void IRecorder.Start(string filename)
{
IStreamBufferSink sink = this.streamBufferSink as IStreamBufferSink;
object pRecUnk;
//int hr = sink.CreateRecorder(filename, RecordingType.Reference, out pRecUnk);
int hr = sink.CreateRecorder(filename, RecordingType.Content, out pRecUnk);
if (hr >= 0)
{
long rtStart = 0;
//IStreamBufferMediaSeeking mediaSeeking = this.streamBufferSource as IStreamBufferMediaSeeking;
//if (mediaSeeking != null)
//{
// // Reference time (100-nanosecond units). 100 * 10e-9 = 10e-7 = 10000000
// mediaSeeking.GetCurrentPosition(out rtStart);
//}
// Start the recording.
this.currentRecorderControl = pRecUnk as IStreamBufferRecordControl;
//long rtStart = -10000000; // Start 1 seconds ago.
hr = this.currentRecorderControl.Start(ref rtStart);
DsError.ThrowExceptionForHR(hr);
IsPossibleRecorderStart = false;
IsPossibleRecorderStop = true;
}
}
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 TestRecorder()
{
const string FileName = "delme.out";
int hr;
object o;
short c;
File.Delete(FileName);
hr = m_isbc.CreateRecorder("delme.out", RecordingType.Content, out o);
DsError.ThrowExceptionForHR(hr);
// Make sure we really got a recorder object
IStreamBufferRecordingAttribute i = o as IStreamBufferRecordingAttribute;
hr = i.GetAttributeCount(0, out c);
DsError.ThrowExceptionForHR(hr);
Debug.Assert(c != 0, "CreateRecorder");
}
