protected IBaseFilter AddFilterByDevicePath(string devicePath, string friendlyName)
{
IBaseFilter filter = FilterGraphTools.AddFilterByDevicePath(_graphBuilder, devicePath, friendlyName);
if (filter == null)
{
throw new Exception("The DirectShow filter " + friendlyName + " not found.");
}
return(filter);
}
public FCNSource2VMR()
{
source = FilterGraphTools.AddFilterByName(graph, FilterCategory.LegacyAmFilterCategory, "FC Network Source");
xform = FilterGraphTools.AddFilterByName(graph, FilterCategory.LegacyAmFilterCategory, "H.264 Byte Stream Transform");
dec = FilterGraphTools.AddFilterByName(graph, FilterCategory.LegacyAmFilterCategory, "LEAD H264 Decoder (3.0)");
vmr = FilterGraphTools.AddFilterByDevicePath(graph, @"@device:sw:{083863F1-70DE-11D0-BD40-00A0C911CE86}\{6BC1CFFA-8FC1-4261-AC22-CFB4CC38DB50}", "VMR7");
FilterGraphTools.ConnectFilters(graph, source, "Output 1", xform, "XForm In", false);
FilterGraphTools.ConnectFilters(graph, xform, "XForm Out", dec, "XForm In", false);
FilterGraphTools.ConnectFilters(graph, dec, "XForm Out", vmr, "VMR Input0", false);
}
public static IBaseFilter AddToFilterGraph(FilterDefinition fd, ref IGraphBuilder graph, string _graphDisplayName)
{
if (fd.HasDevicePath)
{
return(FilterGraphTools.AddFilterByDevicePath(graph, fd.DevicePath, _graphDisplayName));
}
else
if (fd.CLSID != Guid.Empty)
{
return(FilterGraphTools.AddFilterFromClsid(graph, fd.CLSID, _graphDisplayName));
}
else
{
return(null);
}
}
public IBaseFilter AddFilterByDevicePath(string devicePath, string friendlyName)
{
if (_graphBuilder == null)
{
throw new Exception("_graphBuilder is null");
}
if (devicePath == null)
{
throw new Exception("device path is null");
}
if (friendlyName == null)
{
throw new Exception("friendlyName is null");
}
IBaseFilter filter = FilterGraphTools.AddFilterByDevicePath(_graphBuilder, devicePath, friendlyName);
if (filter == null)
{
throw new Exception("The DirectShow filter " + friendlyName + " not found.");
}
return(filter);
}
private void Construct(bool compressVideo)
{
this.Output = (IBaseFilter)this.Controller.InsertSinkFilter(this.graph);
bouncingBall = FilterGraphTools.AddFilterByDevicePath(this.graph, @"@device:sw:{083863F1-70DE-11D0-BD40-00A0C911CE86}\{8D234572-35E6-495D-98AE-9A36856C49C8}", "Bouncing Ball");
if (compressVideo)
{
videoEncoder = FilterGraphTools.AddFilterByName(this.graph, FilterCategory.VideoCompressorCategory, "LEAD H264 Encoder (4.0)");
h264Encoder = (LMH264Encoder)videoEncoder;
h264Encoder.EnableRateControl = true;
h264Encoder.EnableSuperCompression = false;
h264Encoder.BitRate = 10000;
h264Encoder.FrameRate = -1;
h264Encoder.EncodingSpeed = eH264ENCODINGSPEED.H264SPEED_1;
h264Encoder.EncodingThreads = eH264ENCODINGTHREADS.H264THREAD_AUTO;
FilterGraphTools.ConnectFilters(this.graph, bouncingBall, "A Bouncing Ball!", videoEncoder, "XForm In", false);
FilterGraphTools.ConnectFilters(this.graph, videoEncoder, "XForm Out", this.Output, "Input 1", false);
}
else
{
FilterGraphTools.ConnectFilters(this.graph, bouncingBall, "A Bouncing Ball!", this.Output, "Input 1", false);
}
}
public WinTV418ATSC(StreamSourceInfo sourceConfig, OpenGraphRequest openGraphRequest)
: base(sourceConfig, openGraphRequest)
