/* 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.
 *
 * Copyright (c) 2010-2014, ITU/ISO/IEC
 * 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     TComSlice.cpp
    \brief    slice header and SPS class
*/

#include "CommonDef.h"
#include "TComSlice.h"
#include "TComPic.h"
#include "TLibEncoder/TEncSbac.h"
#include "TLibDecoder/TDecSbac.h"


//! \ingroup TLibCommon
//! \{

TComSlice::TComSlice()
: m_iPPSId                        ( -1 )
, m_iPOC                          ( 0 )
, m_iLastIDR                      ( 0 )
, m_eNalUnitType                  ( NAL_UNIT_CODED_SLICE_IDR_W_RADL )
, m_eSliceType                    ( I_SLICE )
, m_iSliceQp                      ( 0 )
, m_dependentSliceSegmentFlag     ( false )
#if ADAPTIVE_QP_SELECTION
, m_iSliceQpBase                  ( 0 )
#endif
, m_ChromaQpAdjEnabled            ( false )
, m_deblockingFilterDisable       ( false )
, m_deblockingFilterOverrideFlag  ( false )
, m_deblockingFilterBetaOffsetDiv2( 0 )
, m_deblockingFilterTcOffsetDiv2  ( 0 )
, m_bCheckLDC                     ( false )
, m_iSliceQpDelta                 ( 0 )
, m_iDepth                        ( 0 )
, m_bRefenced                     ( false )
, m_pcSPS                         ( NULL )
, m_pcPPS                         ( NULL )
, m_pcPic                         ( NULL )
, m_colFromL0Flag                 ( 1 )
#if SETTING_NO_OUT_PIC_PRIOR
, m_noOutputPriorPicsFlag         ( false )
, m_noRaslOutputFlag              ( false )
, m_handleCraAsBlaFlag              ( false )
#endif
, m_colRefIdx                     ( 0 )
, m_uiTLayer                      ( 0 )
, m_bTLayerSwitchingFlag          ( false )
, m_sliceMode                     ( 0 )
, m_sliceArgument                 ( 0 )
, m_sliceCurStartCUAddr           ( 0 )
, m_sliceCurEndCUAddr             ( 0 )
, m_sliceIdx                      ( 0 )
, m_sliceSegmentMode              ( 0 )
, m_sliceSegmentArgument          ( 0 )
, m_sliceSegmentCurStartCUAddr    ( 0 )
, m_sliceSegmentCurEndCUAddr      ( 0 )
, m_nextSlice                     ( false )
, m_nextSliceSegment              ( false )
, m_sliceBits                     ( 0 )
, m_sliceSegmentBits              ( 0 )
, m_bFinalized                    ( false )
, m_uiTileOffstForMultES          ( 0 )
, m_puiSubstreamSizes             ( NULL )
, m_cabacInitFlag                 ( false )
, m_bLMvdL1Zero                   ( false )
, m_numEntryPointOffsets          ( 0 )
, m_temporalLayerNonReferenceFlag ( false )
, m_enableTMVPFlag                ( true )
#if ITRI_MULTI_SAMPLE_MODE
, m_bApplytwoSampleMode(false)
#endif
{
  for(UInt i=0; i<NUM_REF_PIC_LIST_01; i++)
  {
    m_aiNumRefIdx[i] = 0;
  }

  for (UInt component = 0; component < MAX_NUM_COMPONENT; component++)
  {
    m_lambdas            [component] = 0.0;
    m_iSliceChromaQpDelta[component] = 0;
  }

  initEqualRef();

  for ( Int idx = 0; idx < MAX_NUM_REF; idx++ )
  {
    m_list1IdxToList0Idx[idx] = -1;
  }

  for(Int iNumCount = 0; iNumCount < MAX_NUM_REF; iNumCount++)
  {
    for(UInt i=0; i<NUM_REF_PIC_LIST_01; i++)
    {
      m_apcRefPicList [i][iNumCount] = NULL;
      m_aiRefPOCList  [i][iNumCount] = 0;
    }
  }

  resetWpScaling();
  initWpAcDcParam();

  for(Int ch=0; ch < MAX_NUM_CHANNEL_TYPE; ch++)
  {
    m_saoEnabledFlag[ch] = false;
  }
}

TComSlice::~TComSlice()
{
  delete[] m_puiSubstreamSizes;
  m_puiSubstreamSizes = NULL;
}


Void TComSlice::initSlice()
{
  for(UInt i=0; i<NUM_REF_PIC_LIST_01; i++)
  {
    m_aiNumRefIdx[i]      = 0;
  }
  m_colFromL0Flag = 1;

  m_colRefIdx = 0;
  initEqualRef();

  m_bCheckLDC = false;

  for (UInt component = 0; component < MAX_NUM_COMPONENT; component++) m_iSliceChromaQpDelta[component] = 0;

  m_maxNumMergeCand = MRG_MAX_NUM_CANDS;

  m_bFinalized=false;

  m_tileByteLocation.clear();
  m_cabacInitFlag        = false;
  m_numEntryPointOffsets = 0;
  m_enableTMVPFlag = true;
}

Bool TComSlice::getRapPicFlag()
{
  return getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_W_RADL
      || getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_N_LP
      || getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_N_LP
      || getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_RADL
      || getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_LP
      || getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA;
}


/**
 - allocate table to contain substream sizes to be written to the slice header.
 .
 \param uiNumSubstreams Number of substreams -- the allocation will be this value - 1.
 */
Void  TComSlice::allocSubstreamSizes(UInt uiNumSubstreams)
{
  delete[] m_puiSubstreamSizes;
  m_puiSubstreamSizes = new UInt[uiNumSubstreams > 0 ? uiNumSubstreams-1 : 0];
}

Void  TComSlice::sortPicList        (TComList<TComPic*>& rcListPic)
{
  TComPic*    pcPicExtract;
  TComPic*    pcPicInsert;

  TComList<TComPic*>::iterator    iterPicExtract;
  TComList<TComPic*>::iterator    iterPicExtract_1;
  TComList<TComPic*>::iterator    iterPicInsert;

  for (Int i = 1; i < (Int)(rcListPic.size()); i++)
  {
    iterPicExtract = rcListPic.begin();
    for (Int j = 0; j < i; j++) iterPicExtract++;
    pcPicExtract = *(iterPicExtract);
    pcPicExtract->setCurrSliceIdx(0);

    iterPicInsert = rcListPic.begin();
    while (iterPicInsert != iterPicExtract)
    {
      pcPicInsert = *(iterPicInsert);
      pcPicInsert->setCurrSliceIdx(0);
      if (pcPicInsert->getPOC() >= pcPicExtract->getPOC())
      {
        break;
      }

      iterPicInsert++;
    }

    iterPicExtract_1 = iterPicExtract;    iterPicExtract_1++;

    //  swap iterPicExtract and iterPicInsert, iterPicExtract = curr. / iterPicInsert = insertion position
    rcListPic.insert (iterPicInsert, iterPicExtract, iterPicExtract_1);
    rcListPic.erase  (iterPicExtract);
  }
}

TComPic* TComSlice::xGetRefPic (TComList<TComPic*>& rcListPic, Int poc)
{
  TComList<TComPic*>::iterator  iterPic = rcListPic.begin();
  TComPic*                      pcPic = *(iterPic);
  while ( iterPic != rcListPic.end() )
  {
    if(pcPic->getPOC() == poc)
    {
      break;
    }
    iterPic++;
    pcPic = *(iterPic);
  }
  return  pcPic;
}


TComPic* TComSlice::xGetLongTermRefPic(TComList<TComPic*>& rcListPic, Int poc, Bool pocHasMsb)
{
  TComList<TComPic*>::iterator  iterPic = rcListPic.begin();
  TComPic*                      pcPic = *(iterPic);
  TComPic*                      pcStPic = pcPic;

  Int pocCycle = 1 << getSPS()->getBitsForPOC();
  if (!pocHasMsb)
  {
    poc = poc & (pocCycle - 1);
  }

  while ( iterPic != rcListPic.end() )
  {
    pcPic = *(iterPic);
    if (pcPic && pcPic->getPOC()!=this->getPOC() && pcPic->getSlice( 0 )->isReferenced())
    {
      Int picPoc = pcPic->getPOC();
      if (!pocHasMsb)
      {
        picPoc = picPoc & (pocCycle - 1);
      }

      if (poc == picPoc)
      {
        if(pcPic->getIsLongTerm())
        {
          return pcPic;
        }
        else
        {
          pcStPic = pcPic;
        }
        break;
      }
    }

    iterPic++;
  }

  return  pcStPic;
}

Void TComSlice::setRefPOCList       ()
{
  for (Int iDir = 0; iDir < NUM_REF_PIC_LIST_01; iDir++)
  {
    for (Int iNumRefIdx = 0; iNumRefIdx < m_aiNumRefIdx[iDir]; iNumRefIdx++)
    {
      m_aiRefPOCList[iDir][iNumRefIdx] = m_apcRefPicList[iDir][iNumRefIdx]->getPOC();
    }
  }

}

Void TComSlice::setList1IdxToList0Idx()
{
  Int idxL0, idxL1;
  for ( idxL1 = 0; idxL1 < getNumRefIdx( REF_PIC_LIST_1 ); idxL1++ )
  {
    m_list1IdxToList0Idx[idxL1] = -1;
    for ( idxL0 = 0; idxL0 < getNumRefIdx( REF_PIC_LIST_0 ); idxL0++ )
    {
      if ( m_apcRefPicList[REF_PIC_LIST_0][idxL0]->getPOC() == m_apcRefPicList[REF_PIC_LIST_1][idxL1]->getPOC() )
      {
        m_list1IdxToList0Idx[idxL1] = idxL0;
        break;
      }
    }
  }
}

Void TComSlice::setRefPicList( TComList<TComPic*>& rcListPic, Bool checkNumPocTotalCurr )
{
  if (!checkNumPocTotalCurr)
  {
    if (m_eSliceType == I_SLICE)
    {
      ::memset( m_apcRefPicList, 0, sizeof (m_apcRefPicList));
      ::memset( m_aiNumRefIdx,   0, sizeof ( m_aiNumRefIdx ));

      return;
    }

    m_aiNumRefIdx[REF_PIC_LIST_0] = getNumRefIdx(REF_PIC_LIST_0);
    m_aiNumRefIdx[REF_PIC_LIST_1] = getNumRefIdx(REF_PIC_LIST_1);
  }

