I have tried several Nvidia cards and drivers and even different monitors but I cannot fix this issue.
The video playback for any video file (but mostly HD videos) is just not perfect.
About a quarter of the way down from the top of the screen I always get this slight line during motion of a video that kind of distorts to the right creating what seems like some horizontal sync issue.
It's like the picture is slightly pushed over for a small area.
This happens on all HD videos regardless of screen resolution or monitor that I try.
It happens in all video players ....mplayer, vlc, xbmc, totem....
I have resorted to using Windows 7 as my OS for my media player but i really want to use Ubuntu but cannot get perfect video playback.
I have tried with both 32bit and 64bit 10.10 but it doesn't make difference.