diff options
Diffstat (limited to 'lib/rbcodec/codecs/libmad/huffman.h')
-rw-r--r-- | lib/rbcodec/codecs/libmad/huffman.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/lib/rbcodec/codecs/libmad/huffman.h b/lib/rbcodec/codecs/libmad/huffman.h new file mode 100644 index 0000000000..e4c1b35d93 --- /dev/null +++ b/lib/rbcodec/codecs/libmad/huffman.h | |||
@@ -0,0 +1,66 @@ | |||
1 | /* | ||
2 | * libmad - MPEG audio decoder library | ||
3 | * Copyright (C) 2000-2004 Underbit Technologies, Inc. | ||
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 | * | ||
19 | * $Id$ | ||
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 | ||