private void Setup()
{
int hr;
IBaseFilter ibf;
IFilterGraph2 ifg = new FilterGraph() as IFilterGraph2;
m_imc = ifg as IMediaControl;
DsROTEntry rot = new DsROTEntry(ifg);
DsDevice[] devs = DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice);
hr = ifg.AddSourceFilterForMoniker(devs[0].Mon, null, devs[0].Name, out ibf);
ICaptureGraphBuilder2 icgb2 = new CaptureGraphBuilder2() as ICaptureGraphBuilder2;
hr = icgb2.SetFiltergraph(ifg);
DsError.ThrowExceptionForHR(hr);
hr = icgb2.RenderStream(null, null, ibf, null, null);
DsError.ThrowExceptionForHR(hr);
IBaseFilter pFilter;
hr = ifg.FindFilterByName("Video Renderer", out pFilter);
m_qc = pFilter as IQualityControl;
rot.Dispose();
}
private void TestProf()
{
int hr;
ISBE2MediaTypeProfile pProfile;
hr = m_ISBE2Crossbar.GetInitialProfile(out pProfile);
DsError.ThrowExceptionForHR(hr);
Debug.Assert(pProfile != null);
int i = 0;
IPin[] op = null;
hr = m_ISBE2Crossbar.SetOutputProfile(pProfile, ref i, op);
DsError.ThrowExceptionForHR(hr);
Debug.Assert(i == 2);
op = new IPin[i];
hr = m_ISBE2Crossbar.SetOutputProfile(pProfile, ref i, op);
DsError.ThrowExceptionForHR(hr);
Debug.Assert(op[0] != null && op[1] != null);
ICaptureGraphBuilder2 cgb = new CaptureGraphBuilder2() as ICaptureGraphBuilder2;
hr = cgb.SetFiltergraph(m_fg as IGraphBuilder);
hr = cgb.RenderStream(null, MediaType.Video, op[0], null, null);
}
private void TestEm()
{
int hr;
AllocatorProperties prop = new AllocatorProperties();
Guid grf = typeof(IBaseFilter).GUID;
prop.cbAlign = 1;
prop.cbBuffer = 3000000;
prop.cbPrefix = 0;
prop.cBuffers = 12;
hr = m_ibn.SuggestAllocatorProperties(prop);
DsError.ThrowExceptionForHR(hr);
IGraphBuilder ifg = new FilterGraph() as IGraphBuilder;
DsROTEntry rot = new DsROTEntry(ifg);
hr = ifg.AddFilter(m_ibf, "Device");
DsError.ThrowExceptionForHR(hr);
ICaptureGraphBuilder2 icgb2 = new CaptureGraphBuilder2() as ICaptureGraphBuilder2;
hr = icgb2.SetFiltergraph(ifg);
DsError.ThrowExceptionForHR(hr);
hr = icgb2.RenderStream(null, null, m_ibf, null, null);
DsError.ThrowExceptionForHR(hr);
// Returns E_FAIL for all my devices, so I wrote my own filter
// that implements it for a test. Note: You CANNOT use "out" here.
hr = m_ibn.GetAllocatorProperties(prop);
//DsError.ThrowExceptionForHR(hr);
rot.Dispose();
}
private void Config2()
{
Guid g = typeof(IBaseFilter).GUID;
DsDevice[] devs;
IBaseFilter ibf, ibf2;
object o;
int hr;
IFilterGraph2 ifg = new FilterGraph() as IFilterGraph2;
ibf = m_rs as IBaseFilter;
hr = ifg.AddFilter(ibf, "resizer");
DsError.ThrowExceptionForHR(hr);
devs = DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice);
devs[1].Mon.BindToObject(null, null, ref g, out o);
ibf2 = o as IBaseFilter;
hr = ifg.AddFilter(ibf2, "camera");
DsError.ThrowExceptionForHR(hr);
ICaptureGraphBuilder2 cgb = new CaptureGraphBuilder2() as ICaptureGraphBuilder2;
hr = cgb.SetFiltergraph(ifg);
DsError.ThrowExceptionForHR(hr);
hr = cgb.RenderStream(null, null, ibf2, null, ibf);
DsError.ThrowExceptionForHR(hr);
}
void BuildGraph()
{
int hr;
IBaseFilter ppFilter;
DsDevice [] devs;
IGraphBuilder graphBuilder = new FilterGraph() as IGraphBuilder;
m_ROT = new DsROTEntry(graphBuilder);
IFilterGraph2 ifg2 = graphBuilder as IFilterGraph2;
devs = DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice);
DsDevice dev = devs[0];
hr = ifg2.AddSourceFilterForMoniker(dev.Mon, null, dev.Name, out ppFilter);
DsError.ThrowExceptionForHR(hr);
ICaptureGraphBuilder2 captureGraphBuilder = new CaptureGraphBuilder2() as ICaptureGraphBuilder2;
hr = captureGraphBuilder.SetFiltergraph(graphBuilder);
object o;
hr = captureGraphBuilder.FindInterface(null, null, ppFilter, typeof(IAMStreamConfig).GUID, out o);
DsError.ThrowExceptionForHR(hr);
m_asc = o as IAMStreamConfig;
//m_imc = graphBuilder as IMediaControl;
//hr = m_imc.Run();
//DsError.ThrowExceptionForHR(hr);
}
private void Config()
{
int hr;
IFilterGraph gb = (IFilterGraph)new FilterGraph();
int iDeviceIndex = 0;
ICaptureGraphBuilder2 cgb = new CaptureGraphBuilder2() as ICaptureGraphBuilder2;
IMediaControl m_imc1 = gb as IMediaControl;
hr = cgb.SetFiltergraph((IGraphBuilder)gb);
DsDevice[] dev = DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice);
IBaseFilter theDevice;
hr = ((IFilterGraph2)gb).AddSourceFilterForMoniker(dev[iDeviceIndex].Mon, null, dev[iDeviceIndex].Name, out theDevice);
IStreamBufferSink sbs = new SBE2Sink() as IStreamBufferSink;
