Re: [blink-dev] WebVTT vs TTML Features

On Wed, Dec 11, 2013 at 3:34 AM, David Singer <singer@apple.com> wrote:

>
> On Dec 9, 2013, at 11:36 , Glenn Adams <glenn@chromium.org> wrote:
>
> > But not as well as you could it would seem: on Chrome, WebVTT is simply
> translated to cues referring to a CSS styled HTML fragment. Why not simple
> define an HTMLCue, and dispense entirely with VTTCue and the WebVTT parser.
> The WebVTT could be translated to a sequence of HTML cues on the server or
> using client JS.
> >
>
> This is probably stating the obvious, but you asked.
>
> for at least two reasons:
>
> * we want this to be only one of many possible implementation choice
> and
> * we want there to be a simple expression of the timed cues that is not
> dependent on an implementation choice
>

Which would require the "simple expression" to be a semantic/stylistic
superset of formats, which HTML/CSS is, but WebVTT isn't.


>
> David Singer
> Multimedia and Software Standards, Apple Inc.
>
>

Received on Tuesday, 10 December 2013 20:56:41 UTC