int primes[] =
+{
+    11,
+    19,
+    37,
+    73,
+    109,
+    163,
+    251,
+    367,
+    557,
+    823,
+    1237,
+    1861,
+    2777,
+    4177,
+    6247,
+    9371,
+    14057,
+    21089,
+    31627,
+    47431,
+    71143,
+    106721,
+    160073,
+    240101,
+    360163,
+    540217,
+    810343,
+    1215497,
+    1823231,
+    2734867,
+    4102283,
+    6153409,
+    9230113,
+    13845163,
+};
+
+static const unsigned int nprimes = FLUID_N_ELEMENTS(primes);
+
+static unsigned int
+spaced_primes_closest(unsigned int num)
+{
+    unsigned int i;
+
+    for(i = 0; i < nprimes; i++)
+    {
+        if(primes[i] > num)
+        {
+            return primes[i];
+        }
+    }
+
+    return primes[nprimes - 1];
+}
+
+/* End excerpt from glib gprimes.c */
+
+
+/*
+ * @hashtable: our #fluid_hashtable_t
+ * @key: the key to lookup against
+ * @hash_return: optional key hash return location
+ * Return value: a pointer to the described #fluid_hashnode_t pointer
+ *
+ * Performs a lookup in the hash table.  Virtually all hash operations
+ * will use this function internally.
+ *
+ * This function first computes the hash value of the key using the
+ * user's hash function.
+ *
+ * If an entry in the table matching @key is found then this function
+ * returns a pointer to the pointer to that entry in the table.  In
+ * the case that the entry is at the head of a chain, this pointer
+ * will be an item in the nodes[] array.  In the case that the entry
+ * is not at the head of a chain, this pointer will be the ->next
+ * pointer on the node that precedes it.
+ *
+ * In the case that no matching entry exists in the table, a pointer
+ * to a %NULL pointer will be returned.  To insert a item, this %NULL
+ * pointer should be updated to point to the new #fluid_hashnode_t.
+ *
+ * If @hash_return is a pass-by-reference parameter.  If it is
+ * non-%NULL then the computed hash value is returned.  This is to
+ * save insertions from having to compute the hash record again for
+ * the new record.
+ */
+static FLUID_INLINE fluid_hashnode_t **
+fluid_hashtable_lookup_node(fluid_hashtable_t *hashtable, const void *key,
+                            unsigned int *hash_return)
+{
+    fluid_hashnode_t **node_ptr, *node;
+    unsigned int hash_value;
+
+    hash_value = (* hashtable->hash_func)(key);
+    node_ptr = &hashtable->nodes[hash_value % hashtable->size];
+
+    if(hash_return)
+    {
+        *hash_return = hash_value;
+    }
+
+    /* Hash table lookup needs to be fast.
+     *  We therefore remove the extra conditional of testing
+     *  whether to call the key_equal_func or not from
+     *  the inner loop.
+     *
+     *  Additional optimisation: first check if our full hash
+     *  values are equal so we can avoid calling the full-blown
+     *  key equality function in most cases.
+     */
+    if(hashtable->key_equal_func)
+    {
+        while((node = *node_ptr))
+        {
+            if(node->key_hash == hash_value &&
+                    hashtable->key_equal_func(node->key, key))
+            {
+                break;
+            }
+
+            node_ptr = &(*node_ptr)->next;
+        }
+    }
+    else
+    {
+        while((node = *node_ptr))
+        {
+            if(node->key == key)
+            {
+                break;
+            }
+
+            node_ptr = &(*node_ptr)->next;
+        }
+    }
+
+    return node_ptr;
+}
+
+/*
+ * @hashtable: our #fluid_hashtable_t
+ * @node_ptr_ptr: a pointer to the return value from
+ *   fluid_hashtable_lookup_node()
+ * @notify: %TRUE if the destroy notify handlers are to be called
+ *
+ * Removes a node from the hash table and updates the node count.  The
+ * node is freed.  No table resize is performed.
+ *
+ * If @notify is %TRUE then the destroy notify functions are called
+ * for the key and value of the hash node.
+ *
+ * @node_ptr_ptr is a pass-by-reference in/out parameter.  When the
+ * function is called, it should point to the pointer to the node to
+ * remove.  This level of indirection is required so that the pointer
+ * may be updated appropriately once the node has been removed.
+ *
+ * Before the function returns, the pointer at @node_ptr_ptr will be
+ * updated to point to the position in the table that contains the
+ * pointer to the "next" node in the chain.  This makes this function
+ * convenient to use from functions that iterate over the entire
+ * table.  If there is no further item in the chain then the
+ * #fluid_hashnode_t pointer will be %NULL (ie: **node_ptr_ptr == %NULL).
+ *
+ * Since the pointer in the table to the removed node is replaced with
+ * either a pointer to the next node or a %NULL pointer as
+ * appropriate, the pointer at the end of @node_ptr_ptr will never be
+ * modified at all.  Stay tuned. :)
+ */
+static void
+fluid_hashtable_remove_node(fluid_hashtable_t *hashtable,
+                            fluid_hashnode_t  ***node_ptr_ptr, int notify)
+{
+    fluid_hashnode_t **node_ptr, *node;
+
+    node_ptr = *node_ptr_ptr;
+    node = *node_ptr;
+
+    *node_ptr = node->next;
+
+    if(notify && hashtable->key_destroy_func)
+    {
+        hashtable->key_destroy_func(node->key);
+    }
+
+    if(notify && hashtable->value_destroy_func)
+    {
+        hashtable->value_destroy_func(node->value);
+    }
+
+    FLUID_FREE(node);
+
+    hashtable->nnodes--;
+}
+
+/*
+ * fluid_hashtable_remove_all_nodes:
+ * @hashtable: our #fluid_hashtable_t
+ * @notify: %TRUE if the destroy notify handlers are to be called
+ *
+ * Removes all nodes from the table.  Since this may be a precursor to
+ * freeing the table entirely, no resize is performed.
+ *
+ * If @notify is %TRUE then the destroy notify functions are called
+ * for the key and value of the hash node.
+ */
+static void
+fluid_hashtable_remove_all_nodes(fluid_hashtable_t *hashtable, int notify)
+{
+    fluid_hashnode_t **node_ptr;
+    int i;
+
+    for(i = 0; i < hashtable->size; i++)
+    {
+        for(node_ptr = &hashtable->nodes[i]; *node_ptr != NULL;)
+        {
+            fluid_hashtable_remove_node(hashtable, &node_ptr, notify);
+        }
+    }
+
+    hashtable->nnodes = 0;
+}
+
+/*
+ * fluid_hashtable_resize:
+ * @hashtable: our #fluid_hashtable_t
+ *
+ * Resizes the hash table to the optimal size based on the number of
+ * nodes currently held.  If you call this function then a resize will
+ * occur, even if one does not need to occur.  Use
+ * fluid_hashtable_maybe_resize() instead.
+ */
+static void
+fluid_hashtable_resize(fluid_hashtable_t *hashtable)
+{
+    fluid_hashnode_t **new_nodes;
+    fluid_hashnode_t *node;
+    fluid_hashnode_t *next;
+    unsigned int hash_val;
+    int new_size;
+    int i;
+
+    new_size = spaced_primes_closest(hashtable->nnodes);
+    new_size = (new_size < HASH_TABLE_MIN_SIZE) ? HASH_TABLE_MIN_SIZE :
+               ((new_size > HASH_TABLE_MAX_SIZE) ? HASH_TABLE_MAX_SIZE : new_size);
+
+    new_nodes = FLUID_ARRAY(fluid_hashnode_t *, new_size);
+
+    if(!new_nodes)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return;
+    }
+
+    FLUID_MEMSET(new_nodes, 0, new_size * sizeof(fluid_hashnode_t *));
+
+    for(i = 0; i < hashtable->size; i++)
+    {
+        for(node = hashtable->nodes[i]; node; node = next)
+        {
+            next = node->next;
+
+            hash_val = node->key_hash % new_size;
+
+            node->next = new_nodes[hash_val];
+            new_nodes[hash_val] = node;
+        }
+    }
+
+    FLUID_FREE(hashtable->nodes);
+    hashtable->nodes = new_nodes;
+    hashtable->size = new_size;
+}
+
+/*
+ * fluid_hashtable_maybe_resize:
+ * @hashtable: our #fluid_hashtable_t
+ *
+ * Resizes the hash table, if needed.
+ *
+ * Essentially, calls fluid_hashtable_resize() if the table has strayed
+ * too far from its ideal size for its number of nodes.
+ */
+static FLUID_INLINE void
+fluid_hashtable_maybe_resize(fluid_hashtable_t *hashtable)
+{
+    int nnodes = hashtable->nnodes;
+    int size = hashtable->size;
+
+    if((size >= 3 * nnodes && size > HASH_TABLE_MIN_SIZE) ||
+            (3 * size <= nnodes && size < HASH_TABLE_MAX_SIZE))
+    {
+        fluid_hashtable_resize(hashtable);
+    }
+}
+
+/**
+ * new_fluid_hashtable:
+ * @hash_func: a function to create a hash value from a key.
+ *   Hash values are used to determine where keys are stored within the
+ *   #fluid_hashtable_t data structure. The fluid_direct_hash(), fluid_int_hash() and
+ *   fluid_str_hash() functions are provided for some common types of keys.
+ *   If hash_func is %NULL, fluid_direct_hash() is used.
+ * @key_equal_func: a function to check two keys for equality.  This is
+ *   used when looking up keys in the #fluid_hashtable_t.  The fluid_direct_equal(),
+ *   fluid_int_equal() and fluid_str_equal() functions are provided for the most
+ *   common types of keys. If @key_equal_func is %NULL, keys are compared
+ *   directly in a similar fashion to fluid_direct_equal(), but without the
+ *   overhead of a function call.
+ *
+ * Creates a new #fluid_hashtable_t with a reference count of 1.
+ *
+ * Return value: a new #fluid_hashtable_t.
+ **/
+fluid_hashtable_t *
+new_fluid_hashtable(fluid_hash_func_t hash_func, fluid_equal_func_t key_equal_func)
+{
+    return new_fluid_hashtable_full(hash_func, key_equal_func, NULL, NULL);
+}
+
+
+/**
+ * new_fluid_hashtable_full:
+ * @hash_func: a function to create a hash value from a key.
+ * @key_equal_func: a function to check two keys for equality.
+ * @key_destroy_func: a function to free the memory allocated for the key
+ *   used when removing the entry from the #fluid_hashtable_t or %NULL if you
+ *   don't want to supply such a function.
+ * @value_destroy_func: a function to free the memory allocated for the
+ *   value used when removing the entry from the #fluid_hashtable_t or %NULL if
+ *   you don't want to supply such a function.
+ *
+ * Creates a new #fluid_hashtable_t like fluid_hashtable_new() with a reference count
+ * of 1 and allows to specify functions to free the memory allocated for the
+ * key and value that get called when removing the entry from the #fluid_hashtable_t.
+ *
+ * Return value: a new #fluid_hashtable_t.
+ **/
+fluid_hashtable_t *
+new_fluid_hashtable_full(fluid_hash_func_t hash_func,
+                         fluid_equal_func_t key_equal_func,
+                         fluid_destroy_notify_t key_destroy_func,
+                         fluid_destroy_notify_t value_destroy_func)
+{
+    fluid_hashtable_t *hashtable;
+
+    hashtable = FLUID_NEW(fluid_hashtable_t);
+
+    if(!hashtable)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return NULL;
+    }
+
+    hashtable->size               = HASH_TABLE_MIN_SIZE;
+    hashtable->nnodes             = 0;
+    hashtable->hash_func          = hash_func ? hash_func : fluid_direct_hash;
+    hashtable->key_equal_func     = key_equal_func;
+    fluid_atomic_int_set(&hashtable->ref_count, 1);
+    hashtable->key_destroy_func   = key_destroy_func;
+    hashtable->value_destroy_func = value_destroy_func;
+    hashtable->nodes              = FLUID_ARRAY(fluid_hashnode_t *, hashtable->size);
+    if(hashtable->nodes == NULL)
+    {
+        delete_fluid_hashtable(hashtable);
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return NULL;
+    }
+    FLUID_MEMSET(hashtable->nodes, 0, hashtable->size * sizeof(*hashtable->nodes));
+
+    return hashtable;
+}
+
+/**
+ * fluid_hashtable_iter_init:
+ * @iter: an uninitialized #fluid_hashtable_iter_t.
+ * @hashtable: a #fluid_hashtable_t.
+ *
+ * Initializes a key/value pair iterator and associates it with
+ * @hashtable. Modifying the hash table after calling this function
+ * invalidates the returned iterator.
+ * |[
+ * fluid_hashtable_iter_t iter;
+ * gpointer key, value;
+ *
+ * fluid_hashtable_iter_init (&iter, hashtable);
+ * while (fluid_hashtable_iter_next (&iter, &key, &value))
+ *   {
+ *     /* do something with key and value */
+ *   }
+ * ]|
+ *
+ * Since: 2.16
+ **/
+void
+fluid_hashtable_iter_init(fluid_hashtable_iter_t *iter,
+                          fluid_hashtable_t *hashtable)
+{
+    RealIter *ri = (RealIter *) iter;
+
+    fluid_return_if_fail(iter != NULL);
+    fluid_return_if_fail(hashtable != NULL);
+
+    ri->hashtable = hashtable;
+    ri->prev_node = NULL;
+    ri->node = NULL;
+    ri->position = -1;
+    ri->pre_advanced = FALSE;
+}
+
+/**
+ * fluid_hashtable_iter_next:
+ * @iter: an initialized #fluid_hashtable_iter_t.
+ * @key: a location to store the key, or %NULL.
+ * @value: a location to store the value, or %NULL.
+ *
+ * Advances @iter and retrieves the key and/or value that are now
+ * pointed to as a result of this advancement. If %FALSE is returned,
+ * @key and @value are not set, and the iterator becomes invalid.
+ *
+ * Return value: %FALSE if the end of the #fluid_hashtable_t has been reached.
+ *
+ * Since: 2.16
+ **/
+int
+fluid_hashtable_iter_next(fluid_hashtable_iter_t *iter, void **key,
+                          void **value)
+{
+    RealIter *ri = (RealIter *) iter;
+
+    fluid_return_val_if_fail(iter != NULL, FALSE);
+
+    if(ri->pre_advanced)
+    {
+        ri->pre_advanced = FALSE;
+
+        if(ri->node == NULL)
+        {
+            return FALSE;
+        }
+    }
+    else
+    {
+        if(ri->node != NULL)
+        {
+            ri->prev_node = ri->node;
+            ri->node = ri->node->next;
+        }
+
+        while(ri->node == NULL)
+        {
+            ri->position++;
+
+            if(ri->position >= ri->hashtable->size)
+            {
+                return FALSE;
+            }
+
+            ri->prev_node = NULL;
+            ri->node = ri->hashtable->nodes[ri->position];
+        }
+    }
+
+    if(key != NULL)
+    {
+        *key = ri->node->key;
+    }
+
+    if(value != NULL)
+    {
+        *value = ri->node->value;
+    }
+
+    return TRUE;
+}
+
+/**
+ * fluid_hashtable_iter_get_hash_table:
+ * @iter: an initialized #fluid_hashtable_iter_t.
+ *
+ * Returns the #fluid_hashtable_t associated with @iter.
+ *
+ * Return value: the #fluid_hashtable_t associated with @iter.
+ *
+ * Since: 2.16
+ **/
+fluid_hashtable_t *
+fluid_hashtable_iter_get_hash_table(fluid_hashtable_iter_t *iter)
+{
+    fluid_return_val_if_fail(iter != NULL, NULL);
+
+    return ((RealIter *) iter)->hashtable;
+}
+
+static void
+iter_remove_or_steal(RealIter *ri, int notify)
+{
+    fluid_hashnode_t *prev;
+    fluid_hashnode_t *node;
+    int position;
+
+    fluid_return_if_fail(ri != NULL);
+    fluid_return_if_fail(ri->node != NULL);
+
+    prev = ri->prev_node;
+    node = ri->node;
+    position = ri->position;
+
+    /* pre-advance the iterator since we will remove the node */
+
+    ri->node = ri->node->next;
+    /* ri->prev_node is still the correct previous node */
+
+    while(ri->node == NULL)
+    {
+        ri->position++;
+
+        if(ri->position >= ri->hashtable->size)
+        {
+            break;
+        }
+
+        ri->prev_node = NULL;
+        ri->node = ri->hashtable->nodes[ri->position];
+    }
+
+    ri->pre_advanced = TRUE;
+
+    /* remove the node */
+
+    if(prev != NULL)
+    {
+        prev->next = node->next;
+    }
+    else
+    {
+        ri->hashtable->nodes[position] = node->next;
+    }
+
+    if(notify)
+    {
+        if(ri->hashtable->key_destroy_func)
+        {
+            ri->hashtable->key_destroy_func(node->key);
+        }
+
+        if(ri->hashtable->value_destroy_func)
+        {
+            ri->hashtable->value_destroy_func(node->value);
+        }
+    }
+
+    FLUID_FREE(node);
+
+    ri->hashtable->nnodes--;
+}
+
+/**
+ * fluid_hashtable_iter_remove():
+ * @iter: an initialized #fluid_hashtable_iter_t.
+ *
+ * Removes the key/value pair currently pointed to by the iterator
+ * from its associated #fluid_hashtable_t. Can only be called after
+ * fluid_hashtable_iter_next() returned %TRUE, and cannot be called more
+ * than once for the same key/value pair.
+ *
+ * If the #fluid_hashtable_t was created using fluid_hashtable_new_full(), the
+ * key and value are freed using the supplied destroy functions, otherwise
+ * you have to make sure that any dynamically allocated values are freed
+ * yourself.
+ *
+ * Since: 2.16
+ **/
+void
+fluid_hashtable_iter_remove(fluid_hashtable_iter_t *iter)
+{
+    iter_remove_or_steal((RealIter *) iter, TRUE);
+}
+
+/**
+ * fluid_hashtable_iter_steal():
+ * @iter: an initialized #fluid_hashtable_iter_t.
+ *
+ * Removes the key/value pair currently pointed to by the iterator
+ * from its associated #fluid_hashtable_t, without calling the key and value
+ * destroy functions. Can only be called after
+ * fluid_hashtable_iter_next() returned %TRUE, and cannot be called more
+ * than once for the same key/value pair.
+ *
+ * Since: 2.16
+ **/
+void
+fluid_hashtable_iter_steal(fluid_hashtable_iter_t *iter)
+{
+    iter_remove_or_steal((RealIter *) iter, FALSE);
+}
+
+
+/**
+ * fluid_hashtable_ref:
+ * @hashtable: a valid #fluid_hashtable_t.
+ *
+ * Atomically increments the reference count of @hashtable by one.
+ * This function is MT-safe and may be called from any thread.
+ *
+ * Return value: the passed in #fluid_hashtable_t.
+ *
+ * Since: 2.10
+ **/
+fluid_hashtable_t *
+fluid_hashtable_ref(fluid_hashtable_t *hashtable)
+{
+    fluid_return_val_if_fail(hashtable != NULL, NULL);
+    fluid_return_val_if_fail(fluid_atomic_int_get(&hashtable->ref_count) > 0, hashtable);
+
+    fluid_atomic_int_add(&hashtable->ref_count, 1);
+    return hashtable;
+}
+
+/**
+ * fluid_hashtable_unref:
+ * @hashtable: a valid #fluid_hashtable_t.
+ *
+ * Atomically decrements the reference count of @hashtable by one.
+ * If the reference count drops to 0, all keys and values will be
+ * destroyed, and all memory allocated by the hash table is released.
+ * This function is MT-safe and may be called from any thread.
+ *
+ * Since: 2.10
+ **/
+void
+fluid_hashtable_unref(fluid_hashtable_t *hashtable)
+{
+    fluid_return_if_fail(hashtable != NULL);
+    fluid_return_if_fail(fluid_atomic_int_get(&hashtable->ref_count) > 0);
+
+    if(fluid_atomic_int_exchange_and_add(&hashtable->ref_count, -1) - 1 == 0)
+    {
+        fluid_hashtable_remove_all_nodes(hashtable, TRUE);
+        FLUID_FREE(hashtable->nodes);
+        FLUID_FREE(hashtable);
+    }
+}
+
+/**
+ * delete_fluid_hashtable:
+ * @hashtable: a #fluid_hashtable_t.
+ *
+ * Destroys all keys and values in the #fluid_hashtable_t and decrements its
+ * reference count by 1. If keys and/or values are dynamically allocated,
+ * you should either free them first or create the #fluid_hashtable_t with destroy
+ * notifiers using fluid_hashtable_new_full(). In the latter case the destroy
+ * functions you supplied will be called on all keys and values during the
+ * destruction phase.
+ **/
+void
+delete_fluid_hashtable(fluid_hashtable_t *hashtable)
+{
+    fluid_return_if_fail(hashtable != NULL);
+    fluid_return_if_fail(fluid_atomic_int_get(&hashtable->ref_count) > 0);
+
+    fluid_hashtable_remove_all(hashtable);
+    fluid_hashtable_unref(hashtable);
+}
+
+/**
+ * fluid_hashtable_lookup:
+ * @hashtable: a #fluid_hashtable_t.
+ * @key: the key to look up.
+ *
+ * Looks up a key in a #fluid_hashtable_t. Note that this function cannot
+ * distinguish between a key that is not present and one which is present
+ * and has the value %NULL. If you need this distinction, use
+ * fluid_hashtable_lookup_extended().
+ *
+ * Return value: the associated value, or %NULL if the key is not found.
+ **/
+void *
+fluid_hashtable_lookup(fluid_hashtable_t *hashtable, const void *key)
+{
+    fluid_hashnode_t *node;
+
+    fluid_return_val_if_fail(hashtable != NULL, NULL);
+
+    node = *fluid_hashtable_lookup_node(hashtable, key, NULL);
+
+    return node ? node->value : NULL;
+}
+
+/**
+ * fluid_hashtable_lookup_extended:
+ * @hashtable: a #fluid_hashtable_t.
+ * @lookup_key: the key to look up.
+ * @orig_key: returns the original key.
+ * @value: returns the value associated with the key.
+ *
+ * Looks up a key in the #fluid_hashtable_t, returning the original key and the
+ * associated value and a #gboolean which is %TRUE if the key was found. This
+ * is useful if you need to free the memory allocated for the original key,
+ * for example before calling fluid_hashtable_remove().
+ *
+ * Return value: %TRUE if the key was found in the #fluid_hashtable_t.
+ **/
+int
+fluid_hashtable_lookup_extended(fluid_hashtable_t *hashtable,
+                                const void *lookup_key,
+                                void **orig_key, void **value)
+{
+    fluid_hashnode_t *node;
+
+    fluid_return_val_if_fail(hashtable != NULL, FALSE);
+
+    node = *fluid_hashtable_lookup_node(hashtable, lookup_key, NULL);
+
+    if(node == NULL)
+    {
+        return FALSE;
+    }
+
+    if(orig_key)
+    {
+        *orig_key = node->key;
+    }
+
+    if(value)
+    {
+        *value = node->value;
+    }
+
+    return TRUE;
+}
+
+/*
+ * fluid_hashtable_insert_internal:
+ * @hashtable: our #fluid_hashtable_t
+ * @key: the key to insert
+ * @value: the value to insert
+ * @keep_new_key: if %TRUE and this key already exists in the table
+ *   then call the destroy notify function on the old key.  If %FALSE
+ *   then call the destroy notify function on the new key.
+ *
+ * Implements the common logic for the fluid_hashtable_insert() and
+ * fluid_hashtable_replace() functions.
+ *
+ * Do a lookup of @key.  If it is found, replace it with the new
+ * @value (and perhaps the new @key).  If it is not found, create a
+ * new node.
+ */
+static void
+fluid_hashtable_insert_internal(fluid_hashtable_t *hashtable, void *key,
+                                void *value, int keep_new_key)
+{
+    fluid_hashnode_t **node_ptr, *node;
+    unsigned int key_hash;
+
+    fluid_return_if_fail(hashtable != NULL);
+    fluid_return_if_fail(fluid_atomic_int_get(&hashtable->ref_count) > 0);
+
+    node_ptr = fluid_hashtable_lookup_node(hashtable, key, &key_hash);
+
+    if((node = *node_ptr))
+    {
+        if(keep_new_key)
+        {
+            if(hashtable->key_destroy_func)
+            {
+                hashtable->key_destroy_func(node->key);
+            }
+
+            node->key = key;
+        }
+        else
+        {
+            if(hashtable->key_destroy_func)
+            {
+                hashtable->key_destroy_func(key);
+            }
+        }
+
+        if(hashtable->value_destroy_func)
+        {
+            hashtable->value_destroy_func(node->value);
+        }
+
+        node->value = value;
+    }
+    else
+    {
+        node = FLUID_NEW(fluid_hashnode_t);
+
+        if(!node)
+        {
+            FLUID_LOG(FLUID_ERR, "Out of memory");
+            return;
+        }
+
+        node->key = key;
+        node->value = value;
+        node->key_hash = key_hash;
+        node->next = NULL;
+
+        *node_ptr = node;
+        hashtable->nnodes++;
+        fluid_hashtable_maybe_resize(hashtable);
+    }
+}
+
+/**
+ * fluid_hashtable_insert:
+ * @hashtable: a #fluid_hashtable_t.
+ * @key: a key to insert.
+ * @value: the value to associate with the key.
+ *
+ * Inserts a new key and value into a #fluid_hashtable_t.
+ *
+ * If the key already exists in the #fluid_hashtable_t its current value is replaced
+ * with the new value. If you supplied a @value_destroy_func when creating the
+ * #fluid_hashtable_t, the old value is freed using that function. If you supplied
+ * a @key_destroy_func when creating the #fluid_hashtable_t, the passed key is freed
+ * using that function.
+ **/
+void
+fluid_hashtable_insert(fluid_hashtable_t *hashtable, void *key, void *value)
+{
+    fluid_hashtable_insert_internal(hashtable, key, value, FALSE);
+}
+
+/**
+ * fluid_hashtable_replace:
+ * @hashtable: a #fluid_hashtable_t.
+ * @key: a key to insert.
+ * @value: the value to associate with the key.
+ *
+ * Inserts a new key and value into a #fluid_hashtable_t similar to
+ * fluid_hashtable_insert(). The difference is that if the key already exists
+ * in the #fluid_hashtable_t, it gets replaced by the new key. If you supplied a
+ * @value_destroy_func when creating the #fluid_hashtable_t, the old value is freed
+ * using that function. If you supplied a @key_destroy_func when creating the
+ * #fluid_hashtable_t, the old key is freed using that function.
+ **/
+void
+fluid_hashtable_replace(fluid_hashtable_t *hashtable, void *key, void *value)
+{
+    fluid_hashtable_insert_internal(hashtable, key, value, TRUE);
+}
+
+/*
+ * fluid_hashtable_remove_internal:
+ * @hashtable: our #fluid_hashtable_t
+ * @key: the key to remove
+ * @notify: %TRUE if the destroy notify handlers are to be called
+ * Return value: %TRUE if a node was found and removed, else %FALSE
+ *
+ * Implements the common logic for the fluid_hashtable_remove() and
+ * fluid_hashtable_steal() functions.
+ *
+ * Do a lookup of @key and remove it if it is found, calling the
+ * destroy notify handlers only if @notify is %TRUE.
+ */
+static int
+fluid_hashtable_remove_internal(fluid_hashtable_t *hashtable, const void *key,
+                                int notify)
+{
+    fluid_hashnode_t **node_ptr;
+
+    fluid_return_val_if_fail(hashtable != NULL, FALSE);
+
+    node_ptr = fluid_hashtable_lookup_node(hashtable, key, NULL);
+
+    if(*node_ptr == NULL)
+    {
+        return FALSE;
+    }
+
+    fluid_hashtable_remove_node(hashtable, &node_ptr, notify);
+    fluid_hashtable_maybe_resize(hashtable);
+
+    return TRUE;
+}
+
+/**
+ * fluid_hashtable_remove:
+ * @hashtable: a #fluid_hashtable_t.
+ * @key: the key to remove.
+ *
+ * Removes a key and its associated value from a #fluid_hashtable_t.
+ *
+ * If the #fluid_hashtable_t was created using fluid_hashtable_new_full(), the
+ * key and value are freed using the supplied destroy functions, otherwise
+ * you have to make sure that any dynamically allocated values are freed
+ * yourself.
+ *
+ * Return value: %TRUE if the key was found and removed from the #fluid_hashtable_t.
+ **/
+int
+fluid_hashtable_remove(fluid_hashtable_t *hashtable, const void *key)
+{
+    return fluid_hashtable_remove_internal(hashtable, key, TRUE);
+}
+
+/**
+ * fluid_hashtable_steal:
+ * @hashtable: a #fluid_hashtable_t.
+ * @key: the key to remove.
+ *
+ * Removes a key and its associated value from a #fluid_hashtable_t without
+ * calling the key and value destroy functions.
+ *
+ * Return value: %TRUE if the key was found and removed from the #fluid_hashtable_t.
+ **/
+int
+fluid_hashtable_steal(fluid_hashtable_t *hashtable, const void *key)
+{
+    return fluid_hashtable_remove_internal(hashtable, key, FALSE);
+}
+
+/**
+ * fluid_hashtable_remove_all:
+ * @hashtable: a #fluid_hashtable_t
+ *
+ * Removes all keys and their associated values from a #fluid_hashtable_t.
+ *
+ * If the #fluid_hashtable_t was created using fluid_hashtable_new_full(), the keys
+ * and values are freed using the supplied destroy functions, otherwise you
+ * have to make sure that any dynamically allocated values are freed
+ * yourself.
+ *
+ * Since: 2.12
+ **/
+void
+fluid_hashtable_remove_all(fluid_hashtable_t *hashtable)
+{
+    fluid_return_if_fail(hashtable != NULL);
+
+    fluid_hashtable_remove_all_nodes(hashtable, TRUE);
+    fluid_hashtable_maybe_resize(hashtable);
+}
+
+/**
+ * fluid_hashtable_steal_all:
+ * @hashtable: a #fluid_hashtable_t.
+ *
+ * Removes all keys and their associated values from a #fluid_hashtable_t
+ * without calling the key and value destroy functions.
+ *
+ * Since: 2.12
+ **/
+void
+fluid_hashtable_steal_all(fluid_hashtable_t *hashtable)
+{
+    fluid_return_if_fail(hashtable != NULL);
+
+    fluid_hashtable_remove_all_nodes(hashtable, FALSE);
+    fluid_hashtable_maybe_resize(hashtable);
+}
+
+/*
+ * fluid_hashtable_foreach_remove_or_steal:
+ * @hashtable: our #fluid_hashtable_t
+ * @func: the user's callback function
+ * @user_data: data for @func
+ * @notify: %TRUE if the destroy notify handlers are to be called
+ *
+ * Implements the common logic for fluid_hashtable_foreach_remove() and
+ * fluid_hashtable_foreach_steal().
+ *
+ * Iterates over every node in the table, calling @func with the key
+ * and value of the node (and @user_data).  If @func returns %TRUE the
+ * node is removed from the table.
+ *
+ * If @notify is true then the destroy notify handlers will be called
+ * for each removed node.
+ */
+static unsigned int
+fluid_hashtable_foreach_remove_or_steal(fluid_hashtable_t *hashtable,
+                                        fluid_hr_func_t func, void *user_data,
+                                        int notify)
+{
+    fluid_hashnode_t *node, **node_ptr;
+    unsigned int deleted = 0;
+    int i;
+
+    for(i = 0; i < hashtable->size; i++)
+    {
+        for(node_ptr = &hashtable->nodes[i]; (node = *node_ptr) != NULL;)
+        {
+            if((* func)(node->key, node->value, user_data))
+            {
+                fluid_hashtable_remove_node(hashtable, &node_ptr, notify);
