/* SPDX-License-Identifier: BSD-2-Clause */ /* * Copyright (C) 2019, Raspberry Pi Ltd * * controller.h - ISP controller interface */ #pragma once /* * The Controller is simply a container for a collecting together a number of * "control algorithms" (such as AWB etc.) and for running them all in a * convenient manner. */ #include <vector> #include <string> #include <linux/bcm2835-isp.h> #include "libcamera/internal/yaml_parser.h" #include "camera_mode.h" #include "device_status.h" #include "metadata.h" namespace RPiController { class Algorithm; typedef std::unique_ptr<Algorithm> AlgorithmPtr; typedef std::shared_ptr<bcm2835_isp_stats> StatisticsPtr; /* * The Controller holds a pointer to some global_metadata, which is how * different controllers and control algorithms within them can exchange * information. The Prepare function returns a pointer to metadata for this * specific image, and which should be passed on to the Process function. */ class Controller { public: Controller(); ~Controller(); int read(char const *filename); void initialise(); void switchMode(CameraMode const &cameraMode, Metadata *metadata); void prepare(Metadata *imageMetadata); void process(StatisticsPtr stats, Metadata *imageMetadata); Metadata &getGlobalMetadata(); Algorithm *getAlgorithm(std::string const &name) const; protected: int createAlgorithm(const std::string &name, const libcamera::YamlObject ¶ms); Metadata globalMetadata_; std::vector<AlgorithmPtr> algorithms_; bool switchModeCalled_; }; } /* namespace RPiController */