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

Giuseppe Pascale giuseppep at opera.com
Wed Dec 15 00:27:55 PST 2010 

On Mon, 13 Dec 2010 02:51:03 +0100, 이현재 <hj08.lee at lge.com> wrote:

> Hi Jeroen,
>
> I will be there with Giuseppe, we are both web TV IG chairs. We know this
> specific topic very well.
> I'll represent TV industry, and Giuseppe will do for browser industry.
> Aren't you G?
>
Well, I represent my company (in official meetings) and I can try to  
capture browser vendors Point of View but I wouldn't say I represent them  
:)

/g

> As TV industry has already been provided seemingly same solutions and
> started business out of them, the most important point for this  
> discussion
> is quick convergence to have single solution to prevent further
> fragmentation.
> If we lose the right timing, then the business inertia might nullify
> standard activities, which we want not.
> Just try to make a simple solution/profile to get a consolidated starting
> point. Further enhancement can we discuss after this important milestone.
>
> Best regards,
> HJ
> LG Electronics
>
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> Today's Topics:
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>    1. Re: W3C activities on HTTP adaptive streaming - Inform and
>       ask opinion. (Silvia Pfeiffer)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sat, 11 Dec 2010 12:46:42 +1100
> From: Silvia Pfeiffer <silviapfeiffer1 at gmail.com>
> Subject: Re: [foms] W3C activities on HTTP adaptive streaming - Inform
> 	and	ask opinion.
> To: Jeroen Wijering <jeroen at longtailvideo.com>
> Cc: Francois Daoust <fd at w3.org>,	Foundations of Open Media Software
> 	<foms at lists.annodex.net>
> Message-ID:
> 	<AANLkTimM0nY6TbUANdkcKHbvPRq90+VbDVX6SxxCkEei at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> I won't be able to make Berlin in February. I think having you there
> (and anyone else who can make it) would be awesome though!
> Silvia.
>
>
> On Fri, Dec 10, 2010 at 8:10 PM, Jeroen Wijering
> <jeroen at longtailvideo.com> wrote:
>> 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, Rapha?l 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
>>>>>> Fran?ois 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
>>> _______________________________________________
>>> foms mailing list
>>> foms at lists.annodex.net
>>> http://lists.annodex.net/cgi-bin/mailman/listinfo/foms
>>
>>
>
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-- 
Giuseppe Pascale
TV & Connected Devices
Opera Software - Sweden

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