/// <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>
/// Initializes a new instance of the <see cref="TvDvbChannel"/> class.
/// </summary>
/// <param name="graphBuilder">The graph builder.</param>
/// <param name="ca">The ca.</param>
/// <param name="mdplugs">The mdplugs class.</param>
/// <param name="tif">The tif filter.</param>
/// <param name="tsWriter">The ts writer filter.</param>
/// <param name="subChannelId">The subchannel id</param>
/// <param name="channel">The corresponding channel</param>
public TvDvbChannel(IFilterGraph2 graphBuilder, ConditionalAccess ca, MDPlugs mdplugs, IBaseFilter tif,
IBaseFilter tsWriter, int subChannelId, IChannel channel)
{
_cancelled = false;
_listenCA = false;
_eventPMT = new ManualResetEvent(false);
_eventCA = new ManualResetEvent(false);
_graphState = GraphState.Created;
_graphBuilder = graphBuilder;
_conditionalAccess = ca;
_mdplugs = mdplugs;
_filterTIF = tif;
_teletextDecoder = new DVBTeletext();
_packetHeader = new TSHelperTools.TSHeader();
_tsHelper = new TSHelperTools();
_channelInfo = new ChannelInfo();
_pmtPid = -1;
_subChannelIndex = -1;
_tsFilterInterface = (ITsFilter)tsWriter;
_tsFilterInterface.AddChannel(ref _subChannelIndex);
Log.Log.WriteFile("TvDvbChannel ctor new subchIndex:{0}", _subChannelIndex);
_subChannelId = subChannelId;
_conditionalAccess.AddSubChannel(_subChannelId, channel);
_timeshiftFileName = "";
_recordingFileName = "";
_pmtData = null;
_pmtLength = 0;
}
/// <summary>
/// Add MD Plugs
/// </summary>
/// <param name="lastFilter">Last Filter in the graph</param>
protected void AddMdPlugs(ref IBaseFilter lastFilter)
{
int hr = -1;
if (_cardType == CardType.DvbIP)
{
_mdplugs = MDPlugs.Create(Name, DevicePath);
}
else
{
DsDevice dv = _captureDevice ?? _tunerDevice;
string DisplayMoniker;
dv.Mon.GetDisplayName(null, null, out DisplayMoniker);
_mdplugs = MDPlugs.Create(dv.Name, DisplayMoniker);
}
if (_mdplugs != null)
{
_infTeeSecond = (IBaseFilter)new InfTee();
hr = _graphBuilder.AddFilter(_infTeeSecond, "Inf Tee Second");
if (hr != 0)
{
Log.Log.Error("dvb:Add second InfTee returns:0x{0:X}", hr);
throw new TvException("Unable to add second InfTee");
}
Log.Log.WriteFile("dvb: Render ...->[inftee] second ");
hr = _capBuilder.RenderStream(null, null, lastFilter, null, _infTeeSecond);
if (hr != 0)
{
Log.Log.Error("dvb:Unable to connect InfTee second returns:0x{0:X}", hr);
throw new TvExceptionGraphBuildingFailed("Could not connect InfTee second Filter to last Filter");
}
lastFilter = _infTeeSecond;
_mdplugs.Connectmdapifilter(_graphBuilder, ref lastFilter);
}
}
/// <summary>
/// MDPlugs public static Creator to test condition before create an instance
/// </summary>
public static MDPlugs Create(string deviceName, string devicePath)
{
string CardFolder;
int InstanceNumber;
if (IsMDApiEnabled(deviceName, devicePath, out CardFolder, out InstanceNumber))
{
Log.Log.Info("mdplugs: Create - IsMDApiEnabled for {0} - {1}", CardFolder, InstanceNumber);
MDPlugs ret = new MDPlugs(CardFolder, InstanceNumber);
return ret;
}
return null;
}
