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1 /* | 1 /* |
2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2016 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_MEDIA_BASE_VIDEOBROADCASTER_H_ | 11 #ifndef WEBRTC_MEDIA_BASE_VIDEOBROADCASTER_H_ |
12 #define WEBRTC_MEDIA_BASE_VIDEOBROADCASTER_H_ | 12 #define WEBRTC_MEDIA_BASE_VIDEOBROADCASTER_H_ |
13 | 13 |
14 #include <memory> | 14 #include <memory> |
15 #include <utility> | 15 #include <utility> |
16 #include <vector> | 16 #include <vector> |
17 | 17 |
18 #include "webrtc/api/video/video_frame.h" | 18 #include "webrtc/api/video/video_frame.h" |
| 19 #include "webrtc/base/criticalsection.h" |
| 20 #include "webrtc/base/thread_checker.h" |
19 #include "webrtc/media/base/videosinkinterface.h" | 21 #include "webrtc/media/base/videosinkinterface.h" |
20 #include "webrtc/media/base/videosourcebase.h" | 22 #include "webrtc/media/base/videosourcebase.h" |
21 #include "webrtc/rtc_base/criticalsection.h" | |
22 #include "webrtc/rtc_base/thread_checker.h" | |
23 | 23 |
24 namespace rtc { | 24 namespace rtc { |
25 | 25 |
26 // VideoBroadcaster broadcast video frames to sinks and combines | 26 // VideoBroadcaster broadcast video frames to sinks and combines |
27 // VideoSinkWants from its sinks. It does that by implementing | 27 // VideoSinkWants from its sinks. It does that by implementing |
28 // rtc::VideoSourceInterface and rtc::VideoSinkInterface. | 28 // rtc::VideoSourceInterface and rtc::VideoSinkInterface. |
29 // Sinks must be added and removed on one and only one thread. | 29 // Sinks must be added and removed on one and only one thread. |
30 // Video frames can be broadcasted on any thread. I.e VideoBroadcaster::OnFrame | 30 // Video frames can be broadcasted on any thread. I.e VideoBroadcaster::OnFrame |
31 // can be called on any thread. | 31 // can be called on any thread. |
32 class VideoBroadcaster : public VideoSourceBase, | 32 class VideoBroadcaster : public VideoSourceBase, |
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59 ThreadChecker thread_checker_; | 59 ThreadChecker thread_checker_; |
60 rtc::CriticalSection sinks_and_wants_lock_; | 60 rtc::CriticalSection sinks_and_wants_lock_; |
61 | 61 |
62 VideoSinkWants current_wants_ GUARDED_BY(sinks_and_wants_lock_); | 62 VideoSinkWants current_wants_ GUARDED_BY(sinks_and_wants_lock_); |
63 rtc::scoped_refptr<webrtc::VideoFrameBuffer> black_frame_buffer_; | 63 rtc::scoped_refptr<webrtc::VideoFrameBuffer> black_frame_buffer_; |
64 }; | 64 }; |
65 | 65 |
66 } // namespace rtc | 66 } // namespace rtc |
67 | 67 |
68 #endif // WEBRTC_MEDIA_BASE_VIDEOBROADCASTER_H_ | 68 #endif // WEBRTC_MEDIA_BASE_VIDEOBROADCASTER_H_ |
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