Re: [rtcweb] Adding previously "discarded" codecs in SDP renegotiation

Iñaki Baz Castillo <ibc@aliax.net> Tue, 29 March 2016 08:40 UTC

Return-Path: <ibc@aliax.net>
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 3DF0712D564 for <rtcweb@ietfa.amsl.com>; Tue, 29 Mar 2016 01:40:06 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.6
X-Spam-Level:
X-Spam-Status: No, score=-2.6 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_LOW=-0.7] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=aliax-net.20150623.gappssmtp.com
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id cY8AgXXh1cdU for <rtcweb@ietfa.amsl.com>; Tue, 29 Mar 2016 01:40:04 -0700 (PDT)
Received: from mail-yw0-x230.google.com (mail-yw0-x230.google.com [IPv6:2607:f8b0:4002:c05::230]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id AC2DA12D562 for <rtcweb@ietf.org>; Tue, 29 Mar 2016 01:40:04 -0700 (PDT)
Received: by mail-yw0-x230.google.com with SMTP id g3so9900116ywa.3 for <rtcweb@ietf.org>; Tue, 29 Mar 2016 01:40:04 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=aliax-net.20150623.gappssmtp.com; s=20150623; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=XXdm57QMuq0lDwmTDLvogC6g5vRltVeEuSCQs9mkxH8=; b=EGhDx5kYfOPjW6JrmwwOPh9pQ8ZU6wOJMN/uvr2czN4hbaUGTEdlRWQgEGVhsEk0ql fIMrPn6oc5BO9UTBc6bEFIEyBDG3giEgxOvUqwEnwe19LcC3zrLn+o8ibGlHaew4T6wt 1vtDDusq1eXJO6XSX7Ksld1SRoawFupyEiGSKXbsxUhrekNaac4zPeSB4PnVQRV9QTmq JecQME1R28M4Mph+q9lYOjDdJfRU2EGilNKr/9i1nqtLemJyG6r4NlzJet3KcsA8nZXY zwHtM1yyhzJoOnmpAXZmhQZlzEGPFC7tIZFkEnbofe9kEkIL05e6Q4u6WhcXc83MdKEC /L8g==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=XXdm57QMuq0lDwmTDLvogC6g5vRltVeEuSCQs9mkxH8=; b=RcvC1LEKdIPOIPrMP45jZyjCnSnk9onoTcIcE++N89LBM+pBgD+2EkNZHYgwd2HvQN aS0EjYwEgqhYkSnvrFrKoTwsYMfNFpibuCMQpgADbCqBSgK3P9Qwsnq1V4LkvF0ifT9X U042FbuuTKwo4w5mB3yjzudmkYyIoqonY1f7jsXS6JdBr7l3Vxm+W9TUEB0hpvkRewqb NNXSI8L9P7RPWyrIx8dpHDFLkEUpceK3ov9gEBSIzBy2pgyH8nNHSvQd57U6iK+fYZpr gwNrA4kjWkAlfr4aGF+3kBHQ5WgUJJEBbXJkvZHVNNYMTC1ISs+uT/i3l9yVo7+536CQ fISg==
X-Gm-Message-State: AD7BkJI/N4n5Hxvxi2NSYqa/a5eD+sQwoePi+fwYZHDYZcP7JcXwb1IMkvYD6NVw3sjnYUbfStIYBloSIJnN2g==
X-Received: by 10.129.124.87 with SMTP id x84mr394313ywc.209.1459240803823; Tue, 29 Mar 2016 01:40:03 -0700 (PDT)
MIME-Version: 1.0
Received: by 10.37.201.132 with HTTP; Tue, 29 Mar 2016 01:39:44 -0700 (PDT)
In-Reply-To: <D320175A.66E1%christer.holmberg@ericsson.com>
References: <CALiegfmxG-NFoQdQ0HZi80kB4J4_G0YnYXbCYxwz6TPEg8+ACA@mail.gmail.com> <D320175A.66E1%christer.holmberg@ericsson.com>
From: Iñaki Baz Castillo <ibc@aliax.net>
Date: Tue, 29 Mar 2016 10:39:44 +0200
Message-ID: <CALiegf=SOHY9D-BPVP3gExx24F8WzRCtEgt8Jgm6NcJfZAD_kw@mail.gmail.com>
To: Christer Holmberg <christer.holmberg@ericsson.com>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
Archived-At: <http://mailarchive.ietf.org/arch/msg/rtcweb/BpmoAkgS9Uh6g3lKsRiL7DVePj8>
Cc: "rtcweb@ietf.org" <rtcweb@ietf.org>
Subject: Re: [rtcweb] Adding previously "discarded" codecs in SDP renegotiation
X-BeenThere: rtcweb@ietf.org
X-Mailman-Version: 2.1.17
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: <https://mailarchive.ietf.org/arch/browse/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: Tue, 29 Mar 2016 08:40:06 -0000

2016-03-29 10:29 GMT+02:00 Christer Holmberg <christer.holmberg@ericsson.com>:
> I see no reason why one should not be allowed to add previously discarded
> codecs. There can be many reasons why a codec is discarded at one point,
> but might be accepted later.

Agreed.
Also: https://github.com/rtcweb-wg/jsep/issues/266#issuecomment-202769776



-- 
Iñaki Baz Castillo
<ibc@aliax.net>