Nicolas Dufresne authored Jul 07, 2020 and GStreamer Marge Bot committed Jul 07, 2020

rtpbin can still emit signals when it is being disposed, and while
rtpbin is inside ristsrc/ristsink it can still live longer.

So we either have disconnect all signals at some point, or let GObject
take care of that automatically.

Related to !1412

Part-of: <!1413>