Originally Posted by seth_keith
VC-1 will not play
Interlaced VC1 is not supported by FFmpeg (and therefore, with an exception for a minority of files in xine-vdpau, by no open-source video player).
The problem is known and has been discussed already in this forum.
For the subtitle problems, you should test with -noconfig and report them to mplayer-users after compiling latest svn yourself.