/// <summary>
/// Builds the graph.
/// </summary>
public override void BuildGraph()
{
try
{
if (_graphState != GraphState.Idle)
{
Log.Log.Error("dvbt:Graph already built");
throw new TvException("Graph already build");
}
Log.Log.WriteFile("dvbt:BuildGraph");
_graphBuilder = (IFilterGraph2) new FilterGraph();
_capBuilder = (ICaptureGraphBuilder2) new CaptureGraphBuilder2();
_capBuilder.SetFiltergraph(_graphBuilder);
_rotEntry = new DsROTEntry(_graphBuilder);
AddNetworkProviderFilter(typeof(DVBTNetworkProvider).GUID);
AddTsWriterFilterToGraph();
if (!useInternalNetworkProvider)
{
CreateTuningSpace();
AddMpeg2DemuxerToGraph();
}
AddAndConnectBDABoardFilters(_device);
string graphName = _device.Name + " - DVBT Graph.grf";
FilterGraphTools.SaveGraphFile(_graphBuilder, graphName);
GetTunerSignalStatistics();
_graphState = GraphState.Created;
}
catch (Exception ex)
{
Log.Log.Write(ex);
Dispose();
_graphState = GraphState.Idle;
throw new TvExceptionGraphBuildingFailed("Graph building failed", ex);
}
}
public void SaveGraph(string filename)
{
try
{
FilterGraphTools.SaveGraphFile(graphBuilder, filename);
}
catch (COMException e)
{
ShowCOMException(e, "Error saving graph " + filename);
}
catch (Exception e)
{
MessageBox.Show(e.Message, "Exception saving graph " + filename);
}
}
/// <summary>
/// Saves the current graph to a file in the output directory.
/// This behavior can be enabled or disabled by the appSettings OutputDebugGRF key
/// </summary>
public void SaveGraphFile()
{
bool output;
if (bool.TryParse(ConfigurationManager.AppSettings["OutputDebugGRF"], out output))
{
if (output)
{
if (!System.IO.Directory.Exists(AppUser.TVScannerOutputRoot))
{
System.IO.Directory.CreateDirectory(AppUser.TVScannerOutputRoot);
}
FilterGraphTools.SaveGraphFile(_graphBuilder, AppUser.TVScannerOutputRoot + this.GetType().Name + ".grf");
}
}
}
/// <summary>
/// Build the graph.
/// </summary>
public override void BuildGraph()
{
try
{
if (_graphState != GraphState.Idle)
{
Log.Log.Info("PBDA CC: device already initialised");
return;
}
Log.Log.Info("PBDA CC: build graph");
_graphBuilder = (IFilterGraph2) new FilterGraph();
_capBuilder = (ICaptureGraphBuilder2) new CaptureGraphBuilder2();
_capBuilder.SetFiltergraph(_graphBuilder);
_rotEntry = new DsROTEntry(_graphBuilder);
AddNetworkProviderFilter(typeof(ATSCNetworkProvider).GUID);
AddTsWriterFilterToGraph();
if (!useInternalNetworkProvider)
{
AddMpeg2DemuxerToGraph();
}
IBaseFilter lastFilter;
AddAndConnectBDABoardFilters(_device, out lastFilter);
_bdaCa = _filterTuner as IBDA_ConditionalAccess;
if (_bdaCa == null)
{
throw new TvExceptionGraphBuildingFailed("PBDA CC: tuner filter does not implement required interface");
}
AddPbdaFilter(ref lastFilter);
CompleteGraph(ref lastFilter);
bool connected = ConnectTsWriter(_filterTuner);
Log.Log.Debug("PBDA CC: connect OOB pin result = {0}", connected);
CheckCableCardInfo();
string graphName = _device.Name + " - NA Cable Graph.grf";
FilterGraphTools.SaveGraphFile(_graphBuilder, graphName);
GetTunerSignalStatistics();
_graphState = GraphState.Created;
}
catch (Exception)
{
Dispose();
throw;
}
}
public void SaveGraph(string filepath)
{
// Nothing to do with a DTV viewer but can be useful
FilterGraphTools.SaveGraphFile(this.graphBuilder, filepath);
}
/// <summary>
/// Save the current IFilterGraph to a grf file
/// </summary>
/// <param name="filename"></param>
public void SaveFilterGraph(string filename)
{
FilterGraphTools.SaveGraphFile(_graphBuilder, filename);
}
DSStreamResultCodes InitWithVideoFile(WTVStreamingVideoRequest strq)
{
UsingSBEFilter = false; // Not using stream buffer
// Init variables
IPin[] pin = new IPin[1];
string dPin = string.Empty;
string sName = string.Empty;
string dName = string.Empty;
string sPin = string.Empty;
FileInfo fiInputFile = new FileInfo(strq.FileName);
string txtOutputFNPath = fiInputFile.FullName + ".wmv";
if (
(fiInputFile.Extension.ToLowerInvariant().Equals(".wtv")) ||
