NAME
cdrdao - writes audio CD-Rs in disc-at-once mode
SYNOPSIS
cdrdao
{show-toc|read-toc|read-cd|read-cddb|show-data|read-test|disk-info|msinfo|unlock|simulate|write|copy|blank}
[--device device] [--source-device
device] [--driver driver-id]
[--source-driver driver-id] [--simulate]
[--speed writing-speed] [--blank-mode
mode] [--datafile file] [--read-raw]
[--read-subchan [--no-mode2-mixed] mode]
[--tao-source] [--tao-source-adjust
link-blocks] [--fast-toc] [--buffers
buffer-count] [--multi] [--overburn]
[--eject] [--swap] [--session]
[--force] [--reload] [--keepimage]
[--on-the-fly] [--paranoia-mode mode]
[--with-cddb] [--cddb-servers server-list]
[--cddb-timeout timeout] [--cddb-directory
directory] [--tmpdir directory]
[--keep] [--save] [-n] [-v
verbose-level] toc-file
DESCRIPTION
cdrdao creates audio and data CD-Rs in
disk-at-once (DAO) mode driven by a description file called
toc-file. In DAO mode it is possible to create non standard
track pre-gaps that have other lengths than 2 seconds and contain
nonzero audio data. This is for example useful to divide live
recordings into tracks where 2 second gaps would be kind of
irritating.
Instead of a toc-file a cue file (used by a famous
DOS/Windows mastering tool) may be used. See the CUE FILES section
for more details.
COMMANDS
- The first argument must be one of the following commands:
- show-toc
- Print out a summary about what will be written to the CD-R.
- read-toc
- Analyze each track of the inserted CD and create a
toc-file that can be used to make a more or less exact copy
of the CD. This command does not read out the audio or data tracks,
use read-cd for this purpose.
You can specify a filename for the data file via the
--datafile option.
- read-cd
- Copies all tracks of the inserted CD to an image file and
creates a corresponding toc-file. The name of the image file
defaults to "data.bin" if no --datafile option is given.
- read-cddb
- Tries to retrieve title and artist data from a CDDB server for
- Tries to retrieve title and artist data from a CDDB server for
the CD represented by the given toc-file. The retrieved data is
added as CD-TEXT data for language 0 to the toc-file. Existing
CD-TEXT data for language 0 will be overwritten.
- show-data
- Print out all samples that would be written to the CD-R. Each
line contains the sample number (starting at 0) and the decimal
sample value for the left and right channel. Useful to check if the
byte order of audio files is correct.
- read-test
- Check if all data can be read from the audio files that are
defined in the toc-file. This will also check the
communication with the slave process that is responsible for
writing the audio data to the CD-recorder. Mainly used for testing.
- disk-info
- Shows information about the inserted CD-R. If the CD-R has an
open session it will also print the start of the last and current
session which is used by mkisofs to create an image for a second or
higher session.
- msinfo
- Shows information required for creating multi session disks
with mkisofs. The output is meant for processing by scripts.
- unlock
- Tries to unlock the recorder device after a failed write or
simulation run. If you cannot eject the CD after a cdrdao run try
this command.
- blank
- Blanks a CD-RW. The CD-RW is minimally blanked by default. Use
option --blank-mode to select another blanking mode.
Sometimes the blanking speed must be manually reduced for a
successful blanking operation. Use option --speed to select
another blanking speed.
- simulate
- Like write but laser stays cold. It is a shortcut for
write--simulate.
- write
- Write the CD-R according to the specifications in the
toc-file.
- copy
- Performs all steps to copy a CD. The device containing the
source CD must be specified with option --source-device and
the recorder device with option --device. If only a single
device is available the option --source-device must be
omitted and cdrdao will prompt to insert the CD-R after an image of
the source CD was created.
The image file with name "cddata<pid>.bin" will be created
in the current working directory if no --datafile option is
given. The created image will be removed after it has been written.
If option --on-the-fly is given no image file is created
and the data will be directly piped from the reading device to the
CD recorder.
