How to make MPlayer to play video with CoreAVC?

"Eugene Kovgar" <[email protected]> Mon, 02 Aug 2010 21:23:20 +0300
Newsgroups gmane.comp.video.mplayer.cygwin
Message-ID <op.vgtpc6d3edexhr@shit-80c64d9d78>
In windows xp is installer latest CoreAVC 2.0 video decoder.
And with mplayer.exe -vc coreavcwindows video.mkv command I'm getting  
working sound and dark video window without picture. So how to make it  
work?