159 lines
4.3 KiB
C++
159 lines
4.3 KiB
C++
/*
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This file is a part of JRTPLIB
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Copyright (c) 1999-2006 Jori Liesenborgs
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Contact: jori@lumumba.uhasselt.be
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This library was developed at the "Expertisecentrum Digitale Media"
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(http://www.edm.uhasselt.be), a research center of the Hasselt University
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(http://www.uhasselt.be). The library is based upon work done for
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my thesis at the School for Knowledge Technology (Belgium/The Netherlands).
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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IN THE SOFTWARE.
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*/
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#ifndef RTCPRRPACKET_H
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#define RTCPRRPACKET_H
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#include "rtpconfig.h"
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#include "rtcppacket.h"
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#include "rtpstructs.h"
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#if ! (defined(WIN32) || defined(_WIN32_WCE))
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#include <netinet/in.h>
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#endif // WIN32
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class RTCPCompoundPacket;
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class RTCPRRPacket : public RTCPPacket
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{
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public:
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RTCPRRPacket(uint8_t *data,size_t datalen);
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~RTCPRRPacket() { }
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// Sender info
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uint32_t GetSenderSSRC() const;
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// Reportblocks
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int GetReceptionReportCount() const;
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// Note: the validity of index is NOT checked!
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uint32_t GetSSRC(int index) const;
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uint8_t GetFractionLost(int index) const;
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int32_t GetLostPacketCount(int index) const;
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uint32_t GetExtendedHighestSequenceNumber(int index) const;
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uint32_t GetJitter(int index) const;
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uint32_t GetLSR(int index) const;
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uint32_t GetDLSR(int index) const;
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#ifdef RTPDEBUG
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void Dump();
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#endif // RTPDEBUG
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private:
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RTCPReceiverReport *GotoReport(int index) const;
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};
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inline uint32_t RTCPRRPacket::GetSenderSSRC() const
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{
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if (!knownformat)
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return 0;
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uint32_t *ssrcptr = (uint32_t *)(data+sizeof(RTCPCommonHeader));
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return ntohl(*ssrcptr);
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}
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inline int RTCPRRPacket::GetReceptionReportCount() const
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{
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if (!knownformat)
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return 0;
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RTCPCommonHeader *hdr = (RTCPCommonHeader *)data;
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return ((int)hdr->count);
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}
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inline RTCPReceiverReport *RTCPRRPacket::GotoReport(int index) const
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{
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RTCPReceiverReport *r = (RTCPReceiverReport *)(data+sizeof(RTCPCommonHeader)+sizeof(uint32_t)+index*sizeof(RTCPReceiverReport));
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return r;
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}
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inline uint32_t RTCPRRPacket::GetSSRC(int index) const
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{
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if (!knownformat)
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return 0;
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RTCPReceiverReport *r = GotoReport(index);
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return ntohl(r->ssrc);
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}
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inline uint8_t RTCPRRPacket::GetFractionLost(int index) const
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{
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if (!knownformat)
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return 0;
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RTCPReceiverReport *r = GotoReport(index);
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return r->fractionlost;
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}
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inline int32_t RTCPRRPacket::GetLostPacketCount(int index) const
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{
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if (!knownformat)
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return 0;
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RTCPReceiverReport *r = GotoReport(index);
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uint32_t count = ((uint32_t)r->packetslost[2])|(((uint32_t)r->packetslost[1])<<8)|(((uint32_t)r->packetslost[0])<<16);
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if ((count&0x00800000) != 0) // test for negative number
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count |= 0xFF000000;
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int32_t *count2 = (int32_t *)(&count);
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return (*count2);
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}
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inline uint32_t RTCPRRPacket::GetExtendedHighestSequenceNumber(int index) const
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{
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if (!knownformat)
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return 0;
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RTCPReceiverReport *r = GotoReport(index);
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return ntohl(r->exthighseqnr);
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}
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inline uint32_t RTCPRRPacket::GetJitter(int index) const
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{
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if (!knownformat)
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return 0;
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RTCPReceiverReport *r = GotoReport(index);
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return ntohl(r->jitter);
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}
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inline uint32_t RTCPRRPacket::GetLSR(int index) const
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{
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if (!knownformat)
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return 0;
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RTCPReceiverReport *r = GotoReport(index);
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return ntohl(r->lsr);
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}
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inline uint32_t RTCPRRPacket::GetDLSR(int index) const
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{
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if (!knownformat)
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return 0;
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RTCPReceiverReport *r = GotoReport(index);
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return ntohl(r->dlsr);
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}
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#endif // RTCPRRPACKET_H
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