Smplayer is a complete front-end for Mplayer,it fully supports all Mplayer 's features, moreover,it offers more friendly interface and easy controlling.One of the most interesting features of SMPlayer: it remembers the settings of all files you play, so if you have to close the Smplayer while you are watching  movie,you can go on watching the movie from the same point next time, and with the same settings: audio track, subtitles, volume...