1 /* 2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef WEBRTC_MODULES_REMOTE_BITRATE_ESTIMATOR_INCLUDE_SEND_TIME_HISTORY_H_ 12 #define WEBRTC_MODULES_REMOTE_BITRATE_ESTIMATOR_INCLUDE_SEND_TIME_HISTORY_H_ 13 14 #include <map> 15 16 #include "webrtc/base/constructormagic.h" 17 #include "webrtc/base/basictypes.h" 18 #include "webrtc/modules/remote_bitrate_estimator/include/remote_bitrate_estimator.h" 19 20 namespace webrtc { 21 22 class SendTimeHistory { 23 public: 24 SendTimeHistory(Clock* clock, int64_t packet_age_limit); 25 virtual ~SendTimeHistory(); 26 27 void AddAndRemoveOld(uint16_t sequence_number, size_t length, bool was_paced); 28 bool OnSentPacket(uint16_t sequence_number, int64_t timestamp); 29 // Look up PacketInfo for a sent packet, based on the sequence number, and 30 // populate all fields except for receive_time. The packet parameter must 31 // thus be non-null and have the sequence_number field set. 32 bool GetInfo(PacketInfo* packet, bool remove); 33 void Clear(); 34 35 private: 36 void EraseOld(); 37 void UpdateOldestSequenceNumber(); 38 39 Clock* const clock_; 40 const int64_t packet_age_limit_; 41 uint16_t oldest_sequence_number_; // Oldest may not be lowest. 42 std::map<uint16_t, PacketInfo> history_; 43 44 RTC_DISALLOW_COPY_AND_ASSIGN(SendTimeHistory); 45 }; 46 47 } // namespace webrtc 48 #endif // WEBRTC_MODULES_REMOTE_BITRATE_ESTIMATOR_INCLUDE_SEND_TIME_HISTORY_H_ 49
