Configure VoE NACK through AudioReceiveStream::Config.

webrtc/media/engine/webrtcvoiceengine_unittest.cc

 /*
  *  Copyright (c) 2008 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 89 matching lines @@
     EXPECT_CALL(adm_, AddRef()).WillOnce(Return(0));
     EXPECT_CALL(adm_, Release()).WillOnce(Return(0));
     EXPECT_CALL(adm_, BuiltInAECIsAvailable()).WillOnce(Return(false));
     EXPECT_CALL(adm_, BuiltInAGCIsAvailable()).WillOnce(Return(false));
     EXPECT_CALL(adm_, BuiltInNSIsAvailable()).WillOnce(Return(false));
     engine_.reset(new cricket::WebRtcVoiceEngine(&adm_, nullptr,
                                                  new FakeVoEWrapper(&voe_)));
     send_parameters_.codecs.push_back(kPcmuCodec);
     recv_parameters_.codecs.push_back(kPcmuCodec);
   }
+
   bool SetupChannel() {
     channel_ = engine_->CreateChannel(&call_, cricket::MediaConfig(),
                                       cricket::AudioOptions());
     return (channel_ != nullptr);
   }
+
   bool SetupRecvStream() {
     if (!SetupChannel()) {
       return false;
     }
-    return channel_->AddRecvStream(
-        cricket::StreamParams::CreateLegacy(kSsrc1));
+    return AddRecvStream(kSsrc1);
   }
+
   bool SetupSendStream() {
     if (!SetupChannel()) {
       return false;
     }
     if (!channel_->AddSendStream(cricket::StreamParams::CreateLegacy(kSsrc1))) {
       return false;
     }
     return channel_->SetAudioSend(kSsrc1, true, nullptr, &fake_source_);
   }
+
+  bool AddRecvStream(uint32_t ssrc) {
+    EXPECT_TRUE(channel_);
+    return channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(ssrc));
+  }
+
   void SetupForMultiSendStream() {
     EXPECT_TRUE(SetupSendStream());
     // Remove stream added in Setup.
     EXPECT_TRUE(call_.GetAudioSendStream(kSsrc1));
     EXPECT_TRUE(channel_->RemoveSendStream(kSsrc1));
     // Verify the channel does not exist.
     EXPECT_FALSE(call_.GetAudioSendStream(kSsrc1));
   }
+
   void DeliverPacket(const void* data, int len) {
     rtc::CopyOnWriteBuffer packet(reinterpret_cast<const uint8_t*>(data), len);
     channel_->OnPacketReceived(&packet, rtc::PacketTime());
   }
+
   void TearDown() override {
     delete channel_;
   }
 
   const cricket::FakeAudioSendStream& GetSendStream(uint32_t ssrc) {
     const auto* send_stream = call_.GetAudioSendStream(ssrc);
     EXPECT_TRUE(send_stream);
     return *send_stream;
   }
 
@@ skipping 191 matching lines @@
 
     // Ensure extension is set properly.
     const int id = 2;
     recv_parameters_.extensions.push_back(webrtc::RtpExtension(ext, id));
     EXPECT_TRUE(channel_->SetRecvParameters(recv_parameters_));
     EXPECT_EQ(1u, GetRecvStreamConfig(kSsrc1).rtp.extensions.size());
     EXPECT_EQ(ext, GetRecvStreamConfig(kSsrc1).rtp.extensions[0].uri);
     EXPECT_EQ(id, GetRecvStreamConfig(kSsrc1).rtp.extensions[0].id);
 
     // Ensure extension is set properly on new stream.
-    EXPECT_TRUE(channel_->AddRecvStream(
-        cricket::StreamParams::CreateLegacy(kSsrc2)));
+    EXPECT_TRUE(AddRecvStream(kSsrc2));
     EXPECT_NE(call_.GetAudioReceiveStream(kSsrc1),
               call_.GetAudioReceiveStream(kSsrc2));
     EXPECT_EQ(1u, GetRecvStreamConfig(kSsrc2).rtp.extensions.size());
     EXPECT_EQ(ext, GetRecvStreamConfig(kSsrc2).rtp.extensions[0].uri);
     EXPECT_EQ(id, GetRecvStreamConfig(kSsrc2).rtp.extensions[0].id);
 
     // Ensure all extensions go back off with an empty list.
     recv_parameters_.extensions.clear();
     EXPECT_TRUE(channel_->SetRecvParameters(recv_parameters_));
     EXPECT_EQ(0u, GetRecvStreamConfig(kSsrc1).rtp.extensions.size());
@@ skipping 138 matching lines @@
   EXPECT_EQ(kSsrc1, config.rtp.ssrc);
   EXPECT_EQ("", config.rtp.c_name);
   EXPECT_EQ(0u, config.rtp.extensions.size());
   EXPECT_EQ(static_cast<cricket::WebRtcVoiceMediaChannel*>(channel_),
             config.send_transport);
 }
 
