ST. PETERSBURG, Russia — The German city of Weisbaden is developing plans for a festival devoted to the cinema of Eastern Europe and the former Soviet Union, provisionally set for spring 2000.Coordinated by Frankfurt’s German Institute of Film Art (DIF), under director Hilmer Hoffman, fest profile will likely be noncompetitive, running seven to 10 days. It will aim to showcase product from territories gradually emerging from the depression of the early ’90s, said DIF’s Svetlana Sikora, who was visiting St. Petersburg’s Festival of Festivals. Fest is planned for an annual basis. As well as panorama showings, it will feature symposia, and a variety of retrospective and student programs. Financial backing is still to be confirmed.