| /* | 
 |  *  Copyright 2017 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. | 
 |  */ | 
 |  | 
 | #include <memory> | 
 | #include <utility>  // For std::pair, std::move. | 
 |  | 
 | #include "api/audio_codecs/builtin_audio_decoder_factory.h" | 
 | #include "api/audio_codecs/builtin_audio_encoder_factory.h" | 
 | #include "api/ortc/ortcfactoryinterface.h" | 
 | #include "ortc/testrtpparameters.h" | 
 | #include "p2p/base/udptransport.h" | 
 | #include "pc/test/fakeaudiocapturemodule.h" | 
 | #include "pc/test/fakeperiodicvideocapturer.h" | 
 | #include "pc/test/fakevideotrackrenderer.h" | 
 | #include "rtc_base/criticalsection.h" | 
 | #include "rtc_base/fakenetwork.h" | 
 | #include "rtc_base/gunit.h" | 
 | #include "rtc_base/virtualsocketserver.h" | 
 |  | 
 | namespace { | 
 |  | 
 | const int kDefaultTimeout = 10000;    // 10 seconds. | 
 | const int kReceivingDuration = 1000;  // 1 second. | 
 | // Default number of audio/video frames to wait for before considering a test a | 
 | // success. | 
 | const int kDefaultNumFrames = 3; | 
 | const rtc::IPAddress kIPv4LocalHostAddress = | 
 |     rtc::IPAddress(0x7F000001);  // 127.0.0.1 | 
 |  | 
 | static const char kTestKeyParams1[] = | 
 |     "inline:WVNfX19zZW1jdGwgKskgewkyMjA7fQp9CnVubGVz"; | 
 | static const char kTestKeyParams2[] = | 
 |     "inline:PS1uQCVeeCFCanVmcjkpaywjNWhcYD0mXXtxaVBR"; | 
 | static const char kTestKeyParams3[] = | 
 |     "inline:WVNfX19zZW1jdGwgKskgewkyMjA7fQp9CnVubGVa"; | 
 | static const char kTestKeyParams4[] = | 
 |     "inline:WVNfX19zZW1jdGwgKskgewkyMjA7fQp9CnVubGVb"; | 
 | static const cricket::CryptoParams kTestCryptoParams1(1, | 
 |                                                       "AES_CM_128_HMAC_SHA1_80", | 
 |                                                       kTestKeyParams1, | 
 |                                                       ""); | 
 | static const cricket::CryptoParams kTestCryptoParams2(1, | 
 |                                                       "AES_CM_128_HMAC_SHA1_80", | 
 |                                                       kTestKeyParams2, | 
 |                                                       ""); | 
 | static const cricket::CryptoParams kTestCryptoParams3(1, | 
 |                                                       "AES_CM_128_HMAC_SHA1_80", | 
 |                                                       kTestKeyParams3, | 
 |                                                       ""); | 
 | static const cricket::CryptoParams kTestCryptoParams4(1, | 
 |                                                       "AES_CM_128_HMAC_SHA1_80", | 
 |                                                       kTestKeyParams4, | 
 |                                                       ""); | 
 | }  // namespace | 
 |  | 
 | namespace webrtc { | 
 |  | 
 | // Used to test that things work end-to-end when using the default | 
 | // implementations of threads/etc. provided by OrtcFactory, with the exception | 
 | // of using a virtual network. | 
 | // | 
 | // By default, the virtual network manager doesn't enumerate any networks, but | 
 | // sockets can still be created in this state. | 
 | class OrtcFactoryIntegrationTest : public testing::Test { | 
 |  public: | 
 |   OrtcFactoryIntegrationTest() | 
 |       : network_thread_(&virtual_socket_server_), | 
 |         fake_audio_capture_module1_(FakeAudioCaptureModule::Create()), | 
 |         fake_audio_capture_module2_(FakeAudioCaptureModule::Create()) { | 
 |     // Sockets are bound to the ANY address, so this is needed to tell the | 
 |     // virtual network which address to use in this case. | 
 |     virtual_socket_server_.SetDefaultRoute(kIPv4LocalHostAddress); | 
 |     network_thread_.Start(); | 
 |     // Need to create after network thread is started. | 
 |     ortc_factory1_ = | 
 |         OrtcFactoryInterface::Create( | 
 |             &network_thread_, nullptr, &fake_network_manager_, nullptr, | 
 |             fake_audio_capture_module1_, CreateBuiltinAudioEncoderFactory(), | 
 |             CreateBuiltinAudioDecoderFactory()) | 
 |             .MoveValue(); | 
 |     ortc_factory2_ = | 
 |         OrtcFactoryInterface::Create( | 
 |             &network_thread_, nullptr, &fake_network_manager_, nullptr, | 
 |             fake_audio_capture_module2_, CreateBuiltinAudioEncoderFactory(), | 
 |             CreateBuiltinAudioDecoderFactory()) | 
 |             .MoveValue(); | 
 |   } | 
 |  | 
 |  protected: | 
 |   typedef std::pair<std::unique_ptr<UdpTransportInterface>, | 
 |                     std::unique_ptr<UdpTransportInterface>> | 
 |       UdpTransportPair; | 
 |   typedef std::pair<std::unique_ptr<RtpTransportInterface>, | 
