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Annotation of src/usr.bin/audioctl/audioctl.1, Revision 1.22

1.22    ! sobrado     1: .\" $OpenBSD: audioctl.1,v 1.21 2007/08/06 19:16:06 sobrado Exp $
1.4       provos      2: .\" $NetBSD: audioctl.1,v 1.7 1998/04/27 16:55:23 augustss Exp $
1.1       provos      3: .\" Copyright (c) 1997 The NetBSD Foundation, Inc.
                      4: .\" All rights reserved.
                      5: .\"
                      6: .\" Author: Lennart Augustsson
                      7: .\"
                      8: .\" Redistribution and use in source and binary forms, with or without
                      9: .\" modification, are permitted provided that the following conditions
                     10: .\" are met:
                     11: .\" 1. Redistributions of source code must retain the above copyright
                     12: .\"    notice, this list of conditions and the following disclaimer.
                     13: .\" 2. Redistributions in binary form must reproduce the above copyright
                     14: .\"    notice, this list of conditions and the following disclaimer in the
                     15: .\"    documentation and/or other materials provided with the distribution.
                     16: .\" 3. All advertising materials mentioning features or use of this software
                     17: .\"    must display the following acknowledgement:
                     18: .\"        This product includes software developed by the NetBSD
                     19: .\"        Foundation, Inc. and its contributors.
                     20: .\" 4. Neither the name of The NetBSD Foundation nor the names of its
                     21: .\"    contributors may be used to endorse or promote products derived
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                     24: .\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
                     25: .\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
                     26: .\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
1.7       aaron      27: .\" PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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1.22    ! sobrado    36: .Dd $Mdocdate: August 6 2007 $
1.1       provos     37: .Dt AUDIOCTL 1
                     38: .Os
                     39: .Sh NAME
                     40: .Nm audioctl
                     41: .Nd control audio device
                     42: .Sh SYNOPSIS
1.6       aaron      43: .Nm audioctl
1.22    ! sobrado    44: .Op Fl n
1.14      pvalchev   45: .Op Fl f Ar file
1.1       provos     46: .Fl a
1.6       aaron      47: .Nm audioctl
1.22    ! sobrado    48: .Op Fl n
1.14      pvalchev   49: .Op Fl f Ar file
1.21      sobrado    50: .Ar name ...
1.6       aaron      51: .Nm audioctl
1.22    ! sobrado    52: .Op Fl n
1.14      pvalchev   53: .Op Fl f Ar file
1.21      sobrado    54: .Ar name Ns = Ns Ar value ...
1.1       provos     55: .Sh DESCRIPTION
1.7       aaron      56: The
1.1       provos     57: .Nm
                     58: command displays or sets various audio system driver variables.
1.5       aaron      59: If a list of variables is present on the command line,
1.1       provos     60: .Nm
                     61: prints the current value of those variables for the specified device.
1.8       aaron      62: By default,
1.1       provos     63: .Nm
1.8       aaron      64: operates on the
                     65: .Pa /dev/audioctl
                     66: device.
1.1       provos     67: .Pp
1.8       aaron      68: The options are as follows:
1.19      jmc        69: .Bl -tag -width "name=valueXX"
1.8       aaron      70: .It Fl a
                     71: Print all device variables and their current values.
1.19      jmc        72: .It Fl f Ar file
                     73: Specify an alternative audio control device.
                     74: .It Fl n
                     75: Suppress printing of the variable name.
                     76: .It Ar name Ns = Ns Ar value
1.8       aaron      77: Attempt to set the specified variable
                     78: .Ar name
                     79: to
                     80: .Ar value .
                     81: .El
1.15      jmc        82: .Sh ENVIRONMENT
                     83: .Bl -tag -width AUDIOCTLDEVICE
                     84: .It Ev AUDIOCTLDEVICE
                     85: Audio control device to use.
                     86: .El
                     87: .Sh FILES
                     88: .Bl -tag -width /dev/audioctl
                     89: .It Pa /dev/audioctl
                     90: default audio control device
                     91: .El
1.1       provos     92: .Sh EXAMPLES
1.19      jmc        93: To set the playing sampling rate to 11025 you can enter:
1.8       aaron      94: .Pp
1.18      vincent    95: .Dl $ audioctl play.sample_rate=11025
1.8       aaron      96: .Pp
1.1       provos     97: Note that many of the variables that can be inspected and changed
1.17      beck       98: are reset when the
                     99: .Pa /dev/audio
                    100: device is opened.
1.8       aaron     101: This can be circumvented like so:
                    102: .Pp
1.19      jmc       103: .Dl $ (cat file.au; audioctl -f /dev/audioctl -a) \*(Gt /dev/audio
1.1       provos    104: or
1.16      jmc       105: .Bd -literal -offset indent -compact
1.18      vincent   106: $ (audioctl -f /dev/audioctl blocksize=1024; cat file.au) \e
1.19      jmc       107:        \*(Gt /dev/audio
1.16      jmc       108: .Ed
1.1       provos    109: .Sh SEE ALSO
1.19      jmc       110: .Xr aucat 1 ,
                    111: .Xr cdio 1 ,
1.1       provos    112: .Xr mixerctl 1 ,
                    113: .Xr audio 4 ,
                    114: .Xr sysctl 8
                    115: .Sh HISTORY
                    116: The
                    117: .Nm
                    118: command first appeared in
                    119: .Nx 1.3 .