EncGOP.cpp

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/** \file     EncGOP.cpp
    \brief    GOP encoder class
*/

#include <list>
#include <algorithm>
#include <functional>

#include "EncLib.h"
#include "EncGOP.h"
#include "Analyze.h"
#include "libmd5/MD5.h"
#include "CommonLib/SEI.h"
#include "CommonLib/NAL.h"
#include "NALwrite.h"

#include <math.h>
#include <deque>
#include <chrono>
#include <cinttypes>

#include "CommonLib/UnitTools.h"
#include "CommonLib/dtrace_codingstruct.h"
#include "CommonLib/dtrace_buffer.h"

#include "DecoderLib/DecLib.h"

#define ENCODE_SUB_SET 0

using namespace std;

//! \ingroup EncoderLib
//! \{

// ====================================================================================================================
// Constructor / destructor / initialization / destroy
// ====================================================================================================================
int getLSB(int poc, int maxLSB)
{
  if (poc >= 0)
  {
    return poc % maxLSB;
  }
  else
  {
    return (maxLSB - ((-poc) % maxLSB)) % maxLSB;
  }
}


EncGOP::EncGOP()
{
  m_iLastIDR            = 0;
  m_iGopSize            = 0;
  m_iNumPicCoded        = 0; //Niko
  m_bFirst              = true;
  m_iLastRecoveryPicPOC = 0;
  m_lastRasPoc          = MAX_INT;

  m_pcCfg               = NULL;
  m_pcSliceEncoder      = NULL;
  m_pcListPic           = NULL;
  m_HLSWriter           = NULL;
  m_bSeqFirst           = true;

  m_bRefreshPending     = 0;
  m_pocCRA              = 0;
  m_numLongTermRefPicSPS = 0;
  ::memset(m_ltRefPicPocLsbSps, 0, sizeof(m_ltRefPicPocLsbSps));
  ::memset(m_ltRefPicUsedByCurrPicFlag, 0, sizeof(m_ltRefPicUsedByCurrPicFlag));
  m_lastBPSEI           = 0;
  m_bufferingPeriodSEIPresentInAU = false;
  m_associatedIRAPType  = NAL_UNIT_CODED_SLICE_IDR_N_LP;
  m_associatedIRAPPOC   = 0;
#if W0038_DB_OPT
  m_pcDeblockingTempPicYuv = NULL;
#endif

  m_bInitAMaxBT         = true;
  m_bgPOC = -1;
  m_picBg = NULL;
  m_picOrig = NULL;
  m_isEncodedLTRef = false;
  m_isUseLTRef = false;
  m_isPrepareLTRef = true;
  m_lastLTRefPoc = 0;
}

EncGOP::~EncGOP()
{
  if( !m_pcCfg->getDecodeBitstream(0).empty() || !m_pcCfg->getDecodeBitstream(1).empty() )
  {
    // reset potential decoder resources
    tryDecodePicture( NULL, 0, std::string("") );
  }
}

/** Create list to contain pointers to CTU start addresses of slice.
 */
void  EncGOP::create()
{
  m_bLongtermTestPictureHasBeenCoded = 0;
  m_bLongtermTestPictureHasBeenCoded2 = 0;
}

void  EncGOP::destroy()
{
#if W0038_DB_OPT
  if (m_pcDeblockingTempPicYuv)
  {
    m_pcDeblockingTempPicYuv->destroy();
    delete m_pcDeblockingTempPicYuv;
    m_pcDeblockingTempPicYuv = NULL;
  }
#endif
  if (m_picBg)
  {
    m_picBg->destroy();
    delete m_picBg;
    m_picBg = NULL;
  }
  if (m_picOrig)
  {
    m_picOrig->destroy();
    delete m_picOrig;
    m_picOrig = NULL;
  }
}

void EncGOP::init ( EncLib* pcEncLib )
{
  m_pcEncLib     = pcEncLib;
  m_pcCfg                = pcEncLib;
  m_seiEncoder.init(m_pcCfg, pcEncLib, this);
  m_pcSliceEncoder       = pcEncLib->getSliceEncoder();
  m_pcListPic            = pcEncLib->getListPic();
  m_HLSWriter            = pcEncLib->getHLSWriter();
  m_pcLoopFilter         = pcEncLib->getLoopFilter();
  m_pcSAO                = pcEncLib->getSAO();
  m_pcALF = pcEncLib->getALF();
  m_pcRateCtrl           = pcEncLib->getRateCtrl();
  m_lastBPSEI          = 0;
  m_totalCoded         = 0;

  m_AUWriterIf = pcEncLib->getAUWriterIf();

#if WCG_EXT
#if JVET_M0427_INLOOP_RESHAPER
  if (m_pcCfg->getReshaper())
  {
    pcEncLib->getRdCost()->setReshapeInfo(m_pcCfg->getReshapeSignalType(), m_pcCfg->getBitDepth(CHANNEL_TYPE_LUMA));
    pcEncLib->getRdCost()->initLumaLevelToWeightTableReshape();
  }
  else if (m_pcCfg->getLumaLevelToDeltaQPMapping().mode)
  {
#if JVET_M0427_INLOOP_RESHAPER
  memcpy(pcEncLib->getALF()->getLumaLevelWeightTable(), pcEncLib->getRdCost()->getLumaLevelWeightTable(), LUMA_LEVEL_TO_DQP_LUT_MAXSIZE * sizeof(double));
  int alfWSSD = 0;

  if (m_pcCfg->getReshaper() && m_pcCfg->getReshapeSignalType() == RESHAPE_SIGNAL_PQ )
  {
    alfWSSD = 1;
  }

  pcEncLib->getALF()->setAlfWSSD(alfWSSD);
#endif
    pcEncLib->getRdCost()->initLumaLevelToWeightTable();