/*! * \copy *     Copyright (c)  2009-2013, Cisco Systems *     All rights reserved. * *     Redistribution and use in source and binary forms, with or without *     modification, are permitted provided that the following conditions *     are met: * *        * Redistributions of source code must retain the above copyright *          notice, this list of conditions and the following disclaimer. * *        * Redistributions in binary form must reproduce the above copyright *          notice, this list of conditions and the following disclaimer in *          the documentation and/or other materials provided with the *          distribution. * *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *     "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT *     LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS *     FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE *     COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, *     BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER *     CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT *     LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN *     ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE *     POSSIBILITY OF SUCH DAMAGE. * * * \file    encoder_ext.c * * \brief   core encoder for SVC * * \date    7/24/2009 Created * ************************************************************************************* */ #include "encoder.h"#include "cpu.h"#include "utils.h"#include "svc_enc_golomb.h"#include "au_set.h"#include "picture_handle.h"#include "svc_base_layer_md.h"#include "svc_encode_slice.h"#include "svc_mode_decision.h"#include "decode_mb_aux.h"#include "deblocking.h"#include "ref_list_mgr_svc.h"#include "ls_defines.h"#include "crt_util_safe_x.h" // Safe CRT routines like utils for cross platforms#include "slice_multi_threading.h"#include "measure_time.h"#include "svc_set_mb_syn.h" namespace WelsEnc {  int32_t WelsCodeOnePicPartition (sWelsEncCtx* pCtx,                                 SFrameBSInfo* pFrameBsInfo,                                 SLayerBSInfo* pLayerBsInfo,                                 int32_t* pNalIdxInLayer,                                 int32_t* pLayerSize,                                 int32_t iFirstMbIdxInPartition,                                 int32_t iEndMbIdxInPartition,                                 int32_t iStartSliceIdx                                );  int32_t WelsBitRateVerification (SLogContext* pLogCtx, SSpatialLayerConfig* pLayerParam, int32_t iLayerId) {  if ((pLayerParam->iSpatialBitrate <= 0)      || (static_cast<float> (pLayerParam->iSpatialBitrate) < pLayerParam->fFrameRate)) {    WelsLog (pLogCtx, WELS_LOG_ERROR, "Invalid bitrate settings in layer %d, bitrate= %d at FrameRate(%f)", iLayerId,             pLayerParam->iSpatialBitrate, pLayerParam->fFrameRate);    return ENC_RETURN_UNSUPPORTED_PARA;  }   // deal with LEVEL_MAX_BR and MAX_BR setting  const