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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"
Harald Alvestrandc24a2182022-02-23 13:44:5923#include "rtc_base/checks.h"
Tommi20d8d912022-02-08 20:12:1524#include "rtc_base/system/no_unique_address.h"
Mirko Bonadei3b56ee72018-10-15 15:15:1225#include "rtc_base/system/rtc_export.h"
Harald Alvestrandc24a2182022-02-23 13:44:5926#include "rtc_base/thread_annotations.h"
ossu7bb87ee2017-01-23 12:56:2527
ossu7bb87ee2017-01-23 12:56:2528namespace webrtc {
29
Niels Möller5d67f822018-05-23 14:28:1730// VideoTrackSource is a convenience base class for implementations of
31// VideoTrackSourceInterface.
Mirko Bonadei3b56ee72018-10-15 15:15:1232class RTC_EXPORT VideoTrackSource : public Notifier<VideoTrackSourceInterface> {
ossu7bb87ee2017-01-23 12:56:2533 public:
Niels Möller5d67f822018-05-23 14:28:1734 explicit VideoTrackSource(bool remote);
ossu7bb87ee2017-01-23 12:56:2535 void SetState(SourceState new_state);
ossu7bb87ee2017-01-23 12:56:2536
Tommi20d8d912022-02-08 20:12:1537 SourceState state() const override {
38 RTC_DCHECK_RUN_ON(&signaling_thread_checker_);
39 return state_;
40 }
ossu7bb87ee2017-01-23 12:56:2541 bool remote() const override { return remote_; }
42
43 bool is_screencast() const override { return false; }
Danil Chapovalov66cadcc2018-06-19 14:47:4344 absl::optional<bool> needs_denoising() const override {
45 return absl::nullopt;
46 }
ossu7bb87ee2017-01-23 12:56:2547
48 bool GetStats(Stats* stats) override { return false; }
49
50 void AddOrUpdateSink(rtc::VideoSinkInterface<VideoFrame>* sink,
51 const rtc::VideoSinkWants& wants) override;
52 void RemoveSink(rtc::VideoSinkInterface<VideoFrame>* sink) override;
53
Markus Handell6efc14b2020-05-05 18:11:1354 bool SupportsEncodedOutput() const override { return false; }
55 void GenerateKeyFrame() override {}
56 void AddEncodedSink(
57 rtc::VideoSinkInterface<RecordableEncodedFrame>* sink) override {}
58 void RemoveEncodedSink(
59 rtc::VideoSinkInterface<RecordableEncodedFrame>* sink) override {}
60
Niels Möller5d67f822018-05-23 14:28:1761 protected:
Niels Möllerc17ca532018-05-31 13:36:4962 virtual rtc::VideoSourceInterface<VideoFrame>* source() = 0;
Niels Möller5d67f822018-05-23 14:28:1763
ossu7bb87ee2017-01-23 12:56:2564 private:
Tommic8482682023-03-23 21:20:3965 RTC_NO_UNIQUE_ADDRESS SequenceChecker worker_thread_checker_{
66 SequenceChecker::kDetached};
Tommi20d8d912022-02-08 20:12:1567 RTC_NO_UNIQUE_ADDRESS SequenceChecker signaling_thread_checker_;
68 SourceState state_ RTC_GUARDED_BY(&signaling_thread_checker_);
ossu7bb87ee2017-01-23 12:56:2569 const bool remote_;
70};
71
72} // namespace webrtc
73
Steve Anton10542f22019-01-11 17:11:0074#endif // PC_VIDEO_TRACK_SOURCE_H_