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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 */ | |
38 | static const uint16_t vlc_tab_level_huffcodes[24] = { | |
39 | 0x037c, 0x0004, 0x003c, 0x004c, 0x003a, 0x002c, 0x001c, 0x001a, | |
40 | 0x0024, 0x0014, 0x0001, 0x0002, 0x0000, 0x0003, 0x0007, 0x0005, | |
41 | 0x0006, 0x0008, 0x0009, 0x000a, 0x000c, 0x00fc, 0x007c, 0x017c | |
42 | }; | |
43 | ||
44 | static const uint8_t vlc_tab_level_huffbits[24] = { | |
45 | 10, 6, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 3, 3, 3, 3, 4, 4, 5, 7, 8, 9, 10 | |
46 | }; | |
47 | ||
48 | /* values in this table range from -1..36; adjust retrieved value by -1 */ | |
49 | static const uint16_t vlc_tab_diff_huffcodes[37] = { | |
50 | 0x1c57, 0x0004, 0x0000, 0x0001, 0x0003, 0x0002, 0x000f, 0x000e, | |
51 | 0x0007, 0x0016, 0x0037, 0x0027, 0x0026, 0x0066, 0x0006, 0x0097, | |
52 | 0x0046, 0x01c6, 0x0017, 0x0786, 0x0086, 0x0257, 0x00d7, 0x0357, | |
53 | 0x00c6, 0x0386, 0x0186, 0x0000, 0x0157, 0x0c57, 0x0057, 0x0000, | |
54 | 0x0b86, 0x0000, 0x1457, 0x0000, 0x0457 | |
55 | }; | |
56 | ||
57 | static const uint8_t vlc_tab_diff_huffbits[37] = { | |
58 | 13, 3, 3, 2, 3, 3, 4, 4, 6, 5, 6, 6, 7, 7, 8, 8, | |
59 | 8, 9, 8, 11, 9, 10, 8, 10, 9, 12, 10, 0, 10, 13, 11, 0, | |
60 | 12, 0, 13, 0, 13 | |
61 | }; | |
62 | ||
63 | /* values in this table range from -1..5; adjust retrieved value by -1 */ | |
64 | static const uint8_t vlc_tab_run_huffcodes[6] = { | |
65 | 0x1f, 0x00, 0x01, 0x03, 0x07, 0x0f | |
66 | }; | |
67 | ||
68 | static const uint8_t vlc_tab_run_huffbits[6] = { | |
69 | 5, 1, 2, 3, 4, 5 | |
70 | }; | |
71 | ||
72 | /* values in this table range from -1..19; adjust retrieved value by -1 */ | |
73 | static const uint16_t vlc_tab_tone_level_idx_hi1_huffcodes[20] = { | |
74 | 0x5714, 0x000c, 0x0002, 0x0001, 0x0000, 0x0004, 0x0034, 0x0054, | |
75 | 0x0094, 0x0014, 0x0114, 0x0214, 0x0314, 0x0614, 0x0e14, 0x0f14, | |
76 | 0x2714, 0x0714, 0x1714, 0x3714 | |
77 | }; | |
78 | ||
79 | static const uint8_t vlc_tab_tone_level_idx_hi1_huffbits[20] = { | |
80 | 15, 4, 2, 1, 3, 5, 6, 7, 8, 10, 10, 11, 11, 12, 12, 12, 14, 14, 15, 14 | |
81 | }; | |
82 | ||
83 | /* values in this table range from -1..23; adjust retrieved value by -1 */ | |
84 | static const uint16_t vlc_tab_tone_level_idx_mid_huffcodes[24] = { | |
85 | 0x0fea, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, | |
86 | 0x0000, 0x0000, 0x0000, 0x0000, 0x03ea, 0x00ea, 0x002a, 0x001a, | |
87 | 0x0006, 0x0001, 0x0000, 0x0002, 0x000a, 0x006a, 0x01ea, 0x07ea | |
88 | }; | |
89 | ||
90 | static const uint8_t vlc_tab_tone_level_idx_mid_huffbits[24] = { | |
91 | 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 11, 9, 7, 5, 3, 1, 2, 4, 6, 8, 10, 12 | |
92 | }; | |
93 | ||
94 | /* values in this table range from -1..23; adjust retrieved value by -1 */ | |
95 | static const uint16_t vlc_tab_tone_level_idx_hi2_huffcodes[24] = { | |
96 | 0x0664, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0064, 0x00e4, | |
97 | 0x00a4, 0x0068, 0x0004, 0x0008, 0x0014, 0x0018, 0x0000, 0x0001, | |
98 | 0x0002, 0x0003, 0x000c, 0x0028, 0x0024, 0x0164, 0x0000, 0x0264 | |
99 | }; | |
100 | ||
101 | static const uint8_t vlc_tab_tone_level_idx_hi2_huffbits[24] = { | |
102 | 11, 0, 0, 0, 0, 0, 10, 8, 8, 7, 6, 6, 5, 5, 4, 2, 2, 2, 4, 7, 8, 9, 0, 11 | |
103 | }; | |
104 | ||
105 | /* values in this table range from -1..8; adjust retrieved value by -1 */ | |
106 | static const uint8_t vlc_tab_type30_huffcodes[9] = { | |
107 | 0x3c, 0x06, 0x00, 0x01, 0x03, 0x02, 0x04, 0x0c, 0x1c | |
108 | }; | |
109 | ||
110 | static const uint8_t vlc_tab_type30_huffbits[9] = { | |
111 | 6, 3, 3, 2, 2, 3, 4, 5, 6 | |
