output="spotify_$(date +%Y-%m-%d_%H-%M-%S).mp4"
ffmpeg -f pulse -i alsa_output.pci-0000_06_00.6.HiFi__hw_Generic_1__sink.monitor \
       -f x11grab -video_size 980x612 -i :0.0+460,135 \
       -r 30 -c:v libx264 -preset veryfast -crf 23 \
       -c:a aac -b:a 192k "$output"