doubao_chat/include_lib/net/streaming_media_server/fenice/rtcp.h

172 lines
4.6 KiB
C

/* *
* $Id: rtcp.h 391 2006-09-27 13:43:01Z shawill $
*
* This file is part of Fenice
*
* Fenice -- Open Media Server
*
* Copyright (C) 2004 by
*
* - Giampaolo Mancini <giampaolo.mancini@polito.it>
* - Francesco Varano <francesco.varano@polito.it>
* - Marco Penno <marco.penno@polito.it>
* - Federico Ridolfo <federico.ridolfo@polito.it>
* - Eugenio Menegatti <m.eu@libero.it>
* - Stefano Cau
* - Giuliano Emma
* - Stefano Oldrini
*
* Fenice 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.
*
* Fenice 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 Fenice; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* */
#ifndef _RTCPH
#define _RTCPH
#include "rtp.h"
//#define MAX_PKT_SIZE 548 /* 576 - 20 - 8 = Minimum Reassembly Buffer Size - IP datagram header - UDP header: in octects */
//#define MAX_SDES_LEN 255 /* in octects */
/*#define RTCP_MIN_TIME 5.0
#define RTCP_SENDER_BW_FRACTION 0.25
#define RTCP_RCVR_BW_FRACTION 0.75
#define COMPENSATION 1.21828 *//* e - 1.5 */
typedef enum {
SR = 200,
RR = 201,
SDES = 202,
BYE = 203,
APP = 204
} rtcp_pkt_type;
typedef enum {
CNAME = 1,
NAME = 2,
EMAIL = 3,
PHONE = 4,
LOC = 5,
TOOL = 6,
NOTE = 7,
PRIV = 8
} rtcp_info;
typedef struct _RTCP_header {
#if (BYTE_ORDER == LITTLE_ENDIAN)
unsigned int count: 5; //SC oppure RC
unsigned int padding: 1;
unsigned int version: 2;
#elif (BYTE_ORDER == BIG_ENDIAN)
unsigned int version: 2;
unsigned int padding: 1;
unsigned int count: 5; //SC oppure RC
#else
#error Neither big nor little
#endif
unsigned int pt: 8;
unsigned int length: 16;
} RTCP_header;
typedef struct _RTCP_header_SR {
unsigned int ssrc;
unsigned int ntp_timestampH;
unsigned int ntp_timestampL;
unsigned int rtp_timestamp;
unsigned int pkt_count;
unsigned int octet_count;
} RTCP_header_SR;
typedef struct _RTCP_header_RR {
unsigned int ssrc;
} RTCP_header_RR;
typedef struct _RTCP_header_SR_report_block {
unsigned long ssrc;
unsigned char fract_lost;
unsigned char pck_lost[3];
unsigned int h_seq_no;
unsigned int jitter;
unsigned int last_SR;
unsigned int delay_last_SR;
} RTCP_header_SR_report_block;
#pragma pack(1)
typedef struct _RTCP_header_SDES {
unsigned int ssrc;
unsigned char attr_name;
unsigned char len;
} RTCP_header_SDES;
#pragma pack()
typedef struct _RTCP_header_BYE {
unsigned int ssrc;
unsigned char length;
} RTCP_header_BYE;
int RTCP_send_packet(RTP_session *session, rtcp_pkt_type type);
int RTCP_recv_packet(RTP_session *session);
int RTCP_handler(RTP_session *session);
int RTCP_get_pkt_lost(RTP_session *session);
// Quanti pacchetti (RTP) ha perso il client
uint32 RTCP_get_fract_lost(RTP_session *session);
// Quanti byte ha perso il client
unsigned int RTCP_get_jitter(RTP_session *session);
// Il jitter
unsigned int RTCP_get_RR_received(RTP_session *session);
// Quanti pacchetti RR ha ricevuto il server dal client
unsigned int RTCP_get_total_packet(RTP_session *session);
// Quanti pacchetti ha spedito il server
unsigned int RTCP_get_total_payload_octet(RTP_session *session);
// Quanti byte ha spedito il server
// int RTCP_parse(char *buff,RTP_session *session);
// Effettua il parsing di un pacchetto RTCP
// int RTCP_send_SDES(RTP_session *session);
int RTCP_get_pkt_lost(RTP_session *session);
// Quanti pacchetti (RTP) ha perso il client
uint32 RTCP_get_fract_lost(RTP_session *session);
// Quanti byte ha perso il client
unsigned int RTCP_get_jitter(RTP_session *session);
// Il jitter
unsigned int RTCP_get_total_packet(RTP_session *session);
// Quanti pacchetti ha spedito il server
unsigned int RTCP_get_total_payload_octet(RTP_session *session);
// Quanti byte ha spedito il server
// int RTCP_parse(char *buff,RTP_session *session);
// Effettua il parsing di un pacchetto RTCP
// int RTCP_send_SDES(RTP_session *session);
// Spedisce un pacchetto Source DEScription sulla base dei dati in *session.
// int RTCP_send_SR(RTP_session *session);
// Spedisce un pacchetto Source Report sulla base dei dati in *session.
#endif