private IBaseFilter ConfigAsf(ICaptureGraphBuilder2 capGraph,
string szOutputFileName,
CaptureOptions.VideoCompression quality)
{
IFileSinkFilter pTmpSink = null;
IBaseFilter asfWriter = null;
int hr = capGraph.SetOutputFileName(MediaSubType.Asf, szOutputFileName, out asfWriter, out pTmpSink);
Marshal.ThrowExceptionForHR(hr);
try
{
IConfigAsfWriter lConfig = (IConfigAsfWriter)asfWriter;
string profileData;
int bitRate;
switch (quality)
{
case CaptureOptions.VideoCompression.MinimalSize:
bitRate = (int)(1000000.0 * (_inFrameWidth * _inFrameHeight * _FPS) / (720 * 1280 * 25));
break;
case CaptureOptions.VideoCompression.Optimal:
bitRate = (int)(2000000.0 * (_inFrameWidth * _inFrameHeight * _FPS) / (720 * 1280 * 25));
break;
case CaptureOptions.VideoCompression.BestQuality:
bitRate = (int)(4000000.0 * (_inFrameWidth * _inFrameHeight * _FPS) / (720 * 1280 * 25));
break;
default:
throw new ApplicationException("Internal error: unknown type of the required video codec");
}
//Getting XML with profile.
using (var reader = new StreamReader(Path.Combine(Directories.GetConfigDirectory(), "Encoder.prx")))
{
profileData = reader.ReadToEnd();
}
profileData = profileData.Replace("__FRAME_WIDTH__", _inFrameWidth.ToString());
profileData = profileData.Replace("__FRAME_HEIGHT__", _inFrameHeight.ToString());
profileData = profileData.Replace("__BIT_RATE__", bitRate.ToString());
// Get manager
IWMProfileManager profileManager;
WMUtils.WMCreateProfileManager(out profileManager);
// Create profile
IWMProfile profile;
profileManager.LoadProfileByData(profileData, out profile);
lConfig.ConfigureFilterUsingProfile(profile);
}
finally
{
Marshal.ReleaseComObject(pTmpSink);
}
return(asfWriter);
}
/// <summary>
/// This method must be called to initialize the network sink. Make sure the SinkURL is properly populated before calling this method.
/// </summary>
protected void InitializeSink()
{
_sinkControl.StartChangingAttributes();
IFileSinkFilter fileSink = (IFileSinkFilter)_sink;
if (fileSink == null)
{
throw new Exception("IFileSourceFilter not found on DVR Sink");
}
AMMediaType mediaType = new AMMediaType();
mediaType.majorType = DirectShowLib.MediaType.Stream;
mediaType.subType = MediaSubType.Null;
String sinkFolderPath = null;
sinkFolderPath = Settings.RootFolder + SourceConfig.SourceName + @"/";
if (Directory.Exists(sinkFolderPath) == false)
{
Directory.CreateDirectory(sinkFolderPath);
}
int hr = fileSink.SetFileName(sinkFolderPath + "Stream.LBL", mediaType);
DsError.ThrowExceptionForHR(hr);
_sinkControl.SetBufferSize(0, Settings.NumberOfFiles, Settings.FileSize);
Debug.WriteLine(String.Format("DVR for {0} is writing to {1}--{2} files with {3} bytes per file", SourceConfig.SourceName,
sinkFolderPath, Settings.NumberOfFiles, Settings.FileSize));
_sinkControl.StopChangingAttributes(false);
}
protected override HRESULT OnInitInterfaces()
{
HRESULT hr;
// Create Capture Graph Builder
ICaptureGraphBuilder2 _capture = (ICaptureGraphBuilder2) new CaptureGraphBuilder2();
// Set Filter Graph
_capture.SetFiltergraph(m_GraphBuilder);
// Insert Capture Device into the Graph
m_pCaptureDevice.FilterGraph = m_GraphBuilder;
IBaseFilter _muxer = null;
IFileSinkFilter _sync = null;
// if we output into a file too
if (!string.IsNullOrEmpty(m_sOutputFileName))
{
// Setup output for an avi file
hr = (HRESULT)_capture.SetOutputFileName(MediaSubType.Avi, m_sOutputFileName, out _muxer, out _sync);
hr.Assert();
if (SUCCEEDED(hr))
{
// Connect capture
hr = (HRESULT)_capture.RenderStream(PinCategory.Capture, MediaType.Video, m_pCaptureDevice.Value, null, _muxer);
hr.Assert();
}
}
// Make preview
hr = (HRESULT)_capture.RenderStream(PinCategory.Preview, MediaType.Video, m_pCaptureDevice.Value, null, null);
Marshal.FinalReleaseComObject(_capture);
return(hr);
}
public override void RenderCapture(string fileName)
{
int hr;
if (_encoderDevice == null)
{
throw new Exception("Encoder device \"" + GraphConfig[FilterType.VideoEncoder].Name + "\" could not be loaded!");
}
if (_writerDevice == null)
{
throw new Exception("Writer device \"" + GraphConfig[FilterType.Writer].Name + "\" could not be loaded!");
}
_videoEncoder = AddFilterByDevicePath(_encoderDevice.DevicePath, _encoderDevice.Name);
_fileWriter = AddFilterByDevicePath(_writerDevice.DevicePath, _writerDevice.Name);
SetVideoBitRate(GraphConfig.VideoBitrate.MinBitRate, GraphConfig.VideoBitrate.MaxBitRate, GraphConfig.VideoIsVBR);
ConnectFilters(_captureFilter, "656", _videoEncoder, "656", true);
ConnectFilters(_videoEncoder, "MPEG", _fileWriter, "Input", true);
IFileSinkFilter fileSinkControl = (IFileSinkFilter)_fileWriter;
hr = fileSinkControl.SetFileName(fileName + ".mpg", _emptyAMMediaType);
DsError.ThrowExceptionForHR(hr);
StartDVRWriter(_fileWriter);
}
/// <summary>
/// Builds a recording graph that saves the incoming H264 stream to an Ogg container to add
/// support for seeking.
/// </summary>
/// <param name="filename">file to record to</param>
/// <remarks>
/// Since this recording graph does not recompress or decompress any data, it performs its job
/// with little overhead.