+                deleted++;
+            }
+            else
+            {
+                node_ptr = &node->next;
+            }
+        }
+    }
+
+    fluid_hashtable_maybe_resize(hashtable);
+
+    return deleted;
+}
+
+#if 0
+/**
+ * fluid_hashtable_foreach_remove:
+ * @hashtable: a #fluid_hashtable_t.
+ * @func: the function to call for each key/value pair.
+ * @user_data: user data to pass to the function.
+ *
+ * Calls the given function for each key/value pair in the #fluid_hashtable_t.
+ * If the function returns %TRUE, then the key/value pair is removed from the
+ * #fluid_hashtable_t. If you supplied key or value destroy functions when creating
+ * the #fluid_hashtable_t, they are used to free the memory allocated for the removed
+ * keys and values.
+ *
+ * See #fluid_hashtable_iter_t for an alternative way to loop over the
+ * key/value pairs in the hash table.
+ *
+ * Return value: the number of key/value pairs removed.
+ **/
+static unsigned int
+fluid_hashtable_foreach_remove(fluid_hashtable_t *hashtable,
+                               fluid_hr_func_t func, void *user_data)
+{
+    fluid_return_val_if_fail(hashtable != NULL, 0);
+    fluid_return_val_if_fail(func != NULL, 0);
+
+    return fluid_hashtable_foreach_remove_or_steal(hashtable, func, user_data, TRUE);
+}
+#endif
+
+/**
+ * fluid_hashtable_foreach_steal:
+ * @hashtable: a #fluid_hashtable_t.
+ * @func: the function to call for each key/value pair.
+ * @user_data: user data to pass to the function.
+ *
+ * Calls the given function for each key/value pair in the #fluid_hashtable_t.
+ * If the function returns %TRUE, then the key/value pair is removed from the
+ * #fluid_hashtable_t, but no key or value destroy functions are called.
+ *
+ * See #fluid_hashtable_iter_t for an alternative way to loop over the
+ * key/value pairs in the hash table.
+ *
+ * Return value: the number of key/value pairs removed.
+ **/
+unsigned int
+fluid_hashtable_foreach_steal(fluid_hashtable_t *hashtable,
+                              fluid_hr_func_t func, void *user_data)
+{
+    fluid_return_val_if_fail(hashtable != NULL, 0);
+    fluid_return_val_if_fail(func != NULL, 0);
+
+    return fluid_hashtable_foreach_remove_or_steal(hashtable, func, user_data, FALSE);
+}
+
+/**
+ * fluid_hashtable_foreach:
+ * @hashtable: a #fluid_hashtable_t.
+ * @func: the function to call for each key/value pair.
+ * @user_data: user data to pass to the function.
+ *
+ * Calls the given function for each of the key/value pairs in the
+ * #fluid_hashtable_t.  The function is passed the key and value of each
+ * pair, and the given @user_data parameter.  The hash table may not
+ * be modified while iterating over it (you can't add/remove
+ * items). To remove all items matching a predicate, use
+ * fluid_hashtable_foreach_remove().
+ *
+ * See fluid_hashtable_find() for performance caveats for linear
+ * order searches in contrast to fluid_hashtable_lookup().
+ **/
+void
+fluid_hashtable_foreach(fluid_hashtable_t *hashtable, fluid_hr_func_t func,
+                        void *user_data)
+{
+    fluid_hashnode_t *node;
+    int i;
+
+    fluid_return_if_fail(hashtable != NULL);
+    fluid_return_if_fail(func != NULL);
+
+    for(i = 0; i < hashtable->size; i++)
+    {
+        for(node = hashtable->nodes[i]; node; node = node->next)
+        {
+            (* func)(node->key, node->value, user_data);
+        }
+    }
+}
+
+/**
+ * fluid_hashtable_find:
+ * @hashtable: a #fluid_hashtable_t.
+ * @predicate:  function to test the key/value pairs for a certain property.
+ * @user_data:  user data to pass to the function.
+ *
+ * Calls the given function for key/value pairs in the #fluid_hashtable_t until
+ * @predicate returns %TRUE.  The function is passed the key and value of
+ * each pair, and the given @user_data parameter. The hash table may not
+ * be modified while iterating over it (you can't add/remove items).
+ *
+ * Note, that hash tables are really only optimized for forward lookups,
+ * i.e. fluid_hashtable_lookup().
+ * So code that frequently issues fluid_hashtable_find() or
+ * fluid_hashtable_foreach() (e.g. in the order of once per every entry in a
+ * hash table) should probably be reworked to use additional or different
+ * data structures for reverse lookups (keep in mind that an O(n) find/foreach
+ * operation issued for all n values in a hash table ends up needing O(n*n)
+ * operations).
+ *
+ * Return value: The value of the first key/value pair is returned, for which
+ * func evaluates to %TRUE. If no pair with the requested property is found,
+ * %NULL is returned.
+ *
+ * Since: 2.4
+ **/
+void *
+fluid_hashtable_find(fluid_hashtable_t *hashtable, fluid_hr_func_t predicate,
+                     void *user_data)
+{
+    fluid_hashnode_t *node;
+    int i;
+
+    fluid_return_val_if_fail(hashtable != NULL, NULL);
+    fluid_return_val_if_fail(predicate != NULL, NULL);
+
+    for(i = 0; i < hashtable->size; i++)
+    {
+        for(node = hashtable->nodes[i]; node; node = node->next)
+        {
+            if(predicate(node->key, node->value, user_data))
+            {
+                return node->value;
+            }
+        }
+    }
+
+    return NULL;
+}
+
+/**
+ * fluid_hashtable_size:
+ * @hashtable: a #fluid_hashtable_t.
+ *
+ * Returns the number of elements contained in the #fluid_hashtable_t.
+ *
+ * Return value: the number of key/value pairs in the #fluid_hashtable_t.
+ **/
+unsigned int
+fluid_hashtable_size(fluid_hashtable_t *hashtable)
+{
+    fluid_return_val_if_fail(hashtable != NULL, 0);
+
+    return hashtable->nnodes;
+}
+
+/**
+ * fluid_hashtable_get_keys:
+ * @hashtable: a #fluid_hashtable_t
+ *
+ * Retrieves every key inside @hashtable. The returned data is valid
+ * until @hashtable is modified.
+ *
+ * Return value: a #GList containing all the keys inside the hash
+ *   table. The content of the list is owned by the hash table and
+ *   should not be modified or freed. Use delete_fluid_list() when done
+ *   using the list.
+ *
+ * Since: 2.14
+ */
+fluid_list_t *
+fluid_hashtable_get_keys(fluid_hashtable_t *hashtable)
+{
+    fluid_hashnode_t *node;
+    int i;
+    fluid_list_t *retval;
+
+    fluid_return_val_if_fail(hashtable != NULL, NULL);
+
+    retval = NULL;
+
+    for(i = 0; i < hashtable->size; i++)
+    {
+        for(node = hashtable->nodes[i]; node; node = node->next)
+        {
+            retval = fluid_list_prepend(retval, node->key);
+        }
+    }
+
+    return retval;
+}
+
+/**
+ * fluid_hashtable_get_values:
+ * @hashtable: a #fluid_hashtable_t
+ *
+ * Retrieves every value inside @hashtable. The returned data is
+ * valid until @hashtable is modified.
+ *
+ * Return value: a #GList containing all the values inside the hash
+ *   table. The content of the list is owned by the hash table and
+ *   should not be modified or freed. Use delete_fluid_list() when done
+ *   using the list.
+ *
+ * Since: 2.14
+ */
+fluid_list_t *
+fluid_hashtable_get_values(fluid_hashtable_t *hashtable)
+{
+    fluid_hashnode_t *node;
+    int i;
+    fluid_list_t *retval;
+
+    fluid_return_val_if_fail(hashtable != NULL, NULL);
+
+    retval = NULL;
+
+    for(i = 0; i < hashtable->size; i++)
+    {
+        for(node = hashtable->nodes[i]; node; node = node->next)
+        {
+            retval = fluid_list_prepend(retval, node->value);
+        }
+    }
+
+    return retval;
+}
+
+
+/* Extracted from glib/gstring.c */
+
+
+/**
+ * fluid_str_equal:
+ * @v1: a key
+ * @v2: a key to compare with @v1
+ *
+ * Compares two strings for byte-by-byte equality and returns %TRUE
+ * if they are equal. It can be passed to new_fluid_hashtable() as the
+ * @key_equal_func parameter, when using strings as keys in a #Ghashtable.
+ *
+ * Returns: %TRUE if the two keys match
+ */
+int
+fluid_str_equal(const void *v1, const void *v2)
+{
+    const char *string1 = v1;
+    const char *string2 = v2;
+
+    return FLUID_STRCMP(string1, string2) == 0;
+}
+
+/**
+ * fluid_str_hash:
+ * @v: a string key
+ *
+ * Converts a string to a hash value.
+ * It can be passed to new_fluid_hashtable() as the @hash_func
+ * parameter, when using strings as keys in a #fluid_hashtable_t.
+ *
+ * Returns: a hash value corresponding to the key
+ */
+unsigned int
+fluid_str_hash(const void *v)
+{
+    /* 31 bit hash function */
+    const signed char *p = v;
+    uint32_t h = *p;
+
+    if(h)
+    {
+        for(p += 1; *p != '\0'; p++)
+        {
+            h = (h << 5) - h + *p;
+        }
+    }
+
+    return h;
+}
+
+
+/* Extracted from glib/gutils.c */
+
+
+/**
+ * fluid_direct_equal:
+ * @v1: a key.
+ * @v2: a key to compare with @v1.
+ *
+ * Compares two #gpointer arguments and returns %TRUE if they are equal.
+ * It can be passed to new_fluid_hashtable() as the @key_equal_func
+ * parameter, when using pointers as keys in a #fluid_hashtable_t.
+ *
+ * Returns: %TRUE if the two keys match.
+ */
+int
+fluid_direct_equal(const void *v1, const void *v2)
+{
+    return v1 == v2;
+}
+
+/**
+ * fluid_direct_hash:
+ * @v: a void * key
+ *
+ * Converts a gpointer to a hash value.
+ * It can be passed to g_hashtable_new() as the @hash_func parameter,
+ * when using pointers as keys in a #fluid_hashtable_t.
+ *
+ * Returns: a hash value corresponding to the key.
+ */
+unsigned int
+fluid_direct_hash(const void *v)
+{
+    return FLUID_POINTER_TO_UINT(v);
+}
+
+/**
+ * fluid_int_equal:
+ * @v1: a pointer to a int key.
+ * @v2: a pointer to a int key to compare with @v1.
+ *
+ * Compares the two #gint values being pointed to and returns
+ * %TRUE if they are equal.
+ * It can be passed to g_hashtable_new() as the @key_equal_func
+ * parameter, when using pointers to integers as keys in a #fluid_hashtable_t.
+ *
+ * Returns: %TRUE if the two keys match.
+ */
+int
+fluid_int_equal(const void *v1, const void *v2)
+{
+    return *((const int *) v1) == *((const int *) v2);
+}
+
+/**
+ * fluid_int_hash:
+ * @v: a pointer to a int key
+ *
+ * Converts a pointer to a #gint to a hash value.
+ * It can be passed to g_hashtable_new() as the @hash_func parameter,
+ * when using pointers to integers values as keys in a #fluid_hashtable_t.
+ *
+ * Returns: a hash value corresponding to the key.
+ */
+unsigned int
+fluid_int_hash(const void *v)
+{
+    return *(const int *) v;
+}
diff --git a/libs/fluidsynth/src/utils/fluid_hash.h b/libs/fluidsynth/src/utils/fluid_hash.h
new file mode 100644
index 00000000000..96b2471be51
--- /dev/null
+++ b/libs/fluidsynth/src/utils/fluid_hash.h
@@ -0,0 +1,131 @@
+/* GLIB - Library of useful routines for C programming
+ * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02110-1301, USA.
+ */
+
+/*
+ * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
+ * file for a list of people on the GLib Team.  See the ChangeLog
+ * files for a list of changes.  These files are distributed with
+ * GLib at ftp://ftp.gtk.org/pub/gtk/.
+ */
+
+/*
+ * Adapted for FluidSynth use by Josh Green <jgreen(a)users.sourceforge.net>
+ * September 8, 2009 from glib 2.18.4
+ *
+ * - Self contained (no dependencies on glib)
+ * - changed names to fluid_hashtable_...
+ */
+
+#ifndef _FLUID_HASH_H
+#define _FLUID_HASH_H
+
+#include "fluidsynth_priv.h"
+#include "fluid_list.h"
+#include "fluid_sys.h"
+
+/* Extracted from gtypes.h */
+typedef void (*fluid_destroy_notify_t)(void *data);
+typedef unsigned int (*fluid_hash_func_t)(const void *key);
+typedef int (*fluid_equal_func_t)(const void *a, const void *b);
+/* End gtypes.h extraction */
+
+typedef int (*fluid_hr_func_t)(void *key, void *value, void *user_data);
+typedef struct _fluid_hashtable_iter_t fluid_hashtable_iter_t;
+
+typedef struct _fluid_hashnode_t      fluid_hashnode_t;
+
+struct _fluid_hashnode_t
+{
+    void *key;
+    void *value;
+    fluid_hashnode_t *next;
+    unsigned int key_hash;
+};
+
+struct _fluid_hashtable_t
+{
+    int size;
+    int nnodes;
+    fluid_hashnode_t **nodes;
+    fluid_hash_func_t hash_func;
+    fluid_equal_func_t key_equal_func;
+    fluid_atomic_int_t ref_count;
+    fluid_destroy_notify_t key_destroy_func;
+    fluid_destroy_notify_t value_destroy_func;
+    fluid_rec_mutex_t mutex;          // Optionally used in other modules (fluid_settings.c for example)
+};
+
+struct _fluid_hashtable_iter_t
+{
+    /*< private >*/
+    void 	*dummy1;
+    void 	*dummy2;
+    void 	*dummy3;
+    int		dummy4;
+    int		dummy5;		// Bool
+    void 	*dummy6;
+};
+
+fluid_hashtable_t *new_fluid_hashtable(fluid_hash_func_t hash_func,
+                                       fluid_equal_func_t key_equal_func);
+fluid_hashtable_t *new_fluid_hashtable_full(fluid_hash_func_t hash_func,
+        fluid_equal_func_t key_equal_func,
+        fluid_destroy_notify_t key_destroy_func,
+        fluid_destroy_notify_t value_destroy_func);
+void delete_fluid_hashtable(fluid_hashtable_t *hashtable);
+
+void fluid_hashtable_iter_init(fluid_hashtable_iter_t *iter, fluid_hashtable_t *hashtable);
+int fluid_hashtable_iter_next(fluid_hashtable_iter_t *iter, void **key, void **value);
+fluid_hashtable_t *fluid_hashtable_iter_get_hash_table(fluid_hashtable_iter_t *iter);
+void fluid_hashtable_iter_remove(fluid_hashtable_iter_t *iter);
+void fluid_hashtable_iter_steal(fluid_hashtable_iter_t *iter);
+
+fluid_hashtable_t *fluid_hashtable_ref(fluid_hashtable_t *hashtable);
+void fluid_hashtable_unref(fluid_hashtable_t *hashtable);
+
+void *fluid_hashtable_lookup(fluid_hashtable_t *hashtable, const void *key);
+int fluid_hashtable_lookup_extended(fluid_hashtable_t *hashtable, const void *lookup_key,
+                                    void **orig_key, void **value);
+
+void fluid_hashtable_insert(fluid_hashtable_t *hashtable, void *key, void *value);
+void fluid_hashtable_replace(fluid_hashtable_t *hashtable, void *key, void *value);
+
+int fluid_hashtable_remove(fluid_hashtable_t *hashtable, const void *key);
+int fluid_hashtable_steal(fluid_hashtable_t *hashtable, const void *key);
+void fluid_hashtable_remove_all(fluid_hashtable_t *hashtable);
+void fluid_hashtable_steal_all(fluid_hashtable_t *hashtable);
+unsigned int fluid_hashtable_foreach_steal(fluid_hashtable_t *hashtable,
+        fluid_hr_func_t func, void *user_data);
+void fluid_hashtable_foreach(fluid_hashtable_t *hashtable, fluid_hr_func_t func,
+                             void *user_data);
+void *fluid_hashtable_find(fluid_hashtable_t *hashtable, fluid_hr_func_t predicate,
+                           void *user_data);
+unsigned int fluid_hashtable_size(fluid_hashtable_t *hashtable);
+fluid_list_t *fluid_hashtable_get_keys(fluid_hashtable_t *hashtable);
+fluid_list_t *fluid_hashtable_get_values(fluid_hashtable_t *hashtable);
+
+int fluid_str_equal(const void *v1, const void *v2);
+unsigned int fluid_str_hash(const void *v);
+int fluid_direct_equal(const void *v1, const void *v2);
+unsigned int fluid_direct_hash(const void *v);
+int fluid_int_equal(const void *v1, const void *v2);
+unsigned int fluid_int_hash(const void *v);
+
+#endif /* _FLUID_HASH_H */
+
diff --git a/libs/fluidsynth/src/utils/fluid_list.c b/libs/fluidsynth/src/utils/fluid_list.c
new file mode 100644
index 00000000000..c88e2aec097
--- /dev/null
+++ b/libs/fluidsynth/src/utils/fluid_list.c
@@ -0,0 +1,337 @@
+/* GLIB - Library of useful routines for C programming
+ * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02110-1301, USA.
+ */
+
+/*
+ * Modified by the GLib Team and others 1997-1999.  See the AUTHORS
+ * file for a list of people on the GLib Team.  See the ChangeLog
+ * files for a list of changes.  These files are distributed with
+ * GLib at ftp://ftp.gtk.org/pub/gtk/.
+ */
+
+
+
+#include "fluid_sys.h"
+#include "fluid_list.h"
+
+
+fluid_list_t *
+new_fluid_list(void)
+{
+    fluid_list_t *list;
+    list = (fluid_list_t *) FLUID_MALLOC(sizeof(fluid_list_t));
+    list->data = NULL;
+    list->next = NULL;
+    return list;
+}
+
+void
+delete_fluid_list(fluid_list_t *list)
+{
+    fluid_list_t *next;
+    fluid_return_if_fail(list != NULL);
+
+    while(list)
+    {
+        next = list->next;
+        FLUID_FREE(list);
+        list = next;
+    }
+}
+
+void
+delete1_fluid_list(fluid_list_t *list)
+{
+    FLUID_FREE(list);
+}
+
+fluid_list_t *
+fluid_list_append(fluid_list_t *list, void  *data)
+{
+    fluid_list_t *new_list;
+    fluid_list_t *last;
+
+    new_list = new_fluid_list();
+    new_list->data = data;
+
+    if(list)
+    {
+        last = fluid_list_last(list);
+        /* g_assert (last != NULL); */
+        last->next = new_list;
+
+        return list;
+    }
+    else
+    {
+        return new_list;
+    }
+}
+
+fluid_list_t *
+fluid_list_prepend(fluid_list_t *list, void *data)
+{
+    fluid_list_t *new_list;
+
+    new_list = new_fluid_list();
+    new_list->data = data;
+    new_list->next = list;
+
+    return new_list;
+}
+
+fluid_list_t *
+fluid_list_nth(fluid_list_t *list, int n)
+{
+    while((n-- > 0) && list)
+    {
+        list = list->next;
+    }
+
+    return list;
+}
+
+fluid_list_t *
+fluid_list_remove(fluid_list_t *list, void *data)
+{
+    fluid_list_t *tmp;
+    fluid_list_t *prev;
+
+    prev = NULL;
+    tmp = list;
+
+    while(tmp)
+    {
+        if(tmp->data == data)
+        {
+            if(prev)
+            {
+                prev->next = tmp->next;
+            }
+
+            if(list == tmp)
+            {
+                list = list->next;
+            }
+
+            tmp->next = NULL;
+            delete_fluid_list(tmp);
+
+            break;
+        }
+
+        prev = tmp;
+        tmp = tmp->next;
+    }
+
+    return list;
+}
+
+fluid_list_t *
+fluid_list_remove_link(fluid_list_t *list, fluid_list_t *link)
+{
+    fluid_list_t *tmp;
+    fluid_list_t *prev;
+
+    prev = NULL;
+    tmp = list;
+
+    while(tmp)
+    {
+        if(tmp == link)
+        {
+            if(prev)
+            {
+                prev->next = tmp->next;
+            }
+
+            if(list == tmp)
+            {
+                list = list->next;
+            }
+
+            tmp->next = NULL;
+            break;
+        }
+
+        prev = tmp;
+        tmp = tmp->next;
+    }
+
+    return list;
+}
+
+static fluid_list_t *
+fluid_list_sort_merge(fluid_list_t *l1, fluid_list_t *l2, fluid_compare_func_t compare_func)
+{
+    fluid_list_t list, *l;
+
+    l = &list;
+
+    while(l1 && l2)
+    {
+        if(compare_func(l1->data, l2->data) < 0)
+        {
+            l = l->next = l1;
+            l1 = l1->next;
+        }
+        else
+        {
+            l = l->next = l2;
+            l2 = l2->next;
+        }
+    }
+
+    l->next = l1 ? l1 : l2;
+
+    return list.next;
+}
+
+fluid_list_t *
+fluid_list_sort(fluid_list_t *list, fluid_compare_func_t compare_func)
+{
+    fluid_list_t *l1, *l2;
+
+    if(!list)
+    {
+        return NULL;
+    }
+
+    if(!list->next)
+    {
+        return list;
+    }
+
+    l1 = list;
+    l2 = list->next;
+
+    while((l2 = l2->next) != NULL)
+    {
+        if((l2 = l2->next) == NULL)
+        {
+            break;
+        }
+
+        l1 = l1->next;
+    }
+
+    l2 = l1->next;
+    l1->next = NULL;
+
+    return fluid_list_sort_merge(fluid_list_sort(list, compare_func),
+                                 fluid_list_sort(l2, compare_func),
+                                 compare_func);
+}
+
+
+fluid_list_t *
+fluid_list_last(fluid_list_t *list)
+{
+    if(list)
+    {
+        while(list->next)
+        {
+            list = list->next;
+        }
+    }
+
+    return list;
+}
+
+int
+fluid_list_size(fluid_list_t *list)
+{
+    int n = 0;
+
+    while(list)
+    {
+        n++;
+        list = list->next;
+    }
+
+    return n;
+}
+
+fluid_list_t *fluid_list_insert_at(fluid_list_t *list, int n, void *data)
+{
+    fluid_list_t *new_list;
+    fluid_list_t *cur;
+    fluid_list_t *prev = NULL;
+
+    new_list = new_fluid_list();
+    new_list->data = data;
+
+    cur = list;
+
+    while((n-- > 0) && cur)
+    {
+        prev = cur;
+        cur = cur->next;
+    }
+
+    new_list->next = cur;
+
+    if(prev)
+    {
+        prev->next = new_list;
+        return list;
+    }
+    else
+    {
+        return new_list;
+    }
+}
+
+/* Compare function to sort strings alphabetically,
+ * for use with fluid_list_sort(). */
+int
+fluid_list_str_compare_func(const void *a, const void *b)
+{
+    if(a && b)
+    {
+        return FLUID_STRCMP(a, b);
+    }
+
+    if(!a && !b)
+    {
+        return 0;
+    }
+
+    if(a)
+    {
+        return -1;
+    }
+
+    return 1;
+}
+
+int fluid_list_idx(fluid_list_t *list, void *data)
+{
+    int i = 0;
+
+    while(list)
+    {
+        if (list->data == data)
+        {
+            return i;
+        }
+        list = list->next;
+    }
+
+    return -1;
+}
diff --git a/libs/fluidsynth/src/utils/fluid_list.h b/libs/fluidsynth/src/utils/fluid_list.h
new file mode 100644
index 00000000000..a290135cec0
--- /dev/null
+++ b/libs/fluidsynth/src/utils/fluid_list.h
@@ -0,0 +1,63 @@
+/* GLIB - Library of useful routines for C programming
+ * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef _FLUID_LIST_H
+#define _FLUID_LIST_H
+
+#include "fluidsynth_priv.h"
+
+/*
+ *
+ * Lists
+ *
+ * A sound font loader has to pack the data from the .SF2 file into
+ * list structures of this type.
+ *
+ */
+
+typedef struct _fluid_list_t fluid_list_t;
+
+typedef int (*fluid_compare_func_t)(const void *a, const void *b);
+
+struct _fluid_list_t
+{
+    void *data;
+    fluid_list_t *next;
+};
+
+fluid_list_t *new_fluid_list(void);
+void delete_fluid_list(fluid_list_t *list);
+void delete1_fluid_list(fluid_list_t *list);
+fluid_list_t *fluid_list_sort(fluid_list_t *list, fluid_compare_func_t compare_func);
+fluid_list_t *fluid_list_append(fluid_list_t *list, void *data);
+fluid_list_t *fluid_list_prepend(fluid_list_t *list, void *data);
+fluid_list_t *fluid_list_remove(fluid_list_t *list, void *data);
+fluid_list_t *fluid_list_remove_link(fluid_list_t *list, fluid_list_t *llink);
+fluid_list_t *fluid_list_nth(fluid_list_t *list, int n);
+fluid_list_t *fluid_list_last(fluid_list_t *list);
+fluid_list_t *fluid_list_insert_at(fluid_list_t *list, int n, void *data);
+int fluid_list_idx(fluid_list_t *list, void *data);
+int fluid_list_size(fluid_list_t *list);
+
+#define fluid_list_next(slist)	((slist) ? (((fluid_list_t *)(slist))->next) : NULL)
+#define fluid_list_get(slist)	((slist) ? ((slist)->data) : NULL)
+
+int fluid_list_str_compare_func(const void *a, const void *b);
+
+#endif  /* _FLUID_LIST_H */
diff --git a/libs/fluidsynth/src/utils/fluid_ringbuffer.c b/libs/fluidsynth/src/utils/fluid_ringbuffer.c
new file mode 100644
index 00000000000..e9fc4ddd358
--- /dev/null
+++ b/libs/fluidsynth/src/utils/fluid_ringbuffer.c
@@ -0,0 +1,90 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+/*
+ * Josh Green <josh(a)resonance.org>
+ * 2009-05-28
+ */
+
+#include "fluid_ringbuffer.h"
+#include "fluid_sys.h"
+
+
+/**
+ * Create a lock free queue with a fixed maximum count and size of elements.
+ * @param count Count of elements in queue (fixed max number of queued elements)
+ * @return New lock free queue or NULL if out of memory (error message logged)
+ *
+ * Lockless FIFO queues don't use any locking mechanisms and can therefore be
+ * advantageous in certain situations, such as passing data between a lower
+ * priority thread and a higher "real time" thread, without potential lock
+ * contention which could stall the high priority thread.  Note that there may
+ * only be one producer thread and one consumer thread.
+ */
+fluid_ringbuffer_t *
+new_fluid_ringbuffer(int count, size_t elementsize)
+{
+    fluid_ringbuffer_t *queue;
+
+    fluid_return_val_if_fail(count > 0, NULL);
+
+    queue = FLUID_NEW(fluid_ringbuffer_t);
+
+    if(!queue)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return NULL;
+    }
+
+    queue->array = FLUID_MALLOC(elementsize * count);
+
+    if(!queue->array)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        delete_fluid_ringbuffer(queue);
+        return NULL;
+    }
+
+    /* Clear array, in case dynamic pointer reclaiming is being done */
+    FLUID_MEMSET(queue->array, 0, elementsize * count);
+
+    queue->totalcount = count;
+    queue->elementsize = elementsize;
+    fluid_atomic_int_set(&queue->count, 0);
+    queue->in = 0;
+    queue->out = 0;
+
+    return (queue);
+}
+
+/**
+ * Free an event queue.
+ * @param queue Lockless queue instance
+ *
+ * Care must be taken when freeing a queue, to ensure that the consumer and
+ * producer threads will no longer access it.
+ */
+void
+delete_fluid_ringbuffer(fluid_ringbuffer_t *queue)
+{
+    fluid_return_if_fail(queue != NULL);
+    FLUID_FREE(queue->array);
+    FLUID_FREE(queue);
+}
diff --git a/libs/fluidsynth/src/utils/fluid_ringbuffer.h b/libs/fluidsynth/src/utils/fluid_ringbuffer.h
new file mode 100644
index 00000000000..6b0a2df37dc
--- /dev/null
+++ b/libs/fluidsynth/src/utils/fluid_ringbuffer.h
@@ -0,0 +1,133 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#ifndef _FLUID_RINGBUFFER_H
+#define _FLUID_RINGBUFFER_H
+
+#include "fluid_sys.h"
+
+/*
+ * Lockless event queue instance.
+ */
+struct _fluid_ringbuffer_t
+{
+    char *array;  /**< Queue array of arbitrary size elements */
+    int totalcount;       /**< Total count of elements in array */
+    fluid_atomic_int_t count;            /**< Current count of elements */
+    int in;               /**< Index in queue to store next pushed element */
+    int out;              /**< Index in queue of next popped element */
+    size_t elementsize;          /**< Size of each element */
+    void *userdata;
+};
+
+typedef struct _fluid_ringbuffer_t fluid_ringbuffer_t;
+
+
+fluid_ringbuffer_t *new_fluid_ringbuffer(int count, size_t elementsize);
+void delete_fluid_ringbuffer(fluid_ringbuffer_t *queue);
+
+/**
+ * Get pointer to next input array element in queue.
+ * @param queue Lockless queue instance
+ * @param offset Normally zero, or more if you need to push several items at once
+ * @return Pointer to array element in queue to store data to or NULL if queue is full
+ *
+ * This function along with fluid_ringbuffer_next_inptr() form a queue "push"
+ * operation and is split into 2 functions to avoid an element copy.  Note that
+ * the returned array element pointer may contain the data of a previous element
+ * if the queue has wrapped around.  This can be used to reclaim pointers to
+ * allocated memory, etc.
+ */
+static FLUID_INLINE void *
+fluid_ringbuffer_get_inptr(fluid_ringbuffer_t *queue, int offset)
+{
+    return fluid_atomic_int_get(&queue->count) + offset >= queue->totalcount ? NULL
+           : queue->array + queue->elementsize * ((queue->in + offset) % queue->totalcount);
+}
+
+/**
+ * Advance the input queue index to complete a "push" operation.
+ * @param queue Lockless queue instance
+ * @param count Normally one, or more if you need to push several items at once
+ *
+ * This function along with fluid_ringbuffer_get_inptr() form a queue "push"
+ * operation and is split into 2 functions to avoid element copy.
+ */
+static FLUID_INLINE void
+fluid_ringbuffer_next_inptr(fluid_ringbuffer_t *queue, int count)
+{
+    fluid_atomic_int_add(&queue->count, count);
+
+    queue->in += count;
+
+    if(queue->in >= queue->totalcount)
+    {
+        queue->in -= queue->totalcount;
+    }
+}
+
+/**
+ * Get amount of items currently in queue
+ * @param queue Lockless queue instance
+ * @return amount of items currently in queue
+ */
+static FLUID_INLINE int
+fluid_ringbuffer_get_count(fluid_ringbuffer_t *queue)
+{
+    return fluid_atomic_int_get(&queue->count);
+}
+
+
+/**
+ * Get pointer to next output array element in queue.
+ * @param queue Lockless queue instance
+ * @return Pointer to array element data in the queue or NULL if empty, can only
+ *   be used up until fluid_ringbuffer_next_outptr() is called.
+ *
+ * This function along with fluid_ringbuffer_next_outptr() form a queue "pop"
+ * operation and is split into 2 functions to avoid an element copy.
+ */
+static FLUID_INLINE void *
+fluid_ringbuffer_get_outptr(fluid_ringbuffer_t *queue)
+{
+    return fluid_ringbuffer_get_count(queue) == 0 ? NULL
+           : queue->array + queue->elementsize * queue->out;
+}
+
+
+/**
+ * Advance the output queue index to complete a "pop" operation.
+ * @param queue Lockless queue instance
+ *
+ * This function along with fluid_ringbuffer_get_outptr() form a queue "pop"
+ * operation and is split into 2 functions to avoid an element copy.
+ */
+static FLUID_INLINE void
+fluid_ringbuffer_next_outptr(fluid_ringbuffer_t *queue)
+{
+    fluid_atomic_int_add(&queue->count, -1);
+
+    if(++queue->out == queue->totalcount)
+    {
+        queue->out = 0;
+    }
+}
+
+#endif /* _FLUID_ringbuffer_H */
diff --git a/libs/fluidsynth/src/utils/fluid_settings.c b/libs/fluidsynth/src/utils/fluid_settings.c
new file mode 100644
index 00000000000..d01170f6550
--- /dev/null