 |                     std::unique_ptr<RtpTransportInterface>> | 
 |       RtpTransportPair; | 
 |   typedef std::pair<std::unique_ptr<SrtpTransportInterface>, | 
 |                     std::unique_ptr<SrtpTransportInterface>> | 
 |       SrtpTransportPair; | 
 |   typedef std::pair<std::unique_ptr<RtpTransportControllerInterface>, | 
 |                     std::unique_ptr<RtpTransportControllerInterface>> | 
 |       RtpTransportControllerPair; | 
 |  | 
 |   // Helper function that creates one UDP transport each for |ortc_factory1_| | 
 |   // and |ortc_factory2_|, and connects them. | 
 |   UdpTransportPair CreateAndConnectUdpTransportPair() { | 
 |     auto transport1 = ortc_factory1_->CreateUdpTransport(AF_INET).MoveValue(); | 
 |     auto transport2 = ortc_factory2_->CreateUdpTransport(AF_INET).MoveValue(); | 
 |     transport1->SetRemoteAddress( | 
 |         rtc::SocketAddress(virtual_socket_server_.GetDefaultRoute(AF_INET), | 
 |                            transport2->GetLocalAddress().port())); | 
 |     transport2->SetRemoteAddress( | 
 |         rtc::SocketAddress(virtual_socket_server_.GetDefaultRoute(AF_INET), | 
 |                            transport1->GetLocalAddress().port())); | 
 |     return {std::move(transport1), std::move(transport2)}; | 
 |   } | 
 |  | 
 |   // Creates one transport controller each for |ortc_factory1_| and | 
 |   // |ortc_factory2_|. | 
 |   RtpTransportControllerPair CreateRtpTransportControllerPair() { | 
 |     return {ortc_factory1_->CreateRtpTransportController().MoveValue(), | 
 |             ortc_factory2_->CreateRtpTransportController().MoveValue()}; | 
 |   } | 
 |  | 
 |   // Helper function that creates a pair of RtpTransports between | 
 |   // |ortc_factory1_| and |ortc_factory2_|. Expected to be called with the | 
 |   // result of CreateAndConnectUdpTransportPair. |rtcp_udp_transports| can be | 
 |   // empty if RTCP muxing is used. |transport_controllers| can be empty if | 
 |   // these transports are being created using a default transport controller. | 
 |   RtpTransportPair CreateRtpTransportPair( | 
 |       const RtpTransportParameters& parameters, | 
 |       const UdpTransportPair& rtp_udp_transports, | 
 |       const UdpTransportPair& rtcp_udp_transports, | 
 |       const RtpTransportControllerPair& transport_controllers) { | 
 |     auto transport_result1 = ortc_factory1_->CreateRtpTransport( | 
 |         parameters, rtp_udp_transports.first.get(), | 
 |         rtcp_udp_transports.first.get(), transport_controllers.first.get()); | 
 |     auto transport_result2 = ortc_factory2_->CreateRtpTransport( | 
 |         parameters, rtp_udp_transports.second.get(), | 
 |         rtcp_udp_transports.second.get(), transport_controllers.second.get()); | 
 |     return {transport_result1.MoveValue(), transport_result2.MoveValue()}; | 
 |   } | 
 |  | 
 |   SrtpTransportPair CreateSrtpTransportPair( | 
 |       const RtpTransportParameters& parameters, | 
 |       const UdpTransportPair& rtp_udp_transports, | 
 |       const UdpTransportPair& rtcp_udp_transports, | 
 |       const RtpTransportControllerPair& transport_controllers) { | 
 |     auto transport_result1 = ortc_factory1_->CreateSrtpTransport( | 
 |         parameters, rtp_udp_transports.first.get(), | 
 |         rtcp_udp_transports.first.get(), transport_controllers.first.get()); | 
 |     auto transport_result2 = ortc_factory2_->CreateSrtpTransport( | 
 |         parameters, rtp_udp_transports.second.get(), | 
 |         rtcp_udp_transports.second.get(), transport_controllers.second.get()); | 
 |     return {transport_result1.MoveValue(), transport_result2.MoveValue()}; | 
 |   } | 
 |  | 
 |   // For convenience when |rtcp_udp_transports| and |transport_controllers| | 
 |   // aren't needed. | 
 |   RtpTransportPair CreateRtpTransportPair( | 
 |       const RtpTransportParameters& parameters, | 
 |       const UdpTransportPair& rtp_udp_transports) { | 
 |     return CreateRtpTransportPair(parameters, rtp_udp_transports, | 
 |                                   UdpTransportPair(), | 
 |                                   RtpTransportControllerPair()); | 
 |   } | 
 |  | 
 |   SrtpTransportPair CreateSrtpTransportPairAndSetKeys( | 
 |       const RtpTransportParameters& parameters, | 
 |       const UdpTransportPair& rtp_udp_transports) { | 
 |     SrtpTransportPair srtp_transports = CreateSrtpTransportPair( | 
 |         parameters, rtp_udp_transports, UdpTransportPair(), | 
 |         RtpTransportControllerPair()); | 
 |     EXPECT_TRUE(srtp_transports.first->SetSrtpSendKey(kTestCryptoParams1).ok()); | 
 |     EXPECT_TRUE( | 
