/proc/self/cwd/libfaad/sbr_e_nf.c
Line | Count | Source |
1 | | /* |
2 | | ** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding |
3 | | ** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com |
4 | | ** |
5 | | ** This program is free software; you can redistribute it and/or modify |
6 | | ** it under the terms of the GNU General Public License as published by |
7 | | ** the Free Software Foundation; either version 2 of the License, or |
8 | | ** (at your option) any later version. |
9 | | ** |
10 | | ** This program is distributed in the hope that it will be useful, |
11 | | ** but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | | ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 | | ** GNU General Public License for more details. |
14 | | ** |
15 | | ** You should have received a copy of the GNU General Public License |
16 | | ** along with this program; if not, write to the Free Software |
17 | | ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
18 | | ** |
19 | | ** Any non-GPL usage of this software or parts of this software is strictly |
20 | | ** forbidden. |
21 | | ** |
22 | | ** The "appropriate copyright message" mentioned in section 2c of the GPLv2 |
23 | | ** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" |
24 | | ** |
25 | | ** Commercial non-GPL licensing of this software is possible. |
26 | | ** For more info contact Nero AG through Mpeg4AAClicense@nero.com. |
27 | | ** |
28 | | ** $Id: sbr_e_nf.c,v 1.22 2008/03/23 23:03:29 menno Exp $ |
29 | | **/ |
30 | | |
31 | | #include "common.h" |
32 | | #include "structs.h" |
33 | | |
34 | | #ifdef SBR_DEC |
35 | | |
36 | | #include <stdlib.h> |
37 | | |
38 | | #include "sbr_syntax.h" |
39 | | #include "sbr_e_nf.h" |
40 | | |
41 | | void extract_envelope_data(sbr_info *sbr, uint8_t ch) |
42 | 98.1k | { |
43 | 98.1k | uint8_t l, k; |
44 | | |
45 | 321k | for (l = 0; l < sbr->L_E[ch]; l++) |
46 | 222k | { |
47 | 222k | if (sbr->bs_df_env[ch][l] == 0) |
48 | 149k | { |
49 | 1.26M | for (k = 1; k < sbr->n[sbr->f[ch][l]]; k++) |
50 | 1.11M | { |
51 | 1.11M | sbr->E[ch][k][l] = sbr->E[ch][k - 1][l] + sbr->E[ch][k][l]; |
52 | 1.11M | if (sbr->E[ch][k][l] < 0) |
53 | 33.8k | sbr->E[ch][k][l] = 0; |
54 | 1.11M | } |
55 | | |
56 | 149k | } else { /* bs_df_env == 1 */ |
57 | | |
58 | 73.8k | uint8_t g = (l == 0) ? sbr->f_prev[ch] : sbr->f[ch][l-1]; |
59 | 73.8k | int16_t E_prev; |
60 | | |
61 | 73.8k | if (sbr->f[ch][l] == g) |
62 | 46.4k | { |
63 | 426k | for (k = 0; k < sbr->n[sbr->f[ch][l]]; k++) |
64 | 380k | { |
65 | 380k | if (l == 0) |
66 | 100k | E_prev = sbr->E_prev[ch][k]; |
67 | 279k | else |
68 | 279k | E_prev = sbr->E[ch][k][l - 1]; |
69 | | |
70 | 380k | sbr->E[ch][k][l] = E_prev + sbr->E[ch][k][l]; |
71 | 380k | } |
72 | | |
73 | 46.4k | } else if ((g == 1) && (sbr->f[ch][l] == 0)) { |
74 | 8.56k | uint8_t i; |
75 | | |
76 | 60.1k | for (k = 0; k < sbr->n[sbr->f[ch][l]]; k++) |
