blob: b7162ed2817c1b98b157f8695cff85e4d19493ad [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>
#include "absl/types/optional.h"
#include "api/units/timestamp.h"
#include "modules/include/module_common_types_public.h"
namespace webrtc {
// Not thread safe.
class TimestampExtrapolator {
explicit TimestampExtrapolator(Timestamp start);
void Update(Timestamp now, uint32_t ts90khz);
absl::optional<Timestamp> ExtrapolateLocalTime(uint32_t timestamp90khz) const;
void Reset(Timestamp start);
void CheckForWrapArounds(uint32_t ts90khz);
bool DelayChangeDetection(double error);
double w_[2];
double p_[2][2];
Timestamp start_;
Timestamp prev_;
absl::optional<int64_t> first_unwrapped_timestamp_;
TimestampUnwrapper unwrapper_;
absl::optional<int64_t> prev_unwrapped_timestamp_;
uint32_t packet_count_;
double detector_accumulator_pos_;
double detector_accumulator_neg_;
} // namespace webrtc