 // Test that we can add a receive stream and that it has the correct defaults.
 TEST_F(WebRtcVoiceEngineTestFake, CreateRecvStream) {
   EXPECT_TRUE(SetupChannel());
-  EXPECT_TRUE(
-      channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(kSsrc1)));
+  EXPECT_TRUE(AddRecvStream(kSsrc1));
   const webrtc::AudioReceiveStream::Config& config =
       GetRecvStreamConfig(kSsrc1);
   EXPECT_EQ(kSsrc1, config.rtp.remote_ssrc);
   EXPECT_EQ(0xFA17FA17, config.rtp.local_ssrc);
   EXPECT_FALSE(config.rtp.transport_cc);
   EXPECT_EQ(0u, config.rtp.extensions.size());
   EXPECT_EQ(static_cast<cricket::WebRtcVoiceMediaChannel*>(channel_),
             config.rtcp_send_transport);
   EXPECT_EQ("", config.sync_group);
 }
@@ skipping 63 matching lines @@
 // Test that we set our inbound codecs properly, including changing PT.
 TEST_F(WebRtcVoiceEngineTestFake, SetRecvCodecs) {
   EXPECT_TRUE(SetupChannel());
   cricket::AudioRecvParameters parameters;
   parameters.codecs.push_back(kIsacCodec);
   parameters.codecs.push_back(kPcmuCodec);
   parameters.codecs.push_back(kTelephoneEventCodec);
   parameters.codecs[0].id = 106;  // collide with existing telephone-event
   parameters.codecs[2].id = 126;
   EXPECT_TRUE(channel_->SetRecvParameters(parameters));
-  EXPECT_TRUE(channel_->AddRecvStream(
-      cricket::StreamParams::CreateLegacy(kSsrc1)));
+  EXPECT_TRUE(AddRecvStream(kSsrc1));
   int channel_num = voe_.GetLastChannel();
   webrtc::CodecInst gcodec;
   rtc::strcpyn(gcodec.plname, arraysize(gcodec.plname), "ISAC");
   gcodec.plfreq = 16000;
   gcodec.channels = 1;
   EXPECT_EQ(0, voe_.GetRecPayloadType(channel_num, gcodec));
   EXPECT_EQ(106, gcodec.pltype);
   EXPECT_STREQ("ISAC", gcodec.plname);
   rtc::strcpyn(gcodec.plname, arraysize(gcodec.plname), "telephone-event");
   gcodec.plfreq = 8000;
@@ skipping 22 matching lines @@
 }
 
 // Test that we can decode OPUS without stereo parameters.
 TEST_F(WebRtcVoiceEngineTestFake, SetRecvCodecsWithOpusNoStereo) {
   EXPECT_TRUE(SetupChannel());
   cricket::AudioRecvParameters parameters;
   parameters.codecs.push_back(kIsacCodec);
   parameters.codecs.push_back(kPcmuCodec);
   parameters.codecs.push_back(kOpusCodec);
   EXPECT_TRUE(channel_->SetRecvParameters(parameters));
-  EXPECT_TRUE(channel_->AddRecvStream(
-      cricket::StreamParams::CreateLegacy(kSsrc1)));
+  EXPECT_TRUE(AddRecvStream(kSsrc1));
   int channel_num = voe_.GetLastChannel();
   webrtc::CodecInst opus;
   cricket::WebRtcVoiceEngine::ToCodecInst(kOpusCodec, &opus);
   // Even without stereo parameters, recv codecs still specify channels = 2.
   EXPECT_EQ(2, opus.channels);
   EXPECT_EQ(111, opus.pltype);
   EXPECT_STREQ("opus", opus.plname);
   opus.pltype = 0;
   EXPECT_EQ(0, voe_.GetRecPayloadType(channel_num, opus));
   EXPECT_EQ(111, opus.pltype);
 }
 
 // Test that we can decode OPUS with stereo = 0.
 TEST_F(WebRtcVoiceEngineTestFake, SetRecvCodecsWithOpus0Stereo) {
   EXPECT_TRUE(SetupChannel());
   cricket::AudioRecvParameters parameters;
   parameters.codecs.push_back(kIsacCodec);
   parameters.codecs.push_back(kPcmuCodec);
   parameters.codecs.push_back(kOpusCodec);
   parameters.codecs[2].params["stereo"] = "0";
   EXPECT_TRUE(channel_->SetRecvParameters(parameters));
-  EXPECT_TRUE(channel_->AddRecvStream(
-      cricket::StreamParams::CreateLegacy(kSsrc1)));
+  EXPECT_TRUE(AddRecvStream(kSsrc1));
   int channel_num2 = voe_.GetLastChannel();
   webrtc::CodecInst opus;
   cricket::WebRtcVoiceEngine::ToCodecInst(kOpusCodec, &opus);
   // Even when stereo is off, recv codecs still specify channels = 2.
   EXPECT_EQ(2, opus.channels);
   EXPECT_EQ(111, opus.pltype);
   EXPECT_STREQ("opus", opus.plname);
   opus.pltype = 0;
   EXPECT_EQ(0, voe_.GetRecPayloadType(channel_num2, opus));
   EXPECT_EQ(111, opus.pltype);
 }
 