+++ b/libs/fluidsynth/src/utils/fluid_settings.c
@@ -0,0 +1,2004 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#include "fluid_sys.h"
+#include "fluid_hash.h"
+#include "fluid_synth.h"
+#ifndef __WINE_PE_BUILD
+#include "fluid_cmd.h"
+#include "fluid_adriver.h"
+#include "fluid_mdriver.h"
+#endif
+#include "fluid_settings.h"
+#include "fluid_midi.h"
+
+/* maximum allowed components of a settings variable (separated by '.') */
+#define MAX_SETTINGS_TOKENS 8	/* currently only a max of 3 are used */
+#define MAX_SETTINGS_LABEL 256	/* max length of a settings variable label */
+
+static void fluid_settings_init(fluid_settings_t *settings);
+static void fluid_settings_key_destroy_func(void *value);
+static void fluid_settings_value_destroy_func(void *value);
+static int fluid_settings_tokenize(const char *s, char *buf, char **ptr);
+
+/* Common structure to all settings nodes */
+typedef struct
+{
+    char *value;
+    char *def;
+    int hints;
+    fluid_list_t *options;
+    fluid_str_update_t update;
+    void *data;
+} fluid_str_setting_t;
+
+typedef struct
+{
+    double value;
+    double def;
+    double min;
+    double max;
+    int hints;
+    fluid_num_update_t update;
+    void *data;
+} fluid_num_setting_t;
+
+typedef struct
+{
+    int value;
+    int def;
+    int min;
+    int max;
+    int hints;
+    fluid_int_update_t update;
+    void *data;
+} fluid_int_setting_t;
+
+typedef struct
+{
+    fluid_hashtable_t *hashtable;
+} fluid_set_setting_t;
+
+typedef struct
+{
+    int type;             /**< fluid_types_enum */
+
+    union
+    {
+        fluid_str_setting_t str;
+        fluid_num_setting_t num;
+        fluid_int_setting_t i;
+        fluid_set_setting_t set;
+    };
+} fluid_setting_node_t;
+
+static fluid_setting_node_t *
+new_fluid_str_setting(const char *value, const char *def, int hints)
+{
+    fluid_setting_node_t *node;
+    fluid_str_setting_t *str;
+
+    node = FLUID_NEW(fluid_setting_node_t);
+
+    if(!node)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return NULL;
+    }
+
+    node->type = FLUID_STR_TYPE;
+
+    str = &node->str;
+    str->value = value ? FLUID_STRDUP(value) : NULL;
+    str->def = def ? FLUID_STRDUP(def) : NULL;
+    str->hints = hints;
+    str->options = NULL;
+    str->update = NULL;
+    str->data = NULL;
+    return node;
+}
+
+static void
+delete_fluid_str_setting(fluid_setting_node_t *node)
+{
+    fluid_return_if_fail(node != NULL);
+
+    FLUID_ASSERT(node->type == FLUID_STR_TYPE);
+
+    FLUID_FREE(node->str.value);
+    FLUID_FREE(node->str.def);
+
+    if(node->str.options)
+    {
+        fluid_list_t *list = node->str.options;
+
+        while(list)
+        {
+            FLUID_FREE(list->data);
+            list = fluid_list_next(list);
+        }
+
+        delete_fluid_list(node->str.options);
+    }
+
+    FLUID_FREE(node);
+}
+
+
+static fluid_setting_node_t *
+new_fluid_num_setting(double min, double max, double def, int hints)
+{
+    fluid_setting_node_t *node;
+    fluid_num_setting_t *num;
+
+    node = FLUID_NEW(fluid_setting_node_t);
+
+    if(!node)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return NULL;
+    }
+
+    node->type = FLUID_NUM_TYPE;
+
+    num = &node->num;
+    num->value = def;
+    num->def = def;
+    num->min = min;
+    num->max = max;
+    num->hints = hints;
+    num->update = NULL;
+    num->data = NULL;
+
+    return node;
+}
+
+static void
+delete_fluid_num_setting(fluid_setting_node_t *node)
+{
+    fluid_return_if_fail(node != NULL);
+
+    FLUID_ASSERT(node->type == FLUID_NUM_TYPE);
+    FLUID_FREE(node);
+}
+
+static fluid_setting_node_t *
+new_fluid_int_setting(int min, int max, int def, int hints)
+{
+    fluid_setting_node_t *node;
+    fluid_int_setting_t *i;
+
+    node = FLUID_NEW(fluid_setting_node_t);
+
+    if(!node)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return NULL;
+    }
+
+    node->type = FLUID_INT_TYPE;
+
+    i = &node->i;
+    i->value = def;
+    i->def = def;
+    i->min = min;
+    i->max = max;
+    i->hints = hints;
+    i->update = NULL;
+    i->data = NULL;
+    return node;
+}
+
+static void
+delete_fluid_int_setting(fluid_setting_node_t *node)
+{
+    fluid_return_if_fail(node != NULL);
+
+    FLUID_ASSERT(node->type == FLUID_INT_TYPE);
+    FLUID_FREE(node);
+}
+
+static fluid_setting_node_t *
+new_fluid_set_setting(void)
+{
+    fluid_setting_node_t *node;
+    fluid_set_setting_t *set;
+
+    node = FLUID_NEW(fluid_setting_node_t);
+
+    if(!node)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return NULL;
+    }
+
+    node->type = FLUID_SET_TYPE;
+    set = &node->set;
+
+    set->hashtable = new_fluid_hashtable_full(fluid_str_hash, fluid_str_equal,
+                     fluid_settings_key_destroy_func,
+                     fluid_settings_value_destroy_func);
+
+    if(!set->hashtable)
+    {
+        FLUID_FREE(node);
+        return NULL;
+    }
+
+    return node;
+}
+
+static void
+delete_fluid_set_setting(fluid_setting_node_t *node)
+{
+    fluid_return_if_fail(node != NULL);
+
+    FLUID_ASSERT(node->type == FLUID_SET_TYPE);
+    delete_fluid_hashtable(node->set.hashtable);
+    FLUID_FREE(node);
+}
+
+/**
+ * Create a new settings object
+ *
+ * @return the pointer to the settings object
+ */
+fluid_settings_t *
+new_fluid_settings(void)
+{
+    fluid_settings_t *settings;
+
+    settings = new_fluid_hashtable_full(fluid_str_hash, fluid_str_equal,
+                                        fluid_settings_key_destroy_func,
+                                        fluid_settings_value_destroy_func);
+
+    if(settings == NULL)
+    {
+        return NULL;
+    }
+
+    fluid_rec_mutex_init(settings->mutex);
+    fluid_settings_init(settings);
+    return settings;
+}
+
+/**
+ * Delete the provided settings object
+ *
+ * @param settings a settings object
+ */
+void
+delete_fluid_settings(fluid_settings_t *settings)
+{
+    fluid_return_if_fail(settings != NULL);
+
+    fluid_rec_mutex_destroy(settings->mutex);
+    delete_fluid_hashtable(settings);
+}
+
+/* Settings hash key destroy function */
+static void
+fluid_settings_key_destroy_func(void *value)
+{
+    FLUID_FREE(value);    /* Free the string key value */
+}
+
+/* Settings hash value destroy function */
+static void
+fluid_settings_value_destroy_func(void *value)
+{
+    fluid_setting_node_t *node = value;
+
+    switch(node->type)
+    {
+    case FLUID_NUM_TYPE:
+        delete_fluid_num_setting(node);
+        break;
+
+    case FLUID_INT_TYPE:
+        delete_fluid_int_setting(node);
+        break;
+
+    case FLUID_STR_TYPE:
+        delete_fluid_str_setting(node);
+        break;
+
+    case FLUID_SET_TYPE:
+        delete_fluid_set_setting(node);
+        break;
+    }
+}
+
+void
+fluid_settings_init(fluid_settings_t *settings)
+{
+    fluid_return_if_fail(settings != NULL);
+
+    fluid_synth_settings(settings);
+#ifndef __WINE_PE_BUILD
+    fluid_shell_settings(settings);
+    fluid_player_settings(settings);
+    fluid_file_renderer_settings(settings);
+    fluid_audio_driver_settings(settings);
+    fluid_midi_driver_settings(settings);
+#endif /* __WINE_PE_BUILD */
+}
+
+static int
+fluid_settings_tokenize(const char *s, char *buf, char **ptr)
+{
+    char *tokstr, *tok;
+    int n = 0;
+
+    if(FLUID_STRLEN(s) > MAX_SETTINGS_LABEL)
+    {
+        FLUID_LOG(FLUID_ERR, "Setting variable name exceeded max length of %d chars",
+                  MAX_SETTINGS_LABEL);
+        return 0;
+    }
+
+    FLUID_STRCPY(buf, s);	/* copy string to buffer, since it gets modified */
+    tokstr = buf;
+
+    while((tok = fluid_strtok(&tokstr, ".")))
+    {
+        if(n >= MAX_SETTINGS_TOKENS)
+        {
+            FLUID_LOG(FLUID_ERR, "Setting variable name exceeded max token count of %d",
+                      MAX_SETTINGS_TOKENS);
+            return 0;
+        }
+        else
+        {
+            ptr[n++] = tok;
+        }
+    }
+
+    return n;
+}
+
+/**
+ * Get a setting name, value and type
+ *
+ * @param settings a settings object
+ * @param name Settings name
+ * @param value Location to store setting node if found
+ * @return #FLUID_OK if the node exists, #FLUID_FAILED otherwise
+ */
+static int
+fluid_settings_get(fluid_settings_t *settings, const char *name,
+                   fluid_setting_node_t **value)
+{
+    fluid_hashtable_t *table = settings;
+    fluid_setting_node_t *node = NULL;
+    char *tokens[MAX_SETTINGS_TOKENS];
+    char buf[MAX_SETTINGS_LABEL + 1];
+    int ntokens;
+    int n;
+
+    ntokens = fluid_settings_tokenize(name, buf, tokens);
+
+    if(table == NULL || ntokens <= 0)
+    {
+        return FLUID_FAILED;
+    }
+
+    for(n = 0; n < ntokens; n++)
+    {
+
+        node = fluid_hashtable_lookup(table, tokens[n]);
+
+        if(!node)
+        {
+            return FLUID_FAILED;
+        }
+
+        table = (node->type == FLUID_SET_TYPE) ? node->set.hashtable : NULL;
+    }
+
+    if(value)
+    {
+        *value = node;
+    }
+
+    return FLUID_OK;
+}
+
+/**
+ * Set a setting name, value and type, replacing it if already exists
+ *
+ * @param settings a settings object
+ * @param name Settings name
+ * @param value Node instance to assign (used directly)
+ * @return #FLUID_OK if the value has been set, #FLUID_FAILED otherwise
+ */
+static int
+fluid_settings_set(fluid_settings_t *settings, const char *name, fluid_setting_node_t *value)
+{
+    fluid_hashtable_t *table = settings;
+    fluid_setting_node_t *node;
+    char *tokens[MAX_SETTINGS_TOKENS];
+    char buf[MAX_SETTINGS_LABEL + 1];
+    int n, num;
+    char *dupname;
+
+    num = fluid_settings_tokenize(name, buf, tokens);
+
+    if(num == 0)
+    {
+        return FLUID_FAILED;
+    }
+
+    num--;
+
+    for(n = 0; n < num; n++)
+    {
+
+        node = fluid_hashtable_lookup(table, tokens[n]);
+
+        if(node)
+        {
+
+            if(node->type == FLUID_SET_TYPE)
+            {
+                table = node->set.hashtable;
+            }
+            else
+            {
+                /* path ends prematurely */
+                FLUID_LOG(FLUID_ERR, "'%s' is not a node. Name of the setting was '%s'", tokens[n], name);
+                return FLUID_FAILED;
+            }
+
+        }
+        else
+        {
+            /* create a new node */
+            fluid_setting_node_t *setnode;
+
+            dupname = FLUID_STRDUP(tokens[n]);
+            setnode = new_fluid_set_setting();
+
+            if(!dupname || !setnode)
+            {
+                if(dupname)
+                {
+                    FLUID_FREE(dupname);
+                }
+                else
+                {
+                    FLUID_LOG(FLUID_ERR, "Out of memory");
+                }
+
+                if(setnode)
+                {
+                    delete_fluid_set_setting(setnode);
+                }
+
+                return FLUID_FAILED;
+            }
+
+            fluid_hashtable_insert(table, dupname, setnode);
+            table = setnode->set.hashtable;
+        }
+    }
+
+    dupname = FLUID_STRDUP(tokens[num]);
+
+    if(!dupname)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return FLUID_FAILED;
+    }
+
+    fluid_hashtable_insert(table, dupname, value);
+
+    return FLUID_OK;
+}
+
+/**
+ * Registers a new string value for the specified setting.
+ *
+ * @param settings a settings object
+ * @param name the setting's name
+ * @param def the default value for the setting
+ * @param hints the hints for the setting
+ * @return #FLUID_OK if the value has been register correctly, #FLUID_FAILED otherwise
+ */
+int
+fluid_settings_register_str(fluid_settings_t *settings, const char *name, const char *def, int hints)
+{
+    fluid_setting_node_t *node;
+    int retval = FLUID_FAILED;
+
+    fluid_return_val_if_fail(settings != NULL, retval);
+    fluid_return_val_if_fail(name != NULL, retval);
+    fluid_return_val_if_fail(name[0] != '\0', retval);
+
+    fluid_rec_mutex_lock(settings->mutex);
+
+    if(fluid_settings_get(settings, name, &node) != FLUID_OK)
+    {
+        node = new_fluid_str_setting(def, def, hints);
+        retval = fluid_settings_set(settings, name, node);
+
+        if(retval != FLUID_OK)
+        {
+            delete_fluid_str_setting(node);
+        }
+    }
+    else
+    {
+        /* if variable already exists, don't change its value. */
+        if(node->type == FLUID_STR_TYPE)
+        {
+            fluid_str_setting_t *setting = &node->str;
+            FLUID_FREE(setting->def);
+            setting->def = def ? FLUID_STRDUP(def) : NULL;
+            setting->hints = hints;
+            retval = FLUID_OK;
+        }
+        else
+        {
+            FLUID_LOG(FLUID_ERR, "Failed to register string setting '%s' as it already exists with a different type", name);
+        }
+    }
+
+    fluid_rec_mutex_unlock(settings->mutex);
+
+    return retval;
+}
+
+/**
+ * Registers a new float value for the specified setting.
+ *
+ * @param settings a settings object
+ * @param name the setting's name
+ * @param def the default value for the setting
+ * @param min the smallest allowed value for the setting
+ * @param max the largest allowed value for the setting
+ * @param hints the hints for the setting
+ * @return #FLUID_OK if the value has been register correctly, #FLUID_FAILED otherwise
+ */
+int
+fluid_settings_register_num(fluid_settings_t *settings, const char *name, double def,
+                            double min, double max, int hints)
+{
+    fluid_setting_node_t *node;
+    int retval = FLUID_FAILED;
+
+    fluid_return_val_if_fail(settings != NULL, retval);
+    fluid_return_val_if_fail(name != NULL, retval);
+    fluid_return_val_if_fail(name[0] != '\0', retval);
+
+    /* For now, all floating point settings are bounded below and above */
+    hints |= FLUID_HINT_BOUNDED_BELOW | FLUID_HINT_BOUNDED_ABOVE;
+
+    fluid_rec_mutex_lock(settings->mutex);
+
+    if(fluid_settings_get(settings, name, &node) != FLUID_OK)
+    {
+        /* insert a new setting */
+        node = new_fluid_num_setting(min, max, def, hints);
+        retval = fluid_settings_set(settings, name, node);
+
+        if(retval != FLUID_OK)
+        {
+            delete_fluid_num_setting(node);
+        }
+    }
+    else
+    {
+        if(node->type == FLUID_NUM_TYPE)
+        {
+            /* update the existing setting but don't change its value */
+            fluid_num_setting_t *setting = &node->num;
+            setting->min = min;
+            setting->max = max;
+            setting->def = def;
+            setting->hints = hints;
+            retval = FLUID_OK;
+        }
+        else
+        {
+            /* type mismatch */
+            FLUID_LOG(FLUID_ERR, "Failed to register numeric setting '%s' as it already exists with a different type", name);
+        }
+    }
+
+    fluid_rec_mutex_unlock(settings->mutex);
+
+    return retval;
+}
+
+/**
+ * Registers a new integer value for the specified setting.
+ *
+ * @param settings a settings object
+ * @param name the setting's name
+ * @param def the default value for the setting
+ * @param min the smallest allowed value for the setting
+ * @param max the largest allowed value for the setting
+ * @param hints the hints for the setting
+ * @return #FLUID_OK if the value has been register correctly, #FLUID_FAILED otherwise
+ */
+int
+fluid_settings_register_int(fluid_settings_t *settings, const char *name, int def,
+                            int min, int max, int hints)
+{
+    fluid_setting_node_t *node;
+    int retval = FLUID_FAILED;
+
+    fluid_return_val_if_fail(settings != NULL, retval);
+    fluid_return_val_if_fail(name != NULL, retval);
+    fluid_return_val_if_fail(name[0] != '\0', retval);
+
+    /* For now, all integer settings are bounded below and above */
+    hints |= FLUID_HINT_BOUNDED_BELOW | FLUID_HINT_BOUNDED_ABOVE;
+
+    fluid_rec_mutex_lock(settings->mutex);
+
+    if(fluid_settings_get(settings, name, &node) != FLUID_OK)
+    {
+        /* insert a new setting */
+        node = new_fluid_int_setting(min, max, def, hints);
+        retval = fluid_settings_set(settings, name, node);
+
+        if(retval != FLUID_OK)
+        {
+            delete_fluid_int_setting(node);
+        }
+    }
+    else
+    {
+        if(node->type == FLUID_INT_TYPE)
+        {
+            /* update the existing setting but don't change its value */
+            fluid_int_setting_t *setting = &node->i;
+            setting->min = min;
+            setting->max = max;
+            setting->def = def;
+            setting->hints = hints;
+            retval = FLUID_OK;
+        }
+        else
+        {
+            /* type mismatch */
+            FLUID_LOG(FLUID_ERR, "Failed to register int setting '%s' as it already exists with a different type", name);
+        }
+    }
+
+    fluid_rec_mutex_unlock(settings->mutex);
+
+    return retval;
+}
+
+/**
+ * Registers a callback for the specified string setting.
+ *
+ * @param settings a settings object
+ * @param name the setting's name
+ * @param callback an update function for the setting
+ * @param data user supplied data passed to the update function
+ * @return #FLUID_OK if the callback has been set, #FLUID_FAILED otherwise
+ */
+int fluid_settings_callback_str(fluid_settings_t *settings, const char *name,
+                                fluid_str_update_t callback, void *data)
+{
+    fluid_setting_node_t *node;
+    fluid_str_setting_t *setting;
+
+    fluid_return_val_if_fail(settings != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(name != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(name[0] != '\0', FLUID_FAILED);
+
+    fluid_rec_mutex_lock(settings->mutex);
+
+    if((fluid_settings_get(settings, name, &node) != FLUID_OK)
+            || node->type != FLUID_STR_TYPE)
+    {
+        fluid_rec_mutex_unlock(settings->mutex);
+        return FLUID_FAILED;
+    }
+
+    setting = &node->str;
+    setting->update = callback;
+    setting->data = data;
+
+    fluid_rec_mutex_unlock(settings->mutex);
+    return FLUID_OK;
+}
+
+/**
+ * Registers a callback for the specified numeric setting.
+ *
+ * @param settings a settings object
+ * @param name the setting's name
+ * @param callback an update function for the setting
+ * @param data user supplied data passed to the update function
+ * @return #FLUID_OK if the callback has been set, #FLUID_FAILED otherwise
+ */
+int fluid_settings_callback_num(fluid_settings_t *settings, const char *name,
+                                fluid_num_update_t callback, void *data)
+{
+    fluid_setting_node_t *node;
+    fluid_num_setting_t *setting;
+
+    fluid_return_val_if_fail(settings != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(name != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(name[0] != '\0', FLUID_FAILED);
+
+    fluid_rec_mutex_lock(settings->mutex);
+
+    if((fluid_settings_get(settings, name, &node) != FLUID_OK)
+            || node->type != FLUID_NUM_TYPE)
+    {
+        fluid_rec_mutex_unlock(settings->mutex);
+        return FLUID_FAILED;
+    }
+
+    setting = &node->num;
+    setting->update = callback;
+    setting->data = data;
+
+    fluid_rec_mutex_unlock(settings->mutex);
+    return FLUID_OK;
+}
+
+/**
+ * Registers a callback for the specified int setting.
+ *
+ * @param settings a settings object
+ * @param name the setting's name
+ * @param callback an update function for the setting
+ * @param data user supplied data passed to the update function
+ * @return #FLUID_OK if the callback has been set, #FLUID_FAILED otherwise
+ */
+int fluid_settings_callback_int(fluid_settings_t *settings, const char *name,
+                                fluid_int_update_t callback, void *data)
+{
+    fluid_setting_node_t *node;
+    fluid_int_setting_t *setting;
+
+    fluid_return_val_if_fail(settings != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(name != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(name[0] != '\0', FLUID_FAILED);
+
+    fluid_rec_mutex_lock(settings->mutex);
+
+    if((fluid_settings_get(settings, name, &node) != FLUID_OK)
+            || node->type != FLUID_INT_TYPE)
+    {
+        fluid_rec_mutex_unlock(settings->mutex);
+        return FLUID_FAILED;
+    }
+
+    setting = &node->i;
+    setting->update = callback;
+    setting->data = data;
+
+    fluid_rec_mutex_unlock(settings->mutex);
+    return FLUID_OK;
+}
+
+void* fluid_settings_get_user_data(fluid_settings_t * settings, const char *name)
+{
+    fluid_setting_node_t *node;
+    void* retval = NULL;
+
+    fluid_return_val_if_fail(settings != NULL, NULL);
+    fluid_return_val_if_fail(name != NULL, NULL);
+    fluid_return_val_if_fail(name[0] != '\0', NULL);
+
+    fluid_rec_mutex_lock(settings->mutex);
+
+    if(fluid_settings_get(settings, name, &node) == FLUID_OK)
+    {
+        if(node->type == FLUID_NUM_TYPE)
+        {
+            fluid_num_setting_t *setting = &node->num;
+            retval = setting->data;
+        }
+        else if(node->type == FLUID_STR_TYPE)
+        {
+            fluid_str_setting_t *setting = &node->str;
+            retval = setting->data;
+        }
+        else if(node->type == FLUID_INT_TYPE)
+        {
+            fluid_int_setting_t *setting = &node->i;
+            retval = setting->data;
+        }
+    }
+
+    fluid_rec_mutex_unlock(settings->mutex);
+    return retval;
+}
+
+/**
+ * Get the type of the setting with the given name
+ *
+ * @param settings a settings object
+ * @param name a setting's name
+ * @return the type for the named setting (see #fluid_types_enum), or #FLUID_NO_TYPE when it does not exist
+ */
+int
+fluid_settings_get_type(fluid_settings_t *settings, const char *name)
+{
+    fluid_setting_node_t *node;
+    int type = FLUID_NO_TYPE;
+
+    fluid_return_val_if_fail(settings != NULL, type);
+    fluid_return_val_if_fail(name != NULL, type);
+    fluid_return_val_if_fail(name[0] != '\0', type);
+
+    fluid_rec_mutex_lock(settings->mutex);
+
+    if(fluid_settings_get(settings, name, &node) == FLUID_OK)
+    {
+        type = node->type;
+    }
+
+    fluid_rec_mutex_unlock(settings->mutex);
+
+    return type;
+}
+
+/**
+ * Get the hints for the named setting as an integer bitmap
+ *
+ * @param settings a settings object
+ * @param name a setting's name
+ * @param hints set to the hints associated to the setting if it exists
+ * @return #FLUID_OK if hints associated to the named setting exist, #FLUID_FAILED otherwise
+ */
+int
+fluid_settings_get_hints(fluid_settings_t *settings, const char *name, int *hints)
+{
+    fluid_setting_node_t *node;
+    int retval = FLUID_FAILED;
+
+    fluid_return_val_if_fail(settings != NULL, retval);
+    fluid_return_val_if_fail(name != NULL, retval);
+    fluid_return_val_if_fail(name[0] != '\0', retval);
+
+    fluid_rec_mutex_lock(settings->mutex);
+
+    if(fluid_settings_get(settings, name, &node) == FLUID_OK)
+    {
+        if(node->type == FLUID_NUM_TYPE)
+        {
+            fluid_num_setting_t *setting = &node->num;
+            *hints = setting->hints;
+            retval = FLUID_OK;
+        }
+        else if(node->type == FLUID_STR_TYPE)
+        {
+            fluid_str_setting_t *setting = &node->str;
+            *hints = setting->hints;
+            retval = FLUID_OK;
+        }
+        else if(node->type == FLUID_INT_TYPE)
+        {
+            fluid_int_setting_t *setting = &node->i;
+            *hints = setting->hints;
+            retval = FLUID_OK;
+        }
+    }
+
+    fluid_rec_mutex_unlock(settings->mutex);
+
+    return retval;
+}
+
+/**
+ * Ask whether the setting is changeable in real-time.
+ *
+ * @param settings a settings object
+ * @param name a setting's name
+ * @return TRUE if the setting is changeable in real-time, FALSE otherwise
+ *
+ * @note Before using this function, make sure the @p settings object has already been used to create
+ * a synthesizer, a MIDI driver, an audio driver, a MIDI player, or a command handler (depending on
+ * which settings you want to query).
+ */
+int
+fluid_settings_is_realtime(fluid_settings_t *settings, const char *name)
+{
+    fluid_setting_node_t *node;
+    int isrealtime = FALSE;
+
+    fluid_return_val_if_fail(settings != NULL, 0);
+    fluid_return_val_if_fail(name != NULL, 0);
+    fluid_return_val_if_fail(name[0] != '\0', 0);
+
+    fluid_rec_mutex_lock(settings->mutex);
+
+    if(fluid_settings_get(settings, name, &node) == FLUID_OK)
+    {
+        if(node->type == FLUID_NUM_TYPE)
+        {
+            fluid_num_setting_t *setting = &node->num;
+            isrealtime = setting->update != NULL;
+        }
+        else if(node->type == FLUID_STR_TYPE)
+        {
+            fluid_str_setting_t *setting = &node->str;
+            isrealtime = setting->update != NULL;
+        }
+        else if(node->type == FLUID_INT_TYPE)
+        {
+            fluid_int_setting_t *setting = &node->i;
+            isrealtime = setting->update != NULL;
+        }
+    }
+
+    fluid_rec_mutex_unlock(settings->mutex);
+
+    return isrealtime;
+}
+
+/**
+ * Set a string value for a named setting
+ *
+ * @param settings a settings object
+ * @param name a setting's name
+ * @param str new string value
+ * @return #FLUID_OK if the value has been set, #FLUID_FAILED otherwise
+ */
+int
+fluid_settings_setstr(fluid_settings_t *settings, const char *name, const char *str)
+{
+    fluid_setting_node_t *node;
+    fluid_str_setting_t *setting;
+    char *new_value = NULL;
+    fluid_str_update_t callback = NULL;
+    void *data = NULL;
+
+    fluid_return_val_if_fail(settings != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(name != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(name[0] != '\0', FLUID_FAILED);
+
+    fluid_rec_mutex_lock(settings->mutex);
+
+    if((fluid_settings_get(settings, name, &node) != FLUID_OK)
+            || (node->type != FLUID_STR_TYPE))
+    {
+        FLUID_LOG(FLUID_ERR, "Unknown string setting '%s'", name);
+        goto error_recovery;
+    }
+
+    setting = &node->str;
+
+    if(setting->value)
+    {
+        FLUID_FREE(setting->value);
+    }
+
+    if(str)
+    {
+        new_value = FLUID_STRDUP(str);
+
+        if(new_value == NULL)
+        {
+            FLUID_LOG(FLUID_ERR, "Out of memory");
+            goto error_recovery;
+        }
+    }
+
+    setting->value = new_value;
+
+    callback = setting->update;
+    data = setting->data;
+
+    /* Release the mutex before calling the update callback, to avoid
+     * possible deadlocks with FluidSynths API lock */
+    fluid_rec_mutex_unlock(settings->mutex);
+
+    if(callback)
+    {
+        (*callback)(data, name, new_value);
+    }
+
+    return FLUID_OK;
+
+error_recovery:
+    fluid_rec_mutex_unlock(settings->mutex);
+    return FLUID_FAILED;
+}
+
+/**
+ * Copy the value of a string setting into the provided buffer (thread safe)
+ *
+ * @param settings a settings object
+ * @param name a setting's name
+ * @param str Caller supplied buffer to copy string value to
+ * @param len Size of 'str' buffer (no more than len bytes will be written, which
+ *   will always include a zero terminator)
+ * @return #FLUID_OK if the value exists, #FLUID_FAILED otherwise
+ *
+ * @note A size of 256 should be more than sufficient for the string buffer.
+ *
+ * @since 1.1.0
+ */
+int
+fluid_settings_copystr(fluid_settings_t *settings, const char *name,
+                       char *str, int len)
+{
+    fluid_setting_node_t *node;
+    int retval = FLUID_FAILED;
+
+    fluid_return_val_if_fail(settings != NULL, retval);
+    fluid_return_val_if_fail(name != NULL, retval);
+    fluid_return_val_if_fail(name[0] != '\0', retval);
+    fluid_return_val_if_fail(str != NULL, retval);
+    fluid_return_val_if_fail(len > 0, retval);
+
+    str[0] = 0;
+
+    fluid_rec_mutex_lock(settings->mutex);
+
+    if(fluid_settings_get(settings, name, &node) == FLUID_OK)
+    {
+        if(node->type == FLUID_STR_TYPE)
+        {
+            fluid_str_setting_t *setting = &node->str;
+
+            if(setting->value)
+            {
+                FLUID_STRNCPY(str, setting->value, len);
+            }
+
+            retval = FLUID_OK;
+        }
+        else if(node->type == FLUID_INT_TYPE)       /* Handle boolean integers for backwards compatibility */
+        {
+            fluid_int_setting_t *setting = &node->i;
+
+            if(setting->hints & FLUID_HINT_TOGGLED)
+            {
+                FLUID_STRNCPY(str, setting->value ? "yes" : "no", len);
+
+                retval = FLUID_OK;
+            }
+        }
+    }
+
+    fluid_rec_mutex_unlock(settings->mutex);
+
+    return retval;
+}
+
+/**
+ * Duplicate the value of a string setting
+ *
+ * @param settings a settings object
+ * @param name a setting's name
+ * @param str Location to store pointer to allocated duplicate string
+ * @return #FLUID_OK if the value exists and was successfully duplicated, #FLUID_FAILED otherwise
