private void CloseInterfaces()
{
int hr;
if (m_adecOut != null)
{
CleanUpInterface(m_adecOut);
m_adecOut = null;
}
if (_defaultAudioRenderer != null)
{
m_graph.RemoveFilter(_defaultAudioRenderer as DirectShowLib.IBaseFilter);
CleanUpInterface(_defaultAudioRenderer);
_defaultAudioRenderer = null;
}
if (_reclockAudioRenderer != null)
{
m_graph.RemoveFilter(_reclockAudioRenderer as DirectShowLib.IBaseFilter);
CleanUpInterface(_reclockAudioRenderer);
_reclockAudioRenderer = null;
}
if (_wasapiAR != null)
{
m_graph.RemoveFilter(_wasapiAR as DirectShowLib.IBaseFilter);
CleanUpInterface(_wasapiAR);
_wasapiAR = null;
}
if (_lavaudio != null)
{
m_graph.RemoveFilter(_lavaudio as DirectShowLib.IBaseFilter);
CleanUpInterface(_lavaudio);
_lavaudio = null;
}
if (_xyVsFilter != null)
{
m_graph.RemoveFilter(_xyVsFilter as DirectShowLib.IBaseFilter);
CleanUpInterface(_xyVsFilter);
_xyVsFilter = null;
}
if (_xySubFilter != null)
{
m_graph.RemoveFilter(_xySubFilter as DirectShowLib.IBaseFilter);
CleanUpInterface(_xySubFilter);
_xySubFilter = null;
}
if (_lavvideo != null)
{
m_graph.RemoveFilter(_lavvideo as DirectShowLib.IBaseFilter);
CleanUpInterface(_lavvideo);
_lavvideo = null;
}
if (_madvr != null)
{
m_graph.RemoveFilter(_madvr as DirectShowLib.IBaseFilter);
CleanUpInterface(_madvr);
_madvr = null;
}
if (_videoWindow != null)
{
// Relinquish ownership (IMPORTANT!) after hiding video window
hr = _videoWindow.put_Visible(OABool.False);
hr = _videoWindow.put_Owner(IntPtr.Zero);
}
if (_mediaEventEx != null)
{
hr = _mediaEventEx.SetNotifyWindow(IntPtr.Zero, 0, IntPtr.Zero);
//Marshal.ReleaseComObject(_mediaEventEx);
//_mediaEventEx = null;
}
//if (_dvdNav != null)
//{
// Marshal.ReleaseComObject(_dvdNav);
// _dvdNav = null;
//}
/* //this will double release the source filter
if (dvdInfo != null)
{
Marshal.ReleaseComObject(dvdInfo);
dvdInfo = null;
}
if (_mDvdControl != null)
{
Marshal.ReleaseComObject(_mDvdControl);
}
*/
_mDvdControl = null;
CleanUpInterface(_mPDisplay);
_mPDisplay = null;
CleanUpInterface(_sourceFilter);
_sourceFilter = null;
CleanUpInterface(_mPEvr);
_mPEvr = null;
CleanUpInterface(m_filterGraph);
m_filterGraph = null;
m_filterGraph = null;
_mediaEventEx = null;
_mediaSeeking = null;
_mediaPosition = null;
_mediaControl = null;
_basicAudio = null;
_basicVideo = null;
m_graph = null;
_videoWindow = null;
_filterGraph = null;
if (m_dsRot != null)
m_dsRot.Dispose();
m_dsRot = null;
_mSeekCaps = 0;
_streams = null;
GC.Collect();
}
private void SetupGraphForRateChange(double rate, IBaseFilter audioRenderer)
{
int hr = 0;
_logger.Debug("SetupGraphForRateChange: {0}", rate);
if (_wasapiAR != null)
{
IBasicAudio ba = _filterGraph as IBasicAudio;
if (ba != null)
{
int orgVol = 0;
hr = ba.get_Volume(out orgVol);
DsError.ThrowExceptionForHR(hr);
_logger.Debug("SetupGraphForRateChange: Current Volume: {0}", orgVol);
if (Math.Abs(rate) > 1.5)
{
hr = ba.put_Volume(-10000); //turn off the volume so we can ffwd
DsError.ThrowExceptionForHR(hr);
_logger.Debug("SetupGraphForRateChange: mute");
}
else if (Math.Abs(rate) <= 1.5)
{
hr = ba.put_Volume(0); //set the volume back to full
DsError.ThrowExceptionForHR(hr);
_logger.Debug("SetupGraphForRateChange: enable volume");
}
}
}
else
{
IPin arIn = null;
try
{
if (audioRenderer != null)
{
if (Math.Abs(rate) > 4 && m_adecOut == null)
{
_logger.Debug("SetupGraphForRateChange: remove audio renderer");
//grab the audio decoder's output pin
arIn = DsFindPin.ByDirection(audioRenderer, PinDirection.Input, 0);
hr = arIn.ConnectedTo(out m_adecOut);
DsError.ThrowExceptionForHR(hr);
//stop the graph
hr = _mediaControl.Stop();
DsError.ThrowExceptionForHR(hr);
//remove it
hr = _filterGraph.RemoveFilter(audioRenderer);
DsError.ThrowExceptionForHR(hr);
//start the graph again
hr = _mediaControl.Run();
DsError.ThrowExceptionForHR(hr);
}
else if (Math.Abs(rate) <= 4 && m_adecOut != null)
{
_logger.Debug("SetupGraphForRateChange: add the audio renderer back");
//stop the graph
hr = _mediaControl.Stop();
DsError.ThrowExceptionForHR(hr);
//add the audio renderer back into the graph
hr = _filterGraph.AddFilter(audioRenderer, "Audio Renderer");
DsError.ThrowExceptionForHR(hr);
//connect it to the decoder pin
arIn = DsFindPin.ByDirection(audioRenderer, PinDirection.Input, 0);
hr = _filterGraph.ConnectDirect(m_adecOut, arIn, null);
DsError.ThrowExceptionForHR(hr);
Marshal.ReleaseComObject(m_adecOut);
m_adecOut = null;
//start the graph again
hr = _mediaControl.Run();
DsError.ThrowExceptionForHR(hr);
}
}
if (Math.Abs(rate) <= 4)
{
IBasicAudio ba = _filterGraph as IBasicAudio;
if (ba != null)
{
int orgVol = 0;
hr = ba.get_Volume(out orgVol);
DsError.ThrowExceptionForHR(hr);
_logger.Debug("SetupGraphForRateChange: Current Volume: {0}", orgVol);
if (Math.Abs(rate) > 1.5)
{
hr = ba.put_Volume(-10000); //turn off the volume so we can ffwd
DsError.ThrowExceptionForHR(hr);
_logger.Debug("SetupGraphForRateChange: mute");
}
else if (Math.Abs(rate) <= 1.5)
{
hr = ba.put_Volume(0); //set the volume back to full
DsError.ThrowExceptionForHR(hr);
_logger.Debug("SetupGraphForRateChange: enable volume");
}
}
}
}
finally
{
if (arIn != null)
Marshal.ReleaseComObject(arIn);
}
}
}