TTWG Meeting 2019-05-09 #37
Description
Agenda
1. This meeting
2. WebVTT Implementation Report
3. TTML Live contribution
4. TTML2 and TTML3 Pull Requests
5. AOB – please notify of any other AOB now!
Time
15:00 - 16:00 (1 hour) UTC
Please be ready for a prompt start at 15:03am UTC time.
Our teleconference is scheduled with reference to UTC Time, the correct time of this teleconference in your locale may change.
Check https://www.timeanddate.com/worldclock/fixedtime.html?iso=20190509T15&p1=1440
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)
Future meetings and recent activity:
See the TTWG project board for upcoming meetings.
See individual agenda items for recent activity on specific products.
See the TTWG home page for links to repositories and recent activity.
Agenda+ This meeting
Assign Roles
Chairs: Nigel Megitt
Scribe: Cyril
Regrets: Philippe, Thierry, Gary, Glenn
Prioritise discussion for this meeting and look ahead
Check-point for order of topics and any other business.
WebVTT Implementation report
Implementation report: https://www.w3.org/wiki/TimedText/WebVTT_Implementation_Report
Web Platform Tests
Specification edits
PR to remove at-risk features: w3c/webvtt#453
Progress towards CR Exit Criteria?
TTML Live contribution
EBU has contributed their specifications for EBU-TT Live, which extend EBU-TT to add sequence processing semantics (and other features needed for the use case), and specify a carriage mechanism in WebSocket.
Proposal is to rebase these on TTML. Some design questions:
- TTML1 or TTML2? (the original work is based on TTML1, and no features of TTML2 seem to be needed)
- There is a lot of of explanatory text and worked examples in the original work: reproduce in a similar way or refactor into a brief normative specification and separate informative WG Notes?
TTML2 and TTML3
No issues or pull requests marked for agenda at this time.
Clarify relative profile designator does not use xml:base (#1033). w3c/ttml2#1054
This pull request has been open for a while - can we address the queries?
Character-related style properties should not apply to ruby containers. w3c/ttml2#1043
We ran out of time last week, can we complete the discussion?
Missing test for #region-timing w3c/ttml2#1073
This could lead to a wider discussion - assign agenda time for it in future meetings?
Agenda+ AOB
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