Code:
rtmpdump -r "rtmpte://flash.streampower.be/bgc_festivals" -a "bgc_festivals" -p "http://www.skynet.be/muziek/festivals/rock-werchter-2012/vod/10250" -W "http://static.generation.portal.skynet.be/swf/player5.6.swf?v=20120619" -y "mp4:RW2012/concerts/within_temptation.mp4" --start 0 -o s.flv