private void StopConversion()
{
// stop graph
m_pMediaControl.Stop();
// destroy all objects
m_pEvent = null;
m_pSeeking = null;
m_pMediaControl = null;
m_pRenderEngine.ScrapIt();
m_pRenderEngine = null;
m_pTimeline = null;
m_pVideoGroupObj = null;
m_pAudioGroupObj = null;
m_pIMPEGEncoderProfile = null;
m_pIMPEGEncoder = null;
m_pMPEGWriter = null;
m_pGraph = null;
m_pBuilder = null;
}
private int LoadMPEGCodec()
{
Guid guid = new Guid("CFD87339-C61F-46ca-B6A1-F87D6B96243E");
Type comtype = Type.GetTypeFromCLSID(guid);
m_pMPEGWriter = (IBaseFilter)Activator.CreateInstance(comtype);
m_pIMPEGEncoder = (IStandardMpegEncoder)m_pMPEGWriter;
// make the mpeg encoder select one of the pre-defined
// profile objects that it stores internally. For audio
// you will need to create your own profile.
m_pIMPEGEncoder.SelectFormat(m_systemsFormat, m_constraint);
m_pIMPEGEncoder.GetSelectedProfile(out m_pIMPEGEncoderProfile);
return 0;
}
