USB_UVC_DETECT/AIManager/beforeProcess.cpp

#include "beforeProcess.h"
#include <string>

double __get_us(struct timeval t) { return (t.tv_sec * 1000000 + t.tv_usec); }

unsigned char *load_data(FILE *fp, size_t ofst, size_t sz)
{
    unsigned char *data;
    int ret;

    data = NULL;

    if (NULL == fp)
    {
        return NULL;
    }

    ret = fseek(fp, ofst, SEEK_SET);
    if (ret != 0)
    {
        printf("blob seek failure.\n");
        return NULL;
    }

    data = (unsigned char *)malloc(sz);
    if (data == NULL)
    {
        printf("buffer malloc failure.\n");
        return NULL;
    }
    ret = fread(data, 1, sz, fp);
    return data;
}

int saveFloat(const char *file_name, float *output, int element_size)
{
    FILE *fp;
    fp = fopen(file_name, "w");
    for (int i = 0; i < element_size; i++)
    {
        fprintf(fp, "%.6f\n", output[i]);
    }
    fclose(fp);
    return 0;
}