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/*
* Copyright (c) 2019 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.
*/
#ifndef MODULES_CONGESTION_CONTROLLER_GOOG_CC_ROBUST_THROUGHPUT_ESTIMATOR_H_
#define MODULES_CONGESTION_CONTROLLER_GOOG_CC_ROBUST_THROUGHPUT_ESTIMATOR_H_
#include <deque>
#include <vector>
#include "absl/types/optional.h"
#include "api/transport/network_types.h"
#include "api/units/data_rate.h"
#include "api/units/timestamp.h"
#include "modules/congestion_controller/goog_cc/acknowledged_bitrate_estimator_interface.h"
namespace webrtc {
class RobustThroughputEstimator : public AcknowledgedBitrateEstimatorInterface {
public:
explicit RobustThroughputEstimator(
const RobustThroughputEstimatorSettings& settings);
~RobustThroughputEstimator() override;
void IncomingPacketFeedbackVector(
const std::vector<PacketResult>& packet_feedback_vector) override;
absl::optional<DataRate> bitrate() const override;
absl::optional<DataRate> PeekRate() const override { return bitrate(); }
void SetAlr(bool /*in_alr*/) override {}
void SetAlrEndedTime(Timestamp /*alr_ended_time*/) override {}
private:
bool FirstPacketOutsideWindow();
const RobustThroughputEstimatorSettings settings_;
std::deque<PacketResult> window_;
Timestamp latest_discarded_send_time_ = Timestamp::MinusInfinity();
};
} // namespace webrtc
#endif // MODULES_CONGESTION_CONTROLLER_GOOG_CC_ROBUST_THROUGHPUT_ESTIMATOR_H_