HRESULT AVIDec_create(IUnknown * pUnkOuter, LPVOID * ppv) { HRESULT hr; AVIDecImpl * This; TRACE("(%p, %p)\n", pUnkOuter, ppv); *ppv = NULL; if (pUnkOuter) return CLASS_E_NOAGGREGATION; hr = TransformFilter_Construct(&AVIDec_Vtbl, sizeof(AVIDecImpl), &CLSID_AVIDec, &AVIDec_FuncsTable, (IBaseFilter**)&This); if (FAILED(hr)) return hr; else { ISeekingPassThru *passthru; hr = CoCreateInstance(&CLSID_SeekingPassThru, (IUnknown*)This, CLSCTX_INPROC_SERVER, &IID_IUnknown, (void**)&This->seekthru_unk); IUnknown_QueryInterface(This->seekthru_unk, &IID_ISeekingPassThru, (void**)&passthru); ISeekingPassThru_Init(passthru, FALSE, (IPin*)This->tf.ppPins[0]); ISeekingPassThru_Release(passthru); } This->hvid = NULL; This->pBihIn = NULL; This->pBihOut = NULL; *ppv = This; return hr; }
HRESULT SampleGrabber_create(IUnknown *pUnkOuter, LPVOID *ppv) { SG_Impl* obj = NULL; ISeekingPassThru *passthru; HRESULT hr; TRACE("(%p,%p)\n", ppv, pUnkOuter); obj = CoTaskMemAlloc(sizeof(SG_Impl)); if (NULL == obj) { *ppv = NULL; return E_OUTOFMEMORY; } ZeroMemory(obj, sizeof(SG_Impl)); BaseFilter_Init(&obj->filter, &IBaseFilter_VTable, &CLSID_SampleGrabber, (DWORD_PTR)(__FILE__ ": SG_Impl.csFilter"), &basefunc_vtbl); obj->IUnknown_inner.lpVtbl = &samplegrabber_vtbl; obj->ISampleGrabber_iface.lpVtbl = &ISampleGrabber_VTable; obj->IMemInputPin_iface.lpVtbl = &IMemInputPin_VTable; obj->pin_in.IPin_iface.lpVtbl = &IPin_In_VTable; obj->pin_in.dir = PINDIR_INPUT; obj->pin_in.name = pin_in_name; obj->pin_in.sg = obj; obj->pin_in.pair = NULL; obj->pin_out.IPin_iface.lpVtbl = &IPin_Out_VTable; obj->pin_out.dir = PINDIR_OUTPUT; obj->pin_out.name = pin_out_name; obj->pin_out.sg = obj; obj->pin_out.pair = NULL; obj->mtype.majortype = GUID_NULL; obj->mtype.subtype = MEDIASUBTYPE_None; obj->mtype.formattype = FORMAT_None; obj->allocator = NULL; obj->memOutput = NULL; obj->grabberIface = NULL; obj->grabberMethod = -1; obj->oneShot = OneShot_None; obj->bufferLen = -1; obj->bufferData = NULL; if (pUnkOuter) obj->outer_unk = pUnkOuter; else obj->outer_unk = &obj->IUnknown_inner; hr = CoCreateInstance(&CLSID_SeekingPassThru, (IUnknown*)obj, CLSCTX_INPROC_SERVER, &IID_IUnknown, (void**)&obj->seekthru_unk); if(hr) return hr; IUnknown_QueryInterface(obj->seekthru_unk, &IID_ISeekingPassThru, (void**)&passthru); ISeekingPassThru_Init(passthru, FALSE, &obj->pin_in.IPin_iface); ISeekingPassThru_Release(passthru); *ppv = &obj->IUnknown_inner; return S_OK; }
HRESULT WINAPI CreatePosPassThru(IUnknown* pUnkOuter, BOOL bRenderer, IPin *pPin, IUnknown **ppPassThru) { HRESULT hr; ISeekingPassThru *passthru; hr = CoCreateInstance(&CLSID_SeekingPassThru, pUnkOuter, CLSCTX_INPROC_SERVER, &IID_IUnknown, (void**)ppPassThru); IUnknown_QueryInterface(*ppPassThru, &IID_ISeekingPassThru, (void**)&passthru); hr = ISeekingPassThru_Init(passthru, bRenderer, pPin); ISeekingPassThru_Release(passthru); return hr; }
static HRESULT Gstreamer_transform_create(IUnknown *punkout, const CLSID *clsid, const char *name, const TransformFilterFuncTable *vtbl, void **obj) { GstTfImpl *This; if (FAILED(TransformFilter_Construct(&GSTTf_Vtbl, sizeof(GstTfImpl), clsid, vtbl, (IBaseFilter**)&This))) return E_OUTOFMEMORY; else { ISeekingPassThru *passthru; CoCreateInstance(&CLSID_SeekingPassThru, (IUnknown*)This, CLSCTX_INPROC_SERVER, &IID_IUnknown, (void**)&This->seekthru_unk); IUnknown_QueryInterface(This->seekthru_unk, &IID_ISeekingPassThru, (void**)&passthru); ISeekingPassThru_Init(passthru, FALSE, (IPin*)This->tf.ppPins[0]); ISeekingPassThru_Release(passthru); } This->gstreamer_name = name; *obj = This; return S_OK; }
