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| 1 /* | 1 /* |
| 2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2015 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 |
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| 85 // packet, the truth[x].arrival_time and input[x].arrival_time may not be | 85 // packet, the truth[x].arrival_time and input[x].arrival_time may not be |
| 86 // equal. However, the difference must be the same for all x. | 86 // equal. However, the difference must be the same for all x. |
| 87 int64_t arrival_time_delta = | 87 int64_t arrival_time_delta = |
| 88 truth[0].arrival_time_ms - input[0].arrival_time_ms; | 88 truth[0].arrival_time_ms - input[0].arrival_time_ms; |
| 89 for (size_t i = 0; i < len; ++i) { | 89 for (size_t i = 0; i < len; ++i) { |
| 90 EXPECT_EQ(truth[i].arrival_time_ms, | 90 EXPECT_EQ(truth[i].arrival_time_ms, |
| 91 input[i].arrival_time_ms + arrival_time_delta); | 91 input[i].arrival_time_ms + arrival_time_delta); |
| 92 EXPECT_EQ(truth[i].send_time_ms, input[i].send_time_ms); | 92 EXPECT_EQ(truth[i].send_time_ms, input[i].send_time_ms); |
| 93 EXPECT_EQ(truth[i].sequence_number, input[i].sequence_number); | 93 EXPECT_EQ(truth[i].sequence_number, input[i].sequence_number); |
| 94 EXPECT_EQ(truth[i].payload_size, input[i].payload_size); | 94 EXPECT_EQ(truth[i].payload_size, input[i].payload_size); |
| 95 EXPECT_EQ(truth[i].was_paced, input[i].was_paced); |
| 95 EXPECT_EQ(truth[i].probe_cluster_id, input[i].probe_cluster_id); | 96 EXPECT_EQ(truth[i].probe_cluster_id, input[i].probe_cluster_id); |
| 96 } | 97 } |
| 97 } | 98 } |
| 98 | 99 |
| 99 // Utility method, to reset arrival_time_ms before adding send time. | 100 // Utility method, to reset arrival_time_ms before adding send time. |
| 100 void OnSentPacket(PacketInfo info) { | 101 void OnSentPacket(PacketInfo info) { |
| 101 info.arrival_time_ms = 0; | 102 info.arrival_time_ms = 0; |
| 102 adapter_->AddPacket(info.sequence_number, info.payload_size, | 103 adapter_->AddPacket(info.sequence_number, info.payload_size, info.was_paced, |
| 103 info.probe_cluster_id); | 104 info.probe_cluster_id); |
| 104 adapter_->OnSentPacket(info.sequence_number, info.send_time_ms); | 105 adapter_->OnSentPacket(info.sequence_number, info.send_time_ms); |
| 105 } | 106 } |
| 106 | 107 |
| 107 SimulatedClock clock_; | 108 SimulatedClock clock_; |
| 108 MockRemoteBitrateEstimator* bitrate_estimator_; | 109 MockRemoteBitrateEstimator* bitrate_estimator_; |
| 109 MockBitrateControllerAdapter bitrate_controller_; | 110 MockBitrateControllerAdapter bitrate_controller_; |
| 110 std::unique_ptr<TransportFeedbackAdapter> adapter_; | 111 std::unique_ptr<TransportFeedbackAdapter> adapter_; |
| 111 | 112 |
| 112 uint32_t receiver_estimated_bitrate_; | 113 uint32_t receiver_estimated_bitrate_; |
| 113 }; | 114 }; |
| 114 | 115 |
| 115 TEST_F(TransportFeedbackAdapterTest, AdaptsFeedbackAndPopulatesSendTimes) { | 116 TEST_F(TransportFeedbackAdapterTest, AdaptsFeedbackAndPopulatesSendTimes) { |
| 116 std::vector<PacketInfo> packets; | 117 std::vector<PacketInfo> packets; |
| 117 packets.push_back(PacketInfo(100, 200, 0, 1500, 0)); | 118 packets.push_back(PacketInfo(100, 200, 0, 1500, true, 0)); |
| 118 packets.push_back(PacketInfo(110, 210, 1, 1500, 0)); | 119 packets.push_back(PacketInfo(110, 210, 1, 1500, true, 0)); |
| 119 packets.push_back(PacketInfo(120, 220, 2, 1500, 0)); | 120 packets.push_back(PacketInfo(120, 220, 2, 1500, true, 0)); |
| 120 packets.push_back(PacketInfo(130, 230, 3, 1500, 1)); | 121 packets.push_back(PacketInfo(130, 230, 3, 1500, true, 1)); |
| 121 packets.push_back(PacketInfo(140, 240, 4, 1500, 1)); | 122 packets.push_back(PacketInfo(140, 240, 4, 1500, true, 1)); |
| 122 | 123 |
| 123 for (const PacketInfo& packet : packets) | 124 for (const PacketInfo& packet : packets) |