/// </remarks>
protected void CreateRecordingGraph(string filename)
{
lock (instanceMutex)
{
//create file recording graph
_fileSinkGraphBuilder = (IGraphBuilder) new FilterGraph();
_fileSinkCaptureGraphBuilder = (ICaptureGraphBuilder2) new CaptureGraphBuilder2();
_fileSinkMediaControl = (IMediaControl)_fileSinkGraphBuilder;
//attach filter graph to capture graph, for recording
int hr = _fileSinkCaptureGraphBuilder.SetFiltergraph(_fileSinkGraphBuilder);
DsError.ThrowExceptionForHR(hr);
//add bridge source to the recording graph, linked to the bridge sink
_bridgeSource = (IBaseFilter)_bridgeController.InsertSourceFilter(_bridgeSink, _fileSinkGraphBuilder);
_muxer = AddFilterByName(_fileSinkGraphBuilder, FilterCategory.LegacyAmFilterCategory, "LEAD MPEG2 Multiplexer (2.0)");
//add the File Writer
_fileSink = AddFilterByName(_fileSinkGraphBuilder, FilterCategory.LegacyAmFilterCategory, "File writer");
_fileSinkFilter = (IFileSinkFilter)_fileSink;
hr = _fileSinkFilter.SetFileName(filename, null);
DsError.ThrowExceptionForHR(hr);
ConnectFilters(_fileSinkGraphBuilder, _bridgeSource, "Output 1", _muxer, "Input 01", true);
ConnectFilters(_fileSinkGraphBuilder, _muxer, "Output 01", _fileSink, "in", false);
}
}
private IBaseFilter ConfigAsf(ICaptureGraphBuilder2 capGraph, string szOutputFileName)
{
IFileSinkFilter pTmpSink = null;
IBaseFilter asfWriter = null;
int hr = capGraph.SetOutputFileName(MediaSubType.Asf, szOutputFileName, out asfWriter, out pTmpSink);
Marshal.ThrowExceptionForHR(hr);
try
{
IConfigAsfWriter lConfig = asfWriter as IConfigAsfWriter;
// Windows Media Video 8 for Dial-up Modem (No audio, 56 Kbps)
// READ THE README for info about using guids
Guid cat = new Guid(0x6E2A6955, 0x81DF, 0x4943, 0xBA, 0x50, 0x68, 0xA9, 0x86, 0xA7, 0x08, 0xF6);
hr = lConfig.ConfigureFilterUsingProfileGuid(cat);
Marshal.ThrowExceptionForHR(hr);
}
finally
{
Marshal.ReleaseComObject(pTmpSink);
}
return(asfWriter);
}
IBaseFilter ConfigAsf(ICaptureGraphBuilder2 capGraph, string szFileName)
{
int hr;
IBaseFilter asfWriter = null;
IFileSinkFilter pTmpSink = null;
// You *must* set an output file name. Even though it never gets used
hr = capGraph.SetOutputFileName(MediaSubType.Asf, szFileName, out asfWriter, out pTmpSink);
DsError.ThrowExceptionForHR(hr);
try
{
WindowsMediaLib.IConfigAsfWriter lConfig = asfWriter as WindowsMediaLib.IConfigAsfWriter;
// Use one of the pre-defined system profiles. I picked one with mucho
// compression and no audio streams
// Windows Media Video 8 for Dial-up Modem (No audio, 56 Kbps)
Guid cat = new Guid(0x6E2A6955, 0x81DF, 0x4943, 0xBA, 0x50, 0x68, 0xA9, 0x86, 0xA7, 0x08, 0xF6);
lConfig.ConfigureFilterUsingProfileGuid(cat);
}
finally
{
if (pTmpSink != null)
{
Marshal.ReleaseComObject(pTmpSink);
pTmpSink = null;
}
}
return(asfWriter);
}
/// <summary>
/// Constructs a new OggWriter
/// </summary>
public OggWriter() : base()
{
oggMux = FilterGraphTools.AddFilterByName(this.graph, FilterCategory.LegacyAmFilterCategory, "LEAD Ogg Multiplexer");
if (oggMux == null)
{
throw new Exception("Could not instantiate OGG Mux!");
}
fileWriter = FilterGraphTools.AddFilterByName(this.graph, FilterCategory.LegacyAmFilterCategory, "File writer");
if (fileWriter == null)
{
throw new Exception("File writer could not be instantiated");
}
IFileSinkFilter fs = fileWriter as IFileSinkFilter;
if (fs == null)
{
throw new Exception(@"Can't get IFileSinkFilter interface!");
}
string datetime = DateTime.Now.ToString("yyMMdd HHmmss");
int hr = fs.SetFileName(@"C:\temp\" + datetime + " oggwriter.ogm", null);
DsError.ThrowExceptionForHR(hr);
}
protected void derenderGraph()
{
if (this.mediaControl != null)
{
this.mediaControl.Stop();
}
if (this.videoWindow != null)
{
this.videoWindow.put_Visible(0);
this.videoWindow.put_Owner(IntPtr.Zero);
this.videoWindow = null;
}
if (this.PreviewWindow != null)
{
this.previewWindow.Resize -= new EventHandler(this.onPreviewWindowResize);
}
if (this.graphState >= GraphState.Rendered)
{
this.graphState = GraphState.Created;
this.isCaptureRendered = false;
this.isPreviewRendered = false;
if (this.videoDeviceFilter != null)
{
this.removeDownstream(this.videoDeviceFilter, this.videoCompressor == null);
}
if (this.audioDeviceFilter != null)
{
this.removeDownstream(this.audioDeviceFilter, this.audioCompressor == null);
}
this.muxFilter = null;
this.fileWriterFilter = null;
this.baseGrabFlt = null;
}
}
/// <summary>
/// Configs the asf.
/// </summary>
/// <param name="capGraph">The cap graph.</param>
/// <param name="szOutputFileName">Name of the sz output file.</param>
/// <returns></returns>
private IBaseFilter ConfigAsf(ICaptureGraphBuilder2 capGraph, string szOutputFileName)
{
IBaseFilter asfWriter = null;
IFileSinkFilter pTmpSink = null;
IWMProfileManager ppProfileManager = null;
IWMProfile ppProfile = null;
try
{
WindowsMediaLib.WMUtils.WMCreateProfileManager(out ppProfileManager);
string prx = File.ReadAllText(Path.Combine(Path.GetDirectoryName(
Assembly.GetEntryAssembly().Location), "profile.prx"));
ppProfileManager.LoadProfileByData(prx, out ppProfile);
int hr = capGraph.SetOutputFileName(MediaSubType.Asf, szOutputFileName, out asfWriter, out pTmpSink);
Marshal.ThrowExceptionForHR(hr);
WindowsMediaLib.IConfigAsfWriter lConfig = asfWriter as WindowsMediaLib.IConfigAsfWriter;
lConfig.ConfigureFilterUsingProfile(ppProfile);
}
finally
{
Marshal.ReleaseComObject(pTmpSink);
Marshal.ReleaseComObject(ppProfile);
Marshal.ReleaseComObject(ppProfileManager);
}
return(asfWriter);
}
/// <summary>
/// 解放
/// </summary>
public virtual void Dispose()
{
try
{
Stop();
}
catch (Exception)
{
}
DeviceName = "";
SampleGrabberCB.FrameSize = new Size(0, 0);
SampleGrabberCB.Notify -= SampleGrabberCB_Notify;
CaptureFilter = null;
CaptureOutPin = null;
SampleGrabber = null;
Renderer = null;
Mux = null;
Sync = null;
if (CaptureBuilder != null)
{
Marshal.ReleaseComObject(CaptureBuilder);
}
CaptureBuilder = null;
if (GraphBuilder != null)
{
Marshal.ReleaseComObject(GraphBuilder);
}
GraphBuilder = null;
}
void TestOutputFileName()
{
int hr;
IFileSinkFilter ppsink = null;
hr = m_icgb2.SetOutputFileName(MediaSubType.Avi, g_DestTestFile, out m_Multiplexer, out ppsink);
DsError.ThrowExceptionForHR(hr);
}
/// <summary>
/// 释放资源
/// </summary>
public void Dispose()
{
if (mediaControl != null)
{
mediaControl.Stop();
mediaControl = null;
}
if (graphBuilder != null)
{
Marshal.ReleaseComObject(graphBuilder);
graphBuilder = null;
}
if (captureGraphBuilder != null)
{
Marshal.ReleaseComObject(captureGraphBuilder);
captureGraphBuilder = null;
}
if (sampleGrabber != null)
{
Marshal.ReleaseComObject(sampleGrabber);
sampleGrabber = null;
}
if (theDevice != null)
{
Marshal.ReleaseComObject(theDevice);
theDevice = null;
}
if (theDeviceCompressor != null)
{
Marshal.ReleaseComObject(theDeviceCompressor);
theDeviceCompressor = null;
}
if (theAudio != null)
{
Marshal.ReleaseComObject(theAudio);
theAudio = null;
}
if (theAudioCompressor != null)
{
Marshal.ReleaseComObject(theAudioCompressor);
theAudioCompressor = null;
}
if (mux != null)