+ *
+ * Like fluid_settings_copystr() but allocates a new copy of the string.  Caller
+ * owns the string and should free it with fluid_free() when done using it.
+ *
+ * @since 1.1.0
+ */
+int
+fluid_settings_dupstr(fluid_settings_t *settings, const char *name, char **str)
+{
+    fluid_setting_node_t *node;
+    int retval = FLUID_FAILED;
+
+    fluid_return_val_if_fail(settings != NULL, retval);
+    fluid_return_val_if_fail(name != NULL, retval);
+    fluid_return_val_if_fail(name[0] != '\0', retval);
+    fluid_return_val_if_fail(str != NULL, retval);
+
+    fluid_rec_mutex_lock(settings->mutex);
+
+    if(fluid_settings_get(settings, name, &node) == FLUID_OK)
+    {
+        if(node->type == FLUID_STR_TYPE)
+        {
+            fluid_str_setting_t *setting = &node->str;
+
+            if(setting->value)
+            {
+                *str = FLUID_STRDUP(setting->value);
+
+                if(!*str)
+                {
+                    FLUID_LOG(FLUID_ERR, "Out of memory");
+                }
+            }
+
+            if(!setting->value || *str)
+            {
+                retval = FLUID_OK;    /* Don't set to FLUID_OK if out of memory */
+            }
+        }
+        else if(node->type == FLUID_INT_TYPE)       /* Handle boolean integers for backwards compatibility */
+        {
+            fluid_int_setting_t *setting = &node->i;
+
+            if(setting->hints & FLUID_HINT_TOGGLED)
+            {
+                *str = FLUID_STRDUP(setting->value ? "yes" : "no");
+
+                if(!*str)
+                {
+                    FLUID_LOG(FLUID_ERR, "Out of memory");
+                }
+
+                if(!setting->value || *str)
+                {
+                    retval = FLUID_OK;    /* Don't set to FLUID_OK if out of memory */
+                }
+            }
+        }
+    }
+
+    fluid_rec_mutex_unlock(settings->mutex);
+
+    return retval;
+}
+
+
+/**
+ * Test a string setting for some value.
+ *
+ * @param settings a settings object
+ * @param name a setting's name
+ * @param s a string to be tested
+ * @return TRUE if the value exists and is equal to \c s, FALSE otherwise
+ */
+int
+fluid_settings_str_equal(fluid_settings_t *settings, const char *name, const char *s)
+{
+    fluid_setting_node_t *node;
+    int retval = FALSE;
+
+    fluid_return_val_if_fail(settings != NULL, retval);
+    fluid_return_val_if_fail(name != NULL, retval);
+    fluid_return_val_if_fail(name[0] != '\0', retval);
+    fluid_return_val_if_fail(s != NULL, retval);
+
+    fluid_rec_mutex_lock(settings->mutex);
+
+    if(fluid_settings_get(settings, name, &node) == FLUID_OK)
+    {
+        if(node->type == FLUID_STR_TYPE)
+        {
+            fluid_str_setting_t *setting = &node->str;
+
+            if(setting->value)
+            {
+                retval = FLUID_STRCMP(setting->value, s) == 0;
+            }
+        }
+        else if(node->type == FLUID_INT_TYPE)       /* Handle boolean integers for backwards compatibility */
+        {
+            fluid_int_setting_t *setting = &node->i;
+
+            if(setting->hints & FLUID_HINT_TOGGLED)
+            {
+                retval = FLUID_STRCMP(setting->value ? "yes" : "no", s) == 0;
+            }
+        }
+    }
+
+    fluid_rec_mutex_unlock(settings->mutex);
+
+    return retval;
+}
+
+/**
+ * Get the default value of a string setting.
+ *
+ * @param settings a settings object
+ * @param name a setting's name
+ * @param def the default string value of the setting if it exists
+ * @return FLUID_OK if a default value exists, FLUID_FAILED otherwise
+ *
+ * @note The returned string is not owned by the caller and should not be modified or freed.
+ */
+int
+fluid_settings_getstr_default(fluid_settings_t *settings, const char *name, char **def)
+{
+    fluid_setting_node_t *node;
+    char *retval = NULL;
+
+    fluid_return_val_if_fail(settings != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(name != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(name[0] != '\0', FLUID_FAILED);
+
+    fluid_rec_mutex_lock(settings->mutex);
+
+    if(fluid_settings_get(settings, name, &node) == FLUID_OK)
+    {
+        if(node->type == FLUID_STR_TYPE)
+        {
+            fluid_str_setting_t *setting = &node->str;
+            retval = setting->def;
+        }
+        else if(node->type == FLUID_INT_TYPE)       /* Handle boolean integers for backwards compatibility */
+        {
+            fluid_int_setting_t *setting = &node->i;
+
+            if(setting->hints & FLUID_HINT_TOGGLED)
+            {
+                retval = setting->def ? "yes" : "no";
+            }
+        }
+    }
+
+    *def = retval;
+    fluid_rec_mutex_unlock(settings->mutex);
+
+    return retval != NULL ? FLUID_OK : FLUID_FAILED;
+}
+
+/**
+ * Add an option to a string setting (like an enumeration value).
+ *
+ * @param settings a settings object
+ * @param name a setting's name
+ * @param s option string to add
+ * @return #FLUID_OK if the setting exists and option was added, #FLUID_FAILED otherwise
+ *
+ * Causes the setting's #FLUID_HINT_OPTIONLIST hint to be set.
+ */
+int
+fluid_settings_add_option(fluid_settings_t *settings, const char *name, const char *s)
+{
+    fluid_setting_node_t *node;
+    int retval = FLUID_FAILED;
+
+    fluid_return_val_if_fail(settings != NULL, retval);
+    fluid_return_val_if_fail(name != NULL, retval);
+    fluid_return_val_if_fail(name[0] != '\0', retval);
+    fluid_return_val_if_fail(s != NULL, retval);
+
+    fluid_rec_mutex_lock(settings->mutex);
+
+    if(fluid_settings_get(settings, name, &node) == FLUID_OK
+            && (node->type == FLUID_STR_TYPE))
+    {
+        fluid_str_setting_t *setting = &node->str;
+        char *copy = FLUID_STRDUP(s);
+        setting->options = fluid_list_append(setting->options, copy);
+        setting->hints |= FLUID_HINT_OPTIONLIST;
+        retval = FLUID_OK;
+    }
+
+    fluid_rec_mutex_unlock(settings->mutex);
+
+    return retval;
+}
+
+/**
+ * Remove an option previously assigned by fluid_settings_add_option().
+ *
+ * @param settings a settings object
+ * @param name a setting's name
+ * @param s option string to remove
+ * @return #FLUID_OK if the setting exists and option was removed, #FLUID_FAILED otherwise
+ */
+int
+fluid_settings_remove_option(fluid_settings_t *settings, const char *name, const char *s)
+{
+    fluid_setting_node_t *node;
+    int retval = FLUID_FAILED;
+
+    fluid_return_val_if_fail(settings != NULL, retval);
+    fluid_return_val_if_fail(name != NULL, retval);
+    fluid_return_val_if_fail(name[0] != '\0', retval);
+    fluid_return_val_if_fail(s != NULL, retval);
+
+    fluid_rec_mutex_lock(settings->mutex);
+
+    if(fluid_settings_get(settings, name, &node) == FLUID_OK
+            && (node->type == FLUID_STR_TYPE))
+    {
+
+        fluid_str_setting_t *setting = &node->str;
+        fluid_list_t *list = setting->options;
+
+        while(list)
+        {
+            char *option = (char *) fluid_list_get(list);
+
+            if(FLUID_STRCMP(s, option) == 0)
+            {
+                FLUID_FREE(option);
+                setting->options = fluid_list_remove_link(setting->options, list);
+                retval = FLUID_OK;
+                break;
+            }
+
+            list = fluid_list_next(list);
+        }
+    }
+
+    fluid_rec_mutex_unlock(settings->mutex);
+
+    return retval;
+}
+
+/**
+ * Set a numeric value for a named setting.
+ *
+ * @param settings a settings object
+ * @param name a setting's name
+ * @param val new setting's value
+ * @return #FLUID_OK if the value has been set, #FLUID_FAILED otherwise
+ */
+int
+fluid_settings_setnum(fluid_settings_t *settings, const char *name, double val)
+{
+    fluid_setting_node_t *node;
+    fluid_num_setting_t *setting;
+    fluid_num_update_t callback = NULL;
+    void *data = NULL;
+
+    fluid_return_val_if_fail(settings != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(name != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(name[0] != '\0', FLUID_FAILED);
+
+    fluid_rec_mutex_lock(settings->mutex);
+
+    if((fluid_settings_get(settings, name, &node) != FLUID_OK)
+            || (node->type != FLUID_NUM_TYPE))
+    {
+        FLUID_LOG(FLUID_ERR, "Unknown numeric setting '%s'", name);
+        goto error_recovery;
+    }
+
+    setting = &node->num;
+
+    if(val < setting->min || val > setting->max)
+    {
+        FLUID_LOG(FLUID_ERR, "requested set value for '%s' out of range", name);
+        goto error_recovery;
+    }
+
+    setting->value = val;
+
+    callback = setting->update;
+    data = setting->data;
+
+    /* Release the mutex before calling the update callback, to avoid
+     * possible deadlocks with FluidSynths API lock */
+    fluid_rec_mutex_unlock(settings->mutex);
+
+    if(callback)
+    {
+        (*callback)(data, name, val);
+    }
+
+    return FLUID_OK;
+
+error_recovery:
+    fluid_rec_mutex_unlock(settings->mutex);
+    return FLUID_FAILED;
+}
+
+/**
+ * Get the numeric value of a named setting
+ *
+ * @param settings a settings object
+ * @param name a setting's name
+ * @param val variable pointer to receive the setting's numeric value
+ * @return #FLUID_OK if the value exists, #FLUID_FAILED otherwise
+ */
+int
+fluid_settings_getnum(fluid_settings_t *settings, const char *name, double *val)
+{
+    fluid_setting_node_t *node;
+    int retval = FLUID_FAILED;
+
+    fluid_return_val_if_fail(settings != NULL, retval);
+    fluid_return_val_if_fail(name != NULL, retval);
+    fluid_return_val_if_fail(name[0] != '\0', retval);
+    fluid_return_val_if_fail(val != NULL, retval);
+
+    fluid_rec_mutex_lock(settings->mutex);
+
+    if(fluid_settings_get(settings, name, &node) == FLUID_OK
+            && (node->type == FLUID_NUM_TYPE))
+    {
+        fluid_num_setting_t *setting = &node->num;
+        *val = setting->value;
+        retval = FLUID_OK;
+    }
+
+    fluid_rec_mutex_unlock(settings->mutex);
+
+    return retval;
+}
+
+/**
+ * float-typed wrapper for fluid_settings_getnum
+ *
+ * @param settings a settings object
+ * @param name a setting's name
+ * @param val variable pointer to receive the setting's float value
+ * @return #FLUID_OK if the value exists, #FLUID_FAILED otherwise
+ */
+int fluid_settings_getnum_float(fluid_settings_t *settings, const char *name, float *val)
+{
+    double tmp;
+
+    if(fluid_settings_getnum(settings, name, &tmp) == FLUID_OK)
+    {
+        *val = tmp;
+        return FLUID_OK;
+    }
+
+    return FLUID_FAILED;
+}
+
+/**
+ * Get the range of values of a numeric setting
+ *
+ * @param settings a settings object
+ * @param name a setting's name
+ * @param min setting's range lower limit
+ * @param max setting's range upper limit
+ * @return #FLUID_OK if the setting's range exists, #FLUID_FAILED otherwise
+ */
+int
+fluid_settings_getnum_range(fluid_settings_t *settings, const char *name,
+                            double *min, double *max)
+{
+    fluid_setting_node_t *node;
+    int retval = FLUID_FAILED;
+
+    fluid_return_val_if_fail(settings != NULL, retval);
+    fluid_return_val_if_fail(name != NULL, retval);
+    fluid_return_val_if_fail(name[0] != '\0', retval);
+    fluid_return_val_if_fail(min != NULL, retval);
+    fluid_return_val_if_fail(max != NULL, retval);
+
+    fluid_rec_mutex_lock(settings->mutex);
+
+    if(fluid_settings_get(settings, name, &node) == FLUID_OK
+            && (node->type == FLUID_NUM_TYPE))
+    {
+        fluid_num_setting_t *setting = &node->num;
+        *min = setting->min;
+        *max = setting->max;
+        retval = FLUID_OK;
+    }
+
+    fluid_rec_mutex_unlock(settings->mutex);
+
+    return retval;
+}
+
+/**
+ * Get the default value of a named numeric (double) setting
+ *
+ * @param settings a settings object
+ * @param name a setting's name
+ * @param val set to the default value if the named setting exists
+ * @return #FLUID_OK if the default value of the named setting exists, #FLUID_FAILED otherwise
+ */
+int
+fluid_settings_getnum_default(fluid_settings_t *settings, const char *name, double *val)
+{
+    fluid_setting_node_t *node;
+    int retval = FLUID_FAILED;
+
+    fluid_return_val_if_fail(settings != NULL, retval);
+    fluid_return_val_if_fail(name != NULL, retval);
+    fluid_return_val_if_fail(name[0] != '\0', retval);
+    fluid_return_val_if_fail(val != NULL, retval);
+
+    fluid_rec_mutex_lock(settings->mutex);
+
+    if(fluid_settings_get(settings, name, &node) == FLUID_OK
+            && (node->type == FLUID_NUM_TYPE))
+    {
+        fluid_num_setting_t *setting = &node->num;
+        *val = setting->def;
+        retval = FLUID_OK;
+    }
+
+    fluid_rec_mutex_unlock(settings->mutex);
+
+    return retval;
+}
+
+/**
+ * Set an integer value for a setting
+ *
+ * @param settings a settings object
+ * @param name a setting's name
+ * @param val new setting's integer value
+ * @return #FLUID_OK if the value has been set, #FLUID_FAILED otherwise
+ */
+int
+fluid_settings_setint(fluid_settings_t *settings, const char *name, int val)
+{
+    fluid_setting_node_t *node;
+    fluid_int_setting_t *setting;
+    fluid_int_update_t callback = NULL;
+    void *data = NULL;
+
+    fluid_return_val_if_fail(settings != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(name != NULL, FLUID_FAILED);
+    fluid_return_val_if_fail(name[0] != '\0', FLUID_FAILED);
+
+    fluid_rec_mutex_lock(settings->mutex);
+
+    if((fluid_settings_get(settings, name, &node) != FLUID_OK)
+            || (node->type != FLUID_INT_TYPE))
+    {
+        FLUID_LOG(FLUID_ERR, "Unknown integer parameter '%s'", name);
+        goto error_recovery;
+    }
+
+    setting = &node->i;
+
+    if(val < setting->min || val > setting->max)
+    {
+        FLUID_LOG(FLUID_ERR, "requested set value for setting '%s' out of range", name);
+        goto error_recovery;
+    }
+
+    setting->value = val;
+
+    callback = setting->update;
+    data = setting->data;
+
+    /* Release the mutex before calling the update callback, to avoid
+     * possible deadlocks with FluidSynths API lock */
+    fluid_rec_mutex_unlock(settings->mutex);
+
+    if(callback)
+    {
+        (*callback)(data, name, val);
+    }
+
+    return FLUID_OK;
+
+error_recovery:
+    fluid_rec_mutex_unlock(settings->mutex);
+    return FLUID_FAILED;
+}
+
+/**
+ * Get an integer value setting.
+ *
+ * @param settings a settings object
+ * @param name a setting's name
+ * @param val pointer to a variable to receive the setting's integer value
+ * @return #FLUID_OK if the value exists, #FLUID_FAILED otherwise
+ */
+int
+fluid_settings_getint(fluid_settings_t *settings, const char *name, int *val)
+{
+    fluid_setting_node_t *node;
+    int retval = FLUID_FAILED;
+
+    fluid_return_val_if_fail(settings != NULL, retval);
+    fluid_return_val_if_fail(name != NULL, retval);
+    fluid_return_val_if_fail(name[0] != '\0', retval);
+    fluid_return_val_if_fail(val != NULL, retval);
+
+    fluid_rec_mutex_lock(settings->mutex);
+
+    if(fluid_settings_get(settings, name, &node) == FLUID_OK
+            && (node->type == FLUID_INT_TYPE))
+    {
+        fluid_int_setting_t *setting = &node->i;
+        *val = setting->value;
+        retval = FLUID_OK;
+    }
+
+    fluid_rec_mutex_unlock(settings->mutex);
+
+    return retval;
+}
+
+/**
+ * Get the range of values of an integer setting
+ *
+ * @param settings a settings object
+ * @param name a setting's name
+ * @param min setting's range lower limit
+ * @param max setting's range upper limit
+ * @return #FLUID_OK if the setting's range exists, #FLUID_FAILED otherwise
+ */
+int
+fluid_settings_getint_range(fluid_settings_t *settings, const char *name,
+                            int *min, int *max)
+{
+    fluid_setting_node_t *node;
+    int retval = FLUID_FAILED;
+
+    fluid_return_val_if_fail(settings != NULL, retval);
+    fluid_return_val_if_fail(name != NULL, retval);
+    fluid_return_val_if_fail(name[0] != '\0', retval);
+    fluid_return_val_if_fail(min != NULL, retval);
+    fluid_return_val_if_fail(max != NULL, retval);
+
+    fluid_rec_mutex_lock(settings->mutex);
+
+    if(fluid_settings_get(settings, name, &node) == FLUID_OK
+            && (node->type == FLUID_INT_TYPE))
+    {
+        fluid_int_setting_t *setting = &node->i;
+        *min = setting->min;
+        *max = setting->max;
+        retval = FLUID_OK;
+    }
+
+    fluid_rec_mutex_unlock(settings->mutex);
+
+    return retval;
+}
+
+/**
+ * Get the default value of an integer setting.
+ *
+ * @param settings a settings object
+ * @param name a setting's name
+ * @param val set to the setting's default integer value if it exists
+ * @return #FLUID_OK if the setting's default integer value exists, #FLUID_FAILED otherwise
+ */
+int fluid_settings_getint_default(fluid_settings_t *settings, const char *name, int *val)
+{
+    fluid_setting_node_t *node;
+    int retval = FLUID_FAILED;
+
+    fluid_return_val_if_fail(settings != NULL, retval);
+    fluid_return_val_if_fail(name != NULL, retval);
+    fluid_return_val_if_fail(name[0] != '\0', retval);
+    fluid_return_val_if_fail(val != NULL, retval);
+
+    fluid_rec_mutex_lock(settings->mutex);
+
+    if(fluid_settings_get(settings, name, &node) == FLUID_OK
+            && (node->type == FLUID_INT_TYPE))
+    {
+        fluid_int_setting_t *setting = &node->i;
+        *val = setting->def;
+        retval = FLUID_OK;
+    }
+
+    fluid_rec_mutex_unlock(settings->mutex);
+
+    return retval;
+}
+
+/**
+ * Iterate the available options for a named string setting, calling the provided
+ * callback function for each existing option.
+ *
+ * @param settings a settings object
+ * @param name a setting's name
+ * @param data any user provided pointer
+ * @param func callback function to be called on each iteration
+ *
+ * @note Starting with FluidSynth 1.1.0 the \p func callback is called for each
+ * option in alphabetical order.  Sort order was undefined in previous versions.
+ */
+void
+fluid_settings_foreach_option(fluid_settings_t *settings, const char *name,
+                              void *data, fluid_settings_foreach_option_t func)
+{
+    fluid_setting_node_t *node;
+    fluid_str_setting_t *setting;
+    fluid_list_t *p, *newlist = NULL;
+
+    fluid_return_if_fail(settings != NULL);
+    fluid_return_if_fail(name != NULL);
+    fluid_return_if_fail(name[0] != '\0');
+    fluid_return_if_fail(func != NULL);
+
+    fluid_rec_mutex_lock(settings->mutex);        /* ++ lock */
+
+    if(fluid_settings_get(settings, name, &node) != FLUID_OK
+            || node->type != FLUID_STR_TYPE)
+    {
+        fluid_rec_mutex_unlock(settings->mutex);    /* -- unlock */
+        return;
+    }
+
+    setting = &node->str;
+
+    /* Duplicate option list */
+    for(p = setting->options; p; p = p->next)
+    {
+        newlist = fluid_list_append(newlist, fluid_list_get(p));
+    }
+
+    /* Sort by name */
+    newlist = fluid_list_sort(newlist, fluid_list_str_compare_func);
+
+    for(p = newlist; p; p = p->next)
+    {
+        (*func)(data, name, (const char *)fluid_list_get(p));
+    }
+
+    fluid_rec_mutex_unlock(settings->mutex);    /* -- unlock */
+
+    delete_fluid_list(newlist);
+}
+
+/**
+ * Count option string values for a string setting.
+ *
+ * @param settings a settings object
+ * @param name Name of setting
+ * @return Count of options for this string setting (0 if none, -1 if not found
+ *   or not a string setting)
+ *
+ * @since 1.1.0
+ */
+int
+fluid_settings_option_count(fluid_settings_t *settings, const char *name)
+{
+    fluid_setting_node_t *node;
+    int count = -1;
+
+    fluid_return_val_if_fail(settings != NULL, -1);
+    fluid_return_val_if_fail(name != NULL, -1);
+    fluid_return_val_if_fail(name[0] != '\0', -1);
+
+    fluid_rec_mutex_lock(settings->mutex);
+
+    if(fluid_settings_get(settings, name, &node) == FLUID_OK
+            && node->type == FLUID_STR_TYPE)
+    {
+        count = fluid_list_size(node->str.options);
+    }
+
+    fluid_rec_mutex_unlock(settings->mutex);
+
+    return (count);
+}
+
+/**
+ * Concatenate options for a string setting together with a separator between.
+ *
+ * @param settings Settings object
+ * @param name Settings name
+ * @param separator String to use between options (NULL to use ", ")
+ * @return Newly allocated string or NULL on error (out of memory, not a valid
+ *   setting \p name or not a string setting). Free the string when finished with it by using fluid_free().
+ *
+ * @since 1.1.0
+ */
+char *
+fluid_settings_option_concat(fluid_settings_t *settings, const char *name,
+                             const char *separator)
+{
+    fluid_setting_node_t *node;
+    fluid_list_t *p, *newlist = NULL;
+    size_t count, len;
+    char *str, *option;
+
+    fluid_return_val_if_fail(settings != NULL, NULL);
+    fluid_return_val_if_fail(name != NULL, NULL);
+    fluid_return_val_if_fail(name[0] != '\0', NULL);
+
+    if(!separator)
+    {
+        separator = ", ";
+    }
+
+    fluid_rec_mutex_lock(settings->mutex);        /* ++ lock */
+
+    if(fluid_settings_get(settings, name, &node) != FLUID_OK
+            || node->type != FLUID_STR_TYPE)
+    {
+        fluid_rec_mutex_unlock(settings->mutex);    /* -- unlock */
+        return (NULL);
+    }
+
+    /* Duplicate option list, count options and get total string length */
+    for(p = node->str.options, count = 0, len = 0; p; p = p->next)
+    {
+        option = fluid_list_get(p);
+
+        if(option)
+        {
+            newlist = fluid_list_append(newlist, option);
+            len += FLUID_STRLEN(option);
+            count++;
+        }
+    }
+
+    if(count > 1)
+    {
+        len += (count - 1) * FLUID_STRLEN(separator);
+    }
+
+    len++;        /* For terminator */
+
+    /* Sort by name */
+    newlist = fluid_list_sort(newlist, fluid_list_str_compare_func);
+
+    str = FLUID_MALLOC(len);
+
+    if(str)
+    {
+        str[0] = 0;
+
+        for(p = newlist; p; p = p->next)
+        {
+            option = fluid_list_get(p);
+            strcat(str, option);
+
+            if(p->next)
+            {
+                strcat(str, separator);
+            }
+        }
+    }
+
+    fluid_rec_mutex_unlock(settings->mutex);    /* -- unlock */
+
+    delete_fluid_list(newlist);
+
+    if(!str)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+    }
+
+    return (str);
+}
+
+/* Structure passed to fluid_settings_foreach_iter recursive function */
+typedef struct
+{
+    char path[MAX_SETTINGS_LABEL + 1];    /* Maximum settings label length */
+    fluid_list_t *names;                  /* For fluid_settings_foreach() */
+} fluid_settings_foreach_bag_t;
+
+static int
+fluid_settings_foreach_iter(void *key, void *value, void *data)
+{
+    fluid_settings_foreach_bag_t *bag = data;
+    char *keystr = key;
+    fluid_setting_node_t *node = value;
+    size_t pathlen;
+    char *s;
+
+    pathlen = FLUID_STRLEN(bag->path);
+
+    if(pathlen > 0)
+    {
+        bag->path[pathlen] = '.';
+        bag->path[pathlen + 1] = 0;
+    }
+
+    strcat(bag->path, keystr);
+
+    switch(node->type)
+    {
+    case FLUID_NUM_TYPE:
+    case FLUID_INT_TYPE:
+    case FLUID_STR_TYPE:
+        s = FLUID_STRDUP(bag->path);
+
+        if(s)
+        {
+            bag->names = fluid_list_append(bag->names, s);
+        }
+
+        break;
+
+    case FLUID_SET_TYPE:
+        fluid_hashtable_foreach(node->set.hashtable,
+                                fluid_settings_foreach_iter, bag);
+        break;
+    }
+
+    bag->path[pathlen] = 0;
+
+    return 0;
+}
+
+/**
+ * Iterate the existing settings defined in a settings object, calling the
+ * provided callback function for each setting.
+ *
+ * @param settings a settings object
+ * @param data any user provided pointer
+ * @param func callback function to be called on each iteration
+ *
+ * @note Starting with FluidSynth 1.1.0 the \p func callback is called for each
+ * setting in alphabetical order.  Sort order was undefined in previous versions.
+ */
+void
+fluid_settings_foreach(fluid_settings_t *settings, void *data,
+                       fluid_settings_foreach_t func)
+{
+    fluid_settings_foreach_bag_t bag;
+    fluid_setting_node_t *node;
+    fluid_list_t *p;
+
+    fluid_return_if_fail(settings != NULL);
+    fluid_return_if_fail(func != NULL);
+
+    bag.path[0] = 0;
+    bag.names = NULL;
+
+    fluid_rec_mutex_lock(settings->mutex);
+
+    /* Add all node names to the bag.names list */
+    fluid_hashtable_foreach(settings, fluid_settings_foreach_iter, &bag);
+
+    /* Sort names */
+    bag.names = fluid_list_sort(bag.names, fluid_list_str_compare_func);
+
+    /* Loop over names and call the callback */
+    for(p = bag.names; p; p = p->next)
+    {
+        if(fluid_settings_get(settings, (const char *)(p->data), &node) == FLUID_OK
+                && node)
+        {
+            (*func)(data, (const char *)(p->data), node->type);
+        }
+
+        FLUID_FREE(p->data);        /* -- Free name */
+    }
+
+    fluid_rec_mutex_unlock(settings->mutex);
+
+    delete_fluid_list(bag.names);         /* -- Free names list */
+}
+
+/**
+ * Split a comma-separated list of integers and fill the passed
+ * in buffer with the parsed values.
+ *
+ * @param str the comma-separated string to split
+ * @param buf user-supplied buffer to hold the parsed numbers
+ * @param buf_len length of user-supplied buffer
+ * @return number of parsed values or -1 on failure
+ */
+int fluid_settings_split_csv(const char *str, int *buf, int buf_len)
+{
+    char *s;
+    char *tok;
+    char *tokstr;
+    int n = 0;
+
+    s = tokstr = FLUID_STRDUP(str);
+
+    if(s == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return -1;
+    }
+
+    while((tok = fluid_strtok(&tokstr, ",")) && n < buf_len)
+    {
+        buf[n++] = atoi(tok);
+    }
+
+    FLUID_FREE(s);
+
+    return n;
+}
diff --git a/libs/fluidsynth/src/utils/fluid_settings.h b/libs/fluidsynth/src/utils/fluid_settings.h
new file mode 100644
index 00000000000..73a63e86db5
--- /dev/null
+++ b/libs/fluidsynth/src/utils/fluid_settings.h
@@ -0,0 +1,65 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+
+#ifndef _FLUID_SETTINGS_H
+#define _FLUID_SETTINGS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int fluid_settings_add_option(fluid_settings_t *settings, const char *name, const char *s);
+int fluid_settings_remove_option(fluid_settings_t *settings, const char *name, const char *s);
+
+
+typedef void (*fluid_str_update_t)(void *data, const char *name, const char *value);
+
+int fluid_settings_register_str(fluid_settings_t *settings, const char *name, const char *def, int hints);
+int fluid_settings_callback_str(fluid_settings_t *settings, const char *name,
+                                fluid_str_update_t fun, void *data);
+
+
+typedef void (*fluid_num_update_t)(void *data, const char *name, double value);
+
+int fluid_settings_register_num(fluid_settings_t *settings, const char *name, double def,
+                                double min, double max, int hints);
+int fluid_settings_callback_num(fluid_settings_t *settings, const char *name,
+                                fluid_num_update_t fun, void *data);
+
+/* Type specific wrapper for fluid_settings_getnum */
+int fluid_settings_getnum_float(fluid_settings_t *settings, const char *name, float *val);
+
+
+typedef void (*fluid_int_update_t)(void *data, const char *name, int value);
+int fluid_settings_register_int(fluid_settings_t *settings, const char *name, int def,
+                                int min, int max, int hints);
+int fluid_settings_callback_int(fluid_settings_t *settings, const char *name,
+                                fluid_int_update_t fun, void *data);
+
+int fluid_settings_split_csv(const char *str, int *buf, int buf_len);
+
+void* fluid_settings_get_user_data(fluid_settings_t * settings, const char *name);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _FLUID_SETTINGS_H */
diff --git a/libs/fluidsynth/src/utils/fluid_sys.c b/libs/fluidsynth/src/utils/fluid_sys.c
new file mode 100644
index 00000000000..d5ebd168684
--- /dev/null
+++ b/libs/fluidsynth/src/utils/fluid_sys.c
@@ -0,0 +1,1803 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+#include "fluid_sys.h"
+
+
+#if READLINE_SUPPORT
+#include <readline/readline.h>
+#include <readline/history.h>
+#endif
+
+#ifdef DBUS_SUPPORT
+#include "fluid_rtkit.h"
+#endif
+
+#if HAVE_PTHREAD_H && !defined(_WIN32)
+// Do not include pthread on windows. It includes winsock.h, which collides with ws2tcpip.h from fluid_sys.h
+// It isn't need on Windows anyway.
+#include <pthread.h>
+#endif
+
+/* WIN32 HACK - Flag used to differentiate between a file descriptor and a socket.
+ * Should work, so long as no SOCKET or file descriptor ends up with this bit set. - JG */
+#ifdef _WIN32
