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Annotation of src/usr.bin/mixerctl/mixerctl.1, Revision 1.13

1.13    ! aaron       1: .\" $OpenBSD: mixerctl.1,v 1.12 2000/11/10 05:10:35 aaron Exp $
1.6       provos      2: .\" $NetBSD: mixerctl.1,v 1.8 1998/05/09 12:41:16 augustss Exp $
1.5       millert     3: .\"
1.1       provos      4: .\" Copyright (c) 1997 The NetBSD Foundation, Inc.
                      5: .\" All rights reserved.
                      6: .\"
                      7: .\" Author: Lennart Augustsson
                      8: .\"
                      9: .\" Redistribution and use in source and binary forms, with or without
                     10: .\" modification, are permitted provided that the following conditions
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                     12: .\" 1. Redistributions of source code must retain the above copyright
                     13: .\"    notice, this list of conditions and the following disclaimer.
                     14: .\" 2. Redistributions in binary form must reproduce the above copyright
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                     37: .Dd May 4, 1997
                     38: .Dt MIXERCTL 1
                     39: .Os
                     40: .Sh NAME
                     41: .Nm mixerctl
                     42: .Nd control audio mixing
                     43: .Sh SYNOPSIS
1.9       aaron      44: .Nm mixerctl
1.1       provos     45: .Op Fl f Ar file
                     46: .Op Fl n
                     47: .Op Fl v
                     48: .Fl a
1.9       aaron      49: .Nm mixerctl
1.1       provos     50: .Op Fl f Ar file
                     51: .Op Fl n
                     52: .Op Fl v
1.8       aaron      53: .Ar name Op Ar ...
1.9       aaron      54: .Nm mixerctl
1.1       provos     55: .Op Fl f Ar file
                     56: .Op Fl n
                     57: .Fl w
1.8       aaron      58: .Ar name=value Op Ar ...
1.1       provos     59: .Sh DESCRIPTION
1.6       provos     60: The
1.1       provos     61: .Nm
                     62: command displays or sets various audio system mixing variables.
1.10      aaron      63: If a list of variables is present on the command line,
1.1       provos     64: .Nm
                     65: prints the current value of those variables for the specified device.
1.10      aaron      66: By default,
1.1       provos     67: .Nm
1.10      aaron      68: operates on the
                     69: .Pa /dev/mixer
                     70: device.
                     71: .Pp
                     72: The options are as follows:
1.11      aaron      73: .Bl -tag -width Ds
1.10      aaron      74: .It Fl a
                     75: Print all device variables and their current values.
                     76: .It Fl w Ar name=value
                     77: Attempt to set the specified variable
                     78: .Ar name
                     79: to
                     80: .Ar value .
                     81: .It Fl v
                     82: Show the possible values of enumeration and set valued variables.
                     83: Enumerated values are shown in
                     84: .Dq []
                     85: and set values are shown in
                     86: .Dq {} .
                     87: .It Fl f Ar file
                     88: Specify an alternative audio mixing device.
                     89: .It Fl n
                     90: Suppress printing of the variable name.
                     91: .El
1.5       millert    92: .Pp
                     93: Values may be specified in either absolute or relative forms.
                     94: The relative form is indicated by a prefix of
1.10      aaron      95: .Ql +
1.5       millert    96: or
1.10      aaron      97: .Ql -
                     98: to denote an increase or decrease, respectively.
1.1       provos     99: .Pp
1.10      aaron     100: The exact set of controls that can be manipulated depends on
                    101: the mixer.
                    102: The general format (in both getting and setting a value) is
1.1       provos    103: .Pp
1.10      aaron     104: .Va class.name = value
1.6       provos    105: .Pp
                    106: The
                    107: .Va class
                    108: can have values like
                    109: .Li inputs
                    110: or
                    111: .Li outputs
                    112: indicating that the control affects the input resp. output to the
1.10      aaron     113: mixer.
                    114: The
1.6       provos    115: .Va name
                    116: indicates what part of the mixer the control affects.
1.8       aaron     117: Continuous mixer values, e.g., volume, have numeric values
1.10      aaron     118: in the range 0-255.
                    119: If value can be set for each channel independently
                    120: the values are printed separated by commas.
                    121: Discrete mixer values, e.g.,
                    122: the recording source, have symbolic names.
                    123: Depending on the mixer it
1.6       provos    124: may either be an enumeration or a set.
                    125: .Sh EXAMPLES
1.7       deraadt   126: The command
1.10      aaron     127: .Pp
1.6       provos    128: .Dl "mixerctl -a -v"
1.10      aaron     129: .Pp
1.6       provos    130: can produce
                    131: .Bd -literal
                    132: inputs.mic=0,0 volume
                    133: inputs.mic.mute=off  [ off on ]
                    134: inputs.cd=220,220 volume
                    135: inputs.cd.mute=off  [ off on ]
                    136: inputs.dac=220,220 volume
                    137: inputs.dac.mute=off  [ off on ]
                    138: record.record=220,220 volume
                    139: record.record.source=mic  [ mic cd dac ]
                    140: monitor.monitor=0 volume
                    141: .Ed
1.4       provos    142: .Sh ENVIRONMENT
                    143: .Bl -tag -width MIXERDEVICE
1.8       aaron     144: .It Ev MIXERDEVICE
1.10      aaron     145: The audio mixer device to use.
1.12      aaron     146: .El
                    147: .Sh FILES
                    148: .Bl -tag -width /dev/mixer
                    149: .It Pa /dev/mixer
                    150: mixer audio device
1.10      aaron     151: .El
1.1       provos    152: .Sh SEE ALSO
                    153: .Xr audioctl 1 ,
                    154: .Xr audio 4 ,
                    155: .Xr sysctl 8
                    156: .Sh HISTORY
                    157: The
                    158: .Nm
                    159: command first appeared in
                    160: .Nx 1.3 .