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/** \file     TAppEncCfg.h
    \brief    Handle encoder configuration parameters (header)
*/

#ifndef __TAPPENCCFG__
#define __TAPPENCCFG__

#include "TLibCommon/CommonDef.h"

#include "TLibEncoder/TEncCfg.h"
#include <sstream>
//! \ingroup TAppEncoder
//! \{

// ====================================================================================================================
// Class definition
// ====================================================================================================================

/// encoder configuration class
class TAppEncCfg
{
protected:
  // file I/O
  Char*     m_pchInputFile;                                   ///< source file name
  Char*     m_pchBitstreamFile;                               ///< output bitstream file
  Char*     m_pchReconFile;                                   ///< output reconstruction file
  Double    m_adLambdaModifier[ MAX_TLAYER ];                 ///< Lambda modifier array for each temporal layer
  // source specification
  Int       m_iFrameRate;                                     ///< source frame-rates (Hz)
  UInt      m_FrameSkip;                                   ///< number of skipped frames from the beginning
  Int       m_iSourceWidth;                                   ///< source width in pixel
  Int       m_iSourceHeight;                                  ///< source height in pixel
  Int       m_conformanceMode;
  Int       m_confLeft;
  Int       m_confRight;
  Int       m_confTop;
  Int       m_confBottom;
  Int       m_framesToBeEncoded;                              ///< number of encoded frames
  Int       m_aiPad[2];                                       ///< number of padded pixels for width and height
#if RExt__COLOUR_SPACE_CONVERSIONS
  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.
#endif
  ChromaFormat m_InputChromaFormatIDC;
  
  // profile/level
  Profile::Name m_profile;
  Level::Tier   m_levelTier;
  Level::Name   m_level;
#if L0046_CONSTRAINT_FLAGS
  Bool m_progressiveSourceFlag;
  Bool m_interlacedSourceFlag;
  Bool m_nonPackedConstraintFlag;
  Bool m_frameOnlyConstraintFlag;
#endif
  
  // 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 reference pictures needed for decoding
  Bool      m_bUseLComb;                                      ///< flag for using combined reference list for uni-prediction in B-slices (JCTVC-D421)
  Bool      m_useTransformSkip;                               ///< flag for enabling intra transform skipping
  Bool      m_useTransformSkipFast;                           ///< flag for enabling fast intra transform skipping
  Bool      m_enableAMP;
  // coding quality
  Double    m_fQP;                                            ///< QP value of key-picture (floating point)
  Int       m_iQP;                                            ///< QP value of key-picture (integer)
  Char*     m_pchdQPFile;                                     ///< QP offset for each slice (initialized from external file)
  Int*      m_aidQP;                                          ///< array of slice QP values
  Int       m_iMaxDeltaQP;                                    ///< max. |delta QP|
  UInt      m_uiDeltaQpRD;                                    ///< dQP range for multi-pass slice QP optimization
  Int       m_iMaxCuDQPDepth;                                 ///< Max. depth for a minimum CuDQPSize (0:default)

  Int       m_cbQpOffset;                                     ///< Chroma Cb QP Offset (0:default) 
  Int       m_crQpOffset;                                     ///< Chroma Cr QP Offset (0:default)

#if ADAPTIVE_QP_SELECTION
  Bool      m_bUseAdaptQpSelect;
#endif

  Bool      m_bUseAdaptiveQP;                                 ///< Flag for enabling QP adaptation based on a psycho-visual model
  Int       m_iQPAdaptationRange;                             ///< dQP range by QP adaptation
  
  Int       m_maxTempLayer;                                  ///< Max temporal layer

  // coding unit (CU) definition
  UInt      m_uiMaxCUWidth;                                   ///< max. CU width in pixel
  UInt      m_uiMaxCUHeight;                                  ///< max. CU height in pixel
  UInt      m_uiMaxCUDepth;                                   ///< max. CU depth
  
  // transfom unit (TU) definition
  UInt      m_uiQuadtreeTULog2MaxSize;
  UInt      m_uiQuadtreeTULog2MinSize;
  
