OVERLAY_FORMAT_RGB  234 libavfilter/vf_overlay.c     case OVERLAY_FORMAT_RGB:
OVERLAY_FORMAT_RGB  843 libavfilter/vf_overlay.c     case OVERLAY_FORMAT_RGB:
OVERLAY_FORMAT_RGB  889 libavfilter/vf_overlay.c     case OVERLAY_FORMAT_RGB:
OVERLAY_FORMAT_RGB 1010 libavfilter/vf_overlay.c         { "rgb",    "", 0, AV_OPT_TYPE_CONST, {.i64=OVERLAY_FORMAT_RGB},    .flags = FLAGS, .unit = "format" },