#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <math.h>

#include <vcop.h>
#include "gradient.h"

#define IMAGE_HEIGHT  144
#define IMAGE_WIDTH   176
/**
 * main.c
 */
int main(void)
{
    uint8_t *inputData= NULL;
    uint8_t  *outputData= NULL;
    FILE *fp_in = NULL;
    FILE *fp_out = NULL;

    inputData     = (uint8_t *) vcop_malloc(VCOP_IBUFHA,IMAGE_WIDTH* IMAGE_HEIGHT * sizeof(uint8_t));
    outputData   = (uint8_t *) vcop_malloc(VCOP_IBUFHA,IMAGE_WIDTH* IMAGE_HEIGHT * sizeof(uint8_t));

    fp_in = fopen("qcif.y", "rb");

    if(fp_in == NULL)
    {
    printf("Failed to open input file.\n");
    return -1;
    }

    fread(inputData, IMAGE_WIDTH * IMAGE_HEIGHT, sizeof(uint8_t), fp_in);


    vcop_vec_gradients(inputData,   inputData , IMAGE_WIDTH, IMAGE_HEIGHT );

    fp_out = fopen("qcif_out.y", "wb");

    if(fp_out == NULL)
    {
      printf("Failed to open output file.\n");
      return -1;
    }

      fwrite(inputData, IMAGE_WIDTH * IMAGE_HEIGHT, sizeof(uint8_t), fp_out);
      fclose(fp_out);
      fclose(fp_in);

}