4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
6 // The contents of this file are subject to the Fraunhofer FOKUS Public License
7 // Version 1.0 (the "License"); you may not use this file except in compliance
8 // with the License. You may obtain a copy of the License at
9 // http://senf.berlios.de/license.html
11 // The Fraunhofer FOKUS Public License Version 1.0 is based on,
12 // but modifies the Mozilla Public License Version 1.1.
13 // See the full license text for the amendments.
15 // Software distributed under the License is distributed on an "AS IS" basis,
16 // WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
17 // for the specific language governing rights and limitations under the License.
19 // The Original Code is Fraunhofer FOKUS code.
21 // The Initial Developer of the Original Code is Fraunhofer-Gesellschaft e.V.
22 // (registered association), Hansastraße 27 c, 80686 Munich, Germany.
23 // All Rights Reserved.
26 // Philipp Batroff <pug@berlios.de>
29 \brief RTPPacket public header */
31 #ifndef HH_SENF_Packets_DefaultBundle_RTPPacket_
32 #define HH_SENF_Packets_DefaultBundle_RTPPacket_ 1
35 #include <senf/Packets/Packets.hh>
37 //-/////////////////////////////////////////////////////////////////////////////////////////////////
40 struct RTPPacketParser : public PacketParserBase
42 # include SENF_PARSER()
43 SENF_PARSER_BITFIELD ( version, 2, unsigned ); //Version (RFC 3550)
44 SENF_PARSER_BITFIELD ( padding, 1, bool ); //1 if padding behind payload
45 SENF_PARSER_BITFIELD ( extension, 1, bool );
46 SENF_PARSER_BITFIELD_RO ( csrcCount, 4, unsigned ); //0-15,define the number of contributing sources
47 SENF_PARSER_BITFIELD ( marker, 1, bool ); //Marker M=1, used to signal speech silent compression; further use in combination with PT to be defined
48 SENF_PARSER_BITFIELD ( payloadType, 7, unsigned ); //Payload Type; e.g. PCM=8 (RFC 3550)
49 SENF_PARSER_FIELD ( seqNumber, UInt16Parser ); //random number to identify initial segment of a stream, increment by 1 used to resequence segments at receiver
50 SENF_PARSER_FIELD ( timeStamp, UInt32Parser ); //signals sampling time of 1st byte of payload; initialized; used to calculate Jitter between segments
51 SENF_PARSER_FIELD ( synSourceId, UInt32Parser ); //Synchronization source identifier; identifier of RFTP stream source (random number) in case of conferencing identifier of mixer
52 SENF_PARSER_VECTOR (csrcOpt, csrcCount, UInt32Parser );
54 SENF_PARSER_FINALIZE(RTPPacketParser);
56 bool valid() const { return version() == 2; }
60 : public PacketTypeBase,
61 public PacketTypeMixin<RTPPacketType>
63 typedef PacketTypeMixin<RTPPacketType> mixin;
64 typedef ConcretePacket<RTPPacketType> packet;
65 typedef RTPPacketParser parser;
67 using mixin::nextPacketRange;
69 using mixin::initSize;
71 static void dump(packet p, std::ostream & os);
74 typedef RTPPacketType::packet RTPPacket;
78 //-/////////////////////////////////////////////////////////////////////////////////////////////////