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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
#include <iostream>
#include <map>
#include "nss.h"
#include "ssl.h"
#include "mozilla/Preferences.h"
#include "mozilla/RefPtr.h"
#define GTEST_HAS_RTTI 0
#include "gtest/gtest.h"
#include "CodecConfig.h"
#include "PeerConnectionImpl.h"
#include "sdp/SdpMediaSection.h"
#include "sdp/SipccSdpParser.h"
#include "jsep/JsepCodecDescription.h"
#include "jsep/JsepTrack.h"
#include "jsep/JsepSession.h"
#include "jsep/JsepSessionImpl.h"
namespace mozilla {
static std::string kAEqualsCandidate("a=candidate:");
const static size_t kNumCandidatesPerComponent = 3;
class JsepSessionTestBase : public ::testing::Test {
public:
static void SetUpTestCase() {
NSS_NoDB_Init(nullptr);
NSS_SetDomesticPolicy();
}
};
class FakeUuidGenerator : public mozilla::JsepUuidGenerator {
public:
bool Generate(std::string* str) {
std::ostringstream os;
os << "FAKE_UUID_" << ++ctr;
*str = os.str();
return true;
}
mozilla::JsepUuidGenerator* Clone() const {
return new FakeUuidGenerator(*this);
}
private:
static uint64_t ctr;
};
uint64_t FakeUuidGenerator::ctr = 1000;
class JsepSessionTest : public JsepSessionTestBase,
public ::testing::WithParamInterface<std::string> {
public:
JsepSessionTest() : mSdpHelper(&mLastError) {
Preferences::SetCString("media.peerconnection.sdp.parser", "legacy");
Preferences::SetCString("media.peerconnection.sdp.alternate_parse_mode",
"never");
Preferences::SetBool("media.peerconnection.video.use_rtx", true);
Preferences::SetBool("media.navigator.video.use_transport_cc", true);
Preferences::SetBool("media.navigator.video.disable_h264_baseline", false);
mSessionOff =
MakeUnique<JsepSessionImpl>("Offerer", MakeUnique<FakeUuidGenerator>());
mSessionAns = MakeUnique<JsepSessionImpl>("Answerer",
MakeUnique<FakeUuidGenerator>());
EXPECT_EQ(NS_OK, mSessionOff->Init());
EXPECT_EQ(NS_OK, mSessionAns->Init());
std::vector<UniquePtr<JsepCodecDescription>> preferredCodecs;
PeerConnectionImpl::SetupPreferredCodecs(preferredCodecs);
mSessionOff->SetDefaultCodecs(preferredCodecs);
mSessionAns->SetDefaultCodecs(preferredCodecs);
std::vector<PeerConnectionImpl::RtpExtensionHeader> preferredHeaders;
PeerConnectionImpl::SetupPreferredRtpExtensions(preferredHeaders);
for (const auto& header : preferredHeaders) {
mSessionOff->AddRtpExtension(header.mMediaType, header.extensionname,
header.direction);
mSessionAns->AddRtpExtension(header.mMediaType, header.extensionname,
header.direction);
}
mOffererTransport = MakeUnique<TransportData>();
mAnswererTransport = MakeUnique<TransportData>();
AddTransportData(*mSessionOff, *mOffererTransport);
AddTransportData(*mSessionAns, *mAnswererTransport);
mOffCandidates = MakeUnique<CandidateSet>();
mAnsCandidates = MakeUnique<CandidateSet>();
}
static std::vector<JsepTransceiver>& GetTransceivers(JsepSession& aSession) {
return aSession.GetTransceivers();
}
static const std::vector<JsepTransceiver>& GetTransceivers(
const JsepSession& aSession) {
return aSession.GetTransceivers();
}
protected:
struct TransportData {
std::map<nsCString, std::vector<uint8_t>> mFingerprints;
};
void AddDtlsFingerprint(const nsCString& alg, JsepSessionImpl& session,
TransportData& tdata) {
std::vector<uint8_t> fp;
fp.assign((alg == "sha-1") ? 20 : 32,
(session.GetName() == "Offerer") ? 0x4f : 0x41);
session.AddDtlsFingerprint(alg, fp);
tdata.mFingerprints[alg] = fp;
}
void AddTransportData(JsepSessionImpl& session, TransportData& tdata) {
AddDtlsFingerprint("sha-1"_ns, session, tdata);
AddDtlsFingerprint("sha-256"_ns, session, tdata);
}
void CheckTransceiverInvariants(
const std::vector<JsepTransceiver>& oldTransceivers,
const std::vector<JsepTransceiver>& newTransceivers) {
ASSERT_LE(oldTransceivers.size(), newTransceivers.size());
std::set<size_t> levels;
for (const auto& newTransceiver : newTransceivers) {
if (newTransceiver.HasLevel()) {
ASSERT_FALSE(levels.count(newTransceiver.GetLevel()))
<< "Two new transceivers are mapped to level "
<< newTransceiver.GetLevel();
levels.insert(newTransceiver.GetLevel());
}
}
auto last = levels.rbegin();
if (last != levels.rend()) {
ASSERT_LE(*last, levels.size())
<< "Max level observed in transceivers was " << *last
<< ", but there are only " << levels.size()
<< " levels in the "
"transceivers.";
}
for (const auto& oldTransceiver : oldTransceivers) {
if (oldTransceiver.HasLevel()) {
ASSERT_TRUE(levels.count(oldTransceiver.GetLevel()))
<< "Level " << oldTransceiver.GetLevel()
<< " had a transceiver in the old, but not the new (or, "
"perhaps this level had more than one transceiver in the "
"old)";
levels.erase(oldTransceiver.GetLevel());
}
}
}
std::string CreateOffer(const Maybe<JsepOfferOptions>& options = Nothing()) {
std::vector<JsepTransceiver> transceiversBefore =
GetTransceivers(*mSessionOff);
JsepOfferOptions defaultOptions;
const JsepOfferOptions& optionsRef = options ? *options : defaultOptions;
std::string offer;
JsepSession::Result result = mSessionOff->CreateOffer(optionsRef, &offer);
EXPECT_FALSE(result.mError.isSome()) << mSessionOff->GetLastError();
std::cerr << "OFFER: " << offer << std::endl;
ValidateTransport(*mOffererTransport, offer, sdp::kOffer);
if (transceiversBefore.size() != GetTransceivers(*mSessionOff).size()) {
EXPECT_TRUE(false) << "CreateOffer changed number of transceivers!";
return offer;
}
CheckTransceiverInvariants(transceiversBefore,
GetTransceivers(*mSessionOff));
for (size_t i = 0; i < transceiversBefore.size(); ++i) {
JsepTransceiver oldTransceiver = transceiversBefore[i];
JsepTransceiver newTransceiver = GetTransceivers(*mSessionOff)[i];
EXPECT_EQ(oldTransceiver.IsStopped(), newTransceiver.IsStopped());
if (oldTransceiver.IsStopped()) {
if (!newTransceiver.HasLevel()) {
// Tolerate unmapping of stopped transceivers by removing this
// difference.
oldTransceiver.ClearLevel();
}
} else if (!oldTransceiver.HasLevel()) {
EXPECT_TRUE(newTransceiver.HasLevel());
// Tolerate new mappings.
oldTransceiver.SetLevel(newTransceiver.GetLevel());
}
EXPECT_TRUE(Equals(oldTransceiver, newTransceiver));
}
return offer;
}
typedef enum { NO_ADDTRACK_MAGIC, ADDTRACK_MAGIC } AddTrackMagic;
void AddTracks(JsepSessionImpl& side, AddTrackMagic magic = ADDTRACK_MAGIC) {
// Add tracks.
if (types.empty()) {
types = BuildTypes(GetParam());
}
AddTracks(side, types, magic);
// Now, we move datachannel to the end
auto it =
std::find(types.begin(), types.end(), SdpMediaSection::kApplication);
if (it != types.end()) {
types.erase(it);
types.push_back(SdpMediaSection::kApplication);
}
}
void AddTracks(JsepSessionImpl& side, const std::string& mediatypes,
AddTrackMagic magic = ADDTRACK_MAGIC) {
AddTracks(side, BuildTypes(mediatypes), magic);
}
JsepTrack RemoveTrack(JsepSession& side, size_t index) {
if (GetTransceivers(side).size() <= index) {
EXPECT_TRUE(false) << "Index " << index << " out of bounds!";
return JsepTrack(SdpMediaSection::kAudio, sdp::kSend);
}
JsepTransceiver transceiver(GetTransceivers(side)[index]);
JsepTrack& track = transceiver.mSendTrack;
EXPECT_FALSE(track.GetStreamIds().empty()) << "No track at index " << index;
JsepTrack original(track);
track.ClearStreamIds();
transceiver.mJsDirection &= SdpDirectionAttribute::Direction::kRecvonly;
side.SetTransceiver(transceiver);
return original;
}
void SetDirection(JsepSession& side, size_t index,
SdpDirectionAttribute::Direction direction) {
ASSERT_LT(index, GetTransceivers(side).size())
<< "Index " << index << " out of bounds!";
auto transceiver = GetTransceivers(side)[index];
transceiver.mJsDirection = direction;
side.SetTransceiver(transceiver);
}
std::vector<SdpMediaSection::MediaType> BuildTypes(
const std::string& mediatypes) {
std::vector<SdpMediaSection::MediaType> result;
size_t ptr = 0;
for (;;) {
size_t comma = mediatypes.find(',', ptr);
std::string chunk = mediatypes.substr(ptr, comma - ptr);
if (chunk == "audio") {
result.push_back(SdpMediaSection::kAudio);
} else if (chunk == "video") {
result.push_back(SdpMediaSection::kVideo);
} else if (chunk == "datachannel") {
result.push_back(SdpMediaSection::kApplication);
} else {
MOZ_CRASH();
}
if (comma == std::string::npos) break;
ptr = comma + 1;
}
return result;
}
void AddTracks(JsepSessionImpl& side,
const std::vector<SdpMediaSection::MediaType>& mediatypes,
AddTrackMagic magic = ADDTRACK_MAGIC) {
std::string stream_id;
std::string track_id;
ASSERT_TRUE(mUuidGen.Generate(&stream_id));
AddTracksToStream(side, stream_id, mediatypes, magic);
}
void AddTracksToStream(JsepSessionImpl& side, const std::string stream_id,
const std::string& mediatypes,
AddTrackMagic magic = ADDTRACK_MAGIC) {
AddTracksToStream(side, stream_id, BuildTypes(mediatypes), magic);
}
// A bit of a hack. JsepSessionImpl populates the track-id automatically, just
// in case, because the w3c spec requires msid to be set even when there's no
// send track.
bool IsNull(const JsepTrack& track) const {
return track.GetStreamIds().empty() &&
(track.GetMediaType() != SdpMediaSection::MediaType::kApplication);
}
void AddTracksToStream(
JsepSessionImpl& side, const std::string stream_id,
const std::vector<SdpMediaSection::MediaType>& mediatypes,
AddTrackMagic magic = ADDTRACK_MAGIC)
{
std::string track_id;
for (auto type : mediatypes) {
ASSERT_TRUE(mUuidGen.Generate(&track_id));
Maybe<JsepTransceiver> suitableTransceiver;
size_t i;
if (magic == ADDTRACK_MAGIC) {
// We're simulating addTrack.
for (i = 0; i < GetTransceivers(side).size(); ++i) {
auto transceiver = GetTransceivers(side)[i];
if (transceiver.mSendTrack.GetMediaType() != type) {
continue;
}
if (IsNull(transceiver.mSendTrack) ||
transceiver.GetMediaType() == SdpMediaSection::kApplication) {
suitableTransceiver = Some(transceiver);
break;
}
}
}
if (!suitableTransceiver) {
i = GetTransceivers(side).size();
side.AddTransceiver(JsepTransceiver(type, mUuidGen));
suitableTransceiver = Some(GetTransceivers(side).back());
if (magic == ADDTRACK_MAGIC) {
suitableTransceiver->SetAddTrackMagic();
}
}
std::cerr << "Updating send track for transceiver " << i << std::endl;
suitableTransceiver->SetOnlyExistsBecauseOfSetRemote(false);
suitableTransceiver->mJsDirection |=
SdpDirectionAttribute::Direction::kSendonly;
suitableTransceiver->mSendTrack.UpdateStreamIds(
std::vector<std::string>(1, stream_id));
side.SetTransceiver(*suitableTransceiver);
}
}
bool HasMediaStream(const std::vector<JsepTrack>& tracks) const {
for (const auto& track : tracks) {
if (track.GetMediaType() != SdpMediaSection::kApplication) {
return true;
}
}
return false;
}
const std::string GetFirstLocalStreamId(JsepSessionImpl& side) const {
auto tracks = GetLocalTracks(side);
return tracks.begin()->GetStreamIds()[0];
}
std::vector<JsepTrack> GetLocalTracks(const JsepSession& session) const {
std::vector<JsepTrack> result;
for (const auto& transceiver : GetTransceivers(session)) {
if (!IsNull(transceiver.mSendTrack)) {
result.push_back(transceiver.mSendTrack);
}
}
return result;
}
std::vector<JsepTrack> GetRemoteTracks(const JsepSession& session) const {
std::vector<JsepTrack> result;
for (const auto& transceiver : GetTransceivers(session)) {
if (!IsNull(transceiver.mRecvTrack)) {
result.push_back(transceiver.mRecvTrack);
}
}
return result;
}
JsepTransceiver* GetDatachannelTransceiver(JsepSession& side) {
for (auto& transceiver : GetTransceivers(side)) {
if (transceiver.mSendTrack.GetMediaType() ==
SdpMediaSection::MediaType::kApplication) {
return &transceiver;
}
}
return nullptr;
}
JsepTransceiver* GetNegotiatedTransceiver(JsepSession& side, size_t index) {
for (auto& transceiver : GetTransceivers(side)) {
if (transceiver.mSendTrack.GetNegotiatedDetails() ||
transceiver.mRecvTrack.GetNegotiatedDetails()) {
if (index) {
--index;
continue;
}
return &transceiver;
}
}
return nullptr;
}
Maybe<JsepTransceiver> GetTransceiverByLevel(
const std::vector<JsepTransceiver>& transceivers, size_t level) {
for (auto& transceiver : transceivers) {
if (transceiver.HasLevel() && transceiver.GetLevel() == level) {
return Some(transceiver);
}
}
return Nothing();
}
Maybe<JsepTransceiver> GetTransceiverByLevel(JsepSession& side,
size_t level) {
return GetTransceiverByLevel(GetTransceivers(side), level);
}
std::vector<std::string> GetMediaStreamIds(
const std::vector<JsepTrack>& tracks) const {
std::vector<std::string> ids;
for (const auto& track : tracks) {
// data channels don't have msid's
if (track.GetMediaType() == SdpMediaSection::kApplication) {
continue;
}
ids.insert(ids.end(), track.GetStreamIds().begin(),
track.GetStreamIds().end());
}
return ids;
}
std::vector<std::string> GetLocalMediaStreamIds(JsepSessionImpl& side) const {
return GetMediaStreamIds(GetLocalTracks(side));
}
std::vector<std::string> GetRemoteMediaStreamIds(
JsepSessionImpl& side) const {
return GetMediaStreamIds(GetRemoteTracks(side));
}
std::vector<std::string> sortUniqueStrVector(
std::vector<std::string> in) const {
std::sort(in.begin(), in.end());
auto it = std::unique(in.begin(), in.end());
in.resize(std::distance(in.begin(), it));
return in;
}
std::vector<std::string> GetLocalUniqueStreamIds(
JsepSessionImpl& side) const {
return sortUniqueStrVector(GetLocalMediaStreamIds(side));
}
std::vector<std::string> GetRemoteUniqueStreamIds(
JsepSessionImpl& side) const {
return sortUniqueStrVector(GetRemoteMediaStreamIds(side));
}
JsepTrack GetTrack(JsepSessionImpl& side, SdpMediaSection::MediaType type,
size_t index) const {
for (const auto& transceiver : GetTransceivers(side)) {
if (IsNull(transceiver.mSendTrack) ||
transceiver.mSendTrack.GetMediaType() != type) {
continue;
}
if (index != 0) {
--index;
continue;
}
return transceiver.mSendTrack;
}
return JsepTrack(type, sdp::kSend);
}
JsepTrack GetTrackOff(size_t index, SdpMediaSection::MediaType type) {
return GetTrack(*mSessionOff, type, index);
}
JsepTrack GetTrackAns(size_t index, SdpMediaSection::MediaType type) {
return GetTrack(*mSessionAns, type, index);
}
bool Equals(const SdpFingerprintAttributeList::Fingerprint& f1,
const SdpFingerprintAttributeList::Fingerprint& f2) const {
if (f1.hashFunc != f2.hashFunc) {
return false;
}
if (f1.fingerprint != f2.fingerprint) {
return false;
}
return true;
}
bool Equals(const SdpFingerprintAttributeList& f1,
const SdpFingerprintAttributeList& f2) const {
if (f1.mFingerprints.size() != f2.mFingerprints.size()) {
return false;
}
for (size_t i = 0; i < f1.mFingerprints.size(); ++i) {
if (!Equals(f1.mFingerprints[i], f2.mFingerprints[i])) {
return false;
}
}
return true;
}
bool Equals(const UniquePtr<JsepDtlsTransport>& t1,
const UniquePtr<JsepDtlsTransport>& t2) const {
if (!t1 && !t2) {
return true;
}
if (!t1 || !t2) {
return false;
}
if (!Equals(t1->GetFingerprints(), t2->GetFingerprints())) {
return false;
}
if (t1->GetRole() != t2->GetRole()) {
return false;
}
return true;
}
bool Equals(const UniquePtr<JsepIceTransport>& t1,
const UniquePtr<JsepIceTransport>& t2) const {
if (!t1 && !t2) {
return true;
}
if (!t1 || !t2) {
return false;
}
if (t1->GetUfrag() != t2->GetUfrag()) {
return false;
}
if (t1->GetPassword() != t2->GetPassword()) {
return false;
}
return true;
}
bool Equals(const JsepTransport& t1, const JsepTransport& t2) const {
if (t1.mTransportId != t2.mTransportId) {
std::cerr << "Transport id differs: " << t1.mTransportId << " vs "
<< t2.mTransportId << std::endl;
return false;
}
if (t1.mComponents != t2.mComponents) {
std::cerr << "Component count differs" << std::endl;
return false;
}
if (!Equals(t1.mIce, t2.mIce)) {
std::cerr << "ICE differs" << std::endl;
return false;
}
return true;
}
bool Equals(const JsepTrack& t1, const JsepTrack& t2) const {
if (t1.GetMediaType() != t2.GetMediaType()) {
return false;
}
if (t1.GetDirection() != t2.GetDirection()) {
return false;
}
if (t1.GetStreamIds() != t2.GetStreamIds()) {
return false;
}
if (t1.GetActive() != t2.GetActive()) {
return false;
}
if (t1.GetCNAME() != t2.GetCNAME()) {
return false;
}
if (t1.GetSsrcs() != t2.GetSsrcs()) {
return false;
}
return true;
}
bool Equals(const JsepTransceiver& p1, const JsepTransceiver& p2) const {
if (p1.HasLevel() != p2.HasLevel()) {
std::cerr << "One transceiver has a level, the other doesn't"
<< std::endl;
return false;
}
if (p1.HasLevel() && (p1.GetLevel() != p2.GetLevel())) {
std::cerr << "Level differs: " << p1.GetLevel() << " vs " << p2.GetLevel()
<< std::endl;
return false;
}
// We don't check things like BundleLevel(), since that can change without
// any changes to the transport, which is what we're really interested in.
if (p1.IsStopped() != p2.IsStopped()) {
std::cerr << "One transceiver is stopped, the other is not" << std::endl;
return false;
}
if (p1.IsAssociated() != p2.IsAssociated()) {
std::cerr << "One transceiver has a mid, the other doesn't" << std::endl;
return false;
}
if (p1.IsAssociated() && (p1.GetMid() != p2.GetMid())) {
std::cerr << "mid differs: " << p1.GetMid() << " vs " << p2.GetMid()
<< std::endl;
return false;
}
if (!Equals(p1.mSendTrack, p2.mSendTrack)) {
std::cerr << "Send track differs" << std::endl;
return false;
}
if (!Equals(p1.mRecvTrack, p2.mRecvTrack)) {
std::cerr << "Receive track differs" << std::endl;
return false;
}
if (!Equals(p1.mTransport, p2.mTransport)) {
std::cerr << "Transport differs" << std::endl;
return false;
}
return true;
}
bool Equals(const std::vector<JsepTransceiver>& t1,
const std::vector<JsepTransceiver>& t2) const {
if (t1.size() != t2.size()) {
std::cerr << "Size differs: t1.size = " << t1.size()
<< ", t2.size = " << t2.size() << std::endl;
return false;
}
for (size_t i = 0; i < t1.size(); ++i) {
if (!Equals(t1[i], t2[i])) {
return false;
}
}
return true;
}
size_t GetTrackCount(JsepSessionImpl& side,
SdpMediaSection::MediaType type) const {
size_t result = 0;
for (const auto& track : GetLocalTracks(side)) {
if (track.GetMediaType() == type) {
++result;
}
}
return result;
}
UniquePtr<Sdp> GetParsedLocalDescription(const JsepSessionImpl& side) const {
return Parse(side.GetLocalDescription(kJsepDescriptionCurrent));
}
SdpMediaSection* GetMsection(Sdp& sdp, SdpMediaSection::MediaType type,
size_t index) const {
for (size_t i = 0; i < sdp.GetMediaSectionCount(); ++i) {
auto& msection = sdp.GetMediaSection(i);
if (msection.GetMediaType() != type) {
continue;
}
if (index) {
--index;
continue;
}
return &msection;
}
return nullptr;
}
void SetPayloadTypeNumber(JsepSession& session, const std::string& codecName,
const std::string& payloadType) {
for (auto& codec : session.Codecs()) {
if (codec->mName == codecName) {
codec->mDefaultPt = payloadType;
}
}
}
void SetCodecEnabled(JsepSession& session, const std::string& codecName,
bool enabled) {
for (auto& codec : session.Codecs()) {
if (codec->mName == codecName) {
codec->mEnabled = enabled;
}
}
}
void EnsureNegotiationFailure(SdpMediaSection::MediaType type,
const std::string& codecName) {
for (auto& codec : mSessionOff->Codecs()) {
if (codec->Type() == type && codec->mName != codecName) {
codec->mEnabled = false;
}
}
for (auto& codec : mSessionAns->Codecs()) {
if (codec->Type() == type && codec->mName == codecName) {
codec->mEnabled = false;
}
}
}
std::string CreateAnswer() {
std::vector<JsepTransceiver> transceiversBefore =
GetTransceivers(*mSessionAns);
JsepAnswerOptions options;
std::string answer;
JsepSession::Result result = mSessionAns->CreateAnswer(options, &answer);
EXPECT_FALSE(result.mError.isSome());
std::cerr << "ANSWER: " << answer << std::endl;
ValidateTransport(*mAnswererTransport, answer, sdp::kAnswer);
CheckTransceiverInvariants(transceiversBefore,
GetTransceivers(*mSessionAns));
return answer;
}
static const uint32_t NO_CHECKS = 0;
static const uint32_t CHECK_SUCCESS = 1;
static const uint32_t CHECK_TRACKS = 1 << 2;
static const uint32_t ALL_CHECKS = CHECK_SUCCESS | CHECK_TRACKS;
void OfferAnswer(uint32_t checkFlags = ALL_CHECKS,
const Maybe<JsepOfferOptions>& options = Nothing()) {
std::string offer = CreateOffer(options);
SetLocalOffer(offer, checkFlags);
SetRemoteOffer(offer, checkFlags);
std::string answer = CreateAnswer();
SetLocalAnswer(answer, checkFlags);
SetRemoteAnswer(answer, checkFlags);
}
void SetLocalOffer(const std::string& offer,
uint32_t checkFlags = ALL_CHECKS) {
std::vector<JsepTransceiver> transceiversBefore =
GetTransceivers(*mSessionOff);
JsepSession::Result result =
mSessionOff->SetLocalDescription(kJsepSdpOffer, offer);
CheckTransceiverInvariants(transceiversBefore,
GetTransceivers(*mSessionOff));
if (checkFlags & CHECK_SUCCESS) {
ASSERT_FALSE(result.mError.isSome());
}
if (checkFlags & CHECK_TRACKS) {
// This assumes no recvonly or inactive transceivers.
ASSERT_EQ(types.size(), GetTransceivers(*mSessionOff).size());
for (const auto& transceiver : GetTransceivers(*mSessionOff)) {
if (!transceiver.HasLevel()) {
continue;
}
const auto& track(transceiver.mSendTrack);
size_t level = transceiver.GetLevel();
ASSERT_FALSE(IsNull(track));
ASSERT_EQ(types[level], track.GetMediaType());
if (track.GetMediaType() != SdpMediaSection::kApplication) {
std::string msidAttr("a=msid:");
msidAttr += track.GetStreamIds()[0];
ASSERT_NE(std::string::npos, offer.find(msidAttr))
<< "Did not find " << msidAttr << " in offer";
}
}
if (types.size() == 1 && types[0] == SdpMediaSection::kApplication) {
ASSERT_EQ(std::string::npos, offer.find("a=ssrc"))
<< "Data channel should not contain SSRC";
}
}
}
void SetRemoteOffer(const std::string& offer,
uint32_t checkFlags = ALL_CHECKS) {
std::vector<JsepTransceiver> transceiversBefore =
GetTransceivers(*mSessionAns);
JsepSession::Result result =
mSessionAns->SetRemoteDescription(kJsepSdpOffer, offer);
CheckTransceiverInvariants(transceiversBefore,
GetTransceivers(*mSessionAns));
if (checkFlags & CHECK_SUCCESS) {
ASSERT_FALSE(result.mError.isSome());
}
if (checkFlags & CHECK_TRACKS) {
// This assumes no recvonly or inactive transceivers.
ASSERT_EQ(types.size(), GetTransceivers(*mSessionAns).size());
for (const auto& transceiver : GetTransceivers(*mSessionAns)) {
if (!transceiver.HasLevel()) {
continue;
}
const auto& track(transceiver.mRecvTrack);
size_t level = transceiver.GetLevel();
ASSERT_FALSE(IsNull(track));
ASSERT_EQ(types[level], track.GetMediaType());
if (track.GetMediaType() != SdpMediaSection::kApplication) {
std::string msidAttr("a=msid:");
msidAttr += track.GetStreamIds()[0];
// Track id will not match, and will eventually not be present at all
ASSERT_NE(std::string::npos, offer.find(msidAttr))
<< "Did not find " << msidAttr << " in offer";
}
}
}
}
void SetLocalAnswer(const std::string& answer,
uint32_t checkFlags = ALL_CHECKS) {
std::vector<JsepTransceiver> transceiversBefore =
GetTransceivers(*mSessionAns);
JsepSession::Result result =
mSessionAns->SetLocalDescription(kJsepSdpAnswer, answer);
if (checkFlags & CHECK_SUCCESS) {
ASSERT_FALSE(result.mError.isSome());
}
CheckTransceiverInvariants(transceiversBefore,
GetTransceivers(*mSessionAns));
if (checkFlags & CHECK_TRACKS) {
// Verify that the right stuff is in the tracks.
ASSERT_EQ(types.size(), GetTransceivers(*mSessionAns).size());
for (const auto& transceiver : GetTransceivers(*mSessionAns)) {
if (!transceiver.HasLevel()) {
continue;
}
const auto& sendTrack(transceiver.mSendTrack);
const auto& recvTrack(transceiver.mRecvTrack);
size_t level = transceiver.GetLevel();
ASSERT_FALSE(IsNull(sendTrack));
ASSERT_EQ(types[level], sendTrack.GetMediaType());
// These might have been in the SDP, or might have been randomly
// chosen by JsepSessionImpl
ASSERT_FALSE(IsNull(recvTrack));
ASSERT_EQ(types[level], recvTrack.GetMediaType());
if (recvTrack.GetMediaType() != SdpMediaSection::kApplication) {
std::string msidAttr("a=msid:");
msidAttr += sendTrack.GetStreamIds()[0];
ASSERT_NE(std::string::npos, answer.find(msidAttr))
<< "Did not find " << msidAttr << " in answer";
}
}
if (types.size() == 1 && types[0] == SdpMediaSection::kApplication) {
ASSERT_EQ(std::string::npos, answer.find("a=ssrc"))
<< "Data channel should not contain SSRC";
}
}
std::cerr << "Answerer transceivers:" << std::endl;
DumpTransceivers(*mSessionAns);
}
void SetRemoteAnswer(const std::string& answer,
uint32_t checkFlags = ALL_CHECKS) {
std::vector<JsepTransceiver> transceiversBefore =
GetTransceivers(*mSessionOff);
JsepSession::Result result =
mSessionOff->SetRemoteDescription(kJsepSdpAnswer, answer);
if (checkFlags & CHECK_SUCCESS) {
ASSERT_FALSE(result.mError.isSome());
}
CheckTransceiverInvariants(transceiversBefore,
GetTransceivers(*mSessionOff));
if (checkFlags & CHECK_TRACKS) {
// Verify that the right stuff is in the tracks.
ASSERT_EQ(types.size(), GetTransceivers(*mSessionOff).size());
for (const auto& transceiver : GetTransceivers(*mSessionOff)) {
if (!transceiver.HasLevel()) {
continue;
}
const auto& sendTrack(transceiver.mSendTrack);
const auto& recvTrack(transceiver.mRecvTrack);
size_t level = transceiver.GetLevel();
ASSERT_FALSE(IsNull(sendTrack));
ASSERT_EQ(types[level], sendTrack.GetMediaType());
// These might have been in the SDP, or might have been randomly
// chosen by JsepSessionImpl
ASSERT_FALSE(IsNull(recvTrack));
ASSERT_EQ(types[level], recvTrack.GetMediaType());
if (recvTrack.GetMediaType() != SdpMediaSection::kApplication) {
std::string msidAttr("a=msid:");
msidAttr += recvTrack.GetStreamIds()[0];
// Track id will not match, and will eventually not be present at all
ASSERT_NE(std::string::npos, answer.find(msidAttr))
<< "Did not find " << msidAttr << " in answer";
}
}
}
std::cerr << "Offerer transceivers:" << std::endl;
DumpTransceivers(*mSessionOff);
}
std::string GetTransportId(const JsepSession& session, size_t level) {
for (const auto& transceiver : GetTransceivers(session)) {
if (transceiver.HasLevel() && transceiver.GetLevel() == level) {
return transceiver.mTransport.mTransportId;
}
}
return std::string();
}
typedef enum { RTP = 1, RTCP = 2 } ComponentType;
class CandidateSet {
public:
CandidateSet() {}
void Gather(JsepSession& session, ComponentType maxComponent = RTCP) {
for (const auto& transceiver : GetTransceivers(session)) {
if (transceiver.HasOwnTransport()) {
Gather(session, transceiver.mTransport.mTransportId, RTP);
if (transceiver.mTransport.mComponents > 1) {
Gather(session, transceiver.mTransport.mTransportId, RTCP);
}
}
}
FinishGathering(session);
}
void Gather(JsepSession& session, const std::string& transportId,
ComponentType component) {
static uint16_t port = 1000;
std::vector<std::string> candidates;
for (size_t i = 0; i < kNumCandidatesPerComponent; ++i) {
++port;
std::ostringstream candidate;
candidate << "0 " << static_cast<uint16_t>(component)
<< " UDP 9999 192.168.0.1 " << port << " typ host";
std::string mid;
uint16_t level = 0;
bool skipped;
session.AddLocalIceCandidate(kAEqualsCandidate + candidate.str(),
transportId, "", &level, &mid, &skipped);
if (!skipped) {
mCandidatesToTrickle.push_back(std::tuple<Level, Mid, Candidate>(
level, mid, kAEqualsCandidate + candidate.str()));
candidates.push_back(candidate.str());
}
}
// Stomp existing candidates
mCandidates[transportId][component] = candidates;
// Stomp existing defaults
mDefaultCandidates[transportId][component] =
std::make_pair("192.168.0.1", port);
session.UpdateDefaultCandidate(
mDefaultCandidates[transportId][RTP].first,
mDefaultCandidates[transportId][RTP].second,
// Will be empty string if not present, which is how we indicate
// that there is no default for RTCP
mDefaultCandidates[transportId][RTCP].first,
mDefaultCandidates[transportId][RTCP].second, transportId);
}
void FinishGathering(JsepSession& session) const {
// Copy so we can be terse and use []
for (auto idAndCandidates : mDefaultCandidates) {
ASSERT_EQ(1U, idAndCandidates.second.count(RTP));
// do a final UpdateDefaultCandidate here in case candidates were
// cleared during renegotiation.
session.UpdateDefaultCandidate(
idAndCandidates.second[RTP].first,
idAndCandidates.second[RTP].second,
// Will be empty string if not present, which is how we indicate
// that there is no default for RTCP
idAndCandidates.second[RTCP].first,
idAndCandidates.second[RTCP].second, idAndCandidates.first);
std::string mid;
uint16_t level = 0;
bool skipped;
session.AddLocalIceCandidate("", idAndCandidates.first, "", &level,
&mid, &skipped);
}
}
void Trickle(JsepSession& session) {
std::string transportId;
for (const auto& levelMidAndCandidate : mCandidatesToTrickle) {
auto [level, mid, candidate] = levelMidAndCandidate;
std::cerr << "trickling candidate: " << candidate << " level: " << level
<< " mid: " << mid << std::endl;
Maybe<unsigned long> lev = Some(level);
session.AddRemoteIceCandidate(candidate, mid, lev, "", &transportId);
}
session.AddRemoteIceCandidate("", "", Maybe<uint16_t>(), "",
&transportId);
mCandidatesToTrickle.clear();
}
void CheckRtpCandidates(bool expectRtpCandidates,
const SdpMediaSection& msection,
const std::string& transportId,
const std::string& context) const {
auto& attrs = msection.GetAttributeList();
ASSERT_EQ(expectRtpCandidates,
attrs.HasAttribute(SdpAttribute::kCandidateAttribute))
<< context << " (level " << msection.GetLevel() << ")";
if (expectRtpCandidates) {
// Copy so we can be terse and use []
auto expectedCandidates = mCandidates;
ASSERT_LE(kNumCandidatesPerComponent,
expectedCandidates[transportId][RTP].size());
auto& candidates = attrs.GetCandidate();
ASSERT_LE(kNumCandidatesPerComponent, candidates.size())
<< context << " (level " << msection.GetLevel() << ")";
for (size_t i = 0; i < kNumCandidatesPerComponent; ++i) {
ASSERT_EQ(expectedCandidates[transportId][RTP][i], candidates[i])
<< context << " (level " << msection.GetLevel() << ")";
}
}
}
void CheckRtcpCandidates(bool expectRtcpCandidates,
const SdpMediaSection& msection,
const std::string& transportId,
const std::string& context) const {
auto& attrs = msection.GetAttributeList();
if (expectRtcpCandidates) {
// Copy so we can be terse and use []
auto expectedCandidates = mCandidates;
ASSERT_LE(kNumCandidatesPerComponent,
expectedCandidates[transportId][RTCP].size());
ASSERT_TRUE(attrs.HasAttribute(SdpAttribute::kCandidateAttribute))
<< context << " (level " << msection.GetLevel() << ")";
auto& candidates = attrs.GetCandidate();
ASSERT_EQ(kNumCandidatesPerComponent * 2, candidates.size())
<< context << " (level " << msection.GetLevel() << ")";
for (size_t i = 0; i < kNumCandidatesPerComponent; ++i) {
ASSERT_EQ(expectedCandidates[transportId][RTCP][i],
candidates[i + kNumCandidatesPerComponent])
<< context << " (level " << msection.GetLevel() << ")";
}
}
}
void CheckDefaultRtpCandidate(bool expectDefault,
const SdpMediaSection& msection,
const std::string& transportId,
const std::string& context) const {
Address expectedAddress = "0.0.0.0";
Port expectedPort = 9U;
if (expectDefault) {
// Copy so we can be terse and use []
auto defaultCandidates = mDefaultCandidates;
expectedAddress = defaultCandidates[transportId][RTP].first;
expectedPort = defaultCandidates[transportId][RTP].second;
}
// if bundle-only attribute is present, expect port 0
const SdpAttributeList& attrs = msection.GetAttributeList();
if (attrs.HasAttribute(SdpAttribute::kBundleOnlyAttribute)) {
expectedPort = 0U;
}
ASSERT_EQ(expectedAddress, msection.GetConnection().GetAddress())
<< context << " (level " << msection.GetLevel() << ")";
ASSERT_EQ(expectedPort, msection.GetPort())
<< context << " (level " << msection.GetLevel() << ")";
}
void CheckDefaultRtcpCandidate(bool expectDefault,
const SdpMediaSection& msection,
const std::string& transportId,
const std::string& context) const {
if (expectDefault) {
// Copy so we can be terse and use []
auto defaultCandidates = mDefaultCandidates;
ASSERT_TRUE(msection.GetAttributeList().HasAttribute(
SdpAttribute::kRtcpAttribute))
<< context << " (level " << msection.GetLevel() << ")";
auto& rtcpAttr = msection.GetAttributeList().GetRtcp();
ASSERT_EQ(defaultCandidates[transportId][RTCP].second, rtcpAttr.mPort)
<< context << " (level " << msection.GetLevel() << ")";
ASSERT_EQ(sdp::kInternet, rtcpAttr.mNetType)
<< context << " (level " << msection.GetLevel() << ")";
ASSERT_EQ(sdp::kIPv4, rtcpAttr.mAddrType)
<< context << " (level " << msection.GetLevel() << ")";
ASSERT_EQ(defaultCandidates[transportId][RTCP].first, rtcpAttr.mAddress)
<< context << " (level " << msection.GetLevel() << ")";
} else {
ASSERT_FALSE(msection.GetAttributeList().HasAttribute(
SdpAttribute::kRtcpAttribute))
<< context << " (level " << msection.GetLevel() << ")";
}
}
private:
typedef size_t Level;
typedef std::string TransportId;
typedef std::string Mid;
typedef std::string Candidate;
typedef std::string Address;
typedef uint16_t Port;
// Default candidates are put into the m-line, c-line, and rtcp
// attribute for endpoints that don't support ICE.
std::map<TransportId, std::map<ComponentType, std::pair<Address, Port>>>
mDefaultCandidates;
std::map<TransportId, std::map<ComponentType, std::vector<Candidate>>>
mCandidates;
// Level/mid/candidate tuples that need to be trickled
std::vector<std::tuple<Level, Mid, Candidate>> mCandidatesToTrickle;
};
// For streaming parse errors
std::string GetParseErrors(
const UniquePtr<SdpParser::Results>& results) const {
std::stringstream output;
auto errors = std::move(results->Errors());
for (auto error : errors) {
output << error.first << ": " << error.second << std::endl;
}
return output.str();
}
void CheckEndOfCandidates(bool expectEoc, const SdpMediaSection& msection,
const std::string& context) {
if (expectEoc) {
ASSERT_TRUE(msection.GetAttributeList().HasAttribute(
SdpAttribute::kEndOfCandidatesAttribute))
<< context << " (level " << msection.GetLevel() << ")";
} else {
ASSERT_FALSE(msection.GetAttributeList().HasAttribute(
SdpAttribute::kEndOfCandidatesAttribute))
<< context << " (level " << msection.GetLevel() << ")";
}
}
void CheckTransceiversAreBundled(const JsepSession& session,
const std::string& context) {
for (const auto& transceiver : GetTransceivers(session)) {
ASSERT_TRUE(transceiver.HasBundleLevel())
<< context;
ASSERT_EQ(0U, transceiver.BundleLevel()) << context;
ASSERT_NE("", transceiver.mTransport.mTransportId);
}
}
void DisableMsid(std::string* sdp) const {
while (true) {
size_t pos = sdp->find("a=msid");
if (pos == std::string::npos) {
break;
}
(*sdp)[pos + 2] = 'X'; // garble, a=Xsid
}
}
void DisableBundle(std::string* sdp) const {
size_t pos = sdp->find("a=group:BUNDLE");
ASSERT_NE(std::string::npos, pos);
(*sdp)[pos + 11] = 'G'; // garble, a=group:BUNGLE
}
void DisableMsection(std::string* sdp, size_t level) const {
UniquePtr<Sdp> parsed(Parse(*sdp));
ASSERT_TRUE(parsed.get());
ASSERT_LT(level, parsed->GetMediaSectionCount());
SdpHelper::DisableMsection(parsed.get(), &parsed->GetMediaSection(level));
(*sdp) = parsed->ToString();
}
void CopyTransportAttributes(std::string* sdp, size_t src_level,
size_t dst_level) {
UniquePtr<Sdp> parsed(Parse(*sdp));
ASSERT_TRUE(parsed.get());
ASSERT_LT(src_level, parsed->GetMediaSectionCount());
ASSERT_LT(dst_level, parsed->GetMediaSectionCount());
nsresult rv =
mSdpHelper.CopyTransportParams(2, parsed->GetMediaSection(src_level),
&parsed->GetMediaSection(dst_level));
ASSERT_EQ(NS_OK, rv);
(*sdp) = parsed->ToString();
}
void ReplaceInSdp(std::string* sdp, const char* searchStr,
const char* replaceStr) const {
if (searchStr[0] == '\0') return;
size_t pos = 0;
while ((pos = sdp->find(searchStr, pos)) != std::string::npos) {
sdp->replace(pos, strlen(searchStr), replaceStr);
pos += strlen(replaceStr);
}
}
void ValidateDisabledMSection(const SdpMediaSection* msection) {
ASSERT_EQ(1U, msection->GetFormats().size());
auto& attrs = msection->GetAttributeList();
ASSERT_TRUE(attrs.HasAttribute(SdpAttribute::kMidAttribute));
ASSERT_TRUE(attrs.HasAttribute(SdpAttribute::kDirectionAttribute));
ASSERT_FALSE(attrs.HasAttribute(SdpAttribute::kBundleOnlyAttribute));
ASSERT_EQ(SdpDirectionAttribute::kInactive,
msection->GetDirectionAttribute().mValue);
ASSERT_EQ(3U, attrs.Count());
if (msection->GetMediaType() == SdpMediaSection::kAudio) {
ASSERT_EQ("0", msection->GetFormats()[0]);
const SdpRtpmapAttributeList::Rtpmap* rtpmap(msection->FindRtpmap("0"));
ASSERT_TRUE(rtpmap);
ASSERT_EQ("0", rtpmap->pt);
ASSERT_EQ("PCMU", rtpmap->name);
} else if (msection->GetMediaType() == SdpMediaSection::kVideo) {
ASSERT_EQ("120", msection->GetFormats()[0]);
const SdpRtpmapAttributeList::Rtpmap* rtpmap(msection->FindRtpmap("120"));
ASSERT_TRUE(rtpmap);
ASSERT_EQ("120", rtpmap->pt);
ASSERT_EQ("VP8", rtpmap->name);
} else if (msection->GetMediaType() == SdpMediaSection::kApplication) {
if (msection->GetProtocol() == SdpMediaSection::kUdpDtlsSctp ||
msection->GetProtocol() == SdpMediaSection::kTcpDtlsSctp) {
// draft 21 format
ASSERT_EQ("webrtc-datachannel", msection->GetFormats()[0]);
ASSERT_FALSE(msection->GetSctpmap());
ASSERT_EQ(0U, msection->GetSctpPort());
} else {
// old draft 05 format
ASSERT_EQ("0", msection->GetFormats()[0]);
const SdpSctpmapAttributeList::Sctpmap* sctpmap(msection->GetSctpmap());
ASSERT_TRUE(sctpmap);
ASSERT_EQ("0", sctpmap->pt);
ASSERT_EQ("rejected", sctpmap->name);
ASSERT_EQ(0U, sctpmap->streams);
}
} else {
// Not that we would have any test which tests this...
