media/webrtc/signaling/test/mediapipeline_unittest.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/media/webrtc/signaling/test/mediapipeline_unittest.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,929 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
     1.6 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +// Original author: ekr@rtfm.com
     1.9 +
    1.10 +#include <iostream>
    1.11 +
    1.12 +#include "sigslot.h"
    1.13 +
    1.14 +#include "logging.h"
    1.15 +#include "nsThreadUtils.h"
    1.16 +#include "nsXPCOM.h"
    1.17 +#include "nss.h"
    1.18 +#include "ssl.h"
    1.19 +#include "sslproto.h"
    1.20 +
    1.21 +#include "dtlsidentity.h"
    1.22 +#include "mozilla/RefPtr.h"
    1.23 +#include "FakeMediaStreams.h"
    1.24 +#include "FakeMediaStreamsImpl.h"
    1.25 +#include "MediaConduitErrors.h"
    1.26 +#include "MediaConduitInterface.h"
    1.27 +#include "MediaPipeline.h"
    1.28 +#include "MediaPipelineFilter.h"
    1.29 +#include "runnable_utils.h"
    1.30 +#include "transportflow.h"
    1.31 +#include "transportlayerloopback.h"
    1.32 +#include "transportlayerdtls.h"
    1.33 +#include "mozilla/SyncRunnable.h"
    1.34 +
    1.35 +
    1.36 +#include "mtransport_test_utils.h"
    1.37 +#include "runnable_utils.h"
    1.38 +
    1.39 +#include "webrtc/modules/interface/module_common_types.h"
    1.40 +
    1.41 +#define GTEST_HAS_RTTI 0
    1.42 +#include "gtest/gtest.h"
    1.43 +#include "gtest_utils.h"
    1.44 +
    1.45 +using namespace mozilla;
    1.46 +MOZ_MTLOG_MODULE("mediapipeline")
    1.47 +
    1.48 +MtransportTestUtils *test_utils;
    1.49 +
    1.50 +namespace {
    1.51 +
    1.52 +class TransportInfo {
    1.53 + public:
    1.54 +  TransportInfo() :
    1.55 +    flow_(nullptr),
    1.56 +    loopback_(nullptr),
    1.57 +    dtls_(nullptr) {}
    1.58 +
    1.59 +  static void InitAndConnect(TransportInfo &client, TransportInfo &server) {
    1.60 +    client.Init(true);
    1.61 +    server.Init(false);
    1.62 +    client.PushLayers();
    1.63 +    server.PushLayers();
    1.64 +    client.Connect(&server);
    1.65 +    server.Connect(&client);
    1.66 +  }
    1.67 +
    1.68 +  void Init(bool client) {
    1.69 +    nsresult res;
    1.70 +
    1.71 +    flow_ = new TransportFlow();
    1.72 +    loopback_ = new TransportLayerLoopback();
    1.73 +    dtls_ = new TransportLayerDtls();
    1.74 +
    1.75 +    res = loopback_->Init();
    1.76 +    if (res != NS_OK) {
    1.77 +      FreeLayers();
    1.78 +    }
    1.79 +    ASSERT_EQ((nsresult)NS_OK, res);
    1.80 +
    1.81 +    std::vector<uint16_t> ciphers;
    1.82 +    ciphers.push_back(SRTP_AES128_CM_HMAC_SHA1_80);
    1.83 +    dtls_->SetSrtpCiphers(ciphers);
    1.84 +    dtls_->SetIdentity(DtlsIdentity::Generate());
    1.85 +    dtls_->SetRole(client ? TransportLayerDtls::CLIENT :
    1.86 +      TransportLayerDtls::SERVER);
    1.87 +    dtls_->SetVerificationAllowAll();
    1.88 +  }
    1.89 +
    1.90 +  void PushLayers() {
    1.91 +    nsresult res;
    1.92 +
    1.93 +    nsAutoPtr<std::queue<TransportLayer *> > layers(
    1.94 +      new std::queue<TransportLayer *>);
    1.95 +    layers->push(loopback_);
    1.96 +    layers->push(dtls_);
    1.97 +    res = flow_->PushLayers(layers);
    1.98 +    if (res != NS_OK) {
    1.99 +      FreeLayers();
   1.100 +    }
   1.101 +    ASSERT_EQ((nsresult)NS_OK, res);
   1.102 +  }
   1.103 +
   1.104 +  void Connect(TransportInfo* peer) {
   1.105 +    MOZ_ASSERT(loopback_);
   1.106 +    MOZ_ASSERT(peer->loopback_);
   1.107 +
   1.108 +    loopback_->Connect(peer->loopback_);
   1.109 +  }
   1.110 +
   1.111 +  // Free the memory allocated at the beginning of Init
   1.112 +  // if failure occurs before layers setup.
