private void GetSliceTypeAndFrameNumFromH264Payload(StreamDataBlockInfo oneFrameInfo)
{
int count = oneFrameInfo.SliceSize;
_reader.BaseStream.Position = (long)oneFrameInfo.StreamOffset;
BinaryReader binReader = new BinaryReader(_reader.BaseStream);
byte[] buf = _reader.ReadBytes(count);
H264Sample sample = new H264Sample(_sps, _pps, count);
sample.ParseSample(buf);
oneFrameInfo.CTS = (ulong)sample.FrameNum;
if (sample.SliceType == SliceTypes.B)
{
oneFrameInfo.SliceType = SliceType.BFrame;
}
else if (sample.SliceType == SliceTypes.I)
{
oneFrameInfo.SliceType = SliceType.IFrame;
}
else
{
oneFrameInfo.SliceType = SliceType.DFrame;
}
}
public override Slice GetSample(StreamDataBlockInfo SampleInfo)
{
Slice ans = new Slice();
ans.Copy(SampleInfo);
ans.SliceBytes = new byte[SampleInfo.SliceSize];
// read H264 payload for display and processing --
// for display:
ParentStream.Stream.Position = (long)ans.StreamOffset;
ParentStream.Stream.Read(ans.SliceBytes, 0, ans.SliceSize);
// for processing:
// (hand-off the payload processing to a separate thread so this method
// can return immediately)
#if MV_Centerus
H264Sample sample = new H264Sample(_sps, _pps, ans.SliceSize);
sample.SampleDoneEvent += CompletionCallback;
sample.ParseSample(ans.SliceBytes); // async call
samples.Add(sample);
#endif
return (ans);
}
public override Slice GetSample(StreamDataBlockInfo SampleInfo)
{
Slice ans = new Slice();
ans.Copy(SampleInfo);
ans.SliceBytes = new byte[SampleInfo.SliceSize];
// read H264 payload for display and processing --
// for display:
ParentStream.Stream.Position = (long)ans.StreamOffset;
ParentStream.Stream.Read(ans.SliceBytes, 0, ans.SliceSize);
// for processing:
// (hand-off the payload processing to a separate thread so this method
// can return immediately)
#if MV_Centerus
H264Sample sample = new H264Sample(_sps, _pps, ans.SliceSize);
sample.SampleDoneEvent += CompletionCallback;
sample.ParseSample(ans.SliceBytes); // async call
samples.Add(sample);
#endif
return(ans);
}
private void GetSliceTypeAndFrameNumFromH264Payload(StreamDataBlockInfo oneFrameInfo)
{
int count = oneFrameInfo.SliceSize;
_reader.BaseStream.Position = (long)oneFrameInfo.StreamOffset;
BinaryReader binReader = new BinaryReader(_reader.BaseStream);
byte[] buf = _reader.ReadBytes(count);
H264Sample sample = new H264Sample(_sps, _pps, count);
sample.ParseSample(buf);
oneFrameInfo.CTS = (ulong)sample.FrameNum;
if (sample.SliceType == SliceTypes.B)
oneFrameInfo.SliceType = SliceType.BFrame;
else if (sample.SliceType == SliceTypes.I)
oneFrameInfo.SliceType = SliceType.IFrame;
else
oneFrameInfo.SliceType = SliceType.DFrame;
}
private void CompletionCallback(H264Sample sample)
{
samples.Remove(sample);
}
private void CompletionCallback(H264Sample sample)
{
samples.Remove(sample);
}