{
Marshal.ReleaseComObject(mux);
mux = null;
}
if (sink != null)
{
Marshal.ReleaseComObject(sink);
sink = null;
}
DisposeDevice(dsVideoDevice); //释放视频设备
DisposeDevice(dsVideoCompressorCategory); //释放视频解码器设备
DisposeDevice(dsAudioInputDevice); //释放语音设备
DisposeDevice(dsAudioCompressorCategory); //释放语音解码器设备
}
public string ChooseDstFileName()
{
string ret = null;
IFileSinkFilter fdst = basefilter as IFileSinkFilter;
if (fdst != null)
{
using (var fd = new SaveFileDialog())
{
if (fd.ShowDialog() == DialogResult.OK)
{
try
{
int hr = fdst.SetFileName(fd.FileName, null);
DsError.ThrowExceptionForHR(hr);
ret = fd.FileName;
}
catch (COMException e)
{
Graph.ShowCOMException(e, "Can't create file " + fd.FileName);
}
catch (Exception e)
{
MessageBox.Show(e.Message, "Exception caught while setting output file name " + fd.FileName);
}
}
else
if (Program.mainform.suggestURLs)
{
using (var rf = new RenderURLForm("Open URL"))
{
rf.ShowDialog();
if (rf.selectedURL != null)
{
try
{
int hr = fdst.SetFileName(rf.selectedURL, null);
DsError.ThrowExceptionForHR(hr);
ret = rf.selectedURL;
}
catch (COMException e)
{
Graph.ShowCOMException(e, "Can't set " + rf.selectedURL);
}
catch (Exception e)
{
MessageBox.Show(e.Message, "Exception caught while setting URL " + rf.selectedURL);
}
}
} //using rf
}
}//using fd
}
return(ret);
}
public DumpCom(IBaseFilter baseFilter)
{
Type comType = null;
comType = Type.GetTypeFromCLSID(Clsid.CLSID_CLiveSource);
if (comType == null)
{
throw new NotImplementedException(@"DirectShow FilterGraph not installed/registered!");
}
dumpIface = (IFileSinkFilter)baseFilter;
}
/// <summary> build the capture graph for grabber. </summary>
private void SetupGraph(string destFilename, string encoderName)
{
int hr;
// Get the graphbuilder object
captureGraphBuilder = new DirectShowLib.CaptureGraphBuilder2() as DirectShowLib.ICaptureGraphBuilder2;
IFilterGraph2 filterGraph = new DirectShowLib.FilterGraph() as DirectShowLib.IFilterGraph2;
mediaCtrl = filterGraph as DirectShowLib.IMediaControl;
IMediaFilter mediaFilt = filterGraph as IMediaFilter;
mediaEvent = filterGraph as IMediaEvent;
captureGraphBuilder.SetFiltergraph(filterGraph);
IBaseFilter aviMux;
IFileSinkFilter fileSink = null;
hr = captureGraphBuilder.SetOutputFileName(MediaSubType.Avi, destFilename, out aviMux, out fileSink);
DsError.ThrowExceptionForHR(hr);
DirectShowLib.IBaseFilter compressor = DirectShowUtils.GetVideoCompressor(encoderName);
if (compressor == null)
{
throw new InvalidCodecException(encoderName);
}
hr = filterGraph.AddFilter(compressor, "compressor");
DsError.ThrowExceptionForHR(hr);
// Our data source
IBaseFilter source = (IBaseFilter) new GenericSampleSourceFilter();
// Get the pin from the filter so we can configure it
IPin ipin = DsFindPin.ByDirection(source, PinDirection.Output, 0);
try
{
// Configure the pin using the provided BitmapInfo
ConfigurePusher((IGenericSampleConfig)ipin);
}
finally
{
Marshal.ReleaseComObject(ipin);
}
// Add the filter to the graph
hr = filterGraph.AddFilter(source, "GenericSampleSourceFilter");
Marshal.ThrowExceptionForHR(hr);
hr = filterGraph.AddFilter(source, "source");
DsError.ThrowExceptionForHR(hr);
hr = captureGraphBuilder.RenderStream(null, null, source, compressor, aviMux);
DsError.ThrowExceptionForHR(hr);
IMediaPosition mediaPos = filterGraph as IMediaPosition;
hr = mediaCtrl.Run();
DsError.ThrowExceptionForHR(hr);
}
public StreamingAndRecording(StreamSourceInfo sourceConfig, OpenGraphRequest openGraphRequest) : base(sourceConfig, openGraphRequest)
{
InitializeNetworkSink();
int hr;
_tee = (IBaseFilter) new InfTee();
hr = _graphBuilder.AddFilter(_tee, "Inf Tee");
DsError.ThrowExceptionForHR(hr);
_recordSink = AddFilterByName(FilterCategory.LegacyAmFilterCategory, "DVR Writer");
_recordSinkFilter = (IFileSinkFilter)_recordSink;
_recordSinkFilter.SetFileName(@"c:\test.lts", new AMMediaType());
_dvrWriter = (IDVRWriterApi)_recordSink;
}
/// <summary>
/// This method must be called to initialize the network sink. Make sure the SinkURL is properly populated before calling this method.
/// </summary>
protected void InitializeSink()
{
IFileSinkFilter fileSink = (IFileSinkFilter)_sink;
if (fileSink == null)
{
throw new Exception("IFileSourceFilter not found on DVR Sink");
}
AMMediaType mediaType = new AMMediaType();
mediaType.majorType = DirectShowLib.MediaType.Stream;
mediaType.subType = MediaSubType.Null;
int hr = fileSink.SetFileName(SourceConfig.SinkAddress, mediaType);
DsError.ThrowExceptionForHR(hr);
}
//
// This method convert the input file to an wmv file
//
void Convert2Wmv(string fileName)
{
try
{
progressText.Text = "Dönüstürme islemi devam ediyor";
start.Enabled = false;
convert.Enabled = false;
SaveFileDialog saveFile = new SaveFileDialog();
if (saveFile.ShowDialog() == DialogResult.OK)
{
hr = me.SetNotifyWindow(this.Handle, WM_GRAPHNOTIFY, IntPtr.Zero);
DsError.ThrowExceptionForHR(hr);
// here we use the asf writer to create wmv files
WMAsfWriter asf_filter = new WMAsfWriter();
IFileSinkFilter fs = (IFileSinkFilter)asf_filter;
hr = fs.SetFileName(saveFile.FileName + ".wmv", null);
string[] fileNewName = saveFile.FileName.Split('\\');
outPutText.Text = fileNewName[fileNewName.Length - 1].ToString() + ".wmv";
DsError.ThrowExceptionForHR(hr);
hr = gb.AddFilter((IBaseFilter)asf_filter, "WM Asf Writer");
DsError.ThrowExceptionForHR(hr);
hr = gb.RenderFile(fileName + fExt, null);
DsError.ThrowExceptionForHR(hr);
hr = mc.Run();
DsError.ThrowExceptionForHR(hr);
}
else
{
convert.Enabled = true;
}
}
catch (Exception ex)
{
MessageBox.Show("Wmv ye çevirilirken hata olustu " + ex.Message);
timerThread.Stop();
topProgressBar.Value = 0;
fileName.Text = "";
outPutText.Text = "";
start.Enabled = true;
convert.Enabled = true;
progressText.Text = "Hata oluþtu, dönüþtürme iþlemi devam ettirilemiyor";
}
}
protected void derenderGraph()
{
// Stop the graph if it is running (ignore errors)
if (mediaControl != null)
{
mediaControl.Stop();
}
// Free the preview window (ignore errors)
if (videoWindow != null)
{
videoWindow.put_Visible(DsHlp.OAFALSE);
videoWindow.put_Owner(IntPtr.Zero);
videoWindow = null;
}
// Remove the Resize event handler
if (PreviewWindow != null)
{
previewWindow.Resize -= new EventHandler(onPreviewWindowResize);
}
if ((int)graphState >= (int)GraphState.Rendered)
{
// Update the state
graphState = GraphState.Created;
isCaptureRendered = false;
isPreviewRendered = false;
// Disconnect all filters downstream of the
// video and audio devices. If we have a compressor
// then disconnect it, but don't remove it
if (videoDeviceFilter != null)
{
removeDownstream(videoDeviceFilter, (videoCompressor == null));
}
if (audioDeviceFilter != null)
{
removeDownstream(audioDeviceFilter, (audioCompressor == null));
}
// These filters should have been removed by the
// calls above. (Is there anyway to check?)
muxFilter = null;
fileWriterFilter = null;
}
}
/// <summary>
/// This method must be called to initialize the network sink. Make sure the SinkURL is properly populated before calling this method.
