FF_API_OLD_FILTER_REGISTER  975 extra_lib/include/libavfilter/avfilter.h #if FF_API_OLD_FILTER_REGISTER
FF_API_OLD_FILTER_REGISTER 1012 extra_lib/include/libavfilter/avfilter.h #if FF_API_OLD_FILTER_REGISTER
FF_API_OLD_FILTER_REGISTER   79 extra_lib/include/libavfilter/version.h #ifndef FF_API_OLD_FILTER_REGISTER