(fiInputFile.Extension.ToLowerInvariant().Equals(".dvr-ms"))
)
{
return(DSStreamResultCodes.ErrorInvalidFileType);
}
int hr = 0;
try
{
// Get the graphbuilder interface
SendDebugMessage("Creating Graph Object", 0);
IGraphBuilder graphbuilder = (IGraphBuilder)currentFilterGraph;
// Create an ASF writer filter
SendDebugMessage("Creating ASF Writer", 0);
WMAsfWriter asf_filter = new WMAsfWriter();
dc.Add(asf_filter); // CHECK FOR ERRORS
currentOutputFilter = (IBaseFilter)asf_filter; // class variable
// Add the ASF filter to the graph
hr = graphbuilder.AddFilter((IBaseFilter)asf_filter, "WM Asf Writer");
DsError.ThrowExceptionForHR(hr);
// Set the filename
SendDebugMessage("Setting filename", 0);
IFileSinkFilter sinkFilter = (IFileSinkFilter)asf_filter;
string destPathFN = fiInputFile.FullName + ".wmv";
hr = sinkFilter.SetFileName(destPathFN, null);
DsError.ThrowExceptionForHR(hr);
// Handy to have an ACM Wrapper filter hanging around for AVI files with MP3 audio
SendDebugMessage("Adding ACM Wrapper", 0);
IBaseFilter ACMFilter = FilterDefinition.AddToFilterGraph(FilterDefinitions.Other.ACMWrapperFilter, ref graphbuilder);
dc.Add(ACMFilter);
// Render file - then build graph
SendDebugMessage("Rendering file", 0);
graphbuilder.RenderFile(fiInputFile.FullName, null);
SendDebugMessage("Saving graph", 0);
FilterGraphTools.SaveGraphFile(graphbuilder, "C:\\ProgramData\\RemotePotato\\lastfiltergraph.grf");
// Are both our ASF pins connected?
IPin ASFVidInputPin = FilterGraphTools.FindPinByMediaType((IBaseFilter)asf_filter, PinDirection.Input, MediaType.Video, MediaSubType.Null);
IPin ASFAudInputPin = FilterGraphTools.FindPinByMediaType((IBaseFilter)asf_filter, PinDirection.Input, MediaType.Audio, MediaSubType.Null);
// Run graph [can use this also to get media type => see, e.g. dvrmstowmvhd by Babgvant]
SendDebugMessage("Run graph for testing purposes", 0);
IMediaControl tempControl = (IMediaControl)graphbuilder;
IMediaEvent tempEvent = (IMediaEvent)graphbuilder;
DsError.ThrowExceptionForHR(tempControl.Pause());
EventCode pEventCode;
hr = tempEvent.WaitForCompletion(1000, out pEventCode);
// Get media type from vid input pin for ASF writer
AMMediaType pmt = new AMMediaType();
hr = ASFVidInputPin.ConnectionMediaType(pmt);
FrameSize SourceFrameSize = null;
if (pmt.formatType == FormatType.VideoInfo2)
{
// Now graph has been run and stopped we can get the video width and height from the output pin of the main video decoder
VideoInfoHeader2 pvih2 = new VideoInfoHeader2();
Marshal.PtrToStructure(pmt.formatPtr, pvih2);
SourceFrameSize = new FrameSize(pvih2.BmiHeader.Width, pvih2.BmiHeader.Height);
}
else if (pmt.formatType == FormatType.VideoInfo) //{05589f80-c356-11ce-bf01-00aa0055595a}
{
VideoInfoHeader pvih = new VideoInfoHeader();
Marshal.PtrToStructure(pmt.formatPtr, pvih);
SourceFrameSize = new FrameSize(pvih.BmiHeader.Width, pvih.BmiHeader.Height);
}
else
{
SourceFrameSize = new FrameSize(200, 200); // SQUARE
}
// Stop graph if necessary
FilterState pFS;
hr = tempControl.GetState(1000, out pFS);
if (pFS != FilterState.Stopped)
{
DsError.ThrowExceptionForHR(tempControl.Stop());
}
// Free up media type
DsUtils.FreeAMMediaType(pmt); pmt = null;
// (re)Configure the ASF writer with the selected WM Profile
ConfigureASFWriter(asf_filter, strq, SourceFrameSize);
// Release pins
SendDebugMessage("Releasing COM objects (pins)", 0);
// source
Marshal.ReleaseComObject(ASFVidInputPin); ASFVidInputPin = null;
Marshal.ReleaseComObject(ASFAudInputPin); ASFAudInputPin = null;
}
catch (Exception ex)
{
SendDebugMessageWithException(ex.Message, ex);
return(DSStreamResultCodes.ErrorExceptionOccurred);
}
return(DSStreamResultCodes.OK);
}
/// <summary>
/// Builds the directshow graph for this analog tvcard
/// </summary>
public override void BuildGraph()
{
if (_cardId == 0)
{
GetPreloadBitAndCardId();
_configuration = Configuration.readConfiguration(_cardId, _name, _devicePath);
Configuration.writeConfiguration(_configuration);
}
