}
/**
+ * gst_buffer_iterate_meta_filtered: (skip)
+ * @buffer: a #GstBuffer
+ * @state: an opaque state pointer
+ * @meta_api_type: only return #GstMeta of this type
+ *
+ * Retrieve the next #GstMeta of type @meta_api_type after the current one
+ * according to @state. If @state points to %NULL, the first metadata of
+ * type @meta_api_type is returned.
+ *
+ * @state will be updated with an opaque state pointer
+ *
+ * Returns: (transfer none) (nullable): The next #GstMeta of type
+ * @meta_api_type or %NULL when there are no more items.
+ *
+ * Since: 1.12
+ */
+GstMeta *
+gst_buffer_iterate_meta_filtered (GstBuffer * buffer, gpointer * state,
+ GType meta_api_type)
+{
+ GstMetaItem **meta;
+
+ g_return_val_if_fail (buffer != NULL, NULL);
+ g_return_val_if_fail (state != NULL, NULL);
+
+ meta = (GstMetaItem **) state;
+ if (*meta == NULL)
+ /* state NULL, move to first item */
+ *meta = GST_BUFFER_META (buffer);
+ else
+ /* state !NULL, move to next item in list */
+ *meta = (*meta)->next;
+
+ while (*meta != NULL && (*meta)->meta.info->api != meta_api_type)
+ *meta = (*meta)->next;
+
+ if (*meta)
+ return &(*meta)->meta;
+ else
+ return NULL;
+}
+
+/**
* gst_buffer_foreach_meta:
* @buffer: a #GstBuffer
* @func: (scope call): a #GstBufferForeachMetaFunc to call
GstMeta * gst_buffer_iterate_meta (GstBuffer *buffer, gpointer *state);
+GstMeta * gst_buffer_iterate_meta_filtered (GstBuffer * buffer,
+ gpointer * state,
+ GType meta_api_type);
+
gboolean gst_buffer_foreach_meta (GstBuffer *buffer,
GstBufferForeachMetaFunc func,
gpointer user_data);