[Bug 25355] Move TextTrack.inBandMetadataTrackDispatchType to DataCue.type, and make it optional

https://www.w3.org/Bugs/Public/show_bug.cgi?id=25355

--- Comment #4 from Aaron Colwell <acolwell@google.com> ---
(In reply to Bob Lund from comment #2)
> (In reply to Aaron Colwell from comment #1)
> > I was under the impression that inBandMetadataTrackDispatchType was intended
> > to be like a MIME-type for track so that the web application could speculate
> > about the type of data to expect from the track w/o having to receive any
> > actual cues.
> 
> inBandTrack...Type contains fields from the track in the media resource that
> script can use to identify the type of metadata in that track.

OK. That is close enough assuming that there is some sort of registry to
describe the valid values for this field and prevent conflicts.

My understanding though is that this bug is calling for this attribute to be
removed from TextTrack and placed in the DataCue instead. Is this really what
you want? I wouldn't expect the "track type" to change on a per cue basis just
like the codec or encapsulation format doesn't typically change in the middle
of a track.

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Received on Wednesday, 16 April 2014 17:23:53 UTC