/* SPDX-License-Identifier: BSD-2-Clause */ /* * Copyright (C) 2019, Raspberry Pi (Trading) Limited * * algorithm.hpp - ISP control algorithm interface */ #pragma once // All algorithms should be derived from this class and made available to the // Controller. #include <string> #include <memory> #include <map> #include <atomic> #include "logging.hpp" #include "controller.hpp" #include <boost/property_tree/ptree.hpp> namespace RPi { // This defines the basic interface for all control algorithms. class Algorithm { public: Algorithm(Controller *controller) : controller_(controller), paused_(false) { } virtual ~Algorithm() {} virtual char const *Name() const = 0; virtual bool IsPaused() const { return paused_; } virtual void Pause() { paused_ = true; } virtual void Resume() { paused_ = false; } virtual void Read(boost::property_tree::ptree const ¶ms); virtual void Initialise(); virtual void SwitchMode(CameraMode const &camera_mode, Metadata *metadata); virtual void Prepare(Metadata *image_metadata); virtual void Process(StatisticsPtr &stats, Metadata *image_metadata); Metadata &GetGlobalMetadata() const { return controller_->GetGlobalMetadata(); } private: Controller *controller_; std::atomic<bool> paused_; }; // This code is for automatic registration of Front End algorithms with the // system. typedef Algorithm *(*AlgoCreateFunc)(Controller *controller); struct RegisterAlgorithm { RegisterAlgorithm(char const *name, AlgoCreateFunc create_func); }; std::map<std::string, AlgoCreateFunc> const &GetAlgorithms(); } // namespace RPi