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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_io.h" | 24 #include "media/audio/audio_io.h" |
| 25 #include "media/audio/audio_manager.h" |
25 #include "media/audio/audio_unittest_util.h" | 26 #include "media/audio/audio_unittest_util.h" |
26 #include "media/audio/fake_audio_log_factory.h" | 27 #include "media/audio/test_audio_thread.h" |
27 #include "media/base/seekable_buffer.h" | 28 #include "media/base/seekable_buffer.h" |
28 #include "testing/gmock/include/gmock/gmock.h" | 29 #include "testing/gmock/include/gmock/gmock.h" |
29 #include "testing/gtest/include/gtest/gtest.h" | 30 #include "testing/gtest/include/gtest/gtest.h" |
30 | 31 |
31 #if defined(USE_PULSEAUDIO) | |
32 #include "media/audio/pulse/audio_manager_pulse.h" | |
33 #elif defined(USE_ALSA) | |
34 #include "media/audio/alsa/audio_manager_alsa.h" | |
35 #elif defined(USE_CRAS) | |
36 #include "media/audio/cras/audio_manager_cras.h" | |
37 #elif defined(OS_MACOSX) | |
38 #include "media/audio/mac/audio_manager_mac.h" | |
39 #elif defined(OS_WIN) | |
40 #include "media/audio/win/audio_manager_win.h" | |
41 #include "media/audio/win/core_audio_util_win.h" | |
42 #elif defined(OS_ANDROID) | |
43 #include "media/audio/android/audio_manager_android.h" | |
44 #else | |
45 #include "media/audio/fake_audio_manager.h" | |
46 #endif | |
47 | |
48 namespace media { | 32 namespace media { |
49 | 33 |
50 #if defined(USE_PULSEAUDIO) | |
51 typedef AudioManagerPulse AudioManagerAnyPlatform; | |
52 #elif defined(USE_ALSA) | |
53 typedef AudioManagerAlsa AudioManagerAnyPlatform; | |
54 #elif defined(USE_CRAS) | |
55 typedef AudioManagerCras AudioManagerAnyPlatform; | |
56 #elif defined(OS_MACOSX) | |
57 typedef AudioManagerMac AudioManagerAnyPlatform; | |
58 #elif defined(OS_WIN) | |
59 typedef AudioManagerWin AudioManagerAnyPlatform; | |
60 #elif defined(OS_ANDROID) | |
61 typedef AudioManagerAndroid AudioManagerAnyPlatform; | |
62 #else | |
63 typedef FakeAudioManager AudioManagerAnyPlatform; | |
64 #endif | |
65 | |
66 // Limits the number of delay measurements we can store in an array and | 34 // Limits the number of delay measurements we can store in an array and |
67 // then write to file at end of the WASAPIAudioInputOutputFullDuplex test. | 35 // then write to file at end of the WASAPIAudioInputOutputFullDuplex test. |
68 static const size_t kMaxDelayMeasurements = 1000; | 36 static const size_t kMaxDelayMeasurements = 1000; |
69 | 37 |
70 // Name of the output text file. The output file will be stored in the | 38 // Name of the output text file. The output file will be stored in the |
71 // directory containing media_unittests.exe. | 39 // directory containing media_unittests.exe. |
72 // Example: \src\build\Debug\audio_delay_values_ms.txt. | 40 // Example: \src\build\Debug\audio_delay_values_ms.txt. |
73 // See comments for the WASAPIAudioInputOutputFullDuplex test for more details | 41 // See comments for the WASAPIAudioInputOutputFullDuplex test for more details |
74 // about the file format. | 42 // about the file format. |
75 static const char kDelayValuesFileName[] = "audio_delay_values_ms.txt"; | 43 static const char kDelayValuesFileName[] = "audio_delay_values_ms.txt"; |
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92 | 60 |
93 // Reported capture/input delay. Typical value is ~10 [ms]. | 61 // Reported capture/input delay. Typical value is ~10 [ms]. |
94 int input_delay_ms; | 62 int input_delay_ms; |
95 | 63 |
96 // Reported render/output delay. Typical value is ~40 [ms]. | 64 // Reported render/output delay. Typical value is ~40 [ms]. |
97 int output_delay_ms; | 65 int output_delay_ms; |
98 }; | 66 }; |
99 | 67 |
