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Adds remote estimate RTCP packet.

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This adds the RemoteEstimate rtcp packet and wires it up to GoogCC where
it's used to improve congestion controller behavior.

The functionality is negotiated using SDP.

It's added with a field trial that allow disabling the functionality in
case there's any issues.

Bug: webrtc:10742
Change-Id: I1ea8e4216a27cd2b00505c99b42d1e38726256c8
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/146602
Reviewed-by: Stefan Holmer <stefan@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Commit-Queue: Sebastian Jansson <srte@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#28654}
This commit is contained in:
Sebastian Jansson
2019-07-24 11:38:03 +02:00
committed by Commit Bot
parent 1796a820f6
commit e1795f4158
26 changed files with 403 additions and 1 deletions
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7
call/rtp_transport_controller_send.h
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@ -43,7 +43,8 @@ class RtcEventLog;
class RtpTransportControllerSend final
: public RtpTransportControllerSendInterface,
public RtcpBandwidthObserver,
public TransportFeedbackObserver {
public TransportFeedbackObserver,
public NetworkStateEstimateObserver {
public:
RtpTransportControllerSend(
Clock* clock,
@ -73,6 +74,7 @@ class RtpTransportControllerSend final
rtc::TaskQueue* GetWorkerQueue() override;
PacketRouter* packet_router() override;
NetworkStateEstimateObserver* network_state_estimate_observer() override;
TransportFeedbackObserver* transport_feedback_observer() override;
RtpPacketPacer* packet_sender() override;
@ -114,6 +116,9 @@ class RtpTransportControllerSend final
void OnAddPacket(const RtpPacketSendInfo& packet_info) override;
void OnTransportFeedback(const rtcp::TransportFeedback& feedback) override;
// Implements NetworkStateEstimateObserver interface
void OnRemoteNetworkEstimate(NetworkStateEstimate estimate) override;
private:
void MaybeCreateControllers() RTC_RUN_ON(task_queue_);
void UpdateInitialConstraints(TargetRateConstraints new_contraints)