FFmpeg
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qdm2data.h
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1/*
2 * QDM2 compatible decoder
3 * Copyright (c) 2003 Ewald Snel
4 * Copyright (c) 2005 Benjamin Larsson
5 * Copyright (c) 2005 Alex Beregszaszi
6 * Copyright (c) 2005 Roberto Togni
7 *
8 * This file is part of FFmpeg.
9 *
10 * FFmpeg is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
14 *
15 * FFmpeg is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
19 *
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with FFmpeg; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 */
24
25 /**
26 * @file
27 * Various QDM2 tables.
28 */
29
30#ifndef AVCODEC_QDM2DATA_H
31#define AVCODEC_QDM2DATA_H
32
33#include <stdint.h>
34
35/** VLC TABLES **/
36
37/* values in this table range from -1..23; adjust retrieved value by -1 */
38static const uint8_t tab_level[24][2] = {
39 { 12, 4 }, { 17, 4 }, { 1, 6 }, { 8, 6 }, { 9, 5 }, { 20, 7 },
40 { 3, 7 }, { 5, 6 }, { 6, 6 }, { 2, 7 }, { 22, 9 }, { 23, 10 },
41 { 0, 10 }, { 21, 8 }, { 11, 4 }, { 19, 5 }, { 7, 6 }, { 4, 6 },
42 { 16, 3 }, { 10, 4 }, { 18, 4 }, { 15, 3 }, { 13, 3 }, { 14, 3 },
43};
44
45/* values in this table range from -1..36; adjust retrieved value by -1 */
46static const uint8_t tab_diff[33][2] = {
47 { 2, 3 }, { 1, 3 }, { 5, 3 }, { 14, 8 }, { 20, 9 }, { 26, 10 },
48 { 25, 12 }, { 32, 12 }, { 19, 11 }, { 16, 8 }, { 24, 9 }, { 17, 9 },
49 { 12, 7 }, { 13, 7 }, { 9, 5 }, { 7, 4 }, { 3, 2 }, { 4, 3 },
50 { 8, 6 }, { 11, 6 }, { 18, 8 }, { 15, 8 }, { 30, 11 }, { 36, 13 },
51 { 34, 13 }, { 29, 13 }, { 0, 13 }, { 21, 10 }, { 28, 10 }, { 23, 10 },
52 { 22, 8 }, { 10, 6 }, { 6, 4 },
53};
54
55/* values in this table range from -1..5; adjust retrieved value by -1 */
56static const uint8_t tab_run[6][2] = {
57 { 1, 1 }, { 2, 2 }, { 3, 3 }, { 4, 4 }, { 5, 5 }, { 0, 5 },
58};
59
60/* values in this table range from -1..19; adjust retrieved value by -1 */
61static const uint8_t tab_tone_level_idx_hi1[20][2] = {
62 { 4, 3 }, { 5, 5 }, { 9, 10 }, { 11, 11 }, { 13, 12 }, { 14, 12 },
63 { 10, 10 }, { 12, 11 }, { 17, 14 }, { 16, 14 }, { 18, 15 }, { 0, 15 },
64 { 19, 14 }, { 15, 12 }, { 8, 8 }, { 7, 7 }, { 6, 6 }, { 1, 4 },
65 { 2, 2 }, { 3, 1 },
66};
67
68/* values in this table range from -1..23; adjust retrieved value by -1 */
69static const uint8_t tab_tone_level_idx_mid[13][2] = {
70 { 18, 2 }, { 19, 4 }, { 20, 6 }, { 14, 7 }, { 21, 8 }, { 13, 9 },
71 { 22, 10 }, { 12, 11 }, { 23, 12 }, { 0, 12 }, { 15, 5 }, { 16, 3 },
72 { 17, 1 },
73};
74
75/* values in this table range from -1..23; adjust retrieved value by -1 */
76static const uint8_t tab_tone_level_idx_hi2[18][2] = {
77 { 14, 4 }, { 11, 6 }, { 19, 7 }, { 9, 7 }, { 13, 5 }, { 10, 6 },
78 { 20, 8 }, { 8, 8 }, { 6, 10 }, { 23, 11 }, { 0, 11 }, { 21, 9 },
79 { 7, 8 }, { 12, 5 }, { 18, 4 }, { 16, 2 }, { 15, 2 }, { 17, 2 },
80};
81
82/* values in this table range from -1..8; adjust retrieved value by -1 */
83static const uint8_t tab_type30[9][2] = {
84 { 2, 3 }, { 6, 4 }, { 7, 5 }, { 8, 6 }, { 0, 6 }, { 5, 3 }, { 1, 3 },
85 { 3, 2 }, { 4, 2 },
86};
87
88/* values in this table range from -1..9; adjust retrieved value by -1 */
89static const uint8_t tab_type34[10][2] = {
90 { 1, 4 }, { 9, 5 }, { 0, 5 }, { 3, 3 }, { 7, 3 }, { 8, 3 }, { 2, 3 },
91 { 4, 3 }, { 6, 3 }, { 5, 3 },
92};
93
94static const uint8_t tab_fft_tone_offset_sizes[] = {
95 23, 28, 31, 34, 37
96};
97
98static const uint8_t tab_fft_tone_offset[][2] = {
99 /* First table - 23 entries with range -1..21 */
100 { 2, 2 }, { 7, 7 }, { 15, 8 }, { 21, 8 }, { 3, 6 }, { 6, 6 },
101 { 13, 7 }, { 14, 8 }, { 18, 8 }, { 4, 4 }, { 5, 5 }, { 11, 7 },
