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/*
* Copyright (c) 2015 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 WEBRTC_MODULES_REMOTE_BITRATE_ESTIMATOR_INCLUDE_SEND_TIME_HISTORY_H_
#define WEBRTC_MODULES_REMOTE_BITRATE_ESTIMATOR_INCLUDE_SEND_TIME_HISTORY_H_
#include <map>
#include "webrtc/base/constructormagic.h"
#include "webrtc/base/basictypes.h"
#include "webrtc/modules/remote_bitrate_estimator/include/remote_bitrate_estimator.h"
namespace webrtc {
class SendTimeHistory {
public:
SendTimeHistory(Clock* clock, int64_t packet_age_limit);
virtual ~SendTimeHistory();
void AddAndRemoveOld(uint16_t sequence_number, size_t length, bool was_paced);
bool OnSentPacket(uint16_t sequence_number, int64_t timestamp);
// Look up PacketInfo for a sent packet, based on the sequence number, and
// populate all fields except for receive_time. The packet parameter must
// thus be non-null and have the sequence_number field set.
bool GetInfo(PacketInfo* packet, bool remove);
void Clear();
private:
void EraseOld();
void UpdateOldestSequenceNumber();
Clock* const clock_;
const int64_t packet_age_limit_;
uint16_t oldest_sequence_number_; // Oldest may not be lowest.
std::map<uint16_t, PacketInfo> history_;
RTC_DISALLOW_COPY_AND_ASSIGN(SendTimeHistory);
};
} // namespace webrtc
#endif // WEBRTC_MODULES_REMOTE_BITRATE_ESTIMATOR_INCLUDE_SEND_TIME_HISTORY_H_
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