ipa_module.h

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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
 * Copyright (C) 2019, Google Inc.
 *
 * Image Processing Algorithm module
 */

#pragma once

#include <stdint.h>
#include <string>
#include <vector>

#include <libcamera/base/log.h>

#include <libcamera/ipa/ipa_interface.h>
#include <libcamera/ipa/ipa_module_info.h>

#include "libcamera/internal/pipeline_handler.h"

namespace libcamera {

class IPAModule : public Loggable
{
public:
    explicit IPAModule(const std::string &libPath);
    ~IPAModule();

    bool isValid() const;

    const struct IPAModuleInfo &info() const;
    const std::vector<uint8_t> signature() const;
    const std::string &path() const;

    bool load();

    IPAInterface *createInterface();

    bool match(PipelineHandler *pipe,
           uint32_t minVersion, uint32_t maxVersion) const;

protected:
    std::string logPrefix() const override;

private:
    int loadIPAModuleInfo();

    struct IPAModuleInfo info_;
    std::vector<uint8_t> signature_;

    std::string libPath_;
    bool valid_;
    bool loaded_;

    void *dlHandle_;
    typedef IPAInterface *(*IPAIntfFactory)(void);
    IPAIntfFactory ipaCreate_;
};

} /* namespace libcamera */