ASSERT_EQ("19", msection->GetFormats()[0]);
const SdpRtpmapAttributeList::Rtpmap* rtpmap(msection->FindRtpmap("19"));
ASSERT_TRUE(rtpmap);
ASSERT_EQ("19", rtpmap->pt);
ASSERT_EQ("reserved", rtpmap->name);
}
ASSERT_FALSE(msection->GetAttributeList().HasAttribute(
SdpAttribute::kMsidAttribute));
}
void ValidateSetupAttribute(const JsepSessionImpl& side,
const SdpSetupAttribute::Role expectedRole) {
auto sdp = GetParsedLocalDescription(side);
for (size_t i = 0; sdp && i < sdp->GetMediaSectionCount(); ++i) {
if (sdp->GetMediaSection(i).GetAttributeList().HasAttribute(
SdpAttribute::kSetupAttribute)) {
auto role = sdp->GetMediaSection(i).GetAttributeList().GetSetup().mRole;
ASSERT_EQ(expectedRole, role);
}
}
}
void DumpTrack(const JsepTrack& track) {
const JsepTrackNegotiatedDetails* details = track.GetNegotiatedDetails();
std::cerr << " type=" << track.GetMediaType() << std::endl;
if (!details) {
std::cerr << " not negotiated" << std::endl;
return;
}
std::cerr << " encodings=" << std::endl;
for (size_t i = 0; i < details->GetEncodingCount(); ++i) {
const JsepTrackEncoding& encoding = details->GetEncoding(i);
std::cerr << " id=" << encoding.mRid << std::endl;
for (const auto& codec : encoding.GetCodecs()) {
std::cerr << " " << codec->mName << " enabled("
<< (codec->mEnabled ? "yes" : "no") << ")";
if (track.GetMediaType() == SdpMediaSection::kAudio) {
const JsepAudioCodecDescription* audioCodec =
static_cast<const JsepAudioCodecDescription*>(codec.get());
std::cerr << " dtmf(" << (audioCodec->mDtmfEnabled ? "yes" : "no")
<< ")";
}
if (track.GetMediaType() == SdpMediaSection::kVideo) {
const JsepVideoCodecDescription* videoCodec =
static_cast<const JsepVideoCodecDescription*>(codec.get());
std::cerr << " rtx("
<< (videoCodec->mRtxEnabled ? videoCodec->mRtxPayloadType
: "no")
<< ")";
}
std::cerr << std::endl;
}
}
}
void DumpTransport(const JsepTransport& transport) {
std::cerr << " id=" << transport.mTransportId << std::endl;
std::cerr << " components=" << transport.mComponents << std::endl;
}
void DumpTransceivers(const JsepSessionImpl& session) {
for (const auto& transceiver : GetTransceivers(session)) {
std::cerr << "Transceiver ";
if (transceiver.HasLevel()) {
std::cerr << transceiver.GetLevel() << std::endl;
} else {
std::cerr << "<NO LEVEL>" << std::endl;
}
if (transceiver.HasBundleLevel()) {
std::cerr << "(bundle level is " << transceiver.BundleLevel() << ")"
<< std::endl;
}
if (!IsNull(transceiver.mSendTrack)) {
std::cerr << "Sending-->" << std::endl;
DumpTrack(transceiver.mSendTrack);
}
if (!IsNull(transceiver.mRecvTrack)) {
std::cerr << "Receiving-->" << std::endl;
DumpTrack(transceiver.mRecvTrack);
}
std::cerr << "Transport-->" << std::endl;
DumpTransport(transceiver.mTransport);
}
}
UniquePtr<Sdp> Parse(const std::string& sdp) const {
SipccSdpParser parser;
auto results = parser.Parse(sdp);
UniquePtr<Sdp> parsed = std::move(results->Sdp());
EXPECT_TRUE(parsed.get()) << "Should have valid SDP" << std::endl
<< "Errors were: " << GetParseErrors(results);
return parsed;
}
std::string SetExtmap(const std::string& aSdp, const std::string& aUri,
uint16_t aId, uint16_t* aOldId = nullptr) {
UniquePtr<Sdp> munge(Parse(aSdp));
for (size_t i = 0; i < munge->GetMediaSectionCount(); ++i) {
auto& attrs = munge->GetMediaSection(i).GetAttributeList();
if (attrs.HasAttribute(SdpAttribute::kExtmapAttribute)) {
auto extmap = attrs.GetExtmap();
for (auto it = extmap.mExtmaps.begin(); it != extmap.mExtmaps.end();
++it) {
if (it->extensionname == aUri) {
if (aOldId) {
*aOldId = it->entry;
}
if (aId) {
it->entry = aId;
} else {
extmap.mExtmaps.erase(it);
}
break;
}
}
attrs.SetAttribute(extmap.Clone());
}
}
return munge->ToString();
}
uint16_t GetExtmap(const std::string& aSdp, const std::string& aUri) {
UniquePtr<Sdp> parsed(Parse(aSdp));
for (size_t i = 0; i < parsed->GetMediaSectionCount(); ++i) {
auto& attrs = parsed->GetMediaSection(i).GetAttributeList();
if (attrs.HasAttribute(SdpAttribute::kExtmapAttribute)) {
auto extmap = attrs.GetExtmap();
for (auto& ext : extmap.mExtmaps) {
if (ext.extensionname == aUri) {
return ext.entry;
}
}
}
}
return 0;
}
void SwapOfferAnswerRoles() {
mSessionOff.swap(mSessionAns);
mOffCandidates.swap(mAnsCandidates);
mOffererTransport.swap(mAnswererTransport);
}
UniquePtr<JsepSessionImpl> mSessionOff;
UniquePtr<CandidateSet> mOffCandidates;
UniquePtr<JsepSessionImpl> mSessionAns;
UniquePtr<CandidateSet> mAnsCandidates;
std::vector<SdpMediaSection::MediaType> types;
std::vector<std::pair<std::string, uint16_t>> mGatheredCandidates;
FakeUuidGenerator mUuidGen;
private:
void ValidateTransport(TransportData& source, const std::string& sdp_str,
sdp::SdpType type) {
UniquePtr<Sdp> sdp(Parse(sdp_str));
ASSERT_TRUE(!!sdp);
size_t num_m_sections = sdp->GetMediaSectionCount();
for (size_t i = 0; i < num_m_sections; ++i) {
auto& msection = sdp->GetMediaSection(i);
if (msection.GetMediaType() == SdpMediaSection::kApplication) {
if (!(msection.GetProtocol() == SdpMediaSection::kUdpDtlsSctp ||
msection.GetProtocol() == SdpMediaSection::kTcpDtlsSctp)) {
// old draft 05 format
ASSERT_EQ(SdpMediaSection::kDtlsSctp, msection.GetProtocol());
}
} else {
ASSERT_EQ(SdpMediaSection::kUdpTlsRtpSavpf, msection.GetProtocol());
}
const SdpAttributeList& attrs = msection.GetAttributeList();
bool bundle_only = attrs.HasAttribute(SdpAttribute::kBundleOnlyAttribute);
// port 0 only means disabled when the bundle-only attribute is missing
if (!bundle_only && msection.GetPort() == 0) {
ValidateDisabledMSection(&msection);
continue;
}
if (mSdpHelper.OwnsTransport(*sdp, i, type)) {
const SdpAttributeList& attrs = msection.GetAttributeList();
ASSERT_FALSE(attrs.GetIceUfrag().empty());
ASSERT_FALSE(attrs.GetIcePwd().empty());
const SdpFingerprintAttributeList& fps = attrs.GetFingerprint();
for (auto fp = fps.mFingerprints.begin(); fp != fps.mFingerprints.end();
++fp) {
nsCString alg_str = "None"_ns;
if (fp->hashFunc == SdpFingerprintAttributeList::kSha1) {
alg_str = "sha-1"_ns;
} else if (fp->hashFunc == SdpFingerprintAttributeList::kSha256) {
alg_str = "sha-256"_ns;
}
ASSERT_EQ(source.mFingerprints[alg_str], fp->fingerprint);
}
ASSERT_EQ(source.mFingerprints.size(), fps.mFingerprints.size());
}
}
}
std::string mLastError;
SdpHelper mSdpHelper;
UniquePtr<TransportData> mOffererTransport;
UniquePtr<TransportData> mAnswererTransport;
};
TEST_F(JsepSessionTestBase, CreateDestroy) {}
TEST_P(JsepSessionTest, CreateOffer) {
AddTracks(*mSessionOff);
CreateOffer();
}
TEST_P(JsepSessionTest, CreateOfferSetLocal) {
AddTracks(*mSessionOff);
std::string offer = CreateOffer();
SetLocalOffer(offer);
}
TEST_P(JsepSessionTest, CreateOfferSetLocalSetRemote) {
AddTracks(*mSessionOff);
std::string offer = CreateOffer();
SetLocalOffer(offer);
SetRemoteOffer(offer);
}
TEST_P(JsepSessionTest, CreateOfferSetLocalSetRemoteCreateAnswer) {
AddTracks(*mSessionOff);
std::string offer = CreateOffer();
SetLocalOffer(offer);
SetRemoteOffer(offer);
AddTracks(*mSessionAns);
std::string answer = CreateAnswer();
}
TEST_P(JsepSessionTest, CreateOfferSetLocalSetRemoteCreateAnswerSetLocal) {
AddTracks(*mSessionOff);
std::string offer = CreateOffer();
SetLocalOffer(offer);
SetRemoteOffer(offer);
AddTracks(*mSessionAns);
std::string answer = CreateAnswer();
SetLocalAnswer(answer);
}
TEST_P(JsepSessionTest, FullCall) {
AddTracks(*mSessionOff);
std::string offer = CreateOffer();
SetLocalOffer(offer);
SetRemoteOffer(offer);
AddTracks(*mSessionAns);
std::string answer = CreateAnswer();
SetLocalAnswer(answer);
SetRemoteAnswer(answer);
}
TEST_P(JsepSessionTest, GetDescriptions) {
AddTracks(*mSessionOff);
std::string offer = CreateOffer();
SetLocalOffer(offer);
std::string desc = mSessionOff->GetLocalDescription(kJsepDescriptionCurrent);
ASSERT_EQ(0U, desc.size());
desc = mSessionOff->GetLocalDescription(kJsepDescriptionPending);
ASSERT_NE(0U, desc.size());
desc = mSessionOff->GetLocalDescription(kJsepDescriptionPendingOrCurrent);
ASSERT_NE(0U, desc.size());
desc = mSessionOff->GetRemoteDescription(kJsepDescriptionPendingOrCurrent);
ASSERT_EQ(0U, desc.size());
desc = mSessionAns->GetLocalDescription(kJsepDescriptionPendingOrCurrent);
ASSERT_EQ(0U, desc.size());
desc = mSessionAns->GetRemoteDescription(kJsepDescriptionPendingOrCurrent);
ASSERT_EQ(0U, desc.size());
SetRemoteOffer(offer);
desc = mSessionAns->GetRemoteDescription(kJsepDescriptionCurrent);
ASSERT_EQ(0U, desc.size());
desc = mSessionAns->GetRemoteDescription(kJsepDescriptionPending);
ASSERT_NE(0U, desc.size());
desc = mSessionAns->GetRemoteDescription(kJsepDescriptionPendingOrCurrent);
ASSERT_NE(0U, desc.size());
desc = mSessionAns->GetLocalDescription(kJsepDescriptionPendingOrCurrent);
ASSERT_EQ(0U, desc.size());
desc = mSessionOff->GetLocalDescription(kJsepDescriptionPendingOrCurrent);
ASSERT_NE(0U, desc.size());
desc = mSessionOff->GetRemoteDescription(kJsepDescriptionPendingOrCurrent);
ASSERT_EQ(0U, desc.size());
AddTracks(*mSessionAns);
std::string answer = CreateAnswer();
SetLocalAnswer(answer);
desc = mSessionAns->GetLocalDescription(kJsepDescriptionCurrent);
ASSERT_NE(0U, desc.size());
desc = mSessionAns->GetLocalDescription(kJsepDescriptionPending);
ASSERT_EQ(0U, desc.size());
desc = mSessionAns->GetLocalDescription(kJsepDescriptionPendingOrCurrent);
ASSERT_NE(0U, desc.size());
desc = mSessionAns->GetRemoteDescription(kJsepDescriptionCurrent);
ASSERT_NE(0U, desc.size());
desc = mSessionAns->GetRemoteDescription(kJsepDescriptionPending);
ASSERT_EQ(0U, desc.size());
desc = mSessionAns->GetRemoteDescription(kJsepDescriptionPendingOrCurrent);
ASSERT_NE(0U, desc.size());
desc = mSessionOff->GetLocalDescription(kJsepDescriptionPendingOrCurrent);
ASSERT_NE(0U, desc.size());
desc = mSessionOff->GetRemoteDescription(kJsepDescriptionPendingOrCurrent);
ASSERT_EQ(0U, desc.size());
SetRemoteAnswer(answer);
desc = mSessionOff->GetLocalDescription(kJsepDescriptionCurrent);
ASSERT_NE(0U, desc.size());
desc = mSessionOff->GetLocalDescription(kJsepDescriptionPending);
ASSERT_EQ(0U, desc.size());
desc = mSessionOff->GetLocalDescription(kJsepDescriptionPendingOrCurrent);
ASSERT_NE(0U, desc.size());
desc = mSessionOff->GetRemoteDescription(kJsepDescriptionCurrent);
ASSERT_NE(0U, desc.size());
desc = mSessionOff->GetRemoteDescription(kJsepDescriptionPending);
ASSERT_EQ(0U, desc.size());
desc = mSessionOff->GetRemoteDescription(kJsepDescriptionPendingOrCurrent);
ASSERT_NE(0U, desc.size());
desc = mSessionAns->GetLocalDescription(kJsepDescriptionPendingOrCurrent);
ASSERT_NE(0U, desc.size());
desc = mSessionAns->GetRemoteDescription(kJsepDescriptionPendingOrCurrent);
ASSERT_NE(0U, desc.size());
}
TEST_P(JsepSessionTest, RenegotiationNoChange) {
AddTracks(*mSessionOff);
std::string offer = CreateOffer();
SetLocalOffer(offer);
SetRemoteOffer(offer);
AddTracks(*mSessionAns);
std::string answer = CreateAnswer();
SetLocalAnswer(answer);
SetRemoteAnswer(answer);
ValidateSetupAttribute(*mSessionOff, SdpSetupAttribute::kActpass);
ValidateSetupAttribute(*mSessionAns, SdpSetupAttribute::kActive);
std::vector<JsepTransceiver> origOffererTransceivers =
GetTransceivers(*mSessionOff);
std::vector<JsepTransceiver> origAnswererTransceivers =
GetTransceivers(*mSessionAns);
std::string reoffer = CreateOffer();
SetLocalOffer(reoffer);
SetRemoteOffer(reoffer);
std::string reanswer = CreateAnswer();
SetLocalAnswer(reanswer);
SetRemoteAnswer(reanswer);
ValidateSetupAttribute(*mSessionOff, SdpSetupAttribute::kActpass);
ValidateSetupAttribute(*mSessionAns, SdpSetupAttribute::kActive);
auto newOffererTransceivers = GetTransceivers(*mSessionOff);
auto newAnswererTransceivers = GetTransceivers(*mSessionAns);
ASSERT_TRUE(Equals(origOffererTransceivers, newOffererTransceivers));
ASSERT_TRUE(Equals(origAnswererTransceivers, newAnswererTransceivers));
}
TEST_P(JsepSessionTest, DISABLED_RenegotiationSwappedRolesNoChange) {
AddTracks(*mSessionOff);
std::string offer = CreateOffer();
SetLocalOffer(offer);
SetRemoteOffer(offer);
AddTracks(*mSessionAns);
std::string answer = CreateAnswer();
SetLocalAnswer(answer);
SetRemoteAnswer(answer);
ValidateSetupAttribute(*mSessionOff, SdpSetupAttribute::kActpass);
ValidateSetupAttribute(*mSessionAns, SdpSetupAttribute::kActive);
auto offererTransceivers = GetTransceivers(*mSessionOff);
auto answererTransceivers = GetTransceivers(*mSessionAns);
SwapOfferAnswerRoles();
std::string reoffer = CreateOffer();
SetLocalOffer(reoffer);
SetRemoteOffer(reoffer);
std::string reanswer = CreateAnswer();
SetLocalAnswer(reanswer);
SetRemoteAnswer(reanswer);
ValidateSetupAttribute(*mSessionOff, SdpSetupAttribute::kActpass);
ValidateSetupAttribute(*mSessionAns, SdpSetupAttribute::kPassive);
auto newOffererTransceivers = GetTransceivers(*mSessionOff);
auto newAnswererTransceivers = GetTransceivers(*mSessionAns);
ASSERT_TRUE(Equals(offererTransceivers, newAnswererTransceivers));
ASSERT_TRUE(Equals(answererTransceivers, newOffererTransceivers));
}
static void RemoveLastN(std::vector<JsepTransceiver>& aTransceivers,
size_t aNum) {
while (aNum--) {
// erase doesn't take reverse_iterator :(
aTransceivers.erase(--aTransceivers.end());
}
}
TEST_P(JsepSessionTest, RenegotiationOffererAddsTrack) {
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
OfferAnswer();
ValidateSetupAttribute(*mSessionOff, SdpSetupAttribute::kActpass);
ValidateSetupAttribute(*mSessionAns, SdpSetupAttribute::kActive);
std::vector<JsepTransceiver> origOffererTransceivers =
GetTransceivers(*mSessionOff);
std::vector<JsepTransceiver> origAnswererTransceivers =
GetTransceivers(*mSessionAns);
std::vector<SdpMediaSection::MediaType> extraTypes;
extraTypes.push_back(SdpMediaSection::kAudio);
extraTypes.push_back(SdpMediaSection::kVideo);
AddTracks(*mSessionOff, extraTypes);
types.insert(types.end(), extraTypes.begin(), extraTypes.end());
OfferAnswer(CHECK_SUCCESS);
ValidateSetupAttribute(*mSessionOff, SdpSetupAttribute::kActpass);
ValidateSetupAttribute(*mSessionAns, SdpSetupAttribute::kActive);
auto newOffererTransceivers = GetTransceivers(*mSessionOff);
auto newAnswererTransceivers = GetTransceivers(*mSessionAns);
ASSERT_LE(2U, newOffererTransceivers.size());
RemoveLastN(newOffererTransceivers, 2);
ASSERT_TRUE(Equals(origOffererTransceivers, newOffererTransceivers));
ASSERT_LE(2U, newAnswererTransceivers.size());
RemoveLastN(newAnswererTransceivers, 2);
ASSERT_TRUE(Equals(origAnswererTransceivers, newAnswererTransceivers));
}
TEST_P(JsepSessionTest, RenegotiationAnswererAddsTrack) {
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
OfferAnswer();
ValidateSetupAttribute(*mSessionOff, SdpSetupAttribute::kActpass);
ValidateSetupAttribute(*mSessionAns, SdpSetupAttribute::kActive);
std::vector<JsepTransceiver> origOffererTransceivers =
GetTransceivers(*mSessionOff);
std::vector<JsepTransceiver> origAnswererTransceivers =
GetTransceivers(*mSessionAns);
std::vector<SdpMediaSection::MediaType> extraTypes;
extraTypes.push_back(SdpMediaSection::kAudio);
extraTypes.push_back(SdpMediaSection::kVideo);
AddTracks(*mSessionAns, extraTypes);
types.insert(types.end(), extraTypes.begin(), extraTypes.end());
// We need to add a recvonly m-section to the offer for this to work
mSessionOff->AddTransceiver(
JsepTransceiver(SdpMediaSection::kAudio, mUuidGen,
SdpDirectionAttribute::Direction::kRecvonly));
mSessionOff->AddTransceiver(
JsepTransceiver(SdpMediaSection::kVideo, mUuidGen,
SdpDirectionAttribute::Direction::kRecvonly));
std::string offer = CreateOffer();
SetLocalOffer(offer, CHECK_SUCCESS);
SetRemoteOffer(offer, CHECK_SUCCESS);
std::string answer = CreateAnswer();
SetLocalAnswer(answer, CHECK_SUCCESS);
SetRemoteAnswer(answer, CHECK_SUCCESS);
ValidateSetupAttribute(*mSessionOff, SdpSetupAttribute::kActpass);
ValidateSetupAttribute(*mSessionAns, SdpSetupAttribute::kActive);
auto newOffererTransceivers = GetTransceivers(*mSessionOff);
auto newAnswererTransceivers = GetTransceivers(*mSessionAns);
ASSERT_LE(2U, newOffererTransceivers.size());
RemoveLastN(newOffererTransceivers, 2);
ASSERT_TRUE(Equals(origOffererTransceivers, newOffererTransceivers));
ASSERT_LE(2U, newAnswererTransceivers.size());
RemoveLastN(newAnswererTransceivers, 2);
ASSERT_TRUE(Equals(origAnswererTransceivers, newAnswererTransceivers));
}
TEST_P(JsepSessionTest, RenegotiationBothAddTrack) {
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
OfferAnswer();
ValidateSetupAttribute(*mSessionOff, SdpSetupAttribute::kActpass);
ValidateSetupAttribute(*mSessionAns, SdpSetupAttribute::kActive);
std::vector<JsepTransceiver> origOffererTransceivers =
GetTransceivers(*mSessionOff);
std::vector<JsepTransceiver> origAnswererTransceivers =
GetTransceivers(*mSessionAns);
std::vector<SdpMediaSection::MediaType> extraTypes;
extraTypes.push_back(SdpMediaSection::kAudio);
extraTypes.push_back(SdpMediaSection::kVideo);
AddTracks(*mSessionAns, extraTypes);
AddTracks(*mSessionOff, extraTypes);
types.insert(types.end(), extraTypes.begin(), extraTypes.end());
OfferAnswer(CHECK_SUCCESS);
ValidateSetupAttribute(*mSessionOff, SdpSetupAttribute::kActpass);
ValidateSetupAttribute(*mSessionAns, SdpSetupAttribute::kActive);
auto newOffererTransceivers = GetTransceivers(*mSessionOff);
auto newAnswererTransceivers = GetTransceivers(*mSessionAns);
ASSERT_LE(2U, newOffererTransceivers.size());
RemoveLastN(newOffererTransceivers, 2);
ASSERT_TRUE(Equals(origOffererTransceivers, newOffererTransceivers));
ASSERT_LE(2U, newAnswererTransceivers.size());
RemoveLastN(newAnswererTransceivers, 2);
ASSERT_TRUE(Equals(origAnswererTransceivers, newAnswererTransceivers));
}
TEST_P(JsepSessionTest, RenegotiationBothAddTracksToExistingStream) {
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
if (GetParam() == "datachannel") {
return;
}
OfferAnswer();
auto oHasStream = HasMediaStream(GetLocalTracks(*mSessionOff));
auto aHasStream = HasMediaStream(GetLocalTracks(*mSessionAns));
ASSERT_EQ(oHasStream, !GetLocalUniqueStreamIds(*mSessionOff).empty());
ASSERT_EQ(aHasStream, !GetLocalUniqueStreamIds(*mSessionAns).empty());
ASSERT_EQ(aHasStream, !GetRemoteUniqueStreamIds(*mSessionOff).empty());
ASSERT_EQ(oHasStream, !GetRemoteUniqueStreamIds(*mSessionAns).empty());
auto firstOffId = GetFirstLocalStreamId(*mSessionOff);
auto firstAnsId = GetFirstLocalStreamId(*mSessionAns);
auto offererTransceivers = GetTransceivers(*mSessionOff);
auto answererTransceivers = GetTransceivers(*mSessionAns);
std::vector<SdpMediaSection::MediaType> extraTypes;
extraTypes.push_back(SdpMediaSection::kAudio);
extraTypes.push_back(SdpMediaSection::kVideo);
AddTracksToStream(*mSessionOff, firstOffId, extraTypes);
AddTracksToStream(*mSessionAns, firstAnsId, extraTypes);
types.insert(types.end(), extraTypes.begin(), extraTypes.end());
OfferAnswer(CHECK_SUCCESS);
oHasStream = HasMediaStream(GetLocalTracks(*mSessionOff));
aHasStream = HasMediaStream(GetLocalTracks(*mSessionAns));
ASSERT_EQ(oHasStream, !GetLocalUniqueStreamIds(*mSessionOff).empty());
ASSERT_EQ(aHasStream, !GetLocalUniqueStreamIds(*mSessionAns).empty());
ASSERT_EQ(aHasStream, !GetRemoteUniqueStreamIds(*mSessionOff).empty());
ASSERT_EQ(oHasStream, !GetRemoteUniqueStreamIds(*mSessionAns).empty());
if (oHasStream) {
ASSERT_STREQ(firstOffId.c_str(),
GetFirstLocalStreamId(*mSessionOff).c_str());
}
if (aHasStream) {
ASSERT_STREQ(firstAnsId.c_str(),
GetFirstLocalStreamId(*mSessionAns).c_str());
auto oHasStream = HasMediaStream(GetLocalTracks(*mSessionOff));
auto aHasStream = HasMediaStream(GetLocalTracks(*mSessionAns));
ASSERT_EQ(oHasStream, !GetLocalUniqueStreamIds(*mSessionOff).empty());
ASSERT_EQ(aHasStream, !GetLocalUniqueStreamIds(*mSessionAns).empty());
}
}
// The JSEP draft explicitly forbids changing the msid on an m-section, but
// that is a bug.
TEST_P(JsepSessionTest, RenegotiationOffererChangesMsid) {
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
OfferAnswer();
std::string offer = CreateOffer();
SetLocalOffer(offer);
JsepTransceiver* transceiver = GetNegotiatedTransceiver(*mSessionOff, 0);
ASSERT_TRUE(transceiver);
if (transceiver->GetMediaType() == SdpMediaSection::kApplication) {
return;
}
std::string streamId = transceiver->mSendTrack.GetStreamIds()[0];
std::string msidToReplace("a=msid:");
msidToReplace += streamId;
size_t msidOffset = offer.find(msidToReplace);
ASSERT_NE(std::string::npos, msidOffset);
offer.replace(msidOffset, msidToReplace.size(), "a=msid:foo");
SetRemoteOffer(offer);
transceiver = GetNegotiatedTransceiver(*mSessionAns, 0);
ASSERT_EQ("foo", transceiver->mRecvTrack.GetStreamIds()[0]);
std::string answer = CreateAnswer();
SetLocalAnswer(answer);
SetRemoteAnswer(answer);
}
// The JSEP draft explicitly forbids changing the msid on an m-section, but
// that is a bug.
TEST_P(JsepSessionTest, RenegotiationAnswererChangesMsid) {
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
OfferAnswer();
JsepTransceiver* transceiver = GetNegotiatedTransceiver(*mSessionOff, 0);
ASSERT_TRUE(transceiver);
if (transceiver->GetMediaType() == SdpMediaSection::kApplication) {
return;
}
std::string offer = CreateOffer();
SetLocalOffer(offer);
SetRemoteOffer(offer);
std::string answer = CreateAnswer();
SetLocalAnswer(answer);
transceiver = GetNegotiatedTransceiver(*mSessionAns, 0);
ASSERT_TRUE(transceiver);
if (transceiver->GetMediaType() == SdpMediaSection::kApplication) {
return;
}
std::string streamId = transceiver->mSendTrack.GetStreamIds()[0];
std::string msidToReplace("a=msid:");
msidToReplace += streamId;
size_t msidOffset = answer.find(msidToReplace);
ASSERT_NE(std::string::npos, msidOffset);
answer.replace(msidOffset, msidToReplace.size(), "a=msid:foo");
SetRemoteAnswer(answer);
transceiver = GetNegotiatedTransceiver(*mSessionOff, 0);
ASSERT_EQ("foo", transceiver->mRecvTrack.GetStreamIds()[0]);
}
TEST_P(JsepSessionTest, RenegotiationOffererStopsTransceiver) {
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
if (types.back() == SdpMediaSection::kApplication) {
return;
}
OfferAnswer();
std::vector<JsepTransceiver> origOffererTransceivers =
GetTransceivers(*mSessionOff);
std::vector<JsepTransceiver> origAnswererTransceivers =
GetTransceivers(*mSessionAns);
JsepTransceiver lastTransceiver = GetTransceivers(*mSessionOff).back();
// Avoid bundle transport side effects; don't stop the BUNDLE-tag!
lastTransceiver.Stop();
mSessionOff->SetTransceiver(lastTransceiver);
JsepTrack removedTrack(lastTransceiver.mSendTrack);
OfferAnswer(CHECK_SUCCESS);
// Last m-section should be disabled
auto offer = GetParsedLocalDescription(*mSessionOff);
const SdpMediaSection* msection =
&offer->GetMediaSection(offer->GetMediaSectionCount() - 1);
ASSERT_TRUE(msection);
ValidateDisabledMSection(msection);
// Last m-section should be disabled
auto answer = GetParsedLocalDescription(*mSessionAns);
msection = &answer->GetMediaSection(answer->GetMediaSectionCount() - 1);
ASSERT_TRUE(msection);
ValidateDisabledMSection(msection);
auto newOffererTransceivers = GetTransceivers(*mSessionOff);
auto newAnswererTransceivers = GetTransceivers(*mSessionAns);
ASSERT_EQ(origOffererTransceivers.size(), newOffererTransceivers.size());
ASSERT_FALSE(origOffererTransceivers.back().IsStopped());
ASSERT_TRUE(newOffererTransceivers.back().IsStopped());
ASSERT_FALSE(origAnswererTransceivers.back().IsStopped());
ASSERT_TRUE(newAnswererTransceivers.back().IsStopped());
RemoveLastN(origOffererTransceivers, 1); // Ignore this one
RemoveLastN(newOffererTransceivers, 1); // Ignore this one
RemoveLastN(origAnswererTransceivers, 1); // Ignore this one
RemoveLastN(newAnswererTransceivers, 1); // Ignore this one
ASSERT_TRUE(Equals(origOffererTransceivers, newOffererTransceivers));
ASSERT_TRUE(Equals(origAnswererTransceivers, newAnswererTransceivers));
}
TEST_P(JsepSessionTest, RenegotiationAnswererStopsTransceiver) {
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
if (types.back() == SdpMediaSection::kApplication) {
return;
}
OfferAnswer();
std::vector<JsepTransceiver> origOffererTransceivers =
GetTransceivers(*mSessionOff);
std::vector<JsepTransceiver> origAnswererTransceivers =
GetTransceivers(*mSessionAns);
GetTransceivers(*mSessionAns).back().Stop();
OfferAnswer(CHECK_SUCCESS);
ASSERT_TRUE(mSessionAns->CheckNegotiationNeeded());
// Last m-section should be sendrecv
auto offer = GetParsedLocalDescription(*mSessionOff);
const SdpMediaSection* msection =
&offer->GetMediaSection(offer->GetMediaSectionCount() - 1);
ASSERT_TRUE(msection);
ASSERT_TRUE(msection->IsReceiving());
ASSERT_TRUE(msection->IsSending());
// Last m-section should be sendrecv; answerer does not reject!
auto answer = GetParsedLocalDescription(*mSessionAns);
msection = &answer->GetMediaSection(answer->GetMediaSectionCount() - 1);
ASSERT_TRUE(msection);
ASSERT_TRUE(msection->IsReceiving());
ASSERT_TRUE(msection->IsSending());
auto newOffererTransceivers = GetTransceivers(*mSessionOff);
auto newAnswererTransceivers = GetTransceivers(*mSessionAns);
ASSERT_EQ(origOffererTransceivers.size(), newOffererTransceivers.size());
ASSERT_FALSE(origOffererTransceivers.back().IsStopped());
ASSERT_FALSE(newOffererTransceivers.back().IsStopped());
ASSERT_FALSE(origAnswererTransceivers.back().IsStopped());
ASSERT_TRUE(newAnswererTransceivers.back().IsStopping());
ASSERT_FALSE(newAnswererTransceivers.back().IsStopped());
RemoveLastN(origAnswererTransceivers, 1); // Ignore this one
RemoveLastN(newAnswererTransceivers, 1); // Ignore this one
ASSERT_TRUE(Equals(origOffererTransceivers, newOffererTransceivers));
ASSERT_TRUE(Equals(origAnswererTransceivers, newAnswererTransceivers));
}
TEST_P(JsepSessionTest, RenegotiationBothStopSameTransceiver) {
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
if (types.back() == SdpMediaSection::kApplication) {
return;
}
OfferAnswer();
std::vector<JsepTransceiver> origOffererTransceivers =
GetTransceivers(*mSessionOff);
std::vector<JsepTransceiver> origAnswererTransceivers =
GetTransceivers(*mSessionAns);
// Avoid bundle transport side effects; don't stop the BUNDLE-tag!
GetTransceivers(*mSessionOff).back().Stop();
JsepTrack removedTrackOffer(GetTransceivers(*mSessionOff).back().mSendTrack);
GetTransceivers(*mSessionAns).back().Stop();
JsepTrack removedTrackAnswer(GetTransceivers(*mSessionAns).back().mSendTrack);
ASSERT_TRUE(mSessionOff->CheckNegotiationNeeded());
ASSERT_TRUE(mSessionAns->CheckNegotiationNeeded());
OfferAnswer(CHECK_SUCCESS);
ASSERT_FALSE(mSessionOff->CheckNegotiationNeeded());
ASSERT_FALSE(mSessionAns->CheckNegotiationNeeded());
// Last m-section should be disabled
auto offer = GetParsedLocalDescription(*mSessionOff);
const SdpMediaSection* msection =
&offer->GetMediaSection(offer->GetMediaSectionCount() - 1);
ASSERT_TRUE(msection);
ValidateDisabledMSection(msection);
// Last m-section should be disabled
auto answer = GetParsedLocalDescription(*mSessionAns);
msection = &answer->GetMediaSection(answer->GetMediaSectionCount() - 1);
ASSERT_TRUE(msection);
ValidateDisabledMSection(msection);
auto newOffererTransceivers = GetTransceivers(*mSessionOff);
auto newAnswererTransceivers = GetTransceivers(*mSessionAns);
ASSERT_EQ(origOffererTransceivers.size(), newOffererTransceivers.size());
ASSERT_FALSE(origOffererTransceivers.back().IsStopped());
ASSERT_TRUE(newOffererTransceivers.back().IsStopped());
ASSERT_FALSE(origAnswererTransceivers.back().IsStopped());
ASSERT_TRUE(newAnswererTransceivers.back().IsStopped());
RemoveLastN(origOffererTransceivers, 1); // Ignore this one
RemoveLastN(newOffererTransceivers, 1); // Ignore this one
RemoveLastN(origAnswererTransceivers, 1); // Ignore this one
RemoveLastN(newAnswererTransceivers, 1); // Ignore this one
ASSERT_TRUE(Equals(origOffererTransceivers, newOffererTransceivers));
ASSERT_TRUE(Equals(origAnswererTransceivers, newAnswererTransceivers));
}
TEST_P(JsepSessionTest, RenegotiationBothStopTransceiverThenAddTrack) {
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
if (types.back() == SdpMediaSection::kApplication) {
return;
}
SdpMediaSection::MediaType removedType = types.back();
OfferAnswer();
// Avoid bundle transport side effects; don't stop the BUNDLE-tag!
GetTransceivers(*mSessionOff).back().Stop();
JsepTrack removedTrackOffer(GetTransceivers(*mSessionOff).back().mSendTrack);
GetTransceivers(*mSessionOff).back().Stop();
JsepTrack removedTrackAnswer(GetTransceivers(*mSessionOff).back().mSendTrack);
OfferAnswer(CHECK_SUCCESS);
std::vector<JsepTransceiver> origOffererTransceivers =
GetTransceivers(*mSessionOff);
std::vector<JsepTransceiver> origAnswererTransceivers =
GetTransceivers(*mSessionAns);
std::vector<SdpMediaSection::MediaType> extraTypes;
extraTypes.push_back(removedType);
AddTracks(*mSessionAns, extraTypes);
AddTracks(*mSessionOff, extraTypes);
types.insert(types.end(), extraTypes.begin(), extraTypes.end());
OfferAnswer(CHECK_SUCCESS);
auto newOffererTransceivers = GetTransceivers(*mSessionOff);
auto newAnswererTransceivers = GetTransceivers(*mSessionAns);
ASSERT_EQ(origOffererTransceivers.size() + 1, newOffererTransceivers.size());
ASSERT_EQ(origAnswererTransceivers.size() + 1,
newAnswererTransceivers.size());
// Ensure that the m-section was re-used; no gaps
ASSERT_EQ(origOffererTransceivers.back().GetLevel(),
newOffererTransceivers.back().GetLevel());
ASSERT_EQ(origAnswererTransceivers.back().GetLevel(),
newAnswererTransceivers.back().GetLevel());
}
TEST_P(JsepSessionTest, RenegotiationBothStopTransceiverDifferentMsection) {
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
if (types.size() < 2) {
return;
}
if (GetTransceivers(*mSessionOff)[0].GetMediaType() ==
SdpMediaSection::kApplication ||
GetTransceivers(*mSessionOff)[1].GetMediaType() ==
SdpMediaSection::kApplication) {
return;
}
OfferAnswer();
GetTransceivers(*mSessionOff)[0].Stop();
GetTransceivers(*mSessionOff)[1].Stop();
OfferAnswer(CHECK_SUCCESS);
ASSERT_TRUE(GetTransceivers(*mSessionAns)[0].IsStopped());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[1].IsStopped());
}
TEST_P(JsepSessionTest, RenegotiationOffererChangesStreamId) {
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
if (GetTransceivers(*mSessionOff)[0].GetMediaType() ==
SdpMediaSection::kApplication) {
return;
}
OfferAnswer();
GetTransceivers(*mSessionOff)[0].mSendTrack.UpdateStreamIds(
std::vector<std::string>(1, "newstream"));
OfferAnswer(CHECK_SUCCESS);
ASSERT_EQ("newstream",
GetTransceivers(*mSessionAns)[0].mRecvTrack.GetStreamIds()[0]);
}
TEST_P(JsepSessionTest, RenegotiationAnswererChangesStreamId) {
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
if (GetTransceivers(*mSessionOff)[0].GetMediaType() ==
SdpMediaSection::kApplication) {
return;
}
OfferAnswer();
GetTransceivers(*mSessionAns)[0].mSendTrack.UpdateStreamIds(
std::vector<std::string>(1, "newstream"));
OfferAnswer(CHECK_SUCCESS);
ASSERT_EQ("newstream",
GetTransceivers(*mSessionOff)[0].mRecvTrack.GetStreamIds()[0]);
}
// Tests whether auto-assigned remote msids (ie; what happens when the other
// side doesn't use msid attributes) are stable across renegotiation.
