Re: [rtcweb] Video Codec Selection Alternatives 10 and 11: Merge?

[Magnus Westerlund <[e-mail]>]

On 2013-11-27 16:21, Leon Geyser wrote:
> Why don't we keep CBP on each H.264 entry? It will be more clear for the
> voter for what they are actually voting for,

Because, the H.264 proposal draft defines it to be CBP, and no one to my
understanding has made another proposal. Thus, I think a general
clarification through the reference is clearer.

/Magnus

> 
> My opinions on some of the options:
> Personally I feel there are too many options :)
> 1 and 2: Was already debated so I don't know why we should list them again.
> 3: Might be too difficult to follow resulting in people breaking the
> spec anyway.
> 5: Actually implies 7.
> 7: Fail
> 8: I know I suggested this one, but 10 is actually nearly the same and
> is a better option. Votes might get split between the two resulting in
> another option taking lead. Is my thinking wrong?
> 11: Is H.263 really safe?
> 12: Do we know if you only implement a decoder that royalties won't apply?
> 
> 
> 
> On 27 November 2013 15:43, Magnus Westerlund
> <[e-mail] <mailto:[e-mail]>>
> wrote:
> 
>     On 2013-11-27 14:16, Thomas Reisinger wrote:
>     > Magnus,
>     >
>     > Could you please share the latest list and how the voting will be
>     conducted/what's required to vote.
> 
>     For the proposed voting process see our previous message
>     http://www.ietf.org/mail-archive/web/rtcweb/current/msg09909.html
> 
>     As I stated, we chairs will need to update this based on the discussion.
> 
>     For the current list of alternatives is on the WG's wiki:
>     http://trac.tools.ietf.org/wg/rtcweb/trac/wiki/WikiStart
> 
> 
>     Reproduced here:
>      The following alternatives has been proposed:
> 
>      1. All entities MUST support H.264
>      2. All entities MUST support VP8
>      3. All entities MUST support both H.264 and VP8
>      4. Browsers MUST support both H.264 and VP8, other entities MUST
>         support at least one of H.264 and VP8
>      5. All entities MUST support at least one of H.264 and VP8
>      6. All entities MUST support H.261
>      7. There is no MTI video codec
>      8. 5+6, i.e. All entities MUST support H.261 and all entities MUST
>         support at least one of H.264 and VP8
>      9. All entities MUST support Theora
>     10. All entities MUST implement at least two of {VP8, H.264, H.261}
>     11. All entities MUST implement at least two of {VP8, H.264, H.263}
>     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
> 
>     H.264 is a reference to the proposal in
>     https://datatracker.ietf.org/doc/draft-burman-rtcweb-h264-proposal/
> 
>     VP8 is a reference to the proposal in
>     https://datatracker.ietf.org/doc/draft-alvestrand-rtcweb-vp8/
> 
> 
> 
>     >
>     > Cheers,
>     >
>     > Thomas Reisinger
>     >
>     >> On 27.11.2013, at 09:50, Magnus Westerlund
>     <[e-mail]
>     <mailto:[e-mail]>> wrote:
>     >>
>     >>> On 2013-11-25 20:51, [e-mail]
>     <mailto:[e-mail]> wrote:
>     >>> MUST implement at least two of {VP8, H.264 CBP, H.261}
>     >>
>     >> I have now updated the list to read:
>     >>
>     >> 10. All entities MUST implement at least two of {VP8, H.264 CBP,
>     H.261}
>     >> 11. All entities MUST implement at least two of {VP8, H.264 CBP,
>     H.263}
>     >>
>     >> Cheers
>     >>
>     >> Magnus Westerlund
>     >>
>     >>
>     ----------------------------------------------------------------------
>     >> Multimedia Technologies, Ericsson Research EAB/TVM
>     >>
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>     >>
>     >>
>     >
>     >
> 
> 
>     --
> 
>     Magnus Westerlund
> 
>     ----------------------------------------------------------------------
>     Multimedia Technologies, Ericsson Research EAB/TVM
>     ----------------------------------------------------------------------
>     Ericsson AB                | Phone  [phone]
>     <tel:%2B46%2010%207148287>
>     Färögatan 6                | Mobile [phone]
>     <tel:%2B46%2073%200949079>
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>     <mailto:[e-mail]>
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> 
> 


-- 

Magnus Westerlund

----------------------------------------------------------------------
Multimedia Technologies, Ericsson Research EAB/TVM
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Ericsson AB                | Phone  [phone]
Färögatan 6                | Mobile [phone]
SE-164 80 Stockholm, Sweden| mailto: [e-mail]
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