git-svn-id: http://webrtc.googlecode.com/svn/trunk@4 4adac7df-926f-26a2-2b94-8c16560cd09d
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niklase@google.com
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modules/rtp_rtcp/source/rtcp_receiver.h
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modules/rtp_rtcp/source/rtcp_receiver.h
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/*
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* Copyright (c) 2011 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 "typedefs.h"
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#include "map_wrapper.h"
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#include "rtp_utility.h"
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#include "rtcp_utility.h"
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#include "rtp_rtcp_defines.h"
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#include "rtp_rtcp_private.h"
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#include "rtcp_receiver_help.h"
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namespace webrtc {
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class RTCPReceiver
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{
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public:
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RTCPReceiver(const WebRtc_Word32 id, ModuleRtpRtcpPrivate& callback);
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virtual ~RTCPReceiver();
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void ChangeUniqueId(const WebRtc_Word32 id);
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RTCPMethod Status() const;
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WebRtc_Word32 SetRTCPStatus(const RTCPMethod method);
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WebRtc_UWord32 LastReceived();
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void SetSSRC( const WebRtc_UWord32 ssrc);
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void SetRelaySSRC( const WebRtc_UWord32 ssrc);
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WebRtc_Word32 SetRemoteSSRC( const WebRtc_UWord32 ssrc);
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WebRtc_UWord32 RelaySSRC() const;
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WebRtc_Word32 RegisterIncomingRTCPCallback(RtcpFeedback* incomingMessagesCallback);
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WebRtc_Word32 RegisterIncomingVideoCallback(RtpVideoFeedback* incomingMessagesCallback);
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WebRtc_Word32 IncomingRTCPPacket(RTCPHelp::RTCPPacketInformation& rtcpPacketInformation,
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RTCPUtility::RTCPParserV2 *rtcpParser);
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void TriggerCallbacksFromRTCPPacket(RTCPHelp::RTCPPacketInformation& rtcpPacketInformation);
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// get received cname
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WebRtc_Word32 CNAME(const WebRtc_UWord32 remoteSSRC,
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WebRtc_Word8 cName[RTCP_CNAME_SIZE]) const;
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// get received NTP
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WebRtc_Word32 NTP(WebRtc_UWord32 *ReceivedNTPsecs,
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WebRtc_UWord32 *ReceivedNTPfrac,
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WebRtc_UWord32 *RTCPArrivalTimeSecs,
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WebRtc_UWord32 *RTCPArrivalTimeFrac) const;
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// get rtt
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WebRtc_Word32 RTT(const WebRtc_UWord32 remoteSSRC,
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WebRtc_UWord16* RTT,
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WebRtc_UWord16* avgRTT,
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WebRtc_UWord16* minRTT,
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WebRtc_UWord16* maxRTT) const;
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WebRtc_Word32 ResetRTT(const WebRtc_UWord32 remoteSSRC);
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void UpdateLipSync(const WebRtc_Word32 audioVideoOffset) const;
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WebRtc_Word32 SenderInfoReceived(RTCPSenderInfo* senderInfo) const;
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void OnReceivedIntraFrameRequest(const WebRtc_UWord8 message) const;
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void OnReceivedSliceLossIndication(const WebRtc_UWord8 pitureID) const;
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void OnReceivedReferencePictureSelectionIndication(const WebRtc_UWord64 pitureID) const;
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// get statistics
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WebRtc_Word32 StatisticsReceived(const WebRtc_UWord32 remoteSSRC,
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RTCPReportBlock* receiveBlock) const;
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// Get TMMBR
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WebRtc_Word32 TMMBRReceived(const WebRtc_UWord32 size,
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const WebRtc_UWord32 accNumCandidates,
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TMMBRSet* candidateSet) const;
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bool UpdateRTCPReceiveInformationTimers();
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void UpdateBandwidthEstimate(const WebRtc_UWord16 bwEstimateKbit);
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WebRtc_Word32 BoundingSet(bool &tmmbrOwner,
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TMMBRSet*& boundingSetRec);
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WebRtc_Word32 SetPacketTimeout(const WebRtc_UWord32 timeoutMS);
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void PacketTimeout();
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protected:
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RTCPHelp::RTCPReportBlockInformation* CreateReportBlockInformation(const WebRtc_UWord32 remoteSSRC);
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RTCPHelp::RTCPReportBlockInformation* GetReportBlockInformation(const WebRtc_UWord32 remoteSSRC) const;
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RTCPUtility::RTCPCnameInformation* CreateCnameInformation(const WebRtc_UWord32 remoteSSRC);
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RTCPUtility::RTCPCnameInformation* GetCnameInformation(const WebRtc_UWord32 remoteSSRC) const;
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RTCPHelp::RTCPReceiveInformation* CreateReceiveInformation(const WebRtc_UWord32 remoteSSRC);
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RTCPHelp::RTCPReceiveInformation* GetReceiveInformation(const WebRtc_UWord32 remoteSSRC);
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void UpdateReceiveInformation( RTCPHelp::RTCPReceiveInformation& receiveInformation);
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void HandleSenderReceiverReport(RTCPUtility::RTCPParserV2& rtcpParser,
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RTCPHelp::RTCPPacketInformation& rtcpPacketInformation);
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void HandleReportBlock(const RTCPUtility::RTCPPacket& rtcpPacket,
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RTCPHelp::RTCPPacketInformation& rtcpPacketInformation,
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const WebRtc_UWord32 remoteSSRC,
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const WebRtc_UWord8 numberOfReportBlocks);
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void HandleSDES(RTCPUtility::RTCPParserV2& rtcpParser);
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void HandleSDESChunk(RTCPUtility::RTCPParserV2& rtcpParser);
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void HandleXRVOIPMetric(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 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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const WebRtc_UWord32 senderSSRC);
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void HandleTMMBN(RTCPUtility::RTCPParserV2& rtcpParser);
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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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WebRtc_Word32 _id;
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RTCPMethod _method;
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WebRtc_UWord32 _lastReceived;
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ModuleRtpRtcpPrivate& _cbRtcpPrivate;
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CriticalSectionWrapper& _criticalSectionFeedbacks;
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RtcpFeedback* _cbRtcpFeedback;
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RtpVideoFeedback* _cbVideoFeedback;
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CriticalSectionWrapper& _criticalSectionRTCPReceiver;
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WebRtc_UWord32 _SSRC;
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WebRtc_UWord32 _remoteSSRC;
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// Received send report
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RTCPSenderInfo _remoteSenderInfo;
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WebRtc_UWord32 _lastReceivedSRNTPsecs; // when did we receive the last send report
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WebRtc_UWord32 _lastReceivedSRNTPfrac;
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// Received report block
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MapWrapper _receivedReportBlockMap; // pair SSRC to report block
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MapWrapper _receivedInfoMap; // pair SSRC of sender to might not be a SSRC that have any data (i.e. a conference)
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MapWrapper _receivedCnameMap; // pair SSRC to Cname
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// timeout
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WebRtc_UWord32 _packetTimeOutMS;
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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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