Annotation of src/usr.bin/mixerctl/mixerctl.1, Revision 1.10
1.10 ! aaron 1: .\" $OpenBSD: mixerctl.1,v 1.9 1998/12/16 02:38:50 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.
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7: .\" Author: Lennart Augustsson
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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:
! 73: .Bl -tag -width "-w name=value"
! 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
1.1 provos 142: .Sh FILES
143: .Bl -tag -width /dev/mixer
144: .It Pa /dev/mixer
145: mixer audio device
146: .El
1.4 provos 147: .Sh ENVIRONMENT
1.10 ! aaron 148: The following environment variables affect the execution of
! 149: .Nm mixerctl :
1.4 provos 150: .Bl -tag -width MIXERDEVICE
1.8 aaron 151: .It Ev MIXERDEVICE
1.10 ! aaron 152: The audio mixer device to use.
! 153: .El
1.1 provos 154: .Sh SEE ALSO
155: .Xr audioctl 1 ,
156: .Xr audio 4 ,
157: .Xr sysctl 8
158: .Sh HISTORY
159: The
160: .Nm
161: command first appeared in
162: .Nx 1.3 .
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