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Re: [media] a first draft JavaScript API for multitrack media

From: Eric Carlson <eric.carlson@apple.com>
Date: Wed, 17 Feb 2010 20:04:56 -0800
Cc: Philip Jägenstedt <philipj@opera.com>, HTML Accessibility Task Force <public-html-a11y@w3.org>
Message-Id: <5BDC66F6-C33C-44A7-9E1F-EB466A5CAA5A@apple.com>
To: Silvia Pfeiffer <silviapfeiffer1@gmail.com>

On Feb 17, 2010, at 4:06 PM, Silvia Pfeiffer wrote:

> On Thu, Feb 18, 2010 at 1:53 AM, Eric Carlson <eric.carlson@apple.com> wrote:
>> 
>>   I think "media" is only useful in markup. It allows the content author to
>> describe the characteristics of a resource, and it is used by the UA to
>> choose the most appropriate resource from a group of alternates for a user's
>> stated needs/preferences.  In other words, I don't think "media" is an
>> intrinsic property of the resource so we dont' need to expose it in this API
> 
> Ah, so it basically inherits the @media attribute from the video
> source. Would it maybe make sense, for reasons of exposing the same
> API across internal and external tracks, to return the video source's
> @media value in a track's media query if that attribute is read on an
> internal track?
> 
  I am suggesting that we don't want a 'media' property in the API at all, it is only useful in the markup.

eric
Received on Thursday, 18 February 2010 04:05:29 GMT

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