hr = gb.AddFilter((IBaseFilter)sbs, "StreamBufferSink");
DsError.ThrowExceptionForHR(hr);
hr = cgb.RenderStream(null, null, theDevice, null, sbs as IBaseFilter);
DsError.ThrowExceptionForHR(hr);
hr = sbs.LockProfile(Environment.ExpandEnvironmentVariables(FILENAME));
DsError.ThrowExceptionForHR(hr);
SetupGraph2();
Marshal.ReleaseComObject(cgb);
Marshal.ReleaseComObject(theDevice);
m_imc1.Run();
System.Threading.Thread.Sleep(1000);
m_imc2.Run();
System.Threading.Thread.Sleep(1000);
}
private void Setup()
{
int hr;
IFilterGraph2 ifg = new FilterGraph() as IFilterGraph2;
m_imc = ifg as IMediaControl;
DsROTEntry rot = new DsROTEntry(ifg);
IBaseFilter pFilter;
DsDevice[] devs = DsDevice.GetDevicesOfCat(FilterCategory.AudioInputDevice);
hr = ifg.AddSourceFilterForMoniker(devs[0].Mon, null, devs[0].Name, out pFilter);
DsError.ThrowExceptionForHR(hr);
ICaptureGraphBuilder2 icgb2 = new CaptureGraphBuilder2() as ICaptureGraphBuilder2;
hr = icgb2.SetFiltergraph(ifg);
DsError.ThrowExceptionForHR(hr);
//IPin pPin = DsFindPin.ByDirection((IBaseFilter)o, PinDirection.Output, 0);
hr = icgb2.RenderStream(null, MediaType.Audio, pFilter, null, null);
DsError.ThrowExceptionForHR(hr);
IBaseFilter pAudio;
hr = ifg.FindFilterByName("Audio Renderer", out pAudio);
m_ibn = pAudio as IAMAudioRendererStats;
}
/// <summary>
/// Initializes the devices and prepares for capture
/// </summary>
public void Initialize()
{
_filterGraph = new FilterGraph() as IFilterGraph2;
_mediaCtrl = _filterGraph as IMediaControl;
ISampleGrabber sampGrabber = null;
IBaseFilter capFilter = null;
ICaptureGraphBuilder2 capGraph = null;
int status;
try
{
capGraph = new CaptureGraphBuilder2() as ICaptureGraphBuilder2;
sampGrabber = new SampleGrabber() as ISampleGrabber;
status = capGraph.SetFiltergraph(_filterGraph);
DsError.ThrowExceptionForHR(status);
//Adds the video device
status = _filterGraph.AddSourceFilterForMoniker(_device.DsDevice.Mon, null, "Video input", out capFilter);
DsError.ThrowExceptionForHR(status);
IBaseFilter baseGrabFilter = sampGrabber as IBaseFilter;
ConfigureSampleGrabber(sampGrabber);
// Add the frame grabber to the graph
status = _filterGraph.AddFilter(baseGrabFilter, ".net grabber");
DsError.ThrowExceptionForHR(status);
//TODO: Set Framerate, height and width here
status = capGraph.RenderStream(PinCategory.Capture, MediaType.Video, capFilter, null, baseGrabFilter);
DsError.ThrowExceptionForHR(status);
SaveSizeInfo(sampGrabber);
_bitmapMemory = Marshal.AllocCoTaskMem(_stride * _videoHeight);
}
finally
{
if (capFilter != null)
{
Marshal.ReleaseComObject(capFilter);
capFilter = null;
}
if (sampGrabber != null)
{
Marshal.ReleaseComObject(sampGrabber);
sampGrabber = null;
}
if (capGraph != null)
{
Marshal.ReleaseComObject(capGraph);
capGraph = null;
}
}
}
// Build the capture graph for grabber and renderer.</summary>
// (Control to show video in, Filename to play)
private void SetupGraph(Control hWin, string FileName)
{
int hr;
m_FilterGraph = new FilterGraph() as IFilterGraph2;
ICaptureGraphBuilder2 icgb2 = new CaptureGraphBuilder2() as ICaptureGraphBuilder2;
try
{
hr = icgb2.SetFiltergraph(m_FilterGraph);
DsError.ThrowExceptionForHR(hr);
IBaseFilter sourceFilter = null;
hr = m_FilterGraph.AddSourceFilter(FileName, FileName, out sourceFilter);
DsError.ThrowExceptionForHR(hr);
// Get the SampleGrabber interface
m_sampGrabber = (ISampleGrabber) new SampleGrabber();
IBaseFilter baseGrabFlt = (IBaseFilter)m_sampGrabber;
// Configure the Sample Grabber
ConfigureSampleGrabber(m_sampGrabber);
// Add it to the filter
hr = m_FilterGraph.AddFilter(baseGrabFlt, "Ds.NET Grabber");
DsError.ThrowExceptionForHR(hr);
// Connect the pieces together, use the default renderer
hr = icgb2.RenderStream(null, null, sourceFilter, baseGrabFlt, null);
DsError.ThrowExceptionForHR(hr);
// Configure the Video Window
IVideoWindow videoWindow = m_FilterGraph as IVideoWindow;
ConfigureVideoWindow(videoWindow, hWin);
// Grab some other interfaces
m_mediaEvent = m_FilterGraph as IMediaEvent;
m_mediaCtrl = m_FilterGraph as IMediaControl;
}
finally
{
if (icgb2 != null)
{
Marshal.ReleaseComObject(icgb2);
icgb2 = null;
}
}
}
public FrameGrabber(DsDevice camDevice)
{
IFilterGraph2 filterGraph;
ICaptureGraphBuilder2 graphBuilder;
IBaseFilter camBase, nullRenderer;
ISampleGrabber sampleGrabber;
filterGraph = new FilterGraph() as IFilterGraph2;
mediaCtrl = filterGraph as IMediaControl;
