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1 /* | 1 /* |
2 * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #include "webrtc/modules/audio_processing/aec3/echo_path_delay_estimator.h" | 11 #include "webrtc/modules/audio_processing/aec3/echo_path_delay_estimator.h" |
12 | 12 |
13 #include <algorithm> | 13 #include <algorithm> |
14 #include <sstream> | 14 #include <sstream> |
15 #include <string> | 15 #include <string> |
16 | 16 |
17 #include "webrtc/base/random.h" | 17 #include "webrtc/base/random.h" |
18 #include "webrtc/modules/audio_processing/aec3/aec3_constants.h" | 18 #include "webrtc/modules/audio_processing/aec3/aec3_common.h" |
19 #include "webrtc/modules/audio_processing/logging/apm_data_dumper.h" | 19 #include "webrtc/modules/audio_processing/logging/apm_data_dumper.h" |
20 #include "webrtc/modules/audio_processing/test/echo_canceller_test_tools.h" | 20 #include "webrtc/modules/audio_processing/test/echo_canceller_test_tools.h" |
21 #include "webrtc/test/gtest.h" | 21 #include "webrtc/test/gtest.h" |
22 | 22 |
23 namespace webrtc { | 23 namespace webrtc { |
24 namespace { | 24 namespace { |
25 | 25 |
26 std::string ProduceDebugText(size_t delay) { | 26 std::string ProduceDebugText(size_t delay) { |
27 std::ostringstream ss; | 27 std::ostringstream ss; |
28 ss << "Delay: " << delay; | 28 ss << "Delay: " << delay; |
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42 } | 42 } |
43 } | 43 } |
44 | 44 |
45 // Verifies that the delay estimator produces correct delay for artificially | 45 // Verifies that the delay estimator produces correct delay for artificially |
46 // delayed signals. | 46 // delayed signals. |
47 TEST(EchoPathDelayEstimator, DelayEstimation) { | 47 TEST(EchoPathDelayEstimator, DelayEstimation) { |
48 Random random_generator(42U); | 48 Random random_generator(42U); |
49 std::vector<float> render(kBlockSize, 0.f); | 49 std::vector<float> render(kBlockSize, 0.f); |
50 std::vector<float> capture(kBlockSize, 0.f); | 50 std::vector<float> capture(kBlockSize, 0.f); |
51 ApmDataDumper data_dumper(0); | 51 ApmDataDumper data_dumper(0); |
52 for (size_t delay_samples : {0, 64, 150, 200, 800, 4000}) { | 52 for (size_t delay_samples : {15, 64, 150, 200, 800, 4000}) { |
53 SCOPED_TRACE(ProduceDebugText(delay_samples)); | 53 SCOPED_TRACE(ProduceDebugText(delay_samples)); |
54 DelayBuffer<float> signal_delay_buffer(delay_samples); | 54 DelayBuffer<float> signal_delay_buffer(delay_samples); |
55 EchoPathDelayEstimator estimator(&data_dumper); | 55 EchoPathDelayEstimator estimator(&data_dumper); |
56 | 56 |
57 rtc::Optional<size_t> estimated_delay_samples; | 57 rtc::Optional<size_t> estimated_delay_samples; |
58 for (size_t k = 0; k < (100 + delay_samples / kBlockSize); ++k) { | 58 for (size_t k = 0; k < (100 + delay_samples / kBlockSize); ++k) { |
59 RandomizeSampleVector(&random_generator, render); | 59 RandomizeSampleVector(&random_generator, render); |
60 signal_delay_buffer.Delay(render, capture); | 60 signal_delay_buffer.Delay(render, capture); |
61 estimated_delay_samples = estimator.EstimateDelay(render, capture); | 61 estimated_delay_samples = estimator.EstimateDelay(render, capture); |
62 } | 62 } |
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145 } | 145 } |
146 | 146 |
147 // Verifies the check for non-null data dumper. | 147 // Verifies the check for non-null data dumper. |
148 TEST(EchoPathDelayEstimator, NullDataDumper) { | 148 TEST(EchoPathDelayEstimator, NullDataDumper) { |
149 EXPECT_DEATH(EchoPathDelayEstimator(nullptr), ""); | 149 EXPECT_DEATH(EchoPathDelayEstimator(nullptr), ""); |
150 } | 150 } |
151 | 151 |
152 #endif | 152 #endif |
153 | 153 |
154 } // namespace webrtc | 154 } // namespace webrtc |
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