EncLib.cpp 59.1 KB
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/* 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) 2010-2019, ITU/ISO/IEC
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 * All rights reserved.
 *
 * 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.
 *  * Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *  * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
 *    be used to endorse or promote products derived from this software without
 *    specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

/** \file     EncLib.cpp
    \brief    encoder class
*/

#include "EncLib.h"

#include "EncModeCtrl.h"
#include "AQp.h"
#include "EncCu.h"

#include "CommonLib/Picture.h"
#include "CommonLib/CommonDef.h"
#include "CommonLib/ChromaFormat.h"
#if ENABLE_SPLIT_PARALLELISM
#include <omp.h>
#endif

//! \ingroup EncoderLib
//! \{

// ====================================================================================================================
// Constructor / destructor / create / destroy
// ====================================================================================================================



EncLib::EncLib()
  : m_spsMap( MAX_NUM_SPS )
  , m_ppsMap( MAX_NUM_PPS )
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  , m_apsMap(MAX_NUM_APS * MAX_NUM_APS_TYPE)
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  , m_AUWriterIf( nullptr )
#if JVET_J0090_MEMORY_BANDWITH_MEASURE
  , m_cacheModel()
#endif
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  , m_lmcsAPS(nullptr)
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{
  m_iPOCLast          = -1;
  m_iNumPicRcvd       =  0;
  m_uiNumAllPicCoded  =  0;

  m_iMaxRefPicNum     = 0;

#if ENABLE_SIMD_OPT_BUFFER
  g_pelBufOP.initPelBufOpsX86();
#endif
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  memset(m_apss, 0, sizeof(m_apss));
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}

EncLib::~EncLib()
{
}

void EncLib::create ()
{
  // initialize global variables
  initROM();
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  TComHash::initBlockSizeToIndex();
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  m_iPOCLast = m_compositeRefEnabled ? -2 : -1;
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  // create processing unit classes
  m_cGOPEncoder.        create( );
  m_cSliceEncoder.      create( getSourceWidth(), getSourceHeight(), m_chromaFormatIDC, m_maxCUWidth, m_maxCUHeight, m_maxTotalCUDepth );
#if ENABLE_SPLIT_PARALLELISM || ENABLE_WPP_PARALLELISM
#if ENABLE_SPLIT_PARALLELISM
  m_numCuEncStacks  = m_numSplitThreads == 1 ? 1 : NUM_RESERVERD_SPLIT_JOBS;
#else
  m_numCuEncStacks  = 1;
#endif
#if ENABLE_WPP_PARALLELISM
  m_numCuEncStacks *= ( m_numWppThreads + m_numWppExtraLines );
#endif

  m_cCuEncoder      = new EncCu              [m_numCuEncStacks];
  m_cInterSearch    = new InterSearch        [m_numCuEncStacks];
  m_cIntraSearch    = new IntraSearch        [m_numCuEncStacks];
  m_cTrQuant        = new TrQuant            [m_numCuEncStacks];
  m_CABACEncoder    = new CABACEncoder       [m_numCuEncStacks];
  m_cRdCost         = new RdCost             [m_numCuEncStacks];
  m_CtxCache        = new CtxCache           [m_numCuEncStacks];

  for( int jId = 0; jId < m_numCuEncStacks; jId++ )
  {
    m_cCuEncoder[jId].         create( this );
  }
#else
  m_cCuEncoder.         create( this );
#endif
#if JVET_J0090_MEMORY_BANDWITH_MEASURE
  m_cInterSearch.cacheAssign( &m_cacheModel );
#endif
  const uint32_t widthInCtus   = (getSourceWidth()  + m_maxCUWidth  - 1)  / m_maxCUWidth;
  const uint32_t heightInCtus  = (getSourceHeight() + m_maxCUHeight - 1) / m_maxCUHeight;
  const uint32_t numCtuInFrame = widthInCtus * heightInCtus;

  if (m_bUseSAO)
  {
    m_cEncSAO.create( getSourceWidth(), getSourceHeight(), m_chromaFormatIDC, m_maxCUWidth, m_maxCUHeight, m_maxTotalCUDepth, m_log2SaoOffsetScale[CHANNEL_TYPE_LUMA], m_log2SaoOffsetScale[CHANNEL_TYPE_CHROMA] );
    m_cEncSAO.createEncData(getSaoCtuBoundary(), numCtuInFrame);
  }

  m_cLoopFilter.create( m_maxTotalCUDepth );
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  if ( !m_bLoopFilterDisable )
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  {
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    m_cLoopFilter.initEncPicYuvBuffer( m_chromaFormatIDC, getSourceWidth(), getSourceHeight() );
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  }
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  if( m_alf )
  {
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    m_cEncALF.create( this, getSourceWidth(), getSourceHeight(), m_chromaFormatIDC, m_maxCUWidth, m_maxCUHeight, m_maxTotalCUDepth, m_bitDepth, m_inputBitDepth );
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  }

