bool HDevice::ConnectFilters() { bool success = true; if (!EnsureInitialized(L"ConnectFilters") || !EnsureInactive(L"ConnectFilters")) return false; if (videoCapture != NULL) { success = ConnectPins(PIN_CATEGORY_CAPTURE, MEDIATYPE_Video, videoFilter, videoCapture); if (!success) { success = RenderFilters(PIN_CATEGORY_CAPTURE, MEDIATYPE_Video, videoFilter, videoCapture); } } if ((audioCapture || audioOutput) && success) { IBaseFilter *filter = (audioCapture != nullptr) ? audioCapture.Get() : audioOutput.Get(); if (audioCapture != nullptr) SetAudioBuffering(10); success = ConnectPins(PIN_CATEGORY_CAPTURE, MEDIATYPE_Audio, audioFilter, filter); if (!success) { success = RenderFilters(PIN_CATEGORY_CAPTURE, MEDIATYPE_Audio, audioFilter, filter); } } if (success) LogFilters(graph); return success; }
void ezQtNodeScene::NodeEventsHandler(const ezDocumentNodeManagerEvent& e) { switch (e.m_EventType) { case ezDocumentNodeManagerEvent::Type::NodeMoved: { ezVec2 vPos = m_pManager->GetNodePos(e.m_pObject); ezQtNode* pNode = m_Nodes[e.m_pObject]; pNode->setPos(vPos.x, vPos.y); } break; case ezDocumentNodeManagerEvent::Type::AfterPinsConnected: { ConnectPins(e.m_pConnection); } break; case ezDocumentNodeManagerEvent::Type::BeforePinsDisonnected: { DisconnectPins(e.m_pConnection); } break; case ezDocumentNodeManagerEvent::Type::BeforePinsChanged: { } break; case ezDocumentNodeManagerEvent::Type::AfterPinsChanged: { } break; // case ezDocumentNodeManagerEvent::Type::BeforeNodeAdded: // { // } // break; case ezDocumentNodeManagerEvent::Type::AfterNodeAdded: { CreateNode(e.m_pObject); } break; case ezDocumentNodeManagerEvent::Type::BeforeNodeRemoved: { DeleteNode(e.m_pObject); } break; // case ezDocumentNodeManagerEvent::Type::AfterNodeRemoved: // { // } // break; default: break; } }
void ezQtNodeScene::SetDocumentNodeManager(const ezDocumentNodeManager* pManager) { if (pManager == m_pManager) return; Clear(); if (m_pManager != nullptr) { m_pManager->m_NodeEvents.RemoveEventHandler(ezMakeDelegate(&ezQtNodeScene::NodeEventsHandler, this)); m_pManager->GetDocument()->GetSelectionManager()->m_Events.RemoveEventHandler( ezMakeDelegate(&ezQtNodeScene::SelectionEventsHandler, this)); m_pManager->m_PropertyEvents.RemoveEventHandler(ezMakeDelegate(&ezQtNodeScene::PropertyEventsHandler, this)); } m_pManager = pManager; if (pManager != nullptr) { pManager->m_NodeEvents.AddEventHandler(ezMakeDelegate(&ezQtNodeScene::NodeEventsHandler, this)); m_pManager->GetDocument()->GetSelectionManager()->m_Events.AddEventHandler( ezMakeDelegate(&ezQtNodeScene::SelectionEventsHandler, this)); m_pManager->m_PropertyEvents.AddEventHandler(ezMakeDelegate(&ezQtNodeScene::PropertyEventsHandler, this)); // Create Nodes const auto& rootObjects = pManager->GetRootObject()->GetChildren(); for (const auto& pObject : rootObjects) { if (pManager->IsNode(pObject)) { CreateNode(pObject); } } // Connect Pins for (auto it = m_Nodes.GetIterator(); it.IsValid(); ++it) { auto outputs = pManager->GetOutputPins(it.Value()->GetObject()); for (const ezPin* pOutPin : outputs) { auto connections = pOutPin->GetConnections(); for (const ezConnection* pConnection : connections) { ConnectPins(pConnection); } } } } }
