webrtc/modules/remote_bitrate_estimator/overuse_estimator.h
Steve Anton 10542f21c8 (4) Rename files to snake_case: update BUILD.gn, include paths, header guards, and DEPS entries
Mechanically generated by running this command:

tools_webrtc/do-renames.sh update all-renames.txt && git cl format

Then manually updating:

tools_webrtc/sanitizers/tsan_suppressions_webrtc.cc

Bug: webrtc:10159
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Change-Id: I54824cd91dada8fc3ee3d098f971bc319d477833
Reviewed-on: https://webrtc-review.googlesource.com/c/115653
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26226}
2019-01-11 17:11:39 +00:00

68 lines
2.2 KiB
C++

/*
* Copyright (c) 2013 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_ESTIMATOR_H_
#define MODULES_REMOTE_BITRATE_ESTIMATOR_OVERUSE_ESTIMATOR_H_
#include <stdint.h>
#include <deque>
#include "common_types.h" // NOLINT(build/include)
#include "modules/remote_bitrate_estimator/include/bwe_defines.h"
#include "rtc_base/constructor_magic.h"
namespace webrtc {
class OveruseEstimator {
public:
explicit OveruseEstimator(const OverUseDetectorOptions& options);
~OveruseEstimator();
// Update the estimator with a new sample. The deltas should represent deltas
// between timestamp groups as defined by the InterArrival class.
// |current_hypothesis| should be the hypothesis of the over-use detector at
// this time.
void Update(int64_t t_delta,
double ts_delta,
int size_delta,
BandwidthUsage current_hypothesis,
int64_t now_ms);
// Returns the estimated noise/jitter variance in ms^2.
double var_noise() const { return var_noise_; }
// Returns the estimated inter-arrival time delta offset in ms.
double offset() const { return offset_; }
// Returns the number of deltas which the current over-use estimator state is
// based on.
unsigned int num_of_deltas() const { return num_of_deltas_; }
private:
double UpdateMinFramePeriod(double ts_delta);
void UpdateNoiseEstimate(double residual, double ts_delta, bool stable_state);
// Must be first member variable. Cannot be const because we need to be
// copyable.
OverUseDetectorOptions options_;
uint16_t num_of_deltas_;
double slope_;
double offset_;
double prev_offset_;
double E_[2][2];
double process_noise_[2];
double avg_noise_;
double var_noise_;
std::deque<double> ts_delta_hist_;
RTC_DISALLOW_COPY_AND_ASSIGN(OveruseEstimator);
};
} // namespace webrtc
#endif // MODULES_REMOTE_BITRATE_ESTIMATOR_OVERUSE_ESTIMATOR_H_