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#if ENABLE_SPLIT_PARALLELISM || ENABLE_WPP_PARALLELISM
  m_cReshaper = new EncReshape[m_numCuEncStacks];
#endif
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  if (m_lumaReshapeEnable)
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  {
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#if ENABLE_SPLIT_PARALLELISM || ENABLE_WPP_PARALLELISM
    for (int jId = 0; jId < m_numCuEncStacks; jId++)
    {
      m_cReshaper[jId].createEnc(getSourceWidth(), getSourceHeight(), m_maxCUWidth, m_maxCUHeight, m_bitDepth[COMPONENT_Y]);
    }
#else
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    m_cReshaper.createEnc( getSourceWidth(), getSourceHeight(), m_maxCUWidth, m_maxCUHeight, m_bitDepth[COMPONENT_Y]);
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#endif
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  }
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  if ( m_RCEnableRateControl )
  {
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    m_cRateCtrl.init(m_framesToBeEncoded, m_RCTargetBitrate, (int)((double)m_iFrameRate / m_temporalSubsampleRatio + 0.5), m_iGOPSize, m_iSourceWidth, m_iSourceHeight,
      m_maxCUWidth, m_maxCUHeight, getBitDepth(CHANNEL_TYPE_LUMA), m_RCKeepHierarchicalBit, m_RCUseLCUSeparateModel, m_GOPList);
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  }

}

void EncLib::destroy ()
{
  // destroy processing unit classes
  m_cGOPEncoder.        destroy();
  m_cSliceEncoder.      destroy();
#if ENABLE_SPLIT_PARALLELISM || ENABLE_WPP_PARALLELISM
  for( int jId = 0; jId < m_numCuEncStacks; jId++ )
  {
    m_cCuEncoder[jId].destroy();
  }
#else
  m_cCuEncoder.         destroy();
#endif
  if( m_alf )
  {
    m_cEncALF.destroy();
  }
  m_cEncSAO.            destroyEncData();
  m_cEncSAO.            destroy();
  m_cLoopFilter.        destroy();
  m_cRateCtrl.          destroy();
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#if ENABLE_SPLIT_PARALLELISM || ENABLE_WPP_PARALLELISM
  for (int jId = 0; jId < m_numCuEncStacks; jId++)
  {
    m_cReshaper[jId].   destroy();
  }
#else
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  m_cReshaper.          destroy();
#endif
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#if ENABLE_SPLIT_PARALLELISM || ENABLE_WPP_PARALLELISM
  for( int jId = 0; jId < m_numCuEncStacks; jId++ )
  {
    m_cInterSearch[jId].   destroy();
    m_cIntraSearch[jId].   destroy();
  }
#else
  m_cInterSearch.       destroy();
  m_cIntraSearch.       destroy();
#endif

#if ENABLE_SPLIT_PARALLELISM || ENABLE_WPP_PARALLELISM
  delete[] m_cCuEncoder;
  delete[] m_cInterSearch;
  delete[] m_cIntraSearch;
  delete[] m_cTrQuant;
  delete[] m_CABACEncoder;
  delete[] m_cRdCost;
  delete[] m_CtxCache;
#endif




  // destroy ROM
  destroyROM();
  return;
}

void EncLib::init( bool isFieldCoding, AUWriterIf* auWriterIf )
{
  m_AUWriterIf = auWriterIf;

  SPS &sps0=*(m_spsMap.allocatePS(0)); // NOTE: implementations that use more than 1 SPS need to be aware of activation issues.
  PPS &pps0=*(m_ppsMap.allocatePS(0));

  // initialize SPS
  xInitSPS(sps0);
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  xInitVPS(m_cVPS);
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  int dpsId = getDecodingParameterSetEnabled() ? 1 : 0;
  xInitDPS(m_dps, sps0, dpsId);
  sps0.setDecodingParameterSetId(m_dps.getDecodingParameterSetId());
    
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#if ENABLE_SPLIT_PARALLELISM
  if( omp_get_dynamic() )
  {
    omp_set_dynamic( false );
  }
  omp_set_nested( true );
#endif

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  if (getUseCompositeRef())
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  {
    sps0.setLongTermRefsPresent(true);
  }
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#if U0132_TARGET_BITS_SATURATION
  if (m_RCCpbSaturationEnabled)
  {
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    m_cRateCtrl.initHrdParam(sps0.getHrdParameters(), m_iFrameRate, m_RCInitialCpbFullness);
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  }
#endif
#if ENABLE_SPLIT_PARALLELISM || ENABLE_WPP_PARALLELISM
  for( int jId = 0; jId < m_numCuEncStacks; jId++ )
  {
    m_cRdCost[jId].setCostMode ( m_costMode );
  }
#else
  m_cRdCost.setCostMode ( m_costMode );
#endif

  // initialize PPS
  xInitPPS(pps0, sps0);
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  // initialize APS
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  xInitRPL(sps0, isFieldCoding);
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#if ER_CHROMA_QP_WCG_PPS
  if (m_wcgChromaQpControl.isEnabled())
  {
    PPS &pps1=*(m_ppsMap.allocatePS(1));
    xInitPPS(pps1, sps0);
  }
#endif
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  if (getUseCompositeRef())
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  {
    PPS &pps2 = *(m_ppsMap.allocatePS(2));
    xInitPPS(pps2, sps0);
    xInitPPSforLT(pps2);
  }
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  // initialize processing unit classes
  m_cGOPEncoder.  init( this );
  m_cSliceEncoder.init( this, sps0 );
#if ENABLE_SPLIT_PARALLELISM || ENABLE_WPP_PARALLELISM
  for( int jId = 0; jId < m_numCuEncStacks; jId++ )
  {
    // precache a few objects
    for( int i = 0; i < 10; i++ )
    {
      auto x = m_CtxCache[jId].get();
      m_CtxCache[jId].cache( x );
    }

    m_cCuEncoder[jId].init( this, sps0, jId );

    // initialize transform & quantization class
    m_cTrQuant[jId].init( jId == 0 ? nullptr : m_cTrQuant[0].getQuant(),
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#if MAX_TB_SIZE_SIGNALLING
                          1 << m_log2MaxTbSize,

