Naushir Patuck
f95bae418c
s/Raspberry Pi (Trading) Limited/Raspberry Pi Ltd/ to reflect the new Raspberry Pi entity name. Signed-off-by: Naushir Patuck <naush@raspberrypi.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
46 lines
1.1 KiB
C++
46 lines
1.1 KiB
C++
/* SPDX-License-Identifier: BSD-2-Clause */
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/*
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* Copyright (C) 2019, Raspberry Pi Ltd
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*
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* lux.h - Lux control algorithm
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*/
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#pragma once
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#include <mutex>
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#include <libcamera/base/utils.h>
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#include "../lux_status.h"
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#include "../algorithm.h"
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/* This is our implementation of the "lux control algorithm". */
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namespace RPiController {
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class Lux : public Algorithm
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{
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public:
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Lux(Controller *controller);
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char const *name() const override;
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void read(boost::property_tree::ptree const ¶ms) override;
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void prepare(Metadata *imageMetadata) override;
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void process(StatisticsPtr &stats, Metadata *imageMetadata) override;
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void setCurrentAperture(double aperture);
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private:
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/*
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* These values define the conditions of the reference image, against
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* which we compare the new image.
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*/
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libcamera::utils::Duration referenceShutterSpeed_;
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double referenceGain_;
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double referenceAperture_; /* units of 1/f */
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double referenceY_; /* out of 65536 */
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double referenceLux_;
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double currentAperture_;
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LuxStatus status_;
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std::mutex mutex_;
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};
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} /* namespace RPiController */
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