AVISYNTH_LIB       35 libavformat/avisynth.c   #define AVISYNTH_LIB "avisynth"
AVISYNTH_LIB       41 libavformat/avisynth.c       #define AVISYNTH_LIB "libavxsynth.dylib"
AVISYNTH_LIB       43 libavformat/avisynth.c       #define AVISYNTH_LIB "libavxsynth.so"