IETF Logo Mail Archive

Re: [rtcweb] Platforms that support H264 (was: Congratuiations on the Cisco announcement - but we still prefer VP8)

Emil Ivov <emcho@jitsi.org> Sat, 02 November 2013 22:28 UTC

Return-Path: <emcho@sip-communicator.org>
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 E00C411E824B for <rtcweb@ietfa.amsl.com>; Sat, 2 Nov 2013 15:28:11 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.752
X-Spam-Level:
X-Spam-Status: No, score=-2.752 tagged_above=-999 required=5 tests=[AWL=0.224, BAYES_00=-2.599, FM_FORGED_GMAIL=0.622, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-1]
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 HstthThLtFpQ for <rtcweb@ietfa.amsl.com>; Sat, 2 Nov 2013 15:28:07 -0700 (PDT)
Received: from mail-pb0-f48.google.com (mail-pb0-f48.google.com [209.85.160.48]) by ietfa.amsl.com (Postfix) with ESMTP id BDE1B11E8252 for <rtcweb@ietf.org>; Sat, 2 Nov 2013 15:28:03 -0700 (PDT)
Received: by mail-pb0-f48.google.com with SMTP id mc17so5647873pbc.35 for <rtcweb@ietf.org>; Sat, 02 Nov 2013 15:28:03 -0700 (PDT)
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:date :message-id:subject:from:to:cc:content-type; bh=p/1QUsQWG3fTx9Jp4rQQXG4oWD1+UcOrSJXVUdzElUo=; b=iYoZWZN5NUKhgBp6wM7cgz1dgt1E6hsMiPRzFVQY3gORGAomvzfGCnJGt/d9bO3qHq WJIApznIJDnguQ3fO2fOptpw8nZP3nI8aT/wijBBV81C5kDDcO+Pz+dVWPVBYP7ikjx7 H51ktk0PTMM6jar/QJPPo7W0NemayQ61ec2tO9fMI9TUIRBTQWsF5ZQPxBuIfSuXmFM7 KBYJ1r2YTAA6QQDZOWQOJXplil6UfYV/IgJlIXukFuaDzyYqIeIb+t7l0YF/4h6ORZC6 ojQk3LgrljBr5OopWIkwOspUw5xOttB/OgINtpaNEeShopx/enirkWQb2FAiZwyCzEbu eIIA==
X-Gm-Message-State: ALoCoQnfVznldteE3oKwB1RDalF7uNcP3uQhGm3a/xseswXaz6EpjucZkpaZsdRh1xq/OP1pFVKg
X-Received: by 10.66.149.231 with SMTP id ud7mr10144189pab.8.1383431282938; Sat, 02 Nov 2013 15:28:02 -0700 (PDT)
Received: from mail-pa0-x234.google.com (mail-pa0-x234.google.com [2607:f8b0:400e:c03::234]) by mx.google.com with ESMTPSA id go4sm18704143pbb.15.2013.11.02.15.28.01 for <rtcweb@ietf.org> (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Sat, 02 Nov 2013 15:28:01 -0700 (PDT)
Received: by mail-pa0-f52.google.com with SMTP id bj1so5423234pad.25 for <rtcweb@ietf.org>; Sat, 02 Nov 2013 15:28:01 -0700 (PDT)
MIME-Version: 1.0
X-Received: by 10.66.144.102 with SMTP id sl6mr9807816pab.96.1383431281698; Sat, 02 Nov 2013 15:28:01 -0700 (PDT)
Received: by 10.66.191.163 with HTTP; Sat, 2 Nov 2013 15:28:01 -0700 (PDT)
Received: by 10.66.191.163 with HTTP; Sat, 2 Nov 2013 15:28:01 -0700 (PDT)
In-Reply-To: <CABcZeBMG1ApkN7u_uyO_9H9se22ixLhaYc6pZsncvc6d+k8rEQ@mail.gmail.com>
References: <CAOqqYVEER_HprgauRawO+_gGdLdMY1MUY8jrMhhi3yVDL31bFg@mail.gmail.com> <52740478.6030109@nostrum.com> <CAOJ7v-2+_4QZwc8vEtdwVDWSP-d-z+ggB0u+VM6WnA=f-k4-XA@mail.gmail.com> <BLU404-EAS261C783EDA4575EE1A7E53593F40@phx.gbl> <52750E3C.9060206@bbs.darktech.org> <CABkgnnVR9=oWVzRaRuD701tvZCtp+SO1n6c65hJELLVfB8QcOA@mail.gmail.com> <C21C6AC2-29F8-4DFF-BB48-5E3D625DCD65@phonefromhere.com> <CAPvvaaK-bKt-zDEq2qibRrm51VbRGAV=95JShKFdCpJszw5Tww@mail.gmail.com> <CABcZeBMG1ApkN7u_uyO_9H9se22ixLhaYc6pZsncvc6d+k8rEQ@mail.gmail.com>
Date: Sat, 02 Nov 2013 23:28:01 +0100
Message-ID: <CAPvvaa+eDRkDk5XNDh2QcgLy4wDjrNeCmGJvqac_z+F4r_ev5Q@mail.gmail.com>
From: Emil Ivov <emcho@jitsi.org>
To: Eric Rescorla <ekr@rtfm.com>
Content-Type: multipart/alternative; boundary="047d7b6da6e41e04d404ea3932f1"
Cc: rtcweb@ietf.org
Subject: Re: [rtcweb] Platforms that support H264 (was: Congratuiations on the Cisco announcement - but we still prefer VP8)
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: Sat, 02 Nov 2013 22:28:15 -0000