SLevelLimits* pCurLevelLimit = g_ksLevelLimits;  while ((pCurLevelLimit->uiLevelIdc != LEVEL_5_2) && (pCurLevelLimit->uiLevelIdc != pLayerParam->uiLevelIdc))    pCurLevelLimit++;  const int32_t iLevelMaxBitrate = pCurLevelLimit->uiMaxBR * CpbBrNalFactor;  const int32_t iLevel52MaxBitrate = g_ksLevelLimits[LEVEL_NUMBER - 1].uiMaxBR * CpbBrNalFactor;  if (UNSPECIFIED_BIT_RATE != iLevelMaxBitrate) {    if ((pLayerParam->iMaxSpatialBitrate == UNSPECIFIED_BIT_RATE)        || (pLayerParam->iMaxSpatialBitrate > iLevel52MaxBitrate)) {      pLayerParam->iMaxSpatialBitrate = iLevelMaxBitrate;      WelsLog (pLogCtx, WELS_LOG_INFO,               "Current MaxSpatialBitrate is invalid (UNSPECIFIED_BIT_RATE or larger than LEVEL5_2) but level setting is valid, set iMaxSpatialBitrate to %d from level (%d)",               pLayerParam->iMaxSpatialBitrate, pLayerParam->uiLevelIdc);    } else if (pLayerParam->iMaxSpatialBitrate > iLevelMaxBitrate) {      ELevelIdc iCurLevel = pLayerParam->uiLevelIdc;      WelsAdjustLevel (pLayerParam, pCurLevelLimit);      WelsLog (pLogCtx, WELS_LOG_INFO,               "LevelIdc is changed from (%d) to (%d) according to the iMaxSpatialBitrate(%d)",               iCurLevel, pLayerParam->uiLevelIdc, pLayerParam->iMaxSpatialBitrate);    }  } else if ((pLayerParam->iMaxSpatialBitrate != UNSPECIFIED_BIT_RATE)             && (pLayerParam->iMaxSpatialBitrate > iLevel52MaxBitrate)) {    // no level limitation, just need to check if iMaxSpatialBitrate is too big from reasonable    WelsLog (pLogCtx, WELS_LOG_WARNING,             "No LevelIdc setting and iMaxSpatialBitrate (%d) is considered too big to be valid, changed to UNSPECIFIED_BIT_RATE",             pLayerParam->iMaxSpatialBitrate);    pLayerParam->iMaxSpatialBitrate = UNSPECIFIED_BIT_RATE;  }   // deal with iSpatialBitrate and iMaxSpatialBitrate setting  if (pLayerParam->iMaxSpatialBitrate != UNSPECIFIED_BIT_RATE) {    if (pLayerParam->iMaxSpatialBitrate == pLayerParam->iSpatialBitrate) {      WelsLog (pLogCtx, WELS_LOG_INFO,               "Setting MaxSpatialBitrate (%d) the same at SpatialBitrate (%d) will make the actual bit rate lower than SpatialBitrate",               pLayerParam->iMaxSpatialBitrate, pLayerParam->iSpatialBitrate);    } else if (pLayerParam->iMaxSpatialBitrate < pLayerParam->iSpatialBitrate) {      WelsLog (pLogCtx, WELS_LOG_ERROR,               "MaxSpatialBitrate (%d) should be larger than SpatialBitrate (%d), considering it as error setting",               pLayerParam->iMaxSpatialBitrate, pLayerParam->iSpatialBitrate);      return ENC_RETURN_UNSUPPORTED_PARA;    }  }  return ENC_RETURN_SUCCESS;} void CheckProfileSetting (SLogContext* pLogCtx, SWelsSvcCodingParam* pParam, int32_t iLayer, EProfileIdc uiProfileIdc) {  SSpatialLayerConfig* pLayerInfo = &pParam->sSpatialLayers[iLayer];  pLayerInfo->uiProfileIdc = uiProfileIdc;  if (pParam->bSimulcastAVC) {    if ((uiProfileIdc != PRO_BASELINE) && (uiProfileIdc != PRO_MAIN) && (uiProfileIdc != PRO_HIGH)) {      WelsLog (pLogCtx, WELS_LOG_WARNING, "layerId(%d) doesn't support profile(%d), change to baseline profile", iLayer,               uiProfileIdc);      pLayerInfo->uiProfileIdc = PRO_BASELINE;    }  } else {    if (iLayer == SPATIAL_LAYER_0) {      if ((uiProfileIdc != PRO_BASELINE) && (uiProfileIdc != PRO_MAIN) && (uiProfileIdc != PRO_HIGH)) {        WelsLog (pLogCtx, WELS_LOG_WARNING, "layerId(%d) doesn't support profile(%d), change to baseline profile", iLayer,                 uiProfileIdc);        pLayerInfo->uiProfileIdc = PRO_BASELINE;      }    } else {      if ((uiProfileIdc != PRO_SCALABLE_BASELINE) && (uiProfileIdc != PRO_SCALABLE_HIGH)) {        pLayerInfo->uiProfileIdc = PRO_SCALABLE_BASELINE;        WelsLog (pLogCtx, WELS_LOG_WARNING, "layerId(%d) doesn't support profile(%d), change to scalable baseline profile",                 iLayer, uiProfileIdc);      }    }  }}void CheckLevelSetting (SLogContext* pLogCtx, SWelsSvcCodingParam* pParam, int32_t iLayer, ELevelIdc uiLevelIdc) {  SSpatialLayerConfig* pLayerInfo = &pParam->sSpatialLayers[iLayer];  pLayerInfo->uiLevelIdc = LEVEL_UNKNOWN;  int32_t iLevelIdx = LEVEL_NUMBER - 1;  do {    if (g_ksLevelLimits[iLevelIdx].uiLevelIdc == uiLevelIdc) {      pLayerInfo->uiLevelIdc = uiLevelIdc;      break;    }    iLevelIdx--;  } while (iLevelIdx >= 0);  if (pLayerInfo->uiLevelIdc == LEVEL_UNKNOWN) {    WelsLog (pLogCtx, WELS_LOG_INFO, "change unexpected levelidc(%d) setting to LEVEL_5_2", pLayerInfo->uiLevelIdc);    pLayerInfo->uiLevelIdc = LEVEL_5_2;  }}void CheckReferenceNumSetting (SLogContext* pLogCtx, SWelsSvcCodingParam* pParam, int32_t iNumRef) {  int32_t iRefUpperBound = (pParam->iUsageType == CAMERA_VIDEO_REAL_TIME) ?                           MAX_REFERENCE_PICTURE_COUNT_NUM_CAMERA : MAX_REFERENCE_PICTURE_COUNT_NUM_SCREEN;  pParam->iNumRefFrame = iNumRef;  if ((iNumRef < MIN_REF_PIC_COUNT) || (iNumRef > iRefUpperBound)) {    pParam->iNumRefFrame = AUTO_REF_PIC_COUNT;    WelsLog (pLogCtx, WELS_LOG_WARNING,             "doesn't support the number of reference frame(%d) change to auto select mode", iNumRef);  }} int32_t SliceArgumentValidationFixedSliceMode (SLogContext* pLogCtx,    SSliceArgument* pSliceArgument, const RC_MODES  kiRCMode,    const int32_t kiPicWidth,       const int32_t kiPicHeight) {  int32_t iCpuCores            = 0;  int32_t iIdx                 = 0;  const int32_t iMbWidth       = (kiPicWidth + 15) >> 4;  const int32_t iMbHeight      = (kiPicHeight + 15) >> 4;  const int32_t iMbNumInFrame  = iMbWidth * iMbHeight;  bool  bSingleMode            = false;   pSliceArgument->uiSliceSizeConstraint = 0;   if (pSliceArgument->uiSliceNum == 0) {    WelsCPUFeatureDetect (&iCpuCores);    if (0 == iCpuCores) {      // cpuid not supported or doesn't expose the number of cores,      // use high level system API as followed to detect number of pysical/logic processor      iCpuCores = DynamicDetectCpuCores();    }    pSliceArgument->uiSliceNum = iCpuCores;  }   if (pSliceArgument->uiSliceNum <= 1) {    WelsLog (pLogCtx, WELS_LOG_INFO,             "SliceArgumentValidationFixedSliceMode(), uiSliceNum(%d) you set for SM_FIXEDSLCNUM_SLICE, now turn to SM_SINGLE_SLICE type!",             pSliceArgument->uiSliceNum);    bSingleMode = true;  }   // considering the coding efficient and performance,  // iCountMbNum constraint by MIN_NUM_MB_PER_SLICE condition of multi-pSlice mode settting  if (iMbNumInFrame <= MIN_NUM_MB_PER_SLICE) {    WelsLog (pLogCtx, WELS_LOG_INFO,             "SliceArgumentValidationFixedSliceMode(), uiSliceNum(%d) you set for SM_FIXEDSLCNUM_SLICE, now turn to SM_SINGLE_SLICE type as CountMbNum less than MIN_NUM_MB_PER_SLICE!",             pSliceArgument->uiSliceNum);    bSingleMode = true;  }   if (bSingleMode) {    pSliceArgument->uiSliceMode = SM_SINGLE_SLICE;    pSliceArgument->uiSliceNum = 1;    for (iIdx = 0; iIdx < MAX_SLICES_NUM; iIdx++) {      pSliceArgument->uiSliceMbNum[iIdx] = 0;    }    return ENC_RETURN_SUCCESS;  }   if (pSliceArgument->uiSliceNum > MAX_SLICES_NUM) {    pSliceArgument->uiSliceNum = MAX_SLICES_NUM;    WelsLog (pLogCtx, WELS_LOG_WARNING,             "SliceArgumentValidationFixedSliceMode(), uiSliceNum exceed MAX_SLICES_NUM! So setting slice num eqaul to MAX_SLICES_NUM(%d)!",             pSliceArgument->uiSliceNum);  }   if (kiRCMode != RC_OFF_MODE) { // multiple slices verify with gom    //check uiSliceNum and set uiSliceMbNum with current uiSliceNum    if (!GomValidCheckSliceNum (iMbWidth, iMbHeight, &pSliceArgument->uiSliceNum)) {      WelsLog (pLogCtx, WELS_LOG_WARNING,               "SliceArgumentValidationFixedSliceMode(), unsupported setting with Resolution and uiSliceNum combination under RC on! So uiSliceNum is changed to %d!",               pSliceArgument->uiSliceNum);    }     if (pSliceArgument->uiSliceNum <= 1 ||        !GomValidCheckSliceMbNum (iMbWidth, iMbHeight, pSliceArgument)) {      WelsLog (pLogCtx, WELS_LOG_ERROR,               "SliceArgumentValidationFixedSliceMode(), unsupported setting with Resolution and uiSliceNum (%d) combination  under RC on! Consider setting single slice with this resolution!",               pSliceArgument->uiSliceNum);      return ENC_RETURN_UNSUPPORTED_PARA;    }  } else if (!CheckFixedSliceNumMultiSliceSetting (iMbNumInFrame, pSliceArgument)) {    //check uiSliceMbNum with current uiSliceNum    WelsLog (pLogCtx, WELS_LOG_ERROR,             "SliceArgumentValidationFixedSliceMode(), invalid uiSliceMbNum (%d) settings!,now turn to SM_SINGLE_SLICE type",             pSliceArgument->uiSliceMbNum[0]);    pSliceArgument->uiSliceMode = SM_SINGLE_SLICE;    pSliceArgument->uiSliceNum  = 1;    for (iIdx = 0; iIdx < MAX_SLICES_NUM; iIdx++) {      pSliceArgument->uiSliceMbNum[iIdx] = 0;    }  }   return ENC_RETURN_SUCCESS;}  /*! * \brief   validate checking in parameter configuration * \pParam  pParam      SWelsSvcCodingParam* * \return  