pParam->iPicWidth,           pParam->iPicHeight,           pParam->iTargetBitrate,           pParam->iMaxBitrate,           pParam->iRCMode,           pParam->iPaddingFlag,           pParam->iTemporalLayerNum,           pParam->iSpatialLayerNum,           pParam->fMaxFrameRate,           pParam->uiIntraPeriod,           pParam->eSpsPpsIdStrategy,           pParam->bPrefixNalAddingCtrl,           pParam->bSimulcastAVC,           pParam->bEnableDenoise,           pParam->bEnableBackgroundDetection,           pParam->bEnableSceneChangeDetect,           pParam->bEnableAdaptiveQuant,           pParam->bEnableFrameSkip,           pParam->bEnableLongTermReference,           pParam->iLtrMarkPeriod,           pParam->bIsLosslessLink,           pParam->iComplexityMode,           pParam->iNumRefFrame,           pParam->iEntropyCodingModeFlag,           pParam->uiMaxNalSize,           pParam->iLTRRefNum,           pParam->iMultipleThreadIdc,           pParam->iLoopFilterDisableIdc,           pParam->iLoopFilterAlphaC0Offset,           pParam->iLoopFilterBetaOffset,           pParam->iComplexityMode,           pParam->iMaxQp,           pParam->iMinQp          );  int32_t i = 0;  int32_t iSpatialLayers = (pParam->iSpatialLayerNum < MAX_SPATIAL_LAYER_NUM) ? (pParam->iSpatialLayerNum) :                           MAX_SPATIAL_LAYER_NUM;  while (i < iSpatialLayers) {    SSpatialLayerConfig* pSpatialCfg = &pParam->sSpatialLayers[i];    WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,             "sSpatialLayers[%d]: .iVideoWidth= %d; .iVideoHeight= %d; .fFrameRate= %.6ff; .iSpatialBitrate= %d; .iMaxSpatialBitrate= %d; .sSliceArgument.uiSliceMode= %d; .sSliceArgument.iSliceNum= %d; .sSliceArgument.uiSliceSizeConstraint= %d;"             "uiProfileIdc = %d;uiLevelIdc = %d",             i, pSpatialCfg->iVideoWidth,             pSpatialCfg->iVideoHeight,             pSpatialCfg->fFrameRate,             pSpatialCfg->iSpatialBitrate,             pSpatialCfg->iMaxSpatialBitrate,             pSpatialCfg->sSliceArgument.uiSliceMode,             pSpatialCfg->sSliceArgument.uiSliceNum,             pSpatialCfg->sSliceArgument.uiSliceSizeConstraint,             pSpatialCfg->uiProfileIdc,             pSpatialCfg->uiLevelIdc            );    ++ i;  }} void CWelsH264SVCEncoder::LogStatistics (const int64_t kiCurrentFrameTs, int32_t iMaxDid) {  for (int32_t iDid = 0; iDid <= iMaxDid; iDid++) {    SEncoderStatistics* pStatistics = & (m_pEncContext->sEncoderStatistics[iDid]);    WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,             "EncoderStatistics: SpatialId = %d,%dx%d, SpeedInMs: %f, fAverageFrameRate=%f, "             "LastFrameRate=%f, LatestBitRate=%d, LastFrameQP=%d, uiInputFrameCount=%d, uiSkippedFrameCount=%d, "             "uiResolutionChangeTimes=%d, uIDRReqNum=%d, uIDRSentNum=%d, uLTRSentNum=NA, iTotalEncodedBytes=%lu at Ts = %" PRId64,             iDid, pStatistics->uiWidth, pStatistics->uiHeight,             pStatistics->fAverageFrameSpeedInMs, pStatistics->fAverageFrameRate,             pStatistics->fLatestFrameRate, pStatistics->uiBitRate, pStatistics->uiAverageFrameQP,             pStatistics->uiInputFrameCount, pStatistics->uiSkippedFrameCount,             pStatistics->uiResolutionChangeTimes, pStatistics->uiIDRReqNum, pStatistics->uiIDRSentNum,             pStatistics->iTotalEncodedBytes, kiCurrentFrameTs);  }} void CWelsH264SVCEncoder::UpdateStatistics (SFrameBSInfo* pBsInfo,    const int64_t kiCurrentFrameMs) {   const int64_t kiCurrentFrameTs = m_pEncContext->uiLastTimestamp = pBsInfo->uiTimeStamp;  const int64_t kiTimeDiff = kiCurrentFrameTs - m_pEncContext->iLastStatisticsLogTs;   int32_t iMaxDid = m_pEncContext->pSvcParam->iSpatialLayerNum - 1;  SLayerBSInfo*  pLayerInfo = &pBsInfo->sLayerInfo[0];  uint32_t iMaxInputFrame = 0;  float iMaxFrameRate = 0;  for (int32_t iDid = 0; iDid <= iMaxDid; iDid++) {    EVideoFrameType eFrameType = videoFrameTypeSkip;    int32_t kiCurrentFrameSize = 0;    for (int32_t iLayerNum = 0; iLayerNum < pBsInfo->iLayerNum; iLayerNum++) {      pLayerInfo = &pBsInfo->sLayerInfo[iLayerNum];      if ((pLayerInfo->uiLayerType == VIDEO_CODING_LAYER) && (pLayerInfo->uiSpatialId == iDid)) {        eFrameType = pLayerInfo->eFrameType;        for (int32_t iNalIdx = 0; iNalIdx < pLayerInfo->iNalCount; iNalIdx++) {          kiCurrentFrameSize += pLayerInfo->pNalLengthInByte[iNalIdx];        }      }    }    SEncoderStatistics* pStatistics = & (m_pEncContext->sEncoderStatistics[iDid]);    SSpatialLayerInternal* pSpatialLayerInternalParam = & (m_pEncContext->pSvcParam->sDependencyLayers[iDid]);     if ((0 != pStatistics->uiWidth && 0 != pStatistics->uiHeight)        && (pStatistics->uiWidth != (unsigned int) pSpatialLayerInternalParam->iActualWidth            || pStatistics->uiHeight != (unsigned int) pSpatialLayerInternalParam->iActualHeight)) {      pStatistics->uiResolutionChangeTimes ++;    }    pStatistics->uiWidth = pSpatialLayerInternalParam->iActualWidth;    pStatistics->uiHeight = pSpatialLayerInternalParam->iActualHeight;     const bool kbCurrentFrameSkipped = (videoFrameTypeSkip == eFrameType);    pStatistics->uiInputFrameCount ++;    pStatistics->uiSkippedFrameCount += (kbCurrentFrameSkipped ? 1 : 0);    iMaxInputFrame = WELS_MAX (pStatistics->uiInputFrameCount, iMaxInputFrame);    int32_t iProcessedFrameCount = pStatistics->uiInputFrameCount - pStatistics->uiSkippedFrameCount;    if (!kbCurrentFrameSkipped && iProcessedFrameCount != 0) {      pStatistics->fAverageFrameSpeedInMs += (kiCurrentFrameMs - pStatistics->fAverageFrameSpeedInMs) / iProcessedFrameCount;    }    // rate control related    if (0 != m_pEncContext->uiStartTimestamp) {      if (kiCurrentFrameTs > m_pEncContext->uiStartTimestamp + 800) {        pStatistics->fAverageFrameRate = (static_cast<float> (pStatistics->uiInputFrameCount) * 1000 /                                          (kiCurrentFrameTs - m_pEncContext->uiStartTimestamp));      }    } else {      m_pEncContext->uiStartTimestamp = kiCurrentFrameTs;    }    iMaxFrameRate = WELS_MAX (iMaxFrameRate, pStatistics->fAverageFrameRate);    //pStatistics->fLatestFrameRate = m_pEncContext->pWelsSvcRc->fLatestFrameRate; //TODO: finish the calculation in RC    //pStatistics->uiBitRate = m_pEncContext->pWelsSvcRc->iActualBitRate; //TODO: finish the calculation in RC    pStatistics->uiAverageFrameQP = m_pEncContext->pWelsSvcRc[iDid].iAverageFrameQp;     if (videoFrameTypeIDR == eFrameType || videoFrameTypeI == eFrameType) {      pStatistics->uiIDRSentNum ++;    }    if (m_pEncContext->pLtr->bLTRMarkingFlag) {      pStatistics->uiLTRSentNum ++;    }     pStatistics->iTotalEncodedBytes += kiCurrentFrameSize;     const int32_t