#else
                          MAX_TB_SIZEY,
#endif
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                          m_useRDOQ,
                          m_useRDOQTS,
#if T0196_SELECTIVE_RDOQ
                          m_useSelectiveRDOQ,
#endif
                          true,
                          m_useTransformSkipFast
    );

    // initialize encoder search class
    CABACWriter* cabacEstimator = m_CABACEncoder[jId].getCABACEstimator( &sps0 );
    m_cIntraSearch[jId].init( this,
                              &m_cTrQuant[jId],
                              &m_cRdCost[jId],
                              cabacEstimator,
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                              getCtxCache( jId ), m_maxCUWidth, m_maxCUHeight, m_maxTotalCUDepth
                            , &m_cReshaper[jId]
    );
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    m_cInterSearch[jId].init( this,
                              &m_cTrQuant[jId],
                              m_iSearchRange,
                              m_bipredSearchRange,
                              m_motionEstimationSearchMethod,
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                              getUseCompositeRef(),
                              m_maxCUWidth, m_maxCUHeight, m_maxTotalCUDepth, &m_cRdCost[jId], cabacEstimator, getCtxCache( jId )
                           , &m_cReshaper[jId]
    );
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    // link temporary buffets from intra search with inter search to avoid unnecessary memory overhead
    m_cInterSearch[jId].setTempBuffers( m_cIntraSearch[jId].getSplitCSBuf(), m_cIntraSearch[jId].getFullCSBuf(), m_cIntraSearch[jId].getSaveCSBuf() );
  }
#else  // ENABLE_SPLIT_PARALLELISM || ENABLE_WPP_PARALLELISM
  m_cCuEncoder.   init( this, sps0 );

  // initialize transform & quantization class
  m_cTrQuant.init( nullptr,
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#if MAX_TB_SIZE_SIGNALLING
                   1 << m_log2MaxTbSize,
#else
                   MAX_TB_SIZEY,
#endif
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                   m_useRDOQ,
                   m_useRDOQTS,
#if T0196_SELECTIVE_RDOQ
                   m_useSelectiveRDOQ,
#endif
                   true,
                   m_useTransformSkipFast
  );

  // initialize encoder search class
  CABACWriter* cabacEstimator = m_CABACEncoder.getCABACEstimator(&sps0);
  m_cIntraSearch.init( this,
                       &m_cTrQuant,
                       &m_cRdCost,
                       cabacEstimator,
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                       getCtxCache(), m_maxCUWidth, m_maxCUHeight, m_maxTotalCUDepth
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                     , &m_cReshaper
  );
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  m_cInterSearch.init( this,
                       &m_cTrQuant,
                       m_iSearchRange,
                       m_bipredSearchRange,
                       m_motionEstimationSearchMethod,
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                       getUseCompositeRef(),
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    m_maxCUWidth, m_maxCUHeight, m_maxTotalCUDepth, &m_cRdCost, cabacEstimator, getCtxCache()
                     , &m_cReshaper
  );
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  // link temporary buffets from intra search with inter search to avoid unneccessary memory overhead
  m_cInterSearch.setTempBuffers( m_cIntraSearch.getSplitCSBuf(), m_cIntraSearch.getFullCSBuf(), m_cIntraSearch.getSaveCSBuf() );
#endif // ENABLE_SPLIT_PARALLELISM || ENABLE_WPP_PARALLELISM

  m_iMaxRefPicNum = 0;

#if ER_CHROMA_QP_WCG_PPS
  if( m_wcgChromaQpControl.isEnabled() )
  {
    xInitScalingLists( sps0, *m_ppsMap.getPS(1) );
    xInitScalingLists( sps0, pps0 );
  }
  else
#endif
  {
    xInitScalingLists( sps0, pps0 );
  }
#if ENABLE_WPP_PARALLELISM
  m_entropyCodingSyncContextStateVec.resize( pps0.pcv->heightInCtus );
#endif
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  if (getUseCompositeRef())
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  {
    Picture *picBg = new Picture;
    picBg->create(sps0.getChromaFormatIdc(), Size(sps0.getPicWidthInLumaSamples(), sps0.getPicHeightInLumaSamples()), sps0.getMaxCUWidth(), sps0.getMaxCUWidth() + 16, false);
    picBg->getRecoBuf().fill(0);
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    picBg->finalInit(sps0, pps0, m_apss, *m_lmcsAPS);
    pps0.setNumBricksInPic((int)picBg->brickMap->bricks.size());
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    picBg->allocateNewSlice();
    picBg->createSpliceIdx(pps0.pcv->sizeInCtus);
    m_cGOPEncoder.setPicBg(picBg);
    Picture *picOrig = new Picture;
    picOrig->create(sps0.getChromaFormatIdc(), Size(sps0.getPicWidthInLumaSamples(), sps0.getPicHeightInLumaSamples()), sps0.getMaxCUWidth(), sps0.getMaxCUWidth() + 16, false);
    picOrig->getOrigBuf().fill(0);
    m_cGOPEncoder.setPicOrig(picOrig);
  }
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}

void EncLib::xInitScalingLists(SPS &sps, PPS &pps)
{
  // Initialise scaling lists
  // The encoder will only use the SPS scaling lists. The PPS will never be marked present.
  const int maxLog2TrDynamicRange[MAX_NUM_CHANNEL_TYPE] =
  {
      sps.getMaxLog2TrDynamicRange(CHANNEL_TYPE_LUMA),
      sps.getMaxLog2TrDynamicRange(CHANNEL_TYPE_CHROMA)
  };

