{agenda} TTWG Meeting 2016-09-29

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Agenda+ Assign Roles

Chairs: Nigel Megitt

Scribe: usually Nigel – open to offers!

Regrets:

Activity since last meeting:
Actions: ACTION-475<https://www.w3.org/AudioVideo/TT/tracker/actions/475>; ACTION-473<https://www.w3.org/AudioVideo/TT/tracker/actions/473>; ACTION-480<https://www.w3.org/AudioVideo/TT/tracker/actions/480>

IMSC:
Merged PRs:
Closed Issues: none.
New and Discussed Issues: none.
Open PRs: none.

TTML1 & 2 :
Merged PRs: Add support for rounded borders by introducing <border-radii> compose…<https://github.com/w3c/ttml2/pull/179>; Add missing two component expression to <position> value syntax.<https://github.com/w3c/ttml2/pull/180>; Remove cea{608,708} prefix from named items.<https://github.com/w3c/ttml2/pull/182>
Open PRs: Augment use of lwsp in ttp:{content,processor}Profiles (#170). <https://github.com/w3c/ttml2/pull/185> ;
Add ttp:safeCropArea <https://github.com/w3c/ttml2/pull/184> ; Add tts:background{Clip,Extent,Origin}. <https://github.com/w3c/ttml2/pull/177> .
New and discussed issues: Specify attribute value syntax post-normalisation<https://github.com/w3c/ttml2/issues/190>;
Add support for adjacent background area merging<https://github.com/w3c/ttml2/issues/189>; Create a registry of named metadata items.<https://github.com/w3c/ttml2/issues/188>; Ensure that document conventions cover syntax used in value expressions.<https://github.com/w3c/ttml2/issues/186>; Augment use of lwsp in ttp:{content,processor}Profiles (#170).<https://github.com/w3c/ttml2/pull/185>; Ways to make span background height be lineHeight<https://github.com/w3c/ttml2/issues/150>; Use of fractional seconds in clock-time expression in smpte mode<https://github.com/w3c/ttml2/issues/165>; Make inline region semantics set values on current region<https://github.com/w3c/ttml2/issues/168>; The uniqueness of xml:id needs to be broken for some uses of condition<https://github.com/w3c/ttml2/issues/128>; Add ttp:safeCropArea<https://github.com/w3c/ttml2/pull/184>; Add safe crop area<https://github.com/w3c/ttml2/issues/173>;

Timed Text Profile Registry:
Merged PRs: none.
Open PRs: none.
New and discussed issues: none. PLH has agreed to take care of the media registration update with IANA.


TTML/WebVTT mapping:
Merged PRs: none;
Open PRs: none;
New and discussed issues: none.

WebVTT:
0 PR merged; 2 PRs open; 0 issues created, 0 issue closed: discussion via github

Cross-product TTWG board: http://www.w3.org/AudioVideo/TT/board/

We are still using tracker for actions unrelated to issues.
Please do not add or modify issues in tracker!

IMSC: https://github.com/w3c/imsc/pulse

TTML1: https://github.com/w3c/ttml1/pulse

TTML2: https://github.com/w3c/ttml2/pulse

TTML Profile Registry: https://github.com/w3c/tt-profile-registry/pulse

TTML-WebVTT mapping: https://github.com/w3c/ttml-webvtt-mapping/pulse

WebVTT: https://github.com/w3c/webvtt/pulse


Agenda+ Prioritise discussion for this meeting and look ahead

Check-point for order of topics – I'd suggest, subject to reordering:
1. TTML2 issues, actions, PRs etc
2. Profile registry
3. IMSC
4. TTML and WebVTT mapping document
5. Progress on HTMLCue proposal
6. Unicode liaison
7. WebVTT comments
8. AOB – please notify of any other AOB now!


