Create a new #GstRTSPConnection for handling communication on the existing socket socket. The initial_buffer contains zero terminated data already read from socket which should be used before starting to read new data.
a #GSocket
the IP address of the other end
the port used by the other end
data already read from fd
storage for a #GstRTSPConnection
#GST_RTSP_OK when conn contains a valid connection.
Create a new #GstRTSPConnection for handling communication on the existing socket socket. The initial_buffer contains zero terminated data already read from socket which should be used before starting to read new data.