FFmpeg
sbcdsp_data.h
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1 /*
2  * Bluetooth low-complexity, subband codec (SBC)
3  *
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>
9  *
10  * This file is part of FFmpeg.
11  *
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.
16  *
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.
21  *
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
25  */
26 
27 /**
28  * @file
29  * miscellaneous SBC tables
30  */
31 
32 #ifndef AVCODEC_SBCDSP_DATA_H
33 #define AVCODEC_SBCDSP_DATA_H
34 
35 #include <stdint.h>
36 
37 #include "libavutil/mem_internal.h"
38 
39 #include "sbc.h"
40 
41 #define SBC_PROTO_FIXED_SCALE 16
42 #define SBC_COS_TABLE_FIXED_SCALE 15
43 
44 #define F_PROTO(x) ((int32_t) (((x) * 2) * ((int32_t) 1 << 15) + 0.5))
45 #define F_COS(x) ((int32_t) (((x) ) * ((int32_t) 1 << 15) + 0.5))
46 
47 /*
48  * Constant tables for the use in SIMD optimized analysis filters
49  * Each table consists of two parts:
50  * 1. reordered "proto" table
51  * 2. reordered "cos" table
52  *
53  * Due to non-symmetrical reordering, separate tables for "even"
54  * and "odd" cases are needed
55  */
56 
57 DECLARE_ALIGNED(SBC_ALIGN, static const int16_t, sbcdsp_analysis_consts_fixed4_simd_even)[40 + 16] = {
58 #define C0 1.0932568993
59 #define C1 1.3056875580
60 #define C2 1.3056875580
61 #define C3 1.6772280856
62 
63 #define F(x) F_PROTO(x)
64  F(0.00000000E+00 * C0), F(3.83720193E-03 * C0),
65  F(5.36548976E-04 * C1), F(2.73370904E-03 * C1),
66  F(3.06012286E-03 * C2), F(3.89205149E-03 * C2),
67  F(0.00000000E+00 * C3), -F(1.49188357E-03 * C3),
68  F(1.09137620E-02 * C0), F(2.58767811E-02 * C0),
69  F(2.04385087E-02 * C1), F(3.21939290E-02 * C1),
70  F(7.76463494E-02 * C2), F(6.13245186E-03 * C2),
71  F(0.00000000E+00 * C3), -F(2.88757392E-02 * C3),
72  F(1.35593274E-01 * C0), F(2.94315332E-01 * C0),
73  F(1.94987841E-01 * C1), F(2.81828203E-01 * C1),
74  -F(1.94987841E-01 * C2), F(2.81828203E-01 * C2),
75  F(0.00000000E+00 * C3), -F(2.46636662E-01 * C3),
76  -F(1.35593274E-01 * C0), F(2.58767811E-02 * C0),
77  -F(7.76463494E-02 * C1), F(6.13245186E-03 * C1),
78  -F(2.04385087E-02 * C2), F(3.21939290E-02 * C2),
79  F(0.00000000E+00 * C3), F(2.88217274E-02 * C3),
80  -F(1.09137620E-02 * C0), F(3.83720193E-03 * C0),
81  -F(3.06012286E-03 * C1), F(3.89205149E-03 * C1),
82  -F(5.36548976E-04 * C2), F(2.73370904E-03 * C2),
83  F(0.00000000E+00 * C3), -F(1.86581691E-03 * C3),
84 #undef F
85 #define F(x) F_COS(x)
86  F(0.7071067812 / C0), F(0.9238795325 / C1),
87  -F(0.7071067812 / C0), F(0.3826834324 / C1),
88  -F(0.7071067812 / C0), -F(0.3826834324 / C1),
89  F(0.7071067812 / C0), -F(0.9238795325 / C1),
90  F(0.3826834324 / C2), -F(1.0000000000 / C3),
91  -F(0.9238795325 / C2), -F(1.0000000000 / C3),
92  F(0.9238795325 / C2), -F(1.0000000000 / C3),
