Hi James, thanks for reporting this
> This is reproducible if launching mplayer standalone to play the > video file with the 'wid' argument specified manually. Audio will > play, but video does not appear. > > What is worse, however, is that when the 'nokeepaspect' parameter is > added, as is the case with smplayer, then mplayer itself crashes with > a floating-point math exception. This appears to occur here: > https://sources.debian.org/src/mplayer/2%3A1.5%2Bsvn38408-1/libvo/vo_xv.c/#L365-L367 I've opened an issue for this at mplayer upstream tracker https://trac.mplayerhq.hu/ticket/2411 let's see if this can be addressed in mplayer Lorenzo