$NetBSD: patch-doc_indevs.texi,v 1.1 2022/01/31 23:16:41 ryoon Exp $

* Add sunau documentation.

--- doc/indevs.texi.orig	2019-12-31 21:35:22.000000000 +0000
+++ doc/indevs.texi
@@ -1282,6 +1282,35 @@ Set the number of channels. Default is 2
 
 @end table
 
+@section sunau
+
+Solaris/NetBSD audio input device.
+
+The filename to provide to the input device is the device node
+representing the Sun input device, and is usually set to
+@file{/dev/audio0}.
+
+For example to grab from @file{/dev/audio0} using @command{ffmpeg} use the
+command:
+@example
+ffmpeg -f sunau -i /dev/audio0 /tmp/oss.wav
+@end example
+
+@subsection Options
+
+@table @option
+
+@item buffer_samples
+Set the size of the audio buffer in samples. Default is 32.
+
+@item sample_rate
+Set the sample rate in Hz. Default is 48000.
+
+@item channels
+Set the number of channels. Default is 2.
+
+@end table
+
 @section video4linux2, v4l2
 
 Video4Linux2 input video device.