/* SPDX-License-Identifier: BSD-2-Clause */ /* * Copyright (C) 2019, Raspberry Pi (Trading) Limited * * black_level.cpp - black level control algorithm */ #include <math.h> #include <stdint.h> #include "../black_level_status.h" #include "../logging.hpp" #include "black_level.hpp" using namespace RPiController; #define NAME "rpi.black_level" BlackLevel::BlackLevel(Controller *controller) : Algorithm(controller) { } char const *BlackLevel::Name() const { return NAME; } void BlackLevel::Read(boost::property_tree::ptree const ¶ms) { RPI_LOG(Name()); uint16_t black_level = params.get<uint16_t>( "black_level", 4096); // 64 in 10 bits scaled to 16 bits black_level_r_ = params.get<uint16_t>("black_level_r", black_level); black_level_g_ = params.get<uint16_t>("black_level_g", black_level); black_level_b_ = params.get<uint16_t>("black_level_b", black_level); } void BlackLevel::Prepare(Metadata *image_metadata) { // Possibly we should think about doing this in a switch_mode or // something? struct BlackLevelStatus status; status.black_level_r = black_level_r_; status.black_level_g = black_level_g_; status.black_level_b = black_level_b_; image_metadata->Set("black_level.status", status); } // Register algorithm with the system. static Algorithm *Create(Controller *controller) { return new BlackLevel(controller); } static RegisterAlgorithm reg(NAME, &Create);