102 { 10, 7 }, { 20, 6 }, { 12, 8 }, { 16, 9 }, { 22, 10 }, { 0, 10 },
103 { 17, 7 }, { 19, 6 }, { 8, 6 }, { 9, 6 }, { 1, 1 },
104 /* Second table - 28 entries with range -1..26 */
105 { 8, 6 }, { 2, 6 }, { 7, 6 }, { 23, 7 }, { 12, 7 }, { 5, 4 },
106 { 10, 6 }, { 20, 8 }, { 25, 9 }, { 26, 10 }, { 27, 11 }, { 0, 11 },
107 { 22, 7 }, { 9, 5 }, { 13, 6 }, { 17, 6 }, { 4, 5 }, { 14, 6 },
108 { 19, 7 }, { 24, 7 }, { 3, 6 }, { 11, 6 }, { 21, 6 }, { 18, 6 },
109 { 16, 6 }, { 15, 6 }, { 6, 3 }, { 1, 1 },
110 /* Third table - 31 entries with range -1..30 (1 omitted) */
111 { 14, 7 }, { 17, 7 }, { 15, 7 }, { 23, 9 }, { 28, 10 }, { 29, 11 },
112 { 30, 13 }, { 0, 13 }, { 31, 12 }, { 25, 8 }, { 10, 5 }, { 8, 4 },
113 { 9, 4 }, { 4, 4 }, { 22, 8 }, { 3, 8 }, { 21, 8 }, { 26, 9 },
114 { 27, 9 }, { 12, 6 }, { 11, 5 }, { 16, 7 }, { 18, 7 }, { 20, 8 },
115 { 24, 8 }, { 19, 7 }, { 13, 5 }, { 5, 3 }, { 1, 2 }, { 6, 3 },
116 { 7, 3 },
117 /* Fourth table - 34 entries with range -1..33 (1 omitted) */
118 { 4, 4 }, { 7, 4 }, { 10, 4 }, { 3, 10 }, { 27, 10 }, { 29, 10 },
119 { 28, 10 }, { 22, 8 }, { 21, 7 }, { 15, 6 }, { 14, 5 }, { 8, 4 },
120 { 16, 6 }, { 19, 7 }, { 23, 8 }, { 26, 9 }, { 30, 10 }, { 33, 13 },
121 { 34, 14 }, { 0, 14 }, { 32, 12 }, { 31, 11 }, { 12, 5 }, { 5, 3 },
122 { 9, 3 }, { 1, 4 }, { 20, 7 }, { 25, 8 }, { 24, 8 }, { 18, 6 },
123 { 17, 5 }, { 6, 3 }, { 11, 4 }, { 13, 4 },
124 /* Fifth table - 37 entries with range -1..36 (1 omitted) */
125 { 5, 3 }, { 4, 3 }, { 19, 8 }, { 33, 12 }, { 31, 12 }, { 28, 11 },
126 { 34, 14 }, { 37, 14 }, { 35, 15 }, { 0, 15 }, { 36, 14 }, { 32, 12 },
127 { 30, 11 }, { 24, 9 }, { 22, 8 }, { 23, 9 }, { 29, 10 }, { 27, 10 },
128 { 17, 6 }, { 14, 5 }, { 7, 4 }, { 12, 5 }, { 1, 6 }, { 26, 9 },
129 { 3, 9 }, { 25, 8 }, { 20, 7 }, { 8, 4 }, { 10, 4 }, { 13, 4 },
130 { 15, 6 }, { 16, 6 }, { 18, 6 }, { 21, 6 }, { 11, 4 }, { 9, 3 },
131 { 6, 3 },
132};
133
134/** FFT TABLES **/
135
136/* values in this table range from -1..27; adjust retrieved value by -1 */
137static const uint8_t fft_level_exp_alt[28][2] = {
138 { 18, 3 }, { 16, 3 }, { 22, 7 }, { 8, 10 }, { 4, 10 }, { 3, 9 },
139 { 2, 8 }, { 23, 8 }, { 10, 8 }, { 11, 7 }, { 21, 5 }, { 20, 4 },
140 { 1, 7 }, { 7, 10 }, { 5, 10 }, { 9, 9 }, { 6, 10 }, { 25, 11 },
141 { 26, 12 }, { 27, 13 }, { 0, 13 }, { 24, 9 }, { 12, 6 }, { 13, 5 },
142 { 14, 4 }, { 19, 3 }, { 15, 3 }, { 17, 2 },
143};
144
145/* values in this table range from -1..19; adjust retrieved value by -1 */
146static const uint8_t fft_level_exp[20][2] = {
147 { 3, 3 }, { 11, 6 }, { 16, 9 }, { 17, 10 }, { 18, 11 }, { 19, 12 },
148 { 0, 12 }, { 15, 8 }, { 14, 7 }, { 9, 5 }, { 7, 4 }, { 2, 3 },
149 { 4, 3 }, { 1, 3 }, { 5, 3 }, { 12, 6 }, { 13, 6 }, { 10, 5 },
150 { 8, 4 }, { 6, 3 },
151};
152
153/* values in this table range from -1..6; adjust retrieved value by -1 */
154static const uint8_t fft_stereo_exp[7][2] = {
155 { 2, 2 }, { 3, 3 }, { 4, 4 }, { 5, 5 }, { 6, 6 }, { 0, 6 }, { 1, 1 },
156};
157
158/* values in this table range from -1..8; adjust retrieved value by -1 */
159static const uint8_t fft_stereo_phase[9][2] = {
160 { 2, 2 }, { 1, 2 }, { 3, 4 }, { 7, 4 }, { 6, 5 }, { 5, 6 }, { 0, 6 },
161 { 4, 4 }, { 8, 2 },
162};
163
164static const int fft_cutoff_index_table[4][2] = {
165 { 1, 2 }, {-1, 0 }, {-1,-2 }, { 0, 0 }
166};
167
168static const int16_t fft_level_index_table[256] = {
169 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1,
170 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
171 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
172 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
173 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
174 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
