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: huffman.h,v 1.11 2004/01/23 09:41:32 rob Exp $
14 roytam 20  */
21  
22 # ifndef LIBMAD_HUFFMAN_H
23 # define LIBMAD_HUFFMAN_H
24  
25 union huffquad {
26   struct {
27     unsigned short final  :  1;
28     unsigned short bits   :  3;
29     unsigned short offset : 12;
30   } ptr;
31   struct {
32     unsigned short final  :  1;
33     unsigned short hlen   :  3;
34     unsigned short v      :  1;
35     unsigned short w      :  1;
36     unsigned short x      :  1;
37     unsigned short y      :  1;
38   } value;
39   unsigned short final    :  1;
40 };
41  
42 union huffpair {
43   struct {
44     unsigned short final  :  1;
45     unsigned short bits   :  3;
46     unsigned short offset : 12;
47   } ptr;
48   struct {
49     unsigned short final  :  1;
50     unsigned short hlen   :  3;
51     unsigned short x      :  4;
52     unsigned short y      :  4;
53   } value;
54   unsigned short final    :  1;
55 };
56  
57 struct hufftable {
58   union huffpair const *table;
59   unsigned short linbits;
60   unsigned short startbits;
61 };
62  
63 extern union huffquad const *const mad_huff_quad_table[2];
64 extern struct hufftable const mad_huff_pair_table[32];
65  
66 # endif