77 | 51.6k | { |
78 | 1.17M | for (i = 0; i < sbr->N_high; i++) |
79 | 1.12M | { |
80 | 1.12M | if (sbr->f_table_res[HI_RES][i] == sbr->f_table_res[LO_RES][k]) |
81 | 51.6k | { |
82 | 51.6k | if (l == 0) |
83 | 495 | E_prev = sbr->E_prev[ch][i]; |
84 | 51.1k | else |
85 | 51.1k | E_prev = sbr->E[ch][i][l - 1]; |
86 | | |
87 | 51.6k | sbr->E[ch][k][l] = E_prev + sbr->E[ch][k][l]; |
88 | 51.6k | } |
89 | 1.12M | } |
90 | 51.6k | } |
91 | | |
92 | 18.8k | } else if ((g == 0) && (sbr->f[ch][l] == 1)) { |
93 | 18.8k | uint8_t i; |
94 | | |
95 | 216k | for (k = 0; k < sbr->n[sbr->f[ch][l]]; k++) |
96 | 197k | { |
97 | 2.04M | for (i = 0; i < sbr->N_low; i++) |
98 | 1.84M | { |
99 | 1.84M | if ((sbr->f_table_res[LO_RES][i] <= sbr->f_table_res[HI_RES][k]) && |
100 | 1.84M | (sbr->f_table_res[HI_RES][k] < sbr->f_table_res[LO_RES][i + 1])) |
101 | 197k | { |
102 | 197k | if (l == 0) |
103 | 132k | E_prev = sbr->E_prev[ch][i]; |
104 | 65.1k | else |
105 | 65.1k | E_prev = sbr->E[ch][i][l - 1]; |
106 | | |
107 | 197k | sbr->E[ch][k][l] = E_prev + sbr->E[ch][k][l]; |
108 | 197k | } |
109 | 1.84M | } |
110 | 197k | } |
111 | 18.8k | } |
112 | 73.8k | } |
113 | 222k | } |
114 | 98.1k | } |
115 | | |
116 | | void extract_noise_floor_data(sbr_info *sbr, uint8_t ch) |
117 | 98.1k | { |
118 | 98.1k | uint8_t l, k; |
119 | | |
120 | 245k | for (l = 0; l < sbr->L_Q[ch]; l++) |
121 | 147k | { |
122 | 147k | if (sbr->bs_df_noise[ch][l] == 0) |
123 | 98.7k | { |
124 | 183k | for (k = 1; k < sbr->N_Q; k++) |
125 | 84.5k | { |
126 | 84.5k | sbr->Q[ch][k][l] = sbr->Q[ch][k][l] + sbr->Q[ch][k-1][l]; |
127 | 84.5k | } |
128 | 98.7k | } else { |
129 | 48.8k | if (l == 0) |
130 | 32.5k | { |
131 | 97.2k | for (k = 0; k < sbr->N_Q; k++) |
132 | 64.7k | { |
133 | 64.7k | sbr->Q[ch][k][l] = sbr->Q_prev[ch][k] + sbr->Q[ch][k][0]; |
134 | 64.7k | } |
135 | 32.5k | } else { |
136 | 46.7k | for (k = 0; k < sbr->N_Q; k++) |
137 | 30.4k | { |
138 | 30.4k | sbr->Q[ch][k][l] = sbr->Q[ch][k][l - 1] + sbr->Q[ch][k][l]; |
139 | 30.4k | } |
140 | 16.3k | } |
141 | 48.8k | } |
142 | 147k | } |
143 | 98.1k | } |
144 | | |
145 | | #ifndef FIXED_POINT |
146 | | |
147 | | /* table for Q_div values when no coupling */ |
148 | | static const real_t Q_div_tab[31] = { |
149 | | FRAC_CONST(0.0153846), FRAC_CONST(0.030303), |
150 | | FRAC_CONST(0.0588235), FRAC_CONST(0.111111), |
151 | | FRAC_CONST(0.2), FRAC_CONST(0.333333), |
152 | | FRAC_CONST(0.5), FRAC_CONST(0.666667), |
153 | | FRAC_CONST(0.8), FRAC_CONST(0.888889), |
154 | | FRAC_CONST(0.941176), FRAC_CONST(0.969697), |
155 | | FRAC_CONST(0.984615), FRAC_CONST(0.992248), |
156 | | FRAC_CONST(0.996109), FRAC_CONST(0.998051), |
157 | | FRAC_CONST(0.999024), FRAC_CONST(0.999512), |
158 | | FRAC_CONST(0.999756), FRAC_CONST(0.999878), |
159 | | FRAC_CONST(0.999939), FRAC_CONST(0.999969), |
160 | | FRAC_CONST(0.999985), FRAC_CONST(0.999992), |