175 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
176 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
177 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
178 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
179 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
180 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
181 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
182 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
183 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
184 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
185};
186
187static const uint8_t last_coeff[3] = {
188 4, 7, 10
189};
190
191static const uint8_t coeff_per_sb_for_avg[3][30] = {
192 { 0, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 },
193 { 0, 1, 2, 2, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6 },
194 { 0, 1, 2, 3, 4, 4, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9 }
195};
196
197static const uint32_t dequant_table[3][10][30] = {
198 { { 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
199 { 0, 256, 256, 205, 154, 102, 51, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
200 { 0, 0, 0, 51, 102, 154, 205, 256, 238, 219, 201, 183, 165, 146, 128, 110, 91, 73, 55, 37, 18, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
201 { 0, 0, 0, 0, 0, 0, 0, 0, 18, 37, 55, 73, 91, 110, 128, 146, 165, 183, 201, 219, 238, 256, 228, 199, 171, 142, 114, 85, 57, 28 },
202 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
203 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
204 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
205 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
206 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
207 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } },
208 { { 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
209 { 0, 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
210 { 0, 0, 256, 171, 85, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
211 { 0, 0, 0, 85, 171, 256, 171, 85, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
212 { 0, 0, 0, 0, 0, 0, 85, 171, 256, 219, 183, 146, 110, 73, 37, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
213 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 37, 73, 110, 146, 183, 219, 256, 228, 199, 171, 142, 114, 85, 57, 28, 0, 0, 0, 0, 0, 0 },
214 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 28, 57, 85, 114, 142, 171, 199, 228, 256, 213, 171, 128, 85, 43 },
215 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
216 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
217 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } },
218 { { 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
219 { 0, 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
220 { 0, 0, 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
221 { 0, 0, 0, 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
222 { 0, 0, 0, 0, 256, 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
223 { 0, 0, 0, 0, 0, 0, 256, 171, 85, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
224 { 0, 0, 0, 0, 0, 0, 0, 85, 171, 256, 192, 128, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
225 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 64, 128, 192, 256, 205, 154, 102, 51, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
226 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 51, 102, 154, 205, 256, 213, 171, 128, 85, 43, 0, 0, 0, 0, 0, 0 },
227 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 43, 85, 128, 171, 213, 256, 213, 171, 128, 85, 43 } }
228};
229
230static const uint8_t coeff_per_sb_for_dequant[3][30] = {
231 { 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3 },
