{agenda} TTWG Meeting 2018-06-28

This meeting is scheduled for up to 120 minutes.
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=20180628T10&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: Andreas

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 Actions, 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)
8. AOB – please notify of any other AOB now!


Reminder re future milestones and meetings:

July meetings:

Thursday 5th July: TTWG meeting 2 Hour(s)
Thursday 12th July: TTWG meeting 2 Hour(s)
Thursday 19th July: TTWG meeting 2 Hour(s)
Thursday 26th July: TTWG meeting 2 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 2nd August: TTWG meeting 2 Hour(s)
Thursday 9th August: TTWG meeting 2 Hour(s)
Thursday 16th August: TTWG meeting 2 Hour(s) - NM regrets
Thursday 23rd August: TTWG meeting 2 Hour(s) - NM regrets
Thursday 30th August: TTWG meeting 2 Hour(s) -

Next planned face to face: TPAC 2018 Lyon<https://www.w3.org/2018/10/TPAC/Overview.html>, 22-26 October.

Agenda+ TTML1 Actions, Pull Requests and Issues

Actions

None in Tracker

Next steps to complete the TTML1 3rd Ed implementation report?

https://www.w3.org/wiki/TTML1-3ED_implementation_report


Recent Activity

TTML1 3rd Edition CR was published on 24th April at https://www.w3.org/TR/2018/CR-ttml1-20180424/ (and pointed to by https://www.w3.org/TR/ttml1/ also).

No pull requests opened or issues closed.

Pull Requests To Review (if discussion requested)

No new pull requests opened


New (and old) Issues and Pull Requests to Discuss

One older pull request open:
Proposed #353 Move edition number to subtitle (#352)<https://github.com/w3c/ttml1/pull/353>

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

No issues or pull requests 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
Most recent TTML1 3rd Edition CR: https://www.w3.org/TR/2018/CR-ttml1-20180424/
TTML1 Tests repo: https://github.com/w3c/ttml1-tests

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     2018-06-15      TTML2<https://www.w3.org/AudioVideo/TT/tracker/products/4>

What needs to be done to complete the TTML2 implementation report?

https://www.w3.org/wiki/TTML/TTML2ImplementationReport

Request to create a ttml2-tests repository.

Recent Activity

Call for Consensus to request transition of TTML2 to CR2 issued: https://lists.w3.org/Archives/Public/public-tt/2018Jun/0083.html ends at the end of today – in the absence of any objections I will identify that we have consensus to request transition to CR2 first thing tomorrow morning UK time.

 14 Pull requests merged by 2 people
Merged #864 Add audio features to at risk list (#863).<https://github.com/w3c/ttml2/pull/864>
Merged #855 Fix permanent link redirects.<https://github.com/w3c/ttml2/pull/855>
Merged #831 Tweak dates, fix figure numbering, update changes document.<https://github.com/w3c/ttml2/pull/831>
Merged #854 Add #extent-length-version-2 feature (#853).<https://github.com/w3c/ttml2/pull/854>
Merged #849 Do not extend #extent-length in defining #extent-measure (#846).<https://github.com/w3c/ttml2/pull/849>
Merged #850 Refactor #base* features (#834).<https://github.com/w3c/ttml2/pull/850>
Merged #852 Clarify semantics of implied inline animation of the same style on re…<https://github.com/w3c/ttml2/pull/852>
Merged #851 Clarify that height term can mean horizontal axis in exceptional case…<https://github.com/w3c/ttml2/pull/851>
Merged #848 Add `#region-implied-animation` to the at risk list.<https://github.com/w3c/ttml2/pull/848>
Merged #845 Add #visibility-image, #visibility-version-2; clarify equivalence for…<https://github.com/w3c/ttml2/pull/845>
Merged #844 Add #xlink feature (#840).<https://github.com/w3c/ttml2/pull/844>
Merged #843 Refactor #textEmphasis* features to avoid negative definitions (#838,…<https://github.com/w3c/ttml2/pull/843>
Merged #842 Add feature extensions to standard profiles; minor fixes to #bidi*, #…<https://github.com/w3c/ttml2/pull/842>
Merged #836 Update requirements appendix M<https://github.com/w3c/ttml2/pull/836>