112 | }; | |
113 | ||
114 | /* values in this table range from -1..9; adjust retrieved value by -1 */ | |
115 | static const uint8_t vlc_tab_type34_huffcodes[10] = { | |
116 | 0x18, 0x00, 0x01, 0x04, 0x05, 0x07, 0x03, 0x02, 0x06, 0x08 | |
117 | }; | |
118 | ||
119 | static const uint8_t vlc_tab_type34_huffbits[10] = { | |
120 | 5, 4, 3, 3, 3, 3, 3, 3, 3, 5 | |
121 | }; | |
122 | ||
123 | /* values in this table range from -1..22; adjust retrieved value by -1 */ | |
124 | static const uint16_t vlc_tab_fft_tone_offset_0_huffcodes[23] = { | |
125 | 0x038e, 0x0001, 0x0000, 0x0022, 0x000a, 0x0006, 0x0012, 0x0002, | |
126 | 0x001e, 0x003e, 0x0056, 0x0016, 0x000e, 0x0032, 0x0072, 0x0042, | |
127 | 0x008e, 0x004e, 0x00f2, 0x002e, 0x0036, 0x00c2, 0x018e | |
128 | }; | |
129 | ||
130 | static const uint8_t vlc_tab_fft_tone_offset_0_huffbits[23] = { | |
131 | 10, 1, 2, 6, 4, 5, 6, 7, 6, 6, 7, 7, 8, 7, 8, 8, 9, 7, 8, 6, 6, 8, 10 | |
132 | }; | |
133 | ||
134 | /* values in this table range from -1..27; adjust retrieved value by -1 */ | |
135 | static const uint16_t vlc_tab_fft_tone_offset_1_huffcodes[28] = { | |
136 | 0x07a4, 0x0001, 0x0020, 0x0012, 0x001c, 0x0008, 0x0006, 0x0010, | |
137 | 0x0000, 0x0014, 0x0004, 0x0032, 0x0070, 0x000c, 0x0002, 0x003a, | |
138 | 0x001a, 0x002c, 0x002a, 0x0022, 0x0024, 0x000a, 0x0064, 0x0030, | |
139 | 0x0062, 0x00a4, 0x01a4, 0x03a4 | |
140 | }; | |
141 | ||
142 | static const uint8_t vlc_tab_fft_tone_offset_1_huffbits[28] = { | |
143 | 11, 1, 6, 6, 5, 4, 3, 6, 6, 5, 6, 6, 7, 6, 6, 6, | |
144 | 6, 6, 6, 7, 8, 6, 7, 7, 7, 9, 10, 11 | |
145 | }; | |
146 | ||
147 | /* values in this table range from -1..31; adjust retrieved value by -1 */ | |
148 | static const uint16_t vlc_tab_fft_tone_offset_2_huffcodes[32] = { | |
149 | 0x1760, 0x0001, 0x0000, 0x0082, 0x000c, 0x0006, 0x0003, 0x0007, | |
150 | 0x0008, 0x0004, 0x0010, 0x0012, 0x0022, 0x001a, 0x0000, 0x0020, | |
151 | 0x000a, 0x0040, 0x004a, 0x006a, 0x002a, 0x0042, 0x0002, 0x0060, | |
152 | 0x00aa, 0x00e0, 0x00c2, 0x01c2, 0x0160, 0x0360, 0x0760, 0x0f60 | |
153 | }; | |
154 | ||
155 | static const uint8_t vlc_tab_fft_tone_offset_2_huffbits[32] = { | |
156 | 13, 2, 0, 8, 4, 3, 3, 3, 4, 4, 5, 5, 6, 5, 7, 7, | |
157 | 7, 7, 7, 7, 8, 8, 8, 9, 8, 8, 9, 9, 10, 11, 13, 12 | |
158 | }; | |
159 | ||
160 | /* values in this table range from -1..34; adjust retrieved value by -1 */ | |
161 | static const uint16_t vlc_tab_fft_tone_offset_3_huffcodes[35] = { | |
162 | 0x33ea, 0x0005, 0x0000, 0x000c, 0x0000, 0x0006, 0x0003, 0x0008, | |
163 | 0x0002, 0x0001, 0x0004, 0x0007, 0x001a, 0x000f, 0x001c, 0x002c, | |
164 | 0x000a, 0x001d, 0x002d, 0x002a, 0x000d, 0x004c, 0x008c, 0x006a, | |
165 | 0x00cd, 0x004d, 0x00ea, 0x020c, 0x030c, 0x010c, 0x01ea, 0x07ea, | |
166 | 0x0bea, 0x03ea, 0x13ea | |
167 | }; | |
168 | ||
169 | static const uint8_t vlc_tab_fft_tone_offset_3_huffbits[35] = { | |
170 | 14, 4, 0, 10, 4, 3, 3, 4, 4, 3, 4, 4, 5, 4, 5, 6, | |
171 | 6, 5, 6, 7, 7, 7, 8, 8, 8, 8, 9, 10, 10, 10, 10, 11, | |
172 | 12, 13, 14 | |
173 | }; | |
174 | ||
175 | /* values in this table range from -1..37; adjust retrieved value by -1 */ | |
176 | static const uint16_t vlc_tab_fft_tone_offset_4_huffcodes[38] = { | |
177 | 0x5282, 0x0016, 0x0000, 0x0136, 0x0004, 0x0000, 0x0007, 0x000a, | |
178 | 0x000e, 0x0003, 0x0001, 0x000d, 0x0006, 0x0009, 0x0012, 0x0005, | |
179 | 0x0025, 0x0022, 0x0015, 0x0002, 0x0076, 0x0035, 0x0042, 0x00c2, | |
180 | 0x0182, 0x00b6, 0x0036, 0x03c2, 0x0482, 0x01c2, 0x0682, 0x0882, | |
181 | 0x0a82, 0x0082, 0x0282, 0x1282, 0x3282, 0x2282 | |
182 | }; | |
183 | ||
184 | static const uint8_t vlc_tab_fft_tone_offset_4_huffbits[38] = { | |
185 | 15, 6, 0, 9, 3, 3, 3, 4, 4, 3, 4, 4, 5, 4, 5, 6, | |