  Quant* quant = getTrQuant()->getQuant();

  if(getUseScalingListId() == SCALING_LIST_OFF)
  {
    quant->setFlatScalingList(maxLog2TrDynamicRange, sps.getBitDepths());
    quant->setUseScalingList(false);
#if ENABLE_SPLIT_PARALLELISM || ENABLE_WPP_PARALLELISM
    for( int jId = 1; jId < m_numCuEncStacks; jId++ )
    {
      getTrQuant( jId )->getQuant()->setFlatScalingList( maxLog2TrDynamicRange, sps.getBitDepths() );
      getTrQuant( jId )->getQuant()->setUseScalingList( false );
    }
#endif
    sps.setScalingListPresentFlag(false);
    pps.setScalingListPresentFlag(false);
  }
  else if(getUseScalingListId() == SCALING_LIST_DEFAULT)
  {
    sps.getScalingList().setDefaultScalingList ();
    sps.setScalingListPresentFlag(false);
    pps.setScalingListPresentFlag(false);

    quant->setScalingList(&(sps.getScalingList()), maxLog2TrDynamicRange, sps.getBitDepths());
    quant->setUseScalingList(true);
#if ENABLE_SPLIT_PARALLELISM || ENABLE_WPP_PARALLELISM
    for( int jId = 1; jId < m_numCuEncStacks; jId++ )
    {
      getTrQuant( jId )->getQuant()->setUseScalingList( true );
    }
#endif
  }
  else if(getUseScalingListId() == SCALING_LIST_FILE_READ)
  {
    sps.getScalingList().setDefaultScalingList ();
    if(sps.getScalingList().xParseScalingList(getScalingListFileName()))
    {
      THROW( "parse scaling list");
    }
    sps.getScalingList().checkDcOfMatrix();
    sps.setScalingListPresentFlag(sps.getScalingList().checkDefaultScalingList());
    pps.setScalingListPresentFlag(false);

    quant->setScalingList(&(sps.getScalingList()), maxLog2TrDynamicRange, sps.getBitDepths());
    quant->setUseScalingList(true);
#if ENABLE_SPLIT_PARALLELISM || ENABLE_WPP_PARALLELISM
    for( int jId = 1; jId < m_numCuEncStacks; jId++ )
    {
      getTrQuant( jId )->getQuant()->setUseScalingList( true );
    }
#endif
  }
  else
  {
    THROW("error : ScalingList == " << getUseScalingListId() << " not supported\n");
  }

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  if (getUseScalingListId() == SCALING_LIST_FILE_READ && sps.getScalingListPresentFlag())
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  {
    // Prepare delta's:
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    for (uint32_t sizeId = SCALING_LIST_2x2; sizeId <= SCALING_LIST_64x64; sizeId++)
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    {
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      for (uint32_t listId = 0; listId < SCALING_LIST_NUM; listId++)
      {
        if (((sizeId == SCALING_LIST_64x64) && (listId % (SCALING_LIST_NUM / (NUMBER_OF_PREDICTION_MODES - 1)) != 0))
         || ((sizeId == SCALING_LIST_2x2) && (listId % (SCALING_LIST_NUM / (NUMBER_OF_PREDICTION_MODES - 1)) == 0)))
        {
          continue;
        }
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        sps.getScalingList().checkPredMode( sizeId, listId );
      }
    }
  }
}

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void EncLib::xInitPPSforLT(PPS& pps)
{
  pps.setOutputFlagPresentFlag(true);
  pps.setDeblockingFilterControlPresentFlag(true);
  pps.setPPSDeblockingFilterDisabledFlag(true);
}

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// ====================================================================================================================
// Public member functions
// ====================================================================================================================

void EncLib::deletePicBuffer()
{
  PicList::iterator iterPic = m_cListPic.begin();
  int iSize = int( m_cListPic.size() );

  for ( int i = 0; i < iSize; i++ )
  {
    Picture* pcPic = *(iterPic++);

    pcPic->destroy();

    // get rid of the qpadaption layer
    while( pcPic->aqlayer.size() )
    {
      delete pcPic->aqlayer.back(); pcPic->aqlayer.pop_back();
    }

    delete pcPic;
    pcPic = NULL;
  }
}

/**
 - Application has picture buffer list with size of GOP + 1
 - Picture buffer list acts like as ring buffer
 - End of the list has the latest picture
 .
 \param   flush               cause encoder to encode a partial GOP
 \param   pcPicYuvOrg         original YUV picture
 \param   pcPicYuvTrueOrg
 \param   snrCSC
 \retval  rcListPicYuvRecOut  list of reconstruction YUV pictures
 \retval  accessUnitsOut      list of output access units
 \retval  iNumEncoded         number of encoded pictures
 */
void EncLib::encode( bool flush, PelStorage* pcPicYuvOrg, PelStorage* cPicYuvTrueOrg, const InputColourSpaceConversion snrCSC, std::list<PelUnitBuf*>& rcListPicYuvRecOut,
                     int& iNumEncoded )
{
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  if (m_compositeRefEnabled && m_cGOPEncoder.getPicBg()->getSpliceFull() && m_iPOCLast >= 10 && m_iNumPicRcvd == 0 && m_cGOPEncoder.getEncodedLTRef() == false)
  {
    Picture* picCurr = NULL;
    xGetNewPicBuffer(rcListPicYuvRecOut, picCurr, 2);
    const PPS *pps = m_ppsMap.getPS(2);
    const SPS *sps = m_spsMap.getPS(pps->getSPSId());