successful - 0; otherwise none 0 for failed */int32_t ParamValidation (SLogContext* pLogCtx, SWelsSvcCodingParam* pCfg) {  const float fEpsn = 0.000001f;  int32_t i = 0;   assert (pCfg != NULL);   if ((pCfg->iUsageType != CAMERA_VIDEO_REAL_TIME) && (pCfg->iUsageType != SCREEN_CONTENT_REAL_TIME)) {    WelsLog (pLogCtx, WELS_LOG_ERROR, "ParamValidation(),Invalid usage type = %d", pCfg->iUsageType);    return ENC_RETURN_UNSUPPORTED_PARA;  }  if (pCfg->iUsageType == SCREEN_CONTENT_REAL_TIME) {    if (pCfg->iSpatialLayerNum > 1) {      WelsLog (pLogCtx, WELS_LOG_ERROR, "ParamValidation(),Invalid the number of Spatial layer(%d)for screen content",               pCfg->iSpatialLayerNum);      return ENC_RETURN_UNSUPPORTED_PARA;    }    if (pCfg->bEnableAdaptiveQuant) {      WelsLog (pLogCtx, WELS_LOG_WARNING,               "ParamValidation(), AdaptiveQuant(%d) is not supported yet for screen content, auto turned off",               pCfg->bEnableAdaptiveQuant);      pCfg->bEnableAdaptiveQuant = false;    }    if (pCfg->bEnableSceneChangeDetect == false) {      pCfg->bEnableSceneChangeDetect = true;      WelsLog (pLogCtx, WELS_LOG_WARNING,               "ParamValidation(), screen change detection should be turned on, change bEnableSceneChangeDetect as true");    }   }   //turn off adaptive quant now, algorithms needs to be refactored  pCfg->bEnableAdaptiveQuant = false;   if (pCfg->iSpatialLayerNum > 1) {    for (i = pCfg->iSpatialLayerNum - 1; i > 0; i--) {      SSpatialLayerConfig* fDlpUp = &pCfg->sSpatialLayers[i];      SSpatialLayerConfig* fDlp = &pCfg->sSpatialLayers[i - 1];      if ((fDlp->iVideoWidth > fDlpUp->iVideoWidth) || (fDlp->iVideoHeight > fDlpUp->iVideoHeight)) {        WelsLog (pLogCtx, WELS_LOG_ERROR,                 "ParamValidation,Invalid resolution layer(%d) resolution(%d x %d) should be less than the upper spatial layer resolution(%d x %d) ",                 i, fDlp->iVideoWidth, fDlp->iVideoHeight, fDlpUp->iVideoWidth, fDlpUp->iVideoHeight);        return ENC_RETURN_UNSUPPORTED_PARA;      }    }  }   if (!CheckInRangeCloseOpen (pCfg->iLoopFilterDisableIdc, DEBLOCKING_IDC_0, DEBLOCKING_IDC_2 + 1) ||      !CheckInRangeCloseOpen (pCfg->iLoopFilterAlphaC0Offset, DEBLOCKING_OFFSET_MINUS, DEBLOCKING_OFFSET + 1) ||      !CheckInRangeCloseOpen (pCfg->iLoopFilterBetaOffset, DEBLOCKING_OFFSET_MINUS, DEBLOCKING_OFFSET + 1)) {    WelsLog (pLogCtx, WELS_LOG_ERROR,             "ParamValidation, Invalid iLoopFilterDisableIdc(%d) or iLoopFilterAlphaC0Offset(%d) or iLoopFilterBetaOffset(%d)!",             pCfg->iLoopFilterDisableIdc, pCfg->iLoopFilterAlphaC0Offset, pCfg->iLoopFilterBetaOffset);    return ENC_RETURN_UNSUPPORTED_PARA;  }   for (i = 0; i < pCfg->iSpatialLayerNum; ++ i) {    SSpatialLayerInternal* fDlp = &pCfg->sDependencyLayers[i];    SSpatialLayerConfig* pConfig = &pCfg->sSpatialLayers[i];    if (fDlp->fOutputFrameRate > fDlp->fInputFrameRate || (fDlp->fInputFrameRate >= -fEpsn        && fDlp->fInputFrameRate <= fEpsn)        || (fDlp->fOutputFrameRate >= -fEpsn && fDlp->fOutputFrameRate <= fEpsn)) {      WelsLog (pLogCtx, WELS_LOG_ERROR,               "Invalid settings in input frame rate(%.6f) or output frame rate(%.6f) of layer #%d config file..",               fDlp->fInputFrameRate, fDlp->fOutputFrameRate, i);      return ENC_RETURN_INVALIDINPUT;    }    if (UINT_MAX == GetLogFactor (fDlp->fOutputFrameRate, fDlp->fInputFrameRate)) {      WelsLog (pLogCtx, WELS_LOG_WARNING,               "AUTO CORRECT: Invalid settings in input frame rate(%.6f) and output frame rate(%.6f) of layer #%d config file: iResult of output frame rate divided by input frame rate should be power of 2(i.e,in/pOut=2^n). \n Auto correcting Output Framerate to Input Framerate %f!\n",               fDlp->fInputFrameRate, fDlp->fOutputFrameRate, i, fDlp->fInputFrameRate);      fDlp->fOutputFrameRate = fDlp->fInputFrameRate;      pConfig->fFrameRate = fDlp->fOutputFrameRate;    }  }   if ((pCfg->iRCMode != RC_OFF_MODE) && (pCfg->iRCMode != RC_QUALITY_MODE) && (pCfg->iRCMode != RC_BUFFERBASED_MODE)      && (pCfg->iRCMode != RC_BITRATE_MODE) && (pCfg->iRCMode != RC_TIMESTAMP_MODE)) {    WelsLog (pLogCtx, WELS_LOG_ERROR, "ParamValidation(),Invalid iRCMode = %d", pCfg->iRCMode);    return ENC_RETURN_UNSUPPORTED_PARA;  }  //bitrate setting validation  if (pCfg->iRCMode != RC_OFF_MODE) {    int32_t  iTotalBitrate = 0;    if (pCfg->iTargetBitrate <= 0) {      WelsLog (pLogCtx, WELS_LOG_ERROR, "Invalid bitrate settings in total configure, bitrate= %d", pCfg->iTargetBitrate);      return ENC_RETURN_INVALIDINPUT;    }    for (i = 0; i < pCfg->iSpatialLayerNum; ++ i) {      SSpatialLayerConfig* pSpatialLayer = &pCfg->sSpatialLayers[i];      iTotalBitrate += pSpatialLayer->iSpatialBitrate;       if (WelsBitRateVerification (pLogCtx, pSpatialLayer, i) != ENC_RETURN_SUCCESS)        return ENC_RETURN_INVALIDINPUT;    }    if (iTotalBitrate > pCfg->iTargetBitrate) {      WelsLog (pLogCtx, WELS_LOG_ERROR,               "Invalid settings in bitrate. the sum of each layer bitrate(%d) is larger than total bitrate setting(%d)",               iTotalBitrate, pCfg->iTargetBitrate);      return ENC_RETURN_INVALIDINPUT;    }    if ((pCfg->iRCMode == RC_QUALITY_MODE) || (pCfg->iRCMode == RC_BITRATE_MODE) || (pCfg->iRCMode == RC_TIMESTAMP_MODE))      if (!pCfg->bEnableFrameSkip)        WelsLog (pLogCtx, WELS_LOG_WARNING,                 "bEnableFrameSkip = %d,bitrate can't be controlled for RC_QUALITY_MODE,RC_BITRATE_MODE and RC_TIMESTAMP_MODE without enabling skip frame.",                 pCfg->bEnableFrameSkip);    if ((pCfg->iMaxQp <= 0) || (pCfg->iMinQp <= 0)) {      if (pCfg->iUsageType == SCREEN_CONTENT_REAL_TIME) {        WelsLog (pLogCtx, WELS_LOG_WARNING, "Change QP Range from(%d,%d) to (%d,%d)", pCfg->iMinQp, pCfg->iMaxQp, MIN_SCREEN_QP,                 MAX_SCREEN_QP);        pCfg->iMinQp = MIN_SCREEN_QP;        