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Re: Multiple metadata text tracks

From: Silvia Pfeiffer <silviapfeiffer1@gmail.com>
Date: Sat, 15 Jun 2013 21:40:17 +1000
Message-ID: <CAHp8n2=XFH9+ba1NZ3+Ar3v4dQH_TwX4aa9ADwxZZU4GjAR63g@mail.gmail.com>
To: Cyril Concolato <cyril.concolato@telecom-paristech.fr>
Cc: public-html@w3.org
Only tracks of kind=metadata whose default attribute is set will get
its cues loaded.
Put a @default attribute on all metadata tracks and they should get loaded.
If not, register a bug on Chrome.


On Sat, Jun 15, 2013 at 1:20 AM, Cyril Concolato
<cyril.concolato@telecom-paristech.fr> wrote:
> Hi all,
> It is my understanding that it should be possible to have multiple metadata
> text tracks be loaded. I interpret that from the text below:
> "If there are any text tracks in the media element's list of text tracks
> whose text track kind is metadata that correspond to track elements with a
> default attribute set whose text track mode is set to disabled, then set the
> text track mode of all such tracks to
> hidden<http://www.w3.org/html/wg/drafts/html/master/embedded-content-0.html#text-track-hidden>"
> "There is no limit on the number of track elements whose kind attribute is
> in the metadata state and whose default attribute is specified."
> and hidden says:
> "Indicates that the text track is active, but that the user agent is not
> actively displaying the cues. If no attempt has yet been made to obtain the
> track's cues, the user agent will perform such an attempt momentarily. The
> user agent is maintaining a list of which cues are active, and events are
> being fired accordingly."
> I tested that in Chrome Canary (v29.0.1537.0) but only the first metadata
> track seems to have its cues loaded. Is it a Chrome bug or have I
> misunderstood something?
> Thanks,
> Cyril
> --
> Cyril Concolato
> Maître de Conférences/Associate Professor
> Groupe Multimedia/Multimedia Group
> Telecom ParisTech
> 46 rue Barrault
> 75 013 Paris, France
> http://concolato.wp.mines-telecom.fr/
Received on Saturday, 15 June 2013 11:41:06 UTC

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