[PATCH 4/6] dmusic: Treat SF_GEN_(START|END)LOOP_ADDRS_OFFSET as offsets from the sample loop points.

[Anton Baskanov]

From: Anton Baskanov

---
 dlls/dmusic/instrument.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dlls/dmusic/instrument.c b/dlls/dmusic/instrument.c
index 4b965720e98..fd14983c6b1 100644
--- a/dlls/dmusic/instrument.c
+++ b/dlls/dmusic/instrument.c
@@ -582,8 +582,8 @@ static HRESULT instrument_add_soundfont_region(struct instrument *This, struct s

start_loop = generators->amount[SF_GEN_STARTLOOP_ADDRS_OFFSET].value;
     end_loop = generators->amount[SF_GEN_ENDLOOP_ADDRS_OFFSET].value;
-    region->wave_loop.ulStart = start_loop;
-    region->wave_loop.ulLength = end_loop - start_loop;
+    region->wave_loop.ulStart = sample->start_loop + start_loop - sample->start;
+    region->wave_loop.ulLength = sample->end_loop + end_loop - sample->start_loop;

switch (generators->amount[SF_GEN_SAMPLE_MODES].value & 0x3)
     {