public static void RemoveAllFilters()
{
int hr = 0;
DirectShowLib.IEnumFilters enumFilters;
System.Collections.ArrayList filtersArray = new System.Collections.ArrayList();
hr = graph.EnumFilters(out enumFilters);
DsError.ThrowExceptionForHR(hr);
DirectShowLib.IBaseFilter[] filters = new DirectShowLib.IBaseFilter[1];
int fetched;
while (enumFilters.Next(filters.Length, filters, out fetched) == 0)
{
filtersArray.Add(filters[0]);
}
foreach (DirectShowLib.IBaseFilter filter in filtersArray)
{
hr = graph.RemoveFilter(filter);
while (System.Runtime.InteropServices.Marshal.ReleaseComObject(filter) > 0)
{
;
}
}
}
private void CloseInterfaces()
{
_hiddenWindow.SizeChanged -= _hiddenWindow_SizeChanged;
int hr;
if (_defaultAudioRenderer != null)
{
m_graph.RemoveFilter(_defaultAudioRenderer as DirectShowLib.IBaseFilter);
Marshal.ReleaseComObject(_defaultAudioRenderer);
_defaultAudioRenderer = null;
}
if (_reclockAudioRenderer != null)
{
m_graph.RemoveFilter(_reclockAudioRenderer as DirectShowLib.IBaseFilter);
Marshal.ReleaseComObject(_reclockAudioRenderer);
_reclockAudioRenderer = null;
}
if (_lavaudio != null)
{
m_graph.RemoveFilter(_lavaudio as DirectShowLib.IBaseFilter);
Marshal.ReleaseComObject(_lavaudio);
_lavaudio = null;
}
if (_xyVsFilter != null)
{
m_graph.RemoveFilter(_xyVsFilter as DirectShowLib.IBaseFilter);
Marshal.ReleaseComObject(_xyVsFilter);
_xyVsFilter = null;
}
if (_xySubFilter != null)
{
m_graph.RemoveFilter(_xySubFilter as DirectShowLib.IBaseFilter);
Marshal.ReleaseComObject(_xySubFilter);
_xySubFilter = null;
}
if (_lavvideo != null)
{
m_graph.RemoveFilter(_lavvideo as DirectShowLib.IBaseFilter);
Marshal.ReleaseComObject(_lavvideo);
_lavvideo = null;
}
if (_madvr != null)
{
m_graph.RemoveFilter(_madvr as DirectShowLib.IBaseFilter);
Marshal.ReleaseComObject(_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;
}
if (_mDvdInfo != null)
{
Marshal.ReleaseComObject(_mDvdInfo);
_mDvdInfo = null;
}
if (_mDvdControl != null)
{
Marshal.ReleaseComObject(_mDvdControl);
_mDvdControl = null;
}
if (_mPDisplay != null)
{
Marshal.ReleaseComObject(_mPDisplay);
_mPDisplay = null;
}
if (_filterGraph != null)
{
Marshal.ReleaseComObject(_filterGraph);
_filterGraph = null;
}
if (_mPEvr != null)
{
Marshal.ReleaseComObject(_mPEvr);
_mPEvr = null;
}
if (_mediaEventEx != null)
{
Marshal.ReleaseComObject(_mediaEventEx);
_mediaEventEx = null;
}
if (_mediaSeeking != null)
{
Marshal.ReleaseComObject(_mediaSeeking);
_mediaSeeking = null;
}
if (_mediaPosition != null)
{
Marshal.ReleaseComObject(_mediaPosition);
_mediaPosition = null;
}
if (_mediaControl != null)
{
Marshal.ReleaseComObject(_mediaControl);
_mediaControl = null;
}
if (_basicAudio != null)
{
Marshal.ReleaseComObject(_basicAudio);
_basicAudio = null;
}
if (_basicVideo != null)
{
Marshal.ReleaseComObject(_basicVideo);
_basicVideo = null;
}
if (_sourceFilter != null)
{
Marshal.ReleaseComObject(_sourceFilter);
_sourceFilter = null;
}
if (m_graph != null)
{
Marshal.ReleaseComObject(m_graph);
m_graph = null;
}
if (_videoWindow != null)
{
Marshal.ReleaseComObject(_videoWindow);
_videoWindow = null;
}
_mSeekCaps = 0;
_streams = null;
GC.Collect();
}
