Function WelsFreeDynamicMemory

codec/decoder/core/src/decoder.cpp:550–594

* free memory dynamically allocated during decoder */

 *  free memory dynamically allocated during decoder
 */
void WelsFreeDynamicMemory (PWelsDecoderContext pCtx) {

  CMemoryAlign* pMa = pCtx->pMemAlign;

  //free dq layer memory
  UninitialDqLayersContext (pCtx);

  //free FMO memory
  ResetFmoList (pCtx);

  //free ref-pic list & picture memory
  WelsResetRefPic (pCtx);

  PPicBuff* pPicBuff = &pCtx->pPicBuff;
  if (NULL != pPicBuff && NULL != *pPicBuff) {
    DestroyPicBuff (pCtx, pPicBuff, pMa);
  }
  if (GetThreadCount (pCtx) > 1) {
    //prevent from double destruction of PPicBuff
    PWelsDecoderThreadCTX pThreadCtx = (PWelsDecoderThreadCTX) (pCtx->pThreadCtx);
    int32_t threadCount = pThreadCtx->sThreadInfo.uiThrMaxNum;
    int32_t  id = pThreadCtx->sThreadInfo.uiThrNum;
    for (int32_t i = 0; i < threadCount; ++i) {
      if (pThreadCtx[i - id].pCtx != NULL) {
        pThreadCtx[i - id].pCtx->pPicBuff = NULL;
      }
    }
  }

  if (pCtx->pTempDec) {
    FreePicture (pCtx->pTempDec, pCtx->pMemAlign);
    pCtx->pTempDec = NULL;
  }

  // added for safe memory
  pCtx->iImgWidthInPixel  = 0;
  pCtx->iImgHeightInPixel = 0;
  pCtx->iLastImgWidthInPixel  = 0;
  pCtx->iLastImgHeightInPixel = 0;
  pCtx->bFreezeOutput = true;
  pCtx->bHaveGotMemory = false;

  //free CABAC memory
  pMa->WelsFree (pCtx->pCabacDecEngine, "pCtx->pCabacDecEngine");
}

/*!
 * \brief   Open decoder