InterPrediction.cpp 37 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.
 *
 * Copyright (c) 2010-2018, 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     Prediction.cpp
    \brief    prediction class
*/

#include "InterPrediction.h"

#include "Buffer.h"
#include "UnitTools.h"

#include <memory.h>
#include <algorithm>

//! \ingroup CommonLib
//! \{

// ====================================================================================================================
// Constructor / destructor / initialize
// ====================================================================================================================

InterPrediction::InterPrediction()
:
  m_currChromaFormat( NUM_CHROMA_FORMAT )
, m_maxCompIDToPred ( MAX_NUM_COMPONENT )
, m_pcRdCost        ( nullptr )
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#if JVET_L0256_BIO
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, m_gradX0(nullptr)
, m_gradY0(nullptr)
, m_gradX1(nullptr)
, m_gradY1(nullptr)
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, m_subPuMC(false)
#endif
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{
  for( uint32_t ch = 0; ch < MAX_NUM_COMPONENT; ch++ )
  {
    for( uint32_t refList = 0; refList < NUM_REF_PIC_LIST_01; refList++ )
    {
      m_acYuvPred[refList][ch] = nullptr;
    }
  }

  for( uint32_t c = 0; c < MAX_NUM_COMPONENT; c++ )
  {
    for( uint32_t i = 0; i < LUMA_INTERPOLATION_FILTER_SUB_SAMPLE_POSITIONS; i++ )
    {
      for( uint32_t j = 0; j < LUMA_INTERPOLATION_FILTER_SUB_SAMPLE_POSITIONS; j++ )
      {
        m_filteredBlock[i][j][c] = nullptr;
      }

      m_filteredBlockTmp[i][c] = nullptr;
    }
  }

}

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

void InterPrediction::destroy()
{
  for( uint32_t i = 0; i < NUM_REF_PIC_LIST_01; i++ )
  {
    for( uint32_t c = 0; c < MAX_NUM_COMPONENT; c++ )
    {
      xFree( m_acYuvPred[i][c] );
      m_acYuvPred[i][c] = nullptr;
    }
  }

  for( uint32_t c = 0; c < MAX_NUM_COMPONENT; c++ )
  {
    for( uint32_t i = 0; i < LUMA_INTERPOLATION_FILTER_SUB_SAMPLE_POSITIONS; i++ )
    {
      for( uint32_t j = 0; j < LUMA_INTERPOLATION_FILTER_SUB_SAMPLE_POSITIONS; j++ )
      {
        xFree( m_filteredBlock[i][j][c] );
        m_filteredBlock[i][j][c] = nullptr;
      }

      xFree( m_filteredBlockTmp[i][c] );
      m_filteredBlockTmp[i][c] = nullptr;
    }
  }
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#if JVET_L0256_BIO
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  xFree(m_gradX0);   m_gradX0 = nullptr;
  xFree(m_gradY0);   m_gradY0 = nullptr;
  xFree(m_gradX1);   m_gradX1 = nullptr;
  xFree(m_gradY1);   m_gradY1 = nullptr;
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#endif
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}

void InterPrediction::init( RdCost* pcRdCost, ChromaFormat chromaFormatIDC )
{
  m_pcRdCost = pcRdCost;


  // if it has been initialised before, but the chroma format has changed, release the memory and start again.
  if( m_acYuvPred[REF_PIC_LIST_0][COMPONENT_Y] != nullptr && m_currChromaFormat != chromaFormatIDC )
  {
    destroy();
  }

  m_currChromaFormat = chromaFormatIDC;
  if( m_acYuvPred[REF_PIC_LIST_0][COMPONENT_Y] == nullptr ) // check if first is null (in which case, nothing initialised yet)
  {
    for( uint32_t c = 0; c < MAX_NUM_COMPONENT; c++ )
    {
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#if JVET_L0256_BIO
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      int extWidth = MAX_CU_SIZE + (2 * BIO_EXTEND_SIZE + 2) + 16;
      int extHeight = MAX_CU_SIZE + (2 * BIO_EXTEND_SIZE + 2) + 1;
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#else
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      int extWidth  = MAX_CU_SIZE + 16;
      int extHeight = MAX_CU_SIZE + 1;
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#endif
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      for( uint32_t i = 0; i < LUMA_INTERPOLATION_FILTER_SUB_SAMPLE_POSITIONS; i++ )
      {
        m_filteredBlockTmp[i][c] = ( Pel* ) xMalloc( Pel, ( extWidth + 4 ) * ( extHeight + 7 + 4 ) );

        for( uint32_t j = 0; j < LUMA_INTERPOLATION_FILTER_SUB_SAMPLE_POSITIONS; j++ )
        {
          m_filteredBlock[i][j][c] = ( Pel* ) xMalloc( Pel, extWidth * extHeight );
        }
      }

      // new structure
      for( uint32_t i = 0; i < NUM_REF_PIC_LIST_01; i++ )
      {
        m_acYuvPred[i][c] = ( Pel* ) xMalloc( Pel, MAX_CU_SIZE * MAX_CU_SIZE );
      }
    }

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    m_iRefListIdx = -1;
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#if JVET_L0256_BIO
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    m_gradX0 = (Pel*)xMalloc(Pel, BIO_TEMP_BUFFER_SIZE);
    m_gradY0 = (Pel*)xMalloc(Pel, BIO_TEMP_BUFFER_SIZE);
    m_gradX1 = (Pel*)xMalloc(Pel, BIO_TEMP_BUFFER_SIZE);
    m_gradY1 = (Pel*)xMalloc(Pel, BIO_TEMP_BUFFER_SIZE);
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#endif
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  }

