/* SPDX-License-Identifier: BSD-2-Clause */ /* * Copyright (C) 2019, Raspberry Pi (Trading) Limited * * sdn.cpp - SDN (spatial denoise) control algorithm */ #include "../noise_status.h" #include "../sdn_status.h" #include "sdn.hpp" using namespace RPi; // Calculate settings for the spatial denoise block using the noise profile in // the image metadata. #define NAME "rpi.sdn" Sdn::Sdn(Controller *controller) : Algorithm(controller) { } char const *Sdn::Name() const { return NAME; } void Sdn::Read(boost::property_tree::ptree const ¶ms) { deviation_ = params.get<double>("deviation", 3.2); strength_ = params.get<double>("strength", 0.75); } void Sdn::Initialise() {} void Sdn::Prepare(Metadata *image_metadata) { struct NoiseStatus noise_status = {}; noise_status.noise_slope = 3.0; // in case no metadata if (image_metadata->Get("noise.status", noise_status) != 0) RPI_WARN("Sdn: no noise profile found"); RPI_LOG("Noise profile: constant " << noise_status.noise_constant << " slope " << noise_status.noise_slope); struct SdnStatus status; status.noise_constant = noise_status.noise_constant * deviation_; status.noise_slope = noise_status.noise_slope * deviation_; status.strength = strength_; image_metadata->Set("sdn.status", status); RPI_LOG("Sdn: programmed constant " << status.noise_constant << " slope " << status.noise_slope << " strength " << status.strength); } // Register algorithm with the system. static Algorithm *Create(Controller *controller) { return (Algorithm *)new Sdn(controller); } static RegisterAlgorithm reg(NAME, &Create);