Add libavcodec to compiler include flags in order to simplify headerinclude paths in the source files.mostly from a patch by Ronald S. Bultje, rbultje ronald.bitfreak net
Originally committed as revision 9034 to svn://svn.ffmpeg.org/ffmpeg/trunk
Change license headers to say 'FFmpeg' instead of 'this program/this library'and fix GPL/LGPL version mismatches.
Originally committed as revision 6577 to svn://svn.ffmpeg.org/ffmpeg/trunk
some MMX optimizations for the CAVS decoder
Originally committed as revision 5846 to svn://svn.ffmpeg.org/ffmpeg/trunk