 |         srtp_transports.first->SetSrtpReceiveKey(kTestCryptoParams2).ok()); | 
 |     EXPECT_TRUE( | 
 |         srtp_transports.second->SetSrtpSendKey(kTestCryptoParams2).ok()); | 
 |     EXPECT_TRUE( | 
 |         srtp_transports.second->SetSrtpReceiveKey(kTestCryptoParams1).ok()); | 
 |     return srtp_transports; | 
 |   } | 
 |  | 
 |   SrtpTransportPair CreateSrtpTransportPairAndSetMismatchingKeys( | 
 |       const RtpTransportParameters& parameters, | 
 |       const UdpTransportPair& rtp_udp_transports) { | 
 |     SrtpTransportPair srtp_transports = CreateSrtpTransportPair( | 
 |         parameters, rtp_udp_transports, UdpTransportPair(), | 
 |         RtpTransportControllerPair()); | 
 |     EXPECT_TRUE(srtp_transports.first->SetSrtpSendKey(kTestCryptoParams1).ok()); | 
 |     EXPECT_TRUE( | 
 |         srtp_transports.first->SetSrtpReceiveKey(kTestCryptoParams2).ok()); | 
 |     EXPECT_TRUE( | 
 |         srtp_transports.second->SetSrtpSendKey(kTestCryptoParams1).ok()); | 
 |     EXPECT_TRUE( | 
 |         srtp_transports.second->SetSrtpReceiveKey(kTestCryptoParams2).ok()); | 
 |     return srtp_transports; | 
 |   } | 
 |  | 
 |   // Ends up using fake audio capture module, which was passed into OrtcFactory | 
 |   // on creation. | 
 |   rtc::scoped_refptr<webrtc::AudioTrackInterface> CreateLocalAudioTrack( | 
 |       const std::string& id, | 
 |       OrtcFactoryInterface* ortc_factory) { | 
 |     // Disable echo cancellation to make test more efficient. | 
 |     cricket::AudioOptions options; | 
 |     options.echo_cancellation.emplace(true); | 
 |     rtc::scoped_refptr<webrtc::AudioSourceInterface> source = | 
 |         ortc_factory->CreateAudioSource(options); | 
 |     return ortc_factory->CreateAudioTrack(id, source); | 
 |   } | 
 |  | 
 |   // Stores created capturer in |fake_video_capturers_|. | 
 |   rtc::scoped_refptr<webrtc::VideoTrackInterface> | 
 |   CreateLocalVideoTrackAndFakeCapturer(const std::string& id, | 
 |                                        OrtcFactoryInterface* ortc_factory) { | 
 |     cricket::FakeVideoCapturer* fake_capturer = | 
 |         new webrtc::FakePeriodicVideoCapturer(); | 
 |     fake_video_capturers_.push_back(fake_capturer); | 
 |     rtc::scoped_refptr<webrtc::VideoTrackSourceInterface> source = | 
 |         ortc_factory->CreateVideoSource( | 
 |             std::unique_ptr<cricket::VideoCapturer>(fake_capturer)); | 
 |     return rtc::scoped_refptr<webrtc::VideoTrackInterface>( | 
 |         ortc_factory->CreateVideoTrack(id, source)); | 
 |   } | 
 |  | 
 |   // Helper function used to test two way RTP senders and receivers with basic | 
 |   // configurations. | 
 |   // If |expect_success| is true, waits for kDefaultTimeout for | 
 |   // kDefaultNumFrames frames to be received by all RtpReceivers. | 
 |   // If |expect_success| is false, simply waits for |kReceivingDuration|, and | 
 |   // stores the number of received frames in |received_audio_frame1_| etc. | 
 |   void BasicTwoWayRtpSendersAndReceiversTest(RtpTransportPair srtp_transports, | 
 |                                              bool expect_success) { | 
 |     received_audio_frames1_ = 0; | 
 |     received_audio_frames2_ = 0; | 
 |     rendered_video_frames1_ = 0; | 
 |     rendered_video_frames2_ = 0; | 
 |     // Create all the senders and receivers (four per endpoint). | 
 |     auto audio_sender_result1 = ortc_factory1_->CreateRtpSender( | 
 |         cricket::MEDIA_TYPE_AUDIO, srtp_transports.first.get()); | 
 |     auto video_sender_result1 = ortc_factory1_->CreateRtpSender( | 
 |         cricket::MEDIA_TYPE_VIDEO, srtp_transports.first.get()); | 
 |     auto audio_receiver_result1 = ortc_factory1_->CreateRtpReceiver( | 
 |         cricket::MEDIA_TYPE_AUDIO, srtp_transports.first.get()); | 
 |     auto video_receiver_result1 = ortc_factory1_->CreateRtpReceiver( | 
 |         cricket::MEDIA_TYPE_VIDEO, srtp_transports.first.get()); | 
 |     ASSERT_TRUE(audio_sender_result1.ok()); | 
 |     ASSERT_TRUE(video_sender_result1.ok()); | 
 |     ASSERT_TRUE(audio_receiver_result1.ok()); | 
 |     ASSERT_TRUE(video_receiver_result1.ok()); | 
 |     auto audio_sender1 = audio_sender_result1.MoveValue(); | 
 |     auto video_sender1 = video_sender_result1.MoveValue(); | 
 |     auto audio_receiver1 = audio_receiver_result1.MoveValue(); | 
 |     auto video_receiver1 = video_receiver_result1.MoveValue(); | 
 |  | 
 |     auto audio_sender_result2 = ortc_factory2_->CreateRtpSender( | 
 |         cricket::MEDIA_TYPE_AUDIO, srtp_transports.second.get()); | 
 |     auto video_sender_result2 = ortc_factory2_->CreateRtpSender( | 
 |         cricket::MEDIA_TYPE_VIDEO, srtp_transports.second.get()); | 