TEST_P(JsepSessionTest, RenegotiationAutoAssignedMsidIsStable) {
AddTracks(*mSessionOff);
std::string offer = CreateOffer();
SetLocalOffer(offer);
SetRemoteOffer(offer);
AddTracks(*mSessionAns);
std::string answer = CreateAnswer();
SetLocalAnswer(answer);
DisableMsid(&answer);
SetRemoteAnswer(answer, CHECK_SUCCESS);
std::vector<JsepTransceiver> origOffererTransceivers =
GetTransceivers(*mSessionOff);
std::vector<JsepTransceiver> origAnswererTransceivers =
GetTransceivers(*mSessionAns);
ASSERT_EQ(origOffererTransceivers.size(), origAnswererTransceivers.size());
for (size_t i = 0; i < origOffererTransceivers.size(); ++i) {
ASSERT_FALSE(IsNull(origOffererTransceivers[i].mRecvTrack));
ASSERT_FALSE(IsNull(origAnswererTransceivers[i].mSendTrack));
// These should not match since we've monkeyed with the msid
ASSERT_NE(origOffererTransceivers[i].mRecvTrack.GetStreamIds(),
origAnswererTransceivers[i].mSendTrack.GetStreamIds());
}
offer = CreateOffer();
SetLocalOffer(offer);
SetRemoteOffer(offer);
answer = CreateAnswer();
SetLocalAnswer(answer);
DisableMsid(&answer);
SetRemoteAnswer(answer, CHECK_SUCCESS);
auto newOffererTransceivers = GetTransceivers(*mSessionOff);
ASSERT_TRUE(Equals(origOffererTransceivers, newOffererTransceivers));
}
TEST_P(JsepSessionTest, RenegotiationOffererDisablesTelephoneEvent) {
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
OfferAnswer();
// check all the audio tracks to make sure they have 2 codecs (109 and 101),
// and dtmf is enabled on all audio tracks
std::vector<JsepTrack> tracks;
for (const auto& transceiver : GetTransceivers(*mSessionOff)) {
tracks.push_back(transceiver.mSendTrack);
tracks.push_back(transceiver.mRecvTrack);
}
for (const JsepTrack& track : tracks) {
if (track.GetMediaType() != SdpMediaSection::kAudio) {
continue;
}
const JsepTrackNegotiatedDetails* details = track.GetNegotiatedDetails();
ASSERT_EQ(1U, details->GetEncodingCount());
const JsepTrackEncoding& encoding = details->GetEncoding(0);
ASSERT_EQ(5U, encoding.GetCodecs().size());
ASSERT_TRUE(encoding.HasFormat("109"));
ASSERT_TRUE(encoding.HasFormat("101"));
for (const auto& codec : encoding.GetCodecs()) {
ASSERT_TRUE(codec);
// we can cast here because we've already checked for audio track
const JsepAudioCodecDescription* audioCodec =
static_cast<const JsepAudioCodecDescription*>(codec.get());
ASSERT_TRUE(audioCodec->mDtmfEnabled);
}
}
std::string offer = CreateOffer();
ReplaceInSdp(&offer, "8 101", "8");
ReplaceInSdp(&offer, "a=fmtp:101 0-15\r\n", "");
ReplaceInSdp(&offer, "a=rtpmap:101 telephone-event/8000/1\r\n", "");
std::cerr << "modified OFFER: " << offer << std::endl;
SetLocalOffer(offer);
SetRemoteOffer(offer);
std::string answer = CreateAnswer();
SetLocalAnswer(answer);
SetRemoteAnswer(answer);
// check all the audio tracks to make sure they have 1 codec (109),
// and dtmf is disabled on all audio tracks
tracks.clear();
for (const auto& transceiver : GetTransceivers(*mSessionOff)) {
tracks.push_back(transceiver.mSendTrack);
tracks.push_back(transceiver.mRecvTrack);
}
for (const JsepTrack& track : tracks) {
if (track.GetMediaType() != SdpMediaSection::kAudio) {
continue;
}
const JsepTrackNegotiatedDetails* details = track.GetNegotiatedDetails();
ASSERT_EQ(1U, details->GetEncodingCount());
const JsepTrackEncoding& encoding = details->GetEncoding(0);
auto expectedSize = (track.GetDirection() != sdp::kSend) ? 5U : 4U;
ASSERT_EQ(expectedSize, encoding.GetCodecs().size());
ASSERT_TRUE(encoding.HasFormat("109"));
// we can cast here because we've already checked for audio track
const JsepAudioCodecDescription* audioCodec =
static_cast<const JsepAudioCodecDescription*>(
encoding.GetCodecs()[0].get());
ASSERT_TRUE(audioCodec);
ASSERT_EQ(track.GetDirection() != sdp::kSend, audioCodec->mDtmfEnabled);
}
}
// Tests behavior when the answerer does not use msid in the initial exchange,
// but does on renegotiation.
TEST_P(JsepSessionTest, RenegotiationAnswererEnablesMsid) {
AddTracks(*mSessionOff);
std::string offer = CreateOffer();
SetLocalOffer(offer);
SetRemoteOffer(offer);
AddTracks(*mSessionAns);
std::string answer = CreateAnswer();
SetLocalAnswer(answer);
DisableMsid(&answer);
SetRemoteAnswer(answer, CHECK_SUCCESS);
std::vector<JsepTransceiver> origOffererTransceivers =
GetTransceivers(*mSessionOff);
std::vector<JsepTransceiver> origAnswererTransceivers =
GetTransceivers(*mSessionAns);
offer = CreateOffer();
SetLocalOffer(offer);
SetRemoteOffer(offer);
answer = CreateAnswer();
SetLocalAnswer(answer);
SetRemoteAnswer(answer, CHECK_SUCCESS);
auto newOffererTransceivers = GetTransceivers(*mSessionOff);
ASSERT_EQ(origOffererTransceivers.size(), newOffererTransceivers.size());
for (size_t i = 0; i < origOffererTransceivers.size(); ++i) {
ASSERT_EQ(origOffererTransceivers[i].mRecvTrack.GetMediaType(),
newOffererTransceivers[i].mRecvTrack.GetMediaType());
ASSERT_TRUE(Equals(origOffererTransceivers[i].mSendTrack,
newOffererTransceivers[i].mSendTrack));
ASSERT_TRUE(Equals(origOffererTransceivers[i].mTransport,
newOffererTransceivers[i].mTransport));
if (origOffererTransceivers[i].mRecvTrack.GetMediaType() ==
SdpMediaSection::kApplication) {
ASSERT_TRUE(Equals(origOffererTransceivers[i].mRecvTrack,
newOffererTransceivers[i].mRecvTrack));
} else {
// This should be the only difference
ASSERT_FALSE(Equals(origOffererTransceivers[i].mRecvTrack,
newOffererTransceivers[i].mRecvTrack));
}
}
}
TEST_P(JsepSessionTest, RenegotiationAnswererDisablesMsid) {
AddTracks(*mSessionOff);
std::string offer = CreateOffer();
SetLocalOffer(offer);
SetRemoteOffer(offer);
AddTracks(*mSessionAns);
std::string answer = CreateAnswer();
SetLocalAnswer(answer);
SetRemoteAnswer(answer, CHECK_SUCCESS);
std::vector<JsepTransceiver> origOffererTransceivers =
GetTransceivers(*mSessionOff);
std::vector<JsepTransceiver> origAnswererTransceivers =
GetTransceivers(*mSessionAns);
offer = CreateOffer();
SetLocalOffer(offer);
SetRemoteOffer(offer);
answer = CreateAnswer();
SetLocalAnswer(answer);
DisableMsid(&answer);
SetRemoteAnswer(answer, CHECK_SUCCESS);
auto newOffererTransceivers = GetTransceivers(*mSessionOff);
ASSERT_EQ(origOffererTransceivers.size(), newOffererTransceivers.size());
for (size_t i = 0; i < origOffererTransceivers.size(); ++i) {
ASSERT_EQ(origOffererTransceivers[i].mRecvTrack.GetMediaType(),
newOffererTransceivers[i].mRecvTrack.GetMediaType());
ASSERT_TRUE(Equals(origOffererTransceivers[i].mSendTrack,
newOffererTransceivers[i].mSendTrack));
ASSERT_TRUE(Equals(origOffererTransceivers[i].mTransport,
newOffererTransceivers[i].mTransport));
if (origOffererTransceivers[i].mRecvTrack.GetMediaType() ==
SdpMediaSection::kApplication) {
ASSERT_TRUE(Equals(origOffererTransceivers[i].mRecvTrack,
newOffererTransceivers[i].mRecvTrack));
} else {
// This should be the only difference
ASSERT_FALSE(Equals(origOffererTransceivers[i].mRecvTrack,
newOffererTransceivers[i].mRecvTrack));
}
}
}
// Tests behavior when offerer does not use bundle on the initial offer/answer,
// but does on renegotiation.
TEST_P(JsepSessionTest, RenegotiationOffererEnablesBundle) {
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
if (types.size() < 2) {
// No bundle will happen here.
return;
}
std::string offer = CreateOffer();
DisableBundle(&offer);
SetLocalOffer(offer);
SetRemoteOffer(offer);
std::string answer = CreateAnswer();
SetLocalAnswer(answer);
SetRemoteAnswer(answer);
std::vector<JsepTransceiver> origOffererTransceivers =
GetTransceivers(*mSessionOff);
std::vector<JsepTransceiver> origAnswererTransceivers =
GetTransceivers(*mSessionAns);
OfferAnswer();
auto newOffererTransceivers = GetTransceivers(*mSessionOff);
auto newAnswererTransceivers = GetTransceivers(*mSessionAns);
ASSERT_EQ(newOffererTransceivers.size(), newAnswererTransceivers.size());
ASSERT_EQ(origOffererTransceivers.size(), newOffererTransceivers.size());
ASSERT_EQ(origAnswererTransceivers.size(), newAnswererTransceivers.size());
for (size_t i = 0; i < newOffererTransceivers.size(); ++i) {
// No bundle initially
ASSERT_FALSE(origOffererTransceivers[i].HasBundleLevel());
ASSERT_FALSE(origAnswererTransceivers[i].HasBundleLevel());
if (i != 0) {
ASSERT_FALSE(Equals(origOffererTransceivers[0].mTransport,
origOffererTransceivers[i].mTransport));
ASSERT_FALSE(Equals(origAnswererTransceivers[0].mTransport,
origAnswererTransceivers[i].mTransport));
}
// Verify that bundle worked after renegotiation
ASSERT_TRUE(newOffererTransceivers[i].HasBundleLevel());
ASSERT_TRUE(newAnswererTransceivers[i].HasBundleLevel());
ASSERT_TRUE(Equals(newOffererTransceivers[0].mTransport,
newOffererTransceivers[i].mTransport));
ASSERT_TRUE(Equals(newAnswererTransceivers[0].mTransport,
newAnswererTransceivers[i].mTransport));
}
}
TEST_P(JsepSessionTest, RenegotiationOffererDisablesBundleTransport) {
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
if (types.size() < 2) {
return;
}
OfferAnswer();
auto stopped = GetTransceiverByLevel(*mSessionOff, 0);
stopped->Stop();
mSessionOff->SetTransceiver(*stopped);
std::vector<JsepTransceiver> origOffererTransceivers =
GetTransceivers(*mSessionOff);
std::vector<JsepTransceiver> origAnswererTransceivers =
GetTransceivers(*mSessionAns);
OfferAnswer(CHECK_SUCCESS);
auto newOffererTransceivers = GetTransceivers(*mSessionOff);
auto newAnswererTransceivers = GetTransceivers(*mSessionAns);
ASSERT_EQ(newOffererTransceivers.size(), newAnswererTransceivers.size());
ASSERT_EQ(origOffererTransceivers.size(), newOffererTransceivers.size());
ASSERT_EQ(origAnswererTransceivers.size(), newAnswererTransceivers.size());
Maybe<JsepTransceiver> ot0 = GetTransceiverByLevel(newOffererTransceivers, 0);
Maybe<JsepTransceiver> at0 =
GetTransceiverByLevel(newAnswererTransceivers, 0);
ASSERT_FALSE(ot0->HasBundleLevel());
ASSERT_FALSE(at0->HasBundleLevel());
ASSERT_FALSE(
Equals(ot0->mTransport,
GetTransceiverByLevel(origOffererTransceivers, 0)->mTransport));
ASSERT_FALSE(
Equals(at0->mTransport,
GetTransceiverByLevel(origAnswererTransceivers, 0)->mTransport));
ASSERT_EQ(0U, ot0->mTransport.mComponents);
ASSERT_EQ(0U, at0->mTransport.mComponents);
for (size_t i = 1; i < types.size() - 1; ++i) {
Maybe<JsepTransceiver> ot =
GetTransceiverByLevel(newOffererTransceivers, i);
Maybe<JsepTransceiver> at =
GetTransceiverByLevel(newAnswererTransceivers, i);
ASSERT_TRUE(ot->HasBundleLevel());
ASSERT_TRUE(at->HasBundleLevel());
ASSERT_EQ(1U, ot->BundleLevel());
ASSERT_EQ(1U, at->BundleLevel());
ASSERT_FALSE(Equals(ot0->mTransport, ot->mTransport));
ASSERT_FALSE(Equals(at0->mTransport, at->mTransport));
}
}
TEST_P(JsepSessionTest, RenegotiationAnswererDoesNotRejectStoppedTransceiver) {
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
if (types.size() < 2) {
return;
}
OfferAnswer();
std::vector<JsepTransceiver> origOffererTransceivers =
GetTransceivers(*mSessionOff);
std::vector<JsepTransceiver> origAnswererTransceivers =
GetTransceivers(*mSessionAns);
auto stopped = GetTransceiverByLevel(*mSessionAns, 0);
stopped->Stop();
mSessionAns->SetTransceiver(*stopped);
ASSERT_TRUE(mSessionAns->CheckNegotiationNeeded());
OfferAnswer(CHECK_SUCCESS);
ASSERT_TRUE(mSessionAns->CheckNegotiationNeeded());
auto newOffererTransceivers = GetTransceivers(*mSessionOff);
auto newAnswererTransceivers = GetTransceivers(*mSessionAns);
DumpTransceivers(*mSessionAns);
ASSERT_EQ(newOffererTransceivers.size(), newAnswererTransceivers.size());
ASSERT_EQ(origOffererTransceivers.size(), newOffererTransceivers.size());
ASSERT_EQ(origAnswererTransceivers.size(), newAnswererTransceivers.size());
Maybe<JsepTransceiver> ot0 = GetTransceiverByLevel(newOffererTransceivers, 0);
Maybe<JsepTransceiver> at0 =
GetTransceiverByLevel(newAnswererTransceivers, 0);
ASSERT_TRUE(ot0->HasBundleLevel());
ASSERT_TRUE(at0->HasBundleLevel());
ASSERT_TRUE(
Equals(ot0->mTransport,
GetTransceiverByLevel(origOffererTransceivers, 0)->mTransport));
ASSERT_TRUE(
Equals(at0->mTransport,
GetTransceiverByLevel(origAnswererTransceivers, 0)->mTransport));
ASSERT_EQ(1U, ot0->mTransport.mComponents);
ASSERT_EQ(1U, at0->mTransport.mComponents);
for (size_t i = 1; i < newOffererTransceivers.size(); ++i) {
auto ot = GetTransceiverByLevel(newOffererTransceivers, i);
auto at = GetTransceiverByLevel(newAnswererTransceivers, i);
auto otWithTransport = GetTransceiverByLevel(newOffererTransceivers, 0);
auto atWithTransport = GetTransceiverByLevel(newAnswererTransceivers, 0);
ASSERT_TRUE(ot->HasBundleLevel());
ASSERT_TRUE(at->HasBundleLevel());
ASSERT_EQ(0U, ot->BundleLevel());
ASSERT_EQ(0U, at->BundleLevel());
ASSERT_TRUE(Equals(otWithTransport->mTransport, ot->mTransport));
ASSERT_TRUE(Equals(atWithTransport->mTransport, at->mTransport));
}
}
TEST_P(JsepSessionTest, ParseRejectsBadMediaFormat) {
AddTracks(*mSessionOff);
if (types.front() == SdpMediaSection::MediaType::kApplication) {
return;
}
std::string offer = CreateOffer();
UniquePtr<Sdp> munge(Parse(offer));
SdpMediaSection& mediaSection = munge->GetMediaSection(0);
mediaSection.AddCodec("75", "DummyFormatVal", 8000, 1);
std::string sdpString = munge->ToString();
JsepSession::Result result =
mSessionOff->SetLocalDescription(kJsepSdpOffer, sdpString);
ASSERT_EQ(dom::PCError::OperationError, *result.mError);
}
TEST_P(JsepSessionTest, FullCallWithCandidates) {
AddTracks(*mSessionOff);
std::string offer = CreateOffer();
SetLocalOffer(offer);
mOffCandidates->Gather(*mSessionOff);
UniquePtr<Sdp> localOffer(
Parse(mSessionOff->GetLocalDescription(kJsepDescriptionPending)));
for (size_t i = 0; i < localOffer->GetMediaSectionCount(); ++i) {
std::string id = GetTransportId(*mSessionOff, i);
bool bundleOnly =
localOffer->GetMediaSection(i).GetAttributeList().HasAttribute(
SdpAttribute::kBundleOnlyAttribute);
mOffCandidates->CheckRtpCandidates(
!bundleOnly, localOffer->GetMediaSection(i), id,
"Local offer after gathering should have RTP candidates "
"(unless bundle-only)");
mOffCandidates->CheckDefaultRtpCandidate(
!bundleOnly, localOffer->GetMediaSection(i), id,
"Local offer after gathering should have a default RTP candidate "
"(unless bundle-only)");
mOffCandidates->CheckRtcpCandidates(
!bundleOnly && types[i] != SdpMediaSection::kApplication,
localOffer->GetMediaSection(i), id,
"Local offer after gathering should have RTCP candidates "
"(unless m=application or bundle-only)");
mOffCandidates->CheckDefaultRtcpCandidate(
!bundleOnly && types[i] != SdpMediaSection::kApplication,
localOffer->GetMediaSection(i), id,
"Local offer after gathering should have a default RTCP candidate "
"(unless m=application or bundle-only)");
CheckEndOfCandidates(
!bundleOnly, localOffer->GetMediaSection(i),
"Local offer after gathering should have an end-of-candidates "
"(unless bundle-only)");
}
SetRemoteOffer(offer);
mOffCandidates->Trickle(*mSessionAns);
UniquePtr<Sdp> remoteOffer(
Parse(mSessionAns->GetRemoteDescription(kJsepDescriptionPending)));
for (size_t i = 0; i < remoteOffer->GetMediaSectionCount(); ++i) {
std::string id = GetTransportId(*mSessionOff, i);
bool bundleOnly =
remoteOffer->GetMediaSection(i).GetAttributeList().HasAttribute(
SdpAttribute::kBundleOnlyAttribute);
mOffCandidates->CheckRtpCandidates(
!bundleOnly, remoteOffer->GetMediaSection(i), id,
"Remote offer after trickle should have RTP candidates "
"(unless bundle-only)");
mOffCandidates->CheckDefaultRtpCandidate(
false, remoteOffer->GetMediaSection(i), id,
"Remote offer after trickle should not have a default RTP candidate.");
mOffCandidates->CheckRtcpCandidates(
!bundleOnly && types[i] != SdpMediaSection::kApplication,
remoteOffer->GetMediaSection(i), id,
"Remote offer after trickle should have RTCP candidates "
"(unless m=application or bundle-only)");
mOffCandidates->CheckDefaultRtcpCandidate(
false, remoteOffer->GetMediaSection(i), id,
"Remote offer after trickle should not have a default RTCP candidate.");
CheckEndOfCandidates(
true, remoteOffer->GetMediaSection(i),
"Remote offer after trickle should have an end-of-candidates.");
}
AddTracks(*mSessionAns);
std::string answer = CreateAnswer();
SetLocalAnswer(answer);
// This will gather candidates that mSessionAns knows it doesn't need.
// They should not be present in the SDP.
mAnsCandidates->Gather(*mSessionAns);
UniquePtr<Sdp> localAnswer(
Parse(mSessionAns->GetLocalDescription(kJsepDescriptionCurrent)));
std::string id0 = GetTransportId(*mSessionAns, 0);
for (size_t i = 0; i < localAnswer->GetMediaSectionCount(); ++i) {
std::string id = GetTransportId(*mSessionAns, i);
mAnsCandidates->CheckRtpCandidates(
i == 0, localAnswer->GetMediaSection(i), id,
"Local answer after gathering should have RTP candidates on level 0.");
mAnsCandidates->CheckDefaultRtpCandidate(
true, localAnswer->GetMediaSection(i), id0,
"Local answer after gathering should have a default RTP candidate "
"on all levels that matches transport level 0.");
mAnsCandidates->CheckRtcpCandidates(
false, localAnswer->GetMediaSection(i), id,
"Local answer after gathering should not have RTCP candidates "
"(because we're answering with rtcp-mux)");
mAnsCandidates->CheckDefaultRtcpCandidate(
false, localAnswer->GetMediaSection(i), id,
"Local answer after gathering should not have a default RTCP candidate "
"(because we're answering with rtcp-mux)");
CheckEndOfCandidates(
i == 0, localAnswer->GetMediaSection(i),
"Local answer after gathering should have an end-of-candidates only for"
" level 0.");
}
SetRemoteAnswer(answer);
mAnsCandidates->Trickle(*mSessionOff);
UniquePtr<Sdp> remoteAnswer(
Parse(mSessionOff->GetRemoteDescription(kJsepDescriptionCurrent)));
for (size_t i = 0; i < remoteAnswer->GetMediaSectionCount(); ++i) {
std::string id = GetTransportId(*mSessionAns, i);
mAnsCandidates->CheckRtpCandidates(
i == 0, remoteAnswer->GetMediaSection(i), id,
"Remote answer after trickle should have RTP candidates on level 0.");
mAnsCandidates->CheckDefaultRtpCandidate(
false, remoteAnswer->GetMediaSection(i), id,
"Remote answer after trickle should not have a default RTP candidate.");
mAnsCandidates->CheckRtcpCandidates(
false, remoteAnswer->GetMediaSection(i), id,
"Remote answer after trickle should not have RTCP candidates "
"(because we're answering with rtcp-mux)");
mAnsCandidates->CheckDefaultRtcpCandidate(
false, remoteAnswer->GetMediaSection(i), id,
"Remote answer after trickle should not have a default RTCP "
"candidate.");
CheckEndOfCandidates(
true, remoteAnswer->GetMediaSection(i),
"Remote answer after trickle should have an end-of-candidates.");
}
}
TEST_P(JsepSessionTest, RenegotiationWithCandidates) {
AddTracks(*mSessionOff);
std::string offer = CreateOffer();
SetLocalOffer(offer);
mOffCandidates->Gather(*mSessionOff);
SetRemoteOffer(offer);
mOffCandidates->Trickle(*mSessionAns);
AddTracks(*mSessionAns);
std::string answer = CreateAnswer();
SetLocalAnswer(answer);
mAnsCandidates->Gather(*mSessionAns);
SetRemoteAnswer(answer);
mAnsCandidates->Trickle(*mSessionOff);
offer = CreateOffer();
SetLocalOffer(offer);
UniquePtr<Sdp> parsedOffer(Parse(offer));
std::string id0 = GetTransportId(*mSessionOff, 0);
for (size_t i = 0; i < parsedOffer->GetMediaSectionCount(); ++i) {
std::string id = GetTransportId(*mSessionOff, i);
mOffCandidates->CheckRtpCandidates(
i == 0, parsedOffer->GetMediaSection(i), id,
"Local reoffer before gathering should have RTP candidates on level 0"
" only.");
mOffCandidates->CheckDefaultRtpCandidate(
i == 0, parsedOffer->GetMediaSection(i), id0,
"Local reoffer before gathering should have a default RTP candidate "
"on level 0 only.");
mOffCandidates->CheckRtcpCandidates(
false, parsedOffer->GetMediaSection(i), id,
"Local reoffer before gathering should not have RTCP candidates.");
mOffCandidates->CheckDefaultRtcpCandidate(
false, parsedOffer->GetMediaSection(i), id,
"Local reoffer before gathering should not have a default RTCP "
"candidate.");
CheckEndOfCandidates(
i == 0, parsedOffer->GetMediaSection(i),
"Local reoffer before gathering should have an end-of-candidates "
"(level 0 only)");
}
// mSessionAns should generate a reoffer that is similar
std::string otherOffer;
JsepOfferOptions defaultOptions;
JsepSession::Result result =
mSessionAns->CreateOffer(defaultOptions, &otherOffer);
ASSERT_FALSE(result.mError.isSome());
parsedOffer = Parse(otherOffer);
id0 = GetTransportId(*mSessionAns, 0);
for (size_t i = 0; i < parsedOffer->GetMediaSectionCount(); ++i) {
std::string id = GetTransportId(*mSessionAns, i);
mAnsCandidates->CheckRtpCandidates(
i == 0, parsedOffer->GetMediaSection(i), id,
"Local reoffer before gathering should have RTP candidates on level 0"
" only. (previous answerer)");
mAnsCandidates->CheckDefaultRtpCandidate(
i == 0, parsedOffer->GetMediaSection(i), id0,
"Local reoffer before gathering should have a default RTP candidate "
"on level 0 only. (previous answerer)");
mAnsCandidates->CheckRtcpCandidates(
false, parsedOffer->GetMediaSection(i), id,
"Local reoffer before gathering should not have RTCP candidates."
" (previous answerer)");
mAnsCandidates->CheckDefaultRtcpCandidate(
false, parsedOffer->GetMediaSection(i), id,
"Local reoffer before gathering should not have a default RTCP "
"candidate. (previous answerer)");
CheckEndOfCandidates(
i == 0, parsedOffer->GetMediaSection(i),
"Local reoffer before gathering should have an end-of-candidates "
"(level 0 only)");
}
// Ok, let's continue with the renegotiation
SetRemoteOffer(offer);
// PeerConnection will not re-gather for RTP, but it will for RTCP in case
// the answerer decides to turn off rtcp-mux.
if (types[0] != SdpMediaSection::kApplication) {
mOffCandidates->Gather(*mSessionOff, GetTransportId(*mSessionOff, 0), RTCP);
}
// Since the remaining levels were bundled, PeerConnection will re-gather for
// both RTP and RTCP, in case the answerer rejects bundle, provided
// bundle-only isn't being used.
UniquePtr<Sdp> localOffer(
Parse(mSessionOff->GetLocalDescription(kJsepDescriptionPending)));
for (size_t level = 1; level < types.size(); ++level) {
std::string id = GetTransportId(*mSessionOff, level);
bool bundleOnly =
localOffer->GetMediaSection(level).GetAttributeList().HasAttribute(
SdpAttribute::kBundleOnlyAttribute);
if (!id.empty() && !bundleOnly) {
mOffCandidates->Gather(*mSessionOff, id, RTP);
if (types[level] != SdpMediaSection::kApplication) {
mOffCandidates->Gather(*mSessionOff, id, RTCP);
}
}
}
mOffCandidates->FinishGathering(*mSessionOff);
localOffer = Parse(mSessionOff->GetLocalDescription(kJsepDescriptionPending));
mOffCandidates->Trickle(*mSessionAns);
for (size_t i = 0; i < localOffer->GetMediaSectionCount(); ++i) {
std::string id = GetTransportId(*mSessionOff, i);
bool bundleOnly =
localOffer->GetMediaSection(i).GetAttributeList().HasAttribute(
SdpAttribute::kBundleOnlyAttribute);
mOffCandidates->CheckRtpCandidates(
!bundleOnly, localOffer->GetMediaSection(i), id,
"Local reoffer after gathering should have RTP candidates "
"(unless bundle-only)");
mOffCandidates->CheckDefaultRtpCandidate(
!bundleOnly, localOffer->GetMediaSection(i), id,
"Local reoffer after gathering should have a default RTP candidate "
"(unless bundle-only)");
mOffCandidates->CheckRtcpCandidates(
!bundleOnly && (types[i] != SdpMediaSection::kApplication),
localOffer->GetMediaSection(i), id,
"Local reoffer after gathering should have RTCP candidates "
"(unless m=application or bundle-only)");
mOffCandidates->CheckDefaultRtcpCandidate(
!bundleOnly && (types[i] != SdpMediaSection::kApplication),
localOffer->GetMediaSection(i), id,
"Local reoffer after gathering should have a default RTCP candidate "
"(unless m=application or bundle-only)");
CheckEndOfCandidates(
!bundleOnly, localOffer->GetMediaSection(i),
"Local reoffer after gathering should have an end-of-candidates "
"(unless bundle-only)");
}
UniquePtr<Sdp> remoteOffer(
Parse(mSessionAns->GetRemoteDescription(kJsepDescriptionPending)));
for (size_t i = 0; i < remoteOffer->GetMediaSectionCount(); ++i) {
bool bundleOnly =
remoteOffer->GetMediaSection(i).GetAttributeList().HasAttribute(
SdpAttribute::kBundleOnlyAttribute);
std::string id = GetTransportId(*mSessionOff, i);
mOffCandidates->CheckRtpCandidates(
!bundleOnly, remoteOffer->GetMediaSection(i), id,
"Remote reoffer after trickle should have RTP candidates "
"(unless bundle-only)");
mOffCandidates->CheckDefaultRtpCandidate(
i == 0, remoteOffer->GetMediaSection(i), id,
"Remote reoffer should have a default RTP candidate on level 0 "
"(because it was gathered last offer/answer).");
mOffCandidates->CheckRtcpCandidates(
!bundleOnly && types[i] != SdpMediaSection::kApplication,
remoteOffer->GetMediaSection(i), id,
"Remote reoffer after trickle should have RTCP candidates "
"(unless m=application or bundle-only)");
mOffCandidates->CheckDefaultRtcpCandidate(
false, remoteOffer->GetMediaSection(i), id,
"Remote reoffer should not have a default RTCP candidate.");
CheckEndOfCandidates(true, remoteOffer->GetMediaSection(i),
"Remote reoffer should have an end-of-candidates.");
}
answer = CreateAnswer();
SetLocalAnswer(answer);
SetRemoteAnswer(answer);
// No candidates should be gathered at the answerer, but default candidates
// should be set.
mAnsCandidates->FinishGathering(*mSessionAns);
UniquePtr<Sdp> localAnswer(
Parse(mSessionAns->GetLocalDescription(kJsepDescriptionCurrent)));
id0 = GetTransportId(*mSessionAns, 0);
for (size_t i = 0; i < localAnswer->GetMediaSectionCount(); ++i) {
std::string id = GetTransportId(*mSessionAns, 0);
mAnsCandidates->CheckRtpCandidates(
i == 0, localAnswer->GetMediaSection(i), id,
"Local reanswer after gathering should have RTP candidates on level "
"0.");
mAnsCandidates->CheckDefaultRtpCandidate(
true, localAnswer->GetMediaSection(i), id0,
"Local reanswer after gathering should have a default RTP candidate "
"on all levels that matches transport level 0.");
mAnsCandidates->CheckRtcpCandidates(
false, localAnswer->GetMediaSection(i), id,
"Local reanswer after gathering should not have RTCP candidates "
"(because we're reanswering with rtcp-mux)");
mAnsCandidates->CheckDefaultRtcpCandidate(
false, localAnswer->GetMediaSection(i), id,
"Local reanswer after gathering should not have a default RTCP "
"candidate (because we're reanswering with rtcp-mux)");
CheckEndOfCandidates(
i == 0, localAnswer->GetMediaSection(i),
"Local reanswer after gathering should have an end-of-candidates only "
"for level 0.");
}
UniquePtr<Sdp> remoteAnswer(
Parse(mSessionOff->GetRemoteDescription(kJsepDescriptionCurrent)));
for (size_t i = 0; i < localAnswer->GetMediaSectionCount(); ++i) {
std::string id = GetTransportId(*mSessionAns, 0);
mAnsCandidates->CheckRtpCandidates(
i == 0, remoteAnswer->GetMediaSection(i), id,
"Remote reanswer after trickle should have RTP candidates on level 0.");
mAnsCandidates->CheckDefaultRtpCandidate(
i == 0, remoteAnswer->GetMediaSection(i), id,
"Remote reanswer should have a default RTP candidate on level 0 "
"(because it was gathered last offer/answer).");
mAnsCandidates->CheckRtcpCandidates(
false, remoteAnswer->GetMediaSection(i), id,
"Remote reanswer after trickle should not have RTCP candidates "
"(because we're reanswering with rtcp-mux)");
mAnsCandidates->CheckDefaultRtcpCandidate(
false, remoteAnswer->GetMediaSection(i), id,
"Remote reanswer after trickle should not have a default RTCP "
"candidate.");
CheckEndOfCandidates(i == 0, remoteAnswer->GetMediaSection(i),
"Remote reanswer after trickle should have an "
"end-of-candidates on level 0 only.");
}
}
TEST_P(JsepSessionTest, RenegotiationAnswererSendonly) {
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
OfferAnswer();
std::string offer = CreateOffer();
SetLocalOffer(offer);
SetRemoteOffer(offer);
std::string answer = CreateAnswer();
SetLocalAnswer(answer);
UniquePtr<Sdp> parsedAnswer(Parse(answer));
for (size_t i = 0; i < parsedAnswer->GetMediaSectionCount(); ++i) {
SdpMediaSection& msection = parsedAnswer->GetMediaSection(i);
if (msection.GetMediaType() != SdpMediaSection::kApplication) {
msection.SetReceiving(false);
}
}
answer = parsedAnswer->ToString();
SetRemoteAnswer(answer);
for (const JsepTrack& track : GetLocalTracks(*mSessionOff)) {
if (track.GetMediaType() != SdpMediaSection::kApplication) {
ASSERT_FALSE(track.GetActive());
}
}
ASSERT_EQ(types.size(), GetTransceivers(*mSessionOff).size());
}
TEST_P(JsepSessionTest, RenegotiationAnswererInactive) {
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
OfferAnswer();
std::string offer = CreateOffer();
SetLocalOffer(offer);
SetRemoteOffer(offer);
std::string answer = CreateAnswer();
SetLocalAnswer(answer);
UniquePtr<Sdp> parsedAnswer(Parse(answer));
for (size_t i = 0; i < parsedAnswer->GetMediaSectionCount(); ++i) {
SdpMediaSection& msection = parsedAnswer->GetMediaSection(i);
if (msection.GetMediaType() != SdpMediaSection::kApplication) {
msection.SetReceiving(false);
msection.SetSending(false);
}
}
answer = parsedAnswer->ToString();
SetRemoteAnswer(answer, CHECK_SUCCESS); // Won't have answerer tracks
for (const JsepTrack& track : GetLocalTracks(*mSessionOff)) {
if (track.GetMediaType() != SdpMediaSection::kApplication) {
ASSERT_FALSE(track.GetActive());
}
}
ASSERT_EQ(types.size(), GetTransceivers(*mSessionOff).size());
}
INSTANTIATE_TEST_SUITE_P(
Variants, JsepSessionTest,
::testing::Values("audio", "video", "datachannel", "audio,video",
"video,audio", "audio,datachannel", "video,datachannel",
"video,audio,datachannel", "audio,video,datachannel",
"datachannel,audio", "datachannel,video",
"datachannel,audio,video", "datachannel,video,audio",
"audio,datachannel,video", "video,datachannel,audio",
"audio,audio", "video,video", "audio,audio,video",
"audio,video,video", "audio,audio,video,video",
"audio,audio,video,video,datachannel"));
// offerToReceiveXxx variants
TEST_F(JsepSessionTest, OfferAnswerRecvOnlyLines) {
mSessionOff->AddTransceiver(JsepTransceiver(
SdpMediaSection::kAudio, mUuidGen, SdpDirectionAttribute::kRecvonly));
mSessionOff->AddTransceiver(JsepTransceiver(
SdpMediaSection::kVideo, mUuidGen, SdpDirectionAttribute::kRecvonly));
mSessionOff->AddTransceiver(JsepTransceiver(
SdpMediaSection::kVideo, mUuidGen, SdpDirectionAttribute::kRecvonly));
std::string offer = CreateOffer();
UniquePtr<Sdp> parsedOffer(Parse(offer));
ASSERT_TRUE(!!parsedOffer);
ASSERT_EQ(3U, parsedOffer->GetMediaSectionCount());
ASSERT_EQ(SdpMediaSection::kAudio,
parsedOffer->GetMediaSection(0).GetMediaType());
ASSERT_EQ(SdpDirectionAttribute::kRecvonly,
parsedOffer->GetMediaSection(0).GetAttributeList().GetDirection());
ASSERT_TRUE(parsedOffer->GetMediaSection(0).GetAttributeList().HasAttribute(
SdpAttribute::kSsrcAttribute));
ASSERT_EQ(SdpMediaSection::kVideo,
parsedOffer->GetMediaSection(1).GetMediaType());
ASSERT_EQ(SdpDirectionAttribute::kRecvonly,
parsedOffer->GetMediaSection(1).GetAttributeList().GetDirection());
ASSERT_TRUE(parsedOffer->GetMediaSection(1).GetAttributeList().HasAttribute(
SdpAttribute::kSsrcAttribute));
ASSERT_EQ(SdpMediaSection::kVideo,
parsedOffer->GetMediaSection(2).GetMediaType());
ASSERT_EQ(SdpDirectionAttribute::kRecvonly,
parsedOffer->GetMediaSection(2).GetAttributeList().GetDirection());
ASSERT_TRUE(parsedOffer->GetMediaSection(2).GetAttributeList().HasAttribute(
SdpAttribute::kSsrcAttribute));
ASSERT_TRUE(parsedOffer->GetMediaSection(0).GetAttributeList().HasAttribute(
SdpAttribute::kRtcpMuxAttribute));
ASSERT_TRUE(parsedOffer->GetMediaSection(1).GetAttributeList().HasAttribute(
SdpAttribute::kRtcpMuxAttribute));
ASSERT_TRUE(parsedOffer->GetMediaSection(2).GetAttributeList().HasAttribute(
SdpAttribute::kRtcpMuxAttribute));
SetLocalOffer(offer, CHECK_SUCCESS);
AddTracks(*mSessionAns, "audio,video");
SetRemoteOffer(offer, CHECK_SUCCESS);
std::string answer = CreateAnswer();
UniquePtr<Sdp> parsedAnswer(Parse(answer));
ASSERT_EQ(3U, parsedAnswer->GetMediaSectionCount());
ASSERT_EQ(SdpMediaSection::kAudio,
parsedAnswer->GetMediaSection(0).GetMediaType());
ASSERT_EQ(SdpDirectionAttribute::kSendonly,
parsedAnswer->GetMediaSection(0).GetAttributeList().GetDirection());
ASSERT_EQ(SdpMediaSection::kVideo,
parsedAnswer->GetMediaSection(1).GetMediaType());
ASSERT_EQ(SdpDirectionAttribute::kSendonly,
parsedAnswer->GetMediaSection(1).GetAttributeList().GetDirection());
ASSERT_EQ(SdpMediaSection::kVideo,
parsedAnswer->GetMediaSection(2).GetMediaType());
ASSERT_EQ(SdpDirectionAttribute::kInactive,
parsedAnswer->GetMediaSection(2).GetAttributeList().GetDirection());
SetLocalAnswer(answer, CHECK_SUCCESS);
SetRemoteAnswer(answer, CHECK_SUCCESS);
std::vector<JsepTransceiver> transceivers(GetTransceivers(*mSessionOff));
ASSERT_EQ(3U, transceivers.size());
for (const auto& transceiver : transceivers) {
const auto& msection = parsedOffer->GetMediaSection(transceiver.GetLevel());
const auto& ssrcs = msection.GetAttributeList().GetSsrc().mSsrcs;
ASSERT_EQ(1U, ssrcs.size());
}
}
TEST_F(JsepSessionTest, OfferAnswerSendOnlyLines) {
AddTracks(*mSessionOff, "audio,video,video");
SetDirection(*mSessionOff, 0, SdpDirectionAttribute::kSendonly);
SetDirection(*mSessionOff, 2, SdpDirectionAttribute::kSendonly);
std::string offer = CreateOffer();
UniquePtr<Sdp> outputSdp(Parse(offer));
ASSERT_TRUE(!!outputSdp);
ASSERT_EQ(3U, outputSdp->GetMediaSectionCount());
ASSERT_EQ(SdpMediaSection::kAudio,
outputSdp->GetMediaSection(0).GetMediaType());
ASSERT_EQ(SdpDirectionAttribute::kSendonly,
outputSdp->GetMediaSection(0).GetAttributeList().GetDirection());
ASSERT_EQ(SdpMediaSection::kVideo,
outputSdp->GetMediaSection(1).GetMediaType());
ASSERT_EQ(SdpDirectionAttribute::kSendrecv,
outputSdp->GetMediaSection(1).GetAttributeList().GetDirection());
ASSERT_EQ(SdpMediaSection::kVideo,
outputSdp->GetMediaSection(2).GetMediaType());
ASSERT_EQ(SdpDirectionAttribute::kSendonly,
outputSdp->GetMediaSection(2).GetAttributeList().GetDirection());
ASSERT_TRUE(outputSdp->GetMediaSection(0).GetAttributeList().HasAttribute(
SdpAttribute::kRtcpMuxAttribute));
ASSERT_TRUE(outputSdp->GetMediaSection(1).GetAttributeList().HasAttribute(
SdpAttribute::kRtcpMuxAttribute));
ASSERT_TRUE(outputSdp->GetMediaSection(2).GetAttributeList().HasAttribute(
SdpAttribute::kRtcpMuxAttribute));
SetLocalOffer(offer, CHECK_SUCCESS);
AddTracks(*mSessionAns, "audio,video");
SetRemoteOffer(offer, CHECK_SUCCESS);
std::string answer = CreateAnswer();
outputSdp = Parse(answer);
ASSERT_EQ(3U, outputSdp->GetMediaSectionCount());
ASSERT_EQ(SdpMediaSection::kAudio,
outputSdp->GetMediaSection(0).GetMediaType());
ASSERT_EQ(SdpDirectionAttribute::kRecvonly,
outputSdp->GetMediaSection(0).GetAttributeList().GetDirection());
ASSERT_EQ(SdpMediaSection::kVideo,
outputSdp->GetMediaSection(1).GetMediaType());
ASSERT_EQ(SdpDirectionAttribute::kSendrecv,
outputSdp->GetMediaSection(1).GetAttributeList().GetDirection());
ASSERT_EQ(SdpMediaSection::kVideo,
outputSdp->GetMediaSection(2).GetMediaType());
ASSERT_EQ(SdpDirectionAttribute::kRecvonly,
outputSdp->GetMediaSection(2).GetAttributeList().GetDirection());
}
TEST_F(JsepSessionTest, OfferToReceiveAudioNotUsed) {
mSessionOff->AddTransceiver(JsepTransceiver(
SdpMediaSection::kAudio, mUuidGen, SdpDirectionAttribute::kRecvonly));
OfferAnswer(CHECK_SUCCESS);
UniquePtr<Sdp> offer(
Parse(mSessionOff->GetLocalDescription(kJsepDescriptionCurrent)));
ASSERT_TRUE(offer.get());
ASSERT_EQ(1U, offer->GetMediaSectionCount());
ASSERT_EQ(SdpMediaSection::kAudio, offer->GetMediaSection(0).GetMediaType());
ASSERT_EQ(SdpDirectionAttribute::kRecvonly,
offer->GetMediaSection(0).GetAttributeList().GetDirection());
UniquePtr<Sdp> answer(
Parse(mSessionAns->GetLocalDescription(kJsepDescriptionCurrent)));
ASSERT_TRUE(answer.get());
ASSERT_EQ(1U, answer->GetMediaSectionCount());
ASSERT_EQ(SdpMediaSection::kAudio, answer->GetMediaSection(0).GetMediaType());
ASSERT_EQ(SdpDirectionAttribute::kInactive,
answer->GetMediaSection(0).GetAttributeList().GetDirection());
}
TEST_F(JsepSessionTest, OfferToReceiveVideoNotUsed) {
mSessionOff->AddTransceiver(JsepTransceiver(
SdpMediaSection::kVideo, mUuidGen, SdpDirectionAttribute::kRecvonly));
OfferAnswer(CHECK_SUCCESS);
UniquePtr<Sdp> offer(
Parse(mSessionOff->GetLocalDescription(kJsepDescriptionCurrent)));
ASSERT_TRUE(offer.get());
ASSERT_EQ(1U, offer->GetMediaSectionCount());
ASSERT_EQ(SdpMediaSection::kVideo, offer->GetMediaSection(0).GetMediaType());
ASSERT_EQ(SdpDirectionAttribute::kRecvonly,
offer->GetMediaSection(0).GetAttributeList().GetDirection());
UniquePtr<Sdp> answer(
Parse(mSessionAns->GetLocalDescription(kJsepDescriptionCurrent)));
ASSERT_TRUE(answer.get());
ASSERT_EQ(1U, answer->GetMediaSectionCount());
ASSERT_EQ(SdpMediaSection::kVideo, answer->GetMediaSection(0).GetMediaType());
ASSERT_EQ(SdpDirectionAttribute::kInactive,
answer->GetMediaSection(0).GetAttributeList().GetDirection());
}
TEST_F(JsepSessionTest, CreateOfferNoDatachannelDefault) {
JsepTransceiver audio(SdpMediaSection::kAudio, mUuidGen);
audio.mSendTrack.UpdateStreamIds(
std::vector<std::string>(1, "offerer_stream"));
mSessionOff->AddTransceiver(audio);
JsepTransceiver video(SdpMediaSection::kVideo, mUuidGen);
video.mSendTrack.UpdateStreamIds(
std::vector<std::string>(1, "offerer_stream"));
mSessionOff->AddTransceiver(video);
std::string offer = CreateOffer();
UniquePtr<Sdp> outputSdp(Parse(offer));
ASSERT_TRUE(!!outputSdp);
ASSERT_EQ(2U, outputSdp->GetMediaSectionCount());
ASSERT_EQ(SdpMediaSection::kAudio,
outputSdp->GetMediaSection(0).GetMediaType());
ASSERT_EQ(SdpMediaSection::kVideo,
outputSdp->GetMediaSection(1).GetMediaType());
}
TEST_F(JsepSessionTest, ValidateOfferedVideoCodecParams) {
types.push_back(SdpMediaSection::kAudio);
types.push_back(SdpMediaSection::kVideo);
JsepTransceiver audio(SdpMediaSection::kAudio, mUuidGen);
audio.mSendTrack.UpdateStreamIds(
std::vector<std::string>(1, "offerer_stream"));
mSessionOff->AddTransceiver(audio);
JsepTransceiver video(SdpMediaSection::kVideo, mUuidGen);
video.mSendTrack.UpdateStreamIds(
std::vector<std::string>(1, "offerer_stream"));
mSessionOff->AddTransceiver(video);
std::string offer = CreateOffer();
UniquePtr<Sdp> outputSdp(Parse(offer));
ASSERT_TRUE(!!outputSdp);
ASSERT_EQ(2U, outputSdp->GetMediaSectionCount());
const auto& video_section = outputSdp->GetMediaSection(1);
ASSERT_EQ(SdpMediaSection::kVideo, video_section.GetMediaType());
const auto& video_attrs = video_section.GetAttributeList();
ASSERT_EQ(SdpDirectionAttribute::kSendrecv, video_attrs.GetDirection());
ASSERT_EQ(15U, video_section.GetFormats().size());
ASSERT_EQ("120", video_section.GetFormats()[0]);
ASSERT_EQ("124", video_section.GetFormats()[1]);
ASSERT_EQ("121", video_section.GetFormats()[2]);
ASSERT_EQ("125", video_section.GetFormats()[3]);
ASSERT_EQ("126", video_section.GetFormats()[4]);
ASSERT_EQ("127", video_section.GetFormats()[5]);
ASSERT_EQ("97", video_section.GetFormats()[6]);
ASSERT_EQ("98", video_section.GetFormats()[7]);
ASSERT_EQ("105", video_section.GetFormats()[8]);
ASSERT_EQ("106", video_section.GetFormats()[9]);
ASSERT_EQ("103", video_section.GetFormats()[10]);
ASSERT_EQ("104", video_section.GetFormats()[11]);
ASSERT_EQ("123", video_section.GetFormats()[12]);
ASSERT_EQ("122", video_section.GetFormats()[13]);
ASSERT_EQ("119", video_section.GetFormats()[14]);
// Validate rtpmap
ASSERT_TRUE(video_attrs.HasAttribute(SdpAttribute::kRtpmapAttribute));
auto& rtpmaps = video_attrs.GetRtpmap();
ASSERT_TRUE(rtpmaps.HasEntry("120"));
ASSERT_TRUE(rtpmaps.HasEntry("124"));
ASSERT_TRUE(rtpmaps.HasEntry("121"));
ASSERT_TRUE(rtpmaps.HasEntry("125"));
ASSERT_TRUE(rtpmaps.HasEntry("126"));
ASSERT_TRUE(rtpmaps.HasEntry("127"));
ASSERT_TRUE(rtpmaps.HasEntry("105"));
ASSERT_TRUE(rtpmaps.HasEntry("106"));
ASSERT_TRUE(rtpmaps.HasEntry("103"));
ASSERT_TRUE(rtpmaps.HasEntry("104"));
ASSERT_TRUE(rtpmaps.HasEntry("97"));
ASSERT_TRUE(rtpmaps.HasEntry("98"));
ASSERT_TRUE(rtpmaps.HasEntry("123"));
ASSERT_TRUE(rtpmaps.HasEntry("122"));
ASSERT_TRUE(rtpmaps.HasEntry("119"));
const auto& vp8_entry = rtpmaps.GetEntry("120");
const auto& vp8_rtx_entry = rtpmaps.GetEntry("124");
const auto& vp9_entry = rtpmaps.GetEntry("121");
const auto& vp9_rtx_entry = rtpmaps.GetEntry("125");
const auto& h264_1_entry = rtpmaps.GetEntry("126");
const auto& h264_1_rtx_entry = rtpmaps.GetEntry("127");
const auto& h264_0_entry = rtpmaps.GetEntry("97");
const auto& h264_0_rtx_entry = rtpmaps.GetEntry("98");
const auto& h264_baseline_1_entry = rtpmaps.GetEntry("105");
const auto& h264_baseline_1_rtx_entry = rtpmaps.GetEntry("106");
const auto& h264_baseline_0_entry = rtpmaps.GetEntry("103");
const auto& h264_baseline_0_rtx_entry = rtpmaps.GetEntry("104");
const auto& ulpfec_0_entry = rtpmaps.GetEntry("123");
const auto& red_0_entry = rtpmaps.GetEntry("122");
const auto& red_0_rtx_entry = rtpmaps.GetEntry("119");
ASSERT_EQ("VP8", vp8_entry.name);
ASSERT_EQ("rtx", vp8_rtx_entry.name);
ASSERT_EQ("VP9", vp9_entry.name);
ASSERT_EQ("rtx", vp9_rtx_entry.name);
ASSERT_EQ("H264", h264_1_entry.name);
ASSERT_EQ("rtx", h264_1_rtx_entry.name);
ASSERT_EQ("H264", h264_0_entry.name);
ASSERT_EQ("rtx", h264_0_rtx_entry.name);
ASSERT_EQ("H264", h264_baseline_1_entry.name);
ASSERT_EQ("rtx", h264_baseline_1_rtx_entry.name);
ASSERT_EQ("H264", h264_baseline_0_entry.name);
ASSERT_EQ("rtx", h264_baseline_0_rtx_entry.name);
ASSERT_EQ("red", red_0_entry.name);
ASSERT_EQ("ulpfec", ulpfec_0_entry.name);
ASSERT_EQ("rtx", red_0_rtx_entry.name);
// Validate fmtps
ASSERT_TRUE(video_attrs.HasAttribute(SdpAttribute::kFmtpAttribute));
auto& fmtps = video_attrs.GetFmtp().mFmtps;
ASSERT_EQ(13U, fmtps.size());
// VP8
const SdpFmtpAttributeList::Parameters* vp8_params =
video_section.FindFmtp("120");
ASSERT_TRUE(vp8_params);
ASSERT_EQ(SdpRtpmapAttributeList::kVP8, vp8_params->codec_type);
auto& parsed_vp8_params =
*static_cast<const SdpFmtpAttributeList::VP8Parameters*>(vp8_params);
ASSERT_EQ((uint32_t)12288, parsed_vp8_params.max_fs);
ASSERT_EQ((uint32_t)60, parsed_vp8_params.max_fr);
// VP8 RTX
const SdpFmtpAttributeList::Parameters* vp8_rtx_params =
video_section.FindFmtp("124");
ASSERT_TRUE(vp8_rtx_params);
ASSERT_EQ(SdpRtpmapAttributeList::kRtx, vp8_rtx_params->codec_type);
const auto& parsed_vp8_rtx_params =
*static_cast<const SdpFmtpAttributeList::RtxParameters*>(vp8_rtx_params);
ASSERT_EQ((uint32_t)120, parsed_vp8_rtx_params.apt);
// VP9
const SdpFmtpAttributeList::Parameters* vp9_params =
video_section.FindFmtp("121");
ASSERT_TRUE(vp9_params);
ASSERT_EQ(SdpRtpmapAttributeList::kVP9, vp9_params->codec_type);
const auto& parsed_vp9_params =
*static_cast<const SdpFmtpAttributeList::VP8Parameters*>(vp9_params);
ASSERT_EQ((uint32_t)12288, parsed_vp9_params.max_fs);
ASSERT_EQ((uint32_t)60, parsed_vp9_params.max_fr);
// VP9 RTX
const SdpFmtpAttributeList::Parameters* vp9_rtx_params =
video_section.FindFmtp("125");
ASSERT_TRUE(vp9_rtx_params);
ASSERT_EQ(SdpRtpmapAttributeList::kRtx, vp9_rtx_params->codec_type);
const auto& parsed_vp9_rtx_params =
*static_cast<const SdpFmtpAttributeList::RtxParameters*>(vp9_rtx_params);
ASSERT_EQ((uint32_t)121, parsed_vp9_rtx_params.apt);
// H264 packetization mode 1
const SdpFmtpAttributeList::Parameters* h264_1_params =
video_section.FindFmtp("126");
ASSERT_TRUE(h264_1_params);
ASSERT_EQ(SdpRtpmapAttributeList::kH264, h264_1_params->codec_type);
const auto& parsed_h264_1_params =
*static_cast<const SdpFmtpAttributeList::H264Parameters*>(h264_1_params);
ASSERT_EQ((uint32_t)0x42e01f, parsed_h264_1_params.profile_level_id);
ASSERT_TRUE(parsed_h264_1_params.level_asymmetry_allowed);
ASSERT_EQ(1U, parsed_h264_1_params.packetization_mode);
// H264 packetization mode 1 RTX
const SdpFmtpAttributeList::Parameters* h264_1_rtx_params =
video_section.FindFmtp("127");
ASSERT_TRUE(h264_1_rtx_params);
ASSERT_EQ(SdpRtpmapAttributeList::kRtx, h264_1_rtx_params->codec_type);
const auto& parsed_h264_1_rtx_params =
*static_cast<const SdpFmtpAttributeList::RtxParameters*>(
h264_1_rtx_params);
ASSERT_EQ((uint32_t)126, parsed_h264_1_rtx_params.apt);
// H264 packetization mode 0
const SdpFmtpAttributeList::Parameters* h264_0_params =
video_section.FindFmtp("97");
ASSERT_TRUE(h264_0_params);
ASSERT_EQ(SdpRtpmapAttributeList::kH264, h264_0_params->codec_type);
const auto& parsed_h264_0_params =
*static_cast<const SdpFmtpAttributeList::H264Parameters*>(h264_0_params);
ASSERT_EQ((uint32_t)0x42e01f, parsed_h264_0_params.profile_level_id);
ASSERT_TRUE(parsed_h264_0_params.level_asymmetry_allowed);
ASSERT_EQ(0U, parsed_h264_0_params.packetization_mode);
// H264 packetization mode 0 RTX
const SdpFmtpAttributeList::Parameters* h264_0_rtx_params =
video_section.FindFmtp("98");
ASSERT_TRUE(h264_0_rtx_params);
ASSERT_EQ(SdpRtpmapAttributeList::kRtx, h264_0_rtx_params->codec_type);
const auto& parsed_h264_0_rtx_params =
*static_cast<const SdpFmtpAttributeList::RtxParameters*>(
h264_0_rtx_params);
ASSERT_EQ((uint32_t)97, parsed_h264_0_rtx_params.apt);
// H264 Baseline packetization mode 1
const SdpFmtpAttributeList::Parameters* h264_baseline_1_params =
video_section.FindFmtp("105");
ASSERT_TRUE(h264_baseline_1_params);
ASSERT_EQ(SdpRtpmapAttributeList::kH264, h264_baseline_1_params->codec_type);
const auto& parsed_h264_baseline_1_params =
*static_cast<const SdpFmtpAttributeList::H264Parameters*>(
h264_baseline_1_params);
ASSERT_EQ((uint32_t)0x42001f, parsed_h264_baseline_1_params.profile_level_id);
ASSERT_TRUE(parsed_h264_baseline_1_params.level_asymmetry_allowed);
ASSERT_EQ(1U, parsed_h264_baseline_1_params.packetization_mode);
// H264 Baseline packetization mode 1 RTX
const SdpFmtpAttributeList::Parameters* h264_baseline_1_rtx_params =
video_section.FindFmtp("106");
ASSERT_TRUE(h264_baseline_1_rtx_params);
ASSERT_EQ(SdpRtpmapAttributeList::kRtx,
h264_baseline_1_rtx_params->codec_type);
const auto& parsed_h264__baseline_1_rtx_params =
*static_cast<const SdpFmtpAttributeList::RtxParameters*>(
h264_baseline_1_rtx_params);
ASSERT_EQ((uint32_t)105, parsed_h264__baseline_1_rtx_params.apt);
// H264 Baseline packetization mode 0
const SdpFmtpAttributeList::Parameters* h264_baseline_0_params =
video_section.FindFmtp("103");
ASSERT_TRUE(h264_baseline_0_params);
ASSERT_EQ(SdpRtpmapAttributeList::kH264, h264_baseline_0_params->codec_type);
const auto& parsed_h264_baseline_0_params =
*static_cast<const SdpFmtpAttributeList::H264Parameters*>(
h264_baseline_0_params);
ASSERT_EQ((uint32_t)0x42001f, parsed_h264_baseline_0_params.profile_level_id);
ASSERT_TRUE(parsed_h264_baseline_0_params.level_asymmetry_allowed);
ASSERT_EQ(0U, parsed_h264_baseline_0_params.packetization_mode);
// H264 Baseline packetization mode 0 RTX
const SdpFmtpAttributeList::Parameters* h264__baseline_0_rtx_params =
video_section.FindFmtp("104");
ASSERT_TRUE(h264__baseline_0_rtx_params);
ASSERT_EQ(SdpRtpmapAttributeList::kRtx,
h264__baseline_0_rtx_params->codec_type);
const auto& parsed_h264_baseline_0_rtx_params =
*static_cast<const SdpFmtpAttributeList::RtxParameters*>(
h264__baseline_0_rtx_params);
ASSERT_EQ((uint32_t)103, parsed_h264_baseline_0_rtx_params.apt);
// red RTX
const SdpFmtpAttributeList::Parameters* red_rtx_params =
video_section.FindFmtp("119");
ASSERT_TRUE(red_rtx_params);
ASSERT_EQ(SdpRtpmapAttributeList::kRtx, red_rtx_params->codec_type);
const auto& parsed_red_rtx_params =
*static_cast<const SdpFmtpAttributeList::RtxParameters*>(red_rtx_params);
ASSERT_EQ((uint32_t)122, parsed_red_rtx_params.apt);
}
TEST_F(JsepSessionTest, ValidateOfferedAudioCodecParams) {
types.push_back(SdpMediaSection::kAudio);
types.push_back(SdpMediaSection::kVideo);
JsepTransceiver audio(SdpMediaSection::kAudio, mUuidGen);
audio.mSendTrack.UpdateStreamIds(
std::vector<std::string>(1, "offerer_stream"));
mSessionOff->AddTransceiver(audio);
JsepTransceiver video(SdpMediaSection::kVideo, mUuidGen);
video.mSendTrack.UpdateStreamIds(
std::vector<std::string>(1, "offerer_stream"));
mSessionOff->AddTransceiver(video);
std::string offer = CreateOffer();
UniquePtr<Sdp> outputSdp(Parse(offer));
ASSERT_TRUE(!!outputSdp);
ASSERT_EQ(2U, outputSdp->GetMediaSectionCount());
auto& audio_section = outputSdp->GetMediaSection(0);
ASSERT_EQ(SdpMediaSection::kAudio, audio_section.GetMediaType());
auto& audio_attrs = audio_section.GetAttributeList();
ASSERT_EQ(SdpDirectionAttribute::kSendrecv, audio_attrs.GetDirection());
ASSERT_EQ(5U, audio_section.GetFormats().size());
ASSERT_EQ("109", audio_section.GetFormats()[0]);
ASSERT_EQ("9", audio_section.GetFormats()[1]);
ASSERT_EQ("0", audio_section.GetFormats()[2]);
ASSERT_EQ("8", audio_section.GetFormats()[3]);
ASSERT_EQ("101", audio_section.GetFormats()[4]);
// Validate rtpmap
ASSERT_TRUE(audio_attrs.HasAttribute(SdpAttribute::kRtpmapAttribute));
auto& rtpmaps = audio_attrs.GetRtpmap();
ASSERT_TRUE(rtpmaps.HasEntry("109"));
ASSERT_TRUE(rtpmaps.HasEntry("9"));
ASSERT_TRUE(rtpmaps.HasEntry("0"));
ASSERT_TRUE(rtpmaps.HasEntry("8"));
ASSERT_TRUE(rtpmaps.HasEntry("101"));
auto& opus_entry = rtpmaps.GetEntry("109");
auto& g722_entry = rtpmaps.GetEntry("9");
auto& pcmu_entry = rtpmaps.GetEntry("0");
auto& pcma_entry = rtpmaps.GetEntry("8");
auto& telephone_event_entry = rtpmaps.GetEntry("101");
ASSERT_EQ("opus", opus_entry.name);
ASSERT_EQ("G722", g722_entry.name);
ASSERT_EQ("PCMU", pcmu_entry.name);
ASSERT_EQ("PCMA", pcma_entry.name);
ASSERT_EQ("telephone-event", telephone_event_entry.name);
// Validate fmtps
ASSERT_TRUE(audio_attrs.HasAttribute(SdpAttribute::kFmtpAttribute));
auto& fmtps = audio_attrs.GetFmtp().mFmtps;
ASSERT_EQ(2U, fmtps.size());
// opus
const SdpFmtpAttributeList::Parameters* opus_params =
audio_section.FindFmtp("109");
ASSERT_TRUE(opus_params);
ASSERT_EQ(SdpRtpmapAttributeList::kOpus, opus_params->codec_type);
auto& parsed_opus_params =
*static_cast<const SdpFmtpAttributeList::OpusParameters*>(opus_params);
ASSERT_EQ((uint32_t)48000, parsed_opus_params.maxplaybackrate);
ASSERT_EQ((uint32_t)1, parsed_opus_params.stereo);
ASSERT_EQ((uint32_t)0, parsed_opus_params.useInBandFec);
ASSERT_EQ((uint32_t)0, parsed_opus_params.maxAverageBitrate);
ASSERT_EQ((uint32_t)0, parsed_opus_params.useDTX);
ASSERT_EQ((uint32_t)0, parsed_opus_params.useCbr);
ASSERT_EQ((uint32_t)0, parsed_opus_params.frameSizeMs);
ASSERT_EQ((uint32_t)0, parsed_opus_params.minFrameSizeMs);
ASSERT_EQ((uint32_t)0, parsed_opus_params.maxFrameSizeMs);
// dtmf
const SdpFmtpAttributeList::Parameters* dtmf_params =
audio_section.FindFmtp("101");
ASSERT_TRUE(dtmf_params);
ASSERT_EQ(SdpRtpmapAttributeList::kTelephoneEvent, dtmf_params->codec_type);
auto& parsed_dtmf_params =
*static_cast<const SdpFmtpAttributeList::TelephoneEventParameters*>(
dtmf_params);
ASSERT_EQ("0-15", parsed_dtmf_params.dtmfTones);
}
TEST_F(JsepSessionTest, ValidateNoFmtpLineForRedInOfferAndAnswer) {
types.push_back(SdpMediaSection::kAudio);
types.push_back(SdpMediaSection::kVideo);
AddTracksToStream(*mSessionOff, "offerer_stream", "audio,video");
std::string offer = CreateOffer();
SetLocalOffer(offer);
SetRemoteOffer(offer);
AddTracksToStream(*mSessionAns, "answerer_stream", "audio,video");
std::string answer = CreateAnswer();
// because parsing will throw out the malformed fmtp, make sure it is not
// in the answer sdp string
ASSERT_EQ(std::string::npos, answer.find("a=fmtp:122"));
UniquePtr<Sdp> outputSdp(Parse(answer));
ASSERT_TRUE(!!outputSdp);
ASSERT_EQ(2U, outputSdp->GetMediaSectionCount());
auto& video_section = outputSdp->GetMediaSection(1);
ASSERT_EQ(SdpMediaSection::kVideo, video_section.GetMediaType());
auto& video_attrs = video_section.GetAttributeList();
ASSERT_EQ(SdpDirectionAttribute::kSendrecv, video_attrs.GetDirection());
ASSERT_EQ(15U, video_section.GetFormats().size());
ASSERT_EQ("120", video_section.GetFormats()[0]);
ASSERT_EQ("124", video_section.GetFormats()[1]);
ASSERT_EQ("121", video_section.GetFormats()[2]);
ASSERT_EQ("125", video_section.GetFormats()[3]);
ASSERT_EQ("126", video_section.GetFormats()[4]);
ASSERT_EQ("127", video_section.GetFormats()[5]);
ASSERT_EQ("97", video_section.GetFormats()[6]);
ASSERT_EQ("98", video_section.GetFormats()[7]);
ASSERT_EQ("105", video_section.GetFormats()[8]);
ASSERT_EQ("106", video_section.GetFormats()[9]);
ASSERT_EQ("103", video_section.GetFormats()[10]);
ASSERT_EQ("104", video_section.GetFormats()[11]);
ASSERT_EQ("123", video_section.GetFormats()[12]);
ASSERT_EQ("122", video_section.GetFormats()[13]);
ASSERT_EQ("119", video_section.GetFormats()[14]);
// Validate rtpmap
ASSERT_TRUE(video_attrs.HasAttribute(SdpAttribute::kRtpmapAttribute));
auto& rtpmaps = video_attrs.GetRtpmap();
ASSERT_TRUE(rtpmaps.HasEntry("120"));
ASSERT_TRUE(rtpmaps.HasEntry("124"));
ASSERT_TRUE(rtpmaps.HasEntry("121"));
ASSERT_TRUE(rtpmaps.HasEntry("125"));
ASSERT_TRUE(rtpmaps.HasEntry("126"));
ASSERT_TRUE(rtpmaps.HasEntry("127"));
ASSERT_TRUE(rtpmaps.HasEntry("97"));
ASSERT_TRUE(rtpmaps.HasEntry("98"));
ASSERT_TRUE(rtpmaps.HasEntry("105"));
ASSERT_TRUE(rtpmaps.HasEntry("106"));
ASSERT_TRUE(rtpmaps.HasEntry("103"));
ASSERT_TRUE(rtpmaps.HasEntry("104"));
ASSERT_TRUE(rtpmaps.HasEntry("123"));
ASSERT_TRUE(rtpmaps.HasEntry("122"));
ASSERT_TRUE(rtpmaps.HasEntry("119"));
// Validate fmtps
ASSERT_TRUE(video_attrs.HasAttribute(SdpAttribute::kFmtpAttribute));
auto& fmtps = video_attrs.GetFmtp().mFmtps;
ASSERT_EQ(13U, fmtps.size());
ASSERT_EQ("126", fmtps[0].format);
ASSERT_EQ("97", fmtps[1].format);
ASSERT_EQ("105", fmtps[2].format);
ASSERT_EQ("103", fmtps[3].format);
ASSERT_EQ("120", fmtps[4].format);
ASSERT_EQ("124", fmtps[5].format);
ASSERT_EQ("121", fmtps[6].format);
ASSERT_EQ("125", fmtps[7].format);
ASSERT_EQ("127", fmtps[8].format);
ASSERT_EQ("98", fmtps[9].format);
ASSERT_EQ("106", fmtps[10].format);
ASSERT_EQ("104", fmtps[11].format);
ASSERT_EQ("119", fmtps[12].format);
SetLocalAnswer(answer);
SetRemoteAnswer(answer);
auto offerTransceivers = GetTransceivers(*mSessionOff);
ASSERT_EQ(2U, offerTransceivers.size());
ASSERT_FALSE(IsNull(offerTransceivers[1].mSendTrack));
ASSERT_FALSE(IsNull(offerTransceivers[1].mRecvTrack));
ASSERT_TRUE(offerTransceivers[1].mSendTrack.GetNegotiatedDetails());
ASSERT_TRUE(offerTransceivers[1].mRecvTrack.GetNegotiatedDetails());
ASSERT_EQ(8U, offerTransceivers[1]
.mSendTrack.GetNegotiatedDetails()
->GetEncoding(0)
.GetCodecs()
.size());
ASSERT_EQ(8U, offerTransceivers[1]
.mRecvTrack.GetNegotiatedDetails()
->GetEncoding(0)
.GetCodecs()
.size());
auto answerTransceivers = GetTransceivers(*mSessionAns);
ASSERT_EQ(2U, answerTransceivers.size());
ASSERT_FALSE(IsNull(answerTransceivers[1].mSendTrack));
ASSERT_FALSE(IsNull(answerTransceivers[1].mRecvTrack));
ASSERT_TRUE(answerTransceivers[1].mSendTrack.GetNegotiatedDetails());
ASSERT_TRUE(answerTransceivers[1].mRecvTrack.GetNegotiatedDetails());
ASSERT_EQ(8U, answerTransceivers[1]
.mSendTrack.GetNegotiatedDetails()
->GetEncoding(0)
.GetCodecs()
.size());
ASSERT_EQ(8U, answerTransceivers[1]
.mRecvTrack.GetNegotiatedDetails()
->GetEncoding(0)
.GetCodecs()
.size());
}
TEST_F(JsepSessionTest, OfferWithBundleGroupNoTags) {
AddTracks(*mSessionOff, "audio,video");
AddTracks(*mSessionAns, "audio,video");
std::string offer = CreateOffer();
size_t i = offer.find("a=group:BUNDLE");
offer.insert(i, "a=group:BUNDLE\r\n");
SetLocalOffer(offer, CHECK_SUCCESS);
SetRemoteOffer(offer, CHECK_SUCCESS);
std::string answer(CreateAnswer());
}
static void Replace(const std::string& toReplace, const std::string& with,
std::string* in) {
size_t pos = in->find(toReplace);
ASSERT_NE(std::string::npos, pos);
in->replace(pos, toReplace.size(), with);
}
static void ReplaceAll(const std::string& toReplace, const std::string& with,
std::string* in) {
while (in->find(toReplace) != std::string::npos) {
Replace(toReplace, with, in);
}
}
static void GetCodec(JsepSession& session, size_t transceiverIndex,
sdp::Direction direction, size_t encodingIndex,
size_t codecIndex,
UniquePtr<JsepCodecDescription>* codecOut) {
codecOut->reset();
ASSERT_LT(transceiverIndex, JsepSessionTest::GetTransceivers(session).size());
JsepTransceiver transceiver(
JsepSessionTest::GetTransceivers(session)[transceiverIndex]);
JsepTrack& track = (direction == sdp::kSend) ? transceiver.mSendTrack
: transceiver.mRecvTrack;
ASSERT_TRUE(track.GetNegotiatedDetails());
ASSERT_LT(encodingIndex, track.GetNegotiatedDetails()->GetEncodingCount());
ASSERT_LT(codecIndex, track.GetNegotiatedDetails()
->GetEncoding(encodingIndex)
.GetCodecs()
.size());
codecOut->reset(track.GetNegotiatedDetails()
->GetEncoding(encodingIndex)
.GetCodecs()[codecIndex]
->Clone());
}
static void ForceH264(JsepSession& session, uint32_t profileLevelId) {
for (auto& codec : session.Codecs()) {
if (codec->mName == "H264") {
JsepVideoCodecDescription* h264 =
static_cast<JsepVideoCodecDescription*>(codec.get());
h264->mProfileLevelId = profileLevelId;
} else {
codec->mEnabled = false;
}
}
}
TEST_F(JsepSessionTest, TestH264Negotiation) {
ForceH264(*mSessionOff, 0x42e00b);
ForceH264(*mSessionAns, 0x42e01f);
AddTracks(*mSessionOff, "video");
AddTracks(*mSessionAns, "video");
std::string offer(CreateOffer());
SetLocalOffer(offer, CHECK_SUCCESS);
SetRemoteOffer(offer, CHECK_SUCCESS);
std::string answer(CreateAnswer());
SetRemoteAnswer(answer, CHECK_SUCCESS);
SetLocalAnswer(answer, CHECK_SUCCESS);
UniquePtr<JsepCodecDescription> offererSendCodec;
GetCodec(*mSessionOff, 0, sdp::kSend, 0, 0, &offererSendCodec);
ASSERT_TRUE(offererSendCodec);
ASSERT_EQ("H264", offererSendCodec->mName);
const JsepVideoCodecDescription* offererVideoSendCodec(
static_cast<const JsepVideoCodecDescription*>(offererSendCodec.get()));
ASSERT_EQ((uint32_t)0x42e01f, offererVideoSendCodec->mProfileLevelId);
UniquePtr<JsepCodecDescription> offererRecvCodec;
GetCodec(*mSessionOff, 0, sdp::kRecv, 0, 0, &offererRecvCodec);
ASSERT_EQ("H264", offererRecvCodec->mName);
const JsepVideoCodecDescription* offererVideoRecvCodec(
static_cast<const JsepVideoCodecDescription*>(offererRecvCodec.get()));
ASSERT_EQ((uint32_t)0x42e00b, offererVideoRecvCodec->mProfileLevelId);
UniquePtr<JsepCodecDescription> answererSendCodec;
GetCodec(*mSessionAns, 0, sdp::kSend, 0, 0, &answererSendCodec);
ASSERT_TRUE(answererSendCodec);
ASSERT_EQ("H264", answererSendCodec->mName);
const JsepVideoCodecDescription* answererVideoSendCodec(
static_cast<const JsepVideoCodecDescription*>(answererSendCodec.get()));
ASSERT_EQ((uint32_t)0x42e00b, answererVideoSendCodec->mProfileLevelId);
UniquePtr<JsepCodecDescription> answererRecvCodec;
GetCodec(*mSessionAns, 0, sdp::kRecv, 0, 0, &answererRecvCodec);
ASSERT_EQ("H264", answererRecvCodec->mName);
const JsepVideoCodecDescription* answererVideoRecvCodec(
static_cast<const JsepVideoCodecDescription*>(answererRecvCodec.get()));
ASSERT_EQ((uint32_t)0x42e01f, answererVideoRecvCodec->mProfileLevelId);
}
TEST_F(JsepSessionTest, TestH264NegotiationFails) {
ForceH264(*mSessionOff, 0x42000b);
ForceH264(*mSessionAns, 0x42e01f);
AddTracks(*mSessionOff, "video");
AddTracks(*mSessionAns, "video");
std::string offer(CreateOffer());
SetLocalOffer(offer, CHECK_SUCCESS);
SetRemoteOffer(offer, CHECK_SUCCESS);
std::string answer(CreateAnswer());
SetRemoteAnswer(answer, CHECK_SUCCESS);
SetLocalAnswer(answer, CHECK_SUCCESS);
ASSERT_EQ(nullptr, GetNegotiatedTransceiver(*mSessionOff, 0));
ASSERT_EQ(nullptr, GetNegotiatedTransceiver(*mSessionAns, 0));
}
TEST_F(JsepSessionTest, TestH264NegotiationOffererDefault) {
ForceH264(*mSessionOff, 0x42000d);
ForceH264(*mSessionAns, 0x42000d);
AddTracks(*mSessionOff, "video");
AddTracks(*mSessionAns, "video");
std::string offer(CreateOffer());
SetLocalOffer(offer, CHECK_SUCCESS);
Replace("profile-level-id=42000d", "some-unknown-param=0", &offer);
SetRemoteOffer(offer, CHECK_SUCCESS);
std::string answer(CreateAnswer());
SetRemoteAnswer(answer, CHECK_SUCCESS);
SetLocalAnswer(answer, CHECK_SUCCESS);
UniquePtr<JsepCodecDescription> answererSendCodec;
GetCodec(*mSessionAns, 0, sdp::kSend, 0, 0, &answererSendCodec);
ASSERT_TRUE(answererSendCodec);
ASSERT_EQ("H264", answererSendCodec->mName);
const JsepVideoCodecDescription* answererVideoSendCodec(
static_cast<const JsepVideoCodecDescription*>(answererSendCodec.get()));
ASSERT_EQ((uint32_t)0x42000A, answererVideoSendCodec->mProfileLevelId);
}
TEST_F(JsepSessionTest, TestH264NegotiationOffererNoFmtp) {
ForceH264(*mSessionOff, 0x42000d);
ForceH264(*mSessionAns, 0x42001e);
AddTracks(*mSessionOff, "video");
AddTracks(*mSessionAns, "video");
std::string offer(CreateOffer());
SetLocalOffer(offer, CHECK_SUCCESS);
Replace("a=fmtp", "a=oops", &offer);
SetRemoteOffer(offer, CHECK_SUCCESS);
std::string answer(CreateAnswer());
SetRemoteAnswer(answer, CHECK_SUCCESS);
SetLocalAnswer(answer, CHECK_SUCCESS);
UniquePtr<JsepCodecDescription> answererSendCodec;
GetCodec(*mSessionAns, 0, sdp::kSend, 0, 0, &answererSendCodec);
ASSERT_TRUE(answererSendCodec);
ASSERT_EQ("H264", answererSendCodec->mName);
const JsepVideoCodecDescription* answererVideoSendCodec(
static_cast<const JsepVideoCodecDescription*>(answererSendCodec.get()));
ASSERT_EQ((uint32_t)0x42000A, answererVideoSendCodec->mProfileLevelId);
UniquePtr<JsepCodecDescription> answererRecvCodec;
GetCodec(*mSessionAns, 0, sdp::kRecv, 0, 0, &answererRecvCodec);
ASSERT_EQ("H264", answererRecvCodec->mName);
const JsepVideoCodecDescription* answererVideoRecvCodec(
static_cast<const JsepVideoCodecDescription*>(answererRecvCodec.get()));
ASSERT_EQ((uint32_t)0x42000A, answererVideoRecvCodec->mProfileLevelId);
}
TEST_F(JsepSessionTest, TestH264LevelAsymmetryDisallowedByOffererWithLowLevel) {
ForceH264(*mSessionOff, 0x42e00b);
ForceH264(*mSessionAns, 0x42e01f);
AddTracks(*mSessionOff, "video");
AddTracks(*mSessionAns, "video");
std::string offer(CreateOffer());
SetLocalOffer(offer, CHECK_SUCCESS);
Replace("level-asymmetry-allowed=1", "level-asymmetry-allowed=0", &offer);
SetRemoteOffer(offer, CHECK_SUCCESS);
std::string answer(CreateAnswer());
SetRemoteAnswer(answer, CHECK_SUCCESS);
SetLocalAnswer(answer, CHECK_SUCCESS);
// Offerer doesn't know about the shenanigans we've pulled here, so will
// behave normally, and we test the normal behavior elsewhere.
UniquePtr<JsepCodecDescription> answererSendCodec;
GetCodec(*mSessionAns, 0, sdp::kSend, 0, 0, &answererSendCodec);
ASSERT_TRUE(answererSendCodec);
ASSERT_EQ("H264", answererSendCodec->mName);
const JsepVideoCodecDescription* answererVideoSendCodec(
static_cast<const JsepVideoCodecDescription*>(answererSendCodec.get()));
ASSERT_EQ((uint32_t)0x42e00b, answererVideoSendCodec->mProfileLevelId);
UniquePtr<JsepCodecDescription> answererRecvCodec;
GetCodec(*mSessionAns, 0, sdp::kRecv, 0, 0, &answererRecvCodec);
ASSERT_EQ("H264", answererRecvCodec->mName);
const JsepVideoCodecDescription* answererVideoRecvCodec(
static_cast<const JsepVideoCodecDescription*>(answererRecvCodec.get()));
ASSERT_EQ((uint32_t)0x42e00b, answererVideoRecvCodec->mProfileLevelId);
}
TEST_F(JsepSessionTest,
TestH264LevelAsymmetryDisallowedByOffererWithHighLevel) {
ForceH264(*mSessionOff, 0x42e01f);
ForceH264(*mSessionAns, 0x42e00b);
AddTracks(*mSessionOff, "video");
AddTracks(*mSessionAns, "video");
std::string offer(CreateOffer());
SetLocalOffer(offer, CHECK_SUCCESS);
Replace("level-asymmetry-allowed=1", "level-asymmetry-allowed=0", &offer);
SetRemoteOffer(offer, CHECK_SUCCESS);
std::string answer(CreateAnswer());
SetRemoteAnswer(answer, CHECK_SUCCESS);
SetLocalAnswer(answer, CHECK_SUCCESS);
// Offerer doesn't know about the shenanigans we've pulled here, so will
// behave normally, and we test the normal behavior elsewhere.
UniquePtr<JsepCodecDescription> answererSendCodec;
GetCodec(*mSessionAns, 0, sdp::kSend, 0, 0, &answererSendCodec);
ASSERT_TRUE(answererSendCodec);
ASSERT_EQ("H264", answererSendCodec->mName);
const JsepVideoCodecDescription* answererVideoSendCodec(
static_cast<const JsepVideoCodecDescription*>(answererSendCodec.get()));
ASSERT_EQ((uint32_t)0x42e00b, answererVideoSendCodec->mProfileLevelId);
UniquePtr<JsepCodecDescription> answererRecvCodec;
GetCodec(*mSessionAns, 0, sdp::kRecv, 0, 0, &answererRecvCodec);
ASSERT_EQ("H264", answererRecvCodec->mName);
const JsepVideoCodecDescription* answererVideoRecvCodec(
static_cast<const JsepVideoCodecDescription*>(answererRecvCodec.get()));
ASSERT_EQ((uint32_t)0x42e00b, answererVideoRecvCodec->mProfileLevelId);
}
TEST_F(JsepSessionTest,
TestH264LevelAsymmetryDisallowedByAnswererWithLowLevel) {
ForceH264(*mSessionOff, 0x42e01f);
ForceH264(*mSessionAns, 0x42e00b);
AddTracks(*mSessionOff, "video");
AddTracks(*mSessionAns, "video");
std::string offer(CreateOffer());
SetLocalOffer(offer, CHECK_SUCCESS);
SetRemoteOffer(offer, CHECK_SUCCESS);
std::string answer(CreateAnswer());
Replace("level-asymmetry-allowed=1", "level-asymmetry-allowed=0", &answer);
SetRemoteAnswer(answer, CHECK_SUCCESS);
SetLocalAnswer(answer, CHECK_SUCCESS);
UniquePtr<JsepCodecDescription> offererSendCodec;
GetCodec(*mSessionOff, 0, sdp::kSend, 0, 0, &offererSendCodec);
ASSERT_TRUE(offererSendCodec);
ASSERT_EQ("H264", offererSendCodec->mName);
const JsepVideoCodecDescription* offererVideoSendCodec(
static_cast<const JsepVideoCodecDescription*>(offererSendCodec.get()));
ASSERT_EQ((uint32_t)0x42e00b, offererVideoSendCodec->mProfileLevelId);
UniquePtr<JsepCodecDescription> offererRecvCodec;
GetCodec(*mSessionOff, 0, sdp::kRecv, 0, 0, &offererRecvCodec);
ASSERT_EQ("H264", offererRecvCodec->mName);
const JsepVideoCodecDescription* offererVideoRecvCodec(
static_cast<const JsepVideoCodecDescription*>(offererRecvCodec.get()));
ASSERT_EQ((uint32_t)0x42e00b, offererVideoRecvCodec->mProfileLevelId);
// Answerer doesn't know we've pulled these shenanigans, it should act as if
// it did not set level-asymmetry-required, and we already check that
// elsewhere
}
TEST_F(JsepSessionTest,
TestH264LevelAsymmetryDisallowedByAnswererWithHighLevel) {
ForceH264(*mSessionOff, 0x42e00b);
ForceH264(*mSessionAns, 0x42e01f);
AddTracks(*mSessionOff, "video");
AddTracks(*mSessionAns, "video");
std::string offer(CreateOffer());
SetLocalOffer(offer, CHECK_SUCCESS);
SetRemoteOffer(offer, CHECK_SUCCESS);
std::string answer(CreateAnswer());
Replace("level-asymmetry-allowed=1", "level-asymmetry-allowed=0", &answer);
SetRemoteAnswer(answer, CHECK_SUCCESS);
SetLocalAnswer(answer, CHECK_SUCCESS);
UniquePtr<JsepCodecDescription> offererSendCodec;
GetCodec(*mSessionOff, 0, sdp::kSend, 0, 0, &offererSendCodec);
ASSERT_TRUE(offererSendCodec);
ASSERT_EQ("H264", offererSendCodec->mName);
const JsepVideoCodecDescription* offererVideoSendCodec(
static_cast<const JsepVideoCodecDescription*>(offererSendCodec.get()));
ASSERT_EQ((uint32_t)0x42e00b, offererVideoSendCodec->mProfileLevelId);
UniquePtr<JsepCodecDescription> offererRecvCodec;
GetCodec(*mSessionOff, 0, sdp::kRecv, 0, 0, &offererRecvCodec);
ASSERT_EQ("H264", offererRecvCodec->mName);
const JsepVideoCodecDescription* offererVideoRecvCodec(
static_cast<const JsepVideoCodecDescription*>(offererRecvCodec.get()));
ASSERT_EQ((uint32_t)0x42e00b, offererVideoRecvCodec->mProfileLevelId);
// Answerer doesn't know we've pulled these shenanigans, it should act as if
// it did not set level-asymmetry-required, and we already check that
// elsewhere
}
TEST_P(JsepSessionTest, TestRejectMline) {
// We need to do this before adding tracks
types = BuildTypes(GetParam());
SdpMediaSection::MediaType type = types.front();
switch (type) {
case SdpMediaSection::kAudio:
// Sabotage audio
EnsureNegotiationFailure(types.front(), "opus");
break;
case SdpMediaSection::kVideo:
// Sabotage video
EnsureNegotiationFailure(types.front(), "H264");
break;
case SdpMediaSection::kApplication:
// Sabotage datachannel
EnsureNegotiationFailure(types.front(), "webrtc-datachannel");
break;
default:
ASSERT_TRUE(false)
<< "Unknown media type";
}
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
std::string offer = CreateOffer();
mSessionOff->SetLocalDescription(kJsepSdpOffer, offer);
mSessionAns->SetRemoteDescription(kJsepSdpOffer, offer);
std::string answer = CreateAnswer();
UniquePtr<Sdp> outputSdp(Parse(answer));
ASSERT_TRUE(!!outputSdp);
ASSERT_NE(0U, outputSdp->GetMediaSectionCount());
SdpMediaSection* failed_section = nullptr;
for (size_t i = 0; i < outputSdp->GetMediaSectionCount(); ++i) {
if (outputSdp->GetMediaSection(i).GetMediaType() == type) {
failed_section = &outputSdp->GetMediaSection(i);
}
}
ASSERT_TRUE(failed_section)
<< "Failed type was entirely absent from SDP";
auto& failed_attrs = failed_section->GetAttributeList();
ASSERT_EQ(SdpDirectionAttribute::kInactive, failed_attrs.GetDirection());
ASSERT_EQ(0U, failed_section->GetPort());
mSessionAns->SetLocalDescription(kJsepSdpAnswer, answer);
mSessionOff->SetRemoteDescription(kJsepSdpAnswer, answer);
size_t numRejected = std::count(types.begin(), types.end(), type);
size_t numAccepted = types.size() - numRejected;
if (type == SdpMediaSection::MediaType::kApplication) {
ASSERT_TRUE(GetDatachannelTransceiver(*mSessionOff));
ASSERT_FALSE(
GetDatachannelTransceiver(*mSessionOff)->mRecvTrack.GetActive());
ASSERT_TRUE(GetDatachannelTransceiver(*mSessionAns));
ASSERT_FALSE(
GetDatachannelTransceiver(*mSessionAns)->mRecvTrack.GetActive());
} else {
ASSERT_EQ(types.size(), GetLocalTracks(*mSessionOff).size());
ASSERT_EQ(numAccepted, GetRemoteTracks(*mSessionOff).size());
ASSERT_EQ(types.size(), GetLocalTracks(*mSessionAns).size());
ASSERT_EQ(types.size(), GetRemoteTracks(*mSessionAns).size());
}
}
TEST_F(JsepSessionTest, NegotiationNoMlines) { OfferAnswer(); }
TEST_F(JsepSessionTest, TestIceLite) {
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
std::string offer = CreateOffer();
SetLocalOffer(offer, CHECK_SUCCESS);
UniquePtr<Sdp> parsedOffer(Parse(offer));
parsedOffer->GetAttributeList().SetAttribute(
new SdpFlagAttribute(SdpAttribute::kIceLiteAttribute));
std::ostringstream os;
parsedOffer->Serialize(os);
SetRemoteOffer(os.str(), CHECK_SUCCESS);
ASSERT_TRUE(mSessionAns->RemoteIsIceLite());
ASSERT_FALSE(mSessionOff->RemoteIsIceLite());
}
TEST_F(JsepSessionTest, TestIceOptions) {
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
std::string offer = CreateOffer();
SetLocalOffer(offer, CHECK_SUCCESS);
SetRemoteOffer(offer, CHECK_SUCCESS);
std::string answer = CreateAnswer();
SetLocalAnswer(answer, CHECK_SUCCESS);
SetRemoteAnswer(answer, CHECK_SUCCESS);
ASSERT_EQ(1U, mSessionOff->GetIceOptions().size());
ASSERT_EQ("trickle", mSessionOff->GetIceOptions()[0]);
ASSERT_EQ(1U, mSessionAns->GetIceOptions().size());
ASSERT_EQ("trickle", mSessionAns->GetIceOptions()[0]);
}
TEST_F(JsepSessionTest, TestIceRestart) {
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
std::string offer = CreateOffer();
SetLocalOffer(offer, CHECK_SUCCESS);
SetRemoteOffer(offer, CHECK_SUCCESS);
std::string answer = CreateAnswer();
SetLocalAnswer(answer, CHECK_SUCCESS);
SetRemoteAnswer(answer, CHECK_SUCCESS);
JsepOfferOptions options;
options.mIceRestart = Some(true);
std::string reoffer = CreateOffer(Some(options));
SetLocalOffer(reoffer, CHECK_SUCCESS);
SetRemoteOffer(reoffer, CHECK_SUCCESS);
std::string reanswer = CreateAnswer();
SetLocalAnswer(reanswer, CHECK_SUCCESS);
SetRemoteAnswer(reanswer, CHECK_SUCCESS);
UniquePtr<Sdp> parsedOffer(Parse(offer));
ASSERT_EQ(1U, parsedOffer->GetMediaSectionCount());
UniquePtr<Sdp> parsedReoffer(Parse(reoffer));
ASSERT_EQ(1U, parsedReoffer->GetMediaSectionCount());
UniquePtr<Sdp> parsedAnswer(Parse(answer));
ASSERT_EQ(1U, parsedAnswer->GetMediaSectionCount());
UniquePtr<Sdp> parsedReanswer(Parse(reanswer));
ASSERT_EQ(1U, parsedReanswer->GetMediaSectionCount());
// verify ice pwd/ufrag are present in offer/answer and reoffer/reanswer
auto& offerMediaAttrs = parsedOffer->GetMediaSection(0).GetAttributeList();
ASSERT_TRUE(offerMediaAttrs.HasAttribute(SdpAttribute::kIcePwdAttribute));
ASSERT_TRUE(offerMediaAttrs.HasAttribute(SdpAttribute::kIceUfragAttribute));
auto& reofferMediaAttrs =
parsedReoffer->GetMediaSection(0).GetAttributeList();
ASSERT_TRUE(reofferMediaAttrs.HasAttribute(SdpAttribute::kIcePwdAttribute));
ASSERT_TRUE(reofferMediaAttrs.HasAttribute(SdpAttribute::kIceUfragAttribute));
auto& answerMediaAttrs = parsedAnswer->GetMediaSection(0).GetAttributeList();
ASSERT_TRUE(answerMediaAttrs.HasAttribute(SdpAttribute::kIcePwdAttribute));
ASSERT_TRUE(answerMediaAttrs.HasAttribute(SdpAttribute::kIceUfragAttribute));
auto& reanswerMediaAttrs =
parsedReanswer->GetMediaSection(0).GetAttributeList();
ASSERT_TRUE(reanswerMediaAttrs.HasAttribute(SdpAttribute::kIcePwdAttribute));
ASSERT_TRUE(
reanswerMediaAttrs.HasAttribute(SdpAttribute::kIceUfragAttribute));
// make sure offer/reoffer ice pwd/ufrag changed on ice restart
ASSERT_NE(offerMediaAttrs.GetIcePwd().c_str(),
reofferMediaAttrs.GetIcePwd().c_str());
ASSERT_NE(offerMediaAttrs.GetIceUfrag().c_str(),
reofferMediaAttrs.GetIceUfrag().c_str());
// make sure answer/reanswer ice pwd/ufrag changed on ice restart
ASSERT_NE(answerMediaAttrs.GetIcePwd().c_str(),
reanswerMediaAttrs.GetIcePwd().c_str());
ASSERT_NE(answerMediaAttrs.GetIceUfrag().c_str(),
reanswerMediaAttrs.GetIceUfrag().c_str());
auto offererTransceivers = GetTransceivers(*mSessionOff);
auto answererTransceivers = GetTransceivers(*mSessionAns);
ASSERT_EQ(reofferMediaAttrs.GetIceUfrag(),
offererTransceivers[0].mTransport.mLocalUfrag);
ASSERT_EQ(reofferMediaAttrs.GetIceUfrag(),
answererTransceivers[0].mTransport.mIce->GetUfrag());
ASSERT_EQ(reofferMediaAttrs.GetIcePwd(),
offererTransceivers[0].mTransport.mLocalPwd);
ASSERT_EQ(reofferMediaAttrs.GetIcePwd(),
answererTransceivers[0].mTransport.mIce->GetPassword());
ASSERT_EQ(reanswerMediaAttrs.GetIceUfrag(),
answererTransceivers[0].mTransport.mLocalUfrag);
ASSERT_EQ(reanswerMediaAttrs.GetIceUfrag(),
offererTransceivers[0].mTransport.mIce->GetUfrag());
ASSERT_EQ(reanswerMediaAttrs.GetIcePwd(),
answererTransceivers[0].mTransport.mLocalPwd);
ASSERT_EQ(reanswerMediaAttrs.GetIcePwd(),
offererTransceivers[0].mTransport.mIce->GetPassword());
}
TEST_F(JsepSessionTest, TestAnswererIndicatingIceRestart) {
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
std::string offer = CreateOffer();
SetLocalOffer(offer, CHECK_SUCCESS);
SetRemoteOffer(offer, CHECK_SUCCESS);
std::string answer = CreateAnswer();
SetLocalAnswer(answer, CHECK_SUCCESS);
SetRemoteAnswer(answer, CHECK_SUCCESS);
// reoffer, but we'll improperly indicate an ice restart in the answer by
// modifying the ice pwd and ufrag
std::string reoffer = CreateOffer();
SetLocalOffer(reoffer, CHECK_SUCCESS);
SetRemoteOffer(reoffer, CHECK_SUCCESS);
std::string reanswer = CreateAnswer();
// change the ice pwd and ufrag
ReplaceInSdp(&reanswer, "a=ice-ufrag:", "a=ice-ufrag:bad-");
ReplaceInSdp(&reanswer, "a=ice-pwd:", "a=ice-pwd:bad-");
SetLocalAnswer(reanswer, CHECK_SUCCESS);
JsepSession::Result result =
mSessionOff->SetRemoteDescription(kJsepSdpAnswer, reanswer);
ASSERT_EQ(dom::PCError::InvalidAccessError, *result.mError);
}
TEST_F(JsepSessionTest, TestExtmap) {
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
// ssrc-audio-level will be extmap 1 for both
// csrc-audio-level will be 2 for both
// mid will be 3 for both
// video related extensions take 4 - 7
mSessionOff->AddAudioRtpExtension("foo"); // Default mapping of 8
mSessionOff->AddAudioRtpExtension("bar"); // Default mapping of 9
mSessionAns->AddAudioRtpExtension("bar"); // Default mapping of 8
std::string offer = CreateOffer();
SetLocalOffer(offer, CHECK_SUCCESS);
SetRemoteOffer(offer, CHECK_SUCCESS);
std::string answer = CreateAnswer();
SetLocalAnswer(answer, CHECK_SUCCESS);
SetRemoteAnswer(answer, CHECK_SUCCESS);
UniquePtr<Sdp> parsedOffer(Parse(offer));
ASSERT_EQ(1U, parsedOffer->GetMediaSectionCount());
auto& offerMediaAttrs = parsedOffer->GetMediaSection(0).GetAttributeList();
ASSERT_TRUE(offerMediaAttrs.HasAttribute(SdpAttribute::kExtmapAttribute));
auto& offerExtmap = offerMediaAttrs.GetExtmap().mExtmaps;
ASSERT_EQ(5U, offerExtmap.size());
ASSERT_EQ("urn:ietf:params:rtp-hdrext:ssrc-audio-level",
offerExtmap[0].extensionname);
ASSERT_EQ(1U, offerExtmap[0].entry);
ASSERT_EQ("urn:ietf:params:rtp-hdrext:csrc-audio-level",
offerExtmap[1].extensionname);
ASSERT_EQ(2U, offerExtmap[1].entry);
ASSERT_EQ("urn:ietf:params:rtp-hdrext:sdes:mid",
offerExtmap[2].extensionname);
ASSERT_EQ(3U, offerExtmap[2].entry);
ASSERT_EQ("foo", offerExtmap[3].extensionname);
ASSERT_EQ(8U, offerExtmap[3].entry);
ASSERT_EQ("bar", offerExtmap[4].extensionname);
ASSERT_EQ(9U, offerExtmap[4].entry);
UniquePtr<Sdp> parsedAnswer(Parse(answer));
ASSERT_EQ(1U, parsedAnswer->GetMediaSectionCount());
auto& answerMediaAttrs = parsedAnswer->GetMediaSection(0).GetAttributeList();
ASSERT_TRUE(answerMediaAttrs.HasAttribute(SdpAttribute::kExtmapAttribute));
auto& answerExtmap = answerMediaAttrs.GetExtmap().mExtmaps;
ASSERT_EQ(3U, answerExtmap.size());
ASSERT_EQ("urn:ietf:params:rtp-hdrext:ssrc-audio-level",
answerExtmap[0].extensionname);
ASSERT_EQ(1U, answerExtmap[0].entry);
ASSERT_EQ("urn:ietf:params:rtp-hdrext:sdes:mid",
answerExtmap[1].extensionname);
ASSERT_EQ(3U, answerExtmap[1].entry);
// We ensure that the entry for "bar" matches what was in the offer
ASSERT_EQ("bar", answerExtmap[2].extensionname);
ASSERT_EQ(9U, answerExtmap[2].entry);
}
TEST_F(JsepSessionTest, TestExtmapDefaults) {
types.push_back(SdpMediaSection::kAudio);
types.push_back(SdpMediaSection::kVideo);
AddTracks(*mSessionOff, "audio,video");
std::string offer = CreateOffer();
SetLocalOffer(offer, CHECK_SUCCESS);
SetRemoteOffer(offer, CHECK_SUCCESS);
std::string answer = CreateAnswer();
SetLocalAnswer(answer, CHECK_SUCCESS);
SetRemoteAnswer(answer, CHECK_SUCCESS);
UniquePtr<Sdp> parsedOffer(Parse(offer));
ASSERT_EQ(2U, parsedOffer->GetMediaSectionCount());
auto& offerAudioMediaAttrs =
parsedOffer->GetMediaSection(0).GetAttributeList();
ASSERT_TRUE(
offerAudioMediaAttrs.HasAttribute(SdpAttribute::kExtmapAttribute));
auto& offerAudioExtmap = offerAudioMediaAttrs.GetExtmap().mExtmaps;
ASSERT_EQ(3U, offerAudioExtmap.size());
ASSERT_EQ("urn:ietf:params:rtp-hdrext:ssrc-audio-level",
offerAudioExtmap[0].extensionname);
ASSERT_EQ(1U, offerAudioExtmap[0].entry);
ASSERT_EQ("urn:ietf:params:rtp-hdrext:csrc-audio-level",
offerAudioExtmap[1].extensionname);
ASSERT_EQ(2U, offerAudioExtmap[1].entry);
ASSERT_EQ("urn:ietf:params:rtp-hdrext:sdes:mid",
offerAudioExtmap[2].extensionname);
auto& offerVideoMediaAttrs =
parsedOffer->GetMediaSection(1).GetAttributeList();
ASSERT_TRUE(
offerVideoMediaAttrs.HasAttribute(SdpAttribute::kExtmapAttribute));
auto& offerVideoExtmap = offerVideoMediaAttrs.GetExtmap().mExtmaps;
ASSERT_EQ(5U, offerVideoExtmap.size());
ASSERT_EQ(3U, offerVideoExtmap[0].entry);
ASSERT_EQ("urn:ietf:params:rtp-hdrext:sdes:mid",
offerVideoExtmap[0].extensionname);
offerVideoExtmap[1].extensionname);
ASSERT_EQ(4U, offerVideoExtmap[1].entry);
ASSERT_EQ("urn:ietf:params:rtp-hdrext:toffset",
offerVideoExtmap[2].extensionname);
ASSERT_EQ(5U, offerVideoExtmap[2].entry);
offerVideoExtmap[3].extensionname);
ASSERT_EQ(6U, offerVideoExtmap[3].entry);
ASSERT_EQ(
"extensions-01",
offerVideoExtmap[4].extensionname);
ASSERT_EQ(7U, offerVideoExtmap[4].entry);
UniquePtr<Sdp> parsedAnswer(Parse(answer));
ASSERT_EQ(2U, parsedAnswer->GetMediaSectionCount());
auto& answerAudioMediaAttrs =
parsedAnswer->GetMediaSection(0).GetAttributeList();
ASSERT_TRUE(
answerAudioMediaAttrs.HasAttribute(SdpAttribute::kExtmapAttribute));
auto& answerAudioExtmap = answerAudioMediaAttrs.GetExtmap().mExtmaps;
ASSERT_EQ(2U, answerAudioExtmap.size());
ASSERT_EQ("urn:ietf:params:rtp-hdrext:ssrc-audio-level",
answerAudioExtmap[0].extensionname);
ASSERT_EQ(1U, answerAudioExtmap[0].entry);
ASSERT_EQ("urn:ietf:params:rtp-hdrext:sdes:mid",
answerAudioExtmap[1].extensionname);
ASSERT_EQ(3U, answerAudioExtmap[1].entry);
auto& answerVideoMediaAttrs =
parsedAnswer->GetMediaSection(1).GetAttributeList();
ASSERT_TRUE(
answerVideoMediaAttrs.HasAttribute(SdpAttribute::kExtmapAttribute));
auto& answerVideoExtmap = answerVideoMediaAttrs.GetExtmap().mExtmaps;
ASSERT_EQ(4U, answerVideoExtmap.size());
ASSERT_EQ(3U, answerVideoExtmap[0].entry);
ASSERT_EQ("urn:ietf:params:rtp-hdrext:sdes:mid",
answerVideoExtmap[0].extensionname);
answerVideoExtmap[1].extensionname);
ASSERT_EQ(4U, answerVideoExtmap[1].entry);
ASSERT_EQ("urn:ietf:params:rtp-hdrext:toffset",
answerVideoExtmap[2].extensionname);
ASSERT_EQ(5U, answerVideoExtmap[2].entry);
ASSERT_EQ(
"extensions-01",
answerVideoExtmap[3].extensionname);
ASSERT_EQ(7U, answerVideoExtmap[3].entry);
}
TEST_F(JsepSessionTest, TestExtmapWithDuplicates) {
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
// ssrc-audio-level will be extmap 1 for both
// csrc-audio-level will be 2 for both
// mid will be 3 for both
// video related extensions take 4 - 7
mSessionOff->AddAudioRtpExtension("foo"); // Default mapping of 8
mSessionOff->AddAudioRtpExtension("bar"); // Default mapping of 9
mSessionOff->AddAudioRtpExtension("bar"); // Should be ignored
mSessionOff->AddAudioRtpExtension("bar"); // Should be ignored
mSessionOff->AddAudioRtpExtension("baz"); // Default mapping of 10
mSessionOff->AddAudioRtpExtension("bar"); // Should be ignored
std::string offer = CreateOffer();
UniquePtr<Sdp> parsedOffer(Parse(offer));
ASSERT_EQ(1U, parsedOffer->GetMediaSectionCount());
auto& offerMediaAttrs = parsedOffer->GetMediaSection(0).GetAttributeList();
ASSERT_TRUE(offerMediaAttrs.HasAttribute(SdpAttribute::kExtmapAttribute));
auto& offerExtmap = offerMediaAttrs.GetExtmap().mExtmaps;
ASSERT_EQ(6U, offerExtmap.size());
ASSERT_EQ("urn:ietf:params:rtp-hdrext:ssrc-audio-level",
offerExtmap[0].extensionname);
ASSERT_EQ(1U, offerExtmap[0].entry);
ASSERT_EQ("urn:ietf:params:rtp-hdrext:csrc-audio-level",
offerExtmap[1].extensionname);
ASSERT_EQ(2U, offerExtmap[1].entry);
ASSERT_EQ("urn:ietf:params:rtp-hdrext:sdes:mid",
offerExtmap[2].extensionname);
ASSERT_EQ(3U, offerExtmap[2].entry);
ASSERT_EQ("foo", offerExtmap[3].extensionname);
ASSERT_EQ(8U, offerExtmap[3].entry);
ASSERT_EQ("bar", offerExtmap[4].extensionname);
ASSERT_EQ(9U, offerExtmap[4].entry);
ASSERT_EQ("baz", offerExtmap[5].extensionname);
ASSERT_EQ(10U, offerExtmap[5].entry);
}
TEST_F(JsepSessionTest, TestExtmapZeroId) {
AddTracks(*mSessionOff, "video");
AddTracks(*mSessionAns, "video");
std::string sdp =
"v=0\r\n"
"o=- 6 2 IN IP4 1r\r\n"
"t=0 0a\r\n"
"a=ice-ufrag:Xp\r\n"
"a=ice-pwd:he\r\n"
"a=setup:actpass\r\n"
"a=fingerprint:sha-256 "
"DC:FC:25:56:2B:88:77:2F:E4:FA:97:4E:2E:F1:D6:34:A6:A0:11:E2:E4:38:B3:98:"
"08:D2:F7:9D:F5:E2:C1:15\r\n"
"m=video 9 UDP/TLS/RTP/SAVPF 100\r\n"
"c=IN IP4 0\r\n"
"a=rtpmap:100 VP8/90000\r\n"
"a=extmap:0 urn:ietf:params:rtp-hdrext:toffset\r\n";
auto result = mSessionAns->SetRemoteDescription(kJsepSdpOffer, sdp);
ASSERT_TRUE(result.mError == Some(dom::PCError::OperationError));
ASSERT_EQ(
"Description contains invalid extension id 0 on level 0 which is"
" unsupported until 2-byte rtp header extensions are supported in"
" webrtc.org",
mSessionAns->GetLastError());
}
TEST_F(JsepSessionTest, TestExtmapInvalidId) {
AddTracks(*mSessionAns, "video");
std::string sdp =
"v=0\r\n"
"o=- 6 2 IN IP4 1r\r\n"
"t=0 0a\r\n"
"a=ice-ufrag:Xp\r\n"
"a=ice-pwd:he\r\n"
"a=setup:actpass\r\n"
"a=fingerprint:sha-256 "
"DC:FC:25:56:2B:88:77:2F:E4:FA:97:4E:2E:F1:D6:34:A6:A0:11:E2:E4:38:B3:98:"
"08:D2:F7:9D:F5:E2:C1:15\r\n"
"m=video 9 UDP/TLS/RTP/SAVPF 100\r\n"
"c=IN IP4 0\r\n"
"a=rtpmap:100 VP8/90000\r\n"
"a=extmap:15 urn:ietf:params:rtp-hdrext:toffset\r\n";
auto result = mSessionAns->SetRemoteDescription(kJsepSdpOffer, sdp);
ASSERT_TRUE(result.mError == Some(dom::PCError::OperationError));
ASSERT_EQ(
"Description contains invalid extension id 15 on level 0 which is"
" unsupported until 2-byte rtp header extensions are supported in"
" webrtc.org",
mSessionAns->GetLastError());
}
TEST_F(JsepSessionTest, TestExtmapDuplicateId) {
AddTracks(*mSessionAns, "video");
std::string sdp =
"v=0\r\n"
"o=- 6 2 IN IP4 1r\r\n"
"t=0 0a\r\n"
"a=ice-ufrag:Xp\r\n"
"a=ice-pwd:he\r\n"
"a=setup:actpass\r\n"
"a=fingerprint:sha-256 "
"DC:FC:25:56:2B:88:77:2F:E4:FA:97:4E:2E:F1:D6:34:A6:A0:11:E2:E4:38:B3:98:"
"08:D2:F7:9D:F5:E2:C1:15\r\n"
"m=video 9 UDP/TLS/RTP/SAVPF 100\r\n"
"c=IN IP4 0\r\n"
"a=rtpmap:100 VP8/90000\r\n"
"a=extmap:2 urn:ietf:params:rtp-hdrext:toffset\r\n"
"a=extmap:2 "
auto result = mSessionAns->SetRemoteDescription(kJsepSdpOffer, sdp);
ASSERT_TRUE(result.mError == Some(dom::PCError::OperationError));
ASSERT_EQ("Description contains duplicate extension id 2 on level 0",
mSessionAns->GetLastError());
}
TEST_F(JsepSessionTest, TestNegotiatedExtmapStability) {
AddTracks(*mSessionAns, "audio,video");
std::string sdp =
"v=0\r\n"
"o=- 6 2 IN IP4 1r\r\n"
"t=0 0a\r\n"
"a=ice-ufrag:Xp\r\n"
"a=ice-pwd:he\r\n"
"a=setup:actpass\r\n"
"a=fingerprint:sha-256 "
"DC:FC:25:56:2B:88:77:2F:E4:FA:97:4E:2E:F1:D6:34:A6:A0:11:E2:E4:38:B3:98:"
"08:D2:F7:9D:F5:E2:C1:15\r\n"
"m=audio 9 UDP/TLS/RTP/SAVPF 111\r\n"
"c=IN IP4 51.81.107.13\r\n"
"a=sendrecv\r\n"
"a=extmap:11 urn:ietf:params:rtp-hdrext:ssrc-audio-level\r\n"
"a=fmtp:111 maxplaybackrate=48000;stereo=1;useinbandfec=1\r\n"
"a=mid:audio\r\n"
"a=rtcp-mux\r\n"
"a=rtpmap:111 opus/48000/2\r\n"
"a=setup:active\r\n"
"a=ssrc:3463672643 cname:{ec9a356a-8d2c-504e-9977-99070a51f929}\r\n"
"m=video 9 UDP/TLS/RTP/SAVPF 100\r\n"
"c=IN IP4 0\r\n"
"a=sendrecv\r\n"
"a=rtpmap:100 VP8/90000\r\n"
"a=extmap:12 urn:ietf:params:rtp-hdrext:toffset\r\n"
"a=extmap:13 "
auto result = mSessionAns->SetRemoteDescription(kJsepSdpOffer, sdp);
ASSERT_FALSE(result.mError.isSome());
auto answer = CreateAnswer();
result = mSessionAns->SetLocalDescription(kJsepSdpAnswer, answer);
ASSERT_FALSE(result.mError.isSome());
// Verify that we've negotiated the right extmap based on the unusual values
// in the offer.
auto transceivers = GetTransceivers(*mSessionAns);
ASSERT_EQ(2U, transceivers.size());
auto* audioSend = transceivers[0].mSendTrack.GetNegotiatedDetails();
auto* audioRecv = transceivers[0].mRecvTrack.GetNegotiatedDetails();
auto* videoSend = transceivers[1].mSendTrack.GetNegotiatedDetails();
auto* videoRecv = transceivers[1].mRecvTrack.GetNegotiatedDetails();
ASSERT_TRUE(audioSend);
ASSERT_TRUE(audioRecv);
ASSERT_TRUE(videoSend);
ASSERT_TRUE(videoRecv);
ASSERT_EQ(
11U,
audioSend->GetExt("urn:ietf:params:rtp-hdrext:ssrc-audio-level")->entry);
ASSERT_EQ(
11U,
audioRecv->GetExt("urn:ietf:params:rtp-hdrext:ssrc-audio-level")->entry);
ASSERT_EQ(12U,
videoSend->GetExt("urn:ietf:params:rtp-hdrext:toffset")->entry);
ASSERT_EQ(12U,
videoRecv->GetExt("urn:ietf:params:rtp-hdrext:toffset")->entry);
ASSERT_EQ(
13U,
videoSend
->entry);
ASSERT_EQ(
13U,
videoRecv
->entry);
SwapOfferAnswerRoles();
// Make sure a reoffer uses the negotiated extmap
auto reoffer = CreateOffer();
ASSERT_NE(std::string::npos, reoffer.find("a=extmap:11"));
ASSERT_NE(std::string::npos, reoffer.find("a=extmap:12"));
ASSERT_NE(std::string::npos, reoffer.find("a=extmap:13"));
}
TEST_F(JsepSessionTest, TestNegotiatedExtmapCollision) {
AddTracks(*mSessionAns, "audio");
// ssrc-audio-level will be extmap 1 for both
// csrc-audio-level will be 2 for both
// mid will be 3 for both
mSessionAns->AddAudioRtpExtension("foo");
mSessionAns->AddAudioRtpExtension("bar");
mSessionAns->AddAudioRtpExtension("baz");
// Set up an offer that uses the same extmap entries, but for different
// things, causing collisions.
std::string sdp =
"v=0\r\n"
"o=- 6 2 IN IP4 1r\r\n"
"t=0 0a\r\n"
"a=ice-ufrag:Xp\r\n"
"a=ice-pwd:he\r\n"
"a=setup:actpass\r\n"
"a=fingerprint:sha-256 "
"DC:FC:25:56:2B:88:77:2F:E4:FA:97:4E:2E:F1:D6:34:A6:A0:11:E2:E4:38:B3:98:"
"08:D2:F7:9D:F5:E2:C1:15\r\n"
"m=audio 9 UDP/TLS/RTP/SAVPF 111\r\n"
"c=IN IP4 51.81.107.13\r\n"
"a=sendrecv\r\n"
"a=extmap:1 foo\r\n"
"a=extmap:2 bar\r\n"
"a=extmap:3 baz\r\n"
"a=extmap:11 urn:ietf:params:rtp-hdrext:ssrc-audio-level\r\n"
"a=fmtp:111 maxplaybackrate=48000;stereo=1;useinbandfec=1\r\n"
"a=mid:audio\r\n"
"a=rtcp-mux\r\n"
"a=rtpmap:111 opus/48000/2\r\n"
"a=setup:active\r\n"
"a=ssrc:3463672643 cname:{ec9a356a-8d2c-504e-9977-99070a51f929}\r\n";
auto result = mSessionAns->SetRemoteDescription(kJsepSdpOffer, sdp);
ASSERT_FALSE(result.mError.isSome());
auto answer = CreateAnswer();
result = mSessionAns->SetLocalDescription(kJsepSdpAnswer, answer);
ASSERT_FALSE(result.mError.isSome());
// Verify that we've negotiated the right extmap based on the unusual values
// in the offer.
auto transceivers = GetTransceivers(*mSessionAns);
ASSERT_EQ(1U, transceivers.size());
auto* audioSend = transceivers[0].mSendTrack.GetNegotiatedDetails();
auto* audioRecv = transceivers[0].mRecvTrack.GetNegotiatedDetails();
ASSERT_TRUE(audioSend);
ASSERT_TRUE(audioRecv);
ASSERT_EQ(1U, audioSend->GetExt("foo")->entry);
ASSERT_EQ(1U, audioRecv->GetExt("foo")->entry);
ASSERT_EQ(2U, audioSend->GetExt("bar")->entry);
ASSERT_EQ(2U, audioRecv->GetExt("bar")->entry);
ASSERT_EQ(3U, audioSend->GetExt("baz")->entry);
ASSERT_EQ(3U, audioRecv->GetExt("baz")->entry);
ASSERT_EQ(
11U,
audioSend->GetExt("urn:ietf:params:rtp-hdrext:ssrc-audio-level")->entry);
ASSERT_EQ(
11U,
audioRecv->GetExt("urn:ietf:params:rtp-hdrext:ssrc-audio-level")->entry);
SwapOfferAnswerRoles();
// Make sure a reoffer uses the negotiated extmap
auto reoffer = CreateOffer();
ASSERT_NE(std::string::npos, reoffer.find("a=extmap:1 foo"));
ASSERT_NE(std::string::npos, reoffer.find("a=extmap:2 bar"));
ASSERT_NE(std::string::npos, reoffer.find("a=extmap:3 baz"));
ASSERT_NE(
std::string::npos,
reoffer.find("a=extmap:11 urn:ietf:params:rtp-hdrext:ssrc-audio-level"));
// Ensure no duplicates
ASSERT_EQ(std::string::npos,
reoffer.find("a=extmap:1 ", reoffer.find("a=extmap:1 ") + 1));
ASSERT_EQ(std::string::npos,
reoffer.find("a=extmap:2 ", reoffer.find("a=extmap:2 ") + 1));
ASSERT_EQ(std::string::npos,
reoffer.find("a=extmap:3 ", reoffer.find("a=extmap:3 ") + 1));
ASSERT_EQ(std::string::npos,
reoffer.find("a=extmap:11 ", reoffer.find("a=extmap:11 ") + 1));
}
TEST_F(JsepSessionTest, TestExtmapAnswerChangesId) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
std::string offer = CreateOffer();
SetLocalOffer(offer, ALL_CHECKS);
SetRemoteOffer(offer, ALL_CHECKS);
std::string answer = CreateAnswer();
std::string mungedAnswer =
SetExtmap(answer, "urn:ietf:params:rtp-hdrext:sdes:mid", 14);
JsepSession::Result result =
mSessionOff->SetRemoteDescription(kJsepSdpAnswer, mungedAnswer);
ASSERT_TRUE(result.mError.isSome());
ASSERT_EQ(dom::PCError::InvalidAccessError, *result.mError);
ASSERT_NE(mSessionOff->GetLastError().find(
"Answer changed id for extmap attribute at level 0"),
std::string::npos);
}
TEST_F(JsepSessionTest, TestExtmapChangeId) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
OfferAnswer();
// RFC 5285 does not seem to forbid giving a pre-existing extension a new id,
// as long as that id has never been used before
{
std::string offer = CreateOffer();
SetLocalOffer(offer, ALL_CHECKS);
uint16_t oldId = 0;
std::string mungedOffer =
SetExtmap(offer, "urn:ietf:params:rtp-hdrext:sdes:mid", 14, &oldId);
ASSERT_NE(oldId, 0);
SetRemoteOffer(mungedOffer, ALL_CHECKS);
std::string answer = CreateAnswer();
SetLocalAnswer(answer, ALL_CHECKS);
std::string mungedAnswer =
SetExtmap(answer, "urn:ietf:params:rtp-hdrext:sdes:mid", oldId);
SetRemoteAnswer(mungedAnswer, ALL_CHECKS);
}
// Make sure going back to the previous id works
OfferAnswer();
}
TEST_F(JsepSessionTest, TestExtmapSwap) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
OfferAnswer();
std::string offer = CreateOffer();
uint16_t midId = GetExtmap(offer, "urn:ietf:params:rtp-hdrext:sdes:mid");
uint16_t ssrcLevelId = 0;
std::string mungedOffer =
SetExtmap(offer, "urn:ietf:params:rtp-hdrext:ssrc-audio-level", midId,
&ssrcLevelId);
mungedOffer = SetExtmap(mungedOffer, "urn:ietf:params:rtp-hdrext:sdes:mid",
ssrcLevelId);
JsepSession::Result result =
mSessionAns->SetRemoteDescription(kJsepSdpOffer, mungedOffer);
ASSERT_TRUE(result.mError.isSome());
ASSERT_EQ(dom::PCError::InvalidAccessError, *result.mError);
ASSERT_NE(mSessionAns->GetLastError().find(
"Remote description attempted to remap RTP extension id"),
std::string::npos);
}
TEST_F(JsepSessionTest, TestExtmapReuse) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
OfferAnswer();
std::string offer = CreateOffer();
UniquePtr<Sdp> munge(Parse(offer));
ASSERT_EQ(1U, munge->GetMediaSectionCount());
auto& offerMediaAttrs = munge->GetMediaSection(0).GetAttributeList();
ASSERT_TRUE(offerMediaAttrs.HasAttribute(SdpAttribute::kExtmapAttribute));
auto offerExtmap = offerMediaAttrs.GetExtmap();
for (auto& ext : offerExtmap.mExtmaps) {
if (ext.extensionname == "urn:ietf:params:rtp-hdrext:ssrc-audio-level") {
ext.extensionname = "foo";
}
}
offerMediaAttrs.SetAttribute(offerExtmap.Clone());
std::string sdpString = munge->ToString();
JsepSession::Result result =
mSessionAns->SetRemoteDescription(kJsepSdpOffer, sdpString);
ASSERT_TRUE(result.mError.isSome());
ASSERT_EQ(dom::PCError::InvalidAccessError, *result.mError);
ASSERT_NE(mSessionAns->GetLastError().find(
"Remote description attempted to remap RTP extension id"),
std::string::npos);
}
TEST_F(JsepSessionTest, TestExtmapReuseAfterRenegotiation) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
OfferAnswer();
// Renegotiate without ssrc-audio-level
{
std::string offer = CreateOffer();
SetLocalOffer(offer, ALL_CHECKS);
// Passing 0 removes urn:ietf:params:rtp-hdrext:ssrc-audio-level
std::string mungedOffer =
SetExtmap(offer, "urn:ietf:params:rtp-hdrext:ssrc-audio-level", 0);
SetRemoteOffer(mungedOffer, ALL_CHECKS);
std::string answer = CreateAnswer();
SetLocalAnswer(answer, ALL_CHECKS);
SetRemoteAnswer(answer, ALL_CHECKS);
}
// Make sure trying to reuse the id for ssrc-audio-level fails, even though we
// did not use it last round.
{
std::string offer = CreateOffer();
UniquePtr<Sdp> munge(Parse(offer));
ASSERT_EQ(1U, munge->GetMediaSectionCount());
auto& offerMediaAttrs = munge->GetMediaSection(0).GetAttributeList();
ASSERT_TRUE(offerMediaAttrs.HasAttribute(SdpAttribute::kExtmapAttribute));
auto offerExtmap = offerMediaAttrs.GetExtmap();
for (auto& ext : offerExtmap.mExtmaps) {
if (ext.extensionname == "urn:ietf:params:rtp-hdrext:ssrc-audio-level") {
ext.extensionname = "foo";
}
}
offerMediaAttrs.SetAttribute(offerExtmap.Clone());
std::string sdpString = munge->ToString();
JsepSession::Result result =
mSessionAns->SetRemoteDescription(kJsepSdpOffer, sdpString);
ASSERT_TRUE(result.mError.isSome());
ASSERT_EQ(dom::PCError::InvalidAccessError, *result.mError);
ASSERT_NE(mSessionAns->GetLastError().find(
"Remote description attempted to remap RTP extension id"),
std::string::npos);
}
}
TEST_F(JsepSessionTest, TestRtcpFbStar) {
AddTracks(*mSessionOff, "video");
AddTracks(*mSessionAns, "video");
std::string offer = CreateOffer();
UniquePtr<Sdp> parsedOffer(Parse(offer));
auto* rtcpfbs = new SdpRtcpFbAttributeList;
rtcpfbs->PushEntry("*", SdpRtcpFbAttributeList::kNack);
parsedOffer->GetMediaSection(0).GetAttributeList().SetAttribute(rtcpfbs);
offer = parsedOffer->ToString();
SetLocalOffer(offer, CHECK_SUCCESS);
SetRemoteOffer(offer, CHECK_SUCCESS);
std::string answer = CreateAnswer();
SetLocalAnswer(answer, CHECK_SUCCESS);
SetRemoteAnswer(answer, CHECK_SUCCESS);
ASSERT_EQ(1U, GetRemoteTracks(*mSessionAns).size());
JsepTrack track = GetRemoteTracks(*mSessionAns)[0];
ASSERT_TRUE(track.GetNegotiatedDetails());
auto* details = track.GetNegotiatedDetails();
for (const auto& codec : details->GetEncoding(0).GetCodecs()) {
const JsepVideoCodecDescription* videoCodec =
static_cast<const JsepVideoCodecDescription*>(codec.get());
ASSERT_EQ(1U, videoCodec->mNackFbTypes.size());
ASSERT_EQ("", videoCodec->mNackFbTypes[0]);
}
}
TEST_F(JsepSessionTest, TestUniqueReceivePayloadTypes) {
// The audio payload types will all appear more than once.
// For the offerer, only one video m-section will be receiving, so those
// video payload types will be unique.
// On the other hand, the answerer will have two video m-sections receiving,
// so those _won't_ be unique.
AddTracks(*mSessionOff, "audio,audio,video,video");
AddTracks(*mSessionAns, "audio,audio,video");
std::string offer = CreateOffer();
SetLocalOffer(offer, CHECK_SUCCESS);
SetRemoteOffer(offer, CHECK_SUCCESS);
std::string answer = CreateAnswer();
SetLocalAnswer(answer, CHECK_SUCCESS);
SetRemoteAnswer(answer, CHECK_SUCCESS);
auto offerTransceivers = GetTransceivers(*mSessionOff);
auto answerTransceivers = GetTransceivers(*mSessionAns);
ASSERT_EQ(4U, offerTransceivers.size());
ASSERT_EQ(4U, answerTransceivers.size());
ASSERT_FALSE(IsNull(offerTransceivers[0].mRecvTrack));
ASSERT_TRUE(offerTransceivers[0].mRecvTrack.GetNegotiatedDetails());
ASSERT_EQ(0U, offerTransceivers[0]
.mRecvTrack.GetNegotiatedDetails()
->GetUniqueReceivePayloadTypes()
.size());
ASSERT_FALSE(IsNull(offerTransceivers[1].mRecvTrack));
ASSERT_TRUE(offerTransceivers[1].mRecvTrack.GetNegotiatedDetails());
ASSERT_EQ(0U, offerTransceivers[1]
.mRecvTrack.GetNegotiatedDetails()
->GetUniqueReceivePayloadTypes()
.size());
// First video transceiver is the only one receiving, so gets unique pts.
ASSERT_FALSE(IsNull(offerTransceivers[2].mRecvTrack));
ASSERT_TRUE(offerTransceivers[2].mRecvTrack.GetNegotiatedDetails());
ASSERT_NE(0U, offerTransceivers[2]
.mRecvTrack.GetNegotiatedDetails()
->GetUniqueReceivePayloadTypes()
.size());
// First video transceiver is not receiving, so does not get unique pts.
ASSERT_TRUE(IsNull(offerTransceivers[3].mRecvTrack));
ASSERT_TRUE(offerTransceivers[3].mRecvTrack.GetNegotiatedDetails());
ASSERT_EQ(0U, offerTransceivers[3]
.mRecvTrack.GetNegotiatedDetails()
->GetUniqueReceivePayloadTypes()
.size());
ASSERT_FALSE(IsNull(answerTransceivers[0].mRecvTrack));
ASSERT_TRUE(answerTransceivers[0].mRecvTrack.GetNegotiatedDetails());
ASSERT_EQ(0U, answerTransceivers[0]
.mRecvTrack.GetNegotiatedDetails()
->GetUniqueReceivePayloadTypes()
.size());
ASSERT_FALSE(IsNull(answerTransceivers[1].mRecvTrack));
ASSERT_TRUE(answerTransceivers[1].mRecvTrack.GetNegotiatedDetails());
ASSERT_EQ(0U, answerTransceivers[1]
.mRecvTrack.GetNegotiatedDetails()
->GetUniqueReceivePayloadTypes()
.size());
// Answerer is receiving two video streams with the same payload types.
// Neither recv track should have unique pts.
ASSERT_FALSE(IsNull(answerTransceivers[2].mRecvTrack));
ASSERT_TRUE(answerTransceivers[2].mRecvTrack.GetNegotiatedDetails());
ASSERT_EQ(0U, answerTransceivers[2]
.mRecvTrack.GetNegotiatedDetails()
->GetUniqueReceivePayloadTypes()
.size());
ASSERT_FALSE(IsNull(answerTransceivers[3].mRecvTrack));
ASSERT_TRUE(answerTransceivers[3].mRecvTrack.GetNegotiatedDetails());
ASSERT_EQ(0U, answerTransceivers[3]
.mRecvTrack.GetNegotiatedDetails()
->GetUniqueReceivePayloadTypes()
.size());
}
TEST_F(JsepSessionTest, UnknownFingerprintAlgorithm) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
std::string offer(CreateOffer());
SetLocalOffer(offer);
ReplaceAll("fingerprint:sha", "fingerprint:foo", &offer);
JsepSession::Result result =
mSessionAns->SetRemoteDescription(kJsepSdpOffer, offer);
ASSERT_EQ(dom::PCError::InvalidAccessError, *result.mError);
ASSERT_NE("", mSessionAns->GetLastError());
}
TEST(H264ProfileLevelIdTest, TestLevelComparisons)
{
ASSERT_LT(JsepVideoCodecDescription::GetSaneH264Level(0x421D0B), // 1b
JsepVideoCodecDescription::GetSaneH264Level(0x420D0B)); // 1.1
ASSERT_LT(JsepVideoCodecDescription::GetSaneH264Level(0x420D0A), // 1.0
JsepVideoCodecDescription::GetSaneH264Level(0x421D0B)); // 1b
ASSERT_LT(JsepVideoCodecDescription::GetSaneH264Level(0x420D0A), // 1.0
JsepVideoCodecDescription::GetSaneH264Level(0x420D0B)); // 1.1
ASSERT_LT(JsepVideoCodecDescription::GetSaneH264Level(0x640009), // 1b
JsepVideoCodecDescription::GetSaneH264Level(0x64000B)); // 1.1
ASSERT_LT(JsepVideoCodecDescription::GetSaneH264Level(0x64000A), // 1.0
JsepVideoCodecDescription::GetSaneH264Level(0x640009)); // 1b
ASSERT_LT(JsepVideoCodecDescription::GetSaneH264Level(0x64000A), // 1.0
JsepVideoCodecDescription::GetSaneH264Level(0x64000B)); // 1.1
}
TEST(H264ProfileLevelIdTest, TestLevelSetting)
{
uint32_t profileLevelId = 0x420D0A;
JsepVideoCodecDescription::SetSaneH264Level(
JsepVideoCodecDescription::GetSaneH264Level(0x42100B), &profileLevelId);
ASSERT_EQ((uint32_t)0x421D0B, profileLevelId);
JsepVideoCodecDescription::SetSaneH264Level(
JsepVideoCodecDescription::GetSaneH264Level(0x42000A), &profileLevelId);
ASSERT_EQ((uint32_t)0x420D0A, profileLevelId);
profileLevelId = 0x6E100A;
JsepVideoCodecDescription::SetSaneH264Level(
JsepVideoCodecDescription::GetSaneH264Level(0x640009), &profileLevelId);
ASSERT_EQ((uint32_t)0x6E1009, profileLevelId);
JsepVideoCodecDescription::SetSaneH264Level(
JsepVideoCodecDescription::GetSaneH264Level(0x64000B), &profileLevelId);
ASSERT_EQ((uint32_t)0x6E100B, profileLevelId);
}
TEST_F(JsepSessionTest, StronglyPreferredCodec) {
for (auto& codec : mSessionAns->Codecs()) {
if (codec->mName == "H264") {
codec->mStronglyPreferred = true;
}
}
types.push_back(SdpMediaSection::kVideo);
AddTracks(*mSessionOff, "video");
AddTracks(*mSessionAns, "video");
OfferAnswer();
UniquePtr<JsepCodecDescription> codec;
GetCodec(*mSessionAns, 0, sdp::kSend, 0, 0, &codec);
ASSERT_TRUE(codec);
ASSERT_EQ("H264", codec->mName);
GetCodec(*mSessionAns, 0, sdp::kRecv, 0, 0, &codec);
ASSERT_TRUE(codec);
ASSERT_EQ("H264", codec->mName);
}
TEST_F(JsepSessionTest, LowDynamicPayloadType) {
SetPayloadTypeNumber(*mSessionOff, "opus", "12");
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
OfferAnswer();
UniquePtr<JsepCodecDescription> codec;
GetCodec(*mSessionAns, 0, sdp::kSend, 0, 0, &codec);
ASSERT_TRUE(codec);
ASSERT_EQ("opus", codec->mName);
ASSERT_EQ("12", codec->mDefaultPt);
GetCodec(*mSessionAns, 0, sdp::kRecv, 0, 0, &codec);
ASSERT_TRUE(codec);
ASSERT_EQ("opus", codec->mName);
ASSERT_EQ("12", codec->mDefaultPt);
}
TEST_F(JsepSessionTest, TestOfferPTAsymmetry) {
SetPayloadTypeNumber(*mSessionAns, "opus", "105");
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
JsepOfferOptions options;
// Ensure that mSessionAns is appropriately configured. Also ensure that
// creating an offer with 105 does not prompt mSessionAns to ignore the
// PT in the offer.
std::string offer;
JsepSession::Result result = mSessionAns->CreateOffer(options, &offer);
ASSERT_FALSE(result.mError.isSome());
ASSERT_NE(std::string::npos, offer.find("a=rtpmap:105 opus")) << offer;
OfferAnswer();
// Answerer should use what the offerer suggested
UniquePtr<JsepCodecDescription> codec;
GetCodec(*mSessionAns, 0, sdp::kSend, 0, 0, &codec);
ASSERT_TRUE(codec);
ASSERT_EQ("opus", codec->mName);
ASSERT_EQ("109", codec->mDefaultPt);
GetCodec(*mSessionAns, 0, sdp::kRecv, 0, 0, &codec);
ASSERT_TRUE(codec);
ASSERT_EQ("opus", codec->mName);
ASSERT_EQ("109", codec->mDefaultPt);
// Answerer should not change when it reoffers
result = mSessionAns->CreateOffer(options, &offer);
ASSERT_FALSE(result.mError.isSome());
ASSERT_NE(std::string::npos, offer.find("a=rtpmap:109 opus")) << offer;
}
TEST_F(JsepSessionTest, TestAnswerPTAsymmetry) {
// JsepSessionImpl will never answer with an asymmetric payload type
// (tested in TestOfferPTAsymmetry), so we have to rewrite SDP a little.
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
std::string offer = CreateOffer();
SetLocalOffer(offer);
Replace("a=rtpmap:109 opus", "a=rtpmap:105 opus", &offer);
Replace("m=audio 9 UDP/TLS/RTP/SAVPF 109", "m=audio 9 UDP/TLS/RTP/SAVPF 105",
&offer);
ReplaceAll("a=fmtp:109", "a=fmtp:105", &offer);
SetRemoteOffer(offer);
std::string answer = CreateAnswer();
SetLocalAnswer(answer);
SetRemoteAnswer(answer);
UniquePtr<JsepCodecDescription> codec;
GetCodec(*mSessionOff, 0, sdp::kSend, 0, 0, &codec);
ASSERT_TRUE(codec);
ASSERT_EQ("opus", codec->mName);
ASSERT_EQ("105", codec->mDefaultPt);
GetCodec(*mSessionOff, 0, sdp::kRecv, 0, 0, &codec);
ASSERT_TRUE(codec);
ASSERT_EQ("opus", codec->mName);
ASSERT_EQ("109", codec->mDefaultPt);
GetCodec(*mSessionAns, 0, sdp::kSend, 0, 0, &codec);
ASSERT_TRUE(codec);
ASSERT_EQ("opus", codec->mName);
ASSERT_EQ("105", codec->mDefaultPt);
GetCodec(*mSessionAns, 0, sdp::kRecv, 0, 0, &codec);
ASSERT_TRUE(codec);
ASSERT_EQ("opus", codec->mName);
ASSERT_EQ("105", codec->mDefaultPt);
// Offerer should use 105 for reoffers
offer = CreateOffer();
ASSERT_NE(std::string::npos, offer.find("a=rtpmap:105 opus")) << offer;
ASSERT_EQ(std::string::npos, offer.find("a=rtpmap:109 opus")) << offer;
ASSERT_NE(std::string::npos, offer.find("a=fmtp:105")) << offer;
ASSERT_EQ(std::string::npos, offer.find("a=fmtp:109")) << offer;
}
TEST_F(JsepSessionTest, PayloadTypeClash) {
// Set up a scenario where mSessionAns' favorite codec (opus) is unsupported
// by mSessionOff, and mSessionOff uses that payload type for something else.
SetCodecEnabled(*mSessionOff, "opus", false);
SetPayloadTypeNumber(*mSessionOff, "opus", "0");
SetPayloadTypeNumber(*mSessionOff, "G722", "109");
SetPayloadTypeNumber(*mSessionAns, "opus", "109");
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
OfferAnswer();
UniquePtr<JsepCodecDescription> codec;
GetCodec(*mSessionAns, 0, sdp::kSend, 0, 0, &codec);
ASSERT_TRUE(codec);
ASSERT_EQ("G722", codec->mName);
ASSERT_EQ("109", codec->mDefaultPt);
GetCodec(*mSessionAns, 0, sdp::kRecv, 0, 0, &codec);
ASSERT_TRUE(codec);
ASSERT_EQ("G722", codec->mName);
ASSERT_EQ("109", codec->mDefaultPt);
// Now, make sure that mSessionAns does not put a=rtpmap:109 opus in a
// reoffer, since pt 109 is taken for PCMU (the answerer still supports opus,
// and will reoffer it, but it should choose a new payload type for it)
JsepOfferOptions options;
std::string reoffer;
JsepSession::Result result = mSessionAns->CreateOffer(options, &reoffer);
ASSERT_FALSE(result.mError.isSome());
ASSERT_EQ(std::string::npos, reoffer.find("a=rtpmap:109 opus")) << reoffer;
ASSERT_NE(std::string::npos, reoffer.find(" opus")) << reoffer;
}
TEST_P(JsepSessionTest, TestGlareRollback) {
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
JsepOfferOptions options;
std::string offer;
ASSERT_FALSE(mSessionAns->CreateOffer(options, &offer).mError.isSome());
ASSERT_FALSE(
mSessionAns->SetLocalDescription(kJsepSdpOffer, offer).mError.isSome());
ASSERT_EQ(kJsepStateHaveLocalOffer, mSessionAns->GetState());
ASSERT_FALSE(mSessionOff->CreateOffer(options, &offer).mError.isSome());
ASSERT_FALSE(
mSessionOff->SetLocalDescription(kJsepSdpOffer, offer).mError.isSome());
ASSERT_EQ(kJsepStateHaveLocalOffer, mSessionOff->GetState());
ASSERT_EQ(dom::PCError::InvalidStateError,
*mSessionAns->SetRemoteDescription(kJsepSdpOffer, offer).mError);
ASSERT_FALSE(
mSessionAns->SetLocalDescription(kJsepSdpRollback, "").mError.isSome());
ASSERT_EQ(kJsepStateStable, mSessionAns->GetState());
SetRemoteOffer(offer);
std::string answer = CreateAnswer();
SetLocalAnswer(answer);
SetRemoteAnswer(answer);
}
TEST_P(JsepSessionTest, TestRejectOfferRollback) {
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
std::string offer = CreateOffer();
SetLocalOffer(offer);
SetRemoteOffer(offer);
ASSERT_FALSE(
mSessionAns->SetRemoteDescription(kJsepSdpRollback, "").mError.isSome());
ASSERT_EQ(kJsepStateStable, mSessionAns->GetState());
for (const auto& transceiver : GetTransceivers(*mSessionAns)) {
ASSERT_EQ(0U, transceiver.mRecvTrack.GetStreamIds().size());
}
ASSERT_FALSE(
mSessionOff->SetLocalDescription(kJsepSdpRollback, "").mError.isSome());
ASSERT_EQ(kJsepStateStable, mSessionOff->GetState());
OfferAnswer();
}
TEST_P(JsepSessionTest, TestInvalidRollback) {
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
ASSERT_EQ(dom::PCError::InvalidStateError,
*mSessionOff->SetLocalDescription(kJsepSdpRollback, "").mError);
ASSERT_EQ(dom::PCError::InvalidStateError,
*mSessionOff->SetRemoteDescription(kJsepSdpRollback, "").mError);
std::string offer = CreateOffer();
ASSERT_EQ(dom::PCError::InvalidStateError,
*mSessionOff->SetLocalDescription(kJsepSdpRollback, "").mError);
ASSERT_EQ(dom::PCError::InvalidStateError,
*mSessionOff->SetRemoteDescription(kJsepSdpRollback, "").mError);
SetLocalOffer(offer);
ASSERT_EQ(dom::PCError::InvalidStateError,
*mSessionOff->SetRemoteDescription(kJsepSdpRollback, "").mError);
SetRemoteOffer(offer);
ASSERT_EQ(dom::PCError::InvalidStateError,
*mSessionAns->SetLocalDescription(kJsepSdpRollback, "").mError);
std::string answer = CreateAnswer();
ASSERT_EQ(dom::PCError::InvalidStateError,
*mSessionAns->SetLocalDescription(kJsepSdpRollback, "").mError);
SetLocalAnswer(answer);
ASSERT_EQ(dom::PCError::InvalidStateError,
*mSessionAns->SetLocalDescription(kJsepSdpRollback, "").mError);
ASSERT_EQ(dom::PCError::InvalidStateError,
*mSessionAns->SetRemoteDescription(kJsepSdpRollback, "").mError);
SetRemoteAnswer(answer);
ASSERT_EQ(dom::PCError::InvalidStateError,
*mSessionOff->SetLocalDescription(kJsepSdpRollback, "").mError);
ASSERT_EQ(dom::PCError::InvalidStateError,
*mSessionOff->SetRemoteDescription(kJsepSdpRollback, "").mError);
}
size_t GetActiveTransportCount(const JsepSession& session) {
size_t activeTransportCount = 0;
for (const auto& transceiver : JsepSessionTest::GetTransceivers(session)) {
if (!transceiver.HasBundleLevel() ||
(transceiver.BundleLevel() == transceiver.GetLevel())) {
activeTransportCount += transceiver.mTransport.mComponents;
}
}
return activeTransportCount;
}
TEST_P(JsepSessionTest, TestBalancedBundle) {
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
mSessionOff->SetBundlePolicy(kBundleBalanced);
std::string offer = CreateOffer();
UniquePtr<Sdp> parsedOffer = std::move(SipccSdpParser().Parse(offer)->Sdp());
ASSERT_TRUE(parsedOffer.get());
std::map<SdpMediaSection::MediaType, SdpMediaSection*> firstByType;
for (size_t i = 0; i < parsedOffer->GetMediaSectionCount(); ++i) {
SdpMediaSection& msection(parsedOffer->GetMediaSection(i));
bool firstOfType = !firstByType.count(msection.GetMediaType());
if (firstOfType) {
firstByType[msection.GetMediaType()] = &msection;
}
ASSERT_EQ(!firstOfType, msection.GetAttributeList().HasAttribute(
SdpAttribute::kBundleOnlyAttribute));
}
SetLocalOffer(offer);
SetRemoteOffer(offer);
std::string answer = CreateAnswer();
SetLocalAnswer(answer);
SetRemoteAnswer(answer);
CheckTransceiversAreBundled(*mSessionOff, "Offerer transceivers");
CheckTransceiversAreBundled(*mSessionAns, "Answerer transceivers");
EXPECT_EQ(1U, GetActiveTransportCount(*mSessionOff));
EXPECT_EQ(1U, GetActiveTransportCount(*mSessionAns));
}
TEST_P(JsepSessionTest, TestMaxBundle) {
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
mSessionOff->SetBundlePolicy(kBundleMaxBundle);
std::string offer = CreateOffer();
UniquePtr<Sdp> parsedOffer = std::move(SipccSdpParser().Parse(offer)->Sdp());
ASSERT_TRUE(parsedOffer.get());
ASSERT_FALSE(parsedOffer->GetMediaSection(0).GetAttributeList().HasAttribute(
SdpAttribute::kBundleOnlyAttribute));
ASSERT_NE(0U, parsedOffer->GetMediaSection(0).GetPort());
for (size_t i = 1; i < parsedOffer->GetMediaSectionCount(); ++i) {
ASSERT_TRUE(parsedOffer->GetMediaSection(i).GetAttributeList().HasAttribute(
SdpAttribute::kBundleOnlyAttribute));
ASSERT_EQ(0U, parsedOffer->GetMediaSection(i).GetPort());
}
SetLocalOffer(offer);
for (const auto& transceiver : GetTransceivers(*mSessionOff)) {
if (transceiver.GetLevel() == 0) {
// We do not set the bundle-level in have-local-offer unless the
// m-section is bundle-only.
ASSERT_FALSE(transceiver.HasBundleLevel());
} else {
ASSERT_TRUE(transceiver.HasBundleLevel());
ASSERT_EQ(0U, transceiver.BundleLevel());
}
ASSERT_NE("", transceiver.mTransport.mTransportId);
}
SetRemoteOffer(offer);
std::string answer = CreateAnswer();
SetLocalAnswer(answer);
SetRemoteAnswer(answer);
CheckTransceiversAreBundled(*mSessionOff, "Offerer transceivers");
CheckTransceiversAreBundled(*mSessionAns, "Answerer transceivers");
EXPECT_EQ(1U, GetActiveTransportCount(*mSessionOff));
EXPECT_EQ(1U, GetActiveTransportCount(*mSessionAns));
}
TEST_F(JsepSessionTest, TestNonDefaultProtocol) {
AddTracks(*mSessionOff, "audio,video,datachannel");
AddTracks(*mSessionAns, "audio,video,datachannel");
std::string offer;
ASSERT_FALSE(
mSessionOff->CreateOffer(JsepOfferOptions(), &offer).mError.isSome());
offer.replace(offer.find("UDP/TLS/RTP/SAVPF"), strlen("UDP/TLS/RTP/SAVPF"),
"RTP/SAVPF");
offer.replace(offer.find("UDP/TLS/RTP/SAVPF"), strlen("UDP/TLS/RTP/SAVPF"),
"RTP/SAVPF");
mSessionOff->SetLocalDescription(kJsepSdpOffer, offer);
mSessionAns->SetRemoteDescription(kJsepSdpOffer, offer);
std::string answer;
mSessionAns->CreateAnswer(JsepAnswerOptions(), &answer);
UniquePtr<Sdp> parsedAnswer = Parse(answer);
ASSERT_EQ(3U, parsedAnswer->GetMediaSectionCount());
ASSERT_EQ(SdpMediaSection::kRtpSavpf,
parsedAnswer->GetMediaSection(0).GetProtocol());
ASSERT_EQ(SdpMediaSection::kRtpSavpf,
parsedAnswer->GetMediaSection(1).GetProtocol());
mSessionAns->SetLocalDescription(kJsepSdpAnswer, answer);
mSessionOff->SetRemoteDescription(kJsepSdpAnswer, answer);
// Make sure reoffer uses the same protocol as before
mSessionOff->CreateOffer(JsepOfferOptions(), &offer);
UniquePtr<Sdp> parsedOffer = Parse(offer);
ASSERT_EQ(3U, parsedOffer->GetMediaSectionCount());
ASSERT_EQ(SdpMediaSection::kRtpSavpf,
parsedOffer->GetMediaSection(0).GetProtocol());
ASSERT_EQ(SdpMediaSection::kRtpSavpf,
parsedOffer->GetMediaSection(1).GetProtocol());
// Make sure reoffer from other side uses the same protocol as before
mSessionAns->CreateOffer(JsepOfferOptions(), &offer);
parsedOffer = Parse(offer);
ASSERT_EQ(3U, parsedOffer->GetMediaSectionCount());
ASSERT_EQ(SdpMediaSection::kRtpSavpf,
parsedOffer->GetMediaSection(0).GetProtocol());
ASSERT_EQ(SdpMediaSection::kRtpSavpf,
parsedOffer->GetMediaSection(1).GetProtocol());
}
TEST_F(JsepSessionTest, CreateOfferNoVideoStreamRecvVideo) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
JsepOfferOptions options;
options.mOfferToReceiveAudio = Some(static_cast<size_t>(1U));
options.mOfferToReceiveVideo = Some(static_cast<size_t>(1U));
CreateOffer(Some(options));
}
TEST_F(JsepSessionTest, CreateOfferNoAudioStreamRecvAudio) {
types.push_back(SdpMediaSection::kVideo);
AddTracks(*mSessionOff, "video");
JsepOfferOptions options;
options.mOfferToReceiveAudio = Some(static_cast<size_t>(1U));
options.mOfferToReceiveVideo = Some(static_cast<size_t>(1U));
CreateOffer(Some(options));
}
TEST_F(JsepSessionTest, CreateOfferNoVideoStream) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
JsepOfferOptions options;
options.mOfferToReceiveAudio = Some(static_cast<size_t>(1U));
options.mOfferToReceiveVideo = Some(static_cast<size_t>(0U));
CreateOffer(Some(options));
}
TEST_F(JsepSessionTest, CreateOfferNoAudioStream) {
types.push_back(SdpMediaSection::kVideo);
AddTracks(*mSessionOff, "video");
JsepOfferOptions options;
options.mOfferToReceiveAudio = Some(static_cast<size_t>(0U));
options.mOfferToReceiveVideo = Some(static_cast<size_t>(1U));
CreateOffer(Some(options));
}
TEST_F(JsepSessionTest, CreateOfferDontReceiveAudio) {
types.push_back(SdpMediaSection::kAudio);
types.push_back(SdpMediaSection::kVideo);
AddTracks(*mSessionOff, "audio,video");
JsepOfferOptions options;
options.mOfferToReceiveAudio = Some(static_cast<size_t>(0U));
options.mOfferToReceiveVideo = Some(static_cast<size_t>(1U));
CreateOffer(Some(options));
}
TEST_F(JsepSessionTest, CreateOfferDontReceiveVideo) {
types.push_back(SdpMediaSection::kAudio);
types.push_back(SdpMediaSection::kVideo);
AddTracks(*mSessionOff, "audio,video");
JsepOfferOptions options;
options.mOfferToReceiveAudio = Some(static_cast<size_t>(1U));
options.mOfferToReceiveVideo = Some(static_cast<size_t>(0U));
CreateOffer(Some(options));
}
TEST_F(JsepSessionTest, CreateOfferRemoveAudioTrack) {
types.push_back(SdpMediaSection::kAudio);
types.push_back(SdpMediaSection::kVideo);
AddTracks(*mSessionOff, "audio,video");
SetDirection(*mSessionOff, 1, SdpDirectionAttribute::kSendonly);
JsepTrack removedTrack = RemoveTrack(*mSessionOff, 0);
ASSERT_FALSE(IsNull(removedTrack));
CreateOffer();
}
TEST_F(JsepSessionTest, CreateOfferDontReceiveAudioRemoveAudioTrack) {
types.push_back(SdpMediaSection::kAudio);
types.push_back(SdpMediaSection::kVideo);
AddTracks(*mSessionOff, "audio,video");
SetDirection(*mSessionOff, 0, SdpDirectionAttribute::kSendonly);
JsepTrack removedTrack = RemoveTrack(*mSessionOff, 0);
ASSERT_FALSE(IsNull(removedTrack));
CreateOffer();
}
TEST_F(JsepSessionTest, CreateOfferDontReceiveVideoRemoveVideoTrack) {
types.push_back(SdpMediaSection::kAudio);
types.push_back(SdpMediaSection::kVideo);
AddTracks(*mSessionOff, "audio,video");
JsepOfferOptions options;
options.mOfferToReceiveAudio = Some(static_cast<size_t>(1U));
options.mOfferToReceiveVideo = Some(static_cast<size_t>(0U));
JsepTrack removedTrack = RemoveTrack(*mSessionOff, 0);
ASSERT_FALSE(IsNull(removedTrack));
CreateOffer(Some(options));
}
static const std::string strSampleCandidate =
"a=candidate:1 1 UDP 2130706431 192.168.2.1 50005 typ host\r\n";
static const unsigned short nSamplelevel = 2;
TEST_F(JsepSessionTest, CreateOfferAddCandidate) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
std::string offer = CreateOffer();
SetLocalOffer(offer);
uint16_t level;
std::string mid;
bool skipped;
nsresult rv;
rv = mSessionOff->AddLocalIceCandidate(strSampleCandidate,
GetTransportId(*mSessionOff, 0), "",
&level, &mid, &skipped);
ASSERT_EQ(NS_OK, rv);
}
TEST_F(JsepSessionTest, AddIceCandidateEarly) {
uint16_t level;
std::string mid;
bool skipped;
nsresult rv;
rv = mSessionOff->AddLocalIceCandidate(strSampleCandidate,
GetTransportId(*mSessionOff, 0), "",
&level, &mid, &skipped);
// This can't succeed without a local description
ASSERT_NE(NS_OK, rv);
}
TEST_F(JsepSessionTest, OfferAnswerDontAddAudioStreamOnAnswerNoOptions) {
types.push_back(SdpMediaSection::kAudio);
types.push_back(SdpMediaSection::kVideo);
AddTracks(*mSessionOff, "audio,video");
AddTracks(*mSessionAns, "video");
JsepOfferOptions options;
options.mOfferToReceiveAudio = Some(static_cast<size_t>(1U));
options.mOfferToReceiveVideo = Some(static_cast<size_t>(1U));
CreateOffer(Some(options));
std::string offer = CreateOffer(Some(options));
SetLocalOffer(offer);
SetRemoteOffer(offer);
std::string answer = CreateAnswer();
SetLocalAnswer(answer, CHECK_SUCCESS);
SetRemoteAnswer(answer, CHECK_SUCCESS);
}
TEST_F(JsepSessionTest, OfferAnswerDontAddVideoStreamOnAnswerNoOptions) {
types.push_back(SdpMediaSection::kAudio);
types.push_back(SdpMediaSection::kVideo);
AddTracks(*mSessionOff, "audio,video");
AddTracks(*mSessionAns, "audio");
JsepOfferOptions options;
options.mOfferToReceiveAudio = Some(static_cast<size_t>(1U));
options.mOfferToReceiveVideo = Some(static_cast<size_t>(1U));
CreateOffer(Some(options));
std::string offer = CreateOffer(Some(options));
SetLocalOffer(offer);
SetRemoteOffer(offer);
std::string answer = CreateAnswer();
SetLocalAnswer(answer, CHECK_SUCCESS);
SetRemoteAnswer(answer, CHECK_SUCCESS);
}
TEST_F(JsepSessionTest, OfferAnswerDontAddAudioVideoStreamsOnAnswerNoOptions) {
types.push_back(SdpMediaSection::kAudio);
types.push_back(SdpMediaSection::kVideo);
AddTracks(*mSessionOff, "audio,video");
AddTracks(*mSessionAns);
JsepOfferOptions options;
options.mOfferToReceiveAudio = Some(static_cast<size_t>(1U));
options.mOfferToReceiveVideo = Some(static_cast<size_t>(1U));
OfferAnswer();
}
TEST_F(JsepSessionTest, OfferAndAnswerWithExtraCodec) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
std::string offer = CreateOffer();
SetLocalOffer(offer);
SetRemoteOffer(offer);
std::string answer = CreateAnswer();
UniquePtr<Sdp> munge = Parse(answer);
SdpMediaSection& mediaSection = munge->GetMediaSection(0);
mediaSection.AddCodec("8", "PCMA", 8000, 1);
std::string sdpString = munge->ToString();
SetLocalAnswer(sdpString);
SetRemoteAnswer(answer);
}
TEST_F(JsepSessionTest, AddCandidateInHaveLocalOffer) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
std::string offer = CreateOffer();
SetLocalOffer(offer);
std::string mid;
std::string transportId;
JsepSession::Result result = mSessionOff->AddRemoteIceCandidate(
strSampleCandidate, mid, Some(nSamplelevel), "", &transportId);
ASSERT_EQ(dom::PCError::InvalidStateError, *result.mError);
}
TEST_F(JsepSessionTest, SetLocalWithoutCreateOffer) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
std::string offer = CreateOffer();
JsepSession::Result result =
mSessionAns->SetLocalDescription(kJsepSdpOffer, offer);
ASSERT_EQ(dom::PCError::InvalidModificationError, *result.mError);
}
TEST_F(JsepSessionTest, SetLocalWithoutCreateAnswer) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
std::string offer = CreateOffer();
SetRemoteOffer(offer);
JsepSession::Result result =
mSessionAns->SetLocalDescription(kJsepSdpAnswer, offer);
ASSERT_EQ(dom::PCError::InvalidModificationError, *result.mError);
}
TEST_F(JsepSessionTest, missingUfrag) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
std::string offer = CreateOffer();
std::string ufrag = "ice-ufrag";
std::size_t pos = offer.find(ufrag);
ASSERT_NE(pos, std::string::npos);
offer.replace(pos, ufrag.length(), "ice-ufrog");
JsepSession::Result result =
mSessionAns->SetRemoteDescription(kJsepSdpOffer, offer);
ASSERT_EQ(dom::PCError::InvalidAccessError, *result.mError);
}
TEST_F(JsepSessionTest, AudioOnlyCalleeNoRtcpMux) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
std::string offer = CreateOffer();
std::string rtcp_mux = "a=rtcp-mux\r\n";
std::size_t pos = offer.find(rtcp_mux);
ASSERT_NE(pos, std::string::npos);
offer.replace(pos, rtcp_mux.length(), "");
SetLocalOffer(offer);
SetRemoteOffer(offer);
std::string answer = CreateAnswer();
pos = answer.find(rtcp_mux);
ASSERT_EQ(pos, std::string::npos);
}
TEST_F(JsepSessionTest, AudioOnlyG711Call) {
std::string offer =
"v=0\r\n"
"o=- 1 1 IN IP4 148.147.200.251\r\n"
"s=-\r\n"
"b=AS:64\r\n"
"t=0 0\r\n"
"a=fingerprint:sha-256 F3:FA:20:C0:CD:48:C4:5F:02:5F:A5:D3:21:D0:2D:48:"
"7B:31:60:5C:5A:D8:0D:CD:78:78:6C:6D:CE:CC:0C:67\r\n"
"m=audio 9000 UDP/TLS/RTP/SAVPF 0 8 126\r\n"
"c=IN IP4 148.147.200.251\r\n"
"b=TIAS:64000\r\n"
"a=rtpmap:0 PCMU/8000\r\n"
"a=rtpmap:8 PCMA/8000\r\n"
"a=rtpmap:126 telephone-event/8000\r\n"
"a=candidate:0 1 udp 2130706432 148.147.200.251 9000 typ host\r\n"
"a=candidate:0 2 udp 2130706432 148.147.200.251 9005 typ host\r\n"
"a=ice-ufrag:cYuakxkEKH+RApYE\r\n"
"a=ice-pwd:bwtpzLZD+3jbu8vQHvEa6Xuq\r\n"
"a=setup:active\r\n"
"a=sendrecv\r\n";
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionAns, "audio");
SetRemoteOffer(offer, CHECK_SUCCESS);
std::string answer = CreateAnswer();
// They didn't offer opus, so our answer shouldn't include it.
ASSERT_EQ(answer.find(" opus/"), std::string::npos);
// They also didn't offer video or application
ASSERT_EQ(answer.find("video"), std::string::npos);
ASSERT_EQ(answer.find("application"), std::string::npos);
// We should answer with PCMU and telephone-event
ASSERT_NE(answer.find(" PCMU/8000"), std::string::npos);
// Double-check the directionality
ASSERT_NE(answer.find("\r\na=sendrecv"), std::string::npos);
}
TEST_F(JsepSessionTest, AudioOnlyG722Only) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
std::string offer = CreateOffer();
SetLocalOffer(offer);
std::string audio = "m=audio 9 UDP/TLS/RTP/SAVPF 109 9 0 8 101\r\n";
std::size_t pos = offer.find(audio);
ASSERT_NE(pos, std::string::npos);
offer.replace(pos, audio.length(), "m=audio 65375 UDP/TLS/RTP/SAVPF 9\r\n");
SetRemoteOffer(offer);
std::string answer = CreateAnswer();
SetLocalAnswer(answer);
ASSERT_NE(mSessionAns->GetLocalDescription(kJsepDescriptionCurrent)
.find("UDP/TLS/RTP/SAVPF 9\r"),
std::string::npos);
ASSERT_NE(mSessionAns->GetLocalDescription(kJsepDescriptionCurrent)
.find("a=rtpmap:9 G722/8000"),
std::string::npos);
}
TEST_F(JsepSessionTest, AudioOnlyG722Rejected) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
std::string offer = CreateOffer();
SetLocalOffer(offer);
std::string audio = "m=audio 9 UDP/TLS/RTP/SAVPF 109 9 0 8 101\r\n";
std::size_t pos = offer.find(audio);
ASSERT_NE(pos, std::string::npos);
offer.replace(pos, audio.length(), "m=audio 65375 UDP/TLS/RTP/SAVPF 0 8\r\n");
SetRemoteOffer(offer);
std::string answer = CreateAnswer();
SetLocalAnswer(answer);
SetRemoteAnswer(answer);
ASSERT_NE(mSessionAns->GetLocalDescription(kJsepDescriptionCurrent)
.find("UDP/TLS/RTP/SAVPF 0 8\r"),
std::string::npos);
ASSERT_NE(mSessionAns->GetLocalDescription(kJsepDescriptionCurrent)
.find("a=rtpmap:0 PCMU/8000"),
std::string::npos);
ASSERT_EQ(mSessionAns->GetLocalDescription(kJsepDescriptionCurrent)
.find("a=rtpmap:109 opus/48000/2"),
std::string::npos);
ASSERT_EQ(mSessionAns->GetLocalDescription(kJsepDescriptionCurrent)
.find("a=rtpmap:9 G722/8000"),
std::string::npos);
}
// This test doesn't make sense for bundle
TEST_F(JsepSessionTest, DISABLED_FullCallAudioNoMuxVideoMux) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio,video");
AddTracks(*mSessionAns, "audio,video");
std::string offer = CreateOffer();
SetLocalOffer(offer);
std::string rtcp_mux = "a=rtcp-mux\r\n";
std::size_t pos = offer.find(rtcp_mux);
ASSERT_NE(pos, std::string::npos);
offer.replace(pos, rtcp_mux.length(), "");
SetRemoteOffer(offer);
std::string answer = CreateAnswer();
size_t match = mSessionAns->GetLocalDescription(kJsepDescriptionCurrent)
.find("\r\na=rtcp-mux");
ASSERT_NE(match, std::string::npos);
match = mSessionAns->GetLocalDescription(kJsepDescriptionCurrent)
.find("\r\na=rtcp-mux", match + 1);
ASSERT_EQ(match, std::string::npos);
}
// Actually, this test is completely broken; you can't just call
// SetRemote/CreateAnswer over and over again.
