FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/aacps_fixed_tablegen.h
Date: 2026-01-23 19:11:46
Exec Total Coverage
Lines: 109 109 100.0%
Functions: 2 2 100.0%
Branches: 40 40 100.0%
Line Branch Exec Source
1 /*
2 * Header file for hardcoded Parametric Stereo tables
3 *
4 * Copyright (c) 2010 Alex Converse <alex.converse@gmail.com>
5 *
6 * This file is part of FFmpeg.
7 *
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 *
22 * Note: Rounding-to-nearest used unless otherwise stated
23 *
24 */
25
26 #ifndef AVCODEC_AACPS_FIXED_TABLEGEN_H
27 #define AVCODEC_AACPS_FIXED_TABLEGEN_H
28
29 #include <math.h>
30 #include <stdint.h>
31
32 #if CONFIG_HARDCODED_TABLES
33 #define ps_tableinit()
34 #define TABLE_CONST const
35 #include "libavcodec/aacps_fixed_tables.h"
36 #else
37 #include "libavutil/common.h"
38 #include "libavutil/mathematics.h"
39 #ifdef BUILD_TABLES
40 #undef DECLARE_ALIGNED
41 #define DECLARE_ALIGNED(align, type, variable) type variable
42 #else
43 #include "libavutil/mem_internal.h"
44 #endif
45
46 #include "aac_defines.h"
47 #include "libavutil/softfloat.h"
48 #define NR_ALLPASS_BANDS20 30
49 #define NR_ALLPASS_BANDS34 50
50 #define PS_AP_LINKS 3
51 #define TABLE_CONST
52 static int pd_re_smooth[8*8*8];
53 static int pd_im_smooth[8*8*8];
54 static int HA[46][8][4];
55 static int HB[46][8][4];
56 static DECLARE_ALIGNED(16, int, f20_0_8) [ 8][8][2];
57 static DECLARE_ALIGNED(16, int, f34_0_12)[12][8][2];
58 static DECLARE_ALIGNED(16, int, f34_1_8) [ 8][8][2];
59 static DECLARE_ALIGNED(16, int, f34_2_4) [ 4][8][2];
60 static TABLE_CONST DECLARE_ALIGNED(16, int, Q_fract_allpass)[2][50][3][2];
61 static DECLARE_ALIGNED(16, int, phi_fract)[2][50][2];
62
63 static const int g0_Q8[] = {
64 Q31(0.00746082949812f), Q31(0.02270420949825f), Q31(0.04546865930473f), Q31(0.07266113929591f),
65 Q31(0.09885108575264f), Q31(0.11793710567217f), Q31(0.125f)
66 };
67
68 static const int g0_Q12[] = {
69 Q31(0.04081179924692f), Q31(0.03812810994926f), Q31(0.05144908135699f), Q31(0.06399831151592f),
70 Q31(0.07428313801106f), Q31(0.08100347892914f), Q31(0.08333333333333f)
71 };
72
73 static const int g1_Q8[] = {
74 Q31(0.01565675600122f), Q31(0.03752716391991f), Q31(0.05417891378782f), Q31(0.08417044116767f),
75 Q31(0.10307344158036f), Q31(0.12222452249753f), Q31(0.125f)
76 };
77
78 static const int g2_Q4[] = {
79 Q31(-0.05908211155639f), Q31(-0.04871498374946f), Q31(0.0f), Q31(0.07778723915851f),
80 Q31( 0.16486303567403f), Q31( 0.23279856662996f), Q31(0.25f)
81 };
82
83 static const int sintbl_4[4] = { 0, 1073741824, 0, -1073741824 };
84 static const int costbl_4[4] = { 1073741824, 0, -1073741824, 0 };
85 static const int sintbl_8[8] = { 0, 759250125, 1073741824, 759250125,
86 0, -759250125, -1073741824, -759250125 };
87 static const int costbl_8[8] = { 1073741824, 759250125, 0, -759250125,
88 -1073741824, -759250125, 0, 759250125 };
89 static const int sintbl_12[12] = { 0, 536870912, 929887697, 1073741824,
90 929887697, 536870912, 0, -536870912,
91 -929887697, -1073741824, -929887697, -536870912 };
92 static const int costbl_12[12] = { 1073741824, 929887697, 536870912, 0,
93 -536870912, -929887697, -1073741824, -929887697,
94 -536870912, 0, 536870912, 929887697 };
95
96 72 static void make_filters_from_proto(int (*filter)[8][2], const int *proto, int bands)
97 {
98
99 const int *sinptr, *cosptr;
100 int s, c, sinhalf, coshalf;
