/// <summary>
/// Disposes the capture component
/// </summary>
public void Dispose()
{
if (_pinVBI != null)
{
Release.ComObject("vbipin filter", _pinVBI);
_pinVBI = null;
}
if (_filterAudioCapture != null && _filterVideoCapture != _filterAudioCapture)
{
Release.ComObject("audio capture filter", _filterAudioCapture);
}
if (_filterVideoCapture != null)
{
Release.ComObject("video capture filter", _filterVideoCapture);
_filterVideoCapture = null;
_analogVideoDecoder = null;
}
_filterAudioCapture = null;
if (_audioCaptureDevice != null && _audioCaptureDevice != _videoCaptureDevice)
{
DevicesInUse.Instance.Remove(_audioCaptureDevice);
}
if (_videoCaptureDevice != null)
{
DevicesInUse.Instance.Remove(_videoCaptureDevice);
_videoCaptureDevice = null;
}
_audioCaptureDevice = null;
}
/// <summary>
/// Disposes the crossbar component
/// </summary>
public void Dispose()
{
if (_audioTunerIn != null)
{
Release.ComObject("_audioTunerIn", _audioTunerIn);
}
if (_videoOut != null)
{
Release.ComObject("_videoOut", _videoOut);
}
if (_audioOut != null)
{
Release.ComObject("_audioOut", _audioOut);
}
if (_filterCrossBar != null)
{
Release.ComObject("crossbar filter", _filterCrossBar);
_filterCrossBar = null;
}
if (_crossBarDevice != null)
{
DevicesInUse.Instance.Remove(_crossBarDevice);
_crossBarDevice = null;
}
}
/// <summary>
/// adds the TsFileSink filter to the graph
/// </summary>
/// <returns></returns>
private bool AddTsFileSink()
{
if (!CheckThreadId())
{
return(false);
}
Log.Log.WriteFile("analog:AddTsFileSink");
_tsFileSink = (IBaseFilter) new MpFileWriter();
int hr = _graphBuilder.AddFilter(_tsFileSink, "TsFileSink");
if (hr != 0)
{
Log.Log.WriteFile("analog:AddTsFileSink returns:0x{0:X}", hr);
throw new TvException("Unable to add TsFileSink");
}
Log.Log.WriteFile("analog:connect muxer->tsfilesink");
IPin pin = DsFindPin.ByDirection(_encoder.MultiplexerFilter, PinDirection.Output, 0);
if (!FilterGraphTools.ConnectPin(_graphBuilder, pin, _tsFileSink, 0))
{
Log.Log.WriteFile("analog:unable to connect muxer->tsfilesink");
throw new TvException("Unable to connect pins");
}
Release.ComObject("mpegmux pinin", pin);
if (_capture.SupportsTeletext)
{
Log.Log.WriteFile("analog:connect wst/vbi codec->tsfilesink");
if (!FilterGraphTools.ConnectPin(_graphBuilder, _teletext.WST_VBI_Pin, _tsFileSink, 1))
{
Log.Log.WriteFile("analog:unable to connect wst/vbi->tsfilesink");
throw new TvException("Unable to connect pins");
}
}
return(true);
}
/// <summary>
/// Dispose resources
/// </summary>
public override void Dispose()
{
base.Dispose();
if (_filterStreamSource != null)
{
Release.ComObject("_filterStreamSource filter", _filterStreamSource);
_filterStreamSource = null;
}
}
/// <summary>
/// RemoveStreamSourceFilter
/// </summary>
protected override void RemoveStreamSourceFilter()
{
if (_filterStreamSource != null)
{
_graphBuilder.RemoveFilter(_filterStreamSource);
Release.ComObject("MediaPortal IPTV Source Filter", _filterStreamSource);
_filterStreamSource = null;
}
}
/// <summary>
/// RemoveStreamSourceFilter
/// </summary>
protected override void RemoveStreamSourceFilter()
{
if (_filterStreamSource != null)
{
_graphBuilder.RemoveFilter(_filterStreamSource);
Release.ComObject("Elecard NWSource-Plus", _filterStreamSource);
_filterStreamSource = null;
}
}
private static bool ConnectFilter(IFilterGraph2 graphBuilder, IBaseFilter networkFilter, IBaseFilter tunerFilter)
{
IPin pinOut = DsFindPin.ByDirection(networkFilter, PinDirection.Output, 0);
IPin pinIn = DsFindPin.ByDirection(tunerFilter, PinDirection.Input, 0);
int hr = graphBuilder.Connect(pinOut, pinIn);
Release.ComObject(pinOut);
Release.ComObject(pinIn);
return(hr == 0);
}
protected void Decompose()
{
base.Decompose();
if (_pbdaFilter != null)
{
Release.ComObject(_pbdaFilter);
_pbdaFilter = null;
}
_bdaCa = null;
}
/// <summary>
/// Finds the VBI pin on the video capture device.
/// If it existst the pin is stored in _pinVBI
/// </summary>
/// <param name="graph">The stored graph</param>
private void FindVBIPin(Graph graph)
{
Log.Log.WriteFile("analog: FindVBIPin on VideoCapture");
int pinIndex;
try
{
IPin pinVBI = FilterGraphTools.GetPinByCategoryAndDirection(_filterVideoCapture, PinCategory.VideoPortVBI, 0,
PinDirection.Output, out pinIndex);
if (pinVBI != null)
{
Log.Log.WriteFile("analog: VideoPortVBI pin found");
Release.ComObject(pinVBI);
return;
}
pinVBI = FilterGraphTools.GetPinByCategoryAndDirection(_filterVideoCapture, PinCategory.VBI, 0,
PinDirection.Output, out pinIndex);
if (pinVBI != null)
{
Log.Log.WriteFile("analog: VBI pin found");
graph.Capture.TeletextPin = pinIndex;
_pinVBI = pinVBI;
return;
}
}
catch (COMException ex)
{
if (ex.ErrorCode.Equals(unchecked ((Int32)0x80070490)))
{
// pin on a NVTV capture filter is named VBI..
Log.Log.WriteFile("analog: getCategory not supported by collection ? ERROR:0x{0:x} :" + ex.Message,
ex.ErrorCode);
if (_filterVideoCapture == null)
{
return;
}
Log.Log.WriteFile("analog: find VBI pin by name");
IPin pinVBI = FilterGraphTools.GetPinByName(_filterVideoCapture, "VBI", PinDirection.Output, out pinIndex);
if (pinVBI != null)
{
Log.Log.WriteFile("analog: pin named VBI found");
graph.Capture.TeletextPin = pinIndex;
_pinVBI = pinVBI;
return;
}
}
Log.Log.WriteFile("analog: Error in searching vbi pin - Skipping error");
}
Log.Log.WriteFile("analog: FindVBIPin on VideoCapture no vbi pin found");
}
/// <summary>
/// Diposes the tuner component
/// </summary>
public void Dispose()
{
_tuner = null;
if (_audioPin != null)
{
Release.ComObject("_audioPin", _audioPin);
}
if (_filterTvTuner != null)
{
while (Release.ComObject(_filterTvTuner) > 0)
{
}
_filterTvTuner = null;
}
DevicesInUse.Instance.Remove(_tunerDevice);
}
/// <summary>
/// Disposes the teletext component
/// </summary>
public void Dispose()
{
if (_filterWstDecoder != null)
{
Release.ComObject("wst codec filter", _filterWstDecoder);
_filterWstDecoder = null;
}
if (_teeSink != null)
{
Release.ComObject("teesink filter", _teeSink);
_teeSink = null;
}
if (_pinWST_VBI != null)
{
Release.ComObject("wst/vbi codec pinout", _pinWST_VBI);
_pinWST_VBI = null;
}
}
/// <summary>
/// Disposes the TvAudio component
/// </summary>
public void Dispose()
{
if (mode == TvAudioVariant.Normal)
{
if (_filterTvAudioTuner != null)
{
while (Release.ComObject(_filterTvAudioTuner) > 0)
{
}
_filterTvAudioTuner = null;
}
if (_audioDevice != null)
{
DevicesInUse.Instance.Remove(_audioDevice);
_audioDevice = null;
}
}
}
public void Stop()
{
_videoWin.put_Visible(OABool.False);
_mediaCtrl.Stop();
if (_pinAudio != null)
{
Release.ComObject(_pinAudio);
_pinAudio = null;
}
if (_pinVideo != null)
{
Release.ComObject(_pinVideo);
_pinVideo = null;
}
if (_mpegDemux != null)
{
Release.ComObject(_mpegDemux);
_mpegDemux = null;
}
if (_tsFileSource != null)
{
Release.ComObject(_tsFileSource);
_tsFileSource = null;
}
if (_rotEntry != null)
{
_rotEntry.Dispose();
_rotEntry = null;
}
if (_graphBuilder != null)
{
Release.ComObject(_graphBuilder);
_graphBuilder = null;
}
}
public void Stop()
{
if (_videoWin != null)
{
_videoWin.put_Visible(OABool.False);
}
if (_mediaCtrl != null)
{
_mediaCtrl.Stop();
}
if (_pinAudio != null)
{
Release.ComObject(_pinAudio);
_pinAudio = null;
}
if (_pinVideo != null)
{
Release.ComObject(_pinVideo);
_pinVideo = null;
}
if (_tsReader != null)
{
Release.ComObject(_tsReader);
_tsReader = null;
}
if (_rotEntry != null)
{
_rotEntry.Dispose();
_rotEntry = null;
}
if (_graphBuilder != null)
{
Release.ComObject(_graphBuilder);
_graphBuilder = null;
}
}
private void AddTsWriterFilterToGraph()
{
if (_filterTsWriter == null)
{
Log.Log.WriteFile("HDPVR: Add Mediaportal TsWriter filter");
_filterTsWriter = (IBaseFilter) new MpTsAnalyzer();