OPTIONS
- --device [prot:]bus,id,lun
- Sets the SCSI address of the CD-recorder in form of a
bus/id/lun triple, e.g. '0,2,0' for the logical unit 0 of SCSI
device with ID 2 on bus 0. ATAPI devices can be specified by using
the prefix 'ATAPI:', e.g. 'ATAPI:0,0,0'. On some systems a device
node may be specified directly, e.g. '/dev/sg0' on Linux systems.
Linux 2.6 users may also try the newer ATAPI interface with the
'ATA:' prefix.
- --source-device [prot:]bus,id,lun
- Like above but used for the copy command to specify the
source device.
- --driver driver-id:option-flags
- Force usage of specified driver instead of the automatically
determined driver. Available driver IDs:
cdd2600, plextor, plextor-scan, generic-mmc, generic-mmc-raw,
ricoh-mp6200, yamaha-cdr10x, teac-cdr55, sony-cdu920, sony-cdu948,
taiyo-yuden, toshiba.
Specifying an illegal driver ID will give a list of available
drivers. Option flags may be used to modify the behavior of some
drivers. See README for details.
- --source-driver driver-id:option-flags
- Like above but used for the device specified with option
--source-device.
- --speed value
- Set the writing speed to value. Default is the highest
possible speed.
- --blank-mode mode
- Sets the blanking mode. Available modes are full and
minimal. Please consider that the data of minimally blanked
disks may be easily recovered. Use the full blanking mode
for completely erasing all data. The default blanking mode is
minimal.
- --datafile file
- Used for read-toc,read-cd and copy. Set
the default data file placed in the toc-file by
read-toc.Use-toindicateSTDIN.
For commands read-cd and copy it specifies the name
of the created image file.
- --read-raw
- Only used for commands read-cd and read-toc. All
data sectors will be written as 2352 byte blocks including the
sector header and L-EC data to the image file. The track mode will
be set to MODE1_RAW or MODE2_RAW in the created toc-file.
- --read-subchan mode
- Used by commands read-cd, read-toc and
copy. Specifies the type of sub-channel data that is
extracted from the source CD and written to the track image or
copied to the destination CD. Mode may be rw for reading
packed R-W sub-channel data (de-interleaved and error corrected)
and rw_raw for reading raw R-W sub-channel data (not
de-interleaved, not error corrected, L-EC data included in the
track image). If this option is not specified no sub-channel data
will be extracted.
- --no-mode2-mixed
- Only used for commands read-cd and read-toc. If
we have MODE2_FORM1 or MODE2_FORM2, don't extract it as
MODE2_FORM_MIX. toc-file.
- --tao-source
- This option indicates to the commands read-toc and
read-cd that the source CD was written in TAO mode. It will
be assumed that the pre-gap length between all tracks (except
between two audio tracks) is the standard 150 blocks plus the
number of link blocks (usually 2). The number of link blocks can be
controlled with option --tao-source-adjust.
Use this option only if read-toc or read-cd give
error messages in the transition areas between two tracks. If you
use this option with pressed CDs or CDs written in DAO mode you
will get wrong results.
- --tao-source-adjust link-blocks
- Specifies the number of link blocks for tracks written in TAO
mode. This option has only an effect if option --tao-source
is given.
- --fast-toc
- Only used for command read-toc. This option suppresses
the pre-gap length and index mark extraction which speeds up the
read-toc process. Standard 2 second pre-gaps (but no silence!) will
be placed into the toc-file. The resulting CD will sound like the
source CD. Only the CD player's display will behave slightly
different in the transition area between two tracks.
This option might help, too, if read-toc fails with your drive
otherwise.
- --buffers buffer-count
- Specifies the number of buffers that are allocated to avoid
buffer under runs. The minimal buffer count is fixed to 10, default
is 32 except on FreeBSD systems, on which default is 20. Each
buffer holds 1 second of audio data so that dividing
buffer-count by the writing speed gives the maximum time for
which reading of audio data may be stalled.
- --multi
- If this option is given the session will not be closed after
the audio data is successfully written. It is possible to append
another session on such disks, e.g. to create a CD-EXTRA.
- --overburn
- By default cdrdao will not allow to write more data on a medium
than specified by the current medium. This option allows to ignore
this condition.