93  -F(0.3826834324 / C2), -F(1.0000000000 / C3),
94 #undef F
95 
96 #undef C0
97 #undef C1
98 #undef C2
99 #undef C3
100 };
101 
102 DECLARE_ALIGNED(SBC_ALIGN, static const int16_t, sbcdsp_analysis_consts_fixed4_simd_odd)[40 + 16] = {
103 #define C0 1.3056875580
104 #define C1 1.6772280856
105 #define C2 1.0932568993
106 #define C3 1.3056875580
107 
108 #define F(x) F_PROTO(x)
109  F(2.73370904E-03 * C0), F(5.36548976E-04 * C0),
110  -F(1.49188357E-03 * C1), F(0.00000000E+00 * C1),
111  F(3.83720193E-03 * C2), F(1.09137620E-02 * C2),
112  F(3.89205149E-03 * C3), F(3.06012286E-03 * C3),
113  F(3.21939290E-02 * C0), F(2.04385087E-02 * C0),
114  -F(2.88757392E-02 * C1), F(0.00000000E+00 * C1),
115  F(2.58767811E-02 * C2), F(1.35593274E-01 * C2),
116  F(6.13245186E-03 * C3), F(7.76463494E-02 * C3),
117  F(2.81828203E-01 * C0), F(1.94987841E-01 * C0),
118  -F(2.46636662E-01 * C1), F(0.00000000E+00 * C1),
119  F(2.94315332E-01 * C2), -F(1.35593274E-01 * C2),
120  F(2.81828203E-01 * C3), -F(1.94987841E-01 * C3),
121  F(6.13245186E-03 * C0), -F(7.76463494E-02 * C0),
122  F(2.88217274E-02 * C1), F(0.00000000E+00 * C1),
123  F(2.58767811E-02 * C2), -F(1.09137620E-02 * C2),
124  F(3.21939290E-02 * C3), -F(2.04385087E-02 * C3),
125  F(3.89205149E-03 * C0), -F(3.06012286E-03 * C0),
126  -F(1.86581691E-03 * C1), F(0.00000000E+00 * C1),
127  F(3.83720193E-03 * C2), F(0.00000000E+00 * C2),
128  F(2.73370904E-03 * C3), -F(5.36548976E-04 * C3),
129 #undef F
130 #define F(x) F_COS(x)
131  F(0.9238795325 / C0), -F(1.0000000000 / C1),
132  F(0.3826834324 / C0), -F(1.0000000000 / C1),
133  -F(0.3826834324 / C0), -F(1.0000000000 / C1),
134  -F(0.9238795325 / C0), -F(1.0000000000 / C1),
135  F(0.7071067812 / C2), F(0.3826834324 / C3),
136  -F(0.7071067812 / C2), -F(0.9238795325 / C3),
137  -F(0.7071067812 / C2), F(0.9238795325 / C3),
138  F(0.7071067812 / C2), -F(0.3826834324 / C3),
139 #undef F
140 
141 #undef C0
142 #undef C1
143 #undef C2
144 #undef C3
145 };
146 
147 DECLARE_ALIGNED(SBC_ALIGN, static const int16_t, sbcdsp_analysis_consts_fixed8_simd_even)[80 + 64] = {
148 #define C0 2.7906148894
149 #define C1 2.4270044280
150 #define C2 2.8015616024
151 #define C3 3.1710363741
152 #define C4 2.5377944043
153 #define C5 2.4270044280
154 #define C6 2.8015616024
155 #define C7 3.1710363741
156 
157 #define F(x) F_PROTO(x)
158  F(0.00000000E+00 * C0), F(2.01182542E-03 * C0),
159  F(1.56575398E-04 * C1), F(1.78371725E-03 * C1),
160  F(3.43256425E-04 * C2), F(1.47640169E-03 * C2),
161  F(5.54620202E-04 * C3), F(1.13992507E-03 * C3),
162  -F(8.23919506E-04 * C4), F(0.00000000E+00 * C4),
163  F(2.10371989E-03 * C5), F(3.49717454E-03 * C5),
164  F(1.99454554E-03 * C6), F(1.64973098E-03 * C6),
165  F(1.61656283E-03 * C7), F(1.78805361E-04 * C7),
166  F(5.65949473E-03 * C0), F(1.29371806E-02 * C0),
167  F(8.02941163E-03 * C1), F(1.53184106E-02 * C1),
