Module: wine Branch: master Commit: f60dcd2dee381798bb18b3bfebe48234ad78bf9a URL: http://source.winehq.org/git/wine.git/?a=commit;h=f60dcd2dee381798bb18b3bfeb...
Author: Maarten Lankhorst m.b.lankhorst@gmail.com Date: Tue Apr 24 00:23:34 2007 +0200
winealsa: Introduce mixer code.
---
dlls/winealsa.drv/Makefile.in | 1 + dlls/winealsa.drv/mixer.c | 291 +++++++++++++++++++++++++++++++++++ dlls/winealsa.drv/winealsa.drv.spec | 1 + 3 files changed, 293 insertions(+), 0 deletions(-)
diff --git a/dlls/winealsa.drv/Makefile.in b/dlls/winealsa.drv/Makefile.in index ff6e60c..58c733f 100644 --- a/dlls/winealsa.drv/Makefile.in +++ b/dlls/winealsa.drv/Makefile.in @@ -10,6 +10,7 @@ C_SRCS = \ alsa.c \ dsoutput.c \ midi.c \ + mixer.c \ waveinit.c \ wavein.c \ waveout.c diff --git a/dlls/winealsa.drv/mixer.c b/dlls/winealsa.drv/mixer.c new file mode 100644 index 0000000..6d0c161 --- /dev/null +++ b/dlls/winealsa.drv/mixer.c @@ -0,0 +1,291 @@ +/* + * Alsa MIXER Wine Driver for Linux + * Very loosely based on wineoss mixer driver + * + * Copyright 2007 Maarten Lankhorst + * + * 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 "config.h" +#include "wine/port.h" + +#include <stdlib.h> +#include <stdarg.h> +#include <stdio.h> +#include <string.h> +#ifdef HAVE_UNISTD_H +# include <unistd.h> +#endif +#include <fcntl.h> +#include <errno.h> +#include <assert.h> +#ifdef HAVE_SYS_IOCTL_H +# include <sys/ioctl.h> +#endif + +#define NONAMELESSUNION +#define NONAMELESSSTRUCT + +#include "windef.h" +#include "winbase.h" +#include "wingdi.h" +#include "winerror.h" +#include "winuser.h" +#include "winnls.h" +#include "mmddk.h" +#include "mmsystem.h" +#include "alsa.h" +#include "wine/unicode.h" +#include "wine/debug.h" + +WINE_DEFAULT_DEBUG_CHANNEL(mixer); + +#ifdef HAVE_ALSA + +/* Generic notes: + * In windows it seems to be required for all controls to have a volume switch + * In alsa that's optional + * + * I assume for playback controls, that there is always a playback volume switch available + * Mute is optional + * + * For capture controls, it is needed that there is a capture switch and a volume switch, + * It doesn't matter wether it is a playback volume switch or a capture volume switch. + * The code will first try to get/adjust capture volume, if that fails it tries playback volume + * It is not pretty, but under my 3 test cards it seems that there is no other choice: + * Most capture controls don't have a capture volume setting + * + * MUX means that only capture source can be exclusively selected, + * MIXER means that multiple sources can be selected simultaneously. + */ + +static const char * getMessage(UINT uMsg) +{ + static char str[64]; +#define MSG_TO_STR(x) case x: return #x; + switch (uMsg){ + MSG_TO_STR(DRVM_INIT); + MSG_TO_STR(DRVM_EXIT); + MSG_TO_STR(DRVM_ENABLE); + MSG_TO_STR(DRVM_DISABLE); + MSG_TO_STR(MXDM_GETDEVCAPS); + MSG_TO_STR(MXDM_GETLINEINFO); + MSG_TO_STR(MXDM_GETNUMDEVS); + MSG_TO_STR(MXDM_OPEN); + MSG_TO_STR(MXDM_CLOSE); + MSG_TO_STR(MXDM_GETLINECONTROLS); + MSG_TO_STR(MXDM_GETCONTROLDETAILS); + MSG_TO_STR(MXDM_SETCONTROLDETAILS); + default: break; + } +#undef MSG_TO_STR + sprintf(str, "UNKNOWN(%08x)", uMsg); + return str; +} + +/* Mixer device */ +typedef struct mixer +{ + snd_mixer_t *mix; + WCHAR mixername[MAXPNAMELEN]; + + int chans, dests; +} mixer; + +#define MAX_MIXERS 32 + +static int cards = 0; +static mixer mixdev[MAX_MIXERS]; + +/* Is this control suited for showing up? */ +static int blacklisted(snd_mixer_elem_t *elem) +{ + const char *name = snd_mixer_selem_get_name(elem); + BOOL blisted = 0; + + if (!snd_mixer_selem_has_playback_volume(elem) && + (!snd_mixer_selem_has_capture_volume(elem) || + !snd_mixer_selem_has_capture_switch(elem))) + blisted = 1; + + TRACE("%s: %x\n", name, blisted); + return blisted; +} + +static void ALSA_MixerInit(void) +{ + int x, mixnum = 0; + + for (x = 0; x < MAX_MIXERS; ++x) + { + int card, err; + char cardind[6], cardname[10]; + BOOL hascapt=0, hasmast=0; + + snd_ctl_t *ctl; + snd_mixer_elem_t *elem, *mastelem = NULL, *captelem = NULL; + snd_ctl_card_info_t *info = NULL; + snd_ctl_card_info_alloca(&info); + + snprintf(cardind, sizeof(cardind), "%d", x); + card = snd_card_get_index(cardind); + if (card < 0 || card > MAX_MIXERS - 1) + continue; + snprintf(cardname, sizeof(cardname), "hw:%d", card); + + err = snd_ctl_open(&ctl, cardname, 0); + if (err < 0) + { + WARN("Cannot open card: %s\n", snd_strerror(err)); + continue; + } + + err = snd_ctl_card_info(ctl, info); + if (err < 0) + { + WARN("Cannot get card info: %s\n", snd_strerror(err)); + snd_ctl_close(ctl); + continue; + } + + MultiByteToWideChar(CP_UNIXCP, 0, snd_ctl_card_info_get_name(info), -1, mixdev[mixnum].mixername, sizeof(mixdev[mixnum].mixername)/sizeof(WCHAR)); + snd_ctl_close(ctl); + + err = snd_mixer_open(&mixdev[mixnum].mix,0); + if (err < 0) + { + WARN("Error occured opening mixer: %s\n", snd_strerror(err)); + continue; + } + + err = snd_mixer_attach(mixdev[mixnum].mix, cardname); + if (err < 0) + goto eclose; + + err = snd_mixer_selem_register(mixdev[mixnum].mix, NULL, NULL); + if (err < 0) + goto eclose; + + err = snd_mixer_load(mixdev[mixnum].mix); + if (err < 0) + goto eclose; + + mixdev[mixnum].chans = 0; + mixdev[mixnum].dests = 1; /* Master, Capture will be enabled if needed */ + + for (elem = snd_mixer_first_elem(mixdev[mixnum].mix); elem; elem = snd_mixer_elem_next(elem)) + if (!strcasecmp(snd_mixer_selem_get_name(elem), "Master")) + { + mastelem = elem; + ++hasmast; + } + else if (!strcasecmp(snd_mixer_selem_get_name(elem), "Capture")) + { + captelem = elem; + ++hascapt; + } + else if (!blacklisted(elem)) + { + if (snd_mixer_selem_has_capture_switch(elem)) + { + ++mixdev[mixnum].chans; + mixdev[mixnum].dests = 2; + } + if (snd_mixer_selem_has_playback_volume(elem)) + ++mixdev[mixnum].chans; + } + + /* If there is only 'Capture' and 'Master', this device is not worth it */ + if (!mixdev[mixnum].chans) + { + WARN("No channels found, skipping device!\n"); + snd_mixer_close(mixdev[mixnum].mix); + continue; + } + + /* If there are no 'Capture' and 'Master', something is wrong */ + if (hasmast != 1 || hascapt != 1) + { + if (hasmast != 1) + FIXME("Should have found 1 channel for 'Master', but instead found %d\n", hasmast); + if (hascapt != 1) + FIXME("Should have found 1 channel for 'Capture', but instead found %d\n", hascapt); + goto eclose; + } + + mixdev[mixnum].chans += 2; /* Capture/Master */ + + TRACE("%s: Amount of controls: %i/%i, name: %s\n", cardname, mixdev[mixnum].dests, mixdev[mixnum].chans, debugstr_w(mixdev[mixnum].mixername)); + mixnum++; + continue; + + eclose: + WARN("Error occured initialising mixer: %s\n", snd_strerror(err)); + snd_mixer_close(mixdev[mixnum].mix); + } + cards = mixnum; + TRACE("\n"); +} + +static void ALSA_MixerExit(void) +{ + int x; + TRACE("\n"); + + for (x = 0; x < cards; ++x) + snd_mixer_close(mixdev[x].mix); + cards = 0; +} + +#endif /*HAVE_ALSA*/ + +/************************************************************************** + * mxdMessage (WINEALSA.3) + */ +DWORD WINAPI ALSA_mxdMessage(UINT wDevID, UINT wMsg, DWORD_PTR dwUser, + DWORD_PTR dwParam1, DWORD_PTR dwParam2) +{ +#ifdef HAVE_ALSA + DWORD ret; + TRACE("(%04X, %s, %08lX, %08lX, %08lX);\n", wDevID, getMessage(wMsg), + dwUser, dwParam1, dwParam2); + + switch (wMsg) + { + case DRVM_INIT: ALSA_MixerInit(); ret = MMSYSERR_NOERROR; break; + case DRVM_EXIT: ALSA_MixerExit(); ret = MMSYSERR_NOERROR; break; + /* All taken care of by driver initialisation */ + /* Unimplemented, and not needed */ + case DRVM_ENABLE: + case DRVM_DISABLE: + ret = MMSYSERR_NOERROR; break; + + case MXDM_GETNUMDEVS: + ret = cards; break; + + default: + WARN("unknown message %s!\n", getMessage(wMsg)); + return MMSYSERR_NOTSUPPORTED; + } + + TRACE("Returning %08X\n", ret); + return ret; +#else /*HAVE_ALSA*/ + TRACE("(%04X, %04X, %08lX, %08lX, %08lX);\n", wDevID, wMsg, dwUser, dwParam1, dwParam2); + + return MMSYSERR_NOTENABLED; +#endif /*HAVE_ALSA*/ +} diff --git a/dlls/winealsa.drv/winealsa.drv.spec b/dlls/winealsa.drv/winealsa.drv.spec index 766c2fc..bf883b4 100644 --- a/dlls/winealsa.drv/winealsa.drv.spec +++ b/dlls/winealsa.drv/winealsa.drv.spec @@ -1,5 +1,6 @@ @ stdcall -private DriverProc(long long long long long) ALSA_DriverProc @ stdcall -private midMessage(long long long long long) ALSA_midMessage @ stdcall -private modMessage(long long long long long) ALSA_modMessage +@ stdcall -private mxdMessage(long long long long long) ALSA_mxdMessage @ stdcall -private widMessage(long long long long long) ALSA_widMessage @ stdcall -private wodMessage(long long long long long) ALSA_wodMessage