XFACE_BITSPERWORD   45 libavcodec/xface.c         c >>= XFACE_BITSPERWORD;
XFACE_BITSPERWORD   82 libavcodec/xface.c         c <<= XFACE_BITSPERWORD;
XFACE_BITSPERWORD  120 libavcodec/xface.c         c >>= XFACE_BITSPERWORD;
XFACE_BITSPERWORD   53 libavcodec/xface.h #define XFACE_WORDCARRY (1 << XFACE_BITSPERWORD)