stozi- I've had more than a few .mp4s that will not play with gnome mplayer, but will play with smplayer.
I believe its due to the encoder used for the audio and/or video, the ones that wont play on gnome mplayer but will play on smplayer seem to have been encoded with newer codec versions.
I really should have a bit more of a dig into the problem.....to be honest if a video fails me on gnome mplayer, I just open it with smplayer. I havent worried about figuring out _exactly_ what is happening.
Originally Posted by John VV
mp4 is a compressed container for many different formats of music
just like mp3 is
MP3 isnt a container (depending on what exactly you call a 'container').