   1.113 +  void FreeLayers() {
   1.114 +    delete loopback_;
   1.115 +    loopback_ = nullptr;
   1.116 +    delete dtls_;
   1.117 +    dtls_ = nullptr;
   1.118 +  }
   1.119 +
   1.120 +  void Shutdown() {
   1.121 +    if (loopback_) {
   1.122 +      loopback_->Disconnect();
   1.123 +    }
   1.124 +    loopback_ = nullptr;
   1.125 +    dtls_ = nullptr;
   1.126 +    flow_ = nullptr;
   1.127 +  }
   1.128 +
   1.129 +  mozilla::RefPtr<TransportFlow> flow_;
   1.130 +  TransportLayerLoopback *loopback_;
   1.131 +  TransportLayerDtls *dtls_;
   1.132 +};
   1.133 +
   1.134 +class TestAgent {
   1.135 + public:
   1.136 +  TestAgent() :
   1.137 +      audio_config_(109, "opus", 48000, 960, 2, 64000),
   1.138 +      audio_conduit_(mozilla::AudioSessionConduit::Create(nullptr)),
   1.139 +      audio_(),
   1.140 +      audio_pipeline_() {
   1.141 +  }
   1.142 +
   1.143 +  static void ConnectRtp(TestAgent *client, TestAgent *server) {
   1.144 +    TransportInfo::InitAndConnect(client->audio_rtp_transport_,
   1.145 +                                  server->audio_rtp_transport_);
   1.146 +  }
   1.147 +
   1.148 +  static void ConnectRtcp(TestAgent *client, TestAgent *server) {
   1.149 +    TransportInfo::InitAndConnect(client->audio_rtcp_transport_,
   1.150 +                                  server->audio_rtcp_transport_);
   1.151 +  }
   1.152 +
   1.153 +  static void ConnectBundle(TestAgent *client, TestAgent *server) {
   1.154 +    TransportInfo::InitAndConnect(client->bundle_transport_,
   1.155 +                                  server->bundle_transport_);
   1.156 +  }
   1.157 +
   1.158 +  virtual void CreatePipelines_s(bool aIsRtcpMux) = 0;
   1.159 +
   1.160 +  void Start() {
   1.161 +    nsresult ret;
   1.162 +
   1.163 +    MOZ_MTLOG(ML_DEBUG, "Starting");
   1.164 +
   1.165 +    mozilla::SyncRunnable::DispatchToThread(
   1.166 +      test_utils->sts_target(),
   1.167 +      WrapRunnableRet(audio_->GetStream(), &Fake_MediaStream::Start, &ret));
   1.168 +
   1.169 +    ASSERT_TRUE(NS_SUCCEEDED(ret));
   1.170 +  }
   1.171 +
   1.172 +  void StopInt() {
   1.173 +    audio_->GetStream()->Stop();
   1.174 +  }
   1.175 +
   1.176 +  void Stop() {
   1.177 +    MOZ_MTLOG(ML_DEBUG, "Stopping");
   1.178 +
   1.179 +    if (audio_pipeline_)
   1.180 +      audio_pipeline_->ShutdownMedia_m();
   1.181 +
   1.182 +    mozilla::SyncRunnable::DispatchToThread(
   1.183 +      test_utils->sts_target(),
   1.184 +      WrapRunnable(this, &TestAgent::StopInt));
   1.185 +  }
   1.186 +
   1.187 +  void Shutdown_s() {
   1.188 +    audio_rtp_transport_.Shutdown();
   1.189 +    audio_rtcp_transport_.Shutdown();
   1.190 +    bundle_transport_.Shutdown();
   1.191 +    if (audio_pipeline_)
   1.192 +      audio_pipeline_->ShutdownTransport_s();
   1.193 +  }
   1.194 +
   1.195 +  void Shutdown() {
   1.196 +    if (audio_pipeline_)
   1.197 +      audio_pipeline_->ShutdownMedia_m();
   1.198 +
   1.199 +    mozilla::SyncRunnable::DispatchToThread(
   1.200 +      test_utils->sts_target(),
   1.201 +      WrapRunnable(this, &TestAgent::Shutdown_s));
   1.202 +  }
   1.203 +
   1.204 +  uint32_t GetRemoteSSRC() {
   1.205 +    uint32_t res = 0;
   1.206 +    audio_conduit_->GetRemoteSSRC(&res);
   1.207 +    return res;
   1.208 +  }
   1.209 +
   1.210 +  uint32_t GetLocalSSRC() {
   1.211 +    uint32_t res = 0;
   1.212 +    audio_conduit_->GetLocalSSRC(&res);
   1.213 +    return res;
   1.214 +  }
   1.215 +
   1.216 +  int GetAudioRtpCountSent() {
   1.217 +    return audio_pipeline_->rtp_packets_sent();
   1.218 +  }
   1.219 +
   1.220 +  int GetAudioRtpCountReceived() {
   1.221 +    return audio_pipeline_->rtp_packets_received();
   1.222 +  }
   1.223 +
   1.224 +  int GetAudioRtcpCountSent() {
   1.225 +    return audio_pipeline_->rtcp_packets_sent();
   1.226 +  }
   1.227 +
   1.228 +  int GetAudioRtcpCountReceived() {
   1.229 +    return audio_pipeline_->rtcp_packets_received();
   1.230 +  }
   1.231 +
   1.232 + protected:
   1.233 +  mozilla::AudioCodecConfig audio_config_;
   1.234 +  mozilla::RefPtr<mozilla::MediaSessionConduit> audio_conduit_;
   1.235 +  nsRefPtr<DOMMediaStream> audio_;
   1.236 +  // TODO(bcampen@mozilla.com): Right now this does not let us test RTCP in
   1.237 +  // both directions; only the sender's RTCP is sent, but the receiver should
   1.238 +  // be sending it too.
   1.239 +  mozilla::RefPtr<mozilla::MediaPipeline> audio_pipeline_;
   1.240 +  TransportInfo audio_rtp_transport_;
   1.241 +  TransportInfo audio_rtcp_transport_;
   1.242 +  TransportInfo bundle_transport_;
   1.243 +};
   1.244 +
   1.245 +class TestAgentSend : public TestAgent {
   1.246 + public:
   1.247 +  TestAgentSend() : use_bundle_(false) {}
   1.248 +
   1.249 +  virtual void CreatePipelines_s(bool aIsRtcpMux) {
   1.250 +    audio_ = new Fake_DOMMediaStream(new Fake_AudioStreamSource());
   1.251 +
   1.252 +    mozilla::MediaConduitErrorCode err =
   1.253 +        static_cast<mozilla::AudioSessionConduit *>(audio_conduit_.get())->
   1.254 +        ConfigureSendMediaCodec(&audio_config_);
   1.255 +    EXPECT_EQ(mozilla::kMediaConduitNoError, err);
   1.256 +
   1.257 +    std::string test_pc("PC");
   1.258 +
   1.259 +    if (aIsRtcpMux) {
   1.260 +      ASSERT_FALSE(audio_rtcp_transport_.flow_);
   1.261 +    }
   1.262 +
