HRESULT ConfigureVMR9(HWND window)
{
assert(g_graph != NULL);
HRESULT hr = S_OK;
RECT rect;
SmartPtr<IVMRFilterConfig9> filterConfig;
// Create the VMR-9.
FAIL_RET( CoCreateInstance(CLSID_VideoMixingRenderer9, NULL, CLSCTX_INPROC_SERVER, IID_IBaseFilter, (void**)&g_filter) );
// Configure the VMR-9.
// Set the maximum number of video streams, and set windowless mode.
FAIL_RET( g_filter->QueryInterface(IID_IVMRFilterConfig9, reinterpret_cast<void**>(&filterConfig)) );
FAIL_RET( filterConfig->SetNumberOfStreams( MAX_VIDEO_STREAMS ) );
FAIL_RET( filterConfig->SetRenderingMode( VMR9Mode_Windowless ) );
FAIL_RET( g_filter->QueryInterface(IID_IVMRWindowlessControl9, reinterpret_cast<void**>(&g_windowlessControl)) );
FAIL_RET( g_windowlessControl->SetVideoClippingWindow( window ) );
GetClientRect( window, & rect );
FAIL_RET( g_windowlessControl->SetVideoPosition(NULL, & rect) );
// Set the custom compositor on the VMR-9.
g_compositor.Attach( new CMyCompositor9() );
FAIL_RET( filterConfig->SetImageCompositor( g_compositor ));
// Add the VMR-9 to the filter graph.
FAIL_RET( g_graph->AddFilter(g_filter, L"Video Mixing Renderer 9") );
return hr;
}
HRESULT CSampleCGB::CreateAudioPin( IMpeg2Demultiplexer *pIMpeg2Demux )
{
if(!pIMpeg2Demux)return E_INVALIDARG;
//
// for audio: could be Mpeg1, Mpeg2, AC3: if Mpeg1 failed (connect failed) try Mpeg2.if failed tried AC3
// Audio struct of AC3 can be copied from dev code.
//
AM_MEDIA_TYPE amTypeAudio;
amTypeAudio.majortype = MEDIATYPE_Audio;
amTypeAudio.subtype = MEDIASUBTYPE_MPEG2_AUDIO;
amTypeAudio.bFixedSizeSamples = TRUE;
amTypeAudio.bTemporalCompression = 0;
amTypeAudio.formattype = FORMAT_WaveFormatEx;
amTypeAudio.pUnk = NULL;
amTypeAudio.cbFormat = sizeof( MPEG1AudioFormat );
amTypeAudio.pbFormat = MPEG1AudioFormat;
SmartPtr<IPin> pAudioOutPin;
HRESULT hr = pIMpeg2Demux->CreateOutputPin(&amTypeAudio,L"MpegAudio",&pAudioOutPin);
if(FAILED(hr))return hr;
SmartPtr<IMPEG2StreamIdMap> pIAudioPIDMap;
hr = pAudioOutPin->QueryInterface(&pIAudioPIDMap);
if(FAILED(hr))return hr;
hr = pIAudioPIDMap->MapStreamId(AudPID_,MPEG2_PROGRAM_ELEMENTARY_STREAM,0,0);
if(FAILED(hr))return hr;
return hr;
}
HRESULT CSampleCGB::CreateVideoPin( IMpeg2Demultiplexer *pIMpeg2Demux )
{
if(!pIMpeg2Demux)return E_INVALIDARG;
AM_MEDIA_TYPE amTypeVideo;
amTypeVideo.majortype = MEDIATYPE_Video;
amTypeVideo.subtype = MEDIASUBTYPE_MPEG2_VIDEO;
amTypeVideo.bFixedSizeSamples = TRUE;
amTypeVideo.bTemporalCompression = 0;
amTypeVideo.formattype = FORMAT_MPEG2_VIDEO;
amTypeVideo.pUnk = NULL;
amTypeVideo.cbFormat = sizeof(Mpeg2ProgramVideo);
amTypeVideo.pbFormat = Mpeg2ProgramVideo;
//
// Create video pin
//
SmartPtr<IPin> pVideoOutPin;
HRESULT hr = pIMpeg2Demux->CreateOutputPin(&amTypeVideo,L"MpegVideo",&pVideoOutPin);
if(FAILED(hr))return hr;
SmartPtr<IMPEG2StreamIdMap> pIVideoPIDMap;
hr = pVideoOutPin->QueryInterface(&pIVideoPIDMap);
if(FAILED(hr))return hr;
hr = pIVideoPIDMap->MapStreamId(VidPID_,MPEG2_PROGRAM_ELEMENTARY_STREAM,0,0);
if(FAILED(hr))return hr;
return hr;
}
HRESULT
ISampleCaptureGraphBuilder::SetOutputFileName( const GUID *pType,
LPCOLESTR lpwstrFile,
IBaseFilter **ppf,
IFileSinkFilter **pSink )
{
