[Mplayer-users] Minimum hardware
pavel.rybin at ntlworld.com
Sat Sep 22 21:10:43 CEST 2001
Are you playing movies from an ide cd drive? If yes, you
should enable dma access for it.
(Supposedly, there is a risk of losing data when using dma on
some bad hardware, but in the case of a cdrom drive, that
seems as a non-issue to me.)
I had problems similar to the ones you describe on a 900MHz
Athlon, and thought that the problem was with mplayer.
After trying dma however, not only was it faster to copy files
from cd, the cpu usage during copying was much lower too!
Basically, do a
/sbin/hdparm -d /dev/cdrom
this should tell you whether dma is enabled or not.
To actually enable it, use
/sbin/hdparm -d1 /dev/cdrom
Also, have a look at the hdparm man page for more info on
how to tweak ide drives.
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