x264 is a free software library for encoding H.264/MPEG-4 AVC video streams.
Written from scratch by Loren Merritt, Laurent Aimar, Eric Petit, Min
Chen, David Johnson (pT), Justin Clay, Måns Rullgård, Radek Czyz, Alex
Izvorski, Dan Peled, Alex Wright, Christian Heine, and Jason
Garrett-Glaser. It is released under the terms of the GNU General
Public License.
Several graphical user interfaces have been made for the command
line version, including Staxrip, MeGUI, AutoAC and a x264CLI GUI
(requires .NET (1.1) framework).
Info:
http://en.wikipedia.org/wiki/X264
Requirements:
* LIBC063.DLL
* NASM 2.00 or later
-> URL: ttp://hobbes.nmsu.edu/h-search.php?key=x264-snapshot-20080924-2245
Source: OS2.org