protected override void BuildGraph(string path)
{
// Build partial graph
IPin videoOutput = null, audioOutput = null;
{
VideoRendererDefault videoRenderer = new VideoRendererDefault();
DSoundRender audioRenderer = new DSoundRender();
try
{
GraphBuilder.AddFilter(videoRenderer as IBaseFilter, "Default Video Renderer");
GraphBuilder.AddFilter(audioRenderer as IBaseFilter, "Default Audio Renderer");
GraphBuilder.RenderFile(path, null);
// Get Connected Pins
{
IPin videoInput = Util.FindInputPin(videoRenderer as IBaseFilter);
videoInput.ConnectedTo(out videoOutput);
Util.FreePin(videoInput);
IPin audioInput = Util.FindInputPin(audioRenderer as IBaseFilter);
audioInput.ConnectedTo(out audioOutput);
Util.FreePin(audioInput);
}
GraphBuilder.RemoveFilter(videoRenderer as IBaseFilter);
GraphBuilder.RemoveFilter(audioRenderer as IBaseFilter);
}
finally
{
Marshal.ReleaseComObject(videoRenderer);
Marshal.ReleaseComObject(audioRenderer);
}
}
// build video grabber
if (videoOutput != null)
{
this.VideoGrabber = BuildGrabber("Video", videoOutput,
MEDIATYPE_Video, MEDIASUBTYPE_RGB32, FORMAT_VideoInfo, OnVideoFrame) as ISampleGrabber;
this.VideoInfo = GetMediaFormat <VideoInfoHeader>(VideoGrabber);
Marshal.ReleaseComObject(videoOutput);
}
// build audio grabber
if (audioOutput != null)
{
this.AudioGrabber = BuildGrabber("Audio", audioOutput,
MEDIATYPE_Audio, MEDIASUBTYPE_PCM, FORMAT_WaveFormatEx, OnAudioFrame) as ISampleGrabber;
this.AudioInfo = GetMediaFormat <WaveFormatEx>(AudioGrabber);
Marshal.ReleaseComObject(audioOutput);
}
}
private async void Button_Click(object sender, RoutedEventArgs e)
{
OpenFileDialog lopenFileDialog = new OpenFileDialog();
lopenFileDialog.AddExtension = true;
var lresult = lopenFileDialog.ShowDialog();
if (lresult != true)
{
return;
}
IBaseFilter lDSoundRender = new DSoundRender() as IBaseFilter;
m_pGraph.AddFilter(lDSoundRender, "Audio Renderer");
int k = 0;
IPin[] lAudioRendererPins = new IPin[1];
IEnumPins ppEnum;
k = lDSoundRender.EnumPins(out ppEnum);
k = ppEnum.Next(1, lAudioRendererPins, IntPtr.Zero);
var lCaptureManagerEVRMultiSinkFactory = await CaptureManagerVideoRendererMultiSinkFactory.getInstance().getICaptureManagerEVRMultiSinkFactoryAsync();
uint lMaxVideoRenderStreamCount = await lCaptureManagerEVRMultiSinkFactory.getMaxVideoRenderStreamCountAsync();
if (lMaxVideoRenderStreamCount == 0)
{
return;
}
List <object> lOutputNodesList = await lCaptureManagerEVRMultiSinkFactory.createOutputNodesAsync(
IntPtr.Zero,
mEVRDisplay.Surface.texture,
1);
if (lOutputNodesList.Count == 0)
{
return;
}
IBaseFilter lVideoMixingRenderer9 = (IBaseFilter)lOutputNodesList[0];
var h = m_pGraph.AddFilter(lVideoMixingRenderer9, "lVideoMixingRenderer9");
IPin[] lVideoRendererPin = new IPin[1];
k = lVideoMixingRenderer9.EnumPins(out ppEnum);
k = ppEnum.Next(1, lVideoRendererPin, IntPtr.Zero);
IBaseFilter m_SourceFilter = null;
m_pGraph.AddSourceFilter(lopenFileDialog.FileName, null, out m_SourceFilter);
IEnumPins lEnumPins = null;
m_SourceFilter.EnumPins(out lEnumPins);
IPin[] lPins = new IPin[1];
while (lEnumPins.Next(1, lPins, IntPtr.Zero) == 0)
{
IEnumMediaTypes lIEnumMediaTypes;
lPins[0].EnumMediaTypes(out lIEnumMediaTypes);
AMMediaType[] ppMediaTypes = new AMMediaType[1];
while (lIEnumMediaTypes.Next(1, ppMediaTypes, IntPtr.Zero) == 0)
{
var gh = ppMediaTypes[0].subType;
if (ppMediaTypes[0].majorType == DirectShowLib.MediaType.Video)
{
k = m_pGraph.Connect(lPins[0], lVideoRendererPin[0]);
}
}
foreach (var item in lPins)
{
k = m_pGraph.Render(item);
}
}
IMediaControl lIMediaControl = m_pGraph as IMediaControl;
k = lIMediaControl.Run();
}
protected override void BuildGraph(string path)
{
// Build partial graph
IPin videoOutput = null, audioOutput = null;
{
VideoRendererDefault videoRenderer = new VideoRendererDefault();
DSoundRender audioRenderer = new DSoundRender();
try
{
GraphBuilder.AddFilter(videoRenderer as IBaseFilter, "Default Video Renderer");
GraphBuilder.AddFilter(audioRenderer as IBaseFilter, "Default Audio Renderer");
GraphBuilder.RenderFile(path, null);
// Get Connected Pins
{
IPin videoInput = Util.FindInputPin(videoRenderer as IBaseFilter);
videoInput.ConnectedTo(out videoOutput);
Util.FreePin(videoInput);
IPin audioInput = Util.FindInputPin(audioRenderer as IBaseFilter);
audioInput.ConnectedTo(out audioOutput);
Util.FreePin(audioInput);
}
GraphBuilder.RemoveFilter(videoRenderer as IBaseFilter);
GraphBuilder.RemoveFilter(audioRenderer as IBaseFilter);
}
finally
{
Marshal.ReleaseComObject(videoRenderer);
Marshal.ReleaseComObject(audioRenderer);
}
}
// build video grabber
if (videoOutput != null)
{
this.VideoGrabber = BuildGrabber("Video", videoOutput,
MEDIATYPE_Video, MEDIASUBTYPE_RGB32, FORMAT_VideoInfo, OnVideoFrame) as ISampleGrabber;
this.VideoInfo = GetMediaFormat<VideoInfoHeader>(VideoGrabber);
Marshal.ReleaseComObject(videoOutput);
}
// build audio grabber
if (audioOutput != null)
{
this.AudioGrabber = BuildGrabber("Audio", audioOutput,
MEDIATYPE_Audio, MEDIASUBTYPE_PCM, FORMAT_WaveFormatEx, OnAudioFrame) as ISampleGrabber;
this.AudioInfo = GetMediaFormat<WaveFormatEx>(AudioGrabber);
Marshal.ReleaseComObject(audioOutput);
}
}
