Mp4DL - Mp4 Video Downloader

eg: http://www.youtube.com/watch?v=u7deClndzQw
eg: https://www.facebook.com/video/video.php?v=2054374751994
eg: http://www.vidoevo.com/yvideo.php?i=cnB3dk9PcWuRpejZ4Szg&ephesus
eg: http://facedl.com/fvideo.php?f=awwwkiaiukine&istanbul-farid-farjad