67e791373d
There are std::unique_ptr rvalue reference arguments. They are intended to pass the ownership to the functions. In the case, it is right to let the argument be std::unique_ptr value and pass by std::move(). Signed-off-by: Hirokazu Honda <hiroh@chromium.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
76 lines
1.6 KiB
C++
76 lines
1.6 KiB
C++
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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/*
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* Copyright (C) 2018-2019, Google Inc.
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*
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* device_enumerator_udev.h - udev-based device enumerator
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*/
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#ifndef __LIBCAMERA_INTERNAL_DEVICE_ENUMERATOR_UDEV_H__
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#define __LIBCAMERA_INTERNAL_DEVICE_ENUMERATOR_UDEV_H__
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#include <list>
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#include <map>
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#include <memory>
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#include <set>
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#include <string>
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#include <sys/types.h>
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#include "libcamera/internal/device_enumerator.h"
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struct udev;
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struct udev_device;
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struct udev_monitor;
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namespace libcamera {
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class EventNotifier;
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class MediaDevice;
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class MediaEntity;
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class DeviceEnumeratorUdev final : public DeviceEnumerator
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{
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public:
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DeviceEnumeratorUdev();
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~DeviceEnumeratorUdev();
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int init();
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int enumerate();
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private:
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using DependencyMap = std::map<dev_t, std::list<MediaEntity *>>;
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struct MediaDeviceDeps {
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MediaDeviceDeps(std::unique_ptr<MediaDevice> media,
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DependencyMap deps)
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: media_(std::move(media)), deps_(std::move(deps))
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{
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}
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bool operator==(const MediaDeviceDeps &other) const
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{
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return media_ == other.media_;
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}
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std::unique_ptr<MediaDevice> media_;
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DependencyMap deps_;
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};
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int addUdevDevice(struct udev_device *dev);
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int populateMediaDevice(MediaDevice *media, DependencyMap *deps);
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std::string lookupDeviceNode(dev_t devnum);
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int addV4L2Device(dev_t devnum);
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void udevNotify(EventNotifier *notifier);
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struct udev *udev_;
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struct udev_monitor *monitor_;
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EventNotifier *notifier_;
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std::set<dev_t> orphans_;
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std::list<MediaDeviceDeps> pending_;
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std::map<dev_t, MediaDeviceDeps *> devMap_;
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};
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} /* namespace libcamera */
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#endif /* __LIBCAMERA_INTERNAL_DEVICE_ENUMERATOR_UDEV_H__ */
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