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Re: {agenda} TTWG Meeting 2017-10-05

From: Nigel Megitt <nigel.megitt@bbc.co.uk>
Date: Thu, 5 Oct 2017 16:02:20 +0000
To: Pierre-Anthony Lemieux <pal@sandflow.com>
CC: Timed Text Working Group <public-tt@w3.org>
Message-ID: <D5FC15F8.4AF7B%nigel.megitt@bbc.co.uk>
Thank you Pierre,

We covered many of these, but need to come back to smpte:backgroundImage
in a future meeting.

Kind regards,

Nigel

On 03/10/2017, 18:20, "Pierre-Anthony Lemieux" <pal@sandflow.com> wrote:

>Hi Nigel,
>
>Below are a couple of IMSCvNEXT-related topics:
>
>- FPWD of IMSCvNEXT
>- liaison to external organizations re: IMSCvNEXT
>- questions raised by Mike Dolan
>(https://lists.w3.org/Archives/Public/public-tt/2017Oct/0023.html)
>    - deprecation of IMSC1 features such as smpte:backgoundImage
>    - replacing references from TTML1 to TTML2
>
>Best,
>
>-- Pierre
>
>On Tue, Oct 3, 2017 at 10:13 AM, Nigel Megitt <nigel.megitt@bbc.co.uk>
>wrote:
>> This meeting is scheduled for up to 120m. Please be ready for a prompt
>>start
>> at 10:03am Boston time.
>>
>> We have a lot to cover, including IMSCvNext requirements, TTML2 wide
>>review
>> comments and WebVTT wide review comments so we are likely to use the
>>whole 2
>> hours.
>>
>> 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=20171005T10&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: 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. TPAC advanced planning
>> 2. TTML2 Wide & Horizontal Review
>> 3. IMSC including vNext requirements
>> 4. TTML issue assignment and progress tracking
>> 5. TTML1 & TTML2 issues, actions, PRs, editorial actions etc
>> 6. WebVTT feedback (David Singer to Chair if present)
>> 7. HDR in PNG (placeholder)
>> 8. Progress on HTMLCue proposal (placeholder)
>> 9. AOB ­ please notify of any other AOB now!
>>
>>
>>
>> Reminder re future milestones and meetings:
>>
>> October meetings:
>>
>> Thursday 12th October: TTWG phone meeting 2 Hour(s)
>> Thursday 19th October: TTWG phone meeting ? Hour(s)
>> Thursday 26th October: TTWG phone 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_IMSC
>>2_work
>>
>> Further ahead:
>>
>> Thursday 2nd November TTWG phone meeting 2 Hours (finalise TPAC agenda)
>> Thursday 9th November: TTWG Face to Face meeting at TPAC
>> Friday 10th November: TTWG Face to Face meeting at TPAC
>> Thursday 16th November: TTWG phone meeting ? Hour(s)
>> Thursday 23rd November: TTWG phone meeting ? Hour(s)
>> Thursday 30th November: TTWG phone meeting ? Hour(s)
>>
>> Agenda+ TPAC 2017 Advanced planning
>>
>> Please be ready to discuss TPAC scheduling of agenda items
>>
>> W3C TPAC 2017 event page: https://www.w3.org/2017/11/TPAC/Overview.html
>> TTWG TPAC2017 wiki page: https://www.w3.org/wiki/TimedText/tpac2017
>>
>> I have requested a Polycom phone and flipchart.
>>
>> We will jointly meet the Web & TV IG on the Monday, and have invited
>>CSS WG
>> to attend our meeting on the Friday, times to be confirmed.
>>
>> Agenda+ TTML2 Wide and Horizontal Review
>>
>> All TTML2 Wide Review comments are now on the TTML2 GitHub repository
>>with
>> links to the comment emails, and are labelled appropriately. Thank you
>> Thierry!
>>
>> ID State Title Person Due Date Associated with
>> ACTION-506 open Draft a wiki page explaining our review and disposition
>> steps and labels Thierry Michel 2017-09-21
>>
>> Collate list of the issues we want to open with CSS WG
>>
>> 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
>> The CSS WG has been invited to meet us at TPAC on the Friday.
>> We also need to explain what the use case is for the features, rather
>>than
>> just each styling feature itself.
>>
>> TAG design review issue:
>>https://github.com/w3ctag/design-reviews/issues/138
>>
>> CSS Review of TTML2, threads: FW: TTML2 horizontal review with CSS and
>>Fwd:
>> Subtitle/caption styling + TTML + CSS
>>
>> Internationalisation review by r12a has generated several issues on
>>TTML2
>> and comments on existing issues (see below), this week mainly about
>> alignment with relatively recent CSS developments.
>>
>> CSS 2.2 request for reviews from TTWG et al: Pre-announcement of CR for
>>CSS
>> 2.2 & request for reviews When can we schedule a review and gather
>>feedback?
>>
>>
>> Agenda+ IMSC (now incorporates Unicode ticket)
>>
>> ID State Title Person Due Date Associated with
>> ACTION-507 open Add imsc vnext repo to agenda, board, github-bot etc
>>Nigel
>> Megitt 2017-10-05
>>
>> IMSC Tests released as v1.0.0 at
