Re: [rtcweb] Video Codec Selection Plan

Ralph Giles <giles@thaumas.net> Fri, 13 September 2013 17:41 UTC

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Date: Fri, 13 Sep 2013 10:41:28 -0700
From: Ralph Giles <giles@thaumas.net>
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Subject: Re: [rtcweb] Video Codec Selection Plan
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On 13-09-13 9:59 AM, Matthew Kaufman wrote:
> 1. Please explain why this decision is an IETF decision and not a W3C
> decision, given that it is a choice about what to mandate in the
> presentation layer as codec, NOT what to mandate for the on-the-wire
> transport format (which has already been selected as DTLS-SRTP with an
> appropriate IETF payload based on the application)

This working group selected OPUS and G711 as MTI audio codecs to avoid
session negotiation failure. Session negotiation being part of the
WebRTC protocol suite being specified within the IETF.

The same arguments apply to a video codec. If we can find rough
consensus to specify one it is useful to do so.

 -r