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/**
* A short program which converts a .jpg file into a .avif file -
* just to get a little practice with the basic functionality.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif /* HAVE_CONFIG_H */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include "gd.h"
static void usage() {
fprintf(stderr, "Usage: jpeg2avifex [-q quality] [-s speed] infile.jpg outfile.avif\n");
exit(1);
}
int main(int argc, char **argv)
{
gdImagePtr im;
FILE *in, *out;
int c;
int speed = -1, quality = -1; // use default values if unspecified
char *infile, *outfile;
int failed = 0;
if (argc < 3) {
usage();
}
while ((c = getopt(argc, argv, "q:s:")) != -1) {
switch (c) {
case 'q':
quality = atoi(optarg);
break;
case 's':
speed = atoi(optarg);
break;
default:
usage();
}
}
if (optind > argc - 2)
usage();
infile = strdup(argv[optind++]);
outfile = strdup(argv[optind]);
printf("Reading infile %s\n", infile);
in = fopen(infile, "rb");
if (!in) {
fprintf(stderr, "\nError: input file %s does not exist.\n", infile);
failed = 1;
goto cleanup;
}
im = gdImageCreateFromJpeg(in);
fclose(in);
if (!im) {
fprintf(stderr, "\nError: input file %s is not in JPEG format.\n", infile);
failed = 1;
goto cleanup;
}
out = fopen(outfile, "wb");
if (!out) {
fprintf(stderr, "\nError: can't write to output file %s\n", outfile);
failed = 1;
goto cleanup;
}
fprintf(stderr, "Encoding...\n");
gdImageAvifEx(im, out, quality, speed);
printf("Wrote outfile %s.\n", outfile);
fclose(out);
cleanup:
if (im)
gdImageDestroy(im);
gdFree(infile);
gdFree(outfile);
exit(failed);
}
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