kiDeltaFrames = static_cast<int32_t> (pStatistics->uiInputFrameCount -                                  pStatistics->iLastStatisticsFrameCount);    if (kiDeltaFrames > (m_pEncContext->pSvcParam->fMaxFrameRate * 2)) {      if (kiTimeDiff >= m_pEncContext->iStatisticsLogInterval) {        pStatistics->fLatestFrameRate = static_cast<float> ((pStatistics->uiInputFrameCount -                                        pStatistics->iLastStatisticsFrameCount) * 1000 /                                        kiTimeDiff);        pStatistics->uiBitRate = static_cast<unsigned int> ((pStatistics->iTotalEncodedBytes -                                 pStatistics->iLastStatisticsBytes) * 8 * 1000 / kiTimeDiff);         if (WELS_ABS (pStatistics->fLatestFrameRate - m_pEncContext->pSvcParam->fMaxFrameRate) > 30) {          WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_WARNING,                   "Actual input fLatestFrameRate = %f is quite different from framerate in setting %f, please check setting or timestamp unit (ms), cur_Ts = %"                   PRId64 " start_Ts = %" PRId64,                   pStatistics->fLatestFrameRate, m_pEncContext->pSvcParam->fMaxFrameRate, kiCurrentFrameTs,                   static_cast<int64_t> (m_pEncContext->iLastStatisticsLogTs));        }         if (m_pEncContext->pSvcParam->iRCMode == RC_QUALITY_MODE || m_pEncContext->pSvcParam->iRCMode == RC_BITRATE_MODE) {          if ((pStatistics->fLatestFrameRate > 0)              && WELS_ABS (m_pEncContext->pSvcParam->fMaxFrameRate - pStatistics->fLatestFrameRate) > 5) {            WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_WARNING,                     "Actual input framerate %f is different from framerate in setting %f, suggest to use other rate control modes",                     pStatistics->fLatestFrameRate, m_pEncContext->pSvcParam->fMaxFrameRate);          }        }        // update variables        pStatistics->iLastStatisticsBytes = pStatistics->iTotalEncodedBytes;        pStatistics->iLastStatisticsFrameCount = pStatistics->uiInputFrameCount;         //TODO: the following statistics will be calculated and added later        //pStatistics->uiLTRSentNum       }    }  }  if (((m_pEncContext->iStatisticsLogInterval > 0) && (kiTimeDiff >= m_pEncContext->iStatisticsLogInterval))      || (0 == iMaxInputFrame % 300)) {     if ((iMaxFrameRate > 0) && WELS_ABS (iMaxFrameRate - m_pEncContext->pSvcParam->fMaxFrameRate) > 30) {      WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_WARNING,               "Actual input framerate fAverageFrameRate = %f is quite different from framerate in setting %f, please check setting or timestamp unit (ms), start_Ts = %"               PRId64,               iMaxFrameRate, m_pEncContext->pSvcParam->fMaxFrameRate, m_pEncContext->uiStartTimestamp);    }     LogStatistics (kiCurrentFrameTs, iMaxDid);    m_pEncContext->iLastStatisticsLogTs = kiCurrentFrameTs;  } } /************************************************************************* InDataFormat, IDRInterval, SVC Encode Param, Frame Rate, Bitrate,..