# Prerequisites
sudo rpi-update
sudo apt install pipewire linuxptp

# add udev rule
sudo cp 90-pipewire-aes67-ptp.rules /etc/udev/rules.d/
sudo udevadm control --reload-rules && sudo udevadm trigger


# set up aes67.conf
ptp4l -mq -i eth0 -f aes67.conf

# make a copy of pipewire setup file 
sudo cp /usr/share/pipewire/pipewire-aes67.conf ~/.config/pipewire/

# start pipewire
pipewire-aes67

# show devices
pw-cli ls Node
pw-link -o    # List output ports (sources, e.g. rtp-sink)
pw-link -i    # List input ports (sinks, e.g. Jabra SPEAK 410)

# Attach a monitor
pw-link rtp-sink:monitor_CH1 alsa_output.usb-0b0e_Jabra_SPEAK_410_USB_08C8C2AE9777x011200-00.analog-stereo:playback_FL
pw-link rtp-sink:monitor_CH2 alsa_output.usb-0b0e_Jabra_SPEAK_410_USB_08C8C2AE9777x011200-00.analog-stereo:playback_FR

# show links
pw-link -l

# test
apt install ffmpeg
ffmpeg -re -i /usr/share/sounds/alsa/Front_Center.wav \
  -acodec pcm_s16le -ar 48000 -ac 2 \
  -f rtp rtp://239.69.150.243:5004