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/** \file     TEncCu.h
    \brief    Coding Unit (CU) encoder class (header)
*/

#ifndef __TENCCU__
#define __TENCCU__

// Include files
#include "TLibCommon/CommonDef.h"
#include "TLibCommon/TComYuv.h"
#include "TLibCommon/TComPrediction.h"
#include "TLibCommon/TComTrQuant.h"
#include "TLibCommon/TComBitCounter.h"
#include "TLibCommon/TComDataCU.h"

#include "TEncEntropy.h"
#include "TEncSearch.h"
#include "TEncRateCtrl.h"
//! \ingroup TLibEncoder
//! \{

class TEncTop;
class TEncSbac;
class TEncCavlc;
class TEncSlice;

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

/// CU encoder class
class TEncCu
{
private:
  
  TComDataCU**            m_ppcBestCU;      ///< Best CUs in each depth
  TComDataCU**            m_ppcTempCU;      ///< Temporary CUs in each depth
  UChar                   m_uhTotalDepth;
  
  TComYuv**               m_ppcPredYuvBest; ///< Best Prediction Yuv for each depth
  TComYuv**               m_ppcResiYuvBest; ///< Best Residual Yuv for each depth
  TComYuv**               m_ppcRecoYuvBest; ///< Best Reconstruction Yuv for each depth
  TComYuv**               m_ppcPredYuvTemp; ///< Temporary Prediction Yuv for each depth
  TComYuv**               m_ppcResiYuvTemp; ///< Temporary Residual Yuv for each depth
  TComYuv**               m_ppcRecoYuvTemp; ///< Temporary Reconstruction Yuv for each depth
  TComYuv**               m_ppcOrigYuv;     ///< Original Yuv for each depth
  
  //  Data : encoder control
  Bool                    m_bEncodeDQP;
  
  //  Access channel
  TEncCfg*                m_pcEncCfg;
  TEncSearch*             m_pcPredSearch;
  TComTrQuant*            m_pcTrQuant;
  TComBitCounter*         m_pcBitCounter;
  TComRdCost*             m_pcRdCost;
  
  TEncEntropy*            m_pcEntropyCoder;
  TEncCavlc*              m_pcCavlcCoder;
  TEncSbac*               m_pcSbacCoder;
  TEncBinCABAC*           m_pcBinCABAC;
  
  // SBAC RD
  TEncSbac***             m_pppcRDSbacCoder;
  TEncSbac*               m_pcRDGoOnSbacCoder;
  Bool                    m_bUseSBACRD;
  TEncRateCtrl*           m_pcRateCtrl;
#if RATE_CONTROL_LAMBDA_DOMAIN
  UInt                    m_LCUPredictionSAD;
  Int                     m_addSADDepth;
  Int                     m_temporalSAD;
#endif
public:
  /// copy parameters from encoder class
  Void  init                ( TEncTop* pcEncTop );
  
  /// create internal buffers
  Void  create              ( UChar uhTotalDepth, UInt iMaxWidth, UInt iMaxHeight );
  
  /// destroy internal buffers
  Void  destroy             ();
  
  /// CU analysis function
  Void  compressCU          ( TComDataCU*&  rpcCU );
  
  /// CU encoding function
  Void  encodeCU            ( TComDataCU*    pcCU );
  
  Void setBitCounter        ( TComBitCounter* pcBitCounter ) { m_pcBitCounter = pcBitCounter; }
#if RATE_CONTROL_LAMBDA_DOMAIN
  UInt getLCUPredictionSAD() { return m_LCUPredictionSAD; }
#endif
protected:
  Void  finishCU            ( TComDataCU*  pcCU, UInt uiAbsPartIdx,           UInt uiDepth        );
#if AMP_ENC_SPEEDUP
  Void  xCompressCU         ( TComDataCU*& rpcBestCU, TComDataCU*& rpcTempCU, UInt uiDepth, PartSize eParentPartSize = SIZE_NONE );
#else
  Void  xCompressCU         ( TComDataCU*& rpcBestCU, TComDataCU*& rpcTempCU, UInt uiDepth        );
#endif
  Void  xEncodeCU           ( TComDataCU*  pcCU, UInt uiAbsPartIdx,           UInt uiDepth        );
  
  Int   xComputeQP          ( TComDataCU* pcCU, UInt uiDepth );
  Void  xCheckBestMode      ( TComDataCU*& rpcBestCU, TComDataCU*& rpcTempCU, UInt uiDepth        );
  
  Void  xCheckRDCostMerge2Nx2N( TComDataCU*& rpcBestCU, TComDataCU*& rpcTempCU, Bool *earlyDetectionSkipMode);

#if AMP_MRG
  Void  xCheckRDCostInter   ( TComDataCU*& rpcBestCU, TComDataCU*& rpcTempCU, PartSize ePartSize, Bool bUseMRG = false  );
#else
  Void  xCheckRDCostInter   ( TComDataCU*& rpcBestCU, TComDataCU*& rpcTempCU, PartSize ePartSize  );
#endif
  Void  xCheckRDCostIntra   ( TComDataCU*& rpcBestCU, TComDataCU*& rpcTempCU, PartSize ePartSize  );
  Void  xCheckDQP           ( TComDataCU*  pcCU );
  
  Void  xCheckIntraPCM      ( TComDataCU*& rpcBestCU, TComDataCU*& rpcTempCU                      );
  Void  xCopyAMVPInfo       ( AMVPInfo* pSrc, AMVPInfo* pDst );
  Void  xCopyYuv2Pic        (TComPic* rpcPic, UInt uiCUAddr, UInt uiAbsPartIdx, UInt uiDepth, UInt uiSrcDepth, TComDataCU* pcCU, UInt uiLPelX, UInt uiTPelY );
  Void  xCopyYuv2Tmp        ( UInt uhPartUnitIdx, UInt uiDepth );

  Bool getdQPFlag           ()                        { return m_bEncodeDQP;        }
  Void setdQPFlag           ( Bool b )                { m_bEncodeDQP = b;           }

#if ADAPTIVE_QP_SELECTION
  // Adaptive reconstruction level (ARL) statistics collection functions
  Void xLcuCollectARLStats(TComDataCU* rpcCU);
  Int  xTuCollectARLStats(TCoeff* rpcCoeff, Int* rpcArlCoeff, Int NumCoeffInCU, Double* cSum, UInt* numSamples );
#endif

#if AMP_ENC_SPEEDUP 
#if AMP_MRG
  Void deriveTestModeAMP (TComDataCU *&rpcBestCU, PartSize eParentPartSize, Bool &bTestAMP_Hor, Bool &bTestAMP_Ver, Bool &bTestMergeAMP_Hor, Bool &bTestMergeAMP_Ver);
#else
  Void deriveTestModeAMP (TComDataCU *&rpcBestCU, PartSize eParentPartSize, Bool &bTestAMP_Hor, Bool &bTestAMP_Ver);
#endif
#endif

  Void  xFillPCMBuffer     ( TComDataCU*& pCU, TComYuv* pOrgYuv ); 
};

//! \}

#endif // __TENCMB__