W3C home > Mailing lists > Public > public-tt@w3.org > February 2018

{agenda} TTWG Meeting 2018-03-01

From: Nigel Megitt <nigel.megitt@bbc.co.uk>
Date: Wed, 28 Feb 2018 16:46:06 +0000
To: "public-tt@w3.org" <public-tt@w3.org>
Message-ID: <D6BC8D47.561A2%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=20180301T10&p1=43


Thursdays 10:03am-12:00pm 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. TTML1 3rd Ed CR, Actions, Third Edition Pull Requests and Issues
2. TTML2 Actions, Pull Requests and Issues
3. IMSC Actions, Pull Requests and Issues
4. IMSC vNext requirements Actions, Pull Requests and Issues
5. CSS Actions Review
6. WebVTT (David Singer to Chair if present)
7. HDR in PNG (placeholder)
8. AOB – please notify of any other AOB now!


Reminder re future milestones and meetings:

March meetings:

Thursday 8th March: TTWG meeting ? Hour(s)
Thursday 15th March: TTWG meeting ? Hour(s)
Thursday 22nd March: TTWG meeting ? Hour(s)
Thursday 29th March: TTWG meeting ? Hour(s)

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


Further ahead:

Thursday 5th April: TTWG meeting ? Hour(s)
Thursday 12th April: TTWG meeting ? Hour(s)
Thursday 19th April: TTWG meeting ? Hour(s)
Thursday 26th April: TTWG meeting ? Hour(s)

Agenda+ TTML1 3rd Ed CR, Actions, Pull Requests and Issues

Actions – none in Tracker

TTML1 3rd Edition CR – next steps

PROPOSAL: transition to CR of TTML1 3rd Edition based on build available at https://rawgit.com/w3c/ttml1/TTML1-3ED-CR1-build/index.html


Recent Activity


 1 Pull request merged by 1 person

  *   Merged #301 Clarify tts:fontSize semantics<https://github.com/w3c/ttml1/pull/301>

 3 Issues closed by 2 people
Closed #206 Use of 'em' units in tts:fontSize on region element is not well defined.<https://github.com/w3c/ttml1/issues/206>
Closed #214 Clarify the semantics of tts:fontSize="2em".<https://github.com/w3c/ttml1/issues/214>
Closed #215 Two value percentage fontSize not fully defined.<https://github.com/w3c/ttml1/issues/215>

  *

Pull Requests To Review (if discussion requested)

  *
 3 Pull requests proposed by 1 person

Proposed #343 TTML1 3ED CR<https://github.com/w3c/ttml1/pull/343>
Proposed #344 Wrap overflow example lines (#341)<https://github.com/w3c/ttml1/pull/344>
Proposed #345 Apply TTML1 2ED errata<https://github.com/w3c/ttml1/pull/345>


New (and old) Issues and Pull Requests to Discuss

(Plus unresolved issues with ongoing conversations, to be confirmed.)

No new issues opened.

No issues marked for the agenda


Links

TTML1 issues and pull requests labelled for the agenda: https://github.com/w3c/ttml1/labels/agenda

TTML1 issues blocked: https://github.com/w3c/ttml1/labels/blocked

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



Agenda+ TTML2 Actions, Pull Requests and Issues

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>


Recent Activity

 1 Pull request merged by 1 person
Merged #677 Add missing at-risk feature to SoTD as resolved (#676).<https://github.com/w3c/ttml2/pull/677>

 1 Issue closed by 1 person
Closed #676 Marking tts:ipd at risk.<https://github.com/w3c/ttml2/issues/676>

  *

  *
Pull Requests open for review (to discuss if requested):

 2 Pull requests proposed by 1 person
Proposed #681 Fix typos (#678).<https://github.com/w3c/ttml2/pull/681>
Proposed #682 Add missing feature designations (#680).<https://github.com/w3c/ttml2/pull/682>
     *
5 pull requests open for longer (labelled as CR2):

Proposed #650 Specify font loading semantics (#368).<https://github.com/w3c/ttml2/pull/650>
Proposed #651 Update requirements for claim of document (content) compliance (#495).<https://github.com/w3c/ttml2/pull/651>
Proposed #652 Resolve confusion between default and implicit (#590).<https://github.com/w3c/ttml2/pull/652>
Proposed #655 Refactor and refine non-terminal syntax for profile designators (#365, #366).<https://github.com/w3c/ttml2/pull/655>
Proposed #665 Clarify that metadata has no presentation semantics (#656).<https://github.com/w3c/ttml2/pull/665>



New (and old) Issues and Pull Requests to discuss:

(Plus unresolved issues with ongoing conversations, to be confirmed.)