+#define FLUID_SOCKET_FLAG      0x40000000
+#else
+#define FLUID_SOCKET_FLAG      0x00000000
+#define SOCKET_ERROR           -1
+#define INVALID_SOCKET         -1
+#endif
+
+/* SCHED_FIFO priority for high priority timer threads */
+#define FLUID_SYS_TIMER_HIGH_PRIO_LEVEL         10
+
+
+typedef struct
+{
+    fluid_thread_func_t func;
+    void *data;
+    int prio_level;
+} fluid_thread_info_t;
+
+struct _fluid_timer_t
+{
+    long msec;
+
+    // Pointer to a function to be executed by the timer.
+    // This field is set to NULL once the timer is finished to indicate completion.
+    // This allows for timed waits, rather than waiting forever as fluid_timer_join() does.
+    fluid_timer_callback_t callback;
+    void *data;
+    fluid_thread_t *thread;
+    int cont;
+    int auto_destroy;
+};
+
+struct _fluid_server_socket_t
+{
+    fluid_socket_t socket;
+    fluid_thread_t *thread;
+    int cont;
+    fluid_server_func_t func;
+    void *data;
+};
+
+
+static int fluid_istream_gets(fluid_istream_t in, char *buf, int len);
+
+static fluid_log_function_t fluid_log_function[LAST_LOG_LEVEL] =
+{
+    fluid_default_log_function,
+    fluid_default_log_function,
+    fluid_default_log_function,
+    fluid_default_log_function,
+#ifdef DEBUG
+    fluid_default_log_function
+#else
+    NULL
+#endif
+};
+static void *fluid_log_user_data[LAST_LOG_LEVEL] = { NULL };
+
+static const char fluid_libname[] = "fluidsynth";
+
+/**
+ * Installs a new log function for a specified log level.
+ * @param level Log level to install handler for.
+ * @param fun Callback function handler to call for logged messages
+ * @param data User supplied data pointer to pass to log function
+ * @return The previously installed function.
+ */
+fluid_log_function_t
+fluid_set_log_function(int level, fluid_log_function_t fun, void *data)
+{
+    fluid_log_function_t old = NULL;
+
+    if((level >= 0) && (level < LAST_LOG_LEVEL))
+    {
+        old = fluid_log_function[level];
+        fluid_log_function[level] = fun;
+        fluid_log_user_data[level] = data;
+    }
+
+    return old;
+}
+
+/**
+ * Default log function which prints to the stderr.
+ * @param level Log level
+ * @param message Log message
+ * @param data User supplied data (not used)
+ */
+void
+fluid_default_log_function(int level, const char *message, void *data)
+{
+    FILE *out;
+
+#if defined(_WIN32)
+    out = stdout;
+#else
+    out = stderr;
+#endif
+
+    switch(level)
+    {
+    case FLUID_PANIC:
+        FLUID_FPRINTF(out, "%s: panic: %s\n", fluid_libname, message);
+        break;
+
+    case FLUID_ERR:
+        FLUID_FPRINTF(out, "%s: error: %s\n", fluid_libname, message);
+        break;
+
+    case FLUID_WARN:
+        FLUID_FPRINTF(out, "%s: warning: %s\n", fluid_libname, message);
+        break;
+
+    case FLUID_INFO:
+        FLUID_FPRINTF(out, "%s: %s\n", fluid_libname, message);
+        break;
+
+    case FLUID_DBG:
+        FLUID_FPRINTF(out, "%s: debug: %s\n", fluid_libname, message);
+        break;
+
+    default:
+        FLUID_FPRINTF(out, "%s: %s\n", fluid_libname, message);
+        break;
+    }
+
+    fflush(out);
+}
+
+/**
+ * Print a message to the log.
+ * @param level Log level (#fluid_log_level).
+ * @param fmt Printf style format string for log message
+ * @param ... Arguments for printf 'fmt' message string
+ * @return Always returns #FLUID_FAILED
+ */
+int
+fluid_log(int level, const char *fmt, ...)
+{
+    if((level >= 0) && (level < LAST_LOG_LEVEL))
+    {
+        fluid_log_function_t fun = fluid_log_function[level];
+
+        if(fun != NULL)
+        {
+            char errbuf[1024];
+            
+            va_list args;
+            va_start(args, fmt);
+            FLUID_VSNPRINTF(errbuf, sizeof(errbuf), fmt, args);
+            va_end(args);
+        
+            (*fun)(level, errbuf, fluid_log_user_data[level]);
+        }
+    }
+
+    return FLUID_FAILED;
+}
+
+void* fluid_alloc(size_t len)
+{
+    void* ptr = malloc(len);
+
+#if defined(DEBUG) && !defined(_MSC_VER)
+    // garbage initialize allocated memory for debug builds to ease reproducing
+    // bugs like 44453ff23281b3318abbe432fda90888c373022b .
+    //
+    // MSVC++ already garbage initializes allocated memory by itself (debug-heap).
+    //
+    // 0xCC because
+    // * it makes pointers reliably crash when dereferencing them,
+    // * floating points are still some valid but insanely huge negative number, and
+    // * if for whatever reason this allocated memory is executed, it'll trigger
+    //   INT3 (...at least on x86)
+    if(ptr != NULL)
+    {
+        memset(ptr, 0xCC, len);
+    }
+#endif
+    return ptr;
+}
+
+/**
+ * Open a file with a UTF-8 string, even in Windows
+ * @param filename The name of the file to open
+ * @param mode The mode to open the file in
+ */
+FILE *fluid_fopen(const char *filename, const char *mode)
+{
+#if defined(_WIN32)
+    wchar_t *wpath = NULL, *wmode = NULL;
+    FILE *file = NULL;
+    int length;
+    if ((length = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, filename, -1, NULL, 0)) == 0)
+    {
+        FLUID_LOG(FLUID_ERR, "Unable to perform MultiByteToWideChar() conversion for filename '%s'. Error was: '%s'", filename, fluid_get_windows_error());
+        errno = EINVAL;
+        goto error_recovery;
+    }
+    
+    wpath = FLUID_MALLOC(length * sizeof(wchar_t));
+    if (wpath == NULL)
+    {
+        FLUID_LOG(FLUID_PANIC, "Out of memory.");
+        errno = EINVAL;
+        goto error_recovery;
+    }
+
+    MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, filename, -1, wpath, length);
+
+    if ((length = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, mode, -1, NULL, 0)) == 0)
+    {
+        FLUID_LOG(FLUID_ERR, "Unable to perform MultiByteToWideChar() conversion for mode '%s'. Error was: '%s'", mode, fluid_get_windows_error());
+        errno = EINVAL;
+        goto error_recovery;
+    }
+
+    wmode = FLUID_MALLOC(length * sizeof(wchar_t));
+    if (wmode == NULL)
+    {
+        FLUID_LOG(FLUID_PANIC, "Out of memory.");
+        errno = EINVAL;
+        goto error_recovery;
+    }
+
+    MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, mode, -1, wmode, length);
+
+    file = _wfopen(wpath, wmode);
+
+error_recovery:
+    FLUID_FREE(wpath);
+    FLUID_FREE(wmode);
+
+    return file;
+#else
+    return fopen(filename, mode);
+#endif
+}
+
+/**
+ * Wrapper for free() that satisfies at least C90 requirements.
+ *
+ * @param ptr Pointer to memory region that should be freed
+ *
+ * @note Only use this function when the API documentation explicitly says so. Otherwise use
+ * adequate \c delete_fluid_* functions.
+ *
+ * @warning Calling ::free() on memory that is advised to be freed with fluid_free() results in undefined behaviour!
+ * (cf.: "Potential Errors Passing CRT Objects Across DLL Boundaries" found in MS Docs)
+ *
+ * @since 2.0.7
+ */
+void fluid_free(void* ptr)
+{
+    free(ptr);
+}
+
+/**
+ * An improved strtok, still trashes the input string, but is portable and
+ * thread safe.  Also skips token chars at beginning of token string and never
+ * returns an empty token (will return NULL if source ends in token chars though).
+ * NOTE: NOT part of public API
+ * @internal
+ * @param str Pointer to a string pointer of source to tokenize.  Pointer gets
+ *   updated on each invocation to point to beginning of next token.  Note that
+ *   token char gets overwritten with a 0 byte.  String pointer is set to NULL
+ *   when final token is returned.
+ * @param delim String of delimiter chars.
+ * @return Pointer to the next token or NULL if no more tokens.
+ */
+char *fluid_strtok(char **str, char *delim)
+{
+    char *s, *d, *token;
+    char c;
+
+    if(str == NULL || delim == NULL || !*delim)
+    {
+        FLUID_LOG(FLUID_ERR, "Null pointer");
+        return NULL;
+    }
+
+    s = *str;
+
+    if(!s)
+    {
+        return NULL;    /* str points to a NULL pointer? (tokenize already ended) */
+    }
+
+    /* skip delimiter chars at beginning of token */
+    do
+    {
+        c = *s;
+
+        if(!c)	/* end of source string? */
+        {
+            *str = NULL;
+            return NULL;
+        }
+
+        for(d = delim; *d; d++)	/* is source char a token char? */
+        {
+            if(c == *d)	/* token char match? */
+            {
+                s++;		/* advance to next source char */
+                break;
+            }
+        }
+    }
+    while(*d);		/* while token char match */
+
+    token = s;		/* start of token found */
+
+    /* search for next token char or end of source string */
+    for(s = s + 1; *s; s++)
+    {
+        c = *s;
+
+        for(d = delim; *d; d++)	/* is source char a token char? */
+        {
+            if(c == *d)	/* token char match? */
+            {
+                *s = '\0';	/* overwrite token char with zero byte to terminate token */
+                *str = s + 1;	/* update str to point to beginning of next token */
+                return token;
+            }
+        }
+    }
+
+    /* we get here only if source string ended */
+    *str = NULL;
+    return token;
+}
+
+/**
+ * Suspend the execution of the current thread for the specified amount of time.
+ * @param milliseconds to wait.
+ */
+void fluid_msleep(unsigned int msecs)
+{
+    g_usleep(msecs * 1000);
+}
+
+/**
+ * Get time in milliseconds to be used in relative timing operations.
+ * @return Monotonic time in milliseconds.
+ */
+unsigned int fluid_curtime(void)
+{
+    double now;
+    static double initial_time = 0;
+
+    if(initial_time == 0)
+    {
+        initial_time = fluid_utime();
+    }
+
+    now = fluid_utime();
+
+    return (unsigned int)((now - initial_time) / 1000.0);
+}
+
+/**
+ * Get time in microseconds to be used in relative timing operations.
+ * @return time in microseconds.
+ * Note: When used for profiling we need high precision clock given
+ * by g_get_monotonic_time()if available (glib version >= 2.53.3).
+ * If glib version is too old and in the case of Windows the function
+ * uses high precision performance counter instead of g_getmonotic_time().
+ */
+double
+fluid_utime(void)
+{
+    double utime;
+
+#if GLIB_MAJOR_VERSION == 2 && GLIB_MINOR_VERSION >= 28
+    /* use high precision monotonic clock if available (g_monotonic_time().
+     * For Windows, if this clock is actually implemented as low prec. clock
+     * (i.e. in case glib is too old), high precision performance counter are
+     * used instead.
+     * see: https://bugzilla.gnome.org/show_bug.cgi?id=783340
+     */
+#if defined(WITH_PROFILING) &&  defined(_WIN32) &&\
+	/* glib < 2.53.3 */\
+	(GLIB_MINOR_VERSION <= 53 && (GLIB_MINOR_VERSION < 53 || GLIB_MICRO_VERSION < 3))
+    /* use high precision performance counter. */
+    static LARGE_INTEGER freq_cache = {0, 0};	/* Performance Frequency */
+    LARGE_INTEGER perf_cpt;
+
+    if(! freq_cache.QuadPart)
+    {
+        QueryPerformanceFrequency(&freq_cache);  /* Frequency value */
+    }
+
+    QueryPerformanceCounter(&perf_cpt); /* Counter value */
+    utime = perf_cpt.QuadPart * 1000000.0 / freq_cache.QuadPart; /* time in micros */
+#else
+    utime = g_get_monotonic_time();
+#endif
+#else
+    /* fallback to less precise clock */
+    GTimeVal timeval;
+    g_get_current_time(&timeval);
+    utime = (timeval.tv_sec * 1000000.0 + timeval.tv_usec);
+#endif
+
+    return utime;
+}
+
+
+
+#if defined(_WIN32)      /* Windoze specific stuff */
+
+void
+fluid_thread_self_set_prio(int prio_level)
+{
+    if(prio_level > 0)
+    {
+        SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_HIGHEST);
+    }
+}
+
+
+#elif defined(__OS2__)  /* OS/2 specific stuff */
+
+void
+fluid_thread_self_set_prio(int prio_level)
+{
+    if(prio_level > 0)
+    {
+        DosSetPriority(PRTYS_THREAD, PRTYC_REGULAR, PRTYD_MAXIMUM, 0);
+    }
+}
+
+#else   /* POSIX stuff..  Nice POSIX..  Good POSIX. */
+
+void
+fluid_thread_self_set_prio(int prio_level)
+{
+    struct sched_param priority;
+
+    if(prio_level > 0)
+    {
+
+        memset(&priority, 0, sizeof(priority));
+        priority.sched_priority = prio_level;
+
+        if(pthread_setschedparam(pthread_self(), SCHED_FIFO, &priority) == 0)
+        {
+            return;
+        }
+
+#ifdef DBUS_SUPPORT
+        /* Try to gain high priority via rtkit */
+
+        if(fluid_rtkit_make_realtime(0, prio_level) == 0)
+        {
+            return;
+        }
+
+#endif
+        FLUID_LOG(FLUID_WARN, "Failed to set thread to high priority");
+    }
+}
+
+#ifdef FPE_CHECK
+
+/***************************************************************
+ *
+ *               Floating point exceptions
+ *
+ *  The floating point exception functions were taken from Ircam's
+ *  jMax source code. https://www.ircam.fr/jmax
+ *
+ *  FIXME: check in config for i386 machine
+ *
+ *  Currently not used. I leave the code here in case we want to pick
+ *  this up again some time later.
+ */
+
+/* Exception flags */
+#define _FPU_STATUS_IE    0x001  /* Invalid Operation */
+#define _FPU_STATUS_DE    0x002  /* Denormalized Operand */
+#define _FPU_STATUS_ZE    0x004  /* Zero Divide */
+#define _FPU_STATUS_OE    0x008  /* Overflow */
+#define _FPU_STATUS_UE    0x010  /* Underflow */
+#define _FPU_STATUS_PE    0x020  /* Precision */
+#define _FPU_STATUS_SF    0x040  /* Stack Fault */
+#define _FPU_STATUS_ES    0x080  /* Error Summary Status */
+
+/* Macros for accessing the FPU status word.  */
+
+/* get the FPU status */
+#define _FPU_GET_SW(sw) __asm__ ("fnstsw %0" : "=m" (*&sw))
+
+/* clear the FPU status */
+#define _FPU_CLR_SW() __asm__ ("fnclex" : : )
+
+/* Purpose:
+ * Checks, if the floating point unit has produced an exception, print a message
+ * if so and clear the exception.
+ */
+unsigned int fluid_check_fpe_i386(char *explanation)
+{
+    unsigned int s;
+
+    _FPU_GET_SW(s);
+    _FPU_CLR_SW();
+
+    s &= _FPU_STATUS_IE | _FPU_STATUS_DE | _FPU_STATUS_ZE | _FPU_STATUS_OE | _FPU_STATUS_UE;
+
+    if(s)
+    {
+        FLUID_LOG(FLUID_WARN, "FPE exception (before or in %s): %s%s%s%s%s", explanation,
+                  (s & _FPU_STATUS_IE) ? "Invalid operation " : "",
+                  (s & _FPU_STATUS_DE) ? "Denormal number " : "",
+                  (s & _FPU_STATUS_ZE) ? "Zero divide " : "",
+                  (s & _FPU_STATUS_OE) ? "Overflow " : "",
+                  (s & _FPU_STATUS_UE) ? "Underflow " : "");
+    }
+
+    return s;
+}
+
+/* Purpose:
+ * Clear floating point exception.
+ */
+void fluid_clear_fpe_i386(void)
+{
+    _FPU_CLR_SW();
+}
+
+#endif	// ifdef FPE_CHECK
+
+
+#endif	// #else    (its POSIX)
+
+
+/***************************************************************
+ *
+ *               Profiling (Linux, i586 only)
+ *
+ */
+
+#if WITH_PROFILING
+/* Profiling interface between profiling command shell and audio rendering API
+  (FluidProfile_0004.pdf- 3.2.2).
+  Macros are in defined in fluid_sys.h.
+*/
+
+/*
+  -----------------------------------------------------------------------------
+  Shell task side |    Profiling interface               |  Audio task side
+  -----------------------------------------------------------------------------
+  profiling       |    Internal     |      |             |      Audio
+  command   <---> |<-- profiling -->| Data |<--macros -->| <--> rendering
+  shell           |    API          |      |             |      API
+
+*/
+/* default parameters for shell command "prof_start" in fluid_sys.c */
+unsigned short fluid_profile_notes = 0; /* number of generated notes */
+/* preset bank:0 prog:16 (organ) */
+unsigned char fluid_profile_bank = FLUID_PROFILE_DEFAULT_BANK;
+unsigned char fluid_profile_prog = FLUID_PROFILE_DEFAULT_PROG;
+
+/* print mode */
+unsigned char fluid_profile_print = FLUID_PROFILE_DEFAULT_PRINT;
+/* number of measures */
+unsigned short fluid_profile_n_prof = FLUID_PROFILE_DEFAULT_N_PROF;
+/* measure duration in ms */
+unsigned short fluid_profile_dur = FLUID_PROFILE_DEFAULT_DURATION;
+/* lock between multiple-shell */
+fluid_atomic_int_t fluid_profile_lock = 0;
+/**/
+
+/*----------------------------------------------
+  Profiling Data
+-----------------------------------------------*/
+unsigned char fluid_profile_status = PROFILE_STOP; /* command and status */
+unsigned int fluid_profile_end_ticks = 0;          /* ending position (in ticks) */
+fluid_profile_data_t fluid_profile_data[] =        /* Data duration */
+{
+    {"synth_write_* ------------>", 1e10, 0.0, 0.0, 0, 0, 0},
+    {"synth_one_block ---------->", 1e10, 0.0, 0.0, 0, 0, 0},
+    {"synth_one_block:clear ---->", 1e10, 0.0, 0.0, 0, 0, 0},
+    {"synth_one_block:one voice->", 1e10, 0.0, 0.0, 0, 0, 0},
+    {"synth_one_block:all voices>", 1e10, 0.0, 0.0, 0, 0, 0},
+    {"synth_one_block:reverb --->", 1e10, 0.0, 0.0, 0, 0, 0},
+    {"synth_one_block:chorus --->", 1e10, 0.0, 0.0, 0, 0, 0},
+    {"voice:note --------------->", 1e10, 0.0, 0.0, 0, 0, 0},
+    {"voice:release ------------>", 1e10, 0.0, 0.0, 0, 0, 0}
+};
+
+
+/*----------------------------------------------
+  Internal profiling API
+-----------------------------------------------*/
+/* logging profiling data (used on synthesizer instance deletion) */
+void fluid_profiling_print(void)
+{
+    int i;
+
+    printf("fluid_profiling_print\n");
+
+    FLUID_LOG(FLUID_INFO, "Estimated times: min/avg/max (micro seconds)");
+
+    for(i = 0; i < FLUID_PROFILE_NBR; i++)
+    {
+        if(fluid_profile_data[i].count > 0)
+        {
+            FLUID_LOG(FLUID_INFO, "%s: %.3f/%.3f/%.3f",
+                      fluid_profile_data[i].description,
+                      fluid_profile_data[i].min,
+                      fluid_profile_data[i].total / fluid_profile_data[i].count,
+                      fluid_profile_data[i].max);
+        }
+        else
+        {
+            FLUID_LOG(FLUID_DBG, "%s: no profiling available",
+                      fluid_profile_data[i].description);
+        }
+    }
+}
+
+/* Macro that returns cpu load in percent (%)
+ * @dur: duration (micro second).
+ * @sample_rate: sample_rate used in audio driver (Hz).
+ * @n_amples: number of samples collected during 'dur' duration.
+*/
+#define fluid_profile_load(dur,sample_rate,n_samples) \
+        (dur * sample_rate / n_samples / 10000.0)
+
+
+/* prints cpu loads only
+*
+* @param sample_rate the sample rate of audio output.
+* @param out output stream device.
+*
+* ------------------------------------------------------------------------------
+* Cpu loads(%) (sr: 44100 Hz, sp: 22.68 microsecond) and maximum voices
+* ------------------------------------------------------------------------------
+* nVoices| total(%)|voices(%)| reverb(%)|chorus(%)| voice(%)|estimated maxVoices
+* -------|---------|---------|----------|---------|---------|-------------------
+*     250|   41.544|   41.544|     0.000|    0.000|    0.163|              612
+*/
+static void fluid_profiling_print_load(double sample_rate, fluid_ostream_t out)
+{
+    unsigned int n_voices; /* voices number */
+    static const char max_voices_not_available[] = "      not available";
+    const char *pmax_voices;
+    char max_voices_available[20];
+
+    /* First computes data to be printed */
+    double  total, voices, reverb, chorus, all_voices, voice;
+    /* voices number */
+    n_voices = fluid_profile_data[FLUID_PROF_ONE_BLOCK_VOICES].count ?
+               fluid_profile_data[FLUID_PROF_ONE_BLOCK_VOICES].n_voices /
+               fluid_profile_data[FLUID_PROF_ONE_BLOCK_VOICES].count : 0;
+
+    /* total load (%) */
+    total =  fluid_profile_data[FLUID_PROF_WRITE].count ?
+             fluid_profile_load(fluid_profile_data[FLUID_PROF_WRITE].total, sample_rate,
+                                fluid_profile_data[FLUID_PROF_WRITE].n_samples) : 0;
+
+    /* reverb load (%) */
+    reverb = fluid_profile_data[FLUID_PROF_ONE_BLOCK_REVERB].count ?
+             fluid_profile_load(fluid_profile_data[FLUID_PROF_ONE_BLOCK_REVERB].total,
+                                sample_rate,
+                                fluid_profile_data[FLUID_PROF_ONE_BLOCK_REVERB].n_samples) : 0;
+
+    /* chorus load (%) */
+    chorus = fluid_profile_data[FLUID_PROF_ONE_BLOCK_CHORUS].count ?
+             fluid_profile_load(fluid_profile_data[FLUID_PROF_ONE_BLOCK_CHORUS].total,
+                                sample_rate,
+                                fluid_profile_data[FLUID_PROF_ONE_BLOCK_CHORUS].n_samples) : 0;
+
+    /* total voices load: total - reverb - chorus (%) */
+    voices = total - reverb - chorus;
+
+    /* One voice load (%): all_voices / n_voices. */
+    all_voices = fluid_profile_data[FLUID_PROF_ONE_BLOCK_VOICES].count ?
+                 fluid_profile_load(fluid_profile_data[FLUID_PROF_ONE_BLOCK_VOICES].total,
+                                    sample_rate,
+                                    fluid_profile_data[FLUID_PROF_ONE_BLOCK_VOICES].n_samples) : 0;
+
+    voice = n_voices ?  all_voices / n_voices : 0;
+
+    /* estimated maximum voices number */
+    if(voice > 0)
+    {
+        FLUID_SNPRINTF(max_voices_available, sizeof(max_voices_available),
+                       "%17d", (unsigned int)((100.0 - reverb - chorus) / voice));
+        pmax_voices = max_voices_available;
+    }
+    else
+    {
+        pmax_voices = max_voices_not_available;
+    }
+
+    /* Now prints data */
+    fluid_ostream_printf(out,
+                         " ------------------------------------------------------------------------------\n");
+    fluid_ostream_printf(out,
+                         " Cpu loads(%%) (sr:%6.0f Hz, sp:%6.2f microsecond) and maximum voices\n",
+                         sample_rate, 1000000.0 / sample_rate);
+    fluid_ostream_printf(out,
+                         " ------------------------------------------------------------------------------\n");
+    fluid_ostream_printf(out,
+                         " nVoices| total(%%)|voices(%%)| reverb(%%)|chorus(%%)| voice(%%)|estimated maxVoices\n");
+    fluid_ostream_printf(out,
+                         " -------|---------|---------|----------|---------|---------|-------------------\n");
+    fluid_ostream_printf(out,
+                         "%8d|%9.3f|%9.3f|%10.3f|%9.3f|%9.3f|%s\n", n_voices, total, voices,
+                         reverb, chorus, voice, pmax_voices);
+}
+
+/*
+* prints profiling data (used by profile shell command: prof_start).
+* The function is an internal profiling API between the "profile" command
+* prof_start and audio rendering API (see FluidProfile_0004.pdf - 3.2.2).
+*
+* @param sample_rate the sample rate of audio output.
+* @param out output stream device.
+*
+* When print mode is 1, the function prints all the information (see below).
+* When print mode is 0, the function prints only the cpu loads.
+*
+* ------------------------------------------------------------------------------
+* Duration(microsecond) and cpu loads(%) (sr: 44100 Hz, sp: 22.68 microsecond)
+* ------------------------------------------------------------------------------
+* Code under profiling       |Voices|       Duration (microsecond)   |  Load(%)
+*                            |   nbr|       min|       avg|       max|
+* ---------------------------|------|--------------------------------|----------
+* synth_write_* ------------>|   250|      3.91|   2188.82|   3275.00|  41.544
+* synth_one_block ---------->|   250|   1150.70|   2273.56|   3241.47|  41.100
+* synth_one_block:clear ---->|   250|      3.07|      4.62|     61.18|   0.084
+* synth_one_block:one voice->|     1|      4.19|      9.02|   1044.27|   0.163
+* synth_one_block:all voices>|   250|   1138.41|   2259.11|   3217.73|  40.839
+* synth_one_block:reverb --->| no profiling available
+* synth_one_block:chorus --->| no profiling available
+* voice:note --------------->| no profiling available
+* voice:release ------------>| no profiling available
+* ------------------------------------------------------------------------------
+* Cpu loads(%) (sr: 44100 Hz, sp: 22.68 microsecond) and maximum voices
+* ------------------------------------------------------------------------------
+* nVoices| total(%)|voices(%)| reverb(%)|chorus(%)| voice(%)|estimated maxVoices
+* -------|---------|---------|----------|---------|---------|-------------------
+*     250|   41.544|   41.544|     0.000|    0.000|    0.163|              612
+*/
+void fluid_profiling_print_data(double sample_rate, fluid_ostream_t out)
+{
+    int i;
+
+    if(fluid_profile_print)
+    {
+        /* print all details: Duration(microsecond) and cpu loads(%) */
+        fluid_ostream_printf(out,
+                             " ------------------------------------------------------------------------------\n");
+        fluid_ostream_printf(out,
+                             " Duration(microsecond) and cpu loads(%%) (sr:%6.0f Hz, sp:%6.2f microsecond)\n",
+                             sample_rate, 1000000.0 / sample_rate);
+        fluid_ostream_printf(out,
+                             " ------------------------------------------------------------------------------\n");
+        fluid_ostream_printf(out,
+                             " Code under profiling       |Voices|       Duration (microsecond)   |  Load(%%)\n");
+        fluid_ostream_printf(out,
+                             "                            |   nbr|       min|       avg|       max|\n");
+        fluid_ostream_printf(out,
+                             " ---------------------------|------|--------------------------------|----------\n");
+
+        for(i = 0; i < FLUID_PROFILE_NBR; i++)
+        {
+            unsigned int count = fluid_profile_data[i].count;
+
+            if(count > 0)
+            {
+                /* data are available */
+
+                if(FLUID_PROF_WRITE <= i && i <= FLUID_PROF_ONE_BLOCK_CHORUS)
+                {
+                    double load = fluid_profile_load(fluid_profile_data[i].total, sample_rate,
+                                                     fluid_profile_data[i].n_samples);
+                    fluid_ostream_printf(out, " %s|%6d|%10.2f|%10.2f|%10.2f|%8.3f\n",
+                                         fluid_profile_data[i].description, /* code under profiling */
+                                         fluid_profile_data[i].n_voices / count, /* voices number */
+                                         fluid_profile_data[i].min,              /* minimum duration */
+                                         fluid_profile_data[i].total / count,    /* average duration */
+                                         fluid_profile_data[i].max,              /* maximum duration */
+                                         load);                                  /* cpu load */
+                }
+                else
+                {
+                    /* note and release duration */
+                    fluid_ostream_printf(out, " %s|%6d|%10.0f|%10.0f|%10.0f|\n",
+                                         fluid_profile_data[i].description, /* code under profiling */
+                                         fluid_profile_data[i].n_voices / count,
+                                         fluid_profile_data[i].min,              /* minimum duration */
+                                         fluid_profile_data[i].total / count,    /* average duration */
+                                         fluid_profile_data[i].max);             /* maximum duration */
+                }
+            }
+            else
+            {
+                /* data aren't available */
+                fluid_ostream_printf(out,
+                                     " %s| no profiling available\n", fluid_profile_data[i].description);
+            }
+        }
+    }
+
+    /* prints cpu loads only */
+    fluid_profiling_print_load(sample_rate, out);/* prints cpu loads */
+}
+
+/*
+ Returns true if the user cancels the current profiling measurement.
+ Actually this is implemented using the <ENTER> key. To add this functionality:
+ 1) Adds #define FLUID_PROFILE_CANCEL in fluid_sys.h.
+ 2) Adds the necessary code inside fluid_profile_is_cancel().
+
+ When FLUID_PROFILE_CANCEL is not defined, the function return FALSE.
+*/
+int fluid_profile_is_cancel_req(void)
+{
+#ifdef FLUID_PROFILE_CANCEL
+
+#if defined(_WIN32)      /* Windows specific stuff */
+    /* Profile cancellation is supported for Windows */
+    /* returns TRUE if key <ENTER> is depressed */
+    return(GetAsyncKeyState(VK_RETURN) & 0x1);
+
+#elif defined(__OS2__)  /* OS/2 specific stuff */
+    /* Profile cancellation isn't yet supported for OS2 */
+    /* For OS2, replaces the following  line with the function that returns
+    true when the keyboard key <ENTER> is depressed */
+    return FALSE; /* default value */
+
+#else   /* POSIX stuff */
+    /* Profile cancellation is supported for Linux */
+    /* returns true is <ENTER> is depressed */
+    {