186 | 6, 6, 6, 8, 7, 6, 8, 9, 9, 8, 9, 10, 11, 10, 11, 12, | |
187 | 12, 12, 14, 15, 14, 14 | |
188 | }; | |
189 | ||
190 | /** FFT TABLES **/ | |
191 | ||
192 | /* values in this table range from -1..27; adjust retrieved value by -1 */ | |
193 | static const uint16_t fft_level_exp_alt_huffcodes[28] = { | |
194 | 0x1ec6, 0x0006, 0x00c2, 0x0142, 0x0242, 0x0246, 0x00c6, 0x0046, | |
195 | 0x0042, 0x0146, 0x00a2, 0x0062, 0x0026, 0x0016, 0x000e, 0x0005, | |
196 | 0x0004, 0x0003, 0x0000, 0x0001, 0x000a, 0x0012, 0x0002, 0x0022, | |
197 | 0x01c6, 0x02c6, 0x06c6, 0x0ec6 | |
198 | }; | |
199 | ||
200 | static const uint8_t fft_level_exp_alt_huffbits[28] = { | |
201 | 13, 7, 8, 9, 10, 10, 10, 10, 10, 9, 8, 7, 6, 5, 4, 3, | |
202 | 3, 2, 3, 3, 4, 5, 7, 8, 9, 11, 12, 13 | |
203 | }; | |
204 | ||
205 | /* values in this table range from -1..19; adjust retrieved value by -1 */ | |
206 | static const uint16_t fft_level_exp_huffcodes[20] = { | |
207 | 0x0f24, 0x0001, 0x0002, 0x0000, 0x0006, 0x0005, 0x0007, 0x000c, | |
208 | 0x000b, 0x0014, 0x0013, 0x0004, 0x0003, 0x0023, 0x0064, 0x00a4, | |
209 | 0x0024, 0x0124, 0x0324, 0x0724 | |
210 | }; | |
211 | ||
212 | static const uint8_t fft_level_exp_huffbits[20] = { | |
213 | 12, 3, 3, 3, 3, 3, 3, 4, 4, 5, 5, 6, 6, 6, 7, 8, 9, 10, 11, 12 | |
214 | }; | |
215 | ||
216 | /* values in this table range from -1..6; adjust retrieved value by -1 */ | |
217 | static const uint8_t fft_stereo_exp_huffcodes[7] = { | |
218 | 0x3e, 0x01, 0x00, 0x02, 0x06, 0x0e, 0x1e | |
219 | }; | |
220 | ||
221 | static const uint8_t fft_stereo_exp_huffbits[7] = { | |
222 | 6, 1, 2, 3, 4, 5, 6 | |
223 | }; | |
224 | ||
225 | /* values in this table range from -1..8; adjust retrieved value by -1 */ | |
226 | static const uint8_t fft_stereo_phase_huffcodes[9] = { | |
227 | 0x35, 0x02, 0x00, 0x01, 0x0d, 0x15, 0x05, 0x09, 0x03 | |
228 | }; | |
229 | ||
230 | static const uint8_t fft_stereo_phase_huffbits[9] = { | |
231 | 6, 2, 2, 4, 4, 6, 5, 4, 2 | |
232 | }; | |
233 | ||
234 | static const int fft_cutoff_index_table[4][2] = { | |
235 | { 1, 2 }, {-1, 0 }, {-1,-2 }, { 0, 0 } | |
236 | }; | |
237 | ||
238 | static const int16_t fft_level_index_table[256] = { | |
239 | 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, | |
240 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | |
241 | 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, | |
242 | 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, | |
243 | 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, | |
244 | 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, | |
245 | 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, | |
246 | 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, | |
247 | 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, | |
248 | 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, | |
249 | 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, | |
250 | 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, | |
251 | 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, | |
252 | 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, | |
253 | 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, | |
254 | 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, | |
255 | }; | |
256 | ||
257 | static const uint8_t last_coeff[3] = { | |
258 | 4, 7, 10 | |
259 | }; | |
260 | ||
261 | static const uint8_t coeff_per_sb_for_avg[3][30] = { | |
262 | { 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 }, | |
263 | { 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 }, | |
264 | { 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 } | |
265 | }; | |
266 | ||
267 | static const uint32_t dequant_table[3][10][30] = { | |
