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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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/webrtc/webrtc_audio_sink.h" | 5 #include "content/renderer/media/webrtc/webrtc_audio_sink.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 #include <limits> | 8 #include <limits> |
9 | 9 |
10 #include "base/bind.h" | 10 #include "base/bind.h" |
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132 number_of_channels, number_of_frames); | 132 number_of_channels, number_of_frames); |
133 } | 133 } |
134 } | 134 } |
135 | 135 |
136 std::string WebRtcAudioSink::Adapter::kind() const { | 136 std::string WebRtcAudioSink::Adapter::kind() const { |
137 return webrtc::MediaStreamTrackInterface::kAudioKind; | 137 return webrtc::MediaStreamTrackInterface::kAudioKind; |
138 } | 138 } |
139 | 139 |
140 bool WebRtcAudioSink::Adapter::set_enabled(bool enable) { | 140 bool WebRtcAudioSink::Adapter::set_enabled(bool enable) { |
141 DCHECK(!signaling_task_runner_ || | 141 DCHECK(!signaling_task_runner_ || |
142 signaling_task_runner_->RunsTasksOnCurrentThread()); | 142 signaling_task_runner_->RunsTasksInCurrentSequence()); |
143 return webrtc::MediaStreamTrack<webrtc::AudioTrackInterface>:: | 143 return webrtc::MediaStreamTrack<webrtc::AudioTrackInterface>:: |
144 set_enabled(enable); | 144 set_enabled(enable); |
145 } | 145 } |
146 | 146 |
147 void WebRtcAudioSink::Adapter::AddSink(webrtc::AudioTrackSinkInterface* sink) { | 147 void WebRtcAudioSink::Adapter::AddSink(webrtc::AudioTrackSinkInterface* sink) { |
148 DCHECK(!signaling_task_runner_ || | 148 DCHECK(!signaling_task_runner_ || |
149 signaling_task_runner_->RunsTasksOnCurrentThread()); | 149 signaling_task_runner_->RunsTasksInCurrentSequence()); |
150 DCHECK(sink); | 150 DCHECK(sink); |
151 base::AutoLock auto_lock(lock_); | 151 base::AutoLock auto_lock(lock_); |
152 DCHECK(std::find(sinks_.begin(), sinks_.end(), sink) == sinks_.end()); | 152 DCHECK(std::find(sinks_.begin(), sinks_.end(), sink) == sinks_.end()); |
153 sinks_.push_back(sink); | 153 sinks_.push_back(sink); |
154 } | 154 } |
155 | 155 |
156 void WebRtcAudioSink::Adapter::RemoveSink( | 156 void WebRtcAudioSink::Adapter::RemoveSink( |
157 webrtc::AudioTrackSinkInterface* sink) { | 157 webrtc::AudioTrackSinkInterface* sink) { |
158 DCHECK(!signaling_task_runner_ || | 158 DCHECK(!signaling_task_runner_ || |
159 signaling_task_runner_->RunsTasksOnCurrentThread()); | 159 signaling_task_runner_->RunsTasksInCurrentSequence()); |
160 base::AutoLock auto_lock(lock_); | 160 base::AutoLock auto_lock(lock_); |
161 const auto it = std::find(sinks_.begin(), sinks_.end(), sink); | 161 const auto it = std::find(sinks_.begin(), sinks_.end(), sink); |
162 if (it != sinks_.end()) | 162 if (it != sinks_.end()) |
163 sinks_.erase(it); | 163 sinks_.erase(it); |
164 } | 164 } |
165 | 165 |
166 bool WebRtcAudioSink::Adapter::GetSignalLevel(int* level) { | 166 bool WebRtcAudioSink::Adapter::GetSignalLevel(int* level) { |
167 DCHECK(!signaling_task_runner_ || | 167 DCHECK(!signaling_task_runner_ || |
168 signaling_task_runner_->RunsTasksOnCurrentThread()); | 168 signaling_task_runner_->RunsTasksInCurrentSequence()); |
169 | 169 |
170 // |level_| is only set once, so it's safe to read without first acquiring a | 170 // |level_| is only set once, so it's safe to read without first acquiring a |
171 // mutex. | 171 // mutex. |
172 if (!level_) | 172 if (!level_) |
173 return false; | 173 return false; |
174 const float signal_level = level_->GetCurrent(); | 174 const float signal_level = level_->GetCurrent(); |
175 DCHECK_GE(signal_level, 0.0f); | 175 DCHECK_GE(signal_level, 0.0f); |
176 DCHECK_LE(signal_level, 1.0f); | 176 DCHECK_LE(signal_level, 1.0f); |
177 // Convert from float in range [0.0,1.0] to an int in range [0,32767]. | 177 // Convert from float in range [0.0,1.0] to an int in range [0,32767]. |
178 *level = static_cast<int>(signal_level * std::numeric_limits<int16_t>::max() + | 178 *level = static_cast<int>(signal_level * std::numeric_limits<int16_t>::max() + |
179 0.5f /* rounding to nearest int */); | 179 0.5f /* rounding to nearest int */); |
180 return true; | 180 return true; |
181 } | 181 } |
182 | 182 |
183 rtc::scoped_refptr<webrtc::AudioProcessorInterface> | 183 rtc::scoped_refptr<webrtc::AudioProcessorInterface> |
184 WebRtcAudioSink::Adapter::GetAudioProcessor() { | 184 WebRtcAudioSink::Adapter::GetAudioProcessor() { |
185 DCHECK(!signaling_task_runner_ || | 185 DCHECK(!signaling_task_runner_ || |
186 signaling_task_runner_->RunsTasksOnCurrentThread()); | 186 signaling_task_runner_->RunsTasksInCurrentSequence()); |
187 return audio_processor_.get(); | 187 return audio_processor_.get(); |
188 } | 188 } |
189 | 189 |
190 webrtc::AudioSourceInterface* WebRtcAudioSink::Adapter::GetSource() const { | 190 webrtc::AudioSourceInterface* WebRtcAudioSink::Adapter::GetSource() const { |
191 DCHECK(!signaling_task_runner_ || | 191 DCHECK(!signaling_task_runner_ || |
192 signaling_task_runner_->RunsTasksOnCurrentThread()); | 192 signaling_task_runner_->RunsTasksInCurrentSequence()); |
193 return source_.get(); | 193 return source_.get(); |
194 } | 194 } |
195 | 195 |
196 } // namespace content | 196 } // namespace content |
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