168  F(1.04584443E-02 * C2), F(1.62208471E-02 * C2),
169  F(1.27472335E-02 * C3), F(1.59045603E-02 * C3),
170  -F(1.46525263E-02 * C4), F(0.00000000E+00 * C4),
171  F(8.85757540E-03 * C5), F(5.31873032E-02 * C5),
172  F(2.92408442E-03 * C6), F(3.90751381E-02 * C6),
173  -F(4.91578024E-03 * C7), F(2.61098752E-02 * C7),
174  F(6.79989431E-02 * C0), F(1.46955068E-01 * C0),
175  F(8.29847578E-02 * C1), F(1.45389847E-01 * C1),
176  F(9.75753918E-02 * C2), F(1.40753505E-01 * C2),
177  F(1.11196689E-01 * C3), F(1.33264415E-01 * C3),
178  -F(1.23264548E-01 * C4), F(0.00000000E+00 * C4),
179  F(1.45389847E-01 * C5), -F(8.29847578E-02 * C5),
180  F(1.40753505E-01 * C6), -F(9.75753918E-02 * C6),
181  F(1.33264415E-01 * C7), -F(1.11196689E-01 * C7),
182  -F(6.79989431E-02 * C0), F(1.29371806E-02 * C0),
183  -F(5.31873032E-02 * C1), F(8.85757540E-03 * C1),
184  -F(3.90751381E-02 * C2), F(2.92408442E-03 * C2),
185  -F(2.61098752E-02 * C3), -F(4.91578024E-03 * C3),
186  F(1.46404076E-02 * C4), F(0.00000000E+00 * C4),
187  F(1.53184106E-02 * C5), -F(8.02941163E-03 * C5),
188  F(1.62208471E-02 * C6), -F(1.04584443E-02 * C6),
189  F(1.59045603E-02 * C7), -F(1.27472335E-02 * C7),
190  -F(5.65949473E-03 * C0), F(2.01182542E-03 * C0),
191  -F(3.49717454E-03 * C1), F(2.10371989E-03 * C1),
192  -F(1.64973098E-03 * C2), F(1.99454554E-03 * C2),
193  -F(1.78805361E-04 * C3), F(1.61656283E-03 * C3),
194  -F(9.02154502E-04 * C4), F(0.00000000E+00 * C4),
195  F(1.78371725E-03 * C5), -F(1.56575398E-04 * C5),
196  F(1.47640169E-03 * C6), -F(3.43256425E-04 * C6),
197  F(1.13992507E-03 * C7), -F(5.54620202E-04 * C7),
198 #undef F
199 #define F(x) F_COS(x)
200  F(0.7071067812 / C0), F(0.8314696123 / C1),
201  -F(0.7071067812 / C0), -F(0.1950903220 / C1),
202  -F(0.7071067812 / C0), -F(0.9807852804 / C1),
203  F(0.7071067812 / C0), -F(0.5555702330 / C1),
204  F(0.7071067812 / C0), F(0.5555702330 / C1),
205  -F(0.7071067812 / C0), F(0.9807852804 / C1),
206  -F(0.7071067812 / C0), F(0.1950903220 / C1),
207  F(0.7071067812 / C0), -F(0.8314696123 / C1),
208  F(0.9238795325 / C2), F(0.9807852804 / C3),
209  F(0.3826834324 / C2), F(0.8314696123 / C3),
210  -F(0.3826834324 / C2), F(0.5555702330 / C3),
211  -F(0.9238795325 / C2), F(0.1950903220 / C3),
212  -F(0.9238795325 / C2), -F(0.1950903220 / C3),
213  -F(0.3826834324 / C2), -F(0.5555702330 / C3),
214  F(0.3826834324 / C2), -F(0.8314696123 / C3),
215  F(0.9238795325 / C2), -F(0.9807852804 / C3),
216  -F(1.0000000000 / C4), F(0.5555702330 / C5),
217  -F(1.0000000000 / C4), -F(0.9807852804 / C5),
218  -F(1.0000000000 / C4), F(0.1950903220 / C5),
219  -F(1.0000000000 / C4), F(0.8314696123 / C5),
220  -F(1.0000000000 / C4), -F(0.8314696123 / C5),
221  -F(1.0000000000 / C4), -F(0.1950903220 / C5),
222  -F(1.0000000000 / C4), F(0.9807852804 / C5),
223  -F(1.0000000000 / C4), -F(0.5555702330 / C5),
224  F(0.3826834324 / C6), F(0.1950903220 / C7),
225  -F(0.9238795325 / C6), -F(0.5555702330 / C7),
226  F(0.9238795325 / C6), F(0.8314696123 / C7),
227  -F(0.3826834324 / C6), -F(0.9807852804 / C7),
228  -F(0.3826834324 / C6), F(0.9807852804 / C7),
229  F(0.9238795325 / C6), -F(0.8314696123 / C7),
230  -F(0.9238795325 / C6), F(0.5555702330 / C7),
231  F(0.3826834324 / C6), -F(0.1950903220 / C7),
232 #undef F
233 
234 #undef C0
235 #undef C1
236 #undef C2
237 #undef C3
238 #undef C4
239 #undef C5
240 #undef C6
241 #undef C7
242 };
243 
244 DECLARE_ALIGNED(SBC_ALIGN, static const int16_t, sbcdsp_analysis_consts_fixed8_simd_odd)[80 + 64] = {
245 #define C0 2.5377944043
246 #define C1 2.4270044280
247 #define C2 2.8015616024
248 #define C3 3.1710363741
249 #define C4 2.7906148894
250 #define C5 2.4270044280
251 #define C6 2.8015616024
252 #define C7 3.1710363741
253 
254 #define F(x) F_PROTO(x)
255  F(0.00000000E+00 * C0), -F(8.23919506E-04 * C0),
256  F(1.56575398E-04 * C1), F(1.78371725E-03 * C1),
257  F(3.43256425E-04 * C2), F(1.47640169E-03 * C2),
258  F(5.54620202E-04 * C3), F(1.13992507E-03 * C3),
259  F(2.01182542E-03 * C4), F(5.65949473E-03 * C4),
260  F(2.10371989E-03 * C5), F(3.49717454E-03 * C5),
261  F(1.99454554E-03 * C6), F(1.64973098E-03 * C6),
262  F(1.61656283E-03 * C7), F(1.78805361E-04 * C7),
263  F(0.00000000E+00 * C0), -F(1.46525263E-02 * C0),
264  F(8.02941163E-03 * C1), F(1.53184106E-02 * C1),
265  F(1.04584443E-02 * C2), F(1.62208471E-02 * C2),
266  F(1.27472335E-02 * C3), F(1.59045603E-02 * C3),
267  F(1.29371806E-02 * C4), F(6.79989431E-02 * C4),
268  F(8.85757540E-03 * C5), F(5.31873032E-02 * C5),
269  F(2.92408442E-03 * C6), F(3.90751381E-02 * C6),
270  -F(4.91578024E-03 * C7), F(2.61098752E-02 * C7),
271  F(0.00000000E+00 * C0), -F(1.23264548E-01 * C0),
272  F(8.29847578E-02 * C1), F(1.45389847E-01 * C1),
273  F(9.75753918E-02 * C2), F(1.40753505E-01 * C2),
274  F(1.11196689E-01 * C3), F(1.33264415E-01 * C3),
275  F(1.46955068E-01 * C4), -F(6.79989431E-02 * C4),
276  F(1.45389847E-01 * C5), -F(8.29847578E-02 * C5),
277  F(1.40753505E-01 * C6), -F(9.75753918E-02 * C6),
278  F(1.33264415E-01 * C7), -F(1.11196689E-01 * C7),
279  F(0.00000000E+00 * C0), F(1.46404076E-02 * C0),
280  -F(5.31873032E-02 * C1), F(8.85757540E-03 * C1),
281  -F(3.90751381E-02 * C2), F(2.92408442E-03 * C2),
282  -F(2.61098752E-02 * C3), -F(4.91578024E-03 * C3),
283  F(1.29371806E-02 * C4), -F(5.65949473E-03 * C4),
284  F(1.53184106E-02 * C5), -F(8.02941163E-03 * C5),
285  F(1.62208471E-02 * C6), -F(1.04584443E-02 * C6),
286  F(1.59045603E-02 * C7), -F(1.27472335E-02 * C7),
287  F(0.00000000E+00 * C0), -F(9.02154502E-04 * C0),
288  -F(3.49717454E-03 * C1), F(2.10371989E-03 * C1),
289  -F(1.64973098E-03 * C2), F(1.99454554E-03 * C2),
290  -F(1.78805361E-04 * C3), F(1.61656283E-03 * C3),
291  F(2.01182542E-03 * C4), F(0.00000000E+00 * C4),