    picCurr->M_BUFS(0, PIC_ORIGINAL).copyFrom(m_cGOPEncoder.getPicBg()->getRecoBuf());
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    picCurr->finalInit(*sps, *pps, m_apss, *m_lmcsAPS);
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    picCurr->poc = m_iPOCLast - 1;
    m_iPOCLast -= 2;
    if (getUseAdaptiveQP())
    {
      AQpPreanalyzer::preanalyze(picCurr);
    }
    if (m_RCEnableRateControl)
    {
      m_cRateCtrl.initRCGOP(m_iNumPicRcvd);
    }
    m_cGOPEncoder.compressGOP(m_iPOCLast, m_iNumPicRcvd, m_cListPic, rcListPicYuvRecOut,
      false, false, snrCSC, m_printFrameMSE, true);
    m_cGOPEncoder.setEncodedLTRef(true);
    if (m_RCEnableRateControl)
    {
      m_cRateCtrl.destroyRCGOP();
    }

    iNumEncoded = 0;
    m_iNumPicRcvd = 0;
  }
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  //PROF_ACCUM_AND_START_NEW_SET( getProfilerPic(), P_GOP_LEVEL );
  if (pcPicYuvOrg != NULL)
  {
    // get original YUV
    Picture* pcPicCurr = NULL;

#if ER_CHROMA_QP_WCG_PPS
    int ppsID=-1; // Use default PPS ID
    if (getWCGChromaQPControl().isEnabled())
    {
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      ppsID = getdQPs()[m_iPOCLast / (m_compositeRefEnabled ? 2 : 1) + 1];
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      ppsID+=(getSwitchPOC() != -1 && (m_iPOCLast+1 >= getSwitchPOC())?1:0);
    }
    xGetNewPicBuffer( rcListPicYuvRecOut,
                      pcPicCurr, ppsID );
#else
    xGetNewPicBuffer( rcListPicYuvRecOut,
                      pcPicCurr, -1 ); // Uses default PPS ID. However, could be modified, for example, to use a PPS ID as a function of POC (m_iPOCLast+1)
#endif

    {
      const PPS *pPPS=(ppsID<0) ? m_ppsMap.getFirstPS() : m_ppsMap.getPS(ppsID);
      const SPS *pSPS=m_spsMap.getPS(pPPS->getSPSId());

      pcPicCurr->M_BUFS( 0, PIC_ORIGINAL ).swap( *pcPicYuvOrg );
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      pcPicCurr->M_BUFS( 0, PIC_TRUE_ORIGINAL ).swap(*cPicYuvTrueOrg );
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      pcPicCurr->finalInit(*pSPS, *pPPS, m_apss, *m_lmcsAPS);
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      PPS *ptrPPS = (ppsID<0) ? m_ppsMap.getFirstPS() : m_ppsMap.getPS(ppsID);
      ptrPPS->setNumBricksInPic((int)pcPicCurr->brickMap->bricks.size());
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    }

    pcPicCurr->poc = m_iPOCLast;

    // compute image characteristics
    if ( getUseAdaptiveQP() )
    {
      AQpPreanalyzer::preanalyze( pcPicCurr );
    }
  }

  if ((m_iNumPicRcvd == 0) || (!flush && (m_iPOCLast != 0) && (m_iNumPicRcvd != m_iGOPSize) && (m_iGOPSize != 0)))
  {
    iNumEncoded = 0;
    return;
  }

  if ( m_RCEnableRateControl )
  {
    m_cRateCtrl.initRCGOP( m_iNumPicRcvd );
  }

  // compress GOP
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  m_cGOPEncoder.compressGOP(m_iPOCLast, m_iNumPicRcvd, m_cListPic, rcListPicYuvRecOut,
                            false, false, snrCSC, m_printFrameMSE
    , false
  );
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  if ( m_RCEnableRateControl )
  {
    m_cRateCtrl.destroyRCGOP();
  }

  iNumEncoded         = m_iNumPicRcvd;
  m_iNumPicRcvd       = 0;
  m_uiNumAllPicCoded += iNumEncoded;
}

/**------------------------------------------------
 Separate interlaced frame into two fields
 -------------------------------------------------**/
void separateFields(Pel* org, Pel* dstField, uint32_t stride, uint32_t width, uint32_t height, bool isTop)
{
  if (!isTop)
  {
    org += stride;
  }
  for (int y = 0; y < height>>1; y++)
  {
    for (int x = 0; x < width; x++)
    {
      dstField[x] = org[x];
    }

    dstField += stride;
    org += stride*2;
  }

}

void EncLib::encode( bool flush, PelStorage* pcPicYuvOrg, PelStorage* pcPicYuvTrueOrg, const InputColourSpaceConversion snrCSC, std::list<PelUnitBuf*>& rcListPicYuvRecOut,
                     int& iNumEncoded, bool isTff )
{
  iNumEncoded = 0;

  for (int fieldNum=0; fieldNum<2; fieldNum++)
  {
    if (pcPicYuvOrg)
    {
      /* -- field initialization -- */
      const bool isTopField=isTff==(fieldNum==0);

      Picture *pcField;
      xGetNewPicBuffer( rcListPicYuvRecOut, pcField, -1 );

      for (uint32_t comp = 0; comp < ::getNumberValidComponents(pcPicYuvOrg->chromaFormat); comp++)
      {
        const ComponentID compID = ComponentID(comp);
        {
          PelBuf compBuf = pcPicYuvOrg->get( compID );
          separateFields( compBuf.buf,
                         pcField->getOrigBuf().get(compID).buf,
                         compBuf.stride,
                         compBuf.width,
                         compBuf.height,
                         isTopField);
        }
      }

