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/** \file     AQp.h
    \brief    class of picture which includes side information for encoder (header)
*/

#pragma once

#include "CommonLib/CommonDef.h"
#include "CommonLib/Picture.h"

// ====================================================================================================================
// Class definition
// ====================================================================================================================

// Local image characteristics for CUs on a specific depth
class AQpLayer
{
private:
  uint32_t m_partWidth;
  uint32_t m_partHeight;
  uint32_t m_widthInParts;
  uint32_t m_heightInParts;
  double   m_avgActivity;

  std::vector<double> m_activities;

public:
  AQpLayer(int width, int height, uint32_t partWidth, uint32_t partHeight);
  virtual ~AQpLayer();

  uint32_t getAQPartWidth() const { return m_partWidth; }
  uint32_t getAQPartHeight() const { return m_partHeight; }
  uint32_t getNumAQPartInWidth() const { return m_widthInParts; }
  uint32_t getNumAQPartInHeight() const { return m_heightInParts; }
  uint32_t getAQPartStride() const { return m_widthInParts; }

  std::vector<double> &getQPAdaptationUnit() { return m_activities; }

  double getActivity(const Position &pos) const
  {
    const uint32_t x = pos.x / m_partWidth;
    const uint32_t y = pos.y / m_partHeight;
    return m_activities[y * m_widthInParts + x];
  }

  double getAvgActivity() const { return m_avgActivity; }

  void setAvgActivity(double d) { m_avgActivity = d; }
};

// Source picture analyzer class
class AQpPreanalyzer
{
protected:
  AQpPreanalyzer() {}
  virtual ~AQpPreanalyzer() {}
public:
  static void preanalyze(Picture *pic);
};