Hi, On Fri, 2011-10-07 at 09:27 +0200, Auer, Andreas wrote: > thanks for the answer. Wouldn't it be possible to demux the RTP > streams > with the payload type of the RTP header? I think there is also this > rtpptdemux > element.
No, multiplexing baed on the payload type is a terrible idea.. Because the sequence numbers are continous across all payload types, so it makes it very painful to find discontinuities after you've split it. The better way to multiplex is by SSRC, but that mean you must decide the SSRCs in advance and negotiate them, which standard SIP doesn't do. > Just to be sure, only the current transmitter architecture prevents > the use > of the same port!? I guess, the RTP elements (bin, session, > source, ...) would > allow the use of the same UDP port if the RTP streams are demuxed > before they > are sent to the gstrtpbin. Is this correct? Yes, if you do it correctly, you only need to change the transmitter architecture to be able to demultiplex the stream before feeding it into rtpbin. Olivier > -----Ursprüngliche Nachricht----- > Von: Olivier Crête [mailto:olivier.cr...@collabora.com] > Gesendet: Do 06.10.2011 16:59 > An: Auer, Andreas > Cc: farsight-devel@lists.sourceforge.net > Betreff: Re: [Farsight-devel] Receiving audio and video streams on the > same port > > Hi, > > On Thu, 2011-10-06 at 13:41 +0200, Auer, Andreas wrote: > > Hi, > > > > Right now, I created an app which streams a video and receives one > RTP > > video stream. Now, I want > > to extend the app and add an audio stream (sending and receiving). > But > > I have to receive the audio > > stream on the same UDP port as the video because I want to integrate > > the system into an existing > > one. > > Is it possible with Farsight2 to receive audio and video streams on > > the same UDP port? > > Short answer: currently, no > > Longer answer: How do you demux the audio and video if they are on the > same port? Make it work would mean changing the transmitter > architecture > a bit, but it isn't impossible to do. And we may have to do it anyway > because of WebRTC. > > -- > Olivier Crête > olivier.cr...@collabora.com > > > -- Olivier Crête olivier.cr...@collabora.com
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