/** 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;
}
HRESULT CPlayer::HandleEvent(UINT_PTR pEventPtr)
{
HRESULT hrStatus = S_OK;
HRESULT hr = S_OK;
MediaEventType meType = MEUnknown;
IMFMediaEvent *pEvent = (IMFMediaEvent*)pEventPtr;
if (pEvent == NULL)
{
return E_POINTER;
}
// Get the event type.
hr = pEvent->GetType(&meType);
CHECK_HR( hr );
// Get the event status. If the operation that triggered the event
// did not succeed, the status is a failure code.
hr = pEvent->GetStatus(&hrStatus);
// Check if the async operation succeeded.
if (SUCCEEDED(hr) && FAILED(hrStatus))
{
hr = hrStatus;
}
CHECK_HR( hr );
switch(meType)
{
case MESessionTopologyStatus:
hr = OnTopologyStatus(pEvent);
break;
case MEEndOfPresentation:
hr = OnPresentationEnded(pEvent);
CI_LOG_V("Presentation Ended");
break;
case MENewPresentation:
hr = OnNewPresentation(pEvent);
CI_LOG_V( "New Presentation" );
break;
case MESessionTopologySet:
IMFTopology * topology;
GetEventObject<IMFTopology> (pEvent,&topology);
WORD nodeCount;
topology->GetNodeCount(&nodeCount);
CI_LOG_V( "Topo set and we have " << nodeCount << " nodes" );
//cout << "Topo set and we have " << nodeCount << " nodes" << endl;
SafeRelease(&topology);
break;
case MESessionStarted:
CI_LOG_V( "Started Session" );
break;
case MEBufferingStarted:
CI_LOG_I( "Buffering..." );
break;
case MEBufferingStopped:
CI_LOG_I( "Finished Buffering..." );
break;
default:
hr = OnSessionEvent(pEvent, meType);
break;
}
done:
SafeRelease(&pEvent);
return hr;
}
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();
}
}
