mirror of
https://github.com/mollyim/webrtc.git
synced 2025-05-13 05:40:42 +01:00
3e70781361
This is a follow-up to https://webrtc-review.googlesource.com/c/src/+/106280. This time the whole code base is covered. Some files may have not been fixed though, whenever the IWYU tool was breaking the build. Bug: webrtc:8311 Change-Id: I2c31f552a87e887d33931d46e87b6208b1e483ef Reviewed-on: https://webrtc-review.googlesource.com/c/111965 Commit-Queue: Yves Gerey <yvesg@google.com> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#25830}
71 lines
2.6 KiB
C++
71 lines
2.6 KiB
C++
/*
|
|
* Copyright (c) 2018 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_PCC_MONITOR_INTERVAL_H_
|
|
#define MODULES_CONGESTION_CONTROLLER_PCC_MONITOR_INTERVAL_H_
|
|
|
|
#include <vector>
|
|
|
|
#include "api/transport/network_types.h"
|
|
#include "api/units/data_rate.h"
|
|
#include "api/units/data_size.h"
|
|
#include "api/units/time_delta.h"
|
|
#include "api/units/timestamp.h"
|
|
|
|
namespace webrtc {
|
|
namespace pcc {
|
|
|
|
// PCC divides time into consecutive monitor intervals which are used to test
|
|
// consequences for performance of sending at a certain rate.
|
|
class PccMonitorInterval {
|
|
public:
|
|
PccMonitorInterval(DataRate target_sending_rate,
|
|
Timestamp start_time,
|
|
TimeDelta duration);
|
|
~PccMonitorInterval();
|
|
PccMonitorInterval(const PccMonitorInterval& other);
|
|
void OnPacketsFeedback(const std::vector<PacketResult>& packets_results);
|
|
// Returns true if got complete information about packets.
|
|
// Notice, this only happens when received feedback about the first packet
|
|
// which were sent after the end of the monitor interval. If such event
|
|
// doesn't occur, we don't mind anyway and stay in the same state.
|
|
bool IsFeedbackCollectionDone() const;
|
|
Timestamp GetEndTime() const;
|
|
|
|
double GetLossRate() const;
|
|
// Estimates the gradient using linear regression on the 2-dimensional
|
|
// dataset (sampled packets delay, time of sampling).
|
|
double ComputeDelayGradient(double delay_gradient_threshold) const;
|
|
DataRate GetTargetSendingRate() const;
|
|
// How fast receiving side gets packets.
|
|
DataRate GetTransmittedPacketsRate() const;
|
|
|
|
private:
|
|
struct ReceivedPacket {
|
|
TimeDelta delay;
|
|
Timestamp sent_time;
|
|
};
|
|
// Target bitrate used to generate and pace the outgoing packets.
|
|
// Actually sent bitrate might not match the target exactly.
|
|
DataRate target_sending_rate_;
|
|
// Start time is not included into interval while end time is included.
|
|
Timestamp start_time_;
|
|
TimeDelta interval_duration_;
|
|
// Vectors below updates while receiving feedback.
|
|
std::vector<ReceivedPacket> received_packets_;
|
|
std::vector<Timestamp> lost_packets_sent_time_;
|
|
DataSize received_packets_size_;
|
|
bool feedback_collection_done_;
|
|
};
|
|
|
|
} // namespace pcc
|
|
} // namespace webrtc
|
|
|
|
#endif // MODULES_CONGESTION_CONTROLLER_PCC_MONITOR_INTERVAL_H_
|