Xv has color glitches with radeon driver
realnc at arcor.de
Tue Jul 27 17:37:58 PDT 2010
On 07/28/2010 01:46 AM, Alex Deucher wrote:
> On Tue, Jul 27, 2010 at 6:10 PM, Nikos Chantziaras<realnc at arcor.de> wrote:
>> I'm not exactly sure when the problem first occurred, but it's been quite a
>> while, definitely more than 6 months. Here's a screenshot of the problem:
> Are you sure you uploaded the right image? I don't see any bars in that image,
I'm pretty sure I don't have superhuman vision :-P They're there, I can
see them quite clearly. Maybe your monitor is too dark or too low contrast?
>> This is with mplayer using Xv, on standard definition video in fullscreen.
>> Note the gree, red and blue color bars at the bottom. They always appear,
>> but naturally, they're most visible in dark scenes. It's not an mplayer bug
>> it seems, since pausing the video and going out of fullscreen and then back
>> makes them go away temporarily. Also, they never appear with AMD's binary
>> fglrx driver or on non-radeon cards.
>> The problem, as I mentioned already, is an old one. Right now, I'm at:
>> Radeon HD4870
>> kernel 2.6.35_rc6
>> xf86-video-ati Git master
>> Mesa Git master
>> X server Git master
> Does it happen with any other movie players (totem, vlc, etc.)?
Didn't try totem, but it happens with VLC too.
> If it
> is a driver bug, can you bisect xf86-video-ati to see when the problem
> was introduced?
I don't know which version introduced this; I guess I'll have to start
trying them all.
One thing I didn't mention is that the problem only appears when the
video is being scaled. Watching in windowed mode (1:1 ratio) never
triggers it. Only when zooming or going full-screen.
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