public async Task PushPacket(MPEGTS.Packet pkt)
{
//track from PES start
if (!TransportStreams.ContainsKey(pkt.Pid) && pkt.PayloadUnitStart)
{
TransportStreams.Add(pkt.Pid, new PESStream(pkt));
await OnPacket(pkt.Pid, pkt.Payload);
}
else if (TransportStreams.TryGetValue(pkt.Pid, out PESStream stream) && pkt.HasPayload)
{
if (pkt.PayloadUnitStart && pkt.Continuity == 0 && stream.Continuity == 15)
{
stream.Continuity = pkt.Continuity;
}
else if (pkt.Continuity - 1 == stream.Continuity)
{
stream.Continuity = pkt.Continuity;
}
else
{
//out of order
//throw new Exception("Out of order pkt");
}
await OnPacket(pkt.Pid, pkt.Payload);
stream.Packets.Add(pkt);
}
}
public PESStream(MPEGTS.Packet pkt)
{
Continuity = pkt.Continuity;
Packets.Add(pkt);
}