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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MEDIA_CAPTURE_VIDEO_LINUX_SCOPED_V4L2_DEVICE_FD_H_
#define MEDIA_CAPTURE_VIDEO_LINUX_SCOPED_V4L2_DEVICE_FD_H_
#include "base/memory/raw_ptr.h"
#include "media/capture/video/linux/v4l2_capture_device.h"
namespace media {
class ScopedV4L2DeviceFD {
public:
static constexpr int kInvalidId = -1;
explicit ScopedV4L2DeviceFD(V4L2CaptureDevice* v4l2);
ScopedV4L2DeviceFD(V4L2CaptureDevice* v4l2, int device_fd);
~ScopedV4L2DeviceFD();
int get() const;
void reset(int fd = kInvalidId);
bool is_valid() const;
private:
int device_fd_;
const raw_ptr<V4L2CaptureDevice> v4l2_;
};
} // namespace media
#endif // MEDIA_CAPTURE_VIDEO_LINUX_SCOPED_V4L2_DEVICE_FD_H_
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