268 | { { 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 }, | |
269 | { 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 }, | |
270 | { 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 }, | |
271 | { 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 }, | |
272 | { 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 }, | |
273 | { 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 }, | |
274 | { 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 }, | |
275 | { 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 }, | |
276 | { 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 }, | |
277 | { 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 } }, | |
278 | { { 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 }, | |
279 | { 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 }, | |
280 | { 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 }, | |
281 | { 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 }, | |
282 | { 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 }, | |
283 | { 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 }, | |
284 | { 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 }, | |
285 | { 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 }, | |
286 | { 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 }, | |
287 | { 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 } }, | |
288 | { { 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 }, | |
289 | { 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 }, | |
290 | { 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 }, | |
291 | { 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 }, | |
292 | { 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 }, | |
293 | { 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 }, | |
294 | { 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 }, | |
295 | { 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 }, | |
296 | { 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 }, | |
297 | { 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 } } | |
298 | }; | |
299 | ||
300 | static const uint8_t coeff_per_sb_for_dequant[3][30] = { | |
301 | { 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 }, | |
302 | { 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 }, | |
303 | { 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 } | |
304 | }; | |
305 | ||
306 | /* first index is subband, 2nd index is 0, 1 or 3 (2 is unused) */ | |
307 | static const int8_t tone_level_idx_offset_table[30][4] = { | |
308 | { -50, -50, 0, -50 }, | |
309 | { -50, -50, 0, -50 }, | |
310 | { -50, -9, 0, -19 }, | |
311 | { -16, -6, 0, -12 }, | |
312 | { -11, -4, 0, -8 }, | |
313 | { -8, -3, 0, -6 }, | |
314 | { -7, -3, 0, -5 }, | |
315 | { -6, -2, 0, -4 }, | |
316 | { -5, -2, 0, -3 }, | |
317 | { -4, -1, 0, -3 }, | |
318 | { -4, -1, 0, -2 }, | |
319 | { -3, -1, 0, -2 }, | |
320 | { -3, -1, 0, -2 }, | |
321 | { -3, -1, 0, -2 }, | |
322 | { -2, -1, 0, -1 }, | |
323 | { -2, -1, 0, -1 }, | |
324 | { -2, -1, 0, -1 }, | |
325 | { -2, 0, 0, -1 }, | |
326 | { -2, 0, 0, -1 }, | |
327 | { -1, 0, 0, -1 }, | |
328 | { -1, 0, 0, -1 }, | |
329 | { -1, 0, 0, -1 }, | |
330 | { -1, 0, 0, -1 }, | |
331 | { -1, 0, 0, -1 }, | |
332 | { -1, 0, 0, -1 }, | |
333 | { -1, 0, 0, -1 }, | |
334 | { -1, 0, 0, 0 }, | |
335 | { -1, 0, 0, 0 }, | |
336 | { -1, 0, 0, 0 }, | |
337 | { -1, 0, 0, 0 } | |
338 | }; | |
339 | ||
340 | /* all my samples have 1st index 0 or 1 */ | |
341 | /* second index is subband, only indexes 0-29 seem to be used */ | |
342 | static const int8_t coding_method_table[5][30] = { | |
343 | { 34, 30, 24, 24, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10, | |