- --eject
- Eject the CD-R after writing or write simulation.
- --swap
- Swap the byte order of all samples that are send to the
CD-recorder.
- --session session-nr
- Used for read-toc and read-cd to specify the
session which should be processed on multi session CDs.
- --reload
- Indicates that the tray may be opened before writing without
prompting the user to reset the disk status after a simulation run.
- --force
- Forces the execution of an operation that otherwise would not
be performed.
- --paranoia-mode mode
- Sets the correction mode for digital audio extraction. 0: No
checking, data is copied directly from the drive. 1: Perform
overlapped reading to avoid jitter. 2: Like 1 but with additional
checks of the read audio data. 3: Like 2 but with additional
scratch detection and repair.
The extraction speed reduces from 0 to 3.
Default is the full paranoia mode (3).
- --keepimage
- If a CD is copied with command copy this option will
cause that the created image is not removed after the copy process
has finished.
- --on-the-fly
- Perform CD copy on the fly without creating an image file.
- --with-cddb
- Enables the automatic fetching of CDDB data for use as CD-TEXT
data for commands copy, read-toc and read-cd.
- --cddb-servers server-list
- Sets space or ',' separated list of CDDB servers used for
command read-cddb or for commands where the
--with-cddb option is active. A server entry may have the
following forms:
- <server>
- Connect to <server>, default cddbp port (888), use cddbp
protocol.
- <server>:<port>
- Connect to <server>, port <port>, use cddbp
protocol.
- <server>:<cgi-bin-path>
- Connect to <server>, default http port (80), use http
protocol, url: <cgi-bin-path>.
- <server>:<port>:<cgi-bin-path>
- Connect to <server>, port <port>, use http
protocol, url: <cgi-bin-path>.
-
<server>:<port>:<cgi-bin-path>:<proxy-server>
- Connect to <proxy-server>, default http port (80), use
http protocol, url:
http://<server>:<port>/<cgi-bin-path>.
-
<server>:<port>:<cgi-bin-path>:<proxy-server>:<proxy-port>
- Connect to <proxy-server>, port <proxy-port>, use
http protocol, url:
http://<server>:<port>/<cgi-bin-path>.
The <cgi-bin-path> is usually "/~cddb/cddb.cgi".
All servers of the server list will be tried in the given order
until a successful connection can be established. For http proxy
servers the first successful connected http proxy server will be
used independent of the ability to connect to the target http
server.
Example: freedb.freedb.org:/~cddb/cddb.cgi
- --cddb-timeout timeout
- Sets the timeout in seconds used for connections to CDDB
servers.
- --cddb-directory directory
- Specifies the local CDDB database directory where fetched CDDB
records will be stored. If this option is not given a fetched CDDB
record will not be stored locally.
- --tmpdir directory
- Specifies the directory in which to store temporary data files
created from decoding MP3 and Ogg Vorbis files. By default, "/tmp"
is used.
- --keep
- Upon exit from cdrdao, do not delete temporary WAV files
created from MP3 and Ogg Vorbis files.
- --save
- Saves some of the current options to the settings file
"$HOME/.cdrdao" and exit. See section 'SETTINGS' for more details.
- -n
- Suppresses the 10 second pause before writing or simulating.
- -v verbose-level
- Sets verbose level. Levels > 2 are debug levels which
produce a lot of output.
TOC FILES
The toc-file describes what data is
written to the CD-R and allows control over track/index positions,
pre-gaps and sub-channel information. It is a simple text file, use
your favorite text editor to create it.
A toc-file contains an optional header and a sequence of
track specifications. Comments starting with '//' reaching until
end of line can be placed anywhere.
Header
- CATALOG ddddddddddddd
- Specifies the optional catalog number of the CD. The string
must contain exactly 13 digits.
The following flags specify the type of session that will be
created. It is used to create the correct CD-TOC format and to
check the consistency of the track modes for the desired session
type. If multiple flags are given the last one will take effect.
- CD_DA
- The disc contains only audio tracks.
- CD_ROM
- The disc contains just mode 1 tracks or mode 1 and audio tracks
(mixed mode CD).
