blob: b325d2cbaa123d92d6800a9ede9158b8842aff1b [file] [log] [blame]
* Copyright (c) 2011 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 <stdint.h>
namespace webrtc {
// Not thread safe.
class TimestampExtrapolator {
explicit TimestampExtrapolator(int64_t start_ms);
void Update(int64_t tMs, uint32_t ts90khz);
int64_t ExtrapolateLocalTime(uint32_t timestamp90khz);
void Reset(int64_t start_ms);
void CheckForWrapArounds(uint32_t ts90khz);
bool DelayChangeDetection(double error);
double _w[2];
double _pP[2][2];
int64_t _startMs;
int64_t _prevMs;
uint32_t _firstTimestamp;
int32_t _wrapArounds;
int64_t _prevUnwrappedTimestamp;
int64_t _prevWrapTimestamp;
const double _lambda;
bool _firstAfterReset;
uint32_t _packetCount;
const uint32_t _startUpFilterDelayInPackets;
double _detectorAccumulatorPos;
double _detectorAccumulatorNeg;
const double _alarmThreshold;
const double _accDrift;
const double _accMaxError;
const double _pP11;
} // namespace webrtc