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/*
* xine_input_vdr_net.h:
*
* See the main source file 'xineliboutput.c' for copyright information and
* how to reach the author.
*
* $Id: xine_input_vdr_net.h,v 1.3 2006-07-05 01:21:36 phintuka Exp $
*
*/
#ifndef __XINE_INPUT_VDR_NET_H_
#define __XINE_INPUT_VDR_NET_H_
#include <arpa/inet.h>
#include <endian.h>
/*
* Default port(s)
*/
#ifndef DEFAULT_VDR_PORT
# define DEFAULT_VDR_PORT 37890
#endif
#ifndef DISCOVERY_PORT
# define DISCOVERY_PORT 37890
#endif
/*
* Byte-order conversions
*/
#if __BYTE_ORDER == __BIG_ENDIAN
# define ntohll(val) (val)
# define htonll(val) (val)
# define ntohull(val) (val)
# define htonull(val) (val)
#else
# define ntohll(val) ((int64_t)ntohull((uint64_t)val))
# define htonll(val) ((int64_t)htonull((uint64_t)val))
# define ntohull(val) \
((uint64_t) ntohl((uint32_t)((val) >> 32)) | \
(uint64_t) ntohl((uint32_t)(val)) << 32)
# define htonull(val) \
((uint64_t) htonl((uint32_t)((val) >> 32)) | \
(uint64_t) htonl((uint32_t)(val)) << 32)
#endif
/*
* Network packet headers
*/
#if defined __cplusplus
extern "C" {
#endif
/*
* TCP / PIPE
*/
typedef struct stream_tcp_header {
uint64_t pos; /* stream position of first byte */
uint32_t len; /* length of following PES packet */
} __attribute__ ((packed)) stream_tcp_header_t;
#define TCP_PAYLOAD(frame) (((uchar *)frame) + sizeof(stream_tcp_header_t))
/*
* UDP
*/
typedef struct stream_udp_header {
uint64_t pos; /* stream position of first byte */
/* -1ULL and first bytes of frame != 00 00 01 */
/* --> embedded control stream data */
uint16_t seq; /* packet sequence number
(for re-ordering and detecting missing packets) */
} __attribute__ ((packed)) stream_udp_header_t;
#define UDP_PAYLOAD(frame) (((uchar *)frame) + sizeof(stream_udp_header_t))
#define UDP_SEQ_MASK 0xff
/*
* RTP (RFC 1889): A Transport Protocol for Real-Time Applications
*/
/* RTP data header */
typedef struct stream_rtp_header {
union {
uint8_t raw[12];
struct {
#if __BYTE_ORDER == __BIG_ENDIAN
unsigned int version:2; /* protocol version */
unsigned int padding:1; /* padding flag */
unsigned int ext:1; /* header extension flag */
unsigned int cc:4; /* CSRC count */
unsigned int marker:1; /* marker bit */
unsigned int paytype:7; /* payload type */
#else
unsigned int cc:4; /* CSRC count */
unsigned int ext:1; /* header extension flag */
unsigned int padding:1; /* padding flag */
unsigned int version:2; /* protocol version */
unsigned int paytype:7; /* payload type */
unsigned int marker:1; /* marker bit */
#endif
uint16_t seq; /* sequence number */
uint32_t ts; /* timestamp */
uint32_t ssrc; /* synchronization source */
/*uint32_t csrc[0];*/ /* optional CSRC list */
};
};
uint8_t payload[0];
} __attribute__ ((packed)) stream_rtp_header_t;
#define RTP_VERSION 2
#define RTP_MARKER_BIT 0x80
#define RTP_PAYLOAD_TYPE 96 /* application */
#define RTP_VERSION_BYTE (RTP_VERSION<<6)
#define RTP_PAYLOAD_TYPE_M (RTP_PAYLOAD_TYPE|RTP_MARKER_BIT)
#define RTP_PAYLOAD(frame) (((uchar *)frame) + sizeof(stream_rtp_header_t))
/* RTCP packet types */
typedef enum {
RTCP_SR = 200,
RTCP_RR = 201,
RTCP_SDES = 202,
RTCP_BYE = 203,
RTCP_APP = 204
} rtcp_type_t;
/* RTCP SDES types */
typedef enum {
RTCP_SDES_END = 0,
RTCP_SDES_CNAME = 1,
RTCP_SDES_NAME = 2,
RTCP_SDES_EMAIL = 3,
RTCP_SDES_PHONE = 4,
RTCP_SDES_LOC = 5,
RTCP_SDES_TOOL = 6,
RTCP_SDES_NOTE = 7,
RTCP_SDES_PRIV = 8
} rtcp_sdes_type_t;
/* RTCP common header word */
typedef struct {
union {
struct {
#if __BYTE_ORDER == __BIG_ENDIAN
unsigned int version:2; /* protocol version */
unsigned int padding:1; /* padding flag */
unsigned int count:5; /* varies by packet type */
#else
unsigned int count:5; /* varies by packet type */
unsigned int padding:1; /* padding flag */
unsigned int version:2; /* protocol version */
#endif
unsigned int ptype:8; /* RTCP packet type */
uint16_t length; /* pkt len in words, w/o this word */
};
uint8_t raw[4];
};
} __attribute__ ((packed)) rtcp_common_t;
/* RTCP RR (Reception report) */
typedef struct {
uint32_t ssrc; /* data source being reported */
unsigned int fraction:8; /* fraction lost since last SR/RR */
int lost:24; /* cumul. no. pkts lost (signed!) */
uint32_t last_seq; /* extended last seq. no. received */
uint32_t jitter; /* interarrival jitter */
uint32_t lsr; /* last SR packet from this source */
uint32_t dlsr; /* delay since last SR packet */
} __attribute__ ((packed)) rtcp_rr_t;
/* RTCP SR (Sender report) */
typedef struct {
uint32_t ssrc;
uint32_t ntp_sec; /* NTP timestamp, most significant word / seconds */
uint32_t ntp_frac;
uint32_t rtp_ts;
uint32_t psent; /* packets sent */
uint32_t osent; /* octets sent */
rtcp_rr_t rr[0]; /* variable-length list */
} __attribute__ ((packed)) rtcp_sr_t;
/* RTCP SDES item */
typedef struct {
uint8_t type; /* type of item (rtcp_sdes_type_t) */
uint8_t length; /* length of item (in octets) */
char data[0]; /* text, not null-terminated */
} __attribute__ ((packed)) rtcp_sdes_item_t;
/* RTCP packet */
typedef struct {
rtcp_common_t hdr;
union {
rtcp_sr_t sr;
struct {
uint32_t ssrc;
rtcp_rr_t rr[0];
} rr;
struct {
uint32_t ssrc; /* first SSRC/CSRC */
rtcp_sdes_item_t item[0]; /* list of SDES items */
} sdes;
struct {
uint32_t src[0]; /* list of sources */
/* can't express trailing text for reason */
} bye;
};
} __attribute__ ((packed)) rtcp_packet_t;
#if defined __cplusplus
}
#endif
#endif /*__XINE_INPUT_VDR_NET_H_*/
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