Reminder re future milestones and meetings:

September Meetings:
Thursday 29th September: TTWG phone meeting 1 hour

Further ahead:

October Meetings:
Thursday 6th October: TTWG phone meeting 1 hour
Thursday 13th October: TTWG phone meeting ? hour(s)
Thursday 20th October: TTWG phone meeting ? hour(s) - please note time has been requested in this meeting to discuss WebVTT progression
Thursday 27th October: TTWG phone meeting ? hour(s)

1st November: draft TTML2 Candidate Recommendation

IMSC 2 and TTML2 publication events: see the timeline of upcoming work at https://www.w3.org/wiki/TimedText/Publications#Timeline_of_TTML2_and_IMSC2_work



Agenda+ TTML1 & TTML2 issues, actions, PRs, editorial actions etc

ID      State   Title   Person  Due Date        Associated with
ACTION-443<https://www.w3.org/AudioVideo/TT/tracker/actions/443>[(edit)]<https://www.w3.org/AudioVideo/TT/tracker/actions/443/edit>     open    Prepare a document showing mapping arib ruby extension features to ttml2 for use as a liaison document to arib.<https://www.w3.org/AudioVideo/TT/tracker/actions/443>   Glenn Adams     2016-08-26      TTML2<https://www.w3.org/AudioVideo/TT/tracker/products/4>
ACTION-462<https://www.w3.org/AudioVideo/TT/tracker/actions/462>[(edit)]<https://www.w3.org/AudioVideo/TT/tracker/actions/462/edit>     open    Create issue on ttml2 to add "mapping from other versions and profiles of ttml"<https://www.w3.org/AudioVideo/TT/tracker/actions/462>   Glenn Adams     2016-04-28      TTML2<https://www.w3.org/AudioVideo/TT/tracker/products/4>

ACTION-480<https://www.w3.org/AudioVideo/TT/tracker/actions/480>[(edit)]<https://www.w3.org/AudioVideo/TT/tracker/actions/480/edit>     open    Request schedule time for horizontal review of ttml2<https://www.w3.org/AudioVideo/TT/tracker/actions/480>      Thierry Michel  2016-09-26      TTML2<https://www.w3.org/AudioVideo/TT/tracker/products/4>

ACTION-481<https://www.w3.org/AudioVideo/TT/tracker/actions/481>[(edit)]<https://www.w3.org/AudioVideo/TT/tracker/actions/481/edit>     open    Provide nigel with a list of new features in ttml2 to begin reviewing<https://www.w3.org/AudioVideo/TT/tracker/actions/481>     Glenn Adams     2016-09-26



Current open issues: https://github.com/w3c/ttml1/issues and https://github.com/w3c/ttml2/issues

Collated time related issues for TTML2: https://github.com/w3c/ttml2/wiki/Time


See spreadsheet of editorial actions at https://github.com/w3c/ttml2/blob/master/spec/ednotes.xlsx


Edit/build instructions now in README in ttml2/spec/ at https://github.com/w3c/ttml2/blob/master/spec/README.md


More volunteers welcomed!

TTML Change Proposals – progress and review

Change Proposal Index is at http://www.w3.org/wiki/TTML/ChangeProposalIndex

The current priority 2 CPs (needs to be complete before WD for Wide Review) are:

5       OPEN    2       Jerry Smith     TTML2   HTML5 Mapping semantics<https://www.w3.org/wiki/TTML/changeProposal005>
7       OPEN    2       Pierre-Anthony Lemieux  TTML2   3D extensions<https://www.w3.org/wiki/TTML/changeProposal007>
9       OPEN    2       Pierre-Anthony Lemieux  IMSC2   Complexity model<https://www.w3.org/wiki/TTML/changeProposal009>
11      OPEN    2       Pierre-Anthony Lemieux  TTML2   Metadata vocab<https://www.w3.org/wiki/TTML/changeProposal011>
15      OPEN    2       Glenn Adams     TTML2   Style.CSS additions<https://www.w3.org/wiki/TTML/changeProposal015>
17      OPEN    2       Glenn Adams     TTML2   Style.Defaults<https://www.w3.org/wiki/TTML/changeProposal017>
19      OPEN    2       Glenn Adams     TTML2   Style.Syntax fixes<https://www.w3.org/wiki/TTML/changeProposal019>
21      OPEN    2       Pierre-Anthony Lemieux  TTML2   Typography.I18n<https://www.w3.org/wiki/TTML/changeProposal021>
25      OPEN    2       Nigel Megitt    TTML2   Distribution<https://www.w3.org/wiki/TTML/changeProposal025>


Agenda+ Profiles registry.

