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Date:      Sat, 26 Sep 2009 12:39:51 +0200
From:      Hans Petter Selasky <hselasky@c2i.net>
To:        freebsd-current@freebsd.org, mav@freebsd.org
Subject:   Re: 8-current + USB CD-ROM drive + CAM layer audio extraction from CD
Message-ID:  <200909261239.52792.hselasky@c2i.net>
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Hi,

It turns out the xmms is not able to read audio from CD's due to a removed 
IOCTL. cdparanoia is however able to read audio from CD's after a recompile 
including libcam.

static int
cdrom_read_audio(int cdfd, int lba, char *buf, int btw)
{
        int rtr = 3;
        do {
                struct ioc_read_audio ira;
                ira.buffer = buf;
                ira.nframes = btw;
                ira.address_format = CD_MSF_FORMAT;
                ira.address.msf.minute = lba / (75 * 60);
                ira.address.msf.second = (lba / 75) % 60;
                ira.address.msf.frame = lba % 75;
                if (ioctl(cdfd, CDIOCREADAUDIO, &ira) >= 0)
                        return ira.nframes;
        } while (--rtr >= 0);
        return -1;
}

The "CDIOCREADAUDIO" is not implemented in the FreeBSD 8/9-current kernel from 
what I can see.

--HPS

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