int hr = _graphBuilder.AddFilter(_filterTsWriter, "MediaPortal Ts Analyzer");
if (hr != 0)
{
Log.Log.Error("HDPVR: Add main Ts Analyzer returns:0x{0:X}", hr);
throw new TvException("Unable to add Ts Analyzer filter");
}
IPin pinOut = DsFindPin.ByDirection(_filterEncoder, PinDirection.Output, 0);
if (pinOut == null)
{
Log.Log.Error("HDPVR: Unable to find output pin on the encoder filter");
throw new TvException("unable to find output pin on the encoder filter");
}
IPin pinIn = DsFindPin.ByDirection(_filterTsWriter, PinDirection.Input, 0);
if (pinIn == null)
{
Log.Log.Error("HDPVR: Unable to find the input pin on ts analyzer filter");
throw new TvException("Unable to find the input pin on ts analyzer filter");
}
//Log.Log.Info("HDPVR: Render [Encoder]->[TsWriter]");
hr = _graphBuilder.Connect(pinOut, pinIn);
Release.ComObject("pinTsWriterIn", pinIn);
Release.ComObject("pinEncoderOut", pinOut);
if (hr != 0)
{
Log.Log.Error("HDPVR: Unable to connect encoder to ts analyzer filter :0x{0:X}", hr);
throw new TvException("unable to connect encoder to ts analyzer filter");
}
Log.Log.WriteFile("HDPVR: AddTsWriterFilterToGraph connected to encoder successfully");
}
}
/// <summary>
/// Connects the SS2 filter to the infTee
/// </summary>
private void ConnectInfTeeToSS2(out IBaseFilter lastFilter)
{
Log.Log.WriteFile("dvb:add Inf Tee filter");
_infTeeMain = (IBaseFilter) new InfTee();
int hr = _graphBuilder.AddFilter(_infTeeMain, "Inf Tee");
if (hr != 0)
{
Log.Log.Error("dvb:Add main InfTee returns:0x{0:X}", hr);
throw new TvException("Unable to add mainInfTee");
}
Log.Log.WriteFile("ss2:ConnectMainTee()");
IPin pinOut = DsFindPin.ByDirection(_filterB2C2Adapter, PinDirection.Output, 2);
IPin pinIn = DsFindPin.ByDirection(_infTeeMain, PinDirection.Input, 0);
if (pinOut == null)
{
Log.Log.Error("ss2:unable to find pin 2 of b2c2adapter");
throw new TvException("unable to find pin 2 of b2c2adapter");
}
if (pinIn == null)
{
Log.Log.Error("ss2:unable to find pin 0 of _infTeeMain");
throw new TvException("unable to find pin 0 of _infTeeMain");
}
hr = _graphBuilder.Connect(pinOut, pinIn);
Release.ComObject("b2c2pin2", pinOut);
Release.ComObject("mpeg2demux pinin", pinIn);
if (hr != 0)
{
Log.Log.Error("ss2:unable to connect b2c2->_infTeeMain");
throw new TvException("unable to connect b2c2->_infTeeMain");
}
lastFilter = _infTeeMain;
}
/// <summary>
/// Disposes this instance.
/// </summary>
public override void Dispose()
{
if (_graphBuilder == null)
{
return;
}
if (!CheckThreadId())
{
return;
}
base.Dispose();
Log.Log.WriteFile("ss2:Decompose");
_interfaceB2C2DataCtrl = null;
_interfaceB2C2TunerCtrl = null;
if (_filterB2C2Adapter != null)
{
Release.ComObject("tuner filter", _filterB2C2Adapter);
_filterB2C2Adapter = null;
}
}
/// <summary>
/// Clean up, dispose, release.
/// </summary>
public void Dispose()
{
Stop();
if (_rwsTuner != null)
{
_rwsTuner.Dispose();
_rwsTuner = null;
}
if (_rotEntry != null)
{
_rotEntry.Dispose();
}
if (_graphBuilder != null)
{
FilterGraphTools.RemoveAllFilters(_graphBuilder);
Release.ComObject("device detection graph builder", _graphBuilder);
}
Release.ComObject("device detection ATSC network provider", _atscNp);
Release.ComObject("device detection DVB-C network provider", _dvbcNp);
Release.ComObject("device detection DVB-S network provider", _dvbsNp);
Release.ComObject("device detection DVB-T network provider", _dvbtNp);
Release.ComObject("device detection MediaPortal network provider", _mpNp);
}
public bool Play(string fileName, Form form)
{
fileName += ".tsbuffer";
Log.WriteFile("play:{0}", fileName);
_graphBuilder = (IFilterGraph2) new FilterGraph();
_rotEntry = new DsROTEntry(_graphBuilder);
Log.WriteFile("add tsfilesource");
_tsFileSource = new TsFileSource();
_graphBuilder.AddFilter((IBaseFilter)_tsFileSource, "TsFileSource");
#region add mpeg-2 demux filter
Log.WriteFile("add mpeg-2 demux");
MPEG2Demultiplexer demux = new MPEG2Demultiplexer();
_mpegDemux = (IBaseFilter)demux;
int hr = _graphBuilder.AddFilter(_mpegDemux, "MPEG-2 Demultiplexer");
#endregion
#region create mpeg2 demux pins
Log.WriteFile("create mpeg-2 demux pins");
//create mpeg-2 demux output pins
IMpeg2Demultiplexer demuxer = _mpegDemux as IMpeg2Demultiplexer;
if (demuxer != null)
{
hr = demuxer.CreateOutputPin(GetAudioMpg2Media(), "Audio", out _pinAudio);
}
if (hr != 0)
{
Log.WriteFile("unable to create audio pin");
return(false);
}
if (demuxer != null)
{
hr = demuxer.CreateOutputPin(GetVideoMpg2Media(), "Video", out _pinVideo);
}
if (hr != 0)
{
Log.WriteFile("unable to create video pin");
return(false);
}
#endregion
#region load file in tsfilesource
Log.WriteFile("load file in tsfilesource");
IFileSourceFilter interfaceFile = (IFileSourceFilter)_tsFileSource;
if (interfaceFile == null)
{
Log.WriteFile("TSStreamBufferPlayer9:Failed to get IFileSourceFilter");
return(false);
}
AMMediaType mpeg2ProgramStream = new AMMediaType();
mpeg2ProgramStream.majorType = MediaType.Stream;
mpeg2ProgramStream.subType = MediaSubType.Mpeg2Program;
mpeg2ProgramStream.unkPtr = IntPtr.Zero;
mpeg2ProgramStream.sampleSize = 0;
mpeg2ProgramStream.temporalCompression = false;
mpeg2ProgramStream.fixedSizeSamples = true;
mpeg2ProgramStream.formatType = FormatType.None;
mpeg2ProgramStream.formatSize = 0;
mpeg2ProgramStream.formatPtr = IntPtr.Zero;
hr = interfaceFile.Load(fileName, mpeg2ProgramStream);
if (hr != 0)
{
Log.WriteFile("TSStreamBufferPlayer9:Failed to load file");
return(false);
}
#region connect tsfilesource->demux
Log.WriteFile("connect tsfilesource->demux");
Log.WriteFile("TSStreamBufferPlayer9:connect tsfilesource->mpeg2 demux");
IPin pinTsOut = DsFindPin.ByDirection((IBaseFilter)_tsFileSource, PinDirection.Output, 0);
if (pinTsOut == null)
{
Log.WriteFile("TSStreamBufferPlayer9:failed to find output pin of tsfilesource");
return(false);
}
IPin pinDemuxIn = DsFindPin.ByDirection(_mpegDemux, PinDirection.Input, 0);
if (pinDemuxIn == null)
{
Log.WriteFile("TSStreamBufferPlayer9:failed to find output pin of tsfilesource");
return(false);
}
hr = _graphBuilder.Connect(pinTsOut, pinDemuxIn);
if (hr != 0)
{
Log.WriteFile("TSStreamBufferPlayer9:failed to connect tsfilesource->mpeg2 demux:{0:X}", hr);
return(false);
}
Release.ComObject(pinTsOut);
Release.ComObject(pinDemuxIn);
#endregion
#region map demux pids
Log.WriteFile("map mpeg2 pids");
IMPEG2StreamIdMap pStreamId = (IMPEG2StreamIdMap)_pinVideo;
hr = pStreamId.MapStreamId(0xe0, MPEG2Program.ElementaryStream, 0, 0);
if (hr != 0)
{
Log.WriteFile("TSStreamBufferPlayer9: failed to map pid 0xe0->video pin");
return(false);
}
pStreamId = (IMPEG2StreamIdMap)_pinAudio;
hr = pStreamId.MapStreamId(0xc0, MPEG2Program.ElementaryStream, 0, 0);
if (hr != 0)
{
Log.WriteFile("TSStreamBufferPlayer9: failed to map pid 0xc0->audio pin");
return(false);
}
#endregion
#region render demux audio/video pins
Log.WriteFile("render pins");
hr = _graphBuilder.Render(_pinAudio);
if (hr != 0)
{
Log.WriteFile("TSStreamBufferPlayer9:failed to render video output pin:{0:X}", hr);
}
hr = _graphBuilder.Render(_pinVideo);
if (hr != 0)
{
Log.WriteFile("TSStreamBufferPlayer9:failed to render audio output pin:{0:X}", hr);
}
#endregion
#endregion
_videoWin = _graphBuilder as IVideoWindow;
if (_videoWin != null)
{
_videoWin.put_Visible(OABool.True);
_videoWin.put_Owner(form.Handle);
_videoWin.put_WindowStyle(
(WindowStyle)((int)WindowStyle.Child + (int)WindowStyle.ClipSiblings + (int)WindowStyle.ClipChildren));
_videoWin.put_MessageDrain(form.Handle);
_videoWin.SetWindowPosition(190, 250, 150, 150);
}
Log.WriteFile("run graph");
_mediaCtrl = (IMediaControl)_graphBuilder;
hr = _mediaCtrl.Run();
Log.WriteFile("TSStreamBufferPlayer9:running:{0:X}", hr);
return(true);
}
/// <summary>
/// Builds the graph.
