ffmpeg -f x11grab -s 698x392 -r 60 -i :0.0+1205,109 -f pulse -i alsa_output.pci-0000_00_1b.0.analog-stereo.monitor -ac 2 -c:v libx264 -tune zerolatency -preset ultrafast -pix_fmt yuv420p -tune zerolatency  -s 698x392 -acodec opus -ar 48000 -strict -2 -bufsize 100k -compression_level 2 -rc-lookahead 0 -f rawvideo 'tcp://localhost:25562?listen'