blob: d04e7d9f981d457bc0be20c3a86e363a6cf85f14 [file] [log] [blame]
* 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.
#include <list>
#include "webrtc/base/constructormagic.h"
#include "webrtc/common_types.h"
#include "webrtc/modules/remote_bitrate_estimator/include/bwe_defines.h"
namespace webrtc {
class 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(double recv_delta_ms,
double send_delta_ms,
BandwidthUsage current_hypothesis);
// 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_;
double UpdateMinFramePeriod(double send_delta_ms);
void UpdateNoiseEstimate(double residual,
double send_delta_ms,
bool stable_state);
// Must be first member variable. Cannot be const because we need to be
// copyable.
uint16_t num_of_deltas_;
double offset_;
double prev_offset_;
double e_;
double process_noise_;
double avg_noise_;
double var_noise_;
std::list<double> send_delta_history_;
} // namespace webrtc