use RTMPExplorer with rtmpsrv or rtmpsuck
Code:
rtmpdump -r "rtmpe://fms.5011.edgecastcdn.net/805011/content.tv3.ie/content/videos/0492/" -a "805011/content.tv3.ie/content/videos/0492/" -f "WIN 11,9,900,117" -W "http://www.tv3.ie/player/assets/flowplayer/flash/flowplayer.commercial-3.2.7.swf" -p "http://www.tv3.ie/player/show/518/70139/1/" -y "mp4:lllfull_oct10_3Player_1_70139.mp4" -o "output.flv"