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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2021-2022, Ideas On Board
*
* lsc.h - RkISP1 Lens Shading Correction control
*/
#pragma once
#include <map>
#include "algorithm.h"
namespace libcamera {
namespace ipa::rkisp1::algorithms {
class LensShadingCorrection : public Algorithm
{
public:
LensShadingCorrection();
~LensShadingCorrection() = default;
int init(IPAContext &context, const YamlObject &tuningData) override;
int configure(IPAContext &context, const IPACameraSensorInfo &configInfo) override;
void prepare(IPAContext &context, const uint32_t frame,
IPAFrameContext &frameContext,
rkisp1_params_cfg *params) override;
private:
struct Components {
uint32_t ct;
std::vector<uint16_t> r;
std::vector<uint16_t> gr;
std::vector<uint16_t> gb;
std::vector<uint16_t> b;
};
void setParameters(rkisp1_params_cfg *params);
void copyTable(rkisp1_cif_isp_lsc_config &config, const Components &set0);
void interpolateTable(rkisp1_cif_isp_lsc_config &config,
const Components &set0, const Components &set1,
const uint32_t ct);
std::map<uint32_t, Components> sets_;
std::vector<double> xSize_;
std::vector<double> ySize_;
uint16_t xGrad_[RKISP1_CIF_ISP_LSC_SECTORS_TBL_SIZE];
uint16_t yGrad_[RKISP1_CIF_ISP_LSC_SECTORS_TBL_SIZE];
uint16_t xSizes_[RKISP1_CIF_ISP_LSC_SECTORS_TBL_SIZE];
uint16_t ySizes_[RKISP1_CIF_ISP_LSC_SECTORS_TBL_SIZE];
struct {
uint32_t original;
uint32_t adjusted;
} lastCt_;
};
} /* namespace ipa::rkisp1::algorithms */
} /* namespace libcamera */
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