   1.263 +    RefPtr<TransportFlow> rtp(audio_rtp_transport_.flow_);
   1.264 +    RefPtr<TransportFlow> rtcp(audio_rtcp_transport_.flow_);
   1.265 +
   1.266 +    if (use_bundle_) {
   1.267 +      rtp = bundle_transport_.flow_;
   1.268 +      rtcp = nullptr;
   1.269 +    }
   1.270 +
   1.271 +    audio_pipeline_ = new mozilla::MediaPipelineTransmit(
   1.272 +        test_pc,
   1.273 +        nullptr,
   1.274 +        test_utils->sts_target(),
   1.275 +        audio_,
   1.276 +        1,
   1.277 +        1,
   1.278 +        audio_conduit_,
   1.279 +        rtp,
   1.280 +        rtcp);
   1.281 +
   1.282 +    audio_pipeline_->Init();
   1.283 +  }
   1.284 +
   1.285 +  void SetUsingBundle(bool use_bundle) {
   1.286 +    use_bundle_ = use_bundle;
   1.287 +  }
   1.288 +
   1.289 + private:
   1.290 +  bool use_bundle_;
   1.291 +};
   1.292 +
   1.293 +
   1.294 +class TestAgentReceive : public TestAgent {
   1.295 + public:
   1.296 +  virtual void CreatePipelines_s(bool aIsRtcpMux) {
   1.297 +    mozilla::SourceMediaStream *audio = new Fake_SourceMediaStream();
   1.298 +    audio->SetPullEnabled(true);
   1.299 +
   1.300 +    mozilla::AudioSegment* segment= new mozilla::AudioSegment();
   1.301 +    audio->AddTrack(0, 100, 0, segment);
   1.302 +    audio->AdvanceKnownTracksTime(mozilla::STREAM_TIME_MAX);
   1.303 +
   1.304 +    audio_ = new Fake_DOMMediaStream(audio);
   1.305 +
   1.306 +    std::vector<mozilla::AudioCodecConfig *> codecs;
   1.307 +    codecs.push_back(&audio_config_);
   1.308 +
   1.309 +    mozilla::MediaConduitErrorCode err =
   1.310 +        static_cast<mozilla::AudioSessionConduit *>(audio_conduit_.get())->
   1.311 +        ConfigureRecvMediaCodecs(codecs);
   1.312 +    EXPECT_EQ(mozilla::kMediaConduitNoError, err);
   1.313 +
   1.314 +    std::string test_pc("PC");
   1.315 +
   1.316 +    if (aIsRtcpMux) {
   1.317 +      ASSERT_FALSE(audio_rtcp_transport_.flow_);
   1.318 +    }
   1.319 +
   1.320 +    // For now, assume bundle always uses rtcp mux
   1.321 +    RefPtr<TransportFlow> dummy;
   1.322 +    RefPtr<TransportFlow> bundle_transport;
   1.323 +    if (bundle_filter_) {
   1.324 +      bundle_transport = bundle_transport_.flow_;
   1.325 +      bundle_filter_->AddLocalSSRC(GetLocalSSRC());
   1.326 +    }
   1.327 +
   1.328 +    audio_pipeline_ = new mozilla::MediaPipelineReceiveAudio(
   1.329 +        test_pc,
   1.330 +        nullptr,
   1.331 +        test_utils->sts_target(),
   1.332 +        audio_->GetStream(), 1, 1,
   1.333 +        static_cast<mozilla::AudioSessionConduit *>(audio_conduit_.get()),
   1.334 +        audio_rtp_transport_.flow_,
   1.335 +        audio_rtcp_transport_.flow_,
   1.336 +        bundle_transport,
   1.337 +        dummy,
   1.338 +        bundle_filter_);
   1.339 +
   1.340 +    audio_pipeline_->Init();
   1.341 +  }
   1.342 +
   1.343 +  void SetBundleFilter(nsAutoPtr<MediaPipelineFilter> filter) {
   1.344 +    bundle_filter_ = filter;
   1.345 +  }
   1.346 +
   1.347 +  void SetUsingBundle_s(bool decision) {
   1.348 +    audio_pipeline_->SetUsingBundle_s(decision);
   1.349 +  }
   1.350 +
   1.351 +  void UpdateFilterFromRemoteDescription_s(
   1.352 +      nsAutoPtr<MediaPipelineFilter> filter) {
   1.353 +    audio_pipeline_->UpdateFilterFromRemoteDescription_s(filter);
   1.354 +  }
   1.355 +
   1.356 + private:
   1.357 +  nsAutoPtr<MediaPipelineFilter> bundle_filter_;
   1.358 +};
   1.359 +
   1.360 +
   1.361 +class MediaPipelineTest : public ::testing::Test {
   1.362 + public:
   1.363 +  ~MediaPipelineTest() {
   1.364 +    p1_.Stop();
   1.365 +    p2_.Stop();
   1.366 +    p1_.Shutdown();
   1.367 +    p2_.Shutdown();
   1.368 +  }
   1.369 +
   1.370 +  // Setup transport.
   1.371 +  void InitTransports(bool aIsRtcpMux) {
   1.372 +    // RTP, p1_ is server, p2_ is client
   1.373 +    mozilla::SyncRunnable::DispatchToThread(
   1.374 +      test_utils->sts_target(),
   1.375 +      WrapRunnableNM(&TestAgent::ConnectRtp, &p2_, &p1_));
   1.376 +
   1.377 +    // Create RTCP flows separately if we are not muxing them.
   1.378 +    if(!aIsRtcpMux) {
   1.379 +      // RTCP, p1_ is server, p2_ is client
   1.380 +      mozilla::SyncRunnable::DispatchToThread(
   1.381 +        test_utils->sts_target(),
   1.382 +        WrapRunnableNM(&TestAgent::ConnectRtcp, &p2_, &p1_));
   1.383 +    }
   1.384 +
   1.385 +    // BUNDLE, p1_ is server, p2_ is client
   1.386 +    mozilla::SyncRunnable::DispatchToThread(
   1.387 +      test_utils->sts_target(),
   1.388 +      WrapRunnableNM(&TestAgent::ConnectBundle, &p2_, &p1_));
   1.389 +  }
   1.390 +
   1.391 +  // Verify RTP and RTCP
   1.392 +  void TestAudioSend(bool aIsRtcpMux,
   1.393 +                     bool bundle = false,
   1.394 +                     nsAutoPtr<MediaPipelineFilter> localFilter =
   1.395 +                        nsAutoPtr<MediaPipelineFilter>(nullptr),
   1.396 +                     nsAutoPtr<MediaPipelineFilter> remoteFilter =
   1.397 +                        nsAutoPtr<MediaPipelineFilter>(nullptr),
   1.398 +                     unsigned int ms_until_answer = 500,
   1.399 +                     unsigned int ms_of_traffic_after_answer = 10000) {
   1.400 +
   1.401 +    // We do not support testing bundle without rtcp mux, since that doesn't
   1.402 +    // make any sense.
   1.403 +    ASSERT_FALSE(!aIsRtcpMux && bundle);
   1.404 +
   1.405 +    p1_.SetUsingBundle(bundle);
   1.406 +    p2_.SetBundleFilter(localFilter);
   1.407 +
   1.408 +    // Setup transport flows
   1.409 +    InitTransports(aIsRtcpMux);
   1.410 +
   1.411 +    mozilla::SyncRunnable::DispatchToThread(
   1.412 +      test_utils->sts_target(),
   1.413 +      WrapRunnable(&p1_, &TestAgent::CreatePipelines_s, aIsRtcpMux));
   1.414 +
   1.415 +    mozilla::SyncRunnable::DispatchToThread(
   1.416 +      test_utils->sts_target(),
   1.417 +      WrapRunnable(&p2_, &TestAgent::CreatePipelines_s, aIsRtcpMux));
   1.418 +
   1.419 +    p2_.Start();
   1.420 +    p1_.Start();
   1.421 +
   1.422 +    // Simulate pre-answer traffic
   1.423 +    PR_Sleep(ms_until_answer);
   1.424 +
   1.425 +    mozilla::SyncRunnable::DispatchToThread(
   1.426 +      test_utils->sts_target(),
   1.427 +      WrapRunnable(&p2_, &TestAgentReceive::SetUsingBundle_s, bundle));
   1.428 +
   1.429 +    if (bundle) {
   1.430 +      // Leaving remoteFilter not set implies we want to test sunny-day
   1.431 +      if (!remoteFilter) {
   1.432 +        remoteFilter = new MediaPipelineFilter;
   1.433 +        // Might not be safe, strictly speaking.
   1.434 +        remoteFilter->AddRemoteSSRC(p1_.GetLocalSSRC());
   1.435 +      }
   1.436 +
   1.437 +      mozilla::SyncRunnable::DispatchToThread(
   1.438 +          test_utils->sts_target(),
   1.439 +          WrapRunnable(&p2_,
   1.440 +                       &TestAgentReceive::UpdateFilterFromRemoteDescription_s,
   1.441 +                       remoteFilter));
   1.442 +    }
   1.443 +
   1.444 +
   1.445 +    // wait for some RTP/RTCP tx and rx to happen
   1.446 +    PR_Sleep(ms_of_traffic_after_answer);
   1.447 +
   1.448 +    p1_.Stop();
   1.449 +    p2_.Stop();
   1.450 +
   1.451 +    // wait for any packets in flight to arrive
   1.452 +    PR_Sleep(100);
   1.453 +
   1.454 +    p1_.Shutdown();
   1.455 +    p2_.Shutdown();
   1.456 +
   1.457 +    if (!bundle) {
   1.458 +      // If we are doing bundle, allow the test-case to do this checking.
   1.459 +      ASSERT_GE(p1_.GetAudioRtpCountSent(), 40);
   1.460 +      ASSERT_EQ(p1_.GetAudioRtpCountReceived(), p2_.GetAudioRtpCountSent());
   1.461 +      ASSERT_EQ(p1_.GetAudioRtpCountSent(), p2_.GetAudioRtpCountReceived());
   1.462 +
   1.463 +      // Calling ShutdownMedia_m on both pipelines does not stop the flow of
   1.464 +      // RTCP. So, we might be off by one here.
   1.465 +      ASSERT_LE(p2_.GetAudioRtcpCountReceived(), p1_.GetAudioRtcpCountSent());
   1.466 +      ASSERT_GE(p2_.GetAudioRtcpCountReceived() + 1, p1_.GetAudioRtcpCountSent());
   1.467 +    }
   1.468 +
   1.469 +  }
   1.470 +
   1.471 +  void TestAudioReceiverOffersBundle(bool bundle_accepted,
   1.472 +      nsAutoPtr<MediaPipelineFilter> localFilter,
   1.473 +      nsAutoPtr<MediaPipelineFilter> remoteFilter =
   1.474 +          nsAutoPtr<MediaPipelineFilter>(nullptr),
   1.475 +      unsigned int ms_until_answer = 500,
   1.476 +      unsigned int ms_of_traffic_after_answer = 10000) {
   1.477 +    TestAudioSend(true,
   1.478 +                  bundle_accepted,
   1.479 +                  localFilter,
   1.480 +                  remoteFilter,
   1.481 +                  ms_until_answer,
   1.482 +                  ms_of_traffic_after_answer);
   1.483 +  }
   1.484 +protected:
   1.485 +  TestAgentSend p1_;
   1.486 +  TestAgentReceive p2_;
   1.487 +};
   1.488 +
   1.489 +class MediaPipelineFilterTest : public ::testing::Test {
   1.490 +  public:
   1.491 +    bool Filter(MediaPipelineFilter& filter,
   1.492 +                int32_t correlator,
   1.493 +                uint32_t ssrc,
   1.494 +                uint8_t payload_type) {
   1.495 +
   1.496 +      webrtc::RTPHeader header;
   1.497 +      header.ssrc = ssrc;
   1.498 +      header.payloadType = payload_type;
   1.499 +      return filter.Filter(header, correlator);
   1.500 +    }
   1.501 +};
   1.502 +
   1.503 +TEST_F(MediaPipelineFilterTest, TestConstruct) {
   1.504 +  MediaPipelineFilter filter;
   1.505 +}
   1.506 +
   1.507 +TEST_F(MediaPipelineFilterTest, TestDefault) {
   1.508 +  MediaPipelineFilter filter;
   1.509 +  ASSERT_FALSE(Filter(filter, 0, 233, 110));
   1.510 +}
   1.511 +
   1.512 +TEST_F(MediaPipelineFilterTest, TestSSRCFilter) {
   1.513 +  MediaPipelineFilter filter;
   1.514 +  filter.AddRemoteSSRC(555);
   1.515 +  ASSERT_TRUE(Filter(filter, 0, 555, 110));
   1.516 +  ASSERT_FALSE(Filter(filter, 0, 556, 110));
   1.517 +}
   1.518 +
   1.519 +#define SSRC(ssrc) \
   1.520 +  ((ssrc >> 24) & 0xFF), \
   1.521 +  ((ssrc >> 16) & 0xFF), \
   1.522 +  ((ssrc >> 8 ) & 0xFF), \
   1.523 +  (ssrc         & 0xFF)
   1.524 +
   1.525 +#define REPORT_FRAGMENT(ssrc) \
   1.526 +  SSRC(ssrc), \
   1.527 +  0,0,0,0, \
   1.528 +  0,0,0,0, \
   1.529 +  0,0,0,0, \
   1.530 +  0,0,0,0, \
   1.531 +  0,0,0,0
   1.532 +
   1.533 +#define RTCP_TYPEINFO(num_rrs, type, size) \
   1.534 +  0x80 + num_rrs, type, 0, size
   1.535 +
   1.536 +const unsigned char rtcp_rr_s16[] = {
   1.537 +  // zero rrs, size 1 words
   1.538 +  RTCP_TYPEINFO(0, MediaPipelineFilter::RECEIVER_REPORT_T, 1),
   1.539 +  SSRC(16)
   1.540 +};
   1.541 +
   1.542 +const unsigned char rtcp_rr_s16_r17[] = {
   1.543 +  // one rr, 7 words
   1.544 +  RTCP_TYPEINFO(1, MediaPipelineFilter::RECEIVER_REPORT_T, 7),
   1.545 +  SSRC(16),
   1.546 +  REPORT_FRAGMENT(17)
   1.547 +};
   1.548 +
   1.549 +const unsigned char rtcp_rr_s16_r17_18[] = {
   1.550 +  // two rrs, size 13 words
   1.551 +  RTCP_TYPEINFO(2, MediaPipelineFilter::RECEIVER_REPORT_T, 13),
   1.552 +  SSRC(16),
   1.553 +  REPORT_FRAGMENT(17),
   1.554 +  REPORT_FRAGMENT(18)
   1.555 +};
   1.556 +
   1.557 +const unsigned char rtcp_sr_s16[] = {
   1.558 +  // zero rrs, size 6 words
   1.559 +  RTCP_TYPEINFO(0, MediaPipelineFilter::SENDER_REPORT_T, 6),
   1.560 +  REPORT_FRAGMENT(16)
   1.561 +};
   1.562 +
   1.563 +const unsigned char rtcp_sr_s16_r17[] = {
   1.564 +  // one rr, size 12 words
   1.565 +  RTCP_TYPEINFO(1, MediaPipelineFilter::SENDER_REPORT_T, 12),
   1.566 +  REPORT_FRAGMENT(16),
   1.567 +  REPORT_FRAGMENT(17)
   1.568 +};
   1.569 +
   1.570 +const unsigned char rtcp_sr_s16_r17_18[] = {
   1.571 +  // two rrs, size 18 words
   1.572 +  RTCP_TYPEINFO(2, MediaPipelineFilter::SENDER_REPORT_T, 18),
   1.573 +  REPORT_FRAGMENT(16),
   1.574 +  REPORT_FRAGMENT(17),
   1.575 +  REPORT_FRAGMENT(18)
   1.576 +};
   1.577 +
   1.578 +const unsigned char unknown_type[] = {
   1.579 +  RTCP_TYPEINFO(1, 222, 0)
   1.580 +};
   1.581 +
   1.582 +TEST_F(MediaPipelineFilterTest, TestEmptyFilterReport0) {
   1.583 +  MediaPipelineFilter filter;
   1.584 +  ASSERT_EQ(MediaPipelineFilter::FAIL,
   1.585 +            filter.FilterRTCP(rtcp_sr_s16, sizeof(rtcp_sr_s16)));
   1.586 +  ASSERT_EQ(MediaPipelineFilter::FAIL,
   1.587 +            filter.FilterRTCP(rtcp_rr_s16, sizeof(rtcp_rr_s16)));
   1.588 +}
   1.589 +
   1.590 +TEST_F(MediaPipelineFilterTest, TestFilterReport0) {
   1.591 +  MediaPipelineFilter filter;
   1.592 +  filter.AddRemoteSSRC(16);
   1.593 +  ASSERT_EQ(MediaPipelineFilter::PASS,
   1.594 +            filter.FilterRTCP(rtcp_sr_s16, sizeof(rtcp_sr_s16)));
   1.595 +  ASSERT_EQ(MediaPipelineFilter::PASS,
   1.596 +            filter.FilterRTCP(rtcp_rr_s16, sizeof(rtcp_rr_s16)));
   1.597 +}
   1.598 +
   1.599 +TEST_F(MediaPipelineFilterTest, TestFilterReport0SSRCTruncated) {
   1.600 +  MediaPipelineFilter filter;
   1.601 +  filter.AddRemoteSSRC(16);
   1.602 +  const unsigned char data[] = {
   1.603 +    RTCP_TYPEINFO(0, MediaPipelineFilter::RECEIVER_REPORT_T, 1),
   1.604 +    0,0,0
   1.605 +  };
   1.606 +  ASSERT_EQ(MediaPipelineFilter::FAIL,
   1.607 +            filter.FilterRTCP(data, sizeof(data)));
   1.608 +}
   1.609 +
   1.610 +TEST_F(MediaPipelineFilterTest, TestFilterReport0PTTruncated) {
   1.611 +  MediaPipelineFilter filter;
   1.612 +  filter.AddRemoteSSRC(16);
   1.613 +  const unsigned char data[] = {0x80};
   1.614 +  ASSERT_EQ(MediaPipelineFilter::FAIL,
   1.615 +            filter.FilterRTCP(data, sizeof(data)));
   1.616 +}
   1.617 +
   1.618 +TEST_F(MediaPipelineFilterTest, TestFilterReport0CountTruncated) {
   1.619 +  MediaPipelineFilter filter;
   1.620 +  filter.AddRemoteSSRC(16);
   1.621 +  const unsigned char data[] = {};
   1.622 +  ASSERT_EQ(MediaPipelineFilter::FAIL,
   1.623 +            filter.FilterRTCP(data, sizeof(data)));
   1.624 +}
   1.625 +
   1.626 +TEST_F(MediaPipelineFilterTest, TestFilterReport1BothMatch) {
