chromium/third_party/webrtc/rtc_base/numerics/sequence_number_unwrapper.h

/*
 *  Copyright (c) 2022 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 RTC_BASE_NUMERICS_SEQUENCE_NUMBER_UNWRAPPER_H_
#define RTC_BASE_NUMERICS_SEQUENCE_NUMBER_UNWRAPPER_H_

#include <stdint.h>

#include <limits>
#include <type_traits>

#include "absl/types/optional.h"
#include "rtc_base/numerics/sequence_number_util.h"

namespace webrtc {

// A sequence number unwrapper where the first unwrapped value equals the
// first value being unwrapped.
template <typename T, T M = 0>
class SeqNumUnwrapper { … };

RtpTimestampUnwrapper;
RtpSequenceNumberUnwrapper;

}  // namespace webrtc

#endif  // RTC_BASE_NUMERICS_SEQUENCE_NUMBER_UNWRAPPER_H_