172 lines
4.6 KiB
C
172 lines
4.6 KiB
C
/* *
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* $Id: rtcp.h 391 2006-09-27 13:43:01Z shawill $
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*
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* This file is part of Fenice
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*
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* Fenice -- Open Media Server
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*
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* Copyright (C) 2004 by
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*
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* - Giampaolo Mancini <giampaolo.mancini@polito.it>
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* - Francesco Varano <francesco.varano@polito.it>
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* - Marco Penno <marco.penno@polito.it>
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* - Federico Ridolfo <federico.ridolfo@polito.it>
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* - Eugenio Menegatti <m.eu@libero.it>
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* - Stefano Cau
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* - Giuliano Emma
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* - Stefano Oldrini
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*
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* Fenice is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* Fenice is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Fenice; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* */
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#ifndef _RTCPH
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#define _RTCPH
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#include "rtp.h"
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//#define MAX_PKT_SIZE 548 /* 576 - 20 - 8 = Minimum Reassembly Buffer Size - IP datagram header - UDP header: in octects */
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//#define MAX_SDES_LEN 255 /* in octects */
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/*#define RTCP_MIN_TIME 5.0
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#define RTCP_SENDER_BW_FRACTION 0.25
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#define RTCP_RCVR_BW_FRACTION 0.75
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#define COMPENSATION 1.21828 *//* e - 1.5 */
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typedef enum {
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SR = 200,
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RR = 201,
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SDES = 202,
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BYE = 203,
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APP = 204
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} rtcp_pkt_type;
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typedef enum {
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CNAME = 1,
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NAME = 2,
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EMAIL = 3,
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PHONE = 4,
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LOC = 5,
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TOOL = 6,
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NOTE = 7,
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PRIV = 8
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} rtcp_info;
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typedef struct _RTCP_header {
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#if (BYTE_ORDER == LITTLE_ENDIAN)
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unsigned int count: 5; //SC oppure RC
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unsigned int padding: 1;
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unsigned int version: 2;
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#elif (BYTE_ORDER == BIG_ENDIAN)
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unsigned int version: 2;
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unsigned int padding: 1;
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unsigned int count: 5; //SC oppure RC
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#else
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#error Neither big nor little
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#endif
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unsigned int pt: 8;
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unsigned int length: 16;
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} RTCP_header;
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typedef struct _RTCP_header_SR {
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unsigned int ssrc;
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unsigned int ntp_timestampH;
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unsigned int ntp_timestampL;
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unsigned int rtp_timestamp;
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unsigned int pkt_count;
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unsigned int octet_count;
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} RTCP_header_SR;
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typedef struct _RTCP_header_RR {
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unsigned int ssrc;
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} RTCP_header_RR;
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typedef struct _RTCP_header_SR_report_block {
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unsigned long ssrc;
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unsigned char fract_lost;
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unsigned char pck_lost[3];
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unsigned int h_seq_no;
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unsigned int jitter;
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unsigned int last_SR;
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unsigned int delay_last_SR;
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} RTCP_header_SR_report_block;
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#pragma pack(1)
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typedef struct _RTCP_header_SDES {
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unsigned int ssrc;
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unsigned char attr_name;
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unsigned char len;
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} RTCP_header_SDES;
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#pragma pack()
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typedef struct _RTCP_header_BYE {
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unsigned int ssrc;
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unsigned char length;
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} RTCP_header_BYE;
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int RTCP_send_packet(RTP_session *session, rtcp_pkt_type type);
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int RTCP_recv_packet(RTP_session *session);
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int RTCP_handler(RTP_session *session);
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int RTCP_get_pkt_lost(RTP_session *session);
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// Quanti pacchetti (RTP) ha perso il client
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uint32 RTCP_get_fract_lost(RTP_session *session);
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// Quanti byte ha perso il client
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unsigned int RTCP_get_jitter(RTP_session *session);
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// Il jitter
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unsigned int RTCP_get_RR_received(RTP_session *session);
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// Quanti pacchetti RR ha ricevuto il server dal client
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unsigned int RTCP_get_total_packet(RTP_session *session);
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// Quanti pacchetti ha spedito il server
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unsigned int RTCP_get_total_payload_octet(RTP_session *session);
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// Quanti byte ha spedito il server
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// int RTCP_parse(char *buff,RTP_session *session);
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// Effettua il parsing di un pacchetto RTCP
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// int RTCP_send_SDES(RTP_session *session);
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int RTCP_get_pkt_lost(RTP_session *session);
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// Quanti pacchetti (RTP) ha perso il client
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uint32 RTCP_get_fract_lost(RTP_session *session);
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// Quanti byte ha perso il client
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unsigned int RTCP_get_jitter(RTP_session *session);
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// Il jitter
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unsigned int RTCP_get_total_packet(RTP_session *session);
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// Quanti pacchetti ha spedito il server
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unsigned int RTCP_get_total_payload_octet(RTP_session *session);
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// Quanti byte ha spedito il server
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// int RTCP_parse(char *buff,RTP_session *session);
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// Effettua il parsing di un pacchetto RTCP
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// int RTCP_send_SDES(RTP_session *session);
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// Spedisce un pacchetto Source DEScription sulla base dei dati in *session.
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// int RTCP_send_SR(RTP_session *session);
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// Spedisce un pacchetto Source Report sulla base dei dati in *session.
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#endif
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