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>
 
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(const char *name, 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 */