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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_OUTPUT_CONTROLLER_H_ | 5 #ifndef MEDIA_AUDIO_AUDIO_OUTPUT_CONTROLLER_H_ |
| 6 #define MEDIA_AUDIO_AUDIO_OUTPUT_CONTROLLER_H_ | 6 #define MEDIA_AUDIO_AUDIO_OUTPUT_CONTROLLER_H_ |
| 7 | 7 |
| 8 #include <stdint.h> | 8 #include <stdint.h> |
| 9 | 9 |
| 10 #include <memory> |
| 11 |
| 10 #include "base/atomic_ref_count.h" | 12 #include "base/atomic_ref_count.h" |
| 11 #include "base/callback.h" | 13 #include "base/callback.h" |
| 12 #include "base/macros.h" | 14 #include "base/macros.h" |
| 13 #include "base/memory/ref_counted.h" | 15 #include "base/memory/ref_counted.h" |
| 14 #include "base/threading/thread_checker.h" | 16 #include "base/threading/thread_checker.h" |
| 15 #include "base/timer/timer.h" | 17 #include "base/timer/timer.h" |
| 16 #include "build/build_config.h" | 18 #include "build/build_config.h" |
| 17 #include "media/audio/audio_io.h" | 19 #include "media/audio/audio_io.h" |
| 18 #include "media/audio/audio_manager.h" | 20 #include "media/audio/audio_manager.h" |
| 19 #include "media/audio/audio_power_monitor.h" | 21 #include "media/audio/audio_power_monitor.h" |
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| 249 SyncReader* const sync_reader_; | 251 SyncReader* const sync_reader_; |
| 250 | 252 |
| 251 // The message loop of audio manager thread that this object runs on. | 253 // The message loop of audio manager thread that this object runs on. |
| 252 const scoped_refptr<base::SingleThreadTaskRunner> message_loop_; | 254 const scoped_refptr<base::SingleThreadTaskRunner> message_loop_; |
| 253 | 255 |
| 254 // Scans audio samples from OnMoreData() as input to compute power levels. | 256 // Scans audio samples from OnMoreData() as input to compute power levels. |
| 255 AudioPowerMonitor power_monitor_; | 257 AudioPowerMonitor power_monitor_; |
| 256 | 258 |
| 257 // Flags when we've asked for a stream to start but it never did. | 259 // Flags when we've asked for a stream to start but it never did. |
| 258 base::AtomicRefCount on_more_io_data_called_; | 260 base::AtomicRefCount on_more_io_data_called_; |
| 259 scoped_ptr<base::OneShotTimer> wedge_timer_; | 261 std::unique_ptr<base::OneShotTimer> wedge_timer_; |
| 260 | 262 |
| 261 // Flag which indicates errors received during Stop/Close should be ignored. | 263 // Flag which indicates errors received during Stop/Close should be ignored. |
| 262 // These errors are generally harmless since a fresh stream is about to be | 264 // These errors are generally harmless since a fresh stream is about to be |
| 263 // recreated, but if forwarded, renderer side clients may consider them | 265 // recreated, but if forwarded, renderer side clients may consider them |
| 264 // catastrophic and abort their operations. | 266 // catastrophic and abort their operations. |
| 265 // | 267 // |
| 266 // If |stream_| is started then |ignore_errors_during_stop_close_| must only | 268 // If |stream_| is started then |ignore_errors_during_stop_close_| must only |
| 267 // be accessed while |error_lock_| is held. | 269 // be accessed while |error_lock_| is held. |
| 268 bool ignore_errors_during_stop_close_; | 270 bool ignore_errors_during_stop_close_; |
| 269 base::Lock error_lock_; | 271 base::Lock error_lock_; |
| 270 | 272 |
| 271 DISALLOW_COPY_AND_ASSIGN(AudioOutputController); | 273 DISALLOW_COPY_AND_ASSIGN(AudioOutputController); |
| 272 }; | 274 }; |
| 273 | 275 |
| 274 } // namespace media | 276 } // namespace media |
| 275 | 277 |
| 276 #endif // MEDIA_AUDIO_AUDIO_OUTPUT_CONTROLLER_H_ | 278 #endif // MEDIA_AUDIO_AUDIO_OUTPUT_CONTROLLER_H_ |
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