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/*
* rtp.h: RFC1889: RTP - A Transport Protocol for Real-Time Applications
*
* See the main source file 'xineliboutput.c' for copyright information and
* how to reach the author.
*
* $Id: rtp.h,v 1.3 2007-03-29 14:22:31 phintuka Exp $
*
*/
#ifndef XINELIBOUTPUT_RTP_H_
#define XINELIBOUTPUT_RTP_H_
#ifdef __APPLE__
# include <machine/endian.h>
#else
# include <endian.h>
#endif
#ifndef PACKED
# define PACKED __attribute__((packed))
#endif
#if __BYTE_ORDER == __BIG_ENDIAN
#elif __BYTE_ORDER == __LITTLE_ENDIAN
#else
# error __BYTE_ORDER not defined
#endif
#if defined __cplusplus
extern "C" {
#endif
/* Generic RTP header extension */
typedef struct stream_rtp_header_ext {
union {
uint8_t raw[4];
uint32_t rawd;
struct {
uint16_t type;
uint16_t size; /* Size of ext_data field in DWORDS */
} PACKED;
} PACKED;
uint8_t ext_data[0];
} PACKED stream_rtp_header_ext_t;
/* Common 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 */
} PACKED;
} PACKED;
union {
stream_rtp_header_ext_t hdr_ext[0];
uint8_t payload[0];
} PACKED;
} PACKED stream_rtp_header_t;
#if defined __cplusplus
};
#endif
#endif /* XINELIBOUTPUT_RTP_H_ */
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