Yuxuan Shui : dmusic: Fix loading wave data from soundfont.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: fa145fd5177c84c26dd48f9da7bed80609a06179
URL:    https://gitlab.winehq.org/wine/wine/-/commit/fa145fd5177c84c26dd48f9da7bed80...

Author: Yuxuan Shui <yshui(a)codeweavers.com>
Date:   Tue Feb  6 17:28:47 2024 +0000

dmusic: Fix loading wave data from soundfont.

---

 dlls/dmusic/wave.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/dlls/dmusic/wave.c b/dlls/dmusic/wave.c
index f741cff1418..2c8ccbc2170 100644
--- a/dlls/dmusic/wave.c
+++ b/dlls/dmusic/wave.c
@@ -345,6 +345,7 @@ HRESULT wave_create_from_soundfont(struct soundfont *soundfont, UINT index, IDir
     struct wave *This;
     IStream *stream = NULL;
     IDirectMusicObject *iface;
+    const LARGE_INTEGER zero = { .QuadPart = 0 };
 
     TRACE("(%p, %u, %p)\n", soundfont, index, ret_iface);
 
@@ -368,6 +369,7 @@ HRESULT wave_create_from_soundfont(struct soundfont *soundfont, UINT index, IDir
     if (FAILED(hr = CreateStreamOnHGlobal(NULL, TRUE, &stream))) goto failed;
     offset = sf_sample->start * format->nBlockAlign / format->nChannels;
     if (FAILED(hr = IStream_Write(stream, soundfont->sdta + offset, data_size, &data_size))) goto failed;
+    if (FAILED(hr = IStream_Seek(stream, zero, STREAM_SEEK_SET, NULL))) goto failed;
 
     if (FAILED(hr = wave_create(&iface))) goto failed;