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/** \file     WeightPredAnalysis.h
    \brief    weighted prediction encoder class
*/
#ifndef __WEIGHTPREDANALYSIS__
#define __WEIGHTPREDANALYSIS__

#include "../TLibCommon/CommonDef.h"
#include "../TLibCommon/TComSlice.h"
#include "TEncCavlc.h"

class  WeightPredAnalysis
{
private:

  // member variables
  WPScalingParam  m_wp[NUM_REF_PIC_LIST_01][MAX_NUM_REF][MAX_NUM_COMPONENT];

  // member functions

  Bool  xSelectWP            (TComSlice *const slice, const Int log2Denom);
  Bool  xSelectWPHistExtClip (TComSlice *const slice, const Int log2Denom, const Bool bDoEnhancement, const Bool bClipInitialSADWP, const Bool bUseHistogram);
  Bool  xUpdatingWPParameters(TComSlice *const slice, const Int log2Denom);

public:

  WeightPredAnalysis();

  // WP analysis :
  Void  xCalcACDCParamSlice  (TComSlice *const slice);
  Void  xEstimateWPParamSlice(TComSlice *const slice, const WeightedPredictionMethod method);
  Void  xCheckWPEnable       (TComSlice *const slice);
};

#endif // __WEIGHTPREDANALYSIS__