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NAME    [Toc]    [Back]

     cdcontrol -- compact disc control utility

SYNOPSIS    [Toc]    [Back]

     cdcontrol [-sv] [-f device] [command ...]

DESCRIPTION    [Toc]    [Back]

     The cdcontrol utility is a program to control audio features of a CD
     drive.  The device is a name such as cd0 or acd0.

     If no command is given, then cdcontrol enters an interactive mode, reading
 commands from the standard input.

     The following options are available:

     -s      Silent mode.  Do not print table headers and human readable comments.

     -v      Verbose mode.  Print as much information as possible.

     -f device
	     Specify a device, such as /dev/cd0 or acd0.  Both absolute path
	     and relative to /dev filename are possible.  The -f option overrides
 CDROM.  If neither CDROM nor the -f option is specified,
	     cdcontrol tries opening first /dev/cdrom, then /dev/cd0, and
	     finally /dev/acd0.

     The available commands are listed below.  Only as many characters as are
     required to uniquely identify a command need be specified.  The word play
     can be omitted or the characters + and - can be used in the place of next
     and prev.

     play first_track [last_track]
	     Play from track first_track to track last_track.  The first track
	     has number 1.  Can be omitted in all cases.

     play start_m:start_s.start_f [end_m:end_s.end_f]
	     Play from the absolute address (MSF) defined by start_m in minutes,
 start_s, in seconds and start_f (frame number) to the absolute
 address defined by end_m in minutes, end_s, in seconds and
	     end_f (frame number).  Minutes are in the range 0-99.  Seconds
	     are in the range 0-59.  Frame numbers are in the range 0-74.

     play [#start_block [length]]
	     Play starting from the logical block start_block using length
	     logical blocks.

     next [tracks]
	     Skip forward a number of tracks (default 1).

     prev [tracks]
	     Skip backward a number of tracks (default 1).

     pause   Stop playing.  Do not stop the disc.

     resume  Resume playing.  Used after the pause command.

     stop    Stop the disc.

     eject   Eject the disc.

     close   Inject the disc.

     volume left_channel right_channel
	     Set the volume of left channel to left_channel and the volume of
	     right channel to right_channel.  Allowed values are in the range

     volume mute
	     Turn the sound off.

     volume mono
	     Set the mono mode.

     volume stereo
	     Set the stereo mode.

     volume left
	     Play the left subtrack on both left and right channels.

     volume right
	     Play the right subtrack on both left and right channels.

     info    Print the table of contents.

     status [audio | media | volume]
	     Print the information about the disc:

	     audio   the current playing status and position
	     media   the current media catalog status
	     volume  the current values of the volume for left and right channels.

     cdid    Display the serial number of the CD using the method used by the
	     CDDB project (http://www.cddb.org/).

     help    Print the list of available commands.

     debug on
	     Enable the debugging mode of the CD device driver.

     debug off
	     Disable the driver debugging mode.

     reset   Perform the hardware reset of the device.

     set msf
	     Set minute-second-frame ioctl mode (default).

     set lba
	     Set LBA ioctl mode.

     speed s
	     Set the highest speed that the drive should use for reading data.
	     The units are multiples of a single speed CDROM (150 KB/s).
	     Specify ``max'' to use the drive's fastest speed.

     quit    Quit the program.

ENVIRONMENT    [Toc]    [Back]

     The following environment variables affect the execution of cdcontrol:

     CDROM     The CD device to use, if one is not specified with the -f

	       These variables have been deprecated in favour of CDROM.

FILES    [Toc]    [Back]


AUTHORS    [Toc]    [Back]

     Jean-Marc Zucconi
     Andrey A. Chernov
     Serge V. Vakulenko

HISTORY    [Toc]    [Back]

     The cdcontrol command appeared in FreeBSD 2.1.

FreeBSD 5.2.1			  May 8, 2002			 FreeBSD 5.2.1
[ Back ]
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