TComDataCU类

// CU data structure class
class TComDataCU
{
private:

  // -------------------------------------------------------------------------------------------------------------------
  // class pointers
  // -------------------------------------------------------------------------------------------------------------------

  TComPic*      m_pcPic;                                ///< picture class pointer
  TComSlice*    m_pcSlice;                              ///< slice header pointer

  // -------------------------------------------------------------------------------------------------------------------
  // CU description
  // -------------------------------------------------------------------------------------------------------------------

  UInt          m_ctuRsAddr;                            ///< CTU (also known as LCU) address in a slice (Raster-scan address, as opposed to tile-scan/encoding order).
  UInt          m_absZIdxInCtu;                         ///< absolute address in a CTU. It‘s Z scan order
  UInt          m_uiCUPelX;                             ///< CU position in a pixel (X)
  UInt          m_uiCUPelY;                             ///< CU position in a pixel (Y)
  UInt          m_uiNumPartition;                       ///< total number of minimum partitions in a CU
  UChar*        m_puhWidth;                             ///< array of widths
  UChar*        m_puhHeight;                            ///< array of heights
  UChar*        m_puhDepth;                             ///< array of depths
  Int           m_unitSize;                             ///< size of a "minimum partition"

  // -------------------------------------------------------------------------------------------------------------------
  // CU data
  // -------------------------------------------------------------------------------------------------------------------

  Bool*         m_skipFlag;                             ///< array of skip flags
  SChar*        m_pePartSize;                           ///< array of partition sizes
  SChar*        m_pePredMode;                           ///< array of prediction modes
  SChar*        m_crossComponentPredictionAlpha[MAX_NUM_COMPONENT]; ///< array of cross-component prediction alpha values
  Bool*         m_CUTransquantBypass;                   ///< array of cu_transquant_bypass flags
  SChar*        m_phQP;                                 ///< array of QP values
  UChar*        m_ChromaQpAdj;                          ///< array of chroma QP adjustments (indexed). when value = 0, cu_chroma_qp_offset_flag=0; when value>0, indicates cu_chroma_qp_offset_flag=1 and cu_chroma_qp_offset_idx=value-1
  UInt          m_codedChromaQpAdj;
  UChar*        m_puhTrIdx;                             ///< array of transform indices
  UChar*        m_puhTransformSkip[MAX_NUM_COMPONENT];  ///< array of transform skipping flags
  UChar*        m_puhCbf[MAX_NUM_COMPONENT];            ///< array of coded block flags (CBF)
  TComCUMvField m_acCUMvField[NUM_REF_PIC_LIST_01];     ///< array of motion vectors.
  TCoeff*       m_pcTrCoeff[MAX_NUM_COMPONENT];         ///< array of transform coefficient buffers (0->Y, 1->Cb, 2->Cr)
#if ADAPTIVE_QP_SELECTION
  TCoeff*       m_pcArlCoeff[MAX_NUM_COMPONENT];        ///< ARL coefficient buffer (0->Y, 1->Cb, 2->Cr)
  Bool          m_ArlCoeffIsAliasedAllocation;          ///< ARL coefficient buffer is an alias of the global buffer and must not be free()‘d
#endif

  Pel*          m_pcIPCMSample[MAX_NUM_COMPONENT];      ///< PCM sample buffer (0->Y, 1->Cb, 2->Cr)

  // -------------------------------------------------------------------------------------------------------------------
  // neighbour access variables
  // -------------------------------------------------------------------------------------------------------------------

  TComDataCU*   m_pCtuAboveLeft;                        ///< pointer of above-left CTU.
  TComDataCU*   m_pCtuAboveRight;                       ///< pointer of above-right CTU.
  TComDataCU*   m_pCtuAbove;                            ///< pointer of above CTU.
  TComDataCU*   m_pCtuLeft;                             ///< pointer of left CTU
  TComDataCU*   m_apcCUColocated[NUM_REF_PIC_LIST_01];  ///< pointer of temporally colocated CU‘s for both directions
  TComMvField   m_cMvFieldA;                            ///< motion vector of position A
  TComMvField   m_cMvFieldB;                            ///< motion vector of position B
  TComMvField   m_cMvFieldC;                            ///< motion vector of position C
  TComMv        m_cMvPred;                              ///< motion vector predictor