 // Test that we can decode OPUS with stereo = 1.
 TEST_F(WebRtcVoiceEngineTestFake, SetRecvCodecsWithOpus1Stereo) {
   EXPECT_TRUE(SetupChannel());
   cricket::AudioRecvParameters parameters;
   parameters.codecs.push_back(kIsacCodec);
   parameters.codecs.push_back(kPcmuCodec);
   parameters.codecs.push_back(kOpusCodec);
   parameters.codecs[2].params["stereo"] = "1";
   EXPECT_TRUE(channel_->SetRecvParameters(parameters));
-  EXPECT_TRUE(channel_->AddRecvStream(
-      cricket::StreamParams::CreateLegacy(kSsrc1)));
+  EXPECT_TRUE(AddRecvStream(kSsrc1));
   int channel_num2 = voe_.GetLastChannel();
   webrtc::CodecInst opus;
   cricket::WebRtcVoiceEngine::ToCodecInst(kOpusCodec, &opus);
   EXPECT_EQ(2, opus.channels);
   EXPECT_EQ(111, opus.pltype);
   EXPECT_STREQ("opus", opus.plname);
   opus.pltype = 0;
   EXPECT_EQ(0, voe_.GetRecPayloadType(channel_num2, opus));
   EXPECT_EQ(111, opus.pltype);
 }
 
 // Test that changes to recv codecs are applied to all streams.
 TEST_F(WebRtcVoiceEngineTestFake, SetRecvCodecsWithMultipleStreams) {
   EXPECT_TRUE(SetupChannel());
   cricket::AudioRecvParameters parameters;
   parameters.codecs.push_back(kIsacCodec);
   parameters.codecs.push_back(kPcmuCodec);
   parameters.codecs.push_back(kTelephoneEventCodec);
   parameters.codecs[0].id = 106;  // collide with existing telephone-event
   parameters.codecs[2].id = 126;
   EXPECT_TRUE(channel_->SetRecvParameters(parameters));
-  EXPECT_TRUE(channel_->AddRecvStream(
-      cricket::StreamParams::CreateLegacy(kSsrc1)));
+  EXPECT_TRUE(AddRecvStream(kSsrc1));
   int channel_num2 = voe_.GetLastChannel();
   webrtc::CodecInst gcodec;
   rtc::strcpyn(gcodec.plname, arraysize(gcodec.plname), "ISAC");
   gcodec.plfreq = 16000;
   gcodec.channels = 1;
   EXPECT_EQ(0, voe_.GetRecPayloadType(channel_num2, gcodec));
   EXPECT_EQ(106, gcodec.pltype);
   EXPECT_STREQ("ISAC", gcodec.plname);
   rtc::strcpyn(gcodec.plname, arraysize(gcodec.plname), "telephone-event");
   gcodec.plfreq = 8000;
@@ skipping 642 matching lines @@
       cricket::FeedbackParam(cricket::kRtcpFbParamNack,
                              cricket::kParamValueEmpty));
   EXPECT_EQ(0, GetSendStreamConfig(kSsrc1).rtp.nack.rtp_history_ms);
   EXPECT_TRUE(channel_->SetSendParameters(parameters));
   EXPECT_EQ(kRtpHistoryMs, GetSendStreamConfig(kSsrc1).rtp.nack.rtp_history_ms);
 }
 
 // Test that we can enable NACK with opus as callee.
 TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecEnableNackAsCallee) {
   EXPECT_TRUE(SetupRecvStream());
-  int channel_num = voe_.GetLastChannel();
   cricket::AudioSendParameters parameters;
   parameters.codecs.push_back(kOpusCodec);
   parameters.codecs[0].AddFeedbackParam(
       cricket::FeedbackParam(cricket::kRtcpFbParamNack,
                              cricket::kParamValueEmpty));
-  EXPECT_FALSE(voe_.GetNACK(channel_num));
+  EXPECT_EQ(0, GetRecvStreamConfig(kSsrc1).rtp.nack.rtp_history_ms);
   EXPECT_TRUE(channel_->SetSendParameters(parameters));
   // NACK should be enabled even with no send stream.
-  EXPECT_TRUE(voe_.GetNACK(channel_num));
+  EXPECT_EQ(kRtpHistoryMs, GetRecvStreamConfig(kSsrc1).rtp.nack.rtp_history_ms);
 
   EXPECT_TRUE(channel_->AddSendStream(
       cricket::StreamParams::CreateLegacy(kSsrc1)));
   EXPECT_EQ(kRtpHistoryMs, GetSendStreamConfig(kSsrc1).rtp.nack.rtp_history_ms);
 }
 
 // Test that we can enable NACK on receive streams.
 TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecEnableNackRecvStreams) {
   EXPECT_TRUE(SetupSendStream());
-  EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(2)));
-  int channel_num2 = voe_.GetLastChannel();
+  EXPECT_TRUE(AddRecvStream(kSsrc2));
   cricket::AudioSendParameters parameters;
   parameters.codecs.push_back(kOpusCodec);
   parameters.codecs[0].AddFeedbackParam(
       cricket::FeedbackParam(cricket::kRtcpFbParamNack,
                              cricket::kParamValueEmpty));
   EXPECT_EQ(0, GetSendStreamConfig(kSsrc1).rtp.nack.rtp_history_ms);
-  EXPECT_FALSE(voe_.GetNACK(channel_num2));
+  EXPECT_EQ(0, GetRecvStreamConfig(kSsrc2).rtp.nack.rtp_history_ms);
   EXPECT_TRUE(channel_->SetSendParameters(parameters));
   EXPECT_EQ(kRtpHistoryMs, GetSendStreamConfig(kSsrc1).rtp.nack.rtp_history_ms);
-  EXPECT_TRUE(voe_.GetNACK(channel_num2));
+  EXPECT_EQ(kRtpHistoryMs, GetRecvStreamConfig(kSsrc2).rtp.nack.rtp_history_ms);
 }
 
