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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 #include "media/audio/audio_output_controller.h" | 5 #include "media/audio/audio_output_controller.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/metrics/histogram.h" | 8 #include "base/metrics/histogram_macros.h" |
9 #include "base/numerics/safe_conversions.h" | 9 #include "base/numerics/safe_conversions.h" |
10 #include "base/task_runner_util.h" | 10 #include "base/task_runner_util.h" |
11 #include "base/threading/platform_thread.h" | 11 #include "base/threading/platform_thread.h" |
12 #include "base/time/time.h" | 12 #include "base/time/time.h" |
13 #include "base/trace_event/trace_event.h" | 13 #include "base/trace_event/trace_event.h" |
14 #include "build/build_config.h" | 14 #include "build/build_config.h" |
15 #include "media/base/scoped_histogram_timer.h" | |
16 | 15 |
17 using base::TimeDelta; | 16 using base::TimeDelta; |
18 | 17 |
19 namespace media { | 18 namespace media { |
20 | 19 |
21 AudioOutputController::AudioOutputController( | 20 AudioOutputController::AudioOutputController( |
22 AudioManager* audio_manager, | 21 AudioManager* audio_manager, |
23 EventHandler* handler, | 22 EventHandler* handler, |
24 const AudioParameters& params, | 23 const AudioParameters& params, |
25 const std::string& output_device_id, | 24 const std::string& output_device_id, |
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410 DCHECK(message_loop_->BelongsToCurrentThread()); | 409 DCHECK(message_loop_->BelongsToCurrentThread()); |
411 | 410 |
412 // If we should be playing and we haven't, that's a wedge. | 411 // If we should be playing and we haven't, that's a wedge. |
413 if (state_ == kPlaying) { | 412 if (state_ == kPlaying) { |
414 UMA_HISTOGRAM_BOOLEAN("Media.AudioOutputControllerPlaybackStartupSuccess", | 413 UMA_HISTOGRAM_BOOLEAN("Media.AudioOutputControllerPlaybackStartupSuccess", |
415 base::AtomicRefCountIsOne(&on_more_io_data_called_)); | 414 base::AtomicRefCountIsOne(&on_more_io_data_called_)); |
416 } | 415 } |
417 } | 416 } |
418 | 417 |
419 } // namespace media | 418 } // namespace media |
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