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Re: Media Fragments Working Group: Agenda 07 April, Telecon 0900 UTC

From: Conrad Parker <conrad@metadecks.org>
Date: Wed, 7 Apr 2010 17:28:46 +0900
Message-ID: <p2udba6c0831004070128ne5380d84ifa6894e50d01d390@mail.gmail.com>
To: Silvia Pfeiffer <silviapfeiffer1@gmail.com>
Cc: raphael.troncy@eurecom.fr, Media Fragment <public-media-fragment@w3.org>, Erik Mannens <erik.mannens@ugent.be>
On 6 April 2010 17:07, Silvia Pfeiffer <silviapfeiffer1@gmail.com> wrote:
> Actually, we have now changed to winter time, so I am happy to leave
> it where it is, which is 2 hours earlier than before.
> But let's see what Conrad says.

6pm local time is difficult for me. I had thought I'd be able to make
it today but it seems I won't get away on time.

Conrad.

>
> Cheers,
> Silvia.
>
> 2010/4/6 RaphaŽl Troncy <raphael.troncy@cwi.nl>:
>> Dear Media Fragmenters,
>>
>> Please, find below the agenda for this week telecon
>> http://www.timeanddate.com/worldclock/fixedtime.html?day=07&month=04&year=2010&hour=09&min=00&sec=0&p1=0
>> Actions opened:
>> http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/open
>>
>> Only Conrad and Silvia have indicated me they would prefer to have the
>> telecon one hour later. Do you have any objections? If not, I will ask to
>> re-schedule Zakim bridge. Sorry Silvia and Conrad, this week, we still
>> maintain 09:00 UTC.
>>
>> We will mainly discuss: ACTION-152, ACTION-123, and ACTION-154 so we can
>> publish the doc this Thursday.
>> We also need to schedule:
>> †- the next F2F meeting (see below for the possibilities)
>> †- when we would like to meet at TPAC 2010 (Thierry's reminder)
>> Please, confirm your attendance to tomorrow's telecon.
>> Best regards.
>>
>> †Erik & RaphaŽl
>>
>> ------------
>>
>> AGENDA Teleconference
>> W3C Media Fragments Working Group telephone conference 2010-04-07
>> -----------------------------------------------------------------
>> Wednesday, 07 April *09:00-10:00 UTC*
>> Local time:
>> http://www.timeanddate.com/worldclock/fixedtime.html?day=07&month=04&year=2010&hour=09&min=00&sec=0&p1=0
>>
>> 07 April 2010, 0900 UTC
>> † † † † † † †0200 (West US)
>> † † † † † † †1000 (Galway)
>> † † † † † † †1100 (Amsterdam, Sophia-Antipolis, Pretoria)
>> † † † † † † †1800 (Tokyo)
>> † † † † † † †2000 (Sydney)
>> Bridge US: +1-617-761-6200 (Zakim)
>> Bridge FR: +33.4.89.06.34.99
>> Bridge UK: +44.117.370.6152
>> Conference code : 3724# (spells "FRAG")
>> Duration : 60 minutes
>> -------------------------------------------------------------------
>> IRC channel † † † † †: #mediafrag on irc.w3.org:6665
>> W3C IRC Web Client † : http://www.w3.org/2001/01/cgi-irc
>> Other clients are listed at http://www.w3.org/Project/IRC/#Client
>> Zakim information † †: http://www.w3.org/2002/01/UsingZakim
>> Zakim bridge monitor : http://www.w3.org/1998/12/bridge/Zakim.html
>> Zakim IRC bot † † † †: http://www.w3.org/2001/12/zakim-irc-bot.html
>> -------------------------------------------------------------------
>>
>> Chair: Raphael
>> ScribeList: http://www.w3.org/2008/WebVideo/Fragments/wiki/ScribeList
>> Scribe: Conrad (On Deck: Silvia, Michael)
>> Regrets: Erik, Davy
>>
>> Please note that Media Fragments WG telecons are for attendance by
>> members and invited experts only.
>>
>> 1. ADMIN:
>> * Roll call
>> * PROPOSED to accept the minutes of the 03 March 2010 telecon:
>> http://www.w3.org/2010/03/03-mediafrag-minutes.html
>> * PROPOSED to accept the minutes of the 5th F2F meeting:
>> http://www.w3.org/2010/03/08-mediafrag-minutes.html
>> http://www.w3.org/2010/03/09-mediafrag-minutes.html
>>
>> * ACTION-119: Yves to request admins to set up a cvs notifications mailing
>> list and notifications
>> * ACTION-92: Erik and Raphael to coordinate the writing of papers
>> ** Postpone (new deadline is May 1st 2010)
>>
>> * Next WG F2F:
>> †- 25-30 April in Raleigh, collocated with WWW (HTML5 Track?)
>> †- 01-03 June in Heraklion, collocated with ESWC
>> †- 14-16 June in Sophia Antipolis/Amsterdam
