Re: listening to protected audio cds
- From: Antonio Olivares <olivares14031@xxxxxxxxx>
- Date: Thu, 27 Dec 2007 17:58:40 -0800 (PST)
--- Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> wrote:
On Sat, 22 Dec 2007 14:52:09 -0800
Konstantin Svist <fry.kun@xxxxxxxxx> wrote:
Hi all,in Linux/Fedora?
Is there a way to listen to "protected" audio CDs
It seems that most of the time, the CD can't beread at all. Sometimes,
the system is able to read it after trying for 20minutes or so - but
it's not consistent (next time it says can't readthe CD)
listening to them.
Why is it possible on windows but not on Linux?
Note I'm not talking about ripping CD - just
If you've got a corrupted piece of shiny plastic
(note the ones with
deliberate corruptions are not a 'compact disc' as
that is a trademark
reserved for describing real ones) then what happens
depends a lot on the
disc itself
Some sneakily install windows drivers and play mp3
type copies on a PC,
others have corruptions so you can play them via an
audio cable but not
digitally - if so cdplay will play them but not
tools that digitally
rip/play for better quality. Others contain corrupt
headers which will
just break on PC hardware.
Alan
--
Has the OP tried playing using cdda2wav an example
$ cdda2wav -eN dev=/dev/sr0 -t1
plays track 1 from cdrom0,
It can play from command line and get information from
cd,
[olivares@localhost ~]$ cdda2wav -eN dev=/dev/sr1 -t1
Type: ROM, Vendor 'TSSTcorp' Model 'CD/DVDW SH-S182D'
Revision 'SB03' MMC+CDDA
569344 bytes buffer memory requested, 4 buffers, 55
sectors
#icedax version 1.1.6, real time sched., soundcard,
libparanoia support
AUDIOtrack pre-emphasis copy-permitted tracktype
channels
1-22 no yes audio 2
Table of Contents: total tracks:22, (total time
58:13.44)
1.( 2:23.66), 2.( 2:31.05), 3.( 2:18.09), 4.(
2:52.00), 5.( 2:34.61),
6.( 2:27.74), 7.( 2:34.49), 8.( 2:12.21), 9.(
2:32.00), 10.( 2:22.62),
11.( 2:18.64), 12.( 2:54.14), 13.( 2:52.14), 14.(
2:51.03), 15.( 3:08.53),
16.( 3:02.29), 17.( 2:37.74), 18.( 2:24.26), 19.(
2:59.41), 20.( 2:39.26),
21.( 2:41.15), 22.( 2:54.13)
Table of Contents: starting sectors
1.( 0), 2.( 10791), 3.( 22121), 4.(
32480), 5.( 45380),
6.( 56991), 7.( 68090), 8.( 79689), 9.(
89610), 10.( 101010),
11.( 111722), 12.( 122136), 13.( 135200), 14.(
148114), 15.( 160942),
16.( 175095), 17.( 188774), 18.( 200623), 19.(
211449), 20.( 224915),
21.( 236866), 22.( 248956), lead-out( 262019)
CDINDEX discid: Chei203NkxAqGhFkNndwCrbxCt0-
CDDB discid: 0x240da516
CD-Text: detected
CD-Extra: not detected
samplefile size will be 25380476 bytes.
recording 143.8799 seconds stereo with 16 bits @
44100.0 Hz
cdda2wav: Operation not permitted. cannot set posix
realtime scheduling policy
percent_done:
4%
W Child exited with 2
[olivares@localhost ~]$ cdda2wav --help
usage: icedax [OPTIONS ...] [trackfilenames ...]
OPTIONS:
[-c chans] [-s] [-m] [-b bits] [-r rate] [-a
divider] [-S speed] [-x]
[-t track[+endtrack]] [-i index] [-o offset]
[-d duration] [-F] [-G]
[-q] [-w] [-v vopts] [-R] [-P overlap] [-B]
[-T] [-C input-endianess]
[-e] [-n sectors] [-N] [-J] [-L cddbp-mode]
[-H] [-g] [-l buffers] [-D cd-device]
[-I interface] [-K sound-device] [-O
audiotype] [-E output-endianess]
[-A auxdevice] [-paranoia]
[-cddbp-server=name] [-cddbp-port=port] [-version]
(-D) dev=device set the cdrom or scsi
device (as Bus,Id,Lun).
