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Annotation of src/usr.bin/audioctl/audioctl.1, Revision 1.1

1.1     ! provos      1: .\" $NetBSD: audioctl.1,v 1.5 1997/10/18 12:05:22 lukem Exp $
        !             2: .\" Copyright (c) 1997 The NetBSD Foundation, Inc.
        !             3: .\" All rights reserved.
        !             4: .\"
        !             5: .\" Author: Lennart Augustsson
        !             6: .\"
        !             7: .\" Redistribution and use in source and binary forms, with or without
        !             8: .\" modification, are permitted provided that the following conditions
        !             9: .\" are met:
        !            10: .\" 1. Redistributions of source code must retain the above copyright
        !            11: .\"    notice, this list of conditions and the following disclaimer.
        !            12: .\" 2. Redistributions in binary form must reproduce the above copyright
        !            13: .\"    notice, this list of conditions and the following disclaimer in the
        !            14: .\"    documentation and/or other materials provided with the distribution.
        !            15: .\" 3. All advertising materials mentioning features or use of this software
        !            16: .\"    must display the following acknowledgement:
        !            17: .\"        This product includes software developed by the NetBSD
        !            18: .\"        Foundation, Inc. and its contributors.
        !            19: .\" 4. Neither the name of The NetBSD Foundation nor the names of its
        !            20: .\"    contributors may be used to endorse or promote products derived
        !            21: .\"    from this software without specific prior written permission.
        !            22: .\"
        !            23: .\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
        !            24: .\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
        !            25: .\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
        !            26: .\" PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
        !            27: .\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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        !            35: .Dd May 4, 1997
        !            36: .Dt AUDIOCTL 1
        !            37: .Os
        !            38: .Sh NAME
        !            39: .Nm audioctl
        !            40: .Nd control audio device
        !            41: .Sh SYNOPSIS
        !            42: .Nm
        !            43: .Op Fl f Ar file
        !            44: .Op Fl n
        !            45: .Fl a
        !            46: .Nm ""
        !            47: .Op Fl f Ar file
        !            48: .Op Fl n
        !            49: .Ar name ...
        !            50: .Nm ""
        !            51: .Op Fl f Ar file
        !            52: .Op Fl n
        !            53: .Fl w
        !            54: .Ar name=value ...
        !            55: .Sh DESCRIPTION
        !            56: The
        !            57: .Nm
        !            58: command displays or sets various audio system driver variables.
        !            59: If a list of variables is present on the command line, then
        !            60: .Nm
        !            61: prints the current value of those variables for the specified device.
        !            62: If the
        !            63: .Fl a
        !            64: flag is specified, all variables for the device are printed.
        !            65: If the
        !            66: .Fl w
        !            67: flag is specified
        !            68: .Nm
        !            69: attempts to set the specified variables to the given values.
        !            70: .Pp
        !            71: The
        !            72: .Fl f
        !            73: flag can be used to give an alternative audio control device, the default is
        !            74: .Pa /dev/audioctl .
        !            75: .Pp
        !            76: The
        !            77: .Fl n
        !            78: flag suppresses printing of the variable name.
        !            79: .Sh EXAMPLES
        !            80: To set the playing sampling rate to 11025 you can enter
        !            81: .Dl audioctl -w play.sample_rate=11025
        !            82: Note that many of the variables that can be inspected and changed
        !            83: with
        !            84: .Nm
        !            85: are reset when the device is opened.  This can be circumvented
        !            86: like this
        !            87: .Dl (cat file.au; audioctl -f /dev/stdout -a) > /dev/audio
        !            88: or
        !            89: .Dl (audioctl -f /dev/stdout -w blocksize=1024; cat file.au) > /dev/audio
        !            90: .Sh FILES
        !            91: .Bl -tag -width /dev/audioctl
        !            92: .It Pa /dev/audioctl
        !            93: audio device
        !            94: .El
        !            95: .Sh SEE ALSO
        !            96: .Xr mixerctl 1 ,
        !            97: .Xr audio 4 ,
        !            98: .Xr sysctl 8
        !            99: .Sh HISTORY
        !           100: The
        !           101: .Nm
        !           102: command first appeared in
        !           103: .Nx 1.3 .