//-------------------------------------------------------------------
// Name: Create
// Description: Static creation function.
//-------------------------------------------------------------------
public static void Create(IMFByteStream pStream, out CWavRiffParser ppParser)
{
// Create a riff parser for the 'RIFF' container
ppParser = new CWavRiffParser(pStream);
// Check the RIFF file type.
if (ppParser.RiffType() != new FourCC("WAVE"))
{
throw new COMException("not a WAVE file", MFError.MF_E_INVALID_FILE_FORMAT);
}
}
public void Dispose()
{
if (m_Riff != null)
{
m_Riff.Dispose();
m_Riff = null;
}
if (m_pEventQueue != null)
{
Marshal.ReleaseComObject(m_pEventQueue);
m_pEventQueue = null;
}
if (m_pSource != null)
{
//m_pSource.Dispose(); Children don't dispose their parents...
m_pSource = null;
}
if (m_pStreamDescriptor != null)
{
Marshal.ReleaseComObject(m_pStreamDescriptor);
m_pStreamDescriptor = null;
}
if (m_Log != null)
{
m_Log.Dispose();
m_Log = null;
}
GC.SuppressFinalize(this);
}
public void Dispose()
{
if (m_pRiff != null)
{
m_pRiff.Dispose();
m_pRiff = null;
}
if (m_pStream != null)
{
m_pStream.Dispose();
m_pStream = null;
}
if (m_pEventQueue != null)
{
Marshal.ReleaseComObject(m_pEventQueue);
m_pEventQueue = null;
}
if (m_pPresentationDescriptor != null)
{
Marshal.ReleaseComObject(m_pPresentationDescriptor);
m_pPresentationDescriptor = null;
}
if (m_Log != null)
{
m_Log.Dispose();
m_Log = null;
}
GC.SuppressFinalize(this);
}
long m_rtCurrentPosition; // Current position in the stream, in 100-ns units
#endregion Fields
#region Constructors
public WavStream(WavSource pSource, CWavRiffParser pRiff, IMFStreamDescriptor pSD)
{
int hr;
m_pEventQueue = null;
m_Log = new xLog("WavStream");
#if false
m_nRefCount(0),
m_IsShutdown(false),
m_rtCurrentPosition(0),
m_discontinuity(false),
m_EOS(false)
#endif
m_pSource = pSource;
m_pStreamDescriptor = pSD;
m_Riff = pRiff;
// Create the media event queue.
hr = MFExternAlt.MFCreateEventQueue(out m_pEventQueue);
MFError.ThrowExceptionForHR(hr);
}