(-A) auxdevice=device set the aux device
(typically /dev/cdrom).
(-K) sound-device=device set the sound device
to use for -e (typically /dev/dsp).
(-I) interface=interface specify the interface
for cdrom access.
(generic_scsi or cooked_ioctl).
(-c) channels=channels set 1 for mono, 2 or s
for stereo (s: channels swapped).
(-s) -stereo select stereo
recording.
(-m) -mono select mono recording.
(-x) -max select maximum quality
(stereo/16-bit/44.1 KHz).
(-b) bits=bits set bits per sample
per channel (8, 12 or 16 bits).
(-r) rate=rate set rate in samples
per second. -R gives all rates
(-a) divider=divider set rate to 44100Hz /
divider. -R gives all rates
(-R) -dump-rates dump a table with all
available sample rates
(-S) speed=speedfactor set the cdrom drive to
a given speed during reading
(-P) set-overlap=sectors set amount of overlap
sampling (default is 0)
(-n) sectors-per-request=secs read 'sectors' sectors
per request.
(-l) buffers-in-ring=buffers use a ring buffer with
'buffers' elements.
(-t) track=track[+end track] select start track
(option. end track).
(-i) index=index select start index.
(-o) offset=offset start at 'offset'
sectors behind start track/index.
one sector equivalents 1/75 second.
(-O) output-format=audiotype set to wav, au (sun),
cdr (raw), aiff or aifc format.
(-C) cdrom-endianess=endian set little, big or
guess input sample endianess.
(-E) output-endianess=endian set little or big
output sample endianess.
(-d) duration=seconds set recording time in
seconds or 0 for whole track.
(-w) -wait wait for audio signal,
then start recording.
(-F) -find-extremes find extrem amplitudes
in samples.
(-G) -find-mono find if input samples
are mono.
(-T) -deemphasize undo pre-emphasis in
input samples.
(-e) -echo echo audio data to
sound device (see -K) SOUND_DEV.
(-v) verbose-level=optlist controls verbosity
(for a list use -vhelp).
(-N) -no-write do not create audio
sample files.
(-J) -info-only give disc information
only.
(-L) cddb=cddbpmode do cddbp title
lookups.
resolve multiple entries according to
cddbpmode: 0=interactive, 1=first entry
(-H) -no-infofile no info file
generation.
(-g) -gui generate special
output suitable for gui frontends.
(-Q) -silent-scsi do not print status of
erreneous scsi-commands.
-scanbus scan the SCSI bus and
exit
--devices scan for system
devices and print with native names
(-M) md5=count calculate MD-5
checksum for blocks of 'count' bytes.
(-q) -quiet quiet operation, no
screen output.
(-p) playback-realtime=perc play (echo) audio
pitched at perc percent (50%-200%).
(-V) -verbose-scsi each option increases
verbosity for SCSI commands.
(-h) -help show this help screen.
(-B) -alltracks, -bulk record each track into
a seperate file.
-paranoia use the lib paranoia
for reading.
-paraopts=opts set options for lib
paranoia (see -paraopts=help).
-cddbp-server=servername set the cddbp server
to use for title lookups.
-cddbp-port=portnumber set the cddbp port to
use for title lookups.
-version print version
information.
Please note: some short options will be phased out
soon (disappear)!
parameters: (optional) one or more file names or - for
standard output.
Version 1.1.6
defaults stereo, 16 bit, 44100.00 Hz, track 1,
no offset, one track,
type wav 'audio', don't wait for signal, not
quiet,
use generic_scsi, device /dev/cdrom, aux
/dev/cdrom
[olivares@localhost ~]$
If this does not work, please let me know. It has
worked for me in the past. It lets you also rip the
cd to wav files which can later be burned to make a
non protected cd for your personal use.
Regards,
Antonio
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