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1 /*
2  *  Copyright (c) 2015 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 "audio/audio_receive_stream.h"
12 
13 #include <map>
14 #include <string>
15 #include <utility>
16 #include <vector>
17 
18 #include "api/test/mock_audio_mixer.h"
19 #include "api/test/mock_frame_decryptor.h"
20 #include "audio/conversion.h"
21 #include "audio/mock_voe_channel_proxy.h"
22 #include "call/rtp_stream_receiver_controller.h"
23 #include "logging/rtc_event_log/mock/mock_rtc_event_log.h"
24 #include "modules/audio_device/include/mock_audio_device.h"
25 #include "modules/audio_processing/include/mock_audio_processing.h"
26 #include "modules/pacing/packet_router.h"
27 #include "modules/rtp_rtcp/source/byte_io.h"
28 #include "rtc_base/time_utils.h"
29 #include "test/gtest.h"
30 #include "test/mock_audio_decoder_factory.h"
31 #include "test/mock_transport.h"
32 
33 namespace webrtc {
34 namespace test {
35 namespace {
36 
37 using ::testing::_;
38 using ::testing::FloatEq;
39 using ::testing::NiceMock;
40 using ::testing::Return;
41 
MakeAudioDecodeStatsForTest()42 AudioDecodingCallStats MakeAudioDecodeStatsForTest() {
43   AudioDecodingCallStats audio_decode_stats;
44   audio_decode_stats.calls_to_silence_generator = 234;
45   audio_decode_stats.calls_to_neteq = 567;
46   audio_decode_stats.decoded_normal = 890;
47   audio_decode_stats.decoded_neteq_plc = 123;
48   audio_decode_stats.decoded_codec_plc = 124;
49   audio_decode_stats.decoded_cng = 456;
50   audio_decode_stats.decoded_plc_cng = 789;
51   audio_decode_stats.decoded_muted_output = 987;
52   return audio_decode_stats;
53 }
54 
55 const uint32_t kRemoteSsrc = 1234;
56 const uint32_t kLocalSsrc = 5678;
57 const int kAudioLevelId = 3;
58 const int kTransportSequenceNumberId = 4;
59 const int kJitterBufferDelay = -7;
60 const int kPlayoutBufferDelay = 302;
61 const unsigned int kSpeechOutputLevel = 99;
62 const double kTotalOutputEnergy = 0.25;
63 const double kTotalOutputDuration = 0.5;
64 const int64_t kPlayoutNtpTimestampMs = 5678;
65 
66 const CallReceiveStatistics kCallStats = {678, 234, -12, 567, 78, 890, 123};
67 const std::pair<int, SdpAudioFormat> kReceiveCodec = {
68     123,
69     {"codec_name_recv", 96000, 0}};
70 const NetworkStatistics kNetworkStats = {
71     /*currentBufferSize=*/123,
72     /*preferredBufferSize=*/456,
73     /*jitterPeaksFound=*/false,
74     /*totalSamplesReceived=*/789012,
75     /*concealedSamples=*/3456,
76     /*silentConcealedSamples=*/123,
77     /*concealmentEvents=*/456,
78     /*jitterBufferDelayMs=*/789,
79     /*jitterBufferEmittedCount=*/543,
80     /*jitterBufferTargetDelayMs=*/123,
81     /*jitterBufferMinimumDelayMs=*/222,
82     /*insertedSamplesForDeceleration=*/432,
83     /*removedSamplesForAcceleration=*/321,
84     /*fecPacketsReceived=*/123,
85     /*fecPacketsDiscarded=*/101,
86     /*packetsDiscarded=*/989,
87     /*currentExpandRate=*/789,
88     /*currentSpeechExpandRate=*/12,
89     /*currentPreemptiveRate=*/345,
90     /*currentAccelerateRate =*/678,
91     /*currentSecondaryDecodedRate=*/901,
92     /*currentSecondaryDiscardedRate=*/0,
93     /*meanWaitingTimeMs=*/-1,
94     /*maxWaitingTimeMs=*/-1,
95     /*packetBufferFlushes=*/0,
96     /*delayedPacketOutageSamples=*/0,
97     /*relativePacketArrivalDelayMs=*/135,
98     /*interruptionCount=*/-1,
99     /*totalInterruptionDurationMs=*/-1};
100 const AudioDecodingCallStats kAudioDecodeStats = MakeAudioDecodeStatsForTest();
101 
102 struct ConfigHelper {
