1/**********
2This library is free software; you can redistribute it and/or modify it under
3the terms of the GNU Lesser General Public License as published by the
4Free Software Foundation; either version 3 of the License, or (at your
5option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)
6
7This library is distributed in the hope that it will be useful, but WITHOUT
8ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
9FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
10more details.
11
12You should have received a copy of the GNU Lesser General Public License
13along with this library; if not, write to the Free Software Foundation, Inc.,
1451 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
15**********/
16// "liveMedia"
17// Copyright (c) 1996-2020 Live Networks, Inc. All rights reserved.
18// A 'ServerMediaSubsession' object that represents an existing
19// 'RTPSink', rather than one that creates new 'RTPSink's on demand.
20// C++ header
21
22#ifndef _PASSIVE_SERVER_MEDIA_SUBSESSION_HH
23#define _PASSIVE_SERVER_MEDIA_SUBSESSION_HH
24
25#ifndef _SERVER_MEDIA_SESSION_HH
26#include "ServerMediaSession.hh"
27#endif
28
29#ifndef _RTP_SINK_HH
30#include "RTPSink.hh"
31#endif
32#ifndef _RTCP_HH
33#include "RTCP.hh"
34#endif
35
36class PassiveServerMediaSubsession: public ServerMediaSubsession {
37public:
38 static PassiveServerMediaSubsession* createNew(RTPSink& rtpSink,
39 RTCPInstance* rtcpInstance = NULL);
40
41protected:
42 PassiveServerMediaSubsession(RTPSink& rtpSink, RTCPInstance* rtcpInstance);
43 // called only by createNew();
44 virtual ~PassiveServerMediaSubsession();
45
46 virtual Boolean rtcpIsMuxed();
47
48protected: // redefined virtual functions
49 virtual char const* sdpLines();
50 virtual void getStreamParameters(unsigned clientSessionId,
51 netAddressBits clientAddress,
52 Port const& clientRTPPort,
53 Port const& clientRTCPPort,
54 int tcpSocketNum,
55 unsigned char rtpChannelId,
56 unsigned char rtcpChannelId,
57 netAddressBits& destinationAddress,
58 u_int8_t& destinationTTL,
59 Boolean& isMulticast,
60 Port& serverRTPPort,
61 Port& serverRTCPPort,
62 void*& streamToken);
63 virtual void startStream(unsigned clientSessionId, void* streamToken,
64 TaskFunc* rtcpRRHandler,
65 void* rtcpRRHandlerClientData,
66 unsigned short& rtpSeqNum,
67 unsigned& rtpTimestamp,
68 ServerRequestAlternativeByteHandler* serverRequestAlternativeByteHandler,
69 void* serverRequestAlternativeByteHandlerClientData);
70 virtual float getCurrentNPT(void* streamToken);
71 virtual void getRTPSinkandRTCP(void* streamToken,
72 RTPSink const*& rtpSink, RTCPInstance const*& rtcp);
73 virtual void deleteStream(unsigned clientSessionId, void*& streamToken);
74
75protected:
76 char* fSDPLines;
77 RTPSink& fRTPSink;
78 RTCPInstance* fRTCPInstance;
79 HashTable* fClientRTCPSourceRecords; // indexed by client session id; used to implement RTCP "RR" handling
80};
81
82#endif
83