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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/fake_audio_input_stream.h" | 5 #include "media/audio/fake_audio_input_stream.h" |
6 | 6 |
| 7 #include "base/atomicops.h" |
7 #include "base/bind.h" | 8 #include "base/bind.h" |
8 #include "base/bind_helpers.h" | 9 #include "base/bind_helpers.h" |
9 #include "base/command_line.h" | 10 #include "base/command_line.h" |
10 #include "base/files/file_path.h" | 11 #include "base/files/file_path.h" |
11 #include "base/memory/ptr_util.h" | 12 #include "base/memory/ptr_util.h" |
12 #include "base/single_thread_task_runner.h" | 13 #include "base/single_thread_task_runner.h" |
13 #include "base/strings/string_split.h" | 14 #include "base/strings/string_split.h" |
14 #include "base/time/time.h" | 15 #include "base/time/time.h" |
15 #include "media/audio/audio_manager_base.h" | 16 #include "media/audio/audio_manager_base.h" |
16 #include "media/audio/simple_sources.h" | 17 #include "media/audio/simple_sources.h" |
17 #include "media/base/audio_bus.h" | 18 #include "media/base/audio_bus.h" |
18 #include "media/base/media_switches.h" | 19 #include "media/base/media_switches.h" |
19 | 20 |
20 namespace media { | 21 namespace media { |
21 | 22 |
| 23 namespace { |
| 24 base::subtle::AtomicWord g_fake_input_streams_are_muted = 0; |
| 25 } |
| 26 |
22 AudioInputStream* FakeAudioInputStream::MakeFakeStream( | 27 AudioInputStream* FakeAudioInputStream::MakeFakeStream( |
23 AudioManagerBase* manager, | 28 AudioManagerBase* manager, |
24 const AudioParameters& params) { | 29 const AudioParameters& params) { |
25 return new FakeAudioInputStream(manager, params); | 30 return new FakeAudioInputStream(manager, params); |
26 } | 31 } |
27 | 32 |
28 FakeAudioInputStream::FakeAudioInputStream(AudioManagerBase* manager, | 33 FakeAudioInputStream::FakeAudioInputStream(AudioManagerBase* manager, |
29 const AudioParameters& params) | 34 const AudioParameters& params) |
30 : audio_manager_(manager), | 35 : audio_manager_(manager), |
31 callback_(NULL), | 36 callback_(NULL), |
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74 DCHECK(audio_manager_->GetTaskRunner()->BelongsToCurrentThread()); | 79 DCHECK(audio_manager_->GetTaskRunner()->BelongsToCurrentThread()); |
75 } | 80 } |
76 | 81 |
77 double FakeAudioInputStream::GetVolume() { | 82 double FakeAudioInputStream::GetVolume() { |
78 DCHECK(audio_manager_->GetTaskRunner()->BelongsToCurrentThread()); | 83 DCHECK(audio_manager_->GetTaskRunner()->BelongsToCurrentThread()); |
79 return 1.0; | 84 return 1.0; |
80 } | 85 } |
81 | 86 |
82 bool FakeAudioInputStream::IsMuted() { | 87 bool FakeAudioInputStream::IsMuted() { |
83 DCHECK(audio_manager_->GetTaskRunner()->BelongsToCurrentThread()); | 88 DCHECK(audio_manager_->GetTaskRunner()->BelongsToCurrentThread()); |
84 return false; | 89 return base::subtle::NoBarrier_Load(&g_fake_input_streams_are_muted) != 0; |
85 } | 90 } |
86 | 91 |
87 bool FakeAudioInputStream::SetAutomaticGainControl(bool enabled) { | 92 bool FakeAudioInputStream::SetAutomaticGainControl(bool enabled) { |
88 return false; | 93 return false; |
89 } | 94 } |
90 | 95 |
91 bool FakeAudioInputStream::GetAutomaticGainControl() { | 96 bool FakeAudioInputStream::GetAutomaticGainControl() { |
92 return false; | 97 return false; |
93 } | 98 } |
94 | 99 |
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129 } | 134 } |
130 return base::MakeUnique<FileSource>(params_, path_to_wav_file, looping); | 135 return base::MakeUnique<FileSource>(params_, path_to_wav_file, looping); |
131 } | 136 } |
132 return base::MakeUnique<BeepingSource>(params_); | 137 return base::MakeUnique<BeepingSource>(params_); |
133 } | 138 } |
134 | 139 |
135 void FakeAudioInputStream::BeepOnce() { | 140 void FakeAudioInputStream::BeepOnce() { |
136 BeepingSource::BeepOnce(); | 141 BeepingSource::BeepOnce(); |
137 } | 142 } |
138 | 143 |
| 144 void FakeAudioInputStream::SetGlobalMutedState(bool is_muted) { |
| 145 base::subtle::NoBarrier_Store(&g_fake_input_streams_are_muted, |
| 146 (is_muted ? 1 : 0)); |
| 147 } |
| 148 |
139 } // namespace media | 149 } // namespace media |
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