      {
        int ppsID=-1; // Use default PPS ID
        const PPS *pPPS=(ppsID<0) ? m_ppsMap.getFirstPS() : m_ppsMap.getPS(ppsID);
        const SPS *pSPS=m_spsMap.getPS(pPPS->getSPSId());
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        pcField->finalInit(*pSPS, *pPPS, m_apss, *m_lmcsAPS);
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      }

      pcField->poc = m_iPOCLast;
      pcField->reconstructed = false;

      pcField->setBorderExtension(false);// where is this normally?

      pcField->topField = isTopField;                  // interlaced requirement

      // compute image characteristics
      if ( getUseAdaptiveQP() )
      {
        AQpPreanalyzer::preanalyze( pcField );
      }
    }

    if ( m_iNumPicRcvd && ((flush&&fieldNum==1) || (m_iPOCLast/2)==0 || m_iNumPicRcvd==m_iGOPSize ) )
    {
      // compress GOP
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      m_cGOPEncoder.compressGOP(m_iPOCLast, m_iNumPicRcvd, m_cListPic, rcListPicYuvRecOut, true, isTff, snrCSC, m_printFrameMSE
                              , false
      );
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      iNumEncoded += m_iNumPicRcvd;
      m_uiNumAllPicCoded += m_iNumPicRcvd;
      m_iNumPicRcvd = 0;
    }
  }
}


// ====================================================================================================================
// Protected member functions
// ====================================================================================================================

/**
 - Application has picture buffer list with size of GOP + 1
 - Picture buffer list acts like as ring buffer
 - End of the list has the latest picture
 .
 \retval rpcPic obtained picture buffer
 */
void EncLib::xGetNewPicBuffer ( std::list<PelUnitBuf*>& rcListPicYuvRecOut, Picture*& rpcPic, int ppsId )
{
  // rotate he output buffer
  rcListPicYuvRecOut.push_back( rcListPicYuvRecOut.front() ); rcListPicYuvRecOut.pop_front();

  rpcPic=0;

  // At this point, the SPS and PPS can be considered activated - they are copied to the new Pic.
  const PPS *pPPS=(ppsId<0) ? m_ppsMap.getFirstPS() : m_ppsMap.getPS(ppsId);
  CHECK(!(pPPS!=0), "Unspecified error");
  const PPS &pps=*pPPS;

  const SPS *pSPS=m_spsMap.getPS(pps.getSPSId());
  CHECK(!(pSPS!=0), "Unspecified error");
  const SPS &sps=*pSPS;

  Slice::sortPicList(m_cListPic);

  // use an entry in the buffered list if the maximum number that need buffering has been reached:
  if (m_cListPic.size() >= (uint32_t)(m_iGOPSize + getMaxDecPicBuffering(MAX_TLAYER-1) + 2) )
  {
    PicList::iterator iterPic  = m_cListPic.begin();
    int iSize = int( m_cListPic.size() );
    for ( int i = 0; i < iSize; i++ )
    {
      rpcPic = *iterPic;
      if( ! rpcPic->referenced )
      {
        break;
      }
      iterPic++;
    }

    // If PPS ID is the same, we will assume that it has not changed since it was last used
    // and return the old object.
    if (pps.getPPSId() != rpcPic->cs->pps->getPPSId())
    {
      // the IDs differ - free up an entry in the list, and then create a new one, as with the case where the max buffering state has not been reached.
      rpcPic->destroy();
      delete rpcPic;
      m_cListPic.erase(iterPic);
      rpcPic=0;
    }
  }

  if (rpcPic==0)
  {
    rpcPic = new Picture;

    rpcPic->create( sps.getChromaFormatIdc(), Size( sps.getPicWidthInLumaSamples(), sps.getPicHeightInLumaSamples()), sps.getMaxCUWidth(), sps.getMaxCUWidth()+16, false );
    if ( getUseAdaptiveQP() )
    {
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      const uint32_t iMaxDQPLayer = pps.getCuQpDeltaSubdiv()/2+1;
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      rpcPic->aqlayer.resize( iMaxDQPLayer );
      for (uint32_t d = 0; d < iMaxDQPLayer; d++)
      {
        rpcPic->aqlayer[d] = new AQpLayer( sps.getPicWidthInLumaSamples(), sps.getPicHeightInLumaSamples(), sps.getMaxCUWidth()>>d, sps.getMaxCUHeight()>>d );
      }
    }

    m_cListPic.push_back( rpcPic );
  }

  rpcPic->setBorderExtension( false );
  rpcPic->reconstructed = false;
  rpcPic->referenced = true;
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  rpcPic->getHashMap()->clearAll();
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  m_iPOCLast += (m_compositeRefEnabled ? 2 : 1);
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  m_iNumPicRcvd++;
}


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void EncLib::xInitVPS(VPS &vps)
{
  // The SPS must have already been set up.
  // set the VPS profile information.
  vps.setMaxLayers(1);
  for (uint32_t i = 0; i < vps.getMaxLayers(); i++)
  {
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    vps.setVPSIncludedLayerId(0, i);
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  }
}
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void EncLib::xInitDPS(DPS &dps, const SPS &sps, const int dpsId)
{
  // The SPS must have already been set up.
  // set the DPS profile information.
  dps.setDecodingParameterSetId(dpsId);
  dps.setMaxSubLayersMinus1(sps.getMaxTLayers()-1);
  dps.setProfileTierLevel(*sps.getProfileTierLevel());
}


