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Thread: ati 4850 choppy video with restricted drivers

  1. #1
    Join Date
    Jun 2009
    Beans
    5

    Question ati 4850 choppy video with restricted drivers

    Hi all

    First of all, congrats on a VERY nice looking and functional distro, I was origonally using SuSE/Debian and I think I've found my new OS.

    I have a radeon HD 4850 and an X-Fi extreme music card (not the best combination to start with, I know ) Sound is working fine with the exception of missing 5.1 but video is another story...

    I enabled the restricted driver for the video but was getting a choppy display i.e. when moving a window around with Compiz installed or watching a movie. Initially when going fullscreen it would freeze the whole system but that issue is now fixed by adding 'no-xv' to gstreamer properties. I tried downloading the newest binaries from ati.com, and enabling vertical sync but still no luck, videos are unwatchable. Next step is disabling compiz I suppose, although that's a bit of a shame.

    Any help would be very much appreciated as I've spent about 2 hours googling and experimenting. Would hate to go back to Windows 7 but need this working as a multimedia system as it's hooked up to the plasma in the front room.

    Cheers!

    Code:
    Section "ServerLayout"
            Identifier     "aticonfig Layout"
            Screen      0  "Default Screen" 0 0
    EndSection
    
    Section "Files"
    EndSection
    
    Section "Module"
            Load  "glx"
    EndSection
    
    Section "Monitor"
            Identifier   "Configured Monitor"
    EndSection
    
    Section "Device"
            Identifier  "Configured Video Device"
            Driver      "fglrx"
            Option      "Capabilities" "0x00000800"
            BusID       "PCI:1:0:0"
    EndSection
    
    Section "Screen"
            Identifier "Default Screen"
            Device     "Configured Video Device"
            Monitor    "Configured Monitor"
            DefaultDepth     24
    EndSection
    Last edited by danbyrne; June 14th, 2009 at 06:42 PM.

  2. #2
    Join Date
    Nov 2008
    Location
    Canada
    Beans
    129

    Re: ati 4850 choppy video with restricted drivers

    AMD's drivers are still pretty spotty performance for compiz, also with making your CPU do the video work.

    Although I just read about a 9.6 revision of the catalyst driver here with updates for playback, dual monitor etc. Im going to check it out myself.


    I have a 4850, If still trouble I would suggest using the open source drivers for the time being (no compiz but 3D support is on the horizon) and great accelerated playback. radeon/radeonhd (xserver-xorg-video-ati or -radeon)


    their comparison wiki http://wiki.x.org/wiki/RadeonFeature

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