I'd encourage you to read back.

This part of the thread started with the claim that most of the time it
won't come to downloading Cisco's binary because there is already
widespread OS support for H.264 encoding on all OSes.

--sent from my mobile
On 2 Nov 2013 23:17, "Eric Rescorla" <ekr@rtfm.com> wrote:

> If only there was some piece of software that you could download
> that provided H.264 encoders for those platforms.
>
> -Ekr
>
>
>
> On Sat, Nov 2, 2013 at 10:14 AM, Emil Ivov <emcho@jitsi.org> wrote:
>
>> Same questions for OS X and Windows actually. Last time we checked (which
>> was also some time ago) there was no way to get the OS to *encode* H.264
>> for you.
>>
>> --sent from my mobile
>> On 2 Nov 2013 17:57, "tim panton" <tim@phonefromhere.com> wrote:
>>
>>>
>>> On 2 Nov 2013, at 15:02, Martin Thomson <martin.thomson@gmail.com>
>>> wrote:
>>>
>>> > On 2 November 2013 07:37, cowwoc <cowwoc@bbs.darktech.org> wrote:
>>> >>    I can't think of a single platform that supports real-time H.264
>>> >> encoding/decoding natively today.
>>> >
>>> > That's a very strange way to put the question.
>>> >
>>> > Let me put another spin on it, and please excuse the example...
>>> >
>>> > Skype runs on more platforms than you might think.  Those platforms
>>> > can all support H.264 to the extent that Skype requires.
>>>
>>> Martin, can I ask you to talk with your Skype engineering team and check
>>> up on
>>> the exact way that works on iOS. Last time I looked, it seemed you
>>> couldn’t use the
>>> Apple supplied (hardware accelerated) h264 library for realtime
>>> encode/decode and
>>> it wasn’t at all clear to me that the hardware encoder licence covered
>>> any soft implementation of h264 we
>>> added.
>>>
>>> I’d like to caveat that:
>>>  1) it was a while ago. 2) I’m not a lawyer. 3) it was a thought
>>> experiment.
>>> So it would be interesting to get a current view from the trenches.
>>>
>>> T.
>>>
>>> _______________________________________________
>>> rtcweb mailing list
>>> rtcweb@ietf.org
>>> https://www.ietf.org/mailman/listinfo/rtcweb
>>>
>>
>> _______________________________________________
>> rtcweb mailing list
>> rtcweb@ietf.org
>> https://www.ietf.org/mailman/listinfo/rtcweb
>>
>>
>

v2.23.0 | Report a Bug | By Email