RD_OPT_NONE       774 3rdparty/libwebp/enc/frame.c       const VP8RDLevel rd_opt = (method >= 3) ? RD_OPT_BASIC : RD_OPT_NONE;
RD_OPT_NONE      1028 3rdparty/libwebp/enc/quant.c   if (rd_opt > RD_OPT_NONE) {
RD_OPT_NONE       129 3rdparty/libwebp/enc/webpenc.c                      : RD_OPT_NONE;