Function RcInitRefreshParameter

codec/encoder/core/src/ratectl.cpp:290–333

}

void RcInitRefreshParameter (sWelsEncCtx* pEncCtx) {
  const int32_t kiDid                         = pEncCtx->uiDependencyId;
  SWelsSvcRc* pWelsSvcRc                      = &pEncCtx->pWelsSvcRc[kiDid];
  SRCTemporal* pTOverRc                       = pWelsSvcRc->pTemporalOverRc;
  SSpatialLayerConfig* pDLayerParam           = &pEncCtx->pSvcParam->sSpatialLayers[kiDid];
  SSpatialLayerInternal* pDLayerParamInternal = &pEncCtx->pSvcParam->sDependencyLayers[kiDid];
  const int32_t kiHighestTid = pDLayerParamInternal->iHighestTemporalId;
  const bool fix_rc_overshoot = pEncCtx->pSvcParam->bFixRCOverShoot;
  int32_t i;

//I frame R-Q Model
  pWelsSvcRc->iIntraComplexity = 0;
  pWelsSvcRc->iIntraMbCount = 0;
  pWelsSvcRc->iIntraComplxMean = 0;
//P frame R-Q Model
  for (i = 0; i <= kiHighestTid; i++) {
    pTOverRc[i].iPFrameNum = 0;
    pTOverRc[i].iLinearCmplx = 0;
    pTOverRc[i].iFrameCmplxMean = 0;
  }

  pWelsSvcRc->iBufferFullnessSkip = 0;
  pWelsSvcRc->iBufferMaxBRFullness[EVEN_TIME_WINDOW] = 0;
  pWelsSvcRc->iBufferMaxBRFullness[ODD_TIME_WINDOW] = 0;
  pWelsSvcRc->iPredFrameBit = 0;
  pWelsSvcRc->iBufferFullnessPadding = 0;

  pWelsSvcRc->iGopIndexInVGop = 0;
  if (fix_rc_overshoot) {
    pWelsSvcRc->iLastAllocatedBits = 0;
  }
  pWelsSvcRc->iRemainingBits = 0;
  pWelsSvcRc->iBitsPerFrame = 0;

//Backup the initial bitrate and fps
  pWelsSvcRc->iPreviousBitrate  = pDLayerParam->iSpatialBitrate;
  pWelsSvcRc->dPreviousFps      = pDLayerParamInternal->fOutputFrameRate;

  memset (pWelsSvcRc->pCurrentFrameGomSad, 0, pWelsSvcRc->iGomSize * sizeof (int32_t));

  RcInitTlWeight (pEncCtx);
  RcUpdateBitrateFps (pEncCtx);
  RcInitVGop (pEncCtx);
}

bool RcJudgeBitrateFpsUpdate (sWelsEncCtx* pEncCtx) {
  int32_t iCurDid = pEncCtx->uiDependencyId;