rtoss - Blame information for rev 26

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14 roytam 1 /*
2  * libmad - MPEG audio decoder library
26 roytam 3  * Copyright (C) 2000-2004 Underbit Technologies, Inc.
14 roytam 4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18  *
26 roytam 19  * $Id: bit.h,v 1.12 2004/01/23 09:41:32 rob Exp $
14 roytam 20  */
21  
22 # ifndef LIBMAD_BIT_H
23 # define LIBMAD_BIT_H
24  
25 struct mad_bitptr {
26   unsigned char const *byte;
27   unsigned short cache;
28   unsigned short left;
29 };
30  
31 void mad_bit_init(struct mad_bitptr *, unsigned char const *);
32  
33 # define mad_bit_finish(bitptr)         /* nothing */
34  
35 unsigned int mad_bit_length(struct mad_bitptr const *,
36                             struct mad_bitptr const *);
37  
38 # define mad_bit_bitsleft(bitptr)  ((bitptr)->left)
39 unsigned char const *mad_bit_nextbyte(struct mad_bitptr const *);
40  
41 void mad_bit_skip(struct mad_bitptr *, unsigned int);
42 unsigned long mad_bit_read(struct mad_bitptr *, unsigned int);
43 void mad_bit_write(struct mad_bitptr *, unsigned int, unsigned long);
44  
45 unsigned short mad_bit_crc(struct mad_bitptr, unsigned int, unsigned short);
46  
47 # endif