| 124 OnSentPacket(packet); | 125 OnSentPacket(packet); |
| 125 | 126 |
| 126 rtcp::TransportFeedback feedback; | 127 rtcp::TransportFeedback feedback; |
| 127 feedback.WithBase(packets[0].sequence_number, | 128 feedback.WithBase(packets[0].sequence_number, |
| 128 packets[0].arrival_time_ms * 1000); | 129 packets[0].arrival_time_ms * 1000); |
| 129 | 130 |
| 130 for (const PacketInfo& packet : packets) { | 131 for (const PacketInfo& packet : packets) { |
| 131 EXPECT_TRUE(feedback.WithReceivedPacket(packet.sequence_number, | 132 EXPECT_TRUE(feedback.WithReceivedPacket(packet.sequence_number, |
| 132 packet.arrival_time_ms * 1000)); | 133 packet.arrival_time_ms * 1000)); |
| 133 } | 134 } |
| 134 | 135 |
| 135 feedback.Build(); | 136 feedback.Build(); |
| 136 | 137 |
| 137 EXPECT_CALL(*bitrate_estimator_, IncomingPacketFeedbackVector(_)) | 138 EXPECT_CALL(*bitrate_estimator_, IncomingPacketFeedbackVector(_)) |
| 138 .Times(1) | 139 .Times(1) |
| 139 .WillOnce(Invoke( | 140 .WillOnce(Invoke( |
| 140 [packets, this](const std::vector<PacketInfo>& feedback_vector) { | 141 [packets, this](const std::vector<PacketInfo>& feedback_vector) { |
| 141 ComparePacketVectors(packets, feedback_vector); | 142 ComparePacketVectors(packets, feedback_vector); |
| 142 })); | 143 })); |
| 143 adapter_->OnTransportFeedback(feedback); | 144 adapter_->OnTransportFeedback(feedback); |
| 144 } | 145 } |
| 145 | 146 |
| 146 TEST_F(TransportFeedbackAdapterTest, HandlesDroppedPackets) { | 147 TEST_F(TransportFeedbackAdapterTest, HandlesDroppedPackets) { |
| 147 std::vector<PacketInfo> packets; | 148 std::vector<PacketInfo> packets; |
| 148 packets.push_back(PacketInfo(100, 200, 0, 1500, 1)); | 149 packets.push_back(PacketInfo(100, 200, 0, 1500, true, 1)); |
| 149 packets.push_back(PacketInfo(110, 210, 1, 1500, 2)); | 150 packets.push_back(PacketInfo(110, 210, 1, 1500, true, 2)); |
| 150 packets.push_back(PacketInfo(120, 220, 2, 1500, 3)); | 151 packets.push_back(PacketInfo(120, 220, 2, 1500, true, 3)); |
| 151 packets.push_back(PacketInfo(130, 230, 3, 1500, 4)); | 152 packets.push_back(PacketInfo(130, 230, 3, 1500, true, 4)); |
| 152 packets.push_back(PacketInfo(140, 240, 4, 1500, 5)); | 153 packets.push_back(PacketInfo(140, 240, 4, 1500, true, 5)); |
| 153 | 154 |
| 154 const uint16_t kSendSideDropBefore = 1; | 155 const uint16_t kSendSideDropBefore = 1; |
| 155 const uint16_t kReceiveSideDropAfter = 3; | 156 const uint16_t kReceiveSideDropAfter = 3; |
| 156 | 157 |
| 157 for (const PacketInfo& packet : packets) { | 158 for (const PacketInfo& packet : packets) { |
| 158 if (packet.sequence_number >= kSendSideDropBefore) | 159 if (packet.sequence_number >= kSendSideDropBefore) |
| 159 OnSentPacket(packet); | 160 OnSentPacket(packet); |
| 160 } | 161 } |
| 161 | 162 |
| 162 rtcp::TransportFeedback feedback; | 163 rtcp::TransportFeedback feedback; |
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| 183 ComparePacketVectors(expected_packets, feedback_vector); | 184 ComparePacketVectors(expected_packets, feedback_vector); |
| 184 })); | 185 })); |
| 185 adapter_->OnTransportFeedback(feedback); | 186 adapter_->OnTransportFeedback(feedback); |
| 186 } | 187 } |
| 187 | 188 |
| 188 TEST_F(TransportFeedbackAdapterTest, SendTimeWrapsBothWays) { | 189 TEST_F(TransportFeedbackAdapterTest, SendTimeWrapsBothWays) { |
| 189 int64_t kHighArrivalTimeMs = rtcp::TransportFeedback::kDeltaScaleFactor * | 190 int64_t kHighArrivalTimeMs = rtcp::TransportFeedback::kDeltaScaleFactor * |
| 190 static_cast<int64_t>(1 << 8) * | 191 static_cast<int64_t>(1 << 8) * |
| 191 static_cast<int64_t>((1 << 23) - 1) / 1000; | 192 static_cast<int64_t>((1 << 23) - 1) / 1000; |
| 192 std::vector<PacketInfo> packets; | 193 std::vector<PacketInfo> packets; |
