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[Bug 18587] New: Define clearly what data is removed when setting an explicit duration

From: <bugzilla@jessica.w3.org>
Date: Thu, 16 Aug 2012 08:39:27 +0000
To: public-html-media@w3.org
Message-ID: <bug-18587-5436@http.www.w3.org/Bugs/Public/>
https://www.w3.org/Bugs/Public/show_bug.cgi?id=18587

           Summary: Define clearly what data is removed when setting an
                    explicit duration
           Product: HTML WG
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Media Source Extensions
        AssignedTo: adrianba@microsoft.com
        ReportedBy: philipj@opera.com
         QAContact: public-html-bugzilla@w3.org
                CC: mike@w3.org, public-html-media@w3.org


http://dvcs.w3.org/hg/html-media/raw-file/tip/media-source/media-source.html#dom-duration

4. Remove all media data that is beyond the new duration from all SourceBuffer
objects in sourceBuffers.

It's not clear to which granularity this should be done. Should any segments
which extend beyond the new duration be removed, or should enough data be
"removed" so that playback stops exactly at the new duration. I say "removed"
because this is actually a case of attaching metadata to the stream to stop
playing at a certain point, since a perfect cut can only be achieved after
decoding.

Fulfilling this requirement well would make the implementation more
complicated, so there would have to be strong use cases for it.

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Received on Thursday, 16 August 2012 08:39:28 UTC

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