| /* |
| * Copyright 2004 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 <string> |
| #include <vector> |
| |
| #include "webrtc/base/fakesslidentity.h" |
| #include "webrtc/base/gunit.h" |
| #include "webrtc/base/messagedigest.h" |
| #include "webrtc/base/ssladapter.h" |
| #include "webrtc/media/base/codec.h" |
| #include "webrtc/media/base/testutils.h" |
| #include "webrtc/p2p/base/p2pconstants.h" |
| #include "webrtc/p2p/base/transportdescription.h" |
| #include "webrtc/p2p/base/transportinfo.h" |
| #include "webrtc/pc/mediasession.h" |
| #include "webrtc/pc/srtpfilter.h" |
| |
| #ifdef HAVE_SRTP |
| #define ASSERT_CRYPTO(cd, s, cs) \ |
| ASSERT_EQ(cricket::CT_NONE, cd->crypto_required()); \ |
| ASSERT_EQ(s, cd->cryptos().size()); \ |
| ASSERT_EQ(std::string(cs), cd->cryptos()[0].cipher_suite) |
| #else |
| #define ASSERT_CRYPTO(cd, s, cs) \ |
| ASSERT_EQ(cricket::CT_NONE, cd->crypto_required()); \ |
| ASSERT_EQ(0U, cd->cryptos().size()); |
| #endif |
| |
| typedef std::vector<cricket::Candidate> Candidates; |
| |
| using cricket::MediaContentDescription; |
| using cricket::MediaSessionDescriptionFactory; |
| using cricket::MediaSessionOptions; |
| using cricket::MediaType; |
| using cricket::SessionDescription; |
| using cricket::SsrcGroup; |
| using cricket::StreamParams; |
| using cricket::StreamParamsVec; |
| using cricket::TransportDescription; |
| using cricket::TransportDescriptionFactory; |
| using cricket::TransportInfo; |
| using cricket::ContentInfo; |
| using cricket::CryptoParamsVec; |
| using cricket::AudioContentDescription; |
| using cricket::VideoContentDescription; |
| using cricket::DataContentDescription; |
| using cricket::GetFirstAudioContent; |
| using cricket::GetFirstVideoContent; |
| using cricket::GetFirstDataContent; |
| using cricket::GetFirstAudioContentDescription; |
| using cricket::GetFirstVideoContentDescription; |
| using cricket::GetFirstDataContentDescription; |
| using cricket::kAutoBandwidth; |
| using cricket::AudioCodec; |
| using cricket::VideoCodec; |
| using cricket::DataCodec; |
| using cricket::NS_JINGLE_RTP; |
| using cricket::MEDIA_TYPE_AUDIO; |
| using cricket::MEDIA_TYPE_VIDEO; |
| using cricket::MEDIA_TYPE_DATA; |
| using cricket::RtpHeaderExtension; |
| using cricket::SEC_DISABLED; |
| using cricket::SEC_ENABLED; |
| using cricket::SEC_REQUIRED; |
| using rtc::CS_AES_CM_128_HMAC_SHA1_32; |
| using rtc::CS_AES_CM_128_HMAC_SHA1_80; |
| |
| static const AudioCodec kAudioCodecs1[] = { |
| AudioCodec(103, "ISAC", 16000, -1, 1), |
| AudioCodec(102, "iLBC", 8000, 13300, 1), |
| AudioCodec(0, "PCMU", 8000, 64000, 1), |
| AudioCodec(8, "PCMA", 8000, 64000, 1), |
| AudioCodec(117, "red", 8000, 0, 1), |
| AudioCodec(107, "CN", 48000, 0, 1)}; |
| |
| static const AudioCodec kAudioCodecs2[] = { |
| AudioCodec(126, "speex", 16000, 22000, 1), |
| AudioCodec(0, "PCMU", 8000, 64000, 1), |
| AudioCodec(127, "iLBC", 8000, 13300, 1), |
| }; |
| |
| static const AudioCodec kAudioCodecsAnswer[] = { |
| AudioCodec(102, "iLBC", 8000, 13300, 1), |
| AudioCodec(0, "PCMU", 8000, 64000, 1), |
| }; |
| |
| static const VideoCodec kVideoCodecs1[] = { |
| VideoCodec(96, "H264-SVC", 320, 200, 30), |
| VideoCodec(97, "H264", 320, 200, 30)}; |
| |
| static const VideoCodec kVideoCodecs2[] = { |
| VideoCodec(126, "H264", 320, 200, 30), |
| VideoCodec(127, "H263", 320, 200, 30)}; |
| |
| static const VideoCodec kVideoCodecsAnswer[] = { |
| VideoCodec(97, "H264", 320, 200, 30)}; |
| |
| static const DataCodec kDataCodecs1[] = {DataCodec(98, "binary-data"), |
| DataCodec(99, "utf8-text")}; |
| |
| static const DataCodec kDataCodecs2[] = {DataCodec(126, "binary-data"), |
| DataCodec(127, "utf8-text")}; |
| |
| static const DataCodec kDataCodecsAnswer[] = {DataCodec(98, "binary-data"), |
| DataCodec(99, "utf8-text")}; |
| |
| static const RtpHeaderExtension kAudioRtpExtension1[] = { |
| RtpHeaderExtension("urn:ietf:params:rtp-hdrext:ssrc-audio-level", 8), |
| RtpHeaderExtension("http://google.com/testing/audio_something", 10), |
| }; |
| |
| static const RtpHeaderExtension kAudioRtpExtension2[] = { |
| RtpHeaderExtension("urn:ietf:params:rtp-hdrext:ssrc-audio-level", 2), |
| RtpHeaderExtension("http://google.com/testing/audio_something_else", 8), |
| RtpHeaderExtension("http://google.com/testing/both_audio_and_video", 7), |
| }; |
| |
| static const RtpHeaderExtension kAudioRtpExtension3[] = { |
| RtpHeaderExtension("http://google.com/testing/audio_something", 2), |
| RtpHeaderExtension("http://google.com/testing/both_audio_and_video", 3), |
| }; |
| |
| static const RtpHeaderExtension kAudioRtpExtensionAnswer[] = { |
| RtpHeaderExtension("urn:ietf:params:rtp-hdrext:ssrc-audio-level", 8), |
| }; |
| |
| static const RtpHeaderExtension kVideoRtpExtension1[] = { |
| RtpHeaderExtension("urn:ietf:params:rtp-hdrext:toffset", 14), |
| RtpHeaderExtension("http://google.com/testing/video_something", 13), |
| }; |
| |
| static const RtpHeaderExtension kVideoRtpExtension2[] = { |
| RtpHeaderExtension("urn:ietf:params:rtp-hdrext:toffset", 2), |
| RtpHeaderExtension("http://google.com/testing/video_something_else", 14), |
| RtpHeaderExtension("http://google.com/testing/both_audio_and_video", 7), |
| }; |
| |
| static const RtpHeaderExtension kVideoRtpExtension3[] = { |
| RtpHeaderExtension("http://google.com/testing/video_something", 4), |
| RtpHeaderExtension("http://google.com/testing/both_audio_and_video", 5), |
| }; |
| |
| static const RtpHeaderExtension kVideoRtpExtensionAnswer[] = { |
| RtpHeaderExtension("urn:ietf:params:rtp-hdrext:toffset", 14), |
| }; |
| |
| static const uint32_t kSimulcastParamsSsrc[] = {10, 11, 20, 21, 30, 31}; |
| static const uint32_t kSimSsrc[] = {10, 20, 30}; |
| static const uint32_t kFec1Ssrc[] = {10, 11}; |
| static const uint32_t kFec2Ssrc[] = {20, 21}; |
| static const uint32_t kFec3Ssrc[] = {30, 31}; |
| |
| static const char kMediaStream1[] = "stream_1"; |
| static const char kMediaStream2[] = "stream_2"; |
| static const char kVideoTrack1[] = "video_1"; |
| static const char kVideoTrack2[] = "video_2"; |
| static const char kAudioTrack1[] = "audio_1"; |
| static const char kAudioTrack2[] = "audio_2"; |
| static const char kAudioTrack3[] = "audio_3"; |
| static const char kDataTrack1[] = "data_1"; |
| static const char kDataTrack2[] = "data_2"; |
| static const char kDataTrack3[] = "data_3"; |
| |
| static const char* kMediaProtocols[] = {"RTP/AVP", "RTP/SAVP", "RTP/AVPF", |
| "RTP/SAVPF"}; |
| static const char* kMediaProtocolsDtls[] = { |
| "TCP/TLS/RTP/SAVPF", "TCP/TLS/RTP/SAVP", "UDP/TLS/RTP/SAVPF", |
| "UDP/TLS/RTP/SAVP"}; |
| |
| static bool IsMediaContentOfType(const ContentInfo* content, |
| MediaType media_type) { |
| const MediaContentDescription* mdesc = |
| static_cast<const MediaContentDescription*>(content->description); |
| return mdesc && mdesc->type() == media_type; |
| } |
| |
| static cricket::MediaContentDirection |
| GetMediaDirection(const ContentInfo* content) { |
| cricket::MediaContentDescription* desc = |
| reinterpret_cast<cricket::MediaContentDescription*>(content->description); |
| return desc->direction(); |
| } |
| |
| static void AddRtxCodec(const VideoCodec& rtx_codec, |
| std::vector<VideoCodec>* codecs) { |
| VideoCodec rtx; |
| ASSERT_FALSE(cricket::FindCodecById(*codecs, rtx_codec.id, &rtx)); |
| codecs->push_back(rtx_codec); |
| } |
| |
| template <class T> |
| static std::vector<std::string> GetCodecNames(const std::vector<T>& codecs) { |
| std::vector<std::string> codec_names; |
| for (const auto& codec : codecs) { |
| codec_names.push_back(codec.name); |
| } |
| return codec_names; |
| } |
| |
| class MediaSessionDescriptionFactoryTest : public testing::Test { |
| public: |
| MediaSessionDescriptionFactoryTest() |
| : f1_(&tdf1_), |
| f2_(&tdf2_) { |
| f1_.set_audio_codecs(MAKE_VECTOR(kAudioCodecs1)); |
| f1_.set_video_codecs(MAKE_VECTOR(kVideoCodecs1)); |
| f1_.set_data_codecs(MAKE_VECTOR(kDataCodecs1)); |
| f2_.set_audio_codecs(MAKE_VECTOR(kAudioCodecs2)); |
| f2_.set_video_codecs(MAKE_VECTOR(kVideoCodecs2)); |
| f2_.set_data_codecs(MAKE_VECTOR(kDataCodecs2)); |
| tdf1_.set_certificate(rtc::RTCCertificate::Create( |
| std::unique_ptr<rtc::SSLIdentity>(new rtc::FakeSSLIdentity("id1")))); |
| tdf2_.set_certificate(rtc::RTCCertificate::Create( |
| std::unique_ptr<rtc::SSLIdentity>(new rtc::FakeSSLIdentity("id2")))); |
| } |
| |
| // Create a video StreamParamsVec object with: |
| // - one video stream with 3 simulcast streams and FEC, |
| StreamParamsVec CreateComplexVideoStreamParamsVec() { |
| SsrcGroup sim_group("SIM", MAKE_VECTOR(kSimSsrc)); |
| SsrcGroup fec_group1("FEC", MAKE_VECTOR(kFec1Ssrc)); |
| SsrcGroup fec_group2("FEC", MAKE_VECTOR(kFec2Ssrc)); |
| SsrcGroup fec_group3("FEC", MAKE_VECTOR(kFec3Ssrc)); |
| |
| std::vector<SsrcGroup> ssrc_groups; |
| ssrc_groups.push_back(sim_group); |
| ssrc_groups.push_back(fec_group1); |
| ssrc_groups.push_back(fec_group2); |
| ssrc_groups.push_back(fec_group3); |
| |
| StreamParams simulcast_params; |
| simulcast_params.id = kVideoTrack1; |
| simulcast_params.ssrcs = MAKE_VECTOR(kSimulcastParamsSsrc); |
| simulcast_params.ssrc_groups = ssrc_groups; |
| simulcast_params.cname = "Video_SIM_FEC"; |
| simulcast_params.sync_label = kMediaStream1; |
| |
| StreamParamsVec video_streams; |
| video_streams.push_back(simulcast_params); |
| |
| return video_streams; |
| } |
| |
| bool CompareCryptoParams(const CryptoParamsVec& c1, |
| const CryptoParamsVec& c2) { |
| if (c1.size() != c2.size()) |
| return false; |
| for (size_t i = 0; i < c1.size(); ++i) |
| if (c1[i].tag != c2[i].tag || c1[i].cipher_suite != c2[i].cipher_suite || |
| c1[i].key_params != c2[i].key_params || |
| c1[i].session_params != c2[i].session_params) |
| return false; |
| return true; |
| } |
| |
| void TestTransportInfo(bool offer, const MediaSessionOptions& options, |
| bool has_current_desc) { |
| const std::string current_audio_ufrag = "current_audio_ufrag"; |
| const std::string current_audio_pwd = "current_audio_pwd"; |
| const std::string current_video_ufrag = "current_video_ufrag"; |
| const std::string current_video_pwd = "current_video_pwd"; |
| const std::string current_data_ufrag = "current_data_ufrag"; |
| const std::string current_data_pwd = "current_data_pwd"; |
| std::unique_ptr<SessionDescription> current_desc; |
| std::unique_ptr<SessionDescription> desc; |
| if (has_current_desc) { |
| current_desc.reset(new SessionDescription()); |
| EXPECT_TRUE(current_desc->AddTransportInfo( |
| TransportInfo("audio", |
| TransportDescription(current_audio_ufrag, |
| current_audio_pwd)))); |
| EXPECT_TRUE(current_desc->AddTransportInfo( |
| TransportInfo("video", |
| TransportDescription(current_video_ufrag, |
| current_video_pwd)))); |
| EXPECT_TRUE(current_desc->AddTransportInfo( |
| TransportInfo("data", |
| TransportDescription(current_data_ufrag, |
| current_data_pwd)))); |
| } |
| if (offer) { |
| desc.reset(f1_.CreateOffer(options, current_desc.get())); |
| } else { |
| std::unique_ptr<SessionDescription> offer; |
| offer.reset(f1_.CreateOffer(options, NULL)); |
| desc.reset(f1_.CreateAnswer(offer.get(), options, current_desc.get())); |
| } |
| ASSERT_TRUE(desc.get() != NULL); |
| const TransportInfo* ti_audio = desc->GetTransportInfoByName("audio"); |
| if (options.has_audio()) { |
| EXPECT_TRUE(ti_audio != NULL); |
| if (has_current_desc) { |
| EXPECT_EQ(current_audio_ufrag, ti_audio->description.ice_ufrag); |
| EXPECT_EQ(current_audio_pwd, ti_audio->description.ice_pwd); |
| } else { |
| EXPECT_EQ(static_cast<size_t>(cricket::ICE_UFRAG_LENGTH), |
| ti_audio->description.ice_ufrag.size()); |
| EXPECT_EQ(static_cast<size_t>(cricket::ICE_PWD_LENGTH), |
| ti_audio->description.ice_pwd.size()); |
| } |
| |
| } else { |
| EXPECT_TRUE(ti_audio == NULL); |
| } |
| const TransportInfo* ti_video = desc->GetTransportInfoByName("video"); |
| if (options.has_video()) { |
| EXPECT_TRUE(ti_video != NULL); |
| if (options.bundle_enabled) { |
| EXPECT_EQ(ti_audio->description.ice_ufrag, |
| ti_video->description.ice_ufrag); |
| EXPECT_EQ(ti_audio->description.ice_pwd, |
| ti_video->description.ice_pwd); |
| } else { |
| if (has_current_desc) { |
| EXPECT_EQ(current_video_ufrag, ti_video->description.ice_ufrag); |
| EXPECT_EQ(current_video_pwd, ti_video->description.ice_pwd); |
| } else { |
| EXPECT_EQ(static_cast<size_t>(cricket::ICE_UFRAG_LENGTH), |
| ti_video->description.ice_ufrag.size()); |
| EXPECT_EQ(static_cast<size_t>(cricket::ICE_PWD_LENGTH), |
| ti_video->description.ice_pwd.size()); |
| } |
| } |
| } else { |
| EXPECT_TRUE(ti_video == NULL); |
| } |
| const TransportInfo* ti_data = desc->GetTransportInfoByName("data"); |
| if (options.has_data()) { |
| EXPECT_TRUE(ti_data != NULL); |
| if (options.bundle_enabled) { |
| EXPECT_EQ(ti_audio->description.ice_ufrag, |
| ti_data->description.ice_ufrag); |
| EXPECT_EQ(ti_audio->description.ice_pwd, |
| ti_data->description.ice_pwd); |
| } else { |
| if (has_current_desc) { |
| EXPECT_EQ(current_data_ufrag, ti_data->description.ice_ufrag); |
| EXPECT_EQ(current_data_pwd, ti_data->description.ice_pwd); |
| } else { |
| EXPECT_EQ(static_cast<size_t>(cricket::ICE_UFRAG_LENGTH), |
| ti_data->description.ice_ufrag.size()); |
| EXPECT_EQ(static_cast<size_t>(cricket::ICE_PWD_LENGTH), |
| ti_data->description.ice_pwd.size()); |
| } |
| } |
| } else { |
| EXPECT_TRUE(ti_video == NULL); |
| } |
| } |
| |
