/usr/include/pjmedia/transport_udp.h is in libpjproject-dev 2.7.2~dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 | /* $Id: transport_udp.h 3553 2011-05-05 06:14:19Z nanang $ */
/*
* Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
* Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __PJMEDIA_TRANSPORT_UDP_H__
#define __PJMEDIA_TRANSPORT_UDP_H__
/**
* @file transport_udp.h
* @brief Stream transport with UDP.
*/
#include <pjmedia/stream.h>
/**
* @defgroup PJMEDIA_TRANSPORT_UDP UDP Media Transport
* @ingroup PJMEDIA_TRANSPORT
* @brief Implementation of media transport with UDP sockets.
* @{
*
* The UDP media transport is the standard based media transport
* as described by RFC 3550/3551. It can be used to facilitate RTP/RTCP
* unicast or multicast communication.
*/
PJ_BEGIN_DECL
/**
* Options that can be specified when creating UDP transport.
*/
enum pjmedia_transport_udp_options
{
/**
* Normally the UDP transport will continuously check the source address
* of incoming packets to see if it is different than the configured
* remote address, and switch the remote address to the source address
* of the packet if they are different after several packets are
* received.
* Specifying this option will disable this feature.
*/
PJMEDIA_UDP_NO_SRC_ADDR_CHECKING = 1
};
/**
* Create an RTP and RTCP sockets and bind the sockets to the specified
* port to create media transport.
*
* @param endpt The media endpoint instance.
* @param name Optional name to be assigned to the transport.
* @param port UDP port number for the RTP socket. The RTCP port number
* will be set to one above RTP port.
* @param options Options, bitmask of #pjmedia_transport_udp_options.
* @param p_tp Pointer to receive the transport instance.
*
* @return PJ_SUCCESS on success.
*/
PJ_DECL(pj_status_t) pjmedia_transport_udp_create(pjmedia_endpt *endpt,
const char *name,
int port,
unsigned options,
pjmedia_transport **p_tp);
/**
* Create an RTP and RTCP sockets and bind the sockets to the specified
* address and port to create media transport.
*
* @param endpt The media endpoint instance.
* @param name Optional name to be assigned to the transport.
* @param addr Optional local address to bind the sockets to. If this
* argument is NULL or empty, the sockets will be bound
* to all interface.
* @param port UDP port number for the RTP socket. The RTCP port number
* will be set to one above RTP port.
* @param options Options, bitmask of #pjmedia_transport_udp_options.
* @param p_tp Pointer to receive the transport instance.
*
* @return PJ_SUCCESS on success.
*/
PJ_DECL(pj_status_t) pjmedia_transport_udp_create2(pjmedia_endpt *endpt,
const char *name,
const pj_str_t *addr,
int port,
unsigned options,
pjmedia_transport **p_tp);
/**
* Another variant of #pjmedia_transport_udp_create() which allows
* the creation of IPv6 transport.
*
* @param endpt The media endpoint instance.
* @param af Address family, which can be pj_AF_INET() for IPv4 or
* pj_AF_INET6() for IPv6.
* @param name Optional name to be assigned to the transport.
* @param addr Optional local address to bind the sockets to. If this
* argument is NULL or empty, the sockets will be bound
* to all interface.
* @param port UDP port number for the RTP socket. The RTCP port number
* will be set to one above RTP port.
* @param options Options, bitmask of #pjmedia_transport_udp_options.
* @param p_tp Pointer to receive the transport instance.
*
* @return PJ_SUCCESS on success.
*/
PJ_DECL(pj_status_t) pjmedia_transport_udp_create3(pjmedia_endpt *endpt,
int af,
const char *name,
const pj_str_t *addr,
int port,
unsigned options,
pjmedia_transport **p_tp);
/**
* Create UDP stream transport from existing sockets. Use this function when
* the sockets have previously been created.
*
* @param endpt The media endpoint instance.
* @param name Optional name to be assigned to the transport.
* @param si Media socket info containing the RTP and RTCP sockets.
* @param options Options, bitmask of #pjmedia_transport_udp_options.
* @param p_tp Pointer to receive the transport instance.
*
* @return PJ_SUCCESS on success.
*/
PJ_DECL(pj_status_t) pjmedia_transport_udp_attach(pjmedia_endpt *endpt,
const char *name,
const pjmedia_sock_info *si,
unsigned options,
pjmedia_transport **p_tp);
PJ_END_DECL
/**
* @}
*/
#endif /* __PJMEDIA_TRANSPORT_UDP_H__ */
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