Technical Notes

Manpages - pw-loopback.1

NAME

pw-loopback - PipeWire loopback client

SYNOPSIS

pw-loopback [/options/]

DESCRIPTION

The pw-loopback program is a PipeWire client that uses the PipeWire loopback module to create loopback nodes, with configuration given via the command-line options.

OPTIONS

-h | –help

Show help.

-r | –remote=NAME

The name of the remote instance to connect to. If left unspecified, a connection is made to the default PipeWire instance.

-n | –name=NAME

Name of the loopback node

-g | –group=NAME

Name of the loopback node group

-c | –channels=NUMBER

Number of channels to provide

-m | –channel-map=MAP

Channel map (default [ FL, FR ])

-l | –latency=LATENCY

Desired latency in ms

-d | –delay=DELAY

Added delay in seconds (floating point allowed)

-C | –capture=TARGET

Target device to capture from

-P | –playback=TARGET

Target device to play to

–capture-props=PROPS

Wanted properties of capture node (in JSON)

–playback-props=PROPS

Wanted properties of capture node (in JSON)

AUTHORS

The PipeWire Developers <https://gitlab.freedesktop.org/pipewire/pipewire/issues>; PipeWire is available from <https://pipewire.org>

SEE ALSO

pipewire(1), pw-cat(1), pactl(1)

Other ways to create loopback nodes are adding the loopback module in the configuration of a PipeWire daemon, or loading the loopback module using Pulseaudio commands (pactl load-module module-loopback …).