/// </summary>
protected void InitializeNetworkSink()
{
IFileSinkFilter fileSink = (IFileSinkFilter)_netSnk;
if (fileSink == null)
{
throw new Exception("IFileSourceFilter not found on LMNetSink");
}
_lmNetSnk = (ILMNetSnk)_netSnk;
AMMediaType mediaType = new AMMediaType();
mediaType.majorType = DirectShowLib.MediaType.Stream;
mediaType.subType = MediaSubType.Null;
int hr = fileSink.SetFileName(ClientURL, mediaType);
DsError.ThrowExceptionForHR(hr);
}
/// <summary>
/// initializes the sink
/// </summary>
protected virtual void InitializeNetworkSink()
{
IFileSinkFilter fileSink = (IFileSinkFilter)netSnk;
if (fileSink == null)
{
throw new Exception("IFileSourceFilter not found on LMNetSink");
}
lmNetSnk = (LMNetSnk)netSnk;
AMMediaType mediaType = new AMMediaType();
mediaType.majorType = MediaType.Stream;
mediaType.subType = MediaSubType.Null;
int hr = fileSink.SetFileName(this.SinkURL, mediaType);
DsError.ThrowExceptionForHR(hr);
}
/// <summary>Do the conversion from DVR-MS to WAV.</summary>
/// <returns>Null; ignored.</returns>
protected override object DoWork()
{
// Get the filter graph
object filterGraph = ClassId.CoCreateInstance(ClassId.FilterGraph);
DisposalCleanup.Add(filterGraph);
IGraphBuilder graph = (IGraphBuilder)filterGraph;
// Add the ASF writer and set the output name
IBaseFilter asfWriterFilter = (IBaseFilter)ClassId.CoCreateInstance(ClassId.WMAsfWriter);
DisposalCleanup.Add(asfWriterFilter);
graph.AddFilter(asfWriterFilter, null);
IFileSinkFilter sinkFilter = (IFileSinkFilter)asfWriterFilter;
sinkFilter.SetFileName(OutputFilePath, null);
// Set the profile to be used for conversion
if (_profilePath != null && _profilePath.Trim().Length > 0)
{
// Load the profile XML contents
string profileData;
using (StreamReader reader = new StreamReader(File.OpenRead(_profilePath)))
{
profileData = reader.ReadToEnd();
}
// Create an appropriate IWMProfile from the data
IWMProfileManager profileManager = ProfileManager.CreateInstance();
DisposalCleanup.Add(profileManager);
IntPtr wmProfile = profileManager.LoadProfileByData(profileData);
DisposalCleanup.Add(wmProfile);
// Set the profile on the writer
IConfigAsfWriter2 configWriter = (IConfigAsfWriter2)asfWriterFilter;
configWriter.ConfigureFilterUsingProfile(wmProfile);
}
// Add the source filter; should connect automatically through the appropriate transform filters
graph.RenderFile(InputFilePath, null);
// Run the graph to completion
RunGraph(graph, asfWriterFilter);
return(null);
}
/// <summary>Do the conversion from DVR-MS to WAV.</summary>
/// <returns>Null; ignored.</returns>
protected override object DoWork()
{
// Get the filter graph
object filterGraph = ClassId.CoCreateInstance(ClassId.FilterGraph);
DisposalCleanup.Add(filterGraph);
IGraphBuilder graph = (IGraphBuilder)filterGraph;
// Add the source filter for the dvr-ms file
IBaseFilter DvrmsSourceFilter = graph.AddSourceFilter(InputFilePath, null);
DisposalCleanup.Add(DvrmsSourceFilter);
// Add the file writer to the graph
IBaseFilter wavFilter = (IBaseFilter)ClassId.CoCreateInstance(ClassId.FileWriter);
DisposalCleanup.Add(wavFilter);
graph.AddFilter(wavFilter, null);
IFileSinkFilter sinkFilter = (IFileSinkFilter)wavFilter;
sinkFilter.SetFileName(OutputFilePath, null);
// Add the Wav Dest filter to the graph
IBaseFilter wavDest = (IBaseFilter)ClassId.CoCreateInstance(ClassId.WavDest);
DisposalCleanup.Add(wavDest);
graph.AddFilter(wavDest, null);
// Add the decrypter node to the graph
IBaseFilter decrypter = (IBaseFilter)ClassId.CoCreateInstance(ClassId.DecryptTag);
DisposalCleanup.Add(decrypter);
graph.AddFilter(decrypter, null);
// Connect the dvr-ms source to the decrypter, the decrypter to the wav dest,
// and the wav dest to the file writer
Connect(graph, DvrmsSourceFilter, "DVR Out - 1", decrypter, "In(Enc/Tag)");
Connect(graph, decrypter, "Out", wavDest, "In");
Connect(graph, wavDest, "Out", wavFilter, "in");
// Run the graph to convert the audio to wav
RunGraph(graph);
return(null);
}
private void Cleanup()
{
Log.Info("DVR2MPG: cleanup");
if (_rotEntry != null)
{
_rotEntry.SafeDispose();
}
_rotEntry = null;
if (mediaControl != null)
{
mediaControl.Stop();
mediaControl = null;
}
mediaSeeking = null;
mediaEvt = null;
mediaControl = null;
if (powerDvdMuxer != null)
{
DirectShowUtil.ReleaseComObject(powerDvdMuxer);
}
powerDvdMuxer = null;
if (fileWriterFilter != null)
{
DirectShowUtil.ReleaseComObject(fileWriterFilter);
}
fileWriterFilter = null;
if (bufferSource != null)
{
DirectShowUtil.ReleaseComObject(bufferSource);
}
bufferSource = null;
DirectShowUtil.RemoveFilters(graphBuilder);
if (graphBuilder != null)
{
DirectShowUtil.ReleaseComObject(graphBuilder);
}
graphBuilder = null;
}
public override void RenderCapture(string fileName)
{
//AVerMedia Encoder
//ITU Video--|
// |--MPEG2 Program
//I2S Audio--|
_encoderDevice = FindDevice(FilterCategory.WDMStreamingEncoderDevices, Config.FilterType.VideoEncoder);
if (_encoderDevice == null)
{
throw new Exception("Encoder device \"" + GraphConfig[FilterType.VideoEncoder].Name + "\" could not be loaded!");
}
if (_writerDevice == null)
{
throw new Exception("Writer device \"" + GraphConfig[FilterType.Writer].Name + "\" could not be loaded!");
}
//get filters from devices
_videoEncoder = AddFilterByDevicePath(_encoderDevice.DevicePath, _encoderDevice.Name);
_fileWriter = AddFilterByDevicePath(_writerDevice.DevicePath, _writerDevice.Name);
ConnectFilters(_captureFilter, "ITU Video", _videoEncoder, "ITU Video", false);
ConnectFilters(_captureFilter, "I2S Audio", _videoEncoder, "I2S Audio", false);
ConnectFilters(_videoEncoder, "MPEG2 Program", _fileWriter, "Input", false);
//configure File Sink / File Writer
IFileSinkFilter fileSink = (IFileSinkFilter)_fileWriter;
int hr = fileSink.SetFileName(fileName + ".mpg", _emptyAMMediaType);
if (hr != 0)
{
this.CaptureRequiresNewGraph = true;
}
DsError.ThrowExceptionForHR(hr);
StartDVRWriter(_fileWriter);
this.SaveGraphFile();
}
public override void RenderCapture(string fileName)
{
//add new filters
r_oggMux = FilterGraphTools.AddFilterByName(_graphBuilder, FilterCategory.LegacyAmFilterCategory, "LEAD Ogg Multiplexer");
if (r_oggMux == null)
{
throw new Exception("Could not instantiate OGG Multiplexer!");
}
_fileWriter = FilterGraphTools.AddFilterByName(_graphBuilder, FilterCategory.LegacyAmFilterCategory, GraphConfig[FilterType.Writer].Name);
if (_fileWriter == null)
{
throw new Exception("Could not instatiate \"" + GraphConfig[FilterType.Writer].Name + "\"!");
}
//and path to OGG mux
ConnectFilters(r_videoTee, VideoTeeOutputName, r_oggMux, "Stream 0", false);
//path to OGG mux
ConnectFilters(r_audioTee, AudioTeeOutputName, r_oggMux, "Stream 1", false);
//configure File Sink / File Writer
IFileSinkFilter fileSink = (IFileSinkFilter)_fileWriter;
int hr = fileSink.SetFileName(fileName + ".ogm", _emptyAMMediaType);
if (hr != 0)
{
this.CaptureRequiresNewGraph = true;
}
DsError.ThrowExceptionForHR(hr);
StartDVRWriter(_fileWriter);
ConnectFilters(r_oggMux, "Ogg Stream", _fileWriter, GraphConfig[FilterType.Writer].InPin[0], false);
CaptureRequiresNewGraph = false;
this.SaveGraphFile();
}
/// <summary>
/// Build a graph for capturing video
/// </summary>
/// <param name="sinkPath">Save path for the captured video</param>
private void BuildGraph(string sinkPath)
{
///Add the capture filter in graph
this._graphBuilder.AddFilter(this._captureFilter, "Video Capture");
IFileSinkFilter sink = null;
int hr = this._captureBuilder.SetOutputFileName(MediaSubType.Avi, sinkPath, out this._mux, out sink);
///Create a sample grabber filter. Sample grabber filter provides callback
///for application to grab video frames on the fly.