101 int q, n;
102
103
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 72 if (bands == 4) {
104 18 sinptr = sintbl_4;
105 18 cosptr = costbl_4;
106 18 sinhalf = 759250125;
107 18 coshalf = 759250125;
108
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 54 } else if (bands == 8) {
109 36 sinptr = sintbl_8;
110 36 cosptr = costbl_8;
111 36 sinhalf = 410903207;
112 36 coshalf = 992008094;
113 } else {
114 18 sinptr = sintbl_12;
115 18 cosptr = costbl_12;
116 18 sinhalf = 277904834;
117 18 coshalf = 1037154959;
118 }
119
120
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 648 for (q = 0; q < bands; q++) {
121
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 4608 for (n = 0; n < 7; n++) {
122 4032 int theta = (q*(n-6) + (n>>1) - 3) % bands;
123
124
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 4032 if (theta < 0)
125 3258 theta += bands;
126 4032 s = sinptr[theta];
127 4032 c = cosptr[theta];
128
129
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 4032 if (n & 1) {
130 1728 theta = (int)(((int64_t)c * coshalf - (int64_t)s * sinhalf + 0x20000000) >> 30);
131 1728 s = (int)(((int64_t)s * coshalf + (int64_t)c * sinhalf + 0x20000000) >> 30);
132 1728 c = theta;
133 }
134 4032 filter[q][n][0] = (int)(((int64_t)proto[n] * c + 0x20000000) >> 30);
135 4032 filter[q][n][1] = -(int)(((int64_t)proto[n] * s + 0x20000000) >> 30);
136 }
137 }
138 72 }
139
140 18 static void ps_tableinit(void)
141 {
142 static const int ipdopd_sin[] = { Q30(0), Q30(M_SQRT1_2), Q30(1), Q30( M_SQRT1_2), Q30( 0), Q30(-M_SQRT1_2), Q30(-1), Q30(-M_SQRT1_2) };
143 static const int ipdopd_cos[] = { Q30(1), Q30(M_SQRT1_2), Q30(0), Q30(-M_SQRT1_2), Q30(-1), Q30(-M_SQRT1_2), Q30( 0), Q30( M_SQRT1_2) };
144 int pd0, pd1, pd2;
145 int idx;
146
147 static const int alpha_tab[] =
148 {
149 Q30(1.5146213770f/M_PI), Q30(1.5181334019f/M_PI), Q30(1.5234849453f/M_PI), Q30(1.5369486809f/M_PI), Q30(1.5500687361f/M_PI), Q30(1.5679757595f/M_PI),
150 Q30(1.4455626011f/M_PI), Q30(1.4531552792f/M_PI), Q30(1.4648091793f/M_PI), Q30(1.4945238829f/M_PI), Q30(1.5239057541f/M_PI), Q30(1.5644006729f/M_PI),
151 Q30(1.3738563061f/M_PI), Q30(1.3851221800f/M_PI), Q30(1.4026404619f/M_PI), Q30(1.4484288692f/M_PI), Q30(1.4949874878f/M_PI), Q30(1.5604078770f/M_PI),
152 Q30(1.2645189762f/M_PI), Q30(1.2796478271f/M_PI), Q30(1.3038636446f/M_PI), Q30(1.3710125685f/M_PI), Q30(1.4443849325f/M_PI), Q30(1.5532352924f/M_PI),
153 Q30(1.1507037878f/M_PI), Q30(1.1669205427f/M_PI), Q30(1.1938756704f/M_PI), Q30(1.2754167318f/M_PI), Q30(1.3761177063f/M_PI), Q30(1.5429240465f/M_PI),
154 Q30(1.0079245567f/M_PI), Q30(1.0208238363f/M_PI), Q30(1.0433073044f/M_PI), Q30(1.1208510399f/M_PI), Q30(1.2424604893f/M_PI), Q30(1.5185726881f/M_PI),
155 Q30(0.8995233774f/M_PI), Q30(0.9069069624f/M_PI), Q30(0.9201194048f/M_PI), Q30(0.9698365927f/M_PI), Q30(1.0671583414f/M_PI), Q30(1.4647934437f/M_PI),
156 Q30(0.7853981853f/M_PI), Q30(0.7853981853f/M_PI), Q30(0.7853981853f/M_PI), Q30(0.7853981853f/M_PI), Q30(0.7853981853f/M_PI), Q30(0.7853981853f/M_PI),
157 Q30(0.6712729335f/M_PI), Q30(0.6638893485f/M_PI), Q30(0.6506769061f/M_PI), Q30(0.6009597182f/M_PI), Q30(0.5036380291f/M_PI), Q30(0.1060028747f/M_PI),
158 Q30(0.5628717542f/M_PI), Q30(0.5499725342f/M_PI), Q30(0.5274890065f/M_PI), Q30(0.4499453008f/M_PI), Q30(0.3283358216f/M_PI), Q30(0.0522236861f/M_PI),
