Media Fragments Working Group Teleconference

<trackbot> Date: 22 June 2011

1. Admin

PROPOSED to accept the minutes of the last week telecon, http://www.w3.org/2011/06/15-mediafrag-minutes.html

<davy> +1

<silvia> +1

<Yves> +1

+1

minutes accepted

2. SPEC MAINTENANCE

ACTION-225?

<trackbot> ACTION-225 -- Davy Van Deursen to edit the specification and in particular section 6 to reflect this entire discussion -- due 2011-06-22 -- OPEN

<trackbot> http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/225

close ACTION-225

<trackbot> ACTION-225 Edit the specification and in particular section 6 to reflect this entire discussion closed

<doublec> Zakim: who is here?

ACTION-226?

<trackbot> ACTION-226 -- Davy Van Deursen to edit the spec again to switch back to "ID" for the 4th dimension -- due 2011-06-22 -- OPEN

<trackbot> http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/226

close ACTION-226

<trackbot> ACTION-226 Edit the spec again to switch back to "ID" for the 4th dimension closed

ACTION-224?

<trackbot> ACTION-224 -- Raphaël Troncy to send a reply to the 4 commenters -- due 2011-06-15 -- OPEN

<trackbot> http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/224

First one: Silvia who asked for using the js library for having a validator

<scribe> ACTION: thomas to develop the validator page using his js library for media fragments [recorded in http://www.w3.org/2011/06/22-mediafrag-minutes.html#action01]

<trackbot> Created ACTION-228 - Develop the validator page using his js library for media fragments [on Thomas Steiner - due 2011-06-29].

Second one: http://lists.w3.org/Archives/Public/public-media-fragment/2011May/0037.html

scribe: from Chris
... except for the loop, all other comments have been adressed

Chris: I confirm

Third one: Boris and Fantasai

The CSS3 spec mentions media fragment: http://dev.w3.org/csswg/css3-images/#url

The SVG 1.1 spec: http://www.w3.org/TR/SVG/struct.html#Overview

Silvia: I would like to come back to Chris bugs ... we confirmed a number of things, but what has been implemented already?
... but Ian's resolution of some HTML5 bugs goes against this
... so what has been actually implemented

Chris: I might have have a version to release this Friday

<doublec> silvia: what bugs are different to what's discussed in the email?

Yves: at the last TAG meeting, we discuss fragments in general
... the SVG fragment itself (viewport) though it is not a XPointer
... the fragment as defined in XML
... the image that re-uses our media fragment syntax

<Yves> http://www.w3.org/TR/SVG/linking.html#SVGFragmentIdentifiers

SVGview has a XPointer like syntax

Yves: the fact we are always using an equal sign, means we don't generate XML id, so no conflict possible
... not something that can be interpreted in different ways by 2 different processors

Raphael: should we discuss with CSS or SVG or Hypertext CG?

Yves: go for CG
... point out the 2 threads, and let us know if there are issues
... so a request for review from the CG

<scribe> ACTION: troncy to bring the CSS/SVG/Media Fragments possible issues to the CG group [recorded in http://www.w3.org/2011/06/22-mediafrag-minutes.html#action02]

<trackbot> Created ACTION-229 - Bring the CSS/SVG/Media Fragments possible issues to the CG group [on Raphaël Troncy - due 2011-06-29].

ACTION-224?

<trackbot> ACTION-224 -- Raphaël Troncy to send a reply to the 4 commenters -- due 2011-06-15 -- OPEN

<trackbot> http://www.w3.org/2008/WebVideo/Fragments/tracker/actions/224

close ACTION-224

<trackbot> ACTION-224 Send a reply to the 4 commenters closed

3. HTML5 Bugs

http://www.w3.org/Bugs/Public/show_bug.cgi?id=10723

Should a UA stop playing at the end of a media fragment

Raphael: stop or actually pause depending on the implementation?

This bug is WONTFIX stage, and points to http://www.w3.org/Bugs/Public/show_bug.cgi?id=12643

Chris: I can re-open the bug once my implementation is here

Raphael: I'm for re-opening the bug once we have example of implementations that contradict Hixie's thought ... e.g. Mozilla and Opera

http://www.w3.org/Bugs/Public/show_bug.cgi?id=12643

Raphael: a new bug

Silvia: unsure it concerns that much media fragment

http://www.w3.org/Bugs/Public/show_bug.cgi?id=12426

Raphael: looping over media fragments
... for hixie, looping means playing from the start of the media, ignoring the fragment

Silvia: Thomas sent numerous use cases

<Yves> but with the fragment, the requested media is the fragment

Raphael: indeed, http://lists.w3.org/Archives/Public/public-media-fragment/2011Jun/0038.html

Chris: we wait for the spec clarification

Silvia: as soon as there is user interaction, the media fragments goes away
... I'm not sure loop will be widely implemented anyway ... since most of the behavior could be done in js

<silvia> … I'm in support of deprecating the loop attribute altogether :-)

Raphael: Thomas wants to re-open this bug
... Chris and Philip think that loop should be deprecated anyway

http://www.w3.org/Bugs/Public/show_bug.cgi?id=12425

<Yves> silvia, it might be a possibility yes

Should the UI (and UX) playing a temporal media fragment be standardized?

<Yves> I agree with Hixie that this is UA specific

Raphael: I think Hixie is right, this is not really our business

Silvia: I agree with that too

Raphael: I will close this bug, we accept this resolution

http://www.w3.org/Bugs/Public/show_bug.cgi?id=12427

Raphael: Hixie is saying that this depends on the MIME type of the resource so not HTML5 business

Silvia: don't do anything, depends on discussion with CSS/SVG group discussions

Raphael: I did generate diff files

http://www.w3.org/2008/WebVideo/Fragments/WD-media-fragments-spec/lc1-lc2-diff.htm

http://www.w3.org/2008/WebVideo/Fragments/WD-media-fragments-spec/lc2-cr-diff.htm

4. Splitting out the spec?

Against splitting: Silvia, Raphael

For splitting: Yves (rationale = don't put several ways of doing the same thing)

<Yves> yes, as it is bad for interop

<davy> I'm also against splitting the spec

Raphael: Philip seems to want that the HTTP part gets out of the spec

<Yves> section 5.2

<doublec> sorry phone problems

<doublec> pointer to thread about split?

Chris: http://lists.w3.org/Archives/Public/public-media-fragment/2011Jun/0021.html

<silvia> how about doing a questionnaire?

<Yves> +1

<scribe> ACTION: troncy to open a questionnaire for splitting out or not (the section 5.2 of) the spec [recorded in http://www.w3.org/2011/06/22-mediafrag-minutes.html#action03]

<trackbot> Created ACTION-230 - Open a questionnaire for splitting out or not (the section 5.2 of) the spec [on Raphaël Troncy - due 2011-06-29].

5. AOB

Raphael: I will put the media fragments list in cc for the exchange with the hypertext CG
... goal is then to answer the questionnaire and vote for transitioning next week