LOG2_SCAN_SET_SIZE  263 source/common/quant.cpp     const int cgLastScanPos = (lastScanPos >> LOG2_SCAN_SET_SIZE);
LOG2_SCAN_SET_SIZE  272 source/common/quant.cpp         int cgStartPos = cg << LOG2_SCAN_SET_SIZE;
LOG2_SCAN_SET_SIZE  704 source/common/quant.cpp     const int cgLastScanPos = (lastScanPos >> LOG2_SCAN_SET_SIZE);
LOG2_SCAN_SET_SIZE 1332 source/common/quant.cpp         const int realLastScanPos = (bestLastIdx - 1) >> LOG2_SCAN_SET_SIZE;
LOG2_SCAN_SET_SIZE 1337 source/common/quant.cpp             int subPos = subSet << LOG2_SCAN_SET_SIZE;