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Re: [media] Moving forward with captions / subtitles

From: Eric Carlson <eric.carlson@apple.com>
Date: Fri, 19 Feb 2010 06:51:23 -0800
Cc: Silvia Pfeiffer <silviapfeiffer1@gmail.com>, Geoff Freed <geoff_freed@wgbh.org>, HTML Accessibility Task Force <public-html-a11y@w3.org>
Message-Id: <0D0F38A2-CFF7-4FF2-81BB-36A3427E6FD7@apple.com>
To: Philip Jägenstedt <philipj@opera.com>

On Feb 18, 2010, at 11:00 PM, Philip Jägenstedt wrote:

> On Fri, 19 Feb 2010 13:43:19 +0800, Eric Carlson <eric.carlson@apple.com> wrote:
>> On Feb 17, 2010, at 9:49 PM, philipj@opera.com wrote:
>>> What does enabled mean here? Since the MediaTracks API doesn't reflects
>>> the concept of groups, the mapping is open for debate. I think we should
>>> either reflect groups in some way, or we should simply expose all tracks
>>> in all groups (enabled or not) and setting .enabled=true on a track should
>>> implicitly disable the others in the same group.
>>  We should definitely expose all tracks, whether or not they are in a group. We could expose group, but what could a script do with it?
> It would be good if a script can tell if enabling a track will disable others, so that it doesn't walk through the list and try to enable all tracks and is then surprised by the results. There is a workaround for <trackgroup><track> (look at the DOM tree), but what about embedded tracks?
  Excellent point!

Received on Friday, 19 February 2010 14:51:58 UTC

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