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| 1 // Copyright 2015 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_PROTOCOL_WEBRTC_VIDEO_CAPTURER_ADAPTER_H_ | 5 #ifndef REMOTING_PROTOCOL_WEBRTC_VIDEO_CAPTURER_ADAPTER_H_ |
| 6 #define REMOTING_PROTOCOL_WEBRTC_VIDEO_CAPTURER_ADAPTER_H_ | 6 #define REMOTING_PROTOCOL_WEBRTC_VIDEO_CAPTURER_ADAPTER_H_ |
| 7 | 7 |
| 8 #include <stddef.h> | 8 #include <stddef.h> |
| 9 #include <stdint.h> | 9 #include <stdint.h> |
| 10 | 10 |
| 11 #include <memory> |
| 11 #include <vector> | 12 #include <vector> |
| 12 | 13 |
| 13 #include "base/macros.h" | 14 #include "base/macros.h" |
| 14 #include "base/memory/scoped_ptr.h" | |
| 15 #include "base/memory/weak_ptr.h" | 15 #include "base/memory/weak_ptr.h" |
| 16 #include "base/threading/thread_checker.h" | 16 #include "base/threading/thread_checker.h" |
| 17 #include "base/timer/timer.h" | 17 #include "base/timer/timer.h" |
| 18 #include "remoting/protocol/video_stream.h" | 18 #include "remoting/protocol/video_stream.h" |
| 19 #include "third_party/webrtc/media/base/videocapturer.h" | 19 #include "third_party/webrtc/media/base/videocapturer.h" |
| 20 #include "third_party/webrtc/modules/desktop_capture/desktop_capturer.h" | 20 #include "third_party/webrtc/modules/desktop_capture/desktop_capturer.h" |
| 21 #include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h" | 21 #include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h" |
| 22 | 22 |
| 23 namespace base { | 23 namespace base { |
| 24 class SingleThreadTaskRunner; | 24 class SingleThreadTaskRunner; |
| (...skipping 14 matching lines...) Expand all Loading... |
| 39 // to construct a VideoSource as part of the webrtc PeerConnection API. | 39 // to construct a VideoSource as part of the webrtc PeerConnection API. |
| 40 // WebrtcVideoCapturerAdapter acts as an adapter between webrtc::DesktopCapturer | 40 // WebrtcVideoCapturerAdapter acts as an adapter between webrtc::DesktopCapturer |
| 41 // and the cricket::VideoCapturer interface, which it implements. It is used | 41 // and the cricket::VideoCapturer interface, which it implements. It is used |
| 42 // to construct a cricket::VideoSource for a PeerConnection, to capture frames | 42 // to construct a cricket::VideoSource for a PeerConnection, to capture frames |
| 43 // of the desktop. As indicated in the base implementation, Start() and Stop() | 43 // of the desktop. As indicated in the base implementation, Start() and Stop() |
| 44 // should be called on the same thread. | 44 // should be called on the same thread. |
| 45 class WebrtcVideoCapturerAdapter : public cricket::VideoCapturer, | 45 class WebrtcVideoCapturerAdapter : public cricket::VideoCapturer, |
| 46 public webrtc::DesktopCapturer::Callback { | 46 public webrtc::DesktopCapturer::Callback { |
| 47 public: | 47 public: |
| 48 explicit WebrtcVideoCapturerAdapter( | 48 explicit WebrtcVideoCapturerAdapter( |
| 49 scoped_ptr<webrtc::DesktopCapturer> capturer); | 49 std::unique_ptr<webrtc::DesktopCapturer> capturer); |
| 50 ~WebrtcVideoCapturerAdapter() override; | 50 ~WebrtcVideoCapturerAdapter() override; |
| 51 | 51 |
| 52 void SetSizeCallback(const VideoStream::SizeCallback& size_callback); | 52 void SetSizeCallback(const VideoStream::SizeCallback& size_callback); |
| 53 bool PauseCapturer(bool pause); | 53 bool PauseCapturer(bool pause); |
| 54 base::WeakPtr<WebrtcVideoCapturerAdapter> GetWeakPtr(); | 54 base::WeakPtr<WebrtcVideoCapturerAdapter> GetWeakPtr(); |
| 55 | 55 |