  TComPic*  pcRefPic= NULL;
  static const UInt MAX_NUM_NEGATIVE_PICTURES=16;
  TComPic*  RefPicSetStCurr0[MAX_NUM_NEGATIVE_PICTURES];
  TComPic*  RefPicSetStCurr1[MAX_NUM_NEGATIVE_PICTURES];
  TComPic*  RefPicSetLtCurr[MAX_NUM_NEGATIVE_PICTURES];
  UInt NumPocStCurr0 = 0;
  UInt NumPocStCurr1 = 0;
  UInt NumPocLtCurr = 0;
  Int i;

  for(i=0; i < m_pcRPS->getNumberOfNegativePictures(); i++)
  {
    if(m_pcRPS->getUsed(i))
    {
      pcRefPic = xGetRefPic(rcListPic, getPOC()+m_pcRPS->getDeltaPOC(i));
      pcRefPic->setIsLongTerm(0);
      pcRefPic->getPicYuvRec()->extendPicBorder();
      RefPicSetStCurr0[NumPocStCurr0] = pcRefPic;
      NumPocStCurr0++;
      pcRefPic->setCheckLTMSBPresent(false);
    }
  }

  for(; i < m_pcRPS->getNumberOfNegativePictures()+m_pcRPS->getNumberOfPositivePictures(); i++)
  {
    if(m_pcRPS->getUsed(i))
    {
      pcRefPic = xGetRefPic(rcListPic, getPOC()+m_pcRPS->getDeltaPOC(i));
      pcRefPic->setIsLongTerm(0);
      pcRefPic->getPicYuvRec()->extendPicBorder();
      RefPicSetStCurr1[NumPocStCurr1] = pcRefPic;
      NumPocStCurr1++;
      pcRefPic->setCheckLTMSBPresent(false);
    }
  }

  for(i = m_pcRPS->getNumberOfNegativePictures()+m_pcRPS->getNumberOfPositivePictures()+m_pcRPS->getNumberOfLongtermPictures()-1; i > m_pcRPS->getNumberOfNegativePictures()+m_pcRPS->getNumberOfPositivePictures()-1 ; i--)
  {
    if(m_pcRPS->getUsed(i))
    {
      pcRefPic = xGetLongTermRefPic(rcListPic, m_pcRPS->getPOC(i), m_pcRPS->getCheckLTMSBPresent(i));
      pcRefPic->setIsLongTerm(1);
      pcRefPic->getPicYuvRec()->extendPicBorder();
      RefPicSetLtCurr[NumPocLtCurr] = pcRefPic;
      NumPocLtCurr++;
    }
    if(pcRefPic==NULL)
    {
      pcRefPic = xGetLongTermRefPic(rcListPic, m_pcRPS->getPOC(i), m_pcRPS->getCheckLTMSBPresent(i));
    }
    pcRefPic->setCheckLTMSBPresent(m_pcRPS->getCheckLTMSBPresent(i));
  }

  // ref_pic_list_init
  TComPic*  rpsCurrList0[MAX_NUM_REF+1];
  TComPic*  rpsCurrList1[MAX_NUM_REF+1];
  Int numPocTotalCurr = NumPocStCurr0 + NumPocStCurr1 + NumPocLtCurr;

  if (checkNumPocTotalCurr)
  {
    // The variable NumPocTotalCurr is derived as specified in subclause 7.4.7.2. It is a requirement of bitstream conformance that the following applies to the value of NumPocTotalCurr:
    // - If the current picture is a BLA or CRA picture, the value of NumPocTotalCurr shall be equal to 0.
    // - Otherwise, when the current picture contains a P or B slice, the value of NumPocTotalCurr shall not be equal to 0.
    if (getRapPicFlag())
    {
      assert(numPocTotalCurr == 0);
    }

    if (m_eSliceType == I_SLICE)
    {
      ::memset( m_apcRefPicList, 0, sizeof (m_apcRefPicList));
      ::memset( m_aiNumRefIdx,   0, sizeof ( m_aiNumRefIdx ));

      return;
    }

    assert(numPocTotalCurr > 0);

    m_aiNumRefIdx[0] = getNumRefIdx(REF_PIC_LIST_0);
    m_aiNumRefIdx[1] = getNumRefIdx(REF_PIC_LIST_1);
  }

  Int cIdx = 0;
  for ( i=0; i<NumPocStCurr0; i++, cIdx++)
  {
    rpsCurrList0[cIdx] = RefPicSetStCurr0[i];
  }
  for ( i=0; i<NumPocStCurr1; i++, cIdx++)
  {
    rpsCurrList0[cIdx] = RefPicSetStCurr1[i];
  }
  for ( i=0; i<NumPocLtCurr;  i++, cIdx++)
  {
    rpsCurrList0[cIdx] = RefPicSetLtCurr[i];
  }
  assert(cIdx == numPocTotalCurr);

  if (m_eSliceType==B_SLICE)
  {
    cIdx = 0;
    for ( i=0; i<NumPocStCurr1; i++, cIdx++)
    {
      rpsCurrList1[cIdx] = RefPicSetStCurr1[i];
    }
    for ( i=0; i<NumPocStCurr0; i++, cIdx++)
    {
      rpsCurrList1[cIdx] = RefPicSetStCurr0[i];
    }
    for ( i=0; i<NumPocLtCurr;  i++, cIdx++)
    {
      rpsCurrList1[cIdx] = RefPicSetLtCurr[i];
    }
    assert(cIdx == numPocTotalCurr);
  }

  ::memset(m_bIsUsedAsLongTerm, 0, sizeof(m_bIsUsedAsLongTerm));

  for (Int rIdx = 0; rIdx < m_aiNumRefIdx[REF_PIC_LIST_0]; rIdx ++)
  {
    cIdx = m_RefPicListModification.getRefPicListModificationFlagL0() ? m_RefPicListModification.getRefPicSetIdxL0(rIdx) : rIdx % numPocTotalCurr;
    assert(cIdx >= 0 && cIdx < numPocTotalCurr);
    m_apcRefPicList[REF_PIC_LIST_0][rIdx] = rpsCurrList0[ cIdx ];
    m_bIsUsedAsLongTerm[REF_PIC_LIST_0][rIdx] = ( cIdx >= NumPocStCurr0 + NumPocStCurr1 );
  }
  if ( m_eSliceType != B_SLICE )
  {
    m_aiNumRefIdx[REF_PIC_LIST_1] = 0;
    ::memset( m_apcRefPicList[REF_PIC_LIST_1], 0, sizeof(m_apcRefPicList[REF_PIC_LIST_1]));
  }
  else
  {
    for (Int rIdx = 0; rIdx < m_aiNumRefIdx[REF_PIC_LIST_1]; rIdx ++)
    {
      cIdx = m_RefPicListModification.getRefPicListModificationFlagL1() ? m_RefPicListModification.getRefPicSetIdxL1(rIdx) : rIdx % numPocTotalCurr;
      assert(cIdx >= 0 && cIdx < numPocTotalCurr);
      m_apcRefPicList[REF_PIC_LIST_1][rIdx] = rpsCurrList1[ cIdx ];
      m_bIsUsedAsLongTerm[REF_PIC_LIST_1][rIdx] = ( cIdx >= NumPocStCurr0 + NumPocStCurr1 );
    }
  }
}

Int TComSlice::getNumRpsCurrTempList()
{
  Int numRpsCurrTempList = 0;

  if (m_eSliceType == I_SLICE)
  {
    return 0;
  }
  for(UInt i=0; i < m_pcRPS->getNumberOfNegativePictures()+ m_pcRPS->getNumberOfPositivePictures() + m_pcRPS->getNumberOfLongtermPictures(); i++)
  {
    if(m_pcRPS->getUsed(i))
    {
      numRpsCurrTempList++;
    }
  }
  return numRpsCurrTempList;
}

Void TComSlice::initEqualRef()
{
  for (Int iDir = 0; iDir < NUM_REF_PIC_LIST_01; iDir++)
  {
    for (Int iRefIdx1 = 0; iRefIdx1 < MAX_NUM_REF; iRefIdx1++)
    {
      for (Int iRefIdx2 = iRefIdx1; iRefIdx2 < MAX_NUM_REF; iRefIdx2++)
      {
        m_abEqualRef[iDir][iRefIdx1][iRefIdx2] = m_abEqualRef[iDir][iRefIdx2][iRefIdx1] = (iRefIdx1 == iRefIdx2? true : false);
      }
    }
  }
}

Void TComSlice::checkColRefIdx(UInt curSliceIdx, TComPic* pic)
{
  Int i;
  TComSlice* curSlice = pic->getSlice(curSliceIdx);
  Int currColRefPOC =  curSlice->getRefPOC( RefPicList(1 - curSlice->getColFromL0Flag()), curSlice->getColRefIdx());
  TComSlice* preSlice;
  Int preColRefPOC;
  for(i=curSliceIdx-1; i>=0; i--)
  {
    preSlice = pic->getSlice(i);
    if(preSlice->getSliceType() != I_SLICE)
    {
      preColRefPOC  = preSlice->getRefPOC( RefPicList(1 - preSlice->getColFromL0Flag()), preSlice->getColRefIdx());
      if(currColRefPOC != preColRefPOC)
      {
        printf("Collocated_ref_idx shall always be the same for all slices of a coded picture!\n");
        exit(EXIT_FAILURE);
      }
      else
      {
        break;
      }
    }
  }
}

Void TComSlice::checkCRA(TComReferencePictureSet *pReferencePictureSet, Int& pocCRA, NalUnitType& associatedIRAPType, TComList<TComPic *>& rcListPic)
{
  for(Int i = 0; i < pReferencePictureSet->getNumberOfNegativePictures()+pReferencePictureSet->getNumberOfPositivePictures(); i++)
  {
    if(pocCRA < MAX_UINT && getPOC() > pocCRA)
    {
      assert(getPOC()+pReferencePictureSet->getDeltaPOC(i) >= pocCRA);
    }
  }
  for(Int i = pReferencePictureSet->getNumberOfNegativePictures()+pReferencePictureSet->getNumberOfPositivePictures(); i < pReferencePictureSet->getNumberOfPictures(); i++)
  {
    if(pocCRA < MAX_UINT && getPOC() > pocCRA)
    {
      if (!pReferencePictureSet->getCheckLTMSBPresent(i))
      {
        assert(xGetLongTermRefPic(rcListPic, pReferencePictureSet->getPOC(i), false)->getPOC() >= pocCRA);
      }
      else
      {
        assert(pReferencePictureSet->getPOC(i) >= pocCRA);
      }
    }
  }
  if ( getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_W_RADL || getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_N_LP ) // IDR picture found
  {
    pocCRA = getPOC();
    associatedIRAPType = getNalUnitType();
  }
  else if ( getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA ) // CRA picture found
  {
    pocCRA = getPOC();
    associatedIRAPType = getNalUnitType();
  }
  else if ( getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_LP
         || getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_RADL
         || getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_N_LP ) // BLA picture found
  {
    pocCRA = getPOC();
    associatedIRAPType = getNalUnitType();
  }
}

