Limelight

rtmpdump -r "rtmp://bbcmedia.fcod.llnwd.net:1935/a1414/e3?as=adobe-hmac-sha256&av=1&te=connect&mp=iplayerstream/secure_auth/1500kbps/parkie02-00076616-HIDDLESTONE_Flash9_Hi_v1_0.mp4,iplayerstream/secure_auth/parkie02-00076616-HIDDLESTONE_Flash8_v1_1.flv,iplayerstream/secure_auth/800kbps/parkie02-00076616-HIDDLESTONE_Flash9_Med_v1_0.mp4&et=1322098835&fmta-token=92373bed5f339f2d3f23fa5767ad0c8bf90dd2f322078f774bba60228dcaa35d" -a "a1414/e3?as=adobe-hmac-sha256&av=1&te=connect&mp=iplayerstream/secure_auth/1500kbps/parkie02-00076616-HIDDLESTONE_Flash9_Hi_v1_0.mp4,iplayerstream/secure_auth/parkie02-00076616-HIDDLESTONE_Flash8_v1_1.flv,iplayerstream/secure_auth/800kbps/parkie02-00076616-HIDDLESTONE_Flash9_Med_v1_0.mp4&et=1322098835&fmta-token=92373bed5f339f2d3f23fa5767ad0c8bf90dd2f322078f774bba60228dcaa35d" -y "mp4:iplayerstream/secure_auth/1500kbps/parkie02-00076616-HIDDLESTONE_Flash9_Hi_v1_0.mp4" -o "output.mp4"