if( ! pType || ! lpwstrFile || !ppf || !pSink )
{
return E_INVALIDARG;
}
if( !::IsEqualGUID( *pType, MEDIASUBTYPE_Mpeg2 ) )
{
return graphBuilder2_->SetOutputFileName(pType, lpwstrFile, ppf, pSink );
}
HRESULT hr;
if( !graph_ )
{
hr = GetFiltergraph( &graph_ );
if( FAILED( hr ) )
{
return hr;
}
}
//
// Configure the dump filter
//
SmartPtr< IFileSinkFilter > pDump;
hr = CoCreateInstance(CLSID_Dump, NULL, CLSCTX_INPROC_SERVER, IID_IBaseFilter, (void**)&pDump);
if( FAILED( hr ) )
{
return hr;
}
hr = pDump->SetFileName( lpwstrFile, NULL );
if( FAILED( hr ) )
{
return hr;
}
hr = pDump.QueryInterface( &pMPEG2Demux_ );
if( FAILED( hr ) )
{
return hr;
}
hr = graph_->AddFilter( pMPEG2Demux_, L"Dump" );
if( FAILED( hr ) )
{
pMPEG2Demux_ = NULL;
return hr;
}
*pSink = pDump;
return S_OK;
}
HRESULT SceneGraph::RecurentNotifyAddSceneContent(__in ISceneChangesNotificationListener *pListener, __in ISceneObjectGroup *pGroup)
{
HRESULT hr = S_OK;
UINT cnt = pGroup->GetObjectCount();
for (UINT i = 0; i < cnt; i++)
{
SmartPtr<ISceneObject> spObj;
hr = pGroup->GetObject(i, &spObj);
if (FAILED(hr))
break;
(void)pListener->OnSceneObjectChanged(spObj, SOCT_OBJECT_ADD);
SmartPtr<ISceneObjectGroup> spGroup;
(void)spObj->QueryInterface(&spGroup);
if (spGroup != NULL)
{
hr = RecurentNotifyAddSceneContent(pListener, spGroup);
if (FAILED(hr))
break;
}
}
return hr;
}
HRESULT StartGraph(HWND window)
{
HRESULT hr = S_OK;
const DWORD BUFFER_SIZE = MAX_PATH * MAX_VIDEO_STREAMS;
MultiSelectFileList<BUFFER_SIZE> selectList;
OPENFILENAME ofn;
ZeroMemory(&ofn, sizeof(ofn));
ofn.lStructSize = sizeof(OPENFILENAME);
ofn.hwndOwner = g_hWnd;
ofn.lpstrFilter = TEXT("Video Files (.AVI, .MPG, .MPEG, .VOB, .WMV)\0*.AVI;*.MPG;*.MPEG;*.VOB;*.WMV\0")
TEXT("All Files (*.*)\0*.*\0\0");
ofn.nFilterIndex = 1;
ofn.lpstrFile = selectList.BufferPtr();
ofn.nMaxFile = selectList.BufferSizeCch();
ofn.lpstrTitle = TEXT("Select a video file to play...");
ofn.Flags = OFN_HIDEREADONLY | OFN_ALLOWMULTISELECT | OFN_FILEMUSTEXIST | OFN_EXPLORER;
ofn.lpstrDefExt = TEXT("AVI");
// Launch the Open File dialog.
DWORD result = GetOpenFileName(&ofn);
// Check for errors.
if (CommDlgExtendedError() != 0)
{
// NOTE: For mult-selection, CommDlgExtendedError can return FNERR_BUFFERTOOSMALL even when
// GetOpenFileName returns TRUE.
MessageBox(NULL, TEXT( "Could not open files." ), NULL, MB_OK | MB_ICONERROR);
return E_FAIL;
}
else if (!result)
{
// The user cancelled. (No error occurred.)
return S_OK;
}
FAIL_RET(hr = selectList.ParseBuffer());
// Clear all DirectShow interfaces (COM smart pointers)
g_compositor = NULL;
g_windowlessControl = NULL;
g_mediaControl = NULL;
g_filter = NULL;
g_graph = NULL;
// Create the Filter Graph Manager.
FAIL_RET( CoCreateInstance(CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER, IID_IGraphBuilder, (void**)&g_graph) );
// Configure the VMR-9.
FAIL_RET( ConfigureVMR9(window) );
// Render every file that the user selected.
for (DWORD i = 0; i < MAX_VIDEO_STREAMS; i++)
{
TCHAR *pFileName = NULL;
FAIL_RET(hr = selectList.Next(&pFileName));
if (hr == S_FALSE)
{
hr = S_OK;
break;
}
hr = g_graph->RenderFile( pFileName, NULL );
CoTaskMemFree(pFileName);
FAIL_RET(hr);
}
// Run the graph.
