void play_movie( HWND hwnd ) { IGraphBuilder *pGraph; IMediaControl *pMediaControl; IMediaEvent *pEvent; IBasicVideo *pBasic; IVideoWindow *pVidWin = NULL; RECT grc; long width, height; CoInitialize(NULL); // Create the filter graph manager and query for interfaces. CoCreateInstance( CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER, IID_IGraphBuilder, (void **)&pGraph); pGraph->QueryInterface(IID_IVideoWindow, (void **)&pVidWin); pGraph->QueryInterface(IID_IMediaControl, (void **)&pMediaControl); pGraph->QueryInterface(IID_IMediaEvent, (void **)&pEvent); pGraph->QueryInterface(IID_IBasicVideo, (void**)&pBasic ); // Build the graph. IMPORTANT: Change string to a file on your system. pGraph->RenderFile(L"e:\\alpha\\running.avi", NULL); pBasic->GetVideoSize( &width, &height ); printf( "video frames are %d x %d\n", width, height ); pVidWin->put_Owner((OAHWND)hwnd); pVidWin->put_WindowStyle(WS_CHILD | WS_CLIPSIBLINGS); GetClientRect( hwnd, &grc ); pVidWin->SetWindowPosition(10, 10, width, height); printf( "window is %d x %d\n", grc.right, grc.bottom ); // Run the graph. pMediaControl->Run(); // Wait for completion. long evCode; pEvent->WaitForCompletion(INFINITE, &evCode); pVidWin->put_Visible(OAFALSE); pVidWin->put_Owner(NULL); // Clean up. pBasic->Release(); pVidWin->Release(); pMediaControl->Release(); pEvent->Release(); pGraph->Release(); CoUninitialize(); }
void Video::play( char *fileName, DWORD ) { WCHAR wPath[100]; HRESULT hr; IMediaControl *pMC; if(!init_success) return; MultiByteToWideChar( CP_ACP, 0, fileName, -1, wPath, 100 ); if( (hr = pGraph->RenderFile(wPath, NULL)) == 0) { // use full screen video interface // try to change display mode IVideoWindow *iVideoWindow = NULL; if( (hr = pGraph->QueryInterface(IID_IVideoWindow, (void **) &iVideoWindow)) == 0) { #ifdef CREATE_DUMMY_WINDOW if(hwnd) { HRESULT hr2 = iVideoWindow->put_MessageDrain((OAHWND) hwnd); hr2 = 0; } #endif #ifdef FULL_SCREEN_VIDEO IFilter *iFilter; if( pGraph->FindFilterByName(L"Video Renderer", &iFilter) == 0) { IBasicVideo *iBasicVideo; if( iFilter->QueryInterface(IID_IBasicVideo, (void **)&iBasicVideo) == 0) { IFullScreenVideo *iFullScreenVideo; IDirectDrawVideo *iDirectDrawVideo; if( iFilter->QueryInterface(IID_IFullScreenVideo, (void **)&iFullScreenVideo) == 0) { iFullScreenVideo->Release(); } else if( iFilter->QueryInterface(IID_IDirectDrawVideo, (void **)&iDirectDrawVideo) == 0) { HRESULT hr2; hr2 = iDirectDrawVideo->UseWhenFullScreen(OATRUE); iDirectDrawVideo->Release(); } iBasicVideo->Release(); } iFilter->Release(); } hr=iVideoWindow->put_FullScreenMode(OATRUE); #endif /* // code to find all filter in the filter graph { IEnumFilters *iEnumFilters; pGraph->EnumFilters(&iEnumFilters); ULONG filterCount = 16; IFilter *iFilters[16]; iEnumFilters->Next(filterCount, iFilters, &filterCount); for( ULONG j = 0; j < filterCount; ++j ) { FILTER_INFO filterInfo; iFilters[j]->QueryFilterInfo(&filterInfo); filterInfo.pGraph->Release(); iFilters[j]->Release(); } iEnumFilters->Release(); }*/ iVideoWindow->HideCursor(OATRUE); iVideoWindow->put_Visible( OAFALSE ); iVideoWindow->put_AutoShow( OAFALSE ); LONG windowStyle; iVideoWindow->get_WindowStyle( &windowStyle); windowStyle &= ~WS_BORDER & ~WS_CAPTION & ~WS_SIZEBOX & ~WS_THICKFRAME & ~WS_HSCROLL & ~WS_VSCROLL & ~WS_VISIBLE; iVideoWindow->put_WindowStyle( windowStyle); } else iVideoWindow = NULL; if( (hr = pGraph->QueryInterface(IID_IMediaControl, (void **) &pMC)) == 0) { pMC->Run(); // sometimes it returns 1, but still ok state = PLAYING; pMC->Release(); } if( iVideoWindow ) { iVideoWindow->put_Visible( OAFALSE ); LONG windowStyle; iVideoWindow->get_WindowStyle( &windowStyle); windowStyle &= ~WS_BORDER & ~WS_CAPTION & ~WS_SIZEBOX & ~WS_THICKFRAME & ~WS_HSCROLL & ~WS_VSCROLL & ~WS_VISIBLE; iVideoWindow->put_WindowStyle( windowStyle); LONG maxWidth; LONG maxHeight; hr=iVideoWindow->GetMaxIdealImageSize( &maxWidth, &maxHeight); #ifdef FULL_SCREEN_VIDEO #else iVideoWindow->put_BorderColor( RGB(0,0,0) ); iVideoWindow->put_WindowState(SW_MAXIMIZE); IBaseFilter *iFilter; if( pGraph->FindFilterByName((const WCHAR *)L"Video Renderer", &iFilter) == 0) { IBasicVideo *iBasicVideo; if( iFilter->QueryInterface(IID_IBasicVideo, (void **)&iBasicVideo) == 0) { LONG screenWidth; LONG screenHeight; LONG videoWidth; LONG videoHeight; if( iVideoWindow->get_Width(&screenWidth) == 0 && iVideoWindow->get_Height(&screenHeight) == 0 && iBasicVideo->GetVideoSize(&videoWidth, &videoHeight) == 0) { // zoom in by 2 if possible if( screenWidth >= videoWidth * 2 && screenHeight >= videoHeight * 2) { videoWidth *= 2; videoHeight *= 2; } // center the video client area iBasicVideo->SetDestinationPosition( (screenWidth-videoWidth)/2, (screenHeight-videoHeight)/2, videoWidth, videoHeight); } iBasicVideo->Release(); } iFilter->Release(); } #endif iVideoWindow->HideCursor(OATRUE); iVideoWindow->SetWindowForeground(OATRUE); } if(iVideoWindow) { iVideoWindow->Release(); iVideoWindow = NULL; } } if( hr && !skip_on_fail_flag) err.run("video.play error %d", hr ); }