Function WelsUpdateSliceHeaderSyntax

codec/encoder/core/src/ref_list_mgr_svc.cpp:662–705

}

void WelsUpdateSliceHeaderSyntax (sWelsEncCtx* pCtx,  const int32_t iAbsDiffPicNumMinus1,
                                  SSlice** ppSliceList, const int32_t uiFrameType) {
  const int32_t kiCountSliceNum = pCtx->pCurDqLayer->iMaxSliceNum;
  SLTRState* pLtr               = &pCtx->pLtr[pCtx->uiDependencyId];
  int32_t iIdx = 0;

  assert (kiCountSliceNum > 0);

  for (iIdx = 0; iIdx < kiCountSliceNum; iIdx++) {
    SSliceHeaderExt*    pSliceHdrExt = &ppSliceList[iIdx]->sSliceHeaderExt;
    SSliceHeader*       pSliceHdr = &pSliceHdrExt->sSliceHeader;
    SRefPicListReorderSyntax* pRefReorder = &pSliceHdr->sRefReordering;
    SRefPicMarking* pRefPicMark = &pSliceHdr->sRefMarking;

    /*syntax for num_ref_idx_l0_active_minus1*/
    pSliceHdr->uiRefCount = pCtx->iNumRef0;
    if (pCtx->iNumRef0 > 0) {
      if ((!pCtx->pRefList0[0]->bIsLongRef) || (!pCtx->pSvcParam->bEnableLongTermReference)) {
        pRefReorder->SReorderingSyntax[0].uiReorderingOfPicNumsIdc = 0;
        pRefReorder->SReorderingSyntax[0].uiAbsDiffPicNumMinus1 = iAbsDiffPicNumMinus1;
        pRefReorder->SReorderingSyntax[1].uiReorderingOfPicNumsIdc = 3;
      } else {
        int32_t iRefIdx = 0;
        for (iRefIdx = 0; iRefIdx < pCtx->iNumRef0; iRefIdx++) {
          pRefReorder->SReorderingSyntax[iRefIdx].uiReorderingOfPicNumsIdc = 2;
          pRefReorder->SReorderingSyntax[iRefIdx].iLongTermPicNum = pCtx->pRefList0[iRefIdx]->iLongTermPicNum;
        }
        pRefReorder->SReorderingSyntax[iRefIdx].uiReorderingOfPicNumsIdc = 3;
      }
    }

    /*syntax for dec_ref_pic_marking()*/
    if (videoFrameTypeIDR == uiFrameType) {
      pRefPicMark->bNoOutputOfPriorPicsFlag = false;
      pRefPicMark->bLongTermRefFlag = pCtx->pSvcParam->bEnableLongTermReference;
    } else {
      if (pCtx->pSvcParam->iUsageType == SCREEN_CONTENT_REAL_TIME)
        pRefPicMark->bAdaptiveRefPicMarkingModeFlag = pCtx->pSvcParam->bEnableLongTermReference;
      else
        pRefPicMark->bAdaptiveRefPicMarkingModeFlag = (pCtx->pSvcParam->bEnableLongTermReference
            && pLtr->bLTRMarkingFlag) ? (true) : (false);
    }
  }
}

/*
 *  update syntax for reference base related