PLANE_B            83 libavfilter/vf_edgedetect.c         { "b", "filter blue plane",  0, AV_OPT_TYPE_CONST, {.i64=PLANE_B}, 0, 0, FLAGS, "flags" },
PLANE_B            58 libavfilter/vf_extractplanes.c     {      "b", "set blue plane",  0, AV_OPT_TYPE_CONST, {.i64=PLANE_B}, 0, 0, FLAGS, "flags"},
PLANE_B           209 libavfilter/vf_extractplanes.c     plane_avail = ((desc->flags & AV_PIX_FMT_FLAG_RGB) ? PLANE_R|PLANE_G|PLANE_B :