Video tearing with xcompmgr and mplayer

Hello, recently I've noticed a lot of tearing when playing movies with xcompmgr loaded. When i kill xcompmgr it goes away (almost) completely and when I enable it again the tearing starts to reappear. I'm running kernel 2.6.29, xorg 1.6 and the latest nvidia beta.
I run into this tearing no matter what video output i select, xv, vdpau or gl, it doesn't matter, video still tears.
Since I really like the effects of xcompmgr + openbox (fast but still reasonably looking) and don't really want to do without xcompmgr, I was wondering if anyone here have experienced the issue and came up with some kind of solution to this issue.
Thanks, GBG-Johan.
I forgot to mention that the video tearing still occurs when i use xine-ui instead of mplayer, so I guess it's not an issue related to which player i use.
Last edited by göteborg-johan (2009-04-18 21:46:59)

System info :
Dell Studio 14z
NVidia 9400 M
built-in monitor and Sharp 1080p TV connected via HDMI
KDE 4.4
X.Org version: 1.7.5
NVidia Driver Version: 190.53
uname -a :
Linux shinny 2.6.32-ARCH #1 SMP PREEMPT Tue Feb 9 15:12:10 CET 2010 x86_64 Intel(R) Core(TM)2 Duo CPU T6600 @ 2.20GHz GenuineIntel GNU/Linux
I am experiencing video tearing when using VDPAU output with mplayer. If I use XV output instead, there is no tearing. If I use Dragon Player (which doesn't support VDPAU) there is also no tearing. Playing around with the VSync option in nvidia-settings only has an effect if I'm using XV.
On my other box running Funtoo, I had experienced the same issue. After some searching on the Web, I found that someone suggested to add :
Section "Extensions"
Option "Composite" "Disable"
EndSection
to /etc/X11/xorg.conf. On my Funtoo system this fixed the issue. However, doing the same on my Archlinux Studio 14z didn't fix the problem.
I also tried recompiling mplayer (as if that would change anything...) to no avail.
The issue also occurs even if I use the laptop screen without any external monitor connected.
Does anyone have a clue of what else I should try? The suggestion to use only XV is not suitable because I have some 1080p content that I can not decode fast enough using only the CPU.
Another test I might try is to run my Funtoo on my laptop. This will tedious and it might not be exactly the same, since the kernel on my Funtoo machine is custom built with only the drivers for the hardware in that box.
Last edited by Prozzaks (2010-02-19 03:28:19)

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