| 193 packets.push_back(PacketInfo(kHighArrivalTimeMs - 64, 200, 0, 1500, | 194 packets.push_back(PacketInfo(kHighArrivalTimeMs - 64, 200, 0, 1500, true, |
| 194 PacketInfo::kNotAProbe)); | 195 PacketInfo::kNotAProbe)); |
| 195 packets.push_back(PacketInfo(kHighArrivalTimeMs + 64, 210, 1, 1500, | 196 packets.push_back(PacketInfo(kHighArrivalTimeMs + 64, 210, 1, 1500, true, |
| 196 PacketInfo::kNotAProbe)); | 197 PacketInfo::kNotAProbe)); |
| 197 packets.push_back( | 198 packets.push_back(PacketInfo(kHighArrivalTimeMs, 220, 2, 1500, true, |
| 198 PacketInfo(kHighArrivalTimeMs, 220, 2, 1500, PacketInfo::kNotAProbe)); | 199 PacketInfo::kNotAProbe)); |
| 199 | 200 |
| 200 for (const PacketInfo& packet : packets) | 201 for (const PacketInfo& packet : packets) |
| 201 OnSentPacket(packet); | 202 OnSentPacket(packet); |
| 202 | 203 |
| 203 for (size_t i = 0; i < packets.size(); ++i) { | 204 for (size_t i = 0; i < packets.size(); ++i) { |
| 204 std::unique_ptr<rtcp::TransportFeedback> feedback( | 205 std::unique_ptr<rtcp::TransportFeedback> feedback( |
| 205 new rtcp::TransportFeedback()); | 206 new rtcp::TransportFeedback()); |
| 206 feedback->WithBase(packets[i].sequence_number, | 207 feedback->WithBase(packets[i].sequence_number, |
| 207 packets[i].arrival_time_ms * 1000); | 208 packets[i].arrival_time_ms * 1000); |
| 208 | 209 |
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| 221 .WillOnce(Invoke([expected_packets, this]( | 222 .WillOnce(Invoke([expected_packets, this]( |
| 222 const std::vector<PacketInfo>& feedback_vector) { | 223 const std::vector<PacketInfo>& feedback_vector) { |
| 223 ComparePacketVectors(expected_packets, feedback_vector); | 224 ComparePacketVectors(expected_packets, feedback_vector); |
| 224 })); | 225 })); |
| 225 adapter_->OnTransportFeedback(*feedback.get()); | 226 adapter_->OnTransportFeedback(*feedback.get()); |
| 226 } | 227 } |
| 227 } | 228 } |
| 228 | 229 |
| 229 TEST_F(TransportFeedbackAdapterTest, HandlesReordering) { | 230 TEST_F(TransportFeedbackAdapterTest, HandlesReordering) { |
| 230 std::vector<PacketInfo> packets; | 231 std::vector<PacketInfo> packets; |
| 231 packets.push_back(PacketInfo(120, 200, 0, 1500, 0)); | 232 packets.push_back(PacketInfo(120, 200, 0, 1500, true, 0)); |
| 232 packets.push_back(PacketInfo(110, 210, 1, 1500, 0)); | 233 packets.push_back(PacketInfo(110, 210, 1, 1500, true, 0)); |
| 233 packets.push_back(PacketInfo(100, 220, 2, 1500, 0)); | 234 packets.push_back(PacketInfo(100, 220, 2, 1500, true, 0)); |
| 234 std::vector<PacketInfo> expected_packets; | 235 std::vector<PacketInfo> expected_packets; |
| 235 expected_packets.push_back(packets[2]); | 236 expected_packets.push_back(packets[2]); |
| 236 expected_packets.push_back(packets[1]); | 237 expected_packets.push_back(packets[1]); |
| 237 expected_packets.push_back(packets[0]); | 238 expected_packets.push_back(packets[0]); |
| 238 | 239 |
| 239 for (const PacketInfo& packet : packets) | 240 for (const PacketInfo& packet : packets) |
| 240 OnSentPacket(packet); | 241 OnSentPacket(packet); |
| 241 | 242 |
| 242 rtcp::TransportFeedback feedback; | 243 rtcp::TransportFeedback feedback; |
| 243 feedback.WithBase(packets[0].sequence_number, | 244 feedback.WithBase(packets[0].sequence_number, |
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| 354 })); | 355 })); |
| 355 adapter_->OnTransportFeedback(*feedback.get()); | 356 adapter_->OnTransportFeedback(*feedback.get()); |
| 356 | 357 |
| 357 expected_packets.push_back(info); | 358 expected_packets.push_back(info); |
| 358 | 359 |
| 359 ComparePacketVectors(expected_packets, received_feedback); | 360 ComparePacketVectors(expected_packets, received_feedback); |
| 360 } | 361 } |
| 361 | 362 |
| 362 } // namespace test | 363 } // namespace test |
| 363 } // namespace webrtc | 364 } // namespace webrtc |
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