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ossu7bb87ee2017-01-23 12:56:251/*
2 * Copyright 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
Steve Anton10542f22019-01-11 17:11:0011#ifndef PC_VIDEO_TRACK_SOURCE_H_
12#define PC_VIDEO_TRACK_SOURCE_H_
ossu7bb87ee2017-01-23 12:56:2513
Harald Alvestrand5761e7b2021-01-29 14:45:0814#include "absl/types/optional.h"
Steve Anton10542f22019-01-11 17:11:0015#include "api/media_stream_interface.h"
Mirko Bonadei92ea95e2017-09-15 04:47:3116#include "api/notifier.h"
Artem Titovd15a5752021-02-10 13:31:2417#include "api/sequence_checker.h"
Harald Alvestrand5761e7b2021-01-29 14:45:0818#include "api/video/recordable_encoded_frame.h"
19#include "api/video/video_frame.h"
Niels Möllerc6ce9c52018-05-11 09:15:3020#include "api/video/video_sink_interface.h"
Harald Alvestrand5761e7b2021-01-29 14:45:0821#include "api/video/video_source_interface.h"
Steve Anton10542f22019-01-11 17:11:0022#include "media/base/media_channel.h"
Mirko Bonadei3b56ee72018-10-15 15:15:1223#include "rtc_base/system/rtc_export.h"
ossu7bb87ee2017-01-23 12:56:2524
ossu7bb87ee2017-01-23 12:56:2525namespace webrtc {
26
Niels Möller5d67f822018-05-23 14:28:1727// VideoTrackSource is a convenience base class for implementations of
28// VideoTrackSourceInterface.
Mirko Bonadei3b56ee72018-10-15 15:15:1229class RTC_EXPORT VideoTrackSource : public Notifier<VideoTrackSourceInterface> {
ossu7bb87ee2017-01-23 12:56:2530 public:
Niels Möller5d67f822018-05-23 14:28:1731 explicit VideoTrackSource(bool remote);
ossu7bb87ee2017-01-23 12:56:2532 void SetState(SourceState new_state);
ossu7bb87ee2017-01-23 12:56:2533
34 SourceState state() const override { return state_; }
35 bool remote() const override { return remote_; }
36
37 bool is_screencast() const override { return false; }
Danil Chapovalov66cadcc2018-06-19 14:47:4338 absl::optional<bool> needs_denoising() const override {
39 return absl::nullopt;
40 }
ossu7bb87ee2017-01-23 12:56:2541
42 bool GetStats(Stats* stats) override { return false; }
43
44 void AddOrUpdateSink(rtc::VideoSinkInterface<VideoFrame>* sink,
45 const rtc::VideoSinkWants& wants) override;
46 void RemoveSink(rtc::VideoSinkInterface<VideoFrame>* sink) override;
47
Markus Handell6efc14b2020-05-05 18:11:1348 bool SupportsEncodedOutput() const override { return false; }
49 void GenerateKeyFrame() override {}
50 void AddEncodedSink(
51 rtc::VideoSinkInterface<RecordableEncodedFrame>* sink) override {}
52 void RemoveEncodedSink(
53 rtc::VideoSinkInterface<RecordableEncodedFrame>* sink) override {}
54
Niels Möller5d67f822018-05-23 14:28:1755 protected:
Niels Möllerc17ca532018-05-31 13:36:4956 virtual rtc::VideoSourceInterface<VideoFrame>* source() = 0;
Niels Möller5d67f822018-05-23 14:28:1757
ossu7bb87ee2017-01-23 12:56:2558 private:
Artem Titovc8421c42021-02-02 09:57:1959 SequenceChecker worker_thread_checker_;
ossu7bb87ee2017-01-23 12:56:2560 SourceState state_;
61 const bool remote_;
62};
63
64} // namespace webrtc
65
Steve Anton10542f22019-01-11 17:11:0066#endif // PC_VIDEO_TRACK_SOURCE_H_