232 { 0, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6 },
233 { 0, 1, 2, 3, 4, 4, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9 }
234};
235
236/* first index is subband, 2nd index is 0, 1 or 3 (2 is unused) */
237static const int8_t tone_level_idx_offset_table[30][4] = {
238 { -50, -50, 0, -50 },
239 { -50, -50, 0, -50 },
240 { -50, -9, 0, -19 },
241 { -16, -6, 0, -12 },
242 { -11, -4, 0, -8 },
243 { -8, -3, 0, -6 },
244 { -7, -3, 0, -5 },
245 { -6, -2, 0, -4 },
246 { -5, -2, 0, -3 },
247 { -4, -1, 0, -3 },
248 { -4, -1, 0, -2 },
249 { -3, -1, 0, -2 },
250 { -3, -1, 0, -2 },
251 { -3, -1, 0, -2 },
252 { -2, -1, 0, -1 },
253 { -2, -1, 0, -1 },
254 { -2, -1, 0, -1 },
255 { -2, 0, 0, -1 },
256 { -2, 0, 0, -1 },
257 { -1, 0, 0, -1 },
258 { -1, 0, 0, -1 },
259 { -1, 0, 0, -1 },
260 { -1, 0, 0, -1 },
261 { -1, 0, 0, -1 },
262 { -1, 0, 0, -1 },
263 { -1, 0, 0, -1 },
264 { -1, 0, 0, 0 },
265 { -1, 0, 0, 0 },
266 { -1, 0, 0, 0 },
267 { -1, 0, 0, 0 }
268};
269
270/* all my samples have 1st index 0 or 1 */
271/* second index is subband, only indexes 0-29 seem to be used */
272static const int8_t coding_method_table[5][30] = {
273 { 34, 30, 24, 24, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10,
274 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10
275 },
276 { 34, 30, 24, 24, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10,
277 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10
278 },
279 { 34, 30, 30, 30, 24, 24, 16, 16, 16, 16, 16, 16, 10, 10, 10,
280 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10
281 },
282 { 34, 34, 30, 30, 24, 24, 24, 24, 16, 16, 16, 16, 16, 16, 16,
283 16, 16, 16, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10, 10
284 },
285 { 34, 34, 30, 30, 30, 30, 30, 30, 24, 24, 24, 24, 24, 24, 24,
286 24, 24, 24, 24, 24, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16
287 },
288};
289
290static const int vlc_stage3_values[60] = {
291 0, 1, 2, 3, 4, 6, 8, 10, 12, 16, 20, 24,
292 28, 36, 44, 52, 60, 76, 92, 108, 124, 156, 188, 220,
293 252, 316, 380, 444, 508, 636, 764, 892, 1020, 1276, 1532, 1788,
294 2044, 2556, 3068, 3580, 4092, 5116, 6140, 7164, 8188, 10236, 12284, 14332,
295 16380, 20476, 24572, 28668, 32764, 40956, 49148, 57340, 65532, 81916, 98300,114684
296};
297
298static const float fft_tone_sample_table[4][16][5] = {
299 { { .0100000000f,-.0037037037f,-.0020000000f,-.0069444444f,-.0018416207f },
300 { .0416666667f, .0000000000f, .0000000000f,-.0208333333f,-.0123456791f },
301 { .1250000000f, .0558035709f, .0330687836f,-.0164473690f,-.0097465888f },
302 { .1562500000f, .0625000000f, .0370370370f,-.0062500000f,-.0037037037f },
303 { .1996007860f, .0781250000f, .0462962948f, .0022727272f, .0013468013f },
304 { .2000000000f, .0625000000f, .0370370373f, .0208333333f, .0074074073f },
305 { .2127659619f, .0555555556f, .0329218097f, .0208333333f, .0123456791f },
306 { .2173913121f, .0473484844f, .0280583613f, .0347222239f, .0205761325f },
307 { .2173913121f, .0347222239f, .0205761325f, .0473484844f, .0280583613f },
308 { .2127659619f, .0208333333f, .0123456791f, .0555555556f, .0329218097f },
309 { .2000000000f, .0208333333f, .0074074073f, .0625000000f, .0370370370f },
310 { .1996007860f, .0022727272f, .0013468013f, .0781250000f, .0462962948f },
311 { .1562500000f,-.0062500000f,-.0037037037f, .0625000000f, .0370370370f },
312 { .1250000000f,-.0164473690f,-.0097465888f, .0558035709f, .0330687836f },
313 { .0416666667f,-.0208333333f,-.0123456791f, .0000000000f, .0000000000f },
314 { .0100000000f,-.0069444444f,-.0018416207f,-.0037037037f,-.0020000000f } },
315
316 { { .0050000000f,-.0200000000f, .0125000000f,-.3030303030f, .0020000000f },
317 { .1041666642f, .0400000000f,-.0250000000f, .0333333333f,-.0200000000f },
