Add support for JSEP offer/answer with transceivers

This change adds support to PeerConnection's CreateOffer/
CreateAnswer/SetLocalDescription/SetRemoteDescription for
Unified Plan SDP mapping to/from RtpTransceivers. This behavior
is enabled using the kUnifiedPlan SDP semantics in the
PeerConnection configuration.

Bug: webrtc:7600
Change-Id: I4b44f5d3690887d387bf9c47eac00db8ec974571
Reviewed-on: https://webrtc-review.googlesource.com/28341
Commit-Queue: Steve Anton <steveanton@webrtc.org>
Reviewed-by: Peter Thatcher <pthatcher@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#21442}
This commit is contained in:
Steve Anton
2017-12-22 16:02:54 -08:00
committed by Commit Bot
parent 24de1735b7
commit dcc3c02468
10 changed files with 1518 additions and 155 deletions

View File

@ -179,6 +179,45 @@ bool PeerConnectionWrapper::SetSdp(
return observer->result();
}
bool PeerConnectionWrapper::ExchangeOfferAnswerWith(
PeerConnectionWrapper* answerer) {
RTC_DCHECK(answerer);
if (answerer == this) {
RTC_LOG(LS_ERROR) << "Cannot exchange offer/answer with ourself!";
return false;
}
auto offer = CreateOffer();
EXPECT_TRUE(offer);
if (!offer) {
return false;
}
bool set_local_offer =
SetLocalDescription(CloneSessionDescription(offer.get()));
EXPECT_TRUE(set_local_offer);
if (!set_local_offer) {
return false;
}
bool set_remote_offer = answerer->SetRemoteDescription(std::move(offer));
EXPECT_TRUE(set_remote_offer);
if (!set_remote_offer) {
return false;
}
auto answer = answerer->CreateAnswer();
EXPECT_TRUE(answer);
if (!answer) {
return false;
}
bool set_local_answer =
answerer->SetLocalDescription(CloneSessionDescription(answer.get()));
EXPECT_TRUE(set_local_answer);
if (!set_local_answer) {
return false;
}
bool set_remote_answer = SetRemoteDescription(std::move(answer));
EXPECT_TRUE(set_remote_answer);
return set_remote_answer;
}
rtc::scoped_refptr<RtpTransceiverInterface>
PeerConnectionWrapper::AddTransceiver(cricket::MediaType media_type) {
RTCErrorOr<rtc::scoped_refptr<RtpTransceiverInterface>> result =