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the Software are granted under this license.

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------------------------------------------------------------------------------------------- */

/** \file     Picture.h

 *  \brief    Description of a coded picture

 */

#pragma once

#include "CommonDef.h"

#include "Common.h"

#include "Unit.h"

#include "Slice.h"

#include "CodingStructure.h"

#include "BitStream.h"

#include "Reshape.h"

#include <deque>

#include <chrono>

#include <atomic>

//! \ingroup CommonLib

//! \{

namespace vvenc {

class SEI;

class SEIDecodedPictureHash;

class EncRCPic;

class PicShared;

class MsgLog;

typedef std::list<SEI*> SEIMessages;

struct StopClock

{

  StopClock() : m_startTime(), m_timer() {}

  int  getTimerInSec() const { return (int)std::chrono::duration_cast<std::chrono::seconds>( m_timer ).count(); };

  void resetTimer()          { m_timer = std::chrono::steady_clock::duration::zero(); }

  void startTimer()          { m_startTime  = std::chrono::steady_clock::now(); }

  void stopTimer()           { auto endTime = std::chrono::steady_clock::now(); m_timer += endTime - m_startTime; m_startTime = endTime; }

  std::chrono::steady_clock::time_point m_startTime;

  std::chrono::steady_clock::duration   m_timer;

};

struct PicVisAct

{

  PicVisAct()

    : spatAct       { 0, 0 }

    , prevTL0spatAct{ 0, 0 }

    , visAct        ( 0 )

    , visActTL0     ( 0 )

  {

  }

  void reset() { *this = PicVisAct(); }

  uint16_t spatAct[MAX_NUM_CH];

  uint16_t prevTL0spatAct[MAX_NUM_CH];

  uint16_t visAct;

  uint16_t visActTL0;

};

struct Picture;

class BlkStat

{

public:

  BlkStat()

    : m_bResetAMaxBT( true )

  {

  }

  ~BlkStat()

  {

  }

  void storeBlkSize ( const Picture& pic );

  void updateMaxBT  ( const Slice& slice, const BlkStat& blkStat );

  void setSliceMaxBT( Slice& slice );

protected:

  uint32_t m_uiBlkSize[NUM_AMAXBT_LAYER];

  uint32_t m_uiNumBlk[NUM_AMAXBT_LAYER];

  uint32_t m_uiPrevISlicePOC;

  bool     m_bResetAMaxBT;

};

struct PicApsGlobal{

  int      poc;

  unsigned tid;

  bool     initalized = false;

  int      refCnt = 0;

  ParameterSetMap<APS> apsMap;

  PicApsGlobal( int _p ) : poc(_p), tid(MAX_UINT), apsMap( MAX_NUM_APS * MAX_NUM_APS_TYPE ) {}

  PicApsGlobal( int _p, unsigned _t ) : poc(_p), tid(_t), apsMap( MAX_NUM_APS * MAX_NUM_APS_TYPE ) {}

};

struct Picture : public UnitArea

{

  uint32_t margin;

  Picture();

  void create( ChromaFormat _chromaFormat, const Size& size, unsigned _maxCUSize, unsigned _margin, bool _decoder );

  void reset();

  void destroy( bool bPicHeader );

  void linkSharedBuffers( PelStorage* origBuf, PelStorage* filteredBuf, PelStorage* prevOrigBufs[ NUM_QPA_PREV_FRAMES ], PicShared* picShared );

  void releasePrevBuffers();

  void releaseSharedBuffers();

  void createTempBuffers( unsigned _maxCUSize );

  void destroyTempBuffers();

  void extendPicBorder();

  void finalInit( const VPS& vps, const SPS& sps, const PPS& pps, PicHeader* picHeader, XUCache& unitCache, std::mutex* mutex, APS** alfAps, APS* lmcsAps );

  void setSccFlags( const VVEncCfg* encCfg );

  int  getPOC()                                                     const { return poc; }

  const PelStorage& getOrigBuffer()                                       { return *m_sharedBufs[       PIC_ORIGINAL]; }

         PelUnitBuf getOrigBuf()                                          { return getSharedBuf(        PIC_ORIGINAL); }

  const CPelUnitBuf getOrigBuf()                                    const { return getSharedBuf(        PIC_ORIGINAL); }

  const CPelBuf     getOrigBuf(const ComponentID compID)            const { return getSharedBuf(compID, PIC_ORIGINAL); }

  const CPelBuf     getOrigBuf(const CompArea& blk)                 const { return getSharedBuf(blk,    PIC_ORIGINAL); }

  const CPelUnitBuf getOrigBuf(const UnitArea& unit)                const { return getSharedBuf(unit,   PIC_ORIGINAL); }