bool DShowMoviePlayer::loadMovie (void) { if (!_oleInitialized) { ::CoInitialize (0); } char physicFileName[512]; wchar_t physicFileNameW[512]; ATOM_GetNativePathName (_fileName.c_str(), physicFileName); if (!convertCStringToWString (physicFileName, physicFileNameW, 512)) { ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "Error converting C string filename to UNICODE"); return false; } #if 1 HRESULT hr = ::CoCreateInstance (CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER, IID_IGraphBuilder, (void**)&_graphBuilder); if (FAILED(hr)) { ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error creating graph"); return false; } hr = ::CoCreateInstance (CLSID_SampleGrabber, NULL, CLSCTX_INPROC_SERVER, IID_IBaseFilter, (void**)&_grabberFilter); if (FAILED(hr)) { ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error creating sample grabber"); return false; } hr = _grabberFilter->QueryInterface (IID_ISampleGrabber, (void**)&_grabber); if (FAILED(hr)) { ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error querying sample grabber"); return false; } AM_MEDIA_TYPE mt; memset (&mt, 0, sizeof(AM_MEDIA_TYPE)); mt.majortype = MEDIATYPE_Video; mt.subtype = MEDIASUBTYPE_RGB32; mt.formattype = FORMAT_VideoInfo; hr = _grabber->SetMediaType (&mt); if (FAILED(hr)) { ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error setting smaple grabber media type"); return false; } hr = _graphBuilder->AddFilter (_grabberFilter, L"Sample Grabber"); if (FAILED(hr)) { ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error adding filter"); return false; } hr = _graphBuilder->QueryInterface (IID_IMediaControl, (void**)&_control); if (FAILED(hr)) { ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error querying media control"); return false; } IBaseFilter *render = 0; hr = ::CoCreateInstance (CLSID_NullRenderer, NULL, CLSCTX_INPROC_SERVER, IID_IBaseFilter, (void**)&render); if (FAILED(hr)) { ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error creating render filter"); return false; } hr = _graphBuilder->AddFilter (render, L"Null renderer"); if (FAILED(hr)) { ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error adding null-renderer filter"); return false; } hr = _control->RenderFile (physicFileNameW); if (FAILED(hr)) { ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error rendering file"); return false; } #if 0 IPin *grabberOut = 0; FindPin (_grabberFilter, PINDIR_OUTPUT, 0, &grabberOut); if (grabberOut) { grabberOut->Disconnect (); grabberOut->Release (); } #endif SaveGraphFile (_graphBuilder, L"C:\\test.grf"); hr = _graphBuilder->QueryInterface (IID_IVideoWindow, (void**)&_window); if (FAILED(hr)) { ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error querying video window"); return false; } _window->put_AutoShow (OAFALSE); #if 0 if (!ConnectPins (_graphBuilder, _grabberFilter, 0, render, 0)) { return false; } _control->RenderFile (physicFileNameW); #endif memset(&mt, 0, sizeof(mt)); mt.majortype = MEDIATYPE_Video; mt.subtype = MEDIASUBTYPE_RGB32; mt.formattype = FORMAT_VideoInfo; hr = _grabber->GetConnectedMediaType (&mt); if (FAILED(hr)) { ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error getting connected media type"); return false; } VIDEOINFOHEADER *vih = (VIDEOINFOHEADER*)mt.pbFormat; _videoWidth = vih->bmiHeader.biWidth; _videoHeight = vih->bmiHeader.biHeight; _bufferSize = mt.lSampleSize; if (mt.cbFormat != 0) { ::CoTaskMemFree ((PVOID)mt.pbFormat); mt.cbFormat = 0; mt.pbFormat = 0; } if (mt.pUnk != NULL) { mt.pUnk->Release (); mt.pUnk = NULL; } _grabber->SetOneShot (FALSE); _grabber->SetBufferSamples (TRUE); hr = _graphBuilder->QueryInterface (IID_IMediaEvent, (void**)&_event); if (FAILED(hr)) { ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error querying media event"); return false; } hr = _graphBuilder->QueryInterface (IID_IMediaSeeking, (void**)&_seeking); if (FAILED(hr)) { ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error querying media seeking"); return false; } #else