1.\" Copyright (c) 1997 2.\" Mike Pritchard <mpp@FreeBSD.ORG>. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. Neither the name of the author nor the names of its contributors 13.\" may be used to endorse or promote products derived from this software 14.\" without specific prior written permission. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY MIKE PRITCHARD AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" $FreeBSD$ 29.\" 30.Dd January 9, 1997 31.Dt MIXER 8 32.Os 33.Sh NAME 34.Nm mixer 35.Nd set/display soundcard mixer values 36.Sh SYNOPSIS 37.Nm 38.Op Fl f Ar device 39.Op Fl s 40.Oo 41.Oo Ar dev 42.Op Ar lvol Ns Op : Ns Ar rvol 43.Cm | recsrc | 44.Sm off 45.Eo \&{ 46.Cm ^ | + | - | = 47.Sm on 48.Ec \&} Ns Cm rec 49.Ar rdev 50.Oc 51.Ar ... 52.Oc 53.Sh DESCRIPTION 54The 55.Nm 56command is used to set and display soundcard mixer device levels. 57It may 58also be used to start and stop recording from the soundcard. The list 59of mixer devices that may be modified are: 60.Pp 61.Bd -ragged -offset indent 62vol, bass, treble, synth, pcm, speaker, mic, cd, mix, 63pcm2, rec, igain, ogain, line1, line2, and line3. 64.Ed 65.Pp 66Not all mixer devices are available. 67.Pp 68When 69.Nm 70is run without any arguments, all supported devices are displayed 71along with current values. 72If the 73.Ar dev 74argument is specified, the value for the 75.Ar dev 76device will be displayed. 77.Pp 78To modify the mixer value 79.Ar dev , 80the optional left and right channel settings of 81.Ar lvol Ns Op : Ns Ar rvol 82may be specified. The 83.Ar lvol 84and 85.Ar rvol 86arguments may be from 0 - 100. Omitting 87.Ar dev 88and including only the channel settings will change the main volume level. 89.Pp 90If the 91.Fl s 92flag is used, the current mixer values will be displayed in a format suitable 93for use as the command-line arguments to a future invocation of 94.Nm 95(as above). 96.Pp 97To change the recording device you use one of: 98.Bl -tag -width =rec -offset indent 99.It Cm ^rec 100toggles 101.Ar rdev 102of possible recording devices 103.It Cm +rec 104adds 105.Ar rdev 106to possible recording devices 107.It Cm -rec 108removes 109.Ar rdev 110from possible recording devices 111.It Cm =rec 112sets the recording device to 113.Ar rdev 114.El 115.Pp 116The above commands work on an internal mask. After all the options 117have been parsed, it will set then read the mask from the sound card. 118This will let you see EXACTLY what the soundcard is using for the 119recording device(s). 120.Pp 121The option recsrc will display the current recording devices. 122.Pp 123The option 124.Fl f 125.Ar device 126will open 127.Ar device 128as the mixer device. 129.Sh FILES 130.Bl -tag -width /dev/mixer -compact 131.It Pa /dev/mixer 132the default mixer device 133.El 134.Sh SEE ALSO 135.Xr cdcontrol 1 136.Sh HISTORY 137The 138.Nm 139command first appeared in 140.Fx 2.0.5 . 141.Sh AUTHORS 142.An -nosplit 143Original source by 144.An Craig Metz Aq cmetz@thor.tjhsst.edu 145and 146.An Hannu Savolainen . 147Mostly rewritten by 148.An John-Mark Gurney Aq jmg@FreeBSD.org . 149This 150manual page was written by 151.An Mike Pritchard Aq mpp@FreeBSD.org . 152