this._sampleGrabber = (ISampleGrabber) new SampleGrabber();
///Configure the sample grabber
base.ConfigureSampleGrabber(this._sampleGrabber, MediaSubType.RGB24);
this._graphBuilder.AddFilter((IBaseFilter)this._sampleGrabber, "SampleGrabber");
///Stream to file
hr = this._captureBuilder.RenderStream(PinCategory.Capture, MediaType.Video, this._captureFilter, (IBaseFilter)this._sampleGrabber, this._mux);
///preview window
hr = this._captureBuilder.RenderStream(PinCategory.Preview, MediaType.Video, this._captureFilter, null, null);
}
public static IBaseFilter RenderAviDestination(DisposalCleanup dc, ICaptureGraphBuilder2 graphBuilder,
string outputFile)
{
if (dc == null)
{
throw new ArgumentNullException("dc");
}
if (graphBuilder == null)
{
throw new ArgumentNullException("graphBuilder");
}
if (string.IsNullOrEmpty(outputFile))
{
throw new ArgumentNullException("outputFile");
}
int hr = 0;
// Create the file writer
IBaseFilter multiplexer;
IFileSinkFilter filter = null;
try
{
hr = graphBuilder.SetOutputFileName(MediaSubType.Avi, outputFile, out multiplexer, out filter);
dc.Add(multiplexer);
DESError.ThrowExceptionForHR(hr);
}
finally
{
if (filter != null)
{
Marshal.ReleaseComObject(filter);
}
}
return(multiplexer);
}
public static IBaseFilter RenderAviDest(DisposalCleanup dc, ICaptureGraphBuilder2 icgb, string outputFile)
{
int hr = 0;
// Create the file writer
IBaseFilter pMux;
IFileSinkFilter pFilter = null;
try
{
hr = icgb.SetOutputFileName(MediaSubType.Avi, outputFile, out pMux, out pFilter);
dc.Add(pMux);
DESError.ThrowExceptionForHR(hr);
}
finally
{
if (pFilter != null)
{
Marshal.ReleaseComObject(pFilter);
}
}
return(pMux);
}
public bool Transcode(TranscodeInfo info, MediaPortal.Core.Transcoding.VideoFormat format,
MediaPortal.Core.Transcoding.Quality quality, Standard standard)
{
if (!Supports(format)) return false;
string ext = System.IO.Path.GetExtension(info.file);
if (ext.ToLower() != ".dvr-ms" && ext.ToLower() != ".sbe") return false;
//Type comtype = null;
//object comobj = null;
try
{
Log.Info("DVR2MPG: create graph");
graphBuilder = (IGraphBuilder)new FilterGraph();
_rotEntry = new DsROTEntry((IFilterGraph)graphBuilder);
Log.Info("DVR2MPG: add streambuffersource");
bufferSource = (IStreamBufferSource)new StreamBufferSource();
IBaseFilter filter = (IBaseFilter)bufferSource;
graphBuilder.AddFilter(filter, "SBE SOURCE");
Log.Info("DVR2MPG: load file:{0}", info.file);
IFileSourceFilter fileSource = (IFileSourceFilter)bufferSource;
int hr = fileSource.Load(info.file, null);
Log.Info("DVR2MPG: Add Cyberlink MPEG2 multiplexer to graph");
string monikerPowerDvdMuxer =
@"@device:sw:{083863F1-70DE-11D0-BD40-00A0C911CE86}\{7F2BBEAF-E11C-4D39-90E8-938FB5A86045}";
powerDvdMuxer = Marshal.BindToMoniker(monikerPowerDvdMuxer) as IBaseFilter;
if (powerDvdMuxer == null)
{
Log.Warn("DVR2MPG: FAILED:Unable to create Cyberlink MPEG Muxer (PowerDVD)");
Cleanup();
return false;
}
hr = graphBuilder.AddFilter(powerDvdMuxer, "PDR MPEG Muxer");
if (hr != 0)
{
Log.Warn("DVR2MPG: FAILED:Add Cyberlink MPEG Muxer to filtergraph :0x{0:X}", hr);
Cleanup();
return false;
}
//add filewriter
Log.Info("DVR2MPG: Add FileWriter to graph");
string monikerFileWrite =
@"@device:sw:{083863F1-70DE-11D0-BD40-00A0C911CE86}\{3E8868CB-5FE8-402C-AA90-CB1AC6AE3240}";
IBaseFilter fileWriterbase = Marshal.BindToMoniker(monikerFileWrite) as IBaseFilter;
if (fileWriterbase == null)
{
Log.Warn("DVR2MPG: FAILED:Unable to create FileWriter");
Cleanup();
return false;
}
fileWriterFilter = fileWriterbase as IFileSinkFilter;
if (fileWriterFilter == null)
{
Log.Warn("DVR2MPG: FAILED:Add unable to get IFileSinkFilter for filewriter");
Cleanup();
return false;
}
hr = graphBuilder.AddFilter(fileWriterbase, "FileWriter");
if (hr != 0)
{
Log.Warn("DVR2MPG: FAILED:Add FileWriter to filtergraph :0x{0:X}", hr);
Cleanup();
return false;
}
//connect output #0 of streambuffer source->powerdvd audio in
//connect output #1 of streambuffer source->powerdvd video in
Log.Info("DVR2MPG: connect streambuffer->multiplexer");
IPin pinOut0, pinOut1;
IPin pinIn0, pinIn1;
pinOut0 = DsFindPin.ByDirection((IBaseFilter)bufferSource, PinDirection.Output, 0);
pinOut1 = DsFindPin.ByDirection((IBaseFilter)bufferSource, PinDirection.Output, 1);
pinIn0 = DsFindPin.ByDirection(powerDvdMuxer, PinDirection.Input, 0);
pinIn1 = DsFindPin.ByDirection(powerDvdMuxer, PinDirection.Input, 1);
if (pinOut0 == null || pinOut1 == null || pinIn0 == null || pinIn1 == null)
{
Log.Warn("DVR2MPG: FAILED:unable to get pins of muxer&source");
Cleanup();
return false;
}
bool usingAc3 = false;
AMMediaType amAudio = new AMMediaType();
amAudio.majorType = MediaType.Audio;
amAudio.subType = MediaSubType.Mpeg2Audio;
hr = pinOut0.Connect(pinIn1, amAudio);
if (hr != 0)
{
amAudio.subType = MediaSubType.DolbyAC3;
hr = pinOut0.Connect(pinIn1, amAudio);
usingAc3 = true;
}
if (hr != 0)
{
Log.Warn("DVR2MPG: FAILED: unable to connect audio pins: 0x{0:X}", hr);
Cleanup();
return false;
}
if (usingAc3)
Log.Info("DVR2MPG: using AC3 audio");
else
Log.Info("DVR2MPG: using MPEG audio");
AMMediaType amVideo = new AMMediaType();
amVideo.majorType = MediaType.Video;
amVideo.subType = MediaSubType.Mpeg2Video;
hr = pinOut1.Connect(pinIn0, amVideo);
if (hr != 0)
{
Log.Warn("DVR2MPG: FAILED: unable to connect video pins: 0x{0:X}", hr);
Cleanup();
return false;
}
//connect output of powerdvd muxer->input of filewriter
Log.Info("DVR2MPG: connect multiplexer->filewriter");
IPin pinOut, pinIn;
pinOut = DsFindPin.ByDirection(powerDvdMuxer, PinDirection.Output, 0);
if (pinOut == null)
{
Log.Warn("DVR2MPG: FAILED:cannot get output pin of Cyberlink MPEG muxer :0x{0:X}", hr);
Cleanup();
return false;
}
pinIn = DsFindPin.ByDirection(fileWriterbase, PinDirection.Input, 0);
if (pinIn == null)
{
Log.Warn("DVR2MPG: FAILED:cannot get input pin of Filewriter :0x{0:X}", hr);
Cleanup();
return false;
}
AMMediaType mt = new AMMediaType();
hr = pinOut.Connect(pinIn, mt);
if (hr != 0)
{
Log.Warn("DVR2MPG: FAILED:connect muxer->filewriter :0x{0:X}", hr);
Cleanup();
return false;
}
//set output filename
string outputFileName = System.IO.Path.ChangeExtension(info.file, ".mpg");
Log.Info("DVR2MPG: set output file to :{0}", outputFileName);
mt.majorType = MediaType.Stream;
mt.subType = MediaSubTypeEx.MPEG2;
hr = fileWriterFilter.SetFileName(outputFileName, mt);
if (hr != 0)
{
Log.Warn("DVR2MPG: FAILED:unable to set filename for filewriter :0x{0:X}", hr);
Cleanup();
return false;
}
mediaControl = graphBuilder as IMediaControl;
mediaSeeking = graphBuilder as IMediaSeeking;
mediaEvt = graphBuilder as IMediaEventEx;
Log.Info("DVR2MPG: start transcoding");
hr = mediaControl.Run();
if (hr != 0)
{
Log.Warn("DVR2MPG: FAILED:unable to start graph :0x{0:X}", hr);
Cleanup();
return false;
}
}
catch (Exception ex)
{
Log.Error("DVR2MPG: Unable create graph: {0}", ex.Message);
Cleanup();
return false;
}
return true;
}
private void Cleanup()
{
Log.Info("DVR2MPG: cleanup");
if (_rotEntry != null)
{
_rotEntry.SafeDispose();
}
_rotEntry = null;
if (mediaControl != null)
{
mediaControl.Stop();
mediaControl = null;
}
mediaSeeking = null;
mediaEvt = null;
mediaControl = null;
if (powerDvdMuxer != null)
DirectShowUtil.ReleaseComObject(powerDvdMuxer);
powerDvdMuxer = null;
if (fileWriterFilter != null)
DirectShowUtil.ReleaseComObject(fileWriterFilter);
fileWriterFilter = null;
if (bufferSource != null)
DirectShowUtil.ReleaseComObject(bufferSource);
bufferSource = null;
DirectShowUtil.RemoveFilters(graphBuilder);
if (graphBuilder != null)
DirectShowUtil.ReleaseComObject(graphBuilder);
graphBuilder = null;
}
/// <summary>
/// グラフの生成
/// </summary>
/// <param name="output_file">出力ファイル</param>
public virtual void Setup(string output_file)
{
this.Dispose();
try
{
CxDSCameraParam param = this.Param;
// グラフビルダー.
// CoCreateInstance
GraphBuilder = (IGraphBuilder)Activator.CreateInstance(Type.GetTypeFromCLSID(new Guid(GUID.CLSID_FilterGraph)));
#region フィルタ追加.
// 画像入力フィルタ.
