nack_test.cc (2204B)
1 /* 2 * Copyright (c) 2021 The WebRTC project authors. All Rights Reserved. 3 * 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 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #include <cstdint> 12 #include <vector> 13 14 #include "api/test/simulated_network.h" 15 #include "audio/test/audio_end_to_end_test.h" 16 #include "call/audio_receive_stream.h" 17 #include "call/audio_send_stream.h" 18 #include "rtc_base/thread.h" 19 #include "test/call_test.h" 20 #include "test/gtest.h" 21 22 namespace webrtc { 23 namespace test { 24 25 using NackTest = CallTest; 26 27 TEST_F(NackTest, ShouldNackInLossyNetwork) { 28 class NackTest : public AudioEndToEndTest { 29 public: 30 const int kTestDurationMs = 2000; 31 const int64_t kRttMs = 30; 32 const int64_t kLossPercent = 30; 33 const int kNackHistoryMs = 1000; 34 35 BuiltInNetworkBehaviorConfig GetSendTransportConfig() const override { 36 BuiltInNetworkBehaviorConfig pipe_config; 37 pipe_config.queue_delay_ms = kRttMs / 2; 38 pipe_config.loss_percent = kLossPercent; 39 return pipe_config; 40 } 41 42 void ModifyAudioConfigs(AudioSendStream::Config* send_config, 43 std::vector<AudioReceiveStreamInterface::Config>* 44 receive_configs) override { 45 ASSERT_EQ(receive_configs->size(), 1U); 46 (*receive_configs)[0].rtp.nack.rtp_history_ms = kNackHistoryMs; 47 AudioEndToEndTest::ModifyAudioConfigs(send_config, receive_configs); 48 } 49 50 void PerformTest() override { Thread::SleepMs(kTestDurationMs); } 51 52 void OnStreamsStopped() override { 53 AudioReceiveStreamInterface::Stats recv_stats = 54 receive_stream()->GetStats(/*get_and_clear_legacy_stats=*/true); 55 EXPECT_GT(recv_stats.nacks_sent, 0U); 56 AudioSendStream::Stats send_stats = send_stream()->GetStats(); 57 EXPECT_GT(send_stats.retransmitted_packets_sent, 0U); 58 EXPECT_GT(send_stats.nacks_received, 0U); 59 } 60 } test; 61 62 RunBaseTest(&test); 63 } 64 65 } // namespace test 66 } // namespace webrtc