TEST_F(JsepSessionTest, DISABLED_OfferAllDynamicTypes) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionAns, "audio");
std::string offer;
for (int i = 96; i < 128; i++) {
std::stringstream ss;
ss << i;
std::cout << "Trying dynamic pt = " << i << std::endl;
offer =
"v=0\r\n"
"o=- 1 1 IN IP4 148.147.200.251\r\n"
"s=-\r\n"
"b=AS:64\r\n"
"t=0 0\r\n"
"a=fingerprint:sha-256 F3:FA:20:C0:CD:48:C4:5F:02:5F:A5:D3:21:D0:2D:48:"
"7B:31:60:5C:5A:D8:0D:CD:78:78:6C:6D:CE:CC:0C:67\r\n"
"m=audio 9000 RTP/AVP " +
ss.str() +
"\r\n"
"c=IN IP4 148.147.200.251\r\n"
"b=TIAS:64000\r\n"
"a=rtpmap:" +
ss.str() +
" opus/48000/2\r\n"
"a=candidate:0 1 udp 2130706432 148.147.200.251 9000 typ host\r\n"
"a=candidate:0 2 udp 2130706432 148.147.200.251 9005 typ host\r\n"
"a=ice-ufrag:cYuakxkEKH+RApYE\r\n"
"a=ice-pwd:bwtpzLZD+3jbu8vQHvEa6Xuq\r\n"
"a=sendrecv\r\n";
SetRemoteOffer(offer, CHECK_SUCCESS);
std::string answer = CreateAnswer();
ASSERT_NE(answer.find(ss.str() + " opus/"), std::string::npos);
}
}
TEST_F(JsepSessionTest, ipAddrAnyOffer) {
std::string offer =
"v=0\r\n"
"o=- 1 1 IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"b=AS:64\r\n"
"t=0 0\r\n"
"a=fingerprint:sha-256 F3:FA:20:C0:CD:48:C4:5F:02:5F:A5:D3:21:D0:2D:48:"
"7B:31:60:5C:5A:D8:0D:CD:78:78:6C:6D:CE:CC:0C:67\r\n"
"m=audio 9000 UDP/TLS/RTP/SAVPF 99\r\n"
"c=IN IP4 0.0.0.0\r\n"
"a=rtpmap:99 opus/48000/2\r\n"
"a=ice-ufrag:cYuakxkEKH+RApYE\r\n"
"a=ice-pwd:bwtpzLZD+3jbu8vQHvEa6Xuq\r\n"
"a=setup:active\r\n"
"a=sendrecv\r\n";
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionAns, "audio");
SetRemoteOffer(offer, CHECK_SUCCESS);
std::string answer = CreateAnswer();
ASSERT_NE(answer.find("a=sendrecv"), std::string::npos);
}
static void CreateSDPForBigOTests(std::string& offer,
const std::string& number) {
offer =
"v=0\r\n"
"o=- ";
offer += number;
offer += " ";
offer += number;
offer +=
" IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"b=AS:64\r\n"
"t=0 0\r\n"
"a=fingerprint:sha-256 F3:FA:20:C0:CD:48:C4:5F:02:5F:A5:D3:21:D0:2D:48:"
"7B:31:60:5C:5A:D8:0D:CD:78:78:6C:6D:CE:CC:0C:67\r\n"
"m=audio 9000 RTP/AVP 99\r\n"
"c=IN IP4 0.0.0.0\r\n"
"a=rtpmap:99 opus/48000/2\r\n"
"a=ice-ufrag:cYuakxkEKH+RApYE\r\n"
"a=ice-pwd:bwtpzLZD+3jbu8vQHvEa6Xuq\r\n"
"a=setup:active\r\n"
"a=sendrecv\r\n";
}
TEST_F(JsepSessionTest, BigOValues) {
std::string offer;
CreateSDPForBigOTests(offer, "12345678901234567");
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionAns, "audio");
SetRemoteOffer(offer, CHECK_SUCCESS);
}
TEST_F(JsepSessionTest, BigOValuesExtraChars) {
std::string offer;
CreateSDPForBigOTests(offer, "12345678901234567FOOBAR");
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionAns, "audio");
// The signaling state will remain "stable" because the unparsable
// SDP leads to a failure in SetRemoteDescription.
SetRemoteOffer(offer, NO_CHECKS);
ASSERT_EQ(kJsepStateStable, mSessionAns->GetState());
}
TEST_F(JsepSessionTest, BigOValuesTooBig) {
std::string offer;
CreateSDPForBigOTests(offer, "18446744073709551615");
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionAns, "audio");
// The signaling state will remain "stable" because the unparsable
// SDP leads to a failure in SetRemoteDescription.
SetRemoteOffer(offer, NO_CHECKS);
ASSERT_EQ(kJsepStateStable, mSessionAns->GetState());
}
TEST_F(JsepSessionTest, SetLocalAnswerInStable) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
std::string offer = CreateOffer();
// The signaling state will remain "stable" because the
// SetLocalDescription call fails.
SetLocalAnswer(offer, NO_CHECKS);
ASSERT_EQ(kJsepStateStable, mSessionOff->GetState());
}
TEST_F(JsepSessionTest, SetRemoteAnswerInStable) {
const std::string answer =
"v=0\r\n"
"o=Mozilla-SIPUA 4949 0 IN IP4 10.86.255.143\r\n"
"s=SIP Call\r\n"
"t=0 0\r\n"
"a=ice-ufrag:qkEP\r\n"
"a=ice-pwd:ed6f9GuHjLcoCN6sC/Eh7fVl\r\n"
"m=audio 16384 RTP/AVP 0 8 9 101\r\n"
"c=IN IP4 10.86.255.143\r\n"
"a=rtpmap:0 PCMU/8000\r\n"
"a=rtpmap:8 PCMA/8000\r\n"
"a=rtpmap:9 G722/8000\r\n"
"a=rtpmap:101 telephone-event/8000\r\n"
"a=fmtp:101 0-15\r\n"
"a=sendrecv\r\n"
"a=candidate:1 1 UDP 2130706431 192.168.2.1 50005 typ host\r\n"
"a=candidate:2 2 UDP 2130706431 192.168.2.2 50006 typ host\r\n"
"m=video 1024 RTP/AVP 97\r\n"
"c=IN IP4 10.86.255.143\r\n"
"a=rtpmap:120 VP8/90000\r\n"
"a=fmtp:97 profile-level-id=42E00C\r\n"
"a=sendrecv\r\n"
"a=candidate:1 1 UDP 2130706431 192.168.2.3 50007 typ host\r\n"
"a=candidate:2 2 UDP 2130706431 192.168.2.4 50008 typ host\r\n";
// The signaling state will remain "stable" because the
// SetRemoteDescription call fails.
JsepSession::Result result =
mSessionOff->SetRemoteDescription(kJsepSdpAnswer, answer);
ASSERT_EQ(dom::PCError::InvalidStateError, *result.mError);
ASSERT_EQ(kJsepStateStable, mSessionOff->GetState());
}
TEST_F(JsepSessionTest, SetLocalAnswerInHaveLocalOffer) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
std::string offer = CreateOffer();
SetLocalOffer(offer);
ASSERT_EQ(kJsepStateHaveLocalOffer, mSessionOff->GetState());
// The signaling state will remain "have-local-offer" because the
// SetLocalDescription call fails.
JsepSession::Result result =
mSessionOff->SetLocalDescription(kJsepSdpAnswer, offer);
ASSERT_EQ(dom::PCError::InvalidModificationError, *result.mError);
ASSERT_EQ(kJsepStateHaveLocalOffer, mSessionOff->GetState());
}
TEST_F(JsepSessionTest, SetRemoteOfferInHaveLocalOffer) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
std::string offer = CreateOffer();
SetLocalOffer(offer);
ASSERT_EQ(kJsepStateHaveLocalOffer, mSessionOff->GetState());
// The signaling state will remain "have-local-offer" because the
// SetRemoteDescription call fails.
JsepSession::Result result =
mSessionOff->SetRemoteDescription(kJsepSdpOffer, offer);
ASSERT_EQ(dom::PCError::InvalidStateError, *result.mError);
ASSERT_EQ(kJsepStateHaveLocalOffer, mSessionOff->GetState());
}
TEST_F(JsepSessionTest, SetLocalOfferInHaveRemoteOffer) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
std::string offer = CreateOffer();
SetRemoteOffer(offer);
ASSERT_EQ(kJsepStateHaveRemoteOffer, mSessionAns->GetState());
// The signaling state will remain "have-remote-offer" because the
// SetLocalDescription call fails.
JsepSession::Result result =
mSessionAns->SetLocalDescription(kJsepSdpOffer, offer);
ASSERT_EQ(dom::PCError::InvalidModificationError, *result.mError);
ASSERT_EQ(kJsepStateHaveRemoteOffer, mSessionAns->GetState());
}
TEST_F(JsepSessionTest, SetRemoteAnswerInHaveRemoteOffer) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
std::string offer = CreateOffer();
SetRemoteOffer(offer);
ASSERT_EQ(kJsepStateHaveRemoteOffer, mSessionAns->GetState());
// The signaling state will remain "have-remote-offer" because the
// SetRemoteDescription call fails.
JsepSession::Result result =
mSessionAns->SetRemoteDescription(kJsepSdpAnswer, offer);
ASSERT_EQ(dom::PCError::InvalidStateError, *result.mError);
ASSERT_EQ(kJsepStateHaveRemoteOffer, mSessionAns->GetState());
}
TEST_F(JsepSessionTest, RtcpFbInOffer) {
types.push_back(SdpMediaSection::kAudio);
types.push_back(SdpMediaSection::kVideo);
AddTracks(*mSessionOff, "audio,video");
std::string offer = CreateOffer();
std::map<std::string, bool> expected;
expected["nack"] = false;
expected["nack pli"] = false;
expected["ccm fir"] = false;
size_t prev = 0;
size_t found = 0;
for (;;) {
found = offer.find('\n', found + 1);
if (found == std::string::npos) break;
std::string line = offer.substr(prev, (found - prev));
// ensure no other rtcp-fb values are present
if (line.find("a=rtcp-fb:") != std::string::npos) {
size_t space = line.find(' ');
// strip trailing \r\n
std::string value = line.substr(space + 1, line.length() - space - 2);
std::map<std::string, bool>::iterator entry = expected.find(value);
ASSERT_NE(entry, expected.end());
entry->second = true;
}
prev = found + 1;
}
// ensure all values are present
for (std::map<std::string, bool>::iterator it = expected.begin();
it != expected.end(); ++it) {
ASSERT_EQ(it->second, true);
}
}
// In this test we will change the offer SDP's a=setup value
// from actpass to passive. This will force the answer to do active.
TEST_F(JsepSessionTest, AudioCallForceDtlsRoles) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
std::string offer = CreateOffer();
std::string actpass = "\r\na=setup:actpass";
size_t match = offer.find(actpass);
ASSERT_NE(match, std::string::npos);
offer.replace(match, actpass.length(), "\r\na=setup:passive");
SetLocalOffer(offer);
SetRemoteOffer(offer);
ASSERT_EQ(kJsepStateHaveRemoteOffer, mSessionAns->GetState());
std::string answer = CreateAnswer();
match = answer.find("\r\na=setup:active");
ASSERT_NE(match, std::string::npos);
SetLocalAnswer(answer);
SetRemoteAnswer(answer);
ASSERT_EQ(kJsepStateStable, mSessionAns->GetState());
}
// In this test we will change the offer SDP's a=setup value
// from actpass to active. This will force the answer to do passive.
TEST_F(JsepSessionTest, AudioCallReverseDtlsRoles) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
std::string offer = CreateOffer();
std::string actpass = "\r\na=setup:actpass";
size_t match = offer.find(actpass);
ASSERT_NE(match, std::string::npos);
offer.replace(match, actpass.length(), "\r\na=setup:active");
SetLocalOffer(offer);
SetRemoteOffer(offer);
ASSERT_EQ(kJsepStateHaveRemoteOffer, mSessionAns->GetState());
std::string answer = CreateAnswer();
match = answer.find("\r\na=setup:passive");
ASSERT_NE(match, std::string::npos);
SetLocalAnswer(answer);
SetRemoteAnswer(answer);
ASSERT_EQ(kJsepStateStable, mSessionAns->GetState());
}
// In this test we will change the answer SDP's a=setup value
// from active to passive. This will make both sides do
// active and should not connect.
TEST_F(JsepSessionTest, AudioCallMismatchDtlsRoles) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
std::string offer = CreateOffer();
std::string actpass = "\r\na=setup:actpass";
size_t match = offer.find(actpass);
ASSERT_NE(match, std::string::npos);
SetLocalOffer(offer);
SetRemoteOffer(offer);
ASSERT_EQ(kJsepStateHaveRemoteOffer, mSessionAns->GetState());
std::string answer = CreateAnswer();
SetLocalAnswer(answer);
std::string active = "\r\na=setup:active";
match = answer.find(active);
ASSERT_NE(match, std::string::npos);
answer.replace(match, active.length(), "\r\na=setup:passive");
SetRemoteAnswer(answer);
// This is as good as it gets in a JSEP test (w/o starting DTLS)
ASSERT_EQ(JsepDtlsTransport::kJsepDtlsClient,
GetTransceivers(*mSessionOff)[0].mTransport.mDtls->GetRole());
ASSERT_EQ(JsepDtlsTransport::kJsepDtlsClient,
GetTransceivers(*mSessionAns)[0].mTransport.mDtls->GetRole());
}
// Verify that missing a=setup in offer gets rejected
TEST_F(JsepSessionTest, AudioCallOffererNoSetup) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
std::string offer = CreateOffer();
SetLocalOffer(offer);
std::string actpass = "\r\na=setup:actpass";
size_t match = offer.find(actpass);
ASSERT_NE(match, std::string::npos);
offer.replace(match, actpass.length(), "");
// The signaling state will remain "stable" because the unparsable
// SDP leads to a failure in SetRemoteDescription.
SetRemoteOffer(offer, NO_CHECKS);
ASSERT_EQ(kJsepStateStable, mSessionAns->GetState());
ASSERT_EQ(kJsepStateHaveLocalOffer, mSessionOff->GetState());
}
// In this test we will change the answer SDP to remove the
// a=setup line, which results in active being assumed.
TEST_F(JsepSessionTest, AudioCallAnswerNoSetup) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
std::string offer = CreateOffer();
size_t match = offer.find("\r\na=setup:actpass");
ASSERT_NE(match, std::string::npos);
SetLocalOffer(offer);
SetRemoteOffer(offer);
ASSERT_EQ(kJsepStateHaveRemoteOffer, mSessionAns->GetState());
std::string answer = CreateAnswer();
SetLocalAnswer(answer);
std::string active = "\r\na=setup:active";
match = answer.find(active);
ASSERT_NE(match, std::string::npos);
answer.replace(match, active.length(), "");
SetRemoteAnswer(answer);
ASSERT_EQ(kJsepStateStable, mSessionAns->GetState());
// This is as good as it gets in a JSEP test (w/o starting DTLS)
ASSERT_EQ(JsepDtlsTransport::kJsepDtlsServer,
GetTransceivers(*mSessionOff)[0].mTransport.mDtls->GetRole());
ASSERT_EQ(JsepDtlsTransport::kJsepDtlsClient,
GetTransceivers(*mSessionAns)[0].mTransport.mDtls->GetRole());
}
// Verify that 'holdconn' gets rejected
TEST_F(JsepSessionTest, AudioCallDtlsRoleHoldconn) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
std::string offer = CreateOffer();
SetLocalOffer(offer);
std::string actpass = "\r\na=setup:actpass";
size_t match = offer.find(actpass);
ASSERT_NE(match, std::string::npos);
offer.replace(match, actpass.length(), "\r\na=setup:holdconn");
// The signaling state will remain "stable" because the unparsable
// SDP leads to a failure in SetRemoteDescription.
SetRemoteOffer(offer, NO_CHECKS);
ASSERT_EQ(kJsepStateStable, mSessionAns->GetState());
ASSERT_EQ(kJsepStateHaveLocalOffer, mSessionOff->GetState());
}
// Verify that 'actpass' in answer gets rejected
TEST_F(JsepSessionTest, AudioCallAnswererUsesActpass) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
std::string offer = CreateOffer();
SetLocalOffer(offer);
SetRemoteOffer(offer);
std::string answer = CreateAnswer();
SetLocalAnswer(answer);
std::string active = "\r\na=setup:active";
size_t match = answer.find(active);
ASSERT_NE(match, std::string::npos);
answer.replace(match, active.length(), "\r\na=setup:actpass");
// The signaling state will remain "stable" because the unparsable
// SDP leads to a failure in SetRemoteDescription.
SetRemoteAnswer(answer, NO_CHECKS);
ASSERT_EQ(kJsepStateStable, mSessionAns->GetState());
ASSERT_EQ(kJsepStateHaveLocalOffer, mSessionOff->GetState());
}
// Verify that 'actpass' in reoffer from previous answerer doesn't result
// in a role switch.
TEST_F(JsepSessionTest, AudioCallPreviousAnswererUsesActpassInReoffer) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
OfferAnswer();
ValidateSetupAttribute(*mSessionOff, SdpSetupAttribute::kActpass);
ValidateSetupAttribute(*mSessionAns, SdpSetupAttribute::kActive);
SwapOfferAnswerRoles();
OfferAnswer();
ValidateSetupAttribute(*mSessionOff, SdpSetupAttribute::kActpass);
ValidateSetupAttribute(*mSessionAns, SdpSetupAttribute::kPassive);
}
TEST_F(JsepSessionTest, DISABLED_AudioCallOffererAttemptsSetupRoleSwitch) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
OfferAnswer();
ValidateSetupAttribute(*mSessionOff, SdpSetupAttribute::kActpass);
ValidateSetupAttribute(*mSessionAns, SdpSetupAttribute::kActive);
std::string reoffer = CreateOffer();
SetLocalOffer(reoffer);
std::string actpass = "\r\na=setup:actpass";
size_t match = reoffer.find(actpass);
ASSERT_NE(match, std::string::npos);
reoffer.replace(match, actpass.length(), "\r\na=setup:active");
// This is expected to fail.
SetRemoteOffer(reoffer, NO_CHECKS);
ASSERT_EQ(kJsepStateHaveLocalOffer, mSessionOff->GetState());
ASSERT_EQ(kJsepStateStable, mSessionAns->GetState());
}
TEST_F(JsepSessionTest, DISABLED_AudioCallAnswererAttemptsSetupRoleSwitch) {
types.push_back(SdpMediaSection::kAudio);
AddTracks(*mSessionOff, "audio");
AddTracks(*mSessionAns, "audio");
OfferAnswer();
ValidateSetupAttribute(*mSessionOff, SdpSetupAttribute::kActpass);
ValidateSetupAttribute(*mSessionAns, SdpSetupAttribute::kActive);
std::string reoffer = CreateOffer();
SetLocalOffer(reoffer);
SetRemoteOffer(reoffer);
std::string reanswer = CreateAnswer();
SetLocalAnswer(reanswer);
std::string actpass = "\r\na=setup:active";
size_t match = reanswer.find(actpass);
ASSERT_NE(match, std::string::npos);
reanswer.replace(match, actpass.length(), "\r\na=setup:passive");
// This is expected to fail.
SetRemoteAnswer(reanswer, NO_CHECKS);
ASSERT_EQ(kJsepStateHaveLocalOffer, mSessionOff->GetState());
ASSERT_EQ(kJsepStateStable, mSessionAns->GetState());
}
// Remove H.264 P1 and VP8 from offer, check answer negotiates H.264 P0
TEST_F(JsepSessionTest, OfferWithOnlyH264P0) {
for (auto& codec : mSessionOff->Codecs()) {
if (codec->mName != "H264" || codec->mDefaultPt == "126") {
codec->mEnabled = false;
}
}
types.push_back(SdpMediaSection::kAudio);
types.push_back(SdpMediaSection::kVideo);
AddTracks(*mSessionOff, "audio,video");
AddTracks(*mSessionAns, "audio,video");
std::string offer = CreateOffer();
ASSERT_EQ(offer.find("a=rtpmap:126 H264/90000"), std::string::npos);
ASSERT_EQ(offer.find("a=rtpmap:120 VP8/90000"), std::string::npos);
SetLocalOffer(offer);
SetRemoteOffer(offer);
std::string answer = CreateAnswer();
size_t match = answer.find("\r\na=setup:active");
ASSERT_NE(match, std::string::npos);
// validate answer SDP
ASSERT_NE(answer.find("a=rtpmap:97 H264/90000"), std::string::npos);
ASSERT_NE(answer.find("a=rtcp-fb:97 nack"), std::string::npos);
ASSERT_NE(answer.find("a=rtcp-fb:97 nack pli"), std::string::npos);
ASSERT_NE(answer.find("a=rtcp-fb:97 ccm fir"), std::string::npos);
// Ensure VP8 and P1 removed
ASSERT_EQ(answer.find("a=rtpmap:126 H264/90000"), std::string::npos);
ASSERT_EQ(answer.find("a=rtpmap:120 VP8/90000"), std::string::npos);
ASSERT_EQ(answer.find("a=rtcp-fb:120"), std::string::npos);
ASSERT_EQ(answer.find("a=rtcp-fb:126"), std::string::npos);
}
// Test negotiating an answer which has only H.264 P1
// Which means replace VP8 with H.264 P1 in answer
TEST_F(JsepSessionTest, AnswerWithoutVP8) {
types.push_back(SdpMediaSection::kAudio);
types.push_back(SdpMediaSection::kVideo);
AddTracks(*mSessionOff, "audio,video");
AddTracks(*mSessionAns, "audio,video");
std::string offer = CreateOffer();
SetLocalOffer(offer);
SetRemoteOffer(offer);
for (auto& codec : mSessionOff->Codecs()) {
if (codec->mName != "H264" || codec->mDefaultPt == "126") {
codec->mEnabled = false;
}
}
std::string answer = CreateAnswer();
SetLocalAnswer(answer);
SetRemoteAnswer(answer);
}
// Ok. Hear me out.
// The JSEP spec specifies very different behavior for the following two cases:
// 1. AddTrack caused a transceiver to be created.
// 2. The transceiver was not created as a side-effect of AddTrack.
//
// All together now...
//
// SADFACE :(
//
// Ok, enough of that. The upshot is we need to test two different codepaths for
// the same thing here. Most of this unit-test suite tests the "magic" case
// (case 1 above). Case 2 (the non-magic case) is simpler, so we have just a
// handful of tests.
TEST_F(JsepSessionTest, OffererNoAddTrackMagic) {
types = BuildTypes("audio,video");
AddTracks(*mSessionOff, NO_ADDTRACK_MAGIC);
AddTracks(*mSessionAns);
// Offerer's transceivers aren't "magic"; they will not associate with the
// remote side's m-sections automatically. But, since they went into the
// offer, everything works normally.
OfferAnswer();
ASSERT_EQ(2U, GetTransceivers(*mSessionOff).size());
ASSERT_EQ(2U, GetTransceivers(*mSessionAns).size());
}
TEST_F(JsepSessionTest, AnswererNoAddTrackMagic) {
types = BuildTypes("audio,video");
AddTracks(*mSessionOff);
AddTracks(*mSessionAns, NO_ADDTRACK_MAGIC);
OfferAnswer(CHECK_SUCCESS);
ASSERT_EQ(2U, GetTransceivers(*mSessionOff).size());
// Since answerer's transceivers aren't "magic", they cannot automatically be
// attached to the offerer's m-sections.
ASSERT_EQ(4U, GetTransceivers(*mSessionAns).size());
SwapOfferAnswerRoles();
OfferAnswer(CHECK_SUCCESS);
ASSERT_EQ(4U, GetTransceivers(*mSessionOff).size());
ASSERT_EQ(4U, GetTransceivers(*mSessionAns).size());
}
// JSEP has rules about when a disabled m-section can be reused; the gist is
// that the m-section has to be negotiated disabled, then it becomes a candidate
// for reuse on the next renegotiation. Stopping a transceiver does not allow
// you to reuse on the next negotiation.
TEST_F(JsepSessionTest, OffererRecycle) {
types = BuildTypes("audio,video");
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
OfferAnswer();
ASSERT_EQ(2U, GetTransceivers(*mSessionOff).size());
ASSERT_EQ(2U, GetTransceivers(*mSessionAns).size());
GetTransceivers(*mSessionOff)[0].Stop();
AddTracks(*mSessionOff, "audio");
ASSERT_EQ(3U, GetTransceivers(*mSessionOff).size());
ASSERT_TRUE(mSessionOff->CheckNegotiationNeeded());
OfferAnswer(CHECK_SUCCESS);
ASSERT_FALSE(mSessionOff->CheckNegotiationNeeded());
// It is too soon to recycle msection 0, so the new track should have been
// given a new msection.
ASSERT_EQ(3U, GetTransceivers(*mSessionOff).size());
ASSERT_EQ(0U, GetTransceivers(*mSessionOff)[0].GetLevel());
ASSERT_TRUE(GetTransceivers(*mSessionOff)[0].IsStopped());
ASSERT_EQ(1U, GetTransceivers(*mSessionOff)[1].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[1].IsStopped());
ASSERT_EQ(2U, GetTransceivers(*mSessionOff)[2].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[2].IsStopped());
ASSERT_EQ(3U, GetTransceivers(*mSessionAns).size());
ASSERT_EQ(0U, GetTransceivers(*mSessionAns)[0].GetLevel());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[0].IsStopped());
ASSERT_EQ(1U, GetTransceivers(*mSessionAns)[1].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[1].IsStopped());
ASSERT_EQ(2U, GetTransceivers(*mSessionAns)[2].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].IsStopped());
UniquePtr<Sdp> offer = GetParsedLocalDescription(*mSessionOff);
ASSERT_EQ(3U, offer->GetMediaSectionCount());
ValidateDisabledMSection(&offer->GetMediaSection(0));
UniquePtr<Sdp> answer = GetParsedLocalDescription(*mSessionAns);
ASSERT_EQ(3U, answer->GetMediaSectionCount());
ValidateDisabledMSection(&answer->GetMediaSection(0));
// Ok. Now renegotiating should recycle m-section 0.
AddTracks(*mSessionOff, "audio");
ASSERT_EQ(4U, GetTransceivers(*mSessionOff).size());
OfferAnswer(CHECK_SUCCESS);
// Transceiver 3 should now be attached to m-section 0
ASSERT_EQ(4U, GetTransceivers(*mSessionOff).size());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[0].HasLevel());
ASSERT_TRUE(GetTransceivers(*mSessionOff)[0].IsStopped());
ASSERT_EQ(1U, GetTransceivers(*mSessionOff)[1].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[1].IsStopped());
ASSERT_EQ(2U, GetTransceivers(*mSessionOff)[2].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[2].IsStopped());
ASSERT_EQ(0U, GetTransceivers(*mSessionOff)[3].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[3].IsStopped());
ASSERT_EQ(4U, GetTransceivers(*mSessionAns).size());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[0].HasLevel());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[0].IsStopped());
ASSERT_EQ(1U, GetTransceivers(*mSessionAns)[1].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[1].IsStopped());
ASSERT_EQ(2U, GetTransceivers(*mSessionAns)[2].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].IsStopped());
ASSERT_EQ(0U, GetTransceivers(*mSessionAns)[3].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[3].IsStopped());
}
TEST_F(JsepSessionTest, RecycleAnswererStopsTransceiver) {
types = BuildTypes("audio,video");
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
OfferAnswer();
ASSERT_EQ(2U, GetTransceivers(*mSessionOff).size());
ASSERT_EQ(2U, GetTransceivers(*mSessionAns).size());
GetTransceivers(*mSessionAns)[0].Stop();
ASSERT_TRUE(mSessionAns->CheckNegotiationNeeded());
OfferAnswer(CHECK_SUCCESS);
// Answerer is not allowed to handle Stop(); it needs to be done in an offer
ASSERT_TRUE(mSessionAns->CheckNegotiationNeeded());
ASSERT_EQ(2U, GetTransceivers(*mSessionOff).size());
ASSERT_EQ(0U, GetTransceivers(*mSessionOff)[0].GetLevel());
// webrtc-pc pulled a fast one and modified JSEP to say that the answerer
// does not reject when it has a stopped transceiver. That's an offerer thing
// only.
ASSERT_FALSE(GetTransceivers(*mSessionOff)[0].IsStopped());
ASSERT_EQ(1U, GetTransceivers(*mSessionOff)[1].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[1].IsStopped());
ASSERT_EQ(2U, GetTransceivers(*mSessionAns).size());
ASSERT_EQ(0U, GetTransceivers(*mSessionAns)[0].GetLevel());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[0].IsStopping());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[0].IsStopped());
ASSERT_EQ(1U, GetTransceivers(*mSessionAns)[1].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[1].IsStopping());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[1].IsStopped());
auto offer = GetParsedLocalDescription(*mSessionOff);
ASSERT_EQ(2U, offer->GetMediaSectionCount());
auto answer = GetParsedLocalDescription(*mSessionAns);
ASSERT_EQ(2U, answer->GetMediaSectionCount());
// Switching roles and renegotiating will cause the m-section to be rejected
SwapOfferAnswerRoles();
OfferAnswer();
ASSERT_FALSE(mSessionAns->CheckNegotiationNeeded());
ASSERT_EQ(2U, GetTransceivers(*mSessionOff).size());
ASSERT_EQ(0U, GetTransceivers(*mSessionOff)[0].GetLevel());
ASSERT_TRUE(GetTransceivers(*mSessionOff)[0].IsStopped());
ASSERT_EQ(1U, GetTransceivers(*mSessionOff)[1].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[1].IsStopped());
ASSERT_EQ(2U, GetTransceivers(*mSessionAns).size());
ASSERT_EQ(0U, GetTransceivers(*mSessionAns)[0].GetLevel());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[0].IsStopped());
ASSERT_EQ(1U, GetTransceivers(*mSessionAns)[1].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[1].IsStopped());
offer = GetParsedLocalDescription(*mSessionOff);
ASSERT_EQ(2U, offer->GetMediaSectionCount());
answer = GetParsedLocalDescription(*mSessionAns);
ASSERT_EQ(2U, answer->GetMediaSectionCount());
ValidateDisabledMSection(&offer->GetMediaSection(0));
ValidateDisabledMSection(&offer->GetMediaSection(0));
ValidateDisabledMSection(&answer->GetMediaSection(0));
// Renegotiating should recycle m-section 0.
AddTracks(*mSessionOff, "audio");
ASSERT_EQ(3U, GetTransceivers(*mSessionOff).size());
OfferAnswer(CHECK_SUCCESS);
// Transceiver 3 should now be attached to m-section 0
ASSERT_EQ(3U, GetTransceivers(*mSessionOff).size());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[0].HasLevel());
ASSERT_TRUE(GetTransceivers(*mSessionOff)[0].IsStopped());
ASSERT_EQ(1U, GetTransceivers(*mSessionOff)[1].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[1].IsStopped());
ASSERT_EQ(0U, GetTransceivers(*mSessionOff)[2].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[2].IsStopped());
ASSERT_EQ(3U, GetTransceivers(*mSessionAns).size());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[0].HasLevel());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[0].IsStopped());
ASSERT_EQ(1U, GetTransceivers(*mSessionAns)[1].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[1].IsStopped());
ASSERT_EQ(0U, GetTransceivers(*mSessionAns)[2].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].IsStopped());
}
// TODO: Have a test where offerer stops, and answerer adds a track and reoffers
// once Nils' role swap code lands.
// TODO: Have a test where answerer stops and adds a track.
TEST_F(JsepSessionTest, OffererRecycleNoMagic) {
types = BuildTypes("audio,video");
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
OfferAnswer();
ASSERT_EQ(2U, GetTransceivers(*mSessionOff).size());
ASSERT_EQ(2U, GetTransceivers(*mSessionAns).size());
GetTransceivers(*mSessionOff)[0].Stop();
OfferAnswer(CHECK_SUCCESS);
// Ok. Now renegotiating should recycle m-section 0.
AddTracks(*mSessionOff, "audio", NO_ADDTRACK_MAGIC);
ASSERT_EQ(3U, GetTransceivers(*mSessionOff).size());
OfferAnswer(CHECK_SUCCESS);
// Transceiver 2 should now be attached to m-section 0
ASSERT_EQ(3U, GetTransceivers(*mSessionOff).size());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[0].HasLevel());
ASSERT_TRUE(GetTransceivers(*mSessionOff)[0].IsStopped());
ASSERT_EQ(1U, GetTransceivers(*mSessionOff)[1].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[1].IsStopped());
ASSERT_EQ(0U, GetTransceivers(*mSessionOff)[2].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[2].IsStopped());
ASSERT_EQ(3U, GetTransceivers(*mSessionAns).size());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[0].HasLevel());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[0].IsStopped());
ASSERT_EQ(1U, GetTransceivers(*mSessionAns)[1].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[1].IsStopped());
ASSERT_EQ(0U, GetTransceivers(*mSessionAns)[2].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].IsStopped());
}
TEST_F(JsepSessionTest, OffererRecycleNoMagicAnswererStopsTransceiver) {
types = BuildTypes("audio,video");
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
OfferAnswer();
ASSERT_EQ(2U, GetTransceivers(*mSessionOff).size());
ASSERT_EQ(2U, GetTransceivers(*mSessionAns).size());
GetTransceivers(*mSessionAns)[0].Stop();
SwapOfferAnswerRoles();
OfferAnswer(CHECK_SUCCESS);
// Ok. Now renegotiating should recycle m-section 0.
AddTracks(*mSessionOff, "audio", NO_ADDTRACK_MAGIC);
ASSERT_EQ(3U, GetTransceivers(*mSessionOff).size());
OfferAnswer(CHECK_SUCCESS);
// Transceiver 2 should now be attached to m-section 0
ASSERT_EQ(3U, GetTransceivers(*mSessionOff).size());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[0].HasLevel());
ASSERT_TRUE(GetTransceivers(*mSessionOff)[0].IsStopped());
ASSERT_EQ(1U, GetTransceivers(*mSessionOff)[1].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[1].IsStopped());
ASSERT_EQ(0U, GetTransceivers(*mSessionOff)[2].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[2].IsStopped());
ASSERT_EQ(3U, GetTransceivers(*mSessionAns).size());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[0].HasLevel());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[0].IsStopped());
ASSERT_EQ(1U, GetTransceivers(*mSessionAns)[1].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[1].IsStopped());
ASSERT_EQ(0U, GetTransceivers(*mSessionAns)[2].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].IsStopped());
}
TEST_F(JsepSessionTest, RecycleRollback) {
types = BuildTypes("audio,video");
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
OfferAnswer();
ASSERT_EQ(2U, GetTransceivers(*mSessionOff).size());
ASSERT_EQ(2U, GetTransceivers(*mSessionAns).size());
GetTransceivers(*mSessionOff)[0].Stop();
OfferAnswer(CHECK_SUCCESS);
AddTracks(*mSessionOff, "audio");
ASSERT_EQ(3U, GetTransceivers(*mSessionOff).size());
ASSERT_EQ(0U, GetTransceivers(*mSessionOff)[0].GetLevel());
ASSERT_TRUE(GetTransceivers(*mSessionOff)[0].IsStopped());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[0].IsAssociated());
ASSERT_EQ(1U, GetTransceivers(*mSessionOff)[1].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[1].IsStopped());
ASSERT_TRUE(GetTransceivers(*mSessionOff)[1].IsAssociated());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[2].HasLevel());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[2].IsStopped());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[2].IsAssociated());
std::string offer = CreateOffer();
ASSERT_EQ(3U, GetTransceivers(*mSessionOff).size());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[0].HasLevel());
ASSERT_TRUE(GetTransceivers(*mSessionOff)[0].IsStopped());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[0].IsAssociated());
ASSERT_EQ(1U, GetTransceivers(*mSessionOff)[1].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[1].IsStopped());
ASSERT_TRUE(GetTransceivers(*mSessionOff)[1].IsAssociated());
ASSERT_EQ(0U, GetTransceivers(*mSessionOff)[2].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[2].IsStopped());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[2].IsAssociated());
SetLocalOffer(offer, CHECK_SUCCESS);
ASSERT_EQ(3U, GetTransceivers(*mSessionOff).size());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[0].HasLevel());
ASSERT_TRUE(GetTransceivers(*mSessionOff)[0].IsStopped());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[0].IsAssociated());
ASSERT_EQ(1U, GetTransceivers(*mSessionOff)[1].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[1].IsStopped());
ASSERT_TRUE(GetTransceivers(*mSessionOff)[1].IsAssociated());
ASSERT_EQ(0U, GetTransceivers(*mSessionOff)[2].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[2].IsStopped());
// This should now be associated
ASSERT_TRUE(GetTransceivers(*mSessionOff)[2].IsAssociated());
ASSERT_FALSE(
mSessionOff->SetLocalDescription(kJsepSdpRollback, "").mError.isSome());
// Rollback should not change the levels of any of these, since those are set
// in CreateOffer.
ASSERT_EQ(3U, GetTransceivers(*mSessionOff).size());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[0].HasLevel());
ASSERT_TRUE(GetTransceivers(*mSessionOff)[0].IsStopped());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[0].IsAssociated());
ASSERT_EQ(1U, GetTransceivers(*mSessionOff)[1].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[1].IsStopped());
ASSERT_TRUE(GetTransceivers(*mSessionOff)[1].IsAssociated());
ASSERT_EQ(0U, GetTransceivers(*mSessionOff)[2].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[2].IsStopped());
// This should no longer be associated
ASSERT_FALSE(GetTransceivers(*mSessionOff)[2].IsAssociated());
}
TEST_F(JsepSessionTest, AddTrackMagicWithNullReplaceTrack) {
types = BuildTypes("audio,video");
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
OfferAnswer();
ASSERT_EQ(2U, GetTransceivers(*mSessionOff).size());
ASSERT_EQ(2U, GetTransceivers(*mSessionAns).size());
AddTracks(*mSessionAns, "audio");
AddTracks(*mSessionOff, "audio");
ASSERT_EQ(3U, GetTransceivers(*mSessionAns).size());
ASSERT_EQ(0U, GetTransceivers(*mSessionAns)[0].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[0].IsStopped());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[0].IsAssociated());
ASSERT_EQ(1U, GetTransceivers(*mSessionAns)[1].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[1].IsStopped());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[1].IsAssociated());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].HasLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].IsStopped());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].IsAssociated());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[2].HasAddTrackMagic());
// Ok, transceiver 2 is "magical". Ensure it still has this "magical"
// auto-matching property even if we null it out with replaceTrack.
GetTransceivers(*mSessionAns)[2].mSendTrack.ClearStreamIds();
GetTransceivers(*mSessionAns)[2].mJsDirection =
SdpDirectionAttribute::Direction::kRecvonly;
OfferAnswer(CHECK_SUCCESS);
ASSERT_EQ(3U, GetTransceivers(*mSessionAns).size());
ASSERT_EQ(0U, GetTransceivers(*mSessionAns)[0].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[0].IsStopped());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[0].IsAssociated());
ASSERT_EQ(1U, GetTransceivers(*mSessionAns)[1].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[1].IsStopped());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[1].IsAssociated());
ASSERT_EQ(2U, GetTransceivers(*mSessionAns)[2].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].IsStopped());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[2].IsAssociated());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[2].HasAddTrackMagic());
ASSERT_EQ(3U, GetTransceivers(*mSessionOff).size());
ASSERT_EQ(0U, GetTransceivers(*mSessionOff)[0].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[0].IsStopped());
ASSERT_TRUE(GetTransceivers(*mSessionOff)[0].IsAssociated());
ASSERT_EQ(1U, GetTransceivers(*mSessionOff)[1].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[1].IsStopped());
ASSERT_TRUE(GetTransceivers(*mSessionOff)[1].IsAssociated());
ASSERT_EQ(2U, GetTransceivers(*mSessionOff)[2].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[2].IsStopped());
ASSERT_TRUE(GetTransceivers(*mSessionOff)[2].IsAssociated());
ASSERT_TRUE(GetTransceivers(*mSessionOff)[2].HasAddTrackMagic());
}
// Flipside of AddTrackMagicWithNullReplaceTrack; we want to check that
// auto-matching does not work for transceivers that were created without a
// track, but were later given a track with replaceTrack.