FAIL_RET( g_graph->QueryInterface(IID_IMediaControl, reinterpret_cast<void**>(&g_mediaControl)) );
FAIL_RET( g_mediaControl->Run() );
return hr;
}
HRESULT
ISampleCaptureGraphBuilder::CreateVideoPin(
IMpeg2Demultiplexer *pIMpeg2Demux )
{
if( !pIMpeg2Demux )
{
return E_INVALIDARG;
}
AM_MEDIA_TYPE amTypeVideo;
amTypeVideo.majortype = MEDIATYPE_Video;
amTypeVideo.subtype = MEDIASUBTYPE_MPEG2_VIDEO;
amTypeVideo.bFixedSizeSamples = TRUE;
amTypeVideo.bTemporalCompression = 0;
amTypeVideo.formattype = FORMAT_MPEG2Video;
amTypeVideo.pUnk = NULL;
amTypeVideo.cbFormat = sizeof( Mpeg2ProgramVideo );
amTypeVideo.pbFormat = Mpeg2ProgramVideo;
//
// Create video pin
//
SmartPtr<IPin> pVideoOutPin;
HRESULT hr = pIMpeg2Demux->CreateOutputPin( &amTypeVideo, L"MpegVideo", &pVideoOutPin );
if( FAILED( hr ) )
{
return hr;
}
SmartPtr<IMPEG2StreamIdMap> pIVideoPIDMap;
hr = pVideoOutPin->QueryInterface( &pIVideoPIDMap );
if( FAILED( hr ) )
{
return hr;
}
hr = pIVideoPIDMap->MapStreamId(VidPID_, MPEG2_PROGRAM_ELEMENTARY_STREAM , 0, 0);
if( FAILED( hr ) )
{
return hr;
}
#ifdef USE_VMR
//
// Get the VMR interface and add it to the graph
//
SmartPtr<IBaseFilter> pVMR;
hr = pVMR.CoCreateInstance( CLSID_VideoMixingRenderer );
if( FAILED( hr ) )
{
return hr;
}
hr = graph_->AddFilter( pVMR, L"VMR" );
if( FAILED( hr ) )
{
return hr;
}
//
//before rendering the VMR, make the number of streams 1
//
SmartPtr<IVMRFilterConfig> pConfig;
hr = pVMR.QueryInterface( &pConfig );
if( FAILED( hr ) )
{
return hr;
}
hr = pConfig->SetNumberOfStreams( 1 );
if( FAILED( hr ) )
{
return hr;
}
//
// Get the input pin from the VMR
//
SmartPtr<IPin> pInputPin;
hr = graphBuilder2_->FindPin(
static_cast<IBaseFilter *>( pVMR ),
PINDIR_INPUT,
NULL,
NULL,
TRUE,
0,
&pInputPin
);
if( FAILED( hr ) )
{
hr = pIMpeg2Demux->DeleteOutputPin(L"MpegVideo");
graph_->RemoveFilter( pVMR );
return hr;
}
return graph_->Connect( pVideoOutPin, pInputPin );
#endif
return hr;
}
HRESULT StartGraph(HWND window)
{
// Clear DirectShow interfaces (COM smart pointers)
CloseGraph(window);
SmartPtr<IVMRFilterConfig9> filterConfig;
BSTR path = GetMoviePath();
if( ! path )
{
return E_FAIL;
}
HRESULT hr;
hr = CoCreateInstance(CLSID_FilterGraph, NULL, CLSCTX_INPROC_SERVER, IID_IGraphBuilder, (void**)&g_graph);
if (SUCCEEDED(hr))
{
hr = CoCreateInstance(CLSID_VideoMixingRenderer9, NULL, CLSCTX_INPROC_SERVER, IID_IBaseFilter, (void**)&g_filter);
}
if (SUCCEEDED(hr))
{
hr = g_filter->QueryInterface(IID_IVMRFilterConfig9, reinterpret_cast<void**>(&filterConfig));
}
if (SUCCEEDED(hr))
{
hr = filterConfig->SetRenderingMode( VMR9Mode_Renderless );
}
if (SUCCEEDED(hr))
{
hr = filterConfig->SetNumberOfStreams(2);
}
if (SUCCEEDED(hr))
{
hr = SetAllocatorPresenter( g_filter, window );
}
if (SUCCEEDED(hr))
{
hr = g_graph->AddFilter(g_filter, L"Video Mixing Renderer 9");
}
if (SUCCEEDED(hr))
{
hr = g_graph->QueryInterface(IID_IMediaControl, reinterpret_cast<void**>(&g_mediaControl));
}
if (SUCCEEDED(hr))
{
hr = g_graph->RenderFile( path, NULL );
}
if (SUCCEEDED(hr))
{
hr = g_mediaControl->Run();
}
SysFreeString(path);
return hr;
}