#if !JVET_J0090_MEMORY_BANDWITH_MEASURE
  m_if.initInterpolationFilter( true );
#endif
}

bool checkIdenticalMotion( const PredictionUnit &pu, bool checkAffine )
{
  const Slice &slice = *pu.cs->slice;

  if( slice.isInterB() && !pu.cs->pps->getWPBiPred() )
  {
    if( pu.refIdx[0] >= 0 && pu.refIdx[1] >= 0 )
    {
      int RefPOCL0 = slice.getRefPic( REF_PIC_LIST_0, pu.refIdx[0] )->getPOC();
      int RefPOCL1 = slice.getRefPic( REF_PIC_LIST_1, pu.refIdx[1] )->getPOC();

      if( RefPOCL0 == RefPOCL1 )
      {
        if( !pu.cu->affine )
        {
          if( pu.mv[0] == pu.mv[1] )
          {
            return true;
          }
        }
        else
        {
          CHECK( !checkAffine, "In this case, checkAffine should be on." );
          const CMotionBuf &mb = pu.getMotionBuf();
          if ( (pu.cu->affineType == AFFINEMODEL_4PARAM && (mb.at( 0, 0 ).mv[0] == mb.at( 0, 0 ).mv[1]) && (mb.at( mb.width - 1, 0 ).mv[0] == mb.at( mb.width - 1, 0 ).mv[1]))
            || (pu.cu->affineType == AFFINEMODEL_6PARAM && (mb.at( 0, 0 ).mv[0] == mb.at( 0, 0 ).mv[1]) && (mb.at( mb.width - 1, 0 ).mv[0] == mb.at( mb.width - 1, 0 ).mv[1]) && (mb.at( 0, mb.height - 1 ).mv[0] == mb.at( 0, mb.height - 1 ).mv[1])) )
          {
            return true;
          }
        }
      }
    }
  }

  return false;
}

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

bool InterPrediction::xCheckIdenticalMotion( const PredictionUnit &pu )
{
  const Slice &slice = *pu.cs->slice;

  if( slice.isInterB() && !pu.cs->pps->getWPBiPred() )
  {
    if( pu.refIdx[0] >= 0 && pu.refIdx[1] >= 0 )
    {
      int RefPOCL0 = slice.getRefPic( REF_PIC_LIST_0, pu.refIdx[0] )->getPOC();
      int RefPOCL1 = slice.getRefPic( REF_PIC_LIST_1, pu.refIdx[1] )->getPOC();

      if( RefPOCL0 == RefPOCL1 )
      {
        if( !pu.cu->affine )
        {
          if( pu.mv[0] == pu.mv[1] )
          {
            return true;
          }
        }
        else
        {
          const CMotionBuf &mb = pu.getMotionBuf();
          if ( (pu.cu->affineType == AFFINEMODEL_4PARAM && (mb.at( 0, 0 ).mv[0] == mb.at( 0, 0 ).mv[1]) && (mb.at( mb.width - 1, 0 ).mv[0] == mb.at( mb.width - 1, 0 ).mv[1]))
            || (pu.cu->affineType == AFFINEMODEL_6PARAM && (mb.at( 0, 0 ).mv[0] == mb.at( 0, 0 ).mv[1]) && (mb.at( mb.width - 1, 0 ).mv[0] == mb.at( mb.width - 1, 0 ).mv[1]) && (mb.at( 0, mb.height - 1 ).mv[0] == mb.at( 0, mb.height - 1 ).mv[1])) )
          {
            return true;
          }
        }
      }
    }
  }

  return false;
}

void InterPrediction::xSubPuMC( PredictionUnit& pu, PelUnitBuf& predBuf, const RefPicList &eRefPicList /*= REF_PIC_LIST_X*/ )
{

  // compute the location of the current PU
  Position puPos    = pu.lumaPos();
  Size puSize       = pu.lumaSize();

  int numPartLine, numPartCol, puHeight, puWidth;
  {
    const Slice& slice = *pu.cs->slice;
    numPartLine = std::max(puSize.width >> slice.getSubPuMvpSubblkLog2Size(), 1u);
    numPartCol  = std::max(puSize.height >> slice.getSubPuMvpSubblkLog2Size(), 1u);
    puHeight    = numPartCol == 1 ? puSize.height : 1 << slice.getSubPuMvpSubblkLog2Size();
    puWidth     = numPartLine == 1 ? puSize.width : 1 << slice.getSubPuMvpSubblkLog2Size();
  }

  PredictionUnit subPu;

  subPu.cs        = pu.cs;
  subPu.cu        = pu.cu;
  subPu.mergeType = MRG_TYPE_DEFAULT_N;

  // join sub-pus containing the same motion
  bool verMC = puSize.height > puSize.width;
  int  fstStart = (!verMC ? puPos.y : puPos.x);
  int  secStart = (!verMC ? puPos.x : puPos.y);
  int  fstEnd = (!verMC ? puPos.y + puSize.height : puPos.x + puSize.width);
  int  secEnd = (!verMC ? puPos.x + puSize.width : puPos.y + puSize.height);
  int  fstStep = (!verMC ? puHeight : puWidth);
  int  secStep = (!verMC ? puWidth : puHeight);

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#if JVET_L0256_BIO
  m_subPuMC = true;
#endif

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  for (int fstDim = fstStart; fstDim < fstEnd; fstDim += fstStep)
  {
    for (int secDim = secStart; secDim < secEnd; secDim += secStep)
    {
      int x = !verMC ? secDim : fstDim;
      int y = !verMC ? fstDim : secDim;
      const MotionInfo &curMi = pu.getMotionInfo(Position{ x, y });

      int length = secStep;
      int later  = secDim + secStep;

      while (later < secEnd)
      {
        const MotionInfo &laterMi = !verMC ? pu.getMotionInfo(Position{ later, fstDim }) : pu.getMotionInfo(Position{ fstDim, later });
        if (laterMi == curMi)
        {
          length += secStep;
        }
        else
        {
          break;
        }
        later += secStep;
      }
      int dx = !verMC ? length : puWidth;
      int dy = !verMC ? puHeight : length;

      subPu.UnitArea::operator=(UnitArea(pu.chromaFormat, Area(x, y, dx, dy)));
      subPu = curMi;
      PelUnitBuf subPredBuf = predBuf.subBuf(UnitAreaRelative(pu, subPu));

      motionCompensation(subPu, subPredBuf, eRefPicList);
      secDim = later - secStep;
    }
  }
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#if JVET_L0256_BIO
  m_subPuMC = false;
#endif
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}