   1.627 +  MediaPipelineFilter filter;
   1.628 +  filter.AddRemoteSSRC(16);
   1.629 +  filter.AddLocalSSRC(17);
   1.630 +  ASSERT_EQ(MediaPipelineFilter::PASS,
   1.631 +            filter.FilterRTCP(rtcp_sr_s16_r17, sizeof(rtcp_sr_s16_r17)));
   1.632 +  ASSERT_EQ(MediaPipelineFilter::PASS,
   1.633 +            filter.FilterRTCP(rtcp_rr_s16_r17, sizeof(rtcp_rr_s16_r17)));
   1.634 +}
   1.635 +
   1.636 +TEST_F(MediaPipelineFilterTest, TestFilterReport1SSRCTruncated) {
   1.637 +  MediaPipelineFilter filter;
   1.638 +  filter.AddRemoteSSRC(16);
   1.639 +  filter.AddLocalSSRC(17);
   1.640 +  const unsigned char rr[] = {
   1.641 +    RTCP_TYPEINFO(1, MediaPipelineFilter::RECEIVER_REPORT_T, 7),
   1.642 +    SSRC(16),
   1.643 +    0,0,0
   1.644 +  };
   1.645 +  ASSERT_EQ(MediaPipelineFilter::FAIL,
   1.646 +            filter.FilterRTCP(rr, sizeof(rr)));
   1.647 +  const unsigned char sr[] = {
   1.648 +    RTCP_TYPEINFO(1, MediaPipelineFilter::RECEIVER_REPORT_T, 12),
   1.649 +    REPORT_FRAGMENT(16),
   1.650 +    0,0,0
   1.651 +  };
   1.652 +  ASSERT_EQ(MediaPipelineFilter::FAIL,
   1.653 +            filter.FilterRTCP(sr, sizeof(rr)));
   1.654 +}
   1.655 +
   1.656 +TEST_F(MediaPipelineFilterTest, TestFilterReport1BigSSRC) {
   1.657 +  MediaPipelineFilter filter;
   1.658 +  filter.AddRemoteSSRC(0x01020304);
   1.659 +  filter.AddLocalSSRC(0x11121314);
   1.660 +  const unsigned char rr[] = {
   1.661 +    RTCP_TYPEINFO(1, MediaPipelineFilter::RECEIVER_REPORT_T, 7),
   1.662 +    SSRC(0x01020304),
   1.663 +    REPORT_FRAGMENT(0x11121314)
   1.664 +  };
   1.665 +  ASSERT_EQ(MediaPipelineFilter::PASS,
   1.666 +            filter.FilterRTCP(rr, sizeof(rr)));
   1.667 +  const unsigned char sr[] = {
   1.668 +    RTCP_TYPEINFO(1, MediaPipelineFilter::RECEIVER_REPORT_T, 12),
   1.669 +    SSRC(0x01020304),
   1.670 +    REPORT_FRAGMENT(0x11121314)
   1.671 +  };
   1.672 +  ASSERT_EQ(MediaPipelineFilter::PASS,
   1.673 +            filter.FilterRTCP(sr, sizeof(rr)));
   1.674 +}
   1.675 +
   1.676 +TEST_F(MediaPipelineFilterTest, TestFilterReport1LocalMatch) {
   1.677 +  MediaPipelineFilter filter;
   1.678 +  filter.AddLocalSSRC(17);
   1.679 +  ASSERT_EQ(MediaPipelineFilter::PASS,
   1.680 +            filter.FilterRTCP(rtcp_sr_s16_r17, sizeof(rtcp_sr_s16_r17)));
   1.681 +  ASSERT_EQ(MediaPipelineFilter::PASS,
   1.682 +            filter.FilterRTCP(rtcp_rr_s16_r17, sizeof(rtcp_rr_s16_r17)));
   1.683 +}
   1.684 +
   1.685 +TEST_F(MediaPipelineFilterTest, TestFilterReport1Inconsistent) {
   1.686 +  MediaPipelineFilter filter;
   1.687 +  filter.AddRemoteSSRC(16);
   1.688 +  // We assume that the filter is exactly correct in terms of local ssrcs.
   1.689 +  // So, when RTCP shows up with a remote SSRC that matches, and a local
   1.690 +  // ssrc that doesn't, we assume the other end has messed up and put ssrcs
   1.691 +  // from more than one m-line in the packet.
   1.692 +  ASSERT_EQ(MediaPipelineFilter::FAIL,
   1.693 +            filter.FilterRTCP(rtcp_sr_s16_r17, sizeof(rtcp_sr_s16_r17)));
   1.694 +  ASSERT_EQ(MediaPipelineFilter::FAIL,
   1.695 +            filter.FilterRTCP(rtcp_rr_s16_r17, sizeof(rtcp_rr_s16_r17)));
   1.696 +}
   1.697 +
   1.698 +TEST_F(MediaPipelineFilterTest, TestFilterReport1NeitherMatch) {
   1.699 +  MediaPipelineFilter filter;
   1.700 +  filter.AddRemoteSSRC(17);
   1.701 +  filter.AddLocalSSRC(18);
   1.702 +  ASSERT_EQ(MediaPipelineFilter::PASS,
   1.703 +            filter.FilterRTCP(rtcp_sr_s16_r17, sizeof(rtcp_sr_s16_r17)));
   1.704 +  ASSERT_EQ(MediaPipelineFilter::PASS,
   1.705 +            filter.FilterRTCP(rtcp_rr_s16_r17, sizeof(rtcp_rr_s16_r17)));
   1.706 +}
   1.707 +
   1.708 +TEST_F(MediaPipelineFilterTest, TestFilterReport2AllMatch) {
   1.709 +  MediaPipelineFilter filter;
   1.710 +  filter.AddRemoteSSRC(16);
   1.711 +  filter.AddLocalSSRC(17);
   1.712 +  filter.AddLocalSSRC(18);
   1.713 +  ASSERT_EQ(MediaPipelineFilter::PASS,
   1.714 +            filter.FilterRTCP(rtcp_sr_s16_r17_18,
   1.715 +                              sizeof(rtcp_sr_s16_r17_18)));
   1.716 +}
   1.717 +
   1.718 +TEST_F(MediaPipelineFilterTest, TestFilterReport2LocalMatch) {
   1.719 +  MediaPipelineFilter filter;
   1.720 +  filter.AddLocalSSRC(17);
