* @parent: (allow-none): the parent of @pad. If the #GST_PAD_FLAG_NEED_PARENT
* flag is set, @parent is guaranteed to be not-%NULL and remain valid
* during the execution of this function.
- * @buffer: the #GstBuffer that is chained, not %NULL.
+ * @buffer: (transfer full): the #GstBuffer that is chained, not %NULL.
*
* A function that will be called on sinkpads when chaining buffers.
* The function typically processes the data contained in the buffer and
* @parent: (allow-none): the parent of @pad. If the #GST_PAD_FLAG_NEED_PARENT
* flag is set, @parent is guaranteed to be not-%NULL and remain valid
* during the execution of this function.
- * @list: the #GstBufferList that is chained, not %NULL.
+ * @list: (transfer full): the #GstBufferList that is chained, not %NULL.
*
* A function that will be called on sinkpads when chaining buffer lists.
* The function typically processes the data contained in the buffer list and