/**
* gst_buffer_join:
- * @buf1: the first source #GstBuffer.
- * @buf2: the second source #GstBuffer.
+ * @buf1: (transfer full): the first source #GstBuffer.
+ * @buf2: (transfer full): the second source #GstBuffer.
*
* Create a new buffer that is the concatenation of the two source
* buffers, and unrefs the original source buffers.