W3C home > Mailing lists > Public > public-tt@w3.org > January 2017

{agenda} TTWG Meeting 2017-01-26

From: Nigel Megitt <nigel.megitt@bbc.co.uk>
Date: Tue, 24 Jan 2017 19:44:05 +0000
To: Timed Text Working Group <public-tt@w3.org>
Message-ID: <D4AD5EFA.355C1%nigel.megitt@bbc.co.uk>
This meeting is scheduled for up to 60m. Please be ready for a prompt start at 11:03am Boston time.

Once again, at the new time 1 hour later than the "old" 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=20170126T11&p1=43

Thursdays 11:03am-12:00pm (or from 10:00am 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: none

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


Reminder re future milestones and meetings:

January Meetings:

Thursday 26th January: TTWG phone meeting 1 hour

Further ahead:

Thursday 2nd February: TTWG phone meeting 1 hour
Thursday 9th February: TTWG phone meeting 1 hour
Thursday 16th February: TTWG phone meeting 1 hour
Thursday 23rd February: 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+ IMSC (now incorporates Unicode ticket)

IMSC 1.1 update

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:
Clarify relationship with current REC <https://github.com/w3c/imsc/pull/202>
Stub to support the current ED link found in the IMSC1 REC <https://github.com/w3c/imsc/pull/205>
Add support for fillLineGap and optional features<https://github.com/w3c/imsc/pull/200>
New or discussed issues:
IMSC1 RED does not point to the ED<https://github.com/w3c/imsc/issues/204>
Scope should specify relationship with current REC<https://github.com/w3c/imsc/issues/201>
Add support for fillLineGap and optional features<https://github.com/w3c/imsc/pull/200> <https://github.com/w3c/imsc/issues/204>
Closed issues:
Create a gh-pages branch for serving the Editor's Drafts<https://github.com/w3c/imsc/issues/187>
Error in Example 6<https://github.com/w3c/imsc/issues/203>

New link: Editor's draft is directly viewable at http://w3c.github.io/imsc/imsc1/spec/ttml-ww-profiles.html
IMSC Implementation Page: https://www.w3.org/wiki/TimedText/IMSC1_implementation_page.

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

Horizontal Review:

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?

Actions:
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/2017/WD-ttml2-20170106/

Merged Pull Requests: None
Open Pull Requests:
Add tts:textShadow example and modify semantics<https://github.com/w3c/ttml2/pull/218>
Apply additional style properties to tt:image, allow @style on tt:image (#232).<https://github.com/w3c/ttml2/pull/234>
New TTML1 Issues: Extract spaces at tts:textDecoration in Animation013<https://github.com/w3c/ttml1/issues/229>
New TTML2 Issues: Rename safeCropArea to activeArea<https://github.com/w3c/ttml2/issues/235>
Closed TTML1 Issues: none
Closed TTML2 Issues: none
Discussed TTML1 Issues: none
Discussed TTML2 Issues: Apply missing style properties to tt:image.<https://github.com/w3c/ttml2/issues/232>

Focus topic for this week
2nd time lucky?
Please prepare your thoughts for discussion of what background-on-span-affecting semantics should be supported in TTML2, covering at least the issues:
Should background of a span be height of text in line or computed lineHeight? #101<https://github.com/w3c/ttml2/issues/101>
Ways to make span background height be lineHeight #150<https://github.com/w3c/ttml2/issues/150>
Clarify semantics of content bpd for inline and line areas #163<https://github.com/w3c/ttml2/issues/163>
Add support for adjacent background area merging #189<https://github.com/w3c/ttml2/issues/189>
This is in the context also of how we resolve the recently discussed IMSC 1.1 issue: Control background between adjacent lines <https://github.com/w3c/imsc/issues/195>

If we have time I would also like us to begin thinking about:
Add security and privacy section. #224<https://github.com/w3c/ttml2/issues/224>


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

Agenda+ Profiles registry.

Updated (2017-01-17) Working Group Note published at https://www.w3.org/TR/ttml-profile-registry/

Merged pull request: none
Open pull requests: none
Closed issues: broken link to fix<https://github.com/w3c/tt-profile-registry/issues/35>
New issue: none

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

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

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 requirements for region identifier to exist.<https://github.com/w3c/webvtt/pull/201>.<https://github.com/w3c/webvtt/pull/201>
Merged Pull requests: Add a section that explains the CSS extensions to authors.<https://github.com/w3c/webvtt/pull/317>
New issues:
Add Security and Privacy Considerations section<https://github.com/w3c/webvtt/issues/323>
Use bikeshed markup for terms correctly (using for="" etc)<https://github.com/w3c/webvtt/issues/322>
Closed issues:
CR bug: rearrange section 6<https://github.com/w3c/webvtt/issues/313>
After overlap resolution, new cue positions should be represented in the DOM<https://github.com/w3c/webvtt/issues/285>
Parsing question about "line terminators"<https://github.com/w3c/webvtt/issues/303>
Add default styling to "well-known" classes<https://github.com/w3c/webvtt/issues/270>
Have tags for specifying color and background color<https://github.com/w3c/webvtt/issues/272>
Recently discussed issues:
New Feature: start addressing live captioning<https://github.com/w3c/webvtt/issues/318>
Question about the cue's line when cue has region<https://github.com/w3c/webvtt/issues/296>
Live captioning - JS API review<https://github.com/w3c/webvtt/issues/319>
Native controls cue overlap avoidance works badly for vertical<https://github.com/w3c/webvtt/issues/276>
Minimal resolution of overlapping cues is difficult<https://github.com/w3c/webvtt/issues/284>
CR bug: region identifiers<https://github.com/w3c/webvtt/issues/314>
CR bug: support scrolling for vertically rendered text<https://github.com/w3c/webvtt/issues/316>
Live captioning - incremental cues review <https://github.com/w3c/webvtt/issues/320>

Agenda+ AOB

References

Wiki http://www.w3.org/wiki/TimedText
Received on Tuesday, 24 January 2017 19:44:37 UTC

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