source: 3DVCSoftware/branches/HTM-14.0-MV-draft-3/source/Lib/TLibDecoder/TDecTop.h @ 1191

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/** \file     TDecTop.h
    \brief    decoder class (header)
*/

#ifndef __TDECTOP__
#define __TDECTOP__

#include "TLibCommon/CommonDef.h"
#include "TLibCommon/TComList.h"
#include "TLibCommon/TComPicYuv.h"
#include "TLibCommon/TComPic.h"
#include "TLibCommon/TComTrQuant.h"
#include "TLibCommon/SEI.h"

#include "TDecGop.h"
#include "TDecEntropy.h"
#include "TDecSbac.h"
#include "TDecCAVLC.h"
#include "SEIread.h"

struct InputNALUnit;

//! \ingroup TLibDecoder
//! \{

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

#if H_MV
class TAppDecTop;
#endif
/// decoder class
class TDecTop
{
private:
  Int                     m_iMaxRefPicNum;
  
  NalUnitType             m_associatedIRAPType; ///< NAL unit type of the associated IRAP picture
  Int                     m_pocCRA;            ///< POC number of the latest CRA picture
  Int                     m_pocRandomAccess;   ///< POC number of the random access point (the first IDR or CRA picture)

  TComList<TComPic*>      m_cListPic;         //  Dynamic buffer
#if H_MV
  Bool*                    m_layerInitilizedFlag; // initialization Layers
  static ParameterSetManagerDecoder m_parameterSetManagerDecoder;  // storage for parameter sets 
  Int                      m_targetOptLayerSetIdx; 
#else
  ParameterSetManagerDecoder m_parameterSetManagerDecoder;  // storage for parameter sets 
#endif
  TComSlice*              m_apcSlicePilot;
  
  SEIMessages             m_SEIs; ///< List of SEI messages that have been received before the first slice and between slices

  // functional classes
  TComPrediction          m_cPrediction;
  TComTrQuant             m_cTrQuant;
  TDecGop                 m_cGopDecoder;
  TDecSlice               m_cSliceDecoder;
  TDecCu                  m_cCuDecoder;
  TDecEntropy             m_cEntropyDecoder;
  TDecCavlc               m_cCavlcDecoder;
  TDecSbac                m_cSbacDecoder;
  TDecBinCABAC            m_cBinCABAC;
  SEIReader               m_seiReader;
  TComLoopFilter          m_cLoopFilter;
  TComSampleAdaptiveOffset m_cSAO;

  Bool isSkipPictureForBLA(Int& iPOCLastDisplay);
  Bool isRandomAccessSkipPicture(Int& iSkipFrame,  Int& iPOCLastDisplay);
  TComPic*                m_pcPic;
  UInt                    m_uiSliceIdx;
  Int                     m_prevPOC;
  Bool                    m_bFirstSliceInPicture;
  Bool                    m_bFirstSliceInSequence;
  Bool                    m_prevSliceSkipped;
  Int                     m_skippedPOC;
#if SETTING_NO_OUT_PIC_PRIOR  
  Bool                    m_bFirstSliceInBitstream;
  Int                     m_lastPOCNoOutputPriorPics;
  Bool                    m_isNoOutputPriorPics;
  Bool                    m_craNoRaslOutputFlag;    //value of variable NoRaslOutputFlag of the last CRA pic
#endif
#if H_MV
  Bool                    m_isLastNALWasEos;
#endif

#if H_MV
  // For H_MV m_bFirstSliceInSequence indicates first slice in sequence of the particular layer  
  Int                     m_layerId;
  Int                     m_viewId;
  TComPicLists*           m_ivPicLists;
  std::vector<TComPic*>   m_refPicSetInterLayer0; 
  std::vector<TComPic*>   m_refPicSetInterLayer1; 
#endif

public:
  TDecTop();
  virtual ~TDecTop();
  
