bit.h
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- /*
- * libmad - MPEG audio decoder library
- * Copyright (C) 2000-2003 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 1.1 2003/08/31 18:59:46 gabest 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