GST_BUFFER_FREE_FUNC  292 gst/gstbuffer.c     GST_BUFFER_FREE_FUNC (copy) = free;
GST_BUFFER_FREE_FUNC  317 gst/gstbuffer.c   GST_BUFFER_FREE_FUNC (buffer) = g_free;
GST_BUFFER_FREE_FUNC  375 gst/gstbuffer.c     GST_BUFFER_FREE_FUNC (newbuf) = free;
GST_BUFFER_FREE_FUNC  436 gst/gstbuffer.c   GST_BUFFER_FREE_FUNC (newbuf) = free;