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 ---------------------------------------------------------------------- Ericsson AB | Phone +46 10 7148287 Färögatan 6 | Mobile +46 73 0949079 SE-164 80 Stockholm, Sweden| mailto: magnus.westerlund@ericsson.com ----------------------------------------------------------------------
- [rtcweb] Proposal for media receiver request of c… Magnus Westerlund
- Re: [rtcweb] Proposal for media receiver request … Magnus Westerlund