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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (C) 2019, Raspberry Pi (Trading) Limited
*
* controller.hpp - 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 "camera_mode.h"
#include "device_status.h"
#include "metadata.hpp"
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(char const *json_filename);
~Controller();
Algorithm *CreateAlgorithm(char const *name);
void Read(char const *filename);
void Initialise();
void SwitchMode(CameraMode const &camera_mode, Metadata *metadata);
void Prepare(Metadata *image_metadata);
void Process(StatisticsPtr stats, Metadata *image_metadata);
Metadata &GetGlobalMetadata();
Algorithm *GetAlgorithm(std::string const &name) const;
protected:
Metadata global_metadata_;
std::vector<AlgorithmPtr> algorithms_;
bool switch_mode_called_;
};
} // namespace RPiController
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