NAL_UNIT_CODED_SLICE_TSA_N  155 source/encoder/dpb.cpp             slice->m_nalUnitType = m_bTemporalSublayer ? NAL_UNIT_CODED_SLICE_TSA_N : NAL_UNIT_CODED_SLICE_TRAIL_N;
NAL_UNIT_CODED_SLICE_TSA_N  117 source/encoder/nal.cpp     out[bytes++] = 1 + (nalUnitType == NAL_UNIT_CODED_SLICE_TSA_N);