/* SPDX-License-Identifier: LGPL-2.1-or-later */ /* * Copyright (C) 2021, Ideas On Board * * IPU3 AGC/AEC mean-based control algorithm */ #pragma once #include <linux/intel-ipu3.h> #include <libcamera/base/utils.h> #include <libcamera/geometry.h> #include "libipa/agc_mean_luminance.h" #include "libipa/histogram.h" #include "algorithm.h" namespace libcamera { struct IPACameraSensorInfo; namespace ipa::ipu3::algorithms { class Agc : public Algorithm, public AgcMeanLuminance { public: Agc(); ~Agc() = default; int init(IPAContext &context, const YamlObject &tuningData) override; int configure(IPAContext &context, const IPAConfigInfo &configInfo) override; void process(IPAContext &context, const uint32_t frame, IPAFrameContext &frameContext, const ipu3_uapi_stats_3a *stats, ControlList &metadata) override; private: double estimateLuminance(double gain) const override; Histogram parseStatistics(const ipu3_uapi_stats_3a *stats, const ipu3_uapi_grid_config &grid); utils::Duration minShutterSpeed_; utils::Duration maxShutterSpeed_; double minAnalogueGain_; double maxAnalogueGain_; uint32_t stride_; double rGain_; double gGain_; double bGain_; ipu3_uapi_grid_config bdsGrid_; std::vector<std::tuple<uint8_t, uint8_t, uint8_t>> rgbTriples_; }; } /* namespace ipa::ipu3::algorithms */ } /* namespace libcamera */