Re: [rtcweb] Proposal for media receiver request of codec parameter changes (draft-westerlund-avtext-codec-operation-point-00)

Magnus Westerlund <magnus.westerlund@ericsson.com> Fri, 09 March 2012 10:50 UTC

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Date: Fri, 09 Mar 2012 11:50:46 +0100
From: Magnus Westerlund <magnus.westerlund@ericsson.com>
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Subject: Re: [rtcweb] Proposal for media receiver request of codec parameter changes (draft-westerlund-avtext-codec-operation-point-00)
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Hi,

To make it clear. There is an IPR disclosure on this draft from Ericsson.
https://datatracker.ietf.org/ipr/1701/

Regards

Magnus

On 2012-03-08 13:55, Magnus Westerlund wrote:
> WG,
> 
> As an individual I would like to inform you that my colleagues and I
> have submitted a proposal to AVTEXT WG. This proposal is an RTCP
> extension that enables RTP session participants to request the media
> sender to adjust its media parameters, like video resolution.
> 
> The draft can be retrieved here:
> https://datatracker.ietf.org/doc/draft-westerlund-avtext-codec-operation-point/
> 
> One use case we have designed this for is to enable the dynamic updates
> codec parameters as result of WebRTC applications usage of media
> streams. If the application changes the rendering layout or the user
> changes the browser window size, the size of a video playout can change.
> This may happen in a quite dynamic way and often enough that we think
> using a mechanism where the receiver can use a request over the media
> plane rather than the signalling plane to adjust the parameters will
> give a more responsive and satisfying experience. We have also designed
> it with centralized conferencing into mind, allowing the central node to
> aggregate requests to best suit the whole population.
> 
> We request that feedback on the actual extension are directed to the
> AVTEXT WG mailing list: avtext@ietf.org
> 
> I am happy to discuss the usage and applicability to WebRTC on this list.
> 
> Cheers
> 
> Magnus Westerlund
> 
> ----------------------------------------------------------------------
> Multimedia Technologies, Ericsson Research EAB/TVM
> ----------------------------------------------------------------------
> Ericsson AB                | Phone  +46 10 7148287
> Färögatan 6                | Mobile +46 73 0949079
> SE-164 80 Stockholm, Sweden| mailto: magnus.westerlund@ericsson.com
> ----------------------------------------------------------------------
> 
> _______________________________________________
> rtcweb mailing list
> rtcweb@ietf.org
> https://www.ietf.org/mailman/listinfo/rtcweb
> 


-- 

Magnus Westerlund

----------------------------------------------------------------------
Multimedia Technologies, Ericsson Research EAB/TVM
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Ericsson AB                | Phone  +46 10 7148287
Färögatan 6                | Mobile +46 73 0949079
SE-164 80 Stockholm, Sweden| mailto: magnus.westerlund@ericsson.com
----------------------------------------------------------------------