graphBuilder = new CaptureGraphBuilder2() as ICaptureGraphBuilder2;
HRCheck(graphBuilder.SetFiltergraph(filterGraph));
// Add camera
HRCheck(filterGraph.AddSourceFilterForMoniker(
camDevice.Mon, null, camDevice.Name, out camBase));
// Add sample grabber
sampleGrabber = new SampleGrabber() as ISampleGrabber;
var mType = new AMMediaType()
{
majorType = MediaType.Video,
subType = MediaSubType.RGB24,
formatType = FormatType.VideoInfo
};
HRCheck(sampleGrabber.SetMediaType(mType));
DsUtils.FreeAMMediaType(mType);
HRCheck(sampleGrabber.SetCallback(this, 1));
HRCheck(filterGraph.AddFilter(sampleGrabber as IBaseFilter, "CamGrabber"));
// Add null renderer
nullRenderer = new NullRenderer() as IBaseFilter;
HRCheck(filterGraph.AddFilter(nullRenderer, "Null renderer"));
// Render the webcam through the grabber and the renderer
HRCheck(graphBuilder.RenderStream(PinCategory.Capture, MediaType.Video,
camBase, sampleGrabber as IBaseFilter, nullRenderer));
// Get resulting picture size
mType = new AMMediaType();
HRCheck(sampleGrabber.GetConnectedMediaType(mType));
if (mType.formatType != FormatType.VideoInfo || mType.formatPtr == IntPtr.Zero)
{
throw new NotSupportedException("Unknown grabber media format");
}
var videoInfoHeader = Marshal.PtrToStructure(mType.formatPtr,
typeof(VideoInfoHeader)) as VideoInfoHeader;
width = videoInfoHeader.BmiHeader.Width;
height = videoInfoHeader.BmiHeader.Height;
Console.WriteLine("{0} x {1}", width, height);
stride = width * (videoInfoHeader.BmiHeader.BitCount / 8);
DsUtils.FreeAMMediaType(mType);
HRCheck(mediaCtrl.Run());
}
/// <summary>Set up the filter graph for grabbing snapshots</summary>
public void EnableGrabbing()
{
ICaptureGraphBuilder2 icgb2 = null;
try
{
// Get a ICaptureGraphBuilder2 to help build the graph
// Link the ICaptureGraphBuilder2 to the IFilterGraph2
icgb2 = new CaptureGraphBuilder2() as ICaptureGraphBuilder2;
if (icgb2 == null)
{
throw new Exception("failed to create direct show CaptureGraphBuilder2");
}
DsError.ThrowExceptionForHR(icgb2.SetFiltergraph(m_filter_graph));
// Get the SampleGrabber interface
m_samp_grabber = (ISampleGrabber) new SampleGrabber();
{ // Set the media type to Video/RBG24
AMMediaType media = new AMMediaType {
majorType = MediaType.Video, subType = MediaSubType.RGB24, formatType = FormatType.VideoInfo
};
try { DsError.ThrowExceptionForHR(m_samp_grabber.SetMediaType(media)); }
finally { DsUtils.FreeAMMediaType(media); }
}
// Configure the sample grabber
DsError.ThrowExceptionForHR(m_samp_grabber.SetBufferSamples(true));
// Add the sample graber to the filter graph
IBaseFilter grab_filter = (IBaseFilter)m_samp_grabber;
DsError.ThrowExceptionForHR(m_filter_graph.AddFilter(grab_filter, "DS.NET Grabber"));
}
finally { if (icgb2 != null)
{
Marshal.ReleaseComObject(icgb2);
}
}
}
void BuildGraph()
{
int hr;
IBaseFilter ppFilter;
DsDevice [] devs;
IGraphBuilder graphBuilder = new FilterGraph() as IGraphBuilder;
m_ROT = new DsROTEntry(graphBuilder);
IFilterGraph2 ifg2 = graphBuilder as IFilterGraph2;
devs = DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice);
DsDevice dev = devs[0];
hr = ifg2.AddSourceFilterForMoniker(dev.Mon, null, dev.Name, out ppFilter);
DsError.ThrowExceptionForHR(hr);
m_ivc = ppFilter as IAMVideoControl;
m_IPinOut = DsFindPin.ByDirection(ppFilter, PinDirection.Output, 0);
hr = ifg2.Render(m_IPinOut);
DsError.ThrowExceptionForHR(hr);
ICaptureGraphBuilder2 captureGraphBuilder = new CaptureGraphBuilder2() as ICaptureGraphBuilder2;
hr = captureGraphBuilder.SetFiltergraph(graphBuilder);
object o;
hr = captureGraphBuilder.FindInterface(null, null, ppFilter, typeof(IAMAnalogVideoDecoder).GUID, out o);
DsError.ThrowExceptionForHR(hr);
m_avd = o as IAMAnalogVideoDecoder;
m_imc = graphBuilder as IMediaControl;
hr = m_imc.Run();
DsError.ThrowExceptionForHR(hr);
}
// Build the capture graph for grabber and renderer.</summary>
// (Control to show video in, Filename to play)
private void SetupGraph(string FileName)
{
int hr;
// Get the graphbuilder object
m_FilterGraph = new FilterGraph() as IFilterGraph2;
// Get a ICaptureGraphBuilder2 to help build the graph
ICaptureGraphBuilder2 icgb2 = new CaptureGraphBuilder2() as ICaptureGraphBuilder2;
try
{
// Link the ICaptureGraphBuilder2 to the IFilterGraph2
hr = icgb2.SetFiltergraph(m_FilterGraph);
DsError.ThrowExceptionForHR(hr);
// Add the filters necessary to render the file. This function will
// work with a number of different file types.
