phantomjs runner.js http://live.levaral.com/live-test/ | ffmpeg -y -c:v mjpeg \
-f image2pipe \
-framerate 30 \
-f lavfi -i anullsrc \
-c:a aac \
-pix_fmt yuv420p
-i - \
-re \
-r 30 \
-c:v libx264 \
-x264-params keyint=60 \
-b:v 1000k -minrate 1000k -maxrate 1000k -bufsize 500k \
-f flv 'rtmp://rtmp-api.facebook.com:80/'