afd2a5dac5
As per the libcamera coding guidelines, rename all .hpp header files to .h. 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>
79 lines
1.9 KiB
C++
79 lines
1.9 KiB
C++
/* SPDX-License-Identifier: BSD-2-Clause */
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/*
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* Copyright (C) 2019-2021, Raspberry Pi (Trading) Limited
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*
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* sdn.cpp - SDN (spatial denoise) control algorithm
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*/
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#include <libcamera/base/log.h>
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#include "../denoise_status.h"
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#include "../noise_status.h"
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#include "sdn.h"
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using namespace RPiController;
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using namespace libcamera;
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LOG_DEFINE_CATEGORY(RPiSdn)
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/*
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* Calculate settings for the spatial denoise block using the noise profile in
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* the image metadata.
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*/
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#define NAME "rpi.sdn"
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Sdn::Sdn(Controller *controller)
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: DenoiseAlgorithm(controller), mode_(DenoiseMode::ColourOff)
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{
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}
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char const *Sdn::name() const
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{
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return NAME;
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}
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void Sdn::read(boost::property_tree::ptree const ¶ms)
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{
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deviation_ = params.get<double>("deviation", 3.2);
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strength_ = params.get<double>("strength", 0.75);
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}
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void Sdn::initialise()
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{
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}
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void Sdn::prepare(Metadata *imageMetadata)
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{
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struct NoiseStatus noiseStatus = {};
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noiseStatus.noiseSlope = 3.0; /* in case no metadata */
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if (imageMetadata->get("noise.status", noiseStatus) != 0)
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LOG(RPiSdn, Warning) << "no noise profile found";
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LOG(RPiSdn, Debug)
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<< "Noise profile: constant " << noiseStatus.noiseConstant
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<< " slope " << noiseStatus.noiseSlope;
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struct DenoiseStatus status;
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status.noiseConstant = noiseStatus.noiseConstant * deviation_;
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status.noiseSlope = noiseStatus.noiseSlope * deviation_;
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status.strength = strength_;
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status.mode = static_cast<std::underlying_type_t<DenoiseMode>>(mode_);
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imageMetadata->set("denoise.status", status);
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LOG(RPiSdn, Debug)
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<< "programmed constant " << status.noiseConstant
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<< " slope " << status.noiseSlope
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<< " strength " << status.strength;
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}
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void Sdn::setMode(DenoiseMode mode)
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{
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/* We only distinguish between off and all other modes. */
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mode_ = mode;
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}
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/* Register algorithm with the system. */
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static Algorithm *create(Controller *controller)
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{
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return (Algorithm *)new Sdn(controller);
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}
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static RegisterAlgorithm reg(NAME, &create);
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