now compiles with x264 API versions 65 up to 85
patch prepared by darkshikari
Originally committed as revision 22042 to svn://svn.ffmpeg.org/ffmpeg/branches/0.5
Otherwise doxygen complains about ambiguous filenames when files exist
under the same name in different subdirectories.
Originally committed as revision 16912 to svn://svn.ffmpeg.org/ffmpeg/trunk
Only select the Alpha IDCT if auto or explicitly requested. Also
disable it in lowres mode.
Originally committed as revision 16666 to svn://svn.ffmpeg.org/ffmpeg/trunk