         PelBuf     getRecoBuf(const ComponentID compID)                  { return getPicBuf(compID, PIC_RECONSTRUCTION); }

  const CPelBuf     getRecoBuf(const ComponentID compID)            const { return getPicBuf(compID, PIC_RECONSTRUCTION); }

         PelBuf     getRecoBuf(const CompArea& blk)                       { return getPicBuf(blk,    PIC_RECONSTRUCTION); }

  const CPelBuf     getRecoBuf(const CompArea& blk)                 const { return getPicBuf(blk,    PIC_RECONSTRUCTION); }

         PelUnitBuf getRecoBuf(const UnitArea& unit)                      { return getPicBuf(unit,   PIC_RECONSTRUCTION); }

  const CPelUnitBuf getRecoBuf(const UnitArea& unit)                const { return getPicBuf(unit,   PIC_RECONSTRUCTION); }

         PelUnitBuf getRecoBuf()                                          { return getPicBuf(        PIC_RECONSTRUCTION); }

  const CPelUnitBuf getRecoBuf()                                    const { return getPicBuf(        PIC_RECONSTRUCTION); }

         int        getRecoBufStride(const ComponentID compID)      const { return m_picBufs[PIC_RECONSTRUCTION].bufs[compID].stride; }

  const  Pel*       getRecoBufPtr   (const ComponentID compID)      const { return m_picBufs[PIC_RECONSTRUCTION].bufs[compID].buf; }

         PelUnitBuf getSaoBuf()                                           { return getPicBuf(        PIC_SAO_TEMP); }

  const CPelUnitBuf getSaoBuf()                                     const { return getPicBuf(        PIC_SAO_TEMP); }

        PelStorage& getFilteredOrigBuffer()                               { return *m_sharedBufs[       PIC_ORIGINAL_RSP]; }

         PelUnitBuf getRspOrigBuf()                                       { return getSharedBuf(        PIC_ORIGINAL_RSP); }

  const CPelUnitBuf getRspOrigBuf()                                 const { return getSharedBuf(        PIC_ORIGINAL_RSP); }

  const CPelBuf     getRspOrigBuf(const ComponentID compID)         const { return getSharedBuf(compID, PIC_ORIGINAL_RSP); }

  const CPelBuf     getRspOrigBuf(const CompArea& blk)              const { return getSharedBuf(blk,    PIC_ORIGINAL_RSP); }

  const CPelUnitBuf getRspOrigBuf(const UnitArea& unit)             const { return getSharedBuf(unit,   PIC_ORIGINAL_RSP); }

  const CPelBuf     getOrigBufPrev(const CompArea &blk, const PrevFrameType type) const;

  const CPelUnitBuf getOrigBufPrev(const PrevFrameType type) const;

  const CPelBuf     getOrigBufPrev(const ComponentID compID, const PrevFrameType type) const;

private:

         PelUnitBuf getPicBuf(                          const PictureType type)         { return m_picBufs[ type ]; }

  const CPelUnitBuf getPicBuf(                          const PictureType type)   const { return m_picBufs[ type ]; }

         PelBuf     getPicBuf(const ComponentID compID, const PictureType type)         { return m_picBufs[ type ].getBuf( compID ); }

  const CPelBuf     getPicBuf(const ComponentID compID, const PictureType type)   const { return m_picBufs[ type ].getBuf( compID ); }

         PelBuf     getPicBuf(const CompArea& blk,      const PictureType type)         { return ( !blk.valid() ) ? PelBuf() : m_picBufs[ type ].getBuf( blk ); }

  const CPelBuf     getPicBuf(const CompArea& blk,      const PictureType type)   const { return ( !blk.valid() ) ? PelBuf() : m_picBufs[ type ].getBuf( blk ); }

         PelUnitBuf getPicBuf(const UnitArea& unit,     const PictureType type);

  const CPelUnitBuf getPicBuf(const UnitArea& unit,     const PictureType type) const;

         PelUnitBuf getSharedBuf(                          const PictureType type)         { return *m_sharedBufs[ type ]; }

  const CPelUnitBuf getSharedBuf(                          const PictureType type)   const { return *m_sharedBufs[ type ]; }

         PelBuf     getSharedBuf(const ComponentID compID, const PictureType type)         { return  m_sharedBufs[ type ]->getBuf( compID ); }

  const CPelBuf     getSharedBuf(const ComponentID compID, const PictureType type)   const { return  m_sharedBufs[ type ]->getBuf( compID ); }

