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.Ar dev 42.Sm off 43.Oo 44.Op Cm + | - 45.Ar lvol 46.Op : Oo Cm + | - Oc Ar rvol 47.Oc 48.Oc 49.Sm on 50.Ar ... 51.Nm 52.Op Fl f Ar device 53.Op Fl s 54.Cm recsrc 55.Ar ... 56.Nm 57.Op Fl f Ar device 58.Op Fl s 59.Sm off 60.Bro 61.Cm ^ | + | - | = 62.Brc 63.Cm rec 64.Sm on 65.Ar rdev ... 66.Sh DESCRIPTION 67The 68.Nm 69utility is used to set and display soundcard mixer device levels. 70It may 71also be used to start and stop recording from the soundcard. 72The list 73of mixer devices that may be modified are: 74.Pp 75.Bd -ragged -offset indent 76vol, bass, treble, synth, pcm, speaker, mic, cd, mix, 77pcm2, rec, igain, ogain, line1, line2, and line3. 78.Ed 79.Pp 80Not all mixer devices are available. 81.Pp 82Without any arguments, 83.Nm 84displays the current settings for all supported devices, followed by information 85about the current recording input devices. 86If the 87.Ar dev 88argument is specified, 89.Nm 90displays only the value for that 91.Ar dev . 92.Pp 93To modify the mixer value 94.Ar dev , 95the optional left and right channel settings of 96.Ar lvol Ns Op : Ns Ar rvol 97may be specified. 98The 99.Ar lvol 100and 101.Ar rvol 102arguments may be from 0 - 100. 103Omitting 104.Ar dev 105and including only the channel settings will change the main volume level. 106.Pp 107If the left or right channel settings are prefixed with 108.Cm + 109or 110.Cm - , 111the value following will be used as a relative adjustment, modifying the 112current settings by the amount specified. 113.Pp 114If the 115.Fl s 116flag is used, the current mixer values will be displayed in a format suitable 117for use as the command-line arguments to a future invocation of 118.Nm 119(as above). 120.Pp 121To change the recording device you use one of: 122.Bl -tag -width =rec -offset indent 123.It Cm ^rec 124toggles 125.Ar rdev 126of possible recording devices 127.It Cm +rec 128adds 129.Ar rdev 130to possible recording devices 131.It Cm -rec 132removes 133.Ar rdev 134from possible recording devices 135.It Cm =rec 136sets the recording device to 137.Ar rdev 138.El 139.Pp 140The above commands work on an internal mask. 141After all the options 142have been parsed, it will set then read the mask from the sound card. 143This will let you see EXACTLY what the soundcard is using for the 144recording device(s). 145.Pp 146The option recsrc will display the current recording devices. 147.Pp 148The option 149.Fl f 150.Ar device 151will open 152.Ar device 153as the mixer device. 154.Sh FILES 155.Bl -tag -width /dev/mixer -compact 156.It Pa /dev/mixer 157the default mixer device 158.El 159.Sh SEE ALSO 160.Xr cdcontrol 1 161.Sh HISTORY 162The 163.Nm 164utility first appeared in 165.Fx 2.0.5 . 166.Sh AUTHORS 167.An -nosplit 168Original source by 169.An Craig Metz Aq cmetz@thor.tjhsst.edu 170and 171.An Hannu Savolainen . 172Mostly rewritten by 173.An John-Mark Gurney Aq jmg@FreeBSD.org . 174This 175manual page was written by 176.An Mike Pritchard Aq mpp@FreeBSD.org . 177