#ifndef RTP_H
#define RTP_H

#include <sys/types.h>

/* Payload is 31 for H261 */

typedef struct {
  u_short version:2;  /* protocol version */
  u_short p:1;        /* padding flag */
  u_short x:1;        /* header extension flag */
  u_short cc:4;       /* CSRC count */
  u_short m:1;        /* marker bit */
  u_short pt:7;       /* payload type */
  u_short seq;             /* sequence number */
  u_int ts;              /* timestamp */
  u_int ssrc;            /* synchronization source */
} rtp_hdr_t;


typedef struct {
	u_int sbit:3;
	u_int ebit:3;
	u_int i:1;
	u_int v:1;
	u_int gobn:4;
	u_int mbap:5;
	u_int quant:5;
	u_int hmvd:5;
	u_int vmvd:5;
} h261_hdr_t;


struct pkt_hdr {
	rtp_hdr_t rtphdr;
	h261_hdr_t h261hdr;
};

const int H261HDR_OFFSET = sizeof(rtp_hdr_t);

void put_rtphdr(u_char *buf, rtp_hdr_t *hdr);
void put_h261hdr(u_char *buf, h261_hdr_t *hdr);

void get_rtphdr(u_char *buf, rtp_hdr_t *hdr);
void get_h261hdr(u_char *buf, h261_hdr_t *hdr);


void create_hdr(rtp_hdr_t *hdr, u_int marker, u_int payload);
void get_hdr(rtp_hdr_t *hdr, u_int& marker, u_int& payload);
void set_sbit(h261_hdr_t *hdr, int val);
void set_ebit(h261_hdr_t *hdr, int val);
int get_sbit(h261_hdr_t *hdr);
int get_ebit(h261_hdr_t *hdr);




#endif