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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (C) 2022, Raspberry Pi Ltd
*
* denoise.hpp - Denoise (spatial, colour, temporal) control algorithm
*/
#pragma once
#include "algorithm.h"
#include "denoise_algorithm.h"
namespace RPiController {
// Algorithm to calculate correct denoise settings.
class Denoise : public DenoiseAlgorithm
{
public:
Denoise(Controller *controller);
char const *name() const override;
int read(const libcamera::YamlObject ¶ms) override;
void initialise() override;
void switchMode(CameraMode const &cameraMode, Metadata *metadata) override;
void prepare(Metadata *imageMetadata) override;
void setMode(DenoiseMode mode) override;
private:
double sdnDeviation_;
double sdnStrength_;
double sdnDeviation2_;
double sdnDeviationNoTdn_;
double sdnStrengthNoTdn_;
double sdnTdnBackoff_;
double cdnDeviation_;
double cdnStrength_;
double tdnDeviation_;
double tdnThreshold_;
DenoiseMode mode_;
bool tdnEnable_;
bool sdnEnable_;
bool cdnEnable_;
/* SDN parameters attenuate over time if TDN is running. */
double currentSdnDeviation_;
double currentSdnStrength_;
double currentSdnDeviation2_;
};
} // namespace RPiController
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