uvlcreader.h

JMVM MPEG MVC/3DAV 测试平台 国际通用标准

#if JMVM_ONLY  // JVT-U052
  ErrVal  Icpd( MbDataAccess& rcMbDataAccess );
#endif

  ErrVal  cbp( MbDataAccess& rcMbDataAccess );
  ErrVal  refFrame( MbDataAccess& rcMbDataAccess, ListIdx eLstIdx );
  ErrVal  refFrame( MbDataAccess& rcMbDataAccess, ListIdx eLstIdx, ParIdx16x8 eParIdx  );
  ErrVal  refFrame( MbDataAccess& rcMbDataAccess, ListIdx eLstIdx, ParIdx8x16 eParIdx  );
  ErrVal  refFrame( MbDataAccess& rcMbDataAccess, ListIdx eLstIdx, ParIdx8x8  eParIdx  );

  ErrVal  motionPredFlag( MbDataAccess& rcMbDataAccess, ListIdx eLstIdx );
  ErrVal  motionPredFlag( MbDataAccess& rcMbDataAccess, ListIdx eLstIdx, ParIdx16x8 eParIdx  );
  ErrVal  motionPredFlag( MbDataAccess& rcMbDataAccess, ListIdx eLstIdx, ParIdx8x16 eParIdx  );
  ErrVal  motionPredFlag( MbDataAccess& rcMbDataAccess, ListIdx eLstIdx, ParIdx8x8  eParIdx  );

  ErrVal  residualBlock( MbDataAccess& rcMbDataAccess, LumaIdx   cIdx, ResidualMode eResidualMode, UInt& ruiMbExtCbp);
  ErrVal  residualBlock( MbDataAccess& rcMbDataAccess, ChromaIdx cIdx, ResidualMode eResidualMode );

  ErrVal  deltaQp             ( MbDataAccess& rcMbDataAccess );
  ErrVal  intraPredModeLuma   ( MbDataAccess& rcMbDataAccess, LumaIdx cIdx );
  ErrVal  intraPredModeChroma ( MbDataAccess& rcMbDataAccess );
  ErrVal  samplesPCM          ( MbDataAccess& rcMbDataAccess );

  ErrVal  startSlice          ( const SliceHeader& rcSliceHeader );
  ErrVal  finishSlice         ( );
  