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void InterPrediction::xPredInterUni(const PredictionUnit& pu, const RefPicList& eRefPicList, PelUnitBuf& pcYuvPred, const bool& bi 
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#if JVET_L0256_BIO
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                                   ,const bool& bioApplied /*=false*/
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#endif
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)
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{
  const SPS &sps = *pu.cs->sps;

  int iRefIdx = pu.refIdx[eRefPicList];
  Mv mv[3];

  if( pu.cu->affine )
  {
    CHECK( iRefIdx < 0, "iRefIdx incorrect." );

    const CMotionBuf &mb = pu.getMotionBuf();
    mv[0] = mb.at( 0,            0             ).mv[eRefPicList];
    mv[1] = mb.at( mb.width - 1, 0             ).mv[eRefPicList];
    mv[2] = mb.at( 0,            mb.height - 1 ).mv[eRefPicList];
  }
  else
  {
    mv[0] = pu.mv[eRefPicList];
  }
  if ( !pu.cu->affine )
  clipMv(mv[0], pu.cu->lumaPos(), sps);


  for( uint32_t comp = COMPONENT_Y; comp < pcYuvPred.bufs.size() && comp <= m_maxCompIDToPred; comp++ )
  {
    const ComponentID compID = ComponentID( comp );
    if ( pu.cu->affine )
    {
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#if JVET_L0256_BIO
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      CHECK( bioApplied, "BIO is not allowed with affine" );
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#endif
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      xPredAffineBlk( compID, pu, pu.cu->slice->getRefPic( eRefPicList, iRefIdx ), mv, pcYuvPred, bi, pu.cu->slice->clpRng( compID ) );
    }
    else
    {
      xPredInterBlk( compID, pu, pu.cu->slice->getRefPic( eRefPicList, iRefIdx ), mv[0], pcYuvPred, bi, pu.cu->slice->clpRng( compID )
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#if JVET_L0256_BIO
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                    ,bioApplied
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#endif
      );
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    }
  }
}

void InterPrediction::xPredInterBi(PredictionUnit& pu, PelUnitBuf &pcYuvPred)
{
  const PPS   &pps   = *pu.cs->pps;
  const Slice &slice = *pu.cs->slice;

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#if JVET_L0256_BIO
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  bool bioApplied = false;
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  if (pu.cs->sps->getSpsNext().getUseBIO())
  {
    if (pu.cu->affine || m_subPuMC)
    {
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      bioApplied = false;
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    }
    else
    {
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      const bool biocheck0 = !(pps.getWPBiPred() && slice.getSliceType() == B_SLICE);
      const bool biocheck1 = !(pps.getUseWP() && slice.getSliceType() == P_SLICE);
      if (biocheck0
        && biocheck1
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        && PU::isBiPredFromDifferentDir(pu)
        && !(pu.Y().height == 4 || (pu.Y().width == 4 && pu.Y().height == 8))
       )
      {
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        bioApplied = true;
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      }
    }

#if JVET_L0646_GBI
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    if (pu.cu->cs->sps->getSpsNext().getUseGBi() && bioApplied && pu.cu->GBiIdx != GBI_DEFAULT)
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    {
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      bioApplied = false;
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    }
#endif
  }
#endif
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  for (uint32_t refList = 0; refList < NUM_REF_PIC_LIST_01; refList++)
  {
    if( pu.refIdx[refList] < 0)
    {
      continue;
    }

    RefPicList eRefPicList = (refList ? REF_PIC_LIST_1 : REF_PIC_LIST_0);

    CHECK( pu.refIdx[refList] >= slice.getNumRefIdx( eRefPicList ), "Invalid reference index" );
    m_iRefListIdx = refList;

    PelUnitBuf pcMbBuf = ( pu.chromaFormat == CHROMA_400 ?
                           PelUnitBuf(pu.chromaFormat, PelBuf(m_acYuvPred[refList][0], pcYuvPred.Y())) :
                           PelUnitBuf(pu.chromaFormat, PelBuf(m_acYuvPred[refList][0], pcYuvPred.Y()), PelBuf(m_acYuvPred[refList][1], pcYuvPred.Cb()), PelBuf(m_acYuvPred[refList][2], pcYuvPred.Cr())) );

    if (pu.refIdx[0] >= 0 && pu.refIdx[1] >= 0)
    {
      xPredInterUni ( pu, eRefPicList, pcMbBuf, true
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#if JVET_L0256_BIO
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                     ,bioApplied 
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#endif
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                     );
    }
    else
    {
      if( ( (pps.getUseWP() && slice.getSliceType() == P_SLICE) || (pps.getWPBiPred() && slice.getSliceType() == B_SLICE) ) )
      {
        xPredInterUni ( pu, eRefPicList, pcMbBuf, true );
      }
      else
      {
        xPredInterUni ( pu, eRefPicList, pcMbBuf, false );
      }
    }
  }


  CPelUnitBuf srcPred0 = ( pu.chromaFormat == CHROMA_400 ?
                           CPelUnitBuf(pu.chromaFormat, PelBuf(m_acYuvPred[0][0], pcYuvPred.Y())) :
                           CPelUnitBuf(pu.chromaFormat, PelBuf(m_acYuvPred[0][0], pcYuvPred.Y()), PelBuf(m_acYuvPred[0][1], pcYuvPred.Cb()), PelBuf(m_acYuvPred[0][2], pcYuvPred.Cr())) );
  CPelUnitBuf srcPred1 = ( pu.chromaFormat == CHROMA_400 ?
                           CPelUnitBuf(pu.chromaFormat, PelBuf(m_acYuvPred[1][0], pcYuvPred.Y())) :
                           CPelUnitBuf(pu.chromaFormat, PelBuf(m_acYuvPred[1][0], pcYuvPred.Y()), PelBuf(m_acYuvPred[1][1], pcYuvPred.Cb()), PelBuf(m_acYuvPred[1][2], pcYuvPred.Cr())) );
  if( pps.getWPBiPred() && slice.getSliceType() == B_SLICE )
  {
    xWeightedPredictionBi( pu, srcPred0, srcPred1, pcYuvPred, m_maxCompIDToPred );
  }
  else if( pps.getUseWP() && slice.getSliceType() == P_SLICE )
  {
    xWeightedPredictionUni( pu, srcPred0, REF_PIC_LIST_0, pcYuvPred, -1, m_maxCompIDToPred );
  }
  else
  {
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#if JVET_L0256_BIO
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    xWeightedAverage( pu, srcPred0, srcPred1, pcYuvPred, slice.getSPS()->getBitDepths(), slice.clpRngs(), bioApplied );
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#else
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    xWeightedAverage( pu, srcPred0, srcPred1, pcYuvPred, slice.getSPS()->getBitDepths(), slice.clpRngs() );
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#endif
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  }
}

void InterPrediction::xPredInterBlk ( const ComponentID& compID, const PredictionUnit& pu, const Picture* refPic, const Mv& _mv, PelUnitBuf& dstPic, const bool& bi, const ClpRng& clpRng
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#if JVET_L0256_BIO
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                                     ,const bool& bioApplied /*=false*/
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#endif
)
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{
  JVET_J0090_SET_REF_PICTURE( refPic, compID );
  const ChromaFormat  chFmt = pu.chromaFormat;
  const bool          rndRes = !bi;

  int iAddPrecShift = 0;

