Artem Titov | 33f9d2b | 2019-12-05 15:59:00 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2019 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 | #ifndef TEST_FRAME_FORWARDER_H_ |
| 11 | #define TEST_FRAME_FORWARDER_H_ |
| 12 | |
| 13 | #include "api/video/video_frame.h" |
| 14 | #include "api/video/video_source_interface.h" |
| 15 | #include "rtc_base/critical_section.h" |
| 16 | |
| 17 | namespace webrtc { |
| 18 | namespace test { |
| 19 | |
| 20 | // FrameForwarder can be used as an implementation |
| 21 | // of rtc::VideoSourceInterface<VideoFrame> where the caller controls when |
| 22 | // a frame should be forwarded to its sink. |
| 23 | // Currently this implementation only support one sink. |
| 24 | class FrameForwarder : public rtc::VideoSourceInterface<VideoFrame> { |
| 25 | public: |
| 26 | FrameForwarder(); |
| 27 | ~FrameForwarder() override; |
| 28 | // Forwards |video_frame| to the registered |sink_|. |
| 29 | virtual void IncomingCapturedFrame(const VideoFrame& video_frame); |
| 30 | rtc::VideoSinkWants sink_wants() const; |
| 31 | bool has_sinks() const; |
| 32 | |
| 33 | protected: |
| 34 | void AddOrUpdateSink(rtc::VideoSinkInterface<VideoFrame>* sink, |
| 35 | const rtc::VideoSinkWants& wants) override; |
| 36 | void RemoveSink(rtc::VideoSinkInterface<VideoFrame>* sink) override; |
| 37 | |
| 38 | rtc::CriticalSection crit_; |
| 39 | rtc::VideoSinkInterface<VideoFrame>* sink_ RTC_GUARDED_BY(crit_); |
| 40 | rtc::VideoSinkWants sink_wants_ RTC_GUARDED_BY(crit_); |
| 41 | }; |
| 42 | |
| 43 | } // namespace test |
| 44 | } // namespace webrtc |
| 45 | |
| 46 | #endif // TEST_FRAME_FORWARDER_H_ |