[Bug 692312] codecparsers: vc1: fix bitplanes decoding

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=692312
  GStreamer | gst-plugins-bad | git

Tim-Philipp Müller <t.i.m> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
                 CC|                            |t.i.m at zen.co.uk
         Resolution|                            |FIXED
   Target Milestone|HEAD                        |1.1.1

--- Comment #1 from Tim-Philipp Müller <t.i.m at zen.co.uk> 2013-01-24 23:04:51 UTC ---
commit 82200d75ae1542922ec7f52f6ab7ba7746eebe67
Author: Gwenole Beauchesne <gwenole.beauchesne at intel.com>
Date:   Tue Jan 22 18:01:24 2013 +0100

    codecparsers: vc1: fix bitplanes decoding.

    Fix decoding of DIFF2 or NORM2 bitplanes with an odd number of macroblocks.
    In particular, account for the first bit that was already parsed so that to
    avoid a buffer overflow after all pairs are parsed.

    This fixes SA00040.vc1 conformance test.

    https://bugzilla.gnome.org/show_bug.cgi?id=692312

    Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne at intel.com>

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