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1 /* | 1 /* |
2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2014 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 <math.h> | 11 #include <math.h> |
12 | 12 |
13 #include <memory> | 13 #include <memory> |
14 | 14 |
| 15 #include "webrtc/system_wrappers/include/clock.h" |
15 #include "webrtc/test/gtest.h" | 16 #include "webrtc/test/gtest.h" |
16 #include "webrtc/voice_engine/network_predictor.h" | 17 #include "webrtc/voice_engine/network_predictor.h" |
17 #include "webrtc/system_wrappers/include/clock.h" | |
18 | 18 |
19 namespace webrtc { | 19 namespace webrtc { |
20 namespace voe { | 20 namespace voe { |
21 | 21 |
22 class TestNetworkPredictor : public ::testing::Test { | 22 class TestNetworkPredictor : public ::testing::Test { |
23 protected: | 23 protected: |
24 TestNetworkPredictor() | 24 TestNetworkPredictor() |
25 : clock_(0), | 25 : clock_(0), |
26 network_predictor_(new NetworkPredictor(&clock_)) {} | 26 network_predictor_(new NetworkPredictor(&clock_)) {} |
27 SimulatedClock clock_; | 27 SimulatedClock clock_; |
28 std::unique_ptr<NetworkPredictor> network_predictor_; | 28 std::unique_ptr<NetworkPredictor> network_predictor_; |
29 }; | 29 }; |
30 | 30 |
31 TEST_F(TestNetworkPredictor, TestPacketLossRateFilter) { | 31 TEST_F(TestNetworkPredictor, TestPacketLossRateFilter) { |
32 // Test initial packet loss rate estimate is 0. | 32 // Test initial packet loss rate estimate is 0. |
33 EXPECT_EQ(0, network_predictor_->GetLossRate()); | 33 EXPECT_EQ(0, network_predictor_->GetLossRate()); |
34 network_predictor_->UpdatePacketLossRate(32); | 34 network_predictor_->UpdatePacketLossRate(32); |
35 // First time, no filtering. | 35 // First time, no filtering. |
36 EXPECT_EQ(32, network_predictor_->GetLossRate()); | 36 EXPECT_EQ(32, network_predictor_->GetLossRate()); |
37 clock_.AdvanceTimeMilliseconds(1000); | 37 clock_.AdvanceTimeMilliseconds(1000); |
38 network_predictor_->UpdatePacketLossRate(40); | 38 network_predictor_->UpdatePacketLossRate(40); |
39 float exp = pow(0.9999f, 1000); | 39 float exp = pow(0.9999f, 1000); |
40 float value = 32.0f * exp + (1 - exp) * 40.0f; | 40 float value = 32.0f * exp + (1 - exp) * 40.0f; |
41 EXPECT_EQ(static_cast<uint8_t>(value + 0.5f), | 41 EXPECT_EQ(static_cast<uint8_t>(value + 0.5f), |
42 network_predictor_->GetLossRate()); | 42 network_predictor_->GetLossRate()); |
43 } | 43 } |
44 } // namespace voe | 44 } // namespace voe |
45 } // namespace webrtc | 45 } // namespace webrtc |
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