here please
Code:
rtmpdump -v -r "rtmp://fss29.streamhoster.com:1935/supreme/_definst_" -a "supreme/_definst_" -f "WIN 14,0,0,145" -W "http://d38vuqmp8qc67y.cloudfront.net/player/flash/smp/2.0/player-c1.swf" -p "http://content.streamhoster.com/player/supreme/Live_1/scv_12Aug14_1049AM.mp4?autoPlay=1" -y "mp4:Live_1/scv_12Aug14_1049AM.mp4" -o "output.flv"