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[Bug 13359] A way is needed to identify the type of data in a track element

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Date: Thu, 25 Aug 2011 20:50:59 +0000
To: public-html-bugzilla@w3.org
Message-Id: <E1Qwgt9-0001UH-G3@jessica.w3.org>

--- Comment #15 from Bob Lund <b.lund@cablelabs.com> 2011-08-25 20:50:57 UTC ---
(In reply to comment #12)
> Please note that there is no reason to quote the entirety of a comment when
> replying. Either quote nothing or quote just what you are responding to.
> Is there a _concrete_ example here? I really don't understand the use case
> being presented. Re comment 3, for example, why would O be exposing content
> from P?

Content advisories will be added by the content producer. A aervice provider
will ingest that content and insert ad insertion messages for doing targeted
advertising in some markets, but not in others. The service provider will
provide a page O representing the program guide to access this channel across
those markets. So page O needs to deal with: a) a metadata text track
containing the content advisories from the content producer and b)another
metadata text track, which may or may not be present, containing ad insertion
messages. There's a need to identify the type of parental control message used
and to distinguish between the two different metadata text tracks in script.

Even if there was agreement across content producers and service providers
about message types one is left with the question of how does script
distinguish between the tracks in the case there is multiple metadata text
tracks source from in-band tracks in the media resource.

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Received on Thursday, 25 August 2011 20:51:00 UTC

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