mergeEstimation  2153 source/encoder/search.cpp         uint32_t mrgCost = numPart == 1 ? MAX_UINT : mergeEstimation(cu, cuGeom, pu, puIdx, merge);
mergeEstimation   427 source/encoder/search.h     uint32_t mergeEstimation(CUData& cu, const CUGeom& cuGeom, const PredictionUnit& pu, int puIdx, MergeData& m);