159 Q30(0.4200925827f/M_PI), Q30(0.4038758278f/M_PI), Q30(0.3769206405f/M_PI), Q30(0.2953795493f/M_PI), Q30(0.1946786791f/M_PI), Q30(0.0278722942f/M_PI),
160 Q30(0.3062773645f/M_PI), Q30(0.2911485136f/M_PI), Q30(0.2669326365f/M_PI), Q30(0.1997837722f/M_PI), Q30(0.1264114529f/M_PI), Q30(0.0175609849f/M_PI),
161 Q30(0.1969399750f/M_PI), Q30(0.1856741160f/M_PI), Q30(0.1681558639f/M_PI), Q30(0.1223674342f/M_PI), Q30(0.0758088827f/M_PI), Q30(0.0103884479f/M_PI),
162 Q30(0.1252337098f/M_PI), Q30(0.1176410317f/M_PI), Q30(0.1059871912f/M_PI), Q30(0.0762724727f/M_PI), Q30(0.0468905345f/M_PI), Q30(0.0063956482f/M_PI),
163 Q30(0.0561749674f/M_PI), Q30(0.0526629239f/M_PI), Q30(0.0473113805f/M_PI), Q30(0.0338476151f/M_PI), Q30(0.0207276177f/M_PI), Q30(0.0028205961f/M_PI),
164 Q30(1.5676341057f/M_PI), Q30(1.5678333044f/M_PI), Q30(1.5681363344f/M_PI), Q30(1.5688960552f/M_PI), Q30(1.5696337223f/M_PI), Q30(1.5706381798f/M_PI),
165 Q30(1.5651730299f/M_PI), Q30(1.5655272007f/M_PI), Q30(1.5660660267f/M_PI), Q30(1.5674170256f/M_PI), Q30(1.5687289238f/M_PI), Q30(1.5705151558f/M_PI),
166 Q30(1.5607966185f/M_PI), Q30(1.5614265203f/M_PI), Q30(1.5623844862f/M_PI), Q30(1.5647867918f/M_PI), Q30(1.5671195984f/M_PI), Q30(1.5702962875f/M_PI),
167 Q30(1.5530153513f/M_PI), Q30(1.5541347265f/M_PI), Q30(1.5558375120f/M_PI), Q30(1.5601085424f/M_PI), Q30(1.5642569065f/M_PI), Q30(1.5699069500f/M_PI),
168 Q30(1.5391840935f/M_PI), Q30(1.5411708355f/M_PI), Q30(1.5441943407f/M_PI), Q30(1.5517836809f/M_PI), Q30(1.5591609478f/M_PI), Q30(1.5692136288f/M_PI),
169 Q30(1.5146213770f/M_PI), Q30(1.5181334019f/M_PI), Q30(1.5234849453f/M_PI), Q30(1.5369486809f/M_PI), Q30(1.5500687361f/M_PI), Q30(1.5679757595f/M_PI),
170 Q30(1.4915299416f/M_PI), Q30(1.4964480400f/M_PI), Q30(1.5039558411f/M_PI), Q30(1.5229074955f/M_PI), Q30(1.5414420366f/M_PI), Q30(1.5667995214f/M_PI),
171 Q30(1.4590617418f/M_PI), Q30(1.4658898115f/M_PI), Q30(1.4763505459f/M_PI), Q30(1.5029321909f/M_PI), Q30(1.5291173458f/M_PI), Q30(1.5651149750f/M_PI),
172 Q30(1.4136143923f/M_PI), Q30(1.4229322672f/M_PI), Q30(1.4373078346f/M_PI), Q30(1.4743183851f/M_PI), Q30(1.5113102198f/M_PI), Q30(1.5626684427f/M_PI),
173 Q30(1.3505556583f/M_PI), Q30(1.3628427982f/M_PI), Q30(1.3820509911f/M_PI), Q30(1.4327841997f/M_PI), Q30(1.4850014448f/M_PI), Q30(1.5590143204f/M_PI),
174 Q30(1.2645189762f/M_PI), Q30(1.2796478271f/M_PI), Q30(1.3038636446f/M_PI), Q30(1.3710125685f/M_PI), Q30(1.4443849325f/M_PI), Q30(1.5532352924f/M_PI),
175 Q30(1.1919227839f/M_PI), Q30(1.2081253529f/M_PI), Q30(1.2346779108f/M_PI), Q30(1.3123005629f/M_PI), Q30(1.4034168720f/M_PI), Q30(1.5471596718f/M_PI),
176 Q30(1.1061993837f/M_PI), Q30(1.1219338179f/M_PI), Q30(1.1484941244f/M_PI), Q30(1.2320860624f/M_PI), Q30(1.3421301842f/M_PI), Q30(1.5373806953f/M_PI),
177 Q30(1.0079245567f/M_PI), Q30(1.0208238363f/M_PI), Q30(1.0433073044f/M_PI), Q30(1.1208510399f/M_PI), Q30(1.2424604893f/M_PI), Q30(1.5185726881f/M_PI),
178 Q30(0.8995233774f/M_PI), Q30(0.9069069624f/M_PI), Q30(0.9201194048f/M_PI), Q30(0.9698365927f/M_PI), Q30(1.0671583414f/M_PI), Q30(1.4647934437f/M_PI),
179 Q30(0.7853981853f/M_PI), Q30(0.7853981853f/M_PI), Q30(0.7853981853f/M_PI), Q30(0.7853981853f/M_PI), Q30(0.7853981853f/M_PI), Q30(0.7853981853f/M_PI),
180 Q30(0.6712729335f/M_PI), Q30(0.6638893485f/M_PI), Q30(0.6506769061f/M_PI), Q30(0.6009597182f/M_PI), Q30(0.5036380291f/M_PI), Q30(0.1060028747f/M_PI),
