/* 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 */