318 { .1250000000f, .0100000000f, .0142857144f,-.0500000007f,-.0200000000f },
319 { .1562500000f,-.0006250000f,-.00049382716f,-.000625000f,-.00049382716f },
320 { .1562500000f,-.0006250000f,-.00049382716f,-.000625000f,-.00049382716f },
321 { .1250000000f,-.0500000000f,-.0200000000f, .0100000000f, .0142857144f },
322 { .1041666667f, .0333333333f,-.0200000000f, .0400000000f,-.0250000000f },
323 { .0050000000f,-.3030303030f, .0020000001f,-.0200000000f, .0125000000f },
324 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
325 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
326 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
327 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
328 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
329 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
330 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
331 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f } },
332
333 { { .1428571492f, .1250000000f,-.0285714287f,-.0357142873f, .0208333333f },
334 { .1818181818f, .0588235296f, .0333333333f, .0212765951f, .0100000000f },
335 { .1818181818f, .0212765951f, .0100000000f, .0588235296f, .0333333333f },
336 { .1428571492f,-.0357142873f, .0208333333f, .1250000000f,-.0285714287f },
337 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
338 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
339 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
340 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
341 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
342 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
343 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
344 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
345 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
346 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
347 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
348 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f } },
349
350 { { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
351 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
352 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
353 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
354 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
355 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
356 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
357 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
358 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
359 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
360 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
361 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
362 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
363 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
364 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },
365 { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f } }
366};
367
368static const float fft_tone_level_table[2][64] = { {
369/* pow ~ (i > 46) ? 0 : (((((i & 1) ? 431 : 304) << (i >> 1))) / 1024.0); */
370 0.17677669f, 0.42677650f, 0.60355347f, 0.85355347f,
371 1.20710683f, 1.68359375f, 2.37500000f, 3.36718750f,
372 4.75000000f, 6.73437500f, 9.50000000f, 13.4687500f,
373 19.0000000f, 26.9375000f, 38.0000000f, 53.8750000f,
374 76.0000000f, 107.750000f, 152.000000f, 215.500000f,
375 304.000000f, 431.000000f, 608.000000f, 862.000000f,
376 1216.00000f, 1724.00000f, 2432.00000f, 3448.00000f,
377 4864.00000f, 6896.00000f, 9728.00000f, 13792.0000f,
378 19456.0000f, 27584.0000f, 38912.0000f, 55168.0000f,
379 77824.0000f, 110336.000f, 155648.000f, 220672.000f,
380 311296.000f, 441344.000f, 622592.000f, 882688.000f,
381 1245184.00f, 1765376.00f, 2490368.00f, 0.00000000f,
