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1 /* | 1 /* |
2 * Copyright 2012 The WebRTC project authors. All Rights Reserved. | 2 * Copyright 2012 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #ifndef WEBRTC_API_VIDEOSOURCE_H_ | 11 #ifndef WEBRTC_API_VIDEOSOURCE_H_ |
12 #define WEBRTC_API_VIDEOSOURCE_H_ | 12 #define WEBRTC_API_VIDEOSOURCE_H_ |
13 | 13 |
14 #include <list> | 14 #include <list> |
15 | 15 |
16 #include "webrtc/api/mediastreaminterface.h" | 16 #include "webrtc/api/mediastreaminterface.h" |
17 #include "webrtc/api/notifier.h" | 17 #include "webrtc/api/notifier.h" |
18 #include "webrtc/api/videosourceinterface.h" | 18 #include "webrtc/api/videosourceinterface.h" |
19 #include "webrtc/api/videotrackrenderers.h" | 19 #include "webrtc/api/videotrackrenderers.h" |
| 20 #include "webrtc/base/asyncinvoker.h" |
20 #include "webrtc/base/scoped_ptr.h" | 21 #include "webrtc/base/scoped_ptr.h" |
21 #include "webrtc/base/sigslot.h" | 22 #include "webrtc/base/sigslot.h" |
22 #include "webrtc/media/base/videosinkinterface.h" | 23 #include "webrtc/media/base/videosinkinterface.h" |
23 #include "webrtc/media/base/videocapturer.h" | 24 #include "webrtc/media/base/videocapturer.h" |
24 #include "webrtc/media/base/videocommon.h" | 25 #include "webrtc/media/base/videocommon.h" |
25 | 26 |
26 // VideoSource implements VideoSourceInterface. It owns a | 27 // VideoSource implements VideoSourceInterface. It owns a |
27 // cricket::VideoCapturer and make sure the camera is started at a resolution | 28 // cricket::VideoCapturer and make sure the camera is started at a resolution |
28 // that honors the constraints. | 29 // that honors the constraints. |
29 // The state is set depending on the result of starting the capturer. | 30 // The state is set depending on the result of starting the capturer. |
(...skipping 11 matching lines...) Expand all Loading... |
41 class MediaConstraintsInterface; | 42 class MediaConstraintsInterface; |
42 | 43 |
43 class VideoSource : public Notifier<VideoSourceInterface>, | 44 class VideoSource : public Notifier<VideoSourceInterface>, |
44 public sigslot::has_slots<> { | 45 public sigslot::has_slots<> { |
45 public: | 46 public: |
46 // Creates an instance of VideoSource. | 47 // Creates an instance of VideoSource. |
47 // VideoSource take ownership of |capturer|. | 48 // VideoSource take ownership of |capturer|. |
48 // |constraints| can be NULL and in that case the camera is opened using a | 49 // |constraints| can be NULL and in that case the camera is opened using a |
49 // default resolution. | 50 // default resolution. |
50 static rtc::scoped_refptr<VideoSource> Create( | 51 static rtc::scoped_refptr<VideoSource> Create( |
51 cricket::ChannelManager* channel_manager, | 52 rtc::Thread* worker_thread, |
52 cricket::VideoCapturer* capturer, | 53 cricket::VideoCapturer* capturer, |
53 const webrtc::MediaConstraintsInterface* constraints, | 54 const webrtc::MediaConstraintsInterface* constraints, |
54 bool remote); | 55 bool remote); |
55 | 56 |
56 SourceState state() const override { return state_; } | 57 SourceState state() const override { return state_; } |
57 bool remote() const override { return remote_; } | 58 bool remote() const override { return remote_; } |
58 | 59 |
59 virtual const cricket::VideoOptions* options() const { return &options_; } | 60 virtual const cricket::VideoOptions* options() const { return &options_; } |
60 | 61 |
61 virtual cricket::VideoCapturer* GetVideoCapturer() { | 62 virtual cricket::VideoCapturer* GetVideoCapturer() { |
62 return video_capturer_.get(); | 63 return video_capturer_.get(); |
63 } | 64 } |
64 | 65 |
65 void Stop() override; | 66 void Stop() override; |
66 void Restart() override; | 67 void Restart() override; |
67 | 68 |
68 // |output| will be served video frames as long as the underlying capturer | 69 // |output| will be served video frames as long as the underlying capturer |
69 // is running video frames. | 70 // is running video frames. |
70 virtual void AddSink(rtc::VideoSinkInterface<cricket::VideoFrame>* output); | 71 virtual void AddSink(rtc::VideoSinkInterface<cricket::VideoFrame>* output); |
71 virtual void RemoveSink(rtc::VideoSinkInterface<cricket::VideoFrame>* output); | 72 virtual void RemoveSink(rtc::VideoSinkInterface<cricket::VideoFrame>* output); |
72 | 73 |
73 protected: | 74 protected: |
74 VideoSource(cricket::ChannelManager* channel_manager, | 75 VideoSource(rtc::Thread* worker_thread, |
75 cricket::VideoCapturer* capturer, | 76 cricket::VideoCapturer* capturer, |
76 bool remote); | 77 bool remote); |
77 virtual ~VideoSource(); | 78 virtual ~VideoSource(); |
78 void Initialize(const webrtc::MediaConstraintsInterface* constraints); | 79 void Initialize(const webrtc::MediaConstraintsInterface* constraints); |
79 | 80 |
80 private: | 81 private: |
81 void OnStateChange(cricket::VideoCapturer* capturer, | 82 void OnStateChange(cricket::VideoCapturer* capturer, |
82 cricket::CaptureState capture_state); | 83 cricket::CaptureState capture_state); |
83 void SetState(SourceState new_state); | 84 void SetState(SourceState new_state); |
84 | 85 |
85 cricket::ChannelManager* channel_manager_; | 86 rtc::Thread* signaling_thread_; |
| 87 rtc::Thread* worker_thread_; |
| 88 rtc::AsyncInvoker invoker_; |
86 rtc::scoped_ptr<cricket::VideoCapturer> video_capturer_; | 89 rtc::scoped_ptr<cricket::VideoCapturer> video_capturer_; |
| 90 bool started_; |
87 rtc::scoped_ptr<cricket::VideoRenderer> frame_input_; | 91 rtc::scoped_ptr<cricket::VideoRenderer> frame_input_; |
88 | 92 |
89 std::list<rtc::VideoSinkInterface<cricket::VideoFrame>*> sinks_; | |
90 | |
91 cricket::VideoFormat format_; | 93 cricket::VideoFormat format_; |
92 cricket::VideoOptions options_; | 94 cricket::VideoOptions options_; |
93 SourceState state_; | 95 SourceState state_; |
94 const bool remote_; | 96 const bool remote_; |
95 }; | 97 }; |
96 | 98 |
97 } // namespace webrtc | 99 } // namespace webrtc |
98 | 100 |
99 #endif // WEBRTC_API_VIDEOSOURCE_H_ | 101 #endif // WEBRTC_API_VIDEOSOURCE_H_ |
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