Re: {agenda} TTWG Meeting 2017-12-07

Regrets for me.

On 06/12/2017 17:41, Nigel Megitt wrote:
> *This meeting is scheduled for up to 120m. 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=20171207T10&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: *Andreas, 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. Next Face to Face meeting
> 2. IMSC 1.1, TTML2, features, namespaces etc
> 3. TTML2 processor behaviour vs TTML1
> 4. TTML2 Wide & Horizontal Review
> 5. IMSC including vNext requirements Note publication proposal
> 6. TTML1 & TTML2 issues, actions, PRs, editorial actions etc
> 7. WebVTT feedback (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:
> 
> _December meetings:_
> _
> _
> Thursday 14th December: TTWG meeting ? Hour(s)
> Thursday 21st December: No meeting?
> Thursday 28th December: No meeting?
> 
> _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 4th January: TTWG meeting ? Hour(s)
> Week commencing 8th January: F2F meeting ?
> Thursday 18th January: TTWG meeting ? Hour(s)
> Thursday 25th January: TTWG meeting ? Hour(s)
> 
> *Agenda+ Next Face to Face meeting*
> *
> *
> Results of WBS survey: 
> https://www.w3.org/2002/09/wbs/34314/early2018ttwgf2fplanning/results
> 
> Can we confirm tentative 8-10 January 2018 dates and hosting?
> 
> *Agenda+ **IMSC 1.1, TTML2, features, namespaces etc*
> *
> *
> Continuing extensive discussion on the email reflector concerning 
> Netflix's objection to the proposals agreed at TPAC, to look for 
> solutions that are acceptable to all, by understanding members' concerns 
> better.
> 
> Netflix objection: 
> https://lists.w3.org/Archives/Public/public-tt/2017Nov/0107.html
> 
> Note also Cyril's work to analyse the actual practical differences – is 
> this complete? If it is, can we address the specifics to understand the 
> alignment/mis-alignment? Are there any resulting actions?
> 
> <https://docs..google.com/document/d/1Ri7RBBsbIK9SRxA1KsHRejXbYBuL4CRRrbmEZRbwZpg/edit?usp=sharing>https://docs.google.com/document/d/1Ri7RBBsbIK9SRxA1KsHRejXbYBuL4CRRrbmEZRbwZpg/edit?usp=sharing 
> 
> 
> *Agenda+ TTML2 processor behaviour vs TTML1*
> *
> *
> *Actions*
> ID  State  Title  Person  Due Date  Associated with
> ACTION-510 <https://www.w3.org/AudioVideo/TT/tracker/actions/510>(edit) 
> <https://www.w3.org/AudioVideo/TT/tracker/actions/510/edit>  pending 
> review  study TTT codebase and report on use of ttp:version to select 
> processor behavior 
> <https://www.w3.org/AudioVideo/TT/tracker/actions/510>  Glenn Adams 
> 2017-11-23  TTML2 <https://www.w3.org/AudioVideo/TT/tracker/products/4>
> 
> 
> *Agenda+ TTML2 Wide and Horizontal Review*
> 
> *Actions*
> ID  State  Title  Person  Due Date  Associated with
> ACTION-508 <https://www.w3.org/AudioVideo/TT/tracker/actions/508>(edit) 
> <https://www.w3.org/AudioVideo/TT/tracker/actions/508/edit>  open  Check 
> if there are editorial/substantive labels for ttml2 issues and add if 
> not. <https://www.w3.org/AudioVideo/TT/tracker/actions/508>  Thierry 
> Michel  2017-10-12  TTML2 
> <https://www.w3.org/AudioVideo/TT/tracker/products/4>
> 
> 
> Can the above action be closed?
> 
> Are there still open Internationalisation review issues?
> 
> *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+ IMSC (now incorporates Unicode ticket)*
> 
> *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>
> 
> 
> 
> *Links*
> *
> *
> 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
> 
> IMSC 1.1 FPWD: https://www.w3.org/TR/2017/WD-ttml-imsc1.1-20171017/
> 
> /PROPOSAL: /Publish IMSC v1.1 Requirements as a WG Note
> 
> Glenn provided some feedback, _to discuss_.
> 
> *Recent Activity*
> 
> *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:
> 
>     Clarify that tts:fillLineGap does not hide characters
>     <https://github.com/w3c/imsc/pull/283>
> 
> New or discussed IMSC issues:
> 
>     Should ittm:altText be deprecated?
