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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 #ifndef MEDIA_AUDIO_AUDIO_INPUT_CONTROLLER_H_ | 5 #ifndef MEDIA_AUDIO_AUDIO_INPUT_CONTROLLER_H_ |
6 #define MEDIA_AUDIO_AUDIO_INPUT_CONTROLLER_H_ | 6 #define MEDIA_AUDIO_AUDIO_INPUT_CONTROLLER_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 #include <stdint.h> | 9 #include <stdint.h> |
10 | 10 |
| 11 #include <memory> |
11 #include <string> | 12 #include <string> |
12 | 13 |
13 #include "base/atomicops.h" | 14 #include "base/atomicops.h" |
14 #include "base/callback.h" | 15 #include "base/callback.h" |
15 #include "base/files/file.h" | 16 #include "base/files/file.h" |
16 #include "base/macros.h" | 17 #include "base/macros.h" |
17 #include "base/memory/ref_counted.h" | 18 #include "base/memory/ref_counted.h" |
18 #include "base/memory/scoped_ptr.h" | |
19 #include "base/synchronization/lock.h" | 19 #include "base/synchronization/lock.h" |
20 #include "base/synchronization/waitable_event.h" | 20 #include "base/synchronization/waitable_event.h" |
21 #include "base/threading/thread.h" | 21 #include "base/threading/thread.h" |
22 #include "base/timer/timer.h" | 22 #include "base/timer/timer.h" |
23 #include "build/build_config.h" | 23 #include "build/build_config.h" |
24 #include "media/audio/audio_io.h" | 24 #include "media/audio/audio_io.h" |
25 #include "media/audio/audio_manager_base.h" | 25 #include "media/audio/audio_manager_base.h" |
26 #include "media/audio/audio_parameters.h" | 26 #include "media/audio/audio_parameters.h" |
27 #include "media/base/audio_bus.h" | 27 #include "media/base/audio_bus.h" |
28 | 28 |
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285 const AudioParameters& params, | 285 const AudioParameters& params, |
286 const std::string& device_id); | 286 const std::string& device_id); |
287 void DoCreateForLowLatency(AudioManager* audio_manager, | 287 void DoCreateForLowLatency(AudioManager* audio_manager, |
288 const AudioParameters& params, | 288 const AudioParameters& params, |
289 const std::string& device_id); | 289 const std::string& device_id); |
290 void DoCreateForStream(AudioInputStream* stream_to_control); | 290 void DoCreateForStream(AudioInputStream* stream_to_control); |
291 void DoRecord(); | 291 void DoRecord(); |
292 void DoClose(); | 292 void DoClose(); |
293 void DoReportError(); | 293 void DoReportError(); |
294 void DoSetVolume(double volume); | 294 void DoSetVolume(double volume); |
295 void DoOnData(scoped_ptr<AudioBus> data); | 295 void DoOnData(std::unique_ptr<AudioBus> data); |
296 void DoLogAudioLevels(float level_dbfs, int microphone_volume_percent); | 296 void DoLogAudioLevels(float level_dbfs, int microphone_volume_percent); |
297 | 297 |
298 // Method to check if we get recorded data after a stream was started, | 298 // Method to check if we get recorded data after a stream was started, |
299 // and log the result to UMA. | 299 // and log the result to UMA. |
300 void FirstCheckForNoData(); | 300 void FirstCheckForNoData(); |
301 | 301 |
302 // Method which ensures that OnError() is triggered when data recording | 302 // Method which ensures that OnError() is triggered when data recording |
303 // times out. Called on the audio thread. | 303 // times out. Called on the audio thread. |
304 void DoCheckForNoData(); | 304 void DoCheckForNoData(); |
305 | 305 |
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317 // Logs the silence state as UMA stat. | 317 // Logs the silence state as UMA stat. |
318 void LogSilenceState(SilenceState value); | 318 void LogSilenceState(SilenceState value); |
319 #endif | 319 #endif |
320 | 320 |
321 // Enable and disable debug recording of audio input. Called on the audio | 321 // Enable and disable debug recording of audio input. Called on the audio |
322 // thread. | 322 // thread. |
323 void DoEnableDebugRecording(AudioInputWriter* input_writer); | 323 void DoEnableDebugRecording(AudioInputWriter* input_writer); |
