Re: [rtcweb] MTI motion JPEG

cowwoc <cowwoc@bbs.darktech.org> Sat, 30 November 2013 01:08 UTC

Return-Path: <cowwoc@bbs.darktech.org>
X-Original-To: rtcweb@ietfa.amsl.com
Delivered-To: rtcweb@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 926541AE232 for <rtcweb@ietfa.amsl.com>; Fri, 29 Nov 2013 17:08:11 -0800 (PST)
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, RCVD_IN_DNSWL_LOW=-0.7] autolearn=ham
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 04fb-0yBO-3k for <rtcweb@ietfa.amsl.com>; Fri, 29 Nov 2013 17:08:10 -0800 (PST)
Received: from mail-ie0-f182.google.com (mail-ie0-f182.google.com [209.85.223.182]) by ietfa.amsl.com (Postfix) with ESMTP id D31111ADFF2 for <rtcweb@ietf.org>; Fri, 29 Nov 2013 17:08:09 -0800 (PST)
Received: by mail-ie0-f182.google.com with SMTP id as1so17246702iec.27 for <rtcweb@ietf.org>; Fri, 29 Nov 2013 17:08:08 -0800 (PST)
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:message-id:date:from:user-agent:mime-version:to :subject:references:in-reply-to:content-type :content-transfer-encoding; bh=V4hxTv3/5slimypx52ZtqngaIJoRnWRroGpQ1ExtYPI=; b=bNC/OntwIamdQlGzAq3JVzly0a//+p5auibxP/Nz3daCfFJGyU1TINUduVVd4UPLc6 UiDKOAPI/kQWA5ygjBv075MQUeVJ9wHbwBSs7MN5RaS4/SlEHrFtQKiVjzR4/gS23+TN 3rk2joJzP1QO9ZHNj7EluwC4zDkKtJo1ZFwEnUJur43C1n8GiWJJostfUimJOdRQ2ZFG gup3uLPfynH2JAyuIXhdhNvhnBHf+jGxkYa03HeXHdovo9B/OMDmFwWwFXJpZo2NqDk5 WwHJJk+2YLkvQ9KyKmZwNjoPs28bj87mzwvg7hNfp31azt5p5T9stUpC93hvHCFjs87V TO3w==
X-Gm-Message-State: ALoCoQlmKQQfbD1l6gn4Mho1nhX2TspEg5vWzHt9vkASyczo7UKRDTXr6kSuB6klTx/4jQbMADMy
X-Received: by 10.50.221.99 with SMTP id qd3mr8311353igc.49.1385773687893; Fri, 29 Nov 2013 17:08:07 -0800 (PST)
Received: from [192.168.1.100] (206-248-171-209.dsl.teksavvy.com. [206.248.171.209]) by mx.google.com with ESMTPSA id w4sm53106338igb.5.2013.11.29.17.08.06 for <rtcweb@ietf.org> (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 29 Nov 2013 17:08:07 -0800 (PST)
Message-ID: <52993A48.4070600@bbs.darktech.org>
Date: Fri, 29 Nov 2013 20:07:20 -0500
From: cowwoc <cowwoc@bbs.darktech.org>
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.1.1
MIME-Version: 1.0
To: rtcweb@ietf.org
References: <529935FD.7090409@thaumas.net>
In-Reply-To: <529935FD.7090409@thaumas.net>
Content-Type: text/plain; charset="ISO-8859-1"; format="flowed"
Content-Transfer-Encoding: 7bit
Subject: Re: [rtcweb] MTI motion JPEG
X-BeenThere: rtcweb@ietf.org
X-Mailman-Version: 2.1.15
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: Sat, 30 Nov 2013 01:08:11 -0000

This reminds me of a joke from Google's keynote in the WebRTC World 
conference, where they demoed http://idevelop.ro/ascii-camera/

Didn't we say there were multiple mature implementations of H.261 in the 
wild? As such, what does it matter how complex the implementation is?

Gili

On 29/11/2013 7:49 PM, Ralph Giles wrote:
> I'd like propose motion JPEG as the manditory-to-implement video codec,
> per RFC 2435 or similar.
>
> Yes, I'm serious. I didn't propose this earlier to avoid splitting the
> vote at the last meeting.
>
> Our goal here is to to avoid negotiation failure. We don't have
> concensus for either h.264 or VP8, but no one is happy with the
> performance of the older formats we've been discussing.
>
> Since we can't have acceptable performance in our fallback we should
> instead optimize for minimum complexity. We all have to ship this and
> hope it's never used in practice.
>
> While not as trivial as G.711 audio, mjpeg+rtp is simpler to implement
> than the more recent obsolete codecs we've been discussing. JPEG decode
> is already universally supported for still images. As the simplest
> compressed format it has advantages for testing and legacy
> interoperation, just like G.711. It works fine over a LAN and for the
> WAN...well, you can have a couple of blurry frames a minute if you like
> that better than nothing at all.
>
>   -r
> _______________________________________________
> rtcweb mailing list
> rtcweb@ietf.org
> https://www.ietf.org/mailman/listinfo/rtcweb