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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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103 void EnableDebugRecording(const base::FilePath& file); | 103 void EnableDebugRecording(const base::FilePath& file); |
104 void DisableDebugRecording(); | 104 void DisableDebugRecording(); |
105 #endif | 105 #endif |
106 | 106 |
107 // BrowserMessageFilter implementation. | 107 // BrowserMessageFilter implementation. |
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, |
| 114 bool initially_muted) override; |
114 void OnError(media::AudioInputController* controller, | 115 void OnError(media::AudioInputController* controller, |
115 media::AudioInputController::ErrorCode error_code) override; | 116 media::AudioInputController::ErrorCode error_code) override; |
116 void OnLog(media::AudioInputController* controller, | 117 void OnLog(media::AudioInputController* controller, |
117 const std::string& message) override; | 118 const std::string& message) override; |
118 void OnMuted(media::AudioInputController* controller, bool is_muted) override; | 119 void OnMuted(media::AudioInputController* controller, bool is_muted) override; |
119 | 120 |
120 // Sets the PID renderer. This is used for constructing the debug recording | 121 // Sets the PID renderer. This is used for constructing the debug recording |
121 // filename. | 122 // filename. |
122 void set_renderer_pid(int32_t renderer_pid); | 123 void set_renderer_pid(int32_t renderer_pid); |
123 | 124 |
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158 | 159 |
159 // Close the audio stream referenced by |stream_id|. | 160 // Close the audio stream referenced by |stream_id|. |
160 void OnCloseStream(int stream_id); | 161 void OnCloseStream(int stream_id); |
161 | 162 |
162 // Set the volume of the audio stream referenced by |stream_id|. | 163 // Set the volume of the audio stream referenced by |stream_id|. |
163 void OnSetVolume(int stream_id, double volume); | 164 void OnSetVolume(int stream_id, double volume); |
164 | 165 |
165 // Complete the process of creating an audio input stream. This will set up | 166 // Complete the process of creating an audio input stream. This will set up |
166 // the shared memory or shared socket in low latency mode and send the | 167 // the shared memory or shared socket in low latency mode and send the |
167 // NotifyStreamCreated message to the peer. | 168 // NotifyStreamCreated message to the peer. |
168 void DoCompleteCreation(media::AudioInputController* controller); | 169 void DoCompleteCreation(media::AudioInputController* controller, |
| 170 bool initially_muted); |
169 | 171 |
170 // Send a state change message to the renderer. | 172 // Send a state change message to the renderer. |
171 void DoSendRecordingMessage(media::AudioInputController* controller); | 173 void DoSendRecordingMessage(media::AudioInputController* controller); |
172 | 174 |
173 // Handle error coming from audio stream. | 175 // Handle error coming from audio stream. |
174 void DoHandleError(media::AudioInputController* controller, | 176 void DoHandleError(media::AudioInputController* controller, |
175 media::AudioInputController::ErrorCode error_code); | 177 media::AudioInputController::ErrorCode error_code); |
176 | 178 |
177 // Log audio level of captured audio stream. | 179 // Log audio level of captured audio stream. |
178 void DoLog(media::AudioInputController* controller, | 180 void DoLog(media::AudioInputController* controller, |
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256 media::UserInputMonitor* const user_input_monitor_; | 258 media::UserInputMonitor* const user_input_monitor_; |
257 | 259 |
258 std::unique_ptr<media::AudioLog> audio_log_; | 260 std::unique_ptr<media::AudioLog> audio_log_; |
259 | 261 |
260 DISALLOW_COPY_AND_ASSIGN(AudioInputRendererHost); | 262 DISALLOW_COPY_AND_ASSIGN(AudioInputRendererHost); |
261 }; | 263 }; |
262 | 264 |
263 } // namespace content | 265 } // namespace content |
264 | 266 |
265 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_INPUT_RENDERER_HOST_H_ | 267 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_INPUT_RENDERER_HOST_H_ |
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