Re: [rtcweb] Making both VP8 and H264 MTI
cowwoc <cowwoc@bbs.darktech.org> Tue, 05 November 2013 23:59 UTC
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Date: Tue, 05 Nov 2013 18:59:42 -0500
From: cowwoc <cowwoc@bbs.darktech.org>
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To: Justin Uberti <juberti@google.com>
References: <CE9E91B2.1BEAA%mzanaty@cisco.com> <8EB7C7F2-105D-4CFB-AC06-F8BB331A4736@cisco.com> <5279339B.9040506@bbs.darktech.org> <CAOJ7v-3xE-e5Tdbw-V27eF38a6PhEYZEZwVMPGp8m+ogTWanCQ@mail.gmail.com>
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Cc: "rtcweb@ietf.org" <rtcweb@ietf.org>
Subject: Re: [rtcweb] Making both VP8 and H264 MTI
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Justin, What happens to P2P video chat? Are we throwing that out of the window? A P2P-based mesh is superior to one with AWS in the middle for a couple of reasons: * Privacy * Cost * Consistent latency * Ease of deployment Gili On 05/11/2013 6:25 PM, Justin Uberti wrote: > The cost equation for CPU versus network is shifted enough in favor of > CPU that considering old codecs like H.261 makes no financial sense. > If you look at AWS pricing, the CPU cost of reducing bitrate from 1 > Mbps to 750 Kbps is more than made up by the network cost. > > http://aws.amazon.com/ec2/pricing/ > 250 Kbps * 1 hour = $0.11 > high-compute instance for an hour = $0.05 (1 HD transcode = 4 SD > transcodes) > > Transcoding isn't the bogeyman people are making it out to be. > > > On Tue, Nov 5, 2013 at 10:06 AM, cowwoc <cowwoc@bbs.darktech.org > <mailto:cowwoc@bbs.darktech.org>> wrote: > > Cullen, > > In light of the fact that vendors are highly polarized on this > topic, I'd like to suggest the following voting order: > > 1. Should *both* H.264 and VP8 be MTI? > > If there is a consensus for yes, stop here. > > 2a. Should *only* H.264 be MTI? or, > 2b. Should *only* VP8 be MTI? > > If there is a consensus for either one, stop here. > > 3a. Should *only* H.261 be MTI? or, > 3b. Should no codec be MTI? (this implies transcoding) > > Given the final choice (H.261 or no MTI) I suspect many > vendors would choose H.261 and upgrade to H.264/VP8 at runtime. No > one really wants to go back to the days of transcoding. > > Gili > > > On 05/11/2013 12:44 PM, Cullen Jennings (fluffy) wrote: > > Right now there is no proposal on the table for the MTI to be > both VP8 and H.264 and the deadline was back in October so > it's not a topic the chairs feel ready to discuss in the > thursday meeting. > > I will note that in the past when this idea was discussed, the > people who were concerned about IPR for either codec pointed > out that this could only increased, not decreased, the IPR > concerns. > > The chairs are more concerned about neither choice being > acceptable. If we found out that both are acceptable, that > will be a good situation and we will find a reasonable way to > proceed from there that is acceptable to the WG. Alternative > process is the last resort. From a chair point of view, it > really better if people actually honestly answer the question > in a consensus call instead gaming the system. > > Cullen - Just one of the chairs and I hope my co-chairs add > more but they are both in meetings right now > > > On Nov 5, 2013, at 9:27 AM, "Mo Zanaty (mzanaty)" > <mzanaty@cisco.com <mailto:mzanaty@cisco.com>> > wrote: > > This is an important point the chairs must clarify. If > there is strong > support for both questions, will the chair interpret that > as support for 2 > MTIs, or declare no consensus, forcing us into alternative > processes? I > support both as MTI. But if raising my hand twice > increases the likelihood > of an alternative process, I will only support one > (despite objecting to > being forced to support only one). > > Mo > > > On 11/5/13, 9:46 AM, Martin Thomson > <martin.thomson@gmail.com > <mailto:martin.thomson@gmail.com>> wrote: > > On 5 November 2013 06:18, Hutton, Andrew > <andrew.hutton@unify.com <mailto:andrew.hutton@unify.com>> > wrote: > > How would we conclude that the community would like > both to be made MTI? > > > If I were to pretend that I am a process wonk, I might say > something > like: if the objections to both questions are weak AND if the > objectors are unable to find reasons that pass muster. > _______________________________________________ > rtcweb mailing list > rtcweb@ietf.org <mailto:rtcweb@ietf.org> > https://www.ietf.org/mailman/listinfo/rtcweb > > _______________________________________________ > rtcweb mailing list > rtcweb@ietf.org <mailto:rtcweb@ietf.org> > https://www.ietf.org/mailman/listinfo/rtcweb > > > _______________________________________________ > rtcweb mailing list > rtcweb@ietf.org <mailto:rtcweb@ietf.org> > https://www.ietf.org/mailman/listinfo/rtcweb > >
- Re: [rtcweb] Making both VP8 and H264 MTI Mo Zanaty (mzanaty)
- Re: [rtcweb] Making both VP8 and H264 MTI Leon Geyser
- [rtcweb] Making both VP8 and H264 MTI Hutton, Andrew
- Re: [rtcweb] Making both VP8 and H264 MTI Martin Thomson
- Re: [rtcweb] Making both VP8 and H264 MTI Leon Geyser
- Re: [rtcweb] Making both VP8 and H264 MTI Bernard Aboba
- Re: [rtcweb] Making both VP8 and H264 MTI Wolfgang Beck
- Re: [rtcweb] Making both VP8 and H264 MTI Mo Zanaty (mzanaty)
- Re: [rtcweb] Making both VP8 and H264 MTI Cullen Jennings (fluffy)
- Re: [rtcweb] Making both VP8 and H264 MTI cowwoc
- Re: [rtcweb] Making both VP8 and H264 MTI cowwoc
- Re: [rtcweb] Making both VP8 and H264 MTI cowwoc
- Re: [rtcweb] Making both VP8 and H264 MTI Mohammed Raad
- Re: [rtcweb] Making both VP8 and H264 MTI cowwoc
- Re: [rtcweb] Making both VP8 and H264 MTI Karl Stahl
- Re: [rtcweb] Making both VP8 and H264 MTI Justin Uberti
- Re: [rtcweb] Making both VP8 and H264 MTI cowwoc
- Re: [rtcweb] Making both VP8 and H264 MTI Markus.Isomaki
- Re: [rtcweb] Making both VP8 and H264 MTI bryandonnovan
- Re: [rtcweb] Making both VP8 and H264 MTI Justin Uberti
- Re: [rtcweb] Making both VP8 and H264 MTI cowwoc
- Re: [rtcweb] Making both VP8 and H264 MTI Mohammed Raad
- Re: [rtcweb] Making both VP8 and H264 MTI cowwoc
- Re: [rtcweb] Making both VP8 and H264 MTI Ron
- Re: [rtcweb] Making both VP8 and H264 MTI David Singer
- Re: [rtcweb] Making both VP8 and H264 MTI cowwoc
- Re: [rtcweb] Making both VP8 and H264 MTI cowwoc
- Re: [rtcweb] Making both VP8 and H264 MTI Daniel-Constantin Mierla
- Re: [rtcweb] Making both VP8 and H264 MTI cowwoc
- Re: [rtcweb] Making both VP8 and H264 MTI Mohammed Raad
- Re: [rtcweb] Making both VP8 and H264 MTI David Singer
- Re: [rtcweb] Making both VP8 and H264 MTI Ron
- Re: [rtcweb] Making both VP8 and H264 MTI Mohammed Raad
- Re: [rtcweb] Making both VP8 and H264 MTI cowwoc
- Re: [rtcweb] Making both VP8 and H264 MTI David Singer
- Re: [rtcweb] Making both VP8 and H264 MTI Martin J. Dürst