aspect ratio problem on Mac

[zongyao.qu at gmail.com (Zongyao QU)]

I am developing a frontend on Mac OS X

And the users have submitted some issues I thought it may be mplayer's bug.

the address is 

http://code.google.com/p/mplayerx/issues/detail?id=103

I am not very familiar with this area,
david.oshea has submitted the comparison with ffplay.