| void TestCryptoWithBundle(bool offer) { |
| f1_.set_secure(SEC_ENABLED); |
| MediaSessionOptions options; |
| options.recv_audio = true; |
| options.recv_video = true; |
| options.data_channel_type = cricket::DCT_RTP; |
| std::unique_ptr<SessionDescription> ref_desc; |
| std::unique_ptr<SessionDescription> desc; |
| if (offer) { |
| options.bundle_enabled = false; |
| ref_desc.reset(f1_.CreateOffer(options, NULL)); |
| options.bundle_enabled = true; |
| desc.reset(f1_.CreateOffer(options, ref_desc.get())); |
| } else { |
| options.bundle_enabled = true; |
| ref_desc.reset(f1_.CreateOffer(options, NULL)); |
| desc.reset(f1_.CreateAnswer(ref_desc.get(), options, NULL)); |
| } |
| ASSERT_TRUE(desc.get() != NULL); |
| const cricket::MediaContentDescription* audio_media_desc = |
| static_cast<const cricket::MediaContentDescription*>( |
| desc.get()->GetContentDescriptionByName("audio")); |
| ASSERT_TRUE(audio_media_desc != NULL); |
| const cricket::MediaContentDescription* video_media_desc = |
| static_cast<const cricket::MediaContentDescription*>( |
| desc.get()->GetContentDescriptionByName("video")); |
| ASSERT_TRUE(video_media_desc != NULL); |
| EXPECT_TRUE(CompareCryptoParams(audio_media_desc->cryptos(), |
| video_media_desc->cryptos())); |
| EXPECT_EQ(1u, audio_media_desc->cryptos().size()); |
| EXPECT_EQ(std::string(CS_AES_CM_128_HMAC_SHA1_80), |
| audio_media_desc->cryptos()[0].cipher_suite); |
| |
| // Verify the selected crypto is one from the reference audio |
| // media content. |
| const cricket::MediaContentDescription* ref_audio_media_desc = |
| static_cast<const cricket::MediaContentDescription*>( |
| ref_desc.get()->GetContentDescriptionByName("audio")); |
| bool found = false; |
| for (size_t i = 0; i < ref_audio_media_desc->cryptos().size(); ++i) { |
| if (ref_audio_media_desc->cryptos()[i].Matches( |
| audio_media_desc->cryptos()[0])) { |
| found = true; |
| break; |
| } |
| } |
| EXPECT_TRUE(found); |
| } |
| |
| // This test that the audio and video media direction is set to |
| // |expected_direction_in_answer| in an answer if the offer direction is set |
| // to |direction_in_offer|. |
| void TestMediaDirectionInAnswer( |
| cricket::MediaContentDirection direction_in_offer, |
| cricket::MediaContentDirection expected_direction_in_answer) { |
| MediaSessionOptions opts; |
| opts.recv_video = true; |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(opts, NULL)); |
| ASSERT_TRUE(offer.get() != NULL); |
| ContentInfo* ac_offer = offer->GetContentByName("audio"); |
| ASSERT_TRUE(ac_offer != NULL); |
| AudioContentDescription* acd_offer = |
| static_cast<AudioContentDescription*>(ac_offer->description); |
| acd_offer->set_direction(direction_in_offer); |
| ContentInfo* vc_offer = offer->GetContentByName("video"); |
| ASSERT_TRUE(vc_offer != NULL); |
| VideoContentDescription* vcd_offer = |
| static_cast<VideoContentDescription*>(vc_offer->description); |
| vcd_offer->set_direction(direction_in_offer); |
| |
| std::unique_ptr<SessionDescription> answer( |
| f2_.CreateAnswer(offer.get(), opts, NULL)); |
| const AudioContentDescription* acd_answer = |
| GetFirstAudioContentDescription(answer.get()); |
| EXPECT_EQ(expected_direction_in_answer, acd_answer->direction()); |
| const VideoContentDescription* vcd_answer = |
| GetFirstVideoContentDescription(answer.get()); |
| EXPECT_EQ(expected_direction_in_answer, vcd_answer->direction()); |
| } |
| |
| bool VerifyNoCNCodecs(const cricket::ContentInfo* content) { |
| const cricket::ContentDescription* description = content->description; |
| ASSERT(description != NULL); |
| const cricket::AudioContentDescription* audio_content_desc = |
| static_cast<const cricket::AudioContentDescription*>(description); |
| ASSERT(audio_content_desc != NULL); |
| for (size_t i = 0; i < audio_content_desc->codecs().size(); ++i) { |
| if (audio_content_desc->codecs()[i].name == "CN") |
| return false; |
| } |
| return true; |
| } |
| |
| protected: |
| MediaSessionDescriptionFactory f1_; |
| MediaSessionDescriptionFactory f2_; |
| TransportDescriptionFactory tdf1_; |
| TransportDescriptionFactory tdf2_; |
| }; |
| |
| // Create a typical audio offer, and ensure it matches what we expect. |
| TEST_F(MediaSessionDescriptionFactoryTest, TestCreateAudioOffer) { |
| f1_.set_secure(SEC_ENABLED); |
| std::unique_ptr<SessionDescription> offer( |
| f1_.CreateOffer(MediaSessionOptions(), NULL)); |
| ASSERT_TRUE(offer.get() != NULL); |
| const ContentInfo* ac = offer->GetContentByName("audio"); |
| const ContentInfo* vc = offer->GetContentByName("video"); |
| ASSERT_TRUE(ac != NULL); |
| ASSERT_TRUE(vc == NULL); |
| EXPECT_EQ(std::string(NS_JINGLE_RTP), ac->type); |
| const AudioContentDescription* acd = |
| static_cast<const AudioContentDescription*>(ac->description); |
| EXPECT_EQ(MEDIA_TYPE_AUDIO, acd->type()); |
| EXPECT_EQ(f1_.audio_codecs(), acd->codecs()); |
| EXPECT_NE(0U, acd->first_ssrc()); // a random nonzero ssrc |
| EXPECT_EQ(kAutoBandwidth, acd->bandwidth()); // default bandwidth (auto) |
| EXPECT_TRUE(acd->rtcp_mux()); // rtcp-mux defaults on |
| ASSERT_CRYPTO(acd, 2U, CS_AES_CM_128_HMAC_SHA1_32); |
| EXPECT_EQ(std::string(cricket::kMediaProtocolSavpf), acd->protocol()); |
| } |
| |
| // Create a typical video offer, and ensure it matches what we expect. |
| TEST_F(MediaSessionDescriptionFactoryTest, TestCreateVideoOffer) { |
| MediaSessionOptions opts; |
| opts.recv_video = true; |
| f1_.set_secure(SEC_ENABLED); |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(opts, NULL)); |
| ASSERT_TRUE(offer.get() != NULL); |
| const ContentInfo* ac = offer->GetContentByName("audio"); |
| const ContentInfo* vc = offer->GetContentByName("video"); |
| ASSERT_TRUE(ac != NULL); |
| ASSERT_TRUE(vc != NULL); |
| EXPECT_EQ(std::string(NS_JINGLE_RTP), ac->type); |
| EXPECT_EQ(std::string(NS_JINGLE_RTP), vc->type); |
| const AudioContentDescription* acd = |
| static_cast<const AudioContentDescription*>(ac->description); |
| const VideoContentDescription* vcd = |
| static_cast<const VideoContentDescription*>(vc->description); |
| EXPECT_EQ(MEDIA_TYPE_AUDIO, acd->type()); |
| EXPECT_EQ(f1_.audio_codecs(), acd->codecs()); |
| EXPECT_NE(0U, acd->first_ssrc()); // a random nonzero ssrc |
| EXPECT_EQ(kAutoBandwidth, acd->bandwidth()); // default bandwidth (auto) |
| EXPECT_TRUE(acd->rtcp_mux()); // rtcp-mux defaults on |
| ASSERT_CRYPTO(acd, 2U, CS_AES_CM_128_HMAC_SHA1_32); |
| EXPECT_EQ(std::string(cricket::kMediaProtocolSavpf), acd->protocol()); |
| EXPECT_EQ(MEDIA_TYPE_VIDEO, vcd->type()); |
| EXPECT_EQ(f1_.video_codecs(), vcd->codecs()); |
| EXPECT_NE(0U, vcd->first_ssrc()); // a random nonzero ssrc |
| EXPECT_EQ(kAutoBandwidth, vcd->bandwidth()); // default bandwidth (auto) |
| EXPECT_TRUE(vcd->rtcp_mux()); // rtcp-mux defaults on |
| ASSERT_CRYPTO(vcd, 1U, CS_AES_CM_128_HMAC_SHA1_80); |
| EXPECT_EQ(std::string(cricket::kMediaProtocolSavpf), vcd->protocol()); |
| } |
| |
| // Test creating an offer with bundle where the Codecs have the same dynamic |
| // RTP playlod type. The test verifies that the offer don't contain the |
| // duplicate RTP payload types. |
| TEST_F(MediaSessionDescriptionFactoryTest, TestBundleOfferWithSameCodecPlType) { |
| const VideoCodec& offered_video_codec = f2_.video_codecs()[0]; |
| const AudioCodec& offered_audio_codec = f2_.audio_codecs()[0]; |
| const DataCodec& offered_data_codec = f2_.data_codecs()[0]; |
| ASSERT_EQ(offered_video_codec.id, offered_audio_codec.id); |
| ASSERT_EQ(offered_video_codec.id, offered_data_codec.id); |
| |
| MediaSessionOptions opts; |
| opts.recv_audio = true; |
| opts.recv_video = true; |
| opts.data_channel_type = cricket::DCT_RTP; |
| opts.bundle_enabled = true; |
| std::unique_ptr<SessionDescription> offer(f2_.CreateOffer(opts, NULL)); |
| const VideoContentDescription* vcd = |
| GetFirstVideoContentDescription(offer.get()); |
| const AudioContentDescription* acd = |
| GetFirstAudioContentDescription(offer.get()); |
| const DataContentDescription* dcd = |
| GetFirstDataContentDescription(offer.get()); |
| ASSERT_TRUE(NULL != vcd); |
| ASSERT_TRUE(NULL != acd); |
| ASSERT_TRUE(NULL != dcd); |
| EXPECT_NE(vcd->codecs()[0].id, acd->codecs()[0].id); |
| EXPECT_NE(vcd->codecs()[0].id, dcd->codecs()[0].id); |
| EXPECT_NE(acd->codecs()[0].id, dcd->codecs()[0].id); |
| EXPECT_EQ(vcd->codecs()[0].name, offered_video_codec.name); |
| EXPECT_EQ(acd->codecs()[0].name, offered_audio_codec.name); |
| EXPECT_EQ(dcd->codecs()[0].name, offered_data_codec.name); |
| } |
| |
| // Test creating an updated offer with with bundle, audio, video and data |
| // after an audio only session has been negotiated. |
| TEST_F(MediaSessionDescriptionFactoryTest, |
| TestCreateUpdatedVideoOfferWithBundle) { |
| f1_.set_secure(SEC_ENABLED); |
| f2_.set_secure(SEC_ENABLED); |
| MediaSessionOptions opts; |
| opts.recv_audio = true; |
| opts.recv_video = false; |
| opts.data_channel_type = cricket::DCT_NONE; |
| opts.bundle_enabled = true; |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(opts, NULL)); |
| std::unique_ptr<SessionDescription> answer( |
| f2_.CreateAnswer(offer.get(), opts, NULL)); |
| |
| MediaSessionOptions updated_opts; |
| updated_opts.recv_audio = true; |
| updated_opts.recv_video = true; |
| updated_opts.data_channel_type = cricket::DCT_RTP; |
| updated_opts.bundle_enabled = true; |
| std::unique_ptr<SessionDescription> updated_offer( |
| f1_.CreateOffer(updated_opts, answer.get())); |
| |
| const AudioContentDescription* acd = |
| GetFirstAudioContentDescription(updated_offer.get()); |
| const VideoContentDescription* vcd = |
| GetFirstVideoContentDescription(updated_offer.get()); |
| const DataContentDescription* dcd = |
| GetFirstDataContentDescription(updated_offer.get()); |
| EXPECT_TRUE(NULL != vcd); |
| EXPECT_TRUE(NULL != acd); |
| EXPECT_TRUE(NULL != dcd); |
| |
| ASSERT_CRYPTO(acd, 1U, CS_AES_CM_128_HMAC_SHA1_80); |
| EXPECT_EQ(std::string(cricket::kMediaProtocolSavpf), acd->protocol()); |
| ASSERT_CRYPTO(vcd, 1U, CS_AES_CM_128_HMAC_SHA1_80); |
| EXPECT_EQ(std::string(cricket::kMediaProtocolSavpf), vcd->protocol()); |
| ASSERT_CRYPTO(dcd, 1U, CS_AES_CM_128_HMAC_SHA1_80); |
| EXPECT_EQ(std::string(cricket::kMediaProtocolSavpf), dcd->protocol()); |
| } |
| |
| // Create a RTP data offer, and ensure it matches what we expect. |
| TEST_F(MediaSessionDescriptionFactoryTest, TestCreateRtpDataOffer) { |
| MediaSessionOptions opts; |
| opts.data_channel_type = cricket::DCT_RTP; |
| f1_.set_secure(SEC_ENABLED); |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(opts, NULL)); |
| ASSERT_TRUE(offer.get() != NULL); |
| const ContentInfo* ac = offer->GetContentByName("audio"); |
| const ContentInfo* dc = offer->GetContentByName("data"); |
| ASSERT_TRUE(ac != NULL); |
| ASSERT_TRUE(dc != NULL); |
| EXPECT_EQ(std::string(NS_JINGLE_RTP), ac->type); |
| EXPECT_EQ(std::string(NS_JINGLE_RTP), dc->type); |
| const AudioContentDescription* acd = |
| static_cast<const AudioContentDescription*>(ac->description); |
| const DataContentDescription* dcd = |
| static_cast<const DataContentDescription*>(dc->description); |
| EXPECT_EQ(MEDIA_TYPE_AUDIO, acd->type()); |
| EXPECT_EQ(f1_.audio_codecs(), acd->codecs()); |
| EXPECT_NE(0U, acd->first_ssrc()); // a random nonzero ssrc |
| EXPECT_EQ(kAutoBandwidth, acd->bandwidth()); // default bandwidth (auto) |
| EXPECT_TRUE(acd->rtcp_mux()); // rtcp-mux defaults on |
| ASSERT_CRYPTO(acd, 2U, CS_AES_CM_128_HMAC_SHA1_32); |
| EXPECT_EQ(std::string(cricket::kMediaProtocolSavpf), acd->protocol()); |
| EXPECT_EQ(MEDIA_TYPE_DATA, dcd->type()); |
| EXPECT_EQ(f1_.data_codecs(), dcd->codecs()); |
| EXPECT_NE(0U, dcd->first_ssrc()); // a random nonzero ssrc |
| EXPECT_EQ(cricket::kDataMaxBandwidth, |
| dcd->bandwidth()); // default bandwidth (auto) |
| EXPECT_TRUE(dcd->rtcp_mux()); // rtcp-mux defaults on |
| ASSERT_CRYPTO(dcd, 1U, CS_AES_CM_128_HMAC_SHA1_80); |
| EXPECT_EQ(std::string(cricket::kMediaProtocolSavpf), dcd->protocol()); |
| } |
| |
| // Create an SCTP data offer with bundle without error. |
| TEST_F(MediaSessionDescriptionFactoryTest, TestCreateSctpDataOffer) { |
| MediaSessionOptions opts; |
| opts.recv_audio = false; |
| opts.bundle_enabled = true; |
| opts.data_channel_type = cricket::DCT_SCTP; |
| f1_.set_secure(SEC_ENABLED); |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(opts, NULL)); |
| EXPECT_TRUE(offer.get() != NULL); |
| EXPECT_TRUE(offer->GetContentByName("data") != NULL); |
| } |
| |
| // Test creating an sctp data channel from an already generated offer. |
| TEST_F(MediaSessionDescriptionFactoryTest, TestCreateImplicitSctpDataOffer) { |
| MediaSessionOptions opts; |
| opts.recv_audio = false; |
| opts.bundle_enabled = true; |
| opts.data_channel_type = cricket::DCT_SCTP; |
| f1_.set_secure(SEC_ENABLED); |
| std::unique_ptr<SessionDescription> offer1(f1_.CreateOffer(opts, NULL)); |
| ASSERT_TRUE(offer1.get() != NULL); |
| const ContentInfo* data = offer1->GetContentByName("data"); |
| ASSERT_TRUE(data != NULL); |
| const MediaContentDescription* mdesc = |
| static_cast<const MediaContentDescription*>(data->description); |
| ASSERT_EQ(cricket::kMediaProtocolSctp, mdesc->protocol()); |
| |
| // Now set data_channel_type to 'none' (default) and make sure that the |
| // datachannel type that gets generated from the previous offer, is of the |
| // same type. |
| opts.data_channel_type = cricket::DCT_NONE; |
