Re: mapping between TTML and WebVTT

On Tue, Jun 24, 2014 at 1:54 PM, Thierry MICHEL <tmichel@w3.org> wrote:

> Glenn,
>
> I know you are currently working on a TTML2  mapping to CSS/HTML5.
>
> But I had also understood that you were working on the mapping from TTML
> to WebVTT, but seemed to have misunderstood.
>
> The charter [1] does say that this mapping from TTML to WebVTT should be
> published as a Working Group Note. So I am perfectly fine if we stick to
> this.
>
> Now about the interest of this mapping, you don't seem to beleive there is
> interest. This issue should have probably be raised during the charter
> editing. Now it is in our deliverables.
>

I know that a number of folks have expressed an interest. I'm just not one
of them. Of course, I can provide guidance, but I'm not able to take a lead
role, that is, unless someone steps up to sponsor this specific activity.
It is not in my current portfolio.


>
> [1] http://www.w3.org/2014/03/timed-text-charter.html
>
> thierry
>
>
>
>
>
> On 24/06/2014 17:42, Glenn Adams wrote:
>
>> No. I am not working on a mapping from TTML to WebVTT. And No, I do not
>> agree to (and would object to) incorporate such a mapping into the TTML2
>> spec. It can be done in a separate document, although, who would have an
>> interest in creating such a document, I don't know. I might be persuaded
>> to do such work if a sponsor stepped forward for such independent work,
>> but none of my sponsors have expressed such interest.
>>
>> What I am working on for inclusion in TTML2 is a mapping to CSS/HTML5 as
>> an additional alternative to the current XSL-FO mapping.
>>
>>
>> On Tue, Jun 24, 2014 at 1:08 AM, Thierry MICHEL <tmichel@w3.org
>> <mailto:tmichel@w3.org>> wrote:
>>
>>     Glenn,
>>
>>     During the Shenzhen F2F, the TTWG had agreed to include the
>>     following deliverable into the TTML spec instead of a Note has
>>     mentionned in the TTWG charter
>>
>>     "Working Group Note on the mapping between TTML and WebVTT"
>>
>>     I understood from previous discussion that you were working on this
>>     mapping.
>>
>>     Looking at the editor's draft I see in the appendix
>>     P-CEA708 Mapping Considerations (Non-Normative)
>>
>>     but none about the mapping between TTML and WebVTT
>>
>>     Could you also put a placeholder in the TTML2 spec for this mapping ?
>>
>>     Do you plan to publish it with the FPWD of TTML2?
>>
>>     maybe you could also add an informative link to the following:
>>     Conversion of 608/708 captions to WebVTT
>>     https://dvcs.w3.org/hg/text-__tracks/raw-file/default/__
>> 608toVTT/608toVTT.html
>>     <https://dvcs.w3.org/hg/text-tracks/raw-file/default/
>> 608toVTT/608toVTT.html>
>>
>>     Thierry
>>
>>
>>