[Bug 710392] geometrictransform: fix setting black background for AYUV buffers

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=710392
  GStreamer | gst-plugins-bad | 1.2.0

Sebastian Dröge (slomo) <slomo> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED
   Target Milestone|HEAD                        |1.3.1

--- Comment #3 from Sebastian Dröge (slomo) <slomo at coaxion.net> 2013-10-31 14:03:50 UTC ---
commit ae2231624c92953ea3dfb32a36a8ff2fb927da20
Author: Antonio Ospite <ospite at studenti.unina.it>
Date:   Thu Oct 17 12:53:31 2013 +0200

    geometrictransform: Fix setting black background for AYUV buffers

    When the frame buffer is AYUV writing all zeros does not set it to
    black, in YUV colorspace 0x10 is the black level for luminance and 0x80
    is the black level for chrominance.

    Fix setting the background to black when the out_frame format is AYUV;
    in all the other supported formats zeroing the data with memset is still
    the right thing to do.

    https://bugzilla.gnome.org/show_bug.cgi?id=710392

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