  UInt      m_uiQuadtreeTUMaxDepthInter;
  UInt      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_internalBitDepth[MAX_NUM_CHANNEL_TYPE];         ///< bit-depth codec operates at (input/output files will be converted)

  //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 (lossless)
#if RExt__BACKWARDS_COMPATIBILITY_HM_TRANSQUANTBYPASS
  Bool      m_useLossless;                                    ///< flag for using lossless coding
#endif
  Bool      m_bUseSAO; 
  Int       m_maxNumOffsetsPerPic;                            ///< SAO maximun number of offset per picture
  Bool      m_saoLcuBoundary;                                 ///< SAO parameter estimation using non-deblocked pixels for LCU bottom and right boundary areas
  Bool      m_saoLcuBasedOptimization;                        ///< SAO LCU-based optimization
  // 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
  Bool      m_DeblockingFilterControlPresent;                 ///< deblocking filter control present flag in PPS
 
  // coding tools (PCM)
  Bool      m_usePCM;                                         ///< flag for using IPCM
  UInt      m_pcmLog2MaxSize;                                 ///< log2 of maximum PCM block size
  UInt      m_uiPCMLog2MinSize;                               ///< log2 of minimum PCM block size
  Bool      m_bPCMFilterDisableFlag;                          ///< PCM filter disable flag

  // coding tools (encoder-only parameters)
  Bool      m_bUseSBACRD;                                     ///< flag for using RD optimization based on SBAC
  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 L0232_RD_PENALTY
  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) 
#endif
  Int       m_iFastSearch;                                    ///< ME mode, 0 = full, 1 = diamond, 2 = PMVFAST
  Int       m_iSearchRange;                                   ///< ME search range
  Int       m_bipredSearchRange;                              ///< ME search range for bipred refinement
  Bool      m_bUseFastEnc;                                    ///< flag for using fast encoder setting
  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
  Int       m_sliceMode;                                     ///< 0: no slice limits, 1 : max number of CTBs per slice, 2: max number of bytes per slice, 
                                                             ///< 3: max number of tiles per slice
  Int       m_sliceArgument;                                 ///< argument according to selected slice mode
  Int       m_sliceSegmentMode;                              ///< 0: no slice segment limits, 1 : max number of CTBs per slice segment, 2: max number of bytes per slice segment, 
                                                             ///< 3: max number of tiles per slice segment
  Int       m_sliceSegmentArgument;                          ///< argument according to selected slice segment mode

  Bool      m_bLFCrossSliceBoundaryFlag;  ///< 1: filter across slice boundaries 0: do not filter across slice boundaries
  Bool      m_bLFCrossTileBoundaryFlag;   ///< 1: filter across tile boundaries  0: do not filter across tile boundaries
  Int       m_iUniformSpacingIdr;
  Int       m_iNumColumnsMinus1;
  Char*     m_pchColumnWidth;
  Int       m_iNumRowsMinus1;
  Char*     m_pchRowHeight;
  UInt*     m_pColumnWidth;
  UInt*     m_pRowHeight;
  Int       m_iWaveFrontSynchro; //< 0: no WPP. >= 1: WPP is enabled, the "Top right" from which inheritance occurs is this LCU offset in the line above the current.
  Int       m_iWaveFrontFlush; //< enable(1)/disable(0) the CABAC flush at the end of each line of LCUs.
  Int       m_iWaveFrontSubstreams; //< If iWaveFrontSynchro, this is the number of substreams per frame (dependent tiles) or per tile (independent tiles).

  Bool      m_bUseConstrainedIntraPred;                       ///< flag for using constrained intra prediction
  
  Int       m_decodedPictureHashSEIEnabled;                    ///< Checksum(3)/CRC(2)/MD5(1)/disable(0) acting on decoded picture hash SEI message
  Int       m_recoveryPointSEIEnabled;
  Int       m_bufferingPeriodSEIEnabled;
  Int       m_pictureTimingSEIEnabled;
  Int       m_framePackingSEIEnabled;
  Int       m_framePackingSEIType;
  Int       m_framePackingSEIId;
  Int       m_framePackingSEIQuincunx;
  Int       m_framePackingSEIInterpretation;
  Int       m_displayOrientationSEIAngle;
  Int       m_temporalLevel0IndexSEIEnabled;
  Int       m_gradualDecodingRefreshInfoEnabled;
  Int       m_decodingUnitInfoSEIEnabled;
  // weighted prediction
  Bool      m_useWeightedPred;                    ///< Use of weighted prediction in P slices
  Bool      m_useWeightedBiPred;                  ///< Use of bi-directional weighted prediction in B slices

