W3C home > Mailing lists > Public > public-tt@w3.org > December 2016

{agenda} TTWG Meeting 2016-12-22

From: Nigel Megitt <nigel.megitt@bbc.co.uk>
Date: Tue, 20 Dec 2016 13:44:36 +0000
To: "public-tt@w3.org" <public-tt@w3.org>
Message-ID: <D47EE63C.33373%nigel.megitt@bbc.co.uk>
This meeting is scheduled for up to 60m. Please be ready for a prompt start at 10:03am Boston time.

Our teleconference is scheduled with reference to Boston Time, the correct time of this teleconference in your locale may change.

Check https://www.timeanddate.com/worldclock/fixedtime.html?iso=20161222T10&p1=43

Thursdays 10:03am-11:00am (or 12:00pm for 2 hour meetings) Boston local

Joining details:

see https://lists.w3.org/Archives/Member/member-tt/2016Oct/0009.html

(members-only link – if you can't see this and wish to join please contact me)

Agenda+ Assign Roles

Chairs: Nigel Megitt

Scribe: usually Nigel – open to offers!

Regrets: Thierry

Activity since last meeting:
See individual agenda items for recent activity on specific products

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. F2F Meeting planning
2. IMSC (now incorporates Unicode ticket)
3. Profiles registry
4. TTML2 issues, actions, PRs etc
5. TTML and WebVTT mapping document
6. Progress on HTMLCue proposal
7. WebVTT comments
8. AOB – please notify of any other AOB now!

Reminder re future milestones and meetings:

December Meetings:

Thursday 29th December: No meeting

Further ahead:

Thursday 5th January: No meeting
Thursday 12th January and Friday 13th January, F2F Meeting in London, UK. Wiki page: http://www.w3.org/wiki/TimedText/F2F-jan-2017
Thursday 19th January: TTWG phone meeting 1 hour
Thursday 26th January: TTWG phone meeting 1 hour

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+ F2F planning


Thursday 12th January and Friday 13th January, F2F Meeting in London, UK. Wiki page: http://www.w3.org/wiki/TimedText/F2F-jan-2017

ID      State   Title   Person  Due Date        Associated with
ACTION-491<https://www.w3.org/AudioVideo/TT/tracker/actions/491>[(edit)]<https://www.w3.org/AudioVideo/TT/tracker/actions/491/edit>     open    Generate detailed (timed) agenda for f2f to allow people to prepare in advance<https://www.w3.org/AudioVideo/TT/tracker/actions/491>    Nigel Megitt    2016-12-22

The agenda topics for TTML2 now include all the open issues for review and hopefully closure.

Please register for the F2F by adding your name to the wiki by 23rd December 2016.

Agenda+ IMSC (now incorporates Unicode ticket)

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

Pierre's response to the recent update is at http://unicode.org/cldr/trac/ticket/8915#comment:9

Email response from Shervin at Unicode https://lists.w3.org/Archives/Public/public-tt/2016Dec/0018.html

Merged pull requests: none
Open pull requests: none
New or discussed issues:
"green" is not quite green<https://github.com/w3c/imsc/issues/190>;
Example 10 - fontHeight problem<https://github.com/w3c/imsc/issues/189>; Example 4 typo - extent height<https://github.com/w3c/imsc/issues/188>;
Errata document has wrong text encoding for IRT full name<https://github.com/w3c/imsc/issues/183>;
Highlight semantics of smpte:backgroundImage<https://github.com/w3c/imsc/issues/178>

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+ Profiles registry.

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

Merged pull request: n<https://github.com/w3c/tt-profile-registry/pull/27>one
Open pull requests: Add section 4 descriptions<https://github.com/w3c/tt-profile-registry/pull/28>; Update index.html<https://github.com/w3c/tt-profile-registry/pull/30>
Closed issues: none
New issue: none




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

ID      State   Title   Person  Due Date        Associated with
ACTION-480<https://www.w3.org/AudioVideo/TT/tracker/actions/480>[(edit)]<https://www.w3.org/AudioVideo/TT/tracker/actions/480/edit>     pending review  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>

Liaison acknowledgement response received, archived at https://lists.w3.org/Archives/Member/member-tt/2016Dec/0004.html

CSS Review of TTML2, threads: FW: TTML2 horizontal review with CSS<https://lists.w3.org/Archives/Public/public-tt/2016Dec/0013.html> and Fwd: Subtitle/caption styling + TTML + CSS<https://lists.w3.org/Archives/Public/public-tt/2016Dec/0019.html>

CSS 2.2 request for reviews from TTWG et al: Pre-announcement of CR for CSS 2.2 & request for reviews<https://lists.w3.org/Archives/Public/public-tt/2016Dec/0017.html> When can we schedule a review and gather feedback?