- CD_ROM_XA
- The disc contains mode 2 form 1 or mode 2 form 2 tracks. Audio
tracks are allowed, too. This type must be used if multi session
disks are created (option --multi).
- CD_TEXT { ... }
- Defines global CD-TEXT data like the album title and the used
- Defines global CD-TEXT data like the album title and the used
languages. See the CD-TEXT section below for the syntax of the
CD-TEXT block contents.
Track Specification
- TRACK <track-mode> [<sub-channel-mode>]
- Starts a new track, the track number is incremented by 1. The
length of a track must be at least 4 seconds. The block length of
the input data depends on the <track-mode>: AUDIO: 2352 bytes
(588 samples), MODE1: 2048 bytes, MODE1_RAW: 2352 bytes, MODE2:
2336 bytes, MODE2_FORM1: 2048 bytes, MODE2_FORM2: 2324 bytes,
MODE2_FORM_MIX: 2336 bytes including the sub-header, MODE2_RAW:
2352 bytes. The <sub-channel-mode> is optional. If given it
specifies the type of sub-channel data for each sector. RW: packed
R-W sub-channel data (96 bytes, L-EC data will be generated if
required), RW_RAW: raw R-W sub-channel data (interleaved and L-EC
data already calculated, 96 bytes). The block length is increased
by the sub-channel data length if a <sub-channel-mode> is
specified. If the input data length is not a multiple of the block
length it will be padded with zeros.
The following flags may follow the track start statement. They
are used to set sub-channel information for the current track. Each
flag is optional. If not given the following defaults are used:
copy not permitted, no pre emphasis, two channel audio, no ISRC
code.
- [ NO ] COPY
- Sets or clears the copy permitted flag.
- [ NO ] PRE_EMPHASIS
- Sets or clears the pre emphasis flag (only for audio tracks).
- TWO_CHANNEL_AUDIO
- Indicates that track contains two channel audio data (only for
audio tracks).
- FOUR_CHANNEL_AUDIO
- Indicates that track contains four channel audio data (only for
audio tracks).
- ISRC CCOOOYYSSSSS
- Sets ISRC code of track (only for audio tracks).
C: country code (upper case letters or digits)
O: owner code (upper case letters or digits)
Y: year (digits)
S: serial number (digits)
An optional CD-TEXT block that defines the CD-TEXT data for this
track may follow. See the CD-TEXT section below for the syntax of
the CD-TEXT block contents.
- CD_TEXT { ... }
At least one of the following statements must appear to specify
the data for the current track. Lengths and start positions may be
expressed in samples (1/44100 seconds) for audio tracks or in bytes
for data tracks. It is also possible to give the length in blocks
with the MSF format 'MM:SS:FF' specifying minutes, seconds and
frames (0 <= 'FF' < 75) . A frame equals one block.
If more than one statement is used the track will be composed by
concatenating the data in the specified order.
- SILENCE <length>
- Adds zero audio data of specified length to the current audio
track. Useful to create silent pre-gaps.
- ZERO <length>
- Adds zero data to data tracks. Must be used to define pre- or
post-gaps between tracks of different mode.
-
[ FILE | AUDIOFILE ] <filename> <start> [ <length> ]
- Adds the audio data of specified file to the current audio
track. It is possible to select a portion of an audio file with
<start> and <length> which allows non destructive
cutting. The first sample of an audio file is addressed with
<start> = 0. If <length> is omitted or set to 0 all
audio data from <start> until the end of file is used.
Audio files may have raw or WAVE format with 16 bits per sample,
44.1 kHz sampling rate, stereo. Raw files must have the layout
'MSBLeft LSBLeft MSBRight LSBRight ...' (big endian byte order).
WAVE files are expected to have little endian byte order. The
option --swap reverses the expected byte order for all raw and WAVE
files. Only filenames with a ".wav" ending are treated as WAVE
files, all other names are assumed to be raw audio files. Use tools
like sox(1) to convert
other file formats to supported formats.
Specifying a "-" as filename causes data to be read from STDIN.
Currently only raw files are supported from STDIN.
If you are unsure about the byte order of your audio files
try the command 'show-data'. If the byte order is correct you will
see a sequence of increasing or decreasing numbers for both
channels. Otherwise numbers are jumping between very high and low
values - high volume static.
