Re: WebVTT updates

That helps.  Thanks.

On Wed, Mar 20, 2019 at 11:04 AM Gary Katsevman <me@gkatsev.com> wrote:

> Hi David,
>
> Should've have explained in more detail.
> The tests are all in the Web Platform Tests repository, in the webvtt
> subdirectory [1].
> The rows with names like bidi_ruby.html [2] match the files in that
> repository and are the tests themselves; there are also references that are
> suffixed with -ref.html [3].
> The test WebVTT files are in the support folders, often with matching
> names like bidi_ruby.vtt [4].
>
> Gary.
>
> [1] https://github.com/web-platform-tests/wpt/tree/master/webvtt
> [2]
> https://github.com/web-platform-tests/wpt/blob/master/webvtt/rendering/cues-with-video/processing-model/bidi/bidi_ruby.html
> [3]
> https://github.com/web-platform-tests/wpt/blob/master/webvtt/rendering/cues-with-video/processing-model/bidi/bidi_ruby-ref.html
> [4]
> https://github.com/web-platform-tests/wpt/blob/master/webvtt/rendering/cues-with-video/processing-model/support/bidi_ruby.vtt
>
> On Wed, Mar 20, 2019 at 12:30 PM David Ronca <dronca@netflix.com> wrote:
>
>> The spreadsheet just says 'bidi_ruby.html' with no further details.
>> Where can I find the details of the rendering test vectors?
>>
>> Thanks,
>> David
>>
>> On Fri, Mar 8, 2019 at 8:02 PM Silvia Pfeiffer <silviapfeiffer1@gmail.com>
>> wrote:
>>
>>> Hi David,
>>>
>>> The spreadsheet [4] that Gary attached had all the answers about
>>> implementations.
>>> With the Japanese requirements, WebVTT relies on the browser support of
>>> those features.
>>>
>>> Hope this helps.
>>>
>>> Cheers,
>>> Silvia.
>>>
>>> On Fri., 8 Mar. 2019, 9:14 am David Ronca, <dronca@netflix.com> wrote:
>>>
>>>> Gary,
>>>>
>>>> We are interested in understanding where WebVTT is in terms of global
>>>> subtitle support, so that we can determine our WebVTT roadmap.  Is there a
>>>> WebVTT implementation that supports the essential Japanese Subtitle
>>>> Features (as listed below) that we can work with?
>>>>
>>>> Essential Features
>>>> ● Vertical text
>>>> ● Ruby annotations
>>>> ● Side marks (‘bou-ten’)
>>>> ● Horizontal-in-vertical (tate chu yoko)
>>>> ● Side lines (‘bou-sen’)
>>>> ● Oblique (Slanted) (‘nana-me’)
>>>>
>>>>
>>>> Thanks,
>>>> David
>>>>
>>>> On Wed, Mar 6, 2019 at 8:32 AM Gary Katsevman <me@gkatsev.com> wrote:
>>>>
>>>>> Hello everyone,
>>>>>
>>>>> I wanted to send out an update regarding WebVTT and to start the ball
>>>>> rolling on the next steps.
>>>>>
>>>>> This week I was at FOMS and was speaking with Crunchyroll and they are
>>>>> investing heavily in WebVTT, which I thought was very cool and wanted to
>>>>> share.
>>>>>
>>>>> I've made a pull request[1] against the WebVTT repo to mark the
>>>>> following as at risk:
>>>>> - collision avoidance with snap-to-lines false,
>>>>> - ::cue-region pseudo-element
>>>>> - :past and :future pseudo-classes
>>>>>
>>>>> STYLE blocks are not marked as at risk because I have a prototype[2]
>>>>> that will be fully implemented by the time the 28-day wait period of
>>>>> updating the CR has finished.
>>>>>
>>>>> I have also made a branch[3] with test removals to match the at-risk
>>>>> features. With the test removals of the at-risk features, there is only one
>>>>> test that fails (see the rendering 2/27/19 sheet on the WebVTT web platform
>>>>> tests spreadsheet[4]). This one test is because browsers have not yet
>>>>> implemented `text-wrap: balance`[5] and the WebVTT defines that cues should
>>>>> have that property set.
>>>>>
>>>>> I think we should proceed with marking the above features as at-risk,
>>>>> then working on a new draft that removes the text to get it moved to PR.
>>>>> Afterwards, we can create a new Draft or even CR with the at-risk features
>>>>> put back in and work towards a new version of WebVTT.
>>>>>
>>>>> Thanks,
>>>>> Gary.
>>>>>
>>>>> [1]: https://github.com/w3c/webvtt/pull/449
>>>>> [2]: https://github.com/videojs/vtt.js/pull/35
>>>>> [3]:
>>>>> https://github.com/web-platform-tests/wpt/compare/master...gkatsev:webvtt-at-risk?expand=1
>>>>> [4]:
>>>>> https://docs.google.com/spreadsheets/d/e/2PACX-1vSHzJtwi_2ijdV7hRUH0Fe8qZeSwMaCLErK7w7U_IFzhzNmW9YwPRWrER1eHR9-4Eo0kqyXJ4G35b1b/pubhtml
>>>>> [5]: https://www.w3.org/TR/css-text-4/#valdef-text-wrap-balance
>>>>>
>>>>