private void Config2()
{
int hr;
IAMMultiMediaStream mms = (IAMMultiMediaStream) new AMMultiMediaStream();
IMediaStream pStream = null;
hr = mms.Initialize(StreamType.Read, AMMMultiStream.None, null);
MsError.ThrowExceptionForHR(hr);
hr = mms.AddMediaStream(null, MSPID.PrimaryAudio, AMMStream.None, pStream);
MsError.ThrowExceptionForHR(hr);
hr = mms.EnumMediaStreams(0, out pStream);
MsError.ThrowExceptionForHR(hr);
m_ams = pStream as IAudioMediaStream;
}
private void Config()
{
int hr;
IAMMultiMediaStream amms = (IAMMultiMediaStream) new AMMultiMediaStream();
IMultiMediaStream mms = (IMultiMediaStream)amms;
IMediaStream pStream = null;
hr = amms.AddMediaStream(null, MSPID.PrimaryAudio, AMMStream.None, pStream);
MsError.ThrowExceptionForHR(hr);
hr = amms.OpenFile("foo.avi", AMOpenModes.RenderAllStreams);
MsError.ThrowExceptionForHR(hr);
hr = mms.EnumMediaStreams(0, out pStream);
MsError.ThrowExceptionForHR(hr);
m_ams = pStream as IAudioMediaStream;
}
public int SetMediaStream(IMediaStream pMediaStream)
{
if (pMediaStream == null)
{
throw new ArgumentNullException("pMediaStream");
}
if (IsValid)
{
throw new InvalidOperationException("Instance is already active.");
}
int hr = MSStatus.MS_E_HANDLE;
_pAudioStream = pMediaStream as IAudioMediaStream;
if (_pAudioStream != null)
{
hr = _pAudioStream.GetFormat(out _wfmt);
if (MSStatus.Succeed(hr))
{
AMAudioData amAudio = new AMAudioData();
_pAudioData = (IAudioData)amAudio;
hr = _pAudioData.SetFormat(ref _wfmt);
}
else
{
_pAudioStream = null;
}
}
return hr;
}
public int ReleaseMediaStream()
{
int hr = MSStatus.MS_S_FALSE;
if (IsValid)
{
hr = CompletionStatus((int)COMPLETION_STATUS_FLAGS.COMPSTAT_ABORT, System.Threading.Timeout.Infinite);
if ( MSStatus.Succeed(hr) )
{
_pAudioSample = null;
Marshal.ReleaseComObject(_pAudioStream);
_pAudioStream = null;
Marshal.FinalReleaseComObject(_pAudioData);
_pAudioData = null;
}
}
return hr;
}
private void Config3()
{
m_ams = (IAudioMediaStream) new AMAudioStream();
}
