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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/null_audio_sink.h" | 5 #include "media/audio/null_audio_sink.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/location.h" | 8 #include "base/location.h" |
9 #include "base/single_thread_task_runner.h" | 9 #include "base/single_thread_task_runner.h" |
10 #include "media/audio/fake_audio_worker.h" | 10 #include "media/audio/fake_audio_worker.h" |
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68 | 68 |
69 fake_worker_->Stop(); | 69 fake_worker_->Stop(); |
70 playing_ = false; | 70 playing_ = false; |
71 } | 71 } |
72 | 72 |
73 bool NullAudioSink::SetVolume(double volume) { | 73 bool NullAudioSink::SetVolume(double volume) { |
74 // Audio is always muted. | 74 // Audio is always muted. |
75 return volume == 0.0; | 75 return volume == 0.0; |
76 } | 76 } |
77 | 77 |
78 OutputDevice* NullAudioSink::GetOutputDevice() { | 78 OutputDeviceInfo NullAudioSink::GetOutputDeviceInfo() { |
79 return nullptr; | 79 return OutputDeviceInfo(); |
| 80 } |
| 81 |
| 82 void NullAudioSink::SwitchOutputDevice(const std::string& device_id, |
| 83 const url::Origin& security_origin, |
| 84 const OutputDeviceStatusCB& callback) { |
| 85 callback.Run(OUTPUT_DEVICE_STATUS_ERROR_INTERNAL); |
80 } | 86 } |
81 | 87 |
82 void NullAudioSink::CallRender() { | 88 void NullAudioSink::CallRender() { |
83 DCHECK(task_runner_->BelongsToCurrentThread()); | 89 DCHECK(task_runner_->BelongsToCurrentThread()); |
84 | 90 |
85 int frames_received = callback_->Render(audio_bus_.get(), 0, 0); | 91 int frames_received = callback_->Render(audio_bus_.get(), 0, 0); |
86 if (!audio_hash_ || frames_received <= 0) | 92 if (!audio_hash_ || frames_received <= 0) |
87 return; | 93 return; |
88 | 94 |
89 audio_hash_->Update(audio_bus_.get(), frames_received); | 95 audio_hash_->Update(audio_bus_.get(), frames_received); |
90 } | 96 } |
91 | 97 |
92 void NullAudioSink::StartAudioHashForTesting() { | 98 void NullAudioSink::StartAudioHashForTesting() { |
93 DCHECK(!initialized_); | 99 DCHECK(!initialized_); |
94 audio_hash_.reset(new AudioHash()); | 100 audio_hash_.reset(new AudioHash()); |
95 } | 101 } |
96 | 102 |
97 std::string NullAudioSink::GetAudioHashForTesting() { | 103 std::string NullAudioSink::GetAudioHashForTesting() { |
98 return audio_hash_ ? audio_hash_->ToString() : std::string(); | 104 return audio_hash_ ? audio_hash_->ToString() : std::string(); |
99 } | 105 } |
100 | 106 |
101 } // namespace media | 107 } // namespace media |
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