ffmpeg -f video4linux2 -r 30 -s 640x480 -i /dev/video1 -f alsa -ar 44100 -i hw:2,0 -acodec libfaac -strict experimental -b:a 128k -vcodec libx264 -preset ultrafast -tune zerolatency -x264opts "vbv-maxrate=5000:vbv-bufsize=400:slice-max-size=1500" -threads 0 -async 100 -itsoffset -10 -f flv rtmp://victoria.omgwallhack.org/flvplayback/jrayhawk2