Program Listing for File tracking_struct.h

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#pragma once

#include <stdint.h>
#include <stddef.h>

#include "fmdt/motion/motion_struct.h" // motion_t

enum obj_e { OBJ_UNKNOWN = 0,
             OBJ_METEOR,
             OBJ_STAR,
             OBJ_NOISE,
             N_OBJECTS
};

enum state_e { STATE_UNKNOWN = 0,
               STATE_UPDATED,
               STATE_LOST,
               STATE_FINISHED,
               N_STATES
};

enum change_state_reason_e { REASON_UNKNOWN = 0,
                             REASON_TOO_BIG_ANGLE,
                             REASON_WRONG_DIRECTION,
                             REASON_TOO_LONG_DURATION,
                             REASON_ELLIPSE_RATIO,
                             N_REASONS
};

typedef uint32_t* vec_uint32_t;

typedef struct {
    uint32_t id;
    uint32_t frame;
    uint32_t xmin;
    uint32_t xmax;
    uint32_t ymin;
    uint32_t ymax;
    uint32_t S;
    float x;
    float y;
    uint32_t prev_id;
    uint32_t next_id;
    float dx;
    float dy;
    float error;
    uint32_t time;
    uint32_t time_motion;
    uint8_t is_extrapolated;
    float a;
    float b;
} RoI_t;

typedef struct {
    uint32_t id;
    RoI_t begin;
    RoI_t end;
    float extrapol_x1;
    float extrapol_y1;
    float extrapol_x2;
    float extrapol_y2;
    float extrapol_dx;
    float extrapol_dy;
    uint8_t extrapol_order;
    enum state_e state;
    enum obj_e obj_type;
    enum change_state_reason_e change_state_reason;
    vec_uint32_t RoIs_id;
} track_t;

typedef track_t* vec_track_t;

typedef struct {
    RoI_t** RoIs;
    motion_t* motion;
    uint32_t* n_RoIs;
    uint32_t _max_n_RoIs;
    size_t _size;
    size_t _max_size;
} History_t;

typedef struct {
    vec_track_t tracks;
    History_t* history;
    RoI_t* RoIs_list;
} tracking_data_t;

size_t _tracking_get_track_time(const RoI_t track_begin, const RoI_t track_end);

size_t tracking_get_track_time(const vec_track_t tracks, const size_t t);

size_t tracking_count_objects(const vec_track_t tracks, unsigned* n_stars, unsigned* n_meteors, unsigned* n_noise);