 |     auto audio_receiver_result2 = ortc_factory2_->CreateRtpReceiver( | 
 |         cricket::MEDIA_TYPE_AUDIO, srtp_transports.second.get()); | 
 |     auto video_receiver_result2 = ortc_factory2_->CreateRtpReceiver( | 
 |         cricket::MEDIA_TYPE_VIDEO, srtp_transports.second.get()); | 
 |     ASSERT_TRUE(audio_sender_result2.ok()); | 
 |     ASSERT_TRUE(video_sender_result2.ok()); | 
 |     ASSERT_TRUE(audio_receiver_result2.ok()); | 
 |     ASSERT_TRUE(video_receiver_result2.ok()); | 
 |     auto audio_sender2 = audio_sender_result2.MoveValue(); | 
 |     auto video_sender2 = video_sender_result2.MoveValue(); | 
 |     auto audio_receiver2 = audio_receiver_result2.MoveValue(); | 
 |     auto video_receiver2 = video_receiver_result2.MoveValue(); | 
 |  | 
 |     // Add fake tracks. | 
 |     RTCError error = audio_sender1->SetTrack( | 
 |         CreateLocalAudioTrack("audio", ortc_factory1_.get())); | 
 |     EXPECT_TRUE(error.ok()); | 
 |     error = video_sender1->SetTrack( | 
 |         CreateLocalVideoTrackAndFakeCapturer("video", ortc_factory1_.get())); | 
 |     EXPECT_TRUE(error.ok()); | 
 |     error = audio_sender2->SetTrack( | 
 |         CreateLocalAudioTrack("audio", ortc_factory2_.get())); | 
 |     EXPECT_TRUE(error.ok()); | 
 |     error = video_sender2->SetTrack( | 
 |         CreateLocalVideoTrackAndFakeCapturer("video", ortc_factory2_.get())); | 
 |     EXPECT_TRUE(error.ok()); | 
 |  | 
 |     // "sent_X_parameters1" are the parameters that endpoint 1 sends with and | 
 |     // endpoint 2 receives with. | 
 |     RtpParameters sent_opus_parameters1 = | 
 |         MakeMinimalOpusParametersWithSsrc(0xdeadbeef); | 
 |     RtpParameters sent_vp8_parameters1 = | 
 |         MakeMinimalVp8ParametersWithSsrc(0xbaadfeed); | 
 |     RtpParameters sent_opus_parameters2 = | 
 |         MakeMinimalOpusParametersWithSsrc(0x13333337); | 
 |     RtpParameters sent_vp8_parameters2 = | 
 |         MakeMinimalVp8ParametersWithSsrc(0x12345678); | 
 |  | 
 |     // Configure the senders' and receivers' parameters. | 
 |     EXPECT_TRUE(audio_receiver1->Receive(sent_opus_parameters2).ok()); | 
 |     EXPECT_TRUE(video_receiver1->Receive(sent_vp8_parameters2).ok()); | 
 |     EXPECT_TRUE(audio_receiver2->Receive(sent_opus_parameters1).ok()); | 
 |     EXPECT_TRUE(video_receiver2->Receive(sent_vp8_parameters1).ok()); | 
 |     EXPECT_TRUE(audio_sender1->Send(sent_opus_parameters1).ok()); | 
 |     EXPECT_TRUE(video_sender1->Send(sent_vp8_parameters1).ok()); | 
 |     EXPECT_TRUE(audio_sender2->Send(sent_opus_parameters2).ok()); | 
 |     EXPECT_TRUE(video_sender2->Send(sent_vp8_parameters2).ok()); | 
 |  | 
 |     FakeVideoTrackRenderer fake_video_renderer1( | 
 |         static_cast<VideoTrackInterface*>(video_receiver1->GetTrack().get())); | 
 |     FakeVideoTrackRenderer fake_video_renderer2( | 
 |         static_cast<VideoTrackInterface*>(video_receiver2->GetTrack().get())); | 
 |  | 
 |     if (expect_success) { | 
 |       EXPECT_TRUE_WAIT( | 
 |           fake_audio_capture_module1_->frames_received() > kDefaultNumFrames && | 
 |               fake_video_renderer1.num_rendered_frames() > kDefaultNumFrames && | 
 |               fake_audio_capture_module2_->frames_received() > | 
 |                   kDefaultNumFrames && | 
 |               fake_video_renderer2.num_rendered_frames() > kDefaultNumFrames, | 
 |           kDefaultTimeout) << "Audio capture module 1 received " | 
 |                            << fake_audio_capture_module1_->frames_received() | 
 |                            << " frames, Video renderer 1 rendered " | 
 |                            << fake_video_renderer1.num_rendered_frames() | 
 |                            << " frames, Audio capture module 2 received " | 
 |                            << fake_audio_capture_module2_->frames_received() | 
 |                            << " frames, Video renderer 2 rendered " | 
 |                            << fake_video_renderer2.num_rendered_frames() | 
 |                            << " frames."; | 
 |     } else { | 
 |       WAIT(false, kReceivingDuration); | 
 |       rendered_video_frames1_ = fake_video_renderer1.num_rendered_frames(); | 
 |       rendered_video_frames2_ = fake_video_renderer2.num_rendered_frames(); | 
 |       received_audio_frames1_ = fake_audio_capture_module1_->frames_received(); | 
 |       received_audio_frames2_ = fake_audio_capture_module2_->frames_received(); | 
 |     } | 
 |   } | 
 |  | 
 |   rtc::VirtualSocketServer virtual_socket_server_; | 
 |   rtc::Thread network_thread_; | 
 |   rtc::FakeNetworkManager fake_network_manager_; | 
 |   rtc::scoped_refptr<FakeAudioCaptureModule> fake_audio_capture_module1_; | 
 |   rtc::scoped_refptr<FakeAudioCaptureModule> fake_audio_capture_module2_; | 
 |   std::unique_ptr<OrtcFactoryInterface> ortc_factory1_; | 
 |   std::unique_ptr<OrtcFactoryInterface> ortc_factory2_; | 
 |   // Actually owned by video tracks. | 
 |   std::vector<cricket::FakeVideoCapturer*> fake_video_capturers_; | 
 |   int received_audio_frames1_ = 0; | 
 |   int received_audio_frames2_ = 0; | 
 |   int rendered_video_frames1_ = 0; | 
 |   int rendered_video_frames2_ = 0; | 
 | }; | 
 |  | 
 | // Disable for TSan v2, see | 
 | // https://bugs.chromium.org/p/webrtc/issues/detail?id=7366 for details. | 
 | #if !defined(THREAD_SANITIZER) | 
 |  | 
 | // Very basic end-to-end test with a single pair of audio RTP sender and | 
 | // receiver. | 
 | // | 
 | // Uses muxed RTCP, and minimal parameters with a hard-coded config that's | 
 | // known to work. | 
 | TEST_F(OrtcFactoryIntegrationTest, BasicOneWayAudioRtpSenderAndReceiver) { | 
 |   auto udp_transports = CreateAndConnectUdpTransportPair(); | 
 |   auto rtp_transports = | 
 |       CreateRtpTransportPair(MakeRtcpMuxParameters(), udp_transports); | 
 |  | 
 |   auto sender_result = ortc_factory1_->CreateRtpSender( | 
 |       cricket::MEDIA_TYPE_AUDIO, rtp_transports.first.get()); | 
 |   auto receiver_result = ortc_factory2_->CreateRtpReceiver( | 
 |       cricket::MEDIA_TYPE_AUDIO, rtp_transports.second.get()); | 
 |   ASSERT_TRUE(sender_result.ok()); | 
 |   ASSERT_TRUE(receiver_result.ok()); | 
 |   auto sender = sender_result.MoveValue(); | 
 |   auto receiver = receiver_result.MoveValue(); | 
 |  | 
 |   RTCError error = | 
 |       sender->SetTrack(CreateLocalAudioTrack("audio", ortc_factory1_.get())); | 
 |   EXPECT_TRUE(error.ok()); | 
 |  | 
 |   RtpParameters opus_parameters = MakeMinimalOpusParameters(); | 
 |   EXPECT_TRUE(receiver->Receive(opus_parameters).ok()); | 
 |   EXPECT_TRUE(sender->Send(opus_parameters).ok()); | 
 |   // Sender and receiver are connected and configured; audio frames should be | 
 |   // able to flow at this point. | 
 |   EXPECT_TRUE_WAIT( | 
 |       fake_audio_capture_module2_->frames_received() > kDefaultNumFrames, | 
 |       kDefaultTimeout); | 
 | } | 
 |  | 
 | // Very basic end-to-end test with a single pair of video RTP sender and | 
 | // receiver. | 
 | // | 
 | // Uses muxed RTCP, and minimal parameters with a hard-coded config that's | 
 | // known to work. | 
 | TEST_F(OrtcFactoryIntegrationTest, BasicOneWayVideoRtpSenderAndReceiver) { | 
 |   auto udp_transports = CreateAndConnectUdpTransportPair(); | 
 |   auto rtp_transports = | 
 |       CreateRtpTransportPair(MakeRtcpMuxParameters(), udp_transports); | 
 |  | 
 |   auto sender_result = ortc_factory1_->CreateRtpSender( | 
 |       cricket::MEDIA_TYPE_VIDEO, rtp_transports.first.get()); | 
 |   auto receiver_result = ortc_factory2_->CreateRtpReceiver( | 
 |       cricket::MEDIA_TYPE_VIDEO, rtp_transports.second.get()); | 
 |   ASSERT_TRUE(sender_result.ok()); | 
 |   ASSERT_TRUE(receiver_result.ok()); | 
 |   auto sender = sender_result.MoveValue(); | 
 |   auto receiver = receiver_result.MoveValue(); | 
 |  | 
 |   RTCError error = sender->SetTrack( | 
 |       CreateLocalVideoTrackAndFakeCapturer("video", ortc_factory1_.get())); | 
 |   EXPECT_TRUE(error.ok()); | 
 |  | 
 |   RtpParameters vp8_parameters = MakeMinimalVp8Parameters(); | 
 |   EXPECT_TRUE(receiver->Receive(vp8_parameters).ok()); | 
 |   EXPECT_TRUE(sender->Send(vp8_parameters).ok()); | 
 |   FakeVideoTrackRenderer fake_renderer( | 
 |       static_cast<VideoTrackInterface*>(receiver->GetTrack().get())); | 
 |   // Sender and receiver are connected and configured; video frames should be | 
 |   // able to flow at this point. | 
 |   EXPECT_TRUE_WAIT(fake_renderer.num_rendered_frames() > kDefaultNumFrames, | 
 |                    kDefaultTimeout); | 
 | } | 
 |  | 
 | // Test that if the track is changed while sending, the sender seamlessly | 
 | // transitions to sending it and frames are received end-to-end. | 
 | // | 
 | // Only doing this for video, since given that audio is sourced from a single | 
 | // fake audio capture module, the audio track is just a dummy object. | 
 | // TODO(deadbeef): Change this when possible. | 
 | TEST_F(OrtcFactoryIntegrationTest, SetTrackWhileSending) { | 
 |   auto udp_transports = CreateAndConnectUdpTransportPair(); | 
 |   auto rtp_transports = | 
 |       CreateRtpTransportPair(MakeRtcpMuxParameters(), udp_transports); | 
 |  | 
 |   auto sender_result = ortc_factory1_->CreateRtpSender( | 
 |       cricket::MEDIA_TYPE_VIDEO, rtp_transports.first.get()); | 
 |   auto receiver_result = ortc_factory2_->CreateRtpReceiver( | 
 |       cricket::MEDIA_TYPE_VIDEO, rtp_transports.second.get()); | 
 |   ASSERT_TRUE(sender_result.ok()); | 
 |   ASSERT_TRUE(receiver_result.ok()); | 
 |   auto sender = sender_result.MoveValue(); | 
 |   auto receiver = receiver_result.MoveValue(); | 
 |  | 
 |   RTCError error = sender->SetTrack( | 
 |       CreateLocalVideoTrackAndFakeCapturer("video_1", ortc_factory1_.get())); | 
 |   EXPECT_TRUE(error.ok()); | 
 |   RtpParameters vp8_parameters = MakeMinimalVp8Parameters(); | 
 |   EXPECT_TRUE(receiver->Receive(vp8_parameters).ok()); | 
 |   EXPECT_TRUE(sender->Send(vp8_parameters).ok()); | 
 |   FakeVideoTrackRenderer fake_renderer( | 
 |       static_cast<VideoTrackInterface*>(receiver->GetTrack().get())); | 
 |   // Expect for some initial number of frames to be received. | 
 |   EXPECT_TRUE_WAIT(fake_renderer.num_rendered_frames() > kDefaultNumFrames, | 
 |                    kDefaultTimeout); | 
 |   // Stop the old capturer, set a new track, and verify new frames are received | 
 |   // from the new track. Stopping the old capturer ensures that we aren't | 
 |   // actually still getting frames from it. | 
 |   fake_video_capturers_[0]->Stop(); | 
 |   int prev_num_frames = fake_renderer.num_rendered_frames(); | 
 |   error = sender->SetTrack( | 
 |       CreateLocalVideoTrackAndFakeCapturer("video_2", ortc_factory1_.get())); | 
 |   EXPECT_TRUE(error.ok()); | 
 |   EXPECT_TRUE_WAIT( | 
 |       fake_renderer.num_rendered_frames() > kDefaultNumFrames + prev_num_frames, | 
 |       kDefaultTimeout); | 
 | } | 
 |  | 
 | // End-to-end test with two pairs of RTP senders and receivers, for audio and | 
 | // video. | 
 | // | 
 | // Uses muxed RTCP, and minimal parameters with hard-coded configs that are | 
 | // known to work. | 
 | #if !(defined(WEBRTC_IOS) && defined(WEBRTC_ARCH_64_BITS) && !defined(NDEBUG)) | 
 | TEST_F(OrtcFactoryIntegrationTest, | 
 |        BasicTwoWayAudioVideoRtpSendersAndReceivers) { | 
 |   auto udp_transports = CreateAndConnectUdpTransportPair(); | 
 |   auto rtp_transports = | 
 |       CreateRtpTransportPair(MakeRtcpMuxParameters(), udp_transports); | 
 |   bool expect_success = true; | 
 |   BasicTwoWayRtpSendersAndReceiversTest(std::move(rtp_transports), | 
 |                                         expect_success); | 
 | } | 
 |  | 
 | TEST_F(OrtcFactoryIntegrationTest, | 
 |        BasicTwoWayAudioVideoSrtpSendersAndReceivers) { | 
 |   auto udp_transports = CreateAndConnectUdpTransportPair(); | 
 |   auto srtp_transports = CreateSrtpTransportPairAndSetKeys( | 
 |       MakeRtcpMuxParameters(), udp_transports); | 
 |   bool expect_success = true; | 
 |   BasicTwoWayRtpSendersAndReceiversTest(std::move(srtp_transports), | 
 |                                         expect_success); | 
 | } | 
 | #endif | 
 |  | 
 | // Tests that the packets cannot be decoded if the keys are mismatched. | 
 | TEST_F(OrtcFactoryIntegrationTest, SrtpSendersAndReceiversWithMismatchingKeys) { | 
 |   auto udp_transports = CreateAndConnectUdpTransportPair(); | 
 |   auto srtp_transports = CreateSrtpTransportPairAndSetMismatchingKeys( | 
 |       MakeRtcpMuxParameters(), udp_transports); | 
 |   bool expect_success = false; | 
 |   BasicTwoWayRtpSendersAndReceiversTest(std::move(srtp_transports), | 
 |                                         expect_success); | 
 |   // No frames are expected to be decoded. | 
 |   EXPECT_TRUE(received_audio_frames1_ == 0 && received_audio_frames2_ == 0 && | 
 |               rendered_video_frames1_ == 0 && rendered_video_frames2_ == 0); | 
 | } | 
 |  | 
 | // Tests that the frames cannot be decoded if only one side uses SRTP. | 
 | TEST_F(OrtcFactoryIntegrationTest, OneSideSrtpSenderAndReceiver) { | 
 |   auto rtcp_parameters = MakeRtcpMuxParameters(); | 
 |   auto udp_transports = CreateAndConnectUdpTransportPair(); | 
 |   auto rtcp_udp_transports = UdpTransportPair(); | 
 |   auto transport_controllers = RtpTransportControllerPair(); | 
 |   auto transport_result1 = ortc_factory1_->CreateRtpTransport( | 
 |       rtcp_parameters, udp_transports.first.get(), | 
 |       rtcp_udp_transports.first.get(), transport_controllers.first.get()); | 
 |   auto transport_result2 = ortc_factory2_->CreateSrtpTransport( | 
 |       rtcp_parameters, udp_transports.second.get(), | 
 |       rtcp_udp_transports.second.get(), transport_controllers.second.get()); | 
 |  | 
 |   auto rtp_transport = transport_result1.MoveValue(); | 
 |   auto srtp_transport = transport_result2.MoveValue(); | 
 |   EXPECT_TRUE(srtp_transport->SetSrtpSendKey(kTestCryptoParams1).ok()); | 
 |   EXPECT_TRUE(srtp_transport->SetSrtpReceiveKey(kTestCryptoParams2).ok()); | 
