fprintf(stderr, "Option: %s double value: %f out of range <%f, %f>\n",
av_log(NULL, AV_LOG_ERROR, "Option: %s double value: %f out of range <%f, %f>\n",
static int parse_double(const AVOption *c, char *s, double *var){    double d;    if (!s)        return -1;    d = atof(s);    if (c->min != c->max) {	if (d < c->min || d > c->max) {	    fprintf(stderr, "Option: %s double value: %f out of range <%f, %f>\n",		    c->name, d, c->min, c->max);	    return -1;	}    }    *var = d;    return 0;}