Copyright (c) 2007 Jared D. McNeill <jmcneill@invisible.ca>
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.Dd February 6, 2021 .Dt PAD 4 .Os .Sh NAME .Nm pad .Nd Pseudo audio device driver .Sh SYNOPSIS .Cd "pseudo-device pad" .Cd "audio* at audiobus?" .Sh DESCRIPTION .Nm is a pseudo-device driver which provides support for feeding back PCM data from consumers of an .Xr audio 4 device to userland.
p The raw PCM data readable from
a /dev/padN is encoded in stereo little-endian 16-bit linear PCM at 44100 Hz. .Sh FILES The .Nm pseudo-device driver receives data from
a /dev/audioN and feeds the raw PCM output to
a /dev/padN is opened. l -item t
a /dev/padN .El .Sh EXAMPLES The following example streams an MP3 to an Apple AirTunes compatible device: d -literal -offset indent $ rtunes - < /dev/pad0 & $ mpg123 -a /dev/audio1 mozart.mp3 .Ed
p Record the output of an application (in this case, audioplay): d -literal -offset indent $ ffmpeg -f s16le -ar 44100 -ac 2 -i /dev/pad0 output.wav $ audioplay -d /dev/audio1 input.wav .Ed .Sh SEE ALSO .Xr audio 4 .Sh HISTORY The .Nm driver appeared in .Nx 5.0 . .Sh AUTHORS .An Jared D. McNeill Aq Mt jmcneill@invisible.ca