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  • /* The copyright in this software is being made available under the BSD
     * License, included below. This software may be subject to other third party
     * and contributor rights, including patent rights, and no such rights are
     * granted under this license.
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     * Copyright (c) 2010-2019, ITU/ISO/IEC
    
     * All rights reserved.
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     *    this list of conditions and the following disclaimer.
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    /** \file     EncAppCfg.h
        \brief    Handle encoder configuration parameters (header)
    */
    
    #ifndef __ENCAPPCFG__
    #define __ENCAPPCFG__
    
    #include "CommonLib/CommonDef.h"
    
    #include "EncoderLib/EncCfg.h"
    #if EXTENSION_360_VIDEO
    #include "AppEncHelper360/TExt360AppEncCfg.h"
    #endif
    #include <sstream>
    #include <vector>
    //! \ingroup EncoderApp
    //! \{
    
    // ====================================================================================================================
    // Class definition
    // ====================================================================================================================
    
    /// encoder configuration class
    class EncAppCfg
    {
    #if QP_SWITCHING_FOR_PARALLEL
    public:
      template <class T>
      struct OptionalValue
      {
        bool bPresent;
        T    value;
        OptionalValue() : bPresent(false), value() { }
      };
    #endif
    
    protected:
      // file I/O
      std::string m_inputFileName;                                ///< source file name
      std::string m_bitstreamFileName;                            ///< output bitstream file
      std::string m_reconFileName;                                ///< output reconstruction file
    
      // Lambda modifiers
      double    m_adLambdaModifier[ MAX_TLAYER ];                 ///< Lambda modifier array for each temporal layer
      std::vector<double> m_adIntraLambdaModifier;                ///< Lambda modifier for Intra pictures, one for each temporal layer. If size>temporalLayer, then use [temporalLayer], else if size>0, use [size()-1], else use m_adLambdaModifier.
      double    m_dIntraQpFactor;                                 ///< Intra Q Factor. If negative, use a default equation: 0.57*(1.0 - Clip3( 0.0, 0.5, 0.05*(double)(isField ? (GopSize-1)/2 : GopSize-1) ))
    
      // source specification
      int       m_iFrameRate;                                     ///< source frame-rates (Hz)
      uint32_t      m_FrameSkip;                                      ///< number of skipped frames from the beginning
      uint32_t      m_temporalSubsampleRatio;                         ///< temporal subsample ratio, 2 means code every two frames
      int       m_iSourceWidth;                                   ///< source width in pixel
      int       m_iSourceHeight;                                  ///< source height in pixel (when interlaced = field height)
    #if EXTENSION_360_VIDEO
      int       m_inputFileWidth;                                 ///< width of image in input file  (this is equivalent to sourceWidth,  if sourceWidth  is not subsequently altered due to padding)
      int       m_inputFileHeight;                                ///< height of image in input file (this is equivalent to sourceHeight, if sourceHeight is not subsequently altered due to padding)
    #endif
      int       m_iSourceHeightOrg;                               ///< original source height in pixel (when interlaced = frame height)
    
      bool      m_isField;                                        ///< enable field coding
      bool      m_isTopFieldFirst;
      bool      m_bEfficientFieldIRAPEnabled;                     ///< enable an efficient field IRAP structure.
      bool      m_bHarmonizeGopFirstFieldCoupleEnabled;
    
      int       m_conformanceWindowMode;
      int       m_confWinLeft;
      int       m_confWinRight;
      int       m_confWinTop;
      int       m_confWinBottom;
      int       m_framesToBeEncoded;                              ///< number of encoded frames
      int       m_aiPad[2];                                       ///< number of padded pixels for width and height
      bool      m_AccessUnitDelimiter;                            ///< add Access Unit Delimiter NAL units
      InputColourSpaceConversion m_inputColourSpaceConvert;       ///< colour space conversion to apply to input video
      bool      m_snrInternalColourSpace;                       ///< if true, then no colour space conversion is applied for snr calculation, otherwise inverse of input is applied.
      bool      m_outputInternalColourSpace;                    ///< if true, then no colour space conversion is applied for reconstructed video, otherwise inverse of input is applied.
      ChromaFormat m_InputChromaFormatIDC;
    
      bool      m_printMSEBasedSequencePSNR;
      bool      m_printHexPsnr;
      bool      m_printFrameMSE;
      bool      m_printSequenceMSE;
      bool      m_cabacZeroWordPaddingEnabled;
      bool      m_bClipInputVideoToRec709Range;
      bool      m_bClipOutputVideoToRec709Range;
    
      bool      m_packedYUVMode;                                  ///< If true, output 10-bit and 12-bit YUV data as 5-byte and 3-byte (respectively) packed YUV data
    
