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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 <stddef.h> | 5 #include <stddef.h> |
6 #include <stdint.h> | 6 #include <stdint.h> |
7 | 7 |
8 #include <algorithm> | 8 #include <algorithm> |
9 #include <memory> | 9 #include <memory> |
10 | 10 |
11 #include "base/bind.h" | 11 #include "base/bind.h" |
12 #include "base/environment.h" | 12 #include "base/environment.h" |
13 #include "base/files/file_util.h" | 13 #include "base/files/file_util.h" |
14 #include "base/macros.h" | 14 #include "base/macros.h" |
15 #include "base/path_service.h" | 15 #include "base/path_service.h" |
16 #include "base/run_loop.h" | 16 #include "base/run_loop.h" |
17 #include "base/single_thread_task_runner.h" | 17 #include "base/single_thread_task_runner.h" |
18 #include "base/synchronization/lock.h" | 18 #include "base/synchronization/lock.h" |
19 #include "base/test/test_timeouts.h" | 19 #include "base/test/test_timeouts.h" |
20 #include "base/threading/thread_task_runner_handle.h" | 20 #include "base/threading/thread_task_runner_handle.h" |
21 #include "base/time/time.h" | 21 #include "base/time/time.h" |
22 #include "build/build_config.h" | 22 #include "build/build_config.h" |
23 #include "media/audio/audio_device_description.h" | 23 #include "media/audio/audio_device_description.h" |
24 #include "media/audio/audio_device_info_accessor_for_tests.h" | 24 #include "media/audio/audio_device_info_accessor_for_tests.h" |
25 #include "media/audio/audio_io.h" | 25 #include "media/audio/audio_io.h" |
| 26 #include "media/audio/audio_manager.h" |
26 #include "media/audio/audio_unittest_util.h" | 27 #include "media/audio/audio_unittest_util.h" |
27 #include "media/audio/fake_audio_log_factory.h" | 28 #include "media/audio/test_audio_thread.h" |
28 #include "media/base/seekable_buffer.h" | 29 #include "media/base/seekable_buffer.h" |
29 #include "testing/gmock/include/gmock/gmock.h" | 30 #include "testing/gmock/include/gmock/gmock.h" |
30 #include "testing/gtest/include/gtest/gtest.h" | 31 #include "testing/gtest/include/gtest/gtest.h" |
31 | 32 |
32 #if defined(USE_PULSEAUDIO) | |
33 #include "media/audio/pulse/audio_manager_pulse.h" | |
34 #elif defined(USE_ALSA) | |
35 #include "media/audio/alsa/audio_manager_alsa.h" | |
36 #elif defined(USE_CRAS) | |
37 #include "media/audio/cras/audio_manager_cras.h" | |
38 #elif defined(OS_MACOSX) | |
39 #include "media/audio/mac/audio_manager_mac.h" | |
40 #elif defined(OS_WIN) | |
41 #include "media/audio/win/audio_manager_win.h" | |
42 #include "media/audio/win/core_audio_util_win.h" | |
43 #elif defined(OS_ANDROID) | |
44 #include "media/audio/android/audio_manager_android.h" | |
45 #else | |
46 #include "media/audio/fake_audio_manager.h" | |
47 #endif | |
48 | |
49 namespace media { | 33 namespace media { |
50 | 34 |
51 #if defined(USE_PULSEAUDIO) | |
52 typedef AudioManagerPulse AudioManagerAnyPlatform; | |
53 #elif defined(USE_ALSA) | |
54 typedef AudioManagerAlsa AudioManagerAnyPlatform; | |
55 #elif defined(USE_CRAS) | |
56 typedef AudioManagerCras AudioManagerAnyPlatform; | |
57 #elif defined(OS_MACOSX) | |
58 typedef AudioManagerMac AudioManagerAnyPlatform; | |
59 #elif defined(OS_WIN) | |
60 typedef AudioManagerWin AudioManagerAnyPlatform; | |
61 #elif defined(OS_ANDROID) | |
62 typedef AudioManagerAndroid AudioManagerAnyPlatform; | |
63 #else | |
64 typedef FakeAudioManager AudioManagerAnyPlatform; | |
65 #endif | |
66 | |
67 // Limits the number of delay measurements we can store in an array and | 35 // Limits the number of delay measurements we can store in an array and |
68 // then write to file at end of the WASAPIAudioInputOutputFullDuplex test. | 36 // then write to file at end of the WASAPIAudioInputOutputFullDuplex test. |
69 static const size_t kMaxDelayMeasurements = 1000; | 37 static const size_t kMaxDelayMeasurements = 1000; |
70 | 38 |
71 // Name of the output text file. The output file will be stored in the | 39 // Name of the output text file. The output file will be stored in the |
72 // directory containing media_unittests.exe. | 40 // directory containing media_unittests.exe. |
73 // Example: \src\build\Debug\audio_delay_values_ms.txt. | 41 // Example: \src\build\Debug\audio_delay_values_ms.txt. |
74 // See comments for the WASAPIAudioInputOutputFullDuplex test for more details | 42 // See comments for the WASAPIAudioInputOutputFullDuplex test for more details |
