for file in *
do

ffmpeg -re -i "$file" -vcodec libx264 -preset fast -crf 28 -acodec libfaac -ab 128k -ar 44100 -ac 2 -s hd480 -aspect 16:9 -threads 0 -f flv rtmp://live.justin.tv/app/xxxxxxxxxxxxxxxxxxxxxx

sleep 12

done