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[Bug 14492] <video> change event when tracks are removed

From: <bugzilla@jessica.w3.org>
Date: Tue, 25 Oct 2011 09:18:03 +0000
To: public-html-bugzilla@w3.org
Message-Id: <E1RId91-0002sI-Mb@jessica.w3.org>

--- Comment #2 from Jan Lindquist <jan.lindquist@ericsson.com> 2011-10-25 09:18:03 UTC ---
(In reply to comment #1)
> Are there any sites actually providing a single stream in this way currently?
> All the sites I've seen that show TV on the Web — Hulu, YouTube, BBC, etc —
> do it one programme at a time, where the build-up of tracks wouldn't be
> problematic (and indeed would be required since you'd always be able to seek
> back to where the tracks exist); and all the sites I've seen that show streams
> — Apple's events, YouTube live, live.twit.tv, etc — do it with a fixed
> number of tracks, where there would be no build-up.

The problem is not as much with existing internet video services. It is the
regular broadcast (satellite, cable, terrestrial and even IP based on IGMP)
that is the problem. The purpose of this bug is to identify the requirements
coming from the webtv IG for bridging the TV requirements to the web (HTML5).
If you need an example in OIPF we have defined JS API's to retrieve this type
of track information including adding and removing. Without this support it is
hard to integrate <video> with these different broadcast systems.

Do you need explicit examples of deployed solutions? Does it matter that the
examples are not only IP based but broadcast over satellite, cable, etc? There
is plenty of material just need to know in which format you want it.

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Received on Tuesday, 25 October 2011 09:18:09 UTC

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