[streaming] send in rtp/rtcp modules

Rémi Denis-Courmont remi at remlab.net
Wed Jul 15 18:00:46 CEST 2009


Le mercredi 15 juillet 2009 18:54:05 Axel Voss, vous avez écrit :
> I transcode video mpeg 2 ts to h264 and audio ac3 to aac. The output is a
> rtp stream without any muxer (nal in rtp). With the suitable sdp file the
> software receiver like vlc or quicktime can decode and play it fine. But
> now a have a hardware like a set top box. The result here is an
> unsynchronized audio/video with a stottering video. This decoder hardware
> works fine with other encoders. Wireshark shows me the differences. The
> other encoders send the rtcp packets for audio and video as a pair at the
> same time and near the same distance. I see that in the rtp module the
> ThreadSend function calls the SendRTCP function. I assume that the audio
> und video threads works relatively seperate (without any synchronize). I
> would like test a send out with paired audio/video rtcp packets. I
> understand the code and processes, but ones is a black hole: the send ()
> function. Where is the definition/implementation of this function? 

http://www.opengroup.org/onlinepubs/9699919799/functions/send.html

-- 
Rémi Denis-Courmont
http://www.remlab.net/



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