Function FrameBsRealloc

codec/encoder/core/src/svc_encode_slice.cpp:1558–1595

}

int32_t FrameBsRealloc (sWelsEncCtx* pCtx,
                        SFrameBSInfo* pFrameBsInfo,
                        SLayerBSInfo* pLayerBsInfo,
                        const int32_t kiMaxSliceNumOld) {
  CMemoryAlign* pMA  = pCtx->pMemAlign;
  int32_t iCountNals = pCtx->pOut->iCountNals;
  iCountNals += kiMaxSliceNumOld * (pCtx->pSvcParam->iSpatialLayerNum + pCtx->bNeedPrefixNalFlag);

  SWelsNalRaw* pNalList = (SWelsNalRaw*)pMA->WelsMallocz (iCountNals * sizeof (SWelsNalRaw), "pOut->sNalList");
  if (NULL == pNalList) {
    WelsLog (& (pCtx->sLogCtx), WELS_LOG_ERROR, "CWelsH264SVCEncoder::FrameBsRealloc: pNalList is NULL");
    return ENC_RETURN_MEMALLOCERR;
  }
  memcpy (pNalList, pCtx->pOut->sNalList, sizeof (SWelsNalRaw) * pCtx->pOut->iCountNals);
  pMA->WelsFree (pCtx->pOut->sNalList, "pOut->sNalList");
  pCtx->pOut->sNalList = pNalList;

  int32_t* pNalLen = (int32_t*)pMA->WelsMallocz (iCountNals * sizeof (int32_t), "pOut->pNalLen");
  if (NULL == pNalLen) {
    WelsLog (& (pCtx->sLogCtx), WELS_LOG_ERROR, "CWelsH264SVCEncoder::FrameBsRealloc: pNalLen is NULL");
    return ENC_RETURN_MEMALLOCERR;
  }
  memcpy (pNalLen, pCtx->pOut->pNalLen, sizeof (int32_t) * pCtx->pOut->iCountNals);
  pMA->WelsFree (pCtx->pOut->pNalLen, "pOut->pNalLen");
  pCtx->pOut->pNalLen = pNalLen;

  pCtx->pOut->iCountNals = iCountNals;
  SLayerBSInfo* pLBI1, *pLBI2;
  pLBI1 = &pFrameBsInfo->sLayerInfo[0];
  pLBI1->pNalLengthInByte = pCtx->pOut->pNalLen;
  while (pLBI1 != pLayerBsInfo) {
    pLBI2 = pLBI1;
    ++ pLBI1;
    pLBI1->pNalLengthInByte = pLBI2->pNalLengthInByte + pLBI2->iNalCount;
  }

  return ENC_RETURN_SUCCESS;
}

int32_t SliceLayerInfoUpdate (sWelsEncCtx* pCtx,
                              SFrameBSInfo* pFrameBsInfo,