[vlc-devel] [PATCH] live555 : enable/disable tracks on the fly

David Glaude david.glaude at gmail.com
Thu Dec 8 16:06:47 CET 2011

Le 8 décembre 2011 15:04, Rémi Denis-Courmont <remi at remlab.net> a écrit :

>   Hello,
> On Thu, 8 Dec 2011 14:45:23 +0100, David Glaude <david.glaude at gmail.com>
> wrote:
> > Even if you do not have one rtsp server that support that...
> The VLC RTSP server does (and always did).

I need to check this (see below.

> > Do you know if there is any RTSP server that support streaming
> > multi-audio content = not all simultaniously but only those requested (I
> am
> > thinking in particular to something supporting 3GPP v6 and the
> > specification in MP4 file of alternate track)?
> Do you know any RTSP server that would _not_ support track selection?
> I mean, I do not think it is even possible, since the RTSP SETUP request
> can only enable one track at a time.

Selecting track in the SETUP is one thing...
But for the server to present all the available alternative as alternative
in the SDP;
Or for the client to understand those alternative and let the client be
offered the choice is another thing.

While the standard describe all this, I fail to find product that implement
all this.

For more info on this, 'tsel' box you can check a related ticket here

Google found this PDF version of the 3GPPv6 documentation where it is
explain in and after (but also with a sample in Annex A exemple 4,
5, 6 and 7) in this http://www.quintillion.co.jp/3GPP/Specs/26234-650.pdf

Thanks anyway.

David Glaude
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