static HRESULT TransformFilter_Init(const IBaseFilterVtbl *pVtbl, const CLSID* pClsid, const TransformFilterFuncTable* pFuncsTable, TransformFilter* pTransformFilter) { HRESULT hr; PIN_INFO piInput; PIN_INFO piOutput; BaseFilter_Init(&pTransformFilter->filter, pVtbl, pClsid, (DWORD_PTR)(__FILE__ ": TransformFilter.csFilter"), &tfBaseFuncTable); InitializeCriticalSection(&pTransformFilter->csReceive); pTransformFilter->csReceive.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__": TransformFilter.csReceive"); /* pTransformFilter is already allocated */ pTransformFilter->pFuncsTable = pFuncsTable; ZeroMemory(&pTransformFilter->pmt, sizeof(pTransformFilter->pmt)); pTransformFilter->npins = 2; pTransformFilter->ppPins = CoTaskMemAlloc(2 * sizeof(IPin *)); /* construct input pin */ piInput.dir = PINDIR_INPUT; piInput.pFilter = &pTransformFilter->filter.IBaseFilter_iface; lstrcpynW(piInput.achName, wcsInputPinName, sizeof(piInput.achName) / sizeof(piInput.achName[0])); piOutput.dir = PINDIR_OUTPUT; piOutput.pFilter = &pTransformFilter->filter.IBaseFilter_iface; lstrcpynW(piOutput.achName, wcsOutputPinName, sizeof(piOutput.achName) / sizeof(piOutput.achName[0])); hr = BaseInputPin_Construct(&TransformFilter_InputPin_Vtbl, &piInput, &tf_input_BaseFuncTable, &tf_input_BaseInputFuncTable, &pTransformFilter->filter.csFilter, NULL, &pTransformFilter->ppPins[0]); if (SUCCEEDED(hr)) { hr = BaseOutputPin_Construct(&TransformFilter_OutputPin_Vtbl, sizeof(BaseOutputPin), &piOutput, &tf_output_BaseFuncTable, &tf_output_BaseOutputFuncTable, &pTransformFilter->filter.csFilter, &pTransformFilter->ppPins[1]); if (FAILED(hr)) ERR("Cannot create output pin (%x)\n", hr); else { QualityControlImpl_Create( pTransformFilter->ppPins[0], &pTransformFilter->filter.IBaseFilter_iface, &pTransformFilter->qcimpl); pTransformFilter->qcimpl->IQualityControl_iface.lpVtbl = &TransformFilter_QualityControl_Vtbl; } } if (SUCCEEDED(hr)) { ISeekingPassThru *passthru; pTransformFilter->seekthru_unk = NULL; hr = CoCreateInstance(&CLSID_SeekingPassThru, (IUnknown*)pTransformFilter, CLSCTX_INPROC_SERVER, &IID_IUnknown, (void**)&pTransformFilter->seekthru_unk); if (SUCCEEDED(hr)) { IUnknown_QueryInterface(pTransformFilter->seekthru_unk, &IID_ISeekingPassThru, (void**)&passthru); ISeekingPassThru_Init(passthru, FALSE, pTransformFilter->ppPins[0]); ISeekingPassThru_Release(passthru); } } if (FAILED(hr)) { CoTaskMemFree(pTransformFilter->ppPins); BaseFilterImpl_Release(&pTransformFilter->filter.IBaseFilter_iface); } 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)); BaseFilter_Init(&pDSoundRender->filter, &DSoundRender_Vtbl, &CLSID_DSoundRender, (DWORD_PTR)(__FILE__ ": DSoundRenderImpl.csFilter"), &BaseFuncTable); pDSoundRender->IBasicAudio_vtbl = &IBasicAudio_Vtbl; pDSoundRender->IReferenceClock_vtbl = &IReferenceClock_Vtbl; pDSoundRender->IAMDirectSound_vtbl = &IAMDirectSound_Vtbl; /* construct input pin */ piInput.dir = PINDIR_INPUT; piInput.pFilter = (IBaseFilter *)pDSoundRender; lstrcpynW(piInput.achName, wcsInputPinName, sizeof(piInput.achName) / sizeof(piInput.achName[0])); hr = BaseInputPin_Construct(&DSoundRender_InputPin_Vtbl, &piInput, &input_BaseFuncTable, &input_BaseInputFuncTable, &pDSoundRender->filter.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)) { ISeekingPassThru *passthru; pDSoundRender->state_change = CreateEventW(NULL, TRUE, TRUE, NULL); pDSoundRender->blocked = CreateEventW(NULL, TRUE, TRUE, NULL); hr = CoCreateInstance(&CLSID_SeekingPassThru, (IUnknown*)pDSoundRender, CLSCTX_INPROC_SERVER, &IID_IUnknown, (void**)&pDSoundRender->seekthru_unk); if (!pDSoundRender->state_change || !pDSoundRender->blocked || FAILED(hr)) { IUnknown_Release((IUnknown *)pDSoundRender); return HRESULT_FROM_WIN32(GetLastError()); } IUnknown_QueryInterface(pDSoundRender->seekthru_unk, &IID_ISeekingPassThru, (void**)&passthru); ISeekingPassThru_Init(passthru, TRUE, (IPin*)pDSoundRender->pInputPin); ISeekingPassThru_Release(passthru); *ppv = pDSoundRender; } else { if (pDSoundRender->pInputPin) IPin_Release((IPin*)pDSoundRender->pInputPin); BaseFilterImpl_Release((IBaseFilter*)pDSoundRender); CoTaskMemFree(pDSoundRender); } return hr; }