100 void OnLogMessage(const std::string& message) {} | 68 void OnLogMessage(const std::string& message) {} |
101 | 69 |
102 // This class mocks the platform specific audio manager and overrides | |
103 // the GetMessageLoop() method to ensure that we can run our tests on | |
104 // the main thread instead of the audio thread. | |
105 class MockAudioManager : public AudioManagerAnyPlatform { | |
106 public: | |
107 MockAudioManager() | |
108 : AudioManagerAnyPlatform(base::ThreadTaskRunnerHandle::Get(), | |
109 base::ThreadTaskRunnerHandle::Get(), | |
110 &fake_audio_log_factory_) {} | |
111 ~MockAudioManager() override {} | |
112 | |
113 private: | |
114 FakeAudioLogFactory fake_audio_log_factory_; | |
115 DISALLOW_COPY_AND_ASSIGN(MockAudioManager); | |
116 }; | |
117 | |
118 // Test fixture class. | 70 // Test fixture class. |
119 class AudioLowLatencyInputOutputTest : public testing::Test { | 71 class AudioLowLatencyInputOutputTest : public testing::Test { |
120 protected: | 72 protected: |
121 AudioLowLatencyInputOutputTest() {} | 73 AudioLowLatencyInputOutputTest() { |
| 74 audio_manager_ = |
| 75 AudioManager::CreateForTesting(base::MakeUnique<TestAudioThread>()); |
| 76 } |
122 | 77 |
123 ~AudioLowLatencyInputOutputTest() override {} | 78 ~AudioLowLatencyInputOutputTest() override { audio_manager_->Shutdown(); } |
124 | 79 |
125 AudioManager* audio_manager() { return &mock_audio_manager_; } | 80 AudioManager* audio_manager() { return audio_manager_.get(); } |
126 base::MessageLoopForUI* message_loop() { return &message_loop_; } | 81 base::MessageLoopForUI* message_loop() { return &message_loop_; } |
127 | 82 |
128 private: | 83 private: |
129 base::MessageLoopForUI message_loop_; | 84 base::MessageLoopForUI message_loop_; |
130 MockAudioManager mock_audio_manager_; | 85 std::unique_ptr<AudioManager> audio_manager_; |
131 | 86 |
132 DISALLOW_COPY_AND_ASSIGN(AudioLowLatencyInputOutputTest); | 87 DISALLOW_COPY_AND_ASSIGN(AudioLowLatencyInputOutputTest); |
133 }; | 88 }; |
134 | 89 |
135 // This audio source/sink implementation should be used for manual tests | 90 // This audio source/sink implementation should be used for manual tests |
136 // only since delay measurements are stored on an output text file. | 91 // only since delay measurements are stored on an output text file. |
137 // All incoming/recorded audio packets are stored in an intermediate media | 92 // All incoming/recorded audio packets are stored in an intermediate media |
138 // buffer which the renderer reads from when it needs audio for playout. | 93 // buffer which the renderer reads from when it needs audio for playout. |
139 // The total effect is that recorded audio is played out in loop back using | 94 // The total effect is that recorded audio is played out in loop back using |
140 // a sync buffer as temporary storage. | 95 // a sync buffer as temporary storage. |
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443 | 398 |
444 // All Close() operations that run on the mocked audio thread, | 399 // All Close() operations that run on the mocked audio thread, |
445 // should be synchronous and not post additional close tasks to | 400 // should be synchronous and not post additional close tasks to |
446 // mocked the audio thread. Hence, there is no need to call | 401 // mocked the audio thread. Hence, there is no need to call |
447 // message_loop()->RunUntilIdle() after the Close() methods. | 402 // message_loop()->RunUntilIdle() after the Close() methods. |
448 aos->Close(); | 403 aos->Close(); |
449 ais->Close(); | 404 ais->Close(); |
450 } | 405 } |
451 | 406 |
452 } // namespace media | 407 } // namespace media |
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