df7b65ba01
R=mflodman@webrtc.org Review URL: https://webrtc-codereview.appspot.com/33719004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@8113 4adac7df-926f-26a2-2b94-8c16560cd09d
288 lines
10 KiB
C++
288 lines
10 KiB
C++
/*
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* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_RECEIVER_H_
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#define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_RECEIVER_H_
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#include <map>
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#include <vector>
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#include <set>
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#include "webrtc/base/thread_annotations.h"
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#include "webrtc/modules/rtp_rtcp/interface/rtp_rtcp_defines.h"
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#include "webrtc/modules/rtp_rtcp/source/rtcp_receiver_help.h"
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#include "webrtc/modules/rtp_rtcp/source/rtcp_utility.h"
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#include "webrtc/modules/rtp_rtcp/source/rtp_utility.h"
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#include "webrtc/modules/rtp_rtcp/source/tmmbr_help.h"
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#include "webrtc/typedefs.h"
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namespace webrtc {
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class ModuleRtpRtcpImpl;
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class RTCPReceiver : public TMMBRHelp
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{
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public:
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RTCPReceiver(int32_t id, Clock* clock, ModuleRtpRtcpImpl* owner);
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virtual ~RTCPReceiver();
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void ChangeUniqueId(int32_t id);
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RTCPMethod Status() const;
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void SetRTCPStatus(RTCPMethod method);
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int64_t LastReceived();
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int64_t LastReceivedReceiverReport() const;
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void SetSsrcs(uint32_t main_ssrc,
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const std::set<uint32_t>& registered_ssrcs);
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void SetRelaySSRC(uint32_t ssrc);
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void SetRemoteSSRC(uint32_t ssrc);
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uint32_t RemoteSSRC() const;
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uint32_t RelaySSRC() const;
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void RegisterRtcpObservers(RtcpIntraFrameObserver* intra_frame_callback,
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RtcpBandwidthObserver* bandwidth_callback);
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int32_t IncomingRTCPPacket(
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RTCPHelp::RTCPPacketInformation& rtcpPacketInformation,
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RTCPUtility::RTCPParserV2 *rtcpParser);
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void TriggerCallbacksFromRTCPPacket(
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RTCPHelp::RTCPPacketInformation& rtcpPacketInformation);
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// get received cname
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int32_t CNAME(uint32_t remoteSSRC, char cName[RTCP_CNAME_SIZE]) const;
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// get received NTP
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bool NTP(uint32_t* ReceivedNTPsecs,
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uint32_t* ReceivedNTPfrac,
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uint32_t* RTCPArrivalTimeSecs,
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uint32_t* RTCPArrivalTimeFrac,
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uint32_t* rtcp_timestamp) const;
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bool LastReceivedXrReferenceTimeInfo(RtcpReceiveTimeInfo* info) const;
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// get rtt
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int32_t RTT(uint32_t remoteSSRC,
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int64_t* RTT,
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int64_t* avgRTT,
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int64_t* minRTT,
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int64_t* maxRTT) const;
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int32_t SenderInfoReceived(RTCPSenderInfo* senderInfo) const;
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bool GetAndResetXrRrRtt(int64_t* rtt_ms);
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// get statistics
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int32_t StatisticsReceived(
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std::vector<RTCPReportBlock>* receiveBlocks) const;
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void GetPacketTypeCounter(RtcpPacketTypeCounter* packet_counter) const;
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// Returns true if we haven't received an RTCP RR for several RTCP
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// intervals, but only triggers true once.
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bool RtcpRrTimeout(int64_t rtcp_interval_ms);
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// Returns true if we haven't received an RTCP RR telling the receive side
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// has not received RTP packets for too long, i.e. extended highest sequence
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// number hasn't increased for several RTCP intervals. The function only
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// returns true once until a new RR is received.
