Re: [MMUSIC] draft-jennings-mmusic-adjacent-grouping

Cullen Jennings <fluffy@cisco.com> Mon, 11 July 2011 16:10 UTC

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From: Cullen Jennings <fluffy@cisco.com>
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Date: Mon, 11 Jul 2011 09:10:53 -0700
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Subject: Re: [MMUSIC] draft-jennings-mmusic-adjacent-grouping
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thanks - makes sense - I fixed up the latest version to support multiple grids. 

On Mar 23, 2011, at 20:01 , Paul Kyzivat wrote:

> (Just catching up on my reading...)
> 
> One observation about this draft:
> 
> The grouping framework permits multiple groups to be formed with the same semantics. (E.g. you could define two audio/video groups, each to be lip synchronized.)
> 
> Analogously, one could presumably use the ADJ grouping semantic to form two independent groups of video streams.
> 
> OTOH, you might want to form two different groupings of m-lines that both map onto the same grid of devices. (For instance, a grouping of video m-lines and a corresponding grouping of audio m-lines.)
> 
> But the a=media-grid-dims attribute doesn't provide any way to identify which group it applies to if there is more than one.
> 
> At the very least, the issue of what to do when there are multiple adjacency groupings ought to be discussed.
> 
> 	Thanks,
> 	Paul


Cullen Jennings
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