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#if !REMOVE_MV_ADAPT_PREC
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  if (_mv.highPrec)
  {
    CHECKD(!pu.cs->sps->getSpsNext().getUseHighPrecMv(), "Found a high-precision motion vector, but the high-precision MV extension is disabled!");
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#endif
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    iAddPrecShift = VCEG_AZ07_MV_ADD_PRECISION_BIT_FOR_STORE;
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#if !REMOVE_MV_ADAPT_PREC
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  }
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#endif
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  int shiftHor = 2 + iAddPrecShift + ::getComponentScaleX(compID, chFmt);
  int shiftVer = 2 + iAddPrecShift + ::getComponentScaleY(compID, chFmt);

  int xFrac = _mv.hor & ((1 << shiftHor) - 1);
  int yFrac = _mv.ver & ((1 << shiftVer) - 1);

  xFrac <<= VCEG_AZ07_MV_ADD_PRECISION_BIT_FOR_STORE - iAddPrecShift;
  yFrac <<= VCEG_AZ07_MV_ADD_PRECISION_BIT_FOR_STORE - iAddPrecShift;
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#if !REMOVE_MV_ADAPT_PREC
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  CHECKD(!pu.cs->sps->getSpsNext().getUseHighPrecMv() && ((xFrac & 3) != 0), "Invalid fraction");
  CHECKD(!pu.cs->sps->getSpsNext().getUseHighPrecMv() && ((yFrac & 3) != 0), "Invalid fraction");
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#endif
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  PelBuf &dstBuf  = dstPic.bufs[compID];
  unsigned width  = dstBuf.width;
  unsigned height = dstBuf.height;

  CPelBuf refBuf;
  {
    Position offset = pu.blocks[compID].pos().offset( _mv.getHor() >> shiftHor, _mv.getVer() >> shiftVer );
    refBuf = refPic->getRecoBuf( CompArea( compID, chFmt, offset, pu.blocks[compID].size() ) );
  }

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#if JVET_L0256_BIO
  // backup data
  int backupWidth = width;
  int backupHeight = height;
  Pel *backupDstBufPtr = dstBuf.buf;
  int backupDstBufStride = dstBuf.stride;

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  if (bioApplied && compID == COMPONENT_Y)
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  {
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    width = width + 2 * BIO_EXTEND_SIZE + 2;
    height = height + 2 * BIO_EXTEND_SIZE + 2;
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    // change MC output
    dstBuf.stride = width;
    dstBuf.buf = m_filteredBlockTmp[2 + m_iRefListIdx][compID] + 2 * dstBuf.stride + 2;
  }
#endif

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  if( yFrac == 0 )
  {
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#if JVET_L0256_BIO
    m_if.filterHor(compID, (Pel*)refBuf.buf, refBuf.stride, dstBuf.buf, dstBuf.stride, backupWidth, backupHeight, xFrac, rndRes, chFmt, clpRng);
#else
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    m_if.filterHor(compID, (Pel*) refBuf.buf, refBuf.stride, dstBuf.buf, dstBuf.stride, width, height, xFrac, rndRes, chFmt, clpRng);
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#endif
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  }
  else if( xFrac == 0 )
  {
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#if JVET_L0256_BIO
    m_if.filterVer(compID, (Pel*)refBuf.buf, refBuf.stride, dstBuf.buf, dstBuf.stride, backupWidth, backupHeight, yFrac, true, rndRes, chFmt, clpRng);
#else
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    m_if.filterVer(compID, (Pel*) refBuf.buf, refBuf.stride, dstBuf.buf, dstBuf.stride, width, height, yFrac, true, rndRes, chFmt, clpRng);
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#endif
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  }
  else
  {
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    PelBuf tmpBuf = PelBuf(m_filteredBlockTmp[0][compID], pu.blocks[compID]);
#if JVET_L0256_BIO
    tmpBuf.stride = dstBuf.stride;
#endif
569 570

    int vFilterSize = isLuma(compID) ? NTAPS_LUMA : NTAPS_CHROMA;
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#if JVET_L0256_BIO
    m_if.filterHor(compID, (Pel*)refBuf.buf - ((vFilterSize >> 1) - 1) * refBuf.stride, refBuf.stride, tmpBuf.buf, tmpBuf.stride, backupWidth, backupHeight + vFilterSize - 1, xFrac, false, chFmt, clpRng);
#else
574
    m_if.filterHor(compID, (Pel*) refBuf.buf - ((vFilterSize >> 1) - 1) * refBuf.stride, refBuf.stride, tmpBuf.buf, tmpBuf.stride, width, height + vFilterSize - 1, xFrac, false,         chFmt, clpRng);
575
#endif
576
    JVET_J0090_SET_CACHE_ENABLE( false );
577 578 579
#if JVET_L0256_BIO
    m_if.filterVer(compID, (Pel*)tmpBuf.buf + ((vFilterSize >> 1) - 1) * tmpBuf.stride, tmpBuf.stride, dstBuf.buf, dstBuf.stride, backupWidth, backupHeight, yFrac, false, rndRes, chFmt, clpRng);
#else
580
    m_if.filterVer(compID, (Pel*) tmpBuf.buf + ((vFilterSize >> 1) - 1) * tmpBuf.stride, tmpBuf.stride, dstBuf.buf, dstBuf.stride, width, height,                   yFrac, false, rndRes, chFmt, clpRng);
581
#endif
582 583
    JVET_J0090_SET_CACHE_ENABLE( true );
  }
584
#if JVET_L0256_BIO
585
  if (bioApplied && compID == COMPONENT_Y)
586 587 588 589 590 591 592 593 594 595 596 597
  {
    refBuf.buf = refBuf.buf - refBuf.stride - 1;
    dstBuf.buf = m_filteredBlockTmp[2 + m_iRefListIdx][compID] + dstBuf.stride + 1;
    bioSampleExtendBilinearFilter(refBuf.buf, refBuf.stride, dstBuf.buf, dstBuf.stride, width - 2, height - 2, 1, xFrac, yFrac, rndRes, chFmt, clpRng);

