The AVI FourCC Code changer allows you to change the FourCC code in an AVI file. The FourCC code is the identification key used by the AVI format to inform itself of which decoder to use for the AVI file playback.
Author Site (support): http://www.videohelp.com/tools/AVI-FourCC-Code-Changer
Download (Windows): http://www.videohelp.com/download/avic100.zip
List of FourCC Codecs is available here : http://www.fourcc.org/codecs.php
Common codecs are :