    
      // profile/level
      Profile::Name m_profile;
      Level::Tier   m_levelTier;
      Level::Name   m_level;
      uint32_t          m_bitDepthConstraint;
      ChromaFormat  m_chromaFormatConstraint;
      bool          m_intraConstraintFlag;
      bool          m_onePictureOnlyConstraintFlag;
      bool          m_lowerBitRateConstraintFlag;
      bool          m_progressiveSourceFlag;
      bool          m_interlacedSourceFlag;
      bool          m_nonPackedConstraintFlag;
      bool          m_frameOnlyConstraintFlag;
    
      // coding structure
      int       m_iIntraPeriod;                                   ///< period of I-slice (random access period)
      int       m_iDecodingRefreshType;                           ///< random access type
      int       m_iGOPSize;                                       ///< GOP size of hierarchical structure
      int       m_extraRPSs;                                      ///< extra RPSs added to handle CRA
      GOPEntry  m_GOPList[MAX_GOP];                               ///< the coding structure entries from the config file
      int       m_numReorderPics[MAX_TLAYER];                     ///< total number of reorder pictures
      int       m_maxDecPicBuffering[MAX_TLAYER];                 ///< total number of pictures in the decoded picture buffer
      bool      m_crossComponentPredictionEnabledFlag;            ///< flag enabling the use of cross-component prediction
      bool      m_reconBasedCrossCPredictionEstimate;             ///< causes the alpha calculation in encoder search to be based on the decoded residual rather than the pre-transform encoder-side residual
      uint32_t      m_log2SaoOffsetScale[MAX_NUM_CHANNEL_TYPE];       ///< number of bits for the upward bit shift operation on the decoded SAO offsets
      bool      m_useTransformSkip;                               ///< flag for enabling intra transform skipping
      bool      m_useTransformSkipFast;                           ///< flag for enabling fast intra transform skipping
      uint32_t      m_log2MaxTransformSkipBlockSize;                  ///< transform-skip maximum size (minimum of 2)
      bool      m_transformSkipRotationEnabledFlag;               ///< control flag for transform-skip/transquant-bypass residual rotation
      bool      m_transformSkipContextEnabledFlag;                ///< control flag for transform-skip/transquant-bypass single significance map context
      bool      m_rdpcmEnabledFlag[NUMBER_OF_RDPCM_SIGNALLING_MODES];///< control flags for residual DPCM
      bool      m_persistentRiceAdaptationEnabledFlag;            ///< control flag for Golomb-Rice parameter adaptation over each slice
      bool      m_cabacBypassAlignmentEnabledFlag;
    
      // coding quality
    #if QP_SWITCHING_FOR_PARALLEL
      OptionalValue<uint32_t> m_qpIncrementAtSourceFrame;             ///< Optional source frame number at which all subsequent frames are to use an increased internal QP.
    #else
      double    m_fQP;                                            ///< QP value of key-picture (floating point)
    #endif
      int       m_iQP;                                            ///< QP value of key-picture (integer)
    #if X0038_LAMBDA_FROM_QP_CAPABILITY
      int       m_intraQPOffset;                                  ///< QP offset for intra slice (integer)
      bool      m_lambdaFromQPEnable;                             ///< enable flag for QP:lambda fix
    #endif
      std::string m_dQPFileName;                                  ///< QP offset for each slice (initialized from external file)
      int*      m_aidQP;                                          ///< array of slice QP values
      int       m_iMaxDeltaQP;                                    ///< max. |delta QP|
      uint32_t      m_uiDeltaQpRD;                                    ///< dQP range for multi-pass slice QP optimization
      int       m_iMaxCuDQPDepth;                                 ///< Max. depth for a minimum CuDQPSize (0:default)
      int       m_diffCuChromaQpOffsetDepth;                      ///< If negative, then do not apply chroma qp offsets.
      bool      m_bFastDeltaQP;                                   ///< Fast Delta QP (false:default)
    