>     <https://github.com/w3c/imsc/issues/274>
> 
> Closed IMSC issues: None
> 
> 
> Merged IMSC Tests pull requests: None
> 
> Open IMSC Tests pull requests:
> 
>     Adds test for linePadding w varying fontSize
>     <https://github.com/w3c/imsc-tests/pull/39>
> 
> New or discussed IMSC Tests issues: None
> 
> Closed IMSC Tests issues: None
> 
> Merged IMSCvNext Requirements pull requests: None
> 
> Open IMSCvNext Requirements pull requests:
> 
>     List features that are excluded from deprecation requirements
>     <https://github.com/w3c/imsc-vnext-reqs/pull/12>
> 
> New or discussed IMSCvNext Requirements issues: None
> 
> Closed IMSCvNext Requirements issues: None
> 
> *Agenda sub-topics (pull requests and issues)*
> *
> *
> Clarify that tts:fillLineGap does not hide characters 
> <https://github.com/w3c/imsc/pull/283>
> https://github.com/w3c/imsc/issues/259  (Deprecation of 
> smpte:backgroundImage in favor of tt:image)
> https://github.com/w3c/imsc-vnext-reqs/issues/13  (is tts:textShadow 
> required?)
> 
> IMSC issues *labelled for the agenda*: 
> https://github.com/w3c/imsc/labels/agenda
> IMSC issues *blocked*: https://github.com/w3c/imsc/labels/blocked
> 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+ TTML1 & TTML2 issues, actions, PRs, editorial actions etc*
> 
> *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>
> 
> 
> 
> *Links*
> *
> *
> Most recent WD published at https://www.w3.org/TR/2017/WD-ttml2-20170630/
> 
> *Recent Activity*
> 
> Merged TTML1 Pull Requests:
> 
>     Add travis build status icon <https://github.com/w3c/ttml1/pull/269>
> 
> Merged TTML2 Pull Requests: None
> Open TTML1 Pull Requests:
> 
>     Clarified application of tts:visibility to child elements
>     <https://github.com/w3c/ttml1/pull/270>
> 
>     Travis CO deployment <https://github.com/w3c/ttml1/pull/272>
> 
>     Fixed EOLs to LF under /spec <https://github.com/w3c/ttml1/pull/274>
> 
>     <set> elements no longer pruned by ISD
>     <https://github.com/w3c/ttml1/pull/276>
>     Clarified cell metrics semantics for tts:textOutline
>     <https://github.com/w3c/ttml1/pull/268>
>     Clarified tts:textDecoration inheritance
>     <https://github.com/w3c/ttml1/pull/267>
>     Clarify semantics in absence of begin attribute
>     <https://github.com/w3c/ttml1/pull/264>
>     Replaced ttp:frameRateMultipler with ttp:frameRateMultiplier
>     <https://github.com/w3c/ttml1/pull/263>
>     Clarify that the computed value of tts:lineHeight='normal' is
>     'normal' <https://github.com/w3c/ttml1/pull/260>
>     Clarify zIndex stacking context <https://github.com/w3c/ttml1/pull/259>
>     Clarified TAB character presentation semantics
>     <https://github.com/w3c/ttml1/pull/258>
>     Tweak examples of Section O <https://github.com/w3c/ttml1/pull/257>
>     Clarify #backgroundColor re: block, inline and region semantics
>     <https://github.com/w3c/ttml1/pull/256>
> 
> Open TTML2 Pull Requests:
> 
>     Issue 0406 style semantics <https://github.com/w3c/ttml2/pull/470>
> 
>     Fix gamma to 2.0 <https://github.com/w3c/ttml2/pull/497>
> 
>     Coalesce references to URI syntax into a new <uri> value expression
>     (… <https://github.com/w3c/ttml2/pull/488>
> 
>     Add clipBegin and clipEnd parameter attributes
>     <https://github.com/w3c/ttml2/pull/486>
> 
> New TTML1 Issues:
> 
>     Push to gh-pages with an ssh key
>     <https://github.com/w3c/ttml1/issues/271>
>     Some repo files have CRLF EOLs <https://github.com/w3c/ttml1/issues/273>
>     Chained Referential Styling spec vs example mismatch
>     <https://github.com/w3c/ttml1/issues/275>
> 
> New TTML2 Issues: None
> 
> Closed TTML1 Issues: None
> Closed TTML2 Issues: None
> 
> Discussed TTML1 Issues:
> 
>     Clarify the semantics of tts:fontSize="2em".
