#pragma once

/* attempt to determine byte order */
#include <sys/param.h>
#include <limits.h>
#include <time.h>

#ifndef __BYTE_ORDER
# ifdef __APPLE__
#  define __BYTE_ORDER __DARWIN_BYTE_ORDER
#  define __LITTLE_ENDIAN __DARWIN_LITTLE_ENDIAN
#  define __BIG_ENDIAN __DARWIN_BIG_ENDIAN
# else
#  error "__BYTE_ORDER should be defined by someone"
# endif
#endif

/* according to rtp_proxy.c RFC 3550 */
struct rtp_hdr {
#if __BYTE_ORDER == __LITTLE_ENDIAN
	uint8_t  csrc_count:4,
		  extension:1,
		  padding:1,
		  version:2;
	uint8_t  payload_type:7,
		  marker:1;
#elif __BYTE_ORDER == __BIG_ENDIAN
	uint8_t  version:2,
		  padding:1,
		  extension:1,
		  csrc_count:4;
	uint8_t  marker:1,
		  payload_type:7;
#endif
	uint16_t sequence;
	uint32_t timestamp;
	uint32_t ssrc;
	uint8_t data[0];
} __attribute__((packed));