IBaseFilter sourceFilter = null;
hr = m_FilterGraph.AddSourceFilter(FileName, FileName, out sourceFilter);
DsError.ThrowExceptionForHR(hr);
// Get the SampleGrabber interface
m_sampGrabber = (ISampleGrabber)new SampleGrabber();
IBaseFilter baseGrabFlt = (IBaseFilter)m_sampGrabber;
// Configure the Sample Grabber
ConfigureSampleGrabber(m_sampGrabber);
// Add it to the filter
hr = m_FilterGraph.AddFilter(baseGrabFlt, "Ds.NET Grabber");
DsError.ThrowExceptionForHR(hr);
// Add the null renderer to the graph
IBaseFilter nullrenderer = new NullRenderer() as IBaseFilter;
hr = m_FilterGraph.AddFilter(nullrenderer, "Null renderer");
DsError.ThrowExceptionForHR(hr);
// Connect the pieces together, use the default renderer
hr = icgb2.RenderStream(null, null, sourceFilter, baseGrabFlt, nullrenderer);
DsError.ThrowExceptionForHR(hr);
// Now that the graph is built, read the dimensions of the bitmaps we'll be getting
SaveSizeInfo(m_sampGrabber);
// Grab some other interfaces
m_mediaEvent = m_FilterGraph as IMediaEvent;
m_mediaCtrl = m_FilterGraph as IMediaControl;
}
finally
{
if (icgb2 != null)
{
Marshal.ReleaseComObject(icgb2);
icgb2 = null;
}
}
#if DEBUG
// Double check to make sure we aren't releasing something
// important.
GC.Collect();
GC.WaitForPendingFinalizers();
#endif
}
protected override void SetupGraph()
{
this.HasBeenSetup = true;
// Get the graphbuilder object
this.FilterGraph = new FilterGraph() as IFilterGraph2;
// Get a ICaptureGraphBuilder2 to help build the graph
ICaptureGraphBuilder2 icgb2 = new CaptureGraphBuilder2() as ICaptureGraphBuilder2;
try
{
// Link the ICaptureGraphBuilder2 to the IFilterGraph2
if (icgb2 != null)
{
int hr = icgb2.SetFiltergraph(this.FilterGraph);
DsError.ThrowExceptionForHR(hr);
// Add the filters necessary to render the file. This function will
// work with a number of different file types.
IBaseFilter sourceFilter;
hr = this.FilterGraph.AddSourceFilter(this.fileName, this.fileName, out sourceFilter);
DsError.ThrowExceptionForHR(hr);
// VIDEO
// Get the SampleGrabber interface
this.SampGrabber = (ISampleGrabber) new SampleGrabber();
IBaseFilter baseGrabFlt = (IBaseFilter)this.SampGrabber;
// Configure the Sample Grabber
this.ConfigureSampleGrabber(this.SampGrabber);
// Add it to the filter
hr = this.FilterGraph.AddFilter(baseGrabFlt, "Ds.NET GrabberV");
DsError.ThrowExceptionForHR(hr);
// Connect the pieces together, use the default renderer
hr = icgb2.RenderStream(null, null, sourceFilter, baseGrabFlt, null);
DsError.ThrowExceptionForHR(hr);
// Connect audio
hr = icgb2.RenderStream(null, MediaType.Audio, sourceFilter, null, null);
if (hr != -2147467259 || hr == 0)
{
// don't throw for videos without audio track
DsError.ThrowExceptionForHR(hr);
}
}
IVideoWindow window = (IVideoWindow)this.FilterGraph;
if (window != null)
{
window.put_AutoShow(OABool.False);
}
// Now that the graph is built, read the dimensions of the bitmaps we'll be getting
this.SaveSizeInfo(this.SampGrabber);
// Grab some other interfaces
this.MediaCtrl = this.FilterGraph as IMediaControl;
this.SampGrabber.SetBufferSamples(true);
this.SampGrabber.SetOneShot(false);
this.MediaEvent = this.FilterGraph as IMediaEvent;
this.audio = this.FilterGraph as IBasicAudio;
this.MediaPosition = this.FilterGraph as IMediaPosition;
this.Volume = this.volume;
}
finally
{
if (icgb2 != null)
{
Marshal.ReleaseComObject(icgb2);
}
}
}
public void SetupGraph()
{
GraphBuilder = (IGraphBuilder)new FilterGraph();
// Get ICaptureGraphBuilder2 to build the graph
CaptureGraphBuilder2 = new CaptureGraphBuilder2() as ICaptureGraphBuilder2;
try
{
ReturnHR = CaptureGraphBuilder2.SetFiltergraph(GraphBuilder);
IBaseFilter source_filter = null;
ReturnHR = GraphBuilder.AddSourceFilter(InputFile, "Source Filter", out source_filter);
IBaseFilter wmv_video_decoder_dmo = (IBaseFilter)new DMOWrapperFilter();
IDMOWrapperFilter dmo_wrapper_filter_v = (IDMOWrapperFilter)wmv_video_decoder_dmo;
ReturnHR = dmo_wrapper_filter_v.Init(new Guid("{82D353DF-90BD-4382-8BC2-3F6192B76E34}"), DMOCategory.VideoDecoder);
ReturnHR = GraphBuilder.AddFilter(wmv_video_decoder_dmo, "Wmv Video Decoder DMO");