| 56 // cricket::VideoCapturer implementation. | 56 // cricket::VideoCapturer implementation. |
| 57 bool GetBestCaptureFormat(const cricket::VideoFormat& desired, | 57 bool GetBestCaptureFormat(const cricket::VideoFormat& desired, |
| 58 cricket::VideoFormat* best_format) override; | 58 cricket::VideoFormat* best_format) override; |
| 59 cricket::CaptureState Start( | 59 cricket::CaptureState Start( |
| 60 const cricket::VideoFormat& capture_format) override; | 60 const cricket::VideoFormat& capture_format) override; |
| 61 void Stop() override; | 61 void Stop() override; |
| 62 bool IsRunning() override; | 62 bool IsRunning() override; |
| 63 bool IsScreencast() const override; | 63 bool IsScreencast() const override; |
| 64 bool GetPreferredFourccs(std::vector<uint32_t>* fourccs) override; | 64 bool GetPreferredFourccs(std::vector<uint32_t>* fourccs) override; |
| 65 | 65 |
| 66 private: | 66 private: |
| 67 // webrtc::DesktopCapturer::Callback implementation. | 67 // webrtc::DesktopCapturer::Callback implementation. |
| 68 webrtc::SharedMemory* CreateSharedMemory(size_t size) override; | 68 webrtc::SharedMemory* CreateSharedMemory(size_t size) override; |
| 69 void OnCaptureCompleted(webrtc::DesktopFrame* frame) override; | 69 void OnCaptureCompleted(webrtc::DesktopFrame* frame) override; |
| 70 | 70 |
| 71 // Kicks off the next frame capture using |desktop_capturer_|. The captured | 71 // Kicks off the next frame capture using |desktop_capturer_|. The captured |
| 72 // frame will be passed to OnCaptureCompleted(). | 72 // frame will be passed to OnCaptureCompleted(). |
| 73 void CaptureNextFrame(); | 73 void CaptureNextFrame(); |
| 74 | 74 |
| 75 base::ThreadChecker thread_checker_; | 75 base::ThreadChecker thread_checker_; |
| 76 | 76 |
| 77 scoped_ptr<webrtc::DesktopCapturer> desktop_capturer_; | 77 std::unique_ptr<webrtc::DesktopCapturer> desktop_capturer_; |
| 78 | 78 |
| 79 VideoStream::SizeCallback size_callback_; | 79 VideoStream::SizeCallback size_callback_; |
| 80 | 80 |
| 81 // Timer to call CaptureNextFrame(). | 81 // Timer to call CaptureNextFrame(). |
| 82 scoped_ptr<base::RepeatingTimer> capture_timer_; | 82 std::unique_ptr<base::RepeatingTimer> capture_timer_; |
| 83 | 83 |
| 84 webrtc::DesktopSize frame_size_; | 84 webrtc::DesktopSize frame_size_; |
| 85 webrtc::DesktopVector frame_dpi_; | 85 webrtc::DesktopVector frame_dpi_; |
| 86 | 86 |
| 87 // Video frame is kept between captures to avoid YUV conversion for static | 87 // Video frame is kept between captures to avoid YUV conversion for static |
| 88 // parts of the screen. | 88 // parts of the screen. |
| 89 rtc::scoped_refptr<webrtc::I420Buffer> yuv_frame_; | 89 rtc::scoped_refptr<webrtc::I420Buffer> yuv_frame_; |
| 90 | 90 |
| 91 bool capture_pending_ = false; | 91 bool capture_pending_ = false; |
| 92 bool paused_ = false; | 92 bool paused_ = false; |
| 93 | 93 |
| 94 base::WeakPtrFactory<WebrtcVideoCapturerAdapter> weak_factory_; | 94 base::WeakPtrFactory<WebrtcVideoCapturerAdapter> weak_factory_; |
| 95 | 95 |
| 96 DISALLOW_COPY_AND_ASSIGN(WebrtcVideoCapturerAdapter); | 96 DISALLOW_COPY_AND_ASSIGN(WebrtcVideoCapturerAdapter); |
| 97 }; | 97 }; |
| 98 | 98 |
| 99 } // namespace protocol | 99 } // namespace protocol |
| 100 } // namespace remoting | 100 } // namespace remoting |
| 101 | 101 |
| 102 #endif // REMOTING_PROTOCOL_WEBRTC_VIDEO_CAPTURER_ADAPTER_H_ | 102 #endif // REMOTING_PROTOCOL_WEBRTC_VIDEO_CAPTURER_ADAPTER_H_ |
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