  ErrVal  transformSize8x8Flag( MbDataAccess& rcMbDataAccess);
  ErrVal  residualBlock8x8    ( MbDataAccess& rcMbDataAccess, B8x8Idx cIdx );
  ErrVal  intraPredModeLuma8x8( MbDataAccess& rcMbDataAccess, B8x8Idx cIdx ); // HS: bug fix by Nokia
  ErrVal  RQdecodeCycleSymbol ( UInt& uiCycle );
  ErrVal  RQdecodeDeltaQp     ( MbDataAccess&   rcMbDataAccess );
  ErrVal  RQdecode8x8Flag     ( MbDataAccess&   rcMbDataAccess,
                                MbDataAccess&   rcMbDataAccessBase );
  Bool    RQdecodeBCBP_4x4     ( MbDataAccess&   rcMbDataAccessBase,
                                 LumaIdx         cIdx );
  Bool    RQdecodeBCBP_ChromaDC( MbDataAccess&   rcMbDataAccessBase,
                                 ChromaIdx       cIdx );
  Bool    RQdecodeBCBP_ChromaAC( MbDataAccess&   rcMbDataAccessBase,
                                 ChromaIdx       cIdx );
  Bool    RQdecodeCBP_Chroma   ( MbDataAccess&   rcMbDataAccess,
                                 MbDataAccess&   rcMbDataAccessBase );
  Bool    RQdecodeCBP_ChromaAC ( MbDataAccess&   rcMbDataAccess,
                                 MbDataAccess&   rcMbDataAccessBase );
  Bool    RQdecodeCBP_8x8      ( MbDataAccess&   rcMbDataAccess,
                                 MbDataAccess&   rcMbDataAccessBase,
                                 B8x8Idx         c8x8Idx );
  ErrVal  RQdecodeTermBit     ( UInt&           ruiBit ) { ruiBit = 1; return Err::m_nOK; };
  ErrVal  RQdecodeNewTCoeff_8x8    ( MbDataAccess&   rcMbDataAccess,
                                     MbDataAccess&   rcMbDataAccessBase,
                                     B8x8Idx         c8x8Idx,
                                     UInt            uiScanIndex,
                                     Bool&           rbLast,
                                     UInt&           ruiNumCoefRead );
  ErrVal  RQeo8b                   ( Bool&           bEob );
  ErrVal  RQdecodeTCoeffRef_8x8    ( MbDataAccess&   rcMbDataAccess,
                                     MbDataAccess&   rcMbDataAccessBase,
                                     B8x8Idx         c8x8Idx,
                                     UInt            uiScanIndex );
  ErrVal  RQdecodeNewTCoeff_Luma   ( MbDataAccess&   rcMbDataAccess,
                                     MbDataAccess&   rcMbDataAccessBase,
                                     ResidualMode    eResidualMode,
                                     LumaIdx         cIdx,
                                     UInt            uiScanIndex,
                                     Bool&           rbLast,
                                     UInt&           ruiNumCoefRead );
  ErrVal  RQdecodeTCoeffRef_Luma   ( MbDataAccess&   rcMbDataAccess,
                                     MbDataAccess&   rcMbDataAccessBase,
                                     LumaIdx         cIdx,
                                     UInt            uiScanIndex );
  ErrVal  RQdecodeNewTCoeff_Chroma ( MbDataAccess&   rcMbDataAccess,
                                     MbDataAccess&   rcMbDataAccessBase,
                                     ResidualMode    eResidualMode,
                                     ChromaIdx       cIdx,
                                     UInt            uiScanIndex,
                                     Bool&           rbLast,
                                     UInt&           ruiNumCoefRead );
  ErrVal  RQdecodeTCoeffRef_Chroma ( MbDataAccess&   rcMbDataAccess,
                                     MbDataAccess&   rcMbDataAccessBase,
                                     ResidualMode    eResidualMode,
                                     ChromaIdx       cIdx,
                                     UInt            uiScanIndex );
  ErrVal  RQdecodeEobOffsets_Luma  ();
  ErrVal  RQdecodeEobOffsets_Chroma();
  ErrVal  RQdecodeBestCodeTableMap ( UInt            uiMaxH );
  ErrVal  RQupdateVlcTable         ();
  ErrVal  RQvlcFlush               ();
  Bool    RQpeekCbp4x4( MbDataAccess&  rcMbDataAccessBase, LumaIdx cIdx);
  Bool m_bTruncated;

private:
  ErrVal xGetFlag     ( UInt& ruiCode );
  ErrVal xGetCode     ( UInt& ruiCode, UInt uiLength );
  ErrVal xGetUvlcCode ( UInt& ruiVal  );
  ErrVal xGetSvlcCode ( Int&  riVal   );
  ErrVal xGetRefFrame ( Bool bWriteBit, UInt& uiRefFrame );
  ErrVal xGetMotionPredFlag( Bool& rbFlag );
  ErrVal xGetMvd      ( Mv& cMv );

