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Add support for JSEP offer/answer with transceivers

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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
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15
pc/rtptransceiver.cc
View File

@ -12,8 +12,14 @@
#include <string>
#include "pc/rtpmediautils.h"
namespace webrtc {
std::ostream& operator<<(std::ostream& os, RtpTransceiverDirection direction) {
return os << RtpTransceiverDirectionToString(direction);
}
RtpTransceiver::RtpTransceiver(cricket::MediaType media_type)
: unified_plan_(false), media_type_(media_type) {
RTC_DCHECK(media_type == cricket::MEDIA_TYPE_AUDIO ||
@ -142,6 +148,13 @@ rtc::scoped_refptr<RtpReceiverInterface> RtpTransceiver::receiver() const {
return receivers_[0];
}
void RtpTransceiver::set_current_direction(RtpTransceiverDirection direction) {
current_direction_ = direction;
if (RtpTransceiverDirectionHasSend(*current_direction_)) {
has_ever_been_used_to_send_ = true;
}
}
bool RtpTransceiver::stopped() const {
return stopped_;
}
@ -152,7 +165,7 @@ RtpTransceiverDirection RtpTransceiver::direction() const {
void RtpTransceiver::SetDirection(RtpTransceiverDirection new_direction) {
// TODO(steveanton): This should fire OnNegotiationNeeded.
direction_ = new_direction;
set_direction(new_direction);
}
rtc::Optional<RtpTransceiverDirection> RtpTransceiver::current_direction()