TTML2 issues and pull requests labelled for the agenda: https://github.com/w3c/ttml2/labels/agenda


 4 Issues created by 2 people
Opened #683 Profile related features should be optional<https://github.com/w3c/ttml2/issues/683>
Opened #680 Missing feature designations in Table E-1.<https://github.com/w3c/ttml2/issues/680>
Opened #679 Add missing feature designations.<https://github.com/w3c/ttml2/issues/679>
Opened #678 Fix typos.<https://github.com/w3c/ttml2/issues/678>

Issues marked as Agenda:

#683 Profile related features should be optional <https://github.com/w3c/ttml2/issues/683> agenda<https://github.com/w3c/ttml2/issues?q=is%3Aissue+is%3Aopen+label%3Aagenda> substantive<https://github.com/w3c/ttml2/issues?q=is%3Aissue+is%3Aopen+label%3Asubstantive>


Pull requests marked as Agenda:

None at this time


Links

Most recent WD published at https://www.w3.org/TR/2017/WD-ttml2-20170630/

Current ED available at https://w3c.github.io/ttml2/


Current open issues:  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+ IMSC Actions, Pull Requests and Issues

Actions

ID      State   Title   Person  Due Date        Associated with
ACTION-509<https://www.w3.org/AudioVideo/TT/tracker/actions/509>[(edit)]<https://www.w3.org/AudioVideo/TT/tracker/actions/509/edit>     open    Propose liaison text for the imsc 1.1 fpwd<https://www.w3.org/AudioVideo/TT/tracker/actions/509>        Pierre-Anthony Lemieux  2017-10-12      TTML IMSC 2.0<https://www.w3.org/AudioVideo/TT/tracker/products/10>

Recent Activity

IMSC 1.0.1 Proposed Recommendation was published on Tuesday 27th February 2018: https://www.w3.org/TR/ttml-imsc1.0.1/


 1 Pull request merged by 1 person
Merged #330 Remove recommendations on time expressions and ttp:cellResolution<https://github.com/w3c/imsc/pull/330>


 4 Issues closed by 2 people
Closed #329 consider removing recommendations that do not appear to address a technical problem<https://github.com/w3c/imsc/issues/329>
Closed #327 Remove Editor's note in scope and update last bullet point<https://github.com/w3c/imsc/issues/327>
Closed #311 Prohibit usesForced named metadata item<https://github.com/w3c/imsc/issues/311>
Closed #323 Update to Process 2018<https://github.com/w3c/imsc/issues/323>


Pull Requests To Review (if discussion requested)

No new pull requests.

2 pull requests open for longer:

Proposed #322 Port IMSC1.0.1 fixes<https://github.com/w3c/imsc/pull/322> imsc1.1<https://github.com/w3c/imsc/issues?q=is%3Apr+is%3Aopen+label%3Aimsc1.1>

Proposed #326 Add explanatory text on profiles and processors<https://github.com/w3c/imsc/pull/326> imsc1.1<https://github.com/w3c/imsc/issues?q=is%3Apr+is%3Aopen+label%3Aimsc1.1>

New (and old) Issues to Discuss

7 issues labelled as agenda (also likely to be discussed in the imminent APA / TTWG joint meeting):