382 0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,
383 0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,
384 0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,
385 0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,
386 }, {
387/* pow = (i > 45) ? 0 : ((((i & 1) ? 431 : 304) << (i >> 1)) / 512.0); */
388 0.59375000f, 0.84179688f, 1.18750000f, 1.68359375f,
389 2.37500000f, 3.36718750f, 4.75000000f, 6.73437500f,
390 9.50000000f, 13.4687500f, 19.0000000f, 26.9375000f,
391 38.0000000f, 53.8750000f, 76.0000000f, 107.750000f,
392 152.000000f, 215.500000f, 304.000000f, 431.000000f,
393 608.000000f, 862.000000f, 1216.00000f, 1724.00000f,
394 2432.00000f, 3448.00000f, 4864.00000f, 6896.00000f,
395 9728.00000f, 13792.0000f, 19456.0000f, 27584.0000f,
396 38912.0000f, 55168.0000f, 77824.0000f, 110336.000f,
397 155648.000f, 220672.000f, 311296.000f, 441344.000f,
398 622592.000f, 882688.000f, 1245184.00f, 1765376.00f,
399 2490368.00f, 3530752.00f, 0.00000000f, 0.00000000f,
400 0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,
401 0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,
402 0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,
403 0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f
404} };
405
406static const float fft_tone_envelope_table[4][31] = {
407 { .009607375f, .038060248f, .084265202f, .146446645f, .222214907f, .308658302f,
408 .402454883f, .500000060f, .597545207f, .691341758f, .777785182f, .853553414f,
409 .915734828f, .961939812f, .990392685f, 1.00000000f, .990392625f, .961939752f,
410 .915734768f, .853553295f, .777785063f, .691341639f, .597545087f, .500000000f,
411 .402454853f, .308658272f, .222214878f, .146446615f, .084265172f, .038060218f,
412 .009607345f },
413 { .038060248f, .146446645f, .308658302f, .500000060f, .691341758f, .853553414f,
414 .961939812f, 1.00000000f, .961939752f, .853553295f, .691341639f, .500000000f,
415 .308658272f, .146446615f, .038060218f, .000000000f, .000000000f, .000000000f,
416 .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,
417 .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,
418 .000000000f },
419 { .146446645f, .500000060f, .853553414f, 1.00000000f, .853553295f, .500000000f,
420 .146446615f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,
421 .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,
422 .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,
423 .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,
424 .000000000f },
425 { .500000060f, 1.00000000f, .500000000f, .000000000f, .000000000f, .000000000f,
426 .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,
427 .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,
428 .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,
429 .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,
430 .000000000f }
431};
432
433static const float sb_noise_attenuation[32] = {
434 0.0f, 0.0f, 0.3f, 0.4f, 0.5f, 0.7f, 1.0f, 1.0f,
435 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
436 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
437 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
438};
439
440static const uint8_t fft_subpackets[32] = {
441 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0,
442 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0
443};
444
445/* first index is joined_stereo, second index is 0 or 2 (1 is unused) */
446static const float dequant_1bit[2][3] = {
447 {-0.920000f, 0.000000f, 0.920000f },
448 {-0.890000f, 0.000000f, 0.890000f }
449};
450
451static const float type30_dequant[8] = {
452 -1.0f,-0.625f,-0.291666656732559f,0.0f,
453 0.25f,0.5f,0.75f,1.0f,
454};
455
456static const float type34_delta[10] = { // FIXME: covers 8 entries..