/** Function for marking the reference pictures when an IDR/CRA/CRANT/BLA/BLANT is encountered.
 * \param pocCRA POC of the CRA/CRANT/BLA/BLANT picture
 * \param bRefreshPending flag indicating if a deferred decoding refresh is pending
 * \param rcListPic reference to the reference picture list
 * This function marks the reference pictures as "unused for reference" in the following conditions.
 * If the nal_unit_type is IDR/BLA/BLANT, all pictures in the reference picture list
 * are marked as "unused for reference"
 *    If the nal_unit_type is BLA/BLANT, set the pocCRA to the temporal reference of the current picture.
 * Otherwise
 *    If the bRefreshPending flag is true (a deferred decoding refresh is pending) and the current
 *    temporal reference is greater than the temporal reference of the latest CRA/CRANT/BLA/BLANT picture (pocCRA),
 *    mark all reference pictures except the latest CRA/CRANT/BLA/BLANT picture as "unused for reference" and set
 *    the bRefreshPending flag to false.
 *    If the nal_unit_type is CRA/CRANT, set the bRefreshPending flag to true and pocCRA to the temporal
 *    reference of the current picture.
 * Note that the current picture is already placed in the reference list and its marking is not changed.
 * If the current picture has a nal_ref_idc that is not 0, it will remain marked as "used for reference".
 */
Void TComSlice::decodingRefreshMarking(Int& pocCRA, Bool& bRefreshPending, TComList<TComPic*>& rcListPic)
{
  TComPic* rpcPic;
#if !FIX1172
  setAssociatedIRAPPOC(pocCRA);
#endif
  Int      pocCurr = getPOC();

  if ( getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_LP
    || getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_RADL
    || getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_N_LP
    || getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_W_RADL
    || getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_N_LP )  // IDR or BLA picture
  {
    // mark all pictures as not used for reference
    TComList<TComPic*>::iterator        iterPic       = rcListPic.begin();
    while (iterPic != rcListPic.end())
    {
      rpcPic = *(iterPic);
      rpcPic->setCurrSliceIdx(0);

      if (rpcPic->getPOC() != pocCurr)
      {
        rpcPic->getSlice(0)->setReferenced(false);
        rpcPic->getHashMap()->clearAll();
      }
      iterPic++;
    }
    if ( getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_LP
      || getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_RADL
      || getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_N_LP )
    {
      pocCRA = pocCurr;
    }
#if EFFICIENT_FIELD_IRAP
    bRefreshPending = true;
#endif
  }
  else // CRA or No DR
  {
#if EFFICIENT_FIELD_IRAP
    if(getAssociatedIRAPType() == NAL_UNIT_CODED_SLICE_IDR_N_LP || getAssociatedIRAPType() == NAL_UNIT_CODED_SLICE_IDR_W_RADL)
    {
      if (bRefreshPending==true && pocCurr > m_iLastIDR) // IDR reference marking pending 
      {
        TComList<TComPic*>::iterator        iterPic       = rcListPic.begin();
        while (iterPic != rcListPic.end())
        {
          rpcPic = *(iterPic);
          if (rpcPic->getPOC() != pocCurr && rpcPic->getPOC() != m_iLastIDR)
          {
            rpcPic->getSlice(0)->setReferenced(false);
            rpcPic->getHashMap()->clearAll();
          }
          iterPic++;
        }
        bRefreshPending = false; 
      }
    }
    else
    {
#endif
      if (bRefreshPending==true && pocCurr > pocCRA) // CRA reference marking pending
      {
        TComList<TComPic*>::iterator iterPic = rcListPic.begin();
        while (iterPic != rcListPic.end())
        {
          rpcPic = *(iterPic);
          if (rpcPic->getPOC() != pocCurr && rpcPic->getPOC() != pocCRA)
          {
            rpcPic->getSlice(0)->setReferenced(false);
            rpcPic->getHashMap()->clearAll();
          }
          iterPic++;
        }
        bRefreshPending = false;
      }
#if EFFICIENT_FIELD_IRAP
    }
#endif
    if ( getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA ) // CRA picture found
    {
      bRefreshPending = true;
      pocCRA = pocCurr;
    }
  }
}

Void TComSlice::copySliceInfo(TComSlice *pSrc)
{
  assert( pSrc != NULL );

  Int i, j, k;

  m_iPOC                 = pSrc->m_iPOC;
  m_eNalUnitType         = pSrc->m_eNalUnitType;
  m_eSliceType           = pSrc->m_eSliceType;
  m_iSliceQp             = pSrc->m_iSliceQp;
#if ADAPTIVE_QP_SELECTION
  m_iSliceQpBase         = pSrc->m_iSliceQpBase;
#endif
  m_ChromaQpAdjEnabled = pSrc->m_ChromaQpAdjEnabled;
  m_deblockingFilterDisable   = pSrc->m_deblockingFilterDisable;
  m_deblockingFilterOverrideFlag = pSrc->m_deblockingFilterOverrideFlag;
  m_deblockingFilterBetaOffsetDiv2 = pSrc->m_deblockingFilterBetaOffsetDiv2;
  m_deblockingFilterTcOffsetDiv2 = pSrc->m_deblockingFilterTcOffsetDiv2;

  for (i = 0; i < NUM_REF_PIC_LIST_01; i++)
  {
    m_aiNumRefIdx[i]     = pSrc->m_aiNumRefIdx[i];
  }

  for (i = 0; i < MAX_NUM_REF; i++)
  {
    m_list1IdxToList0Idx[i] = pSrc->m_list1IdxToList0Idx[i];
  }

  m_bCheckLDC             = pSrc->m_bCheckLDC;
  m_iSliceQpDelta        = pSrc->m_iSliceQpDelta;
  for (UInt component = 0; component < MAX_NUM_COMPONENT; component++) m_iSliceChromaQpDelta[component] = pSrc->m_iSliceChromaQpDelta[component];
  for (i = 0; i < NUM_REF_PIC_LIST_01; i++)
  {
    for (j = 0; j < MAX_NUM_REF; j++)
    {
      m_apcRefPicList[i][j]  = pSrc->m_apcRefPicList[i][j];
      m_aiRefPOCList[i][j]   = pSrc->m_aiRefPOCList[i][j];
      m_bIsUsedAsLongTerm[i][j] = pSrc->m_bIsUsedAsLongTerm[i][j];
    }
    m_bIsUsedAsLongTerm[i][MAX_NUM_REF] = pSrc->m_bIsUsedAsLongTerm[i][MAX_NUM_REF];
  }
  m_iDepth               = pSrc->m_iDepth;

  // referenced slice
  m_bRefenced            = pSrc->m_bRefenced;

  // access channel
  m_pcSPS                = pSrc->m_pcSPS;
  m_pcPPS                = pSrc->m_pcPPS;
  m_pcRPS                = pSrc->m_pcRPS;
  m_iLastIDR             = pSrc->m_iLastIDR;

  m_pcPic                = pSrc->m_pcPic;

  m_colFromL0Flag        = pSrc->m_colFromL0Flag;
  m_colRefIdx            = pSrc->m_colRefIdx;

  setLambdas(pSrc->getLambdas());

  for (i = 0; i < NUM_REF_PIC_LIST_01; i++)
  {
    for (j = 0; j < MAX_NUM_REF; j++)
    {
      for (k =0; k < MAX_NUM_REF; k++)
      {
        m_abEqualRef[i][j][k] = pSrc->m_abEqualRef[i][j][k];
      }
    }
  }

  m_uiTLayer                      = pSrc->m_uiTLayer;
  m_bTLayerSwitchingFlag          = pSrc->m_bTLayerSwitchingFlag;

  m_sliceMode                     = pSrc->m_sliceMode;
  m_sliceArgument                 = pSrc->m_sliceArgument;
  m_sliceCurStartCUAddr           = pSrc->m_sliceCurStartCUAddr;
  m_sliceCurEndCUAddr             = pSrc->m_sliceCurEndCUAddr;
  m_sliceIdx                      = pSrc->m_sliceIdx;
  m_sliceSegmentMode              = pSrc->m_sliceSegmentMode;
  m_sliceSegmentArgument          = pSrc->m_sliceSegmentArgument;
  m_sliceSegmentCurStartCUAddr    = pSrc->m_sliceSegmentCurStartCUAddr;
  m_sliceSegmentCurEndCUAddr      = pSrc->m_sliceSegmentCurEndCUAddr;
  m_nextSlice                     = pSrc->m_nextSlice;
  m_nextSliceSegment              = pSrc->m_nextSliceSegment;

  for ( UInt e=0 ; e<NUM_REF_PIC_LIST_01 ; e++ )
  {
    for ( UInt n=0 ; n<MAX_NUM_REF ; n++ )
    {
      memcpy(m_weightPredTable[e][n], pSrc->m_weightPredTable[e][n], sizeof(WPScalingParam)*MAX_NUM_COMPONENT );
    }
  }

  for( UInt ch = 0 ; ch < MAX_NUM_CHANNEL_TYPE; ch++)
  {
    m_saoEnabledFlag[ch] = pSrc->m_saoEnabledFlag[ch];
  }

  m_cabacInitFlag                = pSrc->m_cabacInitFlag;
  m_numEntryPointOffsets  = pSrc->m_numEntryPointOffsets;

  m_bLMvdL1Zero = pSrc->m_bLMvdL1Zero;
  m_LFCrossSliceBoundaryFlag = pSrc->m_LFCrossSliceBoundaryFlag;
  m_enableTMVPFlag                = pSrc->m_enableTMVPFlag;
  m_maxNumMergeCand               = pSrc->m_maxNumMergeCand;
#if ITRI_MULTI_SAMPLE_MODE
  m_bApplytwoSampleMode = pSrc->m_bApplytwoSampleMode;
#endif
}


Int TComSlice::m_prevTid0POC = 0;

/** Function for setting the slice's temporal layer ID and corresponding temporal_layer_switching_point_flag.
 * \param uiTLayer Temporal layer ID of the current slice
 * The decoder calls this function to set temporal_layer_switching_point_flag for each temporal layer based on
 * the SPS's temporal_id_nesting_flag and the parsed PPS.  Then, current slice's temporal layer ID and
 * temporal_layer_switching_point_flag is set accordingly.
 */
Void TComSlice::setTLayerInfo( UInt uiTLayer )
{
  m_uiTLayer = uiTLayer;
}

/** Function for checking if this is a switching-point
*/
Bool TComSlice::isTemporalLayerSwitchingPoint(TComList<TComPic*>& rcListPic)
{
  TComPic* rpcPic;
  // loop through all pictures in the reference picture buffer
  TComList<TComPic*>::iterator iterPic = rcListPic.begin();
  while ( iterPic != rcListPic.end())
  {
    rpcPic = *(iterPic++);
    if(rpcPic->getSlice(0)->isReferenced() && rpcPic->getPOC() != getPOC())
    {
      if(rpcPic->getTLayer() >= getTLayer())
      {
        return false;
      }
    }
  }
  return true;
}

/** Function for checking if this is a STSA candidate
 */
Bool TComSlice::isStepwiseTemporalLayerSwitchingPointCandidate(TComList<TComPic*>& rcListPic)
{
  TComPic* rpcPic;

  TComList<TComPic*>::iterator iterPic = rcListPic.begin();
  while ( iterPic != rcListPic.end())
  {
    rpcPic = *(iterPic++);
    if(rpcPic->getSlice(0)->isReferenced() &&  (rpcPic->getUsedByCurr()==true) && rpcPic->getPOC() != getPOC())
    {
      if(rpcPic->getTLayer() >= getTLayer())
      {
        return false;
      }
    }
  }
  return true;
}


Void TComSlice::checkLeadingPictureRestrictions(TComList<TComPic*>& rcListPic)
{
  TComPic* rpcPic;

  Int nalUnitType = this->getNalUnitType();

  // When a picture is a leading picture, it shall be a RADL or RASL picture.
  if(this->getAssociatedIRAPPOC() > this->getPOC())
  {
    // Do not check IRAP pictures since they may get a POC lower than their associated IRAP
    if(nalUnitType < NAL_UNIT_CODED_SLICE_BLA_W_LP ||
       nalUnitType > NAL_UNIT_RESERVED_IRAP_VCL23)
    {
      assert(nalUnitType == NAL_UNIT_CODED_SLICE_RASL_N ||
             nalUnitType == NAL_UNIT_CODED_SLICE_RASL_R ||
             nalUnitType == NAL_UNIT_CODED_SLICE_RADL_N ||
             nalUnitType == NAL_UNIT_CODED_SLICE_RADL_R);
    }
  }

  // When a picture is a trailing picture, it shall not be a RADL or RASL picture.
  if(this->getAssociatedIRAPPOC() < this->getPOC())
  {
    assert(nalUnitType != NAL_UNIT_CODED_SLICE_RASL_N &&
           nalUnitType != NAL_UNIT_CODED_SLICE_RASL_R &&
           nalUnitType != NAL_UNIT_CODED_SLICE_RADL_N &&
           nalUnitType != NAL_UNIT_CODED_SLICE_RADL_R);
  }

