OLD | NEW |
(Empty) | |
| 1 /* |
| 2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. |
| 3 * |
| 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 |
| 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ |
| 10 |
| 11 #ifndef WEBRTC_MEDIA_BASE_VIDEOBROADCASTER_H_ |
| 12 #define WEBRTC_MEDIA_BASE_VIDEOBROADCASTER_H_ |
| 13 |
| 14 #include <utility> |
| 15 #include <vector> |
| 16 |
| 17 #include "webrtc/base/thread_checker.h" |
| 18 #include "webrtc/media/base/videoframe.h" |
| 19 #include "webrtc/media/base/videosinkinterface.h" |
| 20 #include "webrtc/media/base/videosourceinterface.h" |
| 21 |
| 22 namespace rtc { |
| 23 |
| 24 class VideoBroadcaster : public VideoSourceInterface<cricket::VideoFrame>, |
| 25 public VideoSinkInterface<cricket::VideoFrame> { |
| 26 public: |
| 27 VideoBroadcaster(); |
| 28 void AddOrUpdateSink(VideoSinkInterface<cricket::VideoFrame>* sink, |
| 29 const VideoSinkWants& wants) override; |
| 30 void RemoveSink(VideoSinkInterface<cricket::VideoFrame>* sink) override; |
| 31 |
| 32 // Returns true if the next frame will be delivered to at least one sink. |
| 33 bool frame_wanted() const; |
| 34 |
| 35 // Returns VideoSinkWants a source is requested to fulfill. They are |
| 36 // aggregated by all VideoSinkWants from all sinks. |
| 37 VideoSinkWants wants() const; |
| 38 |
| 39 void OnFrame(const cricket::VideoFrame& frame) override; |
| 40 |
| 41 protected: |
| 42 struct SinkPair { |
| 43 SinkPair(VideoSinkInterface<cricket::VideoFrame>* sink, |
| 44 VideoSinkWants wants) |
| 45 : sink(sink), wants(wants) {} |
| 46 VideoSinkInterface<cricket::VideoFrame>* sink; |
| 47 VideoSinkWants wants; |
| 48 }; |
| 49 SinkPair* FindSinkPair(const VideoSinkInterface<cricket::VideoFrame>* sink); |
| 50 |
| 51 ThreadChecker thread_checker_; |
| 52 |
| 53 VideoSinkWants current_wants_; |
| 54 |
| 55 std::vector<SinkPair> sinks_; |
| 56 }; |
| 57 |
| 58 } // namespace rtc |
| 59 |
| 60 #endif // WEBRTC_MEDIA_BASE_VIDEOBROADCASTER_H_ |
OLD | NEW |