/* SPDX-License-Identifier: LGPL-2.1-or-later */ /* * Copyright (C) 2021-2022, Ideas On Board * * agc.h - RkISP1 AGC/AEC mean-based control algorithm */ #pragma once #include #include #include #include "algorithm.h" namespace libcamera { struct IPACameraSensorInfo; namespace ipa::rkisp1::algorithms { class Agc : public Algorithm { public: Agc(); ~Agc() = default; int configure(IPAContext &context, const IPACameraSensorInfo &configInfo) override; void prepare(IPAContext &context, rkisp1_params_cfg *params) override; void process(IPAContext &context, const rkisp1_stat_buffer *stats) override; private: void computeExposure(IPAContext &Context, double yGain, double iqMeanGain); utils::Duration filterExposure(utils::Duration exposureValue); double estimateLuminance(const rkisp1_cif_isp_ae_stat *ae, double gain); double measureBrightness(const rkisp1_cif_isp_hist_stat *hist) const; uint64_t frameCount_; uint32_t numCells_; uint32_t numHistBins_; utils::Duration filteredExposure_; }; } /* namespace ipa::rkisp1::algorithms */ } /* namespace libcamera */ cam Laurent Pinchart's clone of libcameragit repository hosting on libcamera.org
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