181 Q30(0.5628717542f/M_PI), Q30(0.5499725342f/M_PI), Q30(0.5274890065f/M_PI), Q30(0.4499453008f/M_PI), Q30(0.3283358216f/M_PI), Q30(0.0522236861f/M_PI),
182 Q30(0.4645969570f/M_PI), Q30(0.4488625824f/M_PI), Q30(0.4223022461f/M_PI), Q30(0.3387103081f/M_PI), Q30(0.2286661267f/M_PI), Q30(0.0334156826f/M_PI),
183 Q30(0.3788735867f/M_PI), Q30(0.3626709878f/M_PI), Q30(0.3361184299f/M_PI), Q30(0.2584958076f/M_PI), Q30(0.1673794836f/M_PI), Q30(0.0236366931f/M_PI),
184 Q30(0.3062773645f/M_PI), Q30(0.2911485136f/M_PI), Q30(0.2669326365f/M_PI), Q30(0.1997837722f/M_PI), Q30(0.1264114529f/M_PI), Q30(0.0175609849f/M_PI),
185 Q30(0.2202406377f/M_PI), Q30(0.2079535723f/M_PI), Q30(0.1887452900f/M_PI), Q30(0.1380121708f/M_PI), Q30(0.0857949182f/M_PI), Q30(0.0117820343f/M_PI),
186 Q30(0.1571819335f/M_PI), Q30(0.1478640437f/M_PI), Q30(0.1334884763f/M_PI), Q30(0.0964778885f/M_PI), Q30(0.0594860613f/M_PI), Q30(0.0081279324f/M_PI),
187 Q30(0.1117345318f/M_PI), Q30(0.1049065739f/M_PI), Q30(0.0944457650f/M_PI), Q30(0.0678641573f/M_PI), Q30(0.0416790098f/M_PI), Q30(0.0056813755f/M_PI),
188 Q30(0.0792663917f/M_PI), Q30(0.0743482932f/M_PI), Q30(0.0668405443f/M_PI), Q30(0.0478888862f/M_PI), Q30(0.0293543357f/M_PI), Q30(0.0039967746f/M_PI),
189 Q30(0.0561749674f/M_PI), Q30(0.0526629239f/M_PI), Q30(0.0473113805f/M_PI), Q30(0.0338476151f/M_PI), Q30(0.0207276177f/M_PI), Q30(0.0028205961f/M_PI),
190 Q30(0.0316122435f/M_PI), Q30(0.0296254847f/M_PI), Q30(0.0266019460f/M_PI), Q30(0.0190126132f/M_PI), Q30(0.0116353342f/M_PI), Q30(0.0015827164f/M_PI),
191 Q30(0.0177809205f/M_PI), Q30(0.0166615788f/M_PI), Q30(0.0149587989f/M_PI), Q30(0.0106877899f/M_PI), Q30(0.0065393616f/M_PI), Q30(0.0008894200f/M_PI),
192 Q30(0.0099996664f/M_PI), Q30(0.0093698399f/M_PI), Q30(0.0084118480f/M_PI), Q30(0.0060095116f/M_PI), Q30(0.0036767013f/M_PI), Q30(0.0005000498f/M_PI),
193 Q30(0.0056233541f/M_PI), Q30(0.0052691097f/M_PI), Q30(0.0047303112f/M_PI), Q30(0.0033792770f/M_PI), Q30(0.0020674451f/M_PI), Q30(0.0002811795f/M_PI),
194 Q30(0.0031622672f/M_PI), Q30(0.0029630491f/M_PI), Q30(0.0026600463f/M_PI), Q30(0.0019002859f/M_PI), Q30(0.0011625893f/M_PI), Q30(0.0001581155f/M_PI)
195 };
196
197 static const int gamma_tab[] =
198 {
199 Q30(0.0000000000f/M_PI), Q30(0.0195873566f/M_PI), Q30(0.0303316917f/M_PI), Q30(0.0448668823f/M_PI), Q30(0.0522258915f/M_PI), Q30(0.0561044961f/M_PI),
200 Q30(0.0000000000f/M_PI), Q30(0.0433459543f/M_PI), Q30(0.0672172382f/M_PI), Q30(0.0997167900f/M_PI), Q30(0.1162951663f/M_PI), Q30(0.1250736862f/M_PI),
201 Q30(0.0000000000f/M_PI), Q30(0.0672341362f/M_PI), Q30(0.1045235619f/M_PI), Q30(0.1558904350f/M_PI), Q30(0.1824723780f/M_PI), Q30(0.1966800541f/M_PI),
202 Q30(0.0000000000f/M_PI), Q30(0.1011129096f/M_PI), Q30(0.1580764502f/M_PI), Q30(0.2387557179f/M_PI), Q30(0.2820728719f/M_PI), Q30(0.3058380187f/M_PI),
203 Q30(0.0000000000f/M_PI), Q30(0.1315985769f/M_PI), Q30(0.2072522491f/M_PI), Q30(0.3188187480f/M_PI), Q30(0.3825501204f/M_PI), Q30(0.4193951190f/M_PI),
204 Q30(0.0000000000f/M_PI), Q30(0.1603866369f/M_PI), Q30(0.2549437582f/M_PI), Q30(0.4029446840f/M_PI), Q30(0.4980689585f/M_PI), Q30(0.5615641475f/M_PI),
205 Q30(0.0000000000f/M_PI), Q30(0.1736015975f/M_PI), Q30(0.2773745656f/M_PI), Q30(0.4461984038f/M_PI), Q30(0.5666890144f/M_PI), Q30(0.6686112881f/M_PI),
206 Q30(0.0000000000f/M_PI), Q30(0.1784276664f/M_PI), Q30(0.2856673002f/M_PI), Q30(0.4630723596f/M_PI), Q30(0.5971632004f/M_PI), Q30(0.7603877187f/M_PI),
