Contrary to what qyot27 posted a little while ago he did just publish a new version of his ffms2 C-Plugin:
Get it here:
http://forum.doom9.org/showthread.ph...12#post1783312
Tested it extensively under AVStoDVD, works perfectly even with my old WinXP Non-SSE2 computer. Just replace the file "ffms2.dll" (use the x32 version) in the "AVStoDVD\Lib" folder with the new version.
Cheers
manolito