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/*

 * mad - MPEG audio decoder

 * Copyright (C) 2000-2001 Robert Leslie

 *

 * 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 1.1.1.1 2001-11-04 19:37:35 lampret Exp $

 */

# ifndef LIBMAD_BIT_H

# define LIBMAD_BIT_H

struct 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