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/* 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 */
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