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Diffstat (limited to 'src/ipa/rkisp1/algorithms/lsc.h')
-rw-r--r-- | src/ipa/rkisp1/algorithms/lsc.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/ipa/rkisp1/algorithms/lsc.h b/src/ipa/rkisp1/algorithms/lsc.h new file mode 100644 index 00000000..e2a93a56 --- /dev/null +++ b/src/ipa/rkisp1/algorithms/lsc.h @@ -0,0 +1,59 @@ +/* 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 */ |