1 /* 2 * Copyright (c) 2004-2006 Maxim Sobolev <sobomax@FreeBSD.org> 3 * Copyright (c) 2006-2007 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_ANALYZE_H_ 30 #define _RTP_ANALYZE_H_ 31 32 struct rtpp_log; 33 struct rtpa_stats_jitter; 34 35 #define PT_UNKN 128 36 37 struct rtpp_session_stat_last { 38 long long pcount; 39 uint32_t min_seq; 40 uint32_t max_seq; 41 uint32_t seq_offset; 42 struct rtpp_ssrc ssrc; 43 uint32_t seen[4096]; 44 uint32_t duplicates; 45 uint32_t base_ts; 46 uint16_t seq; 47 uint8_t pt; 48 double base_rtime; 49 }; 50 51 struct rtp_analyze_jitter; 52 53 struct rtpp_session_stat { 54 uint32_t ssrc_changes; 55 uint32_t psent; 56 uint32_t precvd; 57 uint32_t duplicates; 58 uint32_t desync_count; 59 uint32_t seq_res_count; 60 struct rtpp_session_stat_last last; 61 struct rtp_analyze_jitter *jdata; 62 }; 63 64 enum update_rtpp_stats_rval {UPDATE_OK = 0, UPDATE_SSRC_CHG = 1, UPDATE_ERR = -1}; 65 66 int rtpp_stats_init(struct rtpp_session_stat *); 67 void rtpp_stats_destroy(struct rtpp_session_stat *); 68 enum update_rtpp_stats_rval update_rtpp_stats(struct rtpp_log *, 69 struct rtpp_session_stat *, rtp_hdr_t *, struct rtp_info *, double); 70 void update_rtpp_totals(struct rtpp_session_stat *, struct rtpp_session_stat *); 71 int get_jitter_stats(struct rtp_analyze_jitter *, struct rtpa_stats_jitter *); 72 73 #endif 74