 // Test that we can disable NACK.
 TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecDisableNack) {
   EXPECT_TRUE(SetupSendStream());
   cricket::AudioSendParameters parameters;
   parameters.codecs.push_back(kOpusCodec);
   parameters.codecs[0].AddFeedbackParam(
       cricket::FeedbackParam(cricket::kRtcpFbParamNack,
                              cricket::kParamValueEmpty));
   EXPECT_TRUE(channel_->SetSendParameters(parameters));
   EXPECT_EQ(kRtpHistoryMs, GetSendStreamConfig(kSsrc1).rtp.nack.rtp_history_ms);
 
   parameters.codecs.clear();
   parameters.codecs.push_back(kOpusCodec);
   EXPECT_TRUE(channel_->SetSendParameters(parameters));
   EXPECT_EQ(0, GetSendStreamConfig(kSsrc1).rtp.nack.rtp_history_ms);
 }
 
 // Test that we can disable NACK on receive streams.
 TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecDisableNackRecvStreams) {
   EXPECT_TRUE(SetupSendStream());
-  EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(2)));
-  int channel_num2 = voe_.GetLastChannel();
+  EXPECT_TRUE(AddRecvStream(kSsrc2));
   cricket::AudioSendParameters parameters;
   parameters.codecs.push_back(kOpusCodec);
   parameters.codecs[0].AddFeedbackParam(
       cricket::FeedbackParam(cricket::kRtcpFbParamNack,
                              cricket::kParamValueEmpty));
   EXPECT_TRUE(channel_->SetSendParameters(parameters));
   EXPECT_EQ(kRtpHistoryMs, GetSendStreamConfig(kSsrc1).rtp.nack.rtp_history_ms);
-  EXPECT_TRUE(voe_.GetNACK(channel_num2));
+  EXPECT_EQ(kRtpHistoryMs, GetRecvStreamConfig(kSsrc2).rtp.nack.rtp_history_ms);
 
   parameters.codecs.clear();
   parameters.codecs.push_back(kOpusCodec);
   EXPECT_TRUE(channel_->SetSendParameters(parameters));
   EXPECT_EQ(0, GetSendStreamConfig(kSsrc1).rtp.nack.rtp_history_ms);
-  EXPECT_FALSE(voe_.GetNACK(channel_num2));
+  EXPECT_EQ(0, GetRecvStreamConfig(kSsrc2).rtp.nack.rtp_history_ms);
 }
 
 // Test that NACK is enabled on a new receive stream.
 TEST_F(WebRtcVoiceEngineTestFake, AddRecvStreamEnableNack) {
   EXPECT_TRUE(SetupSendStream());
   cricket::AudioSendParameters parameters;
   parameters.codecs.push_back(kIsacCodec);
   parameters.codecs.push_back(kCn16000Codec);
   parameters.codecs[0].AddFeedbackParam(
       cricket::FeedbackParam(cricket::kRtcpFbParamNack,
                              cricket::kParamValueEmpty));
   EXPECT_TRUE(channel_->SetSendParameters(parameters));
   EXPECT_EQ(kRtpHistoryMs, GetSendStreamConfig(kSsrc1).rtp.nack.rtp_history_ms);
 
-  EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(2)));
-  int channel_num = voe_.GetLastChannel();
-  EXPECT_TRUE(voe_.GetNACK(channel_num));
-  EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(3)));
-  channel_num = voe_.GetLastChannel();
-  EXPECT_TRUE(voe_.GetNACK(channel_num));
+  EXPECT_TRUE(AddRecvStream(kSsrc2));
+  EXPECT_EQ(kRtpHistoryMs, GetRecvStreamConfig(kSsrc2).rtp.nack.rtp_history_ms);
+  EXPECT_TRUE(AddRecvStream(kSsrc3));
+  EXPECT_EQ(kRtpHistoryMs, GetRecvStreamConfig(kSsrc3).rtp.nack.rtp_history_ms);
 }
 
 // Test that without useinbandfec, Opus FEC is off.
 TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecNoOpusFec) {
   EXPECT_TRUE(SetupSendStream());
   int channel_num = voe_.GetLastChannel();
   cricket::AudioSendParameters parameters;
   parameters.codecs.push_back(kOpusCodec);
   EXPECT_TRUE(channel_->SetSendParameters(parameters));
   EXPECT_FALSE(voe_.GetCodecFEC(channel_num));
@@ skipping 88 matching lines @@
 TEST_F(WebRtcVoiceEngineTestFake, TransportCcCanBeEnabledAndDisabled) {
   EXPECT_TRUE(SetupChannel());
   cricket::AudioSendParameters send_parameters;
   send_parameters.codecs.push_back(kOpusCodec);
   EXPECT_TRUE(send_parameters.codecs[0].feedback_params.params().empty());
   EXPECT_TRUE(channel_->SetSendParameters(send_parameters));
 
   cricket::AudioRecvParameters recv_parameters;
   recv_parameters.codecs.push_back(kIsacCodec);
   EXPECT_TRUE(channel_->SetRecvParameters(recv_parameters));
-  EXPECT_TRUE(
-      channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(kSsrc1)));
+  EXPECT_TRUE(AddRecvStream(kSsrc1));
   ASSERT_TRUE(call_.GetAudioReceiveStream(kSsrc1) != nullptr);
   EXPECT_FALSE(
       call_.GetAudioReceiveStream(kSsrc1)->GetConfig().rtp.transport_cc);
 
   send_parameters.codecs = engine_->send_codecs();
   EXPECT_TRUE(channel_->SetSendParameters(send_parameters));
   ASSERT_TRUE(call_.GetAudioReceiveStream(kSsrc1) != nullptr);
   EXPECT_TRUE(
       call_.GetAudioReceiveStream(kSsrc1)->GetConfig().rtp.transport_cc);
 }
@@ skipping 684 matching lines @@
   SetupForMultiSendStream();
 
