W3C home > Mailing lists > Public > public-texttracks@w3.org > February 2012

Re: metadata in the VTT file header, re-starting the conversation

From: Silvia Pfeiffer <silviapfeiffer1@gmail.com>
Date: Wed, 22 Feb 2012 17:35:21 +1100
Message-ID: <CAHp8n2kbs0XuB8OAtLXo=Ozr9DDcrep1EZw6MRKArMVTzYisxQ@mail.gmail.com>
To: David Singer <singer@apple.com>
Cc: public-texttracks@w3.org
Could you add your use cases to
https://www.w3.org/Bugs/Public/show_bug.cgi?id=15851 ?

Cheers,
Silvia.

On Wed, Feb 22, 2012 at 10:31 AM, David Singer <singer@apple.com> wrote:
> Hi
>
> this conversation petered out, and we could really do with a way to store attributes in the VTT file header:
> a) documented (standard)
> b) vendor-specific and experimental, probably
>
> Does anyone have any preferred syntax for doing this?  It's a little tricky, because one of the values I'd like to support is in-line CSS
>
>
> On Dec 22, 2011, at 10:18 , David Singer wrote:
>
>> Hi
>>
>> we've mentioned this in passing, and maybe we need an issue or a bug tracker for this.
>>
>> We probably need to put in the file header some meta-data, that could be used for (for example)
>> * if the VTT file is used by a 'media player' outside a web context
>> * when the file is going to be, but not yet, embedded in a web context, information that will be needed to do that embedding right
>>
>> These categories probably overlap.  I'm thinking of examples like
>> -- "looks better if these style-sheets are used"
>> -- "has an overall language of en-US"
>> -- "is intended for this 'kind' in HTML"
>> -- "when used with the expected mpeg-2 transport stream, <this> VTT timestamp is (maps to) <that> MPEG-2 clock reference"
>>
>> and so on.
>>
>> Do we have proposals, or are we at the use-case and data-collection stage?
>>
>> David Singer
>> Multimedia and Software Standards, Apple Inc.
>>
>>
>
> David Singer
> Multimedia and Software Standards, Apple Inc.
>
>
Received on Wednesday, 22 February 2012 06:36:08 GMT

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