161 | | FRAC_CONST(0.999996), FRAC_CONST(0.999998), |
162 | | FRAC_CONST(0.999999), FRAC_CONST(1), |
163 | | FRAC_CONST(1), FRAC_CONST(1), |
164 | | FRAC_CONST(1) |
165 | | }; |
166 | | |
167 | | static const real_t Q_div_tab_left[31][13] = { |
168 | | { FRAC_CONST(0.969704), FRAC_CONST(0.888985), FRAC_CONST(0.667532), FRAC_CONST(0.336788), FRAC_CONST(0.117241), FRAC_CONST(0.037594), FRAC_CONST(0.0153846), FRAC_CONST(0.00967118), FRAC_CONST(0.00823245), FRAC_CONST(0.00787211), FRAC_CONST(0.00778198), FRAC_CONST(0.00775945), FRAC_CONST(0.00775382) }, |
169 | | { FRAC_CONST(0.984619), FRAC_CONST(0.94123), FRAC_CONST(0.800623), FRAC_CONST(0.503876), FRAC_CONST(0.209877), FRAC_CONST(0.0724638), FRAC_CONST(0.030303), FRAC_CONST(0.0191571), FRAC_CONST(0.0163305), FRAC_CONST(0.0156212), FRAC_CONST(0.0154438), FRAC_CONST(0.0153994), FRAC_CONST(0.0153883) }, |
170 | | { FRAC_CONST(0.99225), FRAC_CONST(0.969726), FRAC_CONST(0.889273), FRAC_CONST(0.670103), FRAC_CONST(0.346939), FRAC_CONST(0.135135), FRAC_CONST(0.0588235), FRAC_CONST(0.037594), FRAC_CONST(0.0321361), FRAC_CONST(0.0307619), FRAC_CONST(0.0304178), FRAC_CONST(0.0303317), FRAC_CONST(0.0303102) }, |
171 | | { FRAC_CONST(0.99611), FRAC_CONST(0.98463), FRAC_CONST(0.941392), FRAC_CONST(0.802469), FRAC_CONST(0.515152), FRAC_CONST(0.238095), FRAC_CONST(0.111111), FRAC_CONST(0.0724638), FRAC_CONST(0.0622711), FRAC_CONST(0.0596878), FRAC_CONST(0.0590397), FRAC_CONST(0.0588776), FRAC_CONST(0.058837) }, |
172 | | { FRAC_CONST(0.998051), FRAC_CONST(0.992256), FRAC_CONST(0.969811), FRAC_CONST(0.890411), FRAC_CONST(0.68), FRAC_CONST(0.384615), FRAC_CONST(0.2), FRAC_CONST(0.135135), FRAC_CONST(0.117241), FRAC_CONST(0.112652), FRAC_CONST(0.111497), FRAC_CONST(0.111208), FRAC_CONST(0.111135) }, |
173 | | { FRAC_CONST(0.999025), FRAC_CONST(0.996113), FRAC_CONST(0.984674), FRAC_CONST(0.942029), FRAC_CONST(0.809524), FRAC_CONST(0.555556), FRAC_CONST(0.333333), FRAC_CONST(0.238095), FRAC_CONST(0.209877), FRAC_CONST(0.202492), FRAC_CONST(0.200625), FRAC_CONST(0.200156), FRAC_CONST(0.200039) }, |
174 | | { FRAC_CONST(0.999512), FRAC_CONST(0.998053), FRAC_CONST(0.992278), FRAC_CONST(0.970149), FRAC_CONST(0.894737), FRAC_CONST(0.714286), FRAC_CONST(0.5), FRAC_CONST(0.384615), FRAC_CONST(0.346939), FRAC_CONST(0.336788), FRAC_CONST(0.3342), FRAC_CONST(0.33355), FRAC_CONST(0.333388) }, |
175 | | { FRAC_CONST(0.999756), FRAC_CONST(0.999025), FRAC_CONST(0.996124), FRAC_CONST(0.984848), FRAC_CONST(0.944444), FRAC_CONST(0.833333), FRAC_CONST(0.666667), FRAC_CONST(0.555556), FRAC_CONST(0.515152), FRAC_CONST(0.503876), FRAC_CONST(0.500975), FRAC_CONST(0.500244), FRAC_CONST(0.500061) }, |
176 | | { FRAC_CONST(0.999878), FRAC_CONST(0.999512), FRAC_CONST(0.998058), FRAC_CONST(0.992366), FRAC_CONST(0.971429), FRAC_CONST(0.909091), FRAC_CONST(0.8), FRAC_CONST(0.714286), FRAC_CONST(0.68), FRAC_CONST(0.670103), FRAC_CONST(0.667532), FRAC_CONST(0.666884), FRAC_CONST(0.666721) }, |
