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/* 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 "controller.hpp"
#include <boost/property_tree/ptree.hpp>
namespace RPiController {
// This defines the basic interface for all control algorithms.
class Algorithm
{
public:
Algorithm(Controller *controller)
: controller_(controller), paused_(false)
{
}
virtual ~Algorithm() = default;
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 RPiController
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