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257a892998
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@495 d0543943-73ff-0310-b7d9-9358b9ac24b2
216 lines
7.6 KiB
C++
216 lines
7.6 KiB
C++
/*
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This file is a part of JRTPLIB
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Copyright (c) 1999-2005 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 RTPSESSION_H
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#define RTPSESSION_H
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#include "rtpconfig.h"
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#include "rtplibraryversion.h"
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#include "rtppacketbuilder.h"
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#include "rtpsessionsources.h"
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#include "rtptransmitter.h"
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#include "rtpcollisionlist.h"
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#include "rtcpscheduler.h"
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#include "rtcppacketbuilder.h"
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#include "rtptimeutilities.h"
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#include <list>
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#ifdef RTP_SUPPORT_THREAD
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#include <jmutex.h>
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#endif // RTP_SUPPORT_THREAD
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class RTPTransmitter;
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class RTPSessionParams;
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class RTPTransmissionParams;
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class RTPAddress;
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class RTPSourceData;
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class RTPPacket;
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class RTPPollThread;
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class RTPTransmissionInfo;
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class RTCPCompoundPacket;
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class RTCPPacket;
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class RTCPAPPPacket;
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class RTPSession
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{
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public:
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RTPSession(RTPTransmitter::TransmissionProtocol proto = RTPTransmitter::IPv4UDPProto);
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virtual ~RTPSession();
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int Create(const RTPSessionParams &sessparams,const RTPTransmissionParams *transparams = 0);
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void Destroy();
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void BYEDestroy(const RTPTime &maxwaittime,const void *reason,size_t reasonlength);
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bool IsActive();
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u_int32_t GetLocalSSRC();
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int AddDestination(const RTPAddress &addr);
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int DeleteDestination(const RTPAddress &addr);
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void ClearDestinations();
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bool SupportsMulticasting();
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int JoinMulticastGroup(const RTPAddress &addr);
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int LeaveMulticastGroup(const RTPAddress &addr);
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void LeaveAllMulticastGroups();
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int SendPacket(const void *data,size_t len);
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int SendPacket(const void *data,size_t len,
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u_int8_t pt,bool mark,u_int32_t timestampinc);
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int SendPacketEx(const void *data,size_t len,
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u_int16_t hdrextID,const void *hdrextdata,size_t numhdrextwords);
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int SendPacketEx(const void *data,size_t len,
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u_int8_t pt,bool mark,u_int32_t timestampinc,
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u_int16_t hdrextID,const void *hdrextdata,size_t numhdrextwords);
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int SetDefaultPayloadType(u_int8_t pt);
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int SetDefaultMark(bool m);
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int SetDefaultTimestampIncrement(u_int32_t timestampinc);
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int IncrementTimestamp(u_int32_t inc);
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int IncrementTimestampDefault();
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RTPTransmissionInfo *GetTransmissionInfo();
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int Poll();
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int WaitForIncomingData(const RTPTime &delay,bool *dataavailable = 0);
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int AbortWait();
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RTPTime GetRTCPDelay();
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// The following methods (GotoFirstSource till GetNextPacket) should
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// be called between calls to BeginDataAccess end EndDataAccess. This
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// makes sure that nasty things don't happen (e.g. when a background
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// thread is polling for data)
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int BeginDataAccess();
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bool GotoFirstSource();
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bool GotoNextSource();
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bool GotoPreviousSource();
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bool GotoFirstSourceWithData();
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bool GotoNextSourceWithData();
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bool GotoPreviousSourceWithData();
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RTPSourceData *GetCurrentSourceInfo();
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RTPSourceData *GetSourceInfo(u_int32_t ssrc);
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RTPPacket *GetNextPacket();
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int EndDataAccess();
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int SetReceiveMode(RTPTransmitter::ReceiveMode m);
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int AddToIgnoreList(const RTPAddress &addr);
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int DeleteFromIgnoreList(const RTPAddress &addr);