-
DATAFILE <filename> [ <length> ]
- Adds data from given file to the current data track. If
<length> is omitted the actual file length will be used.
- FIFO <fifo path> <length>
- Adds data from specified FIFO path to the current audio or data
track. <length> must specify the amount of data that will be
read from the FIFO. The value is always in terms of bytes (scalar
value) or in terms of the block length (MSF value).
- START [ MM:SS:FF ]
- Defines the length of the pre-gap (position where index
switches from 0 to 1). If the MSF value is omitted the current
track length is used. If the current track length is not a multiple
of the block length the pre-gap length will be rounded up to next
block boundary.
If no START statement is given the track will not have a
pre-gap.
- PREGAP MM:SS:FF
- This is an alternate way to specify a pre-gap with zero audio
data. It may appear before the first SILENCE, ZERO or FILE
statement. Either PREGAP or START can be used within a track
specification. It is equivalent to the sequence
SILENCE MM:SS:FF
START
for audio tracks or
ZERO MM:SS:FF
START
for data tracks.
Nothing prevents mixing 'DATAFILE'/'ZERO' and
'AUDIOFILE'/'SILENCE' statements within the same track. The
results, however, are undefined.
The end of a track specification may contain zero or more index
increment statements:
- INDEX MM:SS:FF
- Increments the index number at given position within the track.
The first statement will increment from 1 to 2. The position is
relative to the real track start, not counting an existing
pre-gap.
CD-TEXT Blocks
A CD-TEXT block may be placed in the global
section to define data valid for the whole CD and in each track
specification of a toc-file. The global section must define
a language map that is used to map a language-number to
country codes. Up to 8 different languages can be defined:
- LANGUAGE_MAP { 0 : c1 1 : c2 ... 7 : c7 }
- The country code may be an integer value in the range 0..255 or
one of the following countries (the corresponding integer value is
placed in braces behind the token): EN(9, English)
It is just necessary to define a mapping for the used
languages.
If no mapping exists for a language-number the data for
this language will be ignored.
For each language a language block must exist that defines the
actual data for a certain language.
- LANGUAGE language-number { cd-text-item cd-text-data
cd-text-item cd-text-data ... }
- Defines the CD-TEXT items for given language-number
which must be defined in the language map.
The cd-text-data may be either a string enclosed by " or
binary data like
{ 0, 10, 255, ... }
where each integer number must be in the range 0..255.
The cd-text-item may be one of the following:
- TITLE
- String data: Title of CD or track.
- PERFORMER
- String data.
- SONGWRITER
- String data.
- COMPOSER
- String data.
- ARRANGER
- String data.
- MESSAGE
- String data. Message to the user.
- DISC_ID
- String data: Should only appear in the global CD-TEXT block.
The format is usually: XY12345
- GENRE
- Mixture of binary data (genre code) and string data. Should
only appear in the global CD-TEXT block. Useful entries will be
created by gcdmaster.
- TOC_INFO1
- Binary data: Optional table of contents 1. Should only appear
in the global CD-TEXT block.
- TOC_INFO2
- Binary data: Optional table of contents 2. Should only appear
in the global CD-TEXT block.
- UPC_EAN
- String data: This item should only appear in the global CD-TEXT
block. Was always an empty string on the CD-TEXT CDs I had access
to.
- ISRC
- String data: ISRC code of track. The format is usually:
CC-OOO-YY-SSSSS
- SIZE_INFO
- Binary data: Contains summary about all CD-TEXT data and should
only appear in the global CD-TEXT block. The data will be
automatically (re)created when the CD-TEXT data is written.
If one of the CD-TEXT items TITLE, PERFORMER, SONGWRITER,
COMPOSER, ARRANGER, ISRC is defined for at least on track or in the
global section it must be defined for all tracks and in the global
section. If a DISC_ID item is defined in the global section, an
ISRC entry must be defined for each track.