344 | 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10 | |
345 | }, | |
346 | { 34, 30, 24, 24, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10, | |
347 | 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10 | |
348 | }, | |
349 | { 34, 30, 30, 30, 24, 24, 16, 16, 16, 16, 16, 16, 10, 10, 10, | |
350 | 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10 | |
351 | }, | |
352 | { 34, 34, 30, 30, 24, 24, 24, 24, 16, 16, 16, 16, 16, 16, 16, | |
353 | 16, 16, 16, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10, 10 | |
354 | }, | |
355 | { 34, 34, 30, 30, 30, 30, 30, 30, 24, 24, 24, 24, 24, 24, 24, | |
356 | 24, 24, 24, 24, 24, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16 | |
357 | }, | |
358 | }; | |
359 | ||
360 | static const int vlc_stage3_values[60] = { | |
361 | 0, 1, 2, 3, 4, 6, 8, 10, 12, 16, 20, 24, | |
362 | 28, 36, 44, 52, 60, 76, 92, 108, 124, 156, 188, 220, | |
363 | 252, 316, 380, 444, 508, 636, 764, 892, 1020, 1276, 1532, 1788, | |
364 | 2044, 2556, 3068, 3580, 4092, 5116, 6140, 7164, 8188, 10236, 12284, 14332, | |
365 | 16380, 20476, 24572, 28668, 32764, 40956, 49148, 57340, 65532, 81916, 98300,114684 | |
366 | }; | |
367 | ||
368 | static const float fft_tone_sample_table[4][16][5] = { | |
369 | { { .0100000000f,-.0037037037f,-.0020000000f,-.0069444444f,-.0018416207f }, | |
370 | { .0416666667f, .0000000000f, .0000000000f,-.0208333333f,-.0123456791f }, | |
371 | { .1250000000f, .0558035709f, .0330687836f,-.0164473690f,-.0097465888f }, | |
372 | { .1562500000f, .0625000000f, .0370370370f,-.0062500000f,-.0037037037f }, | |
373 | { .1996007860f, .0781250000f, .0462962948f, .0022727272f, .0013468013f }, | |
374 | { .2000000000f, .0625000000f, .0370370373f, .0208333333f, .0074074073f }, | |
375 | { .2127659619f, .0555555556f, .0329218097f, .0208333333f, .0123456791f }, | |
376 | { .2173913121f, .0473484844f, .0280583613f, .0347222239f, .0205761325f }, | |
377 | { .2173913121f, .0347222239f, .0205761325f, .0473484844f, .0280583613f }, | |
378 | { .2127659619f, .0208333333f, .0123456791f, .0555555556f, .0329218097f }, | |
379 | { .2000000000f, .0208333333f, .0074074073f, .0625000000f, .0370370370f }, | |
380 | { .1996007860f, .0022727272f, .0013468013f, .0781250000f, .0462962948f }, | |
381 | { .1562500000f,-.0062500000f,-.0037037037f, .0625000000f, .0370370370f }, | |
382 | { .1250000000f,-.0164473690f,-.0097465888f, .0558035709f, .0330687836f }, | |
383 | { .0416666667f,-.0208333333f,-.0123456791f, .0000000000f, .0000000000f }, | |
384 | { .0100000000f,-.0069444444f,-.0018416207f,-.0037037037f,-.0020000000f } }, | |
385 | ||
386 | { { .0050000000f,-.0200000000f, .0125000000f,-.3030303030f, .0020000000f }, | |
387 | { .1041666642f, .0400000000f,-.0250000000f, .0333333333f,-.0200000000f }, | |
388 | { .1250000000f, .0100000000f, .0142857144f,-.0500000007f,-.0200000000f }, | |
389 | { .1562500000f,-.0006250000f,-.00049382716f,-.000625000f,-.00049382716f }, | |
390 | { .1562500000f,-.0006250000f,-.00049382716f,-.000625000f,-.00049382716f }, | |
391 | { .1250000000f,-.0500000000f,-.0200000000f, .0100000000f, .0142857144f }, | |
392 | { .1041666667f, .0333333333f,-.0200000000f, .0400000000f,-.0250000000f }, | |
393 | { .0050000000f,-.3030303030f, .0020000001f,-.0200000000f, .0125000000f }, | |
394 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
395 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
396 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
397 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
398 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
399 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
400 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
401 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f } }, | |
402 | ||
403 | { { .1428571492f, .1250000000f,-.0285714287f,-.0357142873f, .0208333333f }, | |
404 | { .1818181818f, .0588235296f, .0333333333f, .0212765951f, .0100000000f }, | |
405 | { .1818181818f, .0212765951f, .0100000000f, .0588235296f, .0333333333f }, | |
406 | { .1428571492f,-.0357142873f, .0208333333f, .1250000000f,-.0285714287f }, | |
407 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
408 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
409 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
410 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
411 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
412 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
413 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
414 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
415 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
416 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
417 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
418 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f } }, | |
419 | ||
420 | { { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
421 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
422 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
423 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
424 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
425 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
426 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
427 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
428 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
429 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
430 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
431 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
432 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
433 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
434 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f }, | |
435 | { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f } } | |
436 | }; | |
437 | ||
438 | static const float fft_tone_level_table[2][64] = { { | |
439 | /* pow ~ (i > 46) ? 0 : (((((i & 1) ? 431 : 304) << (i >> 1))) / 1024.0); */ | |
440 | 0.17677669f, 0.42677650f, 0.60355347f, 0.85355347f, | |
441 | 1.20710683f, 1.68359375f, 2.37500000f, 3.36718750f, | |
442 | 4.75000000f, 6.73437500f, 9.50000000f, 13.4687500f, | |
443 | 19.0000000f, 26.9375000f, 38.0000000f, 53.8750000f, | |
444 | 76.0000000f, 107.750000f, 152.000000f, 215.500000f, | |
445 | 304.000000f, 431.000000f, 608.000000f, 862.000000f, | |
446 | 1216.00000f, 1724.00000f, 2432.00000f, 3448.00000f, | |
447 | 4864.00000f, 6896.00000f, 9728.00000f, 13792.0000f, | |
448 | 19456.0000f, 27584.0000f, 38912.0000f, 55168.0000f, | |
449 | 77824.0000f, 110336.000f, 155648.000f, 220672.000f, | |
450 | 311296.000f, 441344.000f, 622592.000f, 882688.000f, | |
451 | 1245184.00f, 1765376.00f, 2490368.00f, 0.00000000f, | |
452 | 0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f, | |
453 | 0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f, | |
454 | 0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f, | |
455 | 0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f, | |
456 | }, { | |
457 | /* pow = (i > 45) ? 0 : ((((i & 1) ? 431 : 304) << (i >> 1)) / 512.0); */ | |
458 | 0.59375000f, 0.84179688f, 1.18750000f, 1.68359375f, | |
459 | 2.37500000f, 3.36718750f, 4.75000000f, 6.73437500f, | |
460 | 9.50000000f, 13.4687500f, 19.0000000f, 26.9375000f, | |
461 | 38.0000000f, 53.8750000f, 76.0000000f, 107.750000f, | |
462 | 152.000000f, 215.500000f, 304.000000f, 431.000000f, | |
