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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 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 CHROMEOS_AUDIO_CRAS_AUDIO_HANDLER_H_ | 5 #ifndef CHROMEOS_AUDIO_CRAS_AUDIO_HANDLER_H_ |
6 #define CHROMEOS_AUDIO_CRAS_AUDIO_HANDLER_H_ | 6 #define CHROMEOS_AUDIO_CRAS_AUDIO_HANDLER_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 #include <stdint.h> | 9 #include <stdint.h> |
10 #include <queue> | 10 #include <queue> |
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152 virtual bool GetPrimaryActiveOutputDevice(AudioDevice* device) const; | 152 virtual bool GetPrimaryActiveOutputDevice(AudioDevice* device) const; |
153 | 153 |
154 // Whether there is alternative input/output audio device. | 154 // Whether there is alternative input/output audio device. |
155 virtual bool has_alternative_input() const; | 155 virtual bool has_alternative_input() const; |
156 virtual bool has_alternative_output() const; | 156 virtual bool has_alternative_output() const; |
157 | 157 |
158 // Sets all active output devices' volume level to |volume_percent|, whose | 158 // Sets all active output devices' volume level to |volume_percent|, whose |
159 // range is from 0-100%. | 159 // range is from 0-100%. |
160 virtual void SetOutputVolumePercent(int volume_percent); | 160 virtual void SetOutputVolumePercent(int volume_percent); |
161 | 161 |
162 // Sets all active output devices' volume level to |volume_percent|, whose | |
Daniel Erat
2016/07/28 23:57:53
nit: s/level/levels/
Qiang(Joe) Xu
2016/07/29 04:30:32
Done.
| |
163 // range is from 0-100%, but indicating that this will not notify observers. | |
Daniel Erat
2016/07/28 23:57:52
nit: change "but indicating that this will not not
Qiang(Joe) Xu
2016/07/29 04:30:32
Done.
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164 virtual void SetOutputVolumePercentInQuietMode(int volume_percent); | |
Daniel Erat
2016/07/28 23:57:52
"InQuietMode" seems a bit confusing, since we're a
Qiang(Joe) Xu
2016/07/29 04:30:32
done by adding SetOutputVolumePercentWithoutNotify
| |
165 | |
162 // Sets all active input devices' gain level to |gain_percent|, whose range is | 166 // Sets all active input devices' gain level to |gain_percent|, whose range is |
163 // from 0-100%. | 167 // from 0-100%. |
164 virtual void SetInputGainPercent(int gain_percent); | 168 virtual void SetInputGainPercent(int gain_percent); |
165 | 169 |
166 // Adjusts all active output devices' volume up (positive percentage) or down | 170 // Adjusts all active output devices' volume up (positive percentage) or down |
167 // (negative percentage). | 171 // (negative percentage). |
168 virtual void AdjustOutputVolumeByPercent(int adjust_by_percent); | 172 virtual void AdjustOutputVolumeByPercent(int adjust_by_percent); |
169 | 173 |
170 // Adjusts all active output devices' volume to a minimum audible level if it | 174 // Adjusts all active output devices' volume to a minimum audible level if it |
171 // is too low. | 175 // is too low. |
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425 // Failures are not logged at startup, since CRAS may not be running yet. | 429 // Failures are not logged at startup, since CRAS may not be running yet. |
426 bool log_errors_; | 430 bool log_errors_; |
427 | 431 |
428 // Timer for HDMI re-discovering grace period. | 432 // Timer for HDMI re-discovering grace period. |
429 base::OneShotTimer hdmi_rediscover_timer_; | 433 base::OneShotTimer hdmi_rediscover_timer_; |
430 int hdmi_rediscover_grace_period_duration_in_ms_; | 434 int hdmi_rediscover_grace_period_duration_in_ms_; |
431 bool hdmi_rediscovering_; | 435 bool hdmi_rediscovering_; |
432 | 436 |
433 bool cras_service_available_ = false; | 437 bool cras_service_available_ = false; |
434 | 438 |
435 bool initializing_audio_state_ = false; | 439 // A mask to indicate if a volume change is initiated by user. |
Daniel Erat
2016/07/28 23:57:53
nit: document "A mask of NonUserVolumeChangeReason
Qiang(Joe) Xu
2016/07/29 04:30:32
Done.
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440 int volume_change_not_by_user_ = 0; | |
Daniel Erat
2016/07/28 23:57:53
nit: non_user_volume_change_reasons_; (but see nam
Qiang(Joe) Xu
2016/07/29 04:30:32
Done.
| |
441 | |
436 int init_volume_; | 442 int init_volume_; |
437 uint64_t init_node_id_; | 443 uint64_t init_node_id_; |
438 int init_volume_count_ = 0; | 444 int init_volume_count_ = 0; |
439 | 445 |
440 base::WeakPtrFactory<CrasAudioHandler> weak_ptr_factory_; | 446 base::WeakPtrFactory<CrasAudioHandler> weak_ptr_factory_; |
441 | 447 |
442 DISALLOW_COPY_AND_ASSIGN(CrasAudioHandler); | 448 DISALLOW_COPY_AND_ASSIGN(CrasAudioHandler); |
443 }; | 449 }; |
444 | 450 |
445 } // namespace chromeos | 451 } // namespace chromeos |
446 | 452 |
447 #endif // CHROMEOS_AUDIO_CRAS_AUDIO_HANDLER_H_ | 453 #endif // CHROMEOS_AUDIO_CRAS_AUDIO_HANDLER_H_ |
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