[Bug 698853] HTML5 kind attribute (subtitles, captions, metadata, descriptions, chapters)

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Mon Jul 29 08:25:04 PDT 2013


https://bugzilla.gnome.org/show_bug.cgi?id=698853
  GStreamer | gstreamer (core) | git

--- Comment #14 from Brendan Long <self at brendanlong.com> 2013-07-29 15:24:58 UTC ---
(In reply to comment #11)
> Brendan, what exactly are you doing with the track kind? What's your use case?

I need it so WebKit can determine the HTML5 track kind, so I would basically
read the tag, make sure it's a valid value, and then set it as an attribute on
the TextTrack object. The most important part is that it's available to
JavaScript, which means it's hard to predict how the attribute will be used.
WebKit will use it internally for some things though (there's a "CC" button for
turning captions on, metadata tracks don't need to be parsed, "descriptions"
should be read by a text-to-speech engine, "chapters" need to be displayed
differently). Also, different "kinds" will likely be presented differently in
user interfaces.

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