177 | | { FRAC_CONST(0.999939), FRAC_CONST(0.999756), FRAC_CONST(0.999028), FRAC_CONST(0.996169), FRAC_CONST(0.985507), FRAC_CONST(0.952381), FRAC_CONST(0.888889), FRAC_CONST(0.833333), FRAC_CONST(0.809524), FRAC_CONST(0.802469), FRAC_CONST(0.800623), FRAC_CONST(0.800156), FRAC_CONST(0.800039) }, |
178 | | { FRAC_CONST(0.999969), FRAC_CONST(0.999878), FRAC_CONST(0.999514), FRAC_CONST(0.998081), FRAC_CONST(0.992701), FRAC_CONST(0.97561), FRAC_CONST(0.941176), FRAC_CONST(0.909091), FRAC_CONST(0.894737), FRAC_CONST(0.890411), FRAC_CONST(0.889273), FRAC_CONST(0.888985), FRAC_CONST(0.888913) }, |
179 | | { FRAC_CONST(0.999985), FRAC_CONST(0.999939), FRAC_CONST(0.999757), FRAC_CONST(0.999039), FRAC_CONST(0.996337), FRAC_CONST(0.987654), FRAC_CONST(0.969697), FRAC_CONST(0.952381), FRAC_CONST(0.944444), FRAC_CONST(0.942029), FRAC_CONST(0.941392), FRAC_CONST(0.94123), FRAC_CONST(0.94119) }, |
180 | | { FRAC_CONST(0.999992), FRAC_CONST(0.99997), FRAC_CONST(0.999878), FRAC_CONST(0.999519), FRAC_CONST(0.998165), FRAC_CONST(0.993789), FRAC_CONST(0.984615), FRAC_CONST(0.97561), FRAC_CONST(0.971429), FRAC_CONST(0.970149), FRAC_CONST(0.969811), FRAC_CONST(0.969726), FRAC_CONST(0.969704) }, |
181 | | { FRAC_CONST(0.999996), FRAC_CONST(0.999985), FRAC_CONST(0.999939), FRAC_CONST(0.99976), FRAC_CONST(0.999082), FRAC_CONST(0.996885), FRAC_CONST(0.992248), FRAC_CONST(0.987654), FRAC_CONST(0.985507), FRAC_CONST(0.984848), FRAC_CONST(0.984674), FRAC_CONST(0.98463), FRAC_CONST(0.984619) }, |
182 | | { FRAC_CONST(0.999998), FRAC_CONST(0.999992), FRAC_CONST(0.99997), FRAC_CONST(0.99988), FRAC_CONST(0.999541), FRAC_CONST(0.99844), FRAC_CONST(0.996109), FRAC_CONST(0.993789), FRAC_CONST(0.992701), FRAC_CONST(0.992366), FRAC_CONST(0.992278), FRAC_CONST(0.992256), FRAC_CONST(0.99225) }, |
183 | | { FRAC_CONST(0.999999), FRAC_CONST(0.999996), FRAC_CONST(0.999985), FRAC_CONST(0.99994), FRAC_CONST(0.99977), FRAC_CONST(0.999219), FRAC_CONST(0.998051), FRAC_CONST(0.996885), FRAC_CONST(0.996337), FRAC_CONST(0.996169), FRAC_CONST(0.996124), FRAC_CONST(0.996113), FRAC_CONST(0.99611) }, |
184 | | { FRAC_CONST(1), FRAC_CONST(0.999998), FRAC_CONST(0.999992), FRAC_CONST(0.99997), FRAC_CONST(0.999885), FRAC_CONST(0.99961), FRAC_CONST(0.999024), FRAC_CONST(0.99844), FRAC_CONST(0.998165), FRAC_CONST(0.998081), FRAC_CONST(0.998058), FRAC_CONST(0.998053), FRAC_CONST(0.998051) }, |
185 | | { FRAC_CONST(1), FRAC_CONST(0.999999), FRAC_CONST(0.999996), FRAC_CONST(0.999985), FRAC_CONST(0.999943), FRAC_CONST(0.999805), FRAC_CONST(0.999512), FRAC_CONST(0.999219), FRAC_CONST(0.999082), FRAC_CONST(0.999039), FRAC_CONST(0.999028), FRAC_CONST(0.999025), FRAC_CONST(0.999025) }, |
186 | | { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(0.999998), FRAC_CONST(0.999992), FRAC_CONST(0.999971), FRAC_CONST(0.999902), FRAC_CONST(0.999756), FRAC_CONST(0.99961), FRAC_CONST(0.999541), FRAC_CONST(0.999519), FRAC_CONST(0.999514), FRAC_CONST(0.999512), FRAC_CONST(0.999512) }, |
