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0596503938
Bug: None Change-Id: Ie1d0c1fd4b32fc5f9e4252bfe0fd2ca1412bd594 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/351002 Reviewed-by: Per Kjellander <perkj@webrtc.org> Commit-Queue: Björn Terelius <terelius@webrtc.org> Cr-Commit-Position: refs/heads/main@{#42376}
54 lines
1.8 KiB
C++
54 lines
1.8 KiB
C++
/*
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* Copyright (c) 2012 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_REMOTE_BITRATE_ESTIMATOR_OVERUSE_DETECTOR_H_
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#define MODULES_REMOTE_BITRATE_ESTIMATOR_OVERUSE_DETECTOR_H_
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#include <stdint.h>
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#include "api/transport/bandwidth_usage.h"
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namespace webrtc {
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class OveruseDetector {
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public:
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OveruseDetector();
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OveruseDetector(const OveruseDetector&) = delete;
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OveruseDetector& operator=(const OveruseDetector&) = delete;
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~OveruseDetector() = default;
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// Update the detection state based on the estimated inter-arrival time delta
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// offset. `timestamp_delta` is the delta between the last timestamp which the
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// estimated offset is based on and the last timestamp on which the last
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// offset was based on, representing the time between detector updates.
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// `num_of_deltas` is the number of deltas the offset estimate is based on.
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// Returns the state after the detection update.
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BandwidthUsage Detect(double offset,
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double timestamp_delta,
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int num_of_deltas,
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int64_t now_ms);
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// Returns the current detector state.
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BandwidthUsage State() const;
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private:
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void UpdateThreshold(double modified_offset, int64_t now_ms);
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double threshold_ = 12.5;
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int64_t last_update_ms_ = -1;
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double prev_offset_ = 0.0;
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double time_over_using_ = -1;
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int overuse_counter_ = 0;
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BandwidthUsage hypothesis_ = BandwidthUsage::kBwNormal;
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};
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} // namespace webrtc
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#endif // MODULES_REMOTE_BITRATE_ESTIMATOR_OVERUSE_DETECTOR_H_
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