/** Set playback topology */
FIntPoint FImfVideoPlayer::SetPlaybackTopology( FImfSampleGrabberCallback* SampleGrabberCallback )
{
FIntPoint OutDimensions = FIntPoint( ForceInit );
HRESULT HResult = S_OK;
IMFPresentationDescriptor* PresentationDesc = NULL;
HResult = MediaSource->CreatePresentationDescriptor( &PresentationDesc );
check( SUCCEEDED( HResult ) );
IMFTopology* Topology = NULL;
HResult = MFCreateTopology( &Topology );
check( SUCCEEDED( HResult ) );
DWORD StreamCount = 0;
HResult = PresentationDesc->GetStreamDescriptorCount( &StreamCount );
check( SUCCEEDED( HResult ) );
for( uint32 i = 0; i < StreamCount; i++ )
{
BOOL bSelected = 0;
IMFStreamDescriptor* StreamDesc = NULL;
HResult = PresentationDesc->GetStreamDescriptorByIndex( i, &bSelected, &StreamDesc );
check( SUCCEEDED( HResult ) );
if( bSelected )
{
FIntPoint VideoDimensions = AddStreamToTopology( Topology, PresentationDesc, StreamDesc, SampleGrabberCallback );
if( VideoDimensions != FIntPoint( ForceInit ) )
OutDimensions = VideoDimensions;
}
StreamDesc->Release( );
}
HResult = MediaSession->SetTopology( 0, Topology );
check( SUCCEEDED( HResult ) );
Topology->Release( );
PresentationDesc->Release( );
return OutDimensions;
}
CTedPlayer::~CTedPlayer()
{
HRESULT hr;
if(m_pCPM)
{
m_pCPM->Release();
}
for(size_t i = 0; i < m_aTopologies.GetCount(); i++)
{
CComPtr<IMFCollection> spSourceNodeCollection;
IMFTopology* pTopology = m_aTopologies.GetAt(i);
hr = pTopology->GetSourceNodeCollection(&spSourceNodeCollection);
if(FAILED(hr))
{
pTopology->Release();
continue;
}
DWORD cElements = 0;
spSourceNodeCollection->GetElementCount(&cElements);
for(DWORD j = 0; j < cElements; j++)
{
CComPtr<IUnknown> spSourceNodeUnk;
CComPtr<IMFTopologyNode> spSourceNode;
CComPtr<IMFMediaSource> spSource;
hr = spSourceNodeCollection->GetElement(j, &spSourceNodeUnk);
if(FAILED(hr)) continue;
hr = spSourceNodeUnk->QueryInterface(IID_IMFTopologyNode, (void**) &spSourceNode);
if(FAILED(hr)) continue;
hr = spSourceNode->GetUnknown(MF_TOPONODE_SOURCE, IID_IMFMediaSource, (void**) &spSource);
if(FAILED(hr)) continue;
spSource->Shutdown();
}
CComPtr<IMFCollection> spOutputNodeCollection;
hr = pTopology->GetOutputNodeCollection(&spOutputNodeCollection);
if(FAILED(hr))
{
pTopology->Release();
continue;
}
cElements = 0;
spOutputNodeCollection->GetElementCount(&cElements);
for(DWORD j = 0; j < cElements; j++)
{
CComPtr<IUnknown> spSinkNodeUnk;
CComPtr<IMFTopologyNode> spSinkNode;
CComPtr<IUnknown> spStreamSinkUnk;
CComPtr<IMFStreamSink> spStreamSink;
CComPtr<IMFMediaSink> spSink;
hr = spOutputNodeCollection->GetElement(j, &spSinkNodeUnk);
if(FAILED(hr)) continue;
hr = spSinkNodeUnk->QueryInterface(IID_IMFTopologyNode, (void**) &spSinkNode);
if(FAILED(hr)) continue;
hr = spSinkNode->GetObject(&spStreamSinkUnk);
if(FAILED(hr)) continue;
hr = spStreamSinkUnk->QueryInterface(IID_IMFStreamSink, (void**) &spStreamSink);
if(FAILED(hr)) continue;
hr = spStreamSink->GetMediaSink(&spSink);
if(FAILED(hr)) continue;
spSink->Shutdown();
}
pTopology->Release();
}
if(m_spClearSession)
{
m_spClearSession->Shutdown();
}
if(m_spProtectedSession)
{
m_spProtectedSession->Shutdown();
}
}