159 lines
4.5 KiB
Groff
159 lines
4.5 KiB
Groff
.\" $NetBSD: mixerctl.1,v 1.11 2000/12/29 13:30:26 augustss Exp $
|
|
.\" Copyright (c) 1997 The NetBSD Foundation, Inc.
|
|
.\" All rights reserved.
|
|
.\"
|
|
.\" Author: Lennart Augustsson
|
|
.\"
|
|
.\" Redistribution and use in source and binary forms, with or without
|
|
.\" modification, are permitted provided that the following conditions
|
|
.\" are met:
|
|
.\" 1. Redistributions of source code must retain the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer.
|
|
.\" 2. Redistributions in binary form must reproduce the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer in the
|
|
.\" documentation and/or other materials provided with the distribution.
|
|
.\" 3. All advertising materials mentioning features or use of this software
|
|
.\" must display the following acknowledgement:
|
|
.\" This product includes software developed by the NetBSD
|
|
.\" Foundation, Inc. and its contributors.
|
|
.\" 4. Neither the name of The NetBSD Foundation nor the names of its
|
|
.\" contributors may be used to endorse or promote products derived
|
|
.\" from this software without specific prior written permission.
|
|
.\"
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
|
.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
.\" POSSIBILITY OF SUCH DAMAGE.
|
|
.\"
|
|
.Dd May 4, 1997
|
|
.Dt MIXERCTL 1
|
|
.Os
|
|
.Sh NAME
|
|
.Nm mixerctl
|
|
.Nd control audio mixing
|
|
.Sh SYNOPSIS
|
|
.Nm
|
|
.Op Fl f Ar file
|
|
.Op Fl n
|
|
.Op Fl v
|
|
.Fl a
|
|
.Nm ""
|
|
.Op Fl f Ar file
|
|
.Op Fl n
|
|
.Op Fl v
|
|
.Ar name ...
|
|
.Nm ""
|
|
.Op Fl f Ar file
|
|
.Op Fl n
|
|
.Fl w
|
|
.Ar name=value ...
|
|
.Nm ""
|
|
.Op Fl f Ar file
|
|
.Op Fl n
|
|
.Fl w
|
|
.Ar name++ ...
|
|
.Nm ""
|
|
.Op Fl f Ar file
|
|
.Op Fl n
|
|
.Fl w
|
|
.Ar name-- ...
|
|
.Sh DESCRIPTION
|
|
The
|
|
.Nm
|
|
command displays or sets various audio system mixing variables.
|
|
If a list of variables is present on the command line, then
|
|
.Nm
|
|
prints the current value of those variables for the specified device.
|
|
If the
|
|
.Fl a
|
|
flag is specified, all variables for the device are printed.
|
|
If the
|
|
.Fl w
|
|
flag is specified
|
|
.Nm
|
|
attempts to set the specified variables to the given values.
|
|
.Pp
|
|
The
|
|
.Fl f
|
|
flag can be used to give an alternative mixer device, the default is
|
|
.Pa /dev/mixer0 .
|
|
.Pp
|
|
The
|
|
.Fl n
|
|
flag suppresses printing of the variable name.
|
|
.Pp
|
|
The
|
|
.Fl v
|
|
flag shows the possible values of enumeration and set valued
|
|
variables. Enumerated values are shown in [] and set values
|
|
are shown in {}.
|
|
.Pp
|
|
The exact set of controls that can be manipulated depends on
|
|
the mixer. The general format (in both getting and setting a value)
|
|
is
|
|
.br
|
|
.Va "class.name" = value
|
|
.br
|
|
The
|
|
.Va class
|
|
can have values like
|
|
.Li inputs
|
|
or
|
|
.Li outputs
|
|
indicating that the control affects the input resp. output to the
|
|
mixer. The
|
|
.Va name
|
|
indicates what part of the mixer the control affects.
|
|
Continous mixer values, e.g., volume, have numeric values
|
|
in the range 0-255. If value can be set for each channel independently
|
|
the values are printed separated by commas. Discrete mixer values, e.g.,
|
|
the recording source, have symbolic names. Depending on the mixer it
|
|
may either be an enumeration or a set.
|
|
.Pp
|
|
The suffixes ++ and -- can be used to step through the values of a
|
|
mixer control. For numeric controls these operators may increase
|
|
(resp. decrease) the value by an amount (the delta) suitable to make
|
|
the control assume the next possible value.
|
|
.Sh EXAMPLES
|
|
The commmand
|
|
.Dl "mixerctl -a -v"
|
|
can produce
|
|
.Bd -literal
|
|
inputs.mic=0,0 volume
|
|
inputs.mic.mute=off [ off on ]
|
|
inputs.cd=220,220 volume
|
|
inputs.cd.mute=off [ off on ]
|
|
inputs.dac=220,220 volume
|
|
inputs.dac.mute=off [ off on ]
|
|
record.record=220,220 volume
|
|
record.record.source=mic [ mic cd dac ]
|
|
monitor.monitor=0 volume
|
|
.Ed
|
|
.Sh FILES
|
|
.Bl -tag -width /dev/mixer0
|
|
.It Pa /dev/mixer0
|
|
mixer audio device
|
|
.El
|
|
.Sh ENVIRONMENT
|
|
.Bl -tag -width MIXERDEVICE
|
|
.It Pa MIXERDEVICE
|
|
the mixer device to use.
|
|
.El
|
|
.Sh SEE ALSO
|
|
.Xr audioctl 1 ,
|
|
.Xr audio 4 ,
|
|
.Xr sysctl 8
|
|
.Sh HISTORY
|
|
The
|
|
.Nm
|
|
command first appeared in
|
|
.Nx 1.3 .
|
|
|