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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
* Copyright (C) 2018, Google Inc.
*
* device_enumerator.h - API to enumerate and find media devices
*/
#ifndef __LIBCAMERA_DEVICE_ENUMERATOR_H__
#define __LIBCAMERA_DEVICE_ENUMERATOR_H__
#include <map>
#include <string>
#include <vector>
#include <linux/media.h>
namespace libcamera {
class DeviceInfo
{
public:
DeviceInfo(const std::string &devnode, const struct media_device_info &info,
const std::map<std::string, std::string> &entities);
int acquire();
void release();
bool busy() const;
const std::string &devnode() const;
const struct media_device_info &info() const;
std::vector<std::string> entities() const;
int lookup(const std::string &name, std::string &devnode) const;
private:
bool acquired_;
std::string devnode_;
struct media_device_info info_;
std::map<std::string, std::string> entities_;
};
class DeviceMatch
{
public:
DeviceMatch(const std::string &driver);
void add(const std::string &entity);
bool match(const DeviceInfo *info) const;
private:
std::string driver_;
std::vector<std::string> entities_;
};
} /* namespace libcamera */
#endif /* __LIBCAMERA_DEVICE_ENUMERATOR_H__ */
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