pseudo code required to decrypt xml
Code:
$key = md5("c8407a08b3c71ea418ec9dc662f2a56e40cbd6d5a114aa50fb1e1079e17f2b83" . md5($id))
$decrypted_xml = rc4.decrypt(hex_decode($encrypted_xml), $key)
$id is the ID used in url to retrieve xml.
Code:
http://www.myvideo.de/dynamic/get_player_video_xml.php?ID=8375222&flash_playertype=D&autorun=yes
i successfully tested the above method to decrypt xml and download video with rtmpdump.