BLACK             112 libavfilter/vsrc_mandelbrot.c     {"black",       "set black mode",                0, AV_OPT_TYPE_CONST, {.i64=BLACK}, INT_MIN, INT_MAX, FLAGS, "inner"},
BLACK             290 libavfilter/vsrc_mandelbrot.c             use_zyklus= (x==0 || mb->inner!=BLACK ||color[x-1 + y*linesize] == 0xFF000000);