rtplocalinfo.h
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上传日期:2007-06-09
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- /*
- This file is a part of JRTPLIB
- Copyright (c) 1999-2000 Jori Liesenborgs
- Contact: jori@lumumba.luc.ac.be
- This library (JRTPLIB) was partially developed 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.
- */
- #ifndef RTPLOCALINFO_H
- #define RTPLOCALINFO_H
- #include "rtpconfig.h"
- #include "rtpdefines.h"
- #include "rtprandom.h"
- #include "rtpstructs.h"
- #include "rtptimeutil.h"
- class RTPLocalInfo
- {
- public:
- RTPLocalInfo();
- ~RTPLocalInfo();
- void Clear();
- inline void CreateSessionParameters(); // generates random timestamp, seqnum
- inline void SetDefaultPayloadType(unsigned char pt);
- inline void SetDefaultMark(bool m);
- inline void SetDefaultTimestampInc(unsigned long inc);
- void SetTimestampUnit(double tsu) { tsunit = tsu; }
- int portbase;
- int maxpacksize;
- RTPuint16 seqnum;
- RTPuint32 timestamp,timestampoffset;
- RTPuint32 packetcount,octetcount;
- struct timeval tsoffsettime;
- bool defptset,defmarkset,deftsincset,defvaluesset;
- bool defmark;
- unsigned char defpayloadtype;
- unsigned long deftsinc;
- double tsunit;
- private:
- RTPRandom rand;
- };
- inline void RTPLocalInfo::CreateSessionParameters()
- {
- timestamp = rand.RandomUInt32();
- timestampoffset = timestamp;
- seqnum = rand.RandomUInt16();
- gettimeofday(&tsoffsettime,NULL);
- }
- inline void RTPLocalInfo::SetDefaultPayloadType(unsigned char pt)
- {
- defpayloadtype = pt;
- defptset = true;
- if (defmarkset && deftsincset)
- defvaluesset = true;
- }
- inline void RTPLocalInfo::SetDefaultMark(bool m)
- {
- defmark = m;
- defmarkset = true;
- if (defptset && deftsincset)
- defvaluesset = true;
- }
- inline void RTPLocalInfo::SetDefaultTimestampInc(unsigned long inc)
- {
- deftsinc = inc;
- deftsincset = true;
- if (defptset && defmarkset)
- defvaluesset = true;
- }
- #endif // RTPLOCALINFO_H