The code is written from scratch by Laurent Aimar, Loren Merritt, Eric Petit(OS X), Min Chen (vfw/asm), Justin Clay(vfw), Christian Heine (asm), and Alex Izvorski (asm).
To decode, we suggest you to use a recent build of FFDShow, DivX H.264 Decoder or a media player that supports H.264 internally - like MPlayer (there are few interesting frontends for Windows: MPlayerUI, MPlayer Frontend), VLC (VideoLAN Client), KMPlayer, etc.

10X Speed Direct Download x264 MPEG-4 Video Codec 1713