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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2019, Google Inc.
*
* ipa_manager.h - Image Processing Algorithm module manager
*/
#ifndef __LIBCAMERA_INTERNAL_IPA_MANAGER_H__
#define __LIBCAMERA_INTERNAL_IPA_MANAGER_H__
#include <stdint.h>
#include <vector>
#include <libcamera/ipa/ipa_interface.h>
#include <libcamera/ipa/ipa_module_info.h>
#include "libcamera/internal/ipa_module.h"
#include "libcamera/internal/log.h"
#include "libcamera/internal/pipeline_handler.h"
#include "libcamera/internal/pub_key.h"
namespace libcamera {
LOG_DECLARE_CATEGORY(IPAManager)
class IPAManager
{
public:
IPAManager();
~IPAManager();
template<typename T>
static std::unique_ptr<T> createIPA(PipelineHandler *pipe,
uint32_t maxVersion,
uint32_t minVersion)
{
IPAModule *m = nullptr;
for (IPAModule *module : self_->modules_) {
if (module->match(pipe, minVersion, maxVersion)) {
m = module;
break;
}
}
if (!m)
return nullptr;
std::unique_ptr<T> proxy = std::make_unique<T>(m, !self_->isSignatureValid(m));
if (!proxy->isValid()) {
LOG(IPAManager, Error) << "Failed to load proxy";
return nullptr;
}
return proxy;
}
private:
static IPAManager *self_;
void parseDir(const char *libDir, unsigned int maxDepth,
std::vector<std::string> &files);
unsigned int addDir(const char *libDir, unsigned int maxDepth = 0);
bool isSignatureValid(IPAModule *ipa) const;
std::vector<IPAModule *> modules_;
#if HAVE_IPA_PUBKEY
static const uint8_t publicKeyData_[];
static const PubKey pubKey_;
#endif
};
} /* namespace libcamera */
#endif /* __LIBCAMERA_INTERNAL_IPA_MANAGER_H__ */
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