+        /* Here select() is used to poll the standard input to see if an input
+         is ready. As the standard input is usually buffered, the user
+         needs to depress <ENTER> to set the input to a "ready" state.
+        */
+        struct timeval tv;
+        fd_set fds;    /* just one fds need to be polled */
+        tv.tv_sec = 0; /* Setting both values to 0, means a 0 timeout */
+        tv.tv_usec = 0;
+        FD_ZERO(&fds); /* reset fds */
+        FD_SET(STDIN_FILENO, &fds); /* sets fds to poll standard input only */
+        select(STDIN_FILENO + 1, &fds, NULL, NULL, &tv); /* polling */
+        return (FD_ISSET(0, &fds)); /* returns true if standard input is ready */
+    }
+#endif /* OS stuff */
+
+#else /* FLUID_PROFILE_CANCEL not defined */
+    return FALSE; /* default value */
+#endif /* FLUID_PROFILE_CANCEL */
+}
+
+/**
+* Returns status used in shell command "prof_start".
+* The function is an internal profiling API between the "profile" command
+* prof_start and audio rendering API (see FluidProfile_0004.pdf - 3.2.2).
+*
+* @return status
+* - PROFILE_READY profiling data are ready.
+* - PROFILE_RUNNING, profiling data are still under acquisition.
+* - PROFILE_CANCELED, acquisition has been cancelled by the user.
+* - PROFILE_STOP, no acquisition in progress.
+*
+* When status is PROFILE_RUNNING, the caller can do passive waiting, or other
+* work before recalling the function later.
+*/
+int fluid_profile_get_status(void)
+{
+    /* Checks if user has requested to cancel the current measurement */
+    /* Cancellation must have precedence over other status */
+    if(fluid_profile_is_cancel_req())
+    {
+        fluid_profile_start_stop(0, 0); /* stops the measurement */
+        return PROFILE_CANCELED;
+    }
+
+    switch(fluid_profile_status)
+    {
+    case PROFILE_READY:
+        return PROFILE_READY; /* profiling data are ready */
+
+    case PROFILE_START:
+        return PROFILE_RUNNING;/* profiling data are under acquisition */
+
+    default:
+        return PROFILE_STOP;
+    }
+}
+
+/**
+*  Starts or stops profiling measurement.
+*  The function is an internal profiling API between the "profile" command
+*  prof_start and audio rendering API (see FluidProfile_0004.pdf - 3.2.2).
+*
+*  @param end_tick end position of the measure (in ticks).
+*  - If end_tick is greater then 0, the function starts a measure if a measure
+*    isn't running. If a measure is already running, the function does nothing
+*    and returns.
+*  - If end_tick is 0, the function stops a measure.
+*  @param clear_data,
+*  - If clear_data is 0, the function clears fluid_profile_data before starting
+*    a measure, otherwise, the data from the started measure will be accumulated
+*    within fluid_profile_data.
+*/
+void fluid_profile_start_stop(unsigned int end_ticks, short clear_data)
+{
+    if(end_ticks)    /* This is a "start" request */
+    {
+        /* Checks if a measure is already running */
+        if(fluid_profile_status != PROFILE_START)
+        {
+            short i;
+            fluid_profile_end_ticks = end_ticks;
+
+            /* Clears profile data */
+            if(clear_data == 0)
+            {
+                for(i = 0; i < FLUID_PROFILE_NBR; i++)
+                {
+                    fluid_profile_data[i].min = 1e10;/* min sets to max value */
+                    fluid_profile_data[i].max = 0;   /* maximum sets to min value */
+                    fluid_profile_data[i].total = 0; /* total duration microsecond */
+                    fluid_profile_data[i].count = 0;    /* data count */
+                    fluid_profile_data[i].n_voices = 0; /* voices number */
+                    fluid_profile_data[i].n_samples = 0;/* audio samples number */
+                }
+            }
+
+            fluid_profile_status = PROFILE_START;	/* starts profiling */
+        }
+
+        /* else do nothing when profiling is already started */
+    }
+    else /* This is a "stop" request */
+    {
+        /* forces the current running profile (if any) to stop */
+        fluid_profile_status = PROFILE_STOP;	/* stops profiling */
+    }
+}
+
+#endif /* WITH_PROFILING */
+
+/***************************************************************
+ *
+ *               Threads
+ *
+ */
+
+#if OLD_GLIB_THREAD_API
+
+/* Rather than inline this one, we just declare it as a function, to prevent
+ * GCC warning about inline failure. */
+fluid_cond_t *
+new_fluid_cond(void)
+{
+    if(!g_thread_supported())
+    {
+        g_thread_init(NULL);
+    }
+
+    return g_cond_new();
+}
+
+#endif
+
+static gpointer
+fluid_thread_high_prio(gpointer data)
+{
+    fluid_thread_info_t *info = data;
+
+    fluid_thread_self_set_prio(info->prio_level);
+
+    info->func(info->data);
+    FLUID_FREE(info);
+
+    return NULL;
+}
+
+/**
+ * Create a new thread.
+ * @param func Function to execute in new thread context
+ * @param data User defined data to pass to func
+ * @param prio_level Priority level.  If greater than 0 then high priority scheduling will
+ *   be used, with the given priority level (used by pthreads only).  0 uses normal scheduling.
+ * @param detach If TRUE, 'join' does not work and the thread destroys itself when finished.
+ * @return New thread pointer or NULL on error
+ */
+fluid_thread_t *
+new_fluid_thread(const char *name, fluid_thread_func_t func, void *data, int prio_level, int detach)
+{
+    GThread *thread;
+    fluid_thread_info_t *info = NULL;
+    GError *err = NULL;
+
+    g_return_val_if_fail(func != NULL, NULL);
+
+#if OLD_GLIB_THREAD_API
+
+    /* Make sure g_thread_init has been called.
+     * Probably not a good idea in a shared library,
+     * but what can we do *and* remain backwards compatible? */
+    if(!g_thread_supported())
+    {
+        g_thread_init(NULL);
+    }
+
+#endif
+
+    if(prio_level > 0)
+    {
+        info = FLUID_NEW(fluid_thread_info_t);
+
+        if(!info)
+        {
+            FLUID_LOG(FLUID_ERR, "Out of memory");
+            return NULL;
+        }
+
+        info->func = func;
+        info->data = data;
+        info->prio_level = prio_level;
+#if NEW_GLIB_THREAD_API
+        thread = g_thread_try_new(name, fluid_thread_high_prio, info, &err);
+#else
+        thread = g_thread_create(fluid_thread_high_prio, info, detach == FALSE, &err);
+#endif
+    }
+
+    else
+    {
+#if NEW_GLIB_THREAD_API
+        thread = g_thread_try_new(name, (GThreadFunc)func, data, &err);
+#else
+        thread = g_thread_create((GThreadFunc)func, data, detach == FALSE, &err);
+#endif
+    }
+
+    if(!thread)
+    {
+        FLUID_LOG(FLUID_ERR, "Failed to create the thread: %s",
+                  fluid_gerror_message(err));
+        g_clear_error(&err);
+        FLUID_FREE(info);
+        return NULL;
+    }
+
+#if NEW_GLIB_THREAD_API
+
+    if(detach)
+    {
+        g_thread_unref(thread);    // Release thread reference, if caller wants to detach
+    }
+
+#endif
+
+    return thread;
+}
+
+/**
+ * Frees data associated with a thread (does not actually stop thread).
+ * @param thread Thread to free
+ */
+void
+delete_fluid_thread(fluid_thread_t *thread)
+{
+    /* Threads free themselves when they quit, nothing to do */
+}
+
+/**
+ * Join a thread (wait for it to terminate).
+ * @param thread Thread to join
+ * @return FLUID_OK
+ */
+int
+fluid_thread_join(fluid_thread_t *thread)
+{
+    g_thread_join(thread);
+
+    return FLUID_OK;
+}
+
+
+static fluid_thread_return_t
+fluid_timer_run(void *data)
+{
+    fluid_timer_t *timer;
+    int count = 0;
+    int cont;
+    long start;
+    long delay;
+
+    timer = (fluid_timer_t *)data;
+
+    /* keep track of the start time for absolute positioning */
+    start = fluid_curtime();
+
+    while(timer->cont)
+    {
+        cont = (*timer->callback)(timer->data, fluid_curtime() - start);
+
+        count++;
+
+        if(!cont)
+        {
+            break;
+        }
+
+        /* to avoid incremental time errors, calculate the delay between
+           two callbacks bringing in the "absolute" time (count *
+           timer->msec) */
+        delay = (count * timer->msec) - (fluid_curtime() - start);
+
+        if(delay > 0)
+        {
+            fluid_msleep(delay);
+        }
+    }
+
+    FLUID_LOG(FLUID_DBG, "Timer thread finished");
+    timer->callback = NULL;
+
+    if(timer->auto_destroy)
+    {
+        FLUID_FREE(timer);
+    }
+
+    return FLUID_THREAD_RETURN_VALUE;
+}
+
+fluid_timer_t *
+new_fluid_timer(int msec, fluid_timer_callback_t callback, void *data,
+                int new_thread, int auto_destroy, int high_priority)
+{
+    fluid_timer_t *timer;
+
+    timer = FLUID_NEW(fluid_timer_t);
+
+    if(timer == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        return NULL;
+    }
+
+    timer->msec = msec;
+    timer->callback = callback;
+    timer->data = data;
+    timer->cont = TRUE ;
+    timer->thread = NULL;
+    timer->auto_destroy = auto_destroy;
+
+    if(new_thread)
+    {
+        timer->thread = new_fluid_thread("timer", fluid_timer_run, timer, high_priority
+                                         ? FLUID_SYS_TIMER_HIGH_PRIO_LEVEL : 0, FALSE);
+
+        if(!timer->thread)
+        {
+            FLUID_FREE(timer);
+            return NULL;
+        }
+    }
+    else
+    {
+        fluid_timer_run(timer);   /* Run directly, instead of as a separate thread */
+
+        if(auto_destroy)
+        {
+            /* do NOT return freed memory */
+            return NULL;
+        }
+    }
+
+    return timer;
+}
+
+void
+delete_fluid_timer(fluid_timer_t *timer)
+{
+    int auto_destroy;
+    fluid_return_if_fail(timer != NULL);
+
+    auto_destroy = timer->auto_destroy;
+
+    timer->cont = 0;
+    fluid_timer_join(timer);
+
+    /* Shouldn't access timer now if auto_destroy enabled, since it has been destroyed */
+
+    if(!auto_destroy)
+    {
+        FLUID_FREE(timer);
+    }
+}
+
+int
+fluid_timer_join(fluid_timer_t *timer)
+{
+    int auto_destroy;
+
+    if(timer->thread)
+    {
+        auto_destroy = timer->auto_destroy;
+        fluid_thread_join(timer->thread);
+
+        if(!auto_destroy)
+        {
+            timer->thread = NULL;
+        }
+    }
+
+    return FLUID_OK;
+}
+
+int
+fluid_timer_is_running(const fluid_timer_t *timer)
+{
+    // for unit test usage only
+    return timer->callback != NULL;
+}
+
+long fluid_timer_get_interval(const fluid_timer_t * timer)
+{
+    // for unit test usage only
+    return timer->msec;
+}
+
+
+/***************************************************************
+ *
+ *               Sockets and I/O
+ *
+ */
+
+/**
+ * Get standard in stream handle.
+ * @return Standard in stream.
+ */
+fluid_istream_t
+fluid_get_stdin(void)
+{
+    return STDIN_FILENO;
+}
+
+/**
+ * Get standard output stream handle.
+ * @return Standard out stream.
+ */
+fluid_ostream_t
+fluid_get_stdout(void)
+{
+    return STDOUT_FILENO;
+}
+
+/**
+ * Read a line from an input stream.
+ * @return 0 if end-of-stream, -1 if error, non zero otherwise
+ */
+int
+fluid_istream_readline(fluid_istream_t in, fluid_ostream_t out, char *prompt,
+                       char *buf, int len)
+{
+#if READLINE_SUPPORT
+
+    if(in == fluid_get_stdin())
+    {
+        char *line;
+
+        line = readline(prompt);
+
+        if(line == NULL)
+        {
+            return -1;
+        }
+
+        FLUID_SNPRINTF(buf, len, "%s", line);
+        buf[len - 1] = 0;
+
+        if(buf[0] != '\0')
+        {
+            add_history(buf);
+        }
+
+        free(line);
+        return 1;
+    }
+    else
+#endif
+    {
+        fluid_ostream_printf(out, "%s", prompt);
+        return fluid_istream_gets(in, buf, len);
+    }
+}
+
+/**
+ * Reads a line from an input stream (socket).
+ * @param in The input socket
+ * @param buf Buffer to store data to
+ * @param len Maximum length to store to buf
+ * @return 1 if a line was read, 0 on end of stream, -1 on error
+ */
+static int
+fluid_istream_gets(fluid_istream_t in, char *buf, int len)
+{
+    char c;
+    int n;
+
+    buf[len - 1] = 0;
+
+    while(--len > 0)
+    {
+#ifndef _WIN32
+        n = read(in, &c, 1);
+
+        if(n == -1)
+        {
+            return -1;
+        }
+
+#else
+
+        /* Handle read differently depending on if its a socket or file descriptor */
+        if(!(in & FLUID_SOCKET_FLAG))
+        {
+            // usually read() is supposed to return '\n' as last valid character of the user input
+            // when compiled with compatibility for WinXP however, read() may return 0 (EOF) rather than '\n'
+            // this would cause the shell to exit early
+            n = read(in, &c, 1);
+
+            if(n == -1)
+            {
+                return -1;
+            }
+        }
+        else
+        {
+#ifdef NETWORK_SUPPORT
+            n = recv(in & ~FLUID_SOCKET_FLAG, &c, 1, 0);
+            if(n == SOCKET_ERROR)
+#endif
+            {
+                return -1;
+            }
+        }
+
+#endif
+
+        if(n == 0)
+        {
+            *buf = 0;
+            // return 1 if read from stdin, else 0, to fix early exit of shell
+            return (in == STDIN_FILENO);
+        }
+
+        if(c == '\n')
+        {
+            *buf = 0;
+            return 1;
+        }
+
+        /* Store all characters excluding CR */
+        if(c != '\r')
+        {
+            *buf++ = c;
+        }
+    }
+
+    return -1;
+}
+
+/**
+ * Send a printf style string with arguments to an output stream (socket).
+ * @param out Output stream
+ * @param format printf style format string
+ * @param ... Arguments for the printf format string
+ * @return Number of bytes written or -1 on error
+ */
+int
+fluid_ostream_printf(fluid_ostream_t out, const char *format, ...)
+{
+    char buf[4096];
+    va_list args;
+    int len;
+
+    va_start(args, format);
+    len = FLUID_VSNPRINTF(buf, 4095, format, args);
+    va_end(args);
+
+    if(len == 0)
+    {
+        return 0;
+    }
+
+    if(len < 0)
+    {
+        printf("fluid_ostream_printf: buffer overflow");
+        return -1;
+    }
+
+    buf[4095] = 0;
+
+#ifndef _WIN32
+    return write(out, buf, FLUID_STRLEN(buf));
+#else
+    {
+        int retval;
+
+        /* Handle write differently depending on if its a socket or file descriptor */
+        if(!(out & FLUID_SOCKET_FLAG))
+        {
+            return write(out, buf, (unsigned int)FLUID_STRLEN(buf));
+        }
+
+#ifdef NETWORK_SUPPORT
+        /* Socket */
+        retval = send(out & ~FLUID_SOCKET_FLAG, buf, (int)FLUID_STRLEN(buf), 0);
+        return retval != SOCKET_ERROR ? retval : -1;
+#else
+        return -1;
+#endif
+    }
+#endif
+}
+
+#ifdef NETWORK_SUPPORT
+
+int fluid_server_socket_join(fluid_server_socket_t *server_socket)
+{
+    return fluid_thread_join(server_socket->thread);
+}
+
+static int fluid_socket_init(void)
+{
+#ifdef _WIN32
+    WSADATA wsaData;
+    int res = WSAStartup(MAKEWORD(2, 2), &wsaData);
+
+    if(res != 0)
+    {
+        FLUID_LOG(FLUID_ERR, "Server socket creation error: WSAStartup failed: %d", res);
+        return FLUID_FAILED;
+    }
+
+#endif
+
+    return FLUID_OK;
+}
+
+static void fluid_socket_cleanup(void)
+{
+#ifdef _WIN32
+    WSACleanup();
+#endif
+}
+
+static int fluid_socket_get_error(void)
+{
+#ifdef _WIN32
+    return (int)WSAGetLastError();
+#else
+    return errno;
+#endif
+}
+
+fluid_istream_t fluid_socket_get_istream(fluid_socket_t sock)
+{
+    return sock | FLUID_SOCKET_FLAG;
+}
+
+fluid_ostream_t fluid_socket_get_ostream(fluid_socket_t sock)
+{
+    return sock | FLUID_SOCKET_FLAG;
+}
+
+void fluid_socket_close(fluid_socket_t sock)
+{
+    if(sock != INVALID_SOCKET)
+    {
+#ifdef _WIN32
+        closesocket(sock);
+
+#else
+        close(sock);
+#endif
+    }
+}
+
+static fluid_thread_return_t fluid_server_socket_run(void *data)
+{
+    fluid_server_socket_t *server_socket = (fluid_server_socket_t *)data;
+    fluid_socket_t client_socket;
+#ifdef IPV6_SUPPORT
+    struct sockaddr_in6 addr;
+#else
+    struct sockaddr_in addr;
+#endif
+
+#ifdef HAVE_INETNTOP
+#ifdef IPV6_SUPPORT
+    char straddr[INET6_ADDRSTRLEN];
+#else
+    char straddr[INET_ADDRSTRLEN];
+#endif /* IPV6_SUPPORT */
+#endif /* HAVE_INETNTOP */
+
+    socklen_t addrlen = sizeof(addr);
+    int r;
+    FLUID_MEMSET((char *)&addr, 0, sizeof(addr));
+
+    FLUID_LOG(FLUID_DBG, "Server listening for connections");
+
+    while(server_socket->cont)
+    {
+        client_socket = accept(server_socket->socket, (struct sockaddr *)&addr, &addrlen);
+
+        FLUID_LOG(FLUID_DBG, "New client connection");
+
+        if(client_socket == INVALID_SOCKET)
+        {
+            if(server_socket->cont)
+            {
+                FLUID_LOG(FLUID_ERR, "Failed to accept connection: %d", fluid_socket_get_error());
+            }
+
+            server_socket->cont = 0;
+            return FLUID_THREAD_RETURN_VALUE;
+        }
+        else
+        {
+#ifdef HAVE_INETNTOP
+
+#ifdef IPV6_SUPPORT
+            inet_ntop(AF_INET6, &addr.sin6_addr, straddr, sizeof(straddr));
+#else
+            inet_ntop(AF_INET, &addr.sin_addr, straddr, sizeof(straddr));
+#endif
+
+            r = server_socket->func(server_socket->data, client_socket,
+                                    straddr);
+#else
+            r = server_socket->func(server_socket->data, client_socket,
+                                    inet_ntoa(addr.sin_addr));
+#endif
+
+            if(r != 0)
+            {
+                fluid_socket_close(client_socket);
+            }
+        }
+    }
+
+    FLUID_LOG(FLUID_DBG, "Server closing");
+
+    return FLUID_THREAD_RETURN_VALUE;
+}
+
+fluid_server_socket_t *
+new_fluid_server_socket(int port, fluid_server_func_t func, void *data)
+{
+    fluid_server_socket_t *server_socket;
+#ifdef IPV6_SUPPORT
+    struct sockaddr_in6 addr;
+#else
+    struct sockaddr_in addr;
+#endif
+
+    fluid_socket_t sock;
+
+    fluid_return_val_if_fail(func != NULL, NULL);
+
+    if(fluid_socket_init() != FLUID_OK)
+    {
+        return NULL;
+    }
+
+#ifdef IPV6_SUPPORT
+    sock = socket(AF_INET6, SOCK_STREAM, 0);
+
+    if(sock == INVALID_SOCKET)
+    {
+        FLUID_LOG(FLUID_ERR, "Failed to create server socket: %d", fluid_socket_get_error());
+        fluid_socket_cleanup();
+        return NULL;
+    }
+
+    FLUID_MEMSET(&addr, 0, sizeof(addr));
+    addr.sin6_family = AF_INET6;
+    addr.sin6_port = htons((uint16_t)port);
+    addr.sin6_addr = in6addr_any;
+#else
+
+    sock = socket(AF_INET, SOCK_STREAM, 0);
+
+    if(sock == INVALID_SOCKET)
+    {
+        FLUID_LOG(FLUID_ERR, "Failed to create server socket: %d", fluid_socket_get_error());
+        fluid_socket_cleanup();
+        return NULL;
+    }
+
+    FLUID_MEMSET(&addr, 0, sizeof(addr));
+    addr.sin_family = AF_INET;
+    addr.sin_port = htons((uint16_t)port);
+    addr.sin_addr.s_addr = htonl(INADDR_ANY);
+#endif
+
+    if(bind(sock, (const struct sockaddr *) &addr, sizeof(addr)) == SOCKET_ERROR)
+    {
+        FLUID_LOG(FLUID_ERR, "Failed to bind server socket: %d", fluid_socket_get_error());
+        fluid_socket_close(sock);
+        fluid_socket_cleanup();
+        return NULL;
+    }
+
+    if(listen(sock, SOMAXCONN) == SOCKET_ERROR)
+    {
+        FLUID_LOG(FLUID_ERR, "Failed to listen on server socket: %d", fluid_socket_get_error());
+        fluid_socket_close(sock);
+        fluid_socket_cleanup();
+        return NULL;
+    }
+
+    server_socket = FLUID_NEW(fluid_server_socket_t);
+
+    if(server_socket == NULL)
+    {
+        FLUID_LOG(FLUID_ERR, "Out of memory");
+        fluid_socket_close(sock);
+        fluid_socket_cleanup();
+        return NULL;
+    }
+
+    server_socket->socket = sock;
+    server_socket->func = func;
+    server_socket->data = data;
+    server_socket->cont = 1;
+
+    server_socket->thread = new_fluid_thread("server", fluid_server_socket_run, server_socket,
+                            0, FALSE);
+
+    if(server_socket->thread == NULL)
+    {
+        FLUID_FREE(server_socket);
+        fluid_socket_close(sock);
+        fluid_socket_cleanup();
+        return NULL;
+    }
+
+    return server_socket;
+}
+
+void delete_fluid_server_socket(fluid_server_socket_t *server_socket)
+{
+    fluid_return_if_fail(server_socket != NULL);
+
+    server_socket->cont = 0;
+
+    if(server_socket->socket != INVALID_SOCKET)
+    {
+        fluid_socket_close(server_socket->socket);
+    }
+
+    if(server_socket->thread)
+    {
+        fluid_thread_join(server_socket->thread);
+        delete_fluid_thread(server_socket->thread);
+    }
+
+    FLUID_FREE(server_socket);
+
+    // Should be called the same number of times as fluid_socket_init()
+    fluid_socket_cleanup();
+}
+
+#endif // NETWORK_SUPPORT
+
+FILE* fluid_file_open(const char* path, const char** errMsg)
+{
+    static const char ErrExist[] = "File does not exist.";
+    static const char ErrRegular[] = "File is not regular, refusing to open it.";
+    static const char ErrNull[] = "File does not exists or insufficient permissions to open it.";
+    
+    FILE* handle = NULL;
+    
+    if(!fluid_file_test(path, FLUID_FILE_TEST_EXISTS))
+    {
+        if(errMsg != NULL)
+        {
+            *errMsg = ErrExist;
+        }
+    }
+    else if(!fluid_file_test(path, FLUID_FILE_TEST_IS_REGULAR))
+    {
+        if(errMsg != NULL)
+        {
+            *errMsg = ErrRegular;
+        }
+    }
+    else if((handle = FLUID_FOPEN(path, "rb")) == NULL)
+    {
+        if(errMsg != NULL)
+        {
+            *errMsg = ErrNull;
+        }
+    }
+    
+    return handle;
+}
+
+fluid_long_long_t fluid_file_tell(FILE* f)
+{
+#ifdef _WIN32
+    // On Windows, long is only a 32 bit integer. Thus ftell() does not support to handle files >2GiB.
+    // We should use _ftelli64() in this case, however its availability depends on MS CRT and might not be
+    // available on WindowsXP, Win98, etc.
+    //
+    // The web recommends to fallback to _telli64() in this case. However, it's return value differs from
+    // _ftelli64() on Win10: https://github.com/FluidSynth/fluidsynth/pull/629#issuecomment-602238436
+    //
+    // Thus, we use fgetpos().
+    fpos_t pos;
+    if(fgetpos(f, &pos) != 0)
+    {
+        return (fluid_long_long_t)-1L;
+    }
+    return pos;
+#else
+    return ftell(f);
+#endif
+}
+
+#if defined(_WIN32) || defined(__CYGWIN__)
+// not thread-safe!
+char* fluid_get_windows_error(void)
+{
+    static TCHAR err[1024];
+
+    FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,
+                  NULL,
+                  GetLastError(),
+                  MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US),
+                  err,
+                  sizeof(err)/sizeof(err[0]),
+                  NULL);
+
+#ifdef _UNICODE
+    static char ascii_err[sizeof(err)];
+
+    WideCharToMultiByte(CP_UTF8, 0, err, -1, ascii_err, sizeof(ascii_err)/sizeof(ascii_err[0]), 0, 0);
+    return ascii_err;
+#else
+    return err;
+#endif
+}
+#endif
diff --git a/libs/fluidsynth/src/utils/fluid_sys.h b/libs/fluidsynth/src/utils/fluid_sys.h
new file mode 100644
index 00000000000..bf2e9ba888a
--- /dev/null
+++ b/libs/fluidsynth/src/utils/fluid_sys.h
@@ -0,0 +1,794 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+
+/*
+ * @file fluid_sys.h
+ *
+ * This header contains a bunch of (mostly) system and machine
+ * dependent functions:
+ *
+ * - timers
+ * - current time in milliseconds and microseconds
+ * - debug logging
+ * - profiling
+ * - memory locking
+ * - checking for floating point exceptions
+ *
+ * fluidsynth's wrapper OSAL so to say; include it in .c files, be careful to include
+ * it in fluidsynth's private header files (see comment in fluid_coreaudio.c)
+ */
+
+#ifndef _FLUID_SYS_H
+#define _FLUID_SYS_H
+
+#include "fluidsynth_priv.h"
+
+#if HAVE_MATH_H
+#include <math.h>
+#endif
+
+#if HAVE_ERRNO_H
+#include <errno.h>
+#endif
+
+#if HAVE_STDARG_H
+#include <stdarg.h>
+#endif
+
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#if HAVE_FCNTL_H
+#include <fcntl.h>
+#endif
+
+#if HAVE_SYS_MMAN_H
+#include <sys/mman.h>
+#endif
+
+#if HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+
+#if HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif
+
+#if HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+
+#if HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+
+#if HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+
+#if HAVE_NETINET_TCP_H
+#include <netinet/tcp.h>
+#endif
+
+#if HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+
+#if HAVE_LIMITS_H
+#include <limits.h>
+#endif
+
+#if HAVE_OPENMP
+#include <omp.h>
+#endif
+
+#if HAVE_IO_H
+#include <io.h> // _open(), _close(), read(), write() on windows
+#endif
+
+#if HAVE_SIGNAL_H
+#include <signal.h>
+#endif
+
+/** Integer types  */
+#if HAVE_STDINT_H
+#include <stdint.h>
+
+#else
+
+/* Assume GLIB types */
+typedef gint8    int8_t;
+typedef guint8   uint8_t;
+typedef gint16   int16_t;
+typedef guint16  uint16_t;
+typedef gint32   int32_t;
+typedef guint32  uint32_t;
+typedef gint64   int64_t;
+typedef guint64  uint64_t;
+typedef guintptr uintptr_t;
+typedef gintptr  intptr_t;
+
+#endif
+
+/*
+ * CYGWIN has its own version of <windows.h>, which can be
+ * safely included together with POSIX includes.
+ * Thanks to this, CYGWIN can also run audio output and MIDI
+ * input drivers from traditional interfaces of Windows.
+ */
+#if defined(__CYGWIN__) && HAVE_WINDOWS_H
+#include <windows.h>
+#include <wchar.h>
+#endif
+
+#if defined(_WIN32) && HAVE_WINDOWS_H
+#include <winsock2.h>
+#include <ws2tcpip.h>	/* Provides also socklen_t */
+
+/* WIN32 special defines */
+#define STDIN_FILENO 0
+#define STDOUT_FILENO 1
+#define STDERR_FILENO 2
+
+#ifdef _MSC_VER
+#pragma warning(disable : 4244)
+#pragma warning(disable : 4101)
+#pragma warning(disable : 4305)
+#pragma warning(disable : 4996)
+#endif
+
+#endif
+
+/* Darwin special defines (taken from config_macosx.h) */
+#ifdef DARWIN
+# define MACINTOSH
+# define __Types__
+#endif
+
+#ifdef LADSPA
+#include <gmodule.h>
+#endif
+
+#include <glib/gstdio.h>
+
+/**
+ * Macro used for safely accessing a message from a GError and using a default
+ * message if it is NULL.
+ * @param err Pointer to a GError to access the message field of.
+ * @return Message string
+ */
+#define fluid_gerror_message(err)  ((err) ? err->message : "No error details")
+
+#if defined(_WIN32) || defined(__CYGWIN__)
+char* fluid_get_windows_error(void);
+#endif
+
+#define FLUID_INLINE              inline
+
+#define FLUID_VERSION_CHECK(major, minor, patch) ((major<<16)|(minor<<8)|(patch))
+
+/* Integer<->pointer conversion */
+#define FLUID_POINTER_TO_UINT(x)  ((unsigned int)(uintptr_t)(x))
+#define FLUID_UINT_TO_POINTER(x)  ((void *)(uintptr_t)(x))
+#define FLUID_POINTER_TO_INT(x)   ((signed int)(intptr_t)(x))
+#define FLUID_INT_TO_POINTER(x)   ((void *)(intptr_t)(x))
+
+/* Endian detection */
+#define FLUID_IS_BIG_ENDIAN       (G_BYTE_ORDER == G_BIG_ENDIAN)
+
+#define FLUID_LE32TOH(x)          GINT32_FROM_LE(x)
+#define FLUID_LE16TOH(x)          GINT16_FROM_LE(x)
+
+#if FLUID_IS_BIG_ENDIAN
+#define FLUID_FOURCC(_a, _b, _c, _d) \
+    (uint32_t)(((uint32_t)(_a) << 24) | ((uint32_t)(_b) << 16) | ((uint32_t)(_c) << 8) | (uint32_t)(_d))
+#else
+#define FLUID_FOURCC(_a, _b, _c, _d) \
+    (uint32_t)(((uint32_t)(_d) << 24) | ((uint32_t)(_c) << 16) | ((uint32_t)(_b) << 8) | (uint32_t)(_a)) 
+#endif
+
+/*
+ * Utility functions
+ */
+char *fluid_strtok(char **str, char *delim);
+
+#define FLUID_FILE_TEST_EXISTS G_FILE_TEST_EXISTS
+#define FLUID_FILE_TEST_IS_REGULAR G_FILE_TEST_IS_REGULAR
+#define fluid_file_test(path, flags) g_file_test(path, flags)
+
+#define fluid_shell_parse_argv(command_line, argcp, argvp) g_shell_parse_argv(command_line, argcp, argvp, NULL)
+#define fluid_strfreev g_strfreev
+
+#if defined(__OS2__)
+#define INCL_DOS
+#include <os2.h>
+
+/* Define socklen_t if not provided */
+#if !HAVE_SOCKLEN_T
+typedef int socklen_t;
+#endif
+#endif
+
+/**
+    Time functions
+
+ */
+
+unsigned int fluid_curtime(void);
+double fluid_utime(void);
+
+
+/**
+    Timers
+
+ */
+
+/* if the callback function returns 1 the timer will continue; if it
+   returns 0 it will stop */
+typedef int (*fluid_timer_callback_t)(void *data, unsigned int msec);
+
+typedef struct _fluid_timer_t fluid_timer_t;
+
+fluid_timer_t *new_fluid_timer(int msec, fluid_timer_callback_t callback,
+                               void *data, int new_thread, int auto_destroy,
+                               int high_priority);
+
+void delete_fluid_timer(fluid_timer_t *timer);
+int fluid_timer_join(fluid_timer_t *timer);
+int fluid_timer_stop(fluid_timer_t *timer);
+int fluid_timer_is_running(const fluid_timer_t *timer);
+long fluid_timer_get_interval(const fluid_timer_t * timer);
+
+// Macros to use for pre-processor if statements to test which Glib thread API we have (pre or post 2.32)
+#define NEW_GLIB_THREAD_API   GLIB_CHECK_VERSION(2,32,0)
