> Being able to queue commands would be nice for the use case > of playing something in mplayer, then realising in the next > few minutes it will come to an end and wanting to append > something else. I'm aware less command-centric media players > can do this, but I am rather fond of mplayer.
mplayer has the -quiet flag at least, I'm quite sure you can disable it's interactive features, too. I just don't want to read the man "page".