1ef5fe44d3
Disussed with: gavin No objection from: doc Approved by: joel MFC after: 3 days
223 lines
4.4 KiB
Groff
223 lines
4.4 KiB
Groff
.\" $FreeBSD$
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.\"
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.Dd June 27, 2008
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.Dt CDCONTROL 1
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.Os
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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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The
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.Nm
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utility 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 acd0 .
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.Pp
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If no
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.Ar command
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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.
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Do not print table headers and human readable comments.
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.It Fl v
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Verbose mode.
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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/cd0
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or
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.Pa acd0 .
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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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The
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.Fl f
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option overrides
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.Ev CDROM .
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If neither
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.Ev CDROM
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nor the
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.Fl f
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option is specified,
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.Nm
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tries opening first
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.Pa /dev/cdrom ,
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then
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.Pa /dev/cd0 ,
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and finally
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.Pa /dev/acd0 .
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.El
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.Pp
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The available commands are listed below.
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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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The word
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.Ic play
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can be omitted or the characters
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.Ic +
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and
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.Ic -
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can be used in the
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place of
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.Ic next
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and
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.Ic prev .
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.Bl -tag -width indent
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.It Ic 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 Xo
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.Ic play
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.Ar start_m : Ns Ar start_s . Ns Ar start_f
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.Op Ar end_m : Ns Ar end_s . Ns Ar end_f
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.Xc
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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).
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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 Ic play Op # Ns Ar start_block Op Ar 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 Ic next Op Ar tracks
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Skip forward a number of tracks (default 1).
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.It Ic prev Op Ar tracks
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Skip backward a number of tracks (default 1).
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.It Ic pause
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Stop playing.
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Do not stop the disc.
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.It Ic resume
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Resume playing.
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Used after the
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.Ic pause
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command.
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.It Ic stop
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Stop the disc.
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.It Ic eject
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Eject the disc.
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.It Ic close
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Inject the disc.
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.It Ic volume
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Same as
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.Em status volume
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command.
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.It Ic volume Ar level
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Set the volume of both channels to
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.Ar level .
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Allowed values are in the range 0-255.
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.It Ic volume Ar left_channel 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 Ic volume Cm mute
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Turn the sound off.
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.It Ic volume Cm mono
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Set the mono mode.
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.It Ic volume Cm stereo
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Set the stereo mode.
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.It Ic volume Cm left
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Play the left subtrack on both left and right channels.
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.It Ic volume Cm right
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Play the right subtrack on both left and right channels.
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.It Ic info
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Print the table of contents.
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.It Ic status Op Cm audio | media | volume
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Print the information about the disc:
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.Pp
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.Bl -tag -width ".Cm volume" -compact
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.It Cm audio
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the current playing status and position
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.It Cm media
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the current media catalog status
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.It Cm 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 Ic cdid
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Display the serial number of the CD using the method used by the
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.Tn CDDB
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project
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.Pq Pa http://www.cddb.org/ .
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.It Ic help
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Print the list of available commands.
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.It Ic debug Cm on
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Enable the debugging mode of the CD device driver.
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.It Ic debug Cm off
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Disable the driver debugging mode.
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.It Ic reset
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Perform the hardware reset of the device.
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.It Ic set Cm msf
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Set minute-second-frame ioctl mode (default).
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.It Ic set Cm lba
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Set LBA ioctl mode.
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.It Ic speed Ar s
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Set the highest speed that the drive should use for reading data.
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The units are multiples of a single speed CDROM (150 KB/s).
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Specify
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.Dq Li max
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to use the drive's fastest speed.
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.It Ic 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 ".Ev CD_DRIVE"
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.It Ev CDROM
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The CD device to use, if one is not specified with the
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.Fl f
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option.
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.It Ev CDPLAY , CD_DRIVE , DISC , MUSIC_CD
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These variables have been deprecated in favour of
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.Ev CDROM .
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.El
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.Sh FILES
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.Bl -tag -width ".Pa /dev/mcd0" -compact
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.It Pa /dev/cd0
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.It Pa /dev/mcd0
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.It Pa /dev/acd0
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.El
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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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.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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