>     <https://github.com/w3c/ttml1/issues/214>
>     Clarify that the computed value of tts:lineHeight='normal' is
>     'normal' <https://github.com/w3c/ttml1/pull/260>
>     Clarified TAB character presentation semantics
>     <https://github.com/w3c/ttml1/pull/258>
> 
> Discussed TTML2 Issues:
> 
>     rubyPosition="auto" should mean "outside"?
>     <https://github.com/w3c/ttml2/issues/481>
>     Is ttp:version="2" required if ttp:contentProfiles is present?
>     <https://github.com/w3c/ttml2/issues/435>
>     Incorporate resolutions of additional TTML1 Issues.
>     <https://github.com/w3c/ttml2/issues/358>
>     Add parameters to define the temporal extent
>     <https://github.com/w3c/ttml2/issues/483>
> 
> 
> *Agenda sub-topics (pull requests and issues)*
> *
> *
> Clarify that the computed value of tts:lineHeight='normal' is 'normal' 
> <https://github.com/w3c/ttml1/pull/260>
> https://github.com/w3c/ttml1/issues/239  (tts:overflow does not apply to 
> the region area)
> *
> *
> Then remaining pull requests and issues.
> 
> TTML1 issues *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 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 <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*
> *
> *
> Open Pull requests:
> 
>     Add a "User agents that do not support CSS" conformance class.
>     <https://github.com/w3c/webvtt/pull/389>
> 
>     Add some explanatory text about the different types of VTT files.
>     <https://github.com/w3c/webvtt/pull/394>
> 
>     Region clarification issue376 <https://github.com/w3c/webvtt/pull/400>
> 
>     Add a paragraph about the reasons why limiting styles.
>     <https://github.com/w3c/webvtt/pull/410>
> 
>     Add some introductory paragraphs to the Data model section.
>     <https://github.com/w3c/webvtt/pull/409>
> 
> Merged Pull requests:
> 
>     Unsigned long issue414 <https://github.com/w3c/webvtt/pull/417>
> 
>     Break up section 6 a bit more to make it more readable.
>     <https://github.com/w3c/webvtt/pull/398>
> 
>     Add default color and background color names for applicable classes.
>     <https://github.com/w3c/webvtt/pull/395>
> 
> New issues:
> 
>     Data model definition of WebVTT cue
>     <https://github.com/w3c/webvtt/issues/416>
> 
> Closed issues:
> 
>     Wide Review Comment 2017: No style property list for ::cue-region
>     <https://github.com/w3c/webvtt/issues/374>
>     The VTTRegion.lines attribute is a long type but cannot accept
>     negative values <https://github.com/w3c/webvtt/issues/414>
>     Break down processing model in §6.1
>     <https://github.com/w3c/webvtt/issues/397>
>     Wide Review Comment 2017: Conformance Classes not complete
>     <https://github.com/w3c/webvtt/issues/361>
> 
> Recently discussed issues:
> 
>     Wide Review Comment 2017: position and size reference is video or
>     video viewport? <https://github.com/w3c/webvtt/issues/375>
> 
>     Wide Review Comment 2017: line cue setting direction
>     <https://github.com/w3c/webvtt/issues/382>
> 
>     Wide Review Comment 2017: default font size and line heights
>     <https://github.com/w3c/webvtt/issues/371>
> 
>     Wide Review Comment 2017: Algorithmic specification
>     <https://github.com/w3c/webvtt/issues/384>
> 
>     Wide Review Comment 2017: future styling options mechanism
>     <https://github.com/w3c/webvtt/issues/373>
> 
>     :future pseudo class unclear <https://github.com/w3c/webvtt/issues/406>
> 
>     Wide Review Comment 2017: Timestamp syntax
>     <https://github.com/w3c/webvtt/issues/370>
> 
>     Add some introductory paragraphs to the Data model section.
>     <https://github.com/w3c/webvtt/pull/409>
> 
>     Add a paragraph about the reasons why limiting styles.
>     <https://github.com/w3c/webvtt/pull/410>
> 
>     Unclear definition of time range
>     <https://github.com/w3c/webvtt/issues/415>
> 
>     Region clarification issue376 <https://github.com/w3c/webvtt/pull/400>
> 
>     Wide Review Comment 2017: default background colour
>     <https://github.com/w3c/webvtt/issues/372>
> 
> 
> *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*
> *
> *
> Merged pull requests: None
> 
> Open pull requests: None
> 
> New or discussed issues: None
> 
> Closed issues: None
> 
> 
> *Agenda+ AOB*
> 
> *References*
> 
> Wiki http://www.w3.org/wiki/TimedText
> 
> 

Received on Wednesday, 6 December 2017 18:50:13 UTC