CODE_BITS         312 libavcodec/apedec.c #define TOP_VALUE    ((unsigned int)1 << (CODE_BITS-1))
CODE_BITS         313 libavcodec/apedec.c #define SHIFT_BITS   (CODE_BITS - 9)
CODE_BITS         314 libavcodec/apedec.c #define EXTRA_BITS   ((CODE_BITS-2) % 8 + 1)