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[Bug 20899] New: loosen media segment random access point constraint

From: <bugzilla@jessica.w3.org>
Date: Thu, 07 Feb 2013 22:48:55 +0000
To: public-html-media@w3.org
Message-ID: <bug-20899-5436@http.www.w3.org/Bugs/Public/>
https://www.w3.org/Bugs/Public/show_bug.cgi?id=20899

            Bug ID: 20899
           Summary: loosen media segment random access point constraint
    Classification: Unclassified
           Product: HTML WG
           Version: unspecified
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Media Source Extensions
          Assignee: adrianba@microsoft.com
          Reporter: mthornbu@adobe.com
        QA Contact: public-html-bugzilla@w3.org
                CC: mike@w3.org, public-html-media@w3.org

the current Media Source Extensions specification requires media segments to
begin with a Random Access Point (RAP).

some media formats, such as Apple's HTTP Live Streaming (HLS) require only that
media segments contain a RAP, not necessarily begin with one.  one possible use
case for this is encoders/packagers creating media segments of exactly N
seconds, where the segment boundary does not fall on a natural GOP boundary.

the constraint that media segments must begin with a RAP should be loosened to
require only that a media segment contain at least one RAP.

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Received on Thursday, 7 February 2013 22:48:56 UTC

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