/// </summary>
public override void BuildGraph()
{
try
{
Log.Log.WriteFile("ss2: build graph");
if (_graphState != GraphState.Idle)
{
Log.Log.Error("ss2: Graph already built");
throw new TvException("Graph already built");
}
DevicesInUse.Instance.Add(_tunerDevice);
_managedThreadId = System.Threading.Thread.CurrentThread.ManagedThreadId;
_graphBuilder = (IFilterGraph2) new FilterGraph();
_rotEntry = new DsROTEntry(_graphBuilder);
_capBuilder = (ICaptureGraphBuilder2) new CaptureGraphBuilder2();
_capBuilder.SetFiltergraph(_graphBuilder);
//=========================================================================================================
// add the skystar 2 specific filters
//=========================================================================================================
Log.Log.WriteFile("ss2:CreateGraph() create B2C2 adapter");
_filterB2C2Adapter =
(IBaseFilter)Activator.CreateInstance(Type.GetTypeFromCLSID(DVBSkyStar2Helper.CLSID_B2C2Adapter, false));
if (_filterB2C2Adapter == null)
{
Log.Log.Error("ss2:creategraph() _filterB2C2Adapter not found");
DevicesInUse.Instance.Remove(_tunerDevice);
return;
}
Log.Log.WriteFile("ss2:creategraph() add filters to graph");
int hr = _graphBuilder.AddFilter(_filterB2C2Adapter, "B2C2-Source");
if (hr != 0)
{
Log.Log.Error("ss2: FAILED to add B2C2-Adapter");
DevicesInUse.Instance.Remove(_tunerDevice);
return;
}
// get interfaces
_interfaceB2C2DataCtrl = _filterB2C2Adapter as DVBSkyStar2Helper.IB2C2MPEG2DataCtrl3;
if (_interfaceB2C2DataCtrl == null)
{
Log.Log.Error("ss2: cannot get IB2C2MPEG2DataCtrl3");
DevicesInUse.Instance.Remove(_tunerDevice);
return;
}
_interfaceB2C2TunerCtrl = _filterB2C2Adapter as DVBSkyStar2Helper.IB2C2MPEG2TunerCtrl2;
if (_interfaceB2C2TunerCtrl == null)
{
Log.Log.Error("ss2: cannot get IB2C2MPEG2TunerCtrl3");
DevicesInUse.Instance.Remove(_tunerDevice);
return;
}
//=========================================================================================================
// initialize skystar 2 tuner
//=========================================================================================================
Log.Log.WriteFile("ss2: Initialize Tuner()");
hr = _interfaceB2C2TunerCtrl.Initialize();
if (hr != 0)
{
//System.Diagnostics.Debugger.Launch();
Log.Log.Error("ss2: Tuner initialize failed:0x{0:X}", hr);
// if the skystar2 card is detected as analogue, it needs a device reset
((IMediaControl)_graphBuilder).Stop();
FreeAllSubChannels();
FilterGraphTools.RemoveAllFilters(_graphBuilder);
if (_graphBuilder != null)
{
Release.ComObject("graph builder", _graphBuilder);
_graphBuilder = null;
}
if (_capBuilder != null)
{
Release.ComObject("capBuilder", _capBuilder);
_capBuilder = null;
}
DevicesInUse.Instance.Remove(_tunerDevice);
/*
* if (initResetTries == 0)
* {
* Log.Log.Error("ss2: resetting driver");
* HardwareHelperLib.HH_Lib hwHelper = new HardwareHelperLib.HH_Lib();
* string[] deviceDriverName = new string[1];
* deviceDriverName[0] = DEVICE_DRIVER_NAME;
* hwHelper.SetDeviceState(deviceDriverName, false);
* hwHelper.SetDeviceState(deviceDriverName, true);
* initResetTries++;
*
* BuildGraph();
* }
* else
* {
* Log.Log.Error("ss2: resetting driver did not help");
* CardPresent = false;
* }
*/
CardPresent = false;
return;
}
// call checklock once, the return value dont matter
_interfaceB2C2TunerCtrl.CheckLock();
AddTsWriterFilterToGraph();
IBaseFilter lastFilter;
ConnectInfTeeToSS2(out lastFilter);
AddMdPlugs(ref lastFilter);
if (!ConnectTsWriter(lastFilter))
{
throw new TvExceptionGraphBuildingFailed("Graph building failed");
}
SendHwPids(new List <ushort>());
_graphState = GraphState.Created;
}
catch (Exception ex)
{
Log.Log.Write(ex);
Dispose();
_graphState = GraphState.Idle;
throw new TvExceptionGraphBuildingFailed("Graph building failed", ex);
}
}
private void GetTunerCapabilities()
{
Log.Log.WriteFile("ss2: GetTunerCapabilities");
_graphBuilder = (IFilterGraph2) new FilterGraph();
_rotEntry = new DsROTEntry(_graphBuilder);
_capBuilder = (ICaptureGraphBuilder2) new CaptureGraphBuilder2();
_capBuilder.SetFiltergraph(_graphBuilder);
//=========================================================================================================
// add the skystar 2 specific filters
//=========================================================================================================
Log.Log.WriteFile("ss2:GetTunerCapabilities() create B2C2 adapter");
_filterB2C2Adapter =
(IBaseFilter)Activator.CreateInstance(Type.GetTypeFromCLSID(DVBSkyStar2Helper.CLSID_B2C2Adapter, false));
if (_filterB2C2Adapter == null)
{
Log.Log.Error("ss2:GetTunerCapabilities() _filterB2C2Adapter not found");
return;
}
_interfaceB2C2TunerCtrl = _filterB2C2Adapter as DVBSkyStar2Helper.IB2C2MPEG2TunerCtrl2;
if (_interfaceB2C2TunerCtrl == null)
{
Log.Log.Error("ss2: cannot get IB2C2MPEG2TunerCtrl3");
return;
}
//=========================================================================================================
// initialize skystar 2 tuner
//=========================================================================================================
/* Not necessary for query-only application
*
* Log.Log.WriteFile("ss2: Initialize Tuner()");
* hr = _interfaceB2C2TunerCtrl.Initialize();
* if (hr != 0)
* {
* Log.Log.Error("ss2: Tuner initialize failed:0x{0:X}", hr);
* //return;
* }*/
//=========================================================================================================
// Get tuner type (DVBS, DVBC, DVBT, ATSC)
//=========================================================================================================
int lTunerCapSize = Marshal.SizeOf(typeof(tTunerCapabilities));
IntPtr ptCaps = Marshal.AllocHGlobal(lTunerCapSize);
int hr = _interfaceB2C2TunerCtrl.GetTunerCapabilities(ptCaps, ref lTunerCapSize);
if (hr != 0)
{
Log.Log.Error("ss2: Tuner Type failed:0x{0:X}", hr);
return;
}
tTunerCapabilities tc = (tTunerCapabilities)Marshal.PtrToStructure(ptCaps, typeof(tTunerCapabilities));
switch (tc.eModulation)
{
case TunerType.ttSat:
Log.Log.WriteFile("ss2: Card type = DVBS");
_cardType = CardType.DvbS;
break;
case TunerType.ttCable:
Log.Log.WriteFile("ss2: Card type = DVBC");
_cardType = CardType.DvbC;
break;
case TunerType.ttTerrestrial:
Log.Log.WriteFile("ss2: Card type = DVBT");
_cardType = CardType.DvbT;
break;
case TunerType.ttATSC:
Log.Log.WriteFile("ss2: Card type = ATSC");
_cardType = CardType.Atsc;
break;
case TunerType.ttUnknown:
Log.Log.WriteFile("ss2: Card type = unknown?");
_cardType = CardType.DvbS;
break;
}
Marshal.FreeHGlobal(ptCaps);
// Release all used object
if (_filterB2C2Adapter != null)
{
Release.ComObject("tuner filter", _filterB2C2Adapter);
_filterB2C2Adapter = null;
}
_rotEntry.Dispose();
if (_capBuilder != null)
{
Release.ComObject("capture builder", _capBuilder);
_capBuilder = null;
}
if (_graphBuilder != null)
{
Release.ComObject("graph builder", _graphBuilder);
_graphBuilder = null;
}
}
/// <summary>
/// Creates the tuning space.