    // restore data 
    width = backupWidth;
    height = backupHeight;
    dstBuf.buf = backupDstBufPtr;
    dstBuf.stride = backupDstBufStride;
  }
#endif
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}

void InterPrediction::xPredAffineBlk( const ComponentID& compID, const PredictionUnit& pu, const Picture* refPic, const Mv* _mv, PelUnitBuf& dstPic, const bool& bi, const ClpRng& clpRng )
{
  if ( (pu.cu->affineType == AFFINEMODEL_6PARAM && _mv[0] == _mv[1] && _mv[0] == _mv[2])
    || (pu.cu->affineType == AFFINEMODEL_4PARAM && _mv[0] == _mv[1])
    )
  {
    Mv mvTemp = _mv[0];
    clipMv( mvTemp, pu.cu->lumaPos(), *pu.cs->sps );
    xPredInterBlk( compID, pu, refPic, mvTemp, dstPic, bi, clpRng );
    return;
  }

  JVET_J0090_SET_REF_PICTURE( refPic, compID );
  const ChromaFormat chFmt = pu.chromaFormat;
  int iScaleX = ::getComponentScaleX( compID, chFmt );
  int iScaleY = ::getComponentScaleY( compID, chFmt );

  Mv mvLT =_mv[0];
  Mv mvRT =_mv[1];
  Mv mvLB =_mv[2];

621
#if !REMOVE_MV_ADAPT_PREC
622 623 624
  mvLT.setHighPrec();
  mvRT.setHighPrec();
  mvLB.setHighPrec();
625
#endif
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  // get affine sub-block width and height
  const int width  = pu.Y().width;
  const int height = pu.Y().height;
  int blockWidth = AFFINE_MIN_BLOCK_SIZE;
  int blockHeight = AFFINE_MIN_BLOCK_SIZE;

  blockWidth  >>= iScaleX;
  blockHeight >>= iScaleY;
  const int cxWidth  = width  >> iScaleX;
  const int cxHeight = height >> iScaleY;
  const int iHalfBW  = blockWidth  >> 1;
  const int iHalfBH  = blockHeight >> 1;

  const int iBit = MAX_CU_DEPTH;
  int iDMvHorX, iDMvHorY, iDMvVerX, iDMvVerY;
  iDMvHorX = (mvRT - mvLT).getHor() << (iBit - g_aucLog2[cxWidth]);
  iDMvHorY = (mvRT - mvLT).getVer() << (iBit - g_aucLog2[cxWidth]);
  if ( pu.cu->affineType == AFFINEMODEL_6PARAM )
  {
    iDMvVerX = (mvLB - mvLT).getHor() << (iBit - g_aucLog2[cxHeight]);
    iDMvVerY = (mvLB - mvLT).getVer() << (iBit - g_aucLog2[cxHeight]);
  }
  else
  {
    iDMvVerX = -iDMvHorY;
    iDMvVerY = iDMvHorX;
  }

  int iMvScaleHor = mvLT.getHor() << iBit;
  int iMvScaleVer = mvLT.getVer() << iBit;
  const SPS &sps    = *pu.cs->sps;
  const int iMvShift = 4;
  const int iOffset  = 8;
  const int iHorMax = ( sps.getPicWidthInLumaSamples()     + iOffset -      pu.Y().x - 1 ) << iMvShift;
  const int iHorMin = (      -(int)pu.cs->pcv->maxCUWidth  - iOffset - (int)pu.Y().x + 1 ) << iMvShift;
  const int iVerMax = ( sps.getPicHeightInLumaSamples()    + iOffset -      pu.Y().y - 1 ) << iMvShift;
  const int iVerMin = (      -(int)pu.cs->pcv->maxCUHeight - iOffset - (int)pu.Y().y + 1 ) << iMvShift;

  PelBuf tmpBuf = PelBuf(m_filteredBlockTmp[0][compID], pu.blocks[compID]);
  const int vFilterSize = isLuma(compID) ? NTAPS_LUMA : NTAPS_CHROMA;

  const int shift = iBit - 4 + VCEG_AZ07_MV_ADD_PRECISION_BIT_FOR_STORE + 2;

  // get prediction block by block
  for ( int h = 0; h < cxHeight; h += blockHeight )
  {
    for ( int w = 0; w < cxWidth; w += blockWidth )
    {
      int iMvScaleTmpHor = iMvScaleHor + iDMvHorX * (iHalfBW + w) + iDMvVerX * (iHalfBH + h);
      int iMvScaleTmpVer = iMvScaleVer + iDMvHorY * (iHalfBW + w) + iDMvVerY * (iHalfBH + h);
      roundAffineMv( iMvScaleTmpHor, iMvScaleTmpVer, shift );

      // clip and scale
      iMvScaleTmpHor = std::min<int>( iHorMax, std::max<int>( iHorMin, iMvScaleTmpHor ) );
      iMvScaleTmpVer = std::min<int>( iVerMax, std::max<int>( iVerMin, iMvScaleTmpVer ) );

      // get the MV in high precision
      int xFrac, yFrac, xInt, yInt;

      if (!iScaleX)
      {
        xInt  = iMvScaleTmpHor >> 4;
        xFrac = iMvScaleTmpHor & 15;
      }
      else
      {
        xInt  = iMvScaleTmpHor >> 5;
        xFrac = iMvScaleTmpHor & 31;
      }
      if (!iScaleY)
      {
        yInt  = iMvScaleTmpVer >> 4;
        yFrac = iMvScaleTmpVer & 15;
      }
      else
      {
        yInt  = iMvScaleTmpVer >> 5;
        yFrac = iMvScaleTmpVer & 31;
      }

      const CPelBuf refBuf = refPic->getRecoBuf( CompArea( compID, chFmt, pu.blocks[compID].offset(xInt + w, yInt + h), pu.blocks[compID] ) );
      PelBuf &dstBuf = dstPic.bufs[compID];

      if ( yFrac == 0 )
      {
        m_if.filterHor( compID, (Pel*) refBuf.buf, refBuf.stride, dstBuf.buf + w + h * dstBuf.stride, dstBuf.stride, blockWidth, blockHeight, xFrac, !bi, chFmt, clpRng );
      }
      else if ( xFrac == 0 )
      {
        m_if.filterVer( compID, (Pel*) refBuf.buf, refBuf.stride, dstBuf.buf + w + h * dstBuf.stride, dstBuf.stride, blockWidth, blockHeight, yFrac, true, !bi, chFmt, clpRng );
      }
      else
      {
        m_if.filterHor( compID, (Pel*) refBuf.buf - ((vFilterSize>>1) -1)*refBuf.stride, refBuf.stride, tmpBuf.buf, tmpBuf.stride, blockWidth, blockHeight+vFilterSize-1, xFrac, false,      chFmt, clpRng);
        JVET_J0090_SET_CACHE_ENABLE( false );
        m_if.filterVer( compID, tmpBuf.buf + ((vFilterSize>>1) -1)*tmpBuf.stride, tmpBuf.stride, dstBuf.buf + w + h * dstBuf.stride, dstBuf.stride, blockWidth, blockHeight, yFrac, false, !bi, chFmt, clpRng);
        JVET_J0090_SET_CACHE_ENABLE( true );
      }
    }
  }
}

int getMSB( unsigned x )
{
  int msb = 0, bits = ( sizeof(int) << 3 ), y = 1;
  while( x > 1u )
  {
    bits >>= 1;
    y      = x >> bits;
    if( y )
    {
      x    = y;
      msb += bits;
    }
  }
  msb += y;
  return msb;
}

