带有GMF GDCL MPEG 4 Mux滤波器的GMFBridge

SourceFilter ---> GDCL MPEG 4 Mux Filter ---> FileWriter

FirstPart ==>  SourceFilter---> GDCL MPEG 4 Mux Filter--> BridgeSinkFilter

SecondPart ==> BridgeSourceFilter ---> FileWriter 

IGraphBuilder firstPartGraph = (IGraphBuilder) new FilterGraph();
IGraphBuilder secondPartGraph =  (IGraphBuilder) new FilterGraph();

IBaseFilter   bridgeSinkFilter;
IBaseFilter   bridgeSourceFilter;

IBaseFilter   sourceFilter;
IBaseFilter   muxerFilter;
IBaseFilter   fileWriterFilter;


// Create bridge controller  and init
IGMFBridgeController bridge = (IGMFBridgeController)new GMFBridgeController();

bridge.AddStream(true,eFormatType.MuxInputs, true);

// Then insert Sink filter

bridge.InsertSinkFilter(firstPartGraph, bridgeSinkFilter);

// Configure first part filters


firstPartGraph.AddFilter(sourceFilter);
firstPartGraph.AddFilter(muxerFilter);
firstPartGraph.AddFilter(bridgeSinkFilter); // Have to add this??

ConnectFilters(firstPartGraph,sourceFilter,muxerFilter);
ConnectFilters(firstPartGraph,muxerFilter,bridgeSinkFilter);


// Now add bridge sourceFilter

bridge.InsertSourceFilter(bridgeSinkFilter,secondPartGraph,bridgeSourceFilter);

 // Then configure second part graph


secondPartGraph.AddFilter(bridgeSourceFilter); // Have to add this??
secondPartGraph.AddFilter(fileWriterFilter);

ConnectFilters(secondPartGraph,bridgeSourceFilter,fileWriterFilter);


 // Now bridge two graphs

 bridge.BridgeGraphs(bridgeSinkFilter,fileWriterFilter,bridgeSourceFilter);


// Execute both graphs

 IMediaControl mediaControlForPartOne = (IMediaControl)firstPartGraph;
 mediaControlForPartOne->Run(); 

 IMediaControl mediaControlForPartSecond = (IMediaControl)secondPartGraph;
 mediaControlForPartSecond->Run();

  FirstPart ==>  SourceFilter--> BridgeSinkFilter
  SecondPart ==> BridgeSourceFilter ---> GDCL MPEG 4 Mux Filter---> FileWriter