Examples
Simple track without pre-gap with all audio data from WAVE file
"data.wav":
CD_DA
TRACK AUDIO
FILE "data.wav" 0
Standard track with two second pre-gap, ISRC code and CD-TEXT:
CD_DA
CD_TEXT {
LANGUAGE_MAP {
0 : EN
}
LANGUAGE 0 {
TITLE "CD Title"
PERFORMER "Performer"
DISC_ID "XY12345"
UPC_EAN ""
}
}
TRACK AUDIO
ISRC "DEXXX9800001"
CD_TEXT {
LANGUAGE 0 {
TITLE "Track Title"
PERFORMER "Performer"
ISRC "DE-XXX-98-00001"
}
}
PREGAP 0:2:0
FILE "data.wav" 0
Track with 10 second pre-gap containing audio data from raw file
"data.cdr":
CD_DA
TRACK AUDIO
FILE "data.cdr" 0
START 0:10:0
Composed track with data from different files. Pre-gap data and
length is taken from "pregapdata.wav". The first minute of
"track.cdr" is omitted and two seconds silence are inserted at
'2:0:0'. Index will be incremented after 2 and 4 minutes past track
start:
CD_DA
TRACK AUDIO
FILE "pregapdata.wav" 0
START
FILE "track.cdr" 1:0:0 1:0:0
SILENCE 0:2:0
FILE "track.cdr" 2:0:0
INDEX 2:0:0
INDEX 4:0:0
Mixed mode CD with a data track as first track followed by two
audio tracks.
CD_ROM
TRACK MODE1
DATAFILE "data_1"
ZERO 00:02:00 // post-gap
TRACK AUDIO
SILENCE 00:02:00 // pre-gap
START
FILE "data_2.wav" 0
TRACK AUDIO
FILE "data_3.wav" 0
CUE FILES
Cue files may be used wherever a toc-file is expected.
The corresponding bin file is not taken from the FILE statement of
a cue file but constructed from the cue file name by replacing
".cue" by ".bin". The cue file must have exactly one FILE
statement.
Currently, following track modes are supported: MODE1/2048,
MODE1/2352, MODE2/2336, MODE2/2352. The CATALOG, ISRC and POSTGAP
statements are parsed but not evaluated, yet.
SETTINGS
Some of the command line options can be stored as settings at
following locations. The files will be read on startup of
cdrdao in that order:
1. /etc/cdrdao.conf
2. /etc/defaults/cdrdao
3. $HOME/.cdrdao
Command line options will overwrite the loaded settings. The
settings file contains name - value pairs separated by a colon.
String values must be enclosed by ". The file is automatically
written if the command line option --save is used but it is
also possible to modify it manually. Following values are defined:
- write_device
- Device used for operations simulate, write, copy, blank,
disk-info and unlock. Corresponding option: --device
- write_driver
- Driver (including driver options) that is used for operations
simulate, write, copy, blank, disk-info and unlock.
Corresponding option: --driver
- write_speed
- Specifies writing speed. Corresponding option: --speed
- write_buffers
- Specifies fifo buffers used for recording. Corresponding
option: --buffers
- read_device
- Device used for operations read-toc, read-cd and copy.
Corresponding option: --device or --source-device
- read_driver
- Driver (including driver options) used for operations
read-toc, read-cd and copy. Corresponding option:
--driver or --source-driver
- read_paranoia_mode
- Paranoia mode used for operations read-cd and copy.
Corresponding option: --paranoia-mode
- cddb_server_list
- CDDB server list for read-cddb. Corresponding option:
--cddb-servers
- cddb_timeout
- CDDB connection timeout in seconds used by read-cddb.
Corresponding option: --cddb-timeout
- cddb_directory
- Local directory where fetched CDDB records will be stored, used
by read-cddb. Corresponding option: --cddb-directory
- tmp_file_dir
- Directory where temporay WAV files will be created from
decoding MP3 and Ogg Vorbis files. Corresponding option:
--tmpdir
BUGS
If the program is terminated during the
write/simulation process used IPC resources may not be released.
Use ipcs(8) and
ipcrm(8) to
delete them.
AUTHOR
Andreas Mueller mueller@daneb.ping.de
SEE ALSO
gcdmaster(1),
cdrecord(1),
cdda2wav(1),
cdparanoia
(1), sox(1),
(8),
(8)