292  F(1.78371725E-03 * C5), -F(1.56575398E-04 * C5),
293  F(1.47640169E-03 * C6), -F(3.43256425E-04 * C6),
294  F(1.13992507E-03 * C7), -F(5.54620202E-04 * C7),
295 #undef F
296 #define F(x) F_COS(x)
297  -F(1.0000000000 / C0), F(0.8314696123 / C1),
298  -F(1.0000000000 / C0), -F(0.1950903220 / C1),
299  -F(1.0000000000 / C0), -F(0.9807852804 / C1),
300  -F(1.0000000000 / C0), -F(0.5555702330 / C1),
301  -F(1.0000000000 / C0), F(0.5555702330 / C1),
302  -F(1.0000000000 / C0), F(0.9807852804 / C1),
303  -F(1.0000000000 / C0), F(0.1950903220 / C1),
304  -F(1.0000000000 / C0), -F(0.8314696123 / C1),
305  F(0.9238795325 / C2), F(0.9807852804 / C3),
306  F(0.3826834324 / C2), F(0.8314696123 / C3),
307  -F(0.3826834324 / C2), F(0.5555702330 / C3),
308  -F(0.9238795325 / C2), F(0.1950903220 / C3),
309  -F(0.9238795325 / C2), -F(0.1950903220 / C3),
310  -F(0.3826834324 / C2), -F(0.5555702330 / C3),
311  F(0.3826834324 / C2), -F(0.8314696123 / C3),
312  F(0.9238795325 / C2), -F(0.9807852804 / C3),
313  F(0.7071067812 / C4), F(0.5555702330 / C5),
314  -F(0.7071067812 / C4), -F(0.9807852804 / C5),
315  -F(0.7071067812 / C4), F(0.1950903220 / C5),
316  F(0.7071067812 / C4), F(0.8314696123 / C5),
317  F(0.7071067812 / C4), -F(0.8314696123 / C5),
318  -F(0.7071067812 / C4), -F(0.1950903220 / C5),
319  -F(0.7071067812 / C4), F(0.9807852804 / C5),
320  F(0.7071067812 / C4), -F(0.5555702330 / C5),
321  F(0.3826834324 / C6), F(0.1950903220 / C7),
322  -F(0.9238795325 / C6), -F(0.5555702330 / C7),
323  F(0.9238795325 / C6), F(0.8314696123 / C7),
324  -F(0.3826834324 / C6), -F(0.9807852804 / C7),
325  -F(0.3826834324 / C6), F(0.9807852804 / C7),
326  F(0.9238795325 / C6), -F(0.8314696123 / C7),
327  -F(0.9238795325 / C6), F(0.5555702330 / C7),
328  F(0.3826834324 / C6), -F(0.1950903220 / C7),
329 #undef F
330 
331 #undef C0
332 #undef C1
333 #undef C2
334 #undef C3
335 #undef C4
336 #undef C5
337 #undef C6
338 #undef C7
339 };
340 
341 #endif /* AVCODEC_SBCDSP_DATA_H */
mem_internal.h
C7
#define C7
C5
#define C5
C6
#define C6
E
#define E
Definition: avdct.c:33
sbcdsp_analysis_consts_fixed8_simd_even
static const int16_t sbcdsp_analysis_consts_fixed8_simd_even[80+64]
Definition: sbcdsp_data.h:147
C2
#define C2
SBC_ALIGN
#define SBC_ALIGN
Definition: sbc.h:80
C1
#define C1
DECLARE_ALIGNED
#define DECLARE_ALIGNED(n, t, v)
Definition: mem_internal.h:104
C3
#define C3
sbc.h
sbcdsp_analysis_consts_fixed4_simd_odd
static const int16_t sbcdsp_analysis_consts_fixed4_simd_odd[40+16]
Definition: sbcdsp_data.h:102
C0
#define C0
C4
#define C4
sbcdsp_analysis_consts_fixed4_simd_even
static const int16_t sbcdsp_analysis_consts_fixed4_simd_even[40+16]
Definition: sbcdsp_data.h:57
F
#define F(x)
sbcdsp_analysis_consts_fixed8_simd_odd
static const int16_t sbcdsp_analysis_consts_fixed8_simd_odd[80+64]
Definition: sbcdsp_data.h:244
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