1.\" $NetBSD: aiomixer.1,v 1.3 2023/07/01 10:47:12 nia Exp $ 2.\" 3.\" Copyright (c) 2021 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by Nia Alarie. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28.\" POSSIBILITY OF SUCH DAMAGE. 29.\" 30.Dd July 1, 2023 31.Dt AIOMIXER 1 32.Os 33.Sh NAME 34.Nm aiomixer 35.Nd graphical mixer for 36.Nx 37audio 38.Sh SYNOPSIS 39.Nm aiomixer 40.Op Fl d Ar device 41.Op Fl u 42.Sh DESCRIPTION 43.Nm 44is a graphical frontend for 45.Xr mixer 4 46devices that runs in your terminal. 47.Pp 48.Nm 49is primarily controlled using the cursor keys, e.g. to select a 50control, or change a control's value. 51Movement similar to 52.Xr vi 1 53is also supported. 54The current class can be changed with the number keys. 55The Q or Escape key can be used to return to the previous pane or exit 56.Nm . 57.Pp 58By default, volume levels for individual channels cannot be changed 59separately. 60The U key can be pressed to toggle changing the volume of individual 61channels. 62.Pp 63The following options are available: 64.Bl -tag -width indent 65.It Fl d Ar device 66Used to specify an alternative mixer device. 67.It Fl u 68Used to unlock channels on start up. 69.El 70.Sh ENVIRONMENT 71.Nm 72honours the informal standard 73.Dv NO_COLOR . 74When it is set in the environment, no colour will be used. 75.Sh FILES 76.Bl -tag -width /dev/mixer[0-3] -compact 77.It Pa /dev/mixer 78.It Pa /dev/mixer[0-3] 79.El 80.Sh SEE ALSO 81.Xr mixerctl 1 , 82.Xr mixer 4 83.Sh HISTORY 84The first version (only available in pkgsrc) didn't support 85.Dv AUDIO_MIXER_SET 86properly, among other bugs. 87.Sh AUTHORS 88.Nm 89was written by 90.An Nia Alarie 91.Aq nia@NetBSD.org . 92.Sh BUGS 93.Nm aiomixer 94shows whatever mixer nodes the audio device's driver returns. 95Some drivers do not provide the most user-friendly control names. 96