  // No RASL pictures shall be present in the bitstream that are associated
  // with a BLA picture having nal_unit_type equal to BLA_W_RADL or BLA_N_LP.
  if(nalUnitType == NAL_UNIT_CODED_SLICE_RASL_N ||
     nalUnitType == NAL_UNIT_CODED_SLICE_RASL_R)
  {
    assert(this->getAssociatedIRAPType() != NAL_UNIT_CODED_SLICE_BLA_W_RADL &&
           this->getAssociatedIRAPType() != NAL_UNIT_CODED_SLICE_BLA_N_LP);
  }

  // No RASL pictures shall be present in the bitstream that are associated with
  // an IDR picture.
  if(nalUnitType == NAL_UNIT_CODED_SLICE_RASL_N ||
     nalUnitType == NAL_UNIT_CODED_SLICE_RASL_R)
  {
    assert(this->getAssociatedIRAPType() != NAL_UNIT_CODED_SLICE_IDR_N_LP   &&
           this->getAssociatedIRAPType() != NAL_UNIT_CODED_SLICE_IDR_W_RADL);
  }

  // No RADL pictures shall be present in the bitstream that are associated with
  // a BLA picture having nal_unit_type equal to BLA_N_LP or that are associated
  // with an IDR picture having nal_unit_type equal to IDR_N_LP.
  if(nalUnitType == NAL_UNIT_CODED_SLICE_RADL_N ||
     nalUnitType == NAL_UNIT_CODED_SLICE_RADL_R)
  {
    assert(this->getAssociatedIRAPType() != NAL_UNIT_CODED_SLICE_BLA_N_LP   &&
           this->getAssociatedIRAPType() != NAL_UNIT_CODED_SLICE_IDR_N_LP);
  }

  // loop through all pictures in the reference picture buffer
  TComList<TComPic*>::iterator iterPic = rcListPic.begin();
  while ( iterPic != rcListPic.end())
  {
    rpcPic = *(iterPic++);
#if BUGFIX_INTRAPERIOD
    if(!rpcPic->getReconMark())
    {
      continue;
    }
#endif
    if (rpcPic->getPOC() == this->getPOC())
    {
      continue;
    }

    // Any picture that has PicOutputFlag equal to 1 that precedes an IRAP picture
    // in decoding order shall precede the IRAP picture in output order.
    // (Note that any picture following in output order would be present in the DPB)
#if SETTING_NO_OUT_PIC_PRIOR
    if(rpcPic->getSlice(0)->getPicOutputFlag() == 1 && !this->getNoOutputPriorPicsFlag())
#else
    if(rpcPic->getSlice(0)->getPicOutputFlag() == 1)
#endif
    {
      if(nalUnitType == NAL_UNIT_CODED_SLICE_BLA_N_LP    ||
         nalUnitType == NAL_UNIT_CODED_SLICE_BLA_W_LP    ||
         nalUnitType == NAL_UNIT_CODED_SLICE_BLA_W_RADL  ||
         nalUnitType == NAL_UNIT_CODED_SLICE_CRA         ||
         nalUnitType == NAL_UNIT_CODED_SLICE_IDR_N_LP    ||
         nalUnitType == NAL_UNIT_CODED_SLICE_IDR_W_RADL)
      {
        assert(rpcPic->getPOC() < this->getPOC());
      }
    }

    // Any picture that has PicOutputFlag equal to 1 that precedes an IRAP picture
    // in decoding order shall precede any RADL picture associated with the IRAP
    // picture in output order.
    if(rpcPic->getSlice(0)->getPicOutputFlag() == 1)
    {
      if((nalUnitType == NAL_UNIT_CODED_SLICE_RADL_N ||
          nalUnitType == NAL_UNIT_CODED_SLICE_RADL_R))
      {
        // rpcPic precedes the IRAP in decoding order
        if(this->getAssociatedIRAPPOC() > rpcPic->getSlice(0)->getAssociatedIRAPPOC())
        {
          // rpcPic must not be the IRAP picture
          if(this->getAssociatedIRAPPOC() != rpcPic->getPOC())
          {
            assert(rpcPic->getPOC() < this->getPOC());
          }
        }
      }
    }

    // When a picture is a leading picture, it shall precede, in decoding order,
    // all trailing pictures that are associated with the same IRAP picture.
      if(nalUnitType == NAL_UNIT_CODED_SLICE_RASL_N ||
         nalUnitType == NAL_UNIT_CODED_SLICE_RASL_R ||
         nalUnitType == NAL_UNIT_CODED_SLICE_RADL_N ||
         nalUnitType == NAL_UNIT_CODED_SLICE_RADL_R)
      {
        if(rpcPic->getSlice(0)->getAssociatedIRAPPOC() == this->getAssociatedIRAPPOC())
        {
          // rpcPic is a picture that preceded the leading in decoding order since it exist in the DPB
          // rpcPic would violate the constraint if it was a trailing picture
          assert(rpcPic->getPOC() <= this->getAssociatedIRAPPOC());
        }
      }

    // Any RASL picture associated with a CRA or BLA picture shall precede any
    // RADL picture associated with the CRA or BLA picture in output order
    if(nalUnitType == NAL_UNIT_CODED_SLICE_RASL_N ||
       nalUnitType == NAL_UNIT_CODED_SLICE_RASL_R)
    {
      if((this->getAssociatedIRAPType() == NAL_UNIT_CODED_SLICE_BLA_N_LP   ||
          this->getAssociatedIRAPType() == NAL_UNIT_CODED_SLICE_BLA_W_LP   ||
          this->getAssociatedIRAPType() == NAL_UNIT_CODED_SLICE_BLA_W_RADL ||
          this->getAssociatedIRAPType() == NAL_UNIT_CODED_SLICE_CRA)       &&
          this->getAssociatedIRAPPOC() == rpcPic->getSlice(0)->getAssociatedIRAPPOC())
      {
        if(rpcPic->getSlice(0)->getNalUnitType() == NAL_UNIT_CODED_SLICE_RADL_N ||
           rpcPic->getSlice(0)->getNalUnitType() == NAL_UNIT_CODED_SLICE_RADL_R)
        {
          assert(rpcPic->getPOC() > this->getPOC());
        }
      }
    }

    // Any RASL picture associated with a CRA picture shall follow, in output
    // order, any IRAP picture that precedes the CRA picture in decoding order.
    if(nalUnitType == NAL_UNIT_CODED_SLICE_RASL_N ||
       nalUnitType == NAL_UNIT_CODED_SLICE_RASL_R)
    {
      if(this->getAssociatedIRAPType() == NAL_UNIT_CODED_SLICE_CRA)
      {
        if(rpcPic->getSlice(0)->getPOC() < this->getAssociatedIRAPPOC() &&
           (rpcPic->getSlice(0)->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_N_LP   ||
            rpcPic->getSlice(0)->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_LP   ||
            rpcPic->getSlice(0)->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_RADL ||
            rpcPic->getSlice(0)->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_N_LP   ||
            rpcPic->getSlice(0)->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_W_RADL ||
            rpcPic->getSlice(0)->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA))
        {
          assert(this->getPOC() > rpcPic->getSlice(0)->getPOC());
        }
      }
    }
  }
}



/** Function for applying picture marking based on the Reference Picture Set in pReferencePictureSet.
*/
Void TComSlice::applyReferencePictureSet( TComList<TComPic*>& rcListPic, TComReferencePictureSet *pReferencePictureSet)
{
  TComPic* rpcPic;
  Int i, isReference;

  checkLeadingPictureRestrictions(rcListPic);

  // loop through all pictures in the reference picture buffer
  TComList<TComPic*>::iterator iterPic = rcListPic.begin();
  while ( iterPic != rcListPic.end())
  {
    rpcPic = *(iterPic++);

    if(!rpcPic->getSlice( 0 )->isReferenced())
    {
      continue;
    }

    isReference = 0;
    // loop through all pictures in the Reference Picture Set
    // to see if the picture should be kept as reference picture
    for(i=0;i<pReferencePictureSet->getNumberOfPositivePictures()+pReferencePictureSet->getNumberOfNegativePictures();i++)
    {
      if(!rpcPic->getIsLongTerm() && rpcPic->getPicSym()->getSlice(0)->getPOC() == this->getPOC() + pReferencePictureSet->getDeltaPOC(i))
      {
        isReference = 1;
        rpcPic->setUsedByCurr(pReferencePictureSet->getUsed(i));
        rpcPic->setIsLongTerm(0);
      }
    }
    for(;i<pReferencePictureSet->getNumberOfPictures();i++)
    {
      if(pReferencePictureSet->getCheckLTMSBPresent(i)==true)
      {
        if(rpcPic->getIsLongTerm() && (rpcPic->getPicSym()->getSlice(0)->getPOC()) == pReferencePictureSet->getPOC(i))
        {
          isReference = 1;
          rpcPic->setUsedByCurr(pReferencePictureSet->getUsed(i));
        }
      }
      else
      {
        Int pocCycle = 1<<rpcPic->getPicSym()->getSlice(0)->getSPS()->getBitsForPOC();
        Int curPoc = rpcPic->getPicSym()->getSlice(0)->getPOC() & (pocCycle-1);
        Int refPoc = pReferencePictureSet->getPOC(i) & (pocCycle-1);
        if(rpcPic->getIsLongTerm() && curPoc == refPoc)
        {
          isReference = 1;
          rpcPic->setUsedByCurr(pReferencePictureSet->getUsed(i));
        }
      }

    }
    // mark the picture as "unused for reference" if it is not in
    // the Reference Picture Set
    if(rpcPic->getPicSym()->getSlice(0)->getPOC() != this->getPOC() && isReference == 0)
    {
      rpcPic->getSlice( 0 )->setReferenced( false );
      rpcPic->getHashMap()->clearAll();
      rpcPic->setUsedByCurr(0);
      rpcPic->setIsLongTerm(0);
    }
    //check that pictures of higher temporal layers are not used
    assert(rpcPic->getSlice( 0 )->isReferenced()==0||rpcPic->getUsedByCurr()==0||rpcPic->getTLayer()<=this->getTLayer());
    //check that pictures of higher or equal temporal layer are not in the RPS if the current picture is a TSA picture
    if(this->getNalUnitType() == NAL_UNIT_CODED_SLICE_TSA_R || this->getNalUnitType() == NAL_UNIT_CODED_SLICE_TSA_N)
    {
      assert(rpcPic->getSlice( 0 )->isReferenced()==0||rpcPic->getTLayer()<this->getTLayer());
    }
    //check that pictures marked as temporal layer non-reference pictures are not used for reference
    if(rpcPic->getPicSym()->getSlice(0)->getPOC() != this->getPOC() && rpcPic->getTLayer()==this->getTLayer())
    {
      assert(rpcPic->getSlice( 0 )->isReferenced()==0||rpcPic->getUsedByCurr()==0||rpcPic->getSlice( 0 )->getTemporalLayerNonReferenceFlag()==false);
    }
  }
}

/** Function for applying picture marking based on the Reference Picture Set in pReferencePictureSet.
*/
#if ALLOW_RECOVERY_POINT_AS_RAP
Int TComSlice::checkThatAllRefPicsAreAvailable( TComList<TComPic*>& rcListPic, TComReferencePictureSet *pReferencePictureSet, Bool printErrors, Int pocRandomAccess, Bool bUseRecoveryPoint)
#else
Int TComSlice::checkThatAllRefPicsAreAvailable( TComList<TComPic*>& rcListPic, TComReferencePictureSet *pReferencePictureSet, Bool printErrors, Int pocRandomAccess)
#endif
{
#if ALLOW_RECOVERY_POINT_AS_RAP
  Int atLeastOneUnabledByRecoveryPoint = 0;
  Int atLeastOneFlushedByPreviousIDR = 0;
#endif
  TComPic* rpcPic;
  Int i, isAvailable;
  Int atLeastOneLost = 0;
  Int atLeastOneRemoved = 0;
  Int iPocLost = 0;

