}
}
if (global_flags.interpolation_quality < 0 || global_flags.interpolation_quality > 4) {
fprintf(stderr, "Interpolation quality must be 0, 1, 2, 3 or 4.\n");
usage();
}
}
if (global_flags.interpolation_quality < 0 || global_flags.interpolation_quality > 4) {
fprintf(stderr, "Interpolation quality must be 0, 1, 2, 3 or 4.\n");
usage();