[gstreamer-bugs] [Bug 609405] New: [qtdemux] Issues when seeking with file with lots of tracks and edit lists

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=609405
  GStreamer | gst-plugins-good | git

           Summary: [qtdemux] Issues when seeking with file with lots of
                    tracks and edit lists
    Classification: Desktop
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: robert.swain at gmail.com
         QAContact: gstreamer-bugs at lists.sourceforge.net
      GNOME target: ---
     GNOME version: ---


http://samples.mplayerhq.hu/mov/multitrack/cx/bellhamlam.mov

That sample is a bit nuts but, apparently QuickTime plays it properly and we
should at least not segfault. The reason it segfaults is because when
translating the newsegment event from byte to time format, somehow the stop
time we retrieve is less than the start time.

      gst_qtdemux_push_event (demux,
          gst_event_new_new_segment_full (update, rate, arate, GST_FORMAT_TIME,
              start, stop, start));

With stop < start, gst_event_new_new_segment_full () returns a null pointer
which gst_qtdemux_push_event () tries to dereference. Patch for this incoming.

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