+#endif
+
+const AVClass *ff_bsf_child_class_iterate(void **opaque)
+{
+ const AVBitStreamFilter *f;
+
+ /* find next filter with priv options */
+ while ((f = av_bsf_iterate(opaque))) {
+ if (f->priv_class)
+ return f->priv_class;
+ }
+ return NULL;
+}