pCfg->iMaxQp = MAX_SCREEN_QP;      } else {        WelsLog (pLogCtx, WELS_LOG_WARNING, "Change QP Range from(%d,%d) to (%d,%d)", pCfg->iMinQp, pCfg->iMaxQp,                 GOM_MIN_QP_MODE, MAX_LOW_BR_QP);        pCfg->iMinQp = GOM_MIN_QP_MODE;        pCfg->iMaxQp = MAX_LOW_BR_QP;      }     }    pCfg->iMinQp = WELS_CLIP3 (pCfg->iMinQp, GOM_MIN_QP_MODE, 51);    pCfg->iMaxQp = WELS_CLIP3 (pCfg->iMaxQp, pCfg->iMinQp, 51);  }  // ref-frames validation  if (((pCfg->iUsageType == CAMERA_VIDEO_REAL_TIME) || (pCfg->iUsageType == SCREEN_CONTENT_REAL_TIME))      ? WelsCheckRefFrameLimitationNumRefFirst (pLogCtx, pCfg)      : WelsCheckRefFrameLimitationLevelIdcFirst (pLogCtx, pCfg)) {    WelsLog (pLogCtx, WELS_LOG_ERROR, "WelsCheckRefFrameLimitation failed");    return ENC_RETURN_INVALIDINPUT;  }  return ENC_RETURN_SUCCESS;}  int32_t ParamValidationExt (SLogContext* pLogCtx, SWelsSvcCodingParam* pCodingParam) {  int8_t i = 0;  int32_t iIdx = 0;   assert (pCodingParam != NULL);  if (NULL == pCodingParam)    return ENC_RETURN_INVALIDINPUT;   if ((pCodingParam->iUsageType != CAMERA_VIDEO_REAL_TIME) && (pCodingParam->iUsageType != SCREEN_CONTENT_REAL_TIME)) {    WelsLog (pLogCtx, WELS_LOG_ERROR, "ParamValidationExt(),Invalid usage type = %d", pCodingParam->iUsageType);    return ENC_RETURN_UNSUPPORTED_PARA;  }  if ((pCodingParam->iUsageType == SCREEN_CONTENT_REAL_TIME) && (!pCodingParam->bIsLosslessLink      && pCodingParam->bEnableLongTermReference)) {    WelsLog (pLogCtx, WELS_LOG_WARNING,             "ParamValidationExt(), setting lossy link for LTR under screen, which is not supported yet! Auto disabled LTR!");    pCodingParam->bEnableLongTermReference = false;  }  if (pCodingParam->iSpatialLayerNum < 1 || pCodingParam->iSpatialLayerNum > MAX_DEPENDENCY_LAYER) {    WelsLog (pLogCtx, WELS_LOG_ERROR, "ParamValidationExt(), monitor invalid pCodingParam->iSpatialLayerNum: %d!",             pCodingParam->iSpatialLayerNum);    return ENC_RETURN_UNSUPPORTED_PARA;  }   if (pCodingParam->iTemporalLayerNum < 1 || pCodingParam->iTemporalLayerNum > MAX_TEMPORAL_LEVEL) {    WelsLog (pLogCtx, WELS_LOG_ERROR, "ParamValidationExt(), monitor invalid pCodingParam->iTemporalLayerNum: %d!",             pCodingParam->iTemporalLayerNum);    return ENC_RETURN_UNSUPPORTED_PARA;  }   if (pCodingParam->uiGopSize < 1 || pCodingParam->uiGopSize > MAX_GOP_SIZE) {    WelsLog (pLogCtx, WELS_LOG_ERROR, "ParamValidationExt(), monitor invalid pCodingParam->uiGopSize: %d!",             pCodingParam->uiGopSize);    return ENC_RETURN_UNSUPPORTED_PARA;  }    if (pCodingParam->uiIntraPeriod && pCodingParam->uiIntraPeriod < pCodingParam->uiGopSize) {    WelsLog (pLogCtx, WELS_LOG_ERROR,             "ParamValidationExt(), uiIntraPeriod(%d) should be not less than that of uiGopSize(%d) or -1 specified!",             pCodingParam->uiIntraPeriod, pCodingParam->uiGopSize);    return ENC_RETURN_UNSUPPORTED_PARA;  }   if (pCodingParam->uiIntraPeriod && (pCodingParam->uiIntraPeriod & (pCodingParam->uiGopSize - 1)) != 0) {    WelsLog (pLogCtx, WELS_LOG_ERROR,             "ParamValidationExt(), uiIntraPeriod(%d) should be multiple of uiGopSize(%d) or -1 specified!",             pCodingParam->uiIntraPeriod, pCodingParam->uiGopSize);    return ENC_RETURN_UNSUPPORTED_PARA;  }   //about iMultipleThreadIdc, bDeblockingParallelFlag, iLoopFilterDisableIdc, & uiSliceMode  // (1) Single Thread  //    if (THREAD==1)//single thread  //            no parallel_deblocking: bDeblockingParallelFlag = 0;  // (2) Multi Thread: see uiSliceMode decision  if (pCodingParam->iMultipleThreadIdc == 1) {    //now is single thread. no parallel deblocking, set flag=0    pCodingParam->bDeblockingParallelFlag = false;  } else {    pCodingParam->bDeblockingParallelFlag = true;  }   // eSpsPpsIdStrategy checkings  if (pCodingParam->iSpatialLayerNum > 1 && (!pCodingParam->bSimulcastAVC)      && (SPS_LISTING & pCodingParam->eSpsPpsIdStrategy)) {    WelsLog (pLogCtx, WELS_LOG_WARNING,             "ParamValidationExt(), eSpsPpsIdStrategy setting (%d) with multiple svc SpatialLayers (%d) not supported! eSpsPpsIdStrategy adjusted to CONSTANT_ID",             pCodingParam->eSpsPpsIdStrategy, pCodingParam->iSpatialLayerNum);    pCodingParam->eSpsPpsIdStrategy = CONSTANT_ID;  }  if (pCodingParam->iUsageType == SCREEN_CONTENT_REAL_TIME && (SPS_LISTING & pCodingParam->eSpsPpsIdStrategy)) {    WelsLog (pLogCtx, WELS_LOG_WARNING,             "ParamValidationExt(), eSpsPpsIdStrategy setting (%d) with iUsageType (%d) not supported! eSpsPpsIdStrategy adjusted to CONSTANT_ID",             pCodingParam->eSpsPpsIdStrategy, pCodingParam->iUsageType);    pCodingParam->eSpsPpsIdStrategy = CONSTANT_ID;  }   if (pCodingParam->bSimulcastAVC && (SPS_LISTING & pCodingParam->eSpsPpsIdStrategy)) {    WelsLog (pLogCtx, WELS_LOG_INFO,             "ParamValidationExt(), eSpsPpsIdStrategy(%d) under bSimulcastAVC(%d) not supported yet, adjusted to INCREASING_ID",             pCodingParam->eSpsPpsIdStrategy, pCodingParam->bSimulcastAVC);    pCodingParam->eSpsPpsIdStrategy = INCREASING_ID;  }   if (pCodingParam->bSimulcastAVC && pCodingParam->bPrefixNalAddingCtrl) {    WelsLog (pLogCtx, WELS_LOG_INFO,             "ParamValidationExt(), bSimulcastAVC(%d) is not compatible with bPrefixNalAddingCtrl(%d) true, adjusted bPrefixNalAddingCtrl to false",             pCodingParam->eSpsPpsIdStrategy, pCodingParam->bSimulcastAVC);    pCodingParam->bPrefixNalAddingCtrl = false;  }   for (i = 0; i < pCodingParam->iSpatialLayerNum; ++ i) {    SSpatialLayerConfig* pSpatialLayer = &pCodingParam->sSpatialLayers[i];    const int32_t kiPicWidth = pSpatialLayer->iVideoWidth;    const int32_t kiPicHeight = pSpatialLayer->iVideoHeight;    uint32_t iMbWidth           = 0;    uint32_t iMbHeight          = 0;    int32_t iMbNumInFrame       = 0;    uint32_t iMaxSliceNum       = MAX_SLICES_NUM;

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