[Bug 672447] New: [mpeg4videoparse] Error in parsing MPEG4 bitstream

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Tue Mar 20 02:40:37 PDT 2012


https://bugzilla.gnome.org/show_bug.cgi?id=672447
  GStreamer | gst-plugins-bad | 0.10.23

           Summary: [mpeg4videoparse] Error in parsing MPEG4 bitstream
    Classification: Platform
           Product: GStreamer
           Version: 0.10.23
        OS/Version: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-bad
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: matteo.pampolini at selexelsag.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Parsing of MPEG4 bitstream fails in Video Buffering Verifier related code, this
causes a premature end that leads, amongst others, to non-retrieval of
width/height stream information.

In particular in source file

gst-libs/gst/codecparsers/gstmpeg4parser.c

at line 1017, a marker bit is expected, while ISO standard syntax does not
specify a marker bit at that position in the bitstream.

Matteo

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