[MPlayer-users] Audio skips (fu:AC3 passthrough on SB Live! 5.1, audio skips)

[CrimeDog]

W liście z pią, 23-07-2004, godz. 21:31, Jan Engelhardt pisze: 
> Hello,
> 
> 
> reference:
> http://www1.mplayerhq.hu/pipermail/mplayer-users/2002-May/014594.html
> 
> >>>I just found out (trying out the Dolby Digital Demos) that the video
> >>>stream actually skips with the audio stream (not every time, but most of
> >>>the time (someskips seem to short for the eye to notice)).
> >>
> >>yea, my impression is that alsa skips if the system is under high load.
> >
> >Yes, it does skip more if I have a high load, but only mplayer playing a DVD
> >on a Dual PIII-800 (about 20-25% usage max on each processor) is not really
> >what I call high load, and although the skips are less, they do not
> >disappear. :(
> 
> 
> I have similar problems. Whenever the system is under load -- more precisely
> io load, i.e. hard disk activity -- mplayer tends to skip audio data.
> I am using Linux 2.6.5(-SuSE7.95) with its bundled ALSA driver (cs46xx). Both
> of -ao alsa1x and -ao pcm (=OSS emulation) of MPlayer 1.0pre4 and pre5 do skip
> audio under load. (Such as dd if=/dev/zero of=test count=999999 bs=4096)
> 
> Audio is not skipped if I use the true OSS module for cs46xx. Applications such
> as ogg123/mpg123 don't skip at all in any case.
> 
> If, it skips rapidly so that within two "reality" seconds, already one minute
> of audio has passed (lots of, but not noisy highfreq pops, like soft static)
> 
> If you need more info, please let me know.

Do you have DMA enabled?

-- 
Z uszanowaniem:
Konrad Materka