private void ThreadRun()
{
if (writer == null)
{
Failed = true;
return;
}
double packetsPerSecond = (double)(BitsPerSecond / 8) / 188;
ulong packetTime = 27000000 / (ulong)packetsPerSecond;
currentTime = 0;
ulong nextPacketTime = Streams.NextPacketTime;
while (nextPacketTime != 0xFFFFFFFFFFFFFFFF && currentTime < EndAfter)
{
if (currentTime >= ProgramTables.NextPacketTime)
{
// Checking for cancel here means that the mutex on the cancel bool will only be triggered about
// 20 times per second of video processed. This theoretically can cause a mutex lock as many as
// 1000 times a second if I ever tweak the buffer reader on the MPEG-2 video stream to handle
// peeking more efficiently
if (Cancelled)
{
break;
}
writer.Write(ProgramTables.NextPacket().Packet, 0, 188);
currentTime += packetTime;
}
else if (currentTime >= nextPacketTime)
{
TransportPacket nextPacket = Streams.TakePacket(currentTime);
if (nextPacket.HasPCR)
{
nextPacket.SetPCR(currentTime);
}
if (nextPacket.DecoderStamp < currentTime)
{
throw new Exception(nextPacket.PID.ToString("{0:X4}") + " Decoder Stamp " + nextPacket.DecoderStamp.ToString() + " > current time " + currentTime.ToString());
}
writer.Write(nextPacket.Packet, 0, 188);
nextPacketTime = Streams.NextPacketTime;
currentTime += packetTime;
}
else
{
if (PadToConstant)
{
NullPacket.IncrementContinuityCounter();
writer.Write(NullPacket.Packet, 0, 188);
}
currentTime += packetTime;
}
}
Close();
Finished = true;
return;
}
