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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 "TDecEntropy.h"

//! \ingroup TLibDecoder
//! \{
#if SVC_EXTENSION
class TDecTop;
#endif

// ====================================================================================================================
// 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;

#if SVC_EXTENSION
  TDecTop**           m_ppcTDecTop;
  UInt                m_layerId;   
#endif
  
public:
  TDecCu();
  virtual ~TDecCu();

  /// initialize access channels
#if SVC_EXTENSION
  Void  init                    ( TDecTop** ppcDecTop, TDecEntropy* pcEntropyDecoder, TComTrQuant* pcTrQuant, TComPrediction* pcPrediction, UInt layerId );
#else
  Void  init                    ( TDecEntropy* pcEntropyDecoder, TComTrQuant* pcTrQuant, TComPrediction* pcPrediction );
#endif 
  
  /// create internal buffers
  Void  create                  ( UInt uiMaxDepth, UInt uiMaxWidth, UInt uiMaxHeight, ChromaFormat chromaFormatIDC );

  /// destroy internal buffers
  Void  destroy                 ();

  /// decode Ctu information
  Void  decodeCtu               ( TComDataCU* pCtu, Bool &isLastCtuOfSliceSegment );

  /// reconstruct Ctu information
  Void  decompressCtu           ( TComDataCU* pCtu );
 
#if SVC_EXTENSION
  TDecTop*   getLayerDec        ( UInt layerId )  { return m_ppcTDecTop[layerId]; }
#endif
protected:

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

  Void xReconInter              ( TComDataCU* pcCU, UInt uiDepth );

  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 );

  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);

  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