>> https://github.com/w3c/imsc-tests/releases/tag/v1.0.0 .
>>
>> IMSC 1.0.1
>> IMSC 1.0.1 CR published at
>> https://www.w3.org/TR/2017/CR-ttml-imsc1.0.1-20170713/
>> IMSC 1.0.1 Implementation report at
>> https://www.w3.org/wiki/TimedText/IMSC1_0_1_Implementation_Report
>> 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
>>
>> Editor's draft is directly viewable at
>> http://w3c.github.io/imsc/imsc1/spec/ttml-ww-profiles.html
>> IMSC Implementation Page:
>> https://www.w3.org/wiki/TimedText/IMSC1_implementation_page.
>> IMSC Tests repository: https://github.com/w3c/imsc-tests
>>
>> vNext Requirements
>>
>> IMSCvNext Requirements editor's draft:
>> https://w3c.github.io/imsc-vnext-reqs/
>> IMSCvNext Requirements repository:
>>https://github.com/w3c/imsc-vnext-reqs
>>
>> 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
>>
>> Merged IMSC pull requests: None
>>
>> Open IMSC pull requests: None
>>
>> New or discussed IMSC issues: None
>>
>> Closed IMSC issues: None
>>
>> Merged IMSC Tests pull requests: None
>>
>> Open IMSC Tests pull requests: None
>>
>> New or discussed IMSC Tests issues: None
>>
>> Closed IMSC Tests issues: None
>>
>> Merged IMSCvNext pull requests: None
>>
>> Open IMSCvNext pull requests: None
>>
>> New or discussed IMSCvNext issues:
>>
>> Is #textEmphasis necessary, or is #textEmphasis-minimal sufficient?
>> Is #ruby necessary, or #ruby-non-nested sufficient?
>>
>> Closed IMSCvNext issues: None
>>
>> Agenda+ TTML issue assignment and progress tracking (20 minutes maximum)
>>
>> We have now published the WD for WR however there are still many issues
>> open, and we intend also to apply multiple fixes as already agreed for
>> TTML1.
>>
>> At the moment of writing this agenda, there are:
>>
>> TTML1 issues:
>>
>> 3 open issues with no milestone, none marked as discussed and agreed
>> 37 open issues in "3rd Ed" milestone, 15 marked as discussed and agreed
>> 11 open issues in "3rd Ed Test Suite" milestone, none marked as
>>discussed
>> and agreed
>>
>> TTML2 issues:
>>
>> 2 open issues on the Editor's CR Work List milestone, none of which has
>>a PR
>> and both of which are horizontal review comments marked WR-pending;
>> 101 open issues with no milestone, none of which has a PR open label.
>>
>>
>> Agenda+ TTML1 & TTML2 issues, actions, PRs, editorial actions etc
>>
>> Actions:
>> ID State Title Person Due Date Associated with
>> ACTION-443 open Prepare a document showing mapping arib ruby extension
>> features to ttml2 for use as a liaison document to arib. Glenn Adams
>> 2016-08-26 TTML2
>> ACTION-462 open Create issue on ttml2 to add "mapping from other
>>versions
>> and profiles of ttml" Glenn Adams 2016-04-28 TTML2
>>
>> Most recent WD published at
>>https://www.w3.org/TR/2017/WD-ttml2-20170630/
>>
>> Merged TTML1 Pull Requests: None
>>
>> Merged TTML2 Pull Requests: None
>> Open TTML1 Pull Requests: None
>>
>> Open TTML2 Pull Requests: None
>> New TTML1 Issues: None
>>
>> New TTML2 Issues:
>>
>> Definition of ttp:activeArea does not match ittp:activeArea defined in
>> IMSC1.0.1.
>> Definition of tts:fillLineGap does not match itts:fillLineGap as
>>specified
>> in IMSC 1.0.1.
>> Feature #textOutline should be specified as a union of
>>#textOutline-blurred
>> and #textOutline-unblurred.
>> Feature #writingMode should be specified as the union of
>> #writingMode-vertical and #writingMode-horizontal.
>> Content Profile Semantics (5.2.4.2) refers to
>> ttp:contentProfiles="any(...)".
>> Definition of [construct effective content profile] does not take into
>> account `ttp:profile` attribute value.
>> Specification of ttp:contentProfileCombination does not specify an
>> initial/default value.
>> Is ttp:version="2" required if ttp:contentProfiles is present?
>> Definition of [external data resource] does not include src attribute on
>> image element.
>> Change summary not up to date.
>> Duplicated text for attributes in TT Style Namespace.
>> Foreign namespace elements not reflected in syntax.
>> Condition attribute missing in Core catalog.
>> Clarify use of whitespace in style attribute values.
>> Make backward compatibility normative.
>> Support for roll-up and paint-on captions.
>>
>> Change styling to use CSS.
>>
>> [ttml2] TTML2 wide review comment: styling
>>
>> 3GPP review of TTML2
>>
>> ITU-T Group 16 IPTV r review of TTML2
>>
>> CTA r review of TTML2
>>
>> DASH-IF review of TTML2
>>
>> ISO JTC1/SC 29 review of TTML2
>>
>> ARIB review of TTML2
>>
>> SMPTE response as TTML2 review
>>
>> Closed TTML1 Issues:
