DIAGBR 180 libavfilter/vf_xfade.c { "diagbr", "diag br transition", 0, AV_OPT_TYPE_CONST, {.i64=DIAGBR}, 0, 0, FLAGS, "transition" }, DIAGBR 1423 libavfilter/vf_xfade.c case DIAGBR: s->transitionf = s->depth <= 8 ? diagbr8_transition : diagbr16_transition; break;