176 lines
3.7 KiB
Groff
176 lines
3.7 KiB
Groff
.\" $FreeBSD$
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.\"
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.Dd July 3, 1995
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.Dt CDCONTROL 1
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.Os FreeBSD
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.Sh NAME
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.Nm cdcontrol
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.Nd compact disc control utility
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.Sh SYNOPSIS
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.Nm
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.Op Fl sv
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.Op Fl f Ar device
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.Op Ar command ...
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.Sh DESCRIPTION
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.Nm Cdcontrol
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is a program to control audio features of a CD drive.
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The device is a name such
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as
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.Pa cd0
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or
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.Pa mcd0 .
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.Pp
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If the device not specified, the environment variables
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.Ev MUSIC_CD ,
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.Ev CD_DRIVE ,
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.Ev DISC
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and
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.Ev CDPLAY
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will be used (in this order) to find the cd device.
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.Pp
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If no command is given, then
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.Nm
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enters an interactive mode, reading commands from the standard input.
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.Pp
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The following options are available:
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.Bl -tag -width indent
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.It Fl s
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Silent mode - do not print table headers and human readable comments.
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.It Fl v
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Verbose mode - print as much information as possible.
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.It Fl f Ar device
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Specify a device, such as
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.Pa /dev/cd0c
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or
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.Pa mcd0 .
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Both absolute path and relative to
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.Pa /dev
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filename are possible.
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Suffix `c' is added to the device name if needed.
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.El
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.Pp
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The available commands are listed below. Only as many
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characters as are required to uniquely identify a command
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need be specified.
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Word
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.Em play
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can be omitted.
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.Bl -tag -width Cm
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.It Cm play Ar first_track Op Ar last_track
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Play from track
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.Ar first_track
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to track
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.Ar last_track .
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The first track has number 1.
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Can be omitted in all cases.
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.It Cm play Ar start_m:start_s.start_f Op Ar end_m:end_s.end_f
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Play from the absolute address
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(MSF) defined by
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.Ar start_m
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in minutes,
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.Ar start_s ,
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in seconds and
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.Ar start_f
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(frame number) to the absolute address defined by
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.Ar end_m
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in minutes,
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.Ar end_s ,
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in seconds and
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.Ar end_f
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(frame number). Minutes are in the range 0-99.
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Seconds are in the range 0-59.
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Frame numbers are in the range 0-74.
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.It Cm play Op Ar #start_block Op length
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Play starting from the logical block
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.Ar start_block
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using
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.Ar length
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logical blocks.
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.It Cm pause
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Stop playing.
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Do not stop the disc.
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.It Cm resume
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Resume playing.
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Used after the
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.Em pause
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command.
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.It Cm stop
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Stop the disc.
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.It Cm eject
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Eject the disc.
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.It Cm close
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Inject the disc.
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.It Cm volume Ar left_channel Ar right_channel
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Set the volume of left channel to
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.Ar left_channel
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and the volume of right channel to
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.Ar right_channel .
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Allowed values are in the range 0-255.
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.It Cm volume Ar mute
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Turn the sound off.
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.It Cm volume Ar mono
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Set the mono mode.
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.It Cm volume Ar stereo
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Set the stereo mode.
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.It Cm volume Ar left
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Play the left subtrack on both left and right channels.
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.It Cm volume Ar right
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Play the right subtrack on both left and right channels.
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.It Cm info
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Print the table of contents.
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.It Cm status Xo
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.Op Ar audio | media | volume
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.Xc
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Print the information about the disc:
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.Pp
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.Bl -tag -width "volume" -compact
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.It Ar audio
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the current playing status and position
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.It Ar media
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the current media catalog status
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.It Ar volume
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the current values of the volume for left and right channels.
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.El
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.It Cm cdid
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Display the serial number of the cd using the method used by the
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cddb (http://www.cddb.org/) project.
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.It Cm help
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Print the list of available commands.
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.It Cm debug Ar on
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Enable the debugging mode of the CD device driver.
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.It Cm debug Ar off
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Disable the driver debugging mode.
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.It Cm reset
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Perform the hardware reset of the device.
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.It Cm set Ar msf
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Set minute-second-frame ioctl mode (default).
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.It Cm set Ar lba
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Set LBA ioctl mode.
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.It Cm quit
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Quit the program.
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.El
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.Sh ENVIRONMENT
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The following environment variables affect the execution of
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.Nm :
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.Bl -tag -width CDROM
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.It Ev CDROM
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The cd device to use if one isn't specified with the
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.Fl f
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flag.
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.El
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.Sh FILES
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.Bl -tag -width /dev/mcd0c -compact
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.It Pa /dev/cd0c
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.It Pa /dev/mcd0c
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.It Pa /dev/acd0c
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.El
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.Sh AUTHORS
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.An Jean-Marc Zucconi ,
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.An Andrey A.\ Chernov ,
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.An Serge V.\ Vakulenko
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.Sh HISTORY
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The
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.Nm
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command appeared in
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.Fx 2.1 .
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