1 /* 2 * Copyright (c) 2004-2006 Maxim Sobolev <sobomax@FreeBSD.org> 3 * Copyright (c) 2006-2015 Sippy Software, Inc., http://www.sippysoft.com 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 */ 28 29 #ifndef _RTP_PACKET_H_ 30 #define _RTP_PACKET_H_ 31 32 struct rtp_info; 33 struct rtpp_wi; 34 35 struct rtp_packet { 36 size_t size; 37 38 struct sockaddr_storage raddr; 39 struct sockaddr_storage _laddr; 40 struct sockaddr *laddr; 41 int lport; 42 43 socklen_t rlen; 44 double rtime; 45 46 struct rtp_packet *next; 47 struct rtp_packet *prev; 48 49 struct rtp_info *parsed; 50 rtp_parser_err_t parse_result; 51 52 struct rtpp_wi *wi; 53 54 /* 55 * The packet, keep it the last member so that we can use 56 * memcpy() only on portion that it's actually being 57 * utilized. 58 */ 59 union { 60 rtp_hdr_t header; 61 unsigned char buf[8192]; 62 } data; 63 }; 64 65 struct rtp_packet *rtp_packet_alloc(); 66 void rtp_packet_free(struct rtp_packet *); 67 void rtp_packet_set_seq(struct rtp_packet *, uint16_t seq); 68 void rtp_packet_set_ts(struct rtp_packet *, uint32_t ts); 69 70 #define RTPP_DUP_HDRONLY 0x1 /* Do not copy payload, only headers, requires packet to be parsed */ 71 void rtp_packet_dup(struct rtp_packet *, struct rtp_packet *, int); 72 73 #endif 74