webrtc/modules/remote_bitrate_estimator/overuse_detector.h
Danil Chapovalov 0e5501f0ff Cleanup OveruseDetector from tracers of old experimentation
experiment was cleaned up in
https://webrtc-review.googlesource.com/c/src/+/284922

Bug: webrtc:4711
Change-Id: I19e1ba9716a5b0375fa4c5cf8c69e6bb2b03de6b
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/299041
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Reviewed-by: Per Kjellander <perkj@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#39671}
2023-03-24 17:13:45 +00:00

54 lines
1.8 KiB
C++

/*
* Copyright (c) 2012 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_REMOTE_BITRATE_ESTIMATOR_OVERUSE_DETECTOR_H_
#define MODULES_REMOTE_BITRATE_ESTIMATOR_OVERUSE_DETECTOR_H_
#include <stdint.h>
#include "api/network_state_predictor.h"
namespace webrtc {
class OveruseDetector {
public:
OveruseDetector();
OveruseDetector(const OveruseDetector&) = delete;
OveruseDetector& operator=(const OveruseDetector&) = delete;
~OveruseDetector() = default;
// Update the detection state based on the estimated inter-arrival time delta
// offset. `timestamp_delta` is the delta between the last timestamp which the
// estimated offset is based on and the last timestamp on which the last
// offset was based on, representing the time between detector updates.
// `num_of_deltas` is the number of deltas the offset estimate is based on.
// Returns the state after the detection update.
BandwidthUsage Detect(double offset,
double timestamp_delta,
int num_of_deltas,
int64_t now_ms);
// Returns the current detector state.
BandwidthUsage State() const;
private:
void UpdateThreshold(double modified_offset, int64_t now_ms);
double threshold_ = 12.5;
int64_t last_update_ms_ = -1;
double prev_offset_ = 0.0;
double time_over_using_ = -1;
int overuse_counter_ = 0;
BandwidthUsage hypothesis_ = BandwidthUsage::kBwNormal;
};
} // namespace webrtc
#endif // MODULES_REMOTE_BITRATE_ESTIMATOR_OVERUSE_DETECTOR_H_