HRESULT NullRenderer_create(IUnknown * pUnkOuter, LPVOID * ppv)
{
HRESULT hr;
PIN_INFO piInput;
NullRendererImpl * pNullRenderer;
TRACE("(%p, %p)\n", pUnkOuter, ppv);
*ppv = NULL;
pNullRenderer = CoTaskMemAlloc(sizeof(NullRendererImpl));
pNullRenderer->pUnkOuter = pUnkOuter;
pNullRenderer->bUnkOuterValid = FALSE;
pNullRenderer->bAggregatable = FALSE;
pNullRenderer->IInner_vtbl = &IInner_VTable;
pNullRenderer->lpVtbl = &NullRenderer_Vtbl;
pNullRenderer->refCount = 1;
InitializeCriticalSection(&pNullRenderer->csFilter);
pNullRenderer->csFilter.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": NullRendererImpl.csFilter");
pNullRenderer->state = State_Stopped;
pNullRenderer->pClock = NULL;
ZeroMemory(&pNullRenderer->filterInfo, sizeof(FILTER_INFO));
/* construct input pin */
piInput.dir = PINDIR_INPUT;
piInput.pFilter = (IBaseFilter *)pNullRenderer;
lstrcpynW(piInput.achName, wcsInputPinName, sizeof(piInput.achName) / sizeof(piInput.achName[0]));
hr = InputPin_Construct(&NullRenderer_InputPin_Vtbl, &piInput, NullRenderer_Sample, (LPVOID)pNullRenderer, NullRenderer_QueryAccept, NULL, &pNullRenderer->csFilter, NULL, (IPin **)&pNullRenderer->pInputPin);
if (SUCCEEDED(hr))
{
MediaSeekingImpl_Init((IBaseFilter*)pNullRenderer, NullRendererImpl_Change, NullRendererImpl_Change, NullRendererImpl_Change, &pNullRenderer->mediaSeeking, &pNullRenderer->csFilter);
pNullRenderer->mediaSeeking.lpVtbl = &TransformFilter_Seeking_Vtbl;
*ppv = pNullRenderer;
}
else
{
pNullRenderer->csFilter.DebugInfo->Spare[0] = 0;
DeleteCriticalSection(&pNullRenderer->csFilter);
CoTaskMemFree(pNullRenderer);
}
return hr;
}
HRESULT TransformFilter_Create(TransformFilterImpl* pTransformFilter, const CLSID* pClsid, const TransformFuncsTable* pFuncsTable, CHANGEPROC stop, CHANGEPROC current, CHANGEPROC rate)
{
HRESULT hr;
PIN_INFO piInput;
PIN_INFO piOutput;
/* pTransformFilter is already allocated */
pTransformFilter->clsid = *pClsid;
pTransformFilter->pFuncsTable = pFuncsTable;
pTransformFilter->lpVtbl = &TransformFilter_Vtbl;
pTransformFilter->refCount = 1;
InitializeCriticalSection(&pTransformFilter->csFilter);
pTransformFilter->csFilter.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": TransformFilterImpl.csFilter");
pTransformFilter->state = State_Stopped;
pTransformFilter->pClock = NULL;
ZeroMemory(&pTransformFilter->filterInfo, sizeof(FILTER_INFO));
ZeroMemory(&pTransformFilter->pmt, sizeof(pTransformFilter->pmt));
pTransformFilter->npins = 2;
pTransformFilter->ppPins = CoTaskMemAlloc(2 * sizeof(IPin *));
/* construct input pin */
piInput.dir = PINDIR_INPUT;
piInput.pFilter = (IBaseFilter *)pTransformFilter;
lstrcpynW(piInput.achName, wcsInputPinName, sizeof(piInput.achName) / sizeof(piInput.achName[0]));
piOutput.dir = PINDIR_OUTPUT;
piOutput.pFilter = (IBaseFilter *)pTransformFilter;
lstrcpynW(piOutput.achName, wcsOutputPinName, sizeof(piOutput.achName) / sizeof(piOutput.achName[0]));
hr = InputPin_Construct(&TransformFilter_InputPin_Vtbl, &piInput, (SAMPLEPROC_PUSH)pFuncsTable->pfnProcessSampleData, NULL, TransformFilter_Input_QueryAccept, NULL, &pTransformFilter->csFilter, NULL, &pTransformFilter->ppPins[0]);
if (SUCCEEDED(hr))
{
ALLOCATOR_PROPERTIES props;
props.cbAlign = 1;
