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Annotation of src/usr.bin/mixerctl/mixerctl.1, Revision 1.5

1.5     ! millert     1: .\" $OpenBSD: mixerctl.1,v 1.4 1998/04/30 13:40:00 provos Exp $
1.4       provos      2: .\" $NetBSD: mixerctl.1,v 1.6 1998/04/27 16:55:23 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
                     11: .\" are met:
                     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
                     15: .\"    notice, this list of conditions and the following disclaimer in the
                     16: .\"    documentation and/or other materials provided with the distribution.
                     17: .\" 3. All advertising materials mentioning features or use of this software
                     18: .\"    must display the following acknowledgement:
                     19: .\"        This product includes software developed by the NetBSD
                     20: .\"        Foundation, Inc. and its contributors.
                     21: .\" 4. Neither the name of The NetBSD Foundation nor the names of its
                     22: .\"    contributors may be used to endorse or promote products derived
                     23: .\"    from this software without specific prior written permission.
                     24: .\"
                     25: .\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
                     26: .\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
                     27: .\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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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
                     44: .Nm
                     45: .Op Fl f Ar file
                     46: .Op Fl n
                     47: .Op Fl v
                     48: .Fl a
1.2       millert    49: .br
                     50: .Nm
1.1       provos     51: .Op Fl f Ar file
                     52: .Op Fl n
                     53: .Op Fl v
                     54: .Ar name ...
1.2       millert    55: .br
                     56: .Nm
1.1       provos     57: .Op Fl f Ar file
                     58: .Op Fl n
                     59: .Fl w
                     60: .Ar name=value ...
                     61: .Sh DESCRIPTION
                     62: The
                     63: .Nm
                     64: command displays or sets various audio system mixing variables.
                     65: If a list of variables is present on the command line, then
                     66: .Nm
                     67: prints the current value of those variables for the specified device.
                     68: If the
                     69: .Fl a
                     70: flag is specified, all variables for the device are printed.
                     71: If the
                     72: .Fl w
                     73: flag is specified
                     74: .Nm
                     75: attempts to set the specified variables to the given values.
1.5     ! millert    76: .Pp
        !            77: Values may be specified in either absolute or relative forms.
        !            78: The relative form is indicated by a prefix of
        !            79: .Dq +
        !            80: or
        !            81: .Dq -
        !            82: to denote an increase or decrease respectively.
1.1       provos     83: .Pp
                     84: The
                     85: .Fl f
                     86: flag can be used to give an alternative mixer device, the default is
                     87: .Pa /dev/mixer.
                     88: .Pp
                     89: The
                     90: .Fl n
                     91: flag suppresses printing of the variable name.
                     92: .Pp
                     93: The
                     94: .Fl v
                     95: flag shows the possible values of enumeration and set valued
                     96: variables.  Enumerated values are shown in [] and set values
                     97: are shown in {}.
                     98: .Sh FILES
                     99: .Bl -tag -width /dev/mixer
                    100: .It Pa /dev/mixer
                    101: mixer audio device
                    102: .El
1.4       provos    103: .Sh ENVIRONMENT
                    104: .Bl -tag -width MIXERDEVICE
                    105: .It Pa MIXERDEVICE
                    106: the mixer device to use.
1.1       provos    107: .Sh SEE ALSO
                    108: .Xr audioctl 1 ,
                    109: .Xr audio 4 ,
                    110: .Xr sysctl 8
                    111: .Sh HISTORY
                    112: The
                    113: .Nm
                    114: command first appeared in
                    115: .Nx 1.3 .
                    116: