2 * Bluetooth low-complexity, subband codec (SBC)
4 * Copyright (C) 2017 Aurelien Jacobs <aurel@gnuage.org>
5 * Copyright (C) 2008-2010 Nokia Corporation
6 * Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org>
7 * Copyright (C) 2004-2005 Henryk Ploetz <henryk@ploetzli.ch>
8 * Copyright (C) 2005-2006 Brad Midgley <bmidgley@xmission.com>
10 * This file is part of FFmpeg.
12 * FFmpeg is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU Lesser General Public
14 * License as published by the Free Software Foundation; either
15 * version 2.1 of the License, or (at your option) any later version.
17 * FFmpeg is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * Lesser General Public License for more details.
22 * You should have received a copy of the GNU Lesser General Public
23 * License along with FFmpeg; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
29 * miscellaneous SBC tables
32 #include "sbcdsp_data.h"
34 #define F_PROTO(x) ((int32_t) (((x) * 2) * ((int32_t) 1 << 15) + 0.5))
35 #define F_COS(x) ((int32_t) (((x) ) * ((int32_t) 1 << 15) + 0.5))
38 * Constant tables for the use in SIMD optimized analysis filters
39 * Each table consists of two parts:
40 * 1. reordered "proto" table
41 * 2. reordered "cos" table
43 * Due to non-symmetrical reordering, separate tables for "even"
44 * and "odd" cases are needed
47 DECLARE_ALIGNED(SBC_ALIGN, const int16_t, ff_sbcdsp_analysis_consts_fixed4_simd_even)[40 + 16] = {
48 #define C0 1.0932568993
49 #define C1 1.3056875580
50 #define C2 1.3056875580
51 #define C3 1.6772280856
53 #define F(x) F_PROTO(x)
54 F(0.00000000E+00 * C0), F(3.83720193E-03 * C0),
55 F(5.36548976E-04 * C1), F(2.73370904E-03 * C1),
56 F(3.06012286E-03 * C2), F(3.89205149E-03 * C2),
57 F(0.00000000E+00 * C3), -F(1.49188357E-03 * C3),
58 F(1.09137620E-02 * C0), F(2.58767811E-02 * C0),
59 F(2.04385087E-02 * C1), F(3.21939290E-02 * C1),
60 F(7.76463494E-02 * C2), F(6.13245186E-03 * C2),
61 F(0.00000000E+00 * C3), -F(2.88757392E-02 * C3),
62 F(1.35593274E-01 * C0), F(2.94315332E-01 * C0),
63 F(1.94987841E-01 * C1), F(2.81828203E-01 * C1),
64 -F(1.94987841E-01 * C2), F(2.81828203E-01 * C2),
65 F(0.00000000E+00 * C3), -F(2.46636662E-01 * C3),
66 -F(1.35593274E-01 * C0), F(2.58767811E-02 * C0),
67 -F(7.76463494E-02 * C1), F(6.13245186E-03 * C1),
68 -F(2.04385087E-02 * C2), F(3.21939290E-02 * C2),
69 F(0.00000000E+00 * C3), F(2.88217274E-02 * C3),
70 -F(1.09137620E-02 * C0), F(3.83720193E-03 * C0),
71 -F(3.06012286E-03 * C1), F(3.89205149E-03 * C1),
72 -F(5.36548976E-04 * C2), F(2.73370904E-03 * C2),
73 F(0.00000000E+00 * C3), -F(1.86581691E-03 * C3),
76 F(0.7071067812 / C0), F(0.9238795325 / C1),
77 -F(0.7071067812 / C0), F(0.3826834324 / C1),
78 -F(0.7071067812 / C0), -F(0.3826834324 / C1),
79 F(0.7071067812 / C0), -F(0.9238795325 / C1),
80 F(0.3826834324 / C2), -F(1.0000000000 / C3),
81 -F(0.9238795325 / C2), -F(1.0000000000 / C3),
82 F(0.9238795325 / C2), -F(1.0000000000 / C3),
83 -F(0.3826834324 / C2), -F(1.0000000000 / C3),
92 DECLARE_ALIGNED(SBC_ALIGN, const int16_t, ff_sbcdsp_analysis_consts_fixed4_simd_odd)[40 + 16] = {
93 #define C0 1.3056875580
94 #define C1 1.6772280856
95 #define C2 1.0932568993
96 #define C3 1.3056875580
98 #define F(x) F_PROTO(x)
99 F(2.73370904E-03 * C0), F(5.36548976E-04 * C0),
100 -F(1.49188357E-03 * C1), F(0.00000000E+00 * C1),
101 F(3.83720193E-03 * C2), F(1.09137620E-02 * C2),
102 F(3.89205149E-03 * C3), F(3.06012286E-03 * C3),
103 F(3.21939290E-02 * C0), F(2.04385087E-02 * C0),
104 -F(2.88757392E-02 * C1), F(0.00000000E+00 * C1),
105 F(2.58767811E-02 * C2), F(1.35593274E-01 * C2),
106 F(6.13245186E-03 * C3), F(7.76463494E-02 * C3),
107 F(2.81828203E-01 * C0), F(1.94987841E-01 * C0),
108 -F(2.46636662E-01 * C1), F(0.00000000E+00 * C1),
109 F(2.94315332E-01 * C2), -F(1.35593274E-01 * C2),
110 F(2.81828203E-01 * C3), -F(1.94987841E-01 * C3),
111 F(6.13245186E-03 * C0), -F(7.76463494E-02 * C0),
112 F(2.88217274E-02 * C1), F(0.00000000E+00 * C1),
113 F(2.58767811E-02 * C2), -F(1.09137620E-02 * C2),
114 F(3.21939290E-02 * C3), -F(2.04385087E-02 * C3),
115 F(3.89205149E-03 * C0), -F(3.06012286E-03 * C0),
116 -F(1.86581691E-03 * C1), F(0.00000000E+00 * C1),
117 F(3.83720193E-03 * C2), F(0.00000000E+00 * C2),
118 F(2.73370904E-03 * C3), -F(5.36548976E-04 * C3),
120 #define F(x) F_COS(x)
121 F(0.9238795325 / C0), -F(1.0000000000 / C1),
122 F(0.3826834324 / C0), -F(1.0000000000 / C1),
123 -F(0.3826834324 / C0), -F(1.0000000000 / C1),
124 -F(0.9238795325 / C0), -F(1.0000000000 / C1),
125 F(0.7071067812 / C2), F(0.3826834324 / C3),
126 -F(0.7071067812 / C2), -F(0.9238795325 / C3),
127 -F(0.7071067812 / C2), F(0.9238795325 / C3),
128 F(0.7071067812 / C2), -F(0.3826834324 / C3),
137 DECLARE_ALIGNED(SBC_ALIGN, const int16_t, ff_sbcdsp_analysis_consts_fixed8_simd_even)[80 + 64] = {
138 #define C0 2.7906148894
139 #define C1 2.4270044280
140 #define C2 2.8015616024
141 #define C3 3.1710363741
142 #define C4 2.5377944043
143 #define C5 2.4270044280
144 #define C6 2.8015616024
145 #define C7 3.1710363741
147 #define F(x) F_PROTO(x)
148 F(0.00000000E+00 * C0), F(2.01182542E-03 * C0),
149 F(1.56575398E-04 * C1), F(1.78371725E-03 * C1),
150 F(3.43256425E-04 * C2), F(1.47640169E-03 * C2),
151 F(5.54620202E-04 * C3), F(1.13992507E-03 * C3),
152 -F(8.23919506E-04 * C4), F(0.00000000E+00 * C4),
153 F(2.10371989E-03 * C5), F(3.49717454E-03 * C5),
154 F(1.99454554E-03 * C6), F(1.64973098E-03 * C6),
155 F(1.61656283E-03 * C7), F(1.78805361E-04 * C7),
156 F(5.65949473E-03 * C0), F(1.29371806E-02 * C0),
157 F(8.02941163E-03 * C1), F(1.53184106E-02 * C1),
158 F(1.04584443E-02 * C2), F(1.62208471E-02 * C2),
159 F(1.27472335E-02 * C3), F(1.59045603E-02 * C3),
160 -F(1.46525263E-02 * C4), F(0.00000000E+00 * C4),
161 F(8.85757540E-03 * C5), F(5.31873032E-02 * C5),
162 F(2.92408442E-03 * C6), F(3.90751381E-02 * C6),
163 -F(4.91578024E-03 * C7), F(2.61098752E-02 * C7),
164 F(6.79989431E-02 * C0), F(1.46955068E-01 * C0),
165 F(8.29847578E-02 * C1), F(1.45389847E-01 * C1),
166 F(9.75753918E-02 * C2), F(1.40753505E-01 * C2),
167 F(1.11196689E-01 * C3), F(1.33264415E-01 * C3),
168 -F(1.23264548E-01 * C4), F(0.00000000E+00 * C4),
169 F(1.45389847E-01 * C5), -F(8.29847578E-02 * C5),
170 F(1.40753505E-01 * C6), -F(9.75753918E-02 * C6),
171 F(1.33264415E-01 * C7), -F(1.11196689E-01 * C7),
172 -F(6.79989431E-02 * C0), F(1.29371806E-02 * C0),
173 -F(5.31873032E-02 * C1), F(8.85757540E-03 * C1),
174 -F(3.90751381E-02 * C2), F(2.92408442E-03 * C2),
175 -F(2.61098752E-02 * C3), -F(4.91578024E-03 * C3),
176 F(1.46404076E-02 * C4), F(0.00000000E+00 * C4),
177 F(1.53184106E-02 * C5), -F(8.02941163E-03 * C5),
178 F(1.62208471E-02 * C6), -F(1.04584443E-02 * C6),
179 F(1.59045603E-02 * C7), -F(1.27472335E-02 * C7),
180 -F(5.65949473E-03 * C0), F(2.01182542E-03 * C0),
181 -F(3.49717454E-03 * C1), F(2.10371989E-03 * C1),
182 -F(1.64973098E-03 * C2), F(1.99454554E-03 * C2),
183 -F(1.78805361E-04 * C3), F(1.61656283E-03 * C3),
184 -F(9.02154502E-04 * C4), F(0.00000000E+00 * C4),
185 F(1.78371725E-03 * C5), -F(1.56575398E-04 * C5),
186 F(1.47640169E-03 * C6), -F(3.43256425E-04 * C6),
187 F(1.13992507E-03 * C7), -F(5.54620202E-04 * C7),
189 #define F(x) F_COS(x)
190 F(0.7071067812 / C0), F(0.8314696123 / C1),
191 -F(0.7071067812 / C0), -F(0.1950903220 / C1),
192 -F(0.7071067812 / C0), -F(0.9807852804 / C1),
193 F(0.7071067812 / C0), -F(0.5555702330 / C1),
194 F(0.7071067812 / C0), F(0.5555702330 / C1),
195 -F(0.7071067812 / C0), F(0.9807852804 / C1),
196 -F(0.7071067812 / C0), F(0.1950903220 / C1),
197 F(0.7071067812 / C0), -F(0.8314696123 / C1),
198 F(0.9238795325 / C2), F(0.9807852804 / C3),
199 F(0.3826834324 / C2), F(0.8314696123 / C3),
200 -F(0.3826834324 / C2), F(0.5555702330 / C3),
201 -F(0.9238795325 / C2), F(0.1950903220 / C3),
202 -F(0.9238795325 / C2), -F(0.1950903220 / C3),
203 -F(0.3826834324 / C2), -F(0.5555702330 / C3),
204 F(0.3826834324 / C2), -F(0.8314696123 / C3),
205 F(0.9238795325 / C2), -F(0.9807852804 / C3),
206 -F(1.0000000000 / C4), F(0.5555702330 / C5),
207 -F(1.0000000000 / C4), -F(0.9807852804 / C5),
208 -F(1.0000000000 / C4), F(0.1950903220 / C5),
209 -F(1.0000000000 / C4), F(0.8314696123 / C5),
210 -F(1.0000000000 / C4), -F(0.8314696123 / C5),
211 -F(1.0000000000 / C4), -F(0.1950903220 / C5),
212 -F(1.0000000000 / C4), F(0.9807852804 / C5),
213 -F(1.0000000000 / C4), -F(0.5555702330 / C5),
214 F(0.3826834324 / C6), F(0.1950903220 / C7),
215 -F(0.9238795325 / C6), -F(0.5555702330 / C7),
216 F(0.9238795325 / C6), F(0.8314696123 / C7),
217 -F(0.3826834324 / C6), -F(0.9807852804 / C7),
218 -F(0.3826834324 / C6), F(0.9807852804 / C7),
219 F(0.9238795325 / C6), -F(0.8314696123 / C7),
220 -F(0.9238795325 / C6), F(0.5555702330 / C7),
221 F(0.3826834324 / C6), -F(0.1950903220 / C7),
234 DECLARE_ALIGNED(SBC_ALIGN, const int16_t, ff_sbcdsp_analysis_consts_fixed8_simd_odd)[80 + 64] = {
235 #define C0 2.5377944043
236 #define C1 2.4270044280
237 #define C2 2.8015616024
238 #define C3 3.1710363741
239 #define C4 2.7906148894
240 #define C5 2.4270044280
241 #define C6 2.8015616024
242 #define C7 3.1710363741
244 #define F(x) F_PROTO(x)
245 F(0.00000000E+00 * C0), -F(8.23919506E-04 * C0),
246 F(1.56575398E-04 * C1), F(1.78371725E-03 * C1),
247 F(3.43256425E-04 * C2), F(1.47640169E-03 * C2),
248 F(5.54620202E-04 * C3), F(1.13992507E-03 * C3),
249 F(2.01182542E-03 * C4), F(5.65949473E-03 * C4),
250 F(2.10371989E-03 * C5), F(3.49717454E-03 * C5),
251 F(1.99454554E-03 * C6), F(1.64973098E-03 * C6),
252 F(1.61656283E-03 * C7), F(1.78805361E-04 * C7),
253 F(0.00000000E+00 * C0), -F(1.46525263E-02 * C0),
254 F(8.02941163E-03 * C1), F(1.53184106E-02 * C1),
255 F(1.04584443E-02 * C2), F(1.62208471E-02 * C2),
256 F(1.27472335E-02 * C3), F(1.59045603E-02 * C3),
257 F(1.29371806E-02 * C4), F(6.79989431E-02 * C4),
258 F(8.85757540E-03 * C5), F(5.31873032E-02 * C5),
259 F(2.92408442E-03 * C6), F(3.90751381E-02 * C6),
260 -F(4.91578024E-03 * C7), F(2.61098752E-02 * C7),
261 F(0.00000000E+00 * C0), -F(1.23264548E-01 * C0),
262 F(8.29847578E-02 * C1), F(1.45389847E-01 * C1),
263 F(9.75753918E-02 * C2), F(1.40753505E-01 * C2),
264 F(1.11196689E-01 * C3), F(1.33264415E-01 * C3),
265 F(1.46955068E-01 * C4), -F(6.79989431E-02 * C4),
266 F(1.45389847E-01 * C5), -F(8.29847578E-02 * C5),