207 Q30(0.0000000000f/M_PI), Q30(0.1736015975f/M_PI), Q30(0.2773745656f/M_PI), Q30(0.4461984038f/M_PI), Q30(0.5666890144f/M_PI), Q30(0.6686112881f/M_PI),
208 Q30(0.0000000000f/M_PI), Q30(0.1603866369f/M_PI), Q30(0.2549437582f/M_PI), Q30(0.4029446840f/M_PI), Q30(0.4980689585f/M_PI), Q30(0.5615641475f/M_PI),
209 Q30(0.0000000000f/M_PI), Q30(0.1315985769f/M_PI), Q30(0.2072522491f/M_PI), Q30(0.3188187480f/M_PI), Q30(0.3825501204f/M_PI), Q30(0.4193951190f/M_PI),
210 Q30(0.0000000000f/M_PI), Q30(0.1011129096f/M_PI), Q30(0.1580764502f/M_PI), Q30(0.2387557179f/M_PI), Q30(0.2820728719f/M_PI), Q30(0.3058380187f/M_PI),
211 Q30(0.0000000000f/M_PI), Q30(0.0672341362f/M_PI), Q30(0.1045235619f/M_PI), Q30(0.1558904350f/M_PI), Q30(0.1824723780f/M_PI), Q30(0.1966800541f/M_PI),
212 Q30(0.0000000000f/M_PI), Q30(0.0433459543f/M_PI), Q30(0.0672172382f/M_PI), Q30(0.0997167900f/M_PI), Q30(0.1162951663f/M_PI), Q30(0.1250736862f/M_PI),
213 Q30(0.0000000000f/M_PI), Q30(0.0195873566f/M_PI), Q30(0.0303316917f/M_PI), Q30(0.0448668823f/M_PI), Q30(0.0522258915f/M_PI), Q30(0.0561044961f/M_PI),
214 Q30(0.0000000000f/M_PI), Q30(0.0011053939f/M_PI), Q30(0.0017089852f/M_PI), Q30(0.0025254129f/M_PI), Q30(0.0029398468f/M_PI), Q30(0.0031597170f/M_PI),
215 Q30(0.0000000000f/M_PI), Q30(0.0019607407f/M_PI), Q30(0.0030395309f/M_PI), Q30(0.0044951206f/M_PI), Q30(0.0052305623f/M_PI), Q30(0.0056152637f/M_PI),
216 Q30(0.0000000000f/M_PI), Q30(0.0034913034f/M_PI), Q30(0.0054070661f/M_PI), Q30(0.0079917293f/M_PI), Q30(0.0092999367f/M_PI), Q30(0.0099875759f/M_PI),
217 Q30(0.0000000000f/M_PI), Q30(0.0062100487f/M_PI), Q30(0.0096135242f/M_PI), Q30(0.0142110568f/M_PI), Q30(0.0165348612f/M_PI), Q30(0.0177587029f/M_PI),
218 Q30(0.0000000000f/M_PI), Q30(0.0110366223f/M_PI), Q30(0.0170863140f/M_PI), Q30(0.0252620988f/M_PI), Q30(0.0293955617f/M_PI), Q30(0.0315726399f/M_PI),
219 Q30(0.0000000000f/M_PI), Q30(0.0195873566f/M_PI), Q30(0.0303316917f/M_PI), Q30(0.0448668823f/M_PI), Q30(0.0522258915f/M_PI), Q30(0.0561044961f/M_PI),
220 Q30(0.0000000000f/M_PI), Q30(0.0275881495f/M_PI), Q30(0.0427365713f/M_PI), Q30(0.0632618815f/M_PI), Q30(0.0736731067f/M_PI), Q30(0.0791663304f/M_PI),
221 Q30(0.0000000000f/M_PI), Q30(0.0387469754f/M_PI), Q30(0.0600636788f/M_PI), Q30(0.0890387669f/M_PI), Q30(0.1037906483f/M_PI), Q30(0.1115923747f/M_PI),
222 Q30(0.0000000000f/M_PI), Q30(0.0541138873f/M_PI), Q30(0.0839984417f/M_PI), Q30(0.1248718798f/M_PI), Q30(0.1458375156f/M_PI), Q30(0.1569785923f/M_PI),
223 Q30(0.0000000000f/M_PI), Q30(0.0747506917f/M_PI), Q30(0.1163287833f/M_PI), Q30(0.1738867164f/M_PI), Q30(0.2038587779f/M_PI), Q30(0.2199459076f/M_PI),
224 Q30(0.0000000000f/M_PI), Q30(0.1011129096f/M_PI), Q30(0.1580764502f/M_PI), Q30(0.2387557179f/M_PI), Q30(0.2820728719f/M_PI), Q30(0.3058380187f/M_PI),
225 Q30(0.0000000000f/M_PI), Q30(0.1212290376f/M_PI), Q30(0.1903949380f/M_PI), Q30(0.2907958031f/M_PI), Q30(0.3466993868f/M_PI), Q30(0.3782821596f/M_PI),
226 Q30(0.0000000000f/M_PI), Q30(0.1418247074f/M_PI), Q30(0.2240308374f/M_PI), Q30(0.3474813402f/M_PI), Q30(0.4202919006f/M_PI), Q30(0.4637607038f/M_PI),
227 Q30(0.0000000000f/M_PI), Q30(0.1603866369f/M_PI), Q30(0.2549437582f/M_PI), Q30(0.4029446840f/M_PI), Q30(0.4980689585f/M_PI), Q30(0.5615641475f/M_PI),
228 Q30(0.0000000000f/M_PI), Q30(0.1736015975f/M_PI), Q30(0.2773745656f/M_PI), Q30(0.4461984038f/M_PI), Q30(0.5666890144f/M_PI), Q30(0.6686112881f/M_PI),