  // loop through all long-term pictures in the Reference Picture Set
  // to see if the picture should be kept as reference picture
  for(i=pReferencePictureSet->getNumberOfNegativePictures()+pReferencePictureSet->getNumberOfPositivePictures();i<pReferencePictureSet->getNumberOfPictures();i++)
  {
    isAvailable = 0;
    // loop through all pictures in the reference picture buffer
    TComList<TComPic*>::iterator iterPic = rcListPic.begin();
    while ( iterPic != rcListPic.end())
    {
      rpcPic = *(iterPic++);
      if(pReferencePictureSet->getCheckLTMSBPresent(i)==true)
      {
        if(rpcPic->getIsLongTerm() && (rpcPic->getPicSym()->getSlice(0)->getPOC()) == pReferencePictureSet->getPOC(i) && rpcPic->getSlice(0)->isReferenced())
        {
#if ALLOW_RECOVERY_POINT_AS_RAP
          if(bUseRecoveryPoint && this->getPOC() > pocRandomAccess && this->getPOC() + pReferencePictureSet->getDeltaPOC(i) < pocRandomAccess)
          {
            isAvailable = 0;
          }
          else
          {
            isAvailable = 1;
          }
#else
          isAvailable = 1;
#endif
        }
      }
      else
      {
        Int pocCycle = 1<<rpcPic->getPicSym()->getSlice(0)->getSPS()->getBitsForPOC();
        Int curPoc = rpcPic->getPicSym()->getSlice(0)->getPOC() & (pocCycle-1);
        Int refPoc = pReferencePictureSet->getPOC(i) & (pocCycle-1);
        if(rpcPic->getIsLongTerm() && curPoc == refPoc && rpcPic->getSlice(0)->isReferenced())
        {
#if ALLOW_RECOVERY_POINT_AS_RAP
          if(bUseRecoveryPoint && this->getPOC() > pocRandomAccess && this->getPOC() + pReferencePictureSet->getDeltaPOC(i) < pocRandomAccess)
          {
            isAvailable = 0;
          }
          else
          {
            isAvailable = 1;
          }
#else
          isAvailable = 1;
#endif
        }
      }
    }
    // if there was no such long-term check the short terms
    if(!isAvailable)
    {
      iterPic = rcListPic.begin();
      while ( iterPic != rcListPic.end())
      {
        rpcPic = *(iterPic++);

        Int pocCycle = 1 << rpcPic->getPicSym()->getSlice(0)->getSPS()->getBitsForPOC();
        Int curPoc = rpcPic->getPicSym()->getSlice(0)->getPOC();
        Int refPoc = pReferencePictureSet->getPOC(i);
        if (!pReferencePictureSet->getCheckLTMSBPresent(i))
        {
          curPoc = curPoc & (pocCycle - 1);
          refPoc = refPoc & (pocCycle - 1);
        }

        if (rpcPic->getSlice(0)->isReferenced() && curPoc == refPoc)
        {
#if ALLOW_RECOVERY_POINT_AS_RAP
          if(bUseRecoveryPoint && this->getPOC() > pocRandomAccess && this->getPOC() + pReferencePictureSet->getDeltaPOC(i) < pocRandomAccess)
          {
            isAvailable = 0;
          }
          else
          {
            isAvailable = 1;
            rpcPic->setIsLongTerm(1);
            break;
          }
#else
          isAvailable = 1;
          rpcPic->setIsLongTerm(1);
          break;
#endif
        }
      }
    }
    // report that a picture is lost if it is in the Reference Picture Set
    // but not available as reference picture
    if(isAvailable == 0)
    {
      if (this->getPOC() + pReferencePictureSet->getDeltaPOC(i) >= pocRandomAccess)
      {
        if(!pReferencePictureSet->getUsed(i) )
        {
          if(printErrors)
          {
            printf("\nLong-term reference picture with POC = %3d seems to have been removed or not correctly decoded.", this->getPOC() + pReferencePictureSet->getDeltaPOC(i));
          }
          atLeastOneRemoved = 1;
        }
        else
        {
          if(printErrors)
          {
            printf("\nLong-term reference picture with POC = %3d is lost or not correctly decoded!", this->getPOC() + pReferencePictureSet->getDeltaPOC(i));
          }
          atLeastOneLost = 1;
          iPocLost=this->getPOC() + pReferencePictureSet->getDeltaPOC(i);
        }
      }
#if ALLOW_RECOVERY_POINT_AS_RAP
      else if(bUseRecoveryPoint && this->getPOC() > pocRandomAccess)
      {
        atLeastOneUnabledByRecoveryPoint = 1;
      }
      else if(bUseRecoveryPoint && (this->getAssociatedIRAPType()==NAL_UNIT_CODED_SLICE_IDR_N_LP || this->getAssociatedIRAPType()==NAL_UNIT_CODED_SLICE_IDR_W_RADL))
      {
        atLeastOneFlushedByPreviousIDR = 1;
      }
#endif
    }
  }
  // loop through all short-term pictures in the Reference Picture Set
  // to see if the picture should be kept as reference picture
  for(i=0;i<pReferencePictureSet->getNumberOfNegativePictures()+pReferencePictureSet->getNumberOfPositivePictures();i++)
  {
    isAvailable = 0;
    // loop through all pictures in the reference picture buffer
    TComList<TComPic*>::iterator iterPic = rcListPic.begin();
    while ( iterPic != rcListPic.end())
    {
      rpcPic = *(iterPic++);

      if(!rpcPic->getIsLongTerm() && rpcPic->getPicSym()->getSlice(0)->getPOC() == this->getPOC() + pReferencePictureSet->getDeltaPOC(i) && rpcPic->getSlice(0)->isReferenced())
      {
#if ALLOW_RECOVERY_POINT_AS_RAP
        if(bUseRecoveryPoint && this->getPOC() > pocRandomAccess && this->getPOC() + pReferencePictureSet->getDeltaPOC(i) < pocRandomAccess)
        {
          isAvailable = 0;
        }
        else
        {
          isAvailable = 1;
        }
#else
        isAvailable = 1;
#endif
      }
    }
    // report that a picture is lost if it is in the Reference Picture Set
    // but not available as reference picture
    if(isAvailable == 0)
    {
      if (this->getPOC() + pReferencePictureSet->getDeltaPOC(i) >= pocRandomAccess)
      {
        if(!pReferencePictureSet->getUsed(i) )
        {
          if(printErrors)
          {
            printf("\nShort-term reference picture with POC = %3d seems to have been removed or not correctly decoded.", this->getPOC() + pReferencePictureSet->getDeltaPOC(i));
          }
          atLeastOneRemoved = 1;
        }
        else
        {
          if(printErrors)
          {
            printf("\nShort-term reference picture with POC = %3d is lost or not correctly decoded!", this->getPOC() + pReferencePictureSet->getDeltaPOC(i));
          }
          atLeastOneLost = 1;
          iPocLost=this->getPOC() + pReferencePictureSet->getDeltaPOC(i);
        }
      }
#if ALLOW_RECOVERY_POINT_AS_RAP
      else if(bUseRecoveryPoint && this->getPOC() > pocRandomAccess)
      {
        atLeastOneUnabledByRecoveryPoint = 1;
      }
      else if(bUseRecoveryPoint && (this->getAssociatedIRAPType()==NAL_UNIT_CODED_SLICE_IDR_N_LP || this->getAssociatedIRAPType()==NAL_UNIT_CODED_SLICE_IDR_W_RADL))
      {
        atLeastOneFlushedByPreviousIDR = 1;
      }
#endif
    }
  }

#if ALLOW_RECOVERY_POINT_AS_RAP
  if(atLeastOneUnabledByRecoveryPoint || atLeastOneFlushedByPreviousIDR)
  {
    return -1;
  }    
#endif
  if(atLeastOneLost)
  {
    return iPocLost+1;
  }
  if(atLeastOneRemoved)
  {
    return -2;
  }
  else
  {
    return 0;
  }
}

/** Function for constructing an explicit Reference Picture Set out of the available pictures in a referenced Reference Picture Set
*/
#if ALLOW_RECOVERY_POINT_AS_RAP
Void TComSlice::createExplicitReferencePictureSetFromReference( TComList<TComPic*>& rcListPic, TComReferencePictureSet *pReferencePictureSet, Bool isRAP, Int pocRandomAccess, Bool bUseRecoveryPoint)
#else
Void TComSlice::createExplicitReferencePictureSetFromReference( TComList<TComPic*>& rcListPic, TComReferencePictureSet *pReferencePictureSet, Bool isRAP)
#endif
{
  TComPic* rpcPic;
  Int i, j;
  Int k = 0;
  Int nrOfNegativePictures = 0;
  Int nrOfPositivePictures = 0;
  TComReferencePictureSet* pcRPS = this->getLocalRPS();

  // loop through all pictures in the Reference Picture Set
  for(i=0;i<pReferencePictureSet->getNumberOfPictures();i++)
  {
    j = 0;
    // loop through all pictures in the reference picture buffer
    TComList<TComPic*>::iterator iterPic = rcListPic.begin();
    while ( iterPic != rcListPic.end())
    {
      j++;
      rpcPic = *(iterPic++);

      if(rpcPic->getPicSym()->getSlice(0)->getPOC() == this->getPOC() + pReferencePictureSet->getDeltaPOC(i) && rpcPic->getSlice(0)->isReferenced())
      {
        // This picture exists as a reference picture
        // and should be added to the explicit Reference Picture Set
        pcRPS->setDeltaPOC(k, pReferencePictureSet->getDeltaPOC(i));
        pcRPS->setUsed(k, pReferencePictureSet->getUsed(i) && (!isRAP));
#if ALLOW_RECOVERY_POINT_AS_RAP
        pcRPS->setUsed(k, pcRPS->getUsed(k) && !(bUseRecoveryPoint && this->getPOC() > pocRandomAccess && this->getPOC() + pReferencePictureSet->getDeltaPOC(i) < pocRandomAccess) ); 
#endif

        if(pcRPS->getDeltaPOC(k) < 0)
        {
          nrOfNegativePictures++;
        }
        else
        {
          nrOfPositivePictures++;
        }
        k++;
      }
    }
  }

