QPainter error when playing videos (in VLC)

[Chopstick]

Hi,
I just installed kubuntu 8.1 last week and now I'm trying to get my video playback to work.
I have a Thinkpad T60p with ATI Mobility FireGL V5250.
I'm using the VLC player and I think I installed all drivers for my graphics card correctly (but I had to do it manually ).

fglrxinfo
display: :0.0 screen: 0
OpenGL vendor string: ATI Technologies Inc.
OpenGL renderer string: ATI MOBILITY FireGL V5250
OpenGL version string: 2.1.8304 FireGL Release

But every time I play an avi-file I get the following message

VLC media player 0.9.4 Grishenko
[00000001] main libvlc debug: VLC media player - version 0.9.4 Grishenko - (c) 1996-2008 the VideoLAN team
[00000001] main libvlc debug: libvlc was configured with ./configure '--build=x86_64-linux-gnu' '--enable-maintaner-mode' '--enable-release' '--prefix=/usr' '--enable-libtool' '--enable-fast-install' '--with-binary-version=1ubuntu3' '--disable-update-check' '--disable-gnome' '--disable-gtk' '--disable-familiar' '--disable-fb' '--enable-ggi' '--enable-sdl' '--enable-esd' '--enable-mad' '--enable-arts' '--enable-jack' '--enable-pulse' '--enable-lirc' '--enable-a52' '--enable-aa' '--enable-dvbpsi' '--enable-mozilla' '--with-mozilla-pkg=libxul-plugin' '--disable-kde' '--enable-mp4' '--enable-dvb' '--disable-satellite' '--enable-ogg' '--enable-vorbis' '--enable-shout' '--enable-qt4' '--disable-slp' '--enable-flac' '--disable-skins' '--disable-basic-skins' '--enable-skins2' '--enable-freetype' '--enable-mkv' '--enable-speex' '--enable-caca' '--enable-live555' '--enable-libmpeg2' '--enable-fribidi' '--enable-cdio' '--enable-mod' '--enable-theora' '--enable-modplug' '--enable-dvdnav' '--enable-gnutls' '--enable-ffmpeg' '--enable-ncurses' '--enable-smb' '--disable-gnomevfs' '--enable-bonjour' '--enable-mpc' '--enable-vcd' '--enable-vcdx' '--enable-notify' '--enable-twolame' '--enable-x264' '--enable-faad' '--disable-zvbi' '--enable-telx' '--enable-mediacontrol-bindings' '--disable-atmo' '--enable-taglib' '--enable-libass' '--enable-libdca' '--enable-alsa' '--enable-dv' '--enable-v4l' '--enable-v4l2' '--enable-pvr' '--enable-svgalib' '--enable-dvd' '--without-dvdcss' 'build_alias=x86_64-linux-gnu' 'CFLAGS=-g -O2' 'LDFLAGS=-Wl,--as-needed' 'CPPFLAGS=' 'CXXFLAGS=-g -O2'
[00000001] main libvlc debug: translation test: code is "C"
[00000001] main libvlc: Running vlc with the default interface. Use 'cvlc' to use vlc without interface.
[00000453] a52 decoder: A/52 channels:6 samplerate:48000 bitrate:384000
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::setClipRegion: Painter not active
QPainter::setClipping: Painter not active, state will be reset by begin
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::setClipRegion: Painter not active
QPainter::setClipping: Painter not active, state will be reset by begin
QPainter::begin: Paint device returned engine == 0, type: 1
[00000420] avcodec decoder error: more than 5 seconds of late video -> droppingframe (computer too slow ?)
^C[00000402] signals interface error: Caught Interrupt signal, exiting...

It's the last part with the QPainter that's worrying me. (I suppose that's something KDE/Qt-related?) During playback it's frequently dropping frames, so it can get annoying. Previously I was running Windows Vista and exactly the same avi-files played just fine (also in VLC), no errors, no frame dropping. So there must be a configuration problem, my computer is fast enough.
In addition I have to switch off all visual effects or I get heavy flicking and artifacts on the screen.
And mplayer wouldn't play any videos at all and exit with an error, but I removed it so I can't post the error here...

Is there anyone who can help me with this? I have no idea where I could even start looking... I tinkered around with the graphics driver but that had only detrimental effects, if any at all...

Thanks!

[Chopstick]

Re: QPainter error when playing videos (in VLC)

Something I should add:

I also get this QPainter-problem

QPainter::begin: Paint device returned engine == 0, type: 1
QPainter::setClipRegion: Painter not active
QPainter::setClipping: Painter not active, state will be reset by begin
QPainter::begin: Paint device returned engine == 0, type: 1

frequently during playback and it seems to be correlated with dropping of frames...