Attempt to connect to the url of conn made with
gstrtsp.rtspconnection.RTSPConnection.create. If timeout is null this function can block
forever. If timeout contains a valid timeout, this function will return
#GST_RTSP_ETIMEOUT after the timeout expired. If conn is set to tunneled,
response will contain a response to the tunneling request messages.
Attempt to connect to the url of conn made with gstrtsp.rtspconnection.RTSPConnection.create. If timeout is null this function can block forever. If timeout contains a valid timeout, this function will return #GST_RTSP_ETIMEOUT after the timeout expired. If conn is set to tunneled, response will contain a response to the tunneling request messages.
This function can be cancelled with gstrtsp.rtspconnection.RTSPConnection.flush.