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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 // AudioInputRendererHost serves audio related requests from audio capturer | 5 // AudioInputRendererHost serves audio related requests from audio capturer |
6 // which lives inside the render process and provide access to audio hardware. | 6 // which lives inside the render process and provide access to audio hardware. |
7 // | 7 // |
8 // Create stream sequence (AudioInputController = AIC): | 8 // Create stream sequence (AudioInputController = AIC): |
9 // | 9 // |
10 // AudioInputHostMsg_CreateStream -> OnCreateStream -> AIC::CreateLowLatency -> | 10 // AudioInputHostMsg_CreateStream -> OnCreateStream -> AIC::CreateLowLatency -> |
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108 void OnChannelClosing() override; | 108 void OnChannelClosing() override; |
109 void OnDestruct() const override; | 109 void OnDestruct() const override; |
110 bool OnMessageReceived(const IPC::Message& message) override; | 110 bool OnMessageReceived(const IPC::Message& message) override; |
111 | 111 |
112 // AudioInputController::EventHandler implementation. | 112 // AudioInputController::EventHandler implementation. |
113 void OnCreated(media::AudioInputController* controller) override; | 113 void OnCreated(media::AudioInputController* controller) override; |
114 void OnError(media::AudioInputController* controller, | 114 void OnError(media::AudioInputController* controller, |
115 media::AudioInputController::ErrorCode error_code) override; | 115 media::AudioInputController::ErrorCode error_code) override; |
116 void OnLog(media::AudioInputController* controller, | 116 void OnLog(media::AudioInputController* controller, |
117 const std::string& message) override; | 117 const std::string& message) override; |
| 118 void OnMuted(media::AudioInputController* controller, bool is_muted) override; |
118 | 119 |
119 // Sets the PID renderer. This is used for constructing the debug recording | 120 // Sets the PID renderer. This is used for constructing the debug recording |
120 // filename. | 121 // filename. |
121 void set_renderer_pid(int32_t renderer_pid); | 122 void set_renderer_pid(int32_t renderer_pid); |
122 | 123 |
123 protected: | 124 protected: |
124 ~AudioInputRendererHost() override; | 125 ~AudioInputRendererHost() override; |
125 | 126 |
126 private: | 127 private: |
127 friend class BrowserThread; | 128 friend class BrowserThread; |
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170 void DoSendRecordingMessage(media::AudioInputController* controller); | 171 void DoSendRecordingMessage(media::AudioInputController* controller); |
171 | 172 |
172 // Handle error coming from audio stream. | 173 // Handle error coming from audio stream. |
173 void DoHandleError(media::AudioInputController* controller, | 174 void DoHandleError(media::AudioInputController* controller, |
174 media::AudioInputController::ErrorCode error_code); | 175 media::AudioInputController::ErrorCode error_code); |
175 | 176 |
176 // Log audio level of captured audio stream. | 177 // Log audio level of captured audio stream. |
177 void DoLog(media::AudioInputController* controller, | 178 void DoLog(media::AudioInputController* controller, |
178 const std::string& message); | 179 const std::string& message); |
179 | 180 |
| 181 // Notify renderer of a change to a stream's muted state. |
| 182 void DoNotifyMutedState(media::AudioInputController* controller, |
| 183 bool is_muted); |
| 184 |
180 // Send an error message to the renderer. | 185 // Send an error message to the renderer. |
181 void SendErrorMessage(int stream_id, ErrorCode error_code); | 186 void SendErrorMessage(int stream_id, ErrorCode error_code); |
182 | 187 |
183 // Delete all audio entries and all audio streams. | 188 // Delete all audio entries and all audio streams. |
184 void DeleteEntries(); | 189 void DeleteEntries(); |
185 | 190 |
186 // Closes the stream. The stream is then deleted in DeleteEntry() after it | 191 // Closes the stream. The stream is then deleted in DeleteEntry() after it |
187 // is closed. | 192 // is closed. |
188 void CloseAndDeleteStream(AudioEntry* entry); | 193 void CloseAndDeleteStream(AudioEntry* entry); |
189 | 194 |
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251 media::UserInputMonitor* const user_input_monitor_; | 256 media::UserInputMonitor* const user_input_monitor_; |
252 | 257 |
253 std::unique_ptr<media::AudioLog> audio_log_; | 258 std::unique_ptr<media::AudioLog> audio_log_; |
254 | 259 |
255 DISALLOW_COPY_AND_ASSIGN(AudioInputRendererHost); | 260 DISALLOW_COPY_AND_ASSIGN(AudioInputRendererHost); |
256 }; | 261 }; |
257 | 262 |
258 } // namespace content | 263 } // namespace content |
259 | 264 |
260 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_INPUT_RENDERER_HOST_H_ | 265 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_INPUT_RENDERER_HOST_H_ |
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