************************************************************************/int CWelsH264SVCEncoder::SetOption (ENCODER_OPTION eOptionId, void* pOption) {  if (NULL == pOption) {    return cmInitParaError;  }   if ((NULL == m_pEncContext || false == m_bInitialFlag) && eOptionId != ENCODER_OPTION_TRACE_LEVEL      && eOptionId != ENCODER_OPTION_TRACE_CALLBACK && eOptionId != ENCODER_OPTION_TRACE_CALLBACK_CONTEXT) {    return cmInitExpected;  }   switch (eOptionId) {  case ENCODER_OPTION_INTER_SPATIAL_PRED: { // Inter spatial layer prediction flag    WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,             "ENCODER_OPTION_INTER_SPATIAL_PRED, this feature not supported at present.");  }  break;  case ENCODER_OPTION_DATAFORMAT: { // Input color space    int32_t iValue = * ((int32_t*)pOption);    int32_t iColorspace = iValue;    if (iColorspace == 0) {      return cmInitParaError;    }     m_iCspInternal = iColorspace;    WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,             "CWelsH264SVCEncoder::SetOption():ENCODER_OPTION_DATAFORMAT, m_iCspInternal = 0x%x", m_iCspInternal);  }  break;  case ENCODER_OPTION_IDR_INTERVAL: { // IDR Interval    int32_t iValue = * ((int32_t*)pOption);    WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,             "CWelsH264SVCEncoder::SetOption():ENCODER_OPTION_IDR_INTERVAL iValue = %d", iValue);    if (iValue <= -1 || iValue == 0) {      iValue = 0;    }    if (iValue == (int32_t)m_pEncContext->pSvcParam->uiIntraPeriod) {      return cmResultSuccess;    }    m_pEncContext->pSvcParam->uiIntraPeriod = (uint32_t)iValue;    WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,             "CWelsH264SVCEncoder::SetOption():ENCODER_OPTION_IDR_INTERVAL uiIntraPeriod updated to %d", m_pEncContext->pSvcParam->uiIntraPeriod);  }  break;  case ENCODER_OPTION_SVC_ENCODE_PARAM_BASE: { // SVC Encoding Parameter    SEncParamBase sEncodingParam;    SWelsSvcCodingParam sConfig;    int32_t iTargetWidth = 0;    int32_t iTargetHeight = 0;     memcpy (&sEncodingParam, pOption, sizeof (SEncParamBase)); // confirmed_safe_unsafe_usage#ifdef OUTPUT_BIT_STREAM    if ((sEncodingParam.iPicWidth  != m_pEncContext->pSvcParam->sDependencyLayers[m_pEncContext->pSvcParam->iSpatialLayerNum         - 1].iActualWidth) ||        (sEncodingParam.iPicHeight != m_pEncContext->pSvcParam->sDependencyLayers[m_pEncContext->pSvcParam->iSpatialLayerNum -                                                       1].iActualHeight)) {      ++m_iSwitchTimes;      m_bSwitch = true;    }#endif//OUTPUT_BIT_STREAM    if (sConfig.ParamBaseTranscode (sEncodingParam)) {      WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_ERROR,               "CWelsH264SVCEncoder::SetOption():ENCODER_OPTION_SVC_ENCODE_PARAM_BASE, ParamTranscode failed!");      return cmInitParaError;    }    /* New configuration available here */    iTargetWidth        = sConfig.iPicWidth;    iTargetHeight       = sConfig.iPicHeight;    if (m_iMaxPicWidth != iTargetWidth        || m_iMaxPicHeight != iTargetHeight) {      m_iMaxPicWidth    = iTargetWidth;      m_iMaxPicHeight   = iTargetHeight;    }    if (sConfig.DetermineTemporalSettings()) {      WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_ERROR,               "CWelsH264SVCEncoder::SetOption():ENCODER_OPTION_SVC_ENCODE_PARAM_BASE, DetermineTemporalSettings failed!");      return cmInitParaError;    }    WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,             "CWelsH264SVCEncoder::SetOption():ENCODER_OPTION_SVC_ENCODE_PARAM_BASE iUsageType = %d,iPicWidth= %d;iPicHeight= %d;iTargetBitrate= %d;fMaxFrameRate=  %.6ff;iRCMode= %d",             sEncodingParam.iUsageType,             sEncodingParam.iPicWidth,             sEncodingParam.iPicHeight,             sEncodingParam.iTargetBitrate,             sEncodingParam.fMaxFrameRate,             sEncodingParam.iRCMode);    if (WelsEncoderParamAdjust (&m_pEncContext, &sConfig)) {      return cmInitParaError;    }     //LogStatistics    WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,             "CWelsH264SVCEncoder::SetOption():ENCODER_OPTION_SVC_ENCODE_PARAM_BASE, LogStatisticsBeforeNewEncoding");    LogStatistics (m_pEncContext->iLastStatisticsLogTs, 0);  }  break;   case ENCODER_OPTION_SVC_ENCODE_PARAM_EXT: { // SVC Encoding Parameter    SEncParamExt sEncodingParam;    SWelsSvcCodingParam sConfig;    int32_t iTargetWidth = 0;    int32_t iTargetHeight = 0;     memcpy (&sEncodingParam, pOption, sizeof (SEncParamExt)); // confirmed_safe_unsafe_usage    TraceParamInfo (&sEncodingParam);#ifdef OUTPUT_BIT_STREAM    if ((sEncodingParam.sSpatialLayers[sEncodingParam.iSpatialLayerNum - 1].iVideoWidth !=         m_pEncContext->pSvcParam->sDependencyLayers[m_pEncContext->pSvcParam->iSpatialLayerNum - 1].iActualWidth) ||        (sEncodingParam.sSpatialLayers[sEncodingParam.iSpatialLayerNum - 1].iVideoHeight !=         m_pEncContext->pSvcParam->sDependencyLayers[m_pEncContext->pSvcParam->iSpatialLayerNum - 1].iActualHeight)) {      ++ m_iSwitchTimes;      m_bSwitch = true;    }#endif//OUTPUT_BIT_STREAM    if (sEncodingParam.iSpatialLayerNum < 1        || sEncodingParam.iSpatialLayerNum > MAX_SPATIAL_LAYER_NUM) { // verify number of spatial layer      WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_ERROR,               "CWelsH264SVCEncoder::SetOption():ENCODER_OPTION_SVC_ENCODE_PARAM_EXT, iSpatialLayerNum(%d) failed!",               sEncodingParam.iSpatialLayerNum);      return cmInitParaError;    }     if (sConfig.ParamTranscode (sEncodingParam)) {      WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_ERROR,               "CWelsH264SVCEncoder::SetOption():ENCODER_OPTION_SVC_ENCODE_PARAM_EXT, ParamTranscode failed!");      return cmInitParaError;    }    if (sConfig.iSpatialLayerNum < 1) {      WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_ERROR,               "CWelsH264SVCEncoder::SetOption():ENCODER_OPTION_SVC_ENCODE_PARAM_EXT, iSpatialLayerNum(%d) failed!",               sConfig.iSpatialLayerNum);      return cmInitParaError;    }    if (sConfig.DetermineTemporalSettings()) {      WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_ERROR,               "CWelsH264SVCEncoder::SetOption():ENCODER_OPTION_SVC_ENCODE_PARAM_EXT, DetermineTemporalSettings failed!");      return cmInitParaError;    }     /* New configuration available here */    iTargetWidth        = sConfig.iPicWidth;    iTargetHeight       = sConfig.iPicHeight;    if (m_iMaxPicWidth != iTargetWidth        || m_iMaxPicHeight != iTargetHeight) {      m_iMaxPicWidth    = iTargetWidth;      m_iMaxPicHeight   = iTargetHeight;    }    /* Check every field whether there is new request for memory block changed or else, Oct. 24, 2008 */    if (WelsEncoderParamAdjust (&m_pEncContext, &sConfig)) {      return cmInitParaError;    }     //LogStatistics    WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,             "CWelsH264SVCEncoder::SetOption():ENCODER_OPTION_SVC_ENCODE_PARAM_EXT, LogStatisticsBeforeNewEncoding");    