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