{agenda} TTWG Meeting 2018-04-26 from Nigel Megitt on 2018-04-24 (public-tt@w3.org from April 2018)

From: Nigel Megitt <nigel.megitt@bbc.co.uk>
Date: Tue, 24 Apr 2018 16:55:07 +0000
To: "public-tt@w3.org" <public-tt@w3.org>
Message-ID: <D7051B73.5A7D6%nigel.megitt@bbc.co.uk>
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=20180426T10&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: 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. TTWG Charter
2. TTML1 Actions, Pull Requests and Issues
3. TTML2 Actions, Pull Requests and Issues
4. IMSC Actions, Pull Requests and Issues
5. IMSC vNext requirements Actions, Pull Requests and Issues
6. CSS Actions Review
7. WebVTT (David Singer to Chair if present)
8. HDR in PNG (placeholder)
9. AOB – please notify of any other AOB now!


Reminder re future milestones and meetings:

May meetings:

Thursday 3rd May: TTWG meeting ? Hour(s)
Thursday 10th May: TTWG meeting ? Hour(s)
Thursday 17th May: TTWG meeting ? Hour(s)
Thursday 24th May: No TTWG meeting
Thursday 31st May: 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 7th June: TTWG meeting ? Hour(s)
Thursday 14th June: TTWG meeting ? Hour(s)
Thursday 21st June: TTWG meeting ? Hour(s)
Thursday 28th June: TTWG meeting ? Hour(s)

Agenda+ TTWG Charter

What is the current status, and what do we need to do next…

Draft charter issues: https://github.com/w3c/charter-timed-text/issues
Draft charter document: https://w3c.github.io/charter-timed-text/Draft-2018-TTWG-Charter.html

Since beginning AC review, 2 issues have been opened:

 2 Issues created by 2 people
Opened #28 Shorten horizontal review period<https://github.com/w3c/charter-timed-text/issues/28>
Opened #27 Revert Decision Policy?<https://github.com/w3c/charter-timed-text/issues/27>


Agenda+ TTML1 Actions, Pull Requests and Issues

Actions

None in Tracker

What needs to be done to complete the TTML1 3rd Ed 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).


 1 Pull request merged by 1 person
Merged #350 Fix bad links<https://github.com/w3c/ttml1/pull/350>


 1 Issue closed by 1 person
Closed #349 Incorrect links at #core feature<https://github.com/w3c/ttml1/issues/349>


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 #343 TTML1 3ED CR<https://github.com/w3c/ttml1/pull/343>

(presumably this can now be closed?)

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

No issues created.

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/

Agenda+ TTML2 Actions, Pull Requests and Issues

Actions

One upcoming action:

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     2018-04-26      TTML2<https://www.w3.org/AudioVideo/TT/tracker/products/4>



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

Recent Activity

No pull requests merged or issues closed.

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

 2 Pull requests proposed by 1 person
Proposed #714 Fix bad links, missing quotation delimiters (#713).<https://github.com/w3c/ttml2/pull/714>
Proposed #716 Change tts:luminanceGain to non-inheritable (#715).<https://github.com/w3c/ttml2/pull/716>


Plus 6 pull requests open for longer:


Proposed #705 Improve constraint/clarification semantics for animate element (#700).<https://github.com/w3c/ttml2/pull/705>
Proposed #707 Remove @style from animate and set (#703).<https://github.com/w3c/ttml2/pull/707>
Proposed #701 Fix schema typos and missing specification syntax for definition of '…<https://github.com/w3c/ttml2/pull/701>
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 #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

 1 Issue created by 1 person
Opened #715 Inheritance of tts:luminanceGain<https://github.com/w3c/ttml2/issues/715>


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

As per https://www.w3.org/2018/03/22-tt-minutes.html#resolution01 request transition of IMSC 1.1 to CR.


Recent Activity

IMSC 1.0.1 Rec has been published at https://www.w3.org/TR/2018/REC-ttml-imsc1.0.1-20180424/

 1 Pull request merged by 1 person
Merged #369 Document license set to W3C document license per WG resolution<https://github.com/w3c/imsc/pull/369>


No issues closed


Pull Requests To Review (if discussion requested)

No pull requests opened.

Plus 1 pull request open for longer:

Proposed #346 IMSC1.0.1-REC<https://github.com/w3c/imsc/pull/346> imsc1.0.1<https://github.com/w3c/imsc/issues?q=is%3Apr+is%3Aopen+label%3Aimsc1.0.1>
Since IMSC 1.0.1 Rec has been published, it's an Editor task to tag the repo as appropriate and then I think this pull request can be closed.


New (and old) Issues to Discuss

No issues opened.

No issues 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
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.
No issues closed.


Pull requests for review (to discuss if requested)

No pull requests proposed.

3 Pull requests open for longer than a week:

Proposed #21 Constrain tts:rubyReserve to 'auto'<https://github.com/w3c/imsc-vnext-reqs/pull/21>

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

No issues or pull requests currently marked for the agenda.

No new issues created. 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

(discussion deferred from last week) The following CSS issues were recently taken up by CSS WG and updated:

[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

 1 Pull request merged by 1 person
Merged #437 Clarify relationship between CR and CG report<https://github.com/w3c/webvtt/pull/437>

 1 Issue closed by 1 person
Closed #436 Clarify SOTD and abstract of proposed CR<https://github.com/w3c/webvtt/issues/436>

No pull requests opened.

5 pull requests open for longer than a week:

Proposed #430 Fontsize changes<https://github.com/w3c/webvtt/pull/430>
Proposed #433 Use the W3C SOFTWARE AND DOCUMENT NOTICE AND LICENSE<https://github.com/w3c/webvtt/pull/433>
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.

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
Received on Tuesday, 24 April 2018 16:55:36 UTC