Интерактивная система просмотра системных руководств (man-ов)
cdcontrol (1)
>> cdcontrol (1) ( FreeBSD man: Команды и прикладные программы пользовательского уровня )
BSD mandoc
NAME
cdcontrol
- compact disc control utility
SYNOPSIS
[-sv
]
[-f device
]
[command ...
]
DESCRIPTION
The
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
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,
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 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
Same as
status volume
command.
volume level
Set the volume of both channels to
level
Allowed values are in the range 0-255.
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 0-255.
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
The following environment variables affect the execution of
:
CDROM
The CD device to use, if one is not specified with the
-f
option.
CDPLAY , CD_DRIVE , DISC , MUSIC_CD
These variables have been deprecated in favour of
CDROM
FILES
/dev/cd0
/dev/mcd0
/dev/acd0
HISTORY
The
command appeared in
Fx 2.1 .
AUTHORS
An Jean-Marc Zucconi
An Andrey A. Chernov
An Serge V. Vakulenko
