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Subject: Re: Buffer Underrun
From: Linus Nielsen Feltzing (linus_at_haxx.se)
Date: 2003-01-13


gerald clark wrote:
> It does not appear to be calculating the watermark on the first play.

The watermark calculation is based on the hard drive spinup time, which
is measured when the drive spins up. Tus, no watermark calculation can
be done until that time is measured, that is when the drive spins up
again after being idle.
Until then, the default value of 0x60000 is used.

> It does not appear to read the Anti skip value unless you change it.

The watermark calculation includes the anti-skip time, and will not be
used until the next spin-up.

/Linus



Page was last modified "Jan 10 2012" The Rockbox Crew
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