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45 ------------------------------------------------------------------------------------------- */
46 
47  /** \file     Reshape.h
48      \brief    reshaping header and class (header)
49  */
50 
51 #pragma once
52 
53 #include "CommonDef.h"
54 #include "Rom.h"
55 #include "CommonLib/Picture.h"
56 
57 namespace vvdec
58 {
59 
60 // ====================================================================================================================
61 // Class definition
62 // ====================================================================================================================
63 
64 class Reshape
65 {
66 protected:
67   SliceReshapeInfo        m_sliceReshapeInfo;
68   Pel*                    m_invLUT;
69   Pel*                    m_fwdLUT;
70   std::vector<int>        m_chromaAdjHelpLUT;
71   std::vector<uint16_t>   m_binCW;
72   uint16_t                m_initCW;
73   std::vector<Pel>        m_reshapePivot;
74   std::vector<Pel>        m_inputPivot;
75   std::vector<int32_t>    m_fwdScaleCoef;
76   std::vector<int32_t>    m_invScaleCoef;
77   int                     m_lumaBD;
78   int                     m_reshapeLUTSize;
79   int                     m_chromaScale;
80   int                     m_vpduX;
81   int                     m_vpduY;
82 public:
83   Reshape();
84   ~Reshape();
85 
86   void createDec(int bitDepth);
87   void destroy();
88 
89   void initSlice( int nalUnitLayerId, const PicHeader& picHeader, const VPS& vps );
90   void rspLine( CodingStructure &cs, int ln, const int offset ) const;
91   void rspCtu ( CodingStructure &cs, int col, int ln, const int offset ) const;
92 
getFwdLUT()93   const Pel* getFwdLUT() const { return m_fwdLUT; }
getInvLUT()94   const Pel* getInvLUT() const { return m_invLUT; }
95 
96   bool getCTUFlag( const Slice& slice ) const;
97 
98   int  calculateChromaAdj(Pel avgLuma) const;
99   int  getPWLIdxInv(int lumaVal) const;
getSliceReshaperInfo()100   SliceReshapeInfo& getSliceReshaperInfo() { return m_sliceReshapeInfo; }
101   void copySliceReshaperInfo(SliceReshapeInfo& tInfo, SliceReshapeInfo& sInfo);
102 
103   void constructReshaper();
104   int  calculateChromaAdjVpduNei(TransformUnit &tu, const Position pos);
setVPDULoc(int x,int y)105   void setVPDULoc(int x, int y) { m_vpduX = x, m_vpduY = y; }
isVPDUprocessed(int x,int y)106   bool isVPDUprocessed(int x, int y) { return ((x == m_vpduX) && (y == m_vpduY)); }
setChromaScale(int chromaScale)107   void setChromaScale (int chromaScale) { m_chromaScale = chromaScale; }
getChromaScale()108   int  getChromaScale() { return m_chromaScale; }
109 };// END CLASS DEFINITION Reshape
110 
111 }
112