internet video jumpy

I have a gateway e4100 running windows 7 with 2gb ram, hyperthreaded pentium 4 3ghz, ati radeon hd5450 (512mb regular pci, not express). hdmi tv at 1440x900 for my monitor.

I haven't tried this with any other non-streaming sources, but 1080p quicktime format video off my nikon d5100 plays great, no problems. but any online streaming video is almost unwatchable at anything above 480p (tested with youtube) 720p is barley watchable, and 1080 is just rediculous. the video is jumpy and studders, the audio is fine. its not my internet connection, I'm getting 6mbps, and even if I wait for the whole thing to load, it still does that. even on 360p it is still there, just barley noticeable. I tried this on hulu and netflix, it does the same thing.

watching a 480p youtube video cpu usage is at 90% and anything above that is 100%

I have played with the catalyst control center software, and it says the video enhancing settings are applied to internet video, but that was all I could find, and messing with those setting seemed to have no effect. I have searched google, but didn't find anything helpful, my drivers are all updated, and I usually use chrome, but have tried IE and same problem.

any help would be appriciated!!!
 
I couldn't find hardware acceleration in the flash settings, the only option was to allow use of mic and webcam. I saw this suggestion somewhere else, and they showed a picture of where the setting was, and on mine the tab isn't there.
 
Try viewing a youtube video. Right click on the video and click on settings. You should now see the hardware accleration option, uncheck it.
 
Your missing one of the tabs, should be one to the left of the one you are at now. Are you running the latest version of flash player?
 
Just a thought but if the flash suggestion doesn't work, have you checked your memory/ram usage while the video is playing? I ask this as your ram is only 2gb and you are running windows 7 so I am suggesting that you might be running out of memory and windows is writing data to the page file which is why your cpu usage is 100%. Playing a HD you tube video should only consume a 10 - 15% on most multi core processors (less on newer intel cpu's), but the single core P4 (i could only find it listed at 2.8ghz not 3ghz) would be a different story altogether. Check your ram usage in task manager at idle and then again when a video is playing. I am also not sure what you have running in the background so whilst you are in task manager go to the startup tab and disable anything that starts up with windows but does not need to ie, quicktime, skydrive or any cloud services (just to test as you can re-enable them later if you wish), anything that will be consuming resources. Then try you tube again.

Another thing is what percentage does your cpu run whist it is at idle? Any programs running in the background would also be consuming valuable cpu resources on a single core machine. If you look in the processes tab of Task manager you can see what applications are consuming the most cpu usage. When you are streaming a video from you tube, is it flash player that is taking the most cpu% and if so, what is the percentage number?

Also, have you tried using a different browser such as Firefox? (don't use internet explorer as it is too bloated)
 
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I fixed it (somewhat). The problem wasn't that I needed to disable Hardware acceleration, I need to enable it. My processor can't handle hd video, but the graphics card can. the flash player built into chrome supports no hardware acceleration at all. I tried internet explorers flash, and it appeared to be the same, but when I made the 1080p video full screen, it looked great no stuttering. I did the same thing on chrome, and it was unwatchable. but even on IE when the video isn't full screen it still looks horrible. I read the help page on hardware acceleration at adobe and it said that they don't use hardware acceleration unless the video is full screen. So then I looked up how to make chrome use hardware acceleration and found this article that solved the problem. I just have to watch everything in full screen... oh well.
https://productforums.google.com/forum/?fromgroups#!topic/chrome/Xe-lkTGB5xE

and the ram isn't an issue, it uses a max of 1.5gb with 2 browsers open, and i have 2.5gb total.
 
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