ConfigHelperwebrtc::test::__anon78d7157f0111::ConfigHelper103   explicit ConfigHelper(bool use_null_audio_processing)
104       : ConfigHelper(rtc::make_ref_counted<MockAudioMixer>(),
105                      use_null_audio_processing) {}
106 
ConfigHelperwebrtc::test::__anon78d7157f0111::ConfigHelper107   ConfigHelper(rtc::scoped_refptr<MockAudioMixer> audio_mixer,
108                bool use_null_audio_processing)
109       : audio_mixer_(audio_mixer) {
110     using ::testing::Invoke;
111 
112     AudioState::Config config;
113     config.audio_mixer = audio_mixer_;
114     config.audio_processing =
115         use_null_audio_processing
116             ? nullptr
117             : rtc::make_ref_counted<NiceMock<MockAudioProcessing>>();
118     config.audio_device_module =
119         rtc::make_ref_counted<testing::NiceMock<MockAudioDeviceModule>>();
120     audio_state_ = AudioState::Create(config);
121 
122     channel_receive_ = new ::testing::StrictMock<MockChannelReceive>();
123     EXPECT_CALL(*channel_receive_, SetNACKStatus(true, 15)).Times(1);
124     EXPECT_CALL(*channel_receive_,
125                 RegisterReceiverCongestionControlObjects(&packet_router_))
126         .Times(1);
127     EXPECT_CALL(*channel_receive_, ResetReceiverCongestionControlObjects())
128         .Times(1);
129     EXPECT_CALL(*channel_receive_, SetAssociatedSendChannel(nullptr)).Times(1);
130     EXPECT_CALL(*channel_receive_, SetReceiveCodecs(_))
131         .WillRepeatedly(Invoke([](const std::map<int, SdpAudioFormat>& codecs) {
132           EXPECT_THAT(codecs, ::testing::IsEmpty());
133         }));
134     EXPECT_CALL(*channel_receive_, SetSourceTracker(_));
135     EXPECT_CALL(*channel_receive_, GetLocalSsrc())
136         .WillRepeatedly(Return(kLocalSsrc));
137 
138     stream_config_.rtp.local_ssrc = kLocalSsrc;
139     stream_config_.rtp.remote_ssrc = kRemoteSsrc;
140     stream_config_.rtp.nack.rtp_history_ms = 300;
141     stream_config_.rtp.extensions.push_back(
142         RtpExtension(RtpExtension::kAudioLevelUri, kAudioLevelId));
143     stream_config_.rtp.extensions.push_back(RtpExtension(
144         RtpExtension::kTransportSequenceNumberUri, kTransportSequenceNumberId));
145     stream_config_.rtcp_send_transport = &rtcp_send_transport_;
146     stream_config_.decoder_factory =
147         rtc::make_ref_counted<MockAudioDecoderFactory>();
148   }
149 
CreateAudioReceiveStreamwebrtc::test::__anon78d7157f0111::ConfigHelper150   std::unique_ptr<AudioReceiveStreamImpl> CreateAudioReceiveStream() {
151     auto ret = std::make_unique<AudioReceiveStreamImpl>(
152         Clock::GetRealTimeClock(), &packet_router_, stream_config_,
153         audio_state_, &event_log_,
154         std::unique_ptr<voe::ChannelReceiveInterface>(channel_receive_));
155     ret->RegisterWithTransport(&rtp_stream_receiver_controller_);
156     return ret;
157   }
158 
configwebrtc::test::__anon78d7157f0111::ConfigHelper159   AudioReceiveStreamInterface::Config& config() { return stream_config_; }
audio_mixerwebrtc::test::__anon78d7157f0111::ConfigHelper160   rtc::scoped_refptr<MockAudioMixer> audio_mixer() { return audio_mixer_; }
channel_receivewebrtc::test::__anon78d7157f0111::ConfigHelper161   MockChannelReceive* channel_receive() { return channel_receive_; }
162 
SetupMockForGetStatswebrtc::test::__anon78d7157f0111::ConfigHelper163   void SetupMockForGetStats() {
164     using ::testing::DoAll;
165     using ::testing::SetArgPointee;
166 
167     ASSERT_TRUE(channel_receive_);
168     EXPECT_CALL(*channel_receive_, GetRTCPStatistics())
169         .WillOnce(Return(kCallStats));
