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Thread: Choppy video playback

  1. #1
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    Mar 2011
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    Choppy video playback

    I'm using Ubuntu 10.10 with ATI's drivers for my HD5850. When I have "enable tear-free desktop" (a vsync option) enabled in my catalyst control panel, video playback is VERY choppy, regardless of player or player settings. If I disable the tear-free option, video plays back smoothly, but with highly noticeable horizontal tearing.

    I'm sincerely hoping that my options for video playback in Linux are not limited to chopping or tearing, because neither are appealing to me.

    EDIT: also, I have Compix disabled atm. If anything, it may be a little less choppy when Compiz is enabled, but thats not an option because Compiz is too buggy for me to use with certain applications.
    Last edited by rau; March 5th, 2011 at 07:10 AM.

  2. #2
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    Ubuntu 12.04 Precise Pangolin

    Re: Choppy video playback

    Quote Originally Posted by rau View Post
    I'm using Ubuntu 10.10 with ATI's drivers for my HD5850. When I have "enable tear-free desktop" (a vsync option) enabled in my catalyst control panel, video playback is VERY choppy, regardless of player or player settings. If I disable the tear-free option, video plays back smoothly, but with highly noticeable horizontal tearing.

    I'm sincerely hoping that my options for video playback in Linux are not limited to chopping or tearing, because neither are appealing to me.
    Welcome to the forum.

    I can assure that this is not the norm. Hopefully someone with a bit more experience in this area can help you to sort out this issue.

  3. #3
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    Re: Choppy video playback

    bump

  4. #4
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    Re: Choppy video playback

    Really? Nobody else has issues with this?

    Another thing I noticed: As I said, when the ATI vsync option is enabled, video playback is choppy. However, if I move my mouse around on top of the video window (VLC in this case, but as I've said, all programs do this) then it isn't choppy.

  5. #5
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    Re: Choppy video playback

    bump

  6. #6
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    Mar 2011
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    1

    Re: Choppy video playback

    I also experience horizontal tearing of video playback.
    I'm on 10.10 x64 with compiz enabled and emerald + orta.
    I'm also an ATI user with the restricted driver enabled.

  7. #7
    Join Date
    Dec 2006
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    Planet Earth
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    Ubuntu

    Re: Choppy video playback

    I too am having this problem.

    10.04 & 10.10 both had this problem for me.

    I've done a clean install of 9.10 and I am currently using that as the video and audio playback work perfect for me.

    - zipperback
    Last edited by zipperback; April 1st, 2011 at 02:02 AM.

  8. #8
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    May 2008
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    Iceland
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    Kubuntu 10.10 Maverick Meerkat

    Re: Choppy video playback

    Same here. ATI HD 5470 Mobility, with ATI's drivers.
    Kubuntu 10.10.

    The CCC warns that the "tear-free" option requires more hardware resources, but this is just ridiculous...

    The most annoying part is that when I move the mouse around, the video becomes perfect. But a few seconds after I stop, the screen "blinks" for a millisecond and it becomes unwatchable.
    Disable the "tear-free" thing and the video plays smoothly, but is split across the screen into two parts.

    ... It seems there is always a problem with the Video on Linux. I don't think I've ever been able to just open a player and watch a video without having to spend days looking for workarounds for various configuration problems or driver shortcomings.
    (What's up with that?!)

  9. #9
    Join Date
    Aug 2008
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    Kansas
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    77

    Re: Choppy video playback

    I have had similar issues running Metacity, Compiz, and KWin. I have used ATI and NVIDIA cards with both open-source and proprietary drivers. I have had the best luck with my work computer with an old Intel card using the open-source driver. If you do not need a high-performance card (e.g., NVIDIA) for gaming or various other things, I would recommend using an Intel for smoothest video playback. That is what I will purchase from here on out.

  10. #10
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    Nov 2005
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    Oz
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