HRESULT hr = ::CoCreateInstance (CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER, IID_IGraphBuilder, (void**)&_graphBuilder); if (FAILED(hr)) { ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error creating graph"); return false; } hr = _graphBuilder->QueryInterface (IID_IMediaControl, (void**)&_control); if (FAILED(hr)) { ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error querying media control"); return false; } hr = _graphBuilder->QueryInterface (IID_IMediaEvent, (void**)&_event); if (FAILED(hr)) { ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error querying media event"); return false; } hr = _graphBuilder->QueryInterface (IID_IMediaSeeking, (void**)&_seeking); if (FAILED(hr)) { ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error querying media seeking"); return false; } hr = ::CoCreateInstance (CLSID_SampleGrabber, NULL, CLSCTX_INPROC_SERVER, IID_IBaseFilter, (void**)&_grabberFilter); if (FAILED(hr)) { ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error creating sample grabber"); return false; } hr = _graphBuilder->AddFilter (_grabberFilter, L"Sample Grabber"); if (FAILED(hr)) { ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error adding filter"); return false; } hr = _grabberFilter->QueryInterface (IID_ISampleGrabber, (void**)&_grabber); if (FAILED(hr)) { ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error querying sample grabber"); return false; } AM_MEDIA_TYPE mt; memset (&mt, 0, sizeof(AM_MEDIA_TYPE)); mt.majortype = MEDIATYPE_Video; mt.subtype = MEDIASUBTYPE_RGB24; mt.formattype = FORMAT_VideoInfo; hr = _grabber->SetMediaType (&mt); if (FAILED(hr)) { ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error setting smaple grabber media type"); return false; } IBaseFilter *srcFilter = 0; hr = _graphBuilder->AddSourceFilter (physicFileNameW, L"Source", &srcFilter); if (FAILED(hr)) { ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error adding source filter"); return false; } hr = connectFilters (_graphBuilder, srcFilter, _grabberFilter); if (FAILED(hr)) { ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error connecting filters"); return false; } IBaseFilter *render = 0; hr = ::CoCreateInstance (CLSID_NullRenderer, NULL, CLSCTX_INPROC_SERVER, IID_IBaseFilter, (void**)&render); if (FAILED(hr)) { ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error creating render filter"); return false; } _graphBuilder->AddFilter (render, L"Render"); hr = connectFilters (_graphBuilder, _grabberFilter, render); if (FAILED(hr)) { ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error connect filters"); return false; } hr = _graphBuilder->RenderFile (physicFileNameW, NULL); if (FAILED(hr)) { ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error rendering file"); return false; } hr = _graphBuilder->QueryInterface (IID_IVideoWindow, (void**)&_window); if (FAILED(hr)) { ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error querying video window"); return false; } _window->put_AutoShow (OAFALSE); AM_MEDIA_TYPE mtt; hr = _grabber->GetConnectedMediaType (&mtt); if (FAILED(hr)) { ATOM_LOGGER::error ("%s() %s\n", __FUNCTION__, "[DSHOW] Error getting connected media type info"); return false; } VIDEOINFOHEADER *vih = (VIDEOINFOHEADER*)mtt.pbFormat; _videoWidth = vih->bmiHeader.biWidth; _videoHeight = vih->bmiHeader.biHeight; if (mtt.cbFormat != 0) { ::CoTaskMemFree ((PVOID)mtt.pbFormat); mtt.cbFormat = 0; mtt.pbFormat = 0; } if (mtt.pUnk != NULL) { mtt.pUnk->Release (); mtt.pUnk = NULL; } _grabber->SetOneShot (FALSE); _grabber->SetBufferSamples (TRUE); #endif return true; }