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.
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6: .\" Author: Lennart Augustsson
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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 .