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Issue 1646463002: Revert of New rtc::VideoSinkInterface. (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@master
Patch Set: Created 4 years, 11 months ago
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1 /* 1 /*
2 * libjingle 2 * libjingle
3 * Copyright 2012 Google Inc. 3 * Copyright 2012 Google Inc.
4 * 4 *
5 * Redistribution and use in source and binary forms, with or without 5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met: 6 * modification, are permitted provided that the following conditions are met:
7 * 7 *
8 * 1. Redistributions of source code must retain the above copyright notice, 8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer. 9 * this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright notice, 10 * 2. Redistributions in binary form must reproduce the above copyright notice,
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36 CaptureRenderAdapter::CaptureRenderAdapter(VideoCapturer* video_capturer) 36 CaptureRenderAdapter::CaptureRenderAdapter(VideoCapturer* video_capturer)
37 : video_capturer_(video_capturer) { 37 : video_capturer_(video_capturer) {
38 } 38 }
39 39
40 CaptureRenderAdapter::~CaptureRenderAdapter() { 40 CaptureRenderAdapter::~CaptureRenderAdapter() {
41 // Since the signal we're connecting to is multi-threaded, 41 // Since the signal we're connecting to is multi-threaded,
42 // disconnect_all() will block until all calls are serviced, meaning any 42 // disconnect_all() will block until all calls are serviced, meaning any
43 // outstanding calls to OnVideoFrame will be done when this is done, and no 43 // outstanding calls to OnVideoFrame will be done when this is done, and no
44 // more calls will be serviced by this. 44 // more calls will be serviced by this.
45 // We do this explicitly instead of just letting the has_slots<> destructor 45 // We do this explicitly instead of just letting the has_slots<> destructor
46 // take care of it because we need to do this *before* sinks_ is 46 // take care of it because we need to do this *before* video_renderers_ is
47 // cleared by the destructor; otherwise we could mess with it while 47 // cleared by the destructor; otherwise we could mess with it while
48 // OnVideoFrame is running. 48 // OnVideoFrame is running.
49 // We *don't* take capture_crit_ here since it could deadlock with the lock 49 // We *don't* take capture_crit_ here since it could deadlock with the lock
50 // taken by the video frame signal. 50 // taken by the video frame signal.
51 disconnect_all(); 51 disconnect_all();
52 } 52 }
53 53
54 CaptureRenderAdapter* CaptureRenderAdapter::Create( 54 CaptureRenderAdapter* CaptureRenderAdapter::Create(
55 VideoCapturer* video_capturer) { 55 VideoCapturer* video_capturer) {
56 if (!video_capturer) { 56 if (!video_capturer) {
57 return NULL; 57 return NULL;
58 } 58 }
59 CaptureRenderAdapter* return_value = new CaptureRenderAdapter(video_capturer); 59 CaptureRenderAdapter* return_value = new CaptureRenderAdapter(video_capturer);
60 return_value->Init(); // Can't fail. 60 return_value->Init(); // Can't fail.
61 return return_value; 61 return return_value;
62 } 62 }
63 63
64 void CaptureRenderAdapter::AddSink(rtc::VideoSinkInterface<VideoFrame>* sink) { 64 void CaptureRenderAdapter::AddRenderer(VideoRenderer* video_renderer) {
65 RTC_DCHECK(sink); 65 RTC_DCHECK(video_renderer);
66 66
67 rtc::CritScope cs(&capture_crit_); 67 rtc::CritScope cs(&capture_crit_);
68 // This implements set semantics, the same renderer can only be 68 // This implements set semantics, the same renderer can only be
69 // added once. 69 // added once.
70 // TODO(nisse): Is this really needed? 70 // TODO(nisse): Is this really needed?
71 if (std::find(sinks_.begin(), sinks_.end(), sink) == sinks_.end()) 71 if (std::find(video_renderers_.begin(), video_renderers_.end(),
72 sinks_.push_back(sink); 72 video_renderer) == video_renderers_.end())
73 video_renderers_.push_back(video_renderer);
73 } 74 }
74 75
75 void CaptureRenderAdapter::RemoveSink( 76 void CaptureRenderAdapter::RemoveRenderer(VideoRenderer* video_renderer) {
76 rtc::VideoSinkInterface<VideoFrame>* sink) { 77 RTC_DCHECK(video_renderer);
77 RTC_DCHECK(sink);
78 78
79 rtc::CritScope cs(&capture_crit_); 79 rtc::CritScope cs(&capture_crit_);
80 sinks_.erase(std::remove(sinks_.begin(), sinks_.end(), sink), sinks_.end()); 80 // TODO(nisse): Switch to using std::list, and use its remove
81 // method. And similarly in VideoTrackRenderers, which this class
82 // mostly duplicates.
83 for (VideoRenderers::iterator iter = video_renderers_.begin();
84 iter != video_renderers_.end(); ++iter) {
85 if (video_renderer == *iter) {
86 video_renderers_.erase(iter);
87 break;
88 }
89 }
81 } 90 }
82 91
83 void CaptureRenderAdapter::Init() { 92 void CaptureRenderAdapter::Init() {
84 video_capturer_->SignalVideoFrame.connect( 93 video_capturer_->SignalVideoFrame.connect(
85 this, 94 this,
86 &CaptureRenderAdapter::OnVideoFrame); 95 &CaptureRenderAdapter::OnVideoFrame);
87 } 96 }
88 97
89 void CaptureRenderAdapter::OnVideoFrame(VideoCapturer* capturer, 98 void CaptureRenderAdapter::OnVideoFrame(VideoCapturer* capturer,
90 const VideoFrame* video_frame) { 99 const VideoFrame* video_frame) {
91 rtc::CritScope cs(&capture_crit_); 100 rtc::CritScope cs(&capture_crit_);
92 if (sinks_.empty()) { 101 if (video_renderers_.empty()) {
93 return; 102 return;
94 } 103 }
95 104
96 for (auto* sink : sinks_) 105 for (auto* renderer : video_renderers_)
97 sink->OnFrame(*video_frame); 106 renderer->RenderFrame(video_frame);
98 } 107 }
99 108
100 } // namespace cricket 109 } // namespace cricket
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