457 -1.0f,-0.60947573184967f,-0.333333343267441f,-0.138071194291115f,0.0f,
458 0.138071194291115f,0.333333343267441f,0.60947573184967f,1.0f,0.0f,
459};
460
461#endif /* AVCODEC_QDM2DATA_H */
dequant_table
static const uint8_t dequant_table[64]
Definition 4xm.c:118
fft_level_index_table
static const int16_t fft_level_index_table[256]
Definition qdm2data.h:168
tab_diff
static const uint8_t tab_diff[33][2]
Definition qdm2data.h:46
fft_subpackets
static const uint8_t fft_subpackets[32]
Definition qdm2data.h:440
vlc_stage3_values
static const int vlc_stage3_values[60]
Definition qdm2data.h:290
tab_tone_level_idx_mid
static const uint8_t tab_tone_level_idx_mid[13][2]
Definition qdm2data.h:69
tab_fft_tone_offset
static const uint8_t tab_fft_tone_offset[][2]
Definition qdm2data.h:98
fft_cutoff_index_table
static const int fft_cutoff_index_table[4][2]
Definition qdm2data.h:164
fft_tone_envelope_table
static const float fft_tone_envelope_table[4][31]
Definition qdm2data.h:406
fft_stereo_phase
static const uint8_t fft_stereo_phase[9][2]
Definition qdm2data.h:159
tab_tone_level_idx_hi1
static const uint8_t tab_tone_level_idx_hi1[20][2]
Definition qdm2data.h:61
tone_level_idx_offset_table
static const int8_t tone_level_idx_offset_table[30][4]
Definition qdm2data.h:237
tab_fft_tone_offset_sizes
static const uint8_t tab_fft_tone_offset_sizes[]
Definition qdm2data.h:94
fft_level_exp_alt
static const uint8_t fft_level_exp_alt[28][2]
FFT TABLES.
Definition qdm2data.h:137
tab_run
static const uint8_t tab_run[6][2]
Definition qdm2data.h:56
sb_noise_attenuation
static const float sb_noise_attenuation[32]
Definition qdm2data.h:433
coeff_per_sb_for_dequant
static const uint8_t coeff_per_sb_for_dequant[3][30]
Definition qdm2data.h:230
coeff_per_sb_for_avg
static const uint8_t coeff_per_sb_for_avg[3][30]
Definition qdm2data.h:191
tab_type34
static const uint8_t tab_type34[10][2]
Definition qdm2data.h:89
fft_tone_sample_table
static const float fft_tone_sample_table[4][16][5]
Definition qdm2data.h:298
type34_delta
static const float type34_delta[10]
Definition qdm2data.h:456
tab_level
static const uint8_t tab_level[24][2]
VLC TABLES.
Definition qdm2data.h:38
fft_level_exp
static const uint8_t fft_level_exp[20][2]
Definition qdm2data.h:146
type30_dequant
static const float type30_dequant[8]
Definition qdm2data.h:451
dequant_1bit
static const float dequant_1bit[2][3]
Definition qdm2data.h:446
tab_type30
static const uint8_t tab_type30[9][2]
Definition qdm2data.h:83
last_coeff
static const uint8_t last_coeff[3]
Definition qdm2data.h:187
fft_stereo_exp
static const uint8_t fft_stereo_exp[7][2]
Definition qdm2data.h:154
fft_tone_level_table
static const float fft_tone_level_table[2][64]
Definition qdm2data.h:368
tab_tone_level_idx_hi2
static const uint8_t tab_tone_level_idx_hi2[18][2]
Definition qdm2data.h:76
coding_method_table
static const int8_t coding_method_table[5][30]
Definition qdm2data.h:272
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