RE: Media Fragments Working Group: Agenda 9 September, Telecon 1200 UTC

Regrets for this phone conf, I will be in another meeting :-(.

Best regards,


Davy Van Deursen

Ghent University - IBBT
Department of Electronics and Information Systems 
Multimedia Lab

>-----Original Message-----
>From: [mailto:public-media-
>] On Behalf Of RaphaŽl Troncy
>Sent: Tuesday, September 08, 2009 11:45 AM
>Cc: Erik Mannens
>Subject: Media Fragments Working Group: Agenda 9 September, Telecon 1200
>Dear Media Fragmenters,
>We have an exciting telecon coming, the last one before our virtual F2F
>meeting. Please, find below the agenda for this week telecon:
>Jack will _really_ scribe this time (Yves is on deck).
>Actions opened:
>Best regards.
>   Erik & RaphaŽl
>AGENDA Teleconference
>W3C Media Fragments Working Group telephone conference 2009-09-09
>Wednesday, 09 September *12:00-13:00 UTC*
>Local time:
>09 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: +
>Bridge UK: +44.117.370.6152
>Conference code : 3724# (spells "FRAG")
>Duration : 60 minutes
>IRC channel          : #mediafrag on
>W3C IRC Web Client   :
>Other clients are listed at
>Zakim information    :
>Zakim bridge monitor :
>Zakim IRC bot        :
>Chair: Raphael, Erik
>Scribe: Jack (On Deck: Yves)
>Regrets: Silvia
>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 02 September 2009 telecon:
>* Next WG gathering:
>   - 17-18 September: Virtual Meeting, see the agenda at
>   - 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)
>* 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:
>   - Updates from MAWG:
>   - TAG: Yves ... re-raise around 01/09/09
>3.1 Terminology: (Silvia)
>* ACTION-103: Silvia to write a paragraph in our 2 documents, most
>likely within the Terminology sections, explaining that when we say URI,
>we mean URI Ref
>Done: see
>3.2 Syntax: (Yves)
>* 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)
>* ACTION-69: Conrad to draw a representation of the general structure of
>a media resource, for streamable formats
>* ACTION-104: Yves to start a thread on the mailing list to summarize
>the state of the discussion regarding ? and # (? when transcoding
>happening, #for other cases) + use of URI template for ?
>4. TEST CASES: (Michael)
>* Corrib test tool:
>* 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
>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:
>(+ 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
>* 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
>* 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
>* 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: &
>Tel: +31 (0)20 - 592 4093
>Fax: +31 (0)20 - 592 4312

Received on Tuesday, 8 September 2009 10:38:35 UTC