W3C home > Mailing lists > Public > public-html-a11y@w3.org > March 2011

Re: [media] change proposals for issue-152

From: Ian Hickson <ian@hixie.ch>
Date: Thu, 31 Mar 2011 03:30:38 +0000 (UTC)
To: Silvia Pfeiffer <silviapfeiffer1@gmail.com>
cc: Mark Watson <watsonm@netflix.com>, "public-html-a11y@w3.org" <public-html-a11y@w3.org>
Message-ID: <Pine.LNX.4.64.1103310328520.25791@ps20323.dreamhostps.com>
On Thu, 31 Mar 2011, Silvia Pfeiffer wrote:
> >
> > Video is harder since it involves assigning a playback region, so I 
> > agree with the reasoning above for video tracks, more or less. But for 
> > audio tracks it seems exposing them is fine. That's what both 
> > Microsoft's proposal and the MediaController proposal do.
> 
> Hmm are you suggesting to explicitly expose an audioTracks IDL
> attribute that has this information? It would be possible...

What I'm proposing is:

   http://www.whatwg.org/specs/web-apps/current-work/complete.html#media-resources-with-multiple-media-tracks


> Incidentally, I don't quite buy into the ExclusiveTrackList / 
> MultipleTrackList choice for audio and video tracks in the 
> MediaController API. I think both video and audio tracks should be 
> allowed to have multiple of them active at the same time.

How do you propose that the user agent should render multiple video tracks 
for a <video> element?

-- 
Ian Hickson               U+1047E                )\._.,--....,'``.    fL
http://ln.hixie.ch/       U+263A                /,   _.. \   _\  ;`._ ,.
Things that are impossible just take longer.   `._.-(,_..'--(,_..'`-.;.'
Received on Thursday, 31 March 2011 03:31:07 UTC

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