/// <summary>
/// Provides a byte buffer of the next sample in the internal FIFO (thread-safe)
/// </summary>
/// <returns>byte[].Lenth may =0 if called when internal queue is empty</returns>
public VideoSample DequeueNextSample()
{
//int c;
//lock(outBuffers)
//{
// c = outBuffers.Count;
//}
//Task.Run(() => Debug.WriteLine("buffers ready count: " + c));
PacketizedElementaryStream pes = DequeueNextPacket();
byte[] buf = new byte[0];//empty array
var sample = new VideoSample();
if (pes != null)
{
buf = pes.GetPayload();
if (pes.HasPts)
{
sample.PresentationTimeStamp = pes.PTS;
}
}
sample.Buffer = buf;
return(sample);
}
private PacketizedElementaryStream DequeueNextPacket()
{
PacketizedElementaryStream pes = null;
outBuffers.TryDequeue(out pes);
return(pes);
}
public PacketizedElementaryStream DequeueNextPacket()
{
PacketizedElementaryStream pes = null;
lock (outBuffers)
{
if (outBuffers.Count > 0)
{
pes = outBuffers.Dequeue();
SampleCount = outBuffers.Count;
}
}
return(pes);
}
/// <summary>
/// Provides a byte buffer of the next sample in the internal FIFO (thread-safe)
/// </summary>
/// <returns>byte[].Lenth may =0 if called when internal queue is empty</returns>
public VideoSample DequeueNextSample()
{
PacketizedElementaryStream pes = DequeueNextPacket();
var sample = new VideoSample();
byte[] buff = null;
bool gotPayload = false;
if (pes != null)
{
buff = GetLargeBuffer(pes.EstimateBufferSize());
gotPayload = pes.GetPayload(buff);
if (!gotPayload)
{
ReturnLargeBuffer(buff);
}
if (pes.HasPts)
{
sample.PresentationTimeStamp = pes.PTS;
}
//this is now handled in pes.Dispose() !
//// reclaim buffers
//if (usePool)
//{
// lock (bufferPool)
// {
// var returnedBuffers = pes.GetBuffers();
// foreach (var buffer in returnedBuffers)
// bufferPool.Push(buffer);
// }
//}
}
sample.Buffer = gotPayload ? buff : null;
return(sample);
}
/// <summary>
/// Write the next sample to an output stream.<para/>
/// the returned <see cref="VideoSample.Length"/> = # of bytes writen to outStream
/// </summary>
/// <param name="outStream"></param>
/// <returns><see cref="VideoSample.Length"/> = # of bytes writen to outStream</returns>
private VideoSample DequeueNextSample(System.IO.Stream outStream)
{
VideoSample sample = null;
PacketizedElementaryStream pes = DequeueNextPacket();
if (pes != null)
{
sample = new VideoSample();
//long cursor = outStream.Position;
//pes.WriteToStream(outStream);
if (pes.HasPts)
{
sample.PresentationTimeStamp = pes.PTS;
}
sample.Pes = pes;// (int)(outStream.Position - cursor);
}
return(sample);
}
internal void RecyclePES(PacketizedElementaryStream pes)
{
RecycleSmallBuffer(pes.packets);
pes.packets.Clear();
}