1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
content / public / browser / media_capture_devices.h [blame]
// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_PUBLIC_BROWSER_MEDIA_CAPTURE_DEVICES_H_
#define CONTENT_PUBLIC_BROWSER_MEDIA_CAPTURE_DEVICES_H_
#include "content/common/content_export.h"
#include "media/base/video_facing.h"
#include "third_party/blink/public/common/mediastream/media_stream_request.h"
namespace content {
// This is a singleton class, used to get Audio/Video devices, it must be
// called in UI thread.
class CONTENT_EXPORT MediaCaptureDevices {
public:
// Get singleton instance of MediaCaptureDevices.
static MediaCaptureDevices* GetInstance();
// Return all Audio/Video devices.
virtual const blink::MediaStreamDevices& GetAudioCaptureDevices() = 0;
virtual const blink::MediaStreamDevices& GetVideoCaptureDevices() = 0;
virtual void AddVideoCaptureObserver(
media::VideoCaptureObserver* observer) = 0;
virtual void RemoveAllVideoCaptureObservers() = 0;
private:
// This interface should only be implemented inside content.
friend class MediaCaptureDevicesImpl;
MediaCaptureDevices() {}
virtual ~MediaCaptureDevices() {}
};
} // namespace content
#endif // CONTENT_PUBLIC_BROWSER_MEDIA_CAPTURE_DEVICES_H_