On Mon, 23 Aug 2004, Anne Wilson wrote:
> Could it be disk access that's too slow? I keep meaning to try hdparm on it,
Yes indeed it could. If it's not using UDMA then the programmed I/O
overhead will use so much system/kernel time that program performance
or audio timing will suffer.
> fast enough to handle professional dvds, so I don't think it's cpu or
> graphics card. Hard disk sounds more likely to me. What do you think?
It's a good candidate for causing the problem. Lower (SVCD)
rates play fine but as the amount of data/second increases so does
the system overhead, eventually causing a noticeable problem.
If you have a system monitoring tool available it would be interesting
to start that and observe the system's behaviour. 'xosview' is a good
tool with color coded status indicators - if you see a high percentage
of "system" (kernel) time then you have found the problem area.
Cheers,
Steven Schultz
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