- From: Thierry Michel <tmichel@w3.org>
- Date: Tue, 25 Aug 2009 10:21:43 +0200
- CC: Raphaël Troncy <Raphael.Troncy@cwi.nl>, public-media-fragment@w3.org, Erik Mannens <erik.mannens@ugent.be>
Erik & Raphaël, Regrets, I am attending the WebCGM WG F2F at that time. Thierry > 2009/8/25 Raphaël Troncy <Raphael.Troncy@cwi.nl>: >> 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=26&month=08&year=2009&hour=12&min=00&sec=0&p1=0. >> Jack will scribe (Yves is on deck). >> >> Highlights will be: discussion on some requirements (motivating aspect >> ratio), discussion on syntax (editUnits, absolute time specification), >> discussion on the role of # and ?, discussion on protocol (communication >> server - UA). >> >> We have *many* 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 & Raphaël >> >> ------------ >> >> AGENDA Teleconference >> W3C Media Fragments Working Group telephone conference 2009-08-26 >> ------------------------------------------------------------------- >> Wednesday, 26 August *12:00-13:00 UTC* >> Local time: >> http://www.timeanddate.com/worldclock/fixedtime.html?day=26&month=08&year=2009&hour=12&min=00&sec=0&p1=0 >> >> 26 August 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 12 and 19 August 2009 telecon: >> http://www.w3.org/2009/08/12-mediafrag-minutes.html >> http://www.w3.org/2009/08/19-mediafrag-minutes.html >> * Next WG gathering: >> - 17-18 September: F2F in Amsterdam or Virtual Meeting? >> - 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: >> * 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 >> * ACTION-95: Michael to review the new UC written by Silvia and check >> whether it will cover a mobile usage >> * Could we have a good story for having aspect ratio? >> http://lists.w3.org/Archives/Public/public-media-fragment/2009Aug/0060.html >> http://lists.w3.org/Archives/Public/public-media-fragment/2009Aug/0062.html >> >> 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) >> * See: http://www.w3.org/2008/WebVideo/Fragments/wiki/TestCases >> * Discussion: Jack objects about the lack of coherency between returning >> the full asset for 2 dimensions (track, id), and an error for the 2 >> others (time, space) >> http://lists.w3.org/Archives/Public/public-media-fragment/2009Aug/0013.html >> * 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 >> >> -- >> Raphaël 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 Tuesday, 25 August 2009 08:22:12 UTC