+#define OLD_GLIB_THREAD_API  !GLIB_CHECK_VERSION(2,32,0)
+
+/* Muteces */
+
+#if NEW_GLIB_THREAD_API
+
+/* glib 2.32 and newer */
+
+/* Regular mutex */
+typedef GMutex fluid_mutex_t;
+#define FLUID_MUTEX_INIT          { 0 }
+#define fluid_mutex_init(_m)      g_mutex_init (&(_m))
+#define fluid_mutex_destroy(_m)   g_mutex_clear (&(_m))
+#define fluid_mutex_lock(_m)      g_mutex_lock(&(_m))
+#define fluid_mutex_unlock(_m)    g_mutex_unlock(&(_m))
+
+/* Recursive lock capable mutex */
+typedef GRecMutex fluid_rec_mutex_t;
+#define fluid_rec_mutex_init(_m)      g_rec_mutex_init(&(_m))
+#define fluid_rec_mutex_destroy(_m)   g_rec_mutex_clear(&(_m))
+#define fluid_rec_mutex_lock(_m)      g_rec_mutex_lock(&(_m))
+#define fluid_rec_mutex_unlock(_m)    g_rec_mutex_unlock(&(_m))
+
+/* Dynamically allocated mutex suitable for fluid_cond_t use */
+typedef GMutex    fluid_cond_mutex_t;
+#define fluid_cond_mutex_lock(m)        g_mutex_lock(m)
+#define fluid_cond_mutex_unlock(m)      g_mutex_unlock(m)
+
+static FLUID_INLINE fluid_cond_mutex_t *
+new_fluid_cond_mutex(void)
+{
+    GMutex *mutex;
+    mutex = g_new(GMutex, 1);
+    g_mutex_init(mutex);
+    return (mutex);
+}
+
+static FLUID_INLINE void
+delete_fluid_cond_mutex(fluid_cond_mutex_t *m)
+{
+    fluid_return_if_fail(m != NULL);
+    g_mutex_clear(m);
+    g_free(m);
+}
+
+/* Thread condition signaling */
+typedef GCond fluid_cond_t;
+#define fluid_cond_signal(cond)         g_cond_signal(cond)
+#define fluid_cond_broadcast(cond)      g_cond_broadcast(cond)
+#define fluid_cond_wait(cond, mutex)    g_cond_wait(cond, mutex)
+
+static FLUID_INLINE fluid_cond_t *
+new_fluid_cond(void)
+{
+    GCond *cond;
+    cond = g_new(GCond, 1);
+    g_cond_init(cond);
+    return (cond);
+}
+
+static FLUID_INLINE void
+delete_fluid_cond(fluid_cond_t *cond)
+{
+    fluid_return_if_fail(cond != NULL);
+    g_cond_clear(cond);
+    g_free(cond);
+}
+
+/* Thread private data */
+
+#ifdef __WINE_PE_BUILD
+
+typedef DWORD fluid_private_t;
+#define fluid_private_init(_priv)                  (_priv = TlsAlloc())
+#define fluid_private_free(_priv)                  TlsFree(_priv);
+#define fluid_private_get(_priv)                   TlsGetValue(_priv)
+#define fluid_private_set(_priv, _data)            TlsSetValue(_priv, _data)
+
+#else /* __WINE_PE_BUILD */
+
+typedef GPrivate fluid_private_t;
+#define fluid_private_init(_priv)                  memset (&_priv, 0, sizeof (_priv))
+#define fluid_private_free(_priv)
+#define fluid_private_get(_priv)                   g_private_get(&(_priv))
+#define fluid_private_set(_priv, _data)            g_private_set(&(_priv), _data)
+
+#endif /* __WINE_PE_BUILD */
+
+#else
+
+/* glib prior to 2.32 */
+
+/* Regular mutex */
+typedef GStaticMutex fluid_mutex_t;
+#define FLUID_MUTEX_INIT          G_STATIC_MUTEX_INIT
+#define fluid_mutex_destroy(_m)   g_static_mutex_free(&(_m))
+#define fluid_mutex_lock(_m)      g_static_mutex_lock(&(_m))
+#define fluid_mutex_unlock(_m)    g_static_mutex_unlock(&(_m))
+
+#define fluid_mutex_init(_m)      do { \
+  if (!g_thread_supported ()) g_thread_init (NULL); \
+  g_static_mutex_init (&(_m)); \
+} while(0)
+
+/* Recursive lock capable mutex */
+typedef GStaticRecMutex fluid_rec_mutex_t;
+#define fluid_rec_mutex_destroy(_m)   g_static_rec_mutex_free(&(_m))
+#define fluid_rec_mutex_lock(_m)      g_static_rec_mutex_lock(&(_m))
+#define fluid_rec_mutex_unlock(_m)    g_static_rec_mutex_unlock(&(_m))
+
+#define fluid_rec_mutex_init(_m)      do { \
+  if (!g_thread_supported ()) g_thread_init (NULL); \
+  g_static_rec_mutex_init (&(_m)); \
+} while(0)
+
+/* Dynamically allocated mutex suitable for fluid_cond_t use */
+typedef GMutex    fluid_cond_mutex_t;
+#define delete_fluid_cond_mutex(m)      g_mutex_free(m)
+#define fluid_cond_mutex_lock(m)        g_mutex_lock(m)
+#define fluid_cond_mutex_unlock(m)      g_mutex_unlock(m)
+
+static FLUID_INLINE fluid_cond_mutex_t *
+new_fluid_cond_mutex(void)
+{
+    if(!g_thread_supported())
+    {
+        g_thread_init(NULL);
+    }
+
+    return g_mutex_new();
+}
+
+/* Thread condition signaling */
+typedef GCond fluid_cond_t;
+fluid_cond_t *new_fluid_cond(void);
+#define delete_fluid_cond(cond)         g_cond_free(cond)
+#define fluid_cond_signal(cond)         g_cond_signal(cond)
+#define fluid_cond_broadcast(cond)      g_cond_broadcast(cond)
+#define fluid_cond_wait(cond, mutex)    g_cond_wait(cond, mutex)
+
+/* Thread private data */
+typedef GStaticPrivate fluid_private_t;
+#define fluid_private_get(_priv)                   g_static_private_get(&(_priv))
+#define fluid_private_set(_priv, _data)            g_static_private_set(&(_priv), _data, NULL)
+#define fluid_private_free(_priv)                  g_static_private_free(&(_priv))
+
+#define fluid_private_init(_priv)                  do { \
+  if (!g_thread_supported ()) g_thread_init (NULL); \
+  g_static_private_init (&(_priv)); \
+} while(0)
+
+#endif
+
+
+/* Atomic operations */
+
+#define fluid_atomic_int_inc(_pi) g_atomic_int_inc(_pi)
+#define fluid_atomic_int_get(_pi) g_atomic_int_get(_pi)
+#define fluid_atomic_int_set(_pi, _val) g_atomic_int_set(_pi, _val)
+#define fluid_atomic_int_dec_and_test(_pi) g_atomic_int_dec_and_test(_pi)
+#define fluid_atomic_int_compare_and_exchange(_pi, _old, _new) \
+  g_atomic_int_compare_and_exchange(_pi, _old, _new)
+
+#if GLIB_MAJOR_VERSION > 2 || (GLIB_MAJOR_VERSION == 2 && GLIB_MINOR_VERSION >= 30)
+#define fluid_atomic_int_exchange_and_add(_pi, _add) \
+  g_atomic_int_add(_pi, _add)
+#define fluid_atomic_int_add(_pi, _add) \
+  g_atomic_int_add(_pi, _add)
+#else
+#define fluid_atomic_int_exchange_and_add(_pi, _add) \
+  g_atomic_int_exchange_and_add(_pi, _add)
+#define fluid_atomic_int_add(_pi, _add) \
+  g_atomic_int_exchange_and_add(_pi, _add)
+#endif
+
+#define fluid_atomic_pointer_get(_pp)           g_atomic_pointer_get(_pp)
+#define fluid_atomic_pointer_set(_pp, val)      g_atomic_pointer_set(_pp, val)
+#define fluid_atomic_pointer_compare_and_exchange(_pp, _old, _new) \
+  g_atomic_pointer_compare_and_exchange(_pp, _old, _new)
+
+static FLUID_INLINE void
+fluid_atomic_float_set(fluid_atomic_float_t *fptr, float val)
+{
+    int32_t ival;
+    memcpy(&ival, &val, 4);
+    fluid_atomic_int_set((fluid_atomic_int_t *)fptr, ival);
+}
+
+static FLUID_INLINE float
+fluid_atomic_float_get(fluid_atomic_float_t *fptr)
+{
+    int32_t ival;
+    float fval;
+    ival = fluid_atomic_int_get((fluid_atomic_int_t *)fptr);
+    memcpy(&fval, &ival, 4);
+    return fval;
+}
+
+
+/* Threads */
+
+/* other thread implementations might change this for their needs */
+typedef void *fluid_thread_return_t;
+/* static return value for thread functions which requires a return value */
+#define FLUID_THREAD_RETURN_VALUE (NULL)
+
+typedef GThread fluid_thread_t;
+typedef fluid_thread_return_t (*fluid_thread_func_t)(void *data);
+
+#define FLUID_THREAD_ID_NULL            NULL                    /* A NULL "ID" value */
+#define fluid_thread_id_t               GThread *               /* Data type for a thread ID */
+#define fluid_thread_get_id()           g_thread_self()         /* Get unique "ID" for current thread */
+
+fluid_thread_t *new_fluid_thread(const char *name, fluid_thread_func_t func, void *data,
+                                 int prio_level, int detach);
+void delete_fluid_thread(fluid_thread_t *thread);
+void fluid_thread_self_set_prio(int prio_level);
+int fluid_thread_join(fluid_thread_t *thread);
+
+/* Dynamic Module Loading, currently only used by LADSPA subsystem */
+#ifdef LADSPA
+
+typedef GModule fluid_module_t;
+
+#define fluid_module_open(_name)        g_module_open((_name), G_MODULE_BIND_LOCAL)
+#define fluid_module_close(_mod)        g_module_close(_mod)
+#define fluid_module_error()            g_module_error()
+#define fluid_module_name(_mod)         g_module_name(_mod)
+#define fluid_module_symbol(_mod, _name, _ptr) g_module_symbol((_mod), (_name), (_ptr))
+
+#endif /* LADSPA */
+
+/* Sockets and I/O */
+
+int fluid_istream_readline(fluid_istream_t in, fluid_ostream_t out, char *prompt, char *buf, int len);
+int fluid_ostream_printf(fluid_ostream_t out, const char *format, ...);
+
+#if defined(_WIN32)
+typedef SOCKET fluid_socket_t;
+#else
+typedef int fluid_socket_t;
+#endif
+
+/* The function should return 0 if no error occurred, non-zero
+   otherwise. If the function return non-zero, the socket will be
+   closed by the server. */
+typedef int (*fluid_server_func_t)(void *data, fluid_socket_t client_socket, char *addr);
+
+fluid_server_socket_t *new_fluid_server_socket(int port, fluid_server_func_t func, void *data);
+void delete_fluid_server_socket(fluid_server_socket_t *sock);
+int fluid_server_socket_join(fluid_server_socket_t *sock);
+void fluid_socket_close(fluid_socket_t sock);
+fluid_istream_t fluid_socket_get_istream(fluid_socket_t sock);
+fluid_ostream_t fluid_socket_get_ostream(fluid_socket_t sock);
+
+/* File access */
+#define fluid_stat(_filename, _statbuf)   g_stat((_filename), (_statbuf))
+#if !GLIB_CHECK_VERSION(2, 26, 0)
+    /* GStatBuf has not been introduced yet, manually typedef to what they had at that time:
+     * https://github.com/GNOME/glib/blob/e7763678b56e3be073cc55d707a6e92fc2055ee0/...
+     */
+    #if defined(_WIN32) || HAVE_WINDOWS_H // somehow reliably mock G_OS_WIN32??
+        // Any effort from our side to reliably mock GStatBuf on Windows is in vain. E.g. glib-2.16 is broken as it uses struct stat rather than struct _stat32 on Win x86.
+        // Disable it (the user has been warned by cmake).
+        #undef fluid_stat
+        #define fluid_stat(_filename, _statbuf)  (-1)
+        typedef struct _fluid_stat_buf_t{int st_mtime;} fluid_stat_buf_t;
+    #else
+        /* posix, OS/2, etc. */
+        typedef struct stat fluid_stat_buf_t;
+    #endif
+#else
+typedef GStatBuf fluid_stat_buf_t;
+#endif
+
+FILE* fluid_file_open(const char* filename, const char** errMsg);
+fluid_long_long_t fluid_file_tell(FILE* f);
+
+
+/* Profiling */
+#if WITH_PROFILING
+/** profiling interface between Profiling command shell and Audio
+    rendering  API (FluidProfile_0004.pdf- 3.2.2)
+*/
+
+/*
+  -----------------------------------------------------------------------------
+  Shell task side |    Profiling interface               |  Audio task side
+  -----------------------------------------------------------------------------
+  profiling       |    Internal     |      |             |      Audio
+  command   <---> |<-- profiling -->| Data |<--macros -->| <--> rendering
+  shell           |    API          |      |             |      API
+
+*/
+
+/* default parameters for shell command "prof_start" in fluid_sys.c */
+#define FLUID_PROFILE_DEFAULT_BANK 0       /* default bank */
+#define FLUID_PROFILE_DEFAULT_PROG 16      /* default prog (organ) */
+#define FLUID_PROFILE_FIRST_KEY 12         /* first key generated */
+#define FLUID_PROFILE_LAST_KEY 108         /* last key generated */
+#define FLUID_PROFILE_DEFAULT_VEL 64       /* default note velocity */
+#define FLUID_PROFILE_VOICE_ATTEN -0.04f   /* gain attenuation per voice (dB) */
+
+
+#define FLUID_PROFILE_DEFAULT_PRINT 0      /* default print mode */
+#define FLUID_PROFILE_DEFAULT_N_PROF 1     /* default number of measures */
+#define FLUID_PROFILE_DEFAULT_DURATION 500 /* default duration (ms)  */
+
+
+extern unsigned short fluid_profile_notes; /* number of generated notes */
+extern unsigned char fluid_profile_bank;   /* bank,prog preset used by */
+extern unsigned char fluid_profile_prog;   /* generated notes */
+extern unsigned char fluid_profile_print;  /* print mode */
+
+extern unsigned short fluid_profile_n_prof;/* number of measures */
+extern unsigned short fluid_profile_dur;   /* measure duration in ms */
+extern fluid_atomic_int_t fluid_profile_lock ; /* lock between multiple shell */
+/**/
+
+/*----------------------------------------------
+  Internal profiling API (in fluid_sys.c)
+-----------------------------------------------*/
+/* Starts a profiling measure used in shell command "prof_start" */
+void fluid_profile_start_stop(unsigned int end_ticks, short clear_data);
+
+/* Returns status used in shell command "prof_start" */
+int fluid_profile_get_status(void);
+
+/* Prints profiling data used in shell command "prof_start" */
+void fluid_profiling_print_data(double sample_rate, fluid_ostream_t out);
+
+/* Returns True if profiling cancellation has been requested */
+int fluid_profile_is_cancel_req(void);
+
+/* For OS that implement <ENTER> key for profile cancellation:
+ 1) Adds #define FLUID_PROFILE_CANCEL
+ 2) Adds the necessary code inside fluid_profile_is_cancel() see fluid_sys.c
+*/
+#if defined(_WIN32)      /* Profile cancellation is supported for Windows */
+#define FLUID_PROFILE_CANCEL
+
+#elif defined(__OS2__)  /* OS/2 specific stuff */
+/* Profile cancellation isn't yet supported for OS2 */
+
+#else   /* POSIX stuff */
+#define FLUID_PROFILE_CANCEL /* Profile cancellation is supported for linux */
+#include <unistd.h> /* STDIN_FILENO */
+#include <sys/select.h> /* select() */
+#endif /* posix */
+
+/* logging profiling data (used on synthesizer instance deletion) */
+void fluid_profiling_print(void);
+
+/*----------------------------------------------
+  Profiling Data (in fluid_sys.c)
+-----------------------------------------------*/
+/** Profiling data. Keep track of min/avg/max values to profile a
+    piece of code. */
+typedef struct _fluid_profile_data_t
+{
+    const char *description;        /* name of the piece of code under profiling */
+    double min, max, total;   /* duration (microsecond) */
+    unsigned int count;       /* total count */
+    unsigned int n_voices;    /* voices number */
+    unsigned int n_samples;   /* audio samples number */
+} fluid_profile_data_t;
+
+enum
+{
+    /* commands/status  (profiling interface) */
+    PROFILE_STOP,    /* command to stop a profiling measure */
+    PROFILE_START,   /* command to start a profile measure */
+    PROFILE_READY,   /* status to signal that a profiling measure has finished
+	                    and ready to be printed */
+    /*- State returned by fluid_profile_get_status() -*/
+    /* between profiling commands and internal profiling API */
+    PROFILE_RUNNING, /* a profiling measure is running */
+    PROFILE_CANCELED,/* a profiling measure has been canceled */
+};
+
+/* Data interface */
+extern unsigned char fluid_profile_status ;       /* command and status */
+extern unsigned int fluid_profile_end_ticks;      /* ending position (in ticks) */
+extern fluid_profile_data_t fluid_profile_data[]; /* Profiling data */
+
+/*----------------------------------------------
+  Probes macros
+-----------------------------------------------*/
+/** Macro to obtain a time reference used for the profiling */
+#define fluid_profile_ref() fluid_utime()
+
+/** Macro to create a variable and assign the current reference time for profiling.
+ * So we don't get unused variable warnings when profiling is disabled. */
+#define fluid_profile_ref_var(name)     double name = fluid_utime()
+
+/**
+ * Profile identifier numbers. List all the pieces of code you want to profile
+ * here. Be sure to add an entry in the fluid_profile_data table in
+ * fluid_sys.c
+ */
+enum
+{
+    FLUID_PROF_WRITE,
+    FLUID_PROF_ONE_BLOCK,
+    FLUID_PROF_ONE_BLOCK_CLEAR,
+    FLUID_PROF_ONE_BLOCK_VOICE,
+    FLUID_PROF_ONE_BLOCK_VOICES,
+    FLUID_PROF_ONE_BLOCK_REVERB,
+    FLUID_PROF_ONE_BLOCK_CHORUS,
+    FLUID_PROF_VOICE_NOTE,
+    FLUID_PROF_VOICE_RELEASE,
+    FLUID_PROFILE_NBR	/* number of profile probes */
+};
+/** Those macros are used to calculate the min/avg/max. Needs a profile number, a
+    time reference, the voices and samples number. */
+
+/* local macro : acquiere data */
+#define fluid_profile_data(_num, _ref, voices, samples)\
+{\
+	double _now = fluid_utime();\
+	double _delta = _now - _ref;\
+	fluid_profile_data[_num].min = _delta < fluid_profile_data[_num].min ?\
+                                   _delta : fluid_profile_data[_num].min; \
+	fluid_profile_data[_num].max = _delta > fluid_profile_data[_num].max ?\
+                                   _delta : fluid_profile_data[_num].max;\
+	fluid_profile_data[_num].total += _delta;\
+	fluid_profile_data[_num].count++;\
+	fluid_profile_data[_num].n_voices += voices;\
+	fluid_profile_data[_num].n_samples += samples;\
+	_ref = _now;\
+}
+
+/** Macro to collect data, called from inner functions inside audio
+    rendering API */
+#define fluid_profile(_num, _ref, voices, samples)\
+{\
+	if ( fluid_profile_status == PROFILE_START)\
+	{	/* acquires data */\
+		fluid_profile_data(_num, _ref, voices, samples)\
+	}\
+}
+
+/** Macro to collect data, called from audio rendering API (fluid_write_xxxx()).
+ This macro control profiling ending position (in ticks).
+*/
+#define fluid_profile_write(_num, _ref, voices, samples)\
+{\
+	if (fluid_profile_status == PROFILE_START)\
+	{\
+		/* acquires data first: must be done before checking that profile is
+           finished to ensure at least one valid data sample.
+		*/\
+		fluid_profile_data(_num, _ref, voices, samples)\
+		if (fluid_synth_get_ticks(synth) >= fluid_profile_end_ticks)\
+		{\
+			/* profiling is finished */\
+			fluid_profile_status = PROFILE_READY;\
+		}\
+	}\
+}
+
+#else
+
+/* No profiling */
+#define fluid_profiling_print()
+#define fluid_profile_ref()  0
+#define fluid_profile_ref_var(name)
+#define fluid_profile(_num,_ref,voices, samples)
+#define fluid_profile_write(_num,_ref, voices, samples)
+#endif /* WITH_PROFILING */
+
+/**
+
+    Memory locking
+
+    Memory locking is used to avoid swapping of the large block of
+    sample data.
+ */
+
+#if defined(HAVE_SYS_MMAN_H) && !defined(__OS2__)
+#define fluid_mlock(_p,_n)      mlock(_p, _n)
+#define fluid_munlock(_p,_n)    munlock(_p,_n)
+#else
+#define fluid_mlock(_p,_n)      0
+#define fluid_munlock(_p,_n)
+#endif
+
+
+/**
+
+    Floating point exceptions
+
+    fluid_check_fpe() checks for "unnormalized numbers" and other
+    exceptions of the floating point processor.
+*/
+#ifdef FPE_CHECK
+#define fluid_check_fpe(expl) fluid_check_fpe_i386(expl)
+#define fluid_clear_fpe() fluid_clear_fpe_i386()
+unsigned int fluid_check_fpe_i386(char *explanation_in_case_of_fpe);
+void fluid_clear_fpe_i386(void);
+#else
+#define fluid_check_fpe(expl)
+#define fluid_clear_fpe()
+#endif
+
+
+/* System control */
+void fluid_msleep(unsigned int msecs);
+
+/**
+ * Advances the given \c ptr to the next \c alignment byte boundary.
+ * Make sure you've allocated an extra of \c alignment bytes to avoid a buffer overflow.
+ *
+ * @note \c alignment must be a power of two
+ * @return Returned pointer is guaranteed to be aligned to \c alignment boundary and in range \f[ ptr <= returned_ptr < ptr + alignment \f].
+ */
+static FLUID_INLINE void *fluid_align_ptr(const void *ptr, unsigned int alignment)
+{
+    uintptr_t ptr_int = (uintptr_t)ptr;
+    unsigned int offset = ptr_int & (alignment - 1);
+    unsigned int add = (alignment - offset) & (alignment - 1); // advance the pointer to the next alignment boundary
+    ptr_int += add;
+
+    /* assert alignment is power of two */
+    FLUID_ASSERT(!(alignment == 0) && !(alignment & (alignment - 1)));
+
+    return (void *)ptr_int;
+}
+
+#define FLUID_DEFAULT_ALIGNMENT (64U)
+
+#endif /* _FLUID_SYS_H */
diff --git a/libs/fluidsynth/src/utils/fluidsynth_priv.h b/libs/fluidsynth/src/utils/fluidsynth_priv.h
new file mode 100644
index 00000000000..67e97abbd10
--- /dev/null
+++ b/libs/fluidsynth/src/utils/fluidsynth_priv.h
@@ -0,0 +1,331 @@
+/* FluidSynth - A Software Synthesizer
+ *
+ * Copyright (C) 2003  Peter Hanappe and others.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ */
+
+/*
+ * @file fluidsynth_priv.h
+ * 
+ * lightweight part of fluid_sys.h, containing forward declarations of fluidsynth's private types and private macros
+ *
+ * include this one file in fluidsynth's private header files
+ */
+
+#ifndef _FLUIDSYNTH_PRIV_H
+#define _FLUIDSYNTH_PRIV_H
+
+#include "config.h"
+
+#include <glib.h>
+
+#if HAVE_STDLIB_H
+#include <stdlib.h> // malloc, free
+#endif
+
+#if HAVE_STDIO_H
+#include <stdio.h> // printf
+#endif
+
+#if HAVE_STRING_H
+#include <string.h>
+#endif
+
+#if HAVE_STRINGS_H
+#include <strings.h>
+#endif
+
+#include "fluidsynth.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/***************************************************************
+ *
+ *         BASIC TYPES
+ */
+
+#if defined(WITH_FLOAT)
+typedef float fluid_real_t;
+#else
+typedef double fluid_real_t;
+#endif
+
+#if defined(SUPPORTS_VLA)
+#  define FLUID_DECLARE_VLA(_type, _name, _len) \
+     _type _name[_len]
+#else
+#  define FLUID_DECLARE_VLA(_type, _name, _len) \
+     _type* _name = g_newa(_type, (_len))
+#endif
+
+
+/** Atomic types  */
+typedef int fluid_atomic_int_t;
+typedef unsigned int fluid_atomic_uint_t;
+typedef float fluid_atomic_float_t;
+
+
+/***************************************************************
+ *
+ *       FORWARD DECLARATIONS
+ */
+typedef struct _fluid_env_data_t fluid_env_data_t;
+typedef struct _fluid_adriver_definition_t fluid_adriver_definition_t;
+typedef struct _fluid_channel_t fluid_channel_t;
+typedef struct _fluid_tuning_t fluid_tuning_t;
+typedef struct _fluid_hashtable_t  fluid_hashtable_t;
+typedef struct _fluid_client_t fluid_client_t;
+typedef struct _fluid_server_socket_t fluid_server_socket_t;
+typedef struct _fluid_sample_timer_t fluid_sample_timer_t;
+typedef struct _fluid_zone_range_t fluid_zone_range_t;
+typedef struct _fluid_rvoice_eventhandler_t fluid_rvoice_eventhandler_t;
+
+/* Declare rvoice related typedefs here instead of fluid_rvoice.h, as it's needed
+ * in fluid_lfo.c and fluid_adsr.c as well */
+typedef union _fluid_rvoice_param_t
+{
+    void *ptr;
+    int i;
+    fluid_real_t real;
+} fluid_rvoice_param_t;
+enum { MAX_EVENT_PARAMS = 7 }; /**< Maximum number of #fluid_rvoice_param_t to be passed to an #fluid_rvoice_function_t */
+typedef void (*fluid_rvoice_function_t)(void *obj, const fluid_rvoice_param_t param[MAX_EVENT_PARAMS]);
+
+/* Macro for declaring an rvoice event function (#fluid_rvoice_function_t). The functions may only access
+ * those params that were previously set in fluid_voice.c
+ */
+#define DECLARE_FLUID_RVOICE_FUNCTION(name) void name(void* obj, const fluid_rvoice_param_t param[MAX_EVENT_PARAMS])
+
+
+/***************************************************************
+ *
+ *                      CONSTANTS
+ */
+
+#define FLUID_BUFSIZE                64         /**< FluidSynth internal buffer size (in samples) */
+#define FLUID_MIXER_MAX_BUFFERS_DEFAULT (8192/FLUID_BUFSIZE) /**< Number of buffers that can be processed in one rendering run */
+#define FLUID_MAX_EVENTS_PER_BUFSIZE 1024       /**< Maximum queued MIDI events per #FLUID_BUFSIZE */
+#define FLUID_MAX_RETURN_EVENTS      1024       /**< Maximum queued synthesis thread return events */
+#define FLUID_MAX_EVENT_QUEUES       16         /**< Maximum number of unique threads queuing events */
+#define FLUID_DEFAULT_AUDIO_RT_PRIO  60         /**< Default setting for audio.realtime-prio */
+#define FLUID_DEFAULT_MIDI_RT_PRIO   50         /**< Default setting for midi.realtime-prio */
+#define FLUID_NUM_MOD                64         /**< Maximum number of modulators in a voice */
+
+/***************************************************************
+ *
+ *                      SYSTEM INTERFACE
+ */
+
+/* Math constants */
+#ifndef M_PI
+#define M_PI 3.1415926535897932384626433832795
+#endif
+
+#ifndef M_LN2
+#define M_LN2 0.69314718055994530941723212145818
+#endif
+
+#ifndef M_LN10
+#define M_LN10 2.3025850929940456840179914546844
+#endif
+
+#define FLUID_M_PI      ((fluid_real_t)M_PI)
+#define FLUID_M_LN2     ((fluid_real_t)M_LN2)
+#define FLUID_M_LN10    ((fluid_real_t)M_LN10)
+
+/* Math functions */
+#if defined WITH_FLOAT && defined HAVE_SINF
+#define FLUID_SIN   sinf
+#else
+#define FLUID_SIN   (fluid_real_t)sin
+#endif
+
+#if defined WITH_FLOAT && defined HAVE_COSF
+#define FLUID_COS   cosf
+#else
+#define FLUID_COS   (fluid_real_t)cos
+#endif
+
+#if defined WITH_FLOAT && defined HAVE_FABSF
+#define FLUID_FABS  fabsf
+#else
+#define FLUID_FABS  (fluid_real_t)fabs
+#endif
+
+#if defined WITH_FLOAT && defined HAVE_POWF
+#define FLUID_POW   powf
+#else
+#define FLUID_POW   (fluid_real_t)pow
+#endif
+
+#if defined WITH_FLOAT && defined HAVE_SQRTF
+#define FLUID_SQRT  sqrtf
+#else
+#define FLUID_SQRT  (fluid_real_t)sqrt
+#endif
+
+#if defined WITH_FLOAT && defined HAVE_LOGF
+#define FLUID_LOGF  logf
+#else
+#define FLUID_LOGF  (fluid_real_t)log
+#endif
+
+/* Memory allocation */
+#define FLUID_MALLOC(_n)             fluid_alloc(_n)
+#define FLUID_REALLOC(_p,_n)         realloc(_p,_n)
+#define FLUID_FREE(_p)               fluid_free(_p)
+#define FLUID_NEW(_t)                (_t*)FLUID_MALLOC(sizeof(_t))
+#define FLUID_ARRAY_ALIGNED(_t,_n,_a) (_t*)FLUID_MALLOC((_n)*sizeof(_t) + ((unsigned int)_a - 1u))
+#define FLUID_ARRAY(_t,_n)           FLUID_ARRAY_ALIGNED(_t,_n,1u)
+
+void* fluid_alloc(size_t len);
+
+/* File access */
+#define FLUID_FOPEN(_f,_m)           fluid_fopen(_f,_m)
+#define FLUID_FCLOSE(_f)             fclose(_f)
+#define FLUID_FREAD(_p,_s,_n,_f)     fread(_p,_s,_n,_f)
+
+FILE *fluid_fopen(const char *filename, const char *mode);
+
+#ifdef _WIN32
+#define FLUID_FSEEK(_f,_n,_set)      _fseeki64(_f,_n,_set)
+#else
+#define FLUID_FSEEK(_f,_n,_set)      fseek(_f,_n,_set)
+#endif
+
+#define FLUID_FTELL(_f)              fluid_file_tell(_f)
+
+/* Memory functions */
+#define FLUID_MEMCPY(_dst,_src,_n)   memcpy(_dst,_src,_n)
+#define FLUID_MEMSET(_s,_c,_n)       memset(_s,_c,_n)
+
+/* String functions */
+#define FLUID_STRLEN(_s)             strlen(_s)
+#define FLUID_STRCMP(_s,_t)          strcmp(_s,_t)
+#define FLUID_STRNCMP(_s,_t,_n)      strncmp(_s,_t,_n)
+#define FLUID_STRCPY(_dst,_src)      strcpy(_dst,_src)
+#define FLUID_STRTOL(_s,_e,_b)       strtol(_s,_e,_b)
+
+#define FLUID_STRNCPY(_dst,_src,_n) \
+do { strncpy(_dst,_src,_n-1); \
+    (_dst)[(_n)-1]='\0'; \
+}while(0)
+
+#define FLUID_STRCHR(_s,_c)          strchr(_s,_c)
+#define FLUID_STRRCHR(_s,_c)         strrchr(_s,_c)
+
+#ifdef strdup
+#define FLUID_STRDUP(s)          strdup(s)
+#else
+#define FLUID_STRDUP(s)          FLUID_STRCPY(FLUID_MALLOC(FLUID_STRLEN(s) + 1), s)
+#endif
+
+#define FLUID_SPRINTF                sprintf
+#define FLUID_FPRINTF                fprintf
+
+#if (defined(_WIN32) && _MSC_VER < 1900) || defined(MINGW32)
+/* need to make sure we use a C99 compliant implementation of (v)snprintf(),
+ * i.e. not microsofts non compliant extension _snprintf() as it doesn't
+ * reliably null-terminate the buffer
+ */
+#define FLUID_SNPRINTF           g_snprintf
+#else
+#define FLUID_SNPRINTF           snprintf
+#endif
+
+#if (defined(_WIN32) && _MSC_VER < 1500) || defined(MINGW32)
+#define FLUID_VSNPRINTF          g_vsnprintf
+#else
+#define FLUID_VSNPRINTF          vsnprintf
+#endif
+
+#if defined(_WIN32) && !defined(MINGW32)
+#define FLUID_STRCASECMP         _stricmp
+#else
+#define FLUID_STRCASECMP         strcasecmp
+#endif
+
+#if defined(_WIN32) && !defined(MINGW32)
+#define FLUID_STRNCASECMP         _strnicmp
+#else
+#define FLUID_STRNCASECMP         strncasecmp
+#endif
+
+
+#define fluid_clip(_val, _min, _max) \
+{ (_val) = ((_val) < (_min))? (_min) : (((_val) > (_max))? (_max) : (_val)); }
+
+#if WITH_FTS
+#define FLUID_PRINTF                 post
+#define FLUID_FLUSH()
+#else
+#define FLUID_PRINTF                 printf
+#define FLUID_FLUSH()                fflush(stdout)
+#endif
+
+/* People who want to reduce the size of the may do this by entirely
+ * removing the logging system. This will cause all log messages to
+ * be discarded at compile time, allowing to save about 80 KiB for
+ * the compiled binary.
+ */
+#if 0
+#define FLUID_LOG                    (void)sizeof
+#else
+#define FLUID_LOG                    fluid_log
+#endif
+
+#if defined(DEBUG) && !defined(NDEBUG)
+#define FLUID_ASSERT(a) g_assert(a)
+#else
+#define FLUID_ASSERT(a)
+#endif
+
+#define FLUID_LIKELY G_LIKELY
+#define FLUID_UNLIKELY G_UNLIKELY
+
+/* Misc */
+#if defined(__INTEL_COMPILER)
+#define FLUID_RESTRICT restrict
+#elif defined(__clang__) || defined(__GNUC__) || defined(__GNUG__)
+#define FLUID_RESTRICT __restrict__
+#elif defined(_MSC_VER) && _MSC_VER >= 1400
+#define FLUID_RESTRICT __restrict
+#else
+#warning "Dont know how this compiler handles restrict pointers, refuse to use them."
+#define FLUID_RESTRICT
+#endif
+
+#define FLUID_N_ELEMENTS(struct)  (sizeof (struct) / sizeof (struct[0]))
+#define FLUID_MEMBER_SIZE(struct, member)  ( sizeof (((struct *)0)->member) )
+
+
+#define fluid_return_if_fail(cond) \
+if(cond) \
+    ; \
+else \
+    return
+
+#define fluid_return_val_if_fail(cond, val) \
+ fluid_return_if_fail(cond) (val)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _FLUIDSYNTH_PRIV_H */
-- 
GitLab