#if EFFICIENT_FIELD_IRAP
  Bool useNewRPS = false;
  // if current picture is complimentary field associated to IRAP, add the IRAP to its RPS. 
  if(m_pcPic->isField())
  {
    TComList<TComPic*>::iterator iterPic = rcListPic.begin();
    while ( iterPic != rcListPic.end())
    {
      rpcPic = *(iterPic++);
      if(rpcPic->getPicSym()->getSlice(0)->getPOC() == this->getAssociatedIRAPPOC() && this->getAssociatedIRAPPOC() == this->getPOC()+1)
      {
        pcRPS->setDeltaPOC(k, 1);
        pcRPS->setUsed(k, true);
        nrOfPositivePictures++;
        k ++;
        useNewRPS = true;
      }
    }
  }
#endif
  pcRPS->setNumberOfNegativePictures(nrOfNegativePictures);
  pcRPS->setNumberOfPositivePictures(nrOfPositivePictures);
  pcRPS->setNumberOfPictures(nrOfNegativePictures+nrOfPositivePictures);
  // This is a simplistic inter rps example. A smarter encoder will look for a better reference RPS to do the
  // inter RPS prediction with.  Here we just use the reference used by pReferencePictureSet.
  // If pReferencePictureSet is not inter_RPS_predicted, then inter_RPS_prediction is for the current RPS also disabled.
  if (!pReferencePictureSet->getInterRPSPrediction()
#if EFFICIENT_FIELD_IRAP
    || useNewRPS
#endif
    )
  {
    pcRPS->setInterRPSPrediction(false);
    pcRPS->setNumRefIdc(0);
  }
  else
  {
    Int rIdx =  this->getRPSidx() - pReferencePictureSet->getDeltaRIdxMinus1() - 1;
    Int deltaRPS = pReferencePictureSet->getDeltaRPS();
    TComReferencePictureSet* pcRefRPS = this->getSPS()->getRPSList()->getReferencePictureSet(rIdx);
    Int iRefPics = pcRefRPS->getNumberOfPictures();
    Int iNewIdc=0;
    for(i=0; i<= iRefPics; i++)
    {
      Int deltaPOC = ((i != iRefPics)? pcRefRPS->getDeltaPOC(i) : 0);  // check if the reference abs POC is >= 0
      Int iRefIdc = 0;
      for (j=0; j < pcRPS->getNumberOfPictures(); j++) // loop through the  pictures in the new RPS
      {
        if ( (deltaPOC + deltaRPS) == pcRPS->getDeltaPOC(j))
        {
          if (pcRPS->getUsed(j))
          {
            iRefIdc = 1;
          }
          else
          {
            iRefIdc = 2;
          }
        }
      }
      pcRPS->setRefIdc(i, iRefIdc);
      iNewIdc++;
    }
    pcRPS->setInterRPSPrediction(true);
    pcRPS->setNumRefIdc(iNewIdc);
    pcRPS->setDeltaRPS(deltaRPS);
    pcRPS->setDeltaRIdxMinus1(pReferencePictureSet->getDeltaRIdxMinus1() + this->getSPS()->getRPSList()->getNumberOfReferencePictureSets() - this->getRPSidx());
  }

  this->setRPS(pcRPS);
  this->setRPSidx(-1);
}

/** get AC and DC values for weighted pred
 * \param *wp
 * \returns Void
 */
Void  TComSlice::getWpAcDcParam(WPACDCParam *&wp)
{
  wp = m_weightACDCParam;
}

/** init AC and DC values for weighted pred
 * \returns Void
 */
Void  TComSlice::initWpAcDcParam()
{
  for(Int iComp = 0; iComp < MAX_NUM_COMPONENT; iComp++ )
  {
    m_weightACDCParam[iComp].iAC = 0;
    m_weightACDCParam[iComp].iDC = 0;
  }
}

/** get WP tables for weighted pred
 * \param RefPicList
 * \param iRefIdx
 * \param *&WPScalingParam
 * \returns Void
 */
Void  TComSlice::getWpScaling( RefPicList e, Int iRefIdx, WPScalingParam *&wp )
{
  assert (e<NUM_REF_PIC_LIST_01);
  wp = m_weightPredTable[e][iRefIdx];
}

/** reset Default WP tables settings : no weight.
 * \param WPScalingParam
 * \returns Void
 */
Void  TComSlice::resetWpScaling()
{
  for ( Int e=0 ; e<NUM_REF_PIC_LIST_01 ; e++ )
  {
    for ( Int i=0 ; i<MAX_NUM_REF ; i++ )
    {
      for ( Int yuv=0 ; yuv<MAX_NUM_COMPONENT ; yuv++ )
      {
        WPScalingParam  *pwp = &(m_weightPredTable[e][i][yuv]);
        pwp->bPresentFlag      = false;
        pwp->uiLog2WeightDenom = 0;
        pwp->uiLog2WeightDenom = 0;
        pwp->iWeight           = 1;
        pwp->iOffset           = 0;
      }
    }
  }
}

/** init WP table
 * \returns Void
 */
Void  TComSlice::initWpScaling()
{
  const Bool bUseHighPrecisionPredictionWeighting = getSPS()->getUseHighPrecisionPredictionWeighting();
  for ( Int e=0 ; e<NUM_REF_PIC_LIST_01 ; e++ )
  {
    for ( Int i=0 ; i<MAX_NUM_REF ; i++ )
    {
      for ( Int yuv=0 ; yuv<MAX_NUM_COMPONENT ; yuv++ )
      {
        WPScalingParam  *pwp = &(m_weightPredTable[e][i][yuv]);
        if ( !pwp->bPresentFlag )
        {
          // Inferring values not present :
          pwp->iWeight = (1 << pwp->uiLog2WeightDenom);
          pwp->iOffset = 0;
        }

        const Int offsetScalingFactor = bUseHighPrecisionPredictionWeighting ? 1 : (1 << (g_bitDepth[toChannelType(ComponentID(yuv))]-8));

        pwp->w      = pwp->iWeight;
        pwp->o      = pwp->iOffset * offsetScalingFactor; //NOTE: RExt - This value of the ".o" variable is never used - .o is set immediately before it gets used
        pwp->shift  = pwp->uiLog2WeightDenom;
        pwp->round  = (pwp->uiLog2WeightDenom>=1) ? (1 << (pwp->uiLog2WeightDenom-1)) : (0);
      }
    }
  }
}

// ------------------------------------------------------------------------------------------------
// Video parameter set (VPS)
// ------------------------------------------------------------------------------------------------
TComVPS::TComVPS()
: m_VPSId                     (  0)
, m_uiMaxTLayers              (  1)
, m_uiMaxLayers               (  1)
, m_bTemporalIdNestingFlag    (false)
, m_numHrdParameters          (  0)
, m_maxNuhReservedZeroLayerId (  0)
, m_hrdParameters             (NULL)
, m_hrdOpSetIdx               (NULL)
, m_cprmsPresentFlag          (NULL)
{

  for( Int i = 0; i < MAX_TLAYER; i++)
  {
    m_numReorderPics[i] = 0;
    m_uiMaxDecPicBuffering[i] = 1;
    m_uiMaxLatencyIncrease[i] = 0;
  }
}

TComVPS::~TComVPS()
{
  if( m_hrdParameters    != NULL )     delete[] m_hrdParameters;
  if( m_hrdOpSetIdx      != NULL )     delete[] m_hrdOpSetIdx;
  if( m_cprmsPresentFlag != NULL )     delete[] m_cprmsPresentFlag;
}

// ------------------------------------------------------------------------------------------------
// Sequence parameter set (SPS)
// ------------------------------------------------------------------------------------------------

TComSPS::TComSPS()
: m_SPSId                     (  0)
, m_VPSId                     (  0)
, m_chromaFormatIdc           (CHROMA_420)
, m_uiMaxTLayers              (  1)
// Structure
, m_picWidthInLumaSamples     (352)
, m_picHeightInLumaSamples    (288)
, m_log2MinCodingBlockSize    (  0)
, m_log2DiffMaxMinCodingBlockSize(0)
, m_uiMaxCUWidth              ( 32)
, m_uiMaxCUHeight             ( 32)
, m_uiMaxCUDepth              (  3)
, m_bLongTermRefsPresent      (false)
, m_uiQuadtreeTULog2MaxSize   (  0)
, m_uiQuadtreeTULog2MinSize   (  0)
, m_uiQuadtreeTUMaxDepthInter (  0)
, m_uiQuadtreeTUMaxDepthIntra (  0)
// Tool list
, m_usePCM                    (false)
, m_pcmLog2MaxSize            (  5)
, m_uiPCMLog2MinSize          (  7)
, m_useExtendedPrecision      (false)
, m_useIntraBlockCopy         (false)
, m_useHighPrecisionPredictionWeighting(false)
, m_useResidualRotation       (false)
, m_useSingleSignificanceMapContext(false)
, m_useGolombRiceParameterAdaptation(false)
, m_alignCABACBeforeBypass    (false)
#if SCM__R0147_ADAPTIVE_COLOR_TRANSFORM
, m_useColorTrans             (false)
#endif
#if SCM__R0348_PALETTE_MODE
, m_usePaletteMode            (false)
#endif
, m_bPCMFilterDisableFlag     (false)
, m_disableIntraReferenceSmoothing(false)
, m_uiBitsForPOC              (  8)
, m_numLongTermRefPicSPS      (  0)
, m_uiMaxTrSize               ( 32)
, m_bUseSAO                   (false)
, m_bTemporalIdNestingFlag    (false)
, m_scalingListEnabledFlag    (false)
, m_useStrongIntraSmoothing   (false)
, m_vuiParametersPresentFlag  (false)
, m_vuiParameters             ()
{
  for(Int ch=0; ch<MAX_NUM_CHANNEL_TYPE; ch++)
  {
    m_uiBitDepth   [ch] = 8;
    m_uiPCMBitDepth[ch] = 8;
    m_qpBDOffset   [ch] = 0;
  }

  for ( Int i = 0; i < MAX_TLAYER; i++ )
  {
    m_uiMaxLatencyIncrease[i] = 0;
    m_uiMaxDecPicBuffering[i] = 1;
    m_numReorderPics[i]       = 0;
  }

  for (UInt signallingModeIndex = 0; signallingModeIndex < NUMBER_OF_RDPCM_SIGNALLING_MODES; signallingModeIndex++)
  {
    m_useResidualDPCM[signallingModeIndex] = false;
  }

  m_scalingList = new TComScalingList;
  ::memset(m_ltRefPicPocLsbSps, 0, sizeof(m_ltRefPicPocLsbSps));
  ::memset(m_usedByCurrPicLtSPSFlag, 0, sizeof(m_usedByCurrPicLtSPSFlag));
}

TComSPS::~TComSPS()
{
  delete m_scalingList;
  m_RPSList.destroy();
}

Void  TComSPS::createRPSList( Int numRPS )
{
  m_RPSList.destroy();
  m_RPSList.create(numRPS);
}

Void TComSPS::setHrdParameters( UInt frameRate, UInt numDU, UInt bitRate, Bool randomAccess )
{
  if( !getVuiParametersPresentFlag() )
  {
    return;
  }

  TComVUI *vui = getVuiParameters();
  TComHRD *hrd = vui->getHrdParameters();

  TimingInfo *timingInfo = vui->getTimingInfo();
  timingInfo->setTimingInfoPresentFlag( true );
  switch( frameRate )
  {
  case 24:
    timingInfo->setNumUnitsInTick( 1125000 );    timingInfo->setTimeScale    ( 27000000 );
    break;
  case 25:
    timingInfo->setNumUnitsInTick( 1080000 );    timingInfo->setTimeScale    ( 27000000 );
    break;
  case 30:
    timingInfo->setNumUnitsInTick( 900900 );     timingInfo->setTimeScale    ( 27000000 );
    break;
  case 50:
    timingInfo->setNumUnitsInTick( 540000 );     timingInfo->setTimeScale    ( 27000000 );
    break;
  case 60:
    timingInfo->setNumUnitsInTick( 450450 );     timingInfo->setTimeScale    ( 27000000 );
    break;
  default:
    timingInfo->setNumUnitsInTick( 1001 );       timingInfo->setTimeScale    ( 60000 );
    break;
  }

