cdparanoia



CDPARANOIA(1)                                                    CDPARANOIA(1)




NAME

       cdparanoia  (Paranoia  release III) - an audio CD reading utility which
       includes extra data verification features


DATE

       version III release alpha 9.8 (02 Mar 2001)


SYNOPSIS

       cdparanoia [options] span [outfile]


DESCRIPTION

       cdparanoia retrieves audio tracks from CDDA capable CDROM drives.   The
       data  can  be  saved  to  a file or directed to standard output in WAV,
       AIFF, AIFF-C or raw format.  Most ATAPI, SCSI and  several  proprietary
       CDROM drive makes are supported; cdparanoia can determine if the target
       drive is CDDA capable.

       In addition to simple reading, cdparanoia adds extra-robust data  veri-
       fication,  synchronization,  error  handling and scratch reconstruction
       capability.


OPTIONS

       -v --verbose
              Be absurdly verbose about the autosensing and  reading  process.
              Good for setup and debugging.


       -q --quiet
              Do  not print any progress or error information during the read-
              ing process.


       -e --stderr-progress
              Force output of progress  information  to  stderr  (for  wrapper
              scripts).


       -V --version
              Print the program version and quit.


       -Q --query
              Perform  CDROM  drive autosense, query and print the CDROM table
              of contents, then quit.


       -s --search-for-drive
              Forces a  complete  search  for  a  cdrom  drive,  even  if  the
              /dev/cdrom link exists.


       -h --help
              Print a brief synopsis of cdparanoia usage and options.


       -p --output-raw
              Output  headerless  data as raw 16 bit PCM data with interleaved
              samples in host byte order.  To force little or big endian  byte
              order, use -r or -R as described below.


       -r --output-raw-little-endian
              Output  headerless  data as raw 16 bit PCM data with interleaved
              samples in LSB first byte order.


       -R --output-raw-big-endian
              Output headerless data as raw 16 bit PCM data  with  interleaved
              samples in MSB first byte order.


       -w --output-wav
              Output  data in Micro$oft RIFF WAV format (note that WAV data is
              always LSB first byte order).


       -f --output-aiff
              Output data in Apple AIFF format (note that AIFC data is  always
              in MSB first byte order).


       -a --output-aifc
              Output data in uncompressed Apple AIFF-C format (note that AIFF-
              C data is always in MSB first byte order).


       -B --batch

              Cdda2wav-style batch output flag; cdparanoia will split the out-
              put  into multiple files at track boundaries.  Output file names
              are prepended with ’track#.’


       -c --force-cdrom-little-endian
              Some CDROM drives misreport their endianness (or do  not  report
              it at all); it’s possible that cdparanoia will guess wrong.  Use
              -c to force cdparanoia to treat the drive  as  a  little  endian
              device.


       -C --force-cdrom-big-endian
              As above but force cdparanoia to treat the drive as a big endian
              device.


       -n --force-default-sectors n
              Force the interface backend to do atomic reads of n sectors  per
              read.   This  number  can  be  misleading; the kernel will often
              split read requests into multiple atomic  reads  (the  automated
              Paranoia  code  is  aware  of  this) or allow reads only wihin a
              restricted size range.  This  option  should  generally  not  be
              used.


       -d --force-cdrom-device device
              Force  the interface backend to read from device rather than the
              first readable CDROM drive it finds.  This can be used to  spec-
              ify  devices of any valid interface type (ATAPI, SCSI or propri-
              etary).


       -g --force-generic-device device
              This option is used along with -d when one wants  explicit  con-
              trol  in  setting both the SCSI cdrom and generic devices seper-
              ately. This option is only useful on non-standard SCSI setups.


       -S --force-read-speed number
              Use this option explicitly to set the read rate of the CD  drive
              (where  supported).   This can reduce underruns on machines with
              slow disks, or which are low on memory.


       -t --toc-offset number
              Use this option to force the entire disc LBA addressing to shift
              by the given amount; the value is added to the beginning offsets
              in the TOC.  This can be used to shift track boundaries for  the
              whole disc manually on sector granularity.  The next option does
              something similar...


       -T --toc-bias
              Some drives (usually random Toshibas) report  the  actual  track
              beginning offset values in the TOC, but then treat the beginning
              of track 1 index 1 as sector 0 for all  read  operations.   This
              results  in  every track seeming to start too late (losing a bit
              of the beginning and catching a bit  of  the  next  track).   -T
              accounts  for  this  behavior.  Note that this option will cause
              cdparanoia to attempt to read sectors before or past  the  known
              user  data  area  of  the disc, resulting in read errors at disc
              edges on most drives and possibly  even  hard  lockups  on  some
              buggy hardware.


       -O --sample-offset number
              Use  this  option to force the entire disc to shift sample posi-
              tion output by the given amount; This can be used to shift track
              boundaries  for  the  whole disc manually on sample granularity.
              Note that this will cause cdparanoia to attempt to read  partial
              sectors  before  or  past  the known user data area of the disc,
              probably causing read errors on most drives  and  possibly  even
              hard lockups on some buggy hardware.