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void EncLib::xInitSPS(SPS &sps)
{
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  ProfileTierLevel* profileTierLevel = sps.getProfileTierLevel();
  ConstraintInfo* cinfo = profileTierLevel->getConstraintInfo();
  cinfo->setProgressiveSourceFlag       (m_progressiveSourceFlag);
  cinfo->setInterlacedSourceFlag        (m_interlacedSourceFlag);
  cinfo->setNonPackedConstraintFlag     (m_nonPackedConstraintFlag);
  cinfo->setFrameOnlyConstraintFlag     (m_frameOnlyConstraintFlag);
  cinfo->setIntraOnlyConstraintFlag         (m_intraConstraintFlag);
  cinfo->setMaxBitDepthConstraintIdc    (m_maxBitDepthConstraintIdc);
  cinfo->setMaxChromaFormatConstraintIdc((ChromaFormat)m_maxChromaFormatConstraintIdc);
  cinfo->setNoQtbttDualTreeIntraConstraintFlag(m_bNoQtbttDualTreeIntraConstraintFlag);
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  cinfo->setNoPartitionConstraintsOverrideConstraintFlag(m_noPartitionConstraintsOverrideConstraintFlag);
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  cinfo->setNoSaoConstraintFlag(m_bNoSaoConstraintFlag);
  cinfo->setNoAlfConstraintFlag(m_bNoAlfConstraintFlag);
  cinfo->setNoPcmConstraintFlag(m_bNoPcmConstraintFlag);
  cinfo->setNoRefWraparoundConstraintFlag(m_bNoRefWraparoundConstraintFlag);
  cinfo->setNoTemporalMvpConstraintFlag(m_bNoTemporalMvpConstraintFlag);
  cinfo->setNoSbtmvpConstraintFlag(m_bNoSbtmvpConstraintFlag);
  cinfo->setNoAmvrConstraintFlag(m_bNoAmvrConstraintFlag);
  cinfo->setNoBdofConstraintFlag(m_bNoBdofConstraintFlag);
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  cinfo->setNoDmvrConstraintFlag(m_noDmvrConstraintFlag);
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  cinfo->setNoCclmConstraintFlag(m_bNoCclmConstraintFlag);
  cinfo->setNoMtsConstraintFlag(m_bNoMtsConstraintFlag);
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  cinfo->setNoSbtConstraintFlag(m_noSbtConstraintFlag);
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  cinfo->setNoAffineMotionConstraintFlag(m_bNoAffineMotionConstraintFlag);
  cinfo->setNoGbiConstraintFlag(m_bNoGbiConstraintFlag);
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  cinfo->setNoIbcConstraintFlag(m_noIbcConstraintFlag);
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  cinfo->setNoMhIntraConstraintFlag(m_bNoMhIntraConstraintFlag);
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  cinfo->setNoFPelMmvdConstraintFlag(m_noFPelMmvdConstraintFlag);
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  cinfo->setNoTriangleConstraintFlag(m_bNoTriangleConstraintFlag);
  cinfo->setNoLadfConstraintFlag(m_bNoLadfConstraintFlag);
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  cinfo->setNoTransformSkipConstraintFlag(m_noTransformSkipConstraintFlag);
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#if JVET_O1136_TS_BDPCM_SIGNALLING
  cinfo->setNoBDPCMConstraintFlag(m_noBDPCMConstraintFlag);
#endif
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  cinfo->setNoQpDeltaConstraintFlag(m_bNoQpDeltaConstraintFlag);
  cinfo->setNoDepQuantConstraintFlag(m_bNoDepQuantConstraintFlag);
  cinfo->setNoSignDataHidingConstraintFlag(m_bNoSignDataHidingConstraintFlag);
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  profileTierLevel->setLevelIdc                    (m_level);
  profileTierLevel->setTierFlag                    (m_levelTier);
  profileTierLevel->setProfileIdc                  (m_profile);
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  profileTierLevel->setSubProfileIdc               (m_subProfile);
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  /* XXX: should Main be marked as compatible with still picture? */
  /* XXX: may be a good idea to refactor the above into a function
   * that chooses the actual compatibility based upon options */

  sps.setPicWidthInLumaSamples  ( m_iSourceWidth      );
  sps.setPicHeightInLumaSamples ( m_iSourceHeight     );
  sps.setConformanceWindow      ( m_conformanceWindow );
  sps.setMaxCUWidth             ( m_maxCUWidth        );
  sps.setMaxCUHeight            ( m_maxCUHeight       );
  sps.setMaxCodingDepth         ( m_maxTotalCUDepth   );
  sps.setChromaFormatIdc        ( m_chromaFormatIDC   );
  sps.setLog2DiffMaxMinCodingBlockSize(m_log2DiffMaxMinCodingBlockSize);