  Bool rateCnt = ( bitRate > 0 );
  hrd->setNalHrdParametersPresentFlag( rateCnt );
  hrd->setVclHrdParametersPresentFlag( rateCnt );

  hrd->setSubPicCpbParamsPresentFlag( ( numDU > 1 ) );

  if( hrd->getSubPicCpbParamsPresentFlag() )
  {
    hrd->setTickDivisorMinus2( 100 - 2 );                          //
    hrd->setDuCpbRemovalDelayLengthMinus1( 7 );                    // 8-bit precision ( plus 1 for last DU in AU )
    hrd->setSubPicCpbParamsInPicTimingSEIFlag( true );
    hrd->setDpbOutputDelayDuLengthMinus1( 5 + 7 );                 // With sub-clock tick factor of 100, at least 7 bits to have the same value as AU dpb delay
  }
  else
  {
    hrd->setSubPicCpbParamsInPicTimingSEIFlag( false );
  }

  hrd->setBitRateScale( 4 );                                       // in units of 2~( 6 + 4 ) = 1,024 bps
  hrd->setCpbSizeScale( 6 );                                       // in units of 2~( 4 + 4 ) = 1,024 bit
  hrd->setDuCpbSizeScale( 6 );                                       // in units of 2~( 4 + 4 ) = 1,024 bit

  hrd->setInitialCpbRemovalDelayLengthMinus1(15);                  // assuming 0.5 sec, log2( 90,000 * 0.5 ) = 16-bit
  if( randomAccess )
  {
    hrd->setCpbRemovalDelayLengthMinus1(5);                        // 32 = 2^5 (plus 1)
    hrd->setDpbOutputDelayLengthMinus1 (5);                        // 32 + 3 = 2^6
  }
  else
  {
    hrd->setCpbRemovalDelayLengthMinus1(9);                        // max. 2^10
    hrd->setDpbOutputDelayLengthMinus1 (9);                        // max. 2^10
  }

/*
   Note: only the case of "vps_max_temporal_layers_minus1 = 0" is supported.
*/
  Int i, j;
  UInt birateValue, cpbSizeValue;
  UInt ducpbSizeValue;
  UInt duBitRateValue = 0;

  for( i = 0; i < MAX_TLAYER; i ++ )
  {
    hrd->setFixedPicRateFlag( i, 1 );
    hrd->setPicDurationInTcMinus1( i, 0 );
    hrd->setLowDelayHrdFlag( i, 0 );
    hrd->setCpbCntMinus1( i, 0 );

    birateValue  = bitRate;
    cpbSizeValue = bitRate;                                     // 1 second
    ducpbSizeValue = bitRate/numDU;
    duBitRateValue = bitRate;

    for( j = 0; j < ( hrd->getCpbCntMinus1( i ) + 1 ); j ++ )
    {
      hrd->setBitRateValueMinus1( i, j, 0, ( birateValue  - 1 ) );
      hrd->setCpbSizeValueMinus1( i, j, 0, ( cpbSizeValue - 1 ) );
      hrd->setDuCpbSizeValueMinus1( i, j, 0, ( ducpbSizeValue - 1 ) );
      hrd->setCbrFlag( i, j, 0, ( j == 0 ) );

      hrd->setBitRateValueMinus1( i, j, 1, ( birateValue  - 1) );
      hrd->setCpbSizeValueMinus1( i, j, 1, ( cpbSizeValue - 1 ) );
      hrd->setDuCpbSizeValueMinus1( i, j, 1, ( ducpbSizeValue - 1 ) );
      hrd->setDuBitRateValueMinus1( i, j, 1, ( duBitRateValue - 1 ) );
      hrd->setCbrFlag( i, j, 1, ( j == 0 ) );
    }
  }
}

const Int TComSPS::m_winUnitX[]={1,2,2,1};
const Int TComSPS::m_winUnitY[]={1,2,1,1};

TComPPS::TComPPS()
: m_PPSId                            (0)
, m_SPSId                            (0)
, m_picInitQPMinus26                 (0)
, m_useDQP                           (false)
, m_bConstrainedIntraPred            (false)
, m_bSliceChromaQpFlag               (false)
, m_pcSPS                            (NULL)
, m_uiMaxCuDQPDepth                  (0)
, m_uiMinCuDQPSize                   (0)
, m_MaxCuChromaQpAdjDepth            (0)
, m_MinCuChromaQpAdjSize             (0)
, m_ChromaQpAdjTableSize             (0)
, m_chromaCbQpOffset                 (0)
, m_chromaCrQpOffset                 (0)
, m_numRefIdxL0DefaultActive         (1)
, m_numRefIdxL1DefaultActive         (1)
, m_useCrossComponentPrediction      (false)
, m_TransquantBypassEnableFlag       (false)
, m_useTransformSkip                 (false)
, m_transformSkipLog2MaxSize         (2)
, m_dependentSliceSegmentsEnabledFlag(false)
, m_tilesEnabledFlag                 (false)
, m_entropyCodingSyncEnabledFlag     (false)
, m_loopFilterAcrossTilesEnabledFlag (true)
, m_uniformSpacingFlag               (false)
, m_numTileColumnsMinus1             (0)
, m_numTileRowsMinus1                (0)
, m_numSubstreams                    (1)
, m_signHideFlag                     (0)
, m_cabacInitPresentFlag             (false)
, m_encCABACTableIdx                 (I_SLICE)
, m_sliceHeaderExtensionPresentFlag  (false)
, m_loopFilterAcrossSlicesEnabledFlag(false)
, m_listsModificationPresentFlag     (0)
, m_numExtraSliceHeaderBits          (0)
{
  m_scalingList = new TComScalingList;
  for(Int ch=0; ch<MAX_NUM_CHANNEL_TYPE; ch++)
  {
    m_saoOffsetBitShift[ch] = 0;
  }
  m_ChromaQpAdjTable[0].u.comp.CbOffset = 0;
  m_ChromaQpAdjTable[0].u.comp.CrOffset = 0;
}

TComPPS::~TComPPS()
{
  delete m_scalingList;
}

TComReferencePictureSet::TComReferencePictureSet()
: m_numberOfPictures (0)
, m_numberOfNegativePictures (0)
, m_numberOfPositivePictures (0)
, m_numberOfLongtermPictures (0)
, m_interRPSPrediction (0)
, m_deltaRIdxMinus1 (0)
, m_deltaRPS (0)
, m_numRefIdc (0)
{
  ::memset( m_deltaPOC, 0, sizeof(m_deltaPOC) );
  ::memset( m_POC, 0, sizeof(m_POC) );
  ::memset( m_used, 0, sizeof(m_used) );
  ::memset( m_refIdc, 0, sizeof(m_refIdc) );
}

TComReferencePictureSet::~TComReferencePictureSet()
{
}

Void TComReferencePictureSet::setUsed(Int bufferNum, Bool used)
{
  m_used[bufferNum] = used;
}

Void TComReferencePictureSet::setDeltaPOC(Int bufferNum, Int deltaPOC)
{
  m_deltaPOC[bufferNum] = deltaPOC;
}

Void TComReferencePictureSet::setNumberOfPictures(Int numberOfPictures)
{
  m_numberOfPictures = numberOfPictures;
}

Int TComReferencePictureSet::getUsed(Int bufferNum)
{
  return m_used[bufferNum];
}

Int TComReferencePictureSet::getDeltaPOC(Int bufferNum)
{
  return m_deltaPOC[bufferNum];
}

Int TComReferencePictureSet::getNumberOfPictures()
{
  return m_numberOfPictures;
}

Int TComReferencePictureSet::getPOC(Int bufferNum)
{
  return m_POC[bufferNum];
}

Void TComReferencePictureSet::setPOC(Int bufferNum, Int POC)
{
  m_POC[bufferNum] = POC;
}

Bool TComReferencePictureSet::getCheckLTMSBPresent(Int bufferNum)
{
  return m_bCheckLTMSB[bufferNum];
}

Void TComReferencePictureSet::setCheckLTMSBPresent(Int bufferNum, Bool b)
{
  m_bCheckLTMSB[bufferNum] = b;
}

/** set the reference idc value at uiBufferNum entry to the value of iRefIdc
 * \param uiBufferNum
 * \param iRefIdc
 * \returns Void
 */
Void TComReferencePictureSet::setRefIdc(Int bufferNum, Int refIdc)
{
  m_refIdc[bufferNum] = refIdc;
}

/** get the reference idc value at uiBufferNum
 * \param uiBufferNum
 * \returns Int
 */
Int  TComReferencePictureSet::getRefIdc(Int bufferNum)
{
  return m_refIdc[bufferNum];
}

/** Sorts the deltaPOC and Used by current values in the RPS based on the deltaPOC values.
 *  deltaPOC values are sorted with -ve values before the +ve values.  -ve values are in decreasing order.
 *  +ve values are in increasing order.
 * \returns Void
 */
Void TComReferencePictureSet::sortDeltaPOC()
{
  // sort in increasing order (smallest first)
  for(Int j=1; j < getNumberOfPictures(); j++)
  {
    Int deltaPOC = getDeltaPOC(j);
    Bool used = getUsed(j);
    for (Int k=j-1; k >= 0; k--)
    {
      Int temp = getDeltaPOC(k);
      if (deltaPOC < temp)
      {
        setDeltaPOC(k+1, temp);
        setUsed(k+1, getUsed(k));
        setDeltaPOC(k, deltaPOC);
        setUsed(k, used);
      }
    }
  }
  // flip the negative values to largest first
  Int numNegPics = getNumberOfNegativePictures();
  for(Int j=0, k=numNegPics-1; j < numNegPics>>1; j++, k--)
  {
    Int deltaPOC = getDeltaPOC(j);
    Bool used = getUsed(j);
    setDeltaPOC(j, getDeltaPOC(k));
    setUsed(j, getUsed(k));
    setDeltaPOC(k, deltaPOC);
    setUsed(k, used);
  }
}

/** Prints the deltaPOC and RefIdc (if available) values in the RPS.
 *  A "*" is added to the deltaPOC value if it is Used bu current.
 * \returns Void
 */
Void TComReferencePictureSet::printDeltaPOC()
{
  printf("DeltaPOC = { ");
  for(Int j=0; j < getNumberOfPictures(); j++)
  {
    printf("%d%s ", getDeltaPOC(j), (getUsed(j)==1)?"*":"");
  }
  if (getInterRPSPrediction())
  {
    printf("}, RefIdc = { ");
    for(Int j=0; j < getNumRefIdc(); j++)
    {
      printf("%d ", getRefIdc(j));
    }
  }
  printf("}\n");
}

TComRPSList::TComRPSList()
:m_referencePictureSets (NULL)
{
}

TComRPSList::~TComRPSList()
{
}

Void TComRPSList::create( Int numberOfReferencePictureSets)
{
  m_numberOfReferencePictureSets = numberOfReferencePictureSets;
  m_referencePictureSets = new TComReferencePictureSet[numberOfReferencePictureSets];
}

Void TComRPSList::destroy()
{
  if (m_referencePictureSets)
  {
    delete [] m_referencePictureSets;
  }
  m_numberOfReferencePictureSets = 0;
  m_referencePictureSets = NULL;
}



TComReferencePictureSet* TComRPSList::getReferencePictureSet(Int referencePictureSetNum)
{
  return &m_referencePictureSets[referencePictureSetNum];
}

Int TComRPSList::getNumberOfReferencePictureSets()
{
  return m_numberOfReferencePictureSets;
}

Void TComRPSList::setNumberOfReferencePictureSets(Int numberOfReferencePictureSets)
{
  m_numberOfReferencePictureSets = numberOfReferencePictureSets;
}