_lastSignalUpdate = DateTime.MinValue;
_tunerLocked = false;
Log.Log.WriteFile("analog: build graph");
try
{
if (_graphState != GraphState.Idle)
{
Log.Log.WriteFile("analog: Graph already build");
throw new TvException("Graph already build");
}
//create a new filter graph
_graphBuilder = (IFilterGraph2) new FilterGraph();
_rotEntry = new DsROTEntry(_graphBuilder);
_capBuilder = (ICaptureGraphBuilder2) new CaptureGraphBuilder2();
_capBuilder.SetFiltergraph(_graphBuilder);
Graph graph = _configuration.Graph;
_tuner = new Tuner(_device);
if (!_tuner.CreateFilterInstance(graph, _graphBuilder))
{
Log.Log.Error("analog: unable to add tv tuner filter");
throw new TvException("Analog: unable to add tv tuner filter");
}
_minChannel = _tuner.MinChannel;
_maxChannel = _tuner.MaxChannel;
//add the wdm crossbar device and connect tvtuner->crossbar
_crossbar = new Crossbar();
if (!_crossbar.CreateFilterInstance(graph, _graphBuilder, _tuner))
{
Log.Log.Error("analog: unable to add tv crossbar filter");
throw new TvException("Analog: unable to add tv crossbar filter");
}
//add the tv audio tuner device and connect it to the crossbar
_tvAudio = new TvAudio();
if (!_tvAudio.CreateFilterInstance(graph, _graphBuilder, _tuner, _crossbar))
{
Log.Log.Error("analog: unable to add tv audio tuner filter");
throw new TvException("Analog: unable to add tv audio tuner filter");
}
//add the tv capture device and connect it to the crossbar
_capture = new Capture();
if (!_capture.CreateFilterInstance(graph, _capBuilder, _graphBuilder, _tuner, _crossbar, _tvAudio))
{
Log.Log.Error("analog: unable to add capture filter");
throw new TvException("Analog: unable to add capture filter");
}
Configuration.writeConfiguration(_configuration);
_teletext = new TeletextComponent();
if (_capture.SupportsTeletext)
{
if (!_teletext.CreateFilterInstance(graph, _graphBuilder, _capture))
{
Log.Log.Error("analog: unable to setup teletext filters");
throw new TvException("Analog: unable to setup teletext filters");
}
}
Configuration.writeConfiguration(_configuration);
_encoder = new Encoder();
if (!_encoder.CreateFilterInstance(_graphBuilder, _tuner, _tvAudio, _crossbar, _capture))
{
Log.Log.Error("analog: unable to add encoding filter");
throw new TvException("Analog: unable to add capture filter");
}
Log.Log.WriteFile("analog: Check quality control");
_qualityControl = QualityControlFactory.createQualityControl(_configuration, _encoder.VideoEncoderFilter,
_capture.VideoFilter, _encoder.MultiplexerFilter,
_encoder.VideoCompressorFilter);
if (_qualityControl == null)
{
Log.Log.WriteFile("analog: No quality control support found");
//If a hauppauge analog card, set bitrate to default
//As the graph is stopped, we don't need to pass in the deviceID
//However, if we wish to change quality for a live graph, the deviceID must be passed in
if (_tunerDevice != null && _capture.VideoFilter != null)
{
if (_capture.VideoCaptureName.Contains("Hauppauge"))
{
Hauppauge _hauppauge = new Hauppauge(_capture.VideoFilter, string.Empty);
_hauppauge.SetStream(103);
_hauppauge.SetAudioBitRate(384);
_hauppauge.SetVideoBitRate(6000, 8000, true);
int min, max;
bool vbr;
_hauppauge.GetVideoBitRate(out min, out max, out vbr);
Log.Log.Write("Hauppauge set video parameters - Max kbps: {0}, Min kbps: {1}, VBR {2}", max, min, vbr);
_hauppauge.Dispose();
_hauppauge = null;
}
}
}
if (!AddTsFileSink())
{
throw new TvException("Analog: unable to add mpfilewriter");
}
Log.Log.WriteFile("analog: Graph is built");
FilterGraphTools.SaveGraphFile(_graphBuilder, "analog.grf");
ReloadCardConfiguration();
_graphState = GraphState.Created;
}
catch (TvExceptionSWEncoderMissing ex)
{
Log.Log.Write(ex);
Dispose();
_graphState = GraphState.Idle;
throw;
}
catch (Exception ex)
{
Log.Log.Write(ex);
Dispose();
_graphState = GraphState.Idle;
throw new TvExceptionGraphBuildingFailed("Graph building failed", ex);
}
}
public void SaveToGraphFile(string fileName)
{
FilterGraphTools.SaveGraphFile(Graph, fileName);
}