187 | | { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(0.999999), FRAC_CONST(0.999996), FRAC_CONST(0.999986), FRAC_CONST(0.999951), FRAC_CONST(0.999878), FRAC_CONST(0.999805), FRAC_CONST(0.99977), FRAC_CONST(0.99976), FRAC_CONST(0.999757), FRAC_CONST(0.999756), FRAC_CONST(0.999756) }, |
188 | | { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(0.999998), FRAC_CONST(0.999993), FRAC_CONST(0.999976), FRAC_CONST(0.999939), FRAC_CONST(0.999902), FRAC_CONST(0.999885), FRAC_CONST(0.99988), FRAC_CONST(0.999878), FRAC_CONST(0.999878), FRAC_CONST(0.999878) }, |
189 | | { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(0.999999), FRAC_CONST(0.999996), FRAC_CONST(0.999988), FRAC_CONST(0.999969), FRAC_CONST(0.999951), FRAC_CONST(0.999943), FRAC_CONST(0.99994), FRAC_CONST(0.999939), FRAC_CONST(0.999939), FRAC_CONST(0.999939) }, |
190 | | { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(0.999998), FRAC_CONST(0.999994), FRAC_CONST(0.999985), FRAC_CONST(0.999976), FRAC_CONST(0.999971), FRAC_CONST(0.99997), FRAC_CONST(0.99997), FRAC_CONST(0.99997), FRAC_CONST(0.999969) }, |
191 | | { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(0.999999), FRAC_CONST(0.999997), FRAC_CONST(0.999992), FRAC_CONST(0.999988), FRAC_CONST(0.999986), FRAC_CONST(0.999985), FRAC_CONST(0.999985), FRAC_CONST(0.999985), FRAC_CONST(0.999985) }, |
192 | | { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(0.999998), FRAC_CONST(0.999996), FRAC_CONST(0.999994), FRAC_CONST(0.999993), FRAC_CONST(0.999992), FRAC_CONST(0.999992), FRAC_CONST(0.999992), FRAC_CONST(0.999992) }, |
193 | | { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(0.999999), FRAC_CONST(0.999998), FRAC_CONST(0.999997), FRAC_CONST(0.999996), FRAC_CONST(0.999996), FRAC_CONST(0.999996), FRAC_CONST(0.999996), FRAC_CONST(0.999996) }, |
194 | | { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(0.999999), FRAC_CONST(0.999998), FRAC_CONST(0.999998), FRAC_CONST(0.999998), FRAC_CONST(0.999998), FRAC_CONST(0.999998), FRAC_CONST(0.999998) }, |
195 | | { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(0.999999), FRAC_CONST(0.999999), FRAC_CONST(0.999999), FRAC_CONST(0.999999), FRAC_CONST(0.999999), FRAC_CONST(0.999999) }, |
196 | | { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) }, |
197 | | { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) }, |
198 | | { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) } |
199 | | }; |
200 | | |
201 | | static const real_t Q_div_tab_right[31][13] = { |
202 | | { FRAC_CONST(0.00775382), FRAC_CONST(0.00775945), FRAC_CONST(0.00778198), FRAC_CONST(0.00787211), FRAC_CONST(0.00823245), FRAC_CONST(0.00967118), FRAC_CONST(0.0153846), FRAC_CONST(0.037594), FRAC_CONST(0.117241), FRAC_CONST(0.336788), FRAC_CONST(0.667532), FRAC_CONST(0.888985), FRAC_CONST(0.969704) }, |