         PelBuf     getSharedBuf(const CompArea& blk,      const PictureType type)         { return ( !blk.valid() ) ? PelBuf() : m_sharedBufs[ type ]->getBuf( blk ); }

  const CPelBuf     getSharedBuf(const CompArea& blk,      const PictureType type)   const { return ( !blk.valid() ) ? PelBuf() : m_sharedBufs[ type ]->getBuf( blk ); }

         PelUnitBuf getSharedBuf(const UnitArea& unit,     const PictureType type);

  const CPelUnitBuf getSharedBuf(const UnitArea& unit,     const PictureType type) const;

public:

  CodingStructure*              cs;

  const VPS*                    vps;

  const DCI*                    dci;

  ParameterSetMap<APS>          picApsMap;

  std::deque<Slice*>            slices;

  std::vector<const Slice*>     ctuSlice;

  ReshapeData                   reshapeData;

  SEIMessages                   SEIs;

  BlkStat                       picBlkStat;

  std::vector<OutputBitstream>  sliceDataStreams;

  bool                          isInitDone;

  std::atomic_bool              isReconstructed;

  bool                          isBorderExtended;

  bool                          isReferenced;

  bool                          isNeededForOutput;

  bool                          isFinished;

  bool                          isLongTerm;

  bool                          isFlush;

  bool                          isInProcessList;

  bool                          precedingDRAP; // preceding a DRAP picture in decoding order

  const GOPEntry*               gopEntry;

  int                           refCounter;

  int                           poc;

  unsigned                      TLayer;

  int                           layerId;

  bool                          isSubPicBorderSaved;

  int                           sliceDataNumBins;

  uint64_t                      cts;

  bool                          ctsValid;

  int64_t                       picsInMissing;      // summed up missing frames on input

  int64_t                       picOutOffset;       // signalization of pic offset to re-calc dts

  bool                          isPreAnalysis;

  PicShared*                    m_picShared;

  PelStorage                    m_picBufs[ NUM_PIC_TYPES ];

  PelStorage*                   m_sharedBufs[ NUM_PIC_TYPES ];

  PelStorage*                   m_bufsOrigPrev[ NUM_QPA_PREV_FRAMES ];

  std::vector<double>           ctuQpaLambda;

  std::vector<int>              ctuAdaptedQP;

  int                           gopAdaptedQP; // QP offset of GOP (delta relative to base QP)

  bool                          force2ndOrder; // force 2nd-order high-pass in activity calc.

  bool                          isSceneCutGOP;

  bool                          isSceneCutCheckAdjQP;

  bool                          isMeanQPLimited;

  std::mutex                    wppMutex;

  int                           picInitialQP;

  double                        picInitialLambda;

  int16_t                       picMemorySTA;

  PicVisAct                     picVA;

  double                        psnr[MAX_NUM_COMP];

  double                        mse [MAX_NUM_COMP];

  StopClock                     encTime;

  bool                          isSccWeak;

  bool                          isSccStrong;

  bool                          useME;

  bool                          useMCTF;

  bool                          useTS;

  bool                          useBDPCM;

  bool                          useIBC;

  bool                          useLMCS;

  bool                          useSAO;

  bool                          useNumRefs;

  bool                          useSelectiveRdoq;

  int                           useFastMrg;

  int                           useQtbttSpeedUpMode;

  int                           actualHeadBits;

  int                           actualTotalBits;

  EncRCPic*                     encRCPic;

  PicApsGlobal*                 picApsGlobal;

  PicApsGlobal*                 refApsGlobal;

  std::vector<SAOBlkParam>      m_sao[ 2 ];

  std::vector<uint8_t>          m_alfCtuEnabled[ MAX_NUM_COMP ];

  std::vector<short>            m_alfCtbFilterIndex;

  std::vector<uint8_t>          m_alfCtuAlternative[ MAX_NUM_COMP ];

  std::vector<std::atomic<int>>*  m_tileColsDone = nullptr;

  void*                         userData;

public:

  Slice*          allocateNewSlice();

  Slice*          swapSliceObject( Slice* p, uint32_t i );

  SAOBlkParam    *getSAO    (int id = 0)                     { return &m_sao[id][0]; };

  void            resizeSAO (unsigned numEntries, int dstid) { m_sao[dstid].resize(numEntries); }

  void            copySAO   (const Picture& src, int dstid)  { std::copy(src.m_sao[0].begin(), src.m_sao[0].end(), m_sao[dstid].begin()); }

  void            resizeAlfCtuBuffers( int numEntries );

};

int calcAndPrintHashStatus(const CPelUnitBuf& pic, const SEIDecodedPictureHash* pictureHashSEI, const BitDepths &bitDepths, const vvencMsgLevel msgl, MsgLog& logger );

typedef std::list<Picture*> PicList;

} // namespace vvenc

//! \}