Small tool to proxy between pgm, udp or stdin/stdout.
Requirements (on debian): libpgm-dev, libglib2.0-dev
Use make. If it doesn't work, tweak it until it does.
See pgmproxy -h.
On the receiver, run:
./pgmproxy 2 'eth0;227.0.0.1' 9000 1 127.0.0.1 7777
nc -u -l -p 7777 | mpv -
On the sender, run:
./pgmproxy 1 127.0.0.1 6666 2 'eth0;227.0.0.1' 9000 &
ffmpeg -re -i sober.flac -f flac udp://localhost:6666