Re: [rtcweb] Silvia Pfeifer's choices

[Maik Merten <[e-mail]>]

Am 27.12.2013 03:45, schrieb Silvia Pfeiffer:
> 8. All entities MUST support H.261 and all entities MUST support at
> least one of H.264 and VP8
>    .a Acceptable (0.40)
>    .b I think we can achieve the same effect with 6. but 6. is a bit
> more future-proof
> Also, requiring the support of several codecs certainly increases
> maintenance requirements, but a compromise is certainly required.
> Maybe H.261 as the MTI and a recommendation on H.264 or VP8 as the
> newer codecs to implement right now with a need to revisit every 2
> years or so.

<snip>


> 10. All entities MUST implement at least two of {VP8, H.264, H.261}
>     .a Acceptable (0.35)
>     .b It's effectively the same as 8 and thus 8.b applies.
>

Actually, IMO option 10 is quite different from option 8. Note that with 
option 10 anyone who implements VP8 and H.264 (e.g., Mozilla) will not 
have to implement H.261, while still guaranteeing a non-empty 
intersection of codecs (i.e., no negotiation failure).

Option 10 encourages parties to implement two high-performance codecs to 
avoid old codec baggage, which overall will increase real-life 
performance. Option 8 does not have the "baggage drop" option and 
encourages choosing between the two high-performance codecs if one does 
not want to implement three codecs.


Maik