/// </summary>
protected void CreateTuningSpace()
{
Log.Log.WriteFile("dvbs:CreateTuningSpace()");
ITuner tuner = (ITuner)_filterNetworkProvider;
SystemTuningSpaces systemTuningSpaces = new SystemTuningSpaces();
ITuningSpaceContainer container = systemTuningSpaces as ITuningSpaceContainer;
if (container == null)
{
Log.Log.Error("CreateTuningSpace() Failed to get ITuningSpaceContainer");
return;
}
IEnumTuningSpaces enumTuning;
ITuningSpace[] spaces = new ITuningSpace[2];
int lowOsc;
int hiOsc;
int lnbSwitch;
if (_parameters.UseDefaultLnbFrequencies)
{
lowOsc = 9750;
hiOsc = 10600;
lnbSwitch = 11700;
}
else
{
lowOsc = _parameters.LnbLowFrequency;
hiOsc = _parameters.LnbHighFrequency;
lnbSwitch = _parameters.LnbSwitchFrequency;
}
ITuneRequest request;
container.get_EnumTuningSpaces(out enumTuning);
IDVBSTuningSpace tuningSpace;
while (true)
{
int fetched;
enumTuning.Next(1, spaces, out fetched);
if (fetched != 1)
{
break;
}
string name;
spaces[0].get_UniqueName(out name);
if (name == "MediaPortal DVBS TuningSpace")
{
Log.Log.WriteFile("dvbs:found correct tuningspace {0}", name);
_tuningSpace = (IDVBSTuningSpace)spaces[0];
tuningSpace = (IDVBSTuningSpace)_tuningSpace;
tuningSpace.put_LNBSwitch(lnbSwitch * 1000);
tuningSpace.put_SpectralInversion(SpectralInversion.Automatic);
tuningSpace.put_LowOscillator(lowOsc * 1000);
tuningSpace.put_HighOscillator(hiOsc * 1000);
tuner.put_TuningSpace(tuningSpace);
tuningSpace.CreateTuneRequest(out request);
_tuneRequest = (IDVBTuneRequest)request;
return;
}
Release.ComObject("ITuningSpace", spaces[0]);
}
Release.ComObject("IEnumTuningSpaces", enumTuning);
Log.Log.WriteFile("dvbs:Create new tuningspace");
_tuningSpace = (IDVBSTuningSpace) new DVBSTuningSpace();
tuningSpace = (IDVBSTuningSpace)_tuningSpace;
tuningSpace.put_UniqueName("MediaPortal DVBS TuningSpace");
tuningSpace.put_FriendlyName("MediaPortal DVBS TuningSpace");
tuningSpace.put__NetworkType(typeof(DVBSNetworkProvider).GUID);
tuningSpace.put_SystemType(DVBSystemType.Satellite);
tuningSpace.put_LNBSwitch(lnbSwitch * 1000);
tuningSpace.put_LowOscillator(lowOsc * 1000);
tuningSpace.put_HighOscillator(hiOsc * 1000);
IDVBSLocator locator = (IDVBSLocator) new DVBSLocator();
locator.put_CarrierFrequency(-1);
locator.put_InnerFEC(FECMethod.MethodNotSet);
locator.put_InnerFECRate(BinaryConvolutionCodeRate.RateNotSet);
locator.put_Modulation(ModulationType.ModNotSet);
locator.put_OuterFEC(FECMethod.MethodNotSet);
locator.put_OuterFECRate(BinaryConvolutionCodeRate.RateNotSet);
locator.put_SymbolRate(-1);
object newIndex;
_tuningSpace.put_DefaultLocator(locator);
container.Add(_tuningSpace, out newIndex);
tuner.put_TuningSpace(_tuningSpace);
Release.ComObject("TuningSpaceContainer", container);
_tuningSpace.CreateTuneRequest(out request);
_tuneRequest = (IDVBTuneRequest)request;
}
/// <summary>
/// Creates the filter by trying to detect it
/// </summary>
/// <param name="crossbar">The crossbar componen</param>
/// <param name="tuner">The tuner component</param>
/// <param name="graph">The stored graph</param>
/// <param name="graphBuilder">The graphBuilder</param>
/// <returns>true, if the graph building was successful</returns>
private bool CreateAutomaticFilterInstance(Graph graph, Tuner tuner, Crossbar crossbar, IFilterGraph2 graphBuilder)
{
//get all tv audio tuner devices on this system
DsDevice[] devices = null;
try
{
devices = DsDevice.GetDevicesOfCat(FilterCategory.AMKSTVAudio);
devices = DeviceSorter.Sort(devices, tuner.TunerName, crossbar.CrossBarName);
}
catch (Exception)
{
Log.Log.WriteFile("analog: AddTvAudioFilter no tv audio devices found - Trying TvTuner filter");
}
if (devices != null && devices.Length > 0)
{
// try each tv audio tuner
for (int i = 0; i < devices.Length; i++)
{
IBaseFilter tmp;
Log.Log.WriteFile("analog: AddTvAudioFilter try:{0} {1}", devices[i].Name, i);
//if tv audio tuner is currently in use we can skip it
if (DevicesInUse.Instance.IsUsed(devices[i]))
{
continue;
}
int hr;
try
{
//add tv audio tuner to graph
hr = graphBuilder.AddSourceFilterForMoniker(devices[i].Mon, null, devices[i].Name, out tmp);
}
catch (Exception)
{
Log.Log.WriteFile("analog: cannot add filter to graph");
continue;
}
if (hr != 0)
{
//failed to add tv audio tuner to graph, continue with the next one
if (tmp != null)
{
graphBuilder.RemoveFilter(tmp);
Release.ComObject("tvAudioFilter filter", tmp);
}
continue;
}
// try connecting the tv tuner-> tv audio tuner
if (FilterGraphTools.ConnectPin(graphBuilder, tuner.AudioPin, tmp, 0))
{
// Got it !
// Connect tv audio tuner to the crossbar
IPin pin = DsFindPin.ByDirection(tmp, PinDirection.Output, 0);
hr = graphBuilder.Connect(pin, crossbar.AudioTunerIn);
if (hr < 0)
{
//failed
graphBuilder.RemoveFilter(tmp);
Release.ComObject("audiotuner pinin", pin);
Release.ComObject("audiotuner filter", tmp);
}
else
{
//succeeded. we're done
Log.Log.WriteFile("analog: AddTvAudioFilter succeeded:{0}", devices[i].Name);
Release.ComObject("audiotuner pinin", pin);
_filterTvAudioTuner = tmp;
_audioDevice = devices[i];
DevicesInUse.Instance.Add(_audioDevice);
_tvAudioTunerInterface = tuner.Filter as IAMTVAudio;
break;
}
}
else
{
// cannot connect tv tuner-> tv audio tuner, try next one...
graphBuilder.RemoveFilter(tmp);
Release.ComObject("audiotuner filter", tmp);
}
}
}
if (_filterTvAudioTuner == null)
{
Log.Log.WriteFile("analog: AddTvAudioFilter no tv audio devices found - Trying TvTuner filter");
int hr = graphBuilder.Connect(tuner.AudioPin, crossbar.AudioTunerIn);
if (hr != 0)
{
Log.Log.Error("analog: unable to add TvAudioTuner to graph - even TvTuner as TvAudio fails");
mode = TvAudioVariant.Unavailable;
}
else
{
Log.Log.WriteFile("analog: AddTvAudioFilter connected TvTuner with Crossbar directly succeeded!");
mode = TvAudioVariant.TvTunerConnection;
_tvAudioTunerInterface = tuner.Filter as IAMTVAudio;
if (_tvAudioTunerInterface != null)
{
Log.Log.WriteFile("analog: AddTvAudioFilter succeeded - TvTuner is also TvAudio");
_filterTvAudioTuner = tuner.Filter;
mode = TvAudioVariant.TvTuner;
}
}
graph.TvAudio.Mode = mode;
}
else
{
mode = TvAudioVariant.Normal;
graph.TvAudio.Name = _audioDevice.Name;
}
if (mode != TvAudioVariant.Unavailable && mode != TvAudioVariant.TvTunerConnection &&
_tvAudioTunerInterface != null)
{
CheckCapabilities(graph);
}
return(true);
}
private void DetectSupportedBdaSourceDevices(ref HashSet <string> previouslyKnownDevices, ref HashSet <string> knownDevices)
{
Log.Log.Debug("Detect BDA source devices");
// MS generic, MCE 2005 roll-up 2 or better
bool isMsGenericNpAvailable = FilterGraphTools.IsThisComObjectInstalled(typeof(NetworkProvider).GUID);
DsDevice[] connectedDevices = DsDevice.GetDevicesOfCat(FilterCategory.BDASourceFiltersCategory);
foreach (DsDevice connectedDevice in connectedDevices)
{
string name = connectedDevice.Name;
string devicePath = connectedDevice.DevicePath;
if (string.IsNullOrEmpty(name) || string.IsNullOrEmpty(devicePath))
{
continue;
}
if (previouslyKnownDevices.Contains(devicePath))
{
knownDevices.Add(devicePath);
continue;
}
// North American CableCARD tuners [PBDA].
if (name.StartsWith("HDHomeRun Prime") || name.StartsWith("Ceton InfiniTV"))
{
Log.Log.Info("Detected new PBDA CableCARD tuner device {0} {1}", name, devicePath);
TunerPbdaCableCard cableCardTuner = new TunerPbdaCableCard(connectedDevice);
knownDevices.Add(devicePath);
_deviceEventListener.OnDeviceAdded(cableCardTuner);
continue;
}
IBaseFilter tmpDeviceFilter;
try
{
_graphBuilder.AddSourceFilterForMoniker(connectedDevice.Mon, null, name, out tmpDeviceFilter);
}
catch (Exception ex)
{
Log.Log.Error("Failed to add filter to detect device type for {0}!\r\n{1}", name, ex);
continue;
}
try
{
// Silicondust regular (non-CableCARD) HDHomeRun. Workaround for tuner type
// detection issue. The MS generic provider would always detect DVB-T.
bool isCablePreferred = false;
if (name.StartsWith("Silicondust HDHomeRun Tuner"))
{
isCablePreferred = GetHdHomeRunSourceType(name).Equals("Digital Cable");
}
Log.Log.Info("Detected new digital BDA tuner device {0} {1}", name, devicePath);
// Try the MediaPortal network provider first.
