raspivid -hf -n -t 0 -rot 90 -ISO 800 -ex night -w 540 -h 960 -fps 60 -b 500000 -vf -o - | avconv -v verbose -re -f h264 -analyzeduration 1 -probesize 1000 -fflags +nobuffer -i - -vcodec copy -an -f flv rtmp://localhost/flvplayback/babyPi