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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

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Date: Sat, 02 Nov 2013 23:28:01 +0100
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From: Emil Ivov <emcho@jitsi.org>
To: Eric Rescorla <ekr@rtfm.com>
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Cc: rtcweb@ietf.org
Subject: Re: [rtcweb] Platforms that support H264 (was: Congratuiations on the Cisco announcement - but we still prefer VP8)
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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
>>
>>
>

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