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bool RtcpRrSequenceNumberTimeout(int64_t rtcp_interval_ms);
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// Get TMMBR
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int32_t TMMBRReceived(uint32_t size,
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uint32_t accNumCandidates,
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TMMBRSet* candidateSet) const;
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bool UpdateRTCPReceiveInformationTimers();
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int32_t BoundingSet(bool &tmmbrOwner, TMMBRSet* boundingSetRec);
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int32_t UpdateTMMBR();
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void RegisterRtcpStatisticsCallback(RtcpStatisticsCallback* callback);
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RtcpStatisticsCallback* GetRtcpStatisticsCallback();
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protected:
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RTCPUtility::RTCPCnameInformation* CreateCnameInformation(uint32_t remoteSSRC);
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RTCPUtility::RTCPCnameInformation* GetCnameInformation(
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uint32_t remoteSSRC) const;
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RTCPHelp::RTCPReceiveInformation* CreateReceiveInformation(
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uint32_t remoteSSRC);
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RTCPHelp::RTCPReceiveInformation* GetReceiveInformation(uint32_t remoteSSRC);
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void UpdateReceiveInformation(
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RTCPHelp::RTCPReceiveInformation& receiveInformation);
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void HandleSenderReceiverReport(
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RTCPUtility::RTCPParserV2& rtcpParser,
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RTCPHelp::RTCPPacketInformation& rtcpPacketInformation);
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void HandleReportBlock(
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const RTCPUtility::RTCPPacket& rtcpPacket,
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RTCPHelp::RTCPPacketInformation& rtcpPacketInformation,
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uint32_t remoteSSRC);
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void HandleSDES(RTCPUtility::RTCPParserV2& rtcpParser);
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void HandleSDESChunk(RTCPUtility::RTCPParserV2& rtcpParser);
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void HandleXrHeader(RTCPUtility::RTCPParserV2& parser,
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RTCPHelp::RTCPPacketInformation& rtcpPacketInformation);
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void HandleXrReceiveReferenceTime(
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RTCPUtility::RTCPParserV2& parser,
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RTCPHelp::RTCPPacketInformation& rtcpPacketInformation);
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void HandleXrDlrrReportBlock(
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RTCPUtility::RTCPParserV2& parser,
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RTCPHelp::RTCPPacketInformation& rtcpPacketInformation);
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void HandleXrDlrrReportBlockItem(
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const RTCPUtility::RTCPPacket& packet,
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RTCPHelp::RTCPPacketInformation& rtcpPacketInformation);
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void HandleXRVOIPMetric(
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RTCPUtility::RTCPParserV2& rtcpParser,
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RTCPHelp::RTCPPacketInformation& rtcpPacketInformation);
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void HandleNACK(RTCPUtility::RTCPParserV2& rtcpParser,
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RTCPHelp::RTCPPacketInformation& rtcpPacketInformation);
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void HandleNACKItem(const RTCPUtility::RTCPPacket& rtcpPacket,
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RTCPHelp::RTCPPacketInformation& rtcpPacketInformation);
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void HandleBYE(RTCPUtility::RTCPParserV2& rtcpParser);
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void HandlePLI(RTCPUtility::RTCPParserV2& rtcpParser,
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RTCPHelp::RTCPPacketInformation& rtcpPacketInformation);
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void HandleSLI(RTCPUtility::RTCPParserV2& rtcpParser,
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RTCPHelp::RTCPPacketInformation& rtcpPacketInformation);
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void HandleSLIItem(const RTCPUtility::RTCPPacket& rtcpPacket,
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RTCPHelp::RTCPPacketInformation& rtcpPacketInformation);
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void HandleRPSI(RTCPUtility::RTCPParserV2& rtcpParser,
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RTCPHelp::RTCPPacketInformation& rtcpPacketInformation);
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void HandlePsfbApp(RTCPUtility::RTCPParserV2& rtcpParser,
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RTCPHelp::RTCPPacketInformation& rtcpPacketInformation);
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void HandleREMBItem(RTCPUtility::RTCPParserV2& rtcpParser,
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RTCPHelp::RTCPPacketInformation& rtcpPacketInformation);
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void HandleIJ(RTCPUtility::RTCPParserV2& rtcpParser,
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RTCPHelp::RTCPPacketInformation& rtcpPacketInformation);
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void HandleIJItem(const RTCPUtility::RTCPPacket& rtcpPacket,
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RTCPHelp::RTCPPacketInformation& rtcpPacketInformation);
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void HandleTMMBR(RTCPUtility::RTCPParserV2& rtcpParser,
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RTCPHelp::RTCPPacketInformation& rtcpPacketInformation);
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void HandleTMMBRItem(RTCPHelp::RTCPReceiveInformation& receiveInfo,
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const RTCPUtility::RTCPPacket& rtcpPacket,
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RTCPHelp::RTCPPacketInformation& rtcpPacketInformation,
