Function FmoParamUpdate

codec/decoder/core/src/fmo.cpp:260–274

! * \brief update/insert FMO parameter unit * * \param _fmo FMO context * \param _sps PSps * \param _pps PPps * \param pActiveFmoNum int32_t* [in/out] * * \return true - update/insert successfully; false - failed; */

 * \return  true - update/insert successfully; false - failed;
 */
int32_t FmoParamUpdate (PFmo pFmo, PSps pSps, PPps pPps, int32_t* pActiveFmoNum, CMemoryAlign* pMa) {
  const uint32_t kuiMbWidth = pSps->iMbWidth;
  const uint32_t kuiMbHeight = pSps->iMbHeight;
  int32_t iRet = ERR_NONE;
  if (FmoParamSetsChanged (pFmo, kuiMbWidth * kuiMbHeight, pPps->uiSliceGroupMapType, pPps->uiNumSliceGroups)) {
    iRet = InitFmo (pFmo, pPps, kuiMbWidth, kuiMbHeight, pMa);
    WELS_VERIFY_RETURN_IF (iRet, iRet);

    if (!pFmo->bActiveFlag && *pActiveFmoNum < MAX_PPS_COUNT) {
      ++ (*pActiveFmoNum);
      pFmo->bActiveFlag = true;
    }
  }
  return iRet;
}

/*!
 * \brief   Convert kMbXy to slice group idc correspondingly