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Renamed createTrack() to addTrack() and added addDataChannel()

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This commit is contained in:
Paul-Louis Ageneau
2020-09-18 23:01:50 +02:00
parent 6a876dda49
commit a1721268a2
7 changed files with 48 additions and 29 deletions
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2
examples/media/main.cpp
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@ -65,7 +65,7 @@ int main() {
media.setBitrate(
3000); // Request 3Mbps (Browsers do not encode more than 2.5MBps from a webcam)
auto track = pc->createTrack(media);
auto track = pc->addTrack(media);
auto session = std::make_shared<rtc::RtcpSession>();
track->setRtcpHandler(session);

6
include/rtc/peerconnection.hpp
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@ -86,6 +86,10 @@ public:
void setRemoteDescription(Description description);
void addRemoteCandidate(Candidate candidate);
std::shared_ptr<DataChannel> addDataChannel(string label, string protocol = "",
Reliability reliability = {});
// Equivalent to calling addDataChannel() and setLocalDescription()
std::shared_ptr<DataChannel> createDataChannel(string label, string protocol = "",
Reliability reliability = {});
@ -102,7 +106,7 @@ public:
std::optional<std::chrono::milliseconds> rtt();
// Track media support requires compiling with libSRTP
std::shared_ptr<Track> createTrack(Description::Media description);
std::shared_ptr<Track> addTrack(Description::Media description);
void onTrack(std::function<void(std::shared_ptr<Track> track)> callback);
// libnice only

6
include/rtc/rtc.h
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@ -119,6 +119,10 @@ RTC_EXPORT int rtcGetRemoteAddress(int pc, char *buffer, int size);
// DataChannel
RTC_EXPORT int rtcSetDataChannelCallback(int pc, rtcDataChannelCallbackFunc cb);
RTC_EXPORT int rtcAddDataChannel(int pc, const char *label); // returns dc id
RTC_EXPORT int rtcAddDataChannelExt(int pc, const char *label, const char *protocol,
const rtcReliability *reliability); // returns dc id
// Equivalent to calling rtcAddDataChannel() and rtcSetLocalDescription()
RTC_EXPORT int rtcCreateDataChannel(int pc, const char *label); // returns dc id
RTC_EXPORT int rtcCreateDataChannelExt(int pc, const char *label, const char *protocol,
const rtcReliability *reliability); // returns dc id
@ -130,7 +134,7 @@ RTC_EXPORT int rtcGetDataChannelReliability(int dc, rtcReliability *reliability)
// Track
RTC_EXPORT int rtcSetTrackCallback(int pc, rtcTrackCallbackFunc cb);
RTC_EXPORT int rtcCreateTrack(int pc, const char *mediaDescriptionSdp); // returns tr id
RTC_EXPORT int rtcAddTrack(int pc, const char *mediaDescriptionSdp); // returns tr id
RTC_EXPORT int rtcDeleteTrack(int tr);
RTC_EXPORT int rtcGetTrackDescription(int tr, char *buffer, int size);

26
src/peerconnection.cpp
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@ -85,8 +85,9 @@ std::optional<Description> PeerConnection::remoteDescription() const {
void PeerConnection::setLocalDescription() {
PLOG_VERBOSE << "Setting local description";
if (std::atomic_load(&mIceTransport))
throw std::logic_error("Local description is already set");
if (std::atomic_load(&mIceTransport)) {
PLOG_DEBUG << "Local description is already set";
}
// RFC 5763: The endpoint that is the offerer MUST use the setup attribute value of
// setup:actpass.
@ -197,7 +198,7 @@ std::optional<string> PeerConnection::remoteAddress() const {
return iceTransport ? iceTransport->getRemoteAddress() : nullopt;
}
shared_ptr<DataChannel> PeerConnection::createDataChannel(string label, string protocol,
shared_ptr<DataChannel> PeerConnection::addDataChannel(string label, string protocol,
Reliability reliability) {
if (auto local = localDescription(); local && !local->hasApplication()) {
PLOG_ERROR << "The PeerConnection was negociated without DataChannel support.";
@ -214,18 +215,17 @@ shared_ptr<DataChannel> PeerConnection::createDataChannel(string label, string p
auto channel =
emplaceDataChannel(role, std::move(label), std::move(protocol), std::move(reliability));
if (!iceTransport) {
// RFC 5763: The endpoint that is the offerer MUST use the setup attribute value of
// setup:actpass.
// See https://tools.ietf.org/html/rfc5763#section-5
iceTransport = initIceTransport(Description::Role::ActPass);
processLocalDescription(iceTransport->getLocalDescription(Description::Type::Offer));
iceTransport->gatherLocalCandidates();
} else {
if (auto transport = std::atomic_load(&mSctpTransport))
if (transport->state() == SctpTransport::State::Connected)
channel->open(transport);
}
return channel;
}
shared_ptr<DataChannel> PeerConnection::createDataChannel(string label, string protocol,
Reliability reliability) {
auto channel = addDataChannel(label, protocol, reliability);
setLocalDescription();
return channel;
}
@ -255,7 +255,7 @@ bool PeerConnection::hasMedia() const {
return local && local->hasAudioOrVideo();
}
std::shared_ptr<Track> PeerConnection::createTrack(Description::Media description) {
std::shared_ptr<Track> PeerConnection::addTrack(Description::Media description) {
if (localDescription())
throw std::logic_error("Tracks must be created before local description");

