CONTEXT_MODEL_REF_IDX_LX  128 libde265/slice.h CONTEXT_MODEL_REF_IDX_LX             = CONTEXT_MODEL_RQT_ROOT_CBF + 1,
CONTEXT_MODEL_REF_IDX_LX  129 libde265/slice.h CONTEXT_MODEL_INTER_PRED_IDC         = CONTEXT_MODEL_REF_IDX_LX + 2,