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  sps.setCTUSize                             ( m_CTUSize );
  sps.setSplitConsOverrideEnabledFlag        ( m_useSplitConsOverride );
  sps.setMinQTSizes                          ( m_uiMinQT );
  sps.setMaxBTDepth                          ( m_uiMaxBTDepth, m_uiMaxBTDepthI, m_uiMaxBTDepthIChroma );
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  sps.setIDRRefParamListPresent              ( m_idrRefParamList );
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  sps.setUseDualITree                        ( m_dualITree );
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  sps.setUseLFNST                            ( m_LFNST );
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  sps.setSBTMVPEnabledFlag                  ( m_SubPuMvpMode );
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  sps.setAMVREnabledFlag                ( m_ImvMode != IMV_OFF );
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  sps.setBDOFEnabledFlag                    ( m_BIO );
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  sps.setUseAffine             ( m_Affine );
  sps.setUseAffineType         ( m_AffineType );
  sps.setUseLMChroma           ( m_LMChroma ? true : false );
  sps.setCclmCollocatedChromaFlag( m_cclmCollocatedChromaFlag );
  sps.setUseMTS                ( m_IntraMTS || m_InterMTS || m_ImplicitMTS );
  sps.setUseIntraMTS           ( m_IntraMTS );
  sps.setUseInterMTS           ( m_InterMTS );
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  sps.setUseSBT                             ( m_SBT );
  if( sps.getUseSBT() )
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  {
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    sps.setMaxSbtSize                       ( m_iSourceWidth >= 1920 ? 64 : 32 );
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  }
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  sps.setUseSMVD                ( m_SMVD );
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  sps.setUseGBi                ( m_GBi );
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#if LUMA_ADAPTIVE_DEBLOCKING_FILTER_QP_OFFSET
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  sps.setLadfEnabled           ( m_LadfEnabled );
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  if ( m_LadfEnabled )
  {
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    sps.setLadfNumIntervals    ( m_LadfNumIntervals );
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    for ( int k = 0; k < m_LadfNumIntervals; k++ )
    {
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      sps.setLadfQpOffset( m_LadfQpOffset[k], k );
      sps.setLadfIntervalLowerBound( m_LadfIntervalLowerBound[k], k );
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    }
    CHECK( m_LadfIntervalLowerBound[0] != 0, "abnormal value set to LadfIntervalLowerBound[0]" );
  }
#endif

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  sps.setUseMHIntra            ( m_MHIntra );
  sps.setUseTriangle           ( m_Triangle );
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  sps.setUseMMVD               ( m_MMVD );
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  sps.setFpelMmvdEnabledFlag   (( m_MMVD ) ? m_allowDisFracMMVD : false);
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#if JVET_O1140_SLICE_DISABLE_BDOF_DMVR_FLAG
  sps.setBdofDmvrSlicePresentFlag(m_DMVR || m_BIO);
#endif
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  sps.setAffineAmvrEnabledFlag              ( m_AffineAmvr );
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  sps.setUseDMVR                            ( m_DMVR );
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  sps.setIBCFlag                            ( m_IBCMode);
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  sps.setWrapAroundEnabledFlag                      ( m_wrapAround );
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  sps.setWrapAroundOffset                   ( m_wrapAroundOffset );
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  // ADD_NEW_TOOL : (encoder lib) set tool enabling flags and associated parameters here
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  sps.setUseISP                             ( m_ISP );
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  sps.setUseReshaper                        ( m_lumaReshapeEnable );
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  sps.setUseMIP                ( m_MIP );
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  int minCUSize =  sps.getMaxCUWidth() >> sps.getLog2DiffMaxMinCodingBlockSize();
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  int log2MinCUSize = 0;
  while(minCUSize > 1)
  {
    minCUSize >>= 1;
    log2MinCUSize++;
  }

  sps.setLog2MinCodingBlockSize(log2MinCUSize);

  sps.setPCMLog2MinSize (m_uiPCMLog2MinSize);
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  sps.setPCMEnabledFlag        ( m_usePCM           );
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  sps.setPCMLog2MaxSize( m_pcmLog2MaxSize  );

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#if JVET_O1136_TS_BDPCM_SIGNALLING
  sps.setTransformSkipEnabledFlag(m_useTransformSkip);
  sps.setBDPCMEnabledFlag(m_useBDPCM);
#endif

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  sps.setSPSTemporalMVPEnabledFlag((getTMVPModeId() == 2 || getTMVPModeId() == 1));

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#if MAX_TB_SIZE_SIGNALLING
  sps.setLog2MaxTbSize   ( m_log2MaxTbSize );
#endif
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  for (uint32_t channelType = 0; channelType < MAX_NUM_CHANNEL_TYPE; channelType++)
  {
    sps.setBitDepth      (ChannelType(channelType), m_bitDepth[channelType] );
    sps.setQpBDOffset  (ChannelType(channelType), (6 * (m_bitDepth[channelType] - 8)));
    sps.setPCMBitDepth (ChannelType(channelType), m_PCMBitDepth[channelType]         );
  }

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  sps.setSAOEnabledFlag( m_bUseSAO );
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  sps.setMaxTLayers( m_maxTempLayer );
  sps.setTemporalIdNestingFlag( ( m_maxTempLayer == 1 ) ? true : false );

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  for (int i = 0; i < std::min(sps.getMaxTLayers(), (uint32_t) MAX_TLAYER); i++ )
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  {
    sps.setMaxDecPicBuffering(m_maxDecPicBuffering[i], i);
    sps.setNumReorderPics(m_numReorderPics[i], i);
  }

  sps.setPCMFilterDisableFlag  ( m_bPCMFilterDisableFlag );
  sps.setScalingListFlag ( (m_useScalingListId == SCALING_LIST_OFF) ? 0 : 1 );
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  sps.setALFEnabledFlag( m_alf );
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  sps.setVuiParametersPresentFlag(getVuiParametersPresentFlag());

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  if (sps.getVuiParametersPresentFlag())
  {
    VUI* pcVUI = sps.getVuiParameters();