diff --git a/modules/congestion_controller/goog_cc/goog_cc_network_control.cc b/modules/congestion_controller/goog_cc/goog_cc_network_control.cc index 8ae7f40cb2..167203256c 100644 --- a/modules/congestion_controller/goog_cc/goog_cc_network_control.cc +++ b/modules/congestion_controller/goog_cc/goog_cc_network_control.cc @@ -92,6 +92,8 @@ GoogCcNetworkController::GoogCcNetworkController(NetworkControllerConfig config, pace_at_max_of_bwe_and_lower_link_capacity_( IsEnabled(key_value_config_, "WebRTC-Bwe-PaceAtMaxOfBweAndLowerLinkCapacity")), + pace_at_loss_based_bwe_when_loss_( + IsEnabled(key_value_config_, "WebRTC-Bwe-PaceAtLossBaseBweWhenLoss")), probe_controller_( new ProbeController(key_value_config_, config.event_log)), congestion_window_pushback_controller_( @@ -700,7 +702,10 @@ PacerConfig GoogCcNetworkController::GetPacingRates(Timestamp at_time) const { // Pacing rate is based on target rate before congestion window pushback, // because we don't want to build queues in the pacer when pushback occurs. DataRate pacing_rate = DataRate::Zero(); - if (pace_at_max_of_bwe_and_lower_link_capacity_ && estimate_) { + if ((pace_at_max_of_bwe_and_lower_link_capacity_ || + (pace_at_loss_based_bwe_when_loss_ && + last_loss_based_target_rate_ >= delay_based_bwe_->last_estimate())) && + estimate_) { pacing_rate = std::max({min_total_allocated_bitrate_, estimate_->link_capacity_lower, last_loss_based_target_rate_}) * diff --git a/modules/congestion_controller/goog_cc/goog_cc_network_control.h b/modules/congestion_controller/goog_cc/goog_cc_network_control.h index 946c076939..048279fa56 100644 --- a/modules/congestion_controller/goog_cc/goog_cc_network_control.h +++ b/modules/congestion_controller/goog_cc/goog_cc_network_control.h @@ -95,6 +95,7 @@ class GoogCcNetworkController : public NetworkControllerInterface { const RateControlSettings rate_control_settings_; const bool loss_based_stable_rate_; const bool pace_at_max_of_bwe_and_lower_link_capacity_; + const bool pace_at_loss_based_bwe_when_loss_; const std::unique_ptr probe_controller_; const std::unique_ptr