170     EXPECT_CALL(*channel_receive_, GetDelayEstimate())
171         .WillOnce(Return(kJitterBufferDelay + kPlayoutBufferDelay));
172     EXPECT_CALL(*channel_receive_, GetSpeechOutputLevelFullRange())
173         .WillOnce(Return(kSpeechOutputLevel));
174     EXPECT_CALL(*channel_receive_, GetTotalOutputEnergy())
175         .WillOnce(Return(kTotalOutputEnergy));
176     EXPECT_CALL(*channel_receive_, GetTotalOutputDuration())
177         .WillOnce(Return(kTotalOutputDuration));
178     EXPECT_CALL(*channel_receive_, GetNetworkStatistics(_))
179         .WillOnce(Return(kNetworkStats));
180     EXPECT_CALL(*channel_receive_, GetDecodingCallStatistics())
181         .WillOnce(Return(kAudioDecodeStats));
182     EXPECT_CALL(*channel_receive_, GetReceiveCodec())
183         .WillOnce(Return(kReceiveCodec));
184     EXPECT_CALL(*channel_receive_, GetCurrentEstimatedPlayoutNtpTimestampMs(_))
185         .WillOnce(Return(kPlayoutNtpTimestampMs));
186   }
187 
188  private:
189   PacketRouter packet_router_;
190   MockRtcEventLog event_log_;
191   rtc::scoped_refptr<AudioState> audio_state_;
192   rtc::scoped_refptr<MockAudioMixer> audio_mixer_;
193   AudioReceiveStreamInterface::Config stream_config_;
194   ::testing::StrictMock<MockChannelReceive>* channel_receive_ = nullptr;
195   RtpStreamReceiverController rtp_stream_receiver_controller_;
196   MockTransport rtcp_send_transport_;
197 };
198 
CreateRtcpSenderReport()199 const std::vector<uint8_t> CreateRtcpSenderReport() {
200   std::vector<uint8_t> packet;
201   const size_t kRtcpSrLength = 28;  // In bytes.
202   packet.resize(kRtcpSrLength);
203   packet[0] = 0x80;  // Version 2.
204   packet[1] = 0xc8;  // PT = 200, SR.
205   // Length in number of 32-bit words - 1.
206   ByteWriter<uint16_t>::WriteBigEndian(&packet[2], 6);
207   ByteWriter<uint32_t>::WriteBigEndian(&packet[4], kLocalSsrc);
208   return packet;
209 }
210 }  // namespace
211 
TEST(AudioReceiveStreamTest,ConfigToString)212 TEST(AudioReceiveStreamTest, ConfigToString) {
213   AudioReceiveStreamInterface::Config config;
214   config.rtp.remote_ssrc = kRemoteSsrc;
215   config.rtp.local_ssrc = kLocalSsrc;
216   config.rtp.extensions.push_back(
217       RtpExtension(RtpExtension::kAudioLevelUri, kAudioLevelId));
218   EXPECT_EQ(
219       "{rtp: {remote_ssrc: 1234, local_ssrc: 5678, transport_cc: off, nack: "
220       "{rtp_history_ms: 0}, extensions: [{uri: "
221       "urn:ietf:params:rtp-hdrext:ssrc-audio-level, id: 3}]}, "
222       "rtcp_send_transport: null}",
223       config.ToString());
224 }
225 
TEST(AudioReceiveStreamTest,ConstructDestruct)226 TEST(AudioReceiveStreamTest, ConstructDestruct) {
227   for (bool use_null_audio_processing : {false, true}) {
228     ConfigHelper helper(use_null_audio_processing);
229     auto recv_stream = helper.CreateAudioReceiveStream();
230     recv_stream->UnregisterFromTransport();
231   }
232 }
233 
TEST(AudioReceiveStreamTest,ReceiveRtcpPacket)234 TEST(AudioReceiveStreamTest, ReceiveRtcpPacket) {
235   for (bool use_null_audio_processing : {false, true}) {
236     ConfigHelper helper(use_null_audio_processing);
237     helper.config().rtp.transport_cc = true;
238     auto recv_stream = helper.CreateAudioReceiveStream();
239     std::vector<uint8_t> rtcp_packet = CreateRtcpSenderReport();
240     EXPECT_CALL(*helper.channel_receive(),
241                 ReceivedRTCPPacket(&rtcp_packet[0], rtcp_packet.size()))
242         .WillOnce(Return());
243     recv_stream->DeliverRtcp(&rtcp_packet[0], rtcp_packet.size());
244     recv_stream->UnregisterFromTransport();
245   }
246 }
247 
TEST(AudioReceiveStreamTest,GetStats)248 TEST(AudioReceiveStreamTest, GetStats) {
249   for (bool use_null_audio_processing : {false, true}) {
250     ConfigHelper helper(use_null_audio_processing);
251     auto recv_stream = helper.CreateAudioReceiveStream();
252     helper.SetupMockForGetStats();
253     AudioReceiveStreamInterface::Stats stats =
254         recv_stream->GetStats(/*get_and_clear_legacy_stats=*/true);
255     EXPECT_EQ(kRemoteSsrc, stats.remote_ssrc);
256     EXPECT_EQ(kCallStats.payload_bytes_rcvd, stats.payload_bytes_rcvd);
257     EXPECT_EQ(kCallStats.header_and_padding_bytes_rcvd,
258               stats.header_and_padding_bytes_rcvd);
259     EXPECT_EQ(static_cast<uint32_t>(kCallStats.packetsReceived),
260               stats.packets_rcvd);
261     EXPECT_EQ(kCallStats.cumulativeLost, stats.packets_lost);
262     EXPECT_EQ(kReceiveCodec.second.name, stats.codec_name);
263     EXPECT_EQ(
264         kCallStats.jitterSamples / (kReceiveCodec.second.clockrate_hz / 1000),
265         stats.jitter_ms);
266     EXPECT_EQ(kNetworkStats.currentBufferSize, stats.jitter_buffer_ms);
267     EXPECT_EQ(kNetworkStats.preferredBufferSize,
268               stats.jitter_buffer_preferred_ms);
269     EXPECT_EQ(static_cast<uint32_t>(kJitterBufferDelay + kPlayoutBufferDelay),
270               stats.delay_estimate_ms);
271     EXPECT_EQ(static_cast<int32_t>(kSpeechOutputLevel), stats.audio_level);
272     EXPECT_EQ(kTotalOutputEnergy, stats.total_output_energy);
273     EXPECT_EQ(kNetworkStats.totalSamplesReceived, stats.total_samples_received);
274     EXPECT_EQ(kTotalOutputDuration, stats.total_output_duration);
275     EXPECT_EQ(kNetworkStats.concealedSamples, stats.concealed_samples);
276     EXPECT_EQ(kNetworkStats.concealmentEvents, stats.concealment_events);
277     EXPECT_EQ(static_cast<double>(kNetworkStats.jitterBufferDelayMs) /
278                   static_cast<double>(rtc::kNumMillisecsPerSec),
279               stats.jitter_buffer_delay_seconds);
280     EXPECT_EQ(kNetworkStats.jitterBufferEmittedCount,
281               stats.jitter_buffer_emitted_count);
282     EXPECT_EQ(static_cast<double>(kNetworkStats.jitterBufferTargetDelayMs) /
283                   static_cast<double>(rtc::kNumMillisecsPerSec),
284               stats.jitter_buffer_target_delay_seconds);
285     EXPECT_EQ(static_cast<double>(kNetworkStats.jitterBufferMinimumDelayMs) /
286                   static_cast<double>(rtc::kNumMillisecsPerSec),
287               stats.jitter_buffer_minimum_delay_seconds);
288     EXPECT_EQ(kNetworkStats.insertedSamplesForDeceleration,
289               stats.inserted_samples_for_deceleration);
290     EXPECT_EQ(kNetworkStats.removedSamplesForAcceleration,
291               stats.removed_samples_for_acceleration);
292     EXPECT_EQ(kNetworkStats.fecPacketsReceived, stats.fec_packets_received);
293     EXPECT_EQ(kNetworkStats.fecPacketsDiscarded, stats.fec_packets_discarded);
294     EXPECT_EQ(kNetworkStats.packetsDiscarded, stats.packets_discarded);
295     EXPECT_EQ(Q14ToFloat(kNetworkStats.currentExpandRate), stats.expand_rate);
296     EXPECT_EQ(Q14ToFloat(kNetworkStats.currentSpeechExpandRate),
297               stats.speech_expand_rate);
298     EXPECT_EQ(Q14ToFloat(kNetworkStats.currentSecondaryDecodedRate),
299               stats.secondary_decoded_rate);
300     EXPECT_EQ(Q14ToFloat(kNetworkStats.currentSecondaryDiscardedRate),
301               stats.secondary_discarded_rate);
302     EXPECT_EQ(Q14ToFloat(kNetworkStats.currentAccelerateRate),