https://gitlab.winehq.org/wine/wine/-/merge_requests/3996

[PATCH 2/5] fluidsynth: Use Wine debugging facility for traces.

[Rémi Bernon]

From: Rémi Bernon <rbernon(a)codeweavers.com>

---
 libs/fluidsynth/src/utils/fluid_sys.c       |  2 +-
 libs/fluidsynth/src/utils/fluidsynth_priv.h | 15 ++++++++++++---
 2 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/libs/fluidsynth/src/utils/fluid_sys.c b/libs/fluidsynth/src/utils/fluid_sys.c
index d5ebd168684..93cff07991a 100644
--- a/libs/fluidsynth/src/utils/fluid_sys.c
+++ b/libs/fluidsynth/src/utils/fluid_sys.c
@@ -640,7 +640,7 @@ void fluid_profiling_print(void)
 {
     int i;
 
-    printf("fluid_profiling_print\n");
+    FLUID_LOG(FLUID_INFO, "fluid_profiling_print\n");
 
     FLUID_LOG(FLUID_INFO, "Estimated times: min/avg/max (micro seconds)");
 
diff --git a/libs/fluidsynth/src/utils/fluidsynth_priv.h b/libs/fluidsynth/src/utils/fluidsynth_priv.h
index 67e97abbd10..f9f66ef5dd3 100644
--- a/libs/fluidsynth/src/utils/fluidsynth_priv.h
+++ b/libs/fluidsynth/src/utils/fluidsynth_priv.h
@@ -51,6 +51,10 @@
 
 #include "fluidsynth.h"
 
+#include "wine/debug.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(fluidsynth);
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -275,8 +279,8 @@ do { strncpy(_dst,_src,_n-1); \
 #define FLUID_PRINTF                 post
 #define FLUID_FLUSH()
 #else
-#define FLUID_PRINTF                 printf
-#define FLUID_FLUSH()                fflush(stdout)
+#define FLUID_PRINTF                 WINE_TRACE
+#define FLUID_FLUSH()
 #endif
 
 /* People who want to reduce the size of the may do this by entirely
@@ -287,7 +291,12 @@ do { strncpy(_dst,_src,_n-1); \
 #if 0
 #define FLUID_LOG                    (void)sizeof
 #else
-#define FLUID_LOG                    fluid_log
+#define WINE_FLUID_DBG               WINE_TRACE
+#define WINE_FLUID_INFO              WINE_TRACE
+#define WINE_FLUID_WARN              WINE_WARN
+#define WINE_FLUID_ERR               WINE_ERR
+#define WINE_FLUID_PANIC             WINE_ERR
+#define FLUID_LOG( x, msg, ... )     do { WINE_ ## x( msg, ## __VA_ARGS__ ); WINE_ ## x( "\n" ); } while (0)
 #endif
 
 #if defined(DEBUG) && !defined(NDEBUG)
-- 
GitLab


https://gitlab.winehq.org/wine/wine/-/merge_requests/3996

[PATCH 3/5] dmsynth: Simplify IDirectMusicSynth8_Open checks.

[Rémi Bernon]

From: Rémi Bernon <rbernon(a)codeweavers.com>

---
 dlls/dmsynth/synth.c | 126 +++++++++++++++++++++----------------------
 1 file changed, 60 insertions(+), 66 deletions(-)

diff --git a/dlls/dmsynth/synth.c b/dlls/dmsynth/synth.c
index 95a4851fcb0..e4abd0cff1a 100644
--- a/dlls/dmsynth/synth.c
+++ b/dlls/dmsynth/synth.c
@@ -313,85 +313,79 @@ static ULONG WINAPI synth_Release(IDirectMusicSynth8 *iface)
 static HRESULT WINAPI synth_Open(IDirectMusicSynth8 *iface, DMUS_PORTPARAMS *params)
 {
     struct synth *This = impl_from_IDirectMusicSynth8(iface);
-    BOOL modified = FALSE;
-    const DMUS_PORTPARAMS def = {
-        .dwValidParams = DMUS_PORTPARAMS_VOICES|DMUS_PORTPARAMS_CHANNELGROUPS|
-                DMUS_PORTPARAMS_AUDIOCHANNELS|DMUS_PORTPARAMS_SAMPLERATE|DMUS_PORTPARAMS_EFFECTS|
-                DMUS_PORTPARAMS_SHARE|DMUS_PORTPARAMS_FEATURES,
-        .dwSize = sizeof(def), .dwVoices = 32, .dwChannelGroups = 2, .dwAudioChannels = 2,
-        .dwSampleRate = 22050, .dwEffectFlags = DMUS_EFFECT_REVERB
+    DMUS_PORTPARAMS actual =
+    {
+        .dwSize = sizeof(DMUS_PORTPARAMS),
+        .dwValidParams = DMUS_PORTPARAMS_VOICES | DMUS_PORTPARAMS_CHANNELGROUPS
+                | DMUS_PORTPARAMS_AUDIOCHANNELS | DMUS_PORTPARAMS_SAMPLERATE
+                | DMUS_PORTPARAMS_EFFECTS | DMUS_PORTPARAMS_SHARE | DMUS_PORTPARAMS_FEATURES,
+        .dwVoices = 32,
+        .dwChannelGroups = 2,
+        .dwAudioChannels = 2,
+        .dwSampleRate = 22050,
+        .dwEffectFlags = DMUS_EFFECT_REVERB,
     };
+    UINT size = sizeof(DMUS_PORTPARAMS);
+    BOOL modified = FALSE;
 
     TRACE("(%p, %p)\n", This, params);
 
-    if (This->open)
-        return DMUS_E_ALREADYOPEN;
-    if (params && params->dwSize < sizeof(DMUS_PORTPARAMS7))
-        return E_INVALIDARG;
+    if (This->open) return DMUS_E_ALREADYOPEN;
 
-    This->open = TRUE;
+    if (params)
+    {
+        if (params->dwSize < sizeof(DMUS_PORTPARAMS7)) return E_INVALIDARG;
+        if (size > params->dwSize) size = params->dwSize;
 
-    if (!params) {
-        memcpy(&This->params, &def, sizeof(This->params));
-        return S_OK;
-    }
+        if ((params->dwValidParams & DMUS_PORTPARAMS_VOICES) && params->dwVoices)
+        {
+            actual.dwVoices = min(params->dwVoices, This->caps.dwMaxVoices);
+            modified |= actual.dwVoices != params->dwVoices;
+        }
 
-    if (params->dwValidParams & DMUS_PORTPARAMS_VOICES && params->dwVoices) {
-        if (params->dwVoices > This->caps.dwMaxVoices) {
-            modified = TRUE;
-            params->dwVoices = This->caps.dwMaxVoices;
+        if ((params->dwValidParams & DMUS_PORTPARAMS_CHANNELGROUPS) && params->dwChannelGroups)
+        {
+            actual.dwChannelGroups = min(params->dwChannelGroups, This->caps.dwMaxChannelGroups);
+            modified |= actual.dwChannelGroups != params->dwChannelGroups;
         }
-    } else
-        params->dwVoices = def.dwVoices;
 
-    if (params->dwValidParams & DMUS_PORTPARAMS_CHANNELGROUPS && params->dwChannelGroups) {
-        if (params->dwChannelGroups > This->caps.dwMaxChannelGroups) {
-            modified = TRUE;
-            params->dwChannelGroups = This->caps.dwMaxChannelGroups;
+        if ((params->dwValidParams & DMUS_PORTPARAMS_AUDIOCHANNELS) && params->dwAudioChannels)
+        {
+            actual.dwAudioChannels = min(params->dwAudioChannels, This->caps.dwMaxAudioChannels);
+            modified |= actual.dwAudioChannels != params->dwAudioChannels;
         }
-    } else
-        params->dwChannelGroups = def.dwChannelGroups;
 
-    if (params->dwValidParams & DMUS_PORTPARAMS_AUDIOCHANNELS && params->dwAudioChannels) {
-        if (params->dwAudioChannels > This->caps.dwMaxAudioChannels) {
-            modified = TRUE;
-            params->dwAudioChannels = This->caps.dwMaxAudioChannels;
+        if ((params->dwValidParams & DMUS_PORTPARAMS_SAMPLERATE) && params->dwSampleRate)
+        {
+            actual.dwSampleRate = min(max(params->dwSampleRate, 11025), 96000);
+            modified |= actual.dwSampleRate != params->dwSampleRate;
         }
-    } else
-        params->dwAudioChannels = def.dwAudioChannels;
-
-    if (params->dwValidParams & DMUS_PORTPARAMS_SAMPLERATE && params->dwSampleRate) {
-        if (params->dwSampleRate > 96000) {
-            modified = TRUE;
-            params->dwSampleRate = 96000;
-        } else if (params->dwSampleRate < 11025) {
-            modified = TRUE;
-            params->dwSampleRate = 11025;
+
+        if (params->dwValidParams & DMUS_PORTPARAMS_EFFECTS)
+        {
+            actual.dwEffectFlags = DMUS_EFFECT_REVERB;
+            modified |= actual.dwEffectFlags != params->dwEffectFlags;
+        }
+
+        if (params->dwValidParams & DMUS_PORTPARAMS_SHARE)
+        {
+            actual.fShare = FALSE;
+            modified |= actual.fShare != params->fShare;
+        }
+
+        if (params->dwSize < sizeof(*params))
+            actual.dwValidParams &= ~DMUS_PORTPARAMS_FEATURES;
+        else if ((params->dwValidParams & DMUS_PORTPARAMS_FEATURES) && params->dwFeatures)
+        {
+            actual.dwFeatures = params->dwFeatures & (DMUS_PORT_FEATURE_AUDIOPATH | DMUS_PORT_FEATURE_STREAMING);
+            modified |= actual.dwFeatures != params->dwFeatures;
         }
-    } else
-        params->dwSampleRate = def.dwSampleRate;
-
-    if (params->dwValidParams & DMUS_PORTPARAMS_EFFECTS && params->dwEffectFlags != def.dwEffectFlags)
-        modified = TRUE;
-    params->dwEffectFlags = def.dwEffectFlags;
-
-    if (params->dwValidParams & DMUS_PORTPARAMS_SHARE && params->fShare)
-        modified = TRUE;
-    params->fShare = FALSE;
-
-    if (params->dwSize >= sizeof(*params)) {
-        if (params->dwValidParams & DMUS_PORTPARAMS_FEATURES && params->dwFeatures) {
-            if (params->dwFeatures & ~(DMUS_PORT_FEATURE_AUDIOPATH|DMUS_PORT_FEATURE_STREAMING)) {
-                modified = TRUE;
-                params->dwFeatures &= DMUS_PORT_FEATURE_AUDIOPATH|DMUS_PORT_FEATURE_STREAMING;
-            }
-        } else
-            params->dwFeatures = def.dwFeatures;
-        params->dwValidParams = def.dwValidParams;
-    } else
-        params->dwValidParams = def.dwValidParams & ~DMUS_PORTPARAMS_FEATURES;
-
-    memcpy(&This->params, params, min(params->dwSize, sizeof(This->params)));
+
+        memcpy(params, &actual, size);
+    }
+
+    This->params = actual;
+    This->open = TRUE;
 
     return modified ? S_FALSE : S_OK;
 }
-- 
GitLab


https://gitlab.winehq.org/wine/wine/-/merge_requests/3996

[PATCH 4/5] dmsynth: Create a fluid_synth instance on Open.

[Rémi Bernon]

From: Rémi Bernon <rbernon(a)codeweavers.com>

---
 dlls/dmsynth/synth.c         | 9 ++++++++-
 dlls/dmsynth/tests/dmsynth.c | 4 ++--
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/dlls/dmsynth/synth.c b/dlls/dmsynth/synth.c
index e4abd0cff1a..3868ee28ade 100644
--- a/dlls/dmsynth/synth.c
+++ b/dlls/dmsynth/synth.c
@@ -232,6 +232,7 @@ struct synth
     struct list waves;
 
     fluid_settings_t *fluid_settings;
+    fluid_synth_t *fluid_synth;
 };
 
 static inline struct synth *impl_from_IDirectMusicSynth8(IDirectMusicSynth8 *iface)
@@ -351,7 +352,8 @@ static HRESULT WINAPI synth_Open(IDirectMusicSynth8 *iface, DMUS_PORTPARAMS *par
 
         if ((params->dwValidParams & DMUS_PORTPARAMS_AUDIOCHANNELS) && params->dwAudioChannels)
         {
-            actual.dwAudioChannels = min(params->dwAudioChannels, This->caps.dwMaxAudioChannels);
+            /* FluidSynth only works with stereo */
+            actual.dwAudioChannels = 2;
             modified |= actual.dwAudioChannels != params->dwAudioChannels;
         }
 
@@ -384,6 +386,9 @@ static HRESULT WINAPI synth_Open(IDirectMusicSynth8 *iface, DMUS_PORTPARAMS *par
         memcpy(params, &actual, size);
     }
 
+    fluid_settings_setnum(This->fluid_settings, "synth.sample-rate", actual.dwSampleRate);
+    if (!(This->fluid_synth = new_fluid_synth(This->fluid_settings))) return E_OUTOFMEMORY;
+
     This->params = actual;
     This->open = TRUE;
 
@@ -399,6 +404,8 @@ static HRESULT WINAPI synth_Close(IDirectMusicSynth8 *iface)
     if (!This->open)
         return DMUS_E_ALREADYCLOSED;
 
+    delete_fluid_synth(This->fluid_synth);
+    This->fluid_synth = NULL;
     This->open = FALSE;
 
     return S_OK;
diff --git a/dlls/dmsynth/tests/dmsynth.c b/dlls/dmsynth/tests/dmsynth.c
index 64a81e33b43..26619560b42 100644
--- a/dlls/dmsynth/tests/dmsynth.c
+++ b/dlls/dmsynth/tests/dmsynth.c
@@ -437,7 +437,7 @@ static void test_dmsynth(void)
     ok(params.dwValidParams == all_params, "dwValidParams: %#lx\n", params.dwValidParams);
     ok(params.dwVoices == 1, "dwVoices: %ld\n", params.dwVoices);
     ok(params.dwChannelGroups == 1, "dwChannelGroups: %ld\n", params.dwChannelGroups);
-    ok(params.dwAudioChannels == 1, "dwAudioChannels: %ld\n", params.dwAudioChannels);
+    todo_wine ok(params.dwAudioChannels == 1, "dwAudioChannels: %ld\n", params.dwAudioChannels);
     ok(params.dwSampleRate == 11025, "dwSampleRate: %ld\n", params.dwSampleRate);
     test_synth_getformat(dmsynth, ¶ms, "min");
     IDirectMusicSynth_Close(dmsynth);
@@ -525,7 +525,7 @@ static void test_dmsynth(void)
     params.dwValidParams = DMUS_PORTPARAMS_AUDIOCHANNELS;
     params.dwAudioChannels = 1;
     hr = IDirectMusicSynth_Open(dmsynth, ¶ms);
-    ok(hr == S_OK, "Open failed: %#lx\n", hr);
+    todo_wine_if(SUCCEEDED(hr)) ok(hr == S_OK, "Open failed: %#lx\n", hr);
     hr = IDirectMusicSynthSink_GetDesiredBufferSize(dmsynth_sink, &size);
     ok(hr == S_OK, "IDirectMusicSynthSink_GetDesiredBufferSize returned: %#lx\n", hr);
     ok(size == params.dwSampleRate * params.dwAudioChannels * 4, "size: %ld\n", size);
-- 
GitLab


https://gitlab.winehq.org/wine/wine/-/merge_requests/3996

[PATCH 5/5] dmsynth: Create and register a fluid_sfont instance.

[Rémi Bernon]

From: Rémi Bernon <rbernon(a)codeweavers.com>

---
 dlls/dmsynth/synth.c | 51 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/dlls/dmsynth/synth.c b/dlls/dmsynth/synth.c
index 3868ee28ade..268bbc8b0d6 100644
--- a/dlls/dmsynth/synth.c
+++ b/dlls/dmsynth/synth.c
@@ -232,6 +232,7 @@ struct synth
     struct list waves;
 
     fluid_settings_t *fluid_settings;
+    fluid_sfont_t *fluid_sfont;
     fluid_synth_t *fluid_synth;
 };
 
@@ -304,6 +305,9 @@ static ULONG WINAPI synth_Release(IDirectMusicSynth8 *iface)
             wave_release(wave);
         }
 
+        fluid_sfont_set_data(This->fluid_sfont, NULL);
+        delete_fluid_sfont(This->fluid_sfont);
+        This->fluid_sfont = NULL;
         delete_fluid_settings(This->fluid_settings);
         free(This);
     }
@@ -328,6 +332,7 @@ static HRESULT WINAPI synth_Open(IDirectMusicSynth8 *iface, DMUS_PORTPARAMS *par
     };
     UINT size = sizeof(DMUS_PORTPARAMS);
     BOOL modified = FALSE;
+    UINT id;
 
     TRACE("(%p, %p)\n", This, params);
 
@@ -388,6 +393,8 @@ static HRESULT WINAPI synth_Open(IDirectMusicSynth8 *iface, DMUS_PORTPARAMS *par
 
     fluid_settings_setnum(This->fluid_settings, "synth.sample-rate", actual.dwSampleRate);
     if (!(This->fluid_synth = new_fluid_synth(This->fluid_settings))) return E_OUTOFMEMORY;
+    if ((id = fluid_synth_add_sfont(This->fluid_synth, This->fluid_sfont)) == FLUID_FAILED)
+        WARN("Failed to add fluid_sfont to fluid_synth\n");
 
     This->params = actual;
     This->open = TRUE;
@@ -404,6 +411,7 @@ static HRESULT WINAPI synth_Close(IDirectMusicSynth8 *iface)
     if (!This->open)
         return DMUS_E_ALREADYCLOSED;
 
+    fluid_synth_remove_sfont(This->fluid_synth, This->fluid_sfont);
     delete_fluid_synth(This->fluid_synth);
     This->fluid_synth = NULL;
     This->open = FALSE;
@@ -1063,6 +1071,44 @@ static const IKsControlVtbl synth_control_vtbl =
     synth_control_KsEvent,
 };
 
+static const char *synth_sfont_get_name(fluid_sfont_t *fluid_sfont)
+{
+    return "DirectMusicSynth";
+}
+
+static fluid_preset_t *synth_sfont_get_preset(fluid_sfont_t *fluid_sfont, int bank, int patch)
+{
+    struct synth *synth = fluid_sfont_get_data(fluid_sfont);
+    struct instrument *instrument;
+
+    TRACE("(%p, %d, %d)\n", fluid_sfont, bank, patch);
+
+    if (!synth) return NULL;
+
+    LIST_FOR_EACH_ENTRY(instrument, &synth->instruments, struct instrument, entry)
+        if (instrument->patch == patch) break;
+    if (&instrument->entry == &synth->instruments) return NULL;
+
+    FIXME("Preset not implemented yet\n");
+    return NULL;
+}
+
+static void synth_sfont_iter_start(fluid_sfont_t *fluid_sfont)
+{
+    FIXME("(%p): stub\n", fluid_sfont);
+}
+
+static fluid_preset_t *synth_sfont_iter_next(fluid_sfont_t *fluid_sfont)
+{
+    FIXME("(%p): stub\n", fluid_sfont);
+    return NULL;
+}
+
+static int synth_sfont_free(fluid_sfont_t *fluid_sfont)
+{
+    return 0;
+}
+
 HRESULT synth_create(IUnknown **ret_iface)
 {
     struct synth *obj;
@@ -1091,12 +1137,17 @@ HRESULT synth_create(IUnknown **ret_iface)
     list_init(&obj->waves);
 
     if (!(obj->fluid_settings = new_fluid_settings())) goto failed;
+    if (!(obj->fluid_sfont = new_fluid_sfont(synth_sfont_get_name, synth_sfont_get_preset,
+            synth_sfont_iter_start, synth_sfont_iter_next, synth_sfont_free)))
+        goto failed;
+    fluid_sfont_set_data(obj->fluid_sfont, obj);
 
     TRACE("Created DirectMusicSynth %p\n", obj);
     *ret_iface = (IUnknown *)&obj->IDirectMusicSynth8_iface;
     return S_OK;
 
 failed:
+    delete_fluid_settings(obj->fluid_settings);
     free(obj);
     return E_OUTOFMEMORY;
 }
-- 
GitLab

https://gitlab.winehq.org/wine/wine/-/merge_requests/3996

[Rémi Bernon]

* FluidSynth sources are in `libs/fluidsynth/src` and `libs/fluidsynth/include`.

* `libs/fluidsynth/fluid_conv_tables.inc.h` and `libs/fluidsynth/fluid_rvoice_dsp_tables.inc.h` are generated files copied from a fluidsynth build.

* `libs/fluidsynth/glib.c`, `libs/fluidsynth/glib.h` and `libs/fluidsynth/glib/gstdio.h` (empty) are plumbing to implement the Glib subset, that FluidSynth needs, using Win32 primitives.

-- 
https://gitlab.winehq.org/wine/wine/-/merge_requests/3996#note_47333

[Michael Stefaniuc (＠mstefani)]

The build fails for me:
```
config.status: executing Makefile commands
/home/michi/work/wine/dlls/dmsynth/synth.c:29: error: fluidsynth.h: No such file or directory
config.status: error: could not create Makefile
```

The include is `#include "fluidsynth.h"` but that file is in `libs/fluidsynth/include/fluidsynth.h` but I don't see that path being added with `-I`.

Could it be that Debian and the build VM have the fluidsynth devel package installed and the fluidsynth.h from there is being used?\
I didn't have the fluidsynth-devel rpm installed but even with that installed the build still fails for me with the same error.

-- 
https://gitlab.winehq.org/wine/wine/-/merge_requests/3996#note_47396

[Rémi Bernon]

On Mon Oct  2 18:17:06 2023 +0000, Michael Stefaniuc wrote:
> The build fails for me:
> ```
> config.status: executing Makefile commands
> /home/michi/work/wine/dlls/dmsynth/synth.c:29: error: fluidsynth.h: No
> such file or directory
> config.status: error: could not create Makefile
> ```
> The include is `#include "fluidsynth.h"` but that file is in
> `libs/fluidsynth/include/fluidsynth.h` but I don't see that path being
> added with `-I`.
> Could it be that Debian and the build VM have the fluidsynth devel
> package installed and the fluidsynth.h from there is being used?\
> I didn't have the fluidsynth-devel rpm installed but even with that
> installed the build still fails for me with the same error.
> Hmm, did you run autoreconf?

-- 
https://gitlab.winehq.org/wine/wine/-/merge_requests/3996#note_47401

[Michael Stefaniuc (＠mstefani)]

On Mon Oct  2 18:17:06 2023 +0000, Rémi Bernon wrote:
> Hmm, did you run autoreconf?
> Nope, forgot about running autoconf

-- 
https://gitlab.winehq.org/wine/wine/-/merge_requests/3996#note_47404

[Michael Stefaniuc (＠mstefani)]

Starting with `dmsynth: Create a fluid_synth instance on Open.` the tests fail consistently for me:
```
dmime.c:2856: Test failed: got 0
dmime.c:2858: Test failed: got 0
```

-- 
https://gitlab.winehq.org/wine/wine/-/merge_requests/3996#note_47408