XDELAYB           969 libavcodec/apedec.c             *decoded1 = filter_3800(p, X, 1, XDELAYA, XDELAYB,
XDELAYB          1172 libavcodec/apedec.c         *decoded1 = predictor_update_filter(p, *decoded1, 1, XDELAYA, XDELAYB,