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/** \file     WeightPrediction.h
    \brief    weighting prediction class (header)
*/

#ifndef __WEIGHTPREDICTION__
#define __WEIGHTPREDICTION__

#include "CommonDef.h"
#include "Slice.h"
#include "Unit.h"
#include "Buffer.h"

// forward declarations
struct WPScalingParam;

// ====================================================================================================================
// Class definition
// ====================================================================================================================
/// weighting prediction class
class WeightPrediction
{
public:
  WeightPrediction();

  void getWpScaling(Slice *slice, const int refIdx0, const int refIdx1, WPScalingParam *&wp0, WPScalingParam *&wp1,
                    const ComponentID maxNumComp = MAX_NUM_COMPONENT);

  void addWeightBi(const CPelUnitBuf &pcYuvSrc0, const CPelUnitBuf &pcYuvSrc1, const ClpRngs &clpRngs,
                   const WPScalingParam *const wp0, const WPScalingParam *const wp1, PelUnitBuf &rpcYuvDst,
                   const ComponentID maxNumComp = MAX_NUM_COMPONENT, bool lumaOnly = false, bool chromaOnly = false);

  void addWeightUni(const CPelUnitBuf &pcYuvSrc0, const ClpRngs &clpRngs, const WPScalingParam *const wp0,
                    PelUnitBuf &rpcYuvDst, const ComponentID maxNumComp = MAX_NUM_COMPONENT, bool lumaOnly = false,
                    bool chromaOnly = false);

  void xWeightedPredictionUni(const PredictionUnit &pu, const CPelUnitBuf &pcYuvSrc, const RefPicList &eRefPicList,
                              PelUnitBuf &pcYuvPred, const int refIdx = -1,
                              const ComponentID maxNumComp = MAX_NUM_COMPONENT, bool lumaOnly = false,
                              bool chromaOnly = false);

  void xWeightedPredictionBi(const PredictionUnit &pu, const CPelUnitBuf &pcYuvSrc0, const CPelUnitBuf &pcYuvSrc1,
                             PelUnitBuf &pcYuvDst, const ComponentID maxNumComp = MAX_NUM_COMPONENT,
                             bool lumaOnly = false, bool chromaOnly = false);
};

#endif