1 /* 2 * Copyright (c) 2013 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_RTP_RTCP_INCLUDE_RECEIVE_STATISTICS_H_ 12 #define WEBRTC_MODULES_RTP_RTCP_INCLUDE_RECEIVE_STATISTICS_H_ 13 14 #include <map> 15 16 #include "webrtc/modules/include/module.h" 17 #include "webrtc/modules/include/module_common_types.h" 18 #include "webrtc/typedefs.h" 19 20 namespace webrtc { 21 22 class Clock; 23 24 class StreamStatistician { 25 public: 26 virtual ~StreamStatistician(); 27 28 virtual bool GetStatistics(RtcpStatistics* statistics, bool reset) = 0; 29 virtual void GetDataCounters(size_t* bytes_received, 30 uint32_t* packets_received) const = 0; 31 32 // Gets received stream data counters (includes reset counter values). 33 virtual void GetReceiveStreamDataCounters( 34 StreamDataCounters* data_counters) const = 0; 35 36 virtual uint32_t BitrateReceived() const = 0; 37 38 // Returns true if the packet with RTP header |header| is likely to be a 39 // retransmitted packet, false otherwise. 40 virtual bool IsRetransmitOfOldPacket(const RTPHeader& header, 41 int64_t min_rtt) const = 0; 42 43 // Returns true if |sequence_number| is received in order, false otherwise. 44 virtual bool IsPacketInOrder(uint16_t sequence_number) const = 0; 45 }; 46 47 typedef std::map<uint32_t, StreamStatistician*> StatisticianMap; 48 49 class ReceiveStatistics : public Module { 50 public: ~ReceiveStatistics()51 virtual ~ReceiveStatistics() {} 52 53 static ReceiveStatistics* Create(Clock* clock); 54 55 // Updates the receive statistics with this packet. 56 virtual void IncomingPacket(const RTPHeader& rtp_header, 57 size_t packet_length, 58 bool retransmitted) = 0; 59 60 // Increment counter for number of FEC packets received. 61 virtual void FecPacketReceived(const RTPHeader& header, 62 size_t packet_length) = 0; 63 64 // Returns a map of all statisticians which have seen an incoming packet 65 // during the last two seconds. 66 virtual StatisticianMap GetActiveStatisticians() const = 0; 67 68 // Returns a pointer to the statistician of an ssrc. 69 virtual StreamStatistician* GetStatistician(uint32_t ssrc) const = 0; 70 71 // Sets the max reordering threshold in number of packets. 72 virtual void SetMaxReorderingThreshold(int max_reordering_threshold) = 0; 73 74 // Called on new RTCP stats creation. 75 virtual void RegisterRtcpStatisticsCallback( 76 RtcpStatisticsCallback* callback) = 0; 77 78 // Called on new RTP stats creation. 79 virtual void RegisterRtpStatisticsCallback( 80 StreamDataCountersCallback* callback) = 0; 81 }; 82 83 class NullReceiveStatistics : public ReceiveStatistics { 84 public: 85 void IncomingPacket(const RTPHeader& rtp_header, 86 size_t packet_length, 87 bool retransmitted) override; 88 void FecPacketReceived(const RTPHeader& header, 89 size_t packet_length) override; 90 StatisticianMap GetActiveStatisticians() const override; 91 StreamStatistician* GetStatistician(uint32_t ssrc) const override; 92 int64_t TimeUntilNextProcess() override; 93 int32_t Process() override; 94 void SetMaxReorderingThreshold(int max_reordering_threshold) override; 95 void RegisterRtcpStatisticsCallback( 96 RtcpStatisticsCallback* callback) override; 97 void RegisterRtpStatisticsCallback( 98 StreamDataCountersCallback* callback) override; 99 }; 100 101 } // namespace webrtc 102 #endif // WEBRTC_MODULES_RTP_RTCP_INCLUDE_RECEIVE_STATISTICS_H_ 103