private void TestInit()
{
int hr;
IGraphBuilder igb, igb2;
hr = m_mms.Initialize(StreamType.Read, AMMMultiStream.None, null);
MsError.ThrowExceptionForHR(hr);
hr = m_mms.GetFilterGraph(out igb2);
MsError.ThrowExceptionForHR(hr);
Debug.Assert(igb2 == null, "GetFilterGraph");
igb = (IGraphBuilder) new FilterGraph();
hr = m_mms.Initialize(StreamType.Read, AMMMultiStream.None, igb);
MsError.ThrowExceptionForHR(hr);
hr = m_mms.GetFilterGraph(out igb2);
MsError.ThrowExceptionForHR(hr);
Debug.Assert(igb == igb2, "GetFilterGraph");
}
private void Config()
{
int hr;
IMediaStream pStream = null;
IAMMultiMediaStream amms = (IAMMultiMediaStream) new AMMultiMediaStream();
hr = amms.AddMediaStream(null, MSPID.PrimaryAudio, AMMStream.None, pStream);
MsError.ThrowExceptionForHR(hr);
hr = amms.OpenFile("foo.avi", AMOpenModes.RenderAllStreams);
MsError.ThrowExceptionForHR(hr);
IGraphBuilder pGraphBuilder;
hr = amms.GetFilterGraph(out pGraphBuilder);
MsError.ThrowExceptionForHR(hr);
DsROTEntry rot = new DsROTEntry(pGraphBuilder);
m_mms = (IMultiMediaStream)amms;
}
public int Initialize(STREAM_TYPE streamType, int dwFlags, IGraphBuilder pFilterGraph)
{
if (IsValid)
{
throw new InvalidOperationException("Instance is already active.");
}
AMMultiMediaStream amms = new AMMultiMediaStream();
_pMMS = (IAMMultiMediaStream)amms;
int hr = _pMMS.Initialize(streamType, dwFlags, pFilterGraph);
if (hr == MSStatus.MS_S_OK)
{
hr = _pMMS.GetFilterGraph(out _pGB);
}
return hr;
}