[AVT] Cross-layer decoding order (was Re: Comments on the major open issue of draft-ietf-avt-rtp-svc-07.txt, cross layer decoding order dependency)

[Colin Perkins <csp at csperkins.org>]

On 11 Feb 2008, at 22:58, Jonathan Lennox wrote:
...
> More architecturally, I wonder if cross-layer decoding is a question
> that should be addressed in a generic manner rather than per-media.
> Several drafts have been presented recently for audio codecs which do
> session multiplexing in a very similar way to H.264/SVC, and they also
> need to be able to indicate a global decoding order.  Should this be
> addressed as a generic problem?


That's an interesting idea. If there are sufficient commonalities  
between the different payload formats, it makes sense to use a common  
mechanism if such a thing is possible (perhaps either an extension to  
the RTP header, or a common building block used in different payload  
headers).

-- 
Colin Perkins
http://csperkins.org/


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