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This CL adds a field trial to enable the BBR congestion control method. Since BBR is only implemented to handle per packet feedback, SendSideCongestionController is modified to recreate network controllers when the packet feedback availability changes and the BBR experiment is enabled. This also means that the periodic task used for process updates in the network controllers has to recreated. Bug: webrtc:8415 Change-Id: Ia24f7ad35336d2cc7a02bb3a445f1a84b8643475 Reviewed-on: https://webrtc-review.googlesource.com/61520 Commit-Queue: Sebastian Jansson <srte@webrtc.org> Reviewed-by: Stefan Holmer <stefan@webrtc.org> Reviewed-by: Niels Moller <nisse@webrtc.org> Cr-Commit-Position: refs/heads/master@{#22791}
41 lines
1.4 KiB
C++
41 lines
1.4 KiB
C++
/*
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* Copyright 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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#ifndef RTC_BASE_EXPERIMENTS_CONGESTION_CONTROLLER_EXPERIMENT_H_
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#define RTC_BASE_EXPERIMENTS_CONGESTION_CONTROLLER_EXPERIMENT_H_
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#include <api/optional.h>
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namespace webrtc {
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class CongestionControllerExperiment {
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public:
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struct BbrExperimentConfig {
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int exit_startup_on_loss;
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int exit_startup_rtt_threshold_ms;
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int fully_drain_queue;
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int initial_conservation_in_startup;
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int num_startup_rtts;
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int probe_rtt_based_on_bdp;
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int probe_rtt_disabled_if_app_limited;
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int probe_rtt_skipped_if_similar_rtt;
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int rate_based_recovery;
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int rate_based_startup;
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int slower_startup;
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double encoder_rate_gain;
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double encoder_rate_gain_in_probe_rtt;
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double max_ack_height_window_multiplier;
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double max_aggregation_bytes_multiplier;
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double probe_bw_pacing_gain_offset;
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double probe_rtt_congestion_window_gain;
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};
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static bool BbrControllerEnabled();
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static rtc::Optional<BbrExperimentConfig> GetBbrExperimentConfig();
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};
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} // namespace webrtc
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#endif // RTC_BASE_EXPERIMENTS_CONGESTION_CONTROLLER_EXPERIMENT_H_
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