83b184210f
This makes it easier to have the new and the old send side congestion controller side by side. This namespace is only temporary. As soon the new task queue based congestion controller is fully functional, the old will be deprecated and removed together with the temporary namespace. Bug: webrtc:8415 Change-Id: Ie817511345c91cab2ebca68f038075875c7e6529 Reviewed-on: https://webrtc-review.googlesource.com/56720 Commit-Queue: Sebastian Jansson <srte@webrtc.org> Reviewed-by: Björn Terelius <terelius@webrtc.org> Cr-Commit-Position: refs/heads/master@{#22221}
86 lines
2.6 KiB
C++
86 lines
2.6 KiB
C++
/*
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* Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "modules/congestion_controller/rtp/pacer_controller.h"
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#include "modules/congestion_controller/rtp/network_control/include/network_units.h"
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#include "rtc_base/checks.h"
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#include "rtc_base/logging.h"
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namespace webrtc {
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namespace webrtc_cc {
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PacerController::PacerController(PacedSender* pacer) : pacer_(pacer) {
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sequenced_checker_.Detach();
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}
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PacerController::~PacerController() = default;
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void PacerController::OnCongestionWindow(CongestionWindow congestion_window) {
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RTC_DCHECK_CALLED_SEQUENTIALLY(&sequenced_checker_);
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if (congestion_window.enabled) {
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congestion_window_ = congestion_window;
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} else {
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congestion_window_ = rtc::nullopt;
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congested_ = false;
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UpdatePacerState();
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}
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}
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void PacerController::OnNetworkAvailability(NetworkAvailability msg) {
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RTC_DCHECK_CALLED_SEQUENTIALLY(&sequenced_checker_);
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network_available_ = msg.network_available;
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congested_ = false;
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UpdatePacerState();
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}
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void PacerController::OnNetworkRouteChange(NetworkRouteChange) {
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RTC_DCHECK_CALLED_SEQUENTIALLY(&sequenced_checker_);
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congested_ = false;
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UpdatePacerState();
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}
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void PacerController::OnPacerConfig(PacerConfig msg) {
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RTC_DCHECK_CALLED_SEQUENTIALLY(&sequenced_checker_);
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DataRate pacing_rate = msg.data_window / msg.time_window;
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DataRate padding_rate = msg.pad_window / msg.time_window;
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pacer_->SetPacingRates(pacing_rate.bps(), padding_rate.bps());
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}
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void PacerController::OnProbeClusterConfig(ProbeClusterConfig config) {
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RTC_DCHECK_CALLED_SEQUENTIALLY(&sequenced_checker_);
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int64_t bitrate_bps = config.target_data_rate.bps();
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pacer_->CreateProbeCluster(bitrate_bps);
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}
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void PacerController::OnOutstandingData(OutstandingData msg) {
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RTC_DCHECK_CALLED_SEQUENTIALLY(&sequenced_checker_);
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if (congestion_window_.has_value()) {
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congested_ = msg.in_flight_data > congestion_window_->data_window;
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}
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UpdatePacerState();
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}
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void PacerController::UpdatePacerState() {
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bool pause = congested_ || !network_available_;
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SetPacerState(pause);
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}
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void PacerController::SetPacerState(bool paused) {
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if (paused && !pacer_paused_)
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pacer_->Pause();
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else if (!paused && pacer_paused_)
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pacer_->Resume();
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pacer_paused_ = paused;
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}
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} // namespace webrtc_cc
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} // namespace webrtc
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