203 | | { FRAC_CONST(0.0153883), FRAC_CONST(0.0153994), FRAC_CONST(0.0154438), FRAC_CONST(0.0156212), FRAC_CONST(0.0163305), FRAC_CONST(0.0191571), FRAC_CONST(0.030303), FRAC_CONST(0.0724638), FRAC_CONST(0.209877), FRAC_CONST(0.503876), FRAC_CONST(0.800623), FRAC_CONST(0.94123), FRAC_CONST(0.984619) }, |
204 | | { FRAC_CONST(0.0303102), FRAC_CONST(0.0303317), FRAC_CONST(0.0304178), FRAC_CONST(0.0307619), FRAC_CONST(0.0321361), FRAC_CONST(0.037594), FRAC_CONST(0.0588235), FRAC_CONST(0.135135), FRAC_CONST(0.346939), FRAC_CONST(0.670103), FRAC_CONST(0.889273), FRAC_CONST(0.969726), FRAC_CONST(0.99225) }, |
205 | | { FRAC_CONST(0.058837), FRAC_CONST(0.0588776), FRAC_CONST(0.0590397), FRAC_CONST(0.0596878), FRAC_CONST(0.0622711), FRAC_CONST(0.0724638), FRAC_CONST(0.111111), FRAC_CONST(0.238095), FRAC_CONST(0.515152), FRAC_CONST(0.802469), FRAC_CONST(0.941392), FRAC_CONST(0.98463), FRAC_CONST(0.99611) }, |
206 | | { FRAC_CONST(0.111135), FRAC_CONST(0.111208), FRAC_CONST(0.111497), FRAC_CONST(0.112652), FRAC_CONST(0.117241), FRAC_CONST(0.135135), FRAC_CONST(0.2), FRAC_CONST(0.384615), FRAC_CONST(0.68), FRAC_CONST(0.890411), FRAC_CONST(0.969811), FRAC_CONST(0.992256), FRAC_CONST(0.998051) }, |
207 | | { FRAC_CONST(0.200039), FRAC_CONST(0.200156), FRAC_CONST(0.200625), FRAC_CONST(0.202492), FRAC_CONST(0.209877), FRAC_CONST(0.238095), FRAC_CONST(0.333333), FRAC_CONST(0.555556), FRAC_CONST(0.809524), FRAC_CONST(0.942029), FRAC_CONST(0.984674), FRAC_CONST(0.996113), FRAC_CONST(0.999025) }, |
208 | | { FRAC_CONST(0.333388), FRAC_CONST(0.33355), FRAC_CONST(0.3342), FRAC_CONST(0.336788), FRAC_CONST(0.346939), FRAC_CONST(0.384615), FRAC_CONST(0.5), FRAC_CONST(0.714286), FRAC_CONST(0.894737), FRAC_CONST(0.970149), FRAC_CONST(0.992278), FRAC_CONST(0.998053), FRAC_CONST(0.999512) }, |
209 | | { FRAC_CONST(0.500061), FRAC_CONST(0.500244), FRAC_CONST(0.500975), FRAC_CONST(0.503876), FRAC_CONST(0.515152), FRAC_CONST(0.555556), FRAC_CONST(0.666667), FRAC_CONST(0.833333), FRAC_CONST(0.944444), FRAC_CONST(0.984848), FRAC_CONST(0.996124), FRAC_CONST(0.999025), FRAC_CONST(0.999756) }, |
210 | | { FRAC_CONST(0.666721), FRAC_CONST(0.666884), FRAC_CONST(0.667532), FRAC_CONST(0.670103), FRAC_CONST(0.68), FRAC_CONST(0.714286), FRAC_CONST(0.8), FRAC_CONST(0.909091), FRAC_CONST(0.971429), FRAC_CONST(0.992366), FRAC_CONST(0.998058), FRAC_CONST(0.999512), FRAC_CONST(0.999878) }, |
211 | | { FRAC_CONST(0.800039), FRAC_CONST(0.800156), FRAC_CONST(0.800623), FRAC_CONST(0.802469), FRAC_CONST(0.809524), FRAC_CONST(0.833333), FRAC_CONST(0.888889), FRAC_CONST(0.952381), FRAC_CONST(0.985507), FRAC_CONST(0.996169), FRAC_CONST(0.999028), FRAC_CONST(0.999756), FRAC_CONST(0.999939) }, |
212 | | { FRAC_CONST(0.888913), FRAC_CONST(0.888985), FRAC_CONST(0.889273), FRAC_CONST(0.890411), FRAC_CONST(0.894737), FRAC_CONST(0.909091), FRAC_CONST(0.941176), FRAC_CONST(0.97561), FRAC_CONST(0.992701), FRAC_CONST(0.998081), FRAC_CONST(0.999514), FRAC_CONST(0.999878), FRAC_CONST(0.999969) }, |
