void IRecorder.Play(string filename)
{
int hr;
IMediaControl mediaControl2 = this.graphBuilder2 as IMediaControl;
FilterState pfs2;
mediaControl2.GetState(0, out pfs2);
if (pfs2 == FilterState.Running || pfs2 == FilterState.Paused)
{
hr = mediaControl2.Stop();
DsError.ThrowExceptionForHR(hr);
}
//IStreamBufferSink sink = this.streamBufferSink as IStreamBufferSink;
IStreamBufferSource source = this.streamBufferSource as IStreamBufferSource;
hr = source.SetStreamSink(null);
hr = (source as IFileSourceFilter).Load(filename, null);
mediaControl2.GetState(0, out pfs2);
if (pfs2 != FilterState.Running)
{
hr = mediaControl2.Run();
DsError.ThrowExceptionForHR(hr);
}
}
private void TestSetSink()
{
int hr;
IBaseFilter streamBuffer = null;
IFilterGraph2 m_FilterGraph2 = (IFilterGraph2) new FilterGraph();
streamBuffer = (IBaseFilter) new StreamBufferSource();
hr = m_FilterGraph2.AddFilter(streamBuffer, "Stream buffer sink");
DsError.ThrowExceptionForHR(hr);
IStreamBufferSource sbsrc = (IStreamBufferSource)streamBuffer;
hr = sbsrc.SetStreamSink(m_isbc);
DsError.ThrowExceptionForHR(hr);
Marshal.ReleaseComObject(streamBuffer);
Marshal.ReleaseComObject(m_FilterGraph2);
}
private void ConnectStreamBufferSinkToSource()
{
if (!Directory.Exists(Settings.VideosFolder))
{
Directory.CreateDirectory(Settings.VideosFolder);
}
string currentSBEProfile = Settings.VideosFolder + "\\CurrentRecording.sbe-stub";
string currentSBEProfileFilename = FileUtils.GetAbsolutePath(currentSBEProfile as string);
IStreamBufferSink sink = this.streamBufferSink as IStreamBufferSink;
int hr = sink.LockProfile(currentSBEProfile); //currentSBEProfileFilename); //currentSBEProfile);
DsError.ThrowExceptionForHR(hr);
IStreamBufferSource source = this.streamBufferSource as IStreamBufferSource;
hr = source.SetStreamSink(sink); // This line does not seem to be compatible with SBE2Sink.
//So, I commented out the generation of exception DsError.ThrowExceptionForHR(hr);
hr = (source as IFileSourceFilter).Load(currentSBEProfile, null); //currentSBEProfileFilename, null); //currentSBEProfile, null);
DsError.ThrowExceptionForHR(hr);
}
private void Configure()
{
// In order to lock a profile, you have to have at least one stream
// connected to the sink. I connect a video thru the DVVideoEnc into
// the StreamBufferSink.
int hr;
IBaseFilter pFilter;
ICaptureGraphBuilder2 icgb = (ICaptureGraphBuilder2) new CaptureGraphBuilder2();
StreamBufferSink sbk = new StreamBufferSink();
m_FilterGraph = (IFilterGraph2) new FilterGraph();
DsROTEntry ds = new DsROTEntry(m_FilterGraph);
hr = icgb.SetFiltergraph(m_FilterGraph);
DsError.ThrowExceptionForHR(hr);
hr = m_FilterGraph.AddFilter((IBaseFilter)sbk, "StreamBufferSink");
DsError.ThrowExceptionForHR(hr);
DsDevice [] devs = DsDevice.GetDevicesOfCat(FilterCategory.VideoInputDevice);
hr = m_FilterGraph.AddSourceFilterForMoniker(devs[0].Mon, null, devs[0].Name, out pFilter);
DsError.ThrowExceptionForHR(hr);
DVVideoEnc dve = new DVVideoEnc();
IBaseFilter ibfVideoEnc = (IBaseFilter)dve;
hr = m_FilterGraph.AddFilter(ibfVideoEnc, "dvenc");
DsError.ThrowExceptionForHR(hr);
hr = icgb.RenderStream(null, null, pFilter, ibfVideoEnc, (IBaseFilter)sbk);
DsError.ThrowExceptionForHR(hr);
IStreamBufferSink isbc = (IStreamBufferSink)sbk;
hr = isbc.LockProfile(null);
DsError.ThrowExceptionForHR(hr);
((IMediaControl)m_FilterGraph).Run();
// --------------------------
IBaseFilter streamBuffer = null;
m_FilterGraph2 = (IFilterGraph2) new FilterGraph();
streamBuffer = (IBaseFilter) new StreamBufferSource();
hr = m_FilterGraph2.AddFilter(streamBuffer, "Stream buffer sink");
DsError.ThrowExceptionForHR(hr);
IStreamBufferSource sbsrc = (IStreamBufferSource)streamBuffer;
hr = sbsrc.SetStreamSink(isbc);
DsError.ThrowExceptionForHR(hr);
((IMediaControl)m_FilterGraph2).Run();
m_sbms = (IStreamBufferMediaSeeking)sbsrc;
// --------------------------
Marshal.ReleaseComObject(pFilter);
Marshal.ReleaseComObject(icgb);
}