Media Fragments Working Group: Agenda 23 September, Telecon 0900 UTC *NEW HOUR*

Dear Media Fragmenters,

Please, find below the agenda for this week telecon: 

Please, note the *NEW* hour. With this time slot, we expect the 
attendance of all WG members.

Jack is our scribe (Yves is on deck).
Actions opened:
Best regards.

   Erik & RaphaŽl


AGENDA Teleconference
W3C Media Fragments Working Group telephone conference 2009-09-23
Wednesday, 23 September *09:00-10:00 UTC*
Local time:

23 September 2009, 0900 UTC
              0200 (West US)
              1000 (Galway)
              1100 (Amsterdam, Sophia-Antipolis, Pretoria)
              1800 (Tokyo)
              1900 (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)

Please note that Media Fragments WG telecons are for attendance by
members and invited experts only.

* Roll call
* PROPOSED to accept the minutes of the 09 September 2009 telecon:
* PROPOSED to accept the minutes of the 4th F2F meeting:
* ACTION-92: Erik and Raphael to coordinate the writing of papers
(ongoing ... re-raise around 15/10/09)
* ACTION-111: Thierry to provide CVS access to Conrad

* ACTION-95: Michael to review ALL UC with a mobile hat on and check
whether these sufficiently cover the mobile usage
* Use Cases and Requirements WD review:
   - Updates from MAWG:
* ACTION-105: Raphael to address all comments and write a reply to MAWG 
* ACTION-106: Raphael to draft a paragraph explaining upfront in the 
document why we are doing that ... justification for the MPEG community 	


3.1 Syntax: (Yves)
* ACTION-109: Erik and Davy to write a paragraph in the documents to 
explain why we don't include this feature in the spec (rationale) based 
on the group analysis (impact both req and spec documents)
* ACTION-110: Silvia to Draft a summary starting from her blog post and 
the 17/09/2009 IRC minutes in the document (role of ? and #)

3.2 UA Server HTTP Communication (Conrad/Raphael)
* ACTION-112: Raphael to Propose a digest of Conrad and current's 
proposal regarding the use of existing and custom headers for the 
communication UA server

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
* ACTION-108: Michael to add the missing test cases in corrib


5.1 Active:
* 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-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

* 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

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, 22 September 2009 23:09:24 UTC