FIFOMASK           72 libavcodec/dsd.c         p = buf + ((pos - CTABLES) & FIFOMASK);
FIFOMASK           77 libavcodec/dsd.c             uint8_t a = buf[(pos                   - i) & FIFOMASK];
FIFOMASK           78 libavcodec/dsd.c             uint8_t b = buf[(pos - (CTABLES*2 - 1) + i) & FIFOMASK];
FIFOMASK           85 libavcodec/dsd.c         pos = (pos + 1) & FIFOMASK;