      int       m_cbQpOffset;                                     ///< Chroma Cb QP Offset (0:default)
      int       m_crQpOffset;                                     ///< Chroma Cr QP Offset (0:default)
      int       m_cbQpOffsetDualTree;                             ///< Chroma Cb QP Offset for dual tree (overwrite m_cbQpOffset for dual tree)
      int       m_crQpOffsetDualTree;                             ///< Chroma Cr QP Offset for dual tree (overwrite m_crQpOffset for dual tree)
    #if ER_CHROMA_QP_WCG_PPS
      WCGChromaQPControl m_wcgChromaQpControl;                    ///< Wide-colour-gamut chroma QP control.
    #endif
    #if W0038_CQP_ADJ
      uint32_t      m_sliceChromaQpOffsetPeriodicity;                 ///< Used in conjunction with Slice Cb/Cr QpOffsetIntraOrPeriodic. Use 0 (default) to disable periodic nature.
      int       m_sliceChromaQpOffsetIntraOrPeriodic[2/*Cb,Cr*/]; ///< Chroma Cb QP Offset at slice level for I slice or for periodic inter slices as defined by SliceChromaQPOffsetPeriodicity. Replaces offset in the GOP table.
    #endif
    #if SHARP_LUMA_DELTA_QP
      LumaLevelToDeltaQPMapping m_lumaLevelToDeltaQPMapping;      ///< mapping from luma level to Delta QP.
    #endif
      SEIMasteringDisplay m_masteringDisplay;
    
      bool      m_bUseAdaptiveQP;                                 ///< Flag for enabling QP adaptation based on a psycho-visual model
      int       m_iQPAdaptationRange;                             ///< dQP range by QP adaptation
    #if ENABLE_QPA
      bool      m_bUsePerceptQPA;                                 ///< Flag to enable perceptually motivated input-adaptive QP modification
      bool      m_bUseWPSNR;                                      ///< Flag to output perceptually weighted peak SNR (WPSNR) instead of PSNR
    #endif
      int       m_maxTempLayer;                                   ///< Max temporal layer
    
      // coding unit (CU) definition
      unsigned  m_uiCTUSize;
    
      bool      m_SplitConsOverrideEnabledFlag;
    
      unsigned  m_uiMinQT[3]; // 0: I slice luma; 1: P/B slice; 2: I slice chroma
      unsigned  m_uiMaxBTDepth;
      unsigned  m_uiMaxBTDepthI;
      unsigned  m_uiMaxBTDepthIChroma;
      bool      m_dualTree;
      bool      m_LargeCTU;
      int       m_SubPuMvpMode;
      bool      m_Affine;
      bool      m_AffineType;
    
      bool      m_DisableMotionCompression;
      unsigned  m_MTT;
    #if ENABLE_WPP_PARALLELISM
      bool      m_AltDQPCoding;
    #endif
      int       m_LMChroma;
    
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    #if JVET_M0142_CCLM_COLLOCATED_CHROMA
      bool      m_cclmCollocatedChromaFlag;
    #endif
    
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    #if JVET_M0464_UNI_MTS
      int       m_MTS;                                            ///< XZ: Multiple Transform Set
      int       m_MTSIntraMaxCand;                                ///< XZ: Number of additional candidates to test
      int       m_MTSInterMaxCand;                                ///< XZ: Number of additional candidates to test
    #else
    
      int       m_EMT;                                            ///< XZ: Enhanced Multiple Transform
      int       m_FastEMT;                                        ///< XZ: Fast Methods of Enhanced Multiple Transform
    
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    #endif
    
      bool      m_GBi;
      bool      m_GBiFast;
    
    #if LUMA_ADAPTIVE_DEBLOCKING_FILTER_QP_OFFSET
      bool      m_LadfEnabed;
      int       m_LadfNumIntervals;
      std::vector<int> m_LadfQpOffset;
      int       m_LadfIntervalLowerBound[MAX_LADF_INTERVALS];
    
