/* The copyright in this software is being made available under the BSD
 * License, included below. This software may be subject to other third party
 * and contributor rights, including patent rights, and no such rights are
 * granted under this license.
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 * Copyright (c) 2010-2016, ITU/ISO/IEC
 * All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  * Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
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 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
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 *    be used to endorse or promote products derived from this software without
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/** \file     TDecCAVLC.h
    \brief    CAVLC decoder class (header)
*/

#ifndef __TDECCAVLC__
#define __TDECCAVLC__

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

#include "TDecEntropy.h"
#include "SyntaxElementParser.h"

#if CGS_3D_ASYMLUT
class TCom3DAsymLUT;
#endif
//! \ingroup TLibDecoder
//! \{

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

/// CAVLC decoder class
class TDecCavlc : public SyntaxElementParser, public TDecEntropyIf
{
public:
  TDecCavlc();
  virtual ~TDecCavlc();

protected:

  Void  parseShortTermRefPicSet            (TComSPS* pcSPS, TComReferencePictureSet* pcRPS, Int idx);

public:

  /// rest entropy coder by intial QP and IDC in CABAC
  Void  resetEntropy        ( TComSlice* /*pcSlice*/  )     { assert(0); };
  Void  setBitstream        ( TComInputBitstream* p )   { m_pcBitstream = p; }
  Void  parseTransformSubdivFlag( UInt& ruiSubdivFlag, UInt uiLog2TransformBlockSize );
  Void  parseQtCbf          ( class TComTU &rTu, const ComponentID compID, const Bool lowestLevel );
  Void  parseQtRootCbf      ( UInt uiAbsPartIdx, UInt& uiQtRootCbf );
  Void  parseVPS            ( TComVPS* pcVPS );
  Void  parseSPS            ( TComSPS* pcSPS );
#if !SVC_EXTENSION
  Void  parsePPS            ( TComPPS* pcPPS );
#endif
  Void  parseVUI            ( TComVUI* pcVUI, TComSPS* pcSPS );
  Void  parseSEI            ( SEIMessages& );
  Void  parsePTL            ( TComPTL *rpcPTL, Bool profilePresentFlag, Int maxNumSubLayersMinus1 );
  Void  parseProfileTier    (ProfileTierLevel *ptl, const Bool bIsSubLayer);
  Void  parseHrdParameters  (TComHRD *hrd, Bool cprms_present_flag, UInt tempLevelHigh);
  Void  parseSliceHeader    ( TComSlice* pcSlice, ParameterSetManager *parameterSetManager, const Int prevTid0POC);
  Void  parseTerminatingBit ( UInt& ruiBit );
  Void  parseRemainingBytes ( Bool noTrailingBytesExpected );

  Void parseMVPIdx          ( Int& riMVPIdx );

  Void parseSkipFlag        ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
  Void parseCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
  Void parseMergeFlag       ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx );
  Void parseMergeIndex      ( TComDataCU* pcCU, UInt& ruiMergeIndex );
  Void parseSplitFlag       ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
  Void parsePartSize        ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
  Void parsePredMode        ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );

  Void parseIntraDirLumaAng ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
  Void parseIntraDirChroma  ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );

  Void parseInterDir        ( TComDataCU* pcCU, UInt& ruiInterDir, UInt uiAbsPartIdx );
  Void parseRefFrmIdx       ( TComDataCU* pcCU, Int& riRefFrmIdx, RefPicList eRefList );
  Void parseMvd             ( TComDataCU* pcCU, UInt uiAbsPartAddr,UInt uiPartIdx,    UInt uiDepth, RefPicList eRefList );

  Void parseCrossComponentPrediction( class TComTU &rTu, ComponentID compID );

  Void parseDeltaQP         ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
  Void parseChromaQpAdjustment( TComDataCU* cu, UInt absPartIdx, UInt depth);

  Void parseCoeffNxN        ( class TComTU &rTu, ComponentID compID );

  Void parseTransformSkipFlags ( class TComTU &rTu, ComponentID component );

  Void parseIPCMInfo        ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth);

  Void xParsePredWeightTable ( TComSlice* pcSlice, const TComSPS *sps );
  Void  parseScalingList     ( TComScalingList* scalingList );
  Void xDecodeScalingList    ( TComScalingList *scalingList, UInt sizeId, UInt listId);

  Void  parseExplicitRdpcmMode( TComTU &rTu, ComponentID compID );

protected:
  Bool  xMoreRbspData();

#if SVC_EXTENSION
public:
  Void  parseVPSExtension   ( TComVPS* pcVPS );
  Void  defaultVPSExtension ( TComVPS* pcVPS );
  Void  parseVPSVUI         ( TComVPS* pcVPS );
  Void  defaultVPSVUI       ( TComVPS* pcVPS );
  Void  parseRepFormat      ( RepFormat *repFormat, RepFormat *repFormatPrev );
  Void  parseVpsDpbSizeTable( TComVPS *vps );
  Void  parseVpsVuiBspHrdParams( TComVPS *vps );
  Void  parseSPSExtension    ( TComSPS* pcSPS );
#if CGS_3D_ASYMLUT
  Void  parsePPS            ( TComPPS* pcPPS, TCom3DAsymLUT * pc3DAsymLUT , Int nLayerID );
#else
  Void  parsePPS            ( TComPPS* pcPPS );
#endif

protected:
#if CGS_3D_ASYMLUT
  Void xParse3DAsymLUT( TCom3DAsymLUT * pc3DAsymLUT );
  Void xParse3DAsymLUTOctant( TCom3DAsymLUT * pc3DAsymLUT , Int nDepth , Int yIdx , Int uIdx , Int vIdx , Int nLength );
  Void xReadParam( Int& param, Int flc_bits );
#endif
#endif //SVC_EXTENSION

};

//! \}

#endif // !defined(AFX_TDECCAVLC_H__9732DD64_59B0_4A41_B29E_1A5B18821EAD__INCLUDED_)