TComRefPicListModification::TComRefPicListModification()
: m_bRefPicListModificationFlagL0 (false)
, m_bRefPicListModificationFlagL1 (false)
{
  ::memset( m_RefPicSetIdxL0, 0, sizeof(m_RefPicSetIdxL0) );
  ::memset( m_RefPicSetIdxL1, 0, sizeof(m_RefPicSetIdxL1) );
}

TComRefPicListModification::~TComRefPicListModification()
{
}

TComScalingList::TComScalingList()
{
  init();
}

TComScalingList::~TComScalingList()
{
  destroy();
}

/** set default quantization matrix to array
*/
Void TComSlice::setDefaultScalingList()
{
  for(UInt sizeId = 0; sizeId < SCALING_LIST_SIZE_NUM; sizeId++)
  {
    for(UInt listId=0;listId<SCALING_LIST_NUM;listId++)
    {
      getScalingList()->processDefaultMatrix(sizeId, listId);
    }
  }
}
/** check if use default quantization matrix
 * \returns true if use default quantization matrix in all size
*/
Bool TComSlice::checkDefaultScalingList()
{
  UInt defaultCounter=0;

  for(UInt sizeId = 0; sizeId < SCALING_LIST_SIZE_NUM; sizeId++)
  {
    for(UInt listId=0;listId<SCALING_LIST_NUM;listId++)
    {
      if( !memcmp(getScalingList()->getScalingListAddress(sizeId,listId), getScalingList()->getScalingListDefaultAddress(sizeId, listId),sizeof(Int)*min(MAX_MATRIX_COEF_NUM,(Int)g_scalingListSize[sizeId])) // check value of matrix
     && ((sizeId < SCALING_LIST_16x16) || (getScalingList()->getScalingListDC(sizeId,listId) == 16))) // check DC value
      {
        defaultCounter++;
      }
    }
  }

  return (defaultCounter == (SCALING_LIST_NUM * SCALING_LIST_SIZE_NUM )) ? false : true;
}

/** get scaling matrix from RefMatrixID
 * \param sizeId size index
 * \param Index of input matrix
 * \param Index of reference matrix
 */
Void TComScalingList::processRefMatrix( UInt sizeId, UInt listId , UInt refListId )
{
  ::memcpy(getScalingListAddress(sizeId, listId),((listId == refListId)? getScalingListDefaultAddress(sizeId, refListId): getScalingListAddress(sizeId, refListId)),sizeof(Int)*min(MAX_MATRIX_COEF_NUM,(Int)g_scalingListSize[sizeId]));
}

/** parse syntax infomation
 *  \param pchFile syntax infomation
 *  \returns false if successful
 */
Bool TComScalingList::xParseScalingList(Char* pchFile)
{
  static const Int LINE_SIZE=1024;
  FILE *fp;
  Char line[LINE_SIZE];
  UInt sizeIdc,listIdc;
  UInt i,size = 0;
  Int *src=0,data;
  Char *ret;
  UInt  retval;

  if((fp = fopen(pchFile,"r")) == (FILE*)NULL)
  {
    printf("can't open file %s :: set Default Matrix\n",pchFile);
    return true;
  }

  for(sizeIdc = 0; sizeIdc < SCALING_LIST_SIZE_NUM; sizeIdc++)
  {
    size = min(MAX_MATRIX_COEF_NUM,(Int)g_scalingListSize[sizeIdc]);

    for(listIdc = 0; listIdc < SCALING_LIST_NUM; listIdc++)
    {
      src = getScalingListAddress(sizeIdc, listIdc);

      if ((sizeIdc==SCALING_LIST_32x32) && (listIdc%(SCALING_LIST_NUM/NUMBER_OF_PREDICTION_MODES) != 0)) // derive chroma32x32 from chroma16x16
      {
        const Int *srcNextSmallerSize = getScalingListAddress(sizeIdc-1, listIdc);
        for(i=0; i<size; i++)
        {
          src[i] = srcNextSmallerSize[i];
        }
        setScalingListDC(sizeIdc,listIdc,(sizeIdc > SCALING_LIST_8x8) ? getScalingListDC(sizeIdc-1, listIdc) : src[0]);
      }
      else
      {
        fseek(fp,0,0);
        do
        {
          ret = fgets(line, LINE_SIZE, fp);
          if ((ret==NULL)||(strstr(line, MatrixType[sizeIdc][listIdc])==NULL && feof(fp)))
          {
            printf("Error: can't read Matrix :: set Default Matrix\n");
            return true;
          }
        }
        while (strstr(line, MatrixType[sizeIdc][listIdc]) == NULL);
        for (i=0; i<size; i++)
        {
          retval = fscanf(fp, "%d,", &data);
          if (retval!=1)
          {
            printf("Error: can't read Matrix :: set Default Matrix\n");
            return true;
          }
          src[i] = data;
        }
        //set DC value for default matrix check
        setScalingListDC(sizeIdc,listIdc,src[0]);

        if(sizeIdc > SCALING_LIST_8x8)
        {
          fseek(fp,0,0);
          do
          {
            ret = fgets(line, LINE_SIZE, fp);
            if ((ret==NULL)||(strstr(line, MatrixType_DC[sizeIdc][listIdc])==NULL && feof(fp)))
            {
              printf("Error: can't read DC :: set Default Matrix\n");
              return true;
            }
          }
          while (strstr(line, MatrixType_DC[sizeIdc][listIdc]) == NULL);
          retval = fscanf(fp, "%d,", &data);
          if (retval!=1)
          {
            printf("Error: can't read Matrix :: set Default Matrix\n");
            return true;
          }
          //overwrite DC value when size of matrix is larger than 16x16
          setScalingListDC(sizeIdc,listIdc,data);
        }
      }
    }
  }
  fclose(fp);
  return false;
}

/** initialization process of quantization matrix array
 */
Void TComScalingList::init()
{
  for(UInt sizeId = 0; sizeId < SCALING_LIST_SIZE_NUM; sizeId++)
  {
    for(UInt listId = 0; listId < SCALING_LIST_NUM; listId++)
    {
      m_scalingListCoef[sizeId][listId] = new Int [min(MAX_MATRIX_COEF_NUM,(Int)g_scalingListSize[sizeId])];
    }
  }
}

/** destroy quantization matrix array
 */
Void TComScalingList::destroy()
{
  for(UInt sizeId = 0; sizeId < SCALING_LIST_SIZE_NUM; sizeId++)
  {
    for(UInt listId = 0; listId < SCALING_LIST_NUM; listId++)
    {
      if(m_scalingListCoef[sizeId][listId]) delete [] m_scalingListCoef[sizeId][listId];
    }
  }
}

/** get default address of quantization matrix
 * \param sizeId size index
 * \param listId list index
 * \returns pointer of quantization matrix
 */
Int* TComScalingList::getScalingListDefaultAddress(UInt sizeId, UInt listId)
{
  Int *src = 0;
  switch(sizeId)
  {
    case SCALING_LIST_4x4:
      src = g_quantTSDefault4x4;
      break;
    case SCALING_LIST_8x8:
    case SCALING_LIST_16x16:
    case SCALING_LIST_32x32:
      src = (listId < (SCALING_LIST_NUM/NUMBER_OF_PREDICTION_MODES) ) ? g_quantIntraDefault8x8 : g_quantInterDefault8x8;
      break;
    default:
      assert(0);
      src = NULL;
      break;
  }
  return src;
}

/** process of default matrix
 * \param sizeId size index
 * \param Index of input matrix
 */
Void TComScalingList::processDefaultMatrix(UInt sizeId, UInt listId)
{
  ::memcpy(getScalingListAddress(sizeId, listId),getScalingListDefaultAddress(sizeId,listId),sizeof(Int)*min(MAX_MATRIX_COEF_NUM,(Int)g_scalingListSize[sizeId]));
  setScalingListDC(sizeId,listId,SCALING_LIST_DC);
}

/** check DC value of matrix for default matrix signaling
 */
Void TComScalingList::checkDcOfMatrix()
{
  for(UInt sizeId = 0; sizeId < SCALING_LIST_SIZE_NUM; sizeId++)
  {
    for(UInt listId = 0; listId < SCALING_LIST_NUM; listId++)
    {
      //check default matrix?
      if(getScalingListDC(sizeId,listId) == 0)
      {
        processDefaultMatrix(sizeId, listId);
      }
    }
  }
}

ParameterSetManager::ParameterSetManager()
: m_vpsMap(MAX_NUM_VPS)
, m_spsMap(MAX_NUM_SPS)
, m_ppsMap(MAX_NUM_PPS)
, m_activeVPSId(-1)
, m_activeSPSId(-1)
, m_activePPSId(-1)
{
}


ParameterSetManager::~ParameterSetManager()
{
}

//! activate a SPS from a active parameter sets SEI message
//! \returns true, if activation is successful
Bool ParameterSetManager::activateSPSWithSEI(Int spsId)
{
  TComSPS *sps = m_spsMap.getPS(spsId);
  if (sps)
  {
    Int vpsId = sps->getVPSId();
    if (m_vpsMap.getPS(vpsId))
    {
      m_activeVPSId = vpsId;
      m_activeSPSId = spsId;
      return true;
    }
    else
    {
      printf("Warning: tried to activate SPS using an Active parameter sets SEI message. Referenced VPS does not exist.");
    }
  }
  else
  {
    printf("Warning: tried to activate non-existing SPS using an Active parameter sets SEI message.");
  }
  return false;
}

//! activate a PPS and depending on isIDR parameter also SPS and VPS
//! \returns true, if activation is successful
Bool ParameterSetManager::activatePPS(Int ppsId, Bool isIRAP)
{
  TComPPS *pps = m_ppsMap.getPS(ppsId);
  if (pps)
  {
    Int spsId = pps->getSPSId();
    if (!isIRAP && (spsId != m_activeSPSId))
    {
      printf("Warning: tried to activate PPS referring to a inactive SPS at non-IDR.");
      return false;
    }
    TComSPS *sps = m_spsMap.getPS(spsId);
    if (sps)
    {
      Int vpsId = sps->getVPSId();
      if (!isIRAP && (vpsId != m_activeVPSId))
      {
        printf("Warning: tried to activate PPS referring to a inactive VPS at non-IDR.");
        return false;
      }
      if (m_vpsMap.getPS(vpsId))
      {
        m_activePPSId = ppsId;
        m_activeVPSId = vpsId;
        m_activeSPSId = spsId;
        return true;
      }
      else
      {
        printf("Warning: tried to activate PPS that refers to a non-existing VPS.");
      }
    }
    else
    {
      printf("Warning: tried to activate a PPS that refers to a non-existing SPS.");
    }
  }
  else
  {
    printf("Warning: tried to activate non-existing PPS.");
  }
  return false;
}

ProfileTierLevel::ProfileTierLevel()
  : m_profileSpace    (0)
  , m_tierFlag        (Level::MAIN)
  , m_profileIdc      (Profile::NONE)
  , m_levelIdc        (Level::NONE)
  , m_progressiveSourceFlag  (false)
  , m_interlacedSourceFlag   (false)
  , m_nonPackedConstraintFlag(false)
  , m_frameOnlyConstraintFlag(false)
{
  ::memset(m_profileCompatibilityFlag, 0, sizeof(m_profileCompatibilityFlag));
}

TComPTL::TComPTL()
{
  ::memset(m_subLayerProfilePresentFlag, 0, sizeof(m_subLayerProfilePresentFlag));
  ::memset(m_subLayerLevelPresentFlag,   0, sizeof(m_subLayerLevelPresentFlag  ));
}


//! \}
