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crispy_420 12-03-2005 12:35 AM

choppy media player on DVD?
Anyone else getting choppy play on media players for DVD?

No matter what media player I use to watch a DVD, except MPlayer(which doesn't support menues), I get very choppy frames. Massive amounts of lost frames. It is like watching it at 10fps.

What is the cause? Gstreamer?

It happens on laptop and desktop.



P4 2.0GHz 400MHz FSB
1024MB DDR
ATI 9800 Pro
WD 100GB harddrive (7200rpm)


Athlon M 2800+
Onboard graffics
40GB (5400rpm)

Do I need to try a different backend or something for DVD players? Never had this issue in FC4 or Mandriva. That is why I'm thinking Gstreamer since I don't think I installed it in FC4.

As a side note this is why I uninstalled Ubuntu from my laptop and went back to WinXP. Help me go back to atleast a dual boot setup.

I just read on another post that Xorg is a system hog, is that the issue? Is it possible to use Xfree instead?

Is DMA my issue? If so how do I permanently enable it?

tskears 12-03-2005 02:13 AM

The only time I've seen this it was, as you guessed, disabled DMA. You can try enabling DMA by switching to root and using: hdparm -d1 /dev/hdx
where /dev/hdx is your DVD drive. Be aware that if there is a problem with setting DMA on your system, this will *almost certainly* result in the system freezing (trust me, I've been there).

The good news is that it isn't permanent and will revert to disabled DMA on restart. If it DOES work, you can add this to one of the startup scripts. I have done it long, long ago... in a galaxy far, far away... but I can't remember how...

Someone... HELP!


crispy_420 12-03-2005 08:40 PM

Ok I found the answer on the Ubuntu forum. If antone is interested this is how you set DMA, which was my problem. After a simple change it works perfectly after reboot.

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