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Diffstat (limited to 'src/rtcpsrpacket.cpp')
| -rw-r--r-- | src/rtcpsrpacket.cpp | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/src/rtcpsrpacket.cpp b/src/rtcpsrpacket.cpp new file mode 100644 index 0000000..2ccc395 --- /dev/null +++ b/src/rtcpsrpacket.cpp @@ -0,0 +1,101 @@ +/* + + This file is a part of JRTPLIB + Copyright (c) 1999-2007 Jori Liesenborgs + + Contact: jori.liesenborgs@gmail.com + + This library was developed at the "Expertisecentrum Digitale Media" + (http://www.edm.uhasselt.be), a research center of the Hasselt University + (http://www.uhasselt.be). The library is based upon work done for + my thesis at the School for Knowledge Technology (Belgium/The Netherlands). + + Permission is hereby granted, free of charge, to any person obtaining a + copy of this software and associated documentation files (the "Software"), + to deal in the Software without restriction, including without limitation + the rights to use, copy, modify, merge, publish, distribute, sublicense, + and/or sell copies of the Software, and to permit persons to whom the + Software is furnished to do so, subject to the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + IN THE SOFTWARE. + +*/ + +#include "rtcpsrpacket.h" +#ifdef RTPDEBUG + #include <iostream> +#endif // RTPDEBUG + +#include "rtpdebug.h" + +RTCPSRPacket::RTCPSRPacket(uint8_t *data,size_t datalength) + : RTCPPacket(SR,data,datalength) +{ + knownformat = false; + + RTCPCommonHeader *hdr; + size_t len = datalength; + size_t expectedlength; + + hdr = (RTCPCommonHeader *)data; + if (hdr->padding) + { + uint8_t padcount = data[datalength-1]; + if ((padcount & 0x03) != 0) // not a multiple of four! (see rfc 3550 p 37) + return; + if (((size_t)padcount) >= len) + return; + len -= (size_t)padcount; + } + + expectedlength = sizeof(RTCPCommonHeader)+sizeof(uint32_t)+sizeof(RTCPSenderReport); + expectedlength += sizeof(RTCPReceiverReport)*((int)hdr->count); + + if (expectedlength != len) + return; + + knownformat = true; +} + +#ifdef RTPDEBUG +void RTCPSRPacket::Dump() +{ + RTCPPacket::Dump(); + if (!IsKnownFormat()) + std::cout << " Unknown format" << std::endl; + else + { + int num = GetReceptionReportCount(); + int i; + RTPNTPTime t = GetNTPTimestamp(); + + std::cout << " SSRC of sender: " << GetSenderSSRC() << std::endl; + std::cout << " Sender info:" << std::endl; + std::cout << " NTP timestamp: " << t.GetMSW() << ":" << t.GetLSW() << std::endl; + std::cout << " RTP timestamp: " << GetRTPTimestamp() << std::endl; + std::cout << " Packet count: " << GetSenderPacketCount() << std::endl; + std::cout << " Octet count: " << GetSenderOctetCount() << std::endl; + for (i = 0 ; i < num ; i++) + { + std::cout << " Report block " << i << std::endl; + std::cout << " SSRC: " << GetSSRC(i) << std::endl; + std::cout << " Fraction lost: " << (uint32_t)GetFractionLost(i) << std::endl; + std::cout << " Packets lost: " << GetLostPacketCount(i) << std::endl; + std::cout << " Seq. nr.: " << GetExtendedHighestSequenceNumber(i) << std::endl; + std::cout << " Jitter: " << GetJitter(i) << std::endl; + std::cout << " LSR: " << GetLSR(i) << std::endl; + std::cout << " DLSR: " << GetDLSR(i) << std::endl; + } + } +} +#endif // RTPDEBUG + |