IBaseFilter capture = CreateVideoCapture(param);
if (capture == null)
throw new System.IO.IOException();
this.GraphBuilder.AddFilter(capture, "CaptureFilter");
IPin capture_out = DSLab.Axi.FindPin(capture, 0, PIN_DIRECTION.PINDIR_OUTPUT);
this.CaptureFilter = capture;
this.CaptureOutPin = capture_out;
// サンプルグラバー.
IBaseFilter grabber = (IBaseFilter)CreateSampleGrabber();
if (grabber == null)
throw new System.IO.IOException();
this.GraphBuilder.AddFilter(grabber, "SampleGrabber");
this.SampleGrabber = (ISampleGrabber)grabber;
#endregion
#region キャプチャビルダー:
{
int hr = 0;
CaptureBuilder = (ICaptureGraphBuilder2)Activator.CreateInstance(Type.GetTypeFromCLSID(new Guid(GUID.CLSID_CaptureGraphBuilder2)));
hr = CaptureBuilder.SetFiltergraph(GraphBuilder);
if (string.IsNullOrEmpty(output_file))
{
// レンダラー.
IBaseFilter renderer = null;
renderer = (IBaseFilter)Activator.CreateInstance(Type.GetTypeFromCLSID(new Guid(GUID.CLSID_NullRenderer)));
if (renderer == null)
throw new System.IO.IOException();
this.GraphBuilder.AddFilter(renderer, "Renderer");
this.Renderer = renderer;
#if true
// IGraphBuilder.Connect の代わりに ICaptureGraphBuilder2.RenderStream を使用する.
// fig) [capture]-out->-in-[sample grabber]-out->-in-[null render]
hr = CaptureBuilder.RenderStream(new Guid(GUID.PIN_CATEGORY_CAPTURE), new Guid(GUID.MEDIATYPE_Video), capture, grabber, renderer);
#else
// ピンの取得.
IPin grabber_in = DSLab.Axi.FindPin(grabber, 0, PIN_DIRECTION.PINDIR_INPUT);
IPin grabber_out = DSLab.Axi.FindPin(grabber, 0, PIN_DIRECTION.PINDIR_OUTPUT);
IPin renderer_in = DSLab.Axi.FindPin(renderer, 0, PIN_DIRECTION.PINDIR_INPUT);
// ピンの接続.
GraphBuilder.Connect(capture_out, grabber_in);
GraphBuilder.Connect(grabber_out, renderer_in);
// ピンの保管.
//SampleGrabberInPin = grabber_in;
//SampleGrabberOutPin = grabber_out;
//RendererInPin = renderer_in;
#endif
}
else
{
IBaseFilter mux = null;
IFileSinkFilter sync = null;
hr = CaptureBuilder.SetOutputFileName(new Guid(GUID.MEDIASUBTYPE_Avi), output_file, ref mux, ref sync);
hr = CaptureBuilder.RenderStream(new Guid(GUID.PIN_CATEGORY_CAPTURE), new Guid(GUID.MEDIATYPE_Video), capture, grabber, mux);
this.Mux = mux;
this.Sync = sync;
}
}
#endregion
#region 保管: フレームサイズ.
VIDEOINFOHEADER vinfo = DSLab.Axi.GetVideoInfo(SampleGrabber);
this.SampleGrabberCB.BitmapInfo = vinfo.bmiHeader;
this.SampleGrabberCB.FrameSize = new Size(
System.Math.Abs(this.SampleGrabberCB.BitmapInfo.biWidth),
System.Math.Abs(this.SampleGrabberCB.BitmapInfo.biHeight)
);
#endregion
#region 保管: デバイス名称.
try
{
if (string.IsNullOrEmpty(param.FilterInfo.Name) == false)
{
this.DeviceName = param.FilterInfo.Name;
}
else
{
int filter_index = param.FilterInfo.Index;
List<DSLab.CxDSFilterInfo> filters = DSLab.Axi.GetFilterList(DSLab.GUID.CLSID_VideoInputDeviceCategory);
if (0 <= filter_index && filter_index < filters.Count)
{
this.DeviceName = filters[filter_index].Name;
}
}
}
catch (System.Exception)
{
this.DeviceName = "";
}
#endregion
// DEBUG
#if DEBUG
DebugPrint(this.GraphBuilder);
#endif
}
catch (Exception ex)
{
this.Dispose();
throw new DSLab.CxDSException(ex);
}
}
/// <summary>
/// 解放
/// </summary>
public virtual void Dispose()
{
try
{
Stop();
}
catch (Exception)
{
}
DeviceName = "";
SampleGrabberCB.FrameSize = new Size(0, 0);
SampleGrabberCB.Notify -= SampleGrabberCB_Notify;
CaptureFilter = null;
CaptureOutPin = null;
SampleGrabber = null;
Renderer = null;
Mux = null;
Sync = null;
if (CaptureBuilder != null)
Marshal.ReleaseComObject(CaptureBuilder);
CaptureBuilder = null;
if (GraphBuilder != null)
Marshal.ReleaseComObject(GraphBuilder);
GraphBuilder = null;
}
/// <summary>
/// Disconnect and remove all filters except the device
/// and compressor filters. This is the opposite of
/// renderGraph(). Soem properties such as FrameRate
/// can only be set when the device output pins are not
/// connected.
/// </summary>
protected void derenderGraph()
{
// Stop the graph if it is running (ignore errors)
if ( mediaControl != null )
mediaControl.Stop();
// Free the preview window (ignore errors)
if ( videoWindow != null )
{
videoWindow.put_Visible( DsHlp.OAFALSE );
videoWindow.put_Owner( IntPtr.Zero );
videoWindow = null;
}
//ELIMINAR RECURSOS CAPTURA <<<<<<<<<================================================
/*if ( mediaEvt != null )
{
int hr = mediaEvt.SetNotifyWindow( IntPtr.Zero, WM_GRAPHNOTIFY, IntPtr.Zero );
mediaEvt = null;
}*/
// Remove the Resize event handler
if ( PreviewWindow != null )
previewWindow.Resize -= new EventHandler( onPreviewWindowResize );
if ( (int)graphState >= (int)GraphState.Rendered )
{
// Update the state
graphState = GraphState.Created;
isCaptureRendered = false;
isPreviewRendered = false;
// Disconnect all filters downstream of the
// video and audio devices. If we have a compressor
// then disconnect it, but don't remove it
if ( videoDeviceFilter != null )
removeDownstream( videoDeviceFilter, (videoCompressor==null) );
if ( audioDeviceFilter != null )
removeDownstream( audioDeviceFilter, (audioCompressor==null) );
// These filters should have been removed by the
// calls above. (Is there anyway to check?)
muxFilter = null;
fileWriterFilter = null;
//ELIMINAR RECURSOS CAPTURA <<<<<<<<<================================================
baseGrabFlt = null;
}
}
/// <summary>
/// Dispose the resources used by this capture class.
/// Stops the graph first.
/// </summary>
public void Dispose()
{
// Stop the graph if it is running (ignore errors)
this.Stop();
// Free the preview window (ignore errors)
if (videoWindow != null)
{
videoWindow.put_Visible(OABool.False);
videoWindow.put_Owner(IntPtr.Zero);
videoWindow = null;
}
// Remove the Resize event handler
if (this.captureDeviceProperties.PreviewWindow != null)
{
this.captureDeviceProperties.PreviewWindow.Resize -= new EventHandler(onPreviewWindowResize);
}
#if DEBUG
// Remove graph from the ROT
if (rotCookie != null)
{
rotCookie.Dispose();
rotCookie = null;
}
#endif
// Cleanup
if (graphBuilder != null)
{
Marshal.ReleaseComObject(graphBuilder);
graphBuilder = null;
}
if (captureGraphBuilder != null)
{
Marshal.ReleaseComObject(captureGraphBuilder);
captureGraphBuilder = null;
}
if (muxFilter != null)
{
Marshal.ReleaseComObject(muxFilter);
muxFilter = null;
}
if (fileWriterFilter != null)
{
Marshal.ReleaseComObject(fileWriterFilter);
fileWriterFilter = null;
}
if (this.videoStreamConfig != null)
{
Marshal.ReleaseComObject(videoStreamConfig);
videoStreamConfig = null;
}
if (this.referenceClock != null)
{
Marshal.ReleaseComObject(referenceClock);
referenceClock = null;
}
if (this.VideoDeviceFilter != null)
{
Marshal.ReleaseComObject(VideoDeviceFilter);
VideoDeviceFilter = null;
}
if (this.AudioDeviceFilter != null)
{
Marshal.ReleaseComObject(AudioDeviceFilter);
AudioDeviceFilter = null;
}
if (this.VideoCompressorFilter != null)
{
Marshal.ReleaseComObject(VideoCompressorFilter);
VideoCompressorFilter = null;
}
if (this.AudioCompressorFilter != null)
{
Marshal.ReleaseComObject(AudioCompressorFilter);
AudioCompressorFilter = null;
}
// These are copies of graphBuilder
mediaControl = null;
videoWindow = null;
this.HasValidGraph = false;
// For unmanaged objects we haven't released explicitly
GC.Collect();
}
/// <summary>
/// Completely tear down a filter graph and
/// release all associated resources.