   // Create send streams.
   for (uint32_t ssrc : kSsrcs4) {
     EXPECT_TRUE(channel_->AddSendStream(
         cricket::StreamParams::CreateLegacy(ssrc)));
   }
 
   // Create a receive stream to check that none of the send streams end up in
   // the receive stream stats.
-  EXPECT_TRUE(channel_->AddRecvStream(
-      cricket::StreamParams::CreateLegacy(kSsrc2)));
+  EXPECT_TRUE(AddRecvStream(kSsrc2));
 
   // We need send codec to be set to get all stats.
   EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
   EXPECT_TRUE(channel_->SetRecvParameters(recv_parameters_));
   SetAudioSendStreamStats();
 
   // Check stats for the added streams.
   {
     cricket::VoiceMediaInfo info;
     EXPECT_EQ(true, channel_->GetStats(&info));
@@ skipping 36 matching lines @@
 TEST_F(WebRtcVoiceEngineTestFake, PlayoutWithMultipleStreams) {
   EXPECT_TRUE(SetupSendStream());
   int channel_num1 = voe_.GetLastChannel();
 
   // Start playout without a receive stream.
   EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
   EXPECT_TRUE(channel_->SetPlayout(true));
   EXPECT_FALSE(voe_.GetPlayout(channel_num1));
 
   // Adding another stream should enable playout on the new stream only.
-  EXPECT_TRUE(
-      channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(kSsrc2)));
+  EXPECT_TRUE(AddRecvStream(kSsrc2));
   int channel_num2 = voe_.GetLastChannel();
   SetSend(channel_, true);
   EXPECT_TRUE(GetSendStream(kSsrc1).IsSending());
 
   // Make sure only the new stream is played out.
   EXPECT_FALSE(voe_.GetPlayout(channel_num1));
   EXPECT_TRUE(voe_.GetPlayout(channel_num2));
 
   // Adding yet another stream should have stream 2 and 3 enabled for playout.
-  EXPECT_TRUE(
-      channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(kSsrc3)));
+  EXPECT_TRUE(AddRecvStream(kSsrc3));
   int channel_num3 = voe_.GetLastChannel();
   EXPECT_FALSE(voe_.GetPlayout(channel_num1));
   EXPECT_TRUE(voe_.GetPlayout(channel_num2));
   EXPECT_TRUE(voe_.GetPlayout(channel_num3));
 
   // Stop sending.
   SetSend(channel_, false);
   EXPECT_FALSE(GetSendStream(kSsrc1).IsSending());
 
   // Stop playout.
@@ skipping 75 matching lines @@
 TEST_F(WebRtcVoiceEngineTestFake, SetSendSsrc) {
   EXPECT_TRUE(SetupSendStream());
   EXPECT_TRUE(call_.GetAudioSendStream(kSsrc1));
 }
 
 TEST_F(WebRtcVoiceEngineTestFake, GetStats) {
   // Setup. We need send codec to be set to get all stats.
   EXPECT_TRUE(SetupSendStream());
   // SetupSendStream adds a send stream with kSsrc1, so the receive
   // stream has to use a different SSRC.
-  EXPECT_TRUE(channel_->AddRecvStream(
-      cricket::StreamParams::CreateLegacy(kSsrc2)));
+  EXPECT_TRUE(AddRecvStream(kSsrc2));
   EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
   EXPECT_TRUE(channel_->SetRecvParameters(recv_parameters_));
   SetAudioSendStreamStats();
 
   // Check stats for the added streams.
   {
     cricket::VoiceMediaInfo info;
     EXPECT_EQ(true, channel_->GetStats(&info));
 
     // We have added one send stream. We should see the stats we've set.
@@ skipping 32 matching lines @@
     EXPECT_EQ(1u, info.receivers.size());
     VerifyVoiceReceiverInfo(info.receivers[0]);
   }
 }
 
 // Test that we can set the outgoing SSRC properly with multiple streams.
 // SSRC is set in SetupSendStream() by calling AddSendStream.
 TEST_F(WebRtcVoiceEngineTestFake, SetSendSsrcWithMultipleStreams) {
   EXPECT_TRUE(SetupSendStream());
   EXPECT_TRUE(call_.GetAudioSendStream(kSsrc1));
-  EXPECT_TRUE(channel_->AddRecvStream(
-      cricket::StreamParams::CreateLegacy(kSsrc2)));
+  EXPECT_TRUE(AddRecvStream(kSsrc2));
   EXPECT_EQ(kSsrc1, GetRecvStreamConfig(kSsrc2).rtp.local_ssrc);
 }
 
