Re: [rtcweb] On the topic of MTI video codecs

Leon Geyser <lgeyser@gmail.com> Wed, 30 October 2013 18:20 UTC

Return-Path: <lgeyser@gmail.com>
X-Original-To: rtcweb@ietfa.amsl.com
Delivered-To: rtcweb@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 89E5711E818B for <rtcweb@ietfa.amsl.com>; Wed, 30 Oct 2013 11:20:22 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.406
X-Spam-Level:
X-Spam-Status: No, score=-1.406 tagged_above=-999 required=5 tests=[AWL=-1.073, BAYES_00=-2.599, HTML_MESSAGE=0.001, J_CHICKENPOX_74=0.6, NO_RELAYS=-0.001, SARE_HTML_USL_OBFU=1.666]
Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id k0pEHsdI+Er2 for <rtcweb@ietfa.amsl.com>; Wed, 30 Oct 2013 11:20:22 -0700 (PDT)
Received: from mail-lb0-x22e.google.com (mail-lb0-x22e.google.com [IPv6:2a00:1450:4010:c04::22e]) by ietfa.amsl.com (Postfix) with ESMTP id BE4C411E82C4 for <rtcweb@ietf.org>; Wed, 30 Oct 2013 11:20:21 -0700 (PDT)
Received: by mail-lb0-f174.google.com with SMTP id q8so1535214lbi.33 for <rtcweb@ietf.org>; Wed, 30 Oct 2013 11:20:20 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=JuZ/6nVkLXpiunM4SaTgJ/Si6y+wC/ueRTlNkBYcNkg=; b=U9fbzmGNM4RDazo8NgxcXdiqn6Z7oDAxUa81Zdddb+KlLHPeU4r3dQTvP1QiGfibvZ +N5JyZWq5A6nCe3eOn93RpRsv4zIIr1nZ5H4im5ixBCZ5uP8MINk2ULzJJ61F0EvunSq Xe091cqff/S5tptdZ7wapUcjnwt6qiJVJFKN3wKbVad4Q8vui2kc1pV2Nok4/wbIVdIo Apc9EBg2ySKEN9658z/CwPIX9sGflqUd9bJeuxBJEs2W+NEZ549lkYMQ2asXootwAKC3 /iQtb0ixR4weZ36VNsuAxS69Flna9uUTPlAIBoWjHioKveUNqkA9Lyi2SBmtxmclku7w 0pUw==
MIME-Version: 1.0
X-Received: by 10.152.36.41 with SMTP id n9mr4056488laj.21.1383157220743; Wed, 30 Oct 2013 11:20:20 -0700 (PDT)
Received: by 10.114.168.70 with HTTP; Wed, 30 Oct 2013 11:20:20 -0700 (PDT)
In-Reply-To: <527147FF.5010506@nostrum.com>
References: <527147FF.5010506@nostrum.com>
Date: Wed, 30 Oct 2013 20:20:20 +0200
Message-ID: <CAGgHUiRH81UAmLaan=MRGuk-RoJBuCJ7SsuB5516TiZcNi8FFA@mail.gmail.com>
From: Leon Geyser <lgeyser@gmail.com>
To: Adam Roach <adam@nostrum.com>
Content-Type: multipart/alternative; boundary=089e0158b608cf9cba04e9f96246
Cc: "rtcweb@ietf.org" <rtcweb@ietf.org>
Subject: Re: [rtcweb] On the topic of MTI video codecs
X-BeenThere: rtcweb@ietf.org
X-Mailman-Version: 2.1.12
Precedence: list
List-Id: Real-Time Communication in WEB-browsers working group list <rtcweb.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/rtcweb>, <mailto:rtcweb-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/rtcweb>
List-Post: <mailto:rtcweb@ietf.org>
List-Help: <mailto:rtcweb-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/rtcweb>, <mailto:rtcweb-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 30 Oct 2013 18:20:22 -0000

Unfortunately like Jonathan pointed out H.264 will only be able to be used
royalty free on certain(most popular) platforms.
To be able to avoid negotiation failure we need a MTI codec that every
potential now/future browser would be able to implement freely.
I like what Cisco did, but the solution seems a bit half-baked.

On 30 October 2013 19:55, Adam Roach <adam@nostrum.com> wrote:

> As Jonathan mentioned earlier, this morning Cisco announced that it will
> be open sourcing an H.264 implementation as well as gratis binary modules
> compiled from that source and hosted by Cisco for download. Mozilla will be
> modifying Firefox to support H.264 by downloading Cisco's binary module.
>
> In previous discussions of which codec should be MTI, Mozilla has stated
> that it could not accept H.264 as MTI, primarily because we could not
> deliver H.264 in Firefox. That obstacle is now removed, and we can accept
> either codec as MTI.
>
> Mozilla intends to continue supporting VP8 in WebRTC, but we will also
> support H.264.
>
> /a
> ______________________________**_________________
> rtcweb mailing list
> rtcweb@ietf.org
> https://www.ietf.org/mailman/**listinfo/rtcweb<https://www.ietf.org/mailman/listinfo/rtcweb>
>