/* * libmad - MPEG audio decoder library * Copyright (C) 2000-2004 Underbit Technologies, Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA * * $Id: bit.h,v 1.12 2004/01/23 09:41:32 rob Exp $ */# ifndef LIBMAD_BIT_H# define LIBMAD_BIT_Hstruct mad_bitptr {  unsigned char const *byte;  unsigned short cache;  unsigned short left;};void mad_bit_init(struct mad_bitptr *, unsigned char const *);# define mad_bit_finish(bitptr)		/* nothing */unsigned int mad_bit_length(struct mad_bitptr const *,			    struct mad_bitptr const *);# define mad_bit_bitsleft(bitptr)  ((bitptr)->left)unsigned char const *mad_bit_nextbyte(struct mad_bitptr const *);void mad_bit_skip(struct mad_bitptr *, unsigned int);unsigned long mad_bit_read(struct mad_bitptr *, unsigned int);void mad_bit_write(struct mad_bitptr *, unsigned int, unsigned long);unsigned short mad_bit_crc(struct mad_bitptr, unsigned int, unsigned short);# endif