TEST_F(JsepSessionTest, NoAddTrackMagicReplaceTrack) {
types = BuildTypes("audio,video");
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
OfferAnswer();
ASSERT_EQ(2U, GetTransceivers(*mSessionOff).size());
ASSERT_EQ(2U, GetTransceivers(*mSessionAns).size());
AddTracks(*mSessionOff, "audio");
mSessionAns->AddTransceiver(
JsepTransceiver(SdpMediaSection::MediaType::kAudio, mUuidGen));
GetTransceivers(*mSessionAns)[2].mSendTrack.UpdateStreamIds({"newstream"});
ASSERT_EQ(3U, GetTransceivers(*mSessionAns).size());
ASSERT_EQ(0U, GetTransceivers(*mSessionAns)[0].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[0].IsStopped());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[0].IsAssociated());
ASSERT_EQ(1U, GetTransceivers(*mSessionAns)[1].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[1].IsStopped());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[1].IsAssociated());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].HasLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].IsStopped());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].IsAssociated());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].HasAddTrackMagic());
OfferAnswer(CHECK_SUCCESS);
ASSERT_EQ(4U, GetTransceivers(*mSessionAns).size());
ASSERT_EQ(0U, GetTransceivers(*mSessionAns)[0].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[0].IsStopped());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[0].IsAssociated());
ASSERT_EQ(1U, GetTransceivers(*mSessionAns)[1].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[1].IsStopped());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[1].IsAssociated());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].HasLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].IsStopped());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].IsAssociated());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].HasAddTrackMagic());
ASSERT_EQ(2U, GetTransceivers(*mSessionAns)[3].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[3].IsStopped());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[3].IsAssociated());
}
TEST_F(JsepSessionTest, AddTrackDoesNotMakeTransceiverMagical) {
types = BuildTypes("audio,video");
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
OfferAnswer();
ASSERT_EQ(2U, GetTransceivers(*mSessionOff).size());
ASSERT_EQ(2U, GetTransceivers(*mSessionAns).size());
AddTracks(*mSessionOff, "audio");
mSessionAns->AddTransceiver(
JsepTransceiver(SdpMediaSection::MediaType::kAudio, mUuidGen));
ASSERT_EQ(3U, GetTransceivers(*mSessionAns).size());
ASSERT_EQ(0U, GetTransceivers(*mSessionAns)[0].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[0].IsStopped());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[0].IsAssociated());
ASSERT_EQ(1U, GetTransceivers(*mSessionAns)[1].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[1].IsStopped());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[1].IsAssociated());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].HasLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].IsStopped());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].IsAssociated());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].HasAddTrackMagic());
// This attaches a track to the third transceiver, but does _not_ set the
// addTrack magic bit, meaning it will not auto-pair with the track added
// to the offerer.
AddTracks(*mSessionAns, "audio");
ASSERT_EQ(3U, GetTransceivers(*mSessionAns).size());
ASSERT_EQ(0U, GetTransceivers(*mSessionAns)[0].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[0].IsStopped());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[0].IsAssociated());
ASSERT_EQ(1U, GetTransceivers(*mSessionAns)[1].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[1].IsStopped());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[1].IsAssociated());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].HasLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].IsStopped());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].IsAssociated());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].HasAddTrackMagic());
OfferAnswer(CHECK_SUCCESS);
// The offer's new transceiver does not pair up with the transceiver we added
ASSERT_EQ(4U, GetTransceivers(*mSessionAns).size());
ASSERT_EQ(0U, GetTransceivers(*mSessionAns)[0].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[0].IsStopped());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[0].IsAssociated());
ASSERT_EQ(1U, GetTransceivers(*mSessionAns)[1].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[1].IsStopped());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[1].IsAssociated());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].HasLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].IsStopped());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].IsAssociated());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].HasAddTrackMagic());
ASSERT_EQ(2U, GetTransceivers(*mSessionAns)[3].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[3].IsStopped());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[3].IsAssociated());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[3].HasAddTrackMagic());
}
TEST_F(JsepSessionTest, ComplicatedRemoteRollback) {
AddTracks(*mSessionOff, "audio,audio,audio,video");
AddTracks(*mSessionAns, "video,video");
std::string offer = CreateOffer();
SetLocalOffer(offer, CHECK_SUCCESS);
SetRemoteOffer(offer, CHECK_SUCCESS);
// Three recvonly for audio, one sendrecv for video, and one (unmapped) for
// the second video track.
ASSERT_EQ(5U, GetTransceivers(*mSessionAns).size());
// First video transceiver; auto matched with offer
ASSERT_EQ(3U, GetTransceivers(*mSessionAns)[0].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[0].IsStopped());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[0].IsAssociated());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[0].HasAddTrackMagic());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[0].OnlyExistsBecauseOfSetRemote());
// Second video transceiver, not matched with offer
ASSERT_FALSE(GetTransceivers(*mSessionAns)[1].HasLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[1].IsStopped());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[1].IsAssociated());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[1].HasAddTrackMagic());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[1].OnlyExistsBecauseOfSetRemote());
// Audio transceiver, created due to application of SetRemote
ASSERT_EQ(0U, GetTransceivers(*mSessionAns)[2].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].IsStopped());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[2].IsAssociated());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].HasAddTrackMagic());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[2].OnlyExistsBecauseOfSetRemote());
// Audio transceiver, created due to application of SetRemote
ASSERT_EQ(1U, GetTransceivers(*mSessionAns)[3].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[3].IsStopped());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[3].IsAssociated());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[3].HasAddTrackMagic());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[3].OnlyExistsBecauseOfSetRemote());
// Audio transceiver, created due to application of SetRemote
ASSERT_EQ(2U, GetTransceivers(*mSessionAns)[4].GetLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[4].IsStopped());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[4].IsAssociated());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[4].HasAddTrackMagic());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[4].OnlyExistsBecauseOfSetRemote());
// This will prevent rollback from eating this transceiver, even though we
// call replaceTrack(null) on it.
AddTracks(*mSessionAns, "audio");
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].HasAddTrackMagic());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].OnlyExistsBecauseOfSetRemote());
GetTransceivers(*mSessionAns)[2].mSendTrack.ClearStreamIds();
GetTransceivers(*mSessionAns)[2].mJsDirection =
SdpDirectionAttribute::Direction::kRecvonly;
// We do nothing with the second audio transceiver; when we rollback, it will
// be marked as removed.
// This will not cause the third audio transceiver to stick around; having a
// track is _not_ enough to preserve it. It must have addTrack "magic"!
GetTransceivers(*mSessionAns)[4].mSendTrack.UpdateStreamIds({"newstream"});
// Create a fourth audio transceiver. Rollback will leave it alone, since we
// created it.
mSessionAns->AddTransceiver(
JsepTransceiver(SdpMediaSection::MediaType::kAudio, mUuidGen,
SdpDirectionAttribute::Direction::kRecvonly));
ASSERT_FALSE(
mSessionAns->SetRemoteDescription(kJsepSdpRollback, "").mError.isSome());
// Two of these (3 and 4) will be marked removed, if this all worked
ASSERT_EQ(6U, GetTransceivers(*mSessionAns).size());
// First video transceiver
ASSERT_FALSE(GetTransceivers(*mSessionAns)[0].HasLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[0].IsStopped());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[0].IsAssociated());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[0].HasAddTrackMagic());
ASSERT_FALSE(IsNull(GetTransceivers(*mSessionAns)[0].mSendTrack));
ASSERT_FALSE(GetTransceivers(*mSessionAns)[0].IsRemoved());
// Second video transceiver
ASSERT_FALSE(GetTransceivers(*mSessionAns)[1].HasLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[1].IsStopped());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[1].IsAssociated());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[1].HasAddTrackMagic());
ASSERT_FALSE(IsNull(GetTransceivers(*mSessionAns)[1].mSendTrack));
ASSERT_FALSE(GetTransceivers(*mSessionAns)[1].IsRemoved());
// First audio transceiver, kept because AddTrack touched it, even though we
// removed the send track after. Gets magic because that's what other browsers
// do (ugh).
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].HasLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].IsStopped());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].IsAssociated());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[2].HasAddTrackMagic());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].OnlyExistsBecauseOfSetRemote());
ASSERT_TRUE(IsNull(GetTransceivers(*mSessionAns)[2].mSendTrack));
ASSERT_FALSE(GetTransceivers(*mSessionAns)[2].IsRemoved());
// Second audio transceiver should be gone.
ASSERT_FALSE(GetTransceivers(*mSessionAns)[3].HasLevel());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[3].IsStopped());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[3].IsAssociated());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[3].HasAddTrackMagic());
ASSERT_TRUE(IsNull(GetTransceivers(*mSessionAns)[3].mSendTrack));
ASSERT_TRUE(GetTransceivers(*mSessionAns)[3].IsRemoved());
// Third audio transceiver should also be gone.
ASSERT_FALSE(GetTransceivers(*mSessionAns)[4].HasLevel());
ASSERT_TRUE(GetTransceivers(*mSessionAns)[4].IsStopped());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[4].IsAssociated());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[4].HasAddTrackMagic());
ASSERT_TRUE(IsNull(GetTransceivers(*mSessionAns)[4].mSendTrack));
ASSERT_TRUE(GetTransceivers(*mSessionAns)[4].IsRemoved());
// Fourth audio transceiver, created after SetRemote
ASSERT_FALSE(GetTransceivers(*mSessionAns)[5].HasLevel());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[5].IsStopped());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[5].IsAssociated());
ASSERT_FALSE(GetTransceivers(*mSessionAns)[5].HasAddTrackMagic());
ASSERT_TRUE(
GetTransceivers(*mSessionAns)[5].mSendTrack.GetStreamIds().empty());
}
TEST_F(JsepSessionTest, LocalRollback) {
AddTracks(*mSessionOff, "audio,video");
AddTracks(*mSessionAns, "audio,video");
std::string offer = CreateOffer();
SetLocalOffer(offer, CHECK_SUCCESS);
ASSERT_TRUE(GetTransceivers(*mSessionOff)[0].IsAssociated());
ASSERT_TRUE(GetTransceivers(*mSessionOff)[1].IsAssociated());
ASSERT_FALSE(
mSessionOff->SetLocalDescription(kJsepSdpRollback, "").mError.isSome());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[0].IsAssociated());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[1].IsAssociated());
}
TEST_F(JsepSessionTest, JsStopsTransceiverBeforeAnswer) {
AddTracks(*mSessionOff, "audio,video");
AddTracks(*mSessionAns, "audio,video");
std::string offer = CreateOffer();
SetLocalOffer(offer, CHECK_SUCCESS);
SetRemoteOffer(offer, CHECK_SUCCESS);
std::string answer = CreateAnswer();
SetLocalAnswer(answer, CHECK_SUCCESS);
// Now JS decides to stop a transceiver. This should have absolutely no effect
// on JSEP this negotiation. Any effects will be on the JS side of things.
// JSEP _will_ advertise that negotiation is needed.
GetTransceivers(*mSessionOff)[0].Stop();
SetRemoteAnswer(answer, CHECK_SUCCESS);
ASSERT_TRUE(GetTransceivers(*mSessionOff)[0].IsStopping());
ASSERT_FALSE(GetTransceivers(*mSessionOff)[0].IsStopped());
ASSERT_EQ(1U, GetTransceivers(*mSessionOff)[0].mTransport.mComponents);
ASSERT_TRUE(GetTransceivers(*mSessionOff)[0].mSendTrack.GetActive());
ASSERT_TRUE(GetTransceivers(*mSessionOff)[0].mRecvTrack.GetActive());
ASSERT_TRUE(mSessionOff->CheckNegotiationNeeded());
}
TEST_F(JsepSessionTest, TestOfferPTAsymmetryRtxApt) {
for (auto& codec : mSessionAns->Codecs()) {
if (codec->mName == "VP8") {
JsepVideoCodecDescription* vp8 =
static_cast<JsepVideoCodecDescription*>(codec.get());
vp8->EnableRtx("42");
break;
}
}
types.push_back(SdpMediaSection::kVideo);
AddTracks(*mSessionOff, "video");
AddTracks(*mSessionAns, "video");
JsepOfferOptions options;
// Ensure that mSessionAns is appropriately configured.
std::string offer;
JsepSession::Result result = mSessionAns->CreateOffer(options, &offer);
ASSERT_FALSE(result.mError.isSome());
ASSERT_NE(std::string::npos, offer.find("a=rtpmap:42 rtx")) << offer;
OfferAnswer();
// Answerer should use what the offerer suggested
UniquePtr<JsepCodecDescription> codec;
GetCodec(*mSessionAns, 0, sdp::kSend, 0, 0, &codec);
ASSERT_TRUE(codec);
ASSERT_EQ("VP8", codec->mName);
JsepVideoCodecDescription* vp8 =
static_cast<JsepVideoCodecDescription*>(codec.get());
ASSERT_EQ("120", vp8->mDefaultPt);
ASSERT_EQ("124", vp8->mRtxPayloadType);
GetCodec(*mSessionAns, 0, sdp::kRecv, 0, 0, &codec);
ASSERT_TRUE(codec);
ASSERT_EQ("VP8", codec->mName);
vp8 = static_cast<JsepVideoCodecDescription*>(codec.get());
ASSERT_EQ("120", vp8->mDefaultPt);
ASSERT_EQ("124", vp8->mRtxPayloadType);
// Answerer should not change back when it reoffers
result = mSessionAns->CreateOffer(options, &offer);
ASSERT_FALSE(result.mError.isSome());
ASSERT_NE(std::string::npos, offer.find("a=rtpmap:124 rtx")) << offer;
}
TEST_F(JsepSessionTest, TestAnswerPTAsymmetryRtx) {
// JsepSessionImpl will never answer with an asymmetric payload type
// (tested in TestOfferPTAsymmetry), so we have to rewrite SDP a little.
types.push_back(SdpMediaSection::kVideo);
AddTracks(*mSessionOff, "video");
AddTracks(*mSessionAns, "video");
std::string offer = CreateOffer();
SetLocalOffer(offer);
Replace("a=rtpmap:120 VP8", "a=rtpmap:119 VP8", &offer);
Replace("m=video 9 UDP/TLS/RTP/SAVPF 120", "m=video 9 UDP/TLS/RTP/SAVPF 119",
&offer);
ReplaceAll("a=fmtp:120", "a=fmtp:119", &offer);
ReplaceAll("a=fmtp:122 120", "a=fmtp:122 119", &offer);
ReplaceAll("a=fmtp:124 apt=120", "a=fmtp:124 apt=119", &offer);
ReplaceAll("a=rtcp-fb:120", "a=rtcp-fb:119", &offer);
SetRemoteOffer(offer);
std::string answer = CreateAnswer();
SetLocalAnswer(answer);
SetRemoteAnswer(answer);
UniquePtr<JsepCodecDescription> codec;
GetCodec(*mSessionOff, 0, sdp::kSend, 0, 0, &codec);
ASSERT_TRUE(codec);
ASSERT_EQ("VP8", codec->mName);
ASSERT_EQ("119", codec->mDefaultPt);
JsepVideoCodecDescription* vp8 =
static_cast<JsepVideoCodecDescription*>(codec.get());
ASSERT_EQ("124", vp8->mRtxPayloadType);
GetCodec(*mSessionOff, 0, sdp::kRecv, 0, 0, &codec);
ASSERT_TRUE(codec);
ASSERT_EQ("VP8", codec->mName);
ASSERT_EQ("120", codec->mDefaultPt);
vp8 = static_cast<JsepVideoCodecDescription*>(codec.get());
ASSERT_EQ("124", vp8->mRtxPayloadType);
GetCodec(*mSessionAns, 0, sdp::kSend, 0, 0, &codec);
ASSERT_TRUE(codec);
ASSERT_EQ("VP8", codec->mName);
ASSERT_EQ("119", codec->mDefaultPt);
vp8 = static_cast<JsepVideoCodecDescription*>(codec.get());
ASSERT_EQ("124", vp8->mRtxPayloadType);
GetCodec(*mSessionAns, 0, sdp::kRecv, 0, 0, &codec);
ASSERT_TRUE(codec);
ASSERT_EQ("VP8", codec->mName);
ASSERT_EQ("119", codec->mDefaultPt);
vp8 = static_cast<JsepVideoCodecDescription*>(codec.get());
ASSERT_EQ("124", vp8->mRtxPayloadType);
}
TEST_F(JsepSessionTest, TestAnswerPTAsymmetryRtxApt) {
// JsepSessionImpl will never answer with an asymmetric payload type
// so we have to rewrite SDP a little.
types.push_back(SdpMediaSection::kVideo);
AddTracks(*mSessionOff, "video");
AddTracks(*mSessionAns, "video");
std::string offer = CreateOffer();
SetLocalOffer(offer);
Replace("a=rtpmap:124 rtx", "a=rtpmap:42 rtx", &offer);
Replace("m=video 9 UDP/TLS/RTP/SAVPF 120 124",
"m=video 9 UDP/TLS/RTP/SAVPF 120 42", &offer);
ReplaceAll("a=fmtp:124", "a=fmtp:42", &offer);
SetRemoteOffer(offer);
std::string answer = CreateAnswer();
SetLocalAnswer(answer);
SetRemoteAnswer(answer);
UniquePtr<JsepCodecDescription> codec;
GetCodec(*mSessionOff, 0, sdp::kSend, 0, 0, &codec);
ASSERT_TRUE(codec);
ASSERT_EQ("VP8", codec->mName);
ASSERT_EQ("120", codec->mDefaultPt);
JsepVideoCodecDescription* vp8 =
static_cast<JsepVideoCodecDescription*>(codec.get());
ASSERT_EQ("42", vp8->mRtxPayloadType);
GetCodec(*mSessionOff, 0, sdp::kRecv, 0, 0, &codec);
ASSERT_TRUE(codec);
ASSERT_EQ("VP8", codec->mName);
ASSERT_EQ("120", codec->mDefaultPt);
vp8 = static_cast<JsepVideoCodecDescription*>(codec.get());
ASSERT_EQ("124", vp8->mRtxPayloadType);
GetCodec(*mSessionAns, 0, sdp::kSend, 0, 0, &codec);
ASSERT_TRUE(codec);
ASSERT_EQ("VP8", codec->mName);
vp8 = static_cast<JsepVideoCodecDescription*>(codec.get());
ASSERT_EQ("120", vp8->mDefaultPt);
ASSERT_EQ("42", vp8->mRtxPayloadType);
GetCodec(*mSessionAns, 0, sdp::kRecv, 0, 0, &codec);
ASSERT_TRUE(codec);
ASSERT_EQ("VP8", codec->mName);
vp8 = static_cast<JsepVideoCodecDescription*>(codec.get());
ASSERT_EQ("120", vp8->mDefaultPt);
ASSERT_EQ("42", vp8->mRtxPayloadType);
}
TEST_F(JsepSessionTest, TestOfferNoRtx) {
for (auto& codec : mSessionOff->Codecs()) {
if (codec->Type() == SdpMediaSection::kVideo) {
JsepVideoCodecDescription* videoCodec =
static_cast<JsepVideoCodecDescription*>(codec.get());
videoCodec->mRtxEnabled = false;
}
}
types.push_back(SdpMediaSection::kVideo);
AddTracks(*mSessionOff, "video");
AddTracks(*mSessionAns, "video");
JsepOfferOptions options;
std::string offer;
JsepSession::Result result = mSessionOff->CreateOffer(options, &offer);
ASSERT_FALSE(result.mError.isSome());
ASSERT_EQ(std::string::npos, offer.find("rtx")) << offer;
OfferAnswer();
// Answerer should use what the offerer suggested
UniquePtr<JsepCodecDescription> codec;
for (size_t i = 0; i < 4; ++i) {
GetCodec(*mSessionAns, 0, sdp::kSend, 0, i, &codec);
ASSERT_TRUE(codec);
JsepVideoCodecDescription* videoCodec =
static_cast<JsepVideoCodecDescription*>(codec.get());
ASSERT_FALSE(videoCodec->mRtxEnabled);
GetCodec(*mSessionAns, 0, sdp::kRecv, 0, i, &codec);
ASSERT_TRUE(codec);
videoCodec = static_cast<JsepVideoCodecDescription*>(codec.get());
ASSERT_FALSE(videoCodec->mRtxEnabled);
}
}
TEST_F(JsepSessionTest, TestOneWayRtx) {
for (auto& codec : mSessionAns->Codecs()) {
if (codec->Type() == SdpMediaSection::kVideo) {
JsepVideoCodecDescription* videoCodec =
static_cast<JsepVideoCodecDescription*>(codec.get());
videoCodec->mRtxEnabled = false;
}
}
types.push_back(SdpMediaSection::kVideo);
AddTracks(*mSessionOff, "video");
AddTracks(*mSessionAns, "video");
JsepOfferOptions options;
std::string offer;
JsepSession::Result result = mSessionAns->CreateOffer(options, &offer);
ASSERT_FALSE(result.mError.isSome());
ASSERT_EQ(std::string::npos, offer.find("rtx")) << offer;
OfferAnswer();
// If the answerer does not support rtx, the offerer should not send it,
// but it is too late to turn off recv on the offerer side.
UniquePtr<JsepCodecDescription> codec;
for (size_t i = 0; i < 4; ++i) {
GetCodec(*mSessionOff, 0, sdp::kSend, 0, i, &codec);
ASSERT_TRUE(codec);
JsepVideoCodecDescription* videoCodec =
static_cast<JsepVideoCodecDescription*>(codec.get());
ASSERT_FALSE(videoCodec->mRtxEnabled);
GetCodec(*mSessionOff, 0, sdp::kRecv, 0, i, &codec);
ASSERT_TRUE(codec);
videoCodec = static_cast<JsepVideoCodecDescription*>(codec.get());
ASSERT_TRUE(videoCodec->mRtxEnabled);
}
}
TEST_F(JsepSessionTest, TestRtxNoSsrcGroup) {
mSessionOff->AddTransceiver(JsepTransceiver(
SdpMediaSection::kVideo, mUuidGen, SdpDirectionAttribute::kRecvonly));
OfferAnswer(CHECK_SUCCESS);
std::string offer = mSessionOff->GetLocalDescription(kJsepDescriptionCurrent);
ASSERT_EQ(std::string::npos, offer.find("FID")) << offer;
std::string answer =
mSessionOff->GetRemoteDescription(kJsepDescriptionCurrent);
ASSERT_EQ(std::string::npos, answer.find("FID")) << answer;
}
TEST_F(JsepSessionTest, TestRtxSsrcGroupOnlyOffered) {
mSessionOff->AddTransceiver(JsepTransceiver(
SdpMediaSection::kVideo, mUuidGen, SdpDirectionAttribute::kSendonly));
OfferAnswer(CHECK_SUCCESS);
std::string offer = mSessionOff->GetLocalDescription(kJsepDescriptionCurrent);
ASSERT_NE(std::string::npos, offer.find("FID")) << offer;
std::string answer =
mSessionOff->GetRemoteDescription(kJsepDescriptionCurrent);
ASSERT_EQ(std::string::npos, answer.find("FID")) << answer;
}
TEST_F(JsepSessionTest, TestOfferRtxNoMsid) {
for (auto& codec : mSessionOff->Codecs()) {
if (codec->mName == "VP8") {
JsepVideoCodecDescription* vp8 =
static_cast<JsepVideoCodecDescription*>(codec.get());
vp8->EnableRtx("42");
break;
}
}
types.push_back(SdpMediaSection::kVideo);
AddTracks(*mSessionOff, "video");
mSessionOff->ForEachTransceiver([this](JsepTransceiver& aTransceiver) {
if (!IsNull(aTransceiver.mSendTrack)) {
std::vector<std::string> empty;
aTransceiver.mSendTrack.UpdateStreamIds(empty);
}
});
// MSID stream absence should not influence FID ssrc-group
JsepOfferOptions options;
std::string offer;
JsepSession::Result result = mSessionOff->CreateOffer(options, &offer);
ASSERT_FALSE(result.mError.isSome());
ASSERT_NE(std::string::npos, offer.find("FID")) << offer;
}
TEST_F(JsepSessionTest, TestRedRtxAddedToVideoCodec) {
types.push_back(SdpMediaSection::kVideo);
AddTracks(*mSessionOff, "video");
AddTracks(*mSessionAns, "video");
OfferAnswer();
std::vector<sdp::Direction> directions = {sdp::kSend, sdp::kRecv};
for (auto direction : directions) {
UniquePtr<JsepCodecDescription> codec;
std::set<std::string> payloadTypes;
std::string redPt, ulpfecPt, redRtxPt;
for (size_t i = 0; i < 4; ++i) {
GetCodec(*mSessionOff, 0, direction, 0, i, &codec);
ASSERT_TRUE(codec);
JsepVideoCodecDescription* videoCodec =
static_cast<JsepVideoCodecDescription*>(codec.get());
// Ensure RED, ULPFEC, and RTX RED are not empty which validates that
// EnableFEC worked.
ASSERT_FALSE(videoCodec->mREDPayloadType.empty());
ASSERT_FALSE(videoCodec->mULPFECPayloadType.empty());
ASSERT_FALSE(videoCodec->mREDRTXPayloadType.empty());
ASSERT_TRUE(payloadTypes.insert(videoCodec->mDefaultPt).second);
ASSERT_TRUE(payloadTypes.insert(videoCodec->mRtxPayloadType).second);
// ULPFEC, RED, and RED RTX payload types are the same for each codec, so
// we only check them for the first one.
if (i == 0) {
ASSERT_TRUE(payloadTypes.insert(videoCodec->mREDPayloadType).second)
<< "RED is using a duplicate payload type.";
ASSERT_TRUE(payloadTypes.insert(videoCodec->mULPFECPayloadType).second)
<< "ULPFEC is using a duplicate payload type.";
ASSERT_TRUE(payloadTypes.insert(videoCodec->mREDRTXPayloadType).second)
<< "RED RTX is using a duplicate payload type.";
redPt = videoCodec->mREDPayloadType;
ulpfecPt = videoCodec->mULPFECPayloadType;
redRtxPt = videoCodec->mREDRTXPayloadType;
} else {
ASSERT_TRUE(redPt == videoCodec->mREDPayloadType);
ASSERT_TRUE(ulpfecPt == videoCodec->mULPFECPayloadType);
ASSERT_TRUE(redRtxPt == videoCodec->mREDRTXPayloadType);
}
}
}
}
TEST_P(JsepSessionTest, TestNegotiatedDetailsToVideoCodecConfigs) {
AddTracks(*mSessionOff);
AddTracks(*mSessionAns);
OfferAnswer();
// Check all the video tracks to ensure negotiated details is added to
// VideoCodecConfig. Especially information related to FEC, RED, and RED RTX.
std::vector<JsepTrack> tracks;
for (const auto& transceiver : GetTransceivers(*mSessionOff)) {
tracks.push_back(transceiver.mSendTrack);
tracks.push_back(transceiver.mRecvTrack);
}
for (const JsepTrack& track : tracks) {
if (track.GetMediaType() != SdpMediaSection::kVideo) {
continue;
}
const auto& details(*track.GetNegotiatedDetails());
std::vector<VideoCodecConfig> videoConfigs;
dom::RTCRtpTransceiver::NegotiatedDetailsToVideoCodecConfigs(details,
&videoConfigs);
ASSERT_FALSE(videoConfigs.empty());
ASSERT_EQ(1U, details.GetEncodingCount());
const JsepTrackEncoding& encoding = details.GetEncoding(0);
ASSERT_EQ(encoding.GetCodecs().size(), videoConfigs.size());
// Since encodings and videoConfigs is the same size and order we can loop
// through them both at the same time and validate that videoConfigs
// contains the expected encoding data from negotiated details.
for (unsigned int i = 0; i < videoConfigs.size(); i++) {
const JsepVideoCodecDescription& codec =
static_cast<const JsepVideoCodecDescription&>(
*encoding.GetCodecs().at(i));
const auto& config = videoConfigs.at(i);
uint16_t payloadType;
ASSERT_TRUE(codec.GetPtAsInt(&payloadType));
ASSERT_EQ(payloadType, config.mType);
ASSERT_EQ(codec.mName, config.mName);
ASSERT_EQ(codec.RtcpFbRembIsSet(), config.mRembFbSet);
ASSERT_EQ(codec.mFECEnabled, config.mFECFbSet);
ASSERT_EQ(codec.RtcpFbTransportCCIsSet(), config.mTransportCCFbSet);
ASSERT_EQ(details.GetTias(), config.mTias);
ASSERT_EQ(codec.mConstraints, config.mEncodingConstraints);
if (codec.mName == "H264") {
ASSERT_EQ((codec.mProfileLevelId & 0x00FF0000) >> 16, config.mProfile);
ASSERT_EQ((codec.mProfileLevelId & 0x0000FF00) >> 8,
config.mConstraints);
ASSERT_EQ(codec.mProfileLevelId & 0x000000FF, config.mLevel);
ASSERT_EQ(codec.mPacketizationMode, config.mPacketizationMode);
ASSERT_EQ(codec.mSpropParameterSets, config.mSpropParameterSets);
}
if (codec.mFECEnabled) {
uint16_t redPayloadType, ulpFecPayloadType, redRtxPayloadType;
ASSERT_TRUE(
SdpHelper::GetPtAsInt(codec.mREDPayloadType, &redPayloadType));
ASSERT_TRUE(SdpHelper::GetPtAsInt(codec.mULPFECPayloadType,
&ulpFecPayloadType));
ASSERT_TRUE(SdpHelper::GetPtAsInt(codec.mREDRTXPayloadType,
&redRtxPayloadType));
ASSERT_EQ(redPayloadType, config.mREDPayloadType);
ASSERT_EQ(ulpFecPayloadType, config.mULPFECPayloadType);
ASSERT_EQ(redRtxPayloadType, config.mREDRTXPayloadType);
}
if (codec.mRtxEnabled) {
uint16_t rtxPayloadType;
ASSERT_TRUE(
SdpHelper::GetPtAsInt(codec.mRtxPayloadType, &rtxPayloadType));
ASSERT_EQ(rtxPayloadType, config.mRTXPayloadType);
}
}
}
}
TEST_F(JsepSessionTest, TestDuplicatePayloadTypes) {
for (auto& codec : mSessionOff->Codecs()) {
if (codec->Type() == SdpMediaSection::kVideo) {
JsepVideoCodecDescription* videoCodec =
static_cast<JsepVideoCodecDescription*>(codec.get());
videoCodec->mRtxPayloadType = "97";
videoCodec->EnableFec("97", "97", "97");
}
}
types.push_back(SdpMediaSection::kVideo);
AddTracks(*mSessionOff, "video");
AddTracks(*mSessionAns, "video");
OfferAnswer();
std::vector<sdp::Direction> directions = {sdp::kSend, sdp::kRecv};
for (auto direction : directions) {
UniquePtr<JsepCodecDescription> codec;
std::set<std::string> payloadTypes;
std::string redPt, ulpfecPt, redRtxPt;
for (size_t i = 0; i < 4; ++i) {
GetCodec(*mSessionOff, 0, direction, 0, i, &codec);
ASSERT_TRUE(codec);
JsepVideoCodecDescription* videoCodec =
static_cast<JsepVideoCodecDescription*>(codec.get());
ASSERT_TRUE(payloadTypes.insert(videoCodec->mDefaultPt).second);
ASSERT_TRUE(payloadTypes.insert(videoCodec->mRtxPayloadType).second);
// ULPFEC and RED payload types are the same for each codec, so we only
// check them for the first one.
if (i == 0) {
ASSERT_TRUE(payloadTypes.insert(videoCodec->mREDPayloadType).second);
ASSERT_TRUE(payloadTypes.insert(videoCodec->mULPFECPayloadType).second);
ASSERT_TRUE(payloadTypes.insert(videoCodec->mREDRTXPayloadType).second);
redPt = videoCodec->mREDPayloadType;
ulpfecPt = videoCodec->mULPFECPayloadType;
redRtxPt = videoCodec->mREDRTXPayloadType;
} else {
ASSERT_TRUE(redPt == videoCodec->mREDPayloadType);
ASSERT_TRUE(ulpfecPt == videoCodec->mULPFECPayloadType);
ASSERT_TRUE(redRtxPt == videoCodec->mREDRTXPayloadType);
}
}
}
}
TEST_F(JsepSessionTest, TestTransportAttributeValidation) {
const std::string sdpTemplate =
"v=0\r\n"
"o=- 6 2 IN IP4 1r\r\n"
"t=0 0a\r\n"
"a=group:BUNDLE audio video\r\n"
"m=audio 9 UDP/TLS/RTP/SAVPF 111\r\n"
"c=IN IP4 51.81.107.13\r\n"
"a=ice-ufrag:Xp\r\n"
"a=ice-pwd:he\r\n"
"a=setup:actpass\r\n"
"a=fingerprint:sha-256 "
"DC:FC:25:56:2B:88:77:2F:E4:FA:97:4E:2E:F1:D6:34:A6:A0:11:E2:E4:38:B3:98:"
"08:D2:F7:9D:F5:E2:C1:15\r\n"
"a=sendrecv\r\n"
"a=extmap:11 urn:ietf:params:rtp-hdrext:ssrc-audio-level\r\n"
"a=fmtp:111 maxplaybackrate=48000;stereo=1;useinbandfec=1\r\n"
"a=mid:audio\r\n"
"a=rtcp-mux\r\n"
"a=rtpmap:111 opus/48000/2\r\n"
"a=ssrc:3463672643 cname:{ec9a356a-8d2c-504e-9977-99070a51f929}\r\n"
"m=video 9 UDP/TLS/RTP/SAVPF 100\r\n"
"c=IN IP4 51.81.107.13\r\n"
"a=rtpmap:100 VP8/90000\r\n"
"a=extmap:1 urn:ietf:params:rtp-hdrext:toffset\r\n"
"a=mid:video\r\n"
"a=ice-ufrag:Xp\r\n"
"a=ice-pwd:he\r\n"
"a=setup:actpass\r\n"
"a=fingerprint:sha-256 "
"DC:FC:25:56:2B:88:77:2F:E4:FA:97:4E:2E:F1:D6:34:A6:A0:11:E2:E4:38:B3:98:"
"08:D2:F7:9D:F5:E2:C1:15\r\n";
// Control case
{
auto result = mSessionOff->SetRemoteDescription(kJsepSdpOffer, sdpTemplate);
ASSERT_FALSE(result.mError.isSome());
}
// Missing ufrag
{
UniquePtr<Sdp> parsed = Parse(sdpTemplate);
parsed->GetMediaSection(0).GetAttributeList().RemoveAttribute(
SdpAttribute::kIceUfragAttribute);
auto sdp = parsed->ToString();
auto result = mSessionOff->SetRemoteDescription(kJsepSdpOffer, sdp);
ASSERT_TRUE(result.mError.isSome());
}
// Missing pwd, bundle tag
{
UniquePtr<Sdp> parsed = Parse(sdpTemplate);
parsed->GetMediaSection(0).GetAttributeList().RemoveAttribute(
SdpAttribute::kIcePwdAttribute);
auto sdp = parsed->ToString();
auto result = mSessionOff->SetRemoteDescription(kJsepSdpOffer, sdp);
ASSERT_TRUE(result.mError.isSome());
}
// Missing setup, bundle tag
{
UniquePtr<Sdp> parsed = Parse(sdpTemplate);
parsed->GetMediaSection(0).GetAttributeList().RemoveAttribute(
SdpAttribute::kSetupAttribute);
auto sdp = parsed->ToString();
auto result = mSessionOff->SetRemoteDescription(kJsepSdpOffer, sdp);
ASSERT_TRUE(result.mError.isSome());
}
// Invalid setup attribute (holdconn), bundle tag
{
UniquePtr<Sdp> parsed = Parse(sdpTemplate);
parsed->GetMediaSection(0).GetAttributeList().SetAttribute(
new SdpSetupAttribute(SdpSetupAttribute::kHoldconn));
auto sdp = parsed->ToString();
auto result = mSessionOff->SetRemoteDescription(kJsepSdpOffer, sdp);
ASSERT_TRUE(result.mError.isSome());
}
// Missing fingerprint, bundle tag
{
UniquePtr<Sdp> parsed = Parse(sdpTemplate);
parsed->GetMediaSection(0).GetAttributeList().RemoveAttribute(
SdpAttribute::kFingerprintAttribute);
auto sdp = parsed->ToString();
auto result = mSessionOff->SetRemoteDescription(kJsepSdpOffer, sdp);
ASSERT_TRUE(result.mError.isSome());
}
// Unknown fingerprint algorithm
{
std::string mungedSdp = sdpTemplate;
ReplaceAll("fingerprint:sha", "fingerprint:foo", &mungedSdp);
UniquePtr<Sdp> parsed = Parse(mungedSdp);
auto sdp = parsed->ToString();
auto result = mSessionOff->SetRemoteDescription(kJsepSdpOffer, sdp);
ASSERT_TRUE(result.mError.isSome());
}
// Missing pwd, bundled msection without bundle-only
{
UniquePtr<Sdp> parsed = Parse(sdpTemplate);
parsed->GetMediaSection(1).GetAttributeList().RemoveAttribute(
SdpAttribute::kIcePwdAttribute);
auto sdp = parsed->ToString();
auto result = mSessionOff->SetRemoteDescription(kJsepSdpOffer, sdp);
ASSERT_TRUE(result.mError.isSome());
}
// Missing setup, bundled msection without bundle-only
{
UniquePtr<Sdp> parsed = Parse(sdpTemplate);
parsed->GetMediaSection(1).GetAttributeList().RemoveAttribute(
SdpAttribute::kSetupAttribute);
auto sdp = parsed->ToString();
auto result = mSessionOff->SetRemoteDescription(kJsepSdpOffer, sdp);
ASSERT_TRUE(result.mError.isSome());
}
// Missing fingerprint, bundled msection without bundle-only
{
UniquePtr<Sdp> parsed = Parse(sdpTemplate);
parsed->GetMediaSection(1).GetAttributeList().RemoveAttribute(
SdpAttribute::kFingerprintAttribute);
auto sdp = parsed->ToString();
auto result = mSessionOff->SetRemoteDescription(kJsepSdpOffer, sdp);
ASSERT_TRUE(result.mError.isSome());
}
// Missing ufrag attribute, bundle-only msection
{
UniquePtr<Sdp> parsed = Parse(sdpTemplate);
parsed->GetMediaSection(1).GetAttributeList().RemoveAttribute(
SdpAttribute::kIceUfragAttribute);
parsed->GetMediaSection(1).GetAttributeList().SetAttribute(
new SdpFlagAttribute(SdpAttribute::kBundleOnlyAttribute));
auto sdp = parsed->ToString();
auto result = mSessionOff->SetRemoteDescription(kJsepSdpOffer, sdp);
ASSERT_FALSE(result.mError.isSome());
}
// Missing pwd attribute, bundle-only msection
{
UniquePtr<Sdp> parsed = Parse(sdpTemplate);
parsed->GetMediaSection(1).GetAttributeList().RemoveAttribute(
SdpAttribute::kIcePwdAttribute);
parsed->GetMediaSection(1).GetAttributeList().SetAttribute(
new SdpFlagAttribute(SdpAttribute::kBundleOnlyAttribute));
auto sdp = parsed->ToString();
auto result = mSessionOff->SetRemoteDescription(kJsepSdpOffer, sdp);
ASSERT_FALSE(result.mError.isSome());
}
// Missing fingerprint attribute, bundle-only msection
{
UniquePtr<Sdp> parsed = Parse(sdpTemplate);
parsed->GetMediaSection(1).GetAttributeList().RemoveAttribute(
SdpAttribute::kFingerprintAttribute);
parsed->GetMediaSection(1).GetAttributeList().SetAttribute(
new SdpFlagAttribute(SdpAttribute::kBundleOnlyAttribute));
auto sdp = parsed->ToString();
auto result = mSessionOff->SetRemoteDescription(kJsepSdpOffer, sdp);
ASSERT_FALSE(result.mError.isSome());
}
}
TEST_F(JsepSessionTest, TestBundleSupportWithZeroPort) {
AddTracks(*mSessionOff, "audio,video,video,datachannel");
AddTracks(*mSessionAns, "audio,video,video,datachannel");
std::string offer;
mSessionOff->CreateOffer(JsepOfferOptions(), &offer);
mSessionOff->SetLocalDescription(kJsepSdpOffer, offer);
mSessionAns->SetRemoteDescription(kJsepSdpOffer, offer);
std::string answer;
mSessionAns->CreateAnswer(JsepAnswerOptions(), &answer);
// Manipulate the bundling on the answer
UniquePtr<Sdp> sdp(Parse(answer));
ASSERT_TRUE(!!sdp);
size_t num_m_sections = sdp->GetMediaSectionCount();
for (size_t i = 0; i < num_m_sections; ++i) {
auto& msection = sdp->GetMediaSection(i);
const SdpAttributeList& attrs = msection.GetAttributeList();
// If this is not the last msection then ensure we have bundle only set and
// port 0.
if (!attrs.HasAttribute(SdpAttribute::kBundleOnlyAttribute) &&
i < num_m_sections - 1) {
sdp->GetMediaSection(i).GetAttributeList().SetAttribute(
new SdpFlagAttribute(SdpAttribute::kBundleOnlyAttribute));
sdp->GetMediaSection(i).SetPort(0);
} else {
// For the last msection setting port to non 0 and removing bundle only if
// it existed.
if (attrs.HasAttribute(SdpAttribute::kBundleOnlyAttribute)) {
sdp->GetMediaSection(i).GetAttributeList().RemoveAttribute(
SdpAttribute::kBundleOnlyAttribute);
}
sdp->GetMediaSection(i).SetPort(9);
}
}
auto answerSdp = sdp->ToString();
mSessionOff->SetRemoteDescription(kJsepSdpAnswer, answerSdp);
for (const auto offerTransceiver : GetTransceivers(*mSessionOff)) {
ASSERT_TRUE(offerTransceiver.mRecvTrack.GetActive());
ASSERT_TRUE(offerTransceiver.mSendTrack.GetActive());
}
}
} // namespace mozilla