213 | | { FRAC_CONST(0.94119), FRAC_CONST(0.94123), FRAC_CONST(0.941392), FRAC_CONST(0.942029), FRAC_CONST(0.944444), FRAC_CONST(0.952381), FRAC_CONST(0.969697), FRAC_CONST(0.987654), FRAC_CONST(0.996337), FRAC_CONST(0.999039), FRAC_CONST(0.999757), FRAC_CONST(0.999939), FRAC_CONST(0.999985) }, |
214 | | { FRAC_CONST(0.969704), FRAC_CONST(0.969726), FRAC_CONST(0.969811), FRAC_CONST(0.970149), FRAC_CONST(0.971429), FRAC_CONST(0.97561), FRAC_CONST(0.984615), FRAC_CONST(0.993789), FRAC_CONST(0.998165), FRAC_CONST(0.999519), FRAC_CONST(0.999878), FRAC_CONST(0.99997), FRAC_CONST(0.999992) }, |
215 | | { FRAC_CONST(0.984619), FRAC_CONST(0.98463), FRAC_CONST(0.984674), FRAC_CONST(0.984848), FRAC_CONST(0.985507), FRAC_CONST(0.987654), FRAC_CONST(0.992248), FRAC_CONST(0.996885), FRAC_CONST(0.999082), FRAC_CONST(0.99976), FRAC_CONST(0.999939), FRAC_CONST(0.999985), FRAC_CONST(0.999996) }, |
216 | | { FRAC_CONST(0.99225), FRAC_CONST(0.992256), FRAC_CONST(0.992278), FRAC_CONST(0.992366), FRAC_CONST(0.992701), FRAC_CONST(0.993789), FRAC_CONST(0.996109), FRAC_CONST(0.99844), FRAC_CONST(0.999541), FRAC_CONST(0.99988), FRAC_CONST(0.99997), FRAC_CONST(0.999992), FRAC_CONST(0.999998) }, |
217 | | { FRAC_CONST(0.99611), FRAC_CONST(0.996113), FRAC_CONST(0.996124), FRAC_CONST(0.996169), FRAC_CONST(0.996337), FRAC_CONST(0.996885), FRAC_CONST(0.998051), FRAC_CONST(0.999219), FRAC_CONST(0.99977), FRAC_CONST(0.99994), FRAC_CONST(0.999985), FRAC_CONST(0.999996), FRAC_CONST(0.999999) }, |
218 | | { FRAC_CONST(0.998051), FRAC_CONST(0.998053), FRAC_CONST(0.998058), FRAC_CONST(0.998081), FRAC_CONST(0.998165), FRAC_CONST(0.99844), FRAC_CONST(0.999024), FRAC_CONST(0.99961), FRAC_CONST(0.999885), FRAC_CONST(0.99997), FRAC_CONST(0.999992), FRAC_CONST(0.999998), FRAC_CONST(1) }, |
219 | | { FRAC_CONST(0.999025), FRAC_CONST(0.999025), FRAC_CONST(0.999028), FRAC_CONST(0.999039), FRAC_CONST(0.999082), FRAC_CONST(0.999219), FRAC_CONST(0.999512), FRAC_CONST(0.999805), FRAC_CONST(0.999943), FRAC_CONST(0.999985), FRAC_CONST(0.999996), FRAC_CONST(0.999999), FRAC_CONST(1) }, |
220 | | { FRAC_CONST(0.999512), FRAC_CONST(0.999512), FRAC_CONST(0.999514), FRAC_CONST(0.999519), FRAC_CONST(0.999541), FRAC_CONST(0.99961), FRAC_CONST(0.999756), FRAC_CONST(0.999902), FRAC_CONST(0.999971), FRAC_CONST(0.999992), FRAC_CONST(0.999998), FRAC_CONST(1), FRAC_CONST(1) }, |
221 | | { FRAC_CONST(0.999756), FRAC_CONST(0.999756), FRAC_CONST(0.999757), FRAC_CONST(0.99976), FRAC_CONST(0.99977), FRAC_CONST(0.999805), FRAC_CONST(0.999878), FRAC_CONST(0.999951), FRAC_CONST(0.999986), FRAC_CONST(0.999996), FRAC_CONST(0.999999), FRAC_CONST(1), FRAC_CONST(1) }, |
222 | | { FRAC_CONST(0.999878), FRAC_CONST(0.999878), FRAC_CONST(0.999878), FRAC_CONST(0.99988), FRAC_CONST(0.999885), FRAC_CONST(0.999902), FRAC_CONST(0.999939), FRAