rtpstructs.h

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00001 /*
00002 
00003   This file is a part of JRTPLIB
00004   Copyright (c) 1999-2007 Jori Liesenborgs
00005 
00006   Contact: jori.liesenborgs@gmail.com
00007 
00008   This library was developed at the "Expertisecentrum Digitale Media"
00009   (http://www.edm.uhasselt.be), a research center of the Hasselt University
00010   (http://www.uhasselt.be). The library is based upon work done for 
00011   my thesis at the School for Knowledge Technology (Belgium/The Netherlands).
00012 
00013   Permission is hereby granted, free of charge, to any person obtaining a
00014   copy of this software and associated documentation files (the "Software"),
00015   to deal in the Software without restriction, including without limitation
00016   the rights to use, copy, modify, merge, publish, distribute, sublicense,
00017   and/or sell copies of the Software, and to permit persons to whom the
00018   Software is furnished to do so, subject to the following conditions:
00019 
00020   The above copyright notice and this permission notice shall be included
00021   in all copies or substantial portions of the Software.
00022 
00023   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
00024   OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00025   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
00026   THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00027   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
00028   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
00029   IN THE SOFTWARE.
00030 
00031 */
00032 
00037 #ifndef RTPSTRUCTS_H
00038 
00039 #define RTPSTRUCTS_H
00040 
00041 #include "rtpconfig.h"
00042 #include "rtptypes.h"
00043 
00044 struct RTPHeader
00045 {
00046 #ifdef RTP_BIG_ENDIAN
00047         uint8_t version:2;
00048         uint8_t padding:1;
00049         uint8_t extension:1;
00050         uint8_t csrccount:4;
00051         
00052         uint8_t marker:1;
00053         uint8_t payloadtype:7;
00054 #else // little endian
00055         uint8_t csrccount:4;
00056         uint8_t extension:1;
00057         uint8_t padding:1;
00058         uint8_t version:2;
00059         
00060         uint8_t payloadtype:7;
00061         uint8_t marker:1;
00062 #endif // RTP_BIG_ENDIAN
00063         
00064         uint16_t sequencenumber;
00065         uint32_t timestamp;
00066         uint32_t ssrc;
00067 };
00068 
00069 struct RTPExtensionHeader
00070 {
00071         uint16_t extid;
00072         uint16_t length;
00073 };
00074 
00075 struct RTPSourceIdentifier
00076 {
00077         uint32_t ssrc;
00078 };
00079 
00080 struct RTCPCommonHeader
00081 {
00082 #ifdef RTP_BIG_ENDIAN
00083         uint8_t version:2;
00084         uint8_t padding:1;
00085         uint8_t count:5;
00086 #else // little endian
00087         uint8_t count:5;
00088         uint8_t padding:1;
00089         uint8_t version:2;
00090 #endif // RTP_BIG_ENDIAN
00091 
00092         uint8_t packettype;
00093         uint16_t length;
00094 };
00095 
00096 struct RTCPSenderReport
00097 {
00098         uint32_t ntptime_msw;
00099         uint32_t ntptime_lsw;
00100         uint32_t rtptimestamp;
00101         uint32_t packetcount;
00102         uint32_t octetcount;
00103 };
00104 
00105 struct RTCPReceiverReport
00106 {
00107         uint32_t ssrc; // Identifies about which SSRC's data this report is...
00108         uint8_t fractionlost;
00109         uint8_t packetslost[3];
00110         uint32_t exthighseqnr;
00111         uint32_t jitter;
00112         uint32_t lsr;
00113         uint32_t dlsr;
00114 };
00115 
00116 struct RTCPSDESHeader
00117 {
00118         uint8_t sdesid;
00119         uint8_t length;
00120 };
00121 
00122 #endif // RTPSTRUCTS
00123 

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