56 lines
1021 B
C
56 lines
1021 B
C
/**
|
|
* A short program which converts a .avif file into a .jpg 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 "gd.h"
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
gdImagePtr im;
|
|
FILE *in, *out;
|
|
|
|
if (argc != 3) {
|
|
fprintf(stderr, "Usage: avif2jpeg infile.avif outfile.jpg\n");
|
|
exit(1);
|
|
}
|
|
|
|
printf("Reading infile %s\n", argv[1]);
|
|
|
|
in = fopen(argv[1], "rb");
|
|
if (!in) {
|
|
fprintf(stderr, "\nError: input file %s does not exist.\n", argv[1]);
|
|
exit(1);
|
|
}
|
|
|
|
im = gdImageCreateFromAvif(in);
|
|
fclose(in);
|
|
if (!im) {
|
|
fprintf(stderr, "\nError: input file %s is not in AVIF format.\n", argv[1]);
|
|
exit(1);
|
|
}
|
|
|
|
out = fopen(argv[2], "wb");
|
|
if (!out) {
|
|
fprintf(stderr, "\nError: can't write to output file %s\n", argv[2]);
|
|
gdImageDestroy(im);
|
|
exit(1);
|
|
}
|
|
|
|
gdImageJpeg(im, out, 75);
|
|
|
|
printf("Wrote outfile %s.\n", argv[2]);
|
|
|
|
fclose(out);
|
|
gdImageDestroy(im);
|
|
|
|
return 0;
|
|
}
|