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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 <algorithm> | 11 #include <algorithm> |
12 #include <vector> | 12 #include <vector> |
13 | 13 |
14 #include "testing/gtest/include/gtest/gtest.h" | 14 #include "testing/gtest/include/gtest/gtest.h" |
15 #include "webrtc/call/mock/mock_rtc_event_log.h" | |
16 #include "webrtc/modules/bitrate_controller/send_side_bandwidth_estimation.h" | 15 #include "webrtc/modules/bitrate_controller/send_side_bandwidth_estimation.h" |
17 | 16 |
18 namespace webrtc { | 17 namespace webrtc { |
19 | 18 |
20 void TestProbing(bool use_delay_based) { | 19 void TestProbing(bool use_delay_based) { |
21 MockRtcEventLog event_log; | 20 SendSideBandwidthEstimation bwe; |
22 SendSideBandwidthEstimation bwe(&event_log); | |
23 bwe.SetMinMaxBitrate(100000, 1500000); | 21 bwe.SetMinMaxBitrate(100000, 1500000); |
24 bwe.SetSendBitrate(200000); | 22 bwe.SetSendBitrate(200000); |
25 | 23 |
26 const int kRembBps = 1000000; | 24 const int kRembBps = 1000000; |
27 const int kSecondRembBps = kRembBps + 500000; | 25 const int kSecondRembBps = kRembBps + 500000; |
28 int64_t now_ms = 0; | 26 int64_t now_ms = 0; |
29 | 27 |
30 bwe.UpdateReceiverBlock(0, 50, 1, now_ms); | 28 bwe.UpdateReceiverBlock(0, 50, 1, now_ms); |
31 | 29 |
32 // Initial REMB applies immediately. | 30 // Initial REMB applies immediately. |
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57 | 55 |
58 TEST(SendSideBweTest, InitialRembWithProbing) { | 56 TEST(SendSideBweTest, InitialRembWithProbing) { |
59 TestProbing(false); | 57 TestProbing(false); |
60 } | 58 } |
61 | 59 |
62 TEST(SendSideBweTest, InitialDelayBasedBweWithProbing) { | 60 TEST(SendSideBweTest, InitialDelayBasedBweWithProbing) { |
63 TestProbing(true); | 61 TestProbing(true); |
64 } | 62 } |
65 | 63 |
66 TEST(SendSideBweTest, DoesntReapplyBitrateDecreaseWithoutFollowingRemb) { | 64 TEST(SendSideBweTest, DoesntReapplyBitrateDecreaseWithoutFollowingRemb) { |
67 MockRtcEventLog event_log; | 65 SendSideBandwidthEstimation bwe; |
68 EXPECT_CALL(event_log, | |
69 LogBwePacketLossEvent(testing::Gt(0), testing::Gt(0), 0)) | |
70 .Times(3); | |
71 SendSideBandwidthEstimation bwe(&event_log); | |
72 static const int kMinBitrateBps = 100000; | 66 static const int kMinBitrateBps = 100000; |
73 static const int kInitialBitrateBps = 1000000; | 67 static const int kInitialBitrateBps = 1000000; |
74 bwe.SetMinMaxBitrate(kMinBitrateBps, 1500000); | 68 bwe.SetMinMaxBitrate(kMinBitrateBps, 1500000); |
75 bwe.SetSendBitrate(kInitialBitrateBps); | 69 bwe.SetSendBitrate(kInitialBitrateBps); |
76 | 70 |
77 static const uint8_t kFractionLoss = 128; | 71 static const uint8_t kFractionLoss = 128; |
78 static const int64_t kRttMs = 50; | 72 static const int64_t kRttMs = 50; |
79 | 73 |
80 int64_t now_ms = 0; | 74 int64_t now_ms = 0; |
81 int bitrate_bps; | 75 int bitrate_bps; |
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111 bwe.UpdateEstimate(now_ms); | 105 bwe.UpdateEstimate(now_ms); |
112 bwe.CurrentEstimate(&bitrate_bps, &fraction_loss, &rtt_ms); | 106 bwe.CurrentEstimate(&bitrate_bps, &fraction_loss, &rtt_ms); |
113 | 107 |
114 EXPECT_EQ(last_bitrate_bps, bitrate_bps); | 108 EXPECT_EQ(last_bitrate_bps, bitrate_bps); |
115 // The old loss rate should still be applied though. | 109 // The old loss rate should still be applied though. |
116 EXPECT_EQ(kFractionLoss, fraction_loss); | 110 EXPECT_EQ(kFractionLoss, fraction_loss); |
117 EXPECT_EQ(kRttMs, rtt_ms); | 111 EXPECT_EQ(kRttMs, rtt_ms); |
118 } | 112 } |
119 | 113 |
120 } // namespace webrtc | 114 } // namespace webrtc |
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