    #if JVET_M0255_FRACMMVD_SWITCH
      bool      m_allowDisFracMMVD;
    #endif
    
    #if JVET_M0246_AFFINE_AMVR
      bool      m_AffineAmvr;
    #endif
    
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      unsigned  m_IBCMode;
      unsigned  m_IBCLocalSearchRangeX;
      unsigned  m_IBCLocalSearchRangeY;
      unsigned  m_IBCHashSearch;
      unsigned  m_IBCHashSearchMaxCand;
      unsigned  m_IBCHashSearchRange4SmallBlk;
      unsigned  m_IBCFastMethod;
    
      bool      m_wrapAround;
      unsigned  m_wrapAroundOffset;
    
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      // ADD_NEW_TOOL : (encoder app) add tool enabling flags and associated parameters here
    
      unsigned  m_uiMaxCUWidth;                                   ///< max. CU width in pixel
      unsigned  m_uiMaxCUHeight;                                  ///< max. CU height in pixel
      unsigned  m_uiMaxCUDepth;                                   ///< max. CU depth (as specified by command line)
      unsigned  m_uiMaxCodingDepth;                               ///< max. total CU depth - includes depth of transform-block structure
      unsigned  m_uiLog2DiffMaxMinCodingBlockSize;                ///< difference between largest and smallest CU depth
    
      bool      m_useFastLCTU;
      bool      m_usePbIntraFast;
      bool      m_useAMaxBT;
      bool      m_useFastMrg;
      bool      m_e0023FastEnc;
      bool      m_contentBasedFastQtbt;
    
    
      int       m_numSplitThreads;
      bool      m_forceSplitSequential;
      int       m_numWppThreads;
      int       m_numWppExtraLines;
      bool      m_ensureWppBitEqual;
    
      // transfom unit (TU) definition
      int       m_quadtreeTULog2MaxSize;
      int       m_quadtreeTULog2MinSize;
      int       m_tuLog2MaxSize;
    
      uint32_t      m_uiQuadtreeTUMaxDepthInter;
      uint32_t      m_uiQuadtreeTUMaxDepthIntra;
    
      // coding tools (bit-depth)
      int       m_inputBitDepth   [MAX_NUM_CHANNEL_TYPE];         ///< bit-depth of input file
      int       m_outputBitDepth  [MAX_NUM_CHANNEL_TYPE];         ///< bit-depth of output file
      int       m_MSBExtendedBitDepth[MAX_NUM_CHANNEL_TYPE];      ///< bit-depth of input samples after MSB extension
      int       m_internalBitDepth[MAX_NUM_CHANNEL_TYPE];         ///< bit-depth codec operates at (input/output files will be converted)
      bool      m_extendedPrecisionProcessingFlag;
      bool      m_highPrecisionOffsetsEnabledFlag;
    
      //coding tools (chroma format)
      ChromaFormat m_chromaFormatIDC;
    
      // coding tools (PCM bit-depth)
      bool      m_bPCMInputBitDepthFlag;                          ///< 0: PCM bit-depth is internal bit-depth. 1: PCM bit-depth is input bit-depth.
    
      // coding tool (SAO)
      bool      m_bUseSAO;
      bool      m_bTestSAODisableAtPictureLevel;
      double    m_saoEncodingRate;                                ///< When >0 SAO early picture termination is enabled for luma and chroma
      double    m_saoEncodingRateChroma;                          ///< The SAO early picture termination rate to use for chroma (when m_SaoEncodingRate is >0). If <=0, use results for luma.
      int       m_maxNumOffsetsPerPic;                            ///< SAO maximun number of offset per picture
      bool      m_saoCtuBoundary;                                 ///< SAO parameter estimation using non-deblocked pixels for CTU bottom and right boundary areas
    #if K0238_SAO_GREEDY_MERGE_ENCODING
    
      bool      m_saoGreedyMergeEnc;                              ///< SAO greedy merge encoding algorithm
    
