Code:
rtmpdump -r "rtmp://artestras.fcod.llnwd.net/a3903/o35/" -a "a3903/o35/" -f "WIN 13,0,0,214" -W "http://www.arte.tv/arte_vp/jwplayer6/mediaplayer.6.6.swf" -p "http://www.arte.tv/arte_vp/index.php?json_url=http://www.arte.tv/papi/tvguide/videos/stream/player/F/049881-027_PLUS7-F/ALL/ALL.json&lang=fr_FR&config=arte_tvguide&embed=1&rendering_place=http://ddc.arte.tv/emission/une-belgique-des-belgiques" -y "mp4:geo/videothek/ALL/tvguide/049881-027-A_SQ_2_VOF_01296554_MP4-2200_AMM-Tvguide.mp4?e=1401048601&h=ce0e8df86e4076c8b81a6ed036bf475a" -o "2014-05-25_08-14-30_049881-027-A_SQ_2_VOF_01296554_MP4-2200_AMM-Tvguide.flv"