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

Ross Finlayson finlayson at live555.com
Thu Dec 8 20:16:20 CET 2011

> 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;

FWIW, the LIVE555 RTSP server implementation supports this; For each 'session' (stream), you (the server developer) can include as many different 'subsessions' (tracks) as you want (and, of course, the client can, in principle, select whichever one(s) it wants).  To see how to do this, look at the code for our "testOnDemandRTSPServer" demo application.

Ross Finlayson
Live Networks, Inc.

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