23
src/rtc.cpp
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@ -268,11 +268,11 @@ int rtcDeletePeerConnection(int pc) {
});
}
int rtcCreateDataChannel(int pc, const char *label) {
return rtcCreateDataChannelExt(pc, label, nullptr, nullptr);
int rtcAddDataChannel(int pc, const char *label) {
return rtcAddDataChannelExt(pc, label, nullptr, nullptr);
}
int rtcCreateDataChannelExt(int pc, const char *label, const char *protocol,
int rtcAddDataChannelExt(int pc, const char *label, const char *protocol,
const rtcReliability *reliability) {
return WRAP({
Reliability r = {};
@ -291,7 +291,7 @@ int rtcCreateDataChannelExt(int pc, const char *label, const char *protocol,
}
}
auto peerConnection = getPeerConnection(pc);
int dc = emplaceDataChannel(peerConnection->createDataChannel(
int dc = emplaceDataChannel(peerConnection->addDataChannel(
string(label ? label : ""), string(protocol ? protocol : ""), r));
if (auto ptr = getUserPointer(pc))
rtcSetUserPointer(dc, *ptr);
@ -299,6 +299,17 @@ int rtcCreateDataChannelExt(int pc, const char *label, const char *protocol,
});
}
int rtcCreateDataChannel(int pc, const char *label) {
return rtcCreateDataChannelExt(pc, label, nullptr, nullptr);
}
int rtcCreateDataChannelExt(int pc, const char *label, const char *protocol,
const rtcReliability *reliability) {
int dc = rtcAddDataChannelExt(pc, label, protocol, reliability);
rtcSetLocalDescription(pc);
return dc;
}
int rtcDeleteDataChannel(int dc) {
return WRAP({
auto dataChannel = getDataChannel(dc);
@ -313,13 +324,13 @@ int rtcDeleteDataChannel(int dc) {
});
}
int rtcCreateTrack(int pc, const char *mediaDescriptionSdp) {
int rtcAddTrack(int pc, const char *mediaDescriptionSdp) {
if (!mediaDescriptionSdp)
throw std::invalid_argument("Unexpected null pointer for track media description");
auto peerConnection = getPeerConnection(pc);
Description::Media media{string(mediaDescriptionSdp)};
int tr = emplaceTrack(peerConnection->createTrack(std::move(media)));
int tr = emplaceTrack(peerConnection->addTrack(std::move(media)));
if (auto ptr = getUserPointer(pc))
rtcSetUserPointer(tr, *ptr);
return tr;

2
test/capi_track.cpp
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@ -151,7 +151,7 @@ int test_capi_track_main() {
goto error;
// Peer 1: Create track
peer1->tr = rtcCreateTrack(peer1->pc, mediaDescription);
peer1->tr = rtcAddTrack(peer1->pc, mediaDescription);
rtcSetOpenCallback(peer1->tr, openCallback);
rtcSetClosedCallback(peer1->tr, closedCallback);

2
test/track.cpp
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@ -102,7 +102,7 @@ void test_track() {
std::atomic_store(&t2, t);
});
auto t1 = pc1->createTrack(Description::Video("test"));
auto t1 = pc1->addTrack(Description::Video("test"));
pc1->setLocalDescription();