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.
const string FileName = "delme.out";
int hr;
IBaseFilter pFilter;
object o;
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);
Marshal.ReleaseComObject(pFilter);
Marshal.ReleaseComObject(icgb);
IStreamBufferSink isbc = (IStreamBufferSink)sbk;
hr = isbc.LockProfile("delme.prf");
DsError.ThrowExceptionForHR(hr);
File.Delete(FileName);
hr = isbc.CreateRecorder("delme.out", RecordingType.Content, out o);
DsError.ThrowExceptionForHR(hr);
// Make sure we really got a recorder object
IStreamBufferRecordingAttribute sbra = (IStreamBufferRecordingAttribute)o;
hr = sbra.EnumAttributes(out m_sbra);
DsError.ThrowExceptionForHR(hr);
}
private void TestLock()
{
int hr;
hr = m_isbc.IsProfileLocked();
Debug.Assert(hr == 1, "Locked 1");
hr = m_isbc.LockProfile("delme.prf");
DsError.ThrowExceptionForHR(hr);
hr = m_isbc.IsProfileLocked();
Debug.Assert(hr == 0, "Locked 2");
}
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);
m_isbc = (IStreamBufferSink)sbk;
hr = m_isbc.LockProfile(null);
DsError.ThrowExceptionForHR(hr);
Marshal.ReleaseComObject(pFilter);
Marshal.ReleaseComObject(icgb);
}
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);
IPin i = DsFindPin.ByDirection((IBaseFilter)sbk, PinDirection.Input, 0);
((IMediaControl)m_FilterGraph).Run();
// --------------------------
IBaseFilter streamBuffer = null;
m_FilterGraph2 = (IFilterGraph2) new FilterGraph();
DsROTEntry ds2 = new DsROTEntry(m_FilterGraph2);
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);
IPin i2 = DsFindPin.ByDirection((IBaseFilter)streamBuffer, PinDirection.Output, 0);
((IMediaControl)m_FilterGraph2).Run();
m_sbms = (IStreamBufferMediaSeeking2)sbsrc;
// --------------------------
Marshal.ReleaseComObject(pFilter);
Marshal.ReleaseComObject(icgb);
}