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

#ifndef __TCOMWEIGHTPREDICTION__
#define __TCOMWEIGHTPREDICTION__

#include "CommonDef.h"

// forward declarations
class  TComDataCU;
class  TComYuv;
struct WPScalingParam;

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

  Void  getWpScaling(                 TComDataCU     *const pcCU,
                                const Int                   iRefIdx0,
                                const Int                   iRefIdx1,
                                      WPScalingParam      *&wp0,
                                      WPScalingParam      *&wp1);

  Void addWeightBi(             const TComYuv              *pcYuvSrc0,
                                const TComYuv              *pcYuvSrc1,
                                const BitDepths            &bitDepths,
                                const UInt                  iPartUnitIdx,
                                const UInt                  uiWidth,
                                const UInt                  uiHeight,
                                const WPScalingParam *const wp0,
                                const WPScalingParam *const wp1,
                                      TComYuv        *const rpcYuvDst,
                                const Bool                  bRoundLuma=true );

  Void  addWeightUni(           const TComYuv        *const pcYuvSrc0,
                                const BitDepths            &bitDepths,
                                const UInt                  iPartUnitIdx,
                                const UInt                  uiWidth,
                                const UInt                  uiHeight,
                                const WPScalingParam *const wp0,
                                      TComYuv        *const rpcYuvDst );

  Void  xWeightedPredictionUni(       TComDataCU     *const pcCU,
                                const TComYuv        *const pcYuvSrc,
                                const UInt                  uiPartAddr,
                                const Int                   iWidth,
                                const Int                   iHeight,
                                const RefPicList            eRefPicList,
                                      TComYuv              *pcYuvPred,
                                const Int                   iRefIdx=-1 );

  Void  xWeightedPredictionBi(        TComDataCU     *const pcCU,
                                const TComYuv        *const pcYuvSrc0,
                                const TComYuv        *const pcYuvSrc1,
                                const Int                   iRefIdx0,
                                const Int                   iRefIdx1,
                                const UInt                  uiPartIdx,
                                const Int                   iWidth,
                                const Int                   iHeight,
                                      TComYuv              *pcYuvDst );
};

#endif