#ifndef _DATASERVER_DATA_UD_H_
#define _DATASERVER_DATA_UD_H_

#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

struct userdata_meta_info_t {
    uint32_t poc_number;
    /************ flags bit definition ***********
    bit 0:      //used for mpeg2
        1, group start
        0, not group start
    bit 1-2:    //used for mpeg2
        0, extension_and_user_data( 0 )
        1, extension_and_user_data( 1 )
        2, extension_and_user_data( 2 )
    bit 3-6:    //video format
        0,  VFORMAT_MPEG12
        1,  VFORMAT_MPEG4
        2,  VFORMAT_H264
        3,  VFORMAT_MJPEG
        4,  VFORMAT_REAL
        5,  VFORMAT_JPEG
        6,  VFORMAT_VC1
        7,  VFORMAT_AVS
        8,  VFORMAT_SW
        9,  VFORMAT_H264MVC
        10, VFORMAT_H264_4K2K
        11, VFORMAT_HEVC
        12, VFORMAT_H264_ENC
        13, VFORMAT_JPEG_ENC
        14, VFORMAT_VP9
    bit 7-9:    //frame type
        0, Unknown Frame Type
        1, I Frame
        2, B Frame
        3, P Frame
        4, D_Type_MPEG2
    bit 10:  //top_field_first_flag valid
        0: top_field_first_flag is not valid
        1: top_field_first_flag is valid
    bit 11: //top_field_first bit val
    **********************************************/
    uint32_t flags;
    uint32_t vpts;          /*video frame pts*/
    /******************************************
    0: pts is invalid, please use duration to calculate
    1: pts is valid
    ******************************************/
    uint32_t vpts_valid;
    /*duration for frame*/
    uint32_t duration;
    /* how many records left in queue waiting to be read*/
    uint32_t records_in_que;
    unsigned long long priv_data;
    uint64_t vpts_64; /*valid only if version == 2*/
    uint32_t padding_data[2];
};

/**
 * @brief Data of Userdata
 */
typedef struct {
    uint32_t version;
    uint32_t instance_id;

    /**
     * Reserved
     */
    uint32_t buf_len;

    /**
     * @brief The size of bytes of the field "data" below.
     * The client should read "data_size" bytes start from the data[0].
     */
    uint32_t data_size;

    /**
     * Reserved
     */
    unsigned long long pbuf_addr;
    struct userdata_meta_info_t meta_info;

    /**
     * The data of the userdata
     */
    uint8_t data[0];
} ds_data_userdata_t;

#ifdef __cplusplus
}
#endif

#endif