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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2021, Ideas On Board
*
* algorithm.h - ISP control algorithm interface
*/
#pragma once
#include <memory>
#include <stdint.h>
#include <string>
#include <libcamera/controls.h>
namespace libcamera {
class YamlObject;
namespace ipa {
template<typename _Module>
class Algorithm
{
public:
using Module = _Module;
virtual ~Algorithm() {}
virtual int init([[maybe_unused]] typename Module::Context &context,
[[maybe_unused]] const YamlObject &tuningData)
{
return 0;
}
virtual int configure([[maybe_unused]] typename Module::Context &context,
[[maybe_unused]] const typename Module::Config &configInfo)
{
return 0;
}
virtual void prepare([[maybe_unused]] typename Module::Context &context,
[[maybe_unused]] const uint32_t frame,
[[maybe_unused]] typename Module::FrameContext &frameContext,
[[maybe_unused]] typename Module::Params *params)
{
}
virtual void queueRequest([[maybe_unused]] typename Module::Context &context,
[[maybe_unused]] const uint32_t frame,
[[maybe_unused]] const ControlList &controls)
{
}
virtual void process([[maybe_unused]] typename Module::Context &context,
[[maybe_unused]] typename Module::FrameContext &frameContext,
[[maybe_unused]] const typename Module::Stats *stats)
{
}
};
template<typename _Module>
class AlgorithmFactoryBase
{
public:
AlgorithmFactoryBase(const char *name)
: name_(name)
{
_Module::registerAlgorithm(this);
}
virtual ~AlgorithmFactoryBase() = default;
const std::string &name() const { return name_; }
virtual std::unique_ptr<Algorithm<_Module>> create() const = 0;
private:
std::string name_;
};
template<typename _Algorithm>
class AlgorithmFactory : public AlgorithmFactoryBase<typename _Algorithm::Module>
{
public:
AlgorithmFactory(const char *name)
: AlgorithmFactoryBase<typename _Algorithm::Module>(name)
{
}
~AlgorithmFactory() = default;
std::unique_ptr<Algorithm<typename _Algorithm::Module>> create() const override
{
return std::make_unique<_Algorithm>();
}
};
#define REGISTER_IPA_ALGORITHM(algorithm, name) \
static AlgorithmFactory<algorithm> global_##algorithm##Factory(name);
} /* namespace ipa */
} /* namespace libcamera */
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