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void ClearIgnoreList();
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int AddToAcceptList(const RTPAddress &addr);
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int DeleteFromAcceptList(const RTPAddress &addr);
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void ClearAcceptList();
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int SetMaximumPacketSize(size_t s);
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int SetSessionBandwidth(double bw);
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int SetTimestampUnit(double u);
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void SetNameInterval(int count);
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void SetEMailInterval(int count);
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void SetLocationInterval(int count);
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void SetPhoneInterval(int count);
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void SetToolInterval(int count);
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void SetNoteInterval(int count);
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int SetLocalName(const void *s,size_t len);
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int SetLocalEMail(const void *s,size_t len);
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int SetLocalLocation(const void *s,size_t len);
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int SetLocalPhone(const void *s,size_t len);
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int SetLocalTool(const void *s,size_t len);
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int SetLocalNote(const void *s,size_t len);
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#ifdef RTPDEBUG
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void DumpSources();
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void DumpTransmitter();
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#endif // RTPDEBUG
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protected:
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virtual RTPTransmitter *NewUserDefinedTransmitter() { return 0; }
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virtual void OnRTPPacket(RTPPacket *pack,const RTPTime &receivetime,
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const RTPAddress *senderaddress) { }
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virtual void OnRTCPCompoundPacket(RTCPCompoundPacket *pack,const RTPTime &receivetime,
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const RTPAddress *senderaddress) { }
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virtual void OnSSRCCollision(RTPSourceData *srcdat,const RTPAddress *senderaddress,bool isrtp) { }
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virtual void OnCNAMECollision(RTPSourceData *srcdat,const RTPAddress *senderaddress,
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const u_int8_t *cname,size_t cnamelength) { }
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virtual void OnNewSource(RTPSourceData *srcdat) { }
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virtual void OnRemoveSource(RTPSourceData *srcdat) { }
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virtual void OnTimeout(RTPSourceData *srcdat) { }
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virtual void OnBYETimeout(RTPSourceData *srcdat) { }
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virtual void OnAPPPacket(RTCPAPPPacket *apppacket,const RTPTime &receivetime,
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const RTPAddress *senderaddress) { }
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virtual void OnUnknownPacketType(RTCPPacket *rtcppack,const RTPTime &receivetime,
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const RTPAddress *senderaddress) { }
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virtual void OnUnknownPacketFormat(RTCPPacket *rtcppack,const RTPTime &receivetime,
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const RTPAddress *senderaddress) { }
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virtual void OnNoteTimeout(RTPSourceData *srcdat) { }
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virtual void OnBYEPacket(RTPSourceData *srcdat) { }
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#ifdef RTP_SUPPORT_THREAD
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virtual void OnPollThreadError(int errcode) { }
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virtual void OnPollThreadStep() { }
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#endif // RTP_SUPPORT_THREAD
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private:
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int CreateCNAME(u_int8_t *buffer,size_t *bufferlength,bool resolve);
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int ProcessPolledData();
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int ProcessRTCPCompoundPacket(RTCPCompoundPacket &rtcpcomppack,RTPRawPacket *pack);
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RTPTransmitter *rtptrans;
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const RTPTransmitter::TransmissionProtocol protocol;
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bool created;
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bool usingpollthread;
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bool acceptownpackets;
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bool useSR_BYEifpossible;
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size_t maxpacksize;
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double sessionbandwidth;
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double controlfragment;
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double sendermultiplier;
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double byemultiplier;
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double membermultiplier;
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double collisionmultiplier;
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double notemultiplier;
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RTPSessionSources sources;
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RTPPacketBuilder packetbuilder;
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RTCPScheduler rtcpsched;
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RTCPPacketBuilder rtcpbuilder;
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RTPCollisionList collisionlist;
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std::list<RTCPCompoundPacket *> byepackets;
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#ifdef RTP_SUPPORT_THREAD
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RTPPollThread *pollthread;
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JMutex sourcesmutex,buildermutex,schedmutex;
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friend class RTPPollThread;
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#endif // RTP_SUPPORT_THREAD
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friend class RTPSessionSources;
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};
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#endif // RTPSESSION_H
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