rtppacket.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 RTPPACKET_H
- #define RTPPACKET_H
- #include "rtpconfig.h"
- #include "rtpdefines.h"
- #include "rtpdebug.h"
- #include "rtpstructs.h"
- class RTPPacket RTPDEBUGBASE
- {
- public:
- RTPPacket(RTPHeader *rtphdr,unsigned char *rawdat,unsigned char *payloadptr,int paylden);
- ~RTPPacket();
- unsigned long GetSSRC() { return syncsource; }
- unsigned long GetExtendedSequenceNumber() { return extendedseqnum; }
- unsigned long GetTimeStamp() { return timestamp; }
- int GetPayloadLength() { return payloadlen; }
- unsigned char *GetRawPacket() { return rawdata; }
- unsigned char *GetPayload() { return payloaddata; }
- unsigned char GetPayloadType() { return payloadtype; }
- bool IsMarked() { return marked; }
- int GetNumberOfCSRCs() { return numcontribsources; }
- inline unsigned long GetCSRC(int pos);
- bool HasHeaderExtension() { return hashdrext; }
- unsigned short GetHeaderExtensionID() { return hdrextensionID; }
- int GetHeaderExtensionLength() { return hdrextlen; }
- unsigned char *GetHeaderExtensionData() { return hdrextdata; }
- private:
- RTPuint16 seqnum;
- RTPuint32 extendedseqnum;
- RTPuint32 timestamp;
- RTPuint32 syncsource;
- RTPuint32 contribsources[15];
- int numcontribsources;
- bool marked;
- bool hashdrext;
- RTPuint16 hdrextensionID;
- int hdrextlen;
- unsigned char *hdrextdata;
- int payloadlen;
- unsigned char *rawdata;
- unsigned char *payloaddata; // payload data is a pointer into the rawdata block
- unsigned char payloadtype;
- RTPPacket *prev,*next;
- friend class RTPSourceData;
- friend class RTPSourceStats;
- friend class RTPSources;
- };
- inline unsigned long RTPPacket::GetCSRC(int pos)
- {
- if (pos < 0 || pos >= numcontribsources)
- return 0;
- return contribsources[pos];
- }
- #endif // RTPPACKET_H