   1.721 +  filter.AddLocalSSRC(18);
   1.722 +  ASSERT_EQ(MediaPipelineFilter::PASS,
   1.723 +            filter.FilterRTCP(rtcp_sr_s16_r17_18,
   1.724 +                              sizeof(rtcp_sr_s16_r17_18)));
   1.725 +  ASSERT_EQ(MediaPipelineFilter::PASS,
   1.726 +            filter.FilterRTCP(rtcp_rr_s16_r17_18,
   1.727 +                              sizeof(rtcp_rr_s16_r17_18)));
   1.728 +}
   1.729 +
   1.730 +TEST_F(MediaPipelineFilterTest, TestFilterReport2Inconsistent101) {
   1.731 +  MediaPipelineFilter filter;
   1.732 +  filter.AddRemoteSSRC(16);
   1.733 +  filter.AddLocalSSRC(18);
   1.734 +  ASSERT_EQ(MediaPipelineFilter::FAIL,
   1.735 +            filter.FilterRTCP(rtcp_sr_s16_r17_18,
   1.736 +                              sizeof(rtcp_sr_s16_r17_18)));
   1.737 +  ASSERT_EQ(MediaPipelineFilter::FAIL,
   1.738 +            filter.FilterRTCP(rtcp_rr_s16_r17_18,
   1.739 +                              sizeof(rtcp_rr_s16_r17_18)));
   1.740 +}
   1.741 +
   1.742 +TEST_F(MediaPipelineFilterTest, TestFilterReport2Inconsistent001) {
   1.743 +  MediaPipelineFilter filter;
   1.744 +  filter.AddLocalSSRC(18);
   1.745 +  ASSERT_EQ(MediaPipelineFilter::FAIL,
   1.746 +            filter.FilterRTCP(rtcp_sr_s16_r17_18,
   1.747 +                              sizeof(rtcp_sr_s16_r17_18)));
   1.748 +  ASSERT_EQ(MediaPipelineFilter::FAIL,
   1.749 +            filter.FilterRTCP(rtcp_rr_s16_r17_18,
   1.750 +                              sizeof(rtcp_rr_s16_r17_18)));
   1.751 +}
   1.752 +
   1.753 +TEST_F(MediaPipelineFilterTest, TestFilterUnknownRTCPType) {
   1.754 +  MediaPipelineFilter filter;
   1.755 +  filter.AddLocalSSRC(18);
   1.756 +  ASSERT_EQ(MediaPipelineFilter::UNSUPPORTED,
   1.757 +            filter.FilterRTCP(unknown_type, sizeof(unknown_type)));
   1.758 +}
   1.759 +
   1.760 +TEST_F(MediaPipelineFilterTest, TestCorrelatorFilter) {
   1.761 +  MediaPipelineFilter filter;
   1.762 +  filter.SetCorrelator(7777);
   1.763 +  ASSERT_TRUE(Filter(filter, 7777, 16, 110));
   1.764 +  ASSERT_FALSE(Filter(filter, 7778, 17, 110));
   1.765 +  // This should also have resulted in the SSRC 16 being added to the filter
   1.766 +  ASSERT_TRUE(Filter(filter, 0, 16, 110));
   1.767 +  ASSERT_FALSE(Filter(filter, 0, 17, 110));
   1.768 +
   1.769 +  // rtcp_sr_s16 has 16 as an SSRC
   1.770 +  ASSERT_EQ(MediaPipelineFilter::PASS,
   1.771 +            filter.FilterRTCP(rtcp_sr_s16, sizeof(rtcp_sr_s16)));
   1.772 +  ASSERT_EQ(MediaPipelineFilter::PASS,
   1.773 +            filter.FilterRTCP(rtcp_rr_s16, sizeof(rtcp_rr_s16)));
   1.774 +}
   1.775 +
   1.776 +TEST_F(MediaPipelineFilterTest, TestPayloadTypeFilter) {
   1.777 +  MediaPipelineFilter filter;
   1.778 +  filter.AddUniquePT(110);
   1.779 +  ASSERT_TRUE(Filter(filter, 0, 555, 110));
   1.780 +  ASSERT_FALSE(Filter(filter, 0, 556, 111));
   1.781 +}
   1.782 +
   1.783 +TEST_F(MediaPipelineFilterTest, TestPayloadTypeFilterSSRCUpdate) {
   1.784 +  MediaPipelineFilter filter;
   1.785 +  filter.AddUniquePT(110);
   1.786 +  ASSERT_TRUE(Filter(filter, 0, 16, 110));
   1.787 +
   1.788 +  // rtcp_sr_s16 has 16 as an SSRC
   1.789 +  ASSERT_EQ(MediaPipelineFilter::PASS,
   1.790 +            filter.FilterRTCP(rtcp_sr_s16, sizeof(rtcp_sr_s16)));
   1.791 +}
   1.792 +
   1.793 +TEST_F(MediaPipelineFilterTest, TestAnswerAddsSSRCs) {
   1.794 +  MediaPipelineFilter filter;
   1.795 +  filter.SetCorrelator(7777);
   1.796 +  ASSERT_TRUE(Filter(filter, 7777, 555, 110));
   1.797 +  ASSERT_FALSE(Filter(filter, 7778, 556, 110));
   1.798 +  // This should also have resulted in the SSRC 555 being added to the filter
   1.799 +  ASSERT_TRUE(Filter(filter, 0, 555, 110));
   1.800 +  ASSERT_FALSE(Filter(filter, 0, 556, 110));
   1.801 +
   1.802 +  // This sort of thing can happen when getting an answer with SSRC attrs
   1.803 +  // The answer will not contain the correlator.
   1.804 +  MediaPipelineFilter filter2;
   1.805 +  filter2.AddRemoteSSRC(555);
   1.806 +  filter2.AddRemoteSSRC(556);
   1.807 +  filter2.AddRemoteSSRC(557);
   1.808 +
   1.809 +  filter.IncorporateRemoteDescription(filter2);
   1.810 +
   1.811 +  // Ensure that the old SSRC still works.
   1.812 +  ASSERT_TRUE(Filter(filter, 0, 555, 110));
   1.813 +
   1.814 +  // Ensure that the new SSRCs work.
