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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2024 Ideas on Board Oy
*
* Generic AWB algorithms
*/
#pragma once
#include <libcamera/controls.h>
#include "libcamera/internal/vector.h"
#include "libcamera/internal/yaml_parser.h"
namespace libcamera {
namespace ipa {
struct AwbResult {
RGB<double> gains;
double colourTemperature;
};
struct AwbStats {
virtual double computeColourError(const RGB<double> &gains) const = 0;
virtual RGB<double> getRGBMeans() const = 0;
};
class AwbAlgorithm
{
public:
virtual ~AwbAlgorithm() = default;
virtual int init(const YamlObject &tuningData) = 0;
virtual AwbResult calculateAwb(const AwbStats &stats, int lux) = 0;
virtual RGB<double> gainsFromColourTemperature(double colourTemperature) = 0;
const ControlInfoMap::Map &controls() const
{
return controls_;
}
virtual void handleControls([[maybe_unused]] const ControlList &controls) {}
protected:
ControlInfoMap::Map controls_;
};
} /* namespace ipa */
} /* namespace libcamera */
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