#ifndef _RTPLIB_H_
#define _RTPLIB_H_

#include <stdint.h>
#include "str.h"


struct rtp_header {
	unsigned char v_p_x_cc;
	unsigned char m_pt;
	uint16_t seq_num;
	uint32_t timestamp;
	uint32_t ssrc;
	uint32_t csrc[];
} __attribute__ ((packed));


struct rtp_payload_type {
	unsigned int payload_type;
	str encoding_with_params;
	str encoding;
	unsigned int clock_rate;
	str encoding_parameters;
	str format_parameters;
};


extern const struct rtp_payload_type rfc_rtp_payload_types[];
extern const int num_rfc_rtp_payload_types;


int rtp_payload(struct rtp_header **out, str *p, const str *s);
int rtp_padding(struct rtp_header *header, str *payload);
const struct rtp_payload_type *rtp_get_rfc_payload_type(unsigned int type);


#endif