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Diffstat (limited to 'lib/rbcodec/codecs/libfaad/codebook/hcb_6.h')
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diff --git a/lib/rbcodec/codecs/libfaad/codebook/hcb_6.h b/lib/rbcodec/codecs/libfaad/codebook/hcb_6.h new file mode 100644 index 0000000000..9988133552 --- /dev/null +++ b/lib/rbcodec/codecs/libfaad/codebook/hcb_6.h | |||
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1 | /* | ||
2 | ** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding | ||
3 | ** Copyright (C) 2003 M. Bakker, Ahead Software AG, http://www.nero.com | ||
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 | ** Any non-GPL usage of this software or parts of this software is strictly | ||
20 | ** forbidden. | ||
21 | ** | ||
22 | ** Commercial non-GPL licensing of this software is possible. | ||
23 | ** For more info contact Ahead Software through Mpeg4AAClicense@nero.com. | ||
24 | ** | ||
25 | ** $Id$ | ||
26 | **/ | ||
27 | |||
28 | /* 2-step huffman table HCB_6 */ | ||
29 | |||
30 | |||
31 | /* 1st step: 5 bits | ||
32 | * 2^5 = 32 entries | ||
33 | * | ||
34 | * Used to find offset into 2nd step table and number of extra bits to get | ||
35 | */ | ||
36 | static hcb hcb6_1[] ICONST_ATTR = { | ||
37 | /* 4 bit codewords */ | ||
38 | { /* 00000 */ 0, 0 }, | ||
39 | { /* */ 0, 0 }, | ||
40 | { /* 00010 */ 1, 0 }, | ||
41 | { /* */ 1, 0 }, | ||
42 | { /* 00100 */ 2, 0 }, | ||
43 | { /* */ 2, 0 }, | ||
44 | { /* 00110 */ 3, 0 }, | ||
45 | { /* */ 3, 0 }, | ||
46 | { /* 01000 */ 4, 0 }, | ||
47 | { /* */ 4, 0 }, | ||
48 | { /* 01010 */ 5, 0 }, | ||
49 | { /* */ 5, 0 }, | ||
50 | { /* 01100 */ 6, 0 }, | ||
51 | { /* */ 6, 0 }, | ||
52 | { /* 01110 */ 7, 0 }, | ||
53 | { /* */ 7, 0 }, | ||
54 | { /* 10000 */ 8, 0 }, | ||
55 | { /* */ 8, 0 }, | ||
56 | |||
57 | /* 6 bit codewords */ | ||
58 | { /* 10010 */ 9, 1 }, | ||
59 | { /* 10011 */ 11, 1 }, | ||
60 | { /* 10100 */ 13, 1 }, | ||
61 | { /* 10101 */ 15, 1 }, | ||
62 | { /* 10110 */ 17, 1 }, | ||
63 | { /* 10111 */ 19, 1 }, | ||
64 | { /* 11000 */ 21, 1 }, | ||
65 | { /* 11001 */ 23, 1 }, | ||
66 | |||
67 | /* 7 bit codewords */ | ||
68 | { /* 11010 */ 25, 2 }, | ||
69 | { /* 11011 */ 29, 2 }, | ||
70 | { /* 11100 */ 33, 2 }, | ||
71 | |||
72 | /* 7/8 bit codewords */ | ||
73 | { /* 11101 */ 37, 3 }, | ||
74 | |||
75 | /* 8/9 bit codewords */ | ||
76 | { /* 11110 */ 45, 4 }, | ||
77 | |||
78 | /* 9/10/11 bit codewords */ | ||
79 | { /* 11111 */ 61, 6 } | ||
80 | }; | ||
81 | |||
82 | /* 2nd step table | ||
83 | * | ||
84 | * Gives size of codeword and actual data (x,y,v,w) | ||
85 | */ | ||
86 | static hcb_2_pair hcb6_2[] ICONST_ATTR = { | ||
87 | /* 4 bit codewords */ | ||
88 | { 4, 0, 0 }, | ||
89 | { 4, 1, 0 }, | ||
90 | { 4, 0, -1 }, | ||