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>

Most recent WD published at https://www.w3.org/TR/2016/WD-ttml2-20161117/

Merged Pull Requests: None
Open Pull Requests: Issue 0193 add examples of ja features<https://github.com/w3c/ttml2/pull/202>.; Add tts:textShadow example and modify semantics<https://github.com/w3c/ttml2/pull/218>
New TTML1 Issues: no begin times in Pop-On example in Appendex O<https://github.com/w3c/ttml1/issues/224>
New TTML2 Issues: no begin times in Pop-On example in Appendex P<https://github.com/w3c/ttml2/issues/227>; What is the painting order for image, text, backgroundImage and backgroundColor?<https://github.com/w3c/ttml2/issues/228>
Discussed or Closed TTML1 Issues: Do tts:origin and tts:extent apply to the padded rectangle or the content rectangle? (c.f. XSL and CSS definitions)<https://github.com/w3c/ttml1/issues/221>
Closed TTML2 Issues: Deterministic text wrapping and presentation<https://github.com/w3c/ttml2/issues/86>; Specify attribute value syntax post-normalization<https://github.com/w3c/ttml2/issues/190>
Discussed TTML2 Issues (in decreasing order of comments added, excluding those that have only been labelled):
Percentage and writing mode relative edges apply to tts:padding<https://github.com/w3c/ttml2/issues/144>;
Embedded graphics don't fully meet requirement<https://github.com/w3c/ttml2/issues/141>;
Ways to make span background height be lineHeight<https://github.com/w3c/ttml2/issues/150>;
Should background of a span be height of text in line or computed lineHeight?<https://github.com/w3c/ttml2/issues/101>;
The tts:lineHeight property should apply to span<https://github.com/w3c/ttml2/issues/131>;
Regarding initial value of tts:lineHeight<https://github.com/w3c/ttml2/issues/87>;
Add support for marquee style semantics<https://github.com/w3c/ttml2/issues/119>;
Add identifier support for related ordered sequences of documents<https://github.com/w3c/ttml2/issues/122>;
Define HTML5 Mapping<https://github.com/w3c/ttml2/issues/127>; Implement Requirements conformance changes described in Action-372<https://github.com/w3c/ttml2/issues/130>;
The width of content elements' areas is unclear, especially looking at the examples<https://github.com/w3c/ttml2/issues/134>;
Clarify the application specific usages of clockMode="local"<https://github.com/w3c/ttml2/issues/136>;
The tts:displayAlign property may need to apply to content elements<https://github.com/w3c/ttml2/issues/137>;
The tts:textAlign property may need to apply to div, body<https://github.com/w3c/ttml2/issues/138>;
There's no apparent use case for the "any" term in ttp:contentProfiles<https://github.com/w3c/ttml2/issues/139>;
Consider applying ipd or bpd to content images<https://github.com/w3c/ttml2/issues/140>; <https://github.com/w3c/ttml2/issues/149>
Model for binding presentation values to externally defined parameters<https://github.com/w3c/ttml2/issues/149>;
TTML Intermediate Document Type "non-hierarchical"<https://github.com/w3c/ttml2/issues/225>
TTML2 Issues identified as candidates for closure:
Use of content encoding<https://github.com/w3c/ttml2/issues/124>;
Allow negative times to be used in fragment begin times<https://github.com/w3c/ttml2/issues/109>;
Style attribute to prevent overflow by shrinking text to fit on a line<https://github.com/w3c/ttml2/issues/97>; Inline space<https://github.com/w3c/ttml2/issues/53>;
Individual character rotation<https://github.com/w3c/ttml2/issues/47>;
The values for alpha in rgba() don't correspond to CSS3 Color definitions<https://github.com/w3c/ttml2/issues/38>;

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

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+ 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+ WebVTT review feedback

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>
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      WebVTT 1.0<https://www.w3.org/AudioVideo/TT/tracker/products/8>

Discussion on WebVTT review feedback and next steps.

WebVTT Wide review wiki page: https://www.w3.org/wiki/WebVTT_Wide_Review

Open Pull requests: Add a section that explains the CSS extensions to authors.<https://github.com/w3c/webvtt/pull/317>; Fix #270: Add classes to specify text colour<https://github.com/w3c/webvtt/pull/279>; Add requirements for region identifier to exist.<https://github.com/w3c/webvtt/pull/201>.<https://github.com/w3c/webvtt/pull/201>
New issues: None
Closed issues: None
Recently discussed issues: n<https://github.com/w3c/webvtt/issues/264>one

Agenda+ AOB


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



This e-mail (and any attachments) is confidential and may contain personal views which are not the views of the BBC unless specifically stated.
If you have received it in error, please delete it from your system.
Do not use, copy or disclose the information in any way nor act in reliance on it and notify the sender immediately.
Please note that the BBC monitors e-mails sent or received.
Further communication will signify your consent to this.

Received on Tuesday, 20 December 2016 13:45:08 UTC

This archive was generated by hypermail 2.4.0 : Friday, 17 January 2020 17:44:04 UTC