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Does computer performance affect streaming video?

Discussion in 'Computer Talk' started by Mr. Keith, Feb 15, 2009.

  1. Mr. Keith

    Mr. Keith Bracketologist

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    Or is it solely your internet connection?

    I just get annoyed with choppy videos.
     
  2. civ_king

    civ_king Deus Caritas Est

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    I think it is both, you need a good 'net connection so you can watch it correctly but then you need a good video card
     
  3. Mr. Keith

    Mr. Keith Bracketologist

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    Really.

    My computer just has integrated video. Are you telling me that a video card would actually improve my youtubing experience?
     
  4. aimeeandbeatles

    aimeeandbeatles watermelon

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    Flash video is very lossy anyways.

    Unless the FPS in the video is higher than the FPS on your video card, it shouldn't affect it too much. (It's usually around 25 or 30 on videos, depending on if its PAL or NTSC.) I think you only need a good video card if you're going into the high-def stuff.
     
  5. Zelig

    Zelig Beep Boop

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    Your video card has absolutely no effect on streaming video.

    CPU speed on low end machines might, open up the task manager, and see if your web browser is at 100% cpu usage to check.

    Otherwise, it's your connection. (Or the streaming site)
     
  6. Aramazd

    Aramazd Chieftain

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    IIRC, Flash 10 has gpu acceleration
    Yep.
    Yep.

    Flash is h.264...
    What?
     
  7. Genocidicbunny

    Genocidicbunny Bug squasher

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    Its both, your connection and your computer. My crappy old laptop can barely play flash video with no stuttering. If you have a slow connection though, it will have to constantly pause to download more of the video too though.
     
  8. aimeeandbeatles

    aimeeandbeatles watermelon

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    Whenever I've encoded videos to flash video, there's always been a significant decrease in quality. And I've used different encoders.

    And the FPS (frames per second) thing -- Sometimes, when my video card driver craps out on me, I have to use the default VGA one. And it has a low FPS, so some videos look a bit choppy on it, whether or not its streaming.
     
  9. Zelig

    Zelig Beep Boop

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    Hey, so it does, I should check out if it's any good, for future reference...

    CoreAVC also just included hardware acceleration via Cuda in their latest release, haven't tried it yet, but it sounds very promising.
     
  10. Aramazd

    Aramazd Chieftain

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    H.264 was added a while ago. Prior to that it used something elsel

    It's probably your CPU.
     
  11. GVBN

    GVBN Chieftain

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    Most streaming videos are so low resolution and low bitrate that processor speed isn't going to matter
     
  12. aimeeandbeatles

    aimeeandbeatles watermelon

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    No, as it's only when I use the default VGA drivers.
     
  13. Aramazd

    Aramazd Chieftain

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    Well it's not you GPU, so I don't know what to tell you.

    I always here about flash taking a large amount of cpu time, especially on OS X and nix. Even on windows it takes a lot of processor time; I imagine on older CPUs it would be really bad.
     
  14. aimeeandbeatles

    aimeeandbeatles watermelon

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    Okay -- suppose you have a very low frame rate with your video card. If the frame rate on the video is higher, it'll be choppy. No matter what GPU you have.
     
  15. Aramazd

    Aramazd Chieftain

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    What the hell are you talking about?
     
  16. aimeeandbeatles

    aimeeandbeatles watermelon

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    It's like trying to film a motor race with a video camera which has only 10 fps. Or how some video animations are. choppy.
     
  17. Aramazd

    Aramazd Chieftain

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    I'm still not following; a video card doesn't have a set fps.
     
  18. aimeeandbeatles

    aimeeandbeatles watermelon

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    Well, the adaptor might.
     
  19. Genocidicbunny

    Genocidicbunny Bug squasher

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    What? No. They dont. Video cards will display things as fast as they can. Camera's on the other hand may have a set fps. Older webcams didnt shoot at 24/30fps that you need for full motion, they shot at 10-15fps which made them stuttery, but it was good enough to convey motion.

    In short, I have no idea why you think GPU's have a set framerate, cus they dont. They'll display things as fast as they can.
     
  20. aimeeandbeatles

    aimeeandbeatles watermelon

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    Yes, and if "as fast as it can" is slower than the videos' framerate, it'll be slow.

    Maybe I'm getting confused with the monitors refresh rate.

    The lousy default adaptor is the one you get if you disable your regular display adaptor in device manager. The VGA one.
     

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