---
libavfilter/af_resample.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/libavfilter/af_resample.c b/libavfilter/af_resample.c
index e3c6a20696..785cd0c7f4 100644
--- a/libavfilter/af_resample.c
+++ b/libavfilter/af_resample.c
@@ -306,10 +306,19 @@ fail:
return ret;
}
+#if FF_API_CHILD_CLASS_NEXT
static const AVClass *resample_child_class_next(const AVClass *prev)
{
return prev ? NULL : avresample_get_class();
}
+#endif
+
+static const AVClass *resample_child_class_iterate(void **iter)
+{
+ const AVClass *c = *iter ? NULL : avresample_get_class();
+ *iter = (void*)(uintptr_t)c;
+ return c;
+}
static void *resample_child_next(void *obj, void *prev)
{
@@ -321,7 +330,10 @@ static const AVClass resample_class = {
.class_name = "resample",
.item_name = av_default_item_name,
.version = LIBAVUTIL_VERSION_INT,
+#if FF_API_CHILD_CLASS_NEXT
.child_class_next = resample_child_class_next,
+#endif
+ .child_class_iterate = resample_child_class_iterate,
.child_next = resample_child_next,
};
--
2.26.2
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