Binds Audio from one Pulse Audio server to another

pa-bind.py

#!/usr/bin/env python3

import os, sys
import pasimple

# Set this variable to the IP address of another system running Pulse where you want send playback.
PA_SERVER = os.environ.get('PA_SERVER', '192.168.1.3')

# NOTE: Remove the file /tmp/pa-bind.pid to kill the bridge
PIDFILE = '/tmp/pa-bind.pid'

def main():
    play = pasimple.PaSimple(
        direction=pasimple.PA_STREAM_PLAYBACK,
        rate=48000,
        format=pasimple.PA_SAMPLE_S16LE,
        channels=2,
        app_name='pa-bind',
        stream_name='pa-bind-speaker',
        server_name=PA_SERVER
    )

    record = pasimple.PaSimple(
        direction=pasimple.PA_STREAM_RECORD,
        rate=48000,
        format=pasimple.PA_SAMPLE_S16LE,
        channels=2,
        app_name='pa-bind',
        stream_name='pa-bind-instance',
    )

    open(PIDFILE, 'w').write(str(os.getpid()) + '\n')
    while os.path.exists(PIDFILE):
        # Read a chunk of audio data from the microphone
        data = record.read(4096)
        # Write the audio data to the speaker
        play.write(data)
    return 0

if __name__ == '__main__':
    sys.exit(main())