746
#if JVET_L0256_BIO
747
void InterPrediction::applyBiOptFlow(const PredictionUnit &pu, const CPelUnitBuf &yuvSrc0, const CPelUnitBuf &yuvSrc1, const int &refIdx0, const int &refIdx1, PelUnitBuf &yuvDst, const BitDepths &clipBitDepths)
748
{
749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769
  const int     height = yuvDst.Y().height;
  const int     width = yuvDst.Y().width;
  int           heightG = height + 2 * BIO_EXTEND_SIZE;
  int           widthG = width + 2 * BIO_EXTEND_SIZE;
  int           offsetPos = widthG*BIO_EXTEND_SIZE + BIO_EXTEND_SIZE;

  Pel*          gradX0 = m_gradX0;
  Pel*          gradX1 = m_gradX1;
  Pel*          gradY0 = m_gradY0;
  Pel*          gradY1 = m_gradY1;

  int           stridePredMC = widthG + 2;
  const Pel*    srcY0 = m_filteredBlockTmp[2][COMPONENT_Y] + stridePredMC + 1;
  const Pel*    srcY1 = m_filteredBlockTmp[3][COMPONENT_Y] + stridePredMC + 1;
  const int     src0Stride = stridePredMC;
  const int     src1Stride = stridePredMC;

  Pel*          dstY = yuvDst.Y().buf;
  const int     dstStride = yuvDst.Y().stride;
  const Pel*    srcY0Temp = srcY0;
  const Pel*    srcY1Temp = srcY1;
770 771 772 773

  for (int refList = 0; refList < NUM_REF_PIC_LIST_01; refList++)
  {
    Pel* dstTempPtr = m_filteredBlockTmp[2 + refList][COMPONENT_Y] + stridePredMC + 1;
774 775
    Pel* gradY = (refList == 0) ? m_gradY0 : m_gradY1;
    Pel* gradX = (refList == 0) ? m_gradX0 : m_gradX1;
776

777 778 779
    g_pelBufOP.bioGradFilter(dstTempPtr, stridePredMC, widthG, heightG, widthG, gradX, gradY);
    Pel* padStr = m_filteredBlockTmp[2 + refList][COMPONENT_Y] + 2 * stridePredMC + 2;
    for (int y = 0; y< height; y++)
780
    {
781 782 783
      padStr[-1] = padStr[0];
      padStr[width] = padStr[width - 1];
      padStr += stridePredMC;
784 785
    }

786 787 788
    padStr = m_filteredBlockTmp[2 + refList][COMPONENT_Y] + 2 * stridePredMC + 1;
    ::memcpy(padStr - stridePredMC, padStr, sizeof(Pel)*(widthG));
    ::memcpy(padStr + height*stridePredMC, padStr + (height - 1)*stridePredMC, sizeof(Pel)*(widthG));
789 790 791 792 793 794 795 796
  }

  const ClpRng& clpRng = pu.cu->cs->slice->clpRng(COMPONENT_Y);
  const int   bitDepth = clipBitDepths.recon[toChannelType(COMPONENT_Y)];
  const int   shiftNum = IF_INTERNAL_PREC + 1 - bitDepth;
  const int   offset = (1 << (shiftNum - 1)) + 2 * IF_INTERNAL_OFFS;
  const int   limit = ((int)1 << (4 + IF_INTERNAL_PREC - bitDepth - 5));

797 798 799 800 801
  int*     dotProductTemp1 = m_dotProduct1;
  int*     dotProductTemp2 = m_dotProduct2;
  int*     dotProductTemp3 = m_dotProduct3;
  int*     dotProductTemp5 = m_dotProduct5;
  int*     dotProductTemp6 = m_dotProduct6;
802

803
  g_pelBufOP.calcBIOPar(srcY0Temp, srcY1Temp, gradX0, gradX1, gradY0, gradY1, dotProductTemp1, dotProductTemp2, dotProductTemp3, dotProductTemp5, dotProductTemp6, src0Stride, src1Stride, widthG, widthG, heightG);
804

805 806
  int xUnit = (width >> 2);
  int yUnit = (height >> 2);
807

808 809 810
  Pel *dstY0 = dstY;
  gradX0 = m_gradX0; gradX1 = m_gradX1;
  gradY0 = m_gradY0; gradY1 = m_gradY1;
811 812 813 814 815 816 817

  for (int yu = 0; yu < yUnit; yu++)
  {
    for (int xu = 0; xu < xUnit; xu++)
    {
      if (m_bioPredSubBlkDist[yu*xUnit + xu] < m_bioSubBlkDistThres)
      {
818 819 820 821
        srcY0Temp = srcY0 + (stridePredMC + 1) + ((yu*src0Stride + xu) << 2);
        srcY1Temp = srcY1 + (stridePredMC + 1) + ((yu*src1Stride + xu) << 2);
        dstY0 = dstY + ((yu*dstStride + xu) << 2);
        g_pelBufOP.addAvg4(srcY0Temp, src0Stride, srcY1Temp, src1Stride, dstY0, dstStride, (1 << 2), (1 << 2), shiftNum, offset, clpRng);
822 823 824 825 826
        continue;
      }

      int     sGxdI = 0, sGydI = 0, sGxGy = 0, sGx2 = 0, sGy2 = 0;
      int     tmpx = 0, tmpy = 0;
827

828 829 830 831 832
      dotProductTemp1 = m_dotProduct1 + offsetPos + ((yu*widthG + xu) << 2);
      dotProductTemp2 = m_dotProduct2 + offsetPos + ((yu*widthG + xu) << 2);
      dotProductTemp3 = m_dotProduct3 + offsetPos + ((yu*widthG + xu) << 2);
      dotProductTemp5 = m_dotProduct5 + offsetPos + ((yu*widthG + xu) << 2);
      dotProductTemp6 = m_dotProduct6 + offsetPos + ((yu*widthG + xu) << 2);
833