    #endif
      // coding tools (loop filter)
      bool      m_bLoopFilterDisable;                             ///< flag for using deblocking filter
      bool      m_loopFilterOffsetInPPS;                         ///< offset for deblocking filter in 0 = slice header, 1 = PPS
      int       m_loopFilterBetaOffsetDiv2;                     ///< beta offset for deblocking filter
      int       m_loopFilterTcOffsetDiv2;                       ///< tc offset for deblocking filter
    #if W0038_DB_OPT
      int       m_deblockingFilterMetric;                         ///< blockiness metric in encoder
    #else
      bool      m_DeblockingFilterMetric;                         ///< blockiness metric in encoder
    #endif
      // coding tools (PCM)
      bool      m_usePCM;                                         ///< flag for using IPCM
      uint32_t      m_pcmLog2MaxSize;                                 ///< log2 of maximum PCM block size
      uint32_t      m_uiPCMLog2MinSize;                               ///< log2 of minimum PCM block size
      bool      m_bPCMFilterDisableFlag;                          ///< PCM filter disable flag
      bool      m_enableIntraReferenceSmoothing;                  ///< flag for enabling(default)/disabling intra reference smoothing/filtering
    
      // coding tools (encoder-only parameters)
      bool      m_bUseASR;                                        ///< flag for using adaptive motion search range
      bool      m_bUseHADME;                                      ///< flag for using HAD in sub-pel ME
      bool      m_useRDOQ;                                       ///< flag for using RD optimized quantization
      bool      m_useRDOQTS;                                     ///< flag for using RD optimized quantization for transform skip
    #if T0196_SELECTIVE_RDOQ
      bool      m_useSelectiveRDOQ;                               ///< flag for using selective RDOQ
    #endif
      int       m_rdPenalty;                                      ///< RD-penalty for 32x32 TU for intra in non-intra slices (0: no RD-penalty, 1: RD-penalty, 2: maximum RD-penalty)
      bool      m_bDisableIntraPUsInInterSlices;                  ///< Flag for disabling intra predicted PUs in inter slices.
      MESearchMethod m_motionEstimationSearchMethod;
      bool      m_bRestrictMESampling;                            ///< Restrict sampling for the Selective ME
      int       m_iSearchRange;                                   ///< ME search range
      int       m_bipredSearchRange;                              ///< ME search range for bipred refinement
      int       m_minSearchWindow;                                ///< ME minimum search window size for the Adaptive Window ME
      bool      m_bClipForBiPredMeEnabled;                        ///< Enables clipping for Bi-Pred ME.
      bool      m_bFastMEAssumingSmootherMVEnabled;               ///< Enables fast ME assuming a smoother MV.
      FastInterSearchMode m_fastInterSearchMode;                  ///< Parameter that controls fast encoder settings
      bool      m_bUseEarlyCU;                                    ///< flag for using Early CU setting
      bool      m_useFastDecisionForMerge;                        ///< flag for using Fast Decision Merge RD-Cost
      bool      m_bUseCbfFastMode;                                ///< flag for using Cbf Fast PU Mode Decision
      bool      m_useEarlySkipDetection;                          ///< flag for using Early SKIP Detection
      SliceConstraint m_sliceMode;
      int             m_sliceArgument;                            ///< argument according to selected slice mode
    #if HEVC_DEPENDENT_SLICES
      SliceConstraint m_sliceSegmentMode;
      int             m_sliceSegmentArgument;                     ///< argument according to selected slice segment mode
    #endif
    
      bool      m_bLFCrossSliceBoundaryFlag;  ///< 1: filter across slice boundaries 0: do not filter across slice boundaries
    #if HEVC_TILES_WPP
      bool      m_bLFCrossTileBoundaryFlag;   ///< 1: filter across tile boundaries  0: do not filter across tile boundaries
      bool      m_tileUniformSpacingFlag;
      int       m_numTileColumnsMinus1;
      int       m_numTileRowsMinus1;
      std::vector<int> m_tileColumnWidth;
      std::vector<int> m_tileRowHeight;
      bool      m_entropyCodingSyncEnabledFlag;
    #endif
    
      bool      m_bUseConstrainedIntraPred;                       ///< flag for using constrained intra prediction
      bool      m_bFastUDIUseMPMEnabled;
      bool      m_bFastMEForGenBLowDelayEnabled;
      bool      m_bUseBLambdaForNonKeyLowDelayPictures;
    