IBaseFilter wmv_audio_decoder_dmo = (IBaseFilter)new DMOWrapperFilter();
IDMOWrapperFilter dmo_wrapper_filter_a = (IDMOWrapperFilter)wmv_audio_decoder_dmo;
ReturnHR = dmo_wrapper_filter_a.Init(new Guid("{2EEB4ADF-4578-4D10-BCA7-BB955F56320A}"), DMOCategory.AudioDecoder);
ReturnHR = GraphBuilder.AddFilter(wmv_audio_decoder_dmo, "Wmv Audio Decoder DMO");
IBaseFilter vp8_encoder = (IBaseFilter)new VP8Encoder();
ReturnHR = GraphBuilder.AddFilter(vp8_encoder, "VP8 Encoder");
IVP8Encoder vp8_encoder_interface = (IVP8Encoder)vp8_encoder;
if (target_bitrate != 0)
vp8_encoder_interface.SetTargetBitrate(target_bitrate);
IBaseFilter webm_muxer = (IBaseFilter)new WebMMuxer();
ReturnHR = GraphBuilder.AddFilter(webm_muxer, "WebM Muxer");
IBaseFilter vorbis_encoder = (IBaseFilter)new VorbisEncoder();
ReturnHR = GraphBuilder.AddFilter(vorbis_encoder, "Vorbis Encoder");
IBaseFilter file_writer = (IBaseFilter)new FileWriter();
ReturnHR = GraphBuilder.AddFilter(file_writer, "file writer");
IFileSinkFilter filewriter_sink = file_writer as IFileSinkFilter;
ReturnHR = filewriter_sink.SetFileName(OutputFile, null);
ReturnHR = GraphBuilder.ConnectDirect(FindPin("Raw Video 1", source_filter), FindPin("in0", wmv_video_decoder_dmo), null);
ReturnHR = GraphBuilder.ConnectDirect(FindPin("Raw Audio 0", source_filter), FindPin("in0", wmv_audio_decoder_dmo), null);
ReturnHR = GraphBuilder.ConnectDirect(FindPin("out0", wmv_audio_decoder_dmo), FindPin("PCM In", vorbis_encoder), null);
ReturnHR = GraphBuilder.ConnectDirect(FindPin("out0", wmv_video_decoder_dmo), FindPin("YUV", vp8_encoder), null);
ReturnHR = GraphBuilder.ConnectDirect(FindPin("Vorbis Out", vorbis_encoder), FindPin("audio", webm_muxer), null);
ReturnHR = GraphBuilder.ConnectDirect(FindPin("VP80", vp8_encoder), FindPin("video", webm_muxer), null);
ReturnHR = GraphBuilder.ConnectDirect(FindPin("outpin", webm_muxer), FindPin("in", file_writer), null);
}
catch (Exception)
{
LogError("Failed to initialize FilterGraph.");
}
finally
{
if (CaptureGraphBuilder2 != null)
{
Marshal.ReleaseComObject(CaptureGraphBuilder2);
CaptureGraphBuilder2 = null;
}
}
}
// Build the capture graph for grabber and renderer.</summary>
// (Control to show video in, Filename to play)
private void SetupGraph(Control hWin, string FileName)
{
int hr;
// Get the graphbuilder object
m_FilterGraph = new FilterGraph() as IFilterGraph2;
// Get a ICaptureGraphBuilder2 to help build the graph
ICaptureGraphBuilder2 icgb2 = new CaptureGraphBuilder2() as ICaptureGraphBuilder2;
try
{
// Link the ICaptureGraphBuilder2 to the IFilterGraph2
hr = icgb2.SetFiltergraph(m_FilterGraph);
DsError.ThrowExceptionForHR(hr);
#if DEBUG
// Allows you to view the graph with GraphEdit File/Connect
m_DsRot = new DsROTEntry(m_FilterGraph);
#endif
// Add the filters necessary to render the file. This function will
// work with a number of different file types.
IBaseFilter sourceFilter = null;
hr = m_FilterGraph.AddSourceFilter(FileName, FileName, out sourceFilter);
DsError.ThrowExceptionForHR(hr);
// Get the SampleGrabber interface
m_sampGrabber = (ISampleGrabber) new SampleGrabber();
IBaseFilter baseGrabFlt = (IBaseFilter)m_sampGrabber;
// Configure the Sample Grabber
ConfigureSampleGrabber(m_sampGrabber);
// Add it to the filter
hr = m_FilterGraph.AddFilter(baseGrabFlt, "Ds.NET Grabber");
DsError.ThrowExceptionForHR(hr);
// Connect the pieces together, use the default renderer
hr = icgb2.RenderStream(null, null, sourceFilter, baseGrabFlt, null);
DsError.ThrowExceptionForHR(hr);
// Now that the graph is built, read the dimensions of the bitmaps we'll be getting
SaveSizeInfo(m_sampGrabber);
// Configure the Video Window
IVideoWindow videoWindow = m_FilterGraph as IVideoWindow;
ConfigureVideoWindow(videoWindow, hWin);
// Grab some other interfaces
m_mediaEvent = m_FilterGraph as IMediaEvent;
m_mediaCtrl = m_FilterGraph as IMediaControl;
}
finally
{
if (icgb2 != null)
{
Marshal.ReleaseComObject(icgb2);
icgb2 = null;
}
}
#if DEBUG
// Double check to make sure we aren't releasing something
// important.
