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40 lines
1.2 KiB
C++
40 lines
1.2 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 MODULES_CONGESTION_CONTROLLER_GOOG_CC_LINK_CAPACITY_ESTIMATOR_H_
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#define MODULES_CONGESTION_CONTROLLER_GOOG_CC_LINK_CAPACITY_ESTIMATOR_H_
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#include <optional>
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#include "api/units/data_rate.h"
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namespace webrtc {
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class LinkCapacityEstimator {
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public:
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LinkCapacityEstimator();
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DataRate UpperBound() const;
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DataRate LowerBound() const;
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void Reset();
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void OnOveruseDetected(DataRate acknowledged_rate);
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void OnProbeRate(DataRate probe_rate);
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bool has_estimate() const;
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DataRate estimate() const;
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private:
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friend class GoogCcStatePrinter;
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void Update(DataRate capacity_sample, double alpha);
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double deviation_estimate_kbps() const;
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std::optional<double> estimate_kbps_;
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double deviation_kbps_ = 0.4;
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};
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} // namespace webrtc
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#endif // MODULES_CONGESTION_CONTROLLER_GOOG_CC_LINK_CAPACITY_ESTIMATOR_H_
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