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I've searched the forum and havnen't found a solution for what I'm experiencing. The hits I'm getting on my searches are for problems due to codecs or having an older version of a player or kernel. I've got Fedora Core 2 loaded on my laptop and have used yum with additional source locations to install Xine (using kaffeine for gui), mplayer, and the kdeplayer (don't remember the exact name right now). I've used yum update and upgrade for all available patches and am running the 2.6.8 kernel. Both Kaffeine and KDEplayer will play avi, mpg, and DVD vob files for me but they are both very slow. I'm not getting the playback speed as I do when booted in Microsoft.
I've played around with hdparm to enable dma and speed up the drive as much as possible.
The hardware is a Compaq Presario 2575 laptop, with an ATI RADEON (M6) 4X AGP video card. I've already changed from the default video card setup by Fedora to Radeon (generic) I believe it is.
I have 1 gig of ram in the laptop and 32mb shared to video. I don't know if it would make a difference or not but I can allocate more to the video in the BIOS.
Has anyone else experieced slow and choppy playback with Radeon cards or a similar problem with different equipment? Obviously since it's a laptop I can't just change cards. When I was using Suse 9 and Mandrake 10 the playback was normal so I'm sure the problem is my lack of experience with Fedora and its config files.
Turns out to be a noob problem. I didn't pay enough attention to the hdparm options and didn't see the switch to save the settings so the dma would only be enabled until a reboot. I found that there are built-in Radeon mobile M6 AGP driver. The problems are gone now, I guess I should have spent more time reading my konsole window instead of searching the forum