Date: Wed, 26 Apr 2000 21:11:04 +0200 (CEST) From: Marc van Woerkom <van.woerkom@netcologne.de> To: freebsd-multimedia@freebsd.org Subject: Copy protected CD Audio Message-ID: <200004261911.VAA04908@oranje.my.domain>
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The latest volume of the "Techno Club" sampler comes with
copy protection - my first audio CD of that kind.
Last time I had to deal with such crap was with protected
Apple ][ floppies more than ten years ago.
The lesson from that time was that interested parties still
were able to circumvent the measures, while making life
less comfortable.
In this particular case I tried the CD in the ATAPI
drive of a NT box - the drive seeks to death.
The cdrom drive in a 5000$ IBM Thinkpad under OS/2 had no
troubles with it, even digital transfer was possible.
Under FreeBSD, in an old Pioneer DR-U12X SCSI drive,
I can enter it for the first time and do a TOC request
marc@oranje$ cdcontrol info
cdcontrol: no CD device name specified, defaulting to /dev/cd0c
Starting track = 1, ending track = 15, TOC size = 4 bytes
track start duration block length type
-------------------------------------------------
1 0:02.00 6:17.20 0 28145 audio
2 6:17.20 7:25.70 28145 33295 audio
3 13:41.15 6:00.39 61440 26889 audio
4 19:39.54 4:40.03 88329 20853 audio
5 24:17.57 4:47.40 109182 21415 audio
6 29:03.22 4:52.50 130597 21800 audio
7 33:53.72 6:40.10 152397 29860 audio
8 40:32.07 6:02.63 182257 27063 audio
9 46:32.70 4:18.30 209320 19230 audio
10 50:49.25 5:35.67 228550 25042 audio
11 56:23.17 6:52.73 253592 30823 audio
12 63:14.15 2:31.12 284415 11187 audio
13 65:43.27 4:52.48 295602 21798 audio
14 70:34.00 4:47.00 317400 21375 audio
15 75:19.00 12:22.17 338775 55517 data
170 87:39.17 - 394292 - -
marc@oranje$
and play it via "cdcontrol play" (thus analog transfer).
No luck with digital transfers yet.
It also seems that the CD-ROM driver can get confused.
One of the reasons seems to be the data track at 75:19.00,
which end 87:39.17 looks like lying outside the real CD.
Copy or not, I hate it, when I can't play my CDs reliable
on my computer - anyone has been nagged by similiar discs?
Regards,
Marc
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