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Annotation of src/usr.bin/audioctl/audioctl.1, Revision 1.7

1.7     ! aaron       1: .\" $OpenBSD: audioctl.1,v 1.6 1998/12/16 02:38:48 aaron 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
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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
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1.7     ! aaron      27: .\" PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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                     29: .\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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                     36: .Dd May 4, 1997
                     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
1.1       provos     44: .Op Fl f Ar file
                     45: .Op Fl n
                     46: .Fl a
1.6       aaron      47: .Nm audioctl
1.1       provos     48: .Op Fl f Ar file
                     49: .Op Fl n
1.5       aaron      50: .Ar name
                     51: .Op Ar ...
1.6       aaron      52: .Nm audioctl
1.1       provos     53: .Op Fl f Ar file
                     54: .Op Fl n
                     55: .Fl w
1.5       aaron      56: .Ar name=value
                     57: .Op Ar ...
1.1       provos     58: .Sh DESCRIPTION
1.7     ! aaron      59: The
1.1       provos     60: .Nm
                     61: command displays or sets various audio system driver variables.
1.5       aaron      62: If a list of variables is present on the command line,
1.1       provos     63: .Nm
                     64: prints the current value of those variables for the specified device.
1.7     ! aaron      65: If the
1.1       provos     66: .Fl a
                     67: flag is specified, all variables for the device are printed.
                     68: If the
                     69: .Fl w
1.5       aaron      70: flag is specified,
1.1       provos     71: .Nm
                     72: attempts to set the specified variables to the given values.
                     73: .Pp
                     74: The
                     75: .Fl f
1.5       aaron      76: flag can be used to give an alternative audio control device. The default is
1.1       provos     77: .Pa /dev/audioctl .
                     78: .Pp
                     79: The
                     80: .Fl n
                     81: flag suppresses printing of the variable name.
                     82: .Sh EXAMPLES
                     83: To set the playing sampling rate to 11025 you can enter
                     84: .Dl audioctl -w play.sample_rate=11025
                     85: Note that many of the variables that can be inspected and changed
                     86: with
                     87: .Nm
                     88: are reset when the device is opened.  This can be circumvented
                     89: like this
                     90: .Dl (cat file.au; audioctl -f /dev/stdout -a) > /dev/audio
                     91: or
                     92: .Dl (audioctl -f /dev/stdout -w blocksize=1024; cat file.au) > /dev/audio
                     93: .Sh FILES
                     94: .Bl -tag -width /dev/audioctl
                     95: .It Pa /dev/audioctl
1.4       provos     96: audio control device
1.1       provos     97: .El
1.4       provos     98: .Sh ENVIRONMENT
                     99: .Bl -tag -width AUDIOCTLDEVICE
1.5       aaron     100: .It Ev AUDIOCTLDEVICE
                    101: The audio control device to use.
1.1       provos    102: .Sh SEE ALSO
                    103: .Xr mixerctl 1 ,
                    104: .Xr audio 4 ,
                    105: .Xr sysctl 8
                    106: .Sh HISTORY
                    107: The
                    108: .Nm
                    109: command first appeared in
                    110: .Nx 1.3 .