Re: [rtcweb] Congratuiations on the Cisco announcement - but we still prefer VP8

Harald Alvestrand <harald@alvestrand.no> Thu, 07 November 2013 06:44 UTC

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Date: Thu, 07 Nov 2013 07:43:42 +0100
From: Harald Alvestrand <harald@alvestrand.no>
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Subject: Re: [rtcweb] Congratuiations on the Cisco announcement - but we still prefer VP8
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On 11/07/2013 07:35 AM, David Singer wrote:
> On Nov 7, 2013, at 15:19 , Harald Alvestrand <hta@google.com> wrote:
>
>> Re performance, and just so that silence isn't taken as me agreeing with David Singer on this topic:
>>
>> I haven't wanted to distract from the debate at hand by tossing more numbers around, but we do think VP8 is significantly better than Baseline. The exchanges with Ericsson have shown that we need to be meticulously clear in defining what we mean by that and how we measure it, so I won't post more numbers until I feel that our description is precise enough.
> I also would like to see some tests which tell us where we really are.  A lot of us are engineers who like having facts, even if, as many of us realize, the comparative performance is a minor part of the debate.
>
> I welcome Ericsson's efforts to get clarity in this area; they seem to have been working very hard to get a level playing field measure, and if you can help that effort, this would be all to the good.

Yes, agreeing on what the word "level" means seems to be a difficult
undertaking!

The code we're working from lives on this repository:

http://git.chromium.org/webm/vpx_codec_comparison.git

Ericsson's fork has been posted to the list back in July.

>
>
> David Singer
> Multimedia and Software Standards, Apple Inc.
>
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