GC.Collect();
GC.WaitForPendingFinalizers();
#endif
}
/// <summary>
/// Build the filter graph
/// </summary>
/// <param name="hWin">Window to draw into</param>
private void SetupGraph(Control hWin)
{
// Get the graphbuilder object
m_FilterGraph = new FilterGraph() as IFilterGraph2;
// Get a ICaptureGraphBuilder2 to help build the graph
var captureGraphBuilder = new CaptureGraphBuilder2() as ICaptureGraphBuilder2;
try
{
// Link the ICaptureGraphBuilder2 to the IFilterGraph2
var hr = captureGraphBuilder.SetFiltergraph(m_FilterGraph);
DsError.ThrowExceptionForHR(hr);
#if DEBUG
// Allows you to view the graph with GraphEdit File/Connect
m_DsRot = new DsROTEntry(m_FilterGraph);
#endif
// Our data source
var source = new GenericSampleSourceFilter() as IBaseFilter;
try
{
// Get the pin from the filter so we can configure it
var ipin = DsFindPin.ByDirection(source, PinDirection.Output, 0);
// x264vfw
// {D76E2820-1563-11CF-AC98-00AA004C0FA9}
// MediaType_Video
// Pins: input(0), output(0)
// DirectVobSub
// {93A22E7A-5091-45EF-BA61-6DA26156A5D0}
// Pins:
// Input - Name: Video, Id: In
// Input - Name: Input, id: Input,
// majortype: MEDIATYPE_Subtitle {E487EB08-6B26-4BE9-9DD3-993434D313FD}
// subtype: MEDIASUBTYPE_ASS {326444F7-686F-47FF-A4B2-C8C96307B4C2}
// formattype: FORMAT_SubtitleInfo {A33D2F7D-96BC-4337-B23B-A8B9FBC295E9}
// Output - Name: Output, Id: Out
// Interfaces: IAMStreamSelect, IBaseFilter, IMediaFilter, IPersist, ISpecifyPropertyPages, IUnknown
// IMemInputPin
// {56A8689D-0AD4-11CE-B03A-0020AF0BA770}
try
{
// Configure the pin using the provided BitmapInfo
//this.ConfigurePusher(ipin as IGenericSampleConfig);
var genericSampleConfig = ipin as IGenericSampleConfig;
m_ImageHandler.SetMediaType(genericSampleConfig);
// Specify the callback routine to call with each sample
hr = genericSampleConfig.SetBitmapCB(m_ImageHandler);
DsError.ThrowExceptionForHR(hr);
}
finally
{
Marshal.ReleaseComObject(ipin);
}
// Add the filter to the graph
hr = m_FilterGraph.AddFilter(source, "GenericSampleSourceFilter");
Marshal.ThrowExceptionForHR(hr);
// IFileSourceFilter
// {56A868A6-0AD4-11CE-B03A-0020AF0BA770}
// Connect the filters together, use the default renderer
hr = captureGraphBuilder.RenderStream(null, null, source, null, null);
// DsError.ThrowExceptionForHR( hr ); // Ignore any error. Blindly assume there is no video
hr = captureGraphBuilder.RenderStream(null, MediaType.Audio, source, null, null);
// DsError.ThrowExceptionForHR( hr ); // Ignore any error. Blindly assume there is no audio
}
finally
{
Marshal.ReleaseComObject(source);
}
// Configure the Video Window
var videoWindow = m_FilterGraph as IVideoWindow;
ConfigureVideoWindow(videoWindow, hWin);
// Grab some other interfaces
m_mediaCtrl = m_FilterGraph as IMediaControl;
}
finally
{
Marshal.ReleaseComObject(captureGraphBuilder);
}
}
// Build the capture graph for grabber and renderer.</summary>
// (Control to show video in, Filename to play)
private void SetupGraph(Control hWin, string FileName)
{
int hr;
IBaseFilter ibfRenderer = null;
IPin iPinInFilter = null;
IPin iPinOutFilter = null;
IPin iPinInDest = null;
m_FilterGraph = new FilterGraph() as IFilterGraph2;
ICaptureGraphBuilder2 icgb2 = new CaptureGraphBuilder2() as ICaptureGraphBuilder2;
try
{
hr = icgb2.SetFiltergraph(m_FilterGraph);
DsError.ThrowExceptionForHR(hr);
IBaseFilter sourceFilter = null;
hr = m_FilterGraph.AddSourceFilter(FileName, "Ds.NET FileFilter", out sourceFilter);
DsError.ThrowExceptionForHR(hr);
// Hopefully this will be the video pin
IPin iPinOutSource = DsFindPin.ByDirection(sourceFilter, PinDirection.Output, 0);
// Get the SampleGrabber interface
m_sampGrabber = (ISampleGrabber)new SampleGrabber();
IBaseFilter baseGrabFlt = (IBaseFilter)m_sampGrabber;
// Configure the Sample Grabber
ConfigureSampleGrabber(m_sampGrabber);
iPinInFilter = DsFindPin.ByDirection(baseGrabFlt, PinDirection.Input, 0);
iPinOutFilter = DsFindPin.ByDirection(baseGrabFlt, PinDirection.Output, 0);
// Add it to the filter
hr = m_FilterGraph.AddFilter(baseGrabFlt, "Ds.NET Grabber");
DsError.ThrowExceptionForHR(hr);
hr = m_FilterGraph.Connect(iPinOutSource, iPinInFilter);
DsError.ThrowExceptionForHR(hr);
// Get the default video renderer
ibfRenderer = (IBaseFilter)new VideoRendererDefault();
