FF_API_FOO_COUNT 642 extra_lib/include/libavfilter/avfilter.h #if FF_API_FOO_COUNT FF_API_FOO_COUNT 649 extra_lib/include/libavfilter/avfilter.h #if FF_API_FOO_COUNT FF_API_FOO_COUNT 1169 extra_lib/include/libavfilter/avfilter.h #if FF_API_FOO_COUNT FF_API_FOO_COUNT 1174 extra_lib/include/libavfilter/avfilter.h #if !FF_API_FOO_COUNT FF_API_FOO_COUNT 1180 extra_lib/include/libavfilter/avfilter.h #if FF_API_FOO_COUNT FF_API_FOO_COUNT 55 extra_lib/include/libavfilter/version.h #ifndef FF_API_FOO_COUNT