324 void DoDisableDebugRecording(); | 324 void DoDisableDebugRecording(); |
325 | 325 |
326 // Called on the audio thread. | 326 // Called on the audio thread. |
327 void WriteInputDataForDebugging(scoped_ptr<AudioBus> data); | 327 void WriteInputDataForDebugging(std::unique_ptr<AudioBus> data); |
328 | 328 |
329 // Gives access to the task runner of the creating thread. | 329 // Gives access to the task runner of the creating thread. |
330 scoped_refptr<base::SingleThreadTaskRunner> creator_task_runner_; | 330 scoped_refptr<base::SingleThreadTaskRunner> creator_task_runner_; |
331 | 331 |
332 // The task runner of audio-manager thread that this object runs on. | 332 // The task runner of audio-manager thread that this object runs on. |
333 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; | 333 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; |
334 | 334 |
335 // Contains the AudioInputController::EventHandler which receives state | 335 // Contains the AudioInputController::EventHandler which receives state |
336 // notifications from this class. | 336 // notifications from this class. |
337 EventHandler* handler_; | 337 EventHandler* handler_; |
338 | 338 |
339 // Pointer to the audio input stream object. | 339 // Pointer to the audio input stream object. |
340 AudioInputStream* stream_; | 340 AudioInputStream* stream_; |
341 | 341 |
342 // |no_data_timer_| is used to call OnError() when we stop receiving | 342 // |no_data_timer_| is used to call OnError() when we stop receiving |
343 // OnData() calls. This can occur when an audio input device is unplugged | 343 // OnData() calls. This can occur when an audio input device is unplugged |
344 // whilst recording on Windows. | 344 // whilst recording on Windows. |
345 // See http://crbug.com/79936 for details. | 345 // See http://crbug.com/79936 for details. |
346 // This member is only touched by the audio thread. | 346 // This member is only touched by the audio thread. |
347 scoped_ptr<base::Timer> no_data_timer_; | 347 std::unique_ptr<base::Timer> no_data_timer_; |
348 | 348 |
349 // This flag is used to signal that we are receiving OnData() calls, i.e, | 349 // This flag is used to signal that we are receiving OnData() calls, i.e, |
350 // that data is active. It can be touched by the audio thread and by the | 350 // that data is active. It can be touched by the audio thread and by the |
351 // low-level audio thread which calls OnData(). E.g. on Windows, the | 351 // low-level audio thread which calls OnData(). E.g. on Windows, the |
352 // low-level audio thread is called wasapi_capture_thread. | 352 // low-level audio thread is called wasapi_capture_thread. |
353 base::subtle::Atomic32 data_is_active_; | 353 base::subtle::Atomic32 data_is_active_; |
354 | 354 |
355 // |state_| is written on the audio thread and is read on the hardware audio | 355 // |state_| is written on the audio thread and is read on the hardware audio |
356 // thread. These operations need to be locked. But lock is not required for | 356 // thread. These operations need to be locked. But lock is not required for |
357 // reading on the audio input controller thread. | 357 // reading on the audio input controller thread. |
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391 | 391 |
392 // Used for audio debug recordings. Accessed on audio thread. | 392 // Used for audio debug recordings. Accessed on audio thread. |
393 AudioInputWriter* input_writer_; | 393 AudioInputWriter* input_writer_; |
394 | 394 |
395 DISALLOW_COPY_AND_ASSIGN(AudioInputController); | 395 DISALLOW_COPY_AND_ASSIGN(AudioInputController); |
396 }; | 396 }; |
397 | 397 |
398 } // namespace media | 398 } // namespace media |
399 | 399 |
400 #endif // MEDIA_AUDIO_AUDIO_INPUT_CONTROLLER_H_ | 400 #endif // MEDIA_AUDIO_AUDIO_INPUT_CONTROLLER_H_ |
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