else return (*(AVClass**)obj)->option;
}
-static const AVOption *av_set_number(void *obj, const char *name, double num, int den, int64_t intnum){
+static int av_set_number2(void *obj, const char *name, double num, int den, int64_t intnum, const AVOption **o_out){
const AVOption *o= av_find_opt(obj, name, NULL, 0, 0);
void *dst;
+ if(o_out)
+ *o_out= o;
if(!o || o->offset<=0)
- return NULL;
+ return AVERROR(ENOENT);
if(o->max*den < num*intnum || o->min*den > num*intnum) {
av_log(NULL, AV_LOG_ERROR, "Value %lf for parameter '%s' out of range\n", num, name);
- return NULL;
+ return AVERROR(ERANGE);
}
dst= ((uint8_t*)obj) + o->offset;
else *(AVRational*)dst= av_d2q(num*intnum/den, 1<<24);
break;
default:
- return NULL;
+ return AVERROR(EINVAL);
}
- return o;
+ return 0;
+}
+
+static const AVOption *av_set_number(void *obj, const char *name, double num, int den, int64_t intnum){
+ const AVOption *o = NULL;
+ if (av_set_number2(obj, name, num, den, intnum, &o) < 0)
+ return NULL;
+ else
+ return o;
}
static const double const_values[]={