| /* |
| * 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_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 |