[Bug 21299] New: memory management in MSE

https://www.w3.org/Bugs/Public/show_bug.cgi?id=21299

            Bug ID: 21299
           Summary: memory management in MSE
    Classification: Unclassified
           Product: HTML WG
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Media Source Extensions
          Assignee: adrianba@microsoft.com
          Reporter: oipfjon@gmail.com
        QA Contact: public-html-bugzilla@w3.org
                CC: mike@w3.org, public-html-media@w3.org

This issue results from a joint meeting between the Open IPTV Forum, HbbTV and
the UK DTG. These organizations originally sent a liaison statement to the W3C
Web & TV IG:

https://lists.w3.org/Archives/Member/member-web-and-tv/2013Jan/0000.html (W3C
member only link)

There is no mention in the document about memory management in the user agent
except for the sourceBuffer.remove method. In an email on the public-html-media
list (http://lists.w3.org/Archives/Public/public-html-media/2013Feb/0071.html)
there is a mention of “If the UA decides to garbage collect part of the
presentation timeline to free up space for new appends it is not clear how the
web application could reappend the garbage collected regions without appending
the whole file again.” How does this relate to sourceBuffer.remove()? There are
clearly some assumptions about how memory management which should be written
down – even if they are non-normative.

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Received on Friday, 15 March 2013 08:35:09 UTC