blob: af062e881eeef20800be0077bcc977433337cd58 [file] [log] [blame]
/*
* Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "modules/congestion_controller/rtp/pacer_controller.h"
#include "rtc_base/checks.h"
#include "rtc_base/logging.h"
namespace webrtc {
PacerController::PacerController(PacedSender* pacer) : pacer_(pacer) {
sequenced_checker_.Detach();
}
PacerController::~PacerController() = default;
void PacerController::OnCongestionWindow(DataSize congestion_window) {
RTC_DCHECK_CALLED_SEQUENTIALLY(&sequenced_checker_);
if (congestion_window.IsFinite())
pacer_->SetCongestionWindow(congestion_window.bytes());
else
pacer_->SetCongestionWindow(PacedSender::kNoCongestionWindow);
}
void PacerController::OnNetworkAvailability(NetworkAvailability msg) {
RTC_DCHECK_CALLED_SEQUENTIALLY(&sequenced_checker_);
network_available_ = msg.network_available;
pacer_->UpdateOutstandingData(0);
SetPacerState(!msg.network_available);
}
void PacerController::OnNetworkRouteChange(NetworkRouteChange) {
RTC_DCHECK_CALLED_SEQUENTIALLY(&sequenced_checker_);
pacer_->UpdateOutstandingData(0);
}
void PacerController::OnPacerConfig(PacerConfig msg) {
RTC_DCHECK_CALLED_SEQUENTIALLY(&sequenced_checker_);
DataRate pacing_rate = msg.data_window / msg.time_window;
DataRate padding_rate = msg.pad_window / msg.time_window;
pacer_->SetPacingRates(pacing_rate.bps(), padding_rate.bps());
}
void PacerController::OnProbeClusterConfig(ProbeClusterConfig config) {
RTC_DCHECK_CALLED_SEQUENTIALLY(&sequenced_checker_);
int64_t bitrate_bps = config.target_data_rate.bps();
pacer_->CreateProbeCluster(bitrate_bps);
}
void PacerController::OnOutstandingData(DataSize in_flight_data) {
RTC_DCHECK_CALLED_SEQUENTIALLY(&sequenced_checker_);
pacer_->UpdateOutstandingData(in_flight_data.bytes());
}
void PacerController::SetPacerState(bool paused) {
if (paused && !pacer_paused_)
pacer_->Pause();
else if (!paused && pacer_paused_)
pacer_->Resume();
pacer_paused_ = paused;
}
} // namespace webrtc