 15 Issues closed by 1 person
Closed #863 Add at risk features.<https://github.com/w3c/ttml2/issues/863>
Closed #853 Add `#extent-length-version-2`<https://github.com/w3c/ttml2/issues/853>
Closed #846 Make #extent-length and #extent-measure complementary.<https://github.com/w3c/ttml2/issues/846>
Closed #834 Profiles cannot permit xml:base on ttp:features while prohibiting xml:base elsewhere.<https://github.com/w3c/ttml2/issues/834>
Closed #820 Implied region animation ambiguity.<https://github.com/w3c/ttml2/issues/820>
Closed #830 Add clarifying note to definition of [height] term.<https://github.com/w3c/ttml2/issues/830>
Closed #797 Clarify text combination.<https://github.com/w3c/ttml2/issues/797>
Closed #847 Add `#region-implied-animation` to the at risk list<https://github.com/w3c/ttml2/issues/847>
Closed #839 Add #visibility-version-2, and note #visibility implied/equivalent features.<https://github.com/w3c/ttml2/issues/839>
Closed #840 Need #xlink feature.<https://github.com/w3c/ttml2/issues/840>
Closed #838 Typo at #textEmphasis-no-quoted-string.<https://github.com/w3c/ttml2/issues/838>
Closed #841 Rework #textEmphasis* features.<https://github.com/w3c/ttml2/issues/841>
Closed #379 Add feature restriction and extension qualifications.<https://github.com/w3c/ttml2/issues/379>
Closed #835 Review and update appendix M requirements <https://github.com/w3c/ttml2/issues/835>
Closed #837 The #extent feature implies #extent-auto.<https://github.com/w3c/ttml2/issues/837>


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

 1 Pull request proposed by 1 person
Proposed #856 Create CR2 publishing package.<https://github.com/w3c/ttml2/pull/856>

No pull requests open for longer.


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

 6 Issues created by 2 people
Opened #862 Update non-REC W3C references if required.<https://github.com/w3c/ttml2/issues/862>
Opened #861 Remove parenthetical referring to 'use' value of a feature specification.<https://github.com/w3c/ttml2/issues/861>
Opened #860 Clarify that construct effective {content,processor} profile is performed only once.<https://github.com/w3c/ttml2/issues/860>
Opened #859 Can line areas intersect with line stacking strategy "line height"?<https://github.com/w3c/ttml2/issues/859>
Opened #858 Does half-leading apply to a line-area?<https://github.com/w3c/ttml2/issues/858>
Opened #857 Replace "expanded-area" with "expanded-rectangle".<https://github.com/w3c/ttml2/issues/857>


There are currently no Issues or Pull requests currently marked as Agenda.

Links

Most recent CR published at https://www.w3.org/TR/2018/CR-ttml2-20180313/
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

No outstanding or overdue actions.

Recent Activity

 1 Pull request merged by 1 person
Merged #398 Improve accessibility of table colours<https://github.com/w3c/imsc/pull/398>

 1 Issue closed by 1 person
Closed #387 Missing #region-implied-animation<https://github.com/w3c/imsc/issues/387>


Pull Requests To Review (if discussion requested)

No pull requests opened.

One pull request open for more than a week:

Proposed #379 General update<https://github.com/w3c/imsc/pull/379>


New (and old) Issues to Discuss

No issues created this week.

No issues or pull requests currently labelled as agenda.

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 Rec published at https://www.w3.org/TR/2018/REC-ttml-imsc1.0.1-20180424/
IMSC 1 Rec available at https://www.w3.org/TR/2016/REC-ttml-imsc1-20160421/ - we have resolved to supersede this in favour of 1.0.1
IMSC 1.1 CR published at https://www.w3.org/TR/2018/CR-ttml-imsc1.1-20180503/
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

No pull requests merged or issues closed.

