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Windows 7: Choppy flash player movies

28 Aug 2010   #1

Windows 7 Home Premium 64bit
Choppy flash player movies

I'm not sure when it started exactly but it's got too bad to ignore now. When watching embedded flash movies in Firefox they play out really stuttery and choppy. The audio is fine but the videos isn't smooth at all.
I have Win 7 64-bit on a 2.53 dual core with 4Gb RAM so I don't think it's a hardware issue. I've made sure I have the latest updates of Firefox, Flash add-on for firefox, Direct X.
I've also tried uninstalling the IDE device driver and re-installing it as suggested by one forum. I've also tried unchecking the 'use hardware acceleration' option in the flash settings.
I found a blog that gave instructions for using a greasemonkey script to play flash content using VLC player. When I play any media files with VLC, it seems to work OK so I thought this would be good, but I couldn't get it to work and it only works for youtube videos, not Vimeo ones.
When I look at the system performance, when a flash video is playing the processor use is at about 70% and the process called 'plugin-container' which is for Firefox uses about 70Mb of memory. When I close the tab with the flash movie content, the processor use drops to between 0% and 10% and the plugin-container uses about 10Mb of memory.
Is there some setting I can change to just allow the movies to play smoothly. Youtube videos are just about bearable but Vimeo ones are pretty much unwatchable.
Any help appreciated

My System SpecsSystem Spec
28 Aug 2010   #2

Microsoft Community Contributor Award Recipient

Windows 10, Home Clean Install

It could be what is know as buffering. The only possible solution that I know is, when it happens stop the video and give it a chance to catch up. When you restart it should work fine.
My System SpecsSystem Spec
28 Aug 2010   #3

Windows 7 Home Premium 64bit

Sorry, I forgot to mention that. I'm pretty sure that it's not buffering as it happens whether the FLV file is still loading or if it has fully loaded.
My System SpecsSystem Spec

28 Aug 2010   #4

Windows 8 Pro w/MC 32-bit

Sorry if this thought is way off, but I think Flash only works in 32-bit browsers. Have you tried IE8 32-bit?
My System SpecsSystem Spec
29 Aug 2010   #5

Windows 7 Home Premium x64

This choppiness you experience in Firefox is because of the browser itself, not your hardware. I bet that the stuttering happens on a regular interval; every 10 seconds. This happens because of the session managing that Firefox has built in. So, here's what you can try:

Open Firefox and type into the address bar: about.config
The browser will probably annoy you with a message, ignore it and click Yes or whatever.
Now hit CTRL+F and type into the search: browser.sessionstore.interval and change the value to a higher number. If you are not paranoid about saving your tabs in case the browser crashes (as Firefox obviously is) you can set it to, like, 300000 (milliseconds), which is 5 minutes, or even higher, with a simple math calculation.
My System SpecsSystem Spec
29 Aug 2010   #6

Genuine Windows 7 Ultimate 64-Bit

Right Click on the video ---> Adobe Flash Settings ---> Disable Hardware Acceleration

My System SpecsSystem Spec
29 Aug 2010   #7

Windows 7 Home Premium x64

Disabling hardware acceleration will, in fact, not help much, if not at all. This is NOT the "big new feature" that came with v10.1, this option was available in Flash for(ever) a long time.

The only thing you'll get from disabling this option are choppier visuals, i.e. look carefully at, for example, the YouTube player while in fullscreen, the font will become fuzzy, as well as the video itself.

Unless something was changed recently, I haven't used that "disable" option in quite a while.
My System SpecsSystem Spec
31 Aug 2010   #8

Windows 7 Home Premium 64bit

Thanks for the replies. As I said before, I already tried checking and unchecking the hardware acceleration and there didn't seem to be any difference.
Sopolias, I tried the sessionstore interval trick but to no avail. The videos are constantly choppy, as I said before, esprecially Vimeo ones.
I'll give the IE 32bit idea a go. It's a bit annoying though because I prefer Firefox but if it means I can watch smooth videos then I guess it's worth it.
My System SpecsSystem Spec
31 Aug 2010   #9

Windows 7 Home Premium x64

Try to monitor Firefox's usage on CPU and RAM while you watch videos.
From your system specs I cannot see much, but are you perhaps trying to watch HD videos, without actually having full support from your CPU to view such high quality content?
My System SpecsSystem Spec
06 Sep 2010   #10

Windows 7 Home Premium 64bit

Hi Sopolias
When I'm watching videos the CPU is sometimes as high as 60% usage, coming from Firefox and firefox plugin manager. There aren't other programs that are using this processing power as well because when I close the tab that contains the video, the CPU usage drops right down to 1% or 2%.
How could I configure my CPU for video playback as you said?
I heard somewhere that possibly the flash player isn't set up to be used with 64 bit operating systems. Maybe that could be the cause?
Anyway thanks for the replies
My System SpecsSystem Spec

 Choppy flash player movies

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