 // Test that the local SSRC is the same on sending and receiving channels if the
 // receive channel is created before the send channel.
 TEST_F(WebRtcVoiceEngineTestFake, SetSendSsrcAfterCreatingReceiveChannel) {
   EXPECT_TRUE(SetupChannel());
-  EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(1)));
+  EXPECT_TRUE(AddRecvStream(1));
   int receive_channel_num = voe_.GetLastChannel();
   EXPECT_TRUE(channel_->AddSendStream(
       cricket::StreamParams::CreateLegacy(1234)));
 
   EXPECT_TRUE(call_.GetAudioSendStream(1234));
   EXPECT_EQ(1234U, voe_.GetLocalSSRC(receive_channel_num));
 }
 
 // Test that we can properly receive packets.
 TEST_F(WebRtcVoiceEngineTestFake, Recv) {
   EXPECT_TRUE(SetupChannel());
-  EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(1)));
+  EXPECT_TRUE(AddRecvStream(1));
   DeliverPacket(kPcmuFrame, sizeof(kPcmuFrame));
 
   EXPECT_TRUE(GetRecvStream(1).VerifyLastPacket(kPcmuFrame,
                                                 sizeof(kPcmuFrame)));
 }
 
 // Test that we can properly receive packets on multiple streams.
 TEST_F(WebRtcVoiceEngineTestFake, RecvWithMultipleStreams) {
   EXPECT_TRUE(SetupChannel());
   const uint32_t ssrc1 = 1;
   const uint32_t ssrc2 = 2;
   const uint32_t ssrc3 = 3;
-  EXPECT_TRUE(channel_->AddRecvStream(
-      cricket::StreamParams::CreateLegacy(ssrc1)));
-  EXPECT_TRUE(channel_->AddRecvStream(
-      cricket::StreamParams::CreateLegacy(ssrc2)));
-  EXPECT_TRUE(channel_->AddRecvStream(
-      cricket::StreamParams::CreateLegacy(ssrc3)));
+  EXPECT_TRUE(AddRecvStream(ssrc1));
+  EXPECT_TRUE(AddRecvStream(ssrc2));
+  EXPECT_TRUE(AddRecvStream(ssrc3));
   // Create packets with the right SSRCs.
   unsigned char packets[4][sizeof(kPcmuFrame)];
   for (size_t i = 0; i < arraysize(packets); ++i) {
     memcpy(packets[i], kPcmuFrame, sizeof(kPcmuFrame));
     rtc::SetBE32(packets[i] + 8, static_cast<uint32_t>(i));
   }
 
   const cricket::FakeAudioReceiveStream& s1 = GetRecvStream(ssrc1);
   const cricket::FakeAudioReceiveStream& s2 = GetRecvStream(ssrc2);
   const cricket::FakeAudioReceiveStream& s3 = GetRecvStream(ssrc3);
@@ skipping 74 matching lines @@
 // Test that a default channel is created even after a signalled stream has been
 // added, and that this stream will get any packets for unknown SSRCs.
 TEST_F(WebRtcVoiceEngineTestFake, RecvUnsignalledAfterSignalled) {
   EXPECT_TRUE(SetupChannel());
   unsigned char packet[sizeof(kPcmuFrame)];
   memcpy(packet, kPcmuFrame, sizeof(kPcmuFrame));
 
   // Add a known stream, send packet and verify we got it.
   const uint32_t signaled_ssrc = 1;
   rtc::SetBE32(&packet[8], signaled_ssrc);
-  EXPECT_TRUE(channel_->AddRecvStream(
-      cricket::StreamParams::CreateLegacy(signaled_ssrc)));
+  EXPECT_TRUE(AddRecvStream(signaled_ssrc));
   DeliverPacket(packet, sizeof(packet));
   EXPECT_TRUE(GetRecvStream(signaled_ssrc).VerifyLastPacket(
       packet, sizeof(packet)));
 
   // Note that the first unknown SSRC cannot be 0, because we only support
   // creating receive streams for SSRC!=0.
   const uint32_t unsignaled_ssrc = 7011;
   rtc::SetBE32(&packet[8], unsignaled_ssrc);
   DeliverPacket(packet, sizeof(packet));
   EXPECT_TRUE(GetRecvStream(unsignaled_ssrc).VerifyLastPacket(
       packet, sizeof(packet)));
   EXPECT_EQ(2, call_.GetAudioReceiveStreams().size());
 
   DeliverPacket(packet, sizeof(packet));
   EXPECT_EQ(2, GetRecvStream(unsignaled_ssrc).received_packets());
 
   rtc::SetBE32(&packet[8], signaled_ssrc);
   DeliverPacket(packet, sizeof(packet));
   EXPECT_EQ(2, GetRecvStream(signaled_ssrc).received_packets());
   EXPECT_EQ(2, call_.GetAudioReceiveStreams().size());
 }
 
 // Test that we properly handle failures to add a receive stream.
 TEST_F(WebRtcVoiceEngineTestFake, AddRecvStreamFail) {
   EXPECT_TRUE(SetupChannel());
   voe_.set_fail_create_channel(true);
-  EXPECT_FALSE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(2)));
+  EXPECT_FALSE(AddRecvStream(2));
 }
 
 // Test that we properly handle failures to add a send stream.
 TEST_F(WebRtcVoiceEngineTestFake, AddSendStreamFail) {
   EXPECT_TRUE(SetupChannel());
   voe_.set_fail_create_channel(true);
   EXPECT_FALSE(channel_->AddSendStream(cricket::StreamParams::CreateLegacy(2)));
 }
 