834
      g_pelBufOP.calcBlkGradient(xu << 2, yu << 2, dotProductTemp1, dotProductTemp2, dotProductTemp3, dotProductTemp5, dotProductTemp6, sGx2, sGy2, sGxGy, sGxdI, sGydI, widthG, heightG, (1 << 2));
835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850

      if (sGx2 > 0)
      {
        tmpx = rightShiftMSB(sGxdI << 3, sGx2);
        tmpx = Clip3(-limit, limit, tmpx);
      }
      if (sGy2 > 0)
      {
        int     mainsGxGy = sGxGy >> 12;
        int     secsGxGy = sGxGy & ((1 << 12) - 1);
        int     tmpData = tmpx * mainsGxGy;
        tmpData = ((tmpData << 12) + tmpx*secsGxGy) >> 1;
        tmpy = rightShiftMSB(((sGydI << 3) - tmpData), sGy2);
        tmpy = Clip3(-limit, limit, tmpy);
      }

851 852 853 854 855 856
      srcY0Temp = srcY0 + (stridePredMC + 1) + ((yu*src0Stride + xu) << 2);
      srcY1Temp = srcY1 + (stridePredMC + 1) + ((yu*src0Stride + xu) << 2);
      gradX0 = m_gradX0 + offsetPos + ((yu*widthG + xu) << 2);
      gradX1 = m_gradX1 + offsetPos + ((yu*widthG + xu) << 2);
      gradY0 = m_gradY0 + offsetPos + ((yu*widthG + xu) << 2);
      gradY1 = m_gradY1 + offsetPos + ((yu*widthG + xu) << 2);
857

858 859
      dstY0 = dstY + ((yu*dstStride + xu) << 2);
      g_pelBufOP.addBIOAvg4(srcY0Temp, src0Stride, srcY1Temp, src1Stride, dstY0, dstStride, gradX0, gradX1, gradY0, gradY1, widthG, (1 << 2), (1 << 2), (int)tmpx, (int)tmpy, shiftNum, offset, clpRng);
860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959
    }  // xu
  }  // yu
}

void InterPrediction::bioSampleExtendBilinearFilter(Pel const* src, int srcStride, Pel *dst, int dstStride, int width, int height, int dim, int fracX, int fracY, bool isLast, const ChromaFormat fmt, const ClpRng& clpRng)
{
  Pel const* pSrc = NULL;
  Pel*       pDst = NULL;

  int vFilterSize = NTAPS_LUMA;
  int widthTmp = 0;
  int heightTmp = 0;

  for (int cand = 0; cand < 4; cand++)  // top, left, bottom and right
  {

    if (cand == 0)  // top
    {
      pSrc = src;
      pDst = dst;
      widthTmp = width;
      heightTmp = dim;
    }
    else if (cand == 1)  // left
    {
      pSrc = src + dim*srcStride;
      pDst = dst + dim*dstStride;
      widthTmp = dim;
      heightTmp = height - 2 * dim;
    }
    else if (cand == 2)  // bottom
    {
      pSrc = src + (height - dim)*srcStride;
      pDst = dst + (height - dim)*dstStride;
      widthTmp = width;
      heightTmp = dim;
    }
    else if (cand == 3)  // right
    {
      pSrc = src + dim*srcStride + width - dim;
      pDst = dst + dim*dstStride + width - dim;
      widthTmp = dim;
      heightTmp = height - 2 * dim;
    }

    if (fracY == 0)
    {
      m_if.filterHor(COMPONENT_Y, pSrc, srcStride, pDst, dstStride, widthTmp, heightTmp, fracX, isLast, fmt, clpRng, 1);
    }
    else if (fracX == 0)
    {
      m_if.filterVer(COMPONENT_Y, pSrc, srcStride, pDst, dstStride, widthTmp, heightTmp, fracY, true, isLast, fmt, clpRng, 1);
    }
    else
    {
      PelBuf tmpBuf = PelBuf(m_filteredBlockTmp[0][COMPONENT_Y], Size(width, height));
      tmpBuf.stride = width;

      m_if.filterHor(COMPONENT_Y, pSrc - ((vFilterSize >> 1) - 1) * srcStride, srcStride, tmpBuf.buf, tmpBuf.stride, widthTmp, heightTmp + vFilterSize - 1, fracX, false, fmt, clpRng, 1);
      m_if.filterVer(COMPONENT_Y, tmpBuf.buf + ((vFilterSize >> 1) - 1) * tmpBuf.stride, tmpBuf.stride, pDst, dstStride, widthTmp, heightTmp, fracY, false, isLast, fmt, clpRng, 1);
    }
  }
}

bool InterPrediction::xCalcBiPredSubBlkDist(const PredictionUnit &pu, const Pel* pYuvSrc0, const int src0Stride, const Pel* pYuvSrc1, const int src1Stride, const BitDepths &clipBitDepths)
{
  const int     width = pu.lwidth();
  const int     height = pu.lheight();
  const int     clipbd = clipBitDepths.recon[toChannelType(COMPONENT_Y)];
  const uint32_t distortionShift = DISTORTION_PRECISION_ADJUSTMENT(clipbd);
  const int     shift = std::max<int>(2, (IF_INTERNAL_PREC - clipbd));
  const int     xUnit = (width >> 2);
  const int     yUnit = (height >> 2);

  m_bioDistThres = (shift <= 5) ? (((32 << (clipbd - 8))*width*height) >> (5 - shift)) : (((32 << (clipbd - 8))*width*height) << (shift - 5));
  m_bioSubBlkDistThres = (shift <= 5) ? (((64 << (clipbd - 8)) << 4) >> (5 - shift)) : (((64 << (clipbd - 8)) << 4) << (shift - 5));

  m_bioDistThres >>= distortionShift;
  m_bioSubBlkDistThres >>= distortionShift;