>>
>> Unspecified font size can't fit a region extent if it's specified in
>>pixels
>>
>> Closed TTML2 Issues:
>>
>> Review by APA WG.
>>
>> Discussed TTML1 Issues: None
>> Discussed TTML2 Issues:
>>
>> Privacy review umbrella issue
>>
>>
>> Focus topic(s) for this week
>>
>> Issues
>>
>> Iterate through open issues with no PR ­ decide action to take on each,
>>e.g.
>> defer to CR, defer to TTML.next, close etc.
>>
>> If there are any issues that we decide need to be resolved before WR a
>> proposal for the fix is needed ASAP (basically, it's too late already
>>unless
>> it can easily be agreed by the group).
>>
>>
>> Current open issues: https://github.com/w3c/ttml1/issues and
>> 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+ WebVTT review feedback
>>
>> ID State Title Person Due Date Associated with
>> ACTION-396 open Produce evidence of request for wide review for webvtt,
>>for
>> the archive David Singer 2015-04-17 WebVTT 1.0
>> ACTION-502 open Explain to david that we need a more consistent
>>disposition
>> of comments for webvtt. Thierry Michel 2017-08-10 WebVTT 1.0
>>
>>
>> Discussion on WebVTT review feedback and next steps.
>>
>> What are the WG's views on the dispositions generated by the CG?
>>
>> Resolve to publish a new WD? (not strictly necessary)
>>
>> WebVTT Wide review wiki page: https://www.w3.org/wiki/WebVTT_Wide_Review
>>
>> Open Pull requests:
>>
>> Fix #270: Add classes to specify text color
>>
>> Clarify the "WebVTT cue settings list" definition.
>>
>> Add a "User agents that do not support CSS" conformance class.
>>
>> Move definition of chapter title text
>>
>> Merged Pull requests:
>>
>> Update editor
>> Add Silvia as editor
>>
>> New issues:
>>
>> Wide Review Comment 2017: serialisation and parsing
>> Wide Review Comment 2017: Content signalling
>> Wide Review Comment 2017: Timing
>> Wide Review Comment 2017: Timestamp syntax
>> Wide Review Comment 2017: default font size and line heights
>> Wide Review Comment 2017: default background colour
>> Wide Review Comment 2017: future styling options mechanism
>> Wide Review Comment 2017: No style property list for ::cue-region
>> Wide Review Comment 2017: position and size reference is video or video
>> viewport?
>> Wide Review Comment 2017: positioning with cue box vs region
>> Wide Review Comment 2017: Positioning - are region height and width
>>used?
>> Wide Review Comment 2017: Use of lines as positioning constructs
>> Wide Review Comment 2017: unspecified edge margins make accurate
>>positioning
>> impossible
>> Wide Review Comment 2017: Metadata delimiters
>> Wide Review Comment 2017: hard to understand because of terminology
>> Wide Review Comment 2017: line cue setting direction
>> Wide Review Comment 2017: positioning model
>> Wide Review Comment 2017: Algorithmic specification
>> Wide Review Comment 2017: formatting issues
>> Change alt text for region diagram
>>
>> Closed issues: None
>>
>> Recently discussed issues:
>>
>> Wide Review Comment 2017: Text color must be mandatory
>> Wide Review Comment 2017: Chapter location for defining WebVTT chapter
>>title
>> text
>> Need tests for :cue-region(id) pseudo-class
>> Wide Review Comment 2017: Conformance Classes not complete
>> Wide Review Comment 2017: Term "WebVTT cue settings list" defined twice
>> Wide Review Comment 2017: Term definition with empty content
>> Wide Review Comment 2017: Distinction between cue payload types
>>
>>
>> Agenda+ HDR in PNG [placeholder agenda item]
>>
>> 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/
>>
>> Merged pull requests: None
>>
>> Open pull requests: None
>>
>> New or discussed issues: None
>>
>> Closed issues: None
>>
>> Agenda+ HTMLCue proposal progress update. [placeholder agenda item]
>>
>>
>> ID State Title Person Due Date Associated with
>> ACTION-441 open Kick off the analysis work on the vttcue carrying html
>>idea.
>> Andreas Tai 2015-11-05
>>
>> See https://lists.w3.org/Archives/Public/public-tt/2016Apr/0012.html for
>> further information on this, this week.
>>
>> Also HTML import and HTMLCue? email from 2016-09-06.
>>
>> See also the notes from the TAG meeting (see agenda item above) at
>>which the
>> inability to instantiate TextTrackCue objects in most browsers was
>> mentioned.
>>
>>
>>
>> Agenda+ AOB
>>
>> References
>>
>> Wiki http://www.w3.org/wiki/TimedText
>>
>>
>>
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Received on Thursday, 5 October 2017 16:02:49 UTC

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