#if JMVM_ONLY  // JVT-U052
  ErrVal xGetIcpd( Icp& cIcp );
#endif

  ErrVal xPredictNonZeroCnt( MbDataAccess& rcMbDataAccess, LumaIdx cIdx, UInt& uiCoeffCount, UInt& uiTrailingOnes );
  ErrVal xPredictNonZeroCnt( MbDataAccess& rcMbDataAccess, ChromaIdx cIdx, UInt& uiCoeffCount, UInt& uiTrailingOnes );
  ErrVal xGetTrailingOnes16( UInt uiLastCoeffCount, UInt& uiCoeffCount, UInt& uiTrailingOnes );
  ErrVal xCodeFromBitstream2D( const UChar* aucCode, const UChar* aucLen, UInt uiWidth, UInt uiHeight, UInt& uiVal1, UInt& uiVal2 );
  ErrVal xCodeFromBitstream2Di( const UInt* auiCode, const UInt* auiLen, UInt uiWidth, UInt uiHeight, UInt& uiVal1, UInt& uiVal2 );
  ErrVal xGetRunLevel( Int* aiLevelRun, UInt uiCoeffCnt, UInt uiTrailingOnes, UInt uiMaxCoeffs, UInt& uiTotalRun );
  ErrVal xGetLevelVLC0( Int& iLevel );
  ErrVal xGetLevelVLCN( Int& iLevel, UInt uiVlcLength );
  ErrVal xGetRun( UInt uiVlcPos, UInt& uiRun  );
  ErrVal xGetTotalRun16( UInt uiVlcPos, UInt& uiTotalRun );
  ErrVal xGetTotalRun4( UInt& uiVlcPos, UInt& uiTotalRun );
  ErrVal xGetTrailingOnes4( UInt& uiCoeffCount, UInt& uiTrailingOnes );
  ErrVal xRQdecodeEobOffsets       ( UInt* pauiShift, UInt            uiLen );
  ErrVal xGetGolomb(UInt& uiSymbol, UInt uiK);
  ErrVal xGetSigRunCode( UInt& uiSymbol, UInt uiTableIdx );
  ErrVal xGetUnaryCode( UInt& uiSymbol );
  ErrVal xGetCodeCB1( UInt& uiSymbol );
  ErrVal xGetCodeCB2( UInt& uiSymbol );
  ErrVal xGetSigRunTabCode(UInt& uiTab);
  ErrVal  xDecodeMonSeq           ( UInt*           auiSeq,
                                    UInt uiStart,
                                     UInt            uiLen );
  ErrVal xRQdecodeSigMagGreater1( TCoeff* piCoeff,
                                     TCoeff* piCoeffBase,
                                     const UChar* pucScan,
                                     UInt    uiTermSym,
                                     UInt    uiStart,
                                     UInt    uiStop,
                                     UInt    uiStride = 1 );

protected:
  BitReadBuffer*  m_pcBitReadBuffer;
  UInt            m_uiBitCounter;
  UInt            m_uiPosCounter;
  Bool            m_bRunLengthCoding;
  UInt            m_uiRun;
  UInt m_auiShiftLuma[16];
  UInt m_auiShiftChroma[16];
  UInt m_auiBestCodeTab[16];
  UInt m_uiCbpStats[3][2];
  UInt m_uiCbp8x8;
  UInt m_uiCbpStat4x4[2];
  UInt m_uiCurrCbp4x4;
  UcSymGrpReader* m_pSymGrp; 
  UInt m_auiSymbolBuf[CAVLC_SYMGRP_SIZE];
  UInt m_uiRefSymCounter; 
};


class UcSymGrpReader
{
public:
  UcSymGrpReader( UvlcReader* pParent );
  ErrVal Init();
  ErrVal Flush();
  ErrVal xFetchSymbol( UInt uiMaxSym );
  Bool   UpdateVlc();
  UInt   GetCode()    { return m_uiCode;   }
  Void   setCodedFlag(UInt uiFlag)    { m_uiCodedFlag = uiFlag; }

protected:
  UvlcReader* m_pParent;
  UInt m_auiSymCount[3];
  UInt m_uiTable;
  UInt m_uiCodedFlag;
  UInt m_uiCode;
  UInt m_uiLen;
};

H264AVC_NAMESPACE_END

#endif // !defined(AFX_UVLCREADER_H__EA98D347_89D5_4D2D_B6D5_FB3A374CD295__INCLUDED_)