ffmpeg youtube live

ffmpeg -f v4l2 -s 640x360 -framerate 30 -r 30 -i /dev/video0 -f lavfi -re -i aevalsrc=0 -c:a aac -ar 44100 -b:a 11025 -c:v libx264 -pix_fmt yuv420p -preset ultrafast -r 30 -g 30 -b:v 750k -bufsize 500k -strict -2 -f flv rtmp://a.rtmp.youtube.com/live2/**