libcamera/vivid.git - libcamera pipeline handler for VIVID

Age	Commit message (Expand)	Author
2021-09-24	test: gstreamer: Add a test for gstreamer multi stream	Vedant Paranjape
2021-09-08	test: gstreamer: Factor out code into a base class	Vedant Paranjape
2021-08-14	test: gstreamer: Add test for gstreamer single stream	Vedant Paranjape

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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
 */

#pragma once

#include <memory>
#include <string>
#include <vector>

#include <libcamera/base/signal.h>

namespace libcamera {

class MediaDevice;

class DeviceMatch
{
public:
	DeviceMatch(const std::string &driver);

	void add(const std::string &entity);

	bool match(const MediaDevice *device) const;

private:
	std::string driver_;
	std::vector<std::string> entities_;
};

class DeviceEnumerator
{
public:
	static std::unique_ptr<DeviceEnumerator> create();

	virtual ~DeviceEnumerator();

	virtual int init() = 0;
	virtual int enumerate() = 0;

	std::shared_ptr<MediaDevice> search(const DeviceMatch &dm);

	Signal<> devicesAdded;

protected:
	std::unique_ptr<MediaDevice> createDevice(const std::string &deviceNode);
	void addDevice(std::unique_ptr<MediaDevice> media);
	void removeDevice(const std::string &deviceNode);

private:
	std::vector<std::shared_ptr<MediaDevice>> devices_;
};

} /* namespace libcamera */