// Add it to the graph
hr = m_FilterGraph.AddFilter(ibfRenderer, "Ds.NET VideoRendererDefault");
DsError.ThrowExceptionForHR(hr);
iPinInDest = DsFindPin.ByDirection(ibfRenderer, PinDirection.Input, 0);
// Connect the graph. Many other filters automatically get added here
hr = m_FilterGraph.Connect(iPinOutFilter, iPinInDest);
DsError.ThrowExceptionForHR(hr);
// Configure the Video Window
IVideoWindow videoWindow = m_FilterGraph as IVideoWindow;
ConfigureVideoWindow(videoWindow, hWin);
// Grab some other interfaces
m_mediaEvent = m_FilterGraph as IMediaEvent;
m_mediaCtrl = m_FilterGraph as IMediaControl;
m_mediaPosition = m_FilterGraph as IMediaPosition;
}
finally
{
if (icgb2 != null)
{
Marshal.ReleaseComObject(icgb2);
icgb2 = null;
}
}
}
/// <summary>
/// Initializes the devices and prepares for capture
/// </summary>
public void Initialize()
{
_filterGraph = new FilterGraph() as IFilterGraph2;
_mediaCtrl = _filterGraph as IMediaControl;
ISampleGrabber sampGrabber = null;
IBaseFilter capFilter = null;
ICaptureGraphBuilder2 capGraph = null;
int status;
try
{
capGraph = new CaptureGraphBuilder2() as ICaptureGraphBuilder2;
sampGrabber = new SampleGrabber() as ISampleGrabber;
status = capGraph.SetFiltergraph(_filterGraph);
DsError.ThrowExceptionForHR(status);
//Adds the video device
status = _filterGraph.AddSourceFilterForMoniker(_device.DsDevice.Mon, null, "Video input", out capFilter);
DsError.ThrowExceptionForHR(status);
IBaseFilter baseGrabFilter = sampGrabber as IBaseFilter;
ConfigureSampleGrabber(sampGrabber);
// Add the frame grabber to the graph
status = _filterGraph.AddFilter(baseGrabFilter, ".net grabber");
DsError.ThrowExceptionForHR(status);
//TODO: Set Framerate, height and width here
status = capGraph.RenderStream(PinCategory.Capture, MediaType.Video, capFilter, null, baseGrabFilter);
DsError.ThrowExceptionForHR(status);
SaveSizeInfo(sampGrabber);
_bitmapMemory = Marshal.AllocCoTaskMem(_stride * _videoHeight);
}
finally
{
if (capFilter != null)
{
Marshal.ReleaseComObject(capFilter);
capFilter = null;
}
if (sampGrabber != null)
{
Marshal.ReleaseComObject(sampGrabber);
sampGrabber = null;
}
if (capGraph != null)
{
Marshal.ReleaseComObject(capGraph);
capGraph = null;
}
}
}
public void SetupGraph()
{
GraphBuilder = (IGraphBuilder) new FilterGraph();
// Get ICaptureGraphBuilder2 to build the graph
CaptureGraphBuilder2 = new CaptureGraphBuilder2() as ICaptureGraphBuilder2;
try
{
ReturnHR = CaptureGraphBuilder2.SetFiltergraph(GraphBuilder);
IBaseFilter source_filter = null;
ReturnHR = GraphBuilder.AddSourceFilter(InputFile, "Source Filter", out source_filter);
IBaseFilter wmv_video_decoder_dmo = (IBaseFilter) new DMOWrapperFilter();
IDMOWrapperFilter dmo_wrapper_filter_v = (IDMOWrapperFilter)wmv_video_decoder_dmo;
ReturnHR = dmo_wrapper_filter_v.Init(new Guid("{82D353DF-90BD-4382-8BC2-3F6192B76E34}"), DMOCategory.VideoDecoder);
ReturnHR = GraphBuilder.AddFilter(wmv_video_decoder_dmo, "Wmv Video Decoder DMO");
IBaseFilter wmv_audio_decoder_dmo = (IBaseFilter) new DMOWrapperFilter();
IDMOWrapperFilter dmo_wrapper_filter_a = (IDMOWrapperFilter)wmv_audio_decoder_dmo;
ReturnHR = dmo_wrapper_filter_a.Init(new Guid("{2EEB4ADF-4578-4D10-BCA7-BB955F56320A}"), DMOCategory.AudioDecoder);
ReturnHR = GraphBuilder.AddFilter(wmv_audio_decoder_dmo, "Wmv Audio Decoder DMO");
IBaseFilter vp8_encoder = (IBaseFilter) new VP8Encoder();
ReturnHR = GraphBuilder.AddFilter(vp8_encoder, "VP8 Encoder");
IVP8Encoder vp8_encoder_interface = (IVP8Encoder)vp8_encoder;
if (target_bitrate != 0)
{
vp8_encoder_interface.SetTargetBitrate(target_bitrate);
}
IBaseFilter webm_muxer = (IBaseFilter) new WebMMuxer();
ReturnHR = GraphBuilder.AddFilter(webm_muxer, "WebM Muxer");
IBaseFilter vorbis_encoder = (IBaseFilter) new VorbisEncoder();
ReturnHR = GraphBuilder.AddFilter(vorbis_encoder, "Vorbis Encoder");
IBaseFilter file_writer = (IBaseFilter) new FileWriter();
ReturnHR = GraphBuilder.AddFilter(file_writer, "file writer");
IFileSinkFilter filewriter_sink = file_writer as IFileSinkFilter;
ReturnHR = filewriter_sink.SetFileName(OutputFile, null);
ReturnHR = GraphBuilder.ConnectDirect(FindPin("Raw Video 1", source_filter), FindPin("in0", wmv_video_decoder_dmo), null);
ReturnHR = GraphBuilder.ConnectDirect(FindPin("Raw Audio 0", source_filter), FindPin("in0", wmv_audio_decoder_dmo), null);
