/// <summary>
/// destroys the graph and cleans up any resources
/// </summary>
protected void Decompose()
{
if (_graphBuilder == null || !CheckThreadId())
return;
Log.Log.WriteFile("dvb:Decompose");
if (_epgGrabbing)
{
if (_epgGrabberCallback != null && _epgGrabbing)
{
Log.Log.Epg("dvb:cancel epg->decompose");
_epgGrabberCallback.OnEpgCancelled();
}
_epgGrabbing = false;
}
FreeAllSubChannels();
Log.Log.WriteFile(" stop");
// Decompose the graph
int counter = 0, hr = 0;
FilterState state = FilterState.Running;
hr = ((IMediaControl)_graphBuilder).Stop();
while (state != FilterState.Stopped)
{
System.Threading.Thread.Sleep(100);
hr = ((IMediaControl)_graphBuilder).GetState(10, out state);
counter++;
if (counter >= 30)
{
if (state != FilterState.Stopped)
Log.Log.Error("dvb:graph still running");
break;
}
}
//In case MDPlugs exists then close and release them
if (_mdplugs != null)
{
Log.Log.Info(" Closing MDAPI Plugins");
_mdplugs.Close();
_mdplugs = null;
}
if (_conditionalAccess != null)
{
Log.Log.Info(" Disposing ConditionalAccess");
_conditionalAccess.Dispose();
_conditionalAccess = null;
}
Log.Log.WriteFile(" free...");
_interfaceChannelScan = null;
_interfaceEpgGrabber = null;
_previousChannel = null;
if (_filterMpeg2DemuxTif != null)
{
Release.ComObject("_filterMpeg2DemuxTif filter", _filterMpeg2DemuxTif);
_filterMpeg2DemuxTif = null;
}
if (_filterNetworkProvider != null)
{
Release.ComObject("_filterNetworkProvider filter", _filterNetworkProvider);
_filterNetworkProvider = null;
}
if (_infTeeMain != null)
{
Release.ComObject("main inftee filter", _infTeeMain);
_infTeeMain = null;
}
if (_infTeeSecond != null)
{
Release.ComObject("second inftee filter", _infTeeSecond);
_infTeeSecond = null;
}
if (_filterTuner != null)
{
while (Release.ComObject(_filterTuner) > 0)
;
_filterTuner = null;
}
if (_filterCapture != null)
{
while (Release.ComObject(_filterCapture) > 0)
;
_filterCapture = null;
}
if (_filterWinTvUsb != null)
{
Log.Log.Info(" Stopping WinTVCI module");
winTvCiHandler.Shutdown();
while (Release.ComObject(_filterWinTvUsb) > 0)
;
_filterWinTvUsb = null;
}
if (_filterTIF != null)
{
Release.ComObject("TIF filter", _filterTIF);
_filterTIF = null;
}
//if (_filterSectionsAndTables != null)
//{
// Release.ComObject("secions&tables filter", _filterSectionsAndTables); _filterSectionsAndTables = null;
//}
Log.Log.WriteFile(" free pins...");
if (_filterTsWriter as IBaseFilter != null)
{
Release.ComObject("TSWriter filter", _filterTsWriter);
_filterTsWriter = null;
}
else
{
Log.Log.Debug("!!! Error releasing TSWriter filter (_filterTsWriter as IBaseFilter was null!)");
_filterTsWriter = null;
}
Log.Log.WriteFile(" free graph...");
if (_rotEntry != null)
{
_rotEntry.Dispose();
_rotEntry = null;
}
if (_capBuilder != null)
{
Release.ComObject("capture builder", _capBuilder);
_capBuilder = null;
}
if (_graphBuilder != null)
{
FilterGraphTools.RemoveAllFilters(_graphBuilder);
Release.ComObject("graph builder", _graphBuilder);
_graphBuilder = null;
}
Log.Log.WriteFile(" free devices...");
if (_deviceWinTvUsb != null)
{
DevicesInUse.Instance.Remove(_deviceWinTvUsb);
_deviceWinTvUsb = null;
}
if (_tunerDevice != null)
{
DevicesInUse.Instance.Remove(_tunerDevice);
_tunerDevice = null;
}
if (_captureDevice != null)
{
DevicesInUse.Instance.Remove(_captureDevice);
_captureDevice = null;
}
if (_tunerStatistics != null)
{
for (int i = 0; i < _tunerStatistics.Count; i++)
{
IBDA_SignalStatistics stat = _tunerStatistics[i];
while (Release.ComObject(stat) > 0)
;
}
_tunerStatistics.Clear();
}
Log.Log.WriteFile(" decompose done...");
_graphState = GraphState.Idle;
}
/// <summary>
/// Gets the video audio pins.
/// </summary>
protected void AddTsWriterFilterToGraph()
{
if (_filterTsWriter == null)
{
Log.Log.WriteFile("dvb: Add Mediaportal TsWriter filter");
_filterTsWriter = (IBaseFilter)new MpTsAnalyzer();
int hr = _graphBuilder.AddFilter(_filterTsWriter, "MediaPortal Ts Analyzer");
if (hr != 0)
{
Log.Log.Error("dvb: Add main Ts Analyzer returns:0x{0:X}", hr);
throw new TvException("Unable to add Ts Analyzer filter");
}
_interfaceChannelScan = (ITsChannelScan)_filterTsWriter;
_interfaceEpgGrabber = (ITsEpgScanner)_filterTsWriter;
_interfaceChannelLinkageScanner = (ITsChannelLinkageScanner)_filterTsWriter;
}
}
