Hi, I've been having problems playing DVDs under Linux since I bought the iBook back in March. Playing DVDs under OS X works fine, but I'm usually not running OS X.
I've compiled a current benh-kernel (2.4.22-pre4-ben0 right now) and also the dri-trunk modules from Debian unstable. Direct Rendering works (at least glxinfo says so) and I have acceptable framerates in e.g. tuxracer (no less than 33 fps, sometimes in the 50s). Playing divx movies seems to work. No problems there. However when playing DVDs in mplayer the video is very, very slow compared to the audio. When I use -framedrop everything is in sync, but the video is not smooth at all. When I use -hardframedrop, mplayer crashes. In xine (gxine) the video looks like in mplayer with -framedrop. Some more info: I'm using the OSS emulation of ALSA 0.9. This is a huge improvement over the dma_powermac sound driver, with dma_powermac even divx aren't working. Performance seems to be better when using ide-cd instead of of scsi-cd with ide-scsi emulation. Also, `hdparm -c 1 /dev/hdb` (to enable 32-bit IO_Support) hangs my machine. Any suggestions? TIA, Viktor -- Viktor Rosenfeld WWW: http://www.informatik.hu-berlin.de/~rosenfel/
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