>> †- 25-26 or 28-29 June in New York, collocated with FOMS+OVC
>>
>> 2. USE CASES & REQUIREMENTS
>>
>> * ACTION-156: Conrad to add a "bandwidth conservation use case"
>>
>> 3. SPECIFICATION:
>>
>> 3.1 Media Fragment URI syntax: (Yves)
>>
>> * ACTION-151: Yves to modify the production rule for the track dimension in
>> order to allow multiple semi-colon separated values
>> * ACTION-152: Yves to change the formal syntax to reflect that we don't need
>> a subdelim for selecting multiple tracks but we allow multiple track= in the
>> URI
>> * ACTION-153: Raphael to review the complete document and check whether
>> there are more references to uniqueness
>>
>> 3.2 Protocol for URI fragment Resolution in HTTP:
>> * ACTION-123: Yves to come up with ABNF for header syntax
>> * ACTION-154: Yves to add a section 5.2.4 describing his new optimization
>> * ACTION-137: Jack to check that 5.1 is implementable using the protocol
>> * ACTION-155: Davy to draw diagrams to include in the spec, similar to
>> Yves's email, that shows which bytes from the headers and body of the media
>> file are sent
>>
>> 3.3 Rendering of Media Fragments URI in UA:
>> * ACTION-135: Davy, Erik to extend section 7 regarding spatial and track
>> dimension
>> * ISSUE-5 [Jack]: Handling spatial cropping requires information at
>> client-side
>>
>> 3.4 Discovery of 'Track' and 'Named' fragments:
>> * ISSUE-4 [Silvia]: Should we pre-define some track names?
>> * Davy's strawman implementation using ROE:
>> http://lists.w3.org/Archives/Public/public-media-fragment/2009Nov/0014.html
>> * Silvia's blog post:
>> http://blog.gingertech.net/2009/11/25/manifests-exposing-structure-of-a-composite-media-resource/
>> * Jack's proposal to write up that we should distinguish the mechanism (ROE,
>> MPEG-21) vs the semantics
>>
>> 4. TEST CASES: (Michael)
>> * Corrib test tool: http://ld2sd.deri.org/corrib/
>> * ACTION-146: Jack to identify and add in corrib any missing test cases for
>> temporal fragments
>> * ACTION-158: Raphael to enter the big table of all test cases for the
>> temporal dimension in the wiki
>> * ACTION-147: Michael to add all MF WG members to corrib
>> * ACTION-148: Michael to add a copy TC functionality in corrib
>> * ACTION-149: Michael to come up with a fix for overview vs. edit single TC
>> in corrib
>> * Suggestion of nasty test cases by Philip:
>> http://lists.w3.org/Archives/Public/public-media-fragment/2009Dec/0015.html
>>
>> 5. ISSUES
>>
>> 5.1 Active:
>>
>> 5.2 Non-Active:
>> * ISSUE-6 [Jack]: Temporal clips that require transcoding
>> * ISSUE-7 [Michael]: User Agent Media Fragment Resolution and Processing
>> * ISSUE-9 [Michael]: Should we have the media type inside the Test Cases?
>> * ISSUE-12 [Raphael]: What's the relationship between Images (CSS) Sprites
>> and the spatial dimension of the Media Fragments URI scheme?
>> * ISSUE-13 [Raphael]: Write a IETF draft for proposing how to register the
>> fragment scheme for all media types
>> * ISSUE-14 [Davy]: How to deal with embedded time stamps
>> * ISSUE-16 [Jack]: Combining axis is probably not going to be done by LC,
>> but we should write somewhere that this is doable
>>
>> 6. IMPLEMENTATION:
>> * ACTION-34: Jack to look at python-url library to see whether he could
>> implement the logic on client side
>> * ACTION-35: Raphael to look at curl and/or wget to see whether the logic
>> could be implemented on client side
>> * ACTION-70: Jack to commit in CVS (code directory) his python code doing
>> the parsing on client side of the media fragment
>> * Someone to investigate whether he could have an implementation in
>> Javascript that does the client-side media fragments parsing?
>>
>> 7. AOB
>>
>> --
>> RaphaŽl Troncy
>> EURECOM, Multimedia Communications Department
>> 2229, route des CrÍtes, 06560 Sophia Antipolis, France.
>> e-mail: raphael.troncy@eurecom.fr & raphael.troncy@gmail.com
>> Tel: +33 (0)4 - 9300 8242
>> Fax: +33 (0)4 - 9000 8200
>> Web: http://www.eurecom.fr/~troncy/
>>
>>
>>
>>
>
>
Received on Wednesday, 7 April 2010 08:29:20 GMT

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