Globally rename the header inclusion guard names.
Consistently apply this rule: the guard name is obtained from thefilename by stripping the leading "lib", converting '/' and '.' to'_' and uppercasing the resulting name. Guard names in the rootdirectory have to be prefixed by "FFMPEG_"....
Add a new xvid-style IDCT using SSE2.
Originally committed as revision 12843 to svn://svn.ffmpeg.org/ffmpeg/trunk
Add a header file to declare Xvid IDCT functions.patch by Alexander Strange, astrange ithinksw com
Originally committed as revision 12794 to svn://svn.ffmpeg.org/ffmpeg/trunk