267 F(1.40753505E-01 * C6), -F(9.75753918E-02 * C6),
268 F(1.33264415E-01 * C7), -F(1.11196689E-01 * C7),
269 F(0.00000000E+00 * C0), F(1.46404076E-02 * C0),
270 -F(5.31873032E-02 * C1), F(8.85757540E-03 * C1),
271 -F(3.90751381E-02 * C2), F(2.92408442E-03 * C2),
272 -F(2.61098752E-02 * C3), -F(4.91578024E-03 * C3),
273 F(1.29371806E-02 * C4), -F(5.65949473E-03 * C4),
274 F(1.53184106E-02 * C5), -F(8.02941163E-03 * C5),
275 F(1.62208471E-02 * C6), -F(1.04584443E-02 * C6),
276 F(1.59045603E-02 * C7), -F(1.27472335E-02 * C7),
277 F(0.00000000E+00 * C0), -F(9.02154502E-04 * C0),
278 -F(3.49717454E-03 * C1), F(2.10371989E-03 * C1),
279 -F(1.64973098E-03 * C2), F(1.99454554E-03 * C2),
280 -F(1.78805361E-04 * C3), F(1.61656283E-03 * C3),
281 F(2.01182542E-03 * C4), F(0.00000000E+00 * C4),
282 F(1.78371725E-03 * C5), -F(1.56575398E-04 * C5),
283 F(1.47640169E-03 * C6), -F(3.43256425E-04 * C6),
284 F(1.13992507E-03 * C7), -F(5.54620202E-04 * C7),
286 #define F(x) F_COS(x)
287 -F(1.0000000000 / C0), F(0.8314696123 / C1),
288 -F(1.0000000000 / C0), -F(0.1950903220 / C1),
289 -F(1.0000000000 / C0), -F(0.9807852804 / C1),
290 -F(1.0000000000 / C0), -F(0.5555702330 / C1),
291 -F(1.0000000000 / C0), F(0.5555702330 / C1),
292 -F(1.0000000000 / C0), F(0.9807852804 / C1),
293 -F(1.0000000000 / C0), F(0.1950903220 / C1),
294 -F(1.0000000000 / C0), -F(0.8314696123 / C1),
295 F(0.9238795325 / C2), F(0.9807852804 / C3),
296 F(0.3826834324 / C2), F(0.8314696123 / C3),
297 -F(0.3826834324 / C2), F(0.5555702330 / C3),
298 -F(0.9238795325 / C2), F(0.1950903220 / C3),
299 -F(0.9238795325 / C2), -F(0.1950903220 / C3),
300 -F(0.3826834324 / C2), -F(0.5555702330 / C3),
301 F(0.3826834324 / C2), -F(0.8314696123 / C3),
302 F(0.9238795325 / C2), -F(0.9807852804 / C3),
303 F(0.7071067812 / C4), F(0.5555702330 / C5),
304 -F(0.7071067812 / C4), -F(0.9807852804 / C5),
305 -F(0.7071067812 / C4), F(0.1950903220 / C5),
306 F(0.7071067812 / C4), F(0.8314696123 / C5),
307 F(0.7071067812 / C4), -F(0.8314696123 / C5),
308 -F(0.7071067812 / C4), -F(0.1950903220 / C5),
309 -F(0.7071067812 / C4), F(0.9807852804 / C5),
310 F(0.7071067812 / C4), -F(0.5555702330 / C5),
311 F(0.3826834324 / C6), F(0.1950903220 / C7),
312 -F(0.9238795325 / C6), -F(0.5555702330 / C7),
313 F(0.9238795325 / C6), F(0.8314696123 / C7),
314 -F(0.3826834324 / C6), -F(0.9807852804 / C7),
315 -F(0.3826834324 / C6), F(0.9807852804 / C7),
316 F(0.9238795325 / C6), -F(0.8314696123 / C7),
317 -F(0.9238795325 / C6), F(0.5555702330 / C7),
318 F(0.3826834324 / C6), -F(0.1950903220 / C7),