303               stats.accelerate_rate);
304     EXPECT_EQ(Q14ToFloat(kNetworkStats.currentPreemptiveRate),
305               stats.preemptive_expand_rate);
306     EXPECT_EQ(kNetworkStats.packetBufferFlushes, stats.jitter_buffer_flushes);
307     EXPECT_EQ(kNetworkStats.delayedPacketOutageSamples,
308               stats.delayed_packet_outage_samples);
309     EXPECT_EQ(static_cast<double>(kNetworkStats.relativePacketArrivalDelayMs) /
310                   static_cast<double>(rtc::kNumMillisecsPerSec),
311               stats.relative_packet_arrival_delay_seconds);
312     EXPECT_EQ(kNetworkStats.interruptionCount, stats.interruption_count);
313     EXPECT_EQ(kNetworkStats.totalInterruptionDurationMs,
314               stats.total_interruption_duration_ms);
315 
316     EXPECT_EQ(kAudioDecodeStats.calls_to_silence_generator,
317               stats.decoding_calls_to_silence_generator);
318     EXPECT_EQ(kAudioDecodeStats.calls_to_neteq, stats.decoding_calls_to_neteq);
319     EXPECT_EQ(kAudioDecodeStats.decoded_normal, stats.decoding_normal);
320     EXPECT_EQ(kAudioDecodeStats.decoded_neteq_plc, stats.decoding_plc);
321     EXPECT_EQ(kAudioDecodeStats.decoded_codec_plc, stats.decoding_codec_plc);
322     EXPECT_EQ(kAudioDecodeStats.decoded_cng, stats.decoding_cng);
323     EXPECT_EQ(kAudioDecodeStats.decoded_plc_cng, stats.decoding_plc_cng);
324     EXPECT_EQ(kAudioDecodeStats.decoded_muted_output,
325               stats.decoding_muted_output);
326     EXPECT_EQ(kCallStats.capture_start_ntp_time_ms_,
327               stats.capture_start_ntp_time_ms);
328     EXPECT_EQ(kPlayoutNtpTimestampMs, stats.estimated_playout_ntp_timestamp_ms);
329     recv_stream->UnregisterFromTransport();
330   }
331 }
332 
TEST(AudioReceiveStreamTest,SetGain)333 TEST(AudioReceiveStreamTest, SetGain) {
334   for (bool use_null_audio_processing : {false, true}) {
335     ConfigHelper helper(use_null_audio_processing);
336     auto recv_stream = helper.CreateAudioReceiveStream();
337     EXPECT_CALL(*helper.channel_receive(),
338                 SetChannelOutputVolumeScaling(FloatEq(0.765f)));
339     recv_stream->SetGain(0.765f);
340     recv_stream->UnregisterFromTransport();
341   }
342 }
343 
TEST(AudioReceiveStreamTest,StreamsShouldBeAddedToMixerOnceOnStart)344 TEST(AudioReceiveStreamTest, StreamsShouldBeAddedToMixerOnceOnStart) {
345   for (bool use_null_audio_processing : {false, true}) {
346     ConfigHelper helper1(use_null_audio_processing);
347     ConfigHelper helper2(helper1.audio_mixer(), use_null_audio_processing);
348     auto recv_stream1 = helper1.CreateAudioReceiveStream();
349     auto recv_stream2 = helper2.CreateAudioReceiveStream();
350 
351     EXPECT_CALL(*helper1.channel_receive(), StartPlayout()).Times(1);
352     EXPECT_CALL(*helper2.channel_receive(), StartPlayout()).Times(1);
353     EXPECT_CALL(*helper1.channel_receive(), StopPlayout()).Times(1);
354     EXPECT_CALL(*helper2.channel_receive(), StopPlayout()).Times(1);
355     EXPECT_CALL(*helper1.audio_mixer(), AddSource(recv_stream1.get()))
356         .WillOnce(Return(true));
357     EXPECT_CALL(*helper1.audio_mixer(), AddSource(recv_stream2.get()))
358         .WillOnce(Return(true));
359     EXPECT_CALL(*helper1.audio_mixer(), RemoveSource(recv_stream1.get()))
360         .Times(1);
361     EXPECT_CALL(*helper1.audio_mixer(), RemoveSource(recv_stream2.get()))
362         .Times(1);
363 
364     recv_stream1->Start();
365     recv_stream2->Start();
366 
367     // One more should not result in any more mixer sources added.
