#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_ */