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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "content/renderer/media/video_source_handler.h" | 5 #include "content/renderer/media/video_source_handler.h" |
6 | 6 |
7 #include <string> | 7 #include <string> |
8 | 8 |
| 9 #include "base/bind_to_current_loop.h" |
9 #include "base/logging.h" | 10 #include "base/logging.h" |
10 #include "base/memory/weak_ptr.h" | 11 #include "base/memory/weak_ptr.h" |
11 #include "base/synchronization/lock.h" | 12 #include "base/synchronization/lock.h" |
12 #include "base/trace_event/trace_event.h" | 13 #include "base/trace_event/trace_event.h" |
13 #include "content/public/renderer/media_stream_video_sink.h" | 14 #include "content/public/renderer/media_stream_video_sink.h" |
14 #include "content/renderer/media/media_stream.h" | 15 #include "content/renderer/media/media_stream.h" |
15 #include "content/renderer/media/media_stream_registry_interface.h" | 16 #include "content/renderer/media/media_stream_registry_interface.h" |
16 #include "media/base/bind_to_current_loop.h" | |
17 #include "media/base/video_capture_types.h" | 17 #include "media/base/video_capture_types.h" |
18 #include "third_party/WebKit/public/platform/WebMediaStream.h" | 18 #include "third_party/WebKit/public/platform/WebMediaStream.h" |
19 #include "third_party/WebKit/public/platform/WebURL.h" | 19 #include "third_party/WebKit/public/platform/WebURL.h" |
20 #include "third_party/WebKit/public/web/WebMediaStreamRegistry.h" | 20 #include "third_party/WebKit/public/web/WebMediaStreamRegistry.h" |
21 #include "url/gurl.h" | 21 #include "url/gurl.h" |
22 | 22 |
23 namespace content { | 23 namespace content { |
24 | 24 |
25 // PpFrameReceiver implements MediaStreamVideoSink so that it can be attached | 25 // PpFrameReceiver implements MediaStreamVideoSink so that it can be attached |
26 // to video track to receive the captured frame. | 26 // to video track to receive the captured frame. |
27 // It can be attached to a FrameReaderInterface to output the received frame. | 27 // It can be attached to a FrameReaderInterface to output the received frame. |
28 class PpFrameReceiver : public MediaStreamVideoSink { | 28 class PpFrameReceiver : public MediaStreamVideoSink { |
29 public: | 29 public: |
30 PpFrameReceiver(blink::WebMediaStreamTrack track) | 30 PpFrameReceiver(blink::WebMediaStreamTrack track) |
31 : track_(track), | 31 : track_(track), |
32 reader_(NULL), | 32 reader_(NULL), |
33 weak_factory_(this) { | 33 weak_factory_(this) { |
34 } | 34 } |
35 | 35 |
36 ~PpFrameReceiver() override {} | 36 ~PpFrameReceiver() override {} |
37 | 37 |
38 void SetReader(FrameReaderInterface* reader) { | 38 void SetReader(FrameReaderInterface* reader) { |
39 if (reader) { | 39 if (reader) { |
40 DCHECK(!reader_); | 40 DCHECK(!reader_); |
41 MediaStreamVideoSink::AddToVideoTrack( | 41 MediaStreamVideoSink::AddToVideoTrack( |
42 this, | 42 this, |
43 media::BindToCurrentLoop( | 43 base::BindToCurrentLoop( |
44 base::Bind( | 44 base::Bind( |
45 &PpFrameReceiver::OnVideoFrame, | 45 &PpFrameReceiver::OnVideoFrame, |
46 weak_factory_.GetWeakPtr())), | 46 weak_factory_.GetWeakPtr())), |
47 track_); | 47 track_); |
48 } else { | 48 } else { |
49 DCHECK(reader_); | 49 DCHECK(reader_); |
50 MediaStreamVideoSink::RemoveFromVideoTrack(this, track_); | 50 MediaStreamVideoSink::RemoveFromVideoTrack(this, track_); |
51 weak_factory_.InvalidateWeakPtrs(); | 51 weak_factory_.InvalidateWeakPtrs(); |
52 } | 52 } |
53 reader_ = reader; | 53 reader_ = reader; |
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147 FrameReaderInterface* reader) | 147 FrameReaderInterface* reader) |
148 : receiver_(new PpFrameReceiver(blink_track)) { | 148 : receiver_(new PpFrameReceiver(blink_track)) { |
149 receiver_->SetReader(reader); | 149 receiver_->SetReader(reader); |
150 } | 150 } |
151 | 151 |
152 VideoSourceHandler::SourceInfo::~SourceInfo() { | 152 VideoSourceHandler::SourceInfo::~SourceInfo() { |
153 receiver_->SetReader(NULL); | 153 receiver_->SetReader(NULL); |
154 } | 154 } |
155 | 155 |
156 } // namespace content | 156 } // namespace content |
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