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[Bug 17071] New: Define how presentation duration is set & updated

From: <bugzilla@jessica.w3.org>
Date: Tue, 15 May 2012 23:34:52 +0000
To: public-html@w3.org
Message-ID: <bug-17071-2495@http.www.w3.org/Bugs/Public/>
https://www.w3.org/Bugs/Public/show_bug.cgi?id=17071

           Summary: Define how presentation duration is set & updated
           Product: HTML WG
           Version: unspecified
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Media Source Extensions
        AssignedTo: adrianba@microsoft.com
        ReportedBy: acolwell@chromium.org
         QAContact: public-html-bugzilla@w3.org
                CC: mike@w3.org, public-html-wg-issue-tracking@w3.org,
                    public-html@w3.org


The current spec text makes no mention of how the duration attribute on the
HTMLMediaElement is set. 

The current Chromium implementation just fetches this value from the first
initialization segment and uses that. This is ok if all the initialization
segments happen to have the same duration. In the ad-insertion use case though
an initialization segment with a significantly different duration may get
appended and the web application may want the inserted content to actually
increase the duration of the presentation.

Rules about how duration is set and updated need to be defined.

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Received on Saturday, 19 May 2012 10:34:53 UTC

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