 |   bool expect_success = false; | 
 |   BasicTwoWayRtpSendersAndReceiversTest( | 
 |       {std::move(rtp_transport), std::move(srtp_transport)}, expect_success); | 
 |  | 
 |   // The SRTP side is not expected to decode any audio or video frames. | 
 |   // The RTP side is not expected to decode any video frames while it is | 
 |   // possible that the encrypted audio frames can be accidentally decoded which | 
 |   // is why received_audio_frames1_ is not validated. | 
 |   EXPECT_TRUE(received_audio_frames2_ == 0 && rendered_video_frames1_ == 0 && | 
 |               rendered_video_frames2_ == 0); | 
 | } | 
 |  | 
 | // End-to-end test with two pairs of RTP senders and receivers, for audio and | 
 | // video. Unlike the test above, this attempts to make the parameters as | 
 | // complex as possible. The senders and receivers use the SRTP transport with | 
 | // different keys. | 
 | // | 
 | // Uses non-muxed RTCP, with separate audio/video transports, and a full set of | 
 | // parameters, as would normally be used in a PeerConnection. | 
 | // | 
 | // TODO(deadbeef): Update this test as more audio/video features become | 
 | // supported. | 
 | TEST_F(OrtcFactoryIntegrationTest, | 
 |        FullTwoWayAudioVideoSrtpSendersAndReceivers) { | 
 |   // We want four pairs of UDP transports for this test, for audio/video and | 
 |   // RTP/RTCP. | 
 |   auto audio_rtp_udp_transports = CreateAndConnectUdpTransportPair(); | 
 |   auto audio_rtcp_udp_transports = CreateAndConnectUdpTransportPair(); | 
 |   auto video_rtp_udp_transports = CreateAndConnectUdpTransportPair(); | 
 |   auto video_rtcp_udp_transports = CreateAndConnectUdpTransportPair(); | 
 |  | 
 |   // Since we have multiple RTP transports on each side, we need an RTP | 
 |   // transport controller. | 
 |   auto transport_controllers = CreateRtpTransportControllerPair(); | 
 |  | 
 |   RtpTransportParameters audio_rtp_transport_parameters; | 
 |   audio_rtp_transport_parameters.rtcp.mux = false; | 
 |   auto audio_srtp_transports = CreateSrtpTransportPair( | 
 |       audio_rtp_transport_parameters, audio_rtp_udp_transports, | 
 |       audio_rtcp_udp_transports, transport_controllers); | 
 |  | 
 |   RtpTransportParameters video_rtp_transport_parameters; | 
 |   video_rtp_transport_parameters.rtcp.mux = false; | 
 |   video_rtp_transport_parameters.rtcp.reduced_size = true; | 
 |   auto video_srtp_transports = CreateSrtpTransportPair( | 
 |       video_rtp_transport_parameters, video_rtp_udp_transports, | 
 |       video_rtcp_udp_transports, transport_controllers); | 
 |  | 
 |   // Set keys for SRTP transports. | 
 |   audio_srtp_transports.first->SetSrtpSendKey(kTestCryptoParams1); | 
 |   audio_srtp_transports.first->SetSrtpReceiveKey(kTestCryptoParams2); | 
 |   video_srtp_transports.first->SetSrtpSendKey(kTestCryptoParams3); | 
 |   video_srtp_transports.first->SetSrtpReceiveKey(kTestCryptoParams4); | 
 |  | 
 |   audio_srtp_transports.second->SetSrtpSendKey(kTestCryptoParams2); | 
 |   audio_srtp_transports.second->SetSrtpReceiveKey(kTestCryptoParams1); | 
 |   video_srtp_transports.second->SetSrtpSendKey(kTestCryptoParams4); | 
 |   video_srtp_transports.second->SetSrtpReceiveKey(kTestCryptoParams3); | 
 |  | 
 |   // Create all the senders and receivers (four per endpoint). | 
 |   auto audio_sender_result1 = ortc_factory1_->CreateRtpSender( | 
 |       cricket::MEDIA_TYPE_AUDIO, audio_srtp_transports.first.get()); | 
 |   auto video_sender_result1 = ortc_factory1_->CreateRtpSender( | 
 |       cricket::MEDIA_TYPE_VIDEO, video_srtp_transports.first.get()); | 
 |   auto audio_receiver_result1 = ortc_factory1_->CreateRtpReceiver( | 
 |       cricket::MEDIA_TYPE_AUDIO, audio_srtp_transports.first.get()); | 
 |   auto video_receiver_result1 = ortc_factory1_->CreateRtpReceiver( | 
 |       cricket::MEDIA_TYPE_VIDEO, video_srtp_transports.first.get()); | 
 |   ASSERT_TRUE(audio_sender_result1.ok()); | 
 |   ASSERT_TRUE(video_sender_result1.ok()); | 
 |   ASSERT_TRUE(audio_receiver_result1.ok()); | 
 |   ASSERT_TRUE(video_receiver_result1.ok()); | 
 |   auto audio_sender1 = audio_sender_result1.MoveValue(); | 
 |   auto video_sender1 = video_sender_result1.MoveValue(); | 
 |   auto audio_receiver1 = audio_receiver_result1.MoveValue(); | 
 |   auto video_receiver1 = video_receiver_result1.MoveValue(); | 
 |  | 
 |   auto audio_sender_result2 = ortc_factory2_->CreateRtpSender( | 
 |       cricket::MEDIA_TYPE_AUDIO, audio_srtp_transports.second.get()); | 
 |   auto video_sender_result2 = ortc_factory2_->CreateRtpSender( | 
 |       cricket::MEDIA_TYPE_VIDEO, video_srtp_transports.second.get()); | 
 |   auto audio_receiver_result2 = ortc_factory2_->CreateRtpReceiver( | 