  Void  create  ();
  Void  destroy ();

  void setDecodedPictureHashSEIEnabled(Int enabled) { m_cGopDecoder.setDecodedPictureHashSEIEnabled(enabled); }

  Void  init();
#if H_MV  
  Bool  decode(InputNALUnit& nalu, Int& iSkipFrame, Int& iPOCLastDisplay, Bool newLayer, Bool& sliceSkippedFlag );
  Bool  decode(InputNALUnit& nalu, Int& iSkipFrame, Int& iPOCLastDisplay, Bool newLayer );
#else  
  Bool  decode(InputNALUnit& nalu, Int& iSkipFrame, Int& iPOCLastDisplay);
#endif
  
  Void  deletePicBuffer();
#if H_MV
  TComVPS* getActiveVPS() { return m_parameterSetManagerDecoder.getActiveVPS( ); }
  TComSPS* getActiveSPS() { return m_parameterSetManagerDecoder.getActiveSPS( m_layerId ); }
#else
  TComSPS* getActiveSPS() { return m_parameterSetManagerDecoder.getActiveSPS(); }
#endif

#if H_MV
  Void endPicDecoding(Int& poc, TComList<TComPic*>*& rpcListPic,  std::vector<Int>& targetDecLayerIdSet);  
#else
  Void executeLoopFilters(Int& poc, TComList<TComPic*>*& rpcListPic);
#endif
  
#if SETTING_NO_OUT_PIC_PRIOR  
  Void  checkNoOutputPriorPics (TComList<TComPic*>*& rpcListPic);

  Bool  getNoOutputPriorPicsFlag () { return m_isNoOutputPriorPics; }
  Void  setNoOutputPriorPicsFlag (bool val) { m_isNoOutputPriorPics = val; }
#endif
#if H_MV    
  TComPic*                getPic                ( Int poc );
  TComList<TComPic*>*     getListPic            ()               { return &m_cListPic;  }  
  Void                    setIvPicLists         ( TComPicLists* picLists) { m_ivPicLists = picLists; }
  Void                    setLayerInitilizedFlags( Bool* val )    { m_layerInitilizedFlag = val; }
  Void                    setTargetOptLayerSetIdx( Int targetOptLayerSetIdx ) { m_targetOptLayerSetIdx = targetOptLayerSetIdx; }    
  TComVPS*                getPrefetchedVPS      ()               { return m_parameterSetManagerDecoder.getPrefetchedVPS( 0 ); }; //Assuming that currently only one VPS is present. 
  Int                     getCurrPoc            ()               { return m_apcSlicePilot->getPOC(); }
  Void                    setLayerId            ( Int layer)     { m_layerId = layer;   }
  Int                     getLayerId            ()               { return m_layerId;    }
  Void                    setViewId             ( Int viewId  )  { m_viewId  = viewId;  }
  Int                     getViewId             ()               { return m_viewId;     }  

#endif
protected:
  Void  xGetNewPicBuffer  (TComSlice* pcSlice, TComPic*& rpcPic);
  Void  xCreateLostPicture (Int iLostPOC);

  Void      xActivateParameterSets();
#if H_MV  
  TComPic*  xGetPic( Int layerId, Int poc ); 
  Bool      xDecodeSlice(InputNALUnit &nalu, Int &iSkipFrame, Int iPOCLastDisplay, Bool newLayerFlag, Bool& sliceSkippedFlag );  
  Void      xResetPocInPicBuffer();
  Void      xCeckNoClrasOutput();

  Bool      xAllRefLayersInitilized();
#else
  Bool      xDecodeSlice(InputNALUnit &nalu, Int &iSkipFrame, Int iPOCLastDisplay);
#endif
  Void      xDecodeVPS();
  Void      xDecodeSPS();
  Void      xDecodePPS();
  Void      xDecodeSEI( TComInputBitstream* bs, const NalUnitType nalUnitType );

};// END CLASS DEFINITION TDecTop


//! \}

#endif // __TDECTOP__