{agenda} TTWG Meeting 2018-07-12

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=20180712T10&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: Cyril, Glenn

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 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

ID      State   Title   Person  Due Date        Associated with
ACTION-513<https://www.w3.org/AudioVideo/TT/tracker/actions/513>[(edit)]<https://www.w3.org/AudioVideo/TT/tracker/actions/513/edit>     open    Look at ttml2 backporting to ttml1 3rd ed to see if we can change the ref from ttml2 to point to 3rd ed.<https://www.w3.org/AudioVideo/TT/tracker/actions/513>  Pierre-Anthony Lemieux  2018-07-05

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

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


Proposal to publish TTML1 CR2 to reduce delta to TTML2, depending on publication timelines – action on Nigel to talk to Philippe.

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 #358 Move to ED<https://github.com/w3c/ttml1/pull/358>


Pull Requests To Review (if discussion requested)

 3 Pull requests proposed by 1 person
Proposed #355 Update tts:lineHeight='normal' algorithm to match TTML2<https://github.com/w3c/ttml1/pull/355>
Proposed #356 Clarify the default value of blur radius for tts:textOutline<https://github.com/w3c/ttml1/pull/356>
Proposed #357 TTML1 3ED CR2<https://github.com/w3c/ttml1/pull/357>


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.)

 1 Issue created by 1 person
Opened #354 Computed value of tts:lineHeight="normal" should match TTML2 CR2<https://github.com/w3c/ttml1/issues/354>

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     2018-07-05      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

 2 Pull requests merged by 1 person
Merged #880 Clarify 'any attribute' language (#879).<https://github.com/w3c/ttml2/pull/880> 3 days ago
Merged #875 Add tts:display 'inlineBlock' value to schemas; update rnc schemas to…<https://github.com/w3c/ttml2/pull/875>

 4 Issues closed by 2 people
Closed #883 Add #opacity-image feature.<https://github.com/w3c/ttml2/issues/883>
Closed #879 Clarify information sets cardinality of attributes.<https://github.com/w3c/ttml2/issues/879>
Closed #460 SMPTE backgroundImage annotation.<https://github.com/w3c/ttml2/issues/460>
Closed #874 Schemas are missing tts:display 'inlineBlock' value.<https://github.com/w3c/ttml2/issues/874>


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

No pull requests opened.

2 pull requests open for longer than 1 week:

Proposed #866 Fix typo (#857).<https://github.com/w3c/ttml2/pull/866>
Proposed #867 Clarify constancy of ECP and EPP (#860).<https://github.com/w3c/ttml2/pull/867>



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


 3 Issues created by 3 people
Opened #884 Change TTML1 normative reference to TTML1 3ED.<https://github.com/w3c/ttml2/issues/884>
Opened #882 Two text containers with same tts:rubyPosition (not "outside").<https://github.com/w3c/ttml2/issues/882>
Opened #881 Unicode bidi should probably not be animatable.<https://github.com/w3c/ttml2/issues/881>


There is currently one Issue or Pull request currently marked as Agenda:

Clarify that construct effective {content,processor} profile is performed only once. <https://github.com/w3c/ttml2/issues/860> agenda<https://github.com/w3c/ttml2/issues?q=is%3Aopen+label%3Aagenda>editorial<https://github.com/w3c/ttml2/issues?q=is%3Aopen+label%3Aeditorial> pr open<https://github.com/w3c/ttml2/issues?q=is%3Aopen+label%3A%22pr+open%22>

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

None in tracker (see CSS actions below though)

Recent Activity

IMSC 1 Superseded and IMSC 1 links now fixed to resolve the circular link problem.

We are part way through a Call for Consensus to publish IMSC 1.1 as CR2: https://lists.w3.org/Archives/Public/public-tt/2018Jun/0236.html


The call for consensus ends on Friday 13th July.

 1 Pull request merged by 1 person
Merged #416 Address pub checker issues<https://github.com/w3c/imsc/pull/416>


No issues closed.


Pull Requests To Review (if discussion requested)


Three pull requests open for more than a week:

Proposed #415 IMSC 1.1 CR2<https://github.com/w3c/imsc/pull/415>
Proposed #417 Address draft CR2 comments<https://github.com/w3c/imsc/pull/417>
Proposed #379 General update<https://github.com/w3c/imsc/pull/379>


New (and old) Issues to Discuss

 1 Issue created by 1 person
Opened #418 tts:origin/tts:position constraint applies to Text profile only<https://github.com/w3c/imsc/issues/418>


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)

One pull request open for longer than a week.

Proposed #35 Add support for #length-root-container-relative to Text Profile<https://github.com/w3c/imsc-vnext-reqs/pull/35>

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

No issues or pull requests currently marked for the agenda.

No issues created this week.

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  2018-07-05      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>

Additionally the following CSS issues may be of interest:

[css-fonts-4] oblique angle for synthesis in vertical text <https://github.com/w3c/csswg-drafts/issues/2869>  css-fonts-4<https://github.com/w3c/csswg-drafts/issues?q=is%3Aopen+label%3Acss-fonts-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

Text Tracks community group announcement of a new WebVTT Editor, Gary Katsevman from Brightcove: https://lists.w3.org/Archives/Public/public-texttracks/2018Jul/0000.html


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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Received on Wednesday, 11 July 2018 16:19:04 UTC