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1 /* | 1 /* |
2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2016 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 <cmath> | 11 #include <cmath> |
12 #include <memory> | 12 #include <memory> |
13 | 13 |
14 #include "webrtc/base/fakeclock.h" | |
15 #include "webrtc/common_audio/smoothing_filter.h" | 14 #include "webrtc/common_audio/smoothing_filter.h" |
| 15 #include "webrtc/rtc_base/fakeclock.h" |
16 #include "webrtc/test/gtest.h" | 16 #include "webrtc/test/gtest.h" |
17 | 17 |
18 namespace webrtc { | 18 namespace webrtc { |
19 | 19 |
20 namespace { | 20 namespace { |
21 | 21 |
22 constexpr float kMaxAbsError = 1e-5f; | 22 constexpr float kMaxAbsError = 1e-5f; |
23 constexpr int64_t kClockInitialTime = 123456; | 23 constexpr int64_t kClockInitialTime = 123456; |
24 | 24 |
25 struct SmoothingFilterStates { | 25 struct SmoothingFilterStates { |
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155 // |kInitTimeConstantMs|. | 155 // |kInitTimeConstantMs|. |
156 EXPECT_FLOAT_EQ(exp(-1.0f / kInitTimeMs), states.smoothing_filter.alpha()); | 156 EXPECT_FLOAT_EQ(exp(-1.0f / kInitTimeMs), states.smoothing_filter.alpha()); |
157 | 157 |
158 // After initialization, |SetTimeConstantMs| takes effect. | 158 // After initialization, |SetTimeConstantMs| takes effect. |
159 EXPECT_TRUE(states.smoothing_filter.SetTimeConstantMs(kInitTimeMs * 2)); | 159 EXPECT_TRUE(states.smoothing_filter.SetTimeConstantMs(kInitTimeMs * 2)); |
160 EXPECT_FLOAT_EQ(exp(-1.0f / (kInitTimeMs * 2)), | 160 EXPECT_FLOAT_EQ(exp(-1.0f / (kInitTimeMs * 2)), |
161 states.smoothing_filter.alpha()); | 161 states.smoothing_filter.alpha()); |
162 } | 162 } |
163 | 163 |
164 } // namespace webrtc | 164 } // namespace webrtc |
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