      HashType  m_decodedPictureHashSEIType;                      ///< Checksum mode for decoded picture hash SEI message
      bool      m_recoveryPointSEIEnabled;
      bool      m_bufferingPeriodSEIEnabled;
      bool      m_pictureTimingSEIEnabled;
      bool      m_toneMappingInfoSEIEnabled;
      bool      m_chromaResamplingFilterSEIenabled;
      int       m_chromaResamplingHorFilterIdc;
      int       m_chromaResamplingVerFilterIdc;
      int       m_toneMapId;
      bool      m_toneMapCancelFlag;
      bool      m_toneMapPersistenceFlag;
      int       m_toneMapCodedDataBitDepth;
      int       m_toneMapTargetBitDepth;
      int       m_toneMapModelId;
      int       m_toneMapMinValue;
      int       m_toneMapMaxValue;
      int       m_sigmoidMidpoint;
      int       m_sigmoidWidth;
      int       m_numPivots;
      int       m_cameraIsoSpeedIdc;
      int       m_cameraIsoSpeedValue;
      int       m_exposureIndexIdc;
      int       m_exposureIndexValue;
      bool      m_exposureCompensationValueSignFlag;
      int       m_exposureCompensationValueNumerator;
      int       m_exposureCompensationValueDenomIdc;
      int       m_refScreenLuminanceWhite;
      int       m_extendedRangeWhiteLevel;
      int       m_nominalBlackLevelLumaCodeValue;
      int       m_nominalWhiteLevelLumaCodeValue;
      int       m_extendedWhiteLevelLumaCodeValue;
      int*      m_startOfCodedInterval;
      int*      m_codedPivotValue;
      int*      m_targetPivotValue;
      bool      m_framePackingSEIEnabled;
      int       m_framePackingSEIType;
      int       m_framePackingSEIId;
      int       m_framePackingSEIQuincunx;
      int       m_framePackingSEIInterpretation;
      bool      m_segmentedRectFramePackingSEIEnabled;
      bool      m_segmentedRectFramePackingSEICancel;
      int       m_segmentedRectFramePackingSEIType;
      bool      m_segmentedRectFramePackingSEIPersistence;
      int       m_displayOrientationSEIAngle;
      bool      m_temporalLevel0IndexSEIEnabled;
      bool      m_gradualDecodingRefreshInfoEnabled;
      int       m_noDisplaySEITLayer;
      bool      m_decodingUnitInfoSEIEnabled;
      bool      m_SOPDescriptionSEIEnabled;
      bool      m_scalableNestingSEIEnabled;
      bool      m_tmctsSEIEnabled;
      bool      m_timeCodeSEIEnabled;
      int       m_timeCodeSEINumTs;
      SEITimeSet m_timeSetArray[MAX_TIMECODE_SEI_SETS];
      bool      m_kneeSEIEnabled;
      int       m_kneeSEIId;
      bool      m_kneeSEICancelFlag;
      bool      m_kneeSEIPersistenceFlag;
      int       m_kneeSEIInputDrange;
      int       m_kneeSEIInputDispLuminance;
      int       m_kneeSEIOutputDrange;
      int       m_kneeSEIOutputDispLuminance;
      int       m_kneeSEINumKneePointsMinus1;
      int*      m_kneeSEIInputKneePoint;
      int*      m_kneeSEIOutputKneePoint;
    #if U0033_ALTERNATIVE_TRANSFER_CHARACTERISTICS_SEI
      int       m_preferredTransferCharacteristics;
    #endif
      uint32_t      m_greenMetadataType;
      uint32_t      m_xsdMetricType;
    
