Problem solved.
Real Player codecs:
http://ftp3.mplayerhq.hu/MPlayer/rel...codecs.tar.bz2 http://prdownloads.sourceforge.net/g...4.zip?download
First file is an archive. dlls from inside must be copyed in windows\system32 folder.
Second file is an archive. ax file from inside must be registered.
Tested and working ok.