Code:
rtmpdump -v -r "rtmp://149.255.37.25:80/pub" -a "pub" -f "WIN 12,0,0,77" -W "http://www.icastlive.tv/_.swf" -p "http://static.icastlive.tv/embed.php?channel=459427770&vw=627&vh=390&domain=www.icastlive.tv" -y "qPckKKuDk9H296chTHQN" -T "#ed%%h0#w@1" -o "output.flv"