      // weighted prediction
      bool      m_useWeightedPred;                    ///< Use of weighted prediction in P slices
      bool      m_useWeightedBiPred;                  ///< Use of bi-directional weighted prediction in B slices
      WeightedPredictionMethod m_weightedPredictionMethod;
    
      uint32_t      m_log2ParallelMergeLevel;                         ///< Parallel merge estimation region
      uint32_t      m_maxNumMergeCand;                                ///< Max number of merge candidates
    
      uint32_t      m_maxNumAffineMergeCand;                          ///< Max number of affine merge candidates
    
    
      int       m_TMVPModeId;
      bool      m_depQuantEnabledFlag;
    #if HEVC_USE_SIGN_HIDING
      bool      m_signDataHidingEnabledFlag;
    #endif
      bool      m_RCEnableRateControl;                ///< enable rate control or not
      int       m_RCTargetBitrate;                    ///< target bitrate when rate control is enabled
      int       m_RCKeepHierarchicalBit;              ///< 0: equal bit allocation; 1: fixed ratio bit allocation; 2: adaptive ratio bit allocation
      bool      m_RCLCULevelRC;                       ///< true: LCU level rate control; false: picture level rate control NOTE: code-tidy - rename to m_RCCtuLevelRC
      bool      m_RCUseLCUSeparateModel;              ///< use separate R-lambda model at LCU level                        NOTE: code-tidy - rename to m_RCUseCtuSeparateModel
      int       m_RCInitialQP;                        ///< inital QP for rate control
      bool      m_RCForceIntraQP;                     ///< force all intra picture to use initial QP or not
    #if U0132_TARGET_BITS_SATURATION
      bool      m_RCCpbSaturationEnabled;             ///< enable target bits saturation to avoid CPB overflow and underflow
      uint32_t      m_RCCpbSize;                          ///< CPB size
      double    m_RCInitialCpbFullness;               ///< initial CPB fullness
    #endif
    #if HEVC_USE_SCALING_LISTS
      ScalingListMode m_useScalingListId;                         ///< using quantization matrix
      std::string m_scalingListFileName;                          ///< quantization matrix file name
    #endif
      bool      m_TransquantBypassEnabledFlag;                    ///< transquant_bypass_enabled_flag setting in PPS.
      bool      m_CUTransquantBypassFlagForce;                    ///< if transquant_bypass_enabled_flag, then, if true, all CU transquant bypass flags will be set to true.
      CostMode  m_costMode;                                       ///< Cost mode to use
    
      bool      m_recalculateQPAccordingToLambda;                 ///< recalculate QP value according to the lambda value
    #if HEVC_USE_INTRA_SMOOTHING_T32 || HEVC_USE_INTRA_SMOOTHING_T64
      bool      m_useStrongIntraSmoothing;                        ///< enable strong intra smoothing for 32x32 blocks where the reference samples are flat
    #endif
      int       m_activeParameterSetsSEIEnabled;
    
