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 * granted under this license.  
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 * Copyright (c) 2010-2012, ITU/ISO/IEC
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/** \file     TEncCavlc.h
    \brief    CAVLC encoder class (header)
*/

#ifndef __TENCCAVLC__
#define __TENCCAVLC__

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

#include "TLibCommon/CommonDef.h"
#include "TLibCommon/TComBitStream.h"
#include "TEncEntropy.h"
#include "TLibCommon/TComRom.h"

//! \ingroup TLibEncoder
//! \{

class TEncTop;

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

/// CAVLC encoder class
class TEncCavlc : public TEncEntropyIf
{
public:
  TEncCavlc();
  virtual ~TEncCavlc();
  
protected:
  TComBitIf*    m_pcBitIf;
  TComSlice*    m_pcSlice;
  UInt          m_uiCoeffCost;
#if !AHG6_ALF_OPTION2
  Bool          m_bAlfCtrl;
  UInt          m_uiMaxAlfCtrlDepth;
#endif
  Int           m_iSliceGranularity;  //!< slice granularity
  
  Void  xWriteCode            ( UInt uiCode, UInt uiLength );
  Void  xWriteUvlc            ( UInt uiCode );
  Void  xWriteSvlc            ( Int  iCode   );
  Void  xWriteFlag            ( UInt uiCode );
#if ENC_DEC_TRACE
  Void  xWriteCodeTr          ( UInt value, UInt  length, const Char *pSymbolName);
  Void  xWriteUvlcTr          ( UInt value,               const Char *pSymbolName);
  Void  xWriteSvlcTr          ( Int  value,               const Char *pSymbolName);
  Void  xWriteFlagTr          ( UInt value,               const Char *pSymbolName);
#endif
  
  Void  xWritePCMAlignZero    ();
  Void  xWriteEpExGolomb      ( UInt uiSymbol, UInt uiCount );
  Void  xWriteExGolombLevel    ( UInt uiSymbol );
  Void  xWriteUnaryMaxSymbol  ( UInt uiSymbol, UInt uiMaxSymbol );

  Void codeShortTermRefPicSet              ( TComSPS* pcSPS, TComReferencePictureSet* pcRPS );
  
  UInt  xConvertToUInt        ( Int iValue ) {  return ( iValue <= 0) ? -iValue<<1 : (iValue<<1)-1; }
  
public:
  
  Void  resetEntropy          ();
  Void  determineCabacInitIdx  () {};

  Void  setBitstream          ( TComBitIf* p )  { m_pcBitIf = p;  }
  Void  setSlice              ( TComSlice* p )  { m_pcSlice = p;  }
#if !AHG6_ALF_OPTION2
  Bool getAlfCtrl() {return m_bAlfCtrl;}
  UInt getMaxAlfCtrlDepth() {return m_uiMaxAlfCtrlDepth;}
  Void setAlfCtrl(Bool bAlfCtrl) {m_bAlfCtrl = bAlfCtrl;}
  Void setMaxAlfCtrlDepth(UInt uiMaxAlfCtrlDepth) {m_uiMaxAlfCtrlDepth = uiMaxAlfCtrlDepth;}
#endif
  Void  resetBits             ()                { m_pcBitIf->resetBits(); }
  Void  resetCoeffCost        ()                { m_uiCoeffCost = 0;  }
  UInt  getNumberOfWrittenBits()                { return  m_pcBitIf->getNumberOfWrittenBits();  }
  UInt  getCoeffCost          ()                { return  m_uiCoeffCost;  }
  
  Void  codeSPS                 ( TComSPS* pcSPS );
  Void  codePPS                 ( TComPPS* pcPPS );
  void codeSEI(const SEI&);
  Void  codeSliceHeader         ( TComSlice* pcSlice );

  Void codeTileMarkerFlag(TComSlice* pcSlice);

  Void  codeTilesWPPEntryPoint( TComSlice* pSlice );
  Void  codeTerminatingBit      ( UInt uilsLast );
  Void  codeSliceFinish         ();
  Void  codeFlush               () {}
  Void  encodeStart             () {}
  