  UInt      m_log2ParallelMergeLevel;                         ///< Parallel merge estimation region
  UInt      m_maxNumMergeCand;                                ///< Max number of merge candidates

  Int       m_TMVPModeId;
  Int       m_signHideFlag;
#if RATE_CONTROL_LAMBDA_DOMAIN
  Bool      m_RCEnableRateControl;                ///< enable rate control or not
  Int       m_RCTargetBitrate;                    ///< target bitrate when rate control is enabled
  Bool      m_RCKeepHierarchicalBit;              ///< whether keeping hierarchical bit allocation structure or not
  Bool      m_RCLCULevelRC;                       ///< true: LCU level rate control; false: picture level rate control
  Bool      m_RCUseLCUSeparateModel;              ///< use separate R-lambda model at LCU level
  Int       m_RCInitialQP;                        ///< inital QP for rate control
  Bool      m_RCForceIntraQP;                     ///< force all intra picture to use initial QP or not
#else
  Bool      m_enableRateCtrl;                                   ///< Flag for using rate control algorithm
  Int       m_targetBitrate;                                 ///< target bitrate
  Int       m_numLCUInUnit;                                  ///< Total number of LCUs in a frame should be completely divided by the NumLCUInUnit
#endif
  Int       m_useScalingListId;                               ///< using quantization matrix
  Char*     m_scalingListFile;                                ///< quantization matrix file name

  Bool      m_TransquantBypassEnableFlag;                     ///< transquant_bypass_enable_flag setting in PPS.
#if RExt__BACKWARDS_COMPATIBILITY_HM_TRANSQUANTBYPASS
  Bool      m_CUTransquantBypassFlagValue;                    ///< if transquant_bypass_enable_flag, the fixed value to use for the per-CU cu_transquant_bypass_flag.
#else
  Bool      m_CUTransquantBypassFlagForce;                    ///< if transquant_bypass_enable_flag, then, if true, all CU transquant bypass flags will be set to true.
#endif

  Bool      m_recalculateQPAccordingToLambda;                 ///< recalculate QP value according to the lambda value
  Bool      m_useStrongIntraSmoothing;                        ///< enable strong intra smoothing for 32x32 blocks where the reference samples are flat
  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
  Bool      m_tilesFixedStructureFlag;                        ///< Indicates that each active picture parameter set has the same values of the syntax elements related to tiles
  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

  // internal member functions
  Void  xSetGlobal      ();                                   ///< set global variables
  Void  xCheckParameter ();                                   ///< check validity of configuration values
  Void  xPrintParameter ();                                   ///< print configuration values
  Void  xPrintUsage     ();                                   ///< print usage
#if SIGNAL_BITRATE_PICRATE_IN_VPS
  Int       m_bitRatePicRateMaxTLayers;                       ///< Indicates max. number of sub-layers for which bit rate is signalled.
  Bool*     m_bitRateInfoPresentFlag;                         ///< Indicates whether bit rate information is signalled
  Bool*     m_picRateInfoPresentFlag;                         ///< Indicates whether pic rate information is signalled
  Int*      m_avgBitRate;                                     ///< Indicates avg. bit rate information for various sub-layers
  Int*      m_maxBitRate;                                     ///< Indicates max. bit rate information for various sub-layers
  Int*      m_avgPicRate;                                     ///< Indicates avg. picture rate information for various sub-layers
  Int*      m_constantPicRateIdc;                                ///< Indicates constant picture rate idc for various sub-layers
#endif
  #
public:
  TAppEncCfg();
  virtual ~TAppEncCfg();
  
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 TAppEncCfg

//! \}

#endif // __TAPPENCCFG__

