1.\" $NetBSD: pad.4,v 1.5 2014/03/18 18:20:39 riastradh Exp $ 2.\" 3.\" Copyright (c) 2007 Jared D. McNeill <jmcneill@invisible.ca> 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 16.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 17.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 19.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25.\" POSSIBILITY OF SUCH DAMAGE. 26.\" 27.Dd November 11, 2007 28.Dt PAD 4 29.Os 30.Sh NAME 31.Nm pad 32.Nd Pseudo audio device driver 33.Sh SYNOPSIS 34.Cd "pseudo-device pad" 35.Cd "audio* at audiobus?" 36.Sh DESCRIPTION 37.Nm 38is a pseudo-device driver which provides support for feeding back PCM data 39from a consumer of the 40.Xr audio 4 41API to userland. 42.Sh FILES 43The 44.Nm 45pseudo-device driver receives data from 46.Pa /dev/soundN 47and feeds the raw PCM output to 48.Pa /dev/padN . 49.Bl -item 50.It 51.Pa /dev/soundN 52.It 53.Pa /dev/padN 54.El 55.Sh EXAMPLES 56The following example streams an MP3 to an Apple AirTunes compatible device: 57.Bd -literal -offset indent 58$ rtunes - \*[Lt] /dev/pad0 \*[Am] 59$ mpg123 -a /dev/sound1 mozart.mp3 60.Ed 61.Sh SEE ALSO 62.Xr audio 4 63.Sh HISTORY 64The 65.Nm 66driver 67appeared in 68.Nx 5.0 . 69.Sh AUTHORS 70.An Jared D. McNeill Aq Mt jmcneill@invisible.ca 71