      bool      m_vuiParametersPresentFlag;                       ///< enable generation of VUI parameters
      bool      m_aspectRatioInfoPresentFlag;                     ///< Signals whether aspect_ratio_idc is present
      int       m_aspectRatioIdc;                                 ///< aspect_ratio_idc
      int       m_sarWidth;                                       ///< horizontal size of the sample aspect ratio
      int       m_sarHeight;                                      ///< vertical size of the sample aspect ratio
      bool      m_overscanInfoPresentFlag;                        ///< Signals whether overscan_appropriate_flag is present
      bool      m_overscanAppropriateFlag;                        ///< Indicates whether conformant decoded pictures are suitable for display using overscan
      bool      m_videoSignalTypePresentFlag;                     ///< Signals whether video_format, video_full_range_flag, and colour_description_present_flag are present
      int       m_videoFormat;                                    ///< Indicates representation of pictures
      bool      m_videoFullRangeFlag;                             ///< Indicates the black level and range of luma and chroma signals
      bool      m_colourDescriptionPresentFlag;                   ///< Signals whether colour_primaries, transfer_characteristics and matrix_coefficients are present
      int       m_colourPrimaries;                                ///< Indicates chromaticity coordinates of the source primaries
      int       m_transferCharacteristics;                        ///< Indicates the opto-electronic transfer characteristics of the source
      int       m_matrixCoefficients;                             ///< Describes the matrix coefficients used in deriving luma and chroma from RGB primaries
      bool      m_chromaLocInfoPresentFlag;                       ///< Signals whether chroma_sample_loc_type_top_field and chroma_sample_loc_type_bottom_field are present
      int       m_chromaSampleLocTypeTopField;                    ///< Specifies the location of chroma samples for top field
      int       m_chromaSampleLocTypeBottomField;                 ///< Specifies the location of chroma samples for bottom field
      bool      m_neutralChromaIndicationFlag;                    ///< Indicates that the value of all decoded chroma samples is equal to 1<<(BitDepthCr-1)
      bool      m_defaultDisplayWindowFlag;                       ///< Indicates the presence of the default window parameters
      int       m_defDispWinLeftOffset;                           ///< Specifies the left offset from the conformance window of the default window
      int       m_defDispWinRightOffset;                          ///< Specifies the right offset from the conformance window of the default window
      int       m_defDispWinTopOffset;                            ///< Specifies the top offset from the conformance window of the default window
      int       m_defDispWinBottomOffset;                         ///< Specifies the bottom offset from the conformance window of the default window
      bool      m_frameFieldInfoPresentFlag;                      ///< Indicates that pic_struct values are present in picture timing SEI messages
      bool      m_pocProportionalToTimingFlag;                    ///< Indicates that the POC value is proportional to the output time w.r.t. first picture in CVS
      int       m_numTicksPocDiffOneMinus1;                       ///< Number of ticks minus 1 that for a POC difference of one
      bool      m_bitstreamRestrictionFlag;                       ///< Signals whether bitstream restriction parameters are present
    #if HEVC_TILES_WPP
      bool      m_tilesFixedStructureFlag;                        ///< Indicates that each active picture parameter set has the same values of the syntax elements related to tiles
    #endif
      bool      m_motionVectorsOverPicBoundariesFlag;             ///< Indicates that no samples outside the picture boundaries are used for inter prediction
      int       m_minSpatialSegmentationIdc;                      ///< Indicates the maximum size of the spatial segments in the pictures in the coded video sequence
      int       m_maxBytesPerPicDenom;                            ///< Indicates a number of bytes not exceeded by the sum of the sizes of the VCL NAL units associated with any coded picture
      int       m_maxBitsPerMinCuDenom;                           ///< Indicates an upper bound for the number of bits of coding_unit() data
      int       m_log2MaxMvLengthHorizontal;                      ///< Indicate the maximum absolute value of a decoded horizontal MV component in quarter-pel luma units
      int       m_log2MaxMvLengthVertical;                        ///< Indicate the maximum absolute value of a decoded vertical MV component in quarter-pel luma units
      int       m_ImvMode;                                        ///< imv mode
      int       m_Imv4PelFast;                                    ///< imv 4-Pel fast mode
      std::string m_colourRemapSEIFileRoot;
    
      std::string m_summaryOutFilename;                           ///< filename to use for producing summary output file.
      std::string m_summaryPicFilenameBase;                       ///< Base filename to use for producing summary picture output files. The actual filenames used will have I.txt, P.txt and B.txt appended.
      uint32_t        m_summaryVerboseness;                           ///< Specifies the level of the verboseness of the text output.
    
      int         m_verbosity;
    
      std::string m_decodeBitstreams[2];                          ///< filename for decode bitstreams.
      int         m_switchPOC;                                    ///< dbg poc.
      int         m_switchDQP;                                    ///< switch DQP.
      int         m_fastForwardToPOC;                             ///< get to encoding the specified POC as soon as possible by skipping temporal layers irrelevant for the specified POC
      bool        m_stopAfterFFtoPOC;
      bool        m_bs2ModPOCAndType;
      bool        m_forceDecodeBitstream1;
    
      bool        m_alf;                                          ///> Adaptive Loop Filter
    
    #if EXTENSION_360_VIDEO
      TExt360AppEncCfg m_ext360;
      friend class TExt360AppEncCfg;
      friend class TExt360AppEncTop;
    #endif
    
    
      // internal member functions
      bool  xCheckParameter ();                                   ///< check validity of configuration values
      void  xPrintParameter ();                                   ///< print configuration values
      void  xPrintUsage     ();                                   ///< print usage
    public:
      EncAppCfg();
      virtual ~EncAppCfg();
    
    public:
      void  create    ();                                         ///< create option handling class
      void  destroy   ();                                         ///< destroy option handling class
      bool  parseCfg  ( int argc, char* argv[] );                ///< parse configuration file to fill member variables
    
    };// END CLASS DEFINITION EncAppCfg
    
    //! \}
    
    #endif // __ENCAPPCFG__