/// </summary>
protected void destroyGraph()
{
// Derender the graph (This will stop the graph
// and release preview window. It also destroys
// half of the graph which is unnecessary but
// harmless here.) (ignore errors)
try{ derenderGraph(); } catch {}
// Update the state after derender because it
// depends on correct status. But we also want to
// update the state as early as possible in case
// of error.
graphState = GraphState.Null;
isCaptureRendered = false;
isPreviewRendered = false;
// Remove graph from the ROT
#if DSHOWNET
if ( rotCookie != 0 )
{
DsROT.RemoveGraphFromRot( ref rotCookie );
rotCookie = 0;
}
#else
if (rotCookie != null)
{
rotCookie.Dispose();
rotCookie = null;
}
#endif
// Remove filters from the graph
// This should be unnecessary but the Nvidia WDM
// video driver cannot be used by this application
// again unless we remove it. Ideally, we should
// simply enumerate all the filters in the graph
// and remove them. (ignore errors)
if ( muxFilter != null )
graphBuilder.RemoveFilter( muxFilter );
if ( videoCompressorFilter != null )
graphBuilder.RemoveFilter( videoCompressorFilter );
if ( audioCompressorFilter != null )
graphBuilder.RemoveFilter( audioCompressorFilter );
if ( videoDeviceFilter != null )
graphBuilder.RemoveFilter( videoDeviceFilter );
if ( audioDeviceFilter != null )
graphBuilder.RemoveFilter( audioDeviceFilter );
if(this.videoRendererFilter != null)
{
this.graphBuilder.RemoveFilter(this.videoRendererFilter);
}
// Clean up properties
if ( videoSources != null )
videoSources.Dispose(); videoSources = null;
if ( audioSources != null )
audioSources.Dispose(); audioSources = null;
this.PropertyPages = null; // Disposal done within PropertyPages
if ( tuner != null )
tuner.Dispose(); tuner = null;
// #if NEWCODE
if(this.tvAudio != null)
{
Marshal.ReleaseComObject(this.tvAudio); tvAudio = null;
}
if(this.dxUtils != null)
{
this.dxUtils.Dispose();
this.dxUtils = null;
}
// #endif
// Cleanup
if ( graphBuilder != null )
Marshal.ReleaseComObject( graphBuilder ); graphBuilder = null;
if ( captureGraphBuilder != null )
Marshal.ReleaseComObject( captureGraphBuilder ); captureGraphBuilder = null;
if ( muxFilter != null )
Marshal.ReleaseComObject( muxFilter ); muxFilter = null;
if ( fileWriterFilter != null )
Marshal.ReleaseComObject( fileWriterFilter ); fileWriterFilter = null;
if ( videoDeviceFilter != null )
Marshal.ReleaseComObject( videoDeviceFilter ); videoDeviceFilter = null;
if ( audioDeviceFilter != null )
Marshal.ReleaseComObject( audioDeviceFilter ); audioDeviceFilter = null;
if ( videoCompressorFilter != null )
Marshal.ReleaseComObject( videoCompressorFilter ); videoCompressorFilter = null;
if ( audioCompressorFilter != null )
Marshal.ReleaseComObject( audioCompressorFilter ); audioCompressorFilter = null;
// #if NEWCODE
this.DisposeSampleGrabber();
// #endif
if(this.videoRendererFilter != null)
{
Marshal.ReleaseComObject(this.videoRendererFilter); this.videoRendererFilter = null;
}
// These are copies of graphBuilder
mediaControl = null;
videoWindow = null;
// For unmanaged objects we haven't released explicitly
GC.Collect();
}
/// <summary>
/// Disconnect and remove all filters except the device
/// and compressor filters. This is the opposite of
/// renderGraph(). Soem properties such as FrameRate
/// can only be set when the device output pins are not
/// connected.
/// </summary>
protected void derenderGraph()
{
// Stop the graph if it is running (ignore errors)
if ( mediaControl != null )
mediaControl.Stop();
// Free the preview window (ignore errors)
if ( videoWindow != null )
{
#if DSHOWNET
videoWindow.put_Visible(DsHlp.OAFALSE);
#else
videoWindow.put_Visible(OABool.False);
#endif
videoWindow.put_Owner( IntPtr.Zero );
videoWindow = null;
}
// Remove the Resize event handler
if ( PreviewWindow != null )
previewWindow.Resize -= new EventHandler( onPreviewWindowResize );
if ( (int)graphState >= (int)GraphState.Rendered )
{
// Update the state
graphState = GraphState.Created;
isCaptureRendered = false;
isPreviewRendered = false;
// Disconnect all filters downstream of the
// video and audio devices. If we have a compressor
// then disconnect it, but don't remove it
if (videoDeviceFilter != null)
{
try
{
removeDownstream(videoDeviceFilter, (videoCompressor == null));
}
catch
{
Debug.WriteLine("Error removeDownstream videoDeviceFilter");
}
}
if (audioDeviceFilter != null)
{
try
{
removeDownstream(audioDeviceFilter, (audioCompressor == null));
}
catch
{
Debug.WriteLine("Error removeDownstream audioDeviceFilter");
}
}
// These filters should have been removed by the
// calls above. (Is there anyway to check?)
muxFilter = null;
fileWriterFilter = null;
this.videoRendererFilter = null;
this.deInterlaceFilter = null;
}
}
protected void destroyGraph()
{
try
{
this.derenderGraph();
}
catch
{
}
this.graphState = GraphState.Null;
this.isCaptureRendered = false;
this.isPreviewRendered = false;
if (this.rotCookie != 0)
{
DsROT.RemoveGraphFromRot(ref this.rotCookie);
this.rotCookie = 0;
}
if (this.muxFilter != null)
{
this.graphBuilder.RemoveFilter(this.muxFilter);
}
if (this.videoCompressorFilter != null)
{
this.graphBuilder.RemoveFilter(this.videoCompressorFilter);
}
if (this.audioCompressorFilter != null)
{
this.graphBuilder.RemoveFilter(this.audioCompressorFilter);
}
if (this.videoDeviceFilter != null)
{
this.graphBuilder.RemoveFilter(this.videoDeviceFilter);
}
if (this.audioDeviceFilter != null)
{
this.graphBuilder.RemoveFilter(this.audioDeviceFilter);
}
if (this.videoSources != null)
{
this.videoSources.Dispose();
}
this.videoSources = null;
if (this.audioSources != null)
{
this.audioSources.Dispose();
}
this.audioSources = null;
if (this.propertyPages != null)
{
this.propertyPages.Dispose();
}
this.propertyPages = null;
if (this.tuner != null)
{
this.tuner.Dispose();
}
this.tuner = null;
if (this.graphBuilder != null)
{
Marshal.ReleaseComObject(this.graphBuilder);
}
this.graphBuilder = null;
if (this.captureGraphBuilder != null)
{
Marshal.ReleaseComObject(this.captureGraphBuilder);
}
this.captureGraphBuilder = null;
if (this.muxFilter != null)
{
Marshal.ReleaseComObject(this.muxFilter);
}
this.muxFilter = null;
if (this.fileWriterFilter != null)
{
Marshal.ReleaseComObject(this.fileWriterFilter);
}
this.fileWriterFilter = null;
if (this.videoDeviceFilter != null)
{
Marshal.ReleaseComObject(this.videoDeviceFilter);
}
this.videoDeviceFilter = null;
if (this.audioDeviceFilter != null)
{
Marshal.ReleaseComObject(this.audioDeviceFilter);
}
this.audioDeviceFilter = null;
if (this.videoCompressorFilter != null)
{
Marshal.ReleaseComObject(this.videoCompressorFilter);
}
this.videoCompressorFilter = null;
if (this.audioCompressorFilter != null)
{
Marshal.ReleaseComObject(this.audioCompressorFilter);
}
this.audioCompressorFilter = null;
this.mediaControl = null;
this.videoWindow = null;
GC.Collect();
}
/// <summary>
/// Disconnect and remove all filters except the device
/// and compressor filters. This is the opposite of
/// renderGraph(). Soem properties such as FrameRate
/// can only be set when the device output pins are not
/// connected.
