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[Bug 18592] New: How much is "enough data to ensure uninterrupted playback"

From: <bugzilla@jessica.w3.org>
Date: Thu, 16 Aug 2012 15:14:33 +0000
To: public-html-media@w3.org
Message-ID: <bug-18592-5436@http.www.w3.org/Bugs/Public/>
https://www.w3.org/Bugs/Public/show_bug.cgi?id=18592

           Summary: How much is "enough data to ensure uninterrupted
                    playback"
           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#buffer-monitoring

The difference between HAVE_ENOUGH_DATA and HAVE_FUTURE_DATA is "enough data to
ensure uninterrupted playback". Since it is the web application that decides
the append rate, it seems difficult for the web browser to guess when it will
be possible to play through to the end.

Is an implementation expected to extrapolate the append rate in a similar
fashion as one would when estimating readyState for any other network resource,
or should one go to HAVE_ENOUGH_DATA only when buffered covers all times from
currentTime to duration?

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Received on Thursday, 16 August 2012 15:14:34 UTC

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