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/** \file     TDecCu.h
    \brief    CU decoder class (header)
*/

#ifndef __TDECCU__
#define __TDECCU__

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "TLibCommon/TComTrQuant.h"
#include "TLibCommon/TComPrediction.h"
#include "TDecEntropy.h"

//! \ingroup TLibDecoder
//! \{

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

/// CU decoder class
class TDecCu
{
private:
  UInt                m_uiMaxDepth;       ///< max. number of depth
  TComYuv**           m_ppcYuvResi;       ///< array of residual buffer
  TComYuv**           m_ppcYuvReco;       ///< array of prediction & reconstruction buffer
  TComDataCU**        m_ppcCU;            ///< CU data array

  // access channel
  TComTrQuant*        m_pcTrQuant;
  TComPrediction*     m_pcPrediction;
  TDecEntropy*        m_pcEntropyDecoder;

  Bool                m_bDecodeDQP;
  Bool                m_IsChromaQpAdjCoded;

public:
  TDecCu();
  virtual ~TDecCu();

  /// initialize access channels
  Void  init                    ( TDecEntropy* pcEntropyDecoder, TComTrQuant* pcTrQuant, TComPrediction* pcPrediction );

  /// create internal buffers
  Void  create                  ( UInt uiMaxDepth, UInt uiMaxWidth, UInt uiMaxHeight, ChromaFormat chromaFormatIDC );

  /// destroy internal buffers
  Void  destroy                 ();

  /// decode CU information
  Void  decodeCU                ( TComDataCU* pcCU, UInt& ruiIsLast );

  /// reconstruct CU information
  Void  decompressCU            ( TComDataCU* pcCU );

protected:

  Void xDecodeCU                ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt &ruiIsLast);
  Void xFinishDecodeCU          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt &ruiIsLast);
  Bool xDecodeSliceEnd          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth);
  Void xDecompressCU            ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );

  Void xReconInter              ( TComDataCU* pcCU, UInt uiDepth );
  Void xReconIntraBC            ( TComDataCU* pcCU, UInt uiDepth );
#if SCM__R0348_PALETTE_MODE
  Void xReconPLTMode          ( TComDataCU* pcCU, UInt uiDepth );
  Void xReconPLTModeLuma      ( TComDataCU* pcCU, UInt uiDepth );
  Void xReconPLTModeChroma    ( TComDataCU* pcCU, UInt uiDepth );
  Void xDecodePLTTexture      ( TComDataCU* pcCU, const UInt uiPartIdx, Pel* pPalette,  Pel* pLevel, UChar *pSPoint, Pel *pPixelValue, Pel* piReco,const UInt uiStride, const UInt uiWidth, const UInt uiHeight, const ComponentID compID);
  Void xDecodePLTTextureLumaChroma( TComDataCU* pcCU, const UInt uiPartIdx, Pel* pPalette,  Pel* pLevel, UChar *pSPoint, Pel *pPixelValue, Pel* piReco,const UInt uiStride, const UInt uiWidth, const UInt uiHeight, const ComponentID compID);
#endif
  Void xReconIntraQT            ( TComDataCU* pcCU, UInt uiDepth );
  Void xIntraRecBlk             ( TComYuv* pcRecoYuv, TComYuv* pcPredYuv, TComYuv* pcResiYuv, const ComponentID component, TComTU &rTu );
  Void xIntraRecQT              ( TComYuv* pcRecoYuv, TComYuv* pcPredYuv, TComYuv* pcResiYuv, const ChannelType chType, TComTU &rTu );
#if SCM__R0147_ADAPTIVE_COLOR_TRANSFORM
  Void xIntraRecBlk             ( TComYuv* pcRecoYuv, TComYuv* pcPredYuv, TComYuv* pcResiYuv, TComTU &rTu );
  Void xIntraRecQT              ( TComYuv* pcRecoYuv, TComYuv* pcPredYuv, TComYuv* pcResiYuv, TComTU &rTu );
#endif

  Void xReconPCM                ( TComDataCU* pcCU, UInt uiDepth );

  Void xDecodeInterTexture      ( TComDataCU* pcCU, UInt uiDepth );
  Void xDecodePCMTexture        ( TComDataCU* pcCU, const UInt uiPartIdx, const Pel *piPCM, Pel* piReco, const UInt uiStride, const UInt uiWidth, const UInt uiHeight, const ComponentID compID);
#if ITRI_MULTI_SAMPLE_MODE
  Void xReconIntratwoSample(TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth);
#if ITRI_CAND_ESTABLISHMENT==1 || ITRI_CAND_ESTABLISHMENT==4
  Void  deriveNeighborPLT(TComDataCU* pcCU, Pel* PaletteY, Pel* PaletteU, Pel* PaletteV, Pel* pSrc[3], UInt uiWidth, UInt uiHeight, UInt uiStride, UInt &uiPLTSize, Int neighborIdxCnt);
#endif
#endif
  Void xCopyToPic               ( TComDataCU* pcCU, TComPic* pcPic, UInt uiZorderIdx, UInt uiDepth );

  Bool getdQPFlag               ()                        { return m_bDecodeDQP;        }
  Void setdQPFlag               ( Bool b )                { m_bDecodeDQP = b;           }
  Bool getIsChromaQpAdjCoded    ()                        { return m_IsChromaQpAdjCoded;        }
  Void setIsChromaQpAdjCoded    ( Bool b )                { m_IsChromaQpAdjCoded = b;           }

  Void xFillPCMBuffer           (TComDataCU* pCU, UInt depth);
};

//! \}

#endif

