1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
/*
* Copyright 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef PC_VIDEO_TRACK_SOURCE_H_
#define PC_VIDEO_TRACK_SOURCE_H_
#include <optional>
#include "api/media_stream_interface.h"
#include "api/notifier.h"
#include "api/sequence_checker.h"
#include "api/video/recordable_encoded_frame.h"
#include "api/video/video_frame.h"
#include "api/video/video_sink_interface.h"
#include "api/video/video_source_interface.h"
#include "media/base/media_channel.h"
#include "rtc_base/checks.h"
#include "rtc_base/system/no_unique_address.h"
#include "rtc_base/system/rtc_export.h"
#include "rtc_base/thread_annotations.h"
namespace webrtc {
// VideoTrackSource is a convenience base class for implementations of
// VideoTrackSourceInterface.
class RTC_EXPORT VideoTrackSource : public Notifier<VideoTrackSourceInterface> {
public:
explicit VideoTrackSource(bool remote);
void SetState(SourceState new_state);
SourceState state() const override {
RTC_DCHECK_RUN_ON(&signaling_thread_checker_);
return state_;
}
bool remote() const override { return remote_; }
bool is_screencast() const override { return false; }
std::optional<bool> needs_denoising() const override { return std::nullopt; }
bool GetStats(Stats* stats) override { return false; }
void AddOrUpdateSink(VideoSinkInterface<VideoFrame>* sink,
const VideoSinkWants& wants) override;
void RemoveSink(VideoSinkInterface<VideoFrame>* sink) override;
bool SupportsEncodedOutput() const override { return false; }
void GenerateKeyFrame() override {}
void AddEncodedSink(
VideoSinkInterface<RecordableEncodedFrame>* sink) override {}
void RemoveEncodedSink(
VideoSinkInterface<RecordableEncodedFrame>* sink) override {}
protected:
virtual VideoSourceInterface<VideoFrame>* source() = 0;
private:
RTC_NO_UNIQUE_ADDRESS SequenceChecker worker_thread_checker_{
SequenceChecker::kDetached};
RTC_NO_UNIQUE_ADDRESS SequenceChecker signaling_thread_checker_;
SourceState state_ RTC_GUARDED_BY(&signaling_thread_checker_);
const bool remote_;
};
} // namespace webrtc
#endif // PC_VIDEO_TRACK_SOURCE_H_
|
