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Date:      Mon, 18 Sep 2000 14:03:18 +0400
From:      "Valeriy E. Ushakov" <uwe@ptc.spbu.ru>
To:        freebsd-multimedia@FreeBSD.ORG
Cc:        Soren Schmidt <sos@freebsd.dk>
Subject:   acd*t* (Re: vcd)
Message-ID:  <20000918140318.B931@snark.ptc.spbu.ru>
In-Reply-To: <200009180918.LAA67104@freebsd.dk>; from "Soren Schmidt" on Mon, Sep 18, 2000 at 11:18:56
References:  <Pine.BSF.4.21.0009181101370.11707-100000@daneel.foundation.hs> <200009180918.LAA67104@freebsd.dk>

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On Mon, Sep 18, 2000 at 11:18:56 +0200, Soren Schmidt wrote:

> On FreeBSD you should just open the device, set the blocksize via
> the right ioctl, and the read normally from the device. There is
> no longer a need for the ioctl hacks....

We still need to MFC the code to create /dev/acd*t* in MAKEDEV (rev
1.270).

I created acd0t[1-9] devices manually and tried to read a first track
off an audio CD with dd(1), just as you suggest in the commit message
and it seems it dumped the whole CD on me (550+ megs).

I tried to read the mpeg track (/dev/acd0t2) of the VCD with bs=2352
and it fails with I/O error.  Also, when I dd off the /dev/acd0t1 of
the VCD (bs=2048) it reads some data and then fails with I/O error, I
guess it tries to read into the second track (that has different bs)
and fails.

If you need a -stable guinea pig for acd*t* , I'll be glad to be one.

Thank you.

SY, Uwe
-- 
uwe@ptc.spbu.ru                         |       Zu Grunde kommen
http://www.ptc.spbu.ru/~uwe/            |       Ist zu Grunde gehen


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