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Side by Side Diff: webrtc/media/base/videobroadcaster.h

Issue 1973873003: Delete AndroidVideoCapturer::FrameFactory. (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@master
Patch Set: Move code to AndroidVideoCapturerJni. Make Matrix a class. Created 4 years, 7 months ago
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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
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26 26
27 // VideoBroadcaster broadcast video frames to sinks and combines 27 // VideoBroadcaster broadcast video frames to sinks and combines
28 // VideoSinkWants from its sinks. It does that by implementing 28 // VideoSinkWants from its sinks. It does that by implementing
29 // rtc::VideoSourceInterface and rtc::VideoSinkInterface. 29 // rtc::VideoSourceInterface and rtc::VideoSinkInterface.
30 // Sinks must be added and removed on one and only one thread. 30 // Sinks must be added and removed on one and only one thread.
31 // Video frames can be broadcasted on any thread. I.e VideoBroadcaster::OnFrame 31 // Video frames can be broadcasted on any thread. I.e VideoBroadcaster::OnFrame
32 // can be called on any thread. 32 // can be called on any thread.
33 class VideoBroadcaster : public VideoSourceBase, 33 class VideoBroadcaster : public VideoSourceBase,
34 public VideoSinkInterface<cricket::VideoFrame> { 34 public VideoSinkInterface<cricket::VideoFrame> {
35 public: 35 public:
36 VideoBroadcaster();
37 void AddOrUpdateSink(VideoSinkInterface<cricket::VideoFrame>* sink, 36 void AddOrUpdateSink(VideoSinkInterface<cricket::VideoFrame>* sink,
38 const VideoSinkWants& wants) override; 37 const VideoSinkWants& wants) override;
39 void RemoveSink(VideoSinkInterface<cricket::VideoFrame>* sink) override; 38 void RemoveSink(VideoSinkInterface<cricket::VideoFrame>* sink) override;
40 39
41 // Returns true if the next frame will be delivered to at least one sink. 40 // Returns true if the next frame will be delivered to at least one sink.
42 bool frame_wanted() const; 41 bool frame_wanted() const;
43 42
44 // Returns VideoSinkWants a source is requested to fulfill. They are 43 // Returns VideoSinkWants a source is requested to fulfill. They are
45 // aggregated by all VideoSinkWants from all sinks. 44 // aggregated by all VideoSinkWants from all sinks.
46 VideoSinkWants wants() const; 45 VideoSinkWants wants() const;
47 46
48 void OnFrame(const cricket::VideoFrame& frame) override; 47 void OnFrame(const cricket::VideoFrame& frame) override;
49 48
50 protected: 49 protected:
51 void UpdateWants() EXCLUSIVE_LOCKS_REQUIRED(sinks_and_wants_lock_); 50 void UpdateWants() EXCLUSIVE_LOCKS_REQUIRED(sinks_and_wants_lock_);
52 const cricket::VideoFrame& GetBlackFrame(const cricket::VideoFrame& frame) 51 const cricket::VideoFrame& GetBlackFrame(const cricket::VideoFrame& frame)
53 EXCLUSIVE_LOCKS_REQUIRED(sinks_and_wants_lock_); 52 EXCLUSIVE_LOCKS_REQUIRED(sinks_and_wants_lock_);
54 53
55 ThreadChecker thread_checker_;
56 rtc::CriticalSection sinks_and_wants_lock_; 54 rtc::CriticalSection sinks_and_wants_lock_;
57 55
58 VideoSinkWants current_wants_ GUARDED_BY(sinks_and_wants_lock_); 56 VideoSinkWants current_wants_ GUARDED_BY(sinks_and_wants_lock_);
59 std::unique_ptr<cricket::WebRtcVideoFrame> black_frame_; 57 std::unique_ptr<cricket::WebRtcVideoFrame> black_frame_;
60 }; 58 };
61 59
62 } // namespace rtc 60 } // namespace rtc
63 61
64 #endif // WEBRTC_MEDIA_BASE_VIDEOBROADCASTER_H_ 62 #endif // WEBRTC_MEDIA_BASE_VIDEOBROADCASTER_H_
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