Subversion Repositories mb-jpeg

#include <stdio.h>

#include <stdlib.h>

#include "tb1.h"

unsigned char* jpgimage;

unsigned long jpgsize;

unsigned char* bmpimage;

unsigned long bmpsize;

int main() {

  SYSACE_FILE *jpgfile;

  SYSACE_FILE *bmpfile;

  int i, numread, numwrite;

  jpgsize = bmpsize = 0;

  jpgimage = (unsigned char*)JPG_ADDRESS;

  bmpimage = (unsigned char*)BMP_ADDRESS;

  if ((jpgfile = sysace_fopen("image01.jpg", "r")) == NULL) {

        xil_printf("Error in opening input file\r\n");

        exit(1);

        }

  for (i = 0; i<JPG_MAXSIZE; i++) {

        numread = sysace_fread(jpgimage+i, 1, 1, jpgfile);

        if (numread == 0) break;

        }

  sysace_fclose(jpgfile);

  if (i==JPG_MAXSIZE) {

        xil_printf("Input file exceeds max size\r\n");

        exit(1);

        }

  jpgsize = i;

  memcpy(bmpimage, jpgimage, jpgsize);

  bmpsize = jpgsize;

  if ((bmpfile = sysace_fopen("image01.bmp", "w")) == NULL) {

        xil_printf("Error in opening output file\r\n");

        exit(1);

        }

  numwrite = sysace_fwrite(bmpimage, 1, bmpsize, bmpfile);

  sysace_fclose(bmpfile);

  if (numwrite != bmpsize) {

        xil_printf("Error in writing output file\r\n");

        exit(1);

        }

  return 0;

}