Re: [rtcweb] Sanjay Mishra's choices

[cowwoc <[e-mail]>]

On 25/12/2013 8:13 AM, Bjoern Hoehrmann wrote:
> * Martin J. Dürst wrote:
>> On 2013/12/24 23:44, Mishra, Sanjay wrote:
>>> 3.    All entities MUST support both H.264 and VP8
>>>
>>> a.    Are you in favor of this option [Yes/No/Acceptable]: YES
>> [snip]
>>
>>> 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:
>>>
>>> o   Do not support possible outcome of VP8 and H.261 as MTI
>> Given that you are in favor of 3, and surprised at the NO here, and even
>> more surprised at your justification. What's the problem if, under this
>> option, some entities (not you) decide to implement VP8 and H.261, and
>> communicate among themselves using either of these two?
>>
>> It looks to me like there's either a fundamental issue for you that
>> nobody else has mentioned yet, or there is a misunderstanding, and it
>> would be great if you could clarify.
> The answers are insisting that H.264 encoding and decoding are supported
> and there are a number of participants who have expressed this sentiment
> for various reasons. One being interoperability with legacy systems that
> support only H.264 without transcoding the video data. I don't think the
> choices here are surprising.
>
> (Also note that, by the looks of it, some might think that if users have
> to download and install a "plugin" separate from the core product, that
> is enough to satisfy a mandatory-to-implement requirement, so I would
> not read too much into people choosing options to require more than one
> codec with possible licensing problems.)

i think we need to clarify this point. As far as I know, no legacy 
system supports WebRTC natively. This means that people will be sticking 
some sort of WebRTC adapter in between native WebRTC peers and the 
legacy devices. Under this scenario, won't you need to transform the 
video in some way along the way?

Gili