splitTU          3626 source/encoder/search.cpp         bool yCbCrCbf = splitTU(mode, cuGeom, absPartIdx, tuDepth, resiYuv, splitCost, depthRange, 0);
splitTU          3646 source/encoder/search.cpp                         splitTU(mode, cuGeom, absPartIdx, tuDepth, resiYuv, splitCost, depthRange, 1);
splitTU           398 source/encoder/search.h     bool     splitTU(Mode& mode, const CUGeom& cuGeom, uint32_t absPartIdx, uint32_t tuDepth, ShortYuv& resiYuv, Cost& splitCost, const uint32_t depthRange[2], int32_t splitMore);