Function WelsMdFirstIntraMode

codec/encoder/core/src/svc_base_layer_md.cpp:1829–1856

}
bool WelsMdFirstIntraMode (sWelsEncCtx* pEncCtx, SWelsMD* pWelsMd, SMB* pCurMb, SMbCache* pMbCache) {
  SWelsFuncPtrList* pFunc = pEncCtx->pFuncList;

  int32_t iCostI16x16 = WelsMdI16x16 (pFunc, pEncCtx->pCurDqLayer, pMbCache, pWelsMd->iLambda);

  //compare cost_p16x16 with cost_i16x16
  if (iCostI16x16 < pWelsMd->iCostLuma) {
    pCurMb->uiMbType = MB_TYPE_INTRA16x16;
    pWelsMd->iCostLuma = iCostI16x16;

    pFunc->pfIntraFineMd (pEncCtx, pWelsMd, pCurMb, pMbCache);

    //add pEnc&rec to MD--2010.3.15
    if (IS_INTRA16x16 (pCurMb->uiMbType)) {
      pCurMb->uiCbp = 0;
      WelsEncRecI16x16Y (pEncCtx, pCurMb, pMbCache);
    }

    //chroma
    pWelsMd->iCostChroma = WelsMdIntraChroma (pFunc, pEncCtx->pCurDqLayer, pMbCache, pWelsMd->iLambda);
    WelsIMbChromaEncode (pEncCtx, pCurMb, pMbCache);  //add pEnc&rec to MD--2010.3.15
    pCurMb->uiChromPredMode = pMbCache->uiChmaI8x8Mode;
    pCurMb->pSadCost[0] = 0;
    return true; //intra_mb_type is best
  }

  return false;
}

void WelsMdInterMb (sWelsEncCtx* pEncCtx, SWelsMD* pWelsMd, SSlice* pSlice, SMB* pCurMb, SMbCache* pUnused) {
  SDqLayer* pCurDqLayer             = pEncCtx->pCurDqLayer;