APA comment: align altText restrictions with HTML alt attribute <https://github.com/w3c/imsc/issues/321> WR-open<https://github.com/w3c/imsc/issues?q=is%3Aopen+label%3AWR-open> agenda<https://github.com/w3c/imsc/issues?q=is%3Aopen+label%3Aagenda>horizontal-review<https://github.com/w3c/imsc/issues?q=is%3Aopen+label%3Ahorizontal-review> imsc1.1<https://github.com/w3c/imsc/issues?q=is%3Aopen+label%3Aimsc1.1>
APA comment: richer semantic layers than forcedDisplay allows <https://github.com/w3c/imsc/issues/320> WR-open<https://github.com/w3c/imsc/issues?q=is%3Aopen+label%3AWR-open> agenda<https://github.com/w3c/imsc/issues?q=is%3Aopen+label%3Aagenda>horizontal-review<https://github.com/w3c/imsc/issues?q=is%3Aopen+label%3Ahorizontal-review> imsc1.1<https://github.com/w3c/imsc/issues?q=is%3Aopen+label%3Aimsc1.1>
APA comment: permit font related features in Image profile <https://github.com/w3c/imsc/issues/319> WR-open<https://github.com/w3c/imsc/issues?q=is%3Aopen+label%3AWR-open> agenda<https://github.com/w3c/imsc/issues?q=is%3Aopen+label%3Aagenda> horizontal-review<https://github.com/w3c/imsc/issues?q=is%3Aopen+label%3Ahorizontal-review>imsc1.1<https://github.com/w3c/imsc/issues?q=is%3Aopen+label%3Aimsc1.1>
APA comment: specify association between image and text profile documents <https://github.com/w3c/imsc/issues/318> WR-open<https://github.com/w3c/imsc/issues?q=is%3Aopen+label%3AWR-open>agenda<https://github.com/w3c/imsc/issues?q=is%3Aopen+label%3Aagenda> horizontal-review<https://github.com/w3c/imsc/issues?q=is%3Aopen+label%3Ahorizontal-review> imsc1.1<https://github.com/w3c/imsc/issues?q=is%3Aopen+label%3Aimsc1.1>
APA comment: Meet WCAG SC 1.4.1 requirement <https://github.com/w3c/imsc/issues/317> WR-open<https://github.com/w3c/imsc/issues?q=is%3Aopen+label%3AWR-open> agenda<https://github.com/w3c/imsc/issues?q=is%3Aopen+label%3Aagenda> horizontal-review<https://github.com/w3c/imsc/issues?q=is%3Aopen+label%3Ahorizontal-review> imsc1.1<https://github.com/w3c/imsc/issues?q=is%3Aopen+label%3Aimsc1.1>
APA comment: presentation customisation <https://github.com/w3c/imsc/issues/316> WR-open<https://github.com/w3c/imsc/issues?q=is%3Aopen+label%3AWR-open> agenda<https://github.com/w3c/imsc/issues?q=is%3Aopen+label%3Aagenda> horizontal-review<https://github.com/w3c/imsc/issues?q=is%3Aopen+label%3Ahorizontal-review> imsc1.1<https://github.com/w3c/imsc/issues?q=is%3Aopen+label%3Aimsc1.1>
APA comment: Improve introduction <https://github.com/w3c/imsc/issues/315> WR-open<https://github.com/w3c/imsc/issues?q=is%3Aopen+label%3AWR-open> agenda<https://github.com/w3c/imsc/issues?q=is%3Aopen+label%3Aagenda> horizontal-review<https://github.com/w3c/imsc/issues?q=is%3Aopen+label%3Ahorizontal-review> imsc1.1<https://github.com/w3c/imsc/issues?q=is%3Aopen+label%3Aimsc1.1> pr open<https://github.com/w3c/imsc/issues?q=is%3Aopen+label%3A%22pr+open%22>

No new issues created

  *

Links

IMSC issues and pull requests labelled for the agenda: https://github.com/w3c/imsc/labels/agenda :
IMSC issues blocked: https://github.com/w3c/imsc/labels/blocked


IMSC 1.0.1
Editor's draft is directly viewable at http://w3c.github.io/imsc/imsc1/spec/ttml-ww-profiles.html

IMSC 1.0.1 PR published at https://www.w3.org/TR/2018/PR-ttml-imsc1.0.1-20180227/