Pull requests for review (to discuss if requested)

 3 Pull requests proposed by 1 person
Proposed #26 Remove tts:fontShear and consider support for tts:shear and/or tts:lineShear<https://github.com/w3c/imsc-vnext-reqs/pull/26>
Proposed #29 Exclude support for blurred tts:textShadow<https://github.com/w3c/imsc-vnext-reqs/pull/29>
Proposed #31 Add support for 'before' and 'after' to #rubyPosition and relax #rubyReserve and #textEmphasis-minimal<https://github.com/w3c/imsc-vnext-reqs/pull/31>


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

No issues or pull requests currently marked for the agenda.

 1 Issue created by 1 person
Opened #33 Consider adding requirement for support for rw and rh units<https://github.com/w3c/imsc-vnext-reqs/issues/33>

No issues marked for the agenda at this time.

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

There is 1 upcoming action.

ID      State   Title   Person  Due Date        Associated with
ACTION-512<https://www.w3.org/AudioVideo/TT/tracker/actions/512>[(edit)]<https://www.w3.org/AudioVideo/TT/tracker/actions/512/edit>     open    Raise an issue with css wg requesting support for lineshear<https://www.w3.org/AudioVideo/TT/tracker/actions/512>       Pierre-Anthony Lemieux  2018-06-21      TTML IMSC 1.1<https://www.w3.org/AudioVideo/TT/tracker/products/13>

For reference, we have the following CSS issues open:

[css-sizing][css-align][css-text] Aligning an aligned block of text within its container <https://github.com/w3c/csswg-drafts/issues/1975> TTML<https://github.com/w3c/csswg-drafts/issues?q=is%3Aissue+is%3Aopen+ttml+label%3ATTML>css-align-4<https://github.com/w3c/csswg-drafts/issues?q=is%3Aissue+is%3Aopen+ttml+label%3Acss-align-4> css-sizing-4<https://github.com/w3c/csswg-drafts/issues?q=is%3Aissue+is%3Aopen+ttml+label%3Acss-sizing-4> css-text-4<https://github.com/w3c/csswg-drafts/issues?q=is%3Aissue+is%3Aopen+ttml+label%3Acss-text-4>
[css-inline] Allow background of an inline area to extend to before-and after-edges of the line area <https://github.com/w3c/csswg-drafts/issues/1974> TTML<https://github.com/w3c/csswg-drafts/issues?q=is%3Aissue+is%3Aopen+ttml+label%3ATTML> css-inline-3<https://github.com/w3c/csswg-drafts/issues?q=is%3Aissue+is%3Aopen+ttml+label%3Acss-inline-3>
[css-inline][css-text-4] Allow padding to be applied at line start and end <https://github.com/w3c/csswg-drafts/issues/1973> TTML<https://github.com/w3c/csswg-drafts/issues?q=is%3Aissue+is%3Aopen+ttml+label%3ATTML> css-inline-3<https://github.com/w3c/csswg-drafts/issues?q=is%3Aissue+is%3Aopen+ttml+label%3Acss-inline-3>css-text-4<https://github.com/w3c/csswg-drafts/issues?q=is%3Aissue+is%3Aopen+ttml+label%3Acss-text-4>

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

Actions

None in tracker

Links

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

Activity

No pull requests merged this week.


5 pull requests open for longer than a week:

Proposed #439 Fix some links from the linkchecker and the broken process document link<https://github.com/w3c/webvtt/pull/439>
Proposed #430 Fontsize changes<https://github.com/w3c/webvtt/pull/430>
Proposed #434 Add a definition of "video viewport" and how it relates in HTML5 to object size resolution.<https://github.com/w3c/webvtt/pull/434>
Proposed #438 Update CLA and License agreement<https://github.com/w3c/webvtt/pull/438>
Proposed #419Timeranges <https://github.com/w3c/webvtt/pull/419>

No issues created or closed this week.


Agenda+ AOB

References

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





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