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 missing #includes to fix 'make checkheaders'.
Originally committed as revision 11087 to svn://svn.ffmpeg.org/ffmpeg/trunk
cosmetics: Add #endif comment.
Originally committed as revision 10829 to svn://svn.ffmpeg.org/ffmpeg/trunk
Add support for decrypting asf files
Originally committed as revision 10821 to svn://svn.ffmpeg.org/ffmpeg/trunk