  Void codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList );
#if AHG6_ALF_OPTION2
  Void xGolombEncode(Int coeff, Int k); 
  Void codeAlfParam(ALFParam* alfParam);
#else
  Void codeAlfFlag       ( UInt uiCode );
  Void codeAlfUvlc       ( UInt uiCode );
  Void codeAlfSvlc       ( Int   iCode );
  Void codeAlfCtrlDepth();
  Void codeAPSAlflag(UInt uiCode);
  Void codeAlfFixedLengthIdx( UInt idx, UInt numFilterSetsInBuffer);
#endif
  Void codeSaoFlag       ( UInt uiCode );
  Void codeSaoUvlc       ( UInt uiCode );
#if SAO_OFFSET_MAG_SIGN_SPLIT
  Void codeSAOSign       ( UInt code   ) { printf("Not supported\n"); assert (0); }
#endif
#if SAO_TRUNCATED_U
  Void codeSaoMaxUvlc    ( UInt   code, UInt maxSymbol ){printf("Not supported\n"); assert (0);}
#endif
#if !(SAO_OFFSET_MAG_SIGN_SPLIT && SAO_RDO_FIX)
  Void codeSaoSvlc       ( Int   iCode );
#endif
  Void codeSaoRun        ( UInt uiCode, UInt maxValue  );
  Void codeSaoMergeLeft  ( UInt uiCode, UInt compIdx ){;}
  Void codeSaoMergeUp    ( UInt uiCode ){;}
  Void codeSaoTypeIdx    ( UInt uiCode ){ xWriteUvlc(uiCode   );}
  Void codeSaoUflc       ( UInt uiCode ){ assert(uiCode < 32); xWriteCode(uiCode, 5);}

  Void codeSkipFlag      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
  Void codeMergeFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx );
  Void codeMergeIndex    ( TComDataCU* pcCU, UInt uiAbsPartIdx );
#if !AHG6_ALF_OPTION2
  Void codeAlfCtrlFlag   ( TComDataCU* pcCU, UInt uiAbsPartIdx );
#endif
  Void codeApsExtensionFlag ();

  /// set slice granularity
  Void setSliceGranularity(Int iSliceGranularity)  {m_iSliceGranularity = iSliceGranularity;}

  ///get slice granularity
  Int  getSliceGranularity()                       {return m_iSliceGranularity;             }

#if AHG6_ALF_OPTION2
  Void codeAlfCtrlFlag   ( Int compIdx, UInt code ) {printf("Not supported\n"); assert(0);}
#else
  Void codeAlfCtrlFlag   ( UInt uiSymbol );
#endif
  Void codeInterModeFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiEncMode );
  Void codeSplitFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
  
  Void codePartSize      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
  Void codePredMode      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
  
  Void codeIPCMInfo      ( TComDataCU* pcCU, UInt uiAbsPartIdx, Int numIPCM, Bool firstIPCMFlag);

  Void codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx );
  Void codeQtCbf         ( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth );
  Void codeQtRootCbf     ( TComDataCU* pcCU, UInt uiAbsPartIdx );
#if INTRAMODE_BYPASSGROUP
  Void codeIntraDirLumaAng( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiple);
#else
  Void codeIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx );
#endif 
  Void codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx );
  Void codeInterDir      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
  Void codeRefFrmIdx     ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList );
  Void codeMvd           ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList );
  
  Void codeDeltaQP       ( TComDataCU* pcCU, UInt uiAbsPartIdx );
  
  Void codeCoeffNxN      ( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType );
#if INTRA_TRANSFORMSKIP
  Void codeTransformSkipFlags ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt width, UInt height, UInt uiDepth, TextType eTType );
#endif

  Void estBit               (estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType);
  
  Void xCodePredWeightTable          ( TComSlice* pcSlice );
  Void updateContextTables           ( SliceType eSliceType, Int iQp, Bool bExecuteFinish=true ) { return;   }
  Void updateContextTables           ( SliceType eSliceType, Int iQp  )                          { return;   }
  Void writeTileMarker               ( UInt uiTileIdx, UInt uiBitsUsed );

  Void  codeAPSInitInfo(TComAPS* pcAPS);  //!< code APS flags before encoding SAO and ALF parameters
  Void  codeFinish(Bool bEnd) { /*do nothing*/}
  Void codeScalingList  ( TComScalingList* scalingList );
  Void xCodeScalingList ( TComScalingList* scalingList, UInt sizeId, UInt listId);
  Void codeDFFlag       ( UInt uiCode, const Char *pSymbolName );
  Void codeDFSvlc       ( Int   iCode, const Char *pSymbolName );

};

//! \}

#endif // !defined(AFX_TENCCAVLC_H__EE8A0B30_945B_4169_B290_24D3AD52296F__INCLUDED_)

