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comparison: netwerk/srtp/src/include/rtp.h
netwerk/srtp/src/include/rtp.h
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| 1 /* | |
| 2 * rtp.h | |
| 3 * | |
| 4 * rtp interface for srtp reference implementation | |
| 5 * | |
| 6 * David A. McGrew | |
| 7 * Cisco Systems, Inc. | |
| 8 * | |
| 9 * data types: | |
| 10 * | |
| 11 * rtp_msg_t an rtp message (the data that goes on the wire) | |
| 12 * rtp_sender_t sender side socket and rtp info | |
| 13 * rtp_receiver_t receiver side socket and rtp info | |
| 14 * | |
| 15 */ | |
| 16 | |
| 17 /* | |
| 18 * | |
| 19 * Copyright (c) 2001-2006, Cisco Systems, Inc. | |
| 20 * All rights reserved. | |
| 21 * | |
| 22 * Redistribution and use in source and binary forms, with or without | |
| 23 * modification, are permitted provided that the following conditions | |
| 24 * are met: | |
| 25 * | |
| 26 * Redistributions of source code must retain the above copyright | |
| 27 * notice, this list of conditions and the following disclaimer. | |
| 28 * | |
| 29 * Redistributions in binary form must reproduce the above | |
| 30 * copyright notice, this list of conditions and the following | |
| 31 * disclaimer in the documentation and/or other materials provided | |
| 32 * with the distribution. | |
| 33 * | |
| 34 * Neither the name of the Cisco Systems, Inc. nor the names of its | |
| 35 * contributors may be used to endorse or promote products derived | |
| 36 * from this software without specific prior written permission. | |
| 37 * | |
| 38 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 39 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 40 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | |
| 41 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | |
| 42 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, | |
| 43 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
| 44 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
| 45 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 46 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
| 47 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 48 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
| 49 * OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 50 * | |
| 51 */ | |
| 52 | |
| 53 | |
| 54 #ifndef RTP_H | |
| 55 #define RTP_H | |
| 56 | |
| 57 #ifdef HAVE_NETINET_IN_H | |
| 58 # include <netinet/in.h> | |
| 59 #elif defined HAVE_WINSOCK2_H | |
| 60 # include <winsock2.h> | |
| 61 #endif | |
| 62 | |
| 63 #include "srtp.h" | |
| 64 | |
| 65 typedef struct rtp_sender_ctx_t *rtp_sender_t; | |
| 66 | |
| 67 typedef struct rtp_receiver_ctx_t *rtp_receiver_t; | |
| 68 | |
| 69 int | |
| 70 rtp_sendto(rtp_sender_t sender, const void* msg, int len); | |
| 71 | |
| 72 int | |
| 73 rtp_recvfrom(rtp_receiver_t receiver, void *msg, int *len); | |
| 74 | |
| 75 int | |
| 76 rtp_receiver_init(rtp_receiver_t rcvr, int sock, | |
| 77 struct sockaddr_in addr, unsigned int ssrc); | |
| 78 | |
| 79 int | |
| 80 rtp_sender_init(rtp_sender_t sender, int sock, | |
| 81 struct sockaddr_in addr, unsigned int ssrc); | |
| 82 | |
| 83 /* | |
| 84 * srtp_sender_init(...) initializes an rtp_sender_t | |
| 85 */ | |
| 86 | |
| 87 int | |
| 88 srtp_sender_init(rtp_sender_t rtp_ctx, /* structure to be init'ed */ | |
| 89 struct sockaddr_in name, /* socket name */ | |
| 90 sec_serv_t security_services, /* sec. servs. to be used */ | |
| 91 unsigned char *input_key /* master key/salt in hex */ | |
| 92 ); | |
| 93 | |
| 94 int | |
| 95 srtp_receiver_init(rtp_receiver_t rtp_ctx, /* structure to be init'ed */ | |
| 96 struct sockaddr_in name, /* socket name */ | |
| 97 sec_serv_t security_services, /* sec. servs. to be used */ | |
| 98 unsigned char *input_key /* master key/salt in hex */ | |
| 99 ); | |
| 100 | |
| 101 | |
| 102 int | |
| 103 rtp_sender_init_srtp(rtp_sender_t sender, const srtp_policy_t *policy); | |
| 104 | |
| 105 int | |
| 106 rtp_sender_deinit_srtp(rtp_sender_t sender); | |
| 107 | |
| 108 int | |
| 109 rtp_receiver_init_srtp(rtp_receiver_t sender, const srtp_policy_t *policy); | |
| 110 | |
| 111 int | |
| 112 rtp_receiver_deinit_srtp(rtp_receiver_t sender); | |
| 113 | |
| 114 | |
| 115 rtp_sender_t | |
| 116 rtp_sender_alloc(void); | |
| 117 | |
| 118 void | |
| 119 rtp_sender_dealloc(rtp_sender_t rtp_ctx); | |
| 120 | |
| 121 rtp_receiver_t | |
| 122 rtp_receiver_alloc(void); | |
| 123 | |
| 124 void | |
| 125 rtp_receiver_dealloc(rtp_receiver_t rtp_ctx); | |
| 126 | |
| 127 | |
| 128 /* | |
| 129 * RTP_HEADER_LEN indicates the size of an RTP header | |
| 130 */ | |
| 131 #define RTP_HEADER_LEN 12 | |
| 132 | |
| 133 /* | |
| 134 * RTP_MAX_BUF_LEN defines the largest RTP packet in the rtp.c implementation | |
| 135 */ | |
| 136 #define RTP_MAX_BUF_LEN 16384 | |
| 137 | |
| 138 | |
| 139 #endif /* RTP_H */ |
