OptionalSplit     143 libde265/encoder/algo/cb-split.cc     if (split_type == OptionalSplit) {
OptionalSplit     163 libde265/encoder/algo/cb-split.cc     if (split_type == OptionalSplit) {
OptionalSplit    1651 libde265/encoder/encoder-syntax.cc     return OptionalSplit;
OptionalSplit    1672 libde265/encoder/encoder-syntax.cc   if (split_flag == OptionalSplit) {