PREDICTOR_ORDER    47 libavcodec/apedec.c #define YDELAYA (18 + PREDICTOR_ORDER*4)
PREDICTOR_ORDER    48 libavcodec/apedec.c #define YDELAYB (18 + PREDICTOR_ORDER*3)
PREDICTOR_ORDER    49 libavcodec/apedec.c #define XDELAYA (18 + PREDICTOR_ORDER*2)
PREDICTOR_ORDER    50 libavcodec/apedec.c #define XDELAYB (18 + PREDICTOR_ORDER)