NB_DITHERING      112 libavfilter/vf_paletteuse.c     { "dither", "select dithering mode", OFFSET(dither), AV_OPT_TYPE_INT, {.i64=DITHERING_SIERRA2_4A}, 0, NB_DITHERING-1, FLAGS, "dithering_mode" },
NB_DITHERING     1064 libavfilter/vf_paletteuse.c static const set_frame_func set_frame_lut[NB_COLOR_SEARCHES][NB_DITHERING] = {