[Bug 776431] New: dashdemux: Fix regression of On-Demand profile mpd playback

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Fri Dec 23 07:02:31 UTC 2016


https://bugzilla.gnome.org/show_bug.cgi?id=776431

            Bug ID: 776431
           Summary: dashdemux: Fix regression of On-Demand profile mpd
                    playback
    Classification: Platform
           Product: GStreamer
           Version: git master
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: sh.yang at lge.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---

Fix test fail of gst-validate test case (exMPD_BIP_TC1) by previous sidx
related patches

exMPD_BIP_TC1.mpd on gst-validate has two special feature
- Only "BaseURL" element exist (no header url info such as indexRange)
- Sidx box has non-zero "first_offset" value

Note that, sidx has "first_offset" syntax which represents the distance in
bytes from anchor point to media fragment. Here, the anchor point is the next
byte of end of sidx box.
Usually, the first media fragment located right after sidx box (in this case
first_offset should be zero). However, if there are addtional top level boxes
between sidx and the first moof, the "first_offset" value in sidx box has
non-zero value.

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