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00031 #ifndef OPAL_OPAL_RTPCONN_H
00032 #define OPAL_OPAL_RTPCONN_H
00033
00034 #ifdef P_USE_PRAGMA
00035 #pragma interface
00036 #endif
00037
00038 #include <opal/buildopts.h>
00039
00040 #include <opal/connection.h>
00041 #include <opal/mediatype.h>
00042 #include <opal/mediasession.h>
00043 #include <rtp/rtp_session.h>
00044 #include <ptlib/bitwise_enum.h>
00045
00046
00047 class OpalRTPEndPoint;
00048
00049
00053 class OpalRTPConnection : public OpalConnection
00054 {
00055 PCLASSINFO(OpalRTPConnection, OpalConnection);
00056 public:
00061 OpalRTPConnection(
00062 OpalCall & call,
00063 OpalRTPEndPoint & endpoint,
00064 const PString & token,
00065 unsigned options = 0,
00066 OpalConnection::StringOptions * stringOptions = NULL
00067 );
00068
00071 ~OpalRTPConnection();
00072
00090 virtual void OnReleased();
00092
00093
00108 virtual OpalMediaStream * CreateMediaStream(
00109 const OpalMediaFormat & mediaFormat,
00110 unsigned sessionID,
00111 PBoolean isSource
00112 );
00113
00123 virtual bool GetMediaTransportAddresses(
00124 const OpalMediaType & mediaType,
00125 OpalTransportAddressArray & transports
00126 ) const;
00127
00141 virtual void AdjustMediaFormats(
00142 bool local,
00143 const OpalConnection * otherConnection,
00144 OpalMediaFormatList & mediaFormats
00145 ) const;
00146
00155 virtual void OnPatchMediaStream(
00156 PBoolean isSource,
00157 OpalMediaPatch & patch
00158 );
00159
00165 virtual bool OnMediaCommand(
00166 OpalMediaStream & stream,
00167 const OpalMediaCommand & command
00168 );
00169
00170 virtual PBoolean SendUserInputTone(
00171 char tone,
00172 unsigned duration = 0
00173 );
00175
00176
00181 virtual unsigned GetNextSessionID(
00182 const OpalMediaType & mediaType,
00183 bool isSource
00184 );
00185
00186 P_DECLARE_BITWISE_ENUM(CreateMediaSessionsSecurity, 2, (e_NoMediaSessions, e_ClearMediaSession, e_SecureMediaSession));
00187
00197 vector<bool> CreateAllMediaSessions(
00198 CreateMediaSessionsSecurity security
00199 );
00200
00205 virtual OpalMediaSession * CreateMediaSession(
00206 unsigned sessionId,
00207 const OpalMediaType & mediaType,
00208 const PString & sessionType = PString::Empty()
00209 );
00210
00214 virtual OpalMediaSession * GetMediaSession(
00215 unsigned sessionID
00216 ) const;
00217
00221 virtual OpalMediaSession * FindSessionByLocalPort(
00222 WORD port
00223 ) const;
00224
00233 virtual OpalMediaSession * UseMediaSession(
00234 unsigned sessionId,
00235 const OpalMediaType & mediaType,
00236 const PString & sessionType = PString::Empty()
00237 );
00238
00241 virtual void ReleaseMediaSession(
00242 unsigned sessionID
00243 );
00244
00250 virtual bool ChangeSessionID(
00251 unsigned fromSessionID,
00252 unsigned toSessionID
00253 );
00254
00257 virtual void ReplaceMediaSession(
00258 unsigned sessionId,
00259 OpalMediaSession * mediaSession
00260 );
00261
00264 virtual bool SetSessionQoS(
00265 OpalRTPSession * session
00266 );
00268
00288 virtual void DetermineRTPNAT(
00289 const PIPSocket::Address & localAddr,
00290 const PIPSocket::Address & peerAddr,
00291 const PIPSocket::Address & signalAddr
00292 );
00294
00295 class SessionMap : public PSafeDictionary<PKey<unsigned>, OpalMediaSession>
00296 {
00297 public:
00298 void MoveFrom(SessionMap & other);
00299 };
00300
00301 protected:
00302 virtual bool GarbageCollection();
00303 PDECLARE_NOTIFIER(OpalRFC2833Info, OpalRTPConnection, OnUserInputInlineRFC2833);
00304
00305 void CheckForMediaBypass(OpalMediaSession & session);
00306
00307 SessionMap m_sessions;
00308 bool m_remoteBehindNAT;
00309
00310 OpalRFC2833Proto * m_rfc2833Handler;
00311 #if OPAL_T38_CAPABILITY
00312 OpalRFC2833Proto * m_ciscoNSEHandler;
00313 #endif
00314
00315 #if OPAL_VIDEO
00316 PSimpleTimer m_rtcpIntraFrameRequestTimer;
00317 #endif
00318
00319 P_REMOVE_VIRTUAL(PBoolean,IsRTPNATEnabled(const PIPSocket::Address&,const PIPSocket::Address&,const PIPSocket::Address&,PBoolean),false);
00320 };
00321
00322
00323 #endif // OPAL_OPAL_RTPCONN_H