91 | { 4, 0, 1 }, | ||
92 | { 4, -1, 0 }, | ||
93 | { 4, 1, 1 }, | ||
94 | { 4, -1, 1 }, | ||
95 | { 4, 1, -1 }, | ||
96 | { 4, -1, -1 }, | ||
97 | |||
98 | /* 6 bit codewords */ | ||
99 | { 6, 2, -1 }, | ||
100 | { 6, 2, 1 }, | ||
101 | { 6, -2, 1 }, | ||
102 | { 6, -2, -1 }, | ||
103 | { 6, -2, 0 }, | ||
104 | { 6, -1, 2 }, | ||
105 | { 6, 2, 0 }, | ||
106 | { 6, 1, -2 }, | ||
107 | { 6, 1, 2 }, | ||
108 | { 6, 0, -2 }, | ||
109 | { 6, -1, -2 }, | ||
110 | { 6, 0, 2 }, | ||
111 | { 6, 2, -2 }, | ||
112 | { 6, -2, 2 }, | ||
113 | { 6, -2, -2 }, | ||
114 | { 6, 2, 2 }, | ||
115 | |||
116 | /* 7 bit codewords */ | ||
117 | { 7, -3, 1 }, | ||
118 | { 7, 3, 1 }, | ||
119 | { 7, 3, -1 }, | ||
120 | { 7, -1, 3 }, | ||
121 | { 7, -3, -1 }, | ||
122 | { 7, 1, 3 }, | ||
123 | { 7, 1, -3 }, | ||
124 | { 7, -1, -3 }, | ||
125 | { 7, 3, 0 }, | ||
126 | { 7, -3, 0 }, | ||
127 | { 7, 0, -3 }, | ||
128 | { 7, 0, 3 }, | ||
129 | |||
130 | /* 7/8 bit codewords */ | ||
131 | { 7, 3, 2 }, { 7, 3, 2 }, | ||
132 | { 8, -3, -2 }, | ||
133 | { 8, -2, 3 }, | ||
134 | { 8, 2, 3 }, | ||
135 | { 8, 3, -2 }, | ||
136 | { 8, 2, -3 }, | ||
137 | { 8, -2, -3 }, | ||
138 | |||
139 | /* 8 bit codewords */ | ||
140 | { 8, -3, 2 }, { 8, -3, 2 }, | ||
141 | { 8, 3, 3 }, { 8, 3, 3 }, | ||
142 | { 9, 3, -3 }, | ||
143 | { 9, -3, -3 }, | ||
144 | { 9, -3, 3 }, | ||
145 | { 9, 1, -4 }, | ||
146 | { 9, -1, -4 }, | ||
147 | { 9, 4, 1 }, | ||
148 | { 9, -4, 1 }, | ||
149 | { 9, -4, -1 }, | ||
150 | { 9, 1, 4 }, | ||
151 | { 9, 4, -1 }, | ||
152 | { 9, -1, 4 }, | ||
153 | { 9, 0, -4 }, | ||
154 | |||
155 | /* 9/10/11 bit codewords */ | ||
156 | { 9, -4, 2 }, { 9, -4, 2 }, { 9, -4, 2 }, { 9, -4, 2 }, | ||
157 | { 9, -4, -2 }, { 9, -4, -2 }, { 9, -4, -2 }, { 9, -4, -2 }, | ||
158 | { 9, 2, 4 }, { 9, 2, 4 }, { 9, 2, 4 }, { 9, 2, 4 }, | ||
159 | { 9, -2, -4 }, { 9, -2, -4 }, { 9, -2, -4 }, { 9, -2, -4 }, | ||
160 | { 9, -4, 0 }, { 9, -4, 0 }, { 9, -4, 0 }, { 9, -4, 0 }, | ||
161 | { 9, 4, 2 }, { 9, 4, 2 }, { 9, 4, 2 }, { 9, 4, 2 }, | ||
162 | { 9, 4, -2 }, { 9, 4, -2 }, { 9, 4, -2 }, { 9, 4, -2 }, | ||
163 | { 9, -2, 4 }, { 9, -2, 4 }, { 9, -2, 4 }, { 9, -2, 4 }, | ||
164 | { 9, 4, 0 }, { 9, 4, 0 }, { 9, 4, 0 }, { 9, 4, 0 }, | ||
165 | { 9, 2, -4 }, { 9, 2, -4 }, { 9, 2, -4 }, { 9, 2, -4 }, | ||
166 | { 9, 0, 4 }, { 9, 0, 4 }, { 9, 0, 4 }, { 9, 0, 4 }, | ||
167 | { 10, -3, -4 }, { 10, -3, -4 }, | ||
168 | { 10, -3, 4 }, { 10, -3, 4 }, | ||
169 | { 10, 3, -4 }, { 10, 3, -4 }, | ||
170 | { 10, 4, -3 }, { 10, 4, -3 }, | ||
171 | { 10, 3, 4 }, { 10, 3, 4 }, | ||
172 | { 10, 4, 3 }, { 10, 4, 3 }, | ||
173 | { 10, -4, 3 }, { 10, -4, 3 }, | ||
174 | { 10, -4, -3 }, { 10, -4, -3 }, | ||
175 | { 11, 4, 4 }, | ||
176 | { 11, -4, 4 }, | ||
177 | { 11, -4, -4 }, | ||
178 | { 11, 4, -4 } | ||
179 | }; | ||