229 Q30(0.0000000000f/M_PI), Q30(0.1784276664f/M_PI), Q30(0.2856673002f/M_PI), Q30(0.4630723596f/M_PI), Q30(0.5971632004f/M_PI), Q30(0.7603877187f/M_PI),
230 Q30(0.0000000000f/M_PI), Q30(0.1736015975f/M_PI), Q30(0.2773745656f/M_PI), Q30(0.4461984038f/M_PI), Q30(0.5666890144f/M_PI), Q30(0.6686112881f/M_PI),
231 Q30(0.0000000000f/M_PI), Q30(0.1603866369f/M_PI), Q30(0.2549437582f/M_PI), Q30(0.4029446840f/M_PI), Q30(0.4980689585f/M_PI), Q30(0.5615641475f/M_PI),
232 Q30(0.0000000000f/M_PI), Q30(0.1418247074f/M_PI), Q30(0.2240308374f/M_PI), Q30(0.3474813402f/M_PI), Q30(0.4202919006f/M_PI), Q30(0.4637607038f/M_PI),
233 Q30(0.0000000000f/M_PI), Q30(0.1212290376f/M_PI), Q30(0.1903949380f/M_PI), Q30(0.2907958031f/M_PI), Q30(0.3466993868f/M_PI), Q30(0.3782821596f/M_PI),
234 Q30(0.0000000000f/M_PI), Q30(0.1011129096f/M_PI), Q30(0.1580764502f/M_PI), Q30(0.2387557179f/M_PI), Q30(0.2820728719f/M_PI), Q30(0.3058380187f/M_PI),
235 Q30(0.0000000000f/M_PI), Q30(0.0747506917f/M_PI), Q30(0.1163287833f/M_PI), Q30(0.1738867164f/M_PI), Q30(0.2038587779f/M_PI), Q30(0.2199459076f/M_PI),
236 Q30(0.0000000000f/M_PI), Q30(0.0541138873f/M_PI), Q30(0.0839984417f/M_PI), Q30(0.1248718798f/M_PI), Q30(0.1458375156f/M_PI), Q30(0.1569785923f/M_PI),
237 Q30(0.0000000000f/M_PI), Q30(0.0387469754f/M_PI), Q30(0.0600636788f/M_PI), Q30(0.0890387669f/M_PI), Q30(0.1037906483f/M_PI), Q30(0.1115923747f/M_PI),
238 Q30(0.0000000000f/M_PI), Q30(0.0275881495f/M_PI), Q30(0.0427365713f/M_PI), Q30(0.0632618815f/M_PI), Q30(0.0736731067f/M_PI), Q30(0.0791663304f/M_PI),
239 Q30(0.0000000000f/M_PI), Q30(0.0195873566f/M_PI), Q30(0.0303316917f/M_PI), Q30(0.0448668823f/M_PI), Q30(0.0522258915f/M_PI), Q30(0.0561044961f/M_PI),
240 Q30(0.0000000000f/M_PI), Q30(0.0110366223f/M_PI), Q30(0.0170863140f/M_PI), Q30(0.0252620988f/M_PI), Q30(0.0293955617f/M_PI), Q30(0.0315726399f/M_PI),
241 Q30(0.0000000000f/M_PI), Q30(0.0062100487f/M_PI), Q30(0.0096135242f/M_PI), Q30(0.0142110568f/M_PI), Q30(0.0165348612f/M_PI), Q30(0.0177587029f/M_PI),
242 Q30(0.0000000000f/M_PI), Q30(0.0034913034f/M_PI), Q30(0.0054070661f/M_PI), Q30(0.0079917293f/M_PI), Q30(0.0092999367f/M_PI), Q30(0.0099875759f/M_PI),
243 Q30(0.0000000000f/M_PI), Q30(0.0019607407f/M_PI), Q30(0.0030395309f/M_PI), Q30(0.0044951206f/M_PI), Q30(0.0052305623f/M_PI), Q30(0.0056152637f/M_PI),
244 Q30(0.0000000000f/M_PI), Q30(0.0011053939f/M_PI), Q30(0.0017089852f/M_PI), Q30(0.0025254129f/M_PI), Q30(0.0029398468f/M_PI), Q30(0.0031597170f/M_PI)
245 };
246
247 static const int iid_par_dequant_c1[] = {
248 //iid_par_dequant_default
249 Q30(1.41198278375959f), Q30(1.40313815268360f), Q30(1.38687670404960f), Q30(1.34839972492648f),
250 Q30(1.29124937110028f), Q30(1.19603741667993f), Q30(1.10737240362323f), Q30(1),
251 Q30(0.87961716655242f), Q30(0.75464859232732f), Q30(0.57677990744575f), Q30(0.42640143271122f),
252 Q30(0.27671828230984f), Q30(0.17664462766713f), Q30(0.07940162697653f),
253 //iid_par_dequant_fine
254 Q30(1.41420649135832f), Q30(1.41419120222364f), Q30(1.41414285699784f), Q30(1.41399000859438f),
255 Q30(1.41350698548044f), Q30(1.41198278375959f), Q30(1.40977302262355f), Q30(1.40539479488545f),
256 Q30(1.39677960498402f), Q30(1.38005309967827f), Q30(1.34839972492648f), Q30(1.31392017367631f),
257 Q30(1.26431008149654f), Q30(1.19603741667993f), Q30(1.10737240362323f), Q30(1),
