Code:
ffmpeg -i "rtmp://wcdn101.nacevi.cz:80/nova-vod?id=MzAxYWE0ZHxlYzZmYzA5NjB8MXw1/mp4:nova/2011/09/2011-09-04_Comeback-Zabijacka-14-dil-D309975_tn.mp4 playpath=mp4:nova/2011/09/2011-09-04_Comeback-Zabijacka-14-dil-D309975_tn.mp4" -vcodec copy -acodec copy t.mp4