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[Launchpad Bug Tracker <1449892@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package xserver-xorg-video-intel -
2:2.99.917-1~exp1ubuntu2.2

---------------
xserver-xorg-video-intel (2:2.99.917-1~exp1ubuntu2.2) vivid-proposed; urgency=medium

  * fix-yuv-to-rgb-shared-on-intel-gen8.patch: Fix faulty yuv2rgb translation
    on Intel Generation 8 Graphics. (LP: #1449892)

 -- Alessio Treglia <quadrispro@xxxxxxxxxx>  Fri, 29 May 2015 11:46:27
+0100

** Changed in: xserver-xorg-video-intel (Ubuntu)
       Status: Confirmed => Fix Released

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https://bugs.launchpad.net/bugs/1449892

Title:
  yuv to rgb translation is faulty for Intel Generation 8 Graphics

Status in X.org xf86-video-intel:
  Fix Released
Status in xserver-xorg-video-intel package in Ubuntu:
  Fix Released
Status in xserver-xorg-video-intel source package in Vivid:
  Fix Committed
Status in xserver-xorg-video-intel package in Debian:
  Confirmed

Bug description:
  [Impact]
  running mplayer or vlc the video output  is incorrect.  There are are 2 line steps on edges.
  The problems is known and there is already an upstream fix available.
  http://www.spinics.net/lists/intel-gfx/msg65030.html

  I have rebuild the driver with git from 2015-04-28, and the video
  output is correct now.

  The bugfix is for Generation 8 Intel graphics like Intel NUC with Core I5-5250 and HD6000 grahics in my case.
  The used version is Ubuntu vivid amd64.

  [Test Case]
  Launch Skype, VLC or mplayer and use xv as video output.
  A sample of the corruption can be found here:
  https://a.disquscdn.com/uploads/mediaembed/images/1942/867/original.jpg

  [Regression Potential]
  None. Admittedly I may not be the right one to fully assess the risk.
  Any help on this matter would be much appreciated.

  [Other Info]
  Already fixed upstream.

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