258 Q30(0.87961716655242f), Q30(0.75464859232732f), Q30(0.63365607219232f), Q30(0.52308104267543f),
259 Q30(0.42640143271122f), Q30(0.30895540465965f), Q30(0.22137464873077f), Q30(0.15768788954414f),
260 Q30(0.11198225164225f), Q30(0.07940162697653f), Q30(0.04469901562677f), Q30(0.02514469318284f),
261 Q30(0.01414142856998f), Q30(0.00795258154731f), Q30(0.00447211359449f),
262 };
263
264 static const int acos_icc_invq[] = {
265 Q31(0), Q31(0.178427635f/M_PI), Q31(0.28566733f/M_PI), Q31(0.46307236f/M_PI), Q31(0.59716315f/M_PI), Q31(0.78539816f/M_PI), Q31(1.10030855f/M_PI), Q31(1.57079633f/M_PI)
266 };
267 int iid, icc;
268
269 int k, m;
270 static const int8_t f_center_20[] = {
271 -3, -1, 1, 3, 5, 7, 10, 14, 18, 22,
272 };
273 static const int32_t f_center_34[] = {
274 Q31( 2/768.0),Q31( 6/768.0),Q31(10/768.0),Q31(14/768.0),Q31( 18/768.0),Q31( 22/768.0),Q31( 26/768.0),Q31(30/768.0),
275 Q31( 34/768.0),Q31(-10/768.0),Q31(-6/768.0),Q31(-2/768.0),Q31( 51/768.0),Q31( 57/768.0),Q31( 15/768.0),Q31(21/768.0),
276 Q31( 27/768.0),Q31( 33/768.0),Q31(39/768.0),Q31(45/768.0),Q31( 54/768.0),Q31( 66/768.0),Q31( 78/768.0),Q31(42/768.0),
277 Q31(102/768.0),Q31( 66/768.0),Q31(78/768.0),Q31(90/768.0),Q31(102/768.0),Q31(114/768.0),Q31(126/768.0),Q31(90/768.0)
278 };
279 static const int fractional_delay_links[] = { Q31(0.43f), Q31(0.75f), Q31(0.347f) };
280 18 const int fractional_delay_gain = Q31(0.39f);
281
282
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 162 for (pd0 = 0; pd0 < 8; pd0++) {
283 144 int pd0_re = (ipdopd_cos[pd0]+2)>>2;
284 144 int pd0_im = (ipdopd_sin[pd0]+2)>>2;
285
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 1296 for (pd1 = 0; pd1 < 8; pd1++) {
286 1152 int pd1_re = ipdopd_cos[pd1] >> 1;
287 1152 int pd1_im = ipdopd_sin[pd1] >> 1;
288
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 10368 for (pd2 = 0; pd2 < 8; pd2++) {
289 int shift, round;
290 9216 int pd2_re = ipdopd_cos[pd2];
291 9216 int pd2_im = ipdopd_sin[pd2];
292 9216 int re_smooth = pd0_re + pd1_re + pd2_re;
293 9216 int im_smooth = pd0_im + pd1_im + pd2_im;
294
295 9216 SoftFloat pd_mag = av_int2sf(((ipdopd_cos[(pd0-pd1)&7]+8)>>4) + ((ipdopd_cos[(pd0-pd2)&7]+4)>>3) +
296 9216 ((ipdopd_cos[(pd1-pd2)&7]+2)>>2) + 0x15000000, 28);
297 9216 pd_mag = av_div_sf(FLOAT_1, av_sqrt_sf(pd_mag));
298 9216 shift = 30 - pd_mag.exp;
299 9216 round = 1 << (shift-1);
300 9216 pd_re_smooth[pd0*64+pd1*8+pd2] = (int)(((int64_t)re_smooth * pd_mag.mant + round) >> shift);
301 9216 pd_im_smooth[pd0*64+pd1*8+pd2] = (int)(((int64_t)im_smooth * pd_mag.mant + round) >> shift);
302 }
303 }
304 }
305
306 18 idx = 0;
307
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 846 for (iid = 0; iid < 46; iid++) {
308 int c1, c2;
309
310 828 c1 = iid_par_dequant_c1[iid];
311
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 828 if (iid < 15)
312 270 c2 = iid_par_dequant_c1[14-iid];
313 else
314 558 c2 = iid_par_dequant_c1[60-iid];
315
316
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 7452 for (icc = 0; icc < 8; icc++) {
317 /*if (PS_BASELINE || ps->icc_mode < 3)*/{
318 int alpha, beta;
319 int ca, sa, cb, sb;
320
321 6624 alpha = acos_icc_invq[icc];
322 6624 beta = (int)(((int64_t)alpha * 1518500250 + 0x40000000) >> 31);
323 6624 alpha >>= 1;
324 6624 beta = (int)(((int64_t)beta * (c1 - c2) + 0x40000000) >> 31);
325 6624 av_sincos_sf(beta + alpha, &sa, &ca);
