Kodi Community Forum

Hey guys,

After using MediaPortal for the past few years, I went ahead and threw on XBMC this week and have fallen in love. The interface is amazing, the amount of plugins is incredible and the support seems top notch. The only downside for me (and this is obviously a big one) is that all videos play VERY choppy. If my terminology is right, it's more towards stuttering/juddering than it is tearing.

When pressing the 'o' button, I see the FPS jumping all over the place (from 5.x all the way up to 24.x), yet the CPU or GPU doesn't appear to be taxed at all.

I've searched the forum high and low, and have tried all the classic fixes (enabling VSYNC, syncing playback to display, fooling around with various deinterlacing methods, etc) but nothing has come even close to making it better. In fact, anytime I enable the 'sync playback to display', no matter what option, the video starts play super fast (almost as if in fast forward) while the audio tries hard to catch up (almost sounding like the chipmunks).

For what it's worth, I'm running XP SP2 on an AMD 64 4200 (running in 32-bit) with an ATI X850 series video card (v9.11 Catalyst drivers) at a custom resolution of 1232x688 @ 60hz. Other PC specs: 3GB RAM, Soundblaster Audigy 2 ZS, Hauppauge 45-button remote sending IR to blaster port of PVR-150 card.

I've pasted what I hope is what you're looking for in a debug log here:
http://pastebin.com/f6dbf37a0

Hope that helps. Please let me know if you need any other information and I will gladly provide it.

Thanks in advance for looking. Really hoping this can be solved and I can continue using this awesome program!

Try disabling powernow/coolnquiet in the bios or install the patch from amd.

bobo1on1 Wrote:Try disabling powernow/coolnquiet in the bios or install the patch from amd.

Thanks for the reply!

Forgive my ignorance, but what AMD patch are you referring to?

Also, not sure if it matters, but I forgot to mention that all videos play perfectly fine in MediaPortal, Windows Media Player and MPC-HC. It's just XBMC for some reason, which makes me wonder if it's an XBMC library-related issue rather than a PC driver-related issue...

Either way, I'm more than willing to try the BIOS thing and this AMD patch as soon as I get home tonight!

This is probably the issue: http://support.microsoft.com/kb/895980

bobo1on1 Wrote:This is probably the issue: http://support.microsoft.com/kb/895980

Thanks man, that definitely did the trick! Awesome!

There's a VERY TINY judder every once in a while, but honestly, you have to really be looking to notice it.

Thanks again!