 // Test that AddRecvStream creates new stream.
 TEST_F(WebRtcVoiceEngineTestFake, AddRecvStream) {
   EXPECT_TRUE(SetupRecvStream());
   int channel_num = voe_.GetLastChannel();
-  EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(1)));
+  EXPECT_TRUE(AddRecvStream(1));
   EXPECT_NE(channel_num, voe_.GetLastChannel());
 }
 
 // Test that after adding a recv stream, we do not decode more codecs than
 // those previously passed into SetRecvCodecs.
 TEST_F(WebRtcVoiceEngineTestFake, AddRecvStreamUnsupportedCodec) {
   EXPECT_TRUE(SetupSendStream());
   cricket::AudioRecvParameters parameters;
   parameters.codecs.push_back(kIsacCodec);
   parameters.codecs.push_back(kPcmuCodec);
   EXPECT_TRUE(channel_->SetRecvParameters(parameters));
-  EXPECT_TRUE(channel_->AddRecvStream(
-      cricket::StreamParams::CreateLegacy(kSsrc1)));
+  EXPECT_TRUE(AddRecvStream(kSsrc1));
   int channel_num2 = voe_.GetLastChannel();
   webrtc::CodecInst gcodec;
   rtc::strcpyn(gcodec.plname, arraysize(gcodec.plname), "opus");
   gcodec.plfreq = 48000;
   gcodec.channels = 2;
   EXPECT_EQ(-1, voe_.GetRecPayloadType(channel_num2, gcodec));
 }
 
 // Test that we properly clean up any streams that were added, even if
 // not explicitly removed.
 TEST_F(WebRtcVoiceEngineTestFake, StreamCleanup) {
   EXPECT_TRUE(SetupSendStream());
   EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
-  EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(1)));
-  EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(2)));
+  EXPECT_TRUE(AddRecvStream(1));
+  EXPECT_TRUE(AddRecvStream(2));
   EXPECT_EQ(3, voe_.GetNumChannels());  // default channel + 2 added
   delete channel_;
   channel_ = NULL;
   EXPECT_EQ(0, voe_.GetNumChannels());
 }
 
 TEST_F(WebRtcVoiceEngineTestFake, TestAddRecvStreamFailWithZeroSsrc) {
   EXPECT_TRUE(SetupSendStream());
-  EXPECT_FALSE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(0)));
+  EXPECT_FALSE(AddRecvStream(0));
 }
 
 TEST_F(WebRtcVoiceEngineTestFake, TestNoLeakingWhenAddRecvStreamFail) {
   EXPECT_TRUE(SetupChannel());
-  EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(1)));
+  EXPECT_TRUE(AddRecvStream(1));
   // Manually delete channel to simulate a failure.
   int channel = voe_.GetLastChannel();
   EXPECT_EQ(0, voe_.DeleteChannel(channel));
   // Add recv stream 2 should work.
-  EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(2)));
+  EXPECT_TRUE(AddRecvStream(2));
   int new_channel = voe_.GetLastChannel();
   EXPECT_NE(channel, new_channel);
   // The last created channel is deleted too.
   EXPECT_EQ(0, voe_.DeleteChannel(new_channel));
 }
 
 // Test the InsertDtmf on default send stream as caller.
 TEST_F(WebRtcVoiceEngineTestFake, InsertDtmfOnDefaultSendStreamAsCaller) {
   TestInsertDtmf(0, true);
 }
@@ skipping 10 matching lines @@
 
 // Test the InsertDtmf on specified send stream as callee.
 TEST_F(WebRtcVoiceEngineTestFake, InsertDtmfOnSendStreamAsCallee) {
   TestInsertDtmf(kSsrc1, false);
 }
 
 TEST_F(WebRtcVoiceEngineTestFake, TestSetPlayoutError) {
   EXPECT_TRUE(SetupSendStream());
   EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
   SetSend(channel_, true);
-  EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(2)));
-  EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(3)));
+  EXPECT_TRUE(AddRecvStream(2));
+  EXPECT_TRUE(AddRecvStream(3));
   EXPECT_TRUE(channel_->SetPlayout(true));
   voe_.set_playout_fail_channel(voe_.GetLastChannel() - 1);
   EXPECT_TRUE(channel_->SetPlayout(false));
   EXPECT_FALSE(channel_->SetPlayout(true));
 }
 
 TEST_F(WebRtcVoiceEngineTestFake, SetAudioOptions) {
   EXPECT_TRUE(SetupSendStream());
   EXPECT_CALL(adm_,
               BuiltInAECIsAvailable()).Times(9).WillRepeatedly(Return(false));
@@ skipping 332 matching lines @@
   EXPECT_EQ(rtc::DSCP_DEFAULT, network_interface.dscp());
 
   channel->SetInterface(nullptr);
 }
 
 TEST_F(WebRtcVoiceEngineTestFake, TestGetReceiveChannelId) {
   EXPECT_TRUE(SetupChannel());
   cricket::WebRtcVoiceMediaChannel* media_channel =
         static_cast<cricket::WebRtcVoiceMediaChannel*>(channel_);
   EXPECT_EQ(-1, media_channel->GetReceiveChannelId(0));
-  EXPECT_TRUE(channel_->AddRecvStream(
-      cricket::StreamParams::CreateLegacy(kSsrc1)));
+  EXPECT_TRUE(AddRecvStream(kSsrc1));
   int channel_id = voe_.GetLastChannel();
   EXPECT_EQ(channel_id, media_channel->GetReceiveChannelId(kSsrc1));
   EXPECT_EQ(-1, media_channel->GetReceiveChannelId(kSsrc2));
-  EXPECT_TRUE(channel_->AddRecvStream(
-      cricket::StreamParams::CreateLegacy(kSsrc2)));
+  EXPECT_TRUE(AddRecvStream(kSsrc2));
   int channel_id2 = voe_.GetLastChannel();
   EXPECT_EQ(channel_id2, media_channel->GetReceiveChannelId(kSsrc2));
 }
 
