[foms] W3C activities on HTTP adaptive streaming - Inform and ask opinion.

Jeroen Wijering jeroen at longtailvideo.com
Fri Dec 10 01:10:49 PST 2010

Hey all, 

That sounds interesting; I'd love to go. Anybody else interested?

- Jeroen

On Dec 9, 2010, at 1:02 PM, Giuseppe Pascale wrote:

> Silvia, all,
> I would like to take the chance of this discussion thread to inform you  
> about the upcoming W3C "Web and TV" workshop in Berlin (8-9/2/2011)
> http://www.w3.org/2010/11/web-and-tv/
> I think this would be a good chance to discuss such a topic.
> I would suggest that someone from this group presents the outcome of the  
> discussion so far.
> If the topic will be considered by the PC of interest (as I expect) we  
> will then have a chance to discuss it with representative from many  
> different industries.
> More information on the deadlines can be found on the Call for Papers  
> pointed above.
> If you have more questions feel free to contact me.
> Best regards,
> Giuseppe
> On Thu, 02 Dec 2010 15:05:43 +0100, Silvia Pfeiffer  
> <silviapfeiffer1 at gmail.com> wrote:
>> Hi Francois,
>> A third means of solution has been discussed in the FOMS group during
>> recent months: namely the exposure of quality of service statistics to
>> JavaScript through the video element by the browsers. This will allow
>> anyone to implement their own adaptive streaming solution without
>> restriction to a proprietary solution or restriction to the algorithm
>> implemented in a browser for when to switch between streams. It will
>> allow further innovation and seems currently the preferred first step.
>> Also, you might have noticed initial notes at
>> http://wiki.whatwg.org/wiki/Adaptive_Streaming working towards
>> solutions.
>> Cheers,
>> Silvia.
>> 2010/12/3 Francois Daoust <fd at w3.org>:
>>> On 12/02/2010 11:07 AM, Raphaël Troncy wrote:
>>>>> are you saying that the W3C is considering starting a WG for adaptive
>>>>> HTTP streaming?
>>>> This has indeed been discussed during last TPAC (last month). I'm  
>>>> cc-ing
>>>> François Daoust, staff contact in W3C, that might lead this activity.
>>> "Starting a WG for adaptive HTTP streaming" is too positive a statement  
>>> at
>>> this point. We make the same analysis as others, in other words: it is
>>> important for the success of video on the Web (through the <video> tag),
>>> there are different proprietary solutions out there, different
>>> standardization organizations that also work on the topic, but no
>>> royalty-free solution in sight.
>>> HTTP adaptive streaming can be addressed at the application level  
>>> through
>>> the definition of a manifest file format, or at the network level  
>>> through
>>> improvements to HTTP. W3C would welcome the work on a manifest file  
>>> format
>>> and its associated processing model, provided there is enough support  
>>> from
>>> its members involved in the field. People are, I think, looking for
>>> convergence towards a common open solution much more than for the  
>>> creation
>>> of yet another standard, which is fine.
>>> This got discussed a bit at TPAC, and keeps coming up in discussions.  
>>> We put
>>> our members in touch when they show interest in HTTP adaptive  
>>> streaming. As
>>> of today, there is no concrete proposal within W3C to start  
>>> standardization
>>> work, or public threads on the topic I could point you at.
>>> I encourage people to bring this topic to the upcoming Web and TV  
>>> workshop
>>> in Berlin in February:
>>> http://www.w3.org/2010/11/web-and-tv/
>>> (the topic is of particular relevance for TVs because of constraints  
>>> such
>>> devices have in terms of the number of technologies they can integrate).
>>> This could also be discussed within the upcoming Web and TV Interest  
>>> Group
>>> (for clarity, note an "Interest Group" cannot develop rec-track
>>> specifications), once created. Mailing-list is public-web-and-tv at w3.org,
>>> archived at:
>>> http://lists.w3.org/Archives/Public/public-web-and-tv/
>>>>> If that is the case, I would very much think that the
>>>>> discussion and conclusions that we have come up with here would be
>>>>> well placed as input into that WG. I believe Jeroen, who has very much
>>>>> taken the lead in pulling all the information together here, may even
>>>>> have some very good draft proposals as starting points.
>>>> +1!
>>> If something gets started, the possibility to use existing works as  
>>> starting
>>> point would be extremely useful, indeed. Raphael had pointed me to the  
>>> FOMS
>>> workshop where this got discussed.
>>> Francois.
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> -- 
> Giuseppe Pascale
> TV & Connected Devices
> Opera Software - Sweden
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