ITVCard deviceToAdd = null;
if (_mpNp != null)
{
Log.Log.Debug(" check type with MP NP");
IDvbNetworkProvider interfaceNetworkProvider = (IDvbNetworkProvider)_mpNp;
string hash = GetHash(devicePath);
interfaceNetworkProvider.ConfigureLogging(GetFileName(devicePath), hash, LogLevelOption.Debug);
if (ConnectFilter(_graphBuilder, _mpNp, tmpDeviceFilter))
{
TuningType tuningTypes;
interfaceNetworkProvider.GetAvailableTuningTypes(out tuningTypes);
Log.Log.Debug(" tuning types = {0}, hash = {1}", tuningTypes, hash);
if ((tuningTypes & TuningType.DvbT) != 0 && !isCablePreferred)
{
deviceToAdd = new TvCardDVBT(connectedDevice);
}
else if ((tuningTypes & TuningType.DvbS) != 0 && !isCablePreferred)
{
deviceToAdd = new TvCardDVBS(connectedDevice);
}
else if ((tuningTypes & TuningType.DvbC) != 0)
{
deviceToAdd = new TvCardDVBC(connectedDevice);
}
else if ((tuningTypes & TuningType.Atsc) != 0)
{
deviceToAdd = new TvCardATSC(connectedDevice);
}
else
{
Log.Log.Debug(" connected to MP NP but type not recognised");
}
}
else
{
Log.Log.Debug(" failed to connect to MP NP");
}
}
// Try the Microsoft network provider next if the MP NP
// failed and the MS generic NP is available.
if (deviceToAdd == null && isMsGenericNpAvailable)
{
// Note: the MS NP must be added/removed to/from the graph for each
// device that is checked. If you don't do this, the networkTypes
// list gets longer and longer and longer.
Log.Log.Debug(" check type with MS NP");
IBaseFilter genericNp = null;
try
{
genericNp = FilterGraphTools.AddFilterFromClsid(_graphBuilder, typeof(NetworkProvider).GUID, "Microsoft Network Provider");
}
catch
{
genericNp = null;
}
if (genericNp == null)
{
Log.Log.Error(" failed to add MS NP to graph");
}
else
{
if (ConnectFilter(_graphBuilder, genericNp, tmpDeviceFilter))
{
int networkTypesMax = 5;
int networkTypeCount;
Guid[] networkTypes = new Guid[networkTypesMax];
int hr = (genericNp as ITunerCap).get_SupportedNetworkTypes(networkTypesMax, out networkTypeCount, networkTypes);
Log.Log.Debug(" network type count = {0}", networkTypeCount);
for (int n = 0; n < networkTypeCount; n++)
{
Log.Log.Debug(" network type {0} = {1}", n, networkTypes[n]);
}
for (int n = 0; n < networkTypeCount; n++)
{
if (networkTypes[n] == typeof(DVBTNetworkProvider).GUID && !isCablePreferred)
{
deviceToAdd = new TvCardDVBT(connectedDevice);
}
else if (networkTypes[n] == typeof(DVBSNetworkProvider).GUID && !isCablePreferred)
{
deviceToAdd = new TvCardDVBS(connectedDevice);
}
else if (networkTypes[n] == typeof(DVBCNetworkProvider).GUID)
{
deviceToAdd = new TvCardDVBC(connectedDevice);
}
else if (networkTypes[n] == typeof(ATSCNetworkProvider).GUID)
{
deviceToAdd = new TvCardATSC(connectedDevice);
}
if (deviceToAdd != null)
{
break;
}
else if (n == (networkTypeCount - 1))
{
Log.Log.Debug(" connected to MS NP but type not recognised");
}
}
}
else
{
Log.Log.Debug(" failed to connect to MS NP");
}
_graphBuilder.RemoveFilter(genericNp);
Release.ComObject("device detection generic network provider", genericNp);
genericNp = null;
}
}
// Last shot is the old style Microsoft network providers.
if (deviceToAdd == null)
{
Log.Log.Debug(" check type with specific NPs");
if (ConnectFilter(_graphBuilder, _dvbtNp, tmpDeviceFilter))
{
deviceToAdd = new TvCardDVBT(connectedDevice);
}
else if (ConnectFilter(_graphBuilder, _dvbcNp, tmpDeviceFilter))
{
deviceToAdd = new TvCardDVBC(connectedDevice);
}
else if (ConnectFilter(_graphBuilder, _dvbsNp, tmpDeviceFilter))
{
deviceToAdd = new TvCardDVBS(connectedDevice);
}
else if (ConnectFilter(_graphBuilder, _atscNp, tmpDeviceFilter))
{
deviceToAdd = new TvCardATSC(connectedDevice);
}
else
{
Log.Log.Debug(" failed to connect to specific NP");
}
}
if (deviceToAdd != null)
{
Log.Log.Info(" tuner type = {0}", deviceToAdd.CardType);
knownDevices.Add(devicePath);
_deviceEventListener.OnDeviceAdded(deviceToAdd);
}
}
finally
{
_graphBuilder.RemoveFilter(tmpDeviceFilter);
Release.ComObject("device detection device filter", tmpDeviceFilter);
}
}
}
public bool Play(string fileName, Form form)
{
_form = form;
Log.WriteFile("play:{0}", fileName);
_graphBuilder = (IFilterGraph2) new FilterGraph();
_rotEntry = new DsROTEntry(_graphBuilder);
TsReader reader = new TsReader();
_tsReader = (IBaseFilter)reader;
Log.Info("TSReaderPlayer:add TsReader to graph");
_graphBuilder.AddFilter(_tsReader, "TsReader");
#region load file in TsReader
Log.WriteFile("load file in Ts");
IFileSourceFilter interfaceFile = (IFileSourceFilter)_tsReader;
if (interfaceFile == null)
{
Log.WriteFile("TSReaderPlayer:Failed to get IFileSourceFilter");
return(false);
}
int hr = interfaceFile.Load(fileName, null);
if (hr != 0)
{
Log.WriteFile("TSReaderPlayer:Failed to load file");
return(false);
}
#endregion
#region render pin
Log.Info("TSReaderPlayer:render TsReader outputs");
IEnumPins enumPins;
_tsReader.EnumPins(out enumPins);
IPin[] pins = new IPin[2];
int fetched;
while (enumPins.Next(1, pins, out fetched) == 0)
{
if (fetched != 1)
{
break;
}
PinDirection direction;
pins[0].QueryDirection(out direction);
if (direction == PinDirection.Input)
{
Release.ComObject(pins[0]);
continue;
}
_graphBuilder.Render(pins[0]);
Release.ComObject(pins[0]);
}
Release.ComObject(enumPins);
#endregion
_videoWin = _graphBuilder as IVideoWindow;
if (_videoWin != null)
{
_videoWin.put_Visible(OABool.True);
_videoWin.put_Owner(form.Handle);
_videoWin.put_WindowStyle(
(WindowStyle)((int)WindowStyle.Child + (int)WindowStyle.ClipSiblings + (int)WindowStyle.ClipChildren));
_videoWin.put_MessageDrain(form.Handle);
_videoWin.SetWindowPosition(form.ClientRectangle.X, form.ClientRectangle.Y, form.ClientRectangle.Width,
form.ClientRectangle.Height);
}
Log.WriteFile("run graph");
_mediaCtrl = (IMediaControl)_graphBuilder;
hr = _mediaCtrl.Run();
Log.WriteFile("TSReaderPlayer:running:{0:X}", hr);
return(true);
}
/// <summary>
/// Creates the tuning space.