props.cbPrefix = 0;
props.cbBuffer = 0; /* Will be updated at connection time */
props.cBuffers = 1;
((InputPin *)pTransformFilter->ppPins[0])->pin.pUserData = pTransformFilter->ppPins[0];
hr = OutputPin_Construct(&TransformFilter_OutputPin_Vtbl, sizeof(OutputPin), &piOutput, &props, pTransformFilter, TransformFilter_Output_QueryAccept, &pTransformFilter->csFilter, &pTransformFilter->ppPins[1]);
if (FAILED(hr))
ERR("Cannot create output pin (%x)\n", hr);
else
{
if (!stop)
stop = TransformFilter_ChangeStop;
if (!current)
current = TransformFilter_ChangeCurrent;
if (!rate)
rate = TransformFilter_ChangeRate;
MediaSeekingImpl_Init((IBaseFilter*)pTransformFilter, stop, current, rate, &pTransformFilter->mediaSeeking, &pTransformFilter->csFilter);
pTransformFilter->mediaSeeking.lpVtbl = &TransformFilter_Seeking_Vtbl;
}
}
else
{
CoTaskMemFree(pTransformFilter->ppPins);
pTransformFilter->csFilter.DebugInfo->Spare[0] = 0;
DeleteCriticalSection(&pTransformFilter->csFilter);
CoTaskMemFree(pTransformFilter);
}
return hr;
}
HRESULT DSoundRender_create(IUnknown * pUnkOuter, LPVOID * ppv)
{
HRESULT hr;
PIN_INFO piInput;
DSoundRenderImpl * pDSoundRender;
TRACE("(%p, %p)\n", pUnkOuter, ppv);
*ppv = NULL;
if (pUnkOuter)
return CLASS_E_NOAGGREGATION;
pDSoundRender = CoTaskMemAlloc(sizeof(DSoundRenderImpl));
if (!pDSoundRender)
return E_OUTOFMEMORY;
ZeroMemory(pDSoundRender, sizeof(DSoundRenderImpl));
pDSoundRender->lpVtbl = &DSoundRender_Vtbl;
pDSoundRender->IBasicAudio_vtbl = &IBasicAudio_Vtbl;
pDSoundRender->IReferenceClock_vtbl = &IReferenceClock_Vtbl;
pDSoundRender->refCount = 1;
InitializeCriticalSection(&pDSoundRender->csFilter);
pDSoundRender->csFilter.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": DSoundRenderImpl.csFilter");
pDSoundRender->state = State_Stopped;
/* construct input pin */
piInput.dir = PINDIR_INPUT;
piInput.pFilter = (IBaseFilter *)pDSoundRender;
lstrcpynW(piInput.achName, wcsInputPinName, sizeof(piInput.achName) / sizeof(piInput.achName[0]));
hr = InputPin_Construct(&DSoundRender_InputPin_Vtbl, &piInput, DSoundRender_Sample, pDSoundRender, DSoundRender_QueryAccept, NULL, &pDSoundRender->csFilter, NULL, (IPin **)&pDSoundRender->pInputPin);
if (SUCCEEDED(hr))
{
hr = DirectSoundCreate8(NULL, &pDSoundRender->dsound, NULL);
if (FAILED(hr))
ERR("Cannot create Direct Sound object (%x)\n", hr);
else
IDirectSound_SetCooperativeLevel(pDSoundRender->dsound, GetDesktopWindow(), DSSCL_PRIORITY);
}
if (SUCCEEDED(hr))
{
MediaSeekingImpl_Init((IBaseFilter*)pDSoundRender, sound_mod_stop, sound_mod_start, sound_mod_rate, &pDSoundRender->mediaSeeking, &pDSoundRender->csFilter);
pDSoundRender->mediaSeeking.lpVtbl = &IMediaSeeking_Vtbl;
pDSoundRender->state_change = CreateEventW(NULL, TRUE, TRUE, NULL);
pDSoundRender->blocked = CreateEventW(NULL, FALSE, FALSE, NULL);
if (!pDSoundRender->state_change || !pDSoundRender->blocked)
{
IUnknown_Release((IUnknown *)pDSoundRender);
return HRESULT_FROM_WIN32(GetLastError());
}
*ppv = (LPVOID)pDSoundRender;
}
else
{
if (pDSoundRender->pInputPin)
IPin_Release((IPin*)pDSoundRender->pInputPin);
pDSoundRender->csFilter.DebugInfo->Spare[0] = 0;
DeleteCriticalSection(&pDSoundRender->csFilter);
CoTaskMemFree(pDSoundRender);
}
return hr;
}