LogStatistics (m_pEncContext->iLastStatisticsLogTs, sEncodingParam.iSpatialLayerNum - 1);  }  break;  case ENCODER_OPTION_FRAME_RATE: { // Maximal input frame rate    float iValue = * ((float*)pOption);    if (iValue <= 0) {      return cmInitParaError;    }    //adjust to valid range    m_pEncContext->pSvcParam->fMaxFrameRate = WELS_CLIP3 (iValue, MIN_FRAME_RATE, MAX_FRAME_RATE);    WelsEncoderApplyFrameRate (m_pEncContext->pSvcParam);    WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,             "CWelsH264SVCEncoder::SetOption():ENCODER_OPTION_FRAME_RATE,m_pEncContext->pSvcParam->fMaxFrameRate= %f",             m_pEncContext->pSvcParam->fMaxFrameRate);  }  break;  case ENCODER_OPTION_BITRATE: { // Target bit-rate    SBitrateInfo* pInfo = (static_cast<SBitrateInfo*> (pOption));    int32_t iBitrate = pInfo->iBitrate;    if (iBitrate <= 0) {      WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_ERROR,               "CWelsH264SVCEncoder::SetOption():ENCODER_OPTION_BITRATE,iBitrate = %d",               iBitrate);      return cmInitParaError;    }    iBitrate = WELS_CLIP3 (iBitrate, MIN_BIT_RATE, MAX_BIT_RATE);    switch (pInfo->iLayer) {    case SPATIAL_LAYER_ALL:      m_pEncContext->pSvcParam->iTargetBitrate = iBitrate;      break;    case SPATIAL_LAYER_0:      m_pEncContext->pSvcParam->sSpatialLayers[0].iSpatialBitrate = iBitrate;      break;    case SPATIAL_LAYER_1:      m_pEncContext->pSvcParam->sSpatialLayers[1].iSpatialBitrate = iBitrate;      break;    case SPATIAL_LAYER_2:      m_pEncContext->pSvcParam->sSpatialLayers[2].iSpatialBitrate = iBitrate;      break;    case SPATIAL_LAYER_3:      m_pEncContext->pSvcParam->sSpatialLayers[3].iSpatialBitrate = iBitrate;      break;    default:      WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_ERROR,               "CWelsH264SVCEncoder::SetOption():ENCODER_OPTION_BITRATE,iLayer = %d",               pInfo->iLayer);      return cmInitParaError;      break;    }    //adjust to valid range    if (WelsEncoderApplyBitRate (&m_pWelsTrace->m_sLogCtx, m_pEncContext->pSvcParam, pInfo->iLayer)) {      WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_ERROR,               "CWelsH264SVCEncoder::SetOption():ENCODER_OPTION_BITRATE layerId= %d,iSpatialBitrate = %d", pInfo->iLayer, iBitrate);      return cmInitParaError;    } else {      WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,               "CWelsH264SVCEncoder::SetOption():ENCODER_OPTION_BITRATE layerId= %d,iSpatialBitrate = %d", pInfo->iLayer, iBitrate);     }   }  break;  case ENCODER_OPTION_MAX_BITRATE: { // Target bit-rate    SBitrateInfo* pInfo = (static_cast<SBitrateInfo*> (pOption));    int32_t iBitrate = pInfo->iBitrate;    if (iBitrate <= 0) {      WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_ERROR,               "CWelsH264SVCEncoder::SetOption():ENCODER_OPTION_MAX_BITRATE,iBitrate = %d",               iBitrate);      return cmInitParaError;    }    iBitrate = WELS_CLIP3 (iBitrate, MIN_BIT_RATE, MAX_BIT_RATE);    switch (pInfo->iLayer) {    case SPATIAL_LAYER_ALL:      m_pEncContext->pSvcParam->iMaxBitrate = iBitrate;      break;    case SPATIAL_LAYER_0:      m_pEncContext->pSvcParam->sSpatialLayers[0].iMaxSpatialBitrate = iBitrate;      break;    case SPATIAL_LAYER_1:      