326 6624 av_sincos_sf(beta - alpha, &sb, &cb);
327
328 6624 HA[iid][icc][0] = (int)(((int64_t)c2 * ca + 0x20000000) >> 30);
329 6624 HA[iid][icc][1] = (int)(((int64_t)c1 * cb + 0x20000000) >> 30);
330 6624 HA[iid][icc][2] = (int)(((int64_t)c2 * sa + 0x20000000) >> 30);
331 6624 HA[iid][icc][3] = (int)(((int64_t)c1 * sb + 0x20000000) >> 30);
332 } /* else */ {
333 int alpha_int, gamma_int;
334 int alpha_c_int, alpha_s_int, gamma_c_int, gamma_s_int;
335
336 6624 alpha_int = alpha_tab[idx];
337 6624 gamma_int = gamma_tab[idx];
338
339 6624 av_sincos_sf(alpha_int, &alpha_s_int, &alpha_c_int);
340 6624 av_sincos_sf(gamma_int, &gamma_s_int, &gamma_c_int);
341
342 6624 alpha_c_int = (int)(((int64_t)alpha_c_int * 1518500250 + 0x20000000) >> 30);
343 6624 alpha_s_int = (int)(((int64_t)alpha_s_int * 1518500250 + 0x20000000) >> 30);
344
345 6624 HB[iid][icc][0] = (int)(((int64_t)alpha_c_int * gamma_c_int + 0x20000000) >> 30);
346 6624 HB[iid][icc][1] = (int)(((int64_t)alpha_s_int * gamma_c_int + 0x20000000) >> 30);
347 6624 HB[iid][icc][2] = -(int)(((int64_t)alpha_s_int * gamma_s_int + 0x20000000) >> 30);
348 6624 HB[iid][icc][3] = (int)(((int64_t)alpha_c_int * gamma_s_int + 0x20000000) >> 30);
349 }
350
351
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 6624 if (icc < 5 || icc > 6)
352 4968 idx++;
353 }
354 }
355
356
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 558 for (k = 0; k < NR_ALLPASS_BANDS20; k++) {
357 int theta;
358 int64_t f_center;
359 int c, s;
360
361
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 540 if (k < FF_ARRAY_ELEMS(f_center_20))
362 180 f_center = f_center_20[k];
363 else
364 360 f_center = (k << 3) - 52;
365
366
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 2160 for (m = 0; m < PS_AP_LINKS; m++) {
367 1620 theta = (int)(((int64_t)fractional_delay_links[m] * f_center + 8) >> 4);
368 1620 av_sincos_sf(-theta, &s, &c);
369 1620 Q_fract_allpass[0][k][m][0] = c;
370 1620 Q_fract_allpass[0][k][m][1] = s;
371 }
372
373 540 theta = (int)(((int64_t)fractional_delay_gain * f_center + 8) >> 4);
374 540 av_sincos_sf(-theta, &s, &c);
375 540 phi_fract[0][k][0] = c;
376 540 phi_fract[0][k][1] = s;
377 }
378
379
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 918 for (k = 0; k < NR_ALLPASS_BANDS34; k++) {
380 int theta, f_center;
381 int c, s;
382
383
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 900 if (k < FF_ARRAY_ELEMS(f_center_34))
384 576 f_center = f_center_34[k];
385 else
386 324 f_center = ((int64_t)k << 26) - (53 << 25);
387
388
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 3600 for (m = 0; m < PS_AP_LINKS; m++) {
389 2700 theta = (int)(((int64_t)fractional_delay_links[m] * f_center + 0x10000000) >> 27);
390 2700 av_sincos_sf(-theta, &s, &c);
391 2700 Q_fract_allpass[1][k][m][0] = c;
392 2700 Q_fract_allpass[1][k][m][1] = s;
393 }
394
395 900 theta = (int)(((int64_t)fractional_delay_gain * f_center + 0x10000000) >> 27);
396 900 av_sincos_sf(-theta, &s, &c);
397 900 phi_fract[1][k][0] = c;
398 900 phi_fract[1][k][1] = s;
399 }
400
401 18 make_filters_from_proto(f20_0_8, g0_Q8, 8);
402 18 make_filters_from_proto(f34_0_12, g0_Q12, 12);
403 18 make_filters_from_proto(f34_1_8, g1_Q8, 8);
404 18 make_filters_from_proto(f34_2_4, g2_Q4, 4);
405 18 }
406 #endif /* CONFIG_HARDCODED_TABLES */
407
408 #endif /* AVCODEC_AACPS_FIXED_TABLEGEN_H */
409