#ifndef _rtp_payload_helper_h_
#define _rtp_payload_helper_h_

#include "rtp-packet.h"
#include "rtp-payload.h"

struct rtp_payload_helper_t {
    struct rtp_payload_t handler;
    void *cbparam;

    int lost;
    uint16_t seq; // rtp seq
    uint32_t timestamp;

    uint8_t *ptr;
    int size, capacity, maxsize;
    int __flags; // internal use only
};

void *rtp_payload_helper_create(struct rtp_payload_t *handler, void *cbparam);
void rtp_payload_helper_destroy(void *helper);

int rtp_payload_check(struct rtp_payload_helper_t *helper, const struct rtp_packet_t *pkt);

int rtp_payload_write(struct rtp_payload_helper_t *helper, const struct rtp_packet_t *pkt);

int rtp_payload_onframe(struct rtp_payload_helper_t *helper);

#endif /* !_rtp_payload_helper_h_ */