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

Eric Rescorla <ekr@rtfm.com> Sat, 02 November 2013 22:17 UTC

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From: Eric Rescorla <ekr@rtfm.com>
Date: Sat, 02 Nov 2013 15:16:22 -0700
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To: Emil Ivov <emcho@jitsi.org>
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Cc: "rtcweb@ietf.org" <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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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.
>>
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