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/** \file     TEncTop.h
    \brief    encoder class (header)
*/

#ifndef __TENCTOP__
#define __TENCTOP__

// Include files
#include "TLibCommon/TComList.h"
#include "TLibCommon/TComPrediction.h"
#include "TLibCommon/TComTrQuant.h"
#include "TLibCommon/AccessUnit.h"

#include "TLibVideoIO/TVideoIOYuv.h"

#include "TEncCfg.h"
#include "TEncGOP.h"
#include "TEncSlice.h"
#include "TEncEntropy.h"
#include "TEncCavlc.h"
#include "TEncSbac.h"
#include "TEncSearch.h"
#include "TEncSampleAdaptiveOffset.h"
#include "TEncPreanalyzer.h"
#include "TEncRateCtrl.h"
//! \ingroup TLibEncoder
//! \{

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

/// encoder class
class TEncTop : public TEncCfg
{
private:
  // picture
  Int                     m_iPOCLast;                     ///< time index (POC)
  Int                     m_iNumPicRcvd;                  ///< number of received pictures
  UInt                    m_uiNumAllPicCoded;             ///< number of coded pictures
  TComList<TComPic*>      m_cListPic;                     ///< dynamic list of pictures
  
  // encoder search
  TEncSearch              m_cSearch;                      ///< encoder search class
  TEncEntropy*            m_pcEntropyCoder;                     ///< entropy encoder 
  TEncCavlc*              m_pcCavlcCoder;                       ///< CAVLC encoder  
  // coding tool
  TComTrQuant             m_cTrQuant;                     ///< transform & quantization class
  TComLoopFilter          m_cLoopFilter;                  ///< deblocking filter class
  TEncSampleAdaptiveOffset m_cEncSAO;                     ///< sample adaptive offset class
  TEncEntropy             m_cEntropyCoder;                ///< entropy encoder
  TEncCavlc               m_cCavlcCoder;                  ///< CAVLC encoder
  TEncSbac                m_cSbacCoder;                   ///< SBAC encoder
  TEncBinCABAC            m_cBinCoderCABAC;               ///< bin coder CABAC
  TEncSbac*               m_pcSbacCoders;                 ///< SBAC encoders (to encode substreams )
  TEncBinCABAC*           m_pcBinCoderCABACs;             ///< bin coders CABAC (one per substream)
  
  // processing unit
  TEncGOP                 m_cGOPEncoder;                  ///< GOP encoder
  TEncSlice               m_cSliceEncoder;                ///< slice encoder
  TEncCu                  m_cCuEncoder;                   ///< CU encoder
  // SPS
  TComSPS                 m_cSPS;                         ///< SPS
  TComPPS                 m_cPPS;                         ///< PPS
  // RD cost computation
  TComBitCounter          m_cBitCounter;                  ///< bit counter for RD optimization
  TComRdCost              m_cRdCost;                      ///< RD cost computation class
  TEncSbac***             m_pppcRDSbacCoder;              ///< temporal storage for RD computation
  TEncSbac                m_cRDGoOnSbacCoder;             ///< going on SBAC model for RD stage
#if FAST_BIT_EST
  TEncBinCABACCounter***  m_pppcBinCoderCABAC;            ///< temporal CABAC state storage for RD computation
  TEncBinCABACCounter     m_cRDGoOnBinCoderCABAC;         ///< going on bin coder CABAC for RD stage
#else
  TEncBinCABAC***         m_pppcBinCoderCABAC;            ///< temporal CABAC state storage for RD computation
  TEncBinCABAC            m_cRDGoOnBinCoderCABAC;         ///< going on bin coder CABAC for RD stage
#endif
  Int                     m_iNumSubstreams;                ///< # of top-level elements allocated.
  TComBitCounter*         m_pcBitCounters;                 ///< bit counters for RD optimization per substream
  TComRdCost*             m_pcRdCosts;                     ///< RD cost computation class per substream
  TEncSbac****            m_ppppcRDSbacCoders;             ///< temporal storage for RD computation per substream
  TEncSbac*               m_pcRDGoOnSbacCoders;            ///< going on SBAC model for RD stage per substream
  TEncBinCABAC****        m_ppppcBinCodersCABAC;           ///< temporal CABAC state storage for RD computation per substream
  TEncBinCABAC*           m_pcRDGoOnBinCodersCABAC;        ///< going on bin coder CABAC for RD stage per substream

