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Re: Yet Another Scroll-Up Idea (YASUI) in VTT

From: Silvia Pfeiffer <silviapfeiffer1@gmail.com>
Date: Thu, 27 Sep 2012 11:22:00 +1000
Message-ID: <CAHp8n2mZnGG7jCX+JGV9dHyMg5fOj=SwXtm_9Q9QJ6Rq7seipw@mail.gmail.com>
To: David Singer <singer@apple.com>
Cc: public-texttracks <public-texttracks@w3.org>
On Thu, Sep 27, 2012 at 8:46 AM, David Singer <singer@apple.com> wrote:
>
> On Sep 25, 2012, at 18:23 , Silvia Pfeiffer <silviapfeiffer1@gmail.com> wrote:
>
>> On Wed, Sep 26, 2012 at 10:08 AM, David Singer <singer@apple.com> wrote:
>>>
>>> On Sep 25, 2012, at 16:52 , Silvia Pfeiffer <silviapfeiffer1@gmail.com> wrote:
>>>
>>>>>> That's how I saw it, too. Is that how you are planning to work with
>>>>>> WebVTT in HLS? Or is your HLS player just the first step towards a
>>>>>> more complete support of WebVTT? I am trying to find out if there are
>>>>>> fundamental issues that can't be overcome easily or if it's just a
>>>>>> step-wise implementation.
>>>>>
>>>>> I think that this is a desirable goal: players that behave as if they have some style-sheet(s) built in, that are generally applicable (i.e. can be used in any VTT file).  I don't see this changing fast in off-browser players like HLS.
>>>>
>>>> So they would likely follow the 608/708 spec?
>>>
>>>
>>> Not sure what you are asking here, but  we think it likely that we'll need to support both (a) captions 'converted' from 708 (or something like) and also (b) the FCC suggestions, which want the ability to color and scroll windows, etc.  To that end, behaving as if some fixed style-sheet was built-in, that gives (e.g.) access to window colors, would be desirable.
>>
>>
>> I took the next step from there and basically asked if, given this
>> situation, you think it likely that instead of developing their own
>> fixed style-sheet, they would be sufficiently satisfied with using the
>> one we are developing in that spec.
>
> oh gosh yes.  I want the user-agents to claim that they embed the One True x08 style-sheet that we publish, not that they all make up their own.  That's why it needs to be independent of the actual cues.

Ah, hmm... I don't know if I subscribe to having browsers natively
support these style sheets. I'd want to leave that decision to the UA.
But I'd like to provide one that other UAs can claim to rely on if
they so choose to.

Cheers,
Silvia.
Received on Thursday, 27 September 2012 01:22:48 UTC

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