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uint32_t senderSSRC);
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void HandleTMMBN(RTCPUtility::RTCPParserV2& rtcpParser,
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RTCPHelp::RTCPPacketInformation& rtcpPacketInformation);
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void HandleSR_REQ(RTCPUtility::RTCPParserV2& rtcpParser,
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RTCPHelp::RTCPPacketInformation& rtcpPacketInformation);
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void HandleTMMBNItem(RTCPHelp::RTCPReceiveInformation& receiveInfo,
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const RTCPUtility::RTCPPacket& rtcpPacket);
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void HandleFIR(RTCPUtility::RTCPParserV2& rtcpParser,
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RTCPHelp::RTCPPacketInformation& rtcpPacketInformation);
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void HandleFIRItem(RTCPHelp::RTCPReceiveInformation* receiveInfo,
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const RTCPUtility::RTCPPacket& rtcpPacket,
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RTCPHelp::RTCPPacketInformation& rtcpPacketInformation);
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void HandleAPP(RTCPUtility::RTCPParserV2& rtcpParser,
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RTCPHelp::RTCPPacketInformation& rtcpPacketInformation);
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void HandleAPPItem(RTCPUtility::RTCPParserV2& rtcpParser,
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RTCPHelp::RTCPPacketInformation& rtcpPacketInformation);
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private:
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typedef std::map<uint32_t, RTCPHelp::RTCPReceiveInformation*>
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ReceivedInfoMap;
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// RTCP report block information mapped by remote SSRC.
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typedef std::map<uint32_t, RTCPHelp::RTCPReportBlockInformation*>
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ReportBlockInfoMap;
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// RTCP report block information map mapped by source SSRC.
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typedef std::map<uint32_t, ReportBlockInfoMap> ReportBlockMap;
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RTCPHelp::RTCPReportBlockInformation* CreateOrGetReportBlockInformation(
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uint32_t remote_ssrc, uint32_t source_ssrc)
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EXCLUSIVE_LOCKS_REQUIRED(_criticalSectionRTCPReceiver);
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RTCPHelp::RTCPReportBlockInformation* GetReportBlockInformation(
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uint32_t remote_ssrc, uint32_t source_ssrc) const
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EXCLUSIVE_LOCKS_REQUIRED(_criticalSectionRTCPReceiver);
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int32_t _id;
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Clock* _clock;
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RTCPMethod _method;
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int64_t _lastReceived;
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ModuleRtpRtcpImpl& _rtpRtcp;
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CriticalSectionWrapper* _criticalSectionFeedbacks;
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RtcpBandwidthObserver* _cbRtcpBandwidthObserver;
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RtcpIntraFrameObserver* _cbRtcpIntraFrameObserver;
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CriticalSectionWrapper* _criticalSectionRTCPReceiver;
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uint32_t main_ssrc_;
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uint32_t _remoteSSRC;
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std::set<uint32_t> registered_ssrcs_;
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// Received send report
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RTCPSenderInfo _remoteSenderInfo;
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// when did we receive the last send report
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uint32_t _lastReceivedSRNTPsecs;
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uint32_t _lastReceivedSRNTPfrac;
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// Received XR receive time report.
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RtcpReceiveTimeInfo _remoteXRReceiveTimeInfo;
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// Time when the report was received.
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uint32_t _lastReceivedXRNTPsecs;
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uint32_t _lastReceivedXRNTPfrac;
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// Estimated rtt, zero when there is no valid estimate.
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int64_t xr_rr_rtt_ms_;
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// Received report blocks.
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ReportBlockMap _receivedReportBlockMap
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GUARDED_BY(_criticalSectionRTCPReceiver);
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ReceivedInfoMap _receivedInfoMap;
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std::map<uint32_t, RTCPUtility::RTCPCnameInformation*> _receivedCnameMap;
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uint32_t _packetTimeOutMS;
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// The last time we received an RTCP RR.
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int64_t _lastReceivedRrMs;
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// The time we last received an RTCP RR telling we have successfully
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// delivered RTP packet to the remote side.
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int64_t _lastIncreasedSequenceNumberMs;
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RtcpStatisticsCallback* stats_callback_;
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RtcpPacketTypeCounter packet_type_counter_;
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RTCPUtility::NackStats nack_stats_;
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};
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} // namespace webrtc
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#endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_RECEIVER_H_
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