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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 "base/supports_user_data.h" | 5 #include "content/renderer/media/webrtc/processed_local_audio_track.h" |
6 | 6 |
7 namespace base { | 7 #include "content/renderer/media/webrtc/webrtc_local_audio_track_adapter.h" |
8 | 8 |
9 SupportsUserData::SupportsUserData() { | 9 namespace content { |
10 // Harmless to construct on a different thread to subsequent usage. | 10 |
11 thread_checker_.DetachFromThread(); | 11 namespace { |
| 12 // Used as an identifier for ProcessedLocalAudioTrack::From(). |
| 13 void* const kClassIdentifier = const_cast<void**>(&kClassIdentifier); |
| 14 } // namespace |
| 15 |
| 16 ProcessedLocalAudioTrack::ProcessedLocalAudioTrack( |
| 17 scoped_refptr<WebRtcLocalAudioTrackAdapter> adapter) |
| 18 : MediaStreamAudioTrack(true), adapter_(std::move(adapter)) { |
| 19 DCHECK(adapter_); |
| 20 adapter_->SetMediaStreamAudioTrack(MediaStreamAudioTrack::GetWeakPtr()); |
| 21 |
| 22 DVLOG(1) << "ProcessedLocalAudioTrack::ProcessedLocalAudioTrack()"; |
12 } | 23 } |
13 | 24 |
14 SupportsUserData::Data* SupportsUserData::GetUserData(const void* key) const { | 25 ProcessedLocalAudioTrack::~ProcessedLocalAudioTrack() { |
15 DCHECK(thread_checker_.CalledOnValidThread()); | 26 DCHECK(thread_checker_.CalledOnValidThread()); |
16 DataMap::const_iterator found = user_data_.find(key); | 27 DVLOG(1) << "ProcessedLocalAudioTrack::~ProcessedLocalAudioTrack()"; |
17 if (found != user_data_.end()) | 28 // Ensure the track is stopped. |
18 return found->second.get(); | 29 MediaStreamAudioTrack::Stop(); |
19 return NULL; | |
20 } | 30 } |
21 | 31 |
22 void SupportsUserData::SetUserData(const void* key, Data* data) { | 32 // static |
23 DCHECK(thread_checker_.CalledOnValidThread()); | 33 ProcessedLocalAudioTrack* ProcessedLocalAudioTrack::From( |
24 user_data_[key] = make_scoped_ptr(data); | 34 MediaStreamAudioTrack* track) { |
| 35 if (track && track->GetClassIdentifier() == kClassIdentifier) |
| 36 return static_cast<ProcessedLocalAudioTrack*>(track); |
| 37 return nullptr; |
25 } | 38 } |
26 | 39 |
27 void SupportsUserData::RemoveUserData(const void* key) { | 40 void* ProcessedLocalAudioTrack::GetClassIdentifier() const { |
28 DCHECK(thread_checker_.CalledOnValidThread()); | 41 return kClassIdentifier; |
29 user_data_.erase(key); | |
30 } | 42 } |
31 | 43 |
32 void SupportsUserData::DetachUserDataThread() { | 44 void ProcessedLocalAudioTrack::SetLevel( |
33 thread_checker_.DetachFromThread(); | 45 scoped_refptr<MediaStreamAudioLevelCalculator::Level> level) { |
| 46 adapter_->SetLevel(std::move(level)); |
34 } | 47 } |
35 | 48 |
36 SupportsUserData::~SupportsUserData() { | 49 void ProcessedLocalAudioTrack::SetAudioProcessor( |
37 DCHECK(thread_checker_.CalledOnValidThread() || user_data_.empty()); | 50 scoped_refptr<MediaStreamAudioProcessor> processor) { |
38 DataMap local_user_data; | 51 adapter_->SetAudioProcessor(std::move(processor)); |
39 user_data_.swap(local_user_data); | |
40 // Now this->user_data_ is empty, and any destructors called transitively from | |
41 // the destruction of |local_user_data| will see it that way instead of | |
42 // examining a being-destroyed object. | |
43 } | 52 } |
44 | 53 |
45 } // namespace base | 54 void ProcessedLocalAudioTrack::SetEnabled(bool enabled) { |
| 55 DCHECK(thread_checker_.CalledOnValidThread()); |
| 56 MediaStreamAudioTrack::SetEnabled(enabled); |
| 57 if (adapter_.get()) |
| 58 adapter_->set_enabled(enabled); |
| 59 } |
| 60 |
| 61 } // namespace content |
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