ReturnHR = GraphBuilder.ConnectDirect(FindPin("out0", wmv_audio_decoder_dmo), FindPin("PCM In", vorbis_encoder), null);
ReturnHR = GraphBuilder.ConnectDirect(FindPin("out0", wmv_video_decoder_dmo), FindPin("YUV", vp8_encoder), null);
ReturnHR = GraphBuilder.ConnectDirect(FindPin("Vorbis Out", vorbis_encoder), FindPin("audio", webm_muxer), null);
ReturnHR = GraphBuilder.ConnectDirect(FindPin("VP80", vp8_encoder), FindPin("video", webm_muxer), null);
ReturnHR = GraphBuilder.ConnectDirect(FindPin("outpin", webm_muxer), FindPin("in", file_writer), null);
}
catch (Exception)
{
LogError("Failed to initialize FilterGraph.");
}
finally
{
if (CaptureGraphBuilder2 != null)
{
Marshal.ReleaseComObject(CaptureGraphBuilder2);
CaptureGraphBuilder2 = null;
}
}
}
protected override void SetupGraph()
{
this.HasBeenSetup = true;
// Get the graphbuilder object
this.FilterGraph = new FilterGraph() as IFilterGraph2;
// Get a ICaptureGraphBuilder2 to help build the graph
ICaptureGraphBuilder2 icgb2 = new CaptureGraphBuilder2() as ICaptureGraphBuilder2;
try
{
// Link the ICaptureGraphBuilder2 to the IFilterGraph2
if (icgb2 != null)
{
int hr = icgb2.SetFiltergraph(this.FilterGraph);
DsError.ThrowExceptionForHR(hr);
// Add the filters necessary to render the file. This function will
// work with a number of different file types.
IBaseFilter sourceFilter;
hr = this.FilterGraph.AddSourceFilter(this.fileName, this.fileName, out sourceFilter);
DsError.ThrowExceptionForHR(hr);
// VIDEO
// Get the SampleGrabber interface
this.SampGrabber = (ISampleGrabber)new SampleGrabber();
IBaseFilter baseGrabFlt = (IBaseFilter)this.SampGrabber;
// Configure the Sample Grabber
this.ConfigureSampleGrabber(this.SampGrabber);
// Add it to the filter
hr = this.FilterGraph.AddFilter(baseGrabFlt, "Ds.NET GrabberV");
DsError.ThrowExceptionForHR(hr);
// Connect the pieces together, use the default renderer
hr = icgb2.RenderStream(null, null, sourceFilter, baseGrabFlt, null);
DsError.ThrowExceptionForHR(hr);
// Connect audio
hr = icgb2.RenderStream(null, MediaType.Audio, sourceFilter, null, null);
if (hr != -2147467259 || hr == 0)
{
// don't throw for videos without audio track
DsError.ThrowExceptionForHR(hr);
}
}
IVideoWindow window = (IVideoWindow)this.FilterGraph;
if (window != null)
{
window.put_AutoShow(OABool.False);
}
// Now that the graph is built, read the dimensions of the bitmaps we'll be getting
this.SaveSizeInfo(this.SampGrabber);
// Grab some other interfaces
this.MediaCtrl = this.FilterGraph as IMediaControl;
this.SampGrabber.SetBufferSamples(true);
this.SampGrabber.SetOneShot(false);
this.MediaEvent = this.FilterGraph as IMediaEvent;
this.audio = this.FilterGraph as IBasicAudio;
this.MediaPosition = this.FilterGraph as IMediaPosition;
this.Volume = this.volume;
}
finally
{
if (icgb2 != null)
{
Marshal.ReleaseComObject(icgb2);
}
}
}
// Build the capture graph for grabber and renderer.</summary>
// (Control to show video in, Filename to play)
private void SetupGraph(Control hWin, string FileName)
{
int hr;
m_FilterGraph = new FilterGraph() as IFilterGraph2;
ICaptureGraphBuilder2 icgb2 = new CaptureGraphBuilder2() as ICaptureGraphBuilder2;
try
{
hr = icgb2.SetFiltergraph(m_FilterGraph);
DsError.ThrowExceptionForHR(hr);
IBaseFilter sourceFilter = null;
hr = m_FilterGraph.AddSourceFilter(FileName, FileName, out sourceFilter);
DsError.ThrowExceptionForHR( hr );
// Get the SampleGrabber interface
m_sampGrabber = (ISampleGrabber) new SampleGrabber();
IBaseFilter baseGrabFlt = (IBaseFilter) m_sampGrabber;
// Configure the Sample Grabber
ConfigureSampleGrabber(m_sampGrabber);
// Add it to the filter
hr = m_FilterGraph.AddFilter( baseGrabFlt, "Ds.NET Grabber" );
DsError.ThrowExceptionForHR( hr );
// Connect the pieces together, use the default renderer
hr = icgb2.RenderStream(null, null, sourceFilter, baseGrabFlt, null);
DsError.ThrowExceptionForHR( hr );
// Configure the Video Window
IVideoWindow videoWindow = m_FilterGraph as IVideoWindow;
ConfigureVideoWindow(videoWindow, hWin);
// Grab some other interfaces
m_mediaEvent = m_FilterGraph as IMediaEvent;
m_mediaCtrl = m_FilterGraph as IMediaControl;
}
finally
{
if (icgb2 != null)
{
Marshal.ReleaseComObject(icgb2);
icgb2 = null;
}
}
}
