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Re: [rtcweb] Straw Poll on Video Codec Alternatives

David Singer <singer@apple.com> Wed, 18 December 2013 16:51 UTC

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From: David Singer <singer@apple.com>
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Cc: Cullen Jennings <fluffy@cisco.com>, rbarnes@bbn.com, "rtcweb@ietf.org" <rtcweb@ietf.org>
Subject: Re: [rtcweb] Straw Poll on Video Codec Alternatives
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> 
> 1..        All entities MUST support H.264
>         a.         Are you in favor of this option [Yes/No/Acceptable]:

Yes

>         b.         Do you have any objections to this option, if so please summarize them:
> 2..        All entities MUST support VP8
>         a.         Are you in favor of this option [Yes/No/Acceptable]:

No

>         b.         Do you have any objections to this option, if so please summarize them:

VP8 has a formal declaration of unlicensable IPR, https://ietf.org/ipr/2035/  .

> 3.         All entities MUST support both H.264 and VP8
>         a.         Are you in favor of this option [Yes/No/Acceptable]:

No

>         b.         Do you have any objections to this option, if so please summarize them:

VP8 has a formal declaration of unlicensable IPR, https://ietf.org/ipr/2035/  .

> 4.         Browsers MUST support both H.264 and VP8, other entities MUST support at least one of H.264 and VP8
>         a.         Are you in favor of this option [Yes/No/Acceptable]:

No

>         b.         Do you have any objections to this option, if so please summarize them:

VP8 has a formal declaration of unlicensable IPR, https://ietf.org/ipr/2035/  .
Also, ‘browser’ is ill-defined, and it is not correct to try to divide the world in this way.

> 5.         All entities MUST support at least one of H.264 and VP8
>         a.         Are you in favor of this option [Yes/No/Acceptable]:

Yes

>         b.         Do you have any objections to this option, if so please summarize them:
> 6.         All entities MUST support H.261
>         a.         Are you in favor of this option [Yes/No/Acceptable]:

No

>         b.         Do you have any objections to this option, if so please summarize them:

Few have H.261 implemented any more, and those that don’t, will not implement to comply with this requirement.

> 7.         There is no MTI video codec
>         a.         Are you in favor of this option [Yes/No/Acceptable]:

Acceptable.

>         b.         Do you have any objections to this option, if so please summarize them:
> 8.         All entities MUST support H.261 and all entities MUST support at least one of H.264 and VP8
>         a.         Are you in favor of this option [Yes/No/Acceptable]:

No

>         b.         Do you have any objections to this option, if so please summarize them:

Few have H.261 implemented any more, and those that don’t, will not implement to comply with this requirement.

> 9.         All entities MUST support Theora
>         a.         Are you in favor of this option [Yes/No/Acceptable]:

No

>         b.         Do you have any objections to this option, if so please summarize them:

Theora is not ‘current’, it has an unclear license situation, is poorly supported in hardware.

> 10.       All entities MUST implement at least two of {VP8, H.264, H.261}
>         a.         Are you in favor of this option [Yes/No/Acceptable]:

No

>         b.         Do you have any objections to this option, if so please summarize them:

Few have H.261 implemented any more, and those that don’t, will not implement to comply with this requirement.
VP8 has a formal declaration of unlicensable IPR, https://ietf.org/ipr/2035/  .

> 11.       All entities MUST implement at least two of {VP8, H.264, H.263}
>         a.         Are you in favor of this option [Yes/No/Acceptable]:

Yes

>         b.         Do you have any objections to this option, if so please summarize them:
> 12.       All entities MUST support decoding using both H.264 and VP8, and MUST support encoding using at least one of H.264 or VP8
>         a.         Are you in favor of this option [Yes/No/Acceptable]:

No

>         b.         Do you have any objections to this option, if so please summarize them:

VP8 has a formal declaration of unlicensable IPR, https://ietf.org/ipr/2035/  .

> 13.       All entities MUST support H.263
>         a.         Are you in favor of this option [Yes/No/Acceptable]:

Yes

>         b.         Do you have any objections to this option, if so please summarize them:
> 14.       All entities MUST implement at least two of {VP8, H.264, Theora}
>         a.         Are you in favor of this option [Yes/No/Acceptable]:

No

>         b.         Do you have any objections to this option, if so please summarize them:

Theora is not ‘current’, it has an unclear license situation, is poorly supported in hardware.
VP8 has a formal declaration of unlicensable IPR, https://ietf.org/ipr/2035/  .

> 15.       All entities MUST support decoding using Theora.
>         a.         Are you in favor of this option [Yes/No/Acceptable]:

No

>         b.         Do you have any objections to this option, if so please summarize them:

Theora is not ‘current’, it has an unclear license situation, is poorly supported in hardware.

> 16.       All entities MUST support Motion JPEG
>         a.         Are you in favor of this option [Yes/No/Acceptable]:

Acceptable

>         b.         Do you have any objections to this option, if so please summarize them:
> 


David Singer
Multimedia and Software Standards, Apple Inc.

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