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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef REMOTING_HOST_CAST_VIDEO_CAPTURER_ADAPTER_H_ | 5 #ifndef REMOTING_PROTOCOL_WEBRTC_VIDEO_CAPTURER_ADAPTER_H_ |
6 #define REMOTING_HOST_CAST_VIDEO_CAPTURER_ADAPTER_H_ | 6 #define REMOTING_PROTOCOL_WEBRTC_VIDEO_CAPTURER_ADAPTER_H_ |
7 | 7 |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "base/macros.h" | 10 #include "base/macros.h" |
11 #include "base/memory/scoped_ptr.h" | 11 #include "base/memory/scoped_ptr.h" |
12 #include "base/threading/thread_checker.h" | 12 #include "base/threading/thread_checker.h" |
13 #include "base/timer/timer.h" | 13 #include "base/timer/timer.h" |
14 #include "third_party/libjingle/source/talk/media/base/videocapturer.h" | 14 #include "third_party/libjingle/source/talk/media/base/videocapturer.h" |
15 #include "third_party/webrtc/modules/desktop_capture/screen_capturer.h" | 15 #include "third_party/webrtc/modules/desktop_capture/desktop_capturer.h" |
16 | 16 |
17 namespace base { | 17 namespace base { |
18 class SingleThreadTaskRunner; | 18 class SingleThreadTaskRunner; |
19 } // namespace base | 19 } // namespace base |
20 | 20 |
21 namespace webrtc { | 21 namespace webrtc { |
22 class DesktopFrame; | 22 class DesktopFrame; |
23 } // namespace webrtc | 23 } // namespace webrtc |
24 | 24 |
25 namespace remoting { | 25 namespace remoting { |
26 | 26 |
27 // This class controls the capture of video frames from the desktop and is used | 27 // This class controls the capture of video frames from the desktop and is used |
28 // to construct a VideoSource as part of the webrtc PeerConnection API. | 28 // to construct a VideoSource as part of the webrtc PeerConnection API. |
29 // CastVideoCapturerAdapter acts as an adapter between webrtc::DesktopCapturer | 29 // WebrtcVideoCapturerAdapter acts as an adapter between webrtc::DesktopCapturer |
30 // and the cricket::VideoCapturer interface, which it implements. It is used | 30 // and the cricket::VideoCapturer interface, which it implements. It is used |
31 // to construct a cricket::VideoSource for a PeerConnection, to capture frames | 31 // to construct a cricket::VideoSource for a PeerConnection, to capture frames |
32 // of the desktop. As indicated in the base implementation, Start() and Stop() | 32 // of the desktop. As indicated in the base implementation, Start() and Stop() |
33 // should be called on the same thread. | 33 // should be called on the same thread. |
34 class CastVideoCapturerAdapter : public cricket::VideoCapturer, | 34 class WebrtcVideoCapturerAdapter : public cricket::VideoCapturer, |
35 public webrtc::DesktopCapturer::Callback { | 35 public webrtc::DesktopCapturer::Callback { |
36 public: | 36 public: |
37 explicit CastVideoCapturerAdapter( | 37 explicit WebrtcVideoCapturerAdapter( |
38 scoped_ptr<webrtc::DesktopCapturer> capturer); | 38 scoped_ptr<webrtc::DesktopCapturer> capturer); |
39 | 39 |
40 ~CastVideoCapturerAdapter() override; | 40 ~WebrtcVideoCapturerAdapter() override; |
41 | 41 |
42 // webrtc::DesktopCapturer::Callback implementation. | 42 // webrtc::DesktopCapturer::Callback implementation. |
43 webrtc::SharedMemory* CreateSharedMemory(size_t size) override; | 43 webrtc::SharedMemory* CreateSharedMemory(size_t size) override; |
44 // Converts |frame| to a cricket::CapturedFrame and emits that via | 44 // Converts |frame| to a cricket::CapturedFrame and emits that via |
45 // SignalFrameCaptured for the base::VideoCapturer implementation to process. | 45 // SignalFrameCaptured for the base::VideoCapturer implementation to process. |
46 void OnCaptureCompleted(webrtc::DesktopFrame* frame) override; | 46 void OnCaptureCompleted(webrtc::DesktopFrame* frame) override; |
47 | 47 |
48 // cricket::VideoCapturer implementation. | 48 // cricket::VideoCapturer implementation. |
49 bool GetBestCaptureFormat(const cricket::VideoFormat& desired, | 49 bool GetBestCaptureFormat(const cricket::VideoFormat& desired, |
50 cricket::VideoFormat* best_format) override; | 50 cricket::VideoFormat* best_format) override; |
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63 | 63 |
64 // |thread_checker_| is bound to the peer connection worker thread. | 64 // |thread_checker_| is bound to the peer connection worker thread. |
65 base::ThreadChecker thread_checker_; | 65 base::ThreadChecker thread_checker_; |
66 | 66 |
67 // Used to capture frames. | 67 // Used to capture frames. |
68 scoped_ptr<webrtc::DesktopCapturer> desktop_capturer_; | 68 scoped_ptr<webrtc::DesktopCapturer> desktop_capturer_; |
69 | 69 |
70 // Used to schedule periodic screen captures. | 70 // Used to schedule periodic screen captures. |
71 scoped_ptr<base::RepeatingTimer> capture_timer_; | 71 scoped_ptr<base::RepeatingTimer> capture_timer_; |
72 | 72 |
73 DISALLOW_COPY_AND_ASSIGN(CastVideoCapturerAdapter); | 73 DISALLOW_COPY_AND_ASSIGN(WebrtcVideoCapturerAdapter); |
74 }; | 74 }; |
75 | 75 |
76 } // namespace remoting | 76 } // namespace remoting |
77 | 77 |
78 #endif // REMOTING_HOST_CAST_VIDEO_CAPTURER_ADAPTER_H_ | 78 #endif // REMOTING_PROTOCOL_WEBRTC_VIDEO_CAPTURER_ADAPTER_H_ |
79 | 79 |
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