  // quality control
  TEncPreanalyzer         m_cPreanalyzer;                 ///< image characteristics analyzer for TM5-step3-like adaptive QP

  TComScalingList         m_scalingList;                 ///< quantization matrix information
  TEncRateCtrl            m_cRateCtrl;                    ///< Rate control class
  
protected:
  Void  xGetNewPicBuffer  ( TComPic*& rpcPic );           ///< get picture buffer which will be processed
  Void  xInitSPS          ();                             ///< initialize SPS from encoder options
  Void  xInitPPS          ();                             ///< initialize PPS from encoder options
  
  Void  xInitPPSforTiles  ();
  Void  xInitRPS          ();                             ///< initialize PPS from encoder options

public:
  TEncTop();
  virtual ~TEncTop();
  
  Void      create          ();
  Void      destroy         ();
  Void      init            ();
  Void      deletePicBuffer ();

  Void      createWPPCoders(Int iNumSubstreams);
  
  // -------------------------------------------------------------------------------------------------------------------
  // member access functions
  // -------------------------------------------------------------------------------------------------------------------
  
  TComList<TComPic*>*     getListPic            () { return  &m_cListPic;             }
  TEncSearch*             getPredSearch         () { return  &m_cSearch;              }
  
  TComTrQuant*            getTrQuant            () { return  &m_cTrQuant;             }
  TComLoopFilter*         getLoopFilter         () { return  &m_cLoopFilter;          }
  TEncSampleAdaptiveOffset* getSAO              () { return  &m_cEncSAO;              }
  TEncGOP*                getGOPEncoder         () { return  &m_cGOPEncoder;          }
  TEncSlice*              getSliceEncoder       () { return  &m_cSliceEncoder;        }
  TEncCu*                 getCuEncoder          () { return  &m_cCuEncoder;           }
  TEncEntropy*            getEntropyCoder       () { return  &m_cEntropyCoder;        }
  TEncCavlc*              getCavlcCoder         () { return  &m_cCavlcCoder;          }
  TEncSbac*               getSbacCoder          () { return  &m_cSbacCoder;           }
  TEncBinCABAC*           getBinCABAC           () { return  &m_cBinCoderCABAC;       }
  TEncSbac*               getSbacCoders     () { return  m_pcSbacCoders;      }
  TEncBinCABAC*           getBinCABACs          () { return  m_pcBinCoderCABACs;      }
  
  TComBitCounter*         getBitCounter         () { return  &m_cBitCounter;          }
  TComRdCost*             getRdCost             () { return  &m_cRdCost;              }
  TEncSbac***             getRDSbacCoder        () { return  m_pppcRDSbacCoder;       }
  TEncSbac*               getRDGoOnSbacCoder    () { return  &m_cRDGoOnSbacCoder;     }
  TComBitCounter*         getBitCounters        () { return  m_pcBitCounters;         }
  TComRdCost*             getRdCosts            () { return  m_pcRdCosts;             }
  TEncSbac****            getRDSbacCoders       () { return  m_ppppcRDSbacCoders;     }
  TEncSbac*               getRDGoOnSbacCoders   () { return  m_pcRDGoOnSbacCoders;   }
  TEncRateCtrl*           getRateCtrl           () { return &m_cRateCtrl;             }
  TComSPS*                getSPS                () { return  &m_cSPS;                 }
  TComPPS*                getPPS                () { return  &m_cPPS;                 }
  Void selectReferencePictureSet(TComSlice* slice, Int POCCurr, Int GOPid );
  TComScalingList*        getScalingList        () { return  &m_scalingList;         }
  // -------------------------------------------------------------------------------------------------------------------
  // encoder function
  // -------------------------------------------------------------------------------------------------------------------

  /// encode several number of pictures until end-of-sequence
  Void encode( Bool bEos,
               TComPicYuv* pcPicYuvOrg,
#if RExt__COLOUR_SPACE_CONVERSIONS
               TComPicYuv* pcPicYuvTrueOrg, const InputColourSpaceConversion snrCSC, // used for SNR calculations. Picture in original colour space.
#endif
               TComList<TComPicYuv*>& rcListPicYuvRecOut,
               std::list<AccessUnit>& accessUnitsOut, Int& iNumEncoded );

  void printSummary() { m_cGOPEncoder.printOutSummary (m_uiNumAllPicCoded); }
};

//! \}

#endif // __TENCTOP__