m_pEncContext->pSvcParam->sSpatialLayers[1].iMaxSpatialBitrate = iBitrate;      break;    case SPATIAL_LAYER_2:      m_pEncContext->pSvcParam->sSpatialLayers[2].iMaxSpatialBitrate = iBitrate;      break;    case SPATIAL_LAYER_3:      m_pEncContext->pSvcParam->sSpatialLayers[3].iMaxSpatialBitrate = iBitrate;      break;    default:      WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_ERROR,               "CWelsH264SVCEncoder::SetOption():ENCODER_OPTION_MAX_BITRATE,iLayer = %d",               pInfo->iLayer);      return cmInitParaError;      break;    }    //adjust to valid range    if (WelsEncoderApplyBitRate (&m_pWelsTrace->m_sLogCtx, m_pEncContext->pSvcParam, pInfo->iLayer)) {      WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_ERROR,               "CWelsH264SVCEncoder::SetOption():ENCODER_OPTION_BITRATE layerId= %d,iMaxSpatialBitrate = %d", pInfo->iLayer, iBitrate);      return cmInitParaError;    } else {      WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,               "CWelsH264SVCEncoder::SetOption():ENCODER_OPTION_BITRATE layerId= %d,iMaxSpatialBitrate = %d", pInfo->iLayer, iBitrate);     }  }  break;  case ENCODER_OPTION_RC_MODE: { // 0:quality mode;1:bit-rate mode;2:bitrate limited mode    int32_t iValue = * ((int32_t*)pOption);    m_pEncContext->pSvcParam->iRCMode = (RC_MODES) iValue;    WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,             "CWelsH264SVCEncoder::SetOption():ENCODER_OPTION_RC_MODE iRCMode= %d (Note: not suggest changing RC-mode in middle of encoding)",             iValue);    WelsRcInitFuncPointers (m_pEncContext, m_pEncContext->pSvcParam->iRCMode);  }  break;  case ENCODER_OPTION_RC_FRAME_SKIP: { // 0:FRAME-SKIP disabled;1:FRAME-SKIP enabled    bool bValue = * ((bool*)pOption);    if (m_pEncContext->pSvcParam->iRCMode != RC_OFF_MODE) {      m_pEncContext->pSvcParam->bEnableFrameSkip = bValue;      WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,               "CWelsH264SVCEncoder::SetOption():ENCODER_OPTION_RC_FRAME_SKIP, frame-skip setting(%d)",               bValue);    } else {      WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,               "CWelsH264SVCEncoder::SetOption():ENCODER_OPTION_RC_FRAME_SKIP, rc off, frame-skip setting(%d) un-useful",               bValue);    }  }  break;  case ENCODER_PADDING_PADDING: { // 0:disable padding;1:padding    int32_t iValue = * ((int32_t*)pOption);    m_pEncContext->pSvcParam->iPaddingFlag = iValue;    WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,             "CWelsH264SVCEncoder::SetOption():ENCODER_PADDING_PADDING iPaddingFlag= %d ",             iValue);  }  break;  case ENCODER_LTR_RECOVERY_REQUEST: {    SLTRRecoverRequest* pLTR_Recover_Request = (SLTRRecoverRequest*) (pOption);    FilterLTRRecoveryRequest (m_pEncContext, pLTR_Recover_Request);  }  break;  case ENCODER_LTR_MARKING_FEEDBACK: {    SLTRMarkingFeedback* fb = (SLTRMarkingFeedback*) (pOption);    FilterLTRMarkingFeedback (m_pEncContext, fb);  }  break;  case ENCODER_LTR_MARKING_PERIOD: {    uint32_t iValue = * ((uint32_t*) (pOption));    m_pEncContext->pSvcParam->iLtrMarkPeriod = iValue;    WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,             "CWelsH264SVCEncoder::SetOption():ENCODER_LTR_MARKING_PERIOD iLtrMarkPeriod= %d ",             iValue);

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