/// </summary>
protected void CreateTuningSpace()
{
Log.Log.WriteFile("dvbt:CreateTuningSpace()");
ITuner tuner = (ITuner)_filterNetworkProvider;
SystemTuningSpaces systemTuningSpaces = new SystemTuningSpaces();
ITuningSpaceContainer container = systemTuningSpaces as ITuningSpaceContainer;
if (container == null)
{
Log.Log.Error("CreateTuningSpace() Failed to get ITuningSpaceContainer");
return;
}
IEnumTuningSpaces enumTuning;
ITuningSpace[] spaces = new ITuningSpace[2];
ITuneRequest request;
container.get_EnumTuningSpaces(out enumTuning);
while (true)
{
int fetched;
enumTuning.Next(1, spaces, out fetched);
if (fetched != 1)
{
break;
}
string name;
spaces[0].get_UniqueName(out name);
if (name == "MediaPortal DVBT TuningSpace")
{
Log.Log.WriteFile("dvbt:found correct tuningspace {0}", name);
_tuningSpace = (IDVBTuningSpace)spaces[0];
tuner.put_TuningSpace(_tuningSpace);
_tuningSpace.CreateTuneRequest(out request);
_tuneRequest = (IDVBTuneRequest)request;
return;
}
Release.ComObject("ITuningSpace", spaces[0]);
}
Release.ComObject("IEnumTuningSpaces", enumTuning);
Log.Log.WriteFile("dvbt:Create new tuningspace");
_tuningSpace = (IDVBTuningSpace) new DVBTuningSpace();
IDVBTuningSpace tuningSpace = (IDVBTuningSpace)_tuningSpace;
tuningSpace.put_UniqueName("MediaPortal DVBT TuningSpace");
tuningSpace.put_FriendlyName("MediaPortal DVBT TuningSpace");
tuningSpace.put__NetworkType(typeof(DVBTNetworkProvider).GUID);
tuningSpace.put_SystemType(DVBSystemType.Terrestrial);
IDVBTLocator locator = (IDVBTLocator) new DVBTLocator();
locator.put_CarrierFrequency(-1);
locator.put_InnerFEC(FECMethod.MethodNotSet);
locator.put_InnerFECRate(BinaryConvolutionCodeRate.RateNotSet);
locator.put_Modulation(ModulationType.ModNotSet);
locator.put_OuterFEC(FECMethod.MethodNotSet);
locator.put_OuterFECRate(BinaryConvolutionCodeRate.RateNotSet);
locator.put_SymbolRate(-1);
object newIndex;
_tuningSpace.put_DefaultLocator(locator);
container.Add(_tuningSpace, out newIndex);
tuner.put_TuningSpace(_tuningSpace);
Release.ComObject("ITuningSpaceContainer", container);
_tuningSpace.CreateTuneRequest(out request);
_tuneRequest = request;
}
private void handleInternalNetworkProviderFilter(DsDevice[] devices, IFilterGraph2 graphBuilder,
Guid networkProviderClsId, DsROTEntry rotEntry)
{
IDvbNetworkProvider interfaceNetworkProvider;
TuningType tuningTypes;
for (int i = 0; i < devices.Length; i++)
{
bool isCablePreferred = false;
string name = devices[i].Name ?? "unknown";
name = name.ToLowerInvariant();
Log.Log.WriteFile("Found card:{0}", name);
//silicondust work-around for dvb type detection issue. generic provider would always use dvb-t
if (name.Contains("silicondust hdhomerun tuner"))
{
isCablePreferred = CheckHDHomerunCablePrefered(name);
Log.Log.WriteFile("silicondust hdhomerun detected - prefer cable mode: {0}", isCablePreferred);
}
IBaseFilter tmp;
graphBuilder.AddSourceFilterForMoniker(devices[i].Mon, null, name, out tmp);
//Use the Microsoft Network Provider method first but only if available
IBaseFilter networkDVB = FilterGraphTools.AddFilterFromClsid(graphBuilder, networkProviderClsId,
"MediaPortal Network Provider");
interfaceNetworkProvider = (IDvbNetworkProvider)networkDVB;
string hash = GetHash(devices[i].DevicePath);
interfaceNetworkProvider.ConfigureLogging(GetFileName(devices[i].DevicePath), hash, LogLevelOption.Debug);
if (ConnectFilter(graphBuilder, networkDVB, tmp))
{
Log.Log.WriteFile("Detected DVB card:{0}- Hash: {1}", name, hash);
interfaceNetworkProvider.GetAvailableTuningTypes(out tuningTypes);
Log.Log.WriteFile("TuningTypes: " + tuningTypes);
// determine the DVB card supported GUIDs here!
if ((tuningTypes & TuningType.DvbT) != 0 && !isCablePreferred)
{
Log.Log.WriteFile("Detected DVB-T* card:{0}", name);
TvCardDVBT dvbtCard = new TvCardDVBT(_epgEvents, devices[i]);
_cards.Add(dvbtCard);
}
if ((tuningTypes & TuningType.DvbS) != 0 && !isCablePreferred)
{
Log.Log.WriteFile("Detected DVB-S* card:{0}", name);
TvCardDVBS dvbsCard = new TvCardDVBS(_epgEvents, devices[i]);
_cards.Add(dvbsCard);
}
if ((tuningTypes & TuningType.DvbC) != 0)
{
Log.Log.WriteFile("Detected DVB-C* card:{0}", name);
TvCardDVBC dvbcCard = new TvCardDVBC(_epgEvents, devices[i]);
_cards.Add(dvbcCard);
}
if ((tuningTypes & TuningType.Atsc) != 0 && !isCablePreferred)
{
Log.Log.WriteFile("Detected ATSC* card:{0}", name);
TvCardATSC dvbsCard = new TvCardATSC(_epgEvents, devices[i]);
_cards.Add(dvbsCard);
}
}
graphBuilder.RemoveFilter(tmp);
Release.ComObject("tmp filter", tmp);
graphBuilder.RemoveFilter(networkDVB);
Release.ComObject("ms provider", networkDVB);
}
FilterGraphTools.RemoveAllFilters(graphBuilder);
rotEntry.Dispose();
Release.ComObject("graph builder", graphBuilder);
}
/// <summary>
/// Creates the teletext component in the graph. First we try to use the stored informations in the graph
/// </summary>
/// <param name="graph">The stored graph</param>
/// <param name="graphBuilder">The graphbuilder</param>
/// <param name="capture">The capture component</param>
/// <returns>true, if the building was successful; false otherwise</returns>
public bool CreateFilterInstance(Graph graph, IFilterGraph2 graphBuilder, Capture capture)
{
Log.Log.WriteFile("analog: SetupTeletext()");
Guid guidBaseFilter = typeof(IBaseFilter).GUID;
object obj;
//find and add tee/sink to sink filter
DsDevice[] devices = DsDevice.GetDevicesOfCat(FilterCategory.AMKSSplitter);
devices[0].Mon.BindToObject(null, null, ref guidBaseFilter, out obj);
_teeSink = (IBaseFilter)obj;
int hr = graphBuilder.AddFilter(_teeSink, devices[0].Name);
if (hr != 0)
{
Log.Log.Error("analog:SinkGraphEx.SetupTeletext(): Unable to add tee/sink filter");
return(false);
}
//connect capture filter -> tee sink filter
IPin pin = DsFindPin.ByDirection(_teeSink, PinDirection.Input, 0);
hr = graphBuilder.Connect(capture.VBIPin, pin);
Release.ComObject(pin);
if (hr != 0)
{
//failed...
Log.Log.Error("analog: unable to connect capture->tee/sink");
graphBuilder.RemoveFilter(_teeSink);
Release.ComObject(_teeSink);
_teeSink = _filterWstDecoder = null;
return(false);
}
if (!string.IsNullOrEmpty(graph.Teletext.Name))
{
Log.Log.WriteFile("analog: Using Teletext-Component configuration from stored graph");
devices = DsDevice.GetDevicesOfCat(graph.Teletext.Category);
foreach (DsDevice device in devices)
{
if (device.Name != null && device.Name.Equals(graph.Teletext.Name))
{
//found it, add it to the graph
Log.Log.Info("analog:Using teletext component - {0}", graph.Teletext.Name);
device.Mon.BindToObject(null, null, ref guidBaseFilter, out obj);
_filterWstDecoder = (IBaseFilter)obj;
hr = graphBuilder.AddFilter(_filterWstDecoder, device.Name);
if (hr != 0)
{
//failed...
Log.Log.Error("analog:SinkGraphEx.SetupTeletext(): Unable to add WST Codec filter");
graphBuilder.RemoveFilter(_filterWstDecoder);
_filterWstDecoder = null;
}
break;
}
}
}
if (_filterWstDecoder == null)
{
Log.Log.WriteFile("analog: No stored or invalid graph for Teletext component - Trying to detect");
//find the WST codec filter
devices = DsDevice.GetDevicesOfCat(FilterCategory.AMKSVBICodec);
foreach (DsDevice device in devices)
{
if (device.Name != null && device.Name.IndexOf("WST") >= 0)
{
//found it, add it to the graph
Log.Log.Info("analog:Found WST Codec filter");
device.Mon.BindToObject(null, null, ref guidBaseFilter, out obj);
_filterWstDecoder = (IBaseFilter)obj;
hr = graphBuilder.AddFilter(_filterWstDecoder, device.Name);
if (hr != 0)
{
//failed...
Log.Log.Error("analog:Unable to add WST Codec filter");
graphBuilder.RemoveFilter(_teeSink);
Release.ComObject(_teeSink);
_teeSink = _filterWstDecoder = null;
return(false);
}
graph.Teletext.Name = device.Name;
graph.Teletext.Category = FilterCategory.AMKSVBICodec;
break;
}
}
//Look for VBI Codec for Vista users as Vista doesn't use WST Codec anymore
if (_filterWstDecoder == null)
{
devices = DsDevice.GetDevicesOfCat(FilterCategory.AMKSMULTIVBICodec);
foreach (DsDevice device in devices)
{
if (device.Name != null && device.Name.IndexOf("VBI") >= 0)
{
//found it, add it to the graph
Log.Log.Info("analog:Found VBI Codec filter");
device.Mon.BindToObject(null, null, ref guidBaseFilter, out obj);
_filterWstDecoder = (IBaseFilter)obj;
hr = graphBuilder.AddFilter(_filterWstDecoder, device.Name);
if (hr != 0)
{
//failed...
Log.Log.Error("analog:Unable to add VBI Codec filter");
graphBuilder.RemoveFilter(_teeSink);
Release.ComObject(_teeSink);
_teeSink = _filterWstDecoder = null;
return(false);
}
graph.Teletext.Name = device.Name;
graph.Teletext.Category = FilterCategory.AMKSMULTIVBICodec;
break;
}
}
}
}
if (_filterWstDecoder == null)
{
Log.Log.Error("analog: unable to find WST Codec or VBI Codec filter");
graphBuilder.RemoveFilter(_teeSink);
Release.ComObject(_teeSink);
_teeSink = _filterWstDecoder = null;
return(false);
}
//connect tee sink filter-> wst codec filter
IPin pinOut = DsFindPin.ByDirection(_teeSink, PinDirection.Output, 0);
pin = DsFindPin.ByDirection(_filterWstDecoder, PinDirection.Input, 0);
hr = graphBuilder.Connect(pinOut, pin);
Release.ComObject(pin);
Release.ComObject(pinOut);
if (hr != 0)
{
//failed
Log.Log.Error("analog: unable to tee/sink->wst codec");
graphBuilder.RemoveFilter(_filterWstDecoder);
graphBuilder.RemoveFilter(_teeSink);
Release.ComObject(_filterWstDecoder);
Release.ComObject(_teeSink);
_teeSink = _filterWstDecoder = null;
_teeSink = null;
graph.Teletext.Name = null;
graph.Teletext.Category = new Guid();
return(false);
}
//done
Log.Log.WriteFile("analog: teletext setup");
if (_filterWstDecoder != null)
{
Log.Log.WriteFile("analog:connect wst/vbi codec->tsfilesink");
_pinWST_VBI = DsFindPin.ByDirection(_filterWstDecoder, PinDirection.Output, 0);
}
return(true);
}
/// <summary>
/// Enumerate all tvcard devices and add them to the list
/// </summary>
private void DetectCards()
{
ITunerCap _providerType;
bool genericNP = false;
//SkyStar 2 & IP Streaming
DsDevice[] devices = DsDevice.GetDevicesOfCat(FilterCategory.LegacyAmFilterCategory);
for (int i = 0; i < devices.Length; ++i)
{
if (String.Compare(devices[i].Name, "B2C2 MPEG-2 Source", true) == 0)
{
Log.Log.WriteFile("Detected SkyStar 2 card");
TvCardDvbSS2 card = new TvCardDvbSS2(_epgEvents, devices[i]);
_cards.Add(card);
//break; maybe more than one B2C2 card ?