368     recv_stream1->Start();
369 
370     // Stop stream before it is being destructed.
371     recv_stream2->Stop();
372 
373     recv_stream1->UnregisterFromTransport();
374     recv_stream2->UnregisterFromTransport();
375   }
376 }
377 
TEST(AudioReceiveStreamTest,ReconfigureWithUpdatedConfig)378 TEST(AudioReceiveStreamTest, ReconfigureWithUpdatedConfig) {
379   for (bool use_null_audio_processing : {false, true}) {
380     ConfigHelper helper(use_null_audio_processing);
381     auto recv_stream = helper.CreateAudioReceiveStream();
382 
383     auto new_config = helper.config();
384 
385     new_config.rtp.extensions.clear();
386     new_config.rtp.extensions.push_back(
387         RtpExtension(RtpExtension::kAudioLevelUri, kAudioLevelId + 1));
388     new_config.rtp.extensions.push_back(
389         RtpExtension(RtpExtension::kTransportSequenceNumberUri,
390                      kTransportSequenceNumberId + 1));
391 
392     MockChannelReceive& channel_receive = *helper.channel_receive();
393 
394     // TODO(tommi, nisse): This applies new extensions to the internal config,
395     // but there's nothing that actually verifies that the changes take effect.
396     // In fact Call manages the extensions separately in Call::ReceiveRtpConfig
397     // and changing this config value (there seem to be a few copies), doesn't
398     // affect that logic.
399     recv_stream->ReconfigureForTesting(new_config);
400 
401     new_config.decoder_map.emplace(1, SdpAudioFormat("foo", 8000, 1));
402     EXPECT_CALL(channel_receive, SetReceiveCodecs(new_config.decoder_map));
403     recv_stream->SetDecoderMap(new_config.decoder_map);
404 
405     EXPECT_CALL(channel_receive, SetNACKStatus(true, 15 + 1)).Times(1);
406     recv_stream->SetTransportCc(new_config.rtp.transport_cc);
407     recv_stream->SetNackHistory(300 + 20);
408 
409     recv_stream->UnregisterFromTransport();
410   }
411 }
412 
TEST(AudioReceiveStreamTest,ReconfigureWithFrameDecryptor)413 TEST(AudioReceiveStreamTest, ReconfigureWithFrameDecryptor) {
414   for (bool use_null_audio_processing : {false, true}) {
415     ConfigHelper helper(use_null_audio_processing);
416     auto recv_stream = helper.CreateAudioReceiveStream();
417 
418     auto new_config_0 = helper.config();
419     rtc::scoped_refptr<FrameDecryptorInterface> mock_frame_decryptor_0(
420         rtc::make_ref_counted<MockFrameDecryptor>());
421     new_config_0.frame_decryptor = mock_frame_decryptor_0;
422 
423     // TODO(tommi): While this changes the internal config value, it doesn't
424     // actually change what frame_decryptor is used. WebRtcAudioReceiveStream
425     // recreates the whole instance in order to change this value.
426     // So, it's not clear if changing this post initialization needs to be
427     // supported.
428     recv_stream->ReconfigureForTesting(new_config_0);
429 
430     auto new_config_1 = helper.config();
431     rtc::scoped_refptr<FrameDecryptorInterface> mock_frame_decryptor_1(
432         rtc::make_ref_counted<MockFrameDecryptor>());
433     new_config_1.frame_decryptor = mock_frame_decryptor_1;
434     new_config_1.crypto_options.sframe.require_frame_encryption = true;
435     recv_stream->ReconfigureForTesting(new_config_1);
436     recv_stream->UnregisterFromTransport();
437   }
438 }
439 
440 }  // namespace test
441 }  // namespace webrtc
442