 |       cricket::MEDIA_TYPE_AUDIO, audio_srtp_transports.second.get()); | 
 |   auto video_receiver_result2 = ortc_factory2_->CreateRtpReceiver( | 
 |       cricket::MEDIA_TYPE_VIDEO, video_srtp_transports.second.get()); | 
 |   ASSERT_TRUE(audio_sender_result2.ok()); | 
 |   ASSERT_TRUE(video_sender_result2.ok()); | 
 |   ASSERT_TRUE(audio_receiver_result2.ok()); | 
 |   ASSERT_TRUE(video_receiver_result2.ok()); | 
 |   auto audio_sender2 = audio_sender_result2.MoveValue(); | 
 |   auto video_sender2 = video_sender_result2.MoveValue(); | 
 |   auto audio_receiver2 = audio_receiver_result2.MoveValue(); | 
 |   auto video_receiver2 = video_receiver_result2.MoveValue(); | 
 |  | 
 |   RTCError error = audio_sender1->SetTrack( | 
 |       CreateLocalAudioTrack("audio", ortc_factory1_.get())); | 
 |   EXPECT_TRUE(error.ok()); | 
 |   error = video_sender1->SetTrack( | 
 |       CreateLocalVideoTrackAndFakeCapturer("video", ortc_factory1_.get())); | 
 |   EXPECT_TRUE(error.ok()); | 
 |   error = audio_sender2->SetTrack( | 
 |       CreateLocalAudioTrack("audio", ortc_factory2_.get())); | 
 |   EXPECT_TRUE(error.ok()); | 
 |   error = video_sender2->SetTrack( | 
 |       CreateLocalVideoTrackAndFakeCapturer("video", ortc_factory2_.get())); | 
 |   EXPECT_TRUE(error.ok()); | 
 |  | 
 |   // Use different codecs in different directions for extra challenge. | 
 |   RtpParameters opus_send_parameters = MakeFullOpusParameters(); | 
 |   RtpParameters isac_send_parameters = MakeFullIsacParameters(); | 
 |   RtpParameters vp8_send_parameters = MakeFullVp8Parameters(); | 
 |   RtpParameters vp9_send_parameters = MakeFullVp9Parameters(); | 
 |  | 
 |   // Remove "payload_type" from receive parameters. Receiver will need to | 
 |   // discern the payload type from packets received. | 
 |   RtpParameters opus_receive_parameters = opus_send_parameters; | 
 |   RtpParameters isac_receive_parameters = isac_send_parameters; | 
 |   RtpParameters vp8_receive_parameters = vp8_send_parameters; | 
 |   RtpParameters vp9_receive_parameters = vp9_send_parameters; | 
 |   opus_receive_parameters.encodings[0].codec_payload_type.reset(); | 
 |   isac_receive_parameters.encodings[0].codec_payload_type.reset(); | 
 |   vp8_receive_parameters.encodings[0].codec_payload_type.reset(); | 
 |   vp9_receive_parameters.encodings[0].codec_payload_type.reset(); | 
 |  | 
 |   // Configure the senders' and receivers' parameters. | 
 |   // | 
 |   // Note: Intentionally, the top codec in the receive parameters does not | 
 |   // match the codec sent by the other side. If "Receive" is called with a list | 
 |   // of codecs, the receiver should be prepared to receive any of them, not | 
 |   // just the one on top. | 
 |   EXPECT_TRUE(audio_receiver1->Receive(opus_receive_parameters).ok()); | 
 |   EXPECT_TRUE(video_receiver1->Receive(vp8_receive_parameters).ok()); | 
 |   EXPECT_TRUE(audio_receiver2->Receive(isac_receive_parameters).ok()); | 
 |   EXPECT_TRUE(video_receiver2->Receive(vp9_receive_parameters).ok()); | 
 |   EXPECT_TRUE(audio_sender1->Send(opus_send_parameters).ok()); | 
 |   EXPECT_TRUE(video_sender1->Send(vp8_send_parameters).ok()); | 
 |   EXPECT_TRUE(audio_sender2->Send(isac_send_parameters).ok()); | 
 |   EXPECT_TRUE(video_sender2->Send(vp9_send_parameters).ok()); | 
 |  | 
 |   FakeVideoTrackRenderer fake_video_renderer1( | 
 |       static_cast<VideoTrackInterface*>(video_receiver1->GetTrack().get())); | 
 |   FakeVideoTrackRenderer fake_video_renderer2( | 
 |       static_cast<VideoTrackInterface*>(video_receiver2->GetTrack().get())); | 
 |  | 
 |   // Senders and receivers are connected and configured; audio and video frames | 
 |   // should be able to flow at this point. | 
 |   EXPECT_TRUE_WAIT( | 
 |       fake_audio_capture_module1_->frames_received() > kDefaultNumFrames && | 
 |           fake_video_renderer1.num_rendered_frames() > kDefaultNumFrames && | 
 |           fake_audio_capture_module2_->frames_received() > kDefaultNumFrames && | 
 |           fake_video_renderer2.num_rendered_frames() > kDefaultNumFrames, | 
 |       kDefaultTimeout); | 
 | } | 
 |  | 
 | // TODO(deadbeef): End-to-end test for multiple senders/receivers of the same | 
 | // media type, once that's supported. Currently, it is not because the | 
 | // BaseChannel model relies on there being a single VoiceChannel and | 
 | // VideoChannel, and these only support a single set of codecs/etc. per | 
 | // send/receive direction. | 
 |  | 
 | // TODO(deadbeef): End-to-end test for simulcast, once that's supported by this | 
 | // API. | 
 |  | 
 | #endif  // if !defined(THREAD_SANITIZER) | 
 |  | 
 | }  // namespace webrtc |