ffmpeg x11grab to youtube

ffmpeg to youtube
/usr/bin/ffmpeg \
    -loglevel level+info \
    -thread_queue_size 1024 \
    -f x11grab \
    -s 1920x1080 \
    -framerate 30 \
    -r 30 \
    -probesize 42M \
    -i :0.0+1440,0 \
    -f lavfi \
    -i anullsrc \
    -c:v libx264 \
    -pix_fmt yuv420p \
    -g  60 \
    -b:v 2500k \
    -c:a libmp3lame \
    -ar 44100 \
    -b:a 32k \
    -maxrate 5000k \
    -bufsize 2500k \
    -preset ultrafast \
    -flvflags no_duration_filesize  \
    -f flv "rtmp://a.rtmp.youtube.com/live2/$KEY"