[Jingle] Jingle for multiparty sessions

Emil Ivov emcho at jitsi.org
Sun Jul 3 18:30:17 UTC 2011


On Jul 3, 2011 7:19 PM, "Olivier Crête" <olivier.crete at collabora.com> wrote:
>
> On Sun, 2011-07-03 at 11:11 +0200, Emil Ivov wrote:
> > На 03.07.11 09:32, Adi написа:
> > > Emil - So in jitsi, if you have n clients doing video chat, do you
hold
> > > n x n peer to peer udp connections?
> >
> > Nope. Coin would only require n-1 RTP sessions for n participants.
>
> That's true for audio (since you can do mixing), but not for video,
> since every one needs to receive every video stream

Hm? Why would that be? Mixing video is a perfectly valid option and it is up
to applications to determine whether to use it or to just send all the
streams.

> (although you can
> SSRC mux them and then reduce the total number of ICE sessions)
>
> > P.S. In all fairness, even Muji only requires only n*(n+1)/2 sessions
> > and not n*n.
>
> The grand design for Muji is to allow any participant to declare itself
> to be a mixer/relay/transcode that the other could use to reduce the
> total number of RTP sessions, but it's still in the grand design phase.

Looking forward to seeing it spec-ed and implemented then.

Emil
--sent from my mobile

>
> --
> Olivier Crête
> olivier.crete at collabora.com
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