       -Z --disable-paranoia
              Disable  all  data  verification  and correction features.  When
              using -Z, cdparanoia reads data exactly as would  cdda2wav  with
              an  overlap  setting  of  zero.   This option implies that -Y is
              active.


       -z --never-skip[=max_retries]
              Do not accept any skips; retry forever if needed.   An  optional
              maximum  number  of  retries  can  be specified; for comparison,
              default without -z is currently 20.


       -Y --disable-extra-paranoia
              Disables intra-read data verification; only overlap checking  at
              read  boundaries  is  performed. It can wedge if errors occur in
              the attempted overlap area. Not recommended.


       -X --abort-on-skip
              If the read skips due to imperfect data,  a  scratch,  whatever,
              abort  reading  this  track.  If output is to a file, delete the
              partially completed file.



OUTPUT SMILIES

         :-)  Normal operation, low/no jitter

         :-|  Normal operation, considerable jitter

         :-/  Read drift

         :-P  Unreported loss of streaming in atomic read operation

         8-|  Finding read problems at same point during reread; hard to  cor-
              rect

         :-0  SCSI/ATAPI transport error

         :-(  Scratch detected

         ;-(  Gave up trying to perform a correction

         8-X  Aborted read due to known, uncorrectable error

         :^D  Finished extracting



PROGRESS BAR SYMBOLS

       <space>
              No corrections needed

          -   Jitter correction required

          +   Unreported loss of streaming/other error in read

          !   Errors  found  after stage 1 correction; the drive is making the
              same error through multiple re-reads, and cdparanoia  is  having
              trouble detecting them.

          e   SCSI/ATAPI transport error (corrected)

          V   Uncorrected error/skip



SPAN ARGUMENT

       The  span  argument  specifies  which  track,  tracks or subsections of
       tracks to read.  This argument is required.  NOTE: Unless the span is a
       simple number, it’s generally a good idea to quote the span argument to
       protect it from the shell.

       The span argument may be a simple track number or an offset/span speci-
       fication.  The syntax of an offset/span takes the rough form:

       1[ww:xx:yy.zz]-2[aa:bb:cc.dd]

       Here,  1  and  2  are  track numbers; the numbers in brackets provide a
       finer grained offset within a particular  track.  [aa:bb:cc.dd]  is  in
       hours/minutes/seconds/sectors  format.  Zero  fields need not be speci-
       fied: [::20], [:20], [20], [20.], etc, would be interpreted  as  twenty
       seconds,  [10:] would be ten minutes, [.30] would be thirty sectors (75
       sectors per second).

       When only a single offset is supplied, it is interpreted as a  starting
       offset  and ripping will continue to the end of the track.  If a single
       offset is preceeded or followed by a hyphen, the implicit missing  off-
       set is taken to be the start or end of the disc, respectively. Thus:


       1:[20.35]
              Specifies  ripping from track 1, second 20, sector 35 to the end
              of track 1.

       1:[20.35]-
              Specifies ripping from 1[20.35] to the end of the disc

       -2     Specifies ripping from the beginning of  the  disc  up  to  (and
              including) track 2

       -2:[30.35]
              Specifies ripping from the beginning of the disc up to 2:[30.35]

       2-4    Specifies ripping from the beginning of track 2 to  the  end  of
              track 4.

       Again,  don’t  forget to protect square brackets and preceeding hyphens
       from the shell.



EXAMPLES

       A few examples, protected from the shell:

       Query only with exhaustive search for a drive  and  full  reporting  of
       autosense:

              cdparanoia -vsQ

       Extract an entire disc, putting each track in a seperate file:

              cdparanoia -B

       Extract from track 1, time 0:30.12 to 1:10.00:

              cdparanoia "1[:30.12]-1[1:10]"

       Extract from the beginning of the disc up to track 3:

              cdparanoia -- "-3"

       The "--" above is to distinguish "-3" from an option flag.


OUTPUT

       The output file argument is optional; if it is not  specified,  cdpara-
       noia  will  output  samples  to one of cdda.wav, cdda.aifc, or cdda.raw
       depending on whether -w, -a, -r or -R  is  used  (-w  is  the  implicit
       default).  The output file argument of - specifies standard output; all
       data formats may be piped.



ACKNOWLEDGEMENTS

       Cdparanoia sprang from and once drew  heavily  from  the  interface  of
       Heiko   Eissfeldt’s   (heiko@colossus.escape.de)   ’cdda2wav’  package.
       Cdparanoia would not have happened without it.

       Joerg Schilling has also contributed SCSI expertise through his generic
       SCSI transport library.



AUTHOR

       Monty <monty@xiph.org>

       Cdparanoia’s homepage may be found at:

                            http://www.xiph.org/paranoia/



                                                                 CDPARANOIA(1)

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