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

{agenda} TTWG Meeting 2018-03-08

From: Nigel Megitt <nigel.megitt@bbc.co.uk>
Date: Tue, 6 Mar 2018 18:05:24 +0000
To: "public-tt@w3.org" <public-tt@w3.org>
Message-ID: <D6C488DC.56BB6%nigel.megitt@bbc.co.uk>
This meeting is scheduled for up to 60m plus extra time for a joint meeting with i18n immediately following. 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=20180308T10&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)

Plus for one week only, one hour in to the meeting, at 1100, we will join i18n's meeting to discuss the remaining IMSC issue: https://www.w3.org/2017/09/i18n-meeting-info.html for joining details.

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

Agenda+ TTML1 Actions, Pull Requests and Issues

Actions – none in Tracker

Recent Activity


 3 Pull requests merged by 2 people
Merged #346 Reorder features in profile documents<https://github.com/w3c/ttml1/pull/346>
Merged #344 Wrap overflow example lines (#341)<https://github.com/w3c/ttml1/pull/344>
Merged #345 Apply TTML1 2ED errata<https://github.com/w3c/ttml1/pull/345>

 4 Issues closed by 2 people
Closed #203 The ordering of features in Appendix D differs from that in Appendix F.<https://github.com/w3c/ttml1/issues/203>
Closed #341 Hard-wrap overflow example<https://github.com/w3c/ttml1/issues/341>
Closed #191 Formula for dropNTSC time expressions is incorrect.<https://github.com/w3c/ttml1/issues/191>
Closed #226 Add errata items.<https://github.com/w3c/ttml1/issues/226>

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>


(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 #682 Add missing feature designations (#680).<https://github.com/w3c/ttml2/pull/682>

 1 Issue closed by 1 person
Closed #680 Missing feature designations in Table E-1.<https://github.com/w3c/ttml2/issues/680>

  *

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

 1 Pull request proposed by 1 person
Proposed #685 Fix pubrules errors and warnings (#684).<https://github.com/w3c/ttml2/pull/685>
     *
6 pull requests open for longer (all except #681 labelled as CR2):

Proposed #681 Fix typos (#678).<https://github.com/w3c/ttml2/pull/681>
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 3 people
Opened #688 Clarify #rubyAlign-withBase and #rubyAlign<https://github.com/w3c/ttml2/issues/688>
Opened #687 Refine #profile-version-2 feature designator<https://github.com/w3c/ttml2/issues/687>
Opened #686 Add "raise a GitHub issue on the repo" as a feedback mechanism<https://github.com/w3c/ttml2/issues/686>
Opened #684 Fix publication rule related errors and warnings.<https://github.com/w3c/ttml2/issues/684>

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/



 2 Releases published by 1 person
Published imsc1.0.1-PR-20180220
Published imsc1.0.1-PR-20180227

No pull requests merged.

 3 Issues closed by 1 person
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>


Pull Requests To Review (if discussion requested)


 5 Pull requests proposed by 2 people
Proposed #334 Fixed typo in color example<https://github.com/w3c/imsc/pull/334> imsc1.1<https://github.com/w3c/imsc/issues?q=is%3Apr+is%3Aopen+label%3Aimsc1.1>
Proposed #335 Clarify relationship with SMPTE-TT<https://github.com/w3c/imsc/pull/335> imsc1.1<https://github.com/w3c/imsc/issues?q=is%3Apr+is%3Aopen+label%3Aimsc1.1>
Proposed #336 Modify image profile example to use TTML <image><https://github.com/w3c/imsc/pull/336> imsc1.1<https://github.com/w3c/imsc/issues?q=is%3Apr+is%3Aopen+label%3Aimsc1.1>
Proposed #337 Specify only EBU-TT-D conformance to this spec<https://github.com/w3c/imsc/pull/337> imsc1.1<https://github.com/w3c/imsc/issues?q=is%3Apr+is%3Aopen+label%3Aimsc1.1>
Proposed #339 Point reader to Media Accessibility User Requirements<https://github.com/w3c/imsc/pull/339> horizontal-review<https://github.com/w3c/imsc/issues?q=is%3Apr+is%3Aopen+label%3Ahorizontal-review> imsc1.1<https://github.com/w3c/imsc/issues?q=is%3Apr+is%3Aopen+label%3Aimsc1.1>

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

 4 Issues created by 2 people
Opened #342 #fontKerning is erroneously permitted<https://github.com/w3c/imsc/issues/342>
Opened #341 Update feature list per TTML2 CR<https://github.com/w3c/imsc/issues/341>
Opened #340 Incorrect URL reference to EBU-TT-D 1.0<https://github.com/w3c/imsc/issues/340>
Opened #338 Invite @r12a to a meeting to discuss #236<https://github.com/w3c/imsc/issues/338>

1 issues labelled as agenda:

Should the character sets be minimum *font* requirements? <https://github.com/w3c/imsc/issues/236> agenda<https://github.com/w3c/imsc/issues?q=is%3Aopen+label%3Aagenda> i18n-comment<https://github.com/w3c/imsc/issues?q=is%3Aopen+label%3Ai18n-comment>

Join the internationalisation group to discuss this issue at 1600, joining details at https://www.w3.org/2017/09/i18n-meeting-info.html


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

 1 Pull request merged by 1 person

  *   Merged #410 Add a paragraph about the reasons why limiting styles.<https://github.com/w3c/webvtt/pull/410>

 1 Issue closed by 1 person

  *   Closed #373 Wide Review Comment 2017: future styling options mechanism<https://github.com/w3c/webvtt/issues/373>

 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






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