{
if (SourceConfig.TVTuner == null)
{
throw new SourceConfigException("TVTuner config section not found!");
}
_deviceIndex = sourceConfig.TVTuner.DeviceIndex;
tuningSpace = GetTuningSpace();
Guid networkType;
tuningSpace.get__NetworkType(out networkType);
if (networkType.Equals(Guid.Empty))
{
throw new Exception("Not a digital Network Type!");
}
networkProvider = (IBaseFilter)Activator.CreateInstance(Type.GetTypeFromCLSID(networkType));
int hr = _graphBuilder.AddFilter(networkProvider, "Network Provider");
DsError.ThrowExceptionForHR(hr);
tuner = (ITuner)networkProvider;
//add MPEG2 Demux
mpeg2Demux = FilterGraphTools.AddFilterByName(_graphBuilder, FilterCategory.LegacyAmFilterCategory, "MPEG-2 Demultiplexer");
//add BDA MPEG-2 Transport Information Filter
bdaTransportInfo = FilterGraphTools.AddFilterByName(_graphBuilder, FilterCategory.BDATransportInformationRenderersCategory, "BDA MPEG2 Transport Information Filter");
//add MPEG-2 Sections and Tables Filter
mpeg2SectionsAndTables = FilterGraphTools.AddFilterByName(_graphBuilder, FilterCategory.BDATransportInformationRenderersCategory, "MPEG-2 Sections and Tables");
//tunerFilter = FilterGraphTools.AddFilterByName(_graphBuilder, FilterCategory.BDASourceFiltersCategory, "Hauppauge WinTV 418 BDA Tuner");
DsDevice tunerDevice = FindDevice(FilterCategory.BDASourceFiltersCategory, "Hauppauge WinTV 418 BDA Tuner");
tunerFilter = FilterGraphTools.AddFilterByDevicePath(_graphBuilder, tunerDevice.DevicePath, tunerDevice.Name);
//captureFilter = FilterGraphTools.AddFilterByName(_graphBuilder, FilterCategory.BDAReceiverComponentsCategory, "Hauppauge WinTV 418 TS Capture");
DsDevice captureDevice = FindDevice(FilterCategory.BDAReceiverComponentsCategory, "Hauppauge WinTV 418 TS Capture");
captureFilter = FilterGraphTools.AddFilterByDevicePath(_graphBuilder, captureDevice.DevicePath, captureDevice.Name);
//connect network provider to BDA tuner
ConnectFilters(networkProvider, "Antenna Out", (IBaseFilter)tunerFilter, "Input0", false);
ConnectFilters((IBaseFilter)tunerFilter, "MPEG2 Transport", captureFilter, "MPEG2 Transport", false);
//These filters need to be connected via their explicit pins,
// because Hauppauge saw fit to name all the pins on the capture filter the same name.
IPin captureFilterOut = DsFindPin.ByDirection(captureFilter, PinDirection.Output, 0);
IPin mpeg2DemuxIn = DsFindPin.ByDirection(mpeg2Demux, PinDirection.Input, 0);
FilterGraphTools.ConnectFilters(_graphBuilder, captureFilterOut, mpeg2DemuxIn, false);
//clean up the two pins
Marshal.ReleaseComObject(captureFilterOut);
Marshal.ReleaseComObject(mpeg2DemuxIn);
//add and connect meta data filters and connect them to the Demux
ConnectFilters(mpeg2Demux, "1", bdaTransportInfo, "Input", false);
ConnectFilters(mpeg2Demux, "5", mpeg2SectionsAndTables, "In", false);
//this interface must be queried after the S&T filter has been connected.
mpeg2Data = (IMpeg2Data)mpeg2SectionsAndTables;
_vctParser = new Parser(mpeg2Data);
//build out the rest of the graph for the given source config / profile
BuildForProfile();
ConnectNetMuxToNetSnk();
if (KnownChannels.Count > 0)
{
this.Channel = KnownChannels.Items[0];
}
SaveGraphFile("WinTV418ATSC.grf");
}
