Date: Mon, 18 May 1998 22:06:21 +0200 (CEST) From: Søren Schmidt <sos@FreeBSD.ORG> To: luigi@labinfo.iet.unipi.it (Luigi Rizzo) Cc: sos@FreeBSD.ORG, hasty@rah.star-gate.com, regnauld@deepo.prosa.dk, current@FreeBSD.ORG Subject: Re: ATAPI CDDA Extraction under FreeBSD Message-ID: <199805182006.WAA00312@sos.freebsd.dk> In-Reply-To: <199805181805.UAA07728@labinfo.iet.unipi.it> from Luigi Rizzo at "May 18, 98 08:05:55 pm"
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In reply to Luigi Rizzo who wrote:
> > It should be possible, at least it seems so from testing...
> > Big multi sector transfers post a problem though...
>
> how big is big ? is it 64K or it can be much larger ? In any case,
> it should not be much of a problem given that several atapi drives can
> transfer audio faster than 1x, so a small buffer should suffice.
No most (if not all) disks I've seen has a max of 16 secs at once
ie 8K...
> (and in any case, i fail to see why one would want to grab live
> digital audio data from a CD to pump it straight into the DAC of
> the audio card, when there is a direct analog connection that would
> consume zero cpu and zero bus bandwidth...)
Exactly...
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Søren Schmidt (sos@FreeBSD.org) FreeBSD Core Team
Even more code to hack -- will it ever end
..
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