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65 lines
2.1 KiB
C++
65 lines
2.1 KiB
C++
/*
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* Copyright (c) 2017 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 "acknowledged_bitrate_estimator.h"
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#include <algorithm>
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#include <memory>
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#include <optional>
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#include <utility>
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#include <vector>
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#include "api/transport/network_types.h"
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#include "api/units/data_rate.h"
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#include "api/units/data_size.h"
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#include "api/units/timestamp.h"
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namespace webrtc {
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AcknowledgedBitrateEstimator::AcknowledgedBitrateEstimator()
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: in_alr_(false),
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bitrate_estimator_(std::make_unique<BitrateEstimator>()) {}
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AcknowledgedBitrateEstimator::AcknowledgedBitrateEstimator(
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std::unique_ptr<BitrateEstimator> bitrate_estimator)
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: in_alr_(false), bitrate_estimator_(std::move(bitrate_estimator)) {}
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AcknowledgedBitrateEstimator::~AcknowledgedBitrateEstimator() {}
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void AcknowledgedBitrateEstimator::IncomingPacketFeedbackVector(
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const std::vector<PacketResult>& packet_feedback_vector) {
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for (const auto& packet : packet_feedback_vector) {
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if (alr_ended_time_ && packet.sent_packet.send_time > *alr_ended_time_) {
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bitrate_estimator_->ExpectFastRateChange();
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alr_ended_time_.reset();
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}
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DataSize acknowledged_estimate = packet.sent_packet.size;
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acknowledged_estimate += packet.sent_packet.prior_unacked_data;
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bitrate_estimator_->Update(packet.receive_time, acknowledged_estimate,
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in_alr_);
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}
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}
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std::optional<DataRate> AcknowledgedBitrateEstimator::bitrate() const {
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return bitrate_estimator_->bitrate();
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}
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std::optional<DataRate> AcknowledgedBitrateEstimator::PeekRate() const {
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return bitrate_estimator_->PeekRate();
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}
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void AcknowledgedBitrateEstimator::SetAlrEndedTime(Timestamp alr_ended_time) {
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alr_ended_time_.emplace(alr_ended_time);
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}
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void AcknowledgedBitrateEstimator::SetAlr(bool in_alr) { in_alr_ = in_alr; }
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} // namespace webrtc
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