| std::unique_ptr<SessionDescription> offer2( |
| f1_.CreateOffer(opts, offer1.get())); |
| data = offer2->GetContentByName("data"); |
| ASSERT_TRUE(data != NULL); |
| mdesc = static_cast<const MediaContentDescription*>(data->description); |
| EXPECT_EQ(cricket::kMediaProtocolSctp, mdesc->protocol()); |
| } |
| |
| // Create an audio, video offer without legacy StreamParams. |
| TEST_F(MediaSessionDescriptionFactoryTest, |
| TestCreateOfferWithoutLegacyStreams) { |
| MediaSessionOptions opts; |
| opts.recv_video = true; |
| f1_.set_add_legacy_streams(false); |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(opts, NULL)); |
| ASSERT_TRUE(offer.get() != NULL); |
| const ContentInfo* ac = offer->GetContentByName("audio"); |
| const ContentInfo* vc = offer->GetContentByName("video"); |
| ASSERT_TRUE(ac != NULL); |
| ASSERT_TRUE(vc != NULL); |
| const AudioContentDescription* acd = |
| static_cast<const AudioContentDescription*>(ac->description); |
| const VideoContentDescription* vcd = |
| static_cast<const VideoContentDescription*>(vc->description); |
| |
| EXPECT_FALSE(vcd->has_ssrcs()); // No StreamParams. |
| EXPECT_FALSE(acd->has_ssrcs()); // No StreamParams. |
| } |
| |
| // Creates an audio+video sendonly offer. |
| TEST_F(MediaSessionDescriptionFactoryTest, TestCreateSendOnlyOffer) { |
| MediaSessionOptions options; |
| options.recv_audio = false; |
| options.recv_video = false; |
| options.AddSendStream(MEDIA_TYPE_VIDEO, kVideoTrack1, kMediaStream1); |
| options.AddSendStream(MEDIA_TYPE_AUDIO, kAudioTrack1, kMediaStream1); |
| |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(options, NULL)); |
| ASSERT_TRUE(offer.get() != NULL); |
| EXPECT_EQ(2u, offer->contents().size()); |
| EXPECT_TRUE(IsMediaContentOfType(&offer->contents()[0], MEDIA_TYPE_AUDIO)); |
| EXPECT_TRUE(IsMediaContentOfType(&offer->contents()[1], MEDIA_TYPE_VIDEO)); |
| |
| EXPECT_EQ(cricket::MD_SENDONLY, GetMediaDirection(&offer->contents()[0])); |
| EXPECT_EQ(cricket::MD_SENDONLY, GetMediaDirection(&offer->contents()[1])); |
| } |
| |
| // Verifies that the order of the media contents in the current |
| // SessionDescription is preserved in the new SessionDescription. |
| TEST_F(MediaSessionDescriptionFactoryTest, TestCreateOfferContentOrder) { |
| MediaSessionOptions opts; |
| opts.recv_audio = false; |
| opts.recv_video = false; |
| opts.data_channel_type = cricket::DCT_SCTP; |
| |
| std::unique_ptr<SessionDescription> offer1(f1_.CreateOffer(opts, NULL)); |
| ASSERT_TRUE(offer1.get() != NULL); |
| EXPECT_EQ(1u, offer1->contents().size()); |
| EXPECT_TRUE(IsMediaContentOfType(&offer1->contents()[0], MEDIA_TYPE_DATA)); |
| |
| opts.recv_video = true; |
| std::unique_ptr<SessionDescription> offer2( |
| f1_.CreateOffer(opts, offer1.get())); |
| ASSERT_TRUE(offer2.get() != NULL); |
| EXPECT_EQ(2u, offer2->contents().size()); |
| EXPECT_TRUE(IsMediaContentOfType(&offer2->contents()[0], MEDIA_TYPE_DATA)); |
| EXPECT_TRUE(IsMediaContentOfType(&offer2->contents()[1], MEDIA_TYPE_VIDEO)); |
| |
| opts.recv_audio = true; |
| std::unique_ptr<SessionDescription> offer3( |
| f1_.CreateOffer(opts, offer2.get())); |
| ASSERT_TRUE(offer3.get() != NULL); |
| EXPECT_EQ(3u, offer3->contents().size()); |
| EXPECT_TRUE(IsMediaContentOfType(&offer3->contents()[0], MEDIA_TYPE_DATA)); |
| EXPECT_TRUE(IsMediaContentOfType(&offer3->contents()[1], MEDIA_TYPE_VIDEO)); |
| EXPECT_TRUE(IsMediaContentOfType(&offer3->contents()[2], MEDIA_TYPE_AUDIO)); |
| |
| // Verifies the default order is audio-video-data, so that the previous checks |
| // didn't pass by accident. |
| std::unique_ptr<SessionDescription> offer4(f1_.CreateOffer(opts, NULL)); |
| ASSERT_TRUE(offer4.get() != NULL); |
| EXPECT_EQ(3u, offer4->contents().size()); |
| EXPECT_TRUE(IsMediaContentOfType(&offer4->contents()[0], MEDIA_TYPE_AUDIO)); |
| EXPECT_TRUE(IsMediaContentOfType(&offer4->contents()[1], MEDIA_TYPE_VIDEO)); |
| EXPECT_TRUE(IsMediaContentOfType(&offer4->contents()[2], MEDIA_TYPE_DATA)); |
| } |
| |
| // Create a typical audio answer, and ensure it matches what we expect. |
| TEST_F(MediaSessionDescriptionFactoryTest, TestCreateAudioAnswer) { |
| f1_.set_secure(SEC_ENABLED); |
| f2_.set_secure(SEC_ENABLED); |
| std::unique_ptr<SessionDescription> offer( |
| f1_.CreateOffer(MediaSessionOptions(), NULL)); |
| ASSERT_TRUE(offer.get() != NULL); |
| std::unique_ptr<SessionDescription> answer( |
| f2_.CreateAnswer(offer.get(), MediaSessionOptions(), NULL)); |
| const ContentInfo* ac = answer->GetContentByName("audio"); |
| const ContentInfo* vc = answer->GetContentByName("video"); |
| ASSERT_TRUE(ac != NULL); |
| ASSERT_TRUE(vc == NULL); |
| EXPECT_EQ(std::string(NS_JINGLE_RTP), ac->type); |
| const AudioContentDescription* acd = |
| static_cast<const AudioContentDescription*>(ac->description); |
| EXPECT_EQ(MEDIA_TYPE_AUDIO, acd->type()); |
| EXPECT_EQ(MAKE_VECTOR(kAudioCodecsAnswer), acd->codecs()); |
| EXPECT_NE(0U, acd->first_ssrc()); // a random nonzero ssrc |
| EXPECT_EQ(kAutoBandwidth, acd->bandwidth()); // negotiated auto bw |
| EXPECT_TRUE(acd->rtcp_mux()); // negotiated rtcp-mux |
| ASSERT_CRYPTO(acd, 1U, CS_AES_CM_128_HMAC_SHA1_32); |
| EXPECT_EQ(std::string(cricket::kMediaProtocolSavpf), acd->protocol()); |
| } |
| |
| // Create a typical video answer, and ensure it matches what we expect. |
| TEST_F(MediaSessionDescriptionFactoryTest, TestCreateVideoAnswer) { |
| MediaSessionOptions opts; |
| opts.recv_video = true; |
| f1_.set_secure(SEC_ENABLED); |
| f2_.set_secure(SEC_ENABLED); |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(opts, NULL)); |
| ASSERT_TRUE(offer.get() != NULL); |
| std::unique_ptr<SessionDescription> answer( |
| f2_.CreateAnswer(offer.get(), opts, NULL)); |
| const ContentInfo* ac = answer->GetContentByName("audio"); |
| const ContentInfo* vc = answer->GetContentByName("video"); |
| ASSERT_TRUE(ac != NULL); |
| ASSERT_TRUE(vc != NULL); |
| EXPECT_EQ(std::string(NS_JINGLE_RTP), ac->type); |
| EXPECT_EQ(std::string(NS_JINGLE_RTP), vc->type); |
| const AudioContentDescription* acd = |
| static_cast<const AudioContentDescription*>(ac->description); |
| const VideoContentDescription* vcd = |
| static_cast<const VideoContentDescription*>(vc->description); |
| EXPECT_EQ(MEDIA_TYPE_AUDIO, acd->type()); |
| EXPECT_EQ(MAKE_VECTOR(kAudioCodecsAnswer), acd->codecs()); |
| EXPECT_EQ(kAutoBandwidth, acd->bandwidth()); // negotiated auto bw |
| EXPECT_NE(0U, acd->first_ssrc()); // a random nonzero ssrc |
| EXPECT_TRUE(acd->rtcp_mux()); // negotiated rtcp-mux |
| ASSERT_CRYPTO(acd, 1U, CS_AES_CM_128_HMAC_SHA1_32); |
| EXPECT_EQ(MEDIA_TYPE_VIDEO, vcd->type()); |
| EXPECT_EQ(MAKE_VECTOR(kVideoCodecsAnswer), vcd->codecs()); |
| EXPECT_NE(0U, vcd->first_ssrc()); // a random nonzero ssrc |
| EXPECT_TRUE(vcd->rtcp_mux()); // negotiated rtcp-mux |
| ASSERT_CRYPTO(vcd, 1U, CS_AES_CM_128_HMAC_SHA1_80); |
| EXPECT_EQ(std::string(cricket::kMediaProtocolSavpf), vcd->protocol()); |
| } |
| |
| TEST_F(MediaSessionDescriptionFactoryTest, TestCreateDataAnswer) { |
| MediaSessionOptions opts; |
| opts.data_channel_type = cricket::DCT_RTP; |
| f1_.set_secure(SEC_ENABLED); |
| f2_.set_secure(SEC_ENABLED); |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(opts, NULL)); |
| ASSERT_TRUE(offer.get() != NULL); |
| std::unique_ptr<SessionDescription> answer( |
| f2_.CreateAnswer(offer.get(), opts, NULL)); |
| const ContentInfo* ac = answer->GetContentByName("audio"); |
| const ContentInfo* vc = answer->GetContentByName("data"); |
| ASSERT_TRUE(ac != NULL); |
| ASSERT_TRUE(vc != NULL); |
| EXPECT_EQ(std::string(NS_JINGLE_RTP), ac->type); |
| EXPECT_EQ(std::string(NS_JINGLE_RTP), vc->type); |
| const AudioContentDescription* acd = |
| static_cast<const AudioContentDescription*>(ac->description); |
| const DataContentDescription* vcd = |
| static_cast<const DataContentDescription*>(vc->description); |
| EXPECT_EQ(MEDIA_TYPE_AUDIO, acd->type()); |
| EXPECT_EQ(MAKE_VECTOR(kAudioCodecsAnswer), acd->codecs()); |
| EXPECT_EQ(kAutoBandwidth, acd->bandwidth()); // negotiated auto bw |
| EXPECT_NE(0U, acd->first_ssrc()); // a random nonzero ssrc |
| EXPECT_TRUE(acd->rtcp_mux()); // negotiated rtcp-mux |
| ASSERT_CRYPTO(acd, 1U, CS_AES_CM_128_HMAC_SHA1_32); |
| EXPECT_EQ(MEDIA_TYPE_DATA, vcd->type()); |
| EXPECT_EQ(MAKE_VECTOR(kDataCodecsAnswer), vcd->codecs()); |
| EXPECT_NE(0U, vcd->first_ssrc()); // a random nonzero ssrc |
| EXPECT_TRUE(vcd->rtcp_mux()); // negotiated rtcp-mux |
| ASSERT_CRYPTO(vcd, 1U, CS_AES_CM_128_HMAC_SHA1_80); |
| EXPECT_EQ(std::string(cricket::kMediaProtocolSavpf), vcd->protocol()); |
| } |
| |
| // Verifies that the order of the media contents in the offer is preserved in |
| // the answer. |
| TEST_F(MediaSessionDescriptionFactoryTest, TestCreateAnswerContentOrder) { |
| MediaSessionOptions opts; |
| |
| // Creates a data only offer. |
| opts.recv_audio = false; |
| opts.data_channel_type = cricket::DCT_SCTP; |
| std::unique_ptr<SessionDescription> offer1(f1_.CreateOffer(opts, NULL)); |
| ASSERT_TRUE(offer1.get() != NULL); |
| |
| // Appends audio to the offer. |
| opts.recv_audio = true; |
| std::unique_ptr<SessionDescription> offer2( |
| f1_.CreateOffer(opts, offer1.get())); |
| ASSERT_TRUE(offer2.get() != NULL); |
| |
| // Appends video to the offer. |
| opts.recv_video = true; |
| std::unique_ptr<SessionDescription> offer3( |
| f1_.CreateOffer(opts, offer2.get())); |
| ASSERT_TRUE(offer3.get() != NULL); |
| |
| std::unique_ptr<SessionDescription> answer( |
| f2_.CreateAnswer(offer3.get(), opts, NULL)); |
| ASSERT_TRUE(answer.get() != NULL); |
| EXPECT_EQ(3u, answer->contents().size()); |
| EXPECT_TRUE(IsMediaContentOfType(&answer->contents()[0], MEDIA_TYPE_DATA)); |
| EXPECT_TRUE(IsMediaContentOfType(&answer->contents()[1], MEDIA_TYPE_AUDIO)); |
| EXPECT_TRUE(IsMediaContentOfType(&answer->contents()[2], MEDIA_TYPE_VIDEO)); |
| } |
| |
| // This test that the media direction is set to send/receive in an answer if |
| // the offer is send receive. |
| TEST_F(MediaSessionDescriptionFactoryTest, CreateAnswerToSendReceiveOffer) { |
| TestMediaDirectionInAnswer(cricket::MD_SENDRECV, cricket::MD_SENDRECV); |
| } |
| |
| // This test that the media direction is set to receive only in an answer if |
| // the offer is send only. |
| TEST_F(MediaSessionDescriptionFactoryTest, CreateAnswerToSendOnlyOffer) { |
| TestMediaDirectionInAnswer(cricket::MD_SENDONLY, cricket::MD_RECVONLY); |
| } |
| |
| // This test that the media direction is set to send only in an answer if |
| // the offer is recv only. |
| TEST_F(MediaSessionDescriptionFactoryTest, CreateAnswerToRecvOnlyOffer) { |
| TestMediaDirectionInAnswer(cricket::MD_RECVONLY, cricket::MD_SENDONLY); |
| } |
| |
| // This test that the media direction is set to inactive in an answer if |
| // the offer is inactive. |
| TEST_F(MediaSessionDescriptionFactoryTest, CreateAnswerToInactiveOffer) { |
| TestMediaDirectionInAnswer(cricket::MD_INACTIVE, cricket::MD_INACTIVE); |
| } |
| |
| // Test that a data content with an unknown protocol is rejected in an answer. |
| TEST_F(MediaSessionDescriptionFactoryTest, |
| CreateDataAnswerToOfferWithUnknownProtocol) { |
| MediaSessionOptions opts; |
| opts.data_channel_type = cricket::DCT_RTP; |
| opts.recv_audio = false; |
| f1_.set_secure(SEC_ENABLED); |
| f2_.set_secure(SEC_ENABLED); |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(opts, NULL)); |
| ContentInfo* dc_offer = offer->GetContentByName("data"); |
| ASSERT_TRUE(dc_offer != NULL); |
| DataContentDescription* dcd_offer = |
| static_cast<DataContentDescription*>(dc_offer->description); |
| ASSERT_TRUE(dcd_offer != NULL); |
| std::string protocol = "a weird unknown protocol"; |
| dcd_offer->set_protocol(protocol); |
| |
| std::unique_ptr<SessionDescription> answer( |
| f2_.CreateAnswer(offer.get(), opts, NULL)); |
| |
| const ContentInfo* dc_answer = answer->GetContentByName("data"); |
| ASSERT_TRUE(dc_answer != NULL); |
| EXPECT_TRUE(dc_answer->rejected); |
| const DataContentDescription* dcd_answer = |
| static_cast<const DataContentDescription*>(dc_answer->description); |
| ASSERT_TRUE(dcd_answer != NULL); |
| EXPECT_EQ(protocol, dcd_answer->protocol()); |
| } |
| |
| // Test that the media protocol is RTP/AVPF if DTLS and SDES are disabled. |
| TEST_F(MediaSessionDescriptionFactoryTest, AudioOfferAnswerWithCryptoDisabled) { |
| MediaSessionOptions opts; |
| f1_.set_secure(SEC_DISABLED); |
| f2_.set_secure(SEC_DISABLED); |
| tdf1_.set_secure(SEC_DISABLED); |
| tdf2_.set_secure(SEC_DISABLED); |
| |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(opts, NULL)); |
| const AudioContentDescription* offer_acd = |
| GetFirstAudioContentDescription(offer.get()); |
| ASSERT_TRUE(offer_acd != NULL); |
| EXPECT_EQ(std::string(cricket::kMediaProtocolAvpf), offer_acd->protocol()); |
| |
| std::unique_ptr<SessionDescription> answer( |
| f2_.CreateAnswer(offer.get(), opts, NULL)); |
| |
| const ContentInfo* ac_answer = answer->GetContentByName("audio"); |
| ASSERT_TRUE(ac_answer != NULL); |
| EXPECT_FALSE(ac_answer->rejected); |
| |
| const AudioContentDescription* answer_acd = |
| GetFirstAudioContentDescription(answer.get()); |
| ASSERT_TRUE(answer_acd != NULL); |
| EXPECT_EQ(std::string(cricket::kMediaProtocolAvpf), answer_acd->protocol()); |
| } |
| |
| // Create a video offer and answer and ensure the RTP header extensions |
| // matches what we expect. |
| TEST_F(MediaSessionDescriptionFactoryTest, TestOfferAnswerWithRtpExtensions) { |
| MediaSessionOptions opts; |
| opts.recv_video = true; |
| |
| f1_.set_audio_rtp_header_extensions(MAKE_VECTOR(kAudioRtpExtension1)); |
| f1_.set_video_rtp_header_extensions(MAKE_VECTOR(kVideoRtpExtension1)); |
| f2_.set_audio_rtp_header_extensions(MAKE_VECTOR(kAudioRtpExtension2)); |
| f2_.set_video_rtp_header_extensions(MAKE_VECTOR(kVideoRtpExtension2)); |
| |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(opts, NULL)); |
| ASSERT_TRUE(offer.get() != NULL); |
| std::unique_ptr<SessionDescription> answer( |
| f2_.CreateAnswer(offer.get(), opts, NULL)); |
| |
| EXPECT_EQ(MAKE_VECTOR(kAudioRtpExtension1), |
| GetFirstAudioContentDescription( |
| offer.get())->rtp_header_extensions()); |
| EXPECT_EQ(MAKE_VECTOR(kVideoRtpExtension1), |
| GetFirstVideoContentDescription( |
| offer.get())->rtp_header_extensions()); |
| EXPECT_EQ(MAKE_VECTOR(kAudioRtpExtensionAnswer), |
| GetFirstAudioContentDescription( |
| answer.get())->rtp_header_extensions()); |
| EXPECT_EQ(MAKE_VECTOR(kVideoRtpExtensionAnswer), |
| GetFirstVideoContentDescription( |
| answer.get())->rtp_header_extensions()); |
| } |
| |
| // Create an audio, video, data answer without legacy StreamParams. |
| TEST_F(MediaSessionDescriptionFactoryTest, |
| TestCreateAnswerWithoutLegacyStreams) { |
| MediaSessionOptions opts; |
| opts.recv_video = true; |
| opts.data_channel_type = cricket::DCT_RTP; |
| f1_.set_add_legacy_streams(false); |
| f2_.set_add_legacy_streams(false); |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(opts, NULL)); |
| ASSERT_TRUE(offer.get() != NULL); |
| std::unique_ptr<SessionDescription> answer( |
| f2_.CreateAnswer(offer.get(), opts, NULL)); |
| const ContentInfo* ac = answer->GetContentByName("audio"); |
| const ContentInfo* vc = answer->GetContentByName("video"); |
| const ContentInfo* dc = answer->GetContentByName("data"); |
| ASSERT_TRUE(ac != NULL); |
| ASSERT_TRUE(vc != NULL); |
| const AudioContentDescription* acd = |
| static_cast<const AudioContentDescription*>(ac->description); |
| const VideoContentDescription* vcd = |
| static_cast<const VideoContentDescription*>(vc->description); |
| const DataContentDescription* dcd = |
| static_cast<const DataContentDescription*>(dc->description); |
| |
| EXPECT_FALSE(acd->has_ssrcs()); // No StreamParams. |
| EXPECT_FALSE(vcd->has_ssrcs()); // No StreamParams. |
| EXPECT_FALSE(dcd->has_ssrcs()); // No StreamParams. |
| } |
| |
| TEST_F(MediaSessionDescriptionFactoryTest, TestPartial) { |
| MediaSessionOptions opts; |
| opts.recv_video = true; |
| opts.data_channel_type = cricket::DCT_RTP; |
| f1_.set_secure(SEC_ENABLED); |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(opts, NULL)); |
| ASSERT_TRUE(offer.get() != NULL); |
| const ContentInfo* ac = offer->GetContentByName("audio"); |
| const ContentInfo* vc = offer->GetContentByName("video"); |
| const ContentInfo* dc = offer->GetContentByName("data"); |
| AudioContentDescription* acd = const_cast<AudioContentDescription*>( |
| static_cast<const AudioContentDescription*>(ac->description)); |
| VideoContentDescription* vcd = const_cast<VideoContentDescription*>( |
| static_cast<const VideoContentDescription*>(vc->description)); |
| DataContentDescription* dcd = const_cast<DataContentDescription*>( |
| static_cast<const DataContentDescription*>(dc->description)); |
| |
| EXPECT_FALSE(acd->partial()); // default is false. |
| acd->set_partial(true); |
| EXPECT_TRUE(acd->partial()); |
| acd->set_partial(false); |
| EXPECT_FALSE(acd->partial()); |
| |
| EXPECT_FALSE(vcd->partial()); // default is false. |
| vcd->set_partial(true); |
| EXPECT_TRUE(vcd->partial()); |
| vcd->set_partial(false); |
| EXPECT_FALSE(vcd->partial()); |
| |
| EXPECT_FALSE(dcd->partial()); // default is false. |
| dcd->set_partial(true); |
| EXPECT_TRUE(dcd->partial()); |
| dcd->set_partial(false); |
| EXPECT_FALSE(dcd->partial()); |
| } |
| |
| // Create a typical video answer, and ensure it matches what we expect. |
| TEST_F(MediaSessionDescriptionFactoryTest, TestCreateVideoAnswerRtcpMux) { |
| MediaSessionOptions offer_opts; |
| MediaSessionOptions answer_opts; |
| answer_opts.recv_video = true; |
| offer_opts.recv_video = true; |
| answer_opts.data_channel_type = cricket::DCT_RTP; |
| offer_opts.data_channel_type = cricket::DCT_RTP; |
| |
| std::unique_ptr<SessionDescription> offer; |
| std::unique_ptr<SessionDescription> answer; |
| |
| offer_opts.rtcp_mux_enabled = true; |
| answer_opts.rtcp_mux_enabled = true; |
| |
| offer.reset(f1_.CreateOffer(offer_opts, NULL)); |
| answer.reset(f2_.CreateAnswer(offer.get(), answer_opts, NULL)); |
| ASSERT_TRUE(NULL != GetFirstAudioContentDescription(offer.get())); |
| ASSERT_TRUE(NULL != GetFirstVideoContentDescription(offer.get())); |
| ASSERT_TRUE(NULL != GetFirstDataContentDescription(offer.get())); |
| ASSERT_TRUE(NULL != GetFirstAudioContentDescription(answer.get())); |
| ASSERT_TRUE(NULL != GetFirstVideoContentDescription(answer.get())); |
| ASSERT_TRUE(NULL != GetFirstDataContentDescription(answer.get())); |
| EXPECT_TRUE(GetFirstAudioContentDescription(offer.get())->rtcp_mux()); |
| EXPECT_TRUE(GetFirstVideoContentDescription(offer.get())->rtcp_mux()); |
| EXPECT_TRUE(GetFirstDataContentDescription(offer.get())->rtcp_mux()); |
| EXPECT_TRUE(GetFirstAudioContentDescription(answer.get())->rtcp_mux()); |
| EXPECT_TRUE(GetFirstVideoContentDescription(answer.get())->rtcp_mux()); |
| EXPECT_TRUE(GetFirstDataContentDescription(answer.get())->rtcp_mux()); |
| |
| offer_opts.rtcp_mux_enabled = true; |
| answer_opts.rtcp_mux_enabled = false; |
| |
| offer.reset(f1_.CreateOffer(offer_opts, NULL)); |
| answer.reset(f2_.CreateAnswer(offer.get(), answer_opts, NULL)); |
| ASSERT_TRUE(NULL != GetFirstAudioContentDescription(offer.get())); |
| ASSERT_TRUE(NULL != GetFirstVideoContentDescription(offer.get())); |
| ASSERT_TRUE(NULL != GetFirstDataContentDescription(offer.get())); |
| ASSERT_TRUE(NULL != GetFirstAudioContentDescription(answer.get())); |
| ASSERT_TRUE(NULL != GetFirstVideoContentDescription(answer.get())); |
| ASSERT_TRUE(NULL != GetFirstDataContentDescription(answer.get())); |
| EXPECT_TRUE(GetFirstAudioContentDescription(offer.get())->rtcp_mux()); |
| EXPECT_TRUE(GetFirstVideoContentDescription(offer.get())->rtcp_mux()); |
| EXPECT_TRUE(GetFirstDataContentDescription(offer.get())->rtcp_mux()); |
| EXPECT_FALSE(GetFirstAudioContentDescription(answer.get())->rtcp_mux()); |
| EXPECT_FALSE(GetFirstVideoContentDescription(answer.get())->rtcp_mux()); |
| EXPECT_FALSE(GetFirstDataContentDescription(answer.get())->rtcp_mux()); |
| |
| offer_opts.rtcp_mux_enabled = false; |
| answer_opts.rtcp_mux_enabled = true; |
| |
| offer.reset(f1_.CreateOffer(offer_opts, NULL)); |
| answer.reset(f2_.CreateAnswer(offer.get(), answer_opts, NULL)); |
| ASSERT_TRUE(NULL != GetFirstAudioContentDescription(offer.get())); |
| ASSERT_TRUE(NULL != GetFirstVideoContentDescription(offer.get())); |
| ASSERT_TRUE(NULL != GetFirstDataContentDescription(offer.get())); |
| ASSERT_TRUE(NULL != GetFirstAudioContentDescription(answer.get())); |
| ASSERT_TRUE(NULL != GetFirstVideoContentDescription(answer.get())); |
| ASSERT_TRUE(NULL != GetFirstDataContentDescription(answer.get())); |
| EXPECT_FALSE(GetFirstAudioContentDescription(offer.get())->rtcp_mux()); |
| EXPECT_FALSE(GetFirstVideoContentDescription(offer.get())->rtcp_mux()); |
| EXPECT_FALSE(GetFirstDataContentDescription(offer.get())->rtcp_mux()); |
| EXPECT_FALSE(GetFirstAudioContentDescription(answer.get())->rtcp_mux()); |
| EXPECT_FALSE(GetFirstVideoContentDescription(answer.get())->rtcp_mux()); |
| EXPECT_FALSE(GetFirstDataContentDescription(answer.get())->rtcp_mux()); |
| |
| offer_opts.rtcp_mux_enabled = false; |
| answer_opts.rtcp_mux_enabled = false; |
| |
| offer.reset(f1_.CreateOffer(offer_opts, NULL)); |
| answer.reset(f2_.CreateAnswer(offer.get(), answer_opts, NULL)); |
| ASSERT_TRUE(NULL != GetFirstAudioContentDescription(offer.get())); |
| ASSERT_TRUE(NULL != GetFirstVideoContentDescription(offer.get())); |
| ASSERT_TRUE(NULL != GetFirstDataContentDescription(offer.get())); |
| ASSERT_TRUE(NULL != GetFirstAudioContentDescription(answer.get())); |
| ASSERT_TRUE(NULL != GetFirstVideoContentDescription(answer.get())); |
| ASSERT_TRUE(NULL != GetFirstDataContentDescription(answer.get())); |
| EXPECT_FALSE(GetFirstAudioContentDescription(offer.get())->rtcp_mux()); |
| EXPECT_FALSE(GetFirstVideoContentDescription(offer.get())->rtcp_mux()); |
| EXPECT_FALSE(GetFirstDataContentDescription(offer.get())->rtcp_mux()); |
| EXPECT_FALSE(GetFirstAudioContentDescription(answer.get())->rtcp_mux()); |
| EXPECT_FALSE(GetFirstVideoContentDescription(answer.get())->rtcp_mux()); |
| EXPECT_FALSE(GetFirstDataContentDescription(answer.get())->rtcp_mux()); |
| } |
| |
| // Create an audio-only answer to a video offer. |
| TEST_F(MediaSessionDescriptionFactoryTest, TestCreateAudioAnswerToVideo) { |
| MediaSessionOptions opts; |
| opts.recv_video = true; |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(opts, NULL)); |
| ASSERT_TRUE(offer.get() != NULL); |
| std::unique_ptr<SessionDescription> answer( |
| f2_.CreateAnswer(offer.get(), MediaSessionOptions(), NULL)); |
| const ContentInfo* ac = answer->GetContentByName("audio"); |
| const ContentInfo* vc = answer->GetContentByName("video"); |
| ASSERT_TRUE(ac != NULL); |
| ASSERT_TRUE(vc != NULL); |
| ASSERT_TRUE(vc->description != NULL); |
| EXPECT_TRUE(vc->rejected); |
| } |
| |
| // Create an audio-only answer to an offer with data. |
| TEST_F(MediaSessionDescriptionFactoryTest, TestCreateNoDataAnswerToDataOffer) { |
| MediaSessionOptions opts; |
| opts.data_channel_type = cricket::DCT_RTP; |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(opts, NULL)); |
| ASSERT_TRUE(offer.get() != NULL); |
| std::unique_ptr<SessionDescription> answer( |
| f2_.CreateAnswer(offer.get(), MediaSessionOptions(), NULL)); |
| const ContentInfo* ac = answer->GetContentByName("audio"); |
| const ContentInfo* dc = answer->GetContentByName("data"); |
| ASSERT_TRUE(ac != NULL); |
| ASSERT_TRUE(dc != NULL); |
| ASSERT_TRUE(dc->description != NULL); |
| EXPECT_TRUE(dc->rejected); |
| } |
| |
| // Create an answer that rejects the contents which are rejected in the offer. |
| TEST_F(MediaSessionDescriptionFactoryTest, |
| CreateAnswerToOfferWithRejectedMedia) { |
| MediaSessionOptions opts; |
| opts.recv_video = true; |
| opts.data_channel_type = cricket::DCT_RTP; |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(opts, NULL)); |
| ASSERT_TRUE(offer.get() != NULL); |
| ContentInfo* ac = offer->GetContentByName("audio"); |
| ContentInfo* vc = offer->GetContentByName("video"); |
| ContentInfo* dc = offer->GetContentByName("data"); |
| ASSERT_TRUE(ac != NULL); |
| ASSERT_TRUE(vc != NULL); |
| ASSERT_TRUE(dc != NULL); |
| ac->rejected = true; |
| vc->rejected = true; |
| dc->rejected = true; |
| std::unique_ptr<SessionDescription> answer( |
| f2_.CreateAnswer(offer.get(), opts, NULL)); |
| ac = answer->GetContentByName("audio"); |
| vc = answer->GetContentByName("video"); |
| dc = answer->GetContentByName("data"); |
| ASSERT_TRUE(ac != NULL); |
| ASSERT_TRUE(vc != NULL); |
| ASSERT_TRUE(dc != NULL); |
| EXPECT_TRUE(ac->rejected); |
| EXPECT_TRUE(vc->rejected); |
| EXPECT_TRUE(dc->rejected); |
| } |
| |
| // Create an audio and video offer with: |
| // - one video track |
| // - two audio tracks |
| // - two data tracks |
| // and ensure it matches what we expect. Also updates the initial offer by |
| // adding a new video track and replaces one of the audio tracks. |
| TEST_F(MediaSessionDescriptionFactoryTest, TestCreateMultiStreamVideoOffer) { |
| MediaSessionOptions opts; |
| opts.AddSendStream(MEDIA_TYPE_VIDEO, kVideoTrack1, kMediaStream1); |
| opts.AddSendStream(MEDIA_TYPE_AUDIO, kAudioTrack1, kMediaStream1); |
| opts.AddSendStream(MEDIA_TYPE_AUDIO, kAudioTrack2, kMediaStream1); |
| opts.data_channel_type = cricket::DCT_RTP; |
| opts.AddSendStream(MEDIA_TYPE_DATA, kDataTrack1, kMediaStream1); |
| opts.AddSendStream(MEDIA_TYPE_DATA, kDataTrack2, kMediaStream1); |
| |
| f1_.set_secure(SEC_ENABLED); |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(opts, NULL)); |
| |
| ASSERT_TRUE(offer.get() != NULL); |
| const ContentInfo* ac = offer->GetContentByName("audio"); |
| const ContentInfo* vc = offer->GetContentByName("video"); |
| const ContentInfo* dc = offer->GetContentByName("data"); |
| ASSERT_TRUE(ac != NULL); |
| ASSERT_TRUE(vc != NULL); |
| ASSERT_TRUE(dc != NULL); |
| const AudioContentDescription* acd = |
| static_cast<const AudioContentDescription*>(ac->description); |
| const VideoContentDescription* vcd = |
| static_cast<const VideoContentDescription*>(vc->description); |
| const DataContentDescription* dcd = |
| static_cast<const DataContentDescription*>(dc->description); |
| EXPECT_EQ(MEDIA_TYPE_AUDIO, acd->type()); |
| EXPECT_EQ(f1_.audio_codecs(), acd->codecs()); |
| |
| const StreamParamsVec& audio_streams = acd->streams(); |
| ASSERT_EQ(2U, audio_streams.size()); |
| EXPECT_EQ(audio_streams[0].cname , audio_streams[1].cname); |
| EXPECT_EQ(kAudioTrack1, audio_streams[0].id); |
| ASSERT_EQ(1U, audio_streams[0].ssrcs.size()); |
| EXPECT_NE(0U, audio_streams[0].ssrcs[0]); |
| EXPECT_EQ(kAudioTrack2, audio_streams[1].id); |
| ASSERT_EQ(1U, audio_streams[1].ssrcs.size()); |
| EXPECT_NE(0U, audio_streams[1].ssrcs[0]); |
| |
| EXPECT_EQ(kAutoBandwidth, acd->bandwidth()); // default bandwidth (auto) |
| EXPECT_TRUE(acd->rtcp_mux()); // rtcp-mux defaults on |
| ASSERT_CRYPTO(acd, 2U, CS_AES_CM_128_HMAC_SHA1_32); |
| |
| EXPECT_EQ(MEDIA_TYPE_VIDEO, vcd->type()); |
| EXPECT_EQ(f1_.video_codecs(), vcd->codecs()); |
| ASSERT_CRYPTO(vcd, 1U, CS_AES_CM_128_HMAC_SHA1_80); |
| |
| const StreamParamsVec& video_streams = vcd->streams(); |
| ASSERT_EQ(1U, video_streams.size()); |
| EXPECT_EQ(video_streams[0].cname, audio_streams[0].cname); |
| EXPECT_EQ(kVideoTrack1, video_streams[0].id); |
| EXPECT_EQ(kAutoBandwidth, vcd->bandwidth()); // default bandwidth (auto) |
| EXPECT_TRUE(vcd->rtcp_mux()); // rtcp-mux defaults on |
| |
| EXPECT_EQ(MEDIA_TYPE_DATA, dcd->type()); |
| EXPECT_EQ(f1_.data_codecs(), dcd->codecs()); |
| ASSERT_CRYPTO(dcd, 1U, CS_AES_CM_128_HMAC_SHA1_80); |
| |
| const StreamParamsVec& data_streams = dcd->streams(); |
| ASSERT_EQ(2U, data_streams.size()); |
| EXPECT_EQ(data_streams[0].cname , data_streams[1].cname); |
| EXPECT_EQ(kDataTrack1, data_streams[0].id); |
| ASSERT_EQ(1U, data_streams[0].ssrcs.size()); |
| EXPECT_NE(0U, data_streams[0].ssrcs[0]); |
| EXPECT_EQ(kDataTrack2, data_streams[1].id); |
| ASSERT_EQ(1U, data_streams[1].ssrcs.size()); |
| EXPECT_NE(0U, data_streams[1].ssrcs[0]); |
| |
| EXPECT_EQ(cricket::kDataMaxBandwidth, |
| dcd->bandwidth()); // default bandwidth (auto) |
| EXPECT_TRUE(dcd->rtcp_mux()); // rtcp-mux defaults on |
| ASSERT_CRYPTO(dcd, 1U, CS_AES_CM_128_HMAC_SHA1_80); |
| |
| |
| // Update the offer. Add a new video track that is not synched to the |
| // other tracks and replace audio track 2 with audio track 3. |
| opts.AddSendStream(MEDIA_TYPE_VIDEO, kVideoTrack2, kMediaStream2); |
| opts.RemoveSendStream(MEDIA_TYPE_AUDIO, kAudioTrack2); |
| opts.AddSendStream(MEDIA_TYPE_AUDIO, kAudioTrack3, kMediaStream1); |
| opts.RemoveSendStream(MEDIA_TYPE_DATA, kDataTrack2); |
| opts.AddSendStream(MEDIA_TYPE_DATA, kDataTrack3, kMediaStream1); |
| std::unique_ptr<SessionDescription> updated_offer( |
| f1_.CreateOffer(opts, offer.get())); |
| |
| ASSERT_TRUE(updated_offer.get() != NULL); |
| ac = updated_offer->GetContentByName("audio"); |
| vc = updated_offer->GetContentByName("video"); |
| dc = updated_offer->GetContentByName("data"); |
| ASSERT_TRUE(ac != NULL); |
| ASSERT_TRUE(vc != NULL); |
| ASSERT_TRUE(dc != NULL); |
| const AudioContentDescription* updated_acd = |
| static_cast<const AudioContentDescription*>(ac->description); |
| const VideoContentDescription* updated_vcd = |
| static_cast<const VideoContentDescription*>(vc->description); |
| const DataContentDescription* updated_dcd = |
| static_cast<const DataContentDescription*>(dc->description); |
| |
| EXPECT_EQ(acd->type(), updated_acd->type()); |
| EXPECT_EQ(acd->codecs(), updated_acd->codecs()); |
| EXPECT_EQ(vcd->type(), updated_vcd->type()); |
| EXPECT_EQ(vcd->codecs(), updated_vcd->codecs()); |
| EXPECT_EQ(dcd->type(), updated_dcd->type()); |
| EXPECT_EQ(dcd->codecs(), updated_dcd->codecs()); |
| ASSERT_CRYPTO(updated_acd, 2U, CS_AES_CM_128_HMAC_SHA1_32); |
| EXPECT_TRUE(CompareCryptoParams(acd->cryptos(), updated_acd->cryptos())); |
| ASSERT_CRYPTO(updated_vcd, 1U, CS_AES_CM_128_HMAC_SHA1_80); |
| EXPECT_TRUE(CompareCryptoParams(vcd->cryptos(), updated_vcd->cryptos())); |
| ASSERT_CRYPTO(updated_dcd, 1U, CS_AES_CM_128_HMAC_SHA1_80); |
| EXPECT_TRUE(CompareCryptoParams(dcd->cryptos(), updated_dcd->cryptos())); |
| |
| const StreamParamsVec& updated_audio_streams = updated_acd->streams(); |
| ASSERT_EQ(2U, updated_audio_streams.size()); |
| EXPECT_EQ(audio_streams[0], updated_audio_streams[0]); |
| EXPECT_EQ(kAudioTrack3, updated_audio_streams[1].id); // New audio track. |
| ASSERT_EQ(1U, updated_audio_streams[1].ssrcs.size()); |
| EXPECT_NE(0U, updated_audio_streams[1].ssrcs[0]); |
| EXPECT_EQ(updated_audio_streams[0].cname, updated_audio_streams[1].cname); |
| |
| const StreamParamsVec& updated_video_streams = updated_vcd->streams(); |
| ASSERT_EQ(2U, updated_video_streams.size()); |
| EXPECT_EQ(video_streams[0], updated_video_streams[0]); |
| EXPECT_EQ(kVideoTrack2, updated_video_streams[1].id); |
| // All the media streams in one PeerConnection share one RTCP CNAME. |
| EXPECT_EQ(updated_video_streams[1].cname, updated_video_streams[0].cname); |
| |
| const StreamParamsVec& updated_data_streams = updated_dcd->streams(); |
| ASSERT_EQ(2U, updated_data_streams.size()); |
| EXPECT_EQ(data_streams[0], updated_data_streams[0]); |
| EXPECT_EQ(kDataTrack3, updated_data_streams[1].id); // New data track. |
| ASSERT_EQ(1U, updated_data_streams[1].ssrcs.size()); |
| EXPECT_NE(0U, updated_data_streams[1].ssrcs[0]); |
| EXPECT_EQ(updated_data_streams[0].cname, updated_data_streams[1].cname); |
| // The stream correctly got the CNAME from the MediaSessionOptions. |
| // The Expected RTCP CNAME is the default one as we are using the default |
| // MediaSessionOptions. |
| EXPECT_EQ(updated_data_streams[0].cname, cricket::kDefaultRtcpCname); |
| } |
| |
| // Create an offer with simulcast video stream. |
| TEST_F(MediaSessionDescriptionFactoryTest, TestCreateSimulcastVideoOffer) { |
| MediaSessionOptions opts; |
| const int num_sim_layers = 3; |
| opts.AddSendVideoStream(kVideoTrack1, kMediaStream1, num_sim_layers); |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(opts, NULL)); |
| |
| ASSERT_TRUE(offer.get() != NULL); |
| const ContentInfo* vc = offer->GetContentByName("video"); |
| ASSERT_TRUE(vc != NULL); |
| const VideoContentDescription* vcd = |
| static_cast<const VideoContentDescription*>(vc->description); |
| |
| const StreamParamsVec& video_streams = vcd->streams(); |
| ASSERT_EQ(1U, video_streams.size()); |
| EXPECT_EQ(kVideoTrack1, video_streams[0].id); |
| const SsrcGroup* sim_ssrc_group = |
| video_streams[0].get_ssrc_group(cricket::kSimSsrcGroupSemantics); |
| ASSERT_TRUE(sim_ssrc_group != NULL); |
| EXPECT_EQ(static_cast<size_t>(num_sim_layers), sim_ssrc_group->ssrcs.size()); |
| } |
| |
| // Create an audio and video answer to a standard video offer with: |
| // - one video track |
| // - two audio tracks |
| // - two data tracks |
| // and ensure it matches what we expect. Also updates the initial answer by |
| // adding a new video track and removes one of the audio tracks. |
| TEST_F(MediaSessionDescriptionFactoryTest, TestCreateMultiStreamVideoAnswer) { |
| MediaSessionOptions offer_opts; |
| offer_opts.recv_video = true; |
| offer_opts.data_channel_type = cricket::DCT_RTP; |
| f1_.set_secure(SEC_ENABLED); |
| f2_.set_secure(SEC_ENABLED); |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(offer_opts, NULL)); |
| |
| MediaSessionOptions opts; |
| opts.AddSendStream(MEDIA_TYPE_VIDEO, kVideoTrack1, kMediaStream1); |
| opts.AddSendStream(MEDIA_TYPE_AUDIO, kAudioTrack1, kMediaStream1); |
| opts.AddSendStream(MEDIA_TYPE_AUDIO, kAudioTrack2, kMediaStream1); |
| opts.data_channel_type = cricket::DCT_RTP; |
| opts.AddSendStream(MEDIA_TYPE_DATA, kDataTrack1, kMediaStream1); |
| opts.AddSendStream(MEDIA_TYPE_DATA, kDataTrack2, kMediaStream1); |
| |
| std::unique_ptr<SessionDescription> answer( |
| f2_.CreateAnswer(offer.get(), opts, NULL)); |
| |
| ASSERT_TRUE(answer.get() != NULL); |
| const ContentInfo* ac = answer->GetContentByName("audio"); |
| const ContentInfo* vc = answer->GetContentByName("video"); |
| const ContentInfo* dc = answer->GetContentByName("data"); |
| ASSERT_TRUE(ac != NULL); |
| ASSERT_TRUE(vc != NULL); |
| ASSERT_TRUE(dc != NULL); |
| const AudioContentDescription* acd = |
| static_cast<const AudioContentDescription*>(ac->description); |
| const VideoContentDescription* vcd = |
| static_cast<const VideoContentDescription*>(vc->description); |
| const DataContentDescription* dcd = |
| static_cast<const DataContentDescription*>(dc->description); |
| ASSERT_CRYPTO(acd, 1U, CS_AES_CM_128_HMAC_SHA1_32); |
| ASSERT_CRYPTO(vcd, 1U, CS_AES_CM_128_HMAC_SHA1_80); |
| ASSERT_CRYPTO(dcd, 1U, CS_AES_CM_128_HMAC_SHA1_80); |
| |
| EXPECT_EQ(MEDIA_TYPE_AUDIO, acd->type()); |
| EXPECT_EQ(MAKE_VECTOR(kAudioCodecsAnswer), acd->codecs()); |
| |
| const StreamParamsVec& audio_streams = acd->streams(); |
| ASSERT_EQ(2U, audio_streams.size()); |
| EXPECT_TRUE(audio_streams[0].cname == audio_streams[1].cname); |
| EXPECT_EQ(kAudioTrack1, audio_streams[0].id); |
| ASSERT_EQ(1U, audio_streams[0].ssrcs.size()); |
| EXPECT_NE(0U, audio_streams[0].ssrcs[0]); |
| EXPECT_EQ(kAudioTrack2, audio_streams[1].id); |
| ASSERT_EQ(1U, audio_streams[1].ssrcs.size()); |
| EXPECT_NE(0U, audio_streams[1].ssrcs[0]); |
| |
| EXPECT_EQ(kAutoBandwidth, acd->bandwidth()); // default bandwidth (auto) |
| EXPECT_TRUE(acd->rtcp_mux()); // rtcp-mux defaults on |
| |
| EXPECT_EQ(MEDIA_TYPE_VIDEO, vcd->type()); |
| EXPECT_EQ(MAKE_VECTOR(kVideoCodecsAnswer), vcd->codecs()); |
| |
| const StreamParamsVec& video_streams = vcd->streams(); |
| ASSERT_EQ(1U, video_streams.size()); |
| EXPECT_EQ(video_streams[0].cname, audio_streams[0].cname); |
| EXPECT_EQ(kVideoTrack1, video_streams[0].id); |
| EXPECT_EQ(kAutoBandwidth, vcd->bandwidth()); // default bandwidth (auto) |
| EXPECT_TRUE(vcd->rtcp_mux()); // rtcp-mux defaults on |
| |
| EXPECT_EQ(MEDIA_TYPE_DATA, dcd->type()); |
| EXPECT_EQ(MAKE_VECTOR(kDataCodecsAnswer), dcd->codecs()); |
| |
| const StreamParamsVec& data_streams = dcd->streams(); |
| ASSERT_EQ(2U, data_streams.size()); |
| EXPECT_TRUE(data_streams[0].cname == data_streams[1].cname); |
| EXPECT_EQ(kDataTrack1, data_streams[0].id); |
| ASSERT_EQ(1U, data_streams[0].ssrcs.size()); |
| EXPECT_NE(0U, data_streams[0].ssrcs[0]); |
| EXPECT_EQ(kDataTrack2, data_streams[1].id); |
| ASSERT_EQ(1U, data_streams[1].ssrcs.size()); |
| EXPECT_NE(0U, data_streams[1].ssrcs[0]); |
| |
| EXPECT_EQ(cricket::kDataMaxBandwidth, |
| dcd->bandwidth()); // default bandwidth (auto) |
| EXPECT_TRUE(dcd->rtcp_mux()); // rtcp-mux defaults on |
| |
| // Update the answer. Add a new video track that is not synched to the |
| // other tracks and remove 1 audio track. |
| opts.AddSendStream(MEDIA_TYPE_VIDEO, kVideoTrack2, kMediaStream2); |
| opts.RemoveSendStream(MEDIA_TYPE_AUDIO, kAudioTrack2); |
| opts.RemoveSendStream(MEDIA_TYPE_DATA, kDataTrack2); |
| std::unique_ptr<SessionDescription> updated_answer( |
| f2_.CreateAnswer(offer.get(), opts, answer.get())); |
| |
| ASSERT_TRUE(updated_answer.get() != NULL); |
| ac = updated_answer->GetContentByName("audio"); |
| vc = updated_answer->GetContentByName("video"); |
| dc = updated_answer->GetContentByName("data"); |
| ASSERT_TRUE(ac != NULL); |
| ASSERT_TRUE(vc != NULL); |
| ASSERT_TRUE(dc != NULL); |
| const AudioContentDescription* updated_acd = |
| static_cast<const AudioContentDescription*>(ac->description); |
| const VideoContentDescription* updated_vcd = |
| static_cast<const VideoContentDescription*>(vc->description); |
| const DataContentDescription* updated_dcd = |
| static_cast<const DataContentDescription*>(dc->description); |
| |
| ASSERT_CRYPTO(updated_acd, 1U, CS_AES_CM_128_HMAC_SHA1_32); |
| EXPECT_TRUE(CompareCryptoParams(acd->cryptos(), updated_acd->cryptos())); |
| ASSERT_CRYPTO(updated_vcd, 1U, CS_AES_CM_128_HMAC_SHA1_80); |
| EXPECT_TRUE(CompareCryptoParams(vcd->cryptos(), updated_vcd->cryptos())); |
| ASSERT_CRYPTO(updated_dcd, 1U, CS_AES_CM_128_HMAC_SHA1_80); |
| EXPECT_TRUE(CompareCryptoParams(dcd->cryptos(), updated_dcd->cryptos())); |
| |
| EXPECT_EQ(acd->type(), updated_acd->type()); |
| EXPECT_EQ(acd->codecs(), updated_acd->codecs()); |
| EXPECT_EQ(vcd->type(), updated_vcd->type()); |
| EXPECT_EQ(vcd->codecs(), updated_vcd->codecs()); |
| EXPECT_EQ(dcd->type(), updated_dcd->type()); |
| EXPECT_EQ(dcd->codecs(), updated_dcd->codecs()); |
| |
| const StreamParamsVec& updated_audio_streams = updated_acd->streams(); |
| ASSERT_EQ(1U, updated_audio_streams.size()); |
| EXPECT_TRUE(audio_streams[0] == updated_audio_streams[0]); |
| |
| const StreamParamsVec& updated_video_streams = updated_vcd->streams(); |
| ASSERT_EQ(2U, updated_video_streams.size()); |
| EXPECT_EQ(video_streams[0], updated_video_streams[0]); |
| EXPECT_EQ(kVideoTrack2, updated_video_streams[1].id); |
| // All media streams in one PeerConnection share one CNAME. |
| EXPECT_EQ(updated_video_streams[1].cname, updated_video_streams[0].cname); |
| |
| const StreamParamsVec& updated_data_streams = updated_dcd->streams(); |
| ASSERT_EQ(1U, updated_data_streams.size()); |
| EXPECT_TRUE(data_streams[0] == updated_data_streams[0]); |
| } |
| |
| |
| // Create an updated offer after creating an answer to the original offer and |
| // verify that the codecs that were part of the original answer are not changed |
| // in the updated offer. |
| TEST_F(MediaSessionDescriptionFactoryTest, |
| RespondentCreatesOfferAfterCreatingAnswer) { |
| MediaSessionOptions opts; |
| opts.recv_audio = true; |
| opts.recv_video = true; |
| |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(opts, NULL)); |
| std::unique_ptr<SessionDescription> answer( |
| f2_.CreateAnswer(offer.get(), opts, NULL)); |
| |
| const AudioContentDescription* acd = |
| GetFirstAudioContentDescription(answer.get()); |
| EXPECT_EQ(MAKE_VECTOR(kAudioCodecsAnswer), acd->codecs()); |
| |
| const VideoContentDescription* vcd = |
| GetFirstVideoContentDescription(answer.get()); |
| EXPECT_EQ(MAKE_VECTOR(kVideoCodecsAnswer), vcd->codecs()); |
| |
| std::unique_ptr<SessionDescription> updated_offer( |
| f2_.CreateOffer(opts, answer.get())); |
| |
| // The expected audio codecs are the common audio codecs from the first |
| // offer/answer exchange plus the audio codecs only |f2_| offer, sorted in |
| // preference order. |
| // TODO(wu): |updated_offer| should not include the codec |
| // (i.e. |kAudioCodecs2[0]|) the other side doesn't support. |
| const AudioCodec kUpdatedAudioCodecOffer[] = { |
| kAudioCodecsAnswer[0], |
| kAudioCodecsAnswer[1], |
| kAudioCodecs2[0], |
| }; |
| |
| // The expected video codecs are the common video codecs from the first |
| // offer/answer exchange plus the video codecs only |f2_| offer, sorted in |
| // preference order. |
| const VideoCodec kUpdatedVideoCodecOffer[] = { |
| kVideoCodecsAnswer[0], |
| kVideoCodecs2[1], |
| }; |
| |
| const AudioContentDescription* updated_acd = |
| GetFirstAudioContentDescription(updated_offer.get()); |
| EXPECT_EQ(MAKE_VECTOR(kUpdatedAudioCodecOffer), updated_acd->codecs()); |
| |
| const VideoContentDescription* updated_vcd = |
| GetFirstVideoContentDescription(updated_offer.get()); |
| EXPECT_EQ(MAKE_VECTOR(kUpdatedVideoCodecOffer), updated_vcd->codecs()); |
| } |
| |
| // Create an updated offer after creating an answer to the original offer and |
| // verify that the codecs that were part of the original answer are not changed |
| // in the updated offer. In this test Rtx is enabled. |
| TEST_F(MediaSessionDescriptionFactoryTest, |
| RespondentCreatesOfferAfterCreatingAnswerWithRtx) { |
| MediaSessionOptions opts; |
| opts.recv_video = true; |
| opts.recv_audio = false; |
| std::vector<VideoCodec> f1_codecs = MAKE_VECTOR(kVideoCodecs1); |
| // This creates rtx for H264 with the payload type |f1_| uses. |
| AddRtxCodec(VideoCodec::CreateRtxCodec(126, kVideoCodecs1[1].id), &f1_codecs); |
| f1_.set_video_codecs(f1_codecs); |
| |
| std::vector<VideoCodec> f2_codecs = MAKE_VECTOR(kVideoCodecs2); |
| // This creates rtx for H264 with the payload type |f2_| uses. |
| AddRtxCodec(VideoCodec::CreateRtxCodec(125, kVideoCodecs2[0].id), &f2_codecs); |
| f2_.set_video_codecs(f2_codecs); |
| |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(opts, NULL)); |
| ASSERT_TRUE(offer.get() != NULL); |
| std::unique_ptr<SessionDescription> answer( |
| f2_.CreateAnswer(offer.get(), opts, NULL)); |
| |
| const VideoContentDescription* vcd = |
| GetFirstVideoContentDescription(answer.get()); |
| |
| std::vector<VideoCodec> expected_codecs = MAKE_VECTOR(kVideoCodecsAnswer); |
| AddRtxCodec(VideoCodec::CreateRtxCodec(126, kVideoCodecs1[1].id), |
| &expected_codecs); |
| |
| EXPECT_EQ(expected_codecs, vcd->codecs()); |
| |
| // Now, make sure we get same result (except for the order) if |f2_| creates |
| // an updated offer even though the default payload types between |f1_| and |
| // |f2_| are different. |
| std::unique_ptr<SessionDescription> updated_offer( |
| f2_.CreateOffer(opts, answer.get())); |
| ASSERT_TRUE(updated_offer); |
| std::unique_ptr<SessionDescription> updated_answer( |
| f1_.CreateAnswer(updated_offer.get(), opts, answer.get())); |
| |
| const VideoContentDescription* updated_vcd = |
| GetFirstVideoContentDescription(updated_answer.get()); |
| |
| EXPECT_EQ(expected_codecs, updated_vcd->codecs()); |
| } |
| |
| // Create an updated offer that adds video after creating an audio only answer |
| // to the original offer. This test verifies that if a video codec and the RTX |
| // codec have the same default payload type as an audio codec that is already in |
| // use, the added codecs payload types are changed. |
| TEST_F(MediaSessionDescriptionFactoryTest, |
| RespondentCreatesOfferWithVideoAndRtxAfterCreatingAudioAnswer) { |
| std::vector<VideoCodec> f1_codecs = MAKE_VECTOR(kVideoCodecs1); |
| // This creates rtx for H264 with the payload type |f1_| uses. |
| AddRtxCodec(VideoCodec::CreateRtxCodec(126, kVideoCodecs1[1].id), &f1_codecs); |
| f1_.set_video_codecs(f1_codecs); |
| |
| MediaSessionOptions opts; |
| opts.recv_audio = true; |
| opts.recv_video = false; |
| |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(opts, NULL)); |
| std::unique_ptr<SessionDescription> answer( |
| f2_.CreateAnswer(offer.get(), opts, NULL)); |
| |
| const AudioContentDescription* acd = |
| GetFirstAudioContentDescription(answer.get()); |
| EXPECT_EQ(MAKE_VECTOR(kAudioCodecsAnswer), acd->codecs()); |
| |
| // Now - let |f2_| add video with RTX and let the payload type the RTX codec |
| // reference be the same as an audio codec that was negotiated in the |
| // first offer/answer exchange. |
| opts.recv_audio = true; |
| opts.recv_video = true; |
| |
| std::vector<VideoCodec> f2_codecs = MAKE_VECTOR(kVideoCodecs2); |
| int used_pl_type = acd->codecs()[0].id; |
| f2_codecs[0].id = used_pl_type; // Set the payload type for H264. |
| AddRtxCodec(VideoCodec::CreateRtxCodec(125, used_pl_type), &f2_codecs); |
| f2_.set_video_codecs(f2_codecs); |
| |
| std::unique_ptr<SessionDescription> updated_offer( |
| f2_.CreateOffer(opts, answer.get())); |
| ASSERT_TRUE(updated_offer); |
| std::unique_ptr<SessionDescription> updated_answer( |
| f1_.CreateAnswer(updated_offer.get(), opts, answer.get())); |
| |
| const AudioContentDescription* updated_acd = |
| GetFirstAudioContentDescription(answer.get()); |
| EXPECT_EQ(MAKE_VECTOR(kAudioCodecsAnswer), updated_acd->codecs()); |
| |
| const VideoContentDescription* updated_vcd = |
| GetFirstVideoContentDescription(updated_answer.get()); |
| |
| ASSERT_EQ("H264", updated_vcd->codecs()[0].name); |
| ASSERT_EQ(std::string(cricket::kRtxCodecName), updated_vcd->codecs()[1].name); |
| int new_h264_pl_type = updated_vcd->codecs()[0].id; |
| EXPECT_NE(used_pl_type, new_h264_pl_type); |
| VideoCodec rtx = updated_vcd->codecs()[1]; |
| int pt_referenced_by_rtx = rtc::FromString<int>( |
| rtx.params[cricket::kCodecParamAssociatedPayloadType]); |
| EXPECT_EQ(new_h264_pl_type, pt_referenced_by_rtx); |
| } |
| |
| // Create an updated offer with RTX after creating an answer to an offer |
| // without RTX, and with different default payload types. |
| // Verify that the added RTX codec references the correct payload type. |
| TEST_F(MediaSessionDescriptionFactoryTest, |
| RespondentCreatesOfferWithRtxAfterCreatingAnswerWithoutRtx) { |
| MediaSessionOptions opts; |
| opts.recv_video = true; |
| opts.recv_audio = true; |
| |
| std::vector<VideoCodec> f2_codecs = MAKE_VECTOR(kVideoCodecs2); |
| // This creates rtx for H264 with the payload type |f2_| uses. |
| AddRtxCodec(VideoCodec::CreateRtxCodec(125, kVideoCodecs2[0].id), &f2_codecs); |
| f2_.set_video_codecs(f2_codecs); |
| |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(opts, nullptr)); |
| ASSERT_TRUE(offer.get() != nullptr); |
| std::unique_ptr<SessionDescription> answer( |
| f2_.CreateAnswer(offer.get(), opts, nullptr)); |
| |
| const VideoContentDescription* vcd = |
| GetFirstVideoContentDescription(answer.get()); |
| |
| std::vector<VideoCodec> expected_codecs = MAKE_VECTOR(kVideoCodecsAnswer); |
| EXPECT_EQ(expected_codecs, vcd->codecs()); |
| |
| // Now, ensure that the RTX codec is created correctly when |f2_| creates an |
| // updated offer, even though the default payload types are different from |
| // those of |f1_|. |
| std::unique_ptr<SessionDescription> updated_offer( |
| f2_.CreateOffer(opts, answer.get())); |
| ASSERT_TRUE(updated_offer); |
| |
| const VideoContentDescription* updated_vcd = |
| GetFirstVideoContentDescription(updated_offer.get()); |
| |
| // New offer should attempt to add H263, and RTX for H264. |
| expected_codecs.push_back(kVideoCodecs2[1]); |
| AddRtxCodec(VideoCodec::CreateRtxCodec(125, kVideoCodecs1[1].id), |
| &expected_codecs); |
| EXPECT_EQ(expected_codecs, updated_vcd->codecs()); |
| } |
| |
| // Test that RTX is ignored when there is no associated payload type parameter. |
| TEST_F(MediaSessionDescriptionFactoryTest, RtxWithoutApt) { |
| MediaSessionOptions opts; |
| opts.recv_video = true; |
| opts.recv_audio = false; |
| std::vector<VideoCodec> f1_codecs = MAKE_VECTOR(kVideoCodecs1); |
| // This creates RTX without associated payload type parameter. |
| AddRtxCodec(VideoCodec(126, cricket::kRtxCodecName, 0, 0, 0), &f1_codecs); |
| f1_.set_video_codecs(f1_codecs); |
| |
| std::vector<VideoCodec> f2_codecs = MAKE_VECTOR(kVideoCodecs2); |
| // This creates RTX for H264 with the payload type |f2_| uses. |
| AddRtxCodec(VideoCodec::CreateRtxCodec(125, kVideoCodecs2[0].id), &f2_codecs); |
| f2_.set_video_codecs(f2_codecs); |
| |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(opts, NULL)); |
| ASSERT_TRUE(offer.get() != NULL); |
| // kCodecParamAssociatedPayloadType will always be added to the offer when RTX |
| // is selected. Manually remove kCodecParamAssociatedPayloadType so that it |
| // is possible to test that that RTX is dropped when |
| // kCodecParamAssociatedPayloadType is missing in the offer. |
| VideoContentDescription* desc = |
| static_cast<cricket::VideoContentDescription*>( |
| offer->GetContentDescriptionByName(cricket::CN_VIDEO)); |
| ASSERT_TRUE(desc != NULL); |
| std::vector<VideoCodec> codecs = desc->codecs(); |
| for (std::vector<VideoCodec>::iterator iter = codecs.begin(); |
| iter != codecs.end(); ++iter) { |
| if (iter->name.find(cricket::kRtxCodecName) == 0) { |
| iter->params.clear(); |
| } |
| } |
| desc->set_codecs(codecs); |
| |
| std::unique_ptr<SessionDescription> answer( |
| f2_.CreateAnswer(offer.get(), opts, NULL)); |
| |
| std::vector<std::string> codec_names = |
| GetCodecNames(GetFirstVideoContentDescription(answer.get())->codecs()); |
| EXPECT_EQ(codec_names.end(), std::find(codec_names.begin(), codec_names.end(), |
| cricket::kRtxCodecName)); |
| } |
| |
| // Test that RTX will be filtered out in the answer if its associated payload |
| // type doesn't match the local value. |
| TEST_F(MediaSessionDescriptionFactoryTest, FilterOutRtxIfAptDoesntMatch) { |
| MediaSessionOptions opts; |
| opts.recv_video = true; |
| opts.recv_audio = false; |
| std::vector<VideoCodec> f1_codecs = MAKE_VECTOR(kVideoCodecs1); |
| // This creates RTX for H264 in sender. |
| AddRtxCodec(VideoCodec::CreateRtxCodec(126, kVideoCodecs1[1].id), &f1_codecs); |
| f1_.set_video_codecs(f1_codecs); |
| |
| std::vector<VideoCodec> f2_codecs = MAKE_VECTOR(kVideoCodecs2); |
| // This creates RTX for H263 in receiver. |
| AddRtxCodec(VideoCodec::CreateRtxCodec(125, kVideoCodecs2[1].id), &f2_codecs); |
| f2_.set_video_codecs(f2_codecs); |
| |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(opts, NULL)); |
| ASSERT_TRUE(offer.get() != NULL); |
| // Associated payload type doesn't match, therefore, RTX codec is removed in |
| // the answer. |
| std::unique_ptr<SessionDescription> answer( |
| f2_.CreateAnswer(offer.get(), opts, NULL)); |
| |
| std::vector<std::string> codec_names = |
| GetCodecNames(GetFirstVideoContentDescription(answer.get())->codecs()); |
| EXPECT_EQ(codec_names.end(), std::find(codec_names.begin(), codec_names.end(), |
| cricket::kRtxCodecName)); |
| } |
| |
| // Test that when multiple RTX codecs are offered, only the matched RTX codec |
| // is added in the answer, and the unsupported RTX codec is filtered out. |
| TEST_F(MediaSessionDescriptionFactoryTest, |
| FilterOutUnsupportedRtxWhenCreatingAnswer) { |
| MediaSessionOptions opts; |
| opts.recv_video = true; |
| opts.recv_audio = false; |
| std::vector<VideoCodec> f1_codecs = MAKE_VECTOR(kVideoCodecs1); |
| // This creates RTX for H264-SVC in sender. |
| AddRtxCodec(VideoCodec::CreateRtxCodec(125, kVideoCodecs1[0].id), &f1_codecs); |
| f1_.set_video_codecs(f1_codecs); |
| |
| // This creates RTX for H264 in sender. |
| AddRtxCodec(VideoCodec::CreateRtxCodec(126, kVideoCodecs1[1].id), &f1_codecs); |
| f1_.set_video_codecs(f1_codecs); |
| |
| std::vector<VideoCodec> f2_codecs = MAKE_VECTOR(kVideoCodecs2); |
| // This creates RTX for H264 in receiver. |
| AddRtxCodec(VideoCodec::CreateRtxCodec(124, kVideoCodecs2[0].id), &f2_codecs); |
| f2_.set_video_codecs(f2_codecs); |
| |
| // H264-SVC codec is removed in the answer, therefore, associated RTX codec |
| // for H264-SVC should also be removed. |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(opts, NULL)); |
| ASSERT_TRUE(offer.get() != NULL); |
| std::unique_ptr<SessionDescription> answer( |
| f2_.CreateAnswer(offer.get(), opts, NULL)); |
| const VideoContentDescription* vcd = |
| GetFirstVideoContentDescription(answer.get()); |
| std::vector<VideoCodec> expected_codecs = MAKE_VECTOR(kVideoCodecsAnswer); |
| AddRtxCodec(VideoCodec::CreateRtxCodec(126, kVideoCodecs1[1].id), |
| &expected_codecs); |
| |
| EXPECT_EQ(expected_codecs, vcd->codecs()); |
| } |
| |
| // Test that after one RTX codec has been negotiated, a new offer can attempt |
| // to add another. |
| TEST_F(MediaSessionDescriptionFactoryTest, AddSecondRtxInNewOffer) { |
| MediaSessionOptions opts; |
| opts.recv_video = true; |
| opts.recv_audio = false; |
| std::vector<VideoCodec> f1_codecs = MAKE_VECTOR(kVideoCodecs1); |
| // This creates RTX for H264 for the offerer. |
| AddRtxCodec(VideoCodec::CreateRtxCodec(126, kVideoCodecs1[1].id), &f1_codecs); |
| f1_.set_video_codecs(f1_codecs); |
| |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(opts, nullptr)); |
| ASSERT_TRUE(offer); |
| const VideoContentDescription* vcd = |
| GetFirstVideoContentDescription(offer.get()); |
| |
| std::vector<VideoCodec> expected_codecs = MAKE_VECTOR(kVideoCodecs1); |
| AddRtxCodec(VideoCodec::CreateRtxCodec(126, kVideoCodecs1[1].id), |
| &expected_codecs); |
| EXPECT_EQ(expected_codecs, vcd->codecs()); |
| |
| // Now, attempt to add RTX for H264-SVC. |
| AddRtxCodec(VideoCodec::CreateRtxCodec(125, kVideoCodecs1[0].id), &f1_codecs); |
| f1_.set_video_codecs(f1_codecs); |
| |
| std::unique_ptr<SessionDescription> updated_offer( |
| f1_.CreateOffer(opts, offer.get())); |
| ASSERT_TRUE(updated_offer); |
| vcd = GetFirstVideoContentDescription(updated_offer.get()); |
| |
| AddRtxCodec(VideoCodec::CreateRtxCodec(125, kVideoCodecs1[0].id), |
| &expected_codecs); |
| EXPECT_EQ(expected_codecs, vcd->codecs()); |
| } |
| |
| // Test that when RTX is used in conjunction with simulcast, an RTX ssrc is |
| // generated for each simulcast ssrc and correctly grouped. |
| TEST_F(MediaSessionDescriptionFactoryTest, SimSsrcsGenerateMultipleRtxSsrcs) { |
| MediaSessionOptions opts; |
| opts.recv_video = true; |
| opts.recv_audio = false; |
| |
| // Add simulcast streams. |
| opts.AddSendVideoStream("stream1", "stream1label", 3); |
| |
| // Use a single real codec, and then add RTX for it. |
| std::vector<VideoCodec> f1_codecs; |
| f1_codecs.push_back(VideoCodec(97, "H264", 320, 200, 30)); |
| AddRtxCodec(VideoCodec::CreateRtxCodec(125, 97), &f1_codecs); |
| f1_.set_video_codecs(f1_codecs); |
| |
| // Ensure that the offer has an RTX ssrc for each regular ssrc, and that there |
| // is a FID ssrc + grouping for each. |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(opts, NULL)); |
| ASSERT_TRUE(offer.get() != NULL); |
| VideoContentDescription* desc = static_cast<VideoContentDescription*>( |
| offer->GetContentDescriptionByName(cricket::CN_VIDEO)); |
| ASSERT_TRUE(desc != NULL); |
| EXPECT_TRUE(desc->multistream()); |
| const StreamParamsVec& streams = desc->streams(); |
| // Single stream. |
| ASSERT_EQ(1u, streams.size()); |
| // Stream should have 6 ssrcs: 3 for video, 3 for RTX. |
| EXPECT_EQ(6u, streams[0].ssrcs.size()); |
| // And should have a SIM group for the simulcast. |
| EXPECT_TRUE(streams[0].has_ssrc_group("SIM")); |
| // And a FID group for RTX. |
| EXPECT_TRUE(streams[0].has_ssrc_group("FID")); |
| std::vector<uint32_t> primary_ssrcs; |
| streams[0].GetPrimarySsrcs(&primary_ssrcs); |
| EXPECT_EQ(3u, primary_ssrcs.size()); |
| std::vector<uint32_t> fid_ssrcs; |
| streams[0].GetFidSsrcs(primary_ssrcs, &fid_ssrcs); |
| EXPECT_EQ(3u, fid_ssrcs.size()); |
| } |
| |
| // Create an updated offer after creating an answer to the original offer and |
| // verify that the RTP header extensions that were part of the original answer |
| // are not changed in the updated offer. |
| TEST_F(MediaSessionDescriptionFactoryTest, |
| RespondentCreatesOfferAfterCreatingAnswerWithRtpExtensions) { |
| MediaSessionOptions opts; |
| opts.recv_audio = true; |
| opts.recv_video = true; |
| |
| f1_.set_audio_rtp_header_extensions(MAKE_VECTOR(kAudioRtpExtension1)); |
| f1_.set_video_rtp_header_extensions(MAKE_VECTOR(kVideoRtpExtension1)); |
| f2_.set_audio_rtp_header_extensions(MAKE_VECTOR(kAudioRtpExtension2)); |
| f2_.set_video_rtp_header_extensions(MAKE_VECTOR(kVideoRtpExtension2)); |
| |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(opts, NULL)); |
| std::unique_ptr<SessionDescription> answer( |
| f2_.CreateAnswer(offer.get(), opts, NULL)); |
| |
| EXPECT_EQ(MAKE_VECTOR(kAudioRtpExtensionAnswer), |
| GetFirstAudioContentDescription( |
| answer.get())->rtp_header_extensions()); |
| EXPECT_EQ(MAKE_VECTOR(kVideoRtpExtensionAnswer), |
| GetFirstVideoContentDescription( |
| answer.get())->rtp_header_extensions()); |
| |
| std::unique_ptr<SessionDescription> updated_offer( |
| f2_.CreateOffer(opts, answer.get())); |
| |
| // The expected RTP header extensions in the new offer are the resulting |
| // extensions from the first offer/answer exchange plus the extensions only |
| // |f2_| offer. |
| // Since the default local extension id |f2_| uses has already been used by |
| // |f1_| for another extensions, it is changed to 13. |
| const RtpHeaderExtension kUpdatedAudioRtpExtensions[] = { |
| kAudioRtpExtensionAnswer[0], |
| RtpHeaderExtension(kAudioRtpExtension2[1].uri, 13), |
| kAudioRtpExtension2[2], |
| }; |
| |
| // Since the default local extension id |f2_| uses has already been used by |
| // |f1_| for another extensions, is is changed to 12. |
| const RtpHeaderExtension kUpdatedVideoRtpExtensions[] = { |
| kVideoRtpExtensionAnswer[0], |
| RtpHeaderExtension(kVideoRtpExtension2[1].uri, 12), |
| kVideoRtpExtension2[2], |
| }; |
| |
| const AudioContentDescription* updated_acd = |
| GetFirstAudioContentDescription(updated_offer.get()); |
| EXPECT_EQ(MAKE_VECTOR(kUpdatedAudioRtpExtensions), |
| updated_acd->rtp_header_extensions()); |
| |
| const VideoContentDescription* updated_vcd = |
| GetFirstVideoContentDescription(updated_offer.get()); |
| EXPECT_EQ(MAKE_VECTOR(kUpdatedVideoRtpExtensions), |
| updated_vcd->rtp_header_extensions()); |
| } |
| |
| // Verify that if the same RTP extension URI is used for audio and video, the |
| // same ID is used. Also verify that the ID isn't changed when creating an |
| // updated offer (this was previously a bug). |
| TEST_F(MediaSessionDescriptionFactoryTest, |
| RtpHeaderExtensionIdReused) { |
| MediaSessionOptions opts; |
| opts.recv_audio = true; |
| opts.recv_video = true; |
| |
| f1_.set_audio_rtp_header_extensions(MAKE_VECTOR(kAudioRtpExtension3)); |
| f1_.set_video_rtp_header_extensions(MAKE_VECTOR(kVideoRtpExtension3)); |
| |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(opts, NULL)); |
| |
| // Since the audio extensions used ID 3 for "both_audio_and_video", so should |
| // the video extensions. |
| const RtpHeaderExtension kExpectedVideoRtpExtension[] = { |
| kVideoRtpExtension3[0], |
| kAudioRtpExtension3[1], |
| }; |
| |
| EXPECT_EQ(MAKE_VECTOR(kAudioRtpExtension3), |
| GetFirstAudioContentDescription( |
| offer.get())->rtp_header_extensions()); |
| EXPECT_EQ(MAKE_VECTOR(kExpectedVideoRtpExtension), |
| GetFirstVideoContentDescription( |
| offer.get())->rtp_header_extensions()); |
| |
| // Nothing should change when creating a new offer |
| std::unique_ptr<SessionDescription> updated_offer( |
| f1_.CreateOffer(opts, offer.get())); |
| |
| EXPECT_EQ(MAKE_VECTOR(kAudioRtpExtension3), |
| GetFirstAudioContentDescription( |
| updated_offer.get())->rtp_header_extensions()); |
| EXPECT_EQ(MAKE_VECTOR(kExpectedVideoRtpExtension), |
| GetFirstVideoContentDescription( |
| updated_offer.get())->rtp_header_extensions()); |
| } |
| |
| TEST(MediaSessionDescription, CopySessionDescription) { |
| SessionDescription source; |
| cricket::ContentGroup group(cricket::CN_AUDIO); |
| source.AddGroup(group); |
| AudioContentDescription* acd(new AudioContentDescription()); |
| acd->set_codecs(MAKE_VECTOR(kAudioCodecs1)); |
| acd->AddLegacyStream(1); |
| source.AddContent(cricket::CN_AUDIO, cricket::NS_JINGLE_RTP, acd); |
| VideoContentDescription* vcd(new VideoContentDescription()); |
| vcd->set_codecs(MAKE_VECTOR(kVideoCodecs1)); |
| vcd->AddLegacyStream(2); |
| source.AddContent(cricket::CN_VIDEO, cricket::NS_JINGLE_RTP, vcd); |
| |
| std::unique_ptr<SessionDescription> copy(source.Copy()); |
| ASSERT_TRUE(copy.get() != NULL); |
| EXPECT_TRUE(copy->HasGroup(cricket::CN_AUDIO)); |
| const ContentInfo* ac = copy->GetContentByName("audio"); |
| const ContentInfo* vc = copy->GetContentByName("video"); |
| ASSERT_TRUE(ac != NULL); |
| ASSERT_TRUE(vc != NULL); |
| EXPECT_EQ(std::string(NS_JINGLE_RTP), ac->type); |
| const AudioContentDescription* acd_copy = |
| static_cast<const AudioContentDescription*>(ac->description); |
| EXPECT_EQ(acd->codecs(), acd_copy->codecs()); |
| EXPECT_EQ(1u, acd->first_ssrc()); |
| |
| EXPECT_EQ(std::string(NS_JINGLE_RTP), vc->type); |
| const VideoContentDescription* vcd_copy = |
| static_cast<const VideoContentDescription*>(vc->description); |
| EXPECT_EQ(vcd->codecs(), vcd_copy->codecs()); |
| EXPECT_EQ(2u, vcd->first_ssrc()); |
| } |
| |
| // The below TestTransportInfoXXX tests create different offers/answers, and |
| // ensure the TransportInfo in the SessionDescription matches what we expect. |
| TEST_F(MediaSessionDescriptionFactoryTest, TestTransportInfoOfferAudio) { |
| MediaSessionOptions options; |
| options.recv_audio = true; |
| TestTransportInfo(true, options, false); |
| } |
| |
| TEST_F(MediaSessionDescriptionFactoryTest, TestTransportInfoOfferAudioCurrent) { |
| MediaSessionOptions options; |
| options.recv_audio = true; |
| TestTransportInfo(true, options, true); |
| } |
| |
| TEST_F(MediaSessionDescriptionFactoryTest, TestTransportInfoOfferMultimedia) { |
| MediaSessionOptions options; |
| options.recv_audio = true; |
| options.recv_video = true; |
| options.data_channel_type = cricket::DCT_RTP; |
| TestTransportInfo(true, options, false); |
| } |
| |
| TEST_F(MediaSessionDescriptionFactoryTest, |
| TestTransportInfoOfferMultimediaCurrent) { |
| MediaSessionOptions options; |
| options.recv_audio = true; |
| options.recv_video = true; |
| options.data_channel_type = cricket::DCT_RTP; |
| TestTransportInfo(true, options, true); |
| } |
| |
| TEST_F(MediaSessionDescriptionFactoryTest, TestTransportInfoOfferBundle) { |
| MediaSessionOptions options; |
| options.recv_audio = true; |
| options.recv_video = true; |
| options.data_channel_type = cricket::DCT_RTP; |
| options.bundle_enabled = true; |
| TestTransportInfo(true, options, false); |
| } |
| |
| TEST_F(MediaSessionDescriptionFactoryTest, |
| TestTransportInfoOfferBundleCurrent) { |
| MediaSessionOptions options; |
| options.recv_audio = true; |
| options.recv_video = true; |
| options.data_channel_type = cricket::DCT_RTP; |
| options.bundle_enabled = true; |
| TestTransportInfo(true, options, true); |
| } |
| |
| TEST_F(MediaSessionDescriptionFactoryTest, TestTransportInfoAnswerAudio) { |
| MediaSessionOptions options; |
| options.recv_audio = true; |
| TestTransportInfo(false, options, false); |
| } |
| |
| TEST_F(MediaSessionDescriptionFactoryTest, |
| TestTransportInfoAnswerAudioCurrent) { |
| MediaSessionOptions options; |
| options.recv_audio = true; |
| TestTransportInfo(false, options, true); |
| } |
| |
| TEST_F(MediaSessionDescriptionFactoryTest, TestTransportInfoAnswerMultimedia) { |
| MediaSessionOptions options; |
| options.recv_audio = true; |
| options.recv_video = true; |
| options.data_channel_type = cricket::DCT_RTP; |
| TestTransportInfo(false, options, false); |
| } |
| |
| TEST_F(MediaSessionDescriptionFactoryTest, |
| TestTransportInfoAnswerMultimediaCurrent) { |
| MediaSessionOptions options; |
| options.recv_audio = true; |
| options.recv_video = true; |
| options.data_channel_type = cricket::DCT_RTP; |
| TestTransportInfo(false, options, true); |
| } |
| |
| TEST_F(MediaSessionDescriptionFactoryTest, TestTransportInfoAnswerBundle) { |
| MediaSessionOptions options; |
| options.recv_audio = true; |
| options.recv_video = true; |
| options.data_channel_type = cricket::DCT_RTP; |
| options.bundle_enabled = true; |
| TestTransportInfo(false, options, false); |
| } |
| |
| TEST_F(MediaSessionDescriptionFactoryTest, |
| TestTransportInfoAnswerBundleCurrent) { |
| MediaSessionOptions options; |
| options.recv_audio = true; |
| options.recv_video = true; |
| options.data_channel_type = cricket::DCT_RTP; |
| options.bundle_enabled = true; |
| TestTransportInfo(false, options, true); |
| } |
| |
| // Create an offer with bundle enabled and verify the crypto parameters are |
| // the common set of the available cryptos. |
| TEST_F(MediaSessionDescriptionFactoryTest, TestCryptoWithOfferBundle) { |
| TestCryptoWithBundle(true); |
| } |
| |
| // Create an answer with bundle enabled and verify the crypto parameters are |
| // the common set of the available cryptos. |
| TEST_F(MediaSessionDescriptionFactoryTest, TestCryptoWithAnswerBundle) { |
| TestCryptoWithBundle(false); |
| } |
| |
| // Verifies that creating answer fails if the offer has UDP/TLS/RTP/SAVPF but |
| // DTLS is not enabled locally. |
| TEST_F(MediaSessionDescriptionFactoryTest, |
| TestOfferDtlsSavpfWithoutDtlsFailed) { |
| f1_.set_secure(SEC_ENABLED); |
| f2_.set_secure(SEC_ENABLED); |
| tdf1_.set_secure(SEC_DISABLED); |
| tdf2_.set_secure(SEC_DISABLED); |
| |
| std::unique_ptr<SessionDescription> offer( |
| f1_.CreateOffer(MediaSessionOptions(), NULL)); |
| ASSERT_TRUE(offer.get() != NULL); |
| ContentInfo* offer_content = offer->GetContentByName("audio"); |
| ASSERT_TRUE(offer_content != NULL); |
| AudioContentDescription* offer_audio_desc = |
| static_cast<AudioContentDescription*>(offer_content->description); |
| offer_audio_desc->set_protocol(cricket::kMediaProtocolDtlsSavpf); |
| |
| std::unique_ptr<SessionDescription> answer( |
| f2_.CreateAnswer(offer.get(), MediaSessionOptions(), NULL)); |
| ASSERT_TRUE(answer != NULL); |
| ContentInfo* answer_content = answer->GetContentByName("audio"); |
| ASSERT_TRUE(answer_content != NULL); |
| |
| ASSERT_TRUE(answer_content->rejected); |
| } |
| |
| // Offers UDP/TLS/RTP/SAVPF and verifies the answer can be created and contains |
| // UDP/TLS/RTP/SAVPF. |
| TEST_F(MediaSessionDescriptionFactoryTest, TestOfferDtlsSavpfCreateAnswer) { |
| f1_.set_secure(SEC_ENABLED); |
| f2_.set_secure(SEC_ENABLED); |
| tdf1_.set_secure(SEC_ENABLED); |
| tdf2_.set_secure(SEC_ENABLED); |
| |
| std::unique_ptr<SessionDescription> offer( |
| f1_.CreateOffer(MediaSessionOptions(), NULL)); |
| ASSERT_TRUE(offer.get() != NULL); |
| ContentInfo* offer_content = offer->GetContentByName("audio"); |
| ASSERT_TRUE(offer_content != NULL); |
| AudioContentDescription* offer_audio_desc = |
| static_cast<AudioContentDescription*>(offer_content->description); |
| offer_audio_desc->set_protocol(cricket::kMediaProtocolDtlsSavpf); |
| |
| std::unique_ptr<SessionDescription> answer( |
| f2_.CreateAnswer(offer.get(), MediaSessionOptions(), NULL)); |
| ASSERT_TRUE(answer != NULL); |
| |
| const ContentInfo* answer_content = answer->GetContentByName("audio"); |
| ASSERT_TRUE(answer_content != NULL); |
| ASSERT_FALSE(answer_content->rejected); |
| |
| const AudioContentDescription* answer_audio_desc = |
| static_cast<const AudioContentDescription*>(answer_content->description); |
| EXPECT_EQ(std::string(cricket::kMediaProtocolDtlsSavpf), |
| answer_audio_desc->protocol()); |
| } |
| |
| // Test that we include both SDES and DTLS in the offer, but only include SDES |
| // in the answer if DTLS isn't negotiated. |
| TEST_F(MediaSessionDescriptionFactoryTest, TestCryptoDtls) { |
| f1_.set_secure(SEC_ENABLED); |
| f2_.set_secure(SEC_ENABLED); |
| tdf1_.set_secure(SEC_ENABLED); |
| tdf2_.set_secure(SEC_DISABLED); |
| MediaSessionOptions options; |
| options.recv_audio = true; |
| options.recv_video = true; |
| std::unique_ptr<SessionDescription> offer, answer; |
| const cricket::MediaContentDescription* audio_media_desc; |
| const cricket::MediaContentDescription* video_media_desc; |
| const cricket::TransportDescription* audio_trans_desc; |
| const cricket::TransportDescription* video_trans_desc; |
| |
| // Generate an offer with SDES and DTLS support. |
| offer.reset(f1_.CreateOffer(options, NULL)); |
| ASSERT_TRUE(offer.get() != NULL); |
| |
| audio_media_desc = static_cast<const cricket::MediaContentDescription*>( |
| offer->GetContentDescriptionByName("audio")); |
| ASSERT_TRUE(audio_media_desc != NULL); |
| video_media_desc = static_cast<const cricket::MediaContentDescription*>( |
| offer->GetContentDescriptionByName("video")); |
| ASSERT_TRUE(video_media_desc != NULL); |
| EXPECT_EQ(2u, audio_media_desc->cryptos().size()); |
| EXPECT_EQ(1u, video_media_desc->cryptos().size()); |
| |
| audio_trans_desc = offer->GetTransportDescriptionByName("audio"); |
| ASSERT_TRUE(audio_trans_desc != NULL); |
| video_trans_desc = offer->GetTransportDescriptionByName("video"); |
| ASSERT_TRUE(video_trans_desc != NULL); |
| ASSERT_TRUE(audio_trans_desc->identity_fingerprint.get() != NULL); |
| ASSERT_TRUE(video_trans_desc->identity_fingerprint.get() != NULL); |
| |
| // Generate an answer with only SDES support, since tdf2 has crypto disabled. |
| answer.reset(f2_.CreateAnswer(offer.get(), options, NULL)); |
| ASSERT_TRUE(answer.get() != NULL); |
| |
| audio_media_desc = static_cast<const cricket::MediaContentDescription*>( |
| answer->GetContentDescriptionByName("audio")); |
| ASSERT_TRUE(audio_media_desc != NULL); |
| video_media_desc = static_cast<const cricket::MediaContentDescription*>( |
| answer->GetContentDescriptionByName("video")); |
| ASSERT_TRUE(video_media_desc != NULL); |
| EXPECT_EQ(1u, audio_media_desc->cryptos().size()); |
| EXPECT_EQ(1u, video_media_desc->cryptos().size()); |
| |
| audio_trans_desc = answer->GetTransportDescriptionByName("audio"); |
| ASSERT_TRUE(audio_trans_desc != NULL); |
| video_trans_desc = answer->GetTransportDescriptionByName("video"); |
| ASSERT_TRUE(video_trans_desc != NULL); |
| ASSERT_TRUE(audio_trans_desc->identity_fingerprint.get() == NULL); |
| ASSERT_TRUE(video_trans_desc->identity_fingerprint.get() == NULL); |
| |
| // Enable DTLS; the answer should now only have DTLS support. |
| tdf2_.set_secure(SEC_ENABLED); |
| answer.reset(f2_.CreateAnswer(offer.get(), options, NULL)); |
| ASSERT_TRUE(answer.get() != NULL); |
| |
| audio_media_desc = static_cast<const cricket::MediaContentDescription*>( |
| answer->GetContentDescriptionByName("audio")); |
| ASSERT_TRUE(audio_media_desc != NULL); |
| video_media_desc = static_cast<const cricket::MediaContentDescription*>( |
| answer->GetContentDescriptionByName("video")); |
| ASSERT_TRUE(video_media_desc != NULL); |
| EXPECT_TRUE(audio_media_desc->cryptos().empty()); |
| EXPECT_TRUE(video_media_desc->cryptos().empty()); |
| EXPECT_EQ(std::string(cricket::kMediaProtocolSavpf), |
| audio_media_desc->protocol()); |
| EXPECT_EQ(std::string(cricket::kMediaProtocolSavpf), |
| video_media_desc->protocol()); |
| |
| audio_trans_desc = answer->GetTransportDescriptionByName("audio"); |
| ASSERT_TRUE(audio_trans_desc != NULL); |
| video_trans_desc = answer->GetTransportDescriptionByName("video"); |
| ASSERT_TRUE(video_trans_desc != NULL); |
| ASSERT_TRUE(audio_trans_desc->identity_fingerprint.get() != NULL); |
| ASSERT_TRUE(video_trans_desc->identity_fingerprint.get() != NULL); |
| |
| // Try creating offer again. DTLS enabled now, crypto's should be empty |
| // in new offer. |
| offer.reset(f1_.CreateOffer(options, offer.get())); |
| ASSERT_TRUE(offer.get() != NULL); |
| audio_media_desc = static_cast<const cricket::MediaContentDescription*>( |
| offer->GetContentDescriptionByName("audio")); |
| ASSERT_TRUE(audio_media_desc != NULL); |
| video_media_desc = static_cast<const cricket::MediaContentDescription*>( |
| offer->GetContentDescriptionByName("video")); |
| ASSERT_TRUE(video_media_desc != NULL); |
| EXPECT_TRUE(audio_media_desc->cryptos().empty()); |
| EXPECT_TRUE(video_media_desc->cryptos().empty()); |
| |
| audio_trans_desc = offer->GetTransportDescriptionByName("audio"); |
| ASSERT_TRUE(audio_trans_desc != NULL); |
| video_trans_desc = offer->GetTransportDescriptionByName("video"); |
| ASSERT_TRUE(video_trans_desc != NULL); |
| ASSERT_TRUE(audio_trans_desc->identity_fingerprint.get() != NULL); |
| ASSERT_TRUE(video_trans_desc->identity_fingerprint.get() != NULL); |
| } |
| |
| // Test that an answer can't be created if cryptos are required but the offer is |
| // unsecure. |
| TEST_F(MediaSessionDescriptionFactoryTest, TestSecureAnswerToUnsecureOffer) { |
| MediaSessionOptions options; |
| f1_.set_secure(SEC_DISABLED); |
| tdf1_.set_secure(SEC_DISABLED); |
| f2_.set_secure(SEC_REQUIRED); |
| tdf1_.set_secure(SEC_ENABLED); |
| |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(options, NULL)); |
| ASSERT_TRUE(offer.get() != NULL); |
| std::unique_ptr<SessionDescription> answer( |
| f2_.CreateAnswer(offer.get(), options, NULL)); |
| EXPECT_TRUE(answer.get() == NULL); |
| } |
| |
| // Test that we accept a DTLS offer without SDES and create an appropriate |
| // answer. |
| TEST_F(MediaSessionDescriptionFactoryTest, TestCryptoOfferDtlsButNotSdes) { |
| f1_.set_secure(SEC_DISABLED); |
| f2_.set_secure(SEC_ENABLED); |
| tdf1_.set_secure(SEC_ENABLED); |
| tdf2_.set_secure(SEC_ENABLED); |
| MediaSessionOptions options; |
| options.recv_audio = true; |
| options.recv_video = true; |
| options.data_channel_type = cricket::DCT_RTP; |
| |
| std::unique_ptr<SessionDescription> offer, answer; |
| |
| // Generate an offer with DTLS but without SDES. |
| offer.reset(f1_.CreateOffer(options, NULL)); |
| ASSERT_TRUE(offer.get() != NULL); |
| |
| const AudioContentDescription* audio_offer = |
| GetFirstAudioContentDescription(offer.get()); |
| ASSERT_TRUE(audio_offer->cryptos().empty()); |
| const VideoContentDescription* video_offer = |
| GetFirstVideoContentDescription(offer.get()); |
| ASSERT_TRUE(video_offer->cryptos().empty()); |
| const DataContentDescription* data_offer = |
| GetFirstDataContentDescription(offer.get()); |
| ASSERT_TRUE(data_offer->cryptos().empty()); |
| |
| const cricket::TransportDescription* audio_offer_trans_desc = |
| offer->GetTransportDescriptionByName("audio"); |
| ASSERT_TRUE(audio_offer_trans_desc->identity_fingerprint.get() != NULL); |
| const cricket::TransportDescription* video_offer_trans_desc = |
| offer->GetTransportDescriptionByName("video"); |
| ASSERT_TRUE(video_offer_trans_desc->identity_fingerprint.get() != NULL); |
| const cricket::TransportDescription* data_offer_trans_desc = |
| offer->GetTransportDescriptionByName("data"); |
| ASSERT_TRUE(data_offer_trans_desc->identity_fingerprint.get() != NULL); |
| |
| // Generate an answer with DTLS. |
| answer.reset(f2_.CreateAnswer(offer.get(), options, NULL)); |
| ASSERT_TRUE(answer.get() != NULL); |
| |
| const cricket::TransportDescription* audio_answer_trans_desc = |
| answer->GetTransportDescriptionByName("audio"); |
| EXPECT_TRUE(audio_answer_trans_desc->identity_fingerprint.get() != NULL); |
| const cricket::TransportDescription* video_answer_trans_desc = |
| answer->GetTransportDescriptionByName("video"); |
| EXPECT_TRUE(video_answer_trans_desc->identity_fingerprint.get() != NULL); |
| const cricket::TransportDescription* data_answer_trans_desc = |
| answer->GetTransportDescriptionByName("data"); |
| EXPECT_TRUE(data_answer_trans_desc->identity_fingerprint.get() != NULL); |
| } |
| |
| // Verifies if vad_enabled option is set to false, CN codecs are not present in |
| // offer or answer. |
| TEST_F(MediaSessionDescriptionFactoryTest, TestVADEnableOption) { |
| MediaSessionOptions options; |
| options.recv_audio = true; |
| options.recv_video = true; |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(options, NULL)); |
| ASSERT_TRUE(offer.get() != NULL); |
| const ContentInfo* audio_content = offer->GetContentByName("audio"); |
| EXPECT_FALSE(VerifyNoCNCodecs(audio_content)); |
| |
| options.vad_enabled = false; |
| offer.reset(f1_.CreateOffer(options, NULL)); |
| ASSERT_TRUE(offer.get() != NULL); |
| audio_content = offer->GetContentByName("audio"); |
| EXPECT_TRUE(VerifyNoCNCodecs(audio_content)); |
| std::unique_ptr<SessionDescription> answer( |
| f1_.CreateAnswer(offer.get(), options, NULL)); |
| ASSERT_TRUE(answer.get() != NULL); |
| audio_content = answer->GetContentByName("audio"); |
| EXPECT_TRUE(VerifyNoCNCodecs(audio_content)); |
| } |
| |
| // Test that the content name ("mid" in SDP) is unchanged when creating a |
| // new offer. |
| TEST_F(MediaSessionDescriptionFactoryTest, |
| TestContentNameNotChangedInSubsequentOffers) { |
| MediaSessionOptions opts; |
| opts.recv_audio = true; |
| opts.recv_video = true; |
| opts.data_channel_type = cricket::DCT_SCTP; |
| // Create offer and modify the default content names. |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(opts, nullptr)); |
| for (ContentInfo& content : offer->contents()) { |
| content.name.append("_modified"); |
| } |
| |
| std::unique_ptr<SessionDescription> updated_offer( |
| f1_.CreateOffer(opts, offer.get())); |
| const ContentInfo* audio_content = GetFirstAudioContent(updated_offer.get()); |
| const ContentInfo* video_content = GetFirstVideoContent(updated_offer.get()); |
| const ContentInfo* data_content = GetFirstDataContent(updated_offer.get()); |
| ASSERT_TRUE(audio_content != nullptr); |
| ASSERT_TRUE(video_content != nullptr); |
| ASSERT_TRUE(data_content != nullptr); |
| EXPECT_EQ("audio_modified", audio_content->name); |
| EXPECT_EQ("video_modified", video_content->name); |
| EXPECT_EQ("data_modified", data_content->name); |
| } |
| |
| class MediaProtocolTest : public ::testing::TestWithParam<const char*> { |
| public: |
| MediaProtocolTest() : f1_(&tdf1_), f2_(&tdf2_) { |
| f1_.set_audio_codecs(MAKE_VECTOR(kAudioCodecs1)); |
| f1_.set_video_codecs(MAKE_VECTOR(kVideoCodecs1)); |
| f1_.set_data_codecs(MAKE_VECTOR(kDataCodecs1)); |
| f2_.set_audio_codecs(MAKE_VECTOR(kAudioCodecs2)); |
| f2_.set_video_codecs(MAKE_VECTOR(kVideoCodecs2)); |
| f2_.set_data_codecs(MAKE_VECTOR(kDataCodecs2)); |
| f1_.set_secure(SEC_ENABLED); |
| f2_.set_secure(SEC_ENABLED); |
| tdf1_.set_certificate(rtc::RTCCertificate::Create( |
| std::unique_ptr<rtc::SSLIdentity>(new rtc::FakeSSLIdentity("id1")))); |
| tdf2_.set_certificate(rtc::RTCCertificate::Create( |
| std::unique_ptr<rtc::SSLIdentity>(new rtc::FakeSSLIdentity("id2")))); |
| tdf1_.set_secure(SEC_ENABLED); |
| tdf2_.set_secure(SEC_ENABLED); |
| } |
| |
| protected: |
| MediaSessionDescriptionFactory f1_; |
| MediaSessionDescriptionFactory f2_; |
| TransportDescriptionFactory tdf1_; |
| TransportDescriptionFactory tdf2_; |
| }; |
| |
| TEST_P(MediaProtocolTest, TestAudioVideoAcceptance) { |
| MediaSessionOptions opts; |
| opts.recv_video = true; |
| std::unique_ptr<SessionDescription> offer(f1_.CreateOffer(opts, nullptr)); |
| ASSERT_TRUE(offer.get() != nullptr); |
| // Set the protocol for all the contents. |
| for (auto content : offer.get()->contents()) { |
| static_cast<MediaContentDescription*>(content.description) |
| ->set_protocol(GetParam()); |
| } |
| std::unique_ptr<SessionDescription> answer( |
| f2_.CreateAnswer(offer.get(), opts, nullptr)); |
| const ContentInfo* ac = answer->GetContentByName("audio"); |
| const ContentInfo* vc = answer->GetContentByName("video"); |
| ASSERT_TRUE(ac != nullptr); |
| ASSERT_TRUE(vc != nullptr); |
| EXPECT_FALSE(ac->rejected); // the offer is accepted |
| EXPECT_FALSE(vc->rejected); |
| const AudioContentDescription* acd = |
| static_cast<const AudioContentDescription*>(ac->description); |
| const VideoContentDescription* vcd = |
| static_cast<const VideoContentDescription*>(vc->description); |
| EXPECT_EQ(GetParam(), acd->protocol()); |
| EXPECT_EQ(GetParam(), vcd->protocol()); |
| } |
| |
| INSTANTIATE_TEST_CASE_P(MediaProtocolPatternTest, |
| MediaProtocolTest, |
| ::testing::ValuesIn(kMediaProtocols)); |
| INSTANTIATE_TEST_CASE_P(MediaProtocolDtlsPatternTest, |
| MediaProtocolTest, |
| ::testing::ValuesIn(kMediaProtocolsDtls)); |
