Pass the current frame number, and the current FrameContext for calls to prepare. Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Umang Jain <umang.jain@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
50 lines
1.2 KiB
C++
50 lines
1.2 KiB
C++
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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/*
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* Copyright (C) 2021-2022, Ideas On Board
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*
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* agc.h - RkISP1 AGC/AEC mean-based control algorithm
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*/
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#pragma once
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#include <linux/rkisp1-config.h>
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#include <libcamera/base/utils.h>
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#include <libcamera/geometry.h>
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#include "algorithm.h"
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namespace libcamera {
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namespace ipa::rkisp1::algorithms {
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class Agc : public Algorithm
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{
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public:
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Agc();
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~Agc() = default;
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int configure(IPAContext &context, const IPACameraSensorInfo &configInfo) override;
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void prepare(IPAContext &context, const uint32_t frame,
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IPAFrameContext &frameContext,
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rkisp1_params_cfg *params) override;
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void process(IPAContext &context, IPAFrameContext &frameContext,
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const rkisp1_stat_buffer *stats) override;
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private:
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void computeExposure(IPAContext &Context, double yGain, double iqMeanGain);
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utils::Duration filterExposure(utils::Duration exposureValue);
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double estimateLuminance(const rkisp1_cif_isp_ae_stat *ae, double gain);
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double measureBrightness(const rkisp1_cif_isp_hist_stat *hist) const;
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uint64_t frameCount_;
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uint32_t numCells_;
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uint32_t numHistBins_;
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utils::Duration filteredExposure_;
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};
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} /* namespace ipa::rkisp1::algorithms */
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} /* namespace libcamera */
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