   1.815 +  ASSERT_TRUE(Filter(filter, 0, 556, 110));
   1.816 +  ASSERT_TRUE(Filter(filter, 0, 557, 110));
   1.817 +
   1.818 +  // Ensure that the correlator continues to work
   1.819 +  ASSERT_TRUE(Filter(filter, 7777, 558, 110));
   1.820 +}
   1.821 +
   1.822 +TEST_F(MediaPipelineFilterTest, TestSSRCMovedWithSDP) {
   1.823 +  MediaPipelineFilter filter;
   1.824 +  filter.SetCorrelator(7777);
   1.825 +  filter.AddUniquePT(111);
   1.826 +  ASSERT_TRUE(Filter(filter, 7777, 555, 110));
   1.827 +
   1.828 +  MediaPipelineFilter filter2;
   1.829 +  filter2.AddRemoteSSRC(556);
   1.830 +
   1.831 +  filter.IncorporateRemoteDescription(filter2);
   1.832 +
   1.833 +  // Ensure that the old SSRC has been removed.
   1.834 +  ASSERT_FALSE(Filter(filter, 0, 555, 110));
   1.835 +
   1.836 +  // Ensure that the new SSRC works.
   1.837 +  ASSERT_TRUE(Filter(filter, 0, 556, 110));
   1.838 +
   1.839 +  // Ensure that the correlator continues to work
   1.840 +  ASSERT_TRUE(Filter(filter, 7777, 558, 110));
   1.841 +
   1.842 +  // Ensure that the payload type mapping continues to work
   1.843 +  ASSERT_TRUE(Filter(filter, 0, 559, 111));
   1.844 +}
   1.845 +
   1.846 +TEST_F(MediaPipelineFilterTest, TestSSRCMovedWithCorrelator) {
   1.847 +  MediaPipelineFilter filter;
   1.848 +  filter.SetCorrelator(7777);
   1.849 +  ASSERT_TRUE(Filter(filter, 7777, 555, 110));
   1.850 +  ASSERT_TRUE(Filter(filter, 0, 555, 110));
   1.851 +  ASSERT_FALSE(Filter(filter, 7778, 555, 110));
   1.852 +  ASSERT_FALSE(Filter(filter, 0, 555, 110));
   1.853 +}
   1.854 +
   1.855 +TEST_F(MediaPipelineFilterTest, TestRemoteSDPNoSSRCs) {
   1.856 +  // If the remote SDP doesn't have SSRCs, right now this is a no-op and
   1.857 +  // there is no point of even incorporating a filter, but we make the
   1.858 +  // behavior consistent to avoid confusion.
   1.859 +  MediaPipelineFilter filter;
   1.860 +  filter.SetCorrelator(7777);
   1.861 +  filter.AddUniquePT(111);
   1.862 +  ASSERT_TRUE(Filter(filter, 7777, 555, 110));
   1.863 +
   1.864 +  MediaPipelineFilter filter2;
   1.865 +
   1.866 +  filter.IncorporateRemoteDescription(filter2);
   1.867 +
   1.868 +  // Ensure that the old SSRC still works.
   1.869 +  ASSERT_TRUE(Filter(filter, 7777, 555, 110));
   1.870 +}
   1.871 +
   1.872 +TEST_F(MediaPipelineTest, TestAudioSendNoMux) {
   1.873 +  TestAudioSend(false);
   1.874 +}
   1.875 +
   1.876 +TEST_F(MediaPipelineTest, TestAudioSendMux) {
   1.877 +  TestAudioSend(true);
   1.878 +}
   1.879 +
   1.880 +TEST_F(MediaPipelineTest, TestAudioSendBundleOfferedAndDeclined) {
   1.881 +  nsAutoPtr<MediaPipelineFilter> filter(new MediaPipelineFilter);
   1.882 +  TestAudioReceiverOffersBundle(false, filter);
   1.883 +}
   1.884 +
   1.885 +TEST_F(MediaPipelineTest, TestAudioSendBundleOfferedAndAccepted) {
   1.886 +  nsAutoPtr<MediaPipelineFilter> filter(new MediaPipelineFilter);
   1.887 +  // These durations have to be _extremely_ long to have any assurance that
   1.888 +  // some RTCP will be sent at all. This is because the first RTCP packet
   1.889 +  // is sometimes sent before the transports are ready, which causes it to
   1.890 +  // be dropped.
   1.891 +  TestAudioReceiverOffersBundle(true,
   1.892 +                                filter,
   1.893 +  // We do not specify the filter for the remote description, so it will be
   1.894 +  // set to something sane after a short time.
   1.895 +                                nsAutoPtr<MediaPipelineFilter>(),
   1.896 +                                10000,
   1.897 +                                10000);
   1.898 +
   1.899 +  // Some packets should have been dropped, but not all
   1.900 +  ASSERT_GT(p1_.GetAudioRtpCountSent(), p2_.GetAudioRtpCountReceived());
   1.901 +  ASSERT_GT(p2_.GetAudioRtpCountReceived(), 40);
   1.902 +  ASSERT_GT(p1_.GetAudioRtcpCountSent(), 1);
   1.903 +  ASSERT_GT(p1_.GetAudioRtcpCountSent(), p2_.GetAudioRtcpCountReceived());
   1.904 +  ASSERT_GT(p2_.GetAudioRtcpCountReceived(), 0);
   1.905 +}
   1.906 +
   1.907 +TEST_F(MediaPipelineTest, TestAudioSendBundleOfferedAndAcceptedEmptyFilter) {
   1.908 +  nsAutoPtr<MediaPipelineFilter> filter(new MediaPipelineFilter);
   1.909 +  nsAutoPtr<MediaPipelineFilter> bad_answer_filter(new MediaPipelineFilter);
   1.910 +  TestAudioReceiverOffersBundle(true, filter, bad_answer_filter);
   1.911 +  // Filter is empty, so should drop everything.
   1.912 +  ASSERT_EQ(0, p2_.GetAudioRtpCountReceived());
   1.913 +  ASSERT_EQ(0, p2_.GetAudioRtcpCountReceived());
   1.914 +}
   1.915 +
   1.916 +}  // end namespace
   1.917 +
   1.918 +
   1.919 +int main(int argc, char **argv) {
   1.920 +  test_utils = new MtransportTestUtils();
   1.921 +  // Start the tests
   1.922 +  NSS_NoDB_Init(nullptr);
   1.923 +  NSS_SetDomesticPolicy();
   1.924 +  ::testing::InitGoogleTest(&argc, argv);
   1.925 +
   1.926 +  int rv = RUN_ALL_TESTS();
   1.927 +  delete test_utils;
   1.928 +  return rv;
   1.929 +}
   1.930 +
   1.931 +
   1.932 +

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