[xiph-rtp] Difficulties with several RTP streams for a Vorbis stream.

Tor-Einar Jarnbjo Tor-Einar at Jarnbjo.de
Sun Oct 31 11:22:09 PST 2004


Ramón García wrote:

>The proposal of Tor-Einar would require two streams, and a mechanism
>for linking them, perhaps the SDP file would have an attribute of the
>data session for the stream of the codebook session. This is
>surprising for any multimedia framework, that one RTP session contains
>data that is necessary for decoding the second.
>  
>
Is it less "surprising" for the media framework to read the setup header 
from an http url? I checked the Java Media Framework and it seems as if 
the depacketizer has no access at all to the session descriptor, so it 
wouldn't be able to decode the stream at all if not all necessary info 
is sent in-band.

>Compared to using an URL this approach is scalable in a multicast
>scenario. One codebook delivery is useful for all clients.
>
No, it's not scaleable and the codebook retransmission is not useful for 
clients, which already have the codebook

Tor



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