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quartz: Protect DSound buffer creation with a critical section lock.

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Chris Robinson 2007-03-27 02:45:15 -07:00 committed by Alexandre Julliard
parent dab3825b18
commit 8a1d4d1e4c
1 changed files with 16 additions and 5 deletions
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21
dlls/quartz/dsoundrender.c
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@ -132,11 +132,20 @@ static HRESULT DSoundRender_CreateSoundBuffer(IBaseFilter * iface)
TRACE("nBlockAlign = %d\n", format->nBlockAlign);
TRACE("wBitsPerSample = %d\n", format->wBitsPerSample);
TRACE("cbSize = %d\n", format->cbSize);
/* Lock the critical section to make sure we're still marked to play while
setting up the playback buffer */
EnterCriticalSection(&This->csFilter);
if (This->state != State_Running) {
hr = VFW_E_WRONG_STATE;
goto getout;
}
hr = DirectSoundCreate(NULL, &This->dsound, NULL);
if (FAILED(hr)) {
ERR("Cannot create Direct Sound object\n");
return hr;
goto getout;
}
wav_fmt = *format;
@ -151,7 +160,7 @@ static HRESULT DSoundRender_CreateSoundBuffer(IBaseFilter * iface)
if (FAILED(hr)) {
ERR("Can't create sound buffer !\n");
IDirectSound_Release(This->dsound);
return hr;
goto getout;
}
hr = IDirectSoundBuffer_SetVolume(This->dsbuffer, This->volume);
@ -167,11 +176,13 @@ static HRESULT DSoundRender_CreateSoundBuffer(IBaseFilter * iface)
ERR("Can't start sound buffer (%x)!\n", hr);
IDirectSoundBuffer_Release(This->dsbuffer);
IDirectSound_Release(This->dsound);
return hr;
goto getout;
}
This->write_pos = 0;
getout:
LeaveCriticalSection(&This->csFilter);
return hr;
}