[Bug 29041] [MMIO] column ordering (23endianness?) issue with video overlay

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=29041

--- Comment #2 from FatPhil <thefatphil at yahoo.co.uk> 2010-07-13 06:26:21 PDT ---
Mid-air collision!!!

I'll try what you suggest, and report back. Until then, here's the rest of what
I was going to write...

F*cking synaptics touchpad on my laptop...

OS-wise this is 

phil at geespaz:~$ cat /etc/debian_version 
squeeze/sid
phil at geespaz:~$ uname -a
Linux geespaz 2.6.32-5-powerpc64 #1 SMP Tue Jun 1 15:09:03 UTC 2010 ppc64
GNU/Linux

phil at geespaz:~$ dpkg -l | grep radeon
ii  libdrm-radeon1                          2.4.18-6                      
Userspace interface to radeon-specific kerne
ii  radeontool                              1.6.1-1                       
utility to control ATI Radeon backlight func
ii  xserver-xorg-video-radeon               1:6.13.0-2                    
X.Org X server -- AMD/ATI Radeon display dri

phil at geespaz:~$ dpkg -l | grep xorg  
ii  xorg                                    1:7.5+6                       
X.Org X Window System
ii  xorg-docs-core                          1:1.5-1                        Core
documentation for the X.org X Window Sy
ii  xserver-xorg                            1:7.5+6                        the
X.Org X server
ii  xserver-xorg-core                       2:1.7.7-2                      Xorg
X server - core server
...


The problem is best illustrated with an image, but as it's the overlay, it has
to be a photo rather than a screengrab. Here's a camphone snap of it
  http://fatphil.org/images/XoverlayPPC64_1.jpg
(which I guess I should attach to this ticket).

The issue takes a couple of different forms depending on precisely which video
format and player I use. One AVI always (VLC, xine, and mplayer) has odd and
even columns swapped over, giving horrid sawtooth jaggies down all sloping
edges. Another AVI is like that with mplayer and xine, but in vlc the columns
are in the right order, but the colours are completely messed up. If I use
mplayer -vo x11 or mplayer -vo gl, then the columns are all in the right place,
it's only -xo xv that shows that particular issue.

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