Working Group Note published at https://www.w3.org/TR/ttml-profile-registry/



ACTION-477<https://www.w3.org/AudioVideo/TT/tracker/actions/477>[(edit)]<https://www.w3.org/AudioVideo/TT/tracker/actions/477/edit>     open    Progress the update to ttml media type registration with iana<https://www.w3.org/AudioVideo/TT/tracker/actions/477>     Philippe Le Hégaret     2016-09-15



https://github.com/w3c/tt-profile-registry

http://w3c.github.io/tt-profile-registry/


https://www.w3.org/wiki/TTML/ProfileRegistry


Agenda+ IMSC


ACTION-478<https://www.w3.org/AudioVideo/TT/tracker/actions/478>[(edit)]<https://www.w3.org/AudioVideo/TT/tracker/actions/478/edit>     open    Draft a liaison to hbbtv requesting further information and proposing an option e.g. to extend imsc 1 to allow signalling of background height on span, and request timelines etc.<https://www.w3.org/AudioVideo/TT/tracker/actions/478>        Nigel Megitt    2016-09-26



ACTION-479<https://www.w3.org/AudioVideo/TT/tracker/actions/479>[(edit)]<https://www.w3.org/AudioVideo/TT/tracker/actions/479/edit>     open    Refactor the imsc repository in preparation for future versions of imsc.<https://www.w3.org/AudioVideo/TT/tracker/actions/479>  Pierre-Anthony Lemieux  2016-09-26



Editor's draft is directly viewable at https://rawgit.com/w3c/imsc1/master/spec/ttml-ww-profiles.html

IMSC Implementation Page: https://www.w3.org/wiki/TimedText/IMSC1_implementation_page.


Agenda+ TTML and WebVTT Mapping Document

Editor's Draft is at http://w3c.github.io/ttml-webvtt-mapping/


Agenda+ HTMLCue proposal progress update.

ID      State   Title   Person  Due Date        Associated with
ACTION-441<https://www.w3.org/AudioVideo/TT/tracker/actions/441>[(edit)]<https://www.w3.org/AudioVideo/TT/tracker/actions/441/edit>     open    Kick off the analysis work on the vttcue carrying html idea.<https://www.w3.org/AudioVideo/TT/tracker/actions/441>      Andreas Tai     2015-11-05


See https://lists.w3.org/Archives/Public/public-tt/2016Apr/0012.html for further information on this, this week.

Also HTML import and HTMLCue?<https://lists.w3.org/Archives/Public/public-tt/2016Sep/0003.html> email from 2016-09-06.

[placeholder agenda item]

Agenda+ Unicode liaison.

Unicode ticket is at http://unicode.org/cldr/trac/ticket/8915


Note that this was updated after IMSC 1 Recommendation publication as per Action-457.

[placeholder agenda item]

Agenda+ WebVTT review feedback


ACTION-473<https://www.w3.org/AudioVideo/TT/tracker/actions/473>[(edit)]<https://www.w3.org/AudioVideo/TT/tracker/actions/473/edit>     open    Contact co-chairs and essential parties on how to move forward on vtt; need an action plan<https://www.w3.org/AudioVideo/TT/tracker/actions/473>        Thierry Michel  2016-06-30



ID      State   Title   Person  Due Date        Associated with
ACTION-396<https://www.w3.org/AudioVideo/TT/tracker/actions/396>[(edit)]<https://www.w3.org/AudioVideo/TT/tracker/actions/396/edit>     open    Produce evidence of request for wide review for webvtt, for the archive<https://www.w3.org/AudioVideo/TT/tracker/actions/396>   David Singer    2015-04-17      WebVTT 1.0<https://www.w3.org/AudioVideo/TT/tracker/products/8>

Discussion on WebVTT review feedback and next steps.

Agenda+ AOB

References

Wiki http://www.w3.org/wiki/TimedText





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Received on Tuesday, 27 September 2016 12:42:44 UTC