PLANE_Y            78 libavfilter/vf_edgedetect.c         { "y", "filter luma plane",  0, AV_OPT_TYPE_CONST, {.i64=PLANE_Y}, 0, 0, FLAGS, "flags" },
PLANE_Y            53 libavfilter/vf_extractplanes.c     {      "y", "set luma plane",  0, AV_OPT_TYPE_CONST, {.i64=PLANE_Y}, 0, 0, FLAGS, "flags"},
PLANE_Y           210 libavfilter/vf_extractplanes.c                                                  PLANE_Y |