IMSC 1 Rec available at https://www.w3.org/TR/2016/REC-ttml-imsc1-20160421/

Patent policy call for exclusions sent 2017-02-03, archived at https://lists.w3.org/Archives/Public/public-tt/2017Feb/0006.html


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

IMSC Tests repository: https://github.com/w3c/imsc-tests


IMSC 1.1 FPWD: https://www.w3.org/TR/2017/WD-ttml-imsc1.1-20171017/


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



Agenda+ IMSC vNext Requirements


Links

IMSCvNext Requirements editor's draft: https://w3c.github.io/imsc-vnext-reqs/

IMSCvNext Requirements repository: https://github.com/w3c/imsc-vnext-reqs


Recent Activity

(none)

Pull requests for review (to discuss if requested)

3 Pull requests open for longer than a week:

  *   Proposed #16 Constrain text emphasis position to 'outside'<https://github.com/w3c/imsc-vnext-reqs/pull/16>
  *   Proposed #17 Specify deprecation model<https://github.com/w3c/imsc-vnext-reqs/pull/17>

Proposed #12 List features that are excluded from deprecation requirements<https://github.com/w3c/imsc-vnext-reqs/pull/12>


PROPOSAL: Publish IMSC v1.1 Requirements as a WG Note

Links

IMSC Requirements issues labelled for the agenda: https://github.com/w3c/imsc-vnext-reqs/labels/agenda :
IMSC Requirements issues blocked: https://github.com/w3c/imsc-vnext-reqs/labels/blocked



Agenda+ CSS actions review

Are CSS issues filed for all style attributes for which we believe CSS work is needed?

See also https://lists.w3.org/Archives/Public/public-tt/2017Nov/0109.html


CSS WG review

Minutes from TTWG and CSS WG joint meeting at TPAC: https://www.w3.org/2017/11/09-tt-minutes.html#item35

Minutes from CSS WG Paris F2F that Nigel attended remotely on Friday 4th August: https://lists.w3.org/Archives/Public/www-style/2017Sep/0000.html

This is at https://www.w3.org/wiki/TTML/CSSRequirements


TAG design review issue: https://github.com/w3ctag/design-reviews/issues/138


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?


Agenda+ WebVTT

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-502<https://www.w3.org/AudioVideo/TT/tracker/actions/502>[(edit)]<https://www.w3.org/AudioVideo/TT/tracker/actions/502/edit>     open    Explain to david that we need a more consistent disposition of comments for webvtt.<https://www.w3.org/AudioVideo/TT/tracker/actions/502>       Thierry Michel  2017-08-10      WebVTT 1.0<https://www.w3.org/AudioVideo/TT/tracker/products/8>



Links

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


Activity

 3 Pull requests merged by 1 person
Merged #410 Add a paragraph about the reasons why limiting styles.<https://github.com/w3c/webvtt/pull/410>
Merged #418 Class override<https://github.com/w3c/webvtt/pull/418>
Merged #420 Cue setting clarifications<https://github.com/w3c/webvtt/pull/420>


 3 Issues closed by 2 people
Closed #373 Wide Review Comment 2017: future styling options mechanism<https://github.com/w3c/webvtt/issues/373>
Closed #384 Wide Review Comment 2017: Algorithmic specification<https://github.com/w3c/webvtt/issues/384>
Closed #372 Wide Review Comment 2017: default background colour<https://github.com/w3c/webvtt/issues/372>


 1 Issue created by 1 person

  *   Opened #428 Typo in "4.2.2. WebVTT caption or subtitle cue text" section<https://github.com/w3c/webvtt/issues/428>

2 Pull requests open

Agenda+ HDR in PNG [placeholder agenda item]

Links

We published this Note at https://www.w3.org/TR/png-hdr-pq/ (republished 25th July incorporating fix for typo)

Repo for PQ HDR in PNG: https://github.com/w3c/png-hdr-pq

Draft WG Note: https://w3c.github.io/png-hdr-pq/


Activity

None

Agenda+ AOB

References

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






----------------------------

http://www.bbc.co.uk

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 Wednesday, 28 February 2018 16:46:40 UTC

This archive was generated by hypermail 2.3.1 : Wednesday, 28 February 2018 16:46:42 UTC