Added the over-requested underrated black-border around scaled movies that everyone's been nagging me about lately =).
Fixed the following Bugs:
YV12 video getting cropped at the bottom
Lockups on exit (if these problems surface again, contact me please)
Invalid stride in YUY2 playback
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@3233 b3059339-0415-0410-9bf9-f77b7e298cf2