/// </summary>
private void derenderGraph()
{
// Stop the graph if it is running (ignore errors)
if (_mediaControl != null)
_mediaControl.Stop();
// Free the preview window (ignore errors)
if (_videoWindow != null)
{
_videoWindow.put_Visible(OABool.False);
_videoWindow.put_Owner(IntPtr.Zero);
_videoWindow = null;
}
// Remove the Resize event handler
if (PreviewWindow != null)
_previewWindow.Resize -= new EventHandler(onPreviewWindowResize);
if ((int)_graphState >= (int)GraphState.Rendered)
{
// Update the state
_graphState = GraphState.Created;
_isCaptureRendered = false;
_isPreviewRendered = false;
// Disconnect all filters downstream of the
// video and audio devices. If we have a compressor
// then disconnect it, but don't remove it
if (_videoDeviceFilter != null)
removeDownstream(_videoDeviceFilter, (_videoCompressor == null));
if (_audioDeviceFilter != null)
removeDownstream(_audioDeviceFilter, (_audioCompressor == null));
// These filters should have been removed by the
// calls above. (Is there anyway to check?)
_muxFilter = null;
_fileWriterFilter = null;
}
}
/// <summary>Runs the graph</summary>
/// <param name="graphBuilder">The graph to be run.</param>
/// <param name="seekableFilter">The filter to use for computing percent complete. Must implement IMediaSeeking.</param>
protected void RunGraph(IGraphBuilder graphBuilder, IFileSinkFilter seekableFilter)
{
RunGraph(graphBuilder, (IBaseFilter)seekableFilter);
}
public override void Stop()
{
if (this.receiveStreams.Count > 0)
{
Log.WriteLine("cannot stop since there are other receivers");
return;
}
if (this.working)
{
Log.WriteLine("stopping........");
try
{
if (!object.Equals(graphBuilder, null))
{
int hr = (this.graphBuilder as IMediaControl).StopWhenReady();
hr = (this.graphBuilder as IMediaControl).Stop();
}
FilterGraphTools.RemoveAllFilters(this.graphBuilder);
if (!object.Equals(this.sink, null)) Marshal.ReleaseComObject(sink); this.sink = null;
if (!object.Equals(this.fileDump, null)) Marshal.ReleaseComObject(this.fileDump); this.fileDump = null;
if (!object.Equals(this.graphBuilder, null)) Marshal.ReleaseComObject(this.graphBuilder); this.graphBuilder = null;
}
catch { }
}
base.Stop();
}
private void SetSaveFile(string filename)
{
fileDump = FilterGraphTools.FindFilterByName(graphBuilder, dumpFilterName);
if (object.Equals(fileDump, null))
throw new System.Exception("Couldn't find dump filter in filter graph: " + dumpFilterName);
sink = fileDump as IFileSinkFilter;
AMMediaType media = new AMMediaType();
media.majorType = MediaType.Video;
media.subType = MediaSubType.Mpeg2Transport;
media.formatType = FormatType.VideoInfo;
int hr = sink.SetFileName(filename, media);
DsError.ThrowExceptionForHR(hr);
}
/// <summary>
/// Completely tear down a filter graph and
/// release all associated resources.
/// </summary>
private void destroyGraph()
{
// Derender the graph (This will stop the graph
// and release preview window. It also destroys
// half of the graph which is unnecessary but
// harmless here.) (ignore errors)
try
{
derenderGraph();
}
catch { }
// Update the state after derender because it
// depends on correct status. But we also want to
// update the state as early as possible in case
// of error.
_graphState = GraphState.Null;
_isCaptureRendered = false;
_isPreviewRendered = false;
// Remove graph from the ROT
//if (_rotCookie != 0)
//{
// DsROT.RemoveGraphFromRot(ref _rotCookie);
// _rotCookie = 0;
//}
// Remove filters from the graph
// This should be unnecessary but the Nvidia WDM
// video driver cannot be used by this application
// again unless we remove it. Ideally, we should
// simply enumerate all the filters in the graph
// and remove them. (ignore errors)
if (_muxFilter != null)
_graphBuilder.RemoveFilter(_muxFilter);
if (_videoCompressorFilter != null)
_graphBuilder.RemoveFilter(_videoCompressorFilter);
if (_audioCompressorFilter != null)
_graphBuilder.RemoveFilter(_audioCompressorFilter);
if (_videoDeviceFilter != null)
_graphBuilder.RemoveFilter(_videoDeviceFilter);
if (_audioDeviceFilter != null)
_graphBuilder.RemoveFilter(_audioDeviceFilter);
// Clean up properties
if (_videoSources != null)
_videoSources.Dispose();
_videoSources = null;
if (_audioSources != null)
_audioSources.Dispose();
_audioSources = null;
if (_propertyPages != null)
_propertyPages.Dispose();
_propertyPages = null;
if (Tuner != null)
Tuner.Dispose();
Tuner = null;
// Cleanup
if (_graphBuilder != null)
Marshal.ReleaseComObject(_graphBuilder);
_graphBuilder = null;
if (_captureGraphBuilder != null)
Marshal.ReleaseComObject(_captureGraphBuilder);
_captureGraphBuilder = null;
if (_muxFilter != null)
Marshal.ReleaseComObject(_muxFilter);
_muxFilter = null;
if (_fileWriterFilter != null)
Marshal.ReleaseComObject(_fileWriterFilter);
_fileWriterFilter = null;
if (_videoDeviceFilter != null)
Marshal.ReleaseComObject(_videoDeviceFilter);
_videoDeviceFilter = null;
if (_audioDeviceFilter != null)
Marshal.ReleaseComObject(_audioDeviceFilter);
_audioDeviceFilter = null;
if (_videoCompressorFilter != null)
Marshal.ReleaseComObject(_videoCompressorFilter);
_videoCompressorFilter = null;
if (_audioCompressorFilter != null)
Marshal.ReleaseComObject(_audioCompressorFilter);
_audioCompressorFilter = null;
// These are copies of graphBuilder
_mediaControl = null;
_videoWindow = null;
// For unmanaged objects we haven't released explicitly
GC.Collect();
}
protected void derenderGraph()
{
if (this.mediaControl != null)
{
this.mediaControl.Stop();
}
if (this.videoWindow != null)
{
this.videoWindow.put_Visible(0);
this.videoWindow.put_Owner(IntPtr.Zero);
this.videoWindow = null;
}
if (this.PreviewWindow != null)
{
this.previewWindow.Resize -= new EventHandler(this.onPreviewWindowResize);
}
if (this.graphState >= GraphState.Rendered)
{
this.graphState = GraphState.Created;
this.isCaptureRendered = false;
this.isPreviewRendered = false;
if (this.videoDeviceFilter != null)
{
this.removeDownstream(this.videoDeviceFilter, this.videoCompressor == null);
}
if (this.audioDeviceFilter != null)
{
this.removeDownstream(this.audioDeviceFilter, this.audioCompressor == null);
}
this.muxFilter = null;
this.fileWriterFilter = null;
}
}
/// <summary>
/// Calls Stop, releases all references. If a capture is in progress
/// it will be stopped, but the CaptureComplete event will NOT fire.
/// </summary>
public void Dispose()
{
try
{
#if DEBUG
// Remove graph from the ROT
if (this.rotCookie != null)
{
this.rotCookie.Dispose();
this.rotCookie = null;
}
#endif
// Free the preview window (ignore errors)
if (this.videoWindow != null)
{
this.videoWindow.put_Visible(OABool.False);
this.videoWindow.put_Owner(IntPtr.Zero);
this.videoWindow = null;
}
// Remove the Resize event handler
if (this.previewWindow != null)
{
this.previewWindow.Resize -= new EventHandler(this.onPreviewWindowResize);
}
// Cleanup
if (this.graphBuilder != null)
{
Marshal.ReleaseComObject(this.graphBuilder);
this.graphBuilder = null;
// These are copies of graphBuilder
this.mediaControl = null;
this.videoWindow = null;
}
if (this.captureGraphBuilder != null)
{
Marshal.ReleaseComObject(this.captureGraphBuilder);
this.captureGraphBuilder = null;
}
if (this.muxFilter != null)
{
Marshal.ReleaseComObject(this.muxFilter);
this.muxFilter = null;
}
if (this.fileWriterFilter != null)
{
Marshal.ReleaseComObject(this.fileWriterFilter);
this.fileWriterFilter = null;
}
if (this.screenCaptureFilter != null)
{
Marshal.ReleaseComObject(this.screenCaptureFilter);
this.screenCaptureFilter = null;
}
if (this.videoCompressorFilter != null)
{
Marshal.ReleaseComObject(this.videoCompressorFilter);
this.videoCompressorFilter = null;
}
if (this.dmoFilter != null)
{
Marshal.ReleaseComObject(this.dmoFilter);
this.dmoFilter = null;
}
if (this.smartTeeFilter != null)
{
Marshal.ReleaseComObject(this.smartTeeFilter);
this.smartTeeFilter = null;
}
// For unmanaged objects we haven't released explicitly
GC.Collect();
}
catch (Exception ex)
{
ExceptionMethods.HandleExceptionSilent(ex);
}
}