463 | 608.000000f, 862.000000f, 1216.00000f, 1724.00000f, | |
464 | 2432.00000f, 3448.00000f, 4864.00000f, 6896.00000f, | |
465 | 9728.00000f, 13792.0000f, 19456.0000f, 27584.0000f, | |
466 | 38912.0000f, 55168.0000f, 77824.0000f, 110336.000f, | |
467 | 155648.000f, 220672.000f, 311296.000f, 441344.000f, | |
468 | 622592.000f, 882688.000f, 1245184.00f, 1765376.00f, | |
469 | 2490368.00f, 3530752.00f, 0.00000000f, 0.00000000f, | |
470 | 0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f, | |
471 | 0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f, | |
472 | 0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f, | |
473 | 0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f | |
474 | } }; | |
475 | ||
476 | static const float fft_tone_envelope_table[4][31] = { | |
477 | { .009607375f, .038060248f, .084265202f, .146446645f, .222214907f, .308658302f, | |
478 | .402454883f, .500000060f, .597545207f, .691341758f, .777785182f, .853553414f, | |
479 | .915734828f, .961939812f, .990392685f, 1.00000000f, .990392625f, .961939752f, | |
480 | .915734768f, .853553295f, .777785063f, .691341639f, .597545087f, .500000000f, | |
481 | .402454853f, .308658272f, .222214878f, .146446615f, .084265172f, .038060218f, | |
482 | .009607345f }, | |
483 | { .038060248f, .146446645f, .308658302f, .500000060f, .691341758f, .853553414f, | |
484 | .961939812f, 1.00000000f, .961939752f, .853553295f, .691341639f, .500000000f, | |
485 | .308658272f, .146446615f, .038060218f, .000000000f, .000000000f, .000000000f, | |
486 | .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, | |
487 | .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, | |
488 | .000000000f }, | |
489 | { .146446645f, .500000060f, .853553414f, 1.00000000f, .853553295f, .500000000f, | |
490 | .146446615f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, | |
491 | .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, | |
492 | .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, | |
493 | .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, | |
494 | .000000000f }, | |
495 | { .500000060f, 1.00000000f, .500000000f, .000000000f, .000000000f, .000000000f, | |
496 | .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, | |
497 | .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, | |
498 | .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, | |
499 | .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, | |
500 | .000000000f } | |
501 | }; | |
502 | ||
503 | static const float sb_noise_attenuation[32] = { | |
504 | 0.0f, 0.0f, 0.3f, 0.4f, 0.5f, 0.7f, 1.0f, 1.0f, | |
505 | 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, | |
506 | 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, | |
507 | 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, | |
508 | }; | |
509 | ||
510 | static const uint8_t fft_subpackets[32] = { | |
511 | 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, | |
512 | 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0 | |
513 | }; | |
514 | ||
515 | /* first index is joined_stereo, second index is 0 or 2 (1 is unused) */ | |
516 | static const float dequant_1bit[2][3] = { | |
517 | {-0.920000f, 0.000000f, 0.920000f }, | |
518 | {-0.890000f, 0.000000f, 0.890000f } | |
519 | }; | |
520 | ||
521 | static const float type30_dequant[8] = { | |
522 | -1.0f,-0.625f,-0.291666656732559f,0.0f, | |
523 | 0.25f,0.5f,0.75f,1.0f, | |
524 | }; | |
525 | ||
526 | static const float type34_delta[10] = { // FIXME: covers 8 entries.. | |
527 | -1.0f,-0.60947573184967f,-0.333333343267441f,-0.138071194291115f,0.0f, | |
528 | 0.138071194291115f,0.333333343267441f,0.60947573184967f,1.0f,0.0f, | |
529 | }; | |
530 | ||
531 | #endif /* AVCODEC_QDM2DATA_H */ |