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RE: Media Fragments Working Group: Agenda 2 September, Telecon 1200 UTC

From: Davy Van Deursen <davy.vandeursen@ugent.be>
Date: Wed, 2 Sep 2009 09:50:38 +0200
To: 'RaphaŽl Troncy' <Raphael.Troncy@cwi.nl>
Cc: "'Erik Mannens'" <erik.mannens@ugent.be>, <public-media-fragment@w3.org>
Message-ID: <00a301ca2ba2$1031dcc0$30959640$@vandeursen@ugent.be>
Dear all,

late regrets on behalf of Erik, because he has got the flu.

Best regards,

Davy

-- 
Davy Van Deursen

Ghent University - IBBT
Department of Electronics and Information Systems 
Multimedia Lab
URL: http://multimedialab.elis.ugent.be


>-----Original Message-----
>From: public-media-fragment-request@w3.org [mailto:public-media-
>fragment-request@w3.org] On Behalf Of RaphaŽl Troncy
>Sent: Tuesday, September 01, 2009 9:23 AM
>To: public-media-fragment@w3.org
>Cc: Erik Mannens
>Subject: Media Fragments Working Group: Agenda 2 September, Telecon 1200
>UTC
>
>Dear Media Fragmenters,
>
>We have an exciting telecon coming. Please, find below the agenda for
>this week telecon:
>http://www.timeanddate.com/worldclock/fixedtime.html?day=02&month=09&yea
>r=2009&hour=12&min=00&sec=0&p1=0.
>
>
>Jack will scribe (Yves is on deck).
>We expect all the group participants, so if someone cannot make it,
>please write Erik and I an email stating whether your unavailability is
>due to a permanent bad scheduling (in case we have to change the telecon
>time) or is just temporary.
>
>Highlights will be: discussion on the role of # and ? and discussion on
>protocol (communication server - UA).
>
>We have *some* actions opened:
>http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/open
>ALL, please, give status update during the call so we can identify the
>remaining bottlenecks.
>Best regards.
>
>   Erik & RaphaŽl
>
>------------
>
>AGENDA Teleconference
>W3C Media Fragments Working Group telephone conference 2009-09-02
>-------------------------------------------------------------------
>Wednesday, 02 September *12:00-13:00 UTC*
>Local time:
>http://www.timeanddate.com/worldclock/fixedtime.html?day=02&month=09&yea
>r=2009&hour=12&min=00&sec=0&p1=0
>
>
>02 September 2009, 1200 UTC
>              0500 (West US)
>              1300 (Galway)
>              1400 (Amsterdam, Sophia-Antipolis, Pretoria)
>              2100 (Tokyo)
>              2200 (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: Jack (On Deck: Yves)
>Regrets: Erik
>
>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 26 August 2009 telecon:
>http://www.w3.org/2009/08/26-mediafrag-minutes.html
>* Next WG gathering:
>   - 17-18 September: Virtual Meeting, see the poll results:
>http://www.doodle.com/xbw9stfdmz3pr4nw (@Conrad, @Davy, @Dave, @Jack,
>@Philip, please, answer the questionnaire asap)
>   - 2-6 November: TPAC week in Santa Clara (CA, USA)?
>* ACTION-92: Erik and Raphael to coordinate the writing of papers
>(ongoing ... re-raise around 15/09/09)
>
>2. UC & REQUIREMENTS:
>* ACTION-95: Michael to review ALL UC with a mobile hat on and check
>whether these sufficiently cover the mobile usage
>* ACTION-101: Yves to write a UC describing the use of aspect ratio
>feature, and thus motivating its usage
>* Use Cases and Requirements WD review:
>   - Media Annotations WG:
>http://lists.w3.org/Archives/Public/public-media-
>annotation/2009Aug/0020.html
>   - TimedText, SVG, HTML5+WHATWG:
>http://www.w3.org/2009/08/14-hcg-minutes.html#item04 (member only)
>   - TAG: Yves ... re-raise around 01/09/09
>
>3. SPECIFICATION:
>
>3.1 Terminology: (Silvia)
>* Change "URI" to "URI Reference" through the whole document since only
>a URI ref can be relative?
>http://lists.w3.org/Archives/Public/public-media-
>fragment/2009Aug/0066.html
>
>3.2 Syntax: (Yves)
>* Discussion 1: [proposal for resolution] we will *NOT* allow editUnits
>for specifying the temporal dimension?
>**
>http://lists.w3.org/Archives/Public/public-media-
>fragment/2009Aug/0029.html
>**
>http://lists.w3.org/Archives/Public/public-media-
>fragment/2009Aug/0036.html
>* Discussion 2: should we extend the syntax to have absolute time
>specification that contains day and year (see RTSP RFC, section 3.7)
>** Should we adopt HTML5/SMIL EBNF syntax?
>* ACTION-49: Yves to Draft the HTTP-Range syntax for different units
>(completing all the syntax for the two way handshake) (ongoing ...
>re-raise around 01/09/09)
>
>3.3 UA Server HTTP Communication (Conrad/Raphael)
>* On the role of the '&' and the '#' in the Media Fragment
>specification:
>http://blog.gingertech.net/2009/08/19/jumping-to-time-offsets-in-videos/
>* ACTION-69: Conrad to draw a representation of the general structure of
>a media resource, for streamable formats
>
>4. TEST CASES: (Michael)
>* Michael: we need to carefully define the three different error cases:
>undefined/wrongly defined/not present; Might renumber the TC; See
>whether the TC could be put into a table (with support from a
>programmatic tool).
>* ACTION-93: Michael to revisit the TC and see which are affected by the
>temporal-optional-comma-decision
>* ACTION-99: Michael to add TC0010, TC0011 and TC0012 to the Test Cases
>page per WG decision
>
>5. ISSUES
>
>5.1 Active:
>* ISSUE-9 [Michael]: Should we have the media type inside the Test Cases?
>** ACTION-82: Michael to flesh out TC vocabulary re ISSUE-9
>* ISSUE-6 [Jack]: Temporal clips that require transcoding
>** ACTION-62: Yves to ask the TAG whether transcoding should be
>forbidden or not when we send a fragment of a resource
>** Done: http://lists.w3.org/Archives/Public/www-tag/2009Jun/0180.html
>(+ thread). How to restart the discussion? Ask Noah to have an item
>during the next call?
>
>5.2 Non-Active:
>* ISSUE-4 [Silvia]: Should we pre-define some track names?
>* ISSUE-5 [Jack]: Handling spatial cropping requires information at
>client-side
>* ISSUE-7 [Michael]: User Agent Media Fragment Resolution and Processing
>* 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
>
>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
>* ACTION-71: Michael to investigate whether he could have an
>implementation in Javascript that does the client-side media fragments
>parsing
>* ACTION-90: Davy to provide a pointer to Yves to a lib he can use to
>slice media files
>
>7. AOB
>
>--
>RaphaŽl Troncy
>CWI (Centre for Mathematics and Computer Science),
>Kruislaan 413, 1098 SJ Amsterdam, The Netherlands
>e-mail: raphael.troncy@cwi.nl & raphael.troncy@gmail.com
>Tel: +31 (0)20 - 592 4093
>Fax: +31 (0)20 - 592 4312
>Web: http://www.cwi.nl/~troncy/
>
Received on Wednesday, 2 September 2009 07:51:26 GMT

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