Simple Yad Frontend to set Pipewire metadata and other pro audio shortcuts

pw-meta.sh

#!/bin/bash
# Simple Yad Frontend to set Pipewire metadata
# Adapted from this post: https://discourse.ardour.org/t/simple-pipewire-pw-metadata-ui/109207/2
# sudo cat /etc/sudoers.d/cpupower                                                                                                                                           20:03:16
# user ALL=(ALL) NOPASSWD: /usr/bin/cpupower

quantum=$(pw-metadata -n settings 0 clock.force-quantum |  sed -n "s/.*value:'\([^']*\)'.*/\1/p")
rate=$(pw-metadata -n settings 0 clock.force-rate |  sed -n "s/.*value:'\([^']*\)'.*/\1/p")
governor=$(cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor | head -1)
governors=$(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors | sed 's/ /!/g')

IFS='|' read -ra output <<<\
$(yad\
 --form --columns=1\
 --field="Quantum (buffer):CB" ''!^$quantum!64!128!256!512!1024!2048\
 --field="Samples/Rate:CB" ''!^$rate!44100!48000!88200!96000\
 --field="CPU Governor:CB" !^$governor\!$governors\
 --field="Run qpwgraph:SW" \
 --height=128\
 --width=480\
 --center\
 --title="Set PipeWire Metadata"\
 --window-icon=preferences\
 --text="Pro Audio Shortcuts"\
 --text-align=center)\

if ! [[ -z "$output" ]]; then
 echo $output
 pw-metadata -n settings 0 clock.force-quantum ${output[0]}
 pw-metadata -n settings 0 clock.force-rate ${output[1]}
 sudo cpupower frequency-set -g ${output[2]}
 echo ${output[3]}

fi 
 

# pw-metadata -n settings 2>&1 |\ 
# yad\
#  --text-info\
#  --width=540\
#  --height=280\
#  --center\
#  --window-icon=preferences\
#  --title="Current PipeWire Metadata Settings"\

exit