Function ReallocSliceBuffer

codec/encoder/core/src/svc_encode_slice.cpp:1397–1449

}

int32_t ReallocSliceBuffer (sWelsEncCtx* pCtx) {

  SDqLayer* pCurLayer      = pCtx->pCurDqLayer;
  int32_t iMaxSliceNumOld  = pCurLayer->sSliceBufferInfo[0].iMaxSliceNum;
  int32_t iMaxSliceNumNew  = 0;
  int32_t iRet             = 0;
  int32_t iSliceIdx        = 0;
  int32_t iSlcBuffIdx      = 0;
  int32_t iStartIdx        = 0;
  const int32_t kiCurDid   = pCtx->uiDependencyId;
  SSlice* pLastCodedSlice        = pCurLayer->sSliceBufferInfo[0].pSliceBuffer + (iMaxSliceNumOld - 1);
  SSliceArgument* pSliceArgument = & pCtx->pSvcParam->sSpatialLayers[kiCurDid].sSliceArgument;
  iRet = CalculateNewSliceNum (pCtx,
                               pLastCodedSlice,
                               iMaxSliceNumOld,
                               iMaxSliceNumNew);

  if (ENC_RETURN_SUCCESS != iRet) {
    return iRet;
  }

  iRet = ReallocateSliceList (pCtx,
                              pSliceArgument,
                              pCurLayer->sSliceBufferInfo[0].pSliceBuffer,
                              iMaxSliceNumOld,
                              iMaxSliceNumNew);
  if (ENC_RETURN_SUCCESS != iRet) {
    return iRet;
  }

  pCurLayer->sSliceBufferInfo[0].iMaxSliceNum = iMaxSliceNumNew;

  iMaxSliceNumNew = 0;
  for (iSlcBuffIdx = 0; iSlcBuffIdx < pCtx->iActiveThreadsNum; iSlcBuffIdx++) {
    iMaxSliceNumNew += pCurLayer->sSliceBufferInfo[iSlcBuffIdx].iMaxSliceNum;
  }

  iRet = ExtendLayerBuffer (pCtx, pCurLayer->iMaxSliceNum, iMaxSliceNumNew);
  if (ENC_RETURN_SUCCESS != iRet) {
    return iRet;
  }

  for (iSlcBuffIdx = 0; iSlcBuffIdx < pCtx->iActiveThreadsNum; iSlcBuffIdx++) {
    for (iSliceIdx = 0; iSliceIdx < pCurLayer->sSliceBufferInfo[iSlcBuffIdx].iMaxSliceNum; iSliceIdx++) {
      pCurLayer->ppSliceInLayer[iStartIdx + iSliceIdx] = pCurLayer->sSliceBufferInfo[iSlcBuffIdx].pSliceBuffer + iSliceIdx;
    }
    iStartIdx += pCurLayer->sSliceBufferInfo[iSlcBuffIdx].iMaxSliceNum;
  }

  pCurLayer->iMaxSliceNum = iMaxSliceNumNew;

  return ENC_RETURN_SUCCESS;
}

static inline int32_t CheckAllSliceBuffer (SDqLayer* pCurLayer, const int32_t kiCodedSliceNum) {
  int32_t iSliceIdx = 0;