[Bug 674917] New: mpeg4 codec parser typo caused screen mess to decoder

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=674917
  GStreamer | gst-plugins-bad | git

           Summary: mpeg4 codec parser typo caused screen mess to decoder
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: All
            Status: UNCONFIRMED
          Severity: critical
          Priority: Normal
         Component: gst-plugins-bad
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: feng.yuan at intel.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Created an attachment (id=212925)
 --> (https://bugzilla.gnome.org/attachment.cgi?id=212925)
mpeg4 codecparser patch

Mpeg4 codec parser(gst-libs/gst/codecparsers/gstmpeg4parser.c) has typo error
which may cause wrong GstMpeg4Packet offset/size when "vop->fcode_forward = 5";
The typo was in function "compute_resync_marker_size". It may happened in all
plantform and may cause screen mess to some decoders.

There's a patch attached to fix this issue.
Please help review.

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