 TEST_F(WebRtcVoiceEngineTestFake, TestGetSendChannelId) {
   EXPECT_TRUE(SetupChannel());
   cricket::WebRtcVoiceMediaChannel* media_channel =
         static_cast<cricket::WebRtcVoiceMediaChannel*>(channel_);
   EXPECT_EQ(-1, media_channel->GetSendChannelId(0));
   EXPECT_TRUE(channel_->AddSendStream(
@@ skipping 137 matching lines @@
   channel_->OnRtcpReceived(&kRtcpPacket, rtc::PacketTime());
   EXPECT_EQ(2, s->received_packets());
 }
 
 // All receive channels should be associated with the first send channel,
 // since they do not send RTCP SR.
 TEST_F(WebRtcVoiceEngineTestFake, AssociateFirstSendChannel) {
   EXPECT_TRUE(SetupSendStream());
   EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
   int default_channel = voe_.GetLastChannel();
-  EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(1)));
+  EXPECT_TRUE(AddRecvStream(1));
   int recv_ch = voe_.GetLastChannel();
   EXPECT_NE(recv_ch, default_channel);
   EXPECT_EQ(voe_.GetAssociateSendChannel(recv_ch), default_channel);
   EXPECT_TRUE(channel_->AddSendStream(cricket::StreamParams::CreateLegacy(2)));
   EXPECT_EQ(voe_.GetAssociateSendChannel(recv_ch), default_channel);
-  EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(3)));
+  EXPECT_TRUE(AddRecvStream(3));
   recv_ch = voe_.GetLastChannel();
   EXPECT_NE(recv_ch, default_channel);
   EXPECT_EQ(voe_.GetAssociateSendChannel(recv_ch), default_channel);
 }
 
 TEST_F(WebRtcVoiceEngineTestFake, AssociateChannelResetUponDeleteChannnel) {
   EXPECT_TRUE(SetupSendStream());
   EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
 
-  EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(1)));
+  EXPECT_TRUE(AddRecvStream(1));
   int recv_ch = voe_.GetLastChannel();
 
   EXPECT_TRUE(channel_->AddSendStream(cricket::StreamParams::CreateLegacy(2)));
   int send_ch = voe_.GetLastChannel();
 
   // Manually associate |recv_ch| to |send_ch|. This test is to verify a
   // deleting logic, i.e., deleting |send_ch| will reset the associate send
   // channel of |recv_ch|.This is not a common case, since， normally, only the
   // default channel can be associated. However, the default is not deletable.
   // So we force the |recv_ch| to associate with a non-default channel.
   EXPECT_EQ(0, voe_.AssociateSendChannel(recv_ch, send_ch));
   EXPECT_EQ(voe_.GetAssociateSendChannel(recv_ch), send_ch);
 
   EXPECT_TRUE(channel_->RemoveSendStream(2));
   EXPECT_EQ(voe_.GetAssociateSendChannel(recv_ch), -1);
 }
 
 TEST_F(WebRtcVoiceEngineTestFake, SetRawAudioSink) {
   EXPECT_TRUE(SetupChannel());
   std::unique_ptr<FakeAudioSink> fake_sink_1(new FakeAudioSink());
   std::unique_ptr<FakeAudioSink> fake_sink_2(new FakeAudioSink());
 
   // Setting the sink before a recv stream exists should do nothing.
   channel_->SetRawAudioSink(kSsrc1, std::move(fake_sink_1));
-  EXPECT_TRUE(
-      channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(kSsrc1)));
+  EXPECT_TRUE(AddRecvStream(kSsrc1));
   EXPECT_EQ(nullptr, GetRecvStream(kSsrc1).sink());
 
   // Now try actually setting the sink.
   channel_->SetRawAudioSink(kSsrc1, std::move(fake_sink_2));
   EXPECT_NE(nullptr, GetRecvStream(kSsrc1).sink());
 
   // Now try resetting it.
   channel_->SetRawAudioSink(kSsrc1, nullptr);
   EXPECT_EQ(nullptr, GetRecvStream(kSsrc1).sink());
 }
@@ skipping 207 matching lines @@
   cricket::WebRtcVoiceEngine engine(
       nullptr, webrtc::CreateBuiltinAudioDecoderFactory());
   std::unique_ptr<webrtc::Call> call(
       webrtc::Call::Create(webrtc::Call::Config()));
   cricket::WebRtcVoiceMediaChannel channel(&engine, cricket::MediaConfig(),
                                            cricket::AudioOptions(), call.get());
   cricket::AudioRecvParameters parameters;
   parameters.codecs = engine.recv_codecs();
   EXPECT_TRUE(channel.SetRecvParameters(parameters));
 }