W3C

- DRAFT -

Timed Text Working Group Teleconference

07 Jun 2012

Agenda

See also: IRC log

Attendees

Present
glenn, sean, +1.617.300.aaaa, mike, geoff
Regrets
Chair
sean
Scribe
glenn

Contents


<trackbot> Date: 07 June 2012

<scribe> ScribeNick: glenn

glenn: in reviewing CP2, noticed the filler semantics of 9.3.3 item 7, which may be technically problematic
... that is, if this is intended to fill out background of tt:p (for example), then may not have that effect
... since it applies to a new empty block, and not to the prior (presumably) tt:p block

<scribe> ACTION: glenn to investigate correctness of 9.3.3 (7) w.r.t. XSL-FO semantics, and report back to WG [recorded in http://www.w3.org/2012/06/07-tt-minutes.html#action01]

<trackbot> Created ACTION-69 - Investigate correctness of 9.3.3 (7) w.r.t. XSL-FO semantics, and report back to WG [on Glenn Adams - due 2012-06-14].

<scribe> ACTION: sean to create a new, separate issue for CP2 (extent/origin) [recorded in http://www.w3.org/2012/06/07-tt-minutes.html#action02]

<trackbot> Created ACTION-70 - Create a new, separate issue for CP2 (extent/origin) [on Sean Hayes - due 2012-06-14].

<scribe> ACTION: glenn to verify whether XSL-FO semantics of absolutely positioned block container is in relation to 'page' (i.e., root container in TTML terms) [recorded in http://www.w3.org/2012/06/07-tt-minutes.html#action03]

<trackbot> Created ACTION-71 - Verify whether XSL-FO semantics of absolutely positioned block container is in relation to 'page' (i.e., root container in TTML terms) [on Glenn Adams - due 2012-06-14].

mike: needs resolution on which license to use for TTML schemas

RESOLVE: that TTML schemas should be considered software, w.r.t. W3C licensing rules

mike: regarding profile language, need to make clear that out-of-band protocol or mechanism can be used to specify profile

<mike> If neitherttp:profileattribute norttp:profileelement is present in a TTML document instance, and if the document interchange context does not specify a profile, then the DFXP Transformation profile applies.

<mike> RTR: "��and if the document interchange context does not specify a profile document, or other equivalent set of feature designators,��

ISSUE: section 5.2 para 8 is vague regarding optionality of specifying profile in case where profile is negotiated/determined by 'document interchange process'

<trackbot> Created ISSUE-170 - Section 5.2 para 8 is vague regarding optionality of specifying profile in case where profile is negotiated/determined by 'document interchange process' ; please complete additional details at http://www.w3.org/AudioVideo/TT/tracker/issues/170/edit .

ISSUE-170: may also require adjustment of text for 3.3 claims regarding document claims

<trackbot> ISSUE-170 Section 5.2 para 8 is vague regarding optionality of specifying profile in case where profile is negotiated/determined by 'document interchange process' notes added

sean: smooth scrolling text

<Sean> The result of performing the processing described above will be a sequence of N intermediate synchronic document instances, DOCinter0… DOCinterN−1. Note: Where an implementation is able to detect significant similarity between two adjacent synchronic document instances, DOCinterN-1… DOCinterN; such as for example the removal of the top line of the content flowed into a region causing the appearance of scrolling, then the implementation should attempt to make

ACTION-68?

<trackbot> ACTION-68 -- Sean Hayes to work with mike to provide reference to 608/708 that defines/clarifies semantics of smooth flowing/scrolling -- due 2012-06-07 -- PENDINGREVIEW

<trackbot> http://www.w3.org/AudioVideo/TT/tracker/actions/68

http://lists.w3.org/Archives/Public/public-tt/2012May/0032.html

<Sean> then the implementation should attempt to make the transition between presenting the two instances as smooth as possible, e.g. following CEA-608-E, Section C.3

<scribe> ACTION: glenn to implement proosed changes from ACTION-68 into 9.3.2 of 1.0 2nd Ed. [recorded in http://www.w3.org/2012/06/07-tt-minutes.html#action04]

<trackbot> Created ACTION-72 - Implement proosed changes from ACTION-68 into 9.3.2 of 1.0 2nd Ed. [on Glenn Adams - due 2012-06-14].

mike: concerned about language "as smooth as possible" is pretty vague for implementors/testing/interoperability etc

<scribe> ACTION: geoff to investigate making examples from 15 Dec 2008 email available to W3C for direct reference in spec [recorded in http://www.w3.org/2012/06/07-tt-minutes.html#action05]

<trackbot> Sorry, couldn't find user - geoff

<scribe> ACTION: unassigned investigate making examples from 15 Dec 2008 email available to W3C for direct reference in spec [recorded in http://www.w3.org/2012/06/07-tt-minutes.html#action06]

<trackbot> Sorry, couldn't find user - unassigned

sean: in text suggested, 'as smooth as possible, e.g., ...'; replace with 'as smooth as possible, in the case of a single line scroll up, it should follow CEA-608...'

end of agenda

sean: meeting adjourned

trackbot, end meeting

Summary of Action Items

[NEW] ACTION: geoff to investigate making examples from 15 Dec 2008 email available to W3C for direct reference in spec [recorded in http://www.w3.org/2012/06/07-tt-minutes.html#action05]
[NEW] ACTION: glenn to implement proosed changes from ACTION-68 into 9.3.2 of 1.0 2nd Ed. [recorded in http://www.w3.org/2012/06/07-tt-minutes.html#action04]
[NEW] ACTION: glenn to investigate correctness of 9.3.3 (7) w.r.t. XSL-FO semantics, and report back to WG [recorded in http://www.w3.org/2012/06/07-tt-minutes.html#action01]
[NEW] ACTION: glenn to verify whether XSL-FO semantics of absolutely positioned block container is in relation to 'page' (i.e., root container in TTML terms) [recorded in http://www.w3.org/2012/06/07-tt-minutes.html#action03]
[NEW] ACTION: sean to create a new, separate issue for CP2 (extent/origin) [recorded in http://www.w3.org/2012/06/07-tt-minutes.html#action02]
[NEW] ACTION: unassigned investigate making examples from 15 Dec 2008 email available to W3C for direct reference in spec [recorded in http://www.w3.org/2012/06/07-tt-minutes.html#action06]
 
[End of minutes]

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