  DistParam cDistParam;
  Distortion dist = 0;
  for (int yu = 0, blkIdx = 0; yu < yUnit; yu++)
  {
    for (int xu = 0; xu < xUnit; xu++, blkIdx++)
    {
      const Pel* pPred0 = pYuvSrc0 + ((yu*src0Stride + xu) << 2);
      const Pel* pPred1 = pYuvSrc1 + ((yu*src1Stride + xu) << 2);

      m_pcRdCost->setDistParam(cDistParam, pPred0, pPred1, src0Stride, src1Stride, clipbd, COMPONENT_Y, (1 << 2), (1 << 2), 0, 1, false, true);
      m_bioPredSubBlkDist[blkIdx] = cDistParam.distFunc(cDistParam);
      dist += m_bioPredSubBlkDist[blkIdx];
    }
  }

  return (dist >= m_bioDistThres);
}
#endif

#if JVET_L0256_BIO
960
void InterPrediction::xWeightedAverage(const PredictionUnit& pu, const CPelUnitBuf& pcYuvSrc0, const CPelUnitBuf& pcYuvSrc1, PelUnitBuf& pcYuvDst, const BitDepths& clipBitDepths, const ClpRngs& clpRngs, const bool& bioApplied )
961
#else
962
void InterPrediction::xWeightedAverage( const PredictionUnit& pu, const CPelUnitBuf& pcYuvSrc0, const CPelUnitBuf& pcYuvSrc1, PelUnitBuf& pcYuvDst, const BitDepths& clipBitDepths, const ClpRngs& clpRngs )
963
#endif
964 965 966 967 968 969
{
  const int iRefIdx0 = pu.refIdx[0];
  const int iRefIdx1 = pu.refIdx[1];

  if( iRefIdx0 >= 0 && iRefIdx1 >= 0 )
  {
970 971 972
#if JVET_L0646_GBI
    if( pu.cu->GBiIdx != GBI_DEFAULT )
    {
973
#if JVET_L0256_BIO
974
      CHECK(bioApplied, "GBi is disallowed with BIO");
975
#endif
976 977 978 979
      pcYuvDst.addWeightedAvg(pcYuvSrc0, pcYuvSrc1, clpRngs, pu.cu->GBiIdx);
      return;
    }
#endif
980
#if JVET_L0256_BIO
981
    if (bioApplied)
982
    {
983 984
      const int  src0Stride = pu.lwidth() + 2 * BIO_EXTEND_SIZE + 2;
      const int  src1Stride = pu.lwidth() + 2 * BIO_EXTEND_SIZE + 2;
985 986 987 988 989 990 991 992 993 994 995 996 997
      const Pel* pSrcY0 = m_filteredBlockTmp[2][COMPONENT_Y] + 2 * src0Stride + 2;
      const Pel* pSrcY1 = m_filteredBlockTmp[3][COMPONENT_Y] + 2 * src1Stride + 2;

      bool bioEnabled = xCalcBiPredSubBlkDist(pu, pSrcY0, src0Stride, pSrcY1, src1Stride, clipBitDepths);
      if (bioEnabled)
      {
        applyBiOptFlow(pu, pcYuvSrc0, pcYuvSrc1, iRefIdx0, iRefIdx1, pcYuvDst, clipBitDepths);
      }
      else
      {
        pcYuvDst.bufs[0].addAvg(CPelBuf(pSrcY0, src0Stride, pu.lumaSize()), CPelBuf(pSrcY1, src1Stride, pu.lumaSize()), clpRngs.comp[0]);
      }
    }
998
    pcYuvDst.addAvg(pcYuvSrc0, pcYuvSrc1, clpRngs, bioApplied);
999
#else
1000
    pcYuvDst.addAvg( pcYuvSrc0, pcYuvSrc1, clpRngs );
1001
#endif
1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012
  }
  else if( iRefIdx0 >= 0 && iRefIdx1 < 0 )
  {
    pcYuvDst.copyClip( pcYuvSrc0, clpRngs );
  }
  else if( iRefIdx0 < 0 && iRefIdx1 >= 0 )
  {
    pcYuvDst.copyClip( pcYuvSrc1, clpRngs );
  }
}

1013 1014
void InterPrediction::motionCompensation( PredictionUnit &pu, PelUnitBuf &predBuf, const RefPicList &eRefPicList 
)
1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049
{
        CodingStructure &cs = *pu.cs;
  const PPS &pps            = *cs.pps;
  const SliceType sliceType =  cs.slice->getSliceType();

  if( eRefPicList != REF_PIC_LIST_X )
  {
    if( ( ( sliceType == P_SLICE && pps.getUseWP() ) || ( sliceType == B_SLICE && pps.getWPBiPred() ) ) )
    {
      xPredInterUni         ( pu,          eRefPicList, predBuf, true );
      xWeightedPredictionUni( pu, predBuf, eRefPicList, predBuf, -1, m_maxCompIDToPred );
    }
    else
    {
      xPredInterUni( pu, eRefPicList, predBuf, false );
    }
  }
  else
  {
    if( pu.mergeType != MRG_TYPE_DEFAULT_N )
    {
      xSubPuMC( pu, predBuf, eRefPicList );
    }
    else if( xCheckIdenticalMotion( pu ) )
    {
      xPredInterUni( pu, REF_PIC_LIST_0, predBuf, false );
    }
    else
    {
      xPredInterBi( pu, predBuf );
    }
  }
  return;
}

1050 1051
void InterPrediction::motionCompensation( CodingUnit &cu, const RefPicList &eRefPicList 
)
1052 1053 1054 1055 1056 1057 1058 1059
{
  for( auto &pu : CU::traversePUs( cu ) )
  {
    PelUnitBuf predBuf = cu.cs->getPredBuf( pu );
    motionCompensation( pu, predBuf, eRefPicList );
  }
}

1060 1061
void InterPrediction::motionCompensation( PredictionUnit &pu, const RefPicList &eRefPicList /*= REF_PIC_LIST_X*/ 
)
1062 1063
{
  PelUnitBuf predBuf = pu.cs->getPredBuf( pu );
1064 1065
  motionCompensation( pu, predBuf, eRefPicList 
  );
1066 1067
}

1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079
#if JVET_L0256_BIO
int InterPrediction::rightShiftMSB(int numer, int denom)
{
  int     d;
  int msbIdx = 0;
  for (msbIdx = 0; msbIdx<32; msbIdx++)
  {
    if (denom < ((int)1 << msbIdx))
    {
      break;
    }
  }
1080

1081 1082
  int shiftIdx = msbIdx - 1;
  d = (numer >> shiftIdx);
1083

1084 1085 1086
  return d;
}
#endif
1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097

#if JVET_J0090_MEMORY_BANDWITH_MEASURE
void InterPrediction::cacheAssign( CacheModel *cache )
{
  m_cacheModel = cache;
  m_if.cacheAssign( cache );
  m_if.initInterpolationFilter( !cache->isCacheEnable() );
}
#endif

//! \}