75 // about the file format. | 43 // about the file format. |
76 static const char kDelayValuesFileName[] = "audio_delay_values_ms.txt"; | 44 static const char kDelayValuesFileName[] = "audio_delay_values_ms.txt"; |
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93 | 61 |
94 // Reported capture/input delay. Typical value is ~10 [ms]. | 62 // Reported capture/input delay. Typical value is ~10 [ms]. |
95 int input_delay_ms; | 63 int input_delay_ms; |
96 | 64 |
97 // Reported render/output delay. Typical value is ~40 [ms]. | 65 // Reported render/output delay. Typical value is ~40 [ms]. |
98 int output_delay_ms; | 66 int output_delay_ms; |
99 }; | 67 }; |
100 | 68 |
101 void OnLogMessage(const std::string& message) {} | 69 void OnLogMessage(const std::string& message) {} |
102 | 70 |
103 // This class mocks the platform specific audio manager and overrides | |
104 // the GetMessageLoop() method to ensure that we can run our tests on | |
105 // the main thread instead of the audio thread. | |
106 class MockAudioManager : public AudioManagerAnyPlatform { | |
107 public: | |
108 MockAudioManager() | |
109 : AudioManagerAnyPlatform(base::ThreadTaskRunnerHandle::Get(), | |
110 base::ThreadTaskRunnerHandle::Get(), | |
111 &fake_audio_log_factory_) {} | |
112 ~MockAudioManager() override {} | |
113 | |
114 private: | |
115 FakeAudioLogFactory fake_audio_log_factory_; | |
116 DISALLOW_COPY_AND_ASSIGN(MockAudioManager); | |
117 }; | |
118 | |
119 // Test fixture class. | 71 // Test fixture class. |
120 class AudioLowLatencyInputOutputTest : public testing::Test { | 72 class AudioLowLatencyInputOutputTest : public testing::Test { |
121 protected: | 73 protected: |
122 AudioLowLatencyInputOutputTest() {} | 74 AudioLowLatencyInputOutputTest() { |
| 75 audio_manager_ = |
| 76 AudioManager::CreateForTesting(base::MakeUnique<TestAudioThread>()); |
| 77 } |
123 | 78 |
124 ~AudioLowLatencyInputOutputTest() override {} | 79 ~AudioLowLatencyInputOutputTest() override { audio_manager_->Shutdown(); } |
125 | 80 |
126 AudioManager* audio_manager() { return &mock_audio_manager_; } | 81 AudioManager* audio_manager() { return audio_manager_.get(); } |
127 base::MessageLoopForUI* message_loop() { return &message_loop_; } | 82 base::MessageLoopForUI* message_loop() { return &message_loop_; } |
128 | 83 |
129 private: | 84 private: |
130 base::MessageLoopForUI message_loop_; | 85 base::MessageLoopForUI message_loop_; |
131 MockAudioManager mock_audio_manager_; | 86 std::unique_ptr<AudioManager> audio_manager_; |
132 | 87 |
133 DISALLOW_COPY_AND_ASSIGN(AudioLowLatencyInputOutputTest); | 88 DISALLOW_COPY_AND_ASSIGN(AudioLowLatencyInputOutputTest); |
134 }; | 89 }; |
135 | 90 |
136 // This audio source/sink implementation should be used for manual tests | 91 // This audio source/sink implementation should be used for manual tests |
137 // only since delay measurements are stored on an output text file. | 92 // only since delay measurements are stored on an output text file. |
138 // All incoming/recorded audio packets are stored in an intermediate media | 93 // All incoming/recorded audio packets are stored in an intermediate media |
139 // buffer which the renderer reads from when it needs audio for playout. | 94 // buffer which the renderer reads from when it needs audio for playout. |
140 // The total effect is that recorded audio is played out in loop back using | 95 // The total effect is that recorded audio is played out in loop back using |
141 // a sync buffer as temporary storage. | 96 // a sync buffer as temporary storage. |
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446 | 401 |
447 // All Close() operations that run on the mocked audio thread, | 402 // All Close() operations that run on the mocked audio thread, |
448 // should be synchronous and not post additional close tasks to | 403 // should be synchronous and not post additional close tasks to |
449 // mocked the audio thread. Hence, there is no need to call | 404 // mocked the audio thread. Hence, there is no need to call |
450 // message_loop()->RunUntilIdle() after the Close() methods. | 405 // message_loop()->RunUntilIdle() after the Close() methods. |
451 aos->Close(); | 406 aos->Close(); |
452 ais->Close(); | 407 ais->Close(); |
453 } | 408 } |
454 | 409 |
455 } // namespace media | 410 } // namespace media |
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