.\"     $NetBSD: aiomixer.1,v 1.1 2021/05/07 16:29:24 nia Exp $
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.\" Copyright (c) 2021 The NetBSD Foundation, Inc.
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.\" This code is derived from software contributed to The NetBSD Foundation
.\" by Nia Alarie.
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.Dd April 4, 2019
.Dt AIOMIXER 1
.Os
.Sh NAME
.Nm aiomixer
.Nd graphical mixer for
.Nx
audio
.Sh SYNOPSIS
.Nm aiomixer
.Op Fl d Ar device
.Op Fl u
.Sh DESCRIPTION
.Nm
is a graphical frontend for
.Xr mixer 4
devices that runs in your terminal.
.Pp
.Nm
is primarily controlled using the cursor keys, e.g. to select a
control, or change a control's value.
Movement similar to
.Xr vi 1
is also supported.
The current class can be changed with the number keys.
The Q or Escape key can be used to return to the previous pane or exit
.Nm .
.Pp
By default, volume levels for individual channels cannot be changed
separately.
The U key can be pressed to toggle changing the volume of individual
channels.
.Pp
The following options are available:
.Bl -tag -width indent
.It Fl d Ar device
Used to specify an alternative mixer device.
.It Fl u
Used to unlock channels on start up.
.El
.Sh FILES
.Bl -tag -width /dev/mixer[0-3] -compact
.It Pa /dev/mixer
.It Pa /dev/mixer[0-3]
.El
.Sh SEE ALSO
.Xr mixerctl 1 ,
.Xr mixer 4
.Sh HISTORY
The first version (only available in pkgsrc) didn't support
.Dv AUDIO_MIXER_SET
properly, among other bugs.
.Sh AUTHORS
.Nm
was written by 
.An Nia Alarie
.Aq nia@NetBSD.org .
.Sh BUGS
.Nm aiomixer
shows whatever mixer nodes the audio device's driver returns.
Some drivers do not provide the most user-friendly control names.