[Bug 755392] video: bugs with gst_video_frame_copy and videoconvert (with test scripts)

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=755392

Sebastian Dröge (slomo) <slomo at coaxion.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #20 from Sebastian Dröge (slomo) <slomo at coaxion.net> ---
commit 8239da2311ddc1bcf3e1c1aa5e236ff55528c2ff
Author: Sebastian Dröge <sebastian at centricular.com>
Date:   Thu Sep 24 18:06:58 2015 +0200

    video-dither: Use saturated add when adding ordered dither for > 8 bit
targets

    Otherwise our 16 bit integers are going to overflow in intermediate
    calculations, causing video to become mostly black.

    https://bugzilla.gnome.org/show_bug.cgi?id=755392

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