FADEBLACK         162 libavfilter/vf_xfade.c     {   "fadeblack",  "fadeblack transition",   0, AV_OPT_TYPE_CONST, {.i64=FADEBLACK},  0, 0, FLAGS, "transition" },
FADEBLACK        1405 libavfilter/vf_xfade.c     case FADEBLACK:  s->transitionf = s->depth <= 8 ? fadeblack8_transition  : fadeblack16_transition;  break;