}
else if (String.Compare(devices[i].Name, "Elecard NWSource-Plus", true) == 0)
{
TvBusinessLayer layer = new TvBusinessLayer();
Setting setting;
setting = layer.GetSetting("iptvCardCount", "1");
int iptvCardCount = Convert.ToInt32(setting.Value);
for (int cardNum = 0; cardNum < iptvCardCount; cardNum++)
{
Log.Log.WriteFile("Detected IP TV Card " + cardNum);
TvCardDVBIP card = new TvCardDVBIPElecard(_epgEvents, devices[i], cardNum);
_cards.Add(card);
}
}
else if (String.Compare(devices[i].Name, "MediaPortal IPTV Source Filter", true) == 0)
{
TvBusinessLayer layer = new TvBusinessLayer();
Setting setting;
setting = layer.GetSetting("iptvCardCount", "1");
int iptvCardCount = Convert.ToInt32(setting.Value);
for (int cardNum = 0; cardNum < iptvCardCount; cardNum++)
{
Log.Log.WriteFile("Detected IP TV Card " + cardNum);
TvCardDVBIP card = new TvCardDVBIPBuiltIn(_epgEvents, devices[i], cardNum);
_cards.Add(card);
}
}
}
//Hauppauge HD PVR & Colossus
devices = DsDevice.GetDevicesOfCat(FilterCategory.AMKSCrossbar);
for (int i = 0; i < devices.Length; ++i)
{
if (devices[i].Name == null)
{
continue;
}
if (devices[i].Name.Equals("Hauppauge HD PVR Crossbar"))
{
Log.Log.WriteFile("Detected Hauppauge HD PVR");
TvCardHDPVR card = new TvCardHDPVR(devices[i]);
_cards.Add(card);
}
else if (devices[i].Name.Contains("Hauppauge Colossus Crossbar"))
{
Log.Log.WriteFile("Detected Hauppauge Colossus");
TvCardHDPVR card = new TvCardHDPVR(devices[i]);
_cards.Add(card);
}
}
//BDA TV devices
devices = DsDevice.GetDevicesOfCat(FilterCategory.BDASourceFiltersCategory);
if (devices.Length > 0)
{
IFilterGraph2 graphBuilder = (IFilterGraph2) new FilterGraph();
DsROTEntry rotEntry = new DsROTEntry(graphBuilder);
Guid networkProviderClsId = new Guid("{D7D42E5C-EB36-4aad-933B-B4C419429C98}");
if (FilterGraphTools.IsThisComObjectInstalled(networkProviderClsId))
{
handleInternalNetworkProviderFilter(devices, graphBuilder, networkProviderClsId, rotEntry);
}
else
{
ITuningSpace tuningSpace = null;
ILocator locator = null;
//DVBT
IBaseFilter networkDVBT = null;
try
{
networkProviderClsId = typeof(DVBTNetworkProvider).GUID;
networkDVBT = FilterGraphTools.AddFilterFromClsid(graphBuilder, networkProviderClsId,
"DVBT Network Provider");
tuningSpace = (ITuningSpace) new DVBTuningSpace();
tuningSpace.put_UniqueName("DVBT TuningSpace");
tuningSpace.put_FriendlyName("DVBT TuningSpace");
tuningSpace.put__NetworkType(typeof(DVBTNetworkProvider).GUID);
((IDVBTuningSpace)tuningSpace).put_SystemType(DVBSystemType.Terrestrial);
locator = (ILocator) new DVBTLocator();
locator.put_CarrierFrequency(-1);
locator.put_InnerFEC(FECMethod.MethodNotSet);
locator.put_InnerFECRate(BinaryConvolutionCodeRate.RateNotSet);
locator.put_Modulation(ModulationType.ModNotSet);
locator.put_OuterFEC(FECMethod.MethodNotSet);
locator.put_OuterFECRate(BinaryConvolutionCodeRate.RateNotSet);
locator.put_SymbolRate(-1);
tuningSpace.put_DefaultLocator(locator);
((ITuner)networkDVBT).put_TuningSpace(tuningSpace);
}
catch (Exception ex)
{
Log.Log.Error("DVBT card detection error: {0}", ex.ToString());
}
//DVBS
networkProviderClsId = typeof(DVBSNetworkProvider).GUID;
IBaseFilter networkDVBS = FilterGraphTools.AddFilterFromClsid(graphBuilder, networkProviderClsId,
"DVBS Network Provider");
tuningSpace = (ITuningSpace) new DVBSTuningSpace();
tuningSpace.put_UniqueName("DVBS TuningSpace");
tuningSpace.put_FriendlyName("DVBS TuningSpace");
tuningSpace.put__NetworkType(typeof(DVBSNetworkProvider).GUID);
((IDVBSTuningSpace)tuningSpace).put_SystemType(DVBSystemType.Satellite);
locator = (ILocator) new DVBTLocator();
locator.put_CarrierFrequency(-1);
locator.put_InnerFEC(FECMethod.MethodNotSet);
locator.put_InnerFECRate(BinaryConvolutionCodeRate.RateNotSet);
locator.put_Modulation(ModulationType.ModNotSet);
locator.put_OuterFEC(FECMethod.MethodNotSet);
locator.put_OuterFECRate(BinaryConvolutionCodeRate.RateNotSet);
locator.put_SymbolRate(-1);
tuningSpace.put_DefaultLocator(locator);
((ITuner)networkDVBS).put_TuningSpace(tuningSpace);
//ATSC
networkProviderClsId = typeof(ATSCNetworkProvider).GUID;
IBaseFilter networkATSC = FilterGraphTools.AddFilterFromClsid(graphBuilder, networkProviderClsId,
"ATSC Network Provider");
tuningSpace = (ITuningSpace) new ATSCTuningSpace();
tuningSpace.put_UniqueName("ATSC TuningSpace");
tuningSpace.put_FriendlyName("ATSC TuningSpace");
((IATSCTuningSpace)tuningSpace).put_MaxChannel(10000);
((IATSCTuningSpace)tuningSpace).put_MaxMinorChannel(10000);
((IATSCTuningSpace)tuningSpace).put_MinChannel(0);
((IATSCTuningSpace)tuningSpace).put_MinMinorChannel(0);
((IATSCTuningSpace)tuningSpace).put_MinPhysicalChannel(0);
((IATSCTuningSpace)tuningSpace).put_InputType(TunerInputType.Antenna);
locator = (IATSCLocator) new ATSCLocator();
locator.put_CarrierFrequency(-1);
locator.put_InnerFEC(FECMethod.MethodNotSet);
locator.put_InnerFECRate(BinaryConvolutionCodeRate.RateNotSet);
locator.put_Modulation(ModulationType.ModNotSet);
locator.put_OuterFEC(FECMethod.MethodNotSet);
locator.put_OuterFECRate(BinaryConvolutionCodeRate.RateNotSet);
locator.put_SymbolRate(-1);
locator.put_CarrierFrequency(-1);
((IATSCLocator)locator).put_PhysicalChannel(-1);
((IATSCLocator)locator).put_TSID(-1);
tuningSpace.put_DefaultLocator(locator);
((ITuner)networkATSC).put_TuningSpace(tuningSpace);
//DVBC
networkProviderClsId = typeof(DVBCNetworkProvider).GUID;
IBaseFilter networkDVBC = FilterGraphTools.AddFilterFromClsid(graphBuilder, networkProviderClsId,
"DVBC Network Provider");
tuningSpace = (ITuningSpace) new DVBTuningSpace();
tuningSpace.put_UniqueName("DVBC TuningSpace");
tuningSpace.put_FriendlyName("DVBC TuningSpace");
tuningSpace.put__NetworkType(typeof(DVBCNetworkProvider).GUID);
((IDVBTuningSpace)tuningSpace).put_SystemType(DVBSystemType.Cable);
locator = (ILocator) new DVBCLocator();
locator.put_CarrierFrequency(-1);
locator.put_InnerFEC(FECMethod.MethodNotSet);
locator.put_InnerFECRate(BinaryConvolutionCodeRate.RateNotSet);
locator.put_Modulation(ModulationType.ModNotSet);
locator.put_OuterFEC(FECMethod.MethodNotSet);
locator.put_OuterFECRate(BinaryConvolutionCodeRate.RateNotSet);
locator.put_SymbolRate(-1);
tuningSpace.put_DefaultLocator(locator);
((ITuner)networkDVBC).put_TuningSpace(tuningSpace);
//MS Network Provider - MCE Roll-up 2 or better
networkProviderClsId = typeof(NetworkProvider).GUID;
// First test if the Generic Network Provider is available (only on MCE 2005 + Update Rollup 2)
if (FilterGraphTools.IsThisComObjectInstalled(networkProviderClsId))
{
genericNP = true;
}
for (int i = 0; i < devices.Length; i++)
{
bool connected = false;
bool isCablePreferred = false;
string name = devices[i].Name ?? "unknown";
name = name.ToLowerInvariant();
Log.Log.WriteFile("Found card:{0}", name);
//silicondust work-around for dvb type detection issue. generic provider would always use dvb-t
if (name.Contains("silicondust hdhomerun tuner"))
{
isCablePreferred = CheckHDHomerunCablePrefered(name);
Log.Log.WriteFile("silicondust hdhomerun detected - prefer cable mode: {0}", isCablePreferred);
}
IBaseFilter tmp;
try
{
graphBuilder.AddSourceFilterForMoniker(devices[i].Mon, null, name, out tmp);
}
catch (InvalidComObjectException)
{
//ignore bad card
Log.Log.WriteFile("cannot add filter {0} to graph", devices[i].Name);
continue;
}
//Use the Microsoft Network Provider method first but only if available
if (genericNP)
{
IBaseFilter networkDVB = FilterGraphTools.AddFilterFromClsid(graphBuilder, networkProviderClsId,
"Microsoft Network Provider");
if (ConnectFilter(graphBuilder, networkDVB, tmp))
{
Log.Log.WriteFile("Detected DVB card:{0}", name);
// determine the DVB card supported GUIDs here!
_providerType = networkDVB as ITunerCap;
int ulcNetworkTypesMax = 5;
int pulcNetworkTypes;
Guid[] pguidNetworkTypes = new Guid[ulcNetworkTypesMax];
int hr = _providerType.get_SupportedNetworkTypes(ulcNetworkTypesMax, out pulcNetworkTypes,
pguidNetworkTypes);
for (int n = 0; n < pulcNetworkTypes; n++)
{
Log.Log.Debug("Detecting type by MSNP {0}: {1}", n, pguidNetworkTypes[n]);
//test the first found guid to determine the DVB card type
if (pguidNetworkTypes[n] == (typeof(DVBTNetworkProvider).GUID) && !isCablePreferred)
{
Log.Log.WriteFile("Detected DVB-T* card:{0}", name);
TvCardDVBT dvbtCard = new TvCardDVBT(_epgEvents, devices[i]);
_cards.Add(dvbtCard);
connected = true;
}
else if (pguidNetworkTypes[n] == (typeof(DVBSNetworkProvider).GUID) && !isCablePreferred)
{
Log.Log.WriteFile("Detected DVB-S* card:{0}", name);
TvCardDVBS dvbsCard = new TvCardDVBS(_epgEvents, devices[i]);
_cards.Add(dvbsCard);
connected = true;
}
else if (pguidNetworkTypes[n] == (typeof(DVBCNetworkProvider).GUID))
{
Log.Log.WriteFile("Detected DVB-C* card:{0}", name);
TvCardDVBC dvbcCard = new TvCardDVBC(_epgEvents, devices[i]);
_cards.Add(dvbcCard);
connected = true;
}
else if (pguidNetworkTypes[n] == (typeof(ATSCNetworkProvider).GUID))
{
Log.Log.WriteFile("Detected ATSC* card:{0}", name);
TvCardATSC dvbsCard = new TvCardATSC(_epgEvents, devices[i]);
_cards.Add(dvbsCard);
connected = true;
}
if (connected)
{
graphBuilder.RemoveFilter(tmp);
Release.ComObject("tmp filter", tmp);
break; // already found one, no need to continue
}
else if (n == (pulcNetworkTypes - 1))
{
Log.Log.WriteFile("Connected with generic MS Network Provider however network types don't match, using the original method");
}
}
}
else
{
Log.Log.WriteFile("Not connected with generic MS Network Provider, using the original method");
connected = false;
}
graphBuilder.RemoveFilter(networkDVB);
Release.ComObject("ms provider", networkDVB);
}
if (!genericNP || !connected)
{
if (ConnectFilter(graphBuilder, networkDVBT, tmp))
{
Log.Log.WriteFile("Detected DVB-T card:{0}", name);
TvCardDVBT dvbtCard = new TvCardDVBT(_epgEvents, devices[i]);
_cards.Add(dvbtCard);
}
else if (ConnectFilter(graphBuilder, networkDVBC, tmp))
{
Log.Log.WriteFile("Detected DVB-C card:{0}", name);
TvCardDVBC dvbcCard = new TvCardDVBC(_epgEvents, devices[i]);
_cards.Add(dvbcCard);
}
else if (ConnectFilter(graphBuilder, networkDVBS, tmp))
{
Log.Log.WriteFile("Detected DVB-S card:{0}", name);
TvCardDVBS dvbsCard = new TvCardDVBS(_epgEvents, devices[i]);
_cards.Add(dvbsCard);
}
else if (ConnectFilter(graphBuilder, networkATSC, tmp))
{
Log.Log.WriteFile("Detected ATSC card:{0}", name);
TvCardATSC dvbsCard = new TvCardATSC(_epgEvents, devices[i]);
_cards.Add(dvbsCard);
}
graphBuilder.RemoveFilter(tmp);
Release.ComObject("tmp filter", tmp);
}
}
FilterGraphTools.RemoveAllFilters(graphBuilder);
Release.ComObject("dvbc provider", networkDVBC);
Release.ComObject("atsc provider", networkATSC);
Release.ComObject("dvbs provider", networkDVBS);
Release.ComObject("dvbt provider", networkDVBT);
rotEntry.Dispose();
Release.ComObject("graph builder", graphBuilder);
}
}
//Analogue TV devices
devices = DsDevice.GetDevicesOfCat(FilterCategory.AMKSTVTuner);
for (int i = 0; i < devices.Length; i++)
{
string name = devices[i].Name ?? "unknown";
name = name.ToLowerInvariant();
Log.Log.WriteFile("Detected analog card:{0}", name);
TvCardAnalog analogCard = new TvCardAnalog(devices[i]);
_cards.Add(analogCard);
}
_cards.Add(new RadioWebStreamCard());
}
/// <summary>
/// Creates the tuning space.
/// </summary>
protected void CreateTuningSpace()
{
Log.Log.WriteFile("atsc:CreateTuningSpace()");
ITuner tuner = (ITuner)_filterNetworkProvider;
SystemTuningSpaces systemTuningSpaces = new SystemTuningSpaces();
ITuningSpaceContainer container = systemTuningSpaces as ITuningSpaceContainer;
if (container == null)
{
Log.Log.Error("CreateTuningSpace() Failed to get ITuningSpaceContainer");
return;
}
IEnumTuningSpaces enumTuning;
ITuningSpace[] spaces = new ITuningSpace[2];
ITuneRequest request;
container.get_EnumTuningSpaces(out enumTuning);
while (true)
{
int fetched;
enumTuning.Next(1, spaces, out fetched);
if (fetched != 1)
{
break;
}
string name;
spaces[0].get_UniqueName(out name);
if (name == "MediaPortal ATSC TuningSpace")
{
Log.Log.WriteFile("atsc:found correct tuningspace {0}", name);
_tuningSpace = (IATSCTuningSpace)spaces[0];
tuner.put_TuningSpace(_tuningSpace);
_tuningSpace.CreateTuneRequest(out request);
_tuneRequest = (IATSCChannelTuneRequest)request;
return;
}
Release.ComObject("ITuningSpace", spaces[0]);
}
Release.ComObject("IEnumTuningSpaces", enumTuning);
Log.Log.WriteFile("atsc:Create new tuningspace");
_tuningSpace = (IATSCTuningSpace) new ATSCTuningSpace();
IATSCTuningSpace tuningSpace = (IATSCTuningSpace)_tuningSpace;
tuningSpace.put_UniqueName("MediaPortal ATSC TuningSpace");
tuningSpace.put_FriendlyName("MediaPortal ATSC TuningSpace");
tuningSpace.put__NetworkType(typeof(ATSCNetworkProvider).GUID);
tuningSpace.put_CountryCode(0);
tuningSpace.put_InputType(TunerInputType.Antenna);
tuningSpace.put_MaxMinorChannel(999); //minor channels per major
tuningSpace.put_MaxPhysicalChannel(158); //69 for OTA 158 for QAM
tuningSpace.put_MaxChannel(99); //major channels
tuningSpace.put_MinMinorChannel(0);
tuningSpace.put_MinPhysicalChannel(1); //OTA 1, QAM 2
tuningSpace.put_MinChannel(1);
IATSCLocator locator = (IATSCLocator) new ATSCLocator();
locator.put_CarrierFrequency(-1);
locator.put_InnerFEC(FECMethod.MethodNotSet);
locator.put_InnerFECRate(BinaryConvolutionCodeRate.RateNotSet);
locator.put_Modulation(ModulationType.Mod8Vsb); //OTA modultation, QAM = .Mod256Qam
locator.put_OuterFEC(FECMethod.MethodNotSet);
locator.put_OuterFECRate(BinaryConvolutionCodeRate.RateNotSet);
locator.put_PhysicalChannel(-1);
locator.put_SymbolRate(-1);
locator.put_TSID(-1);
object newIndex;
_tuningSpace.put_DefaultLocator(locator);
container.Add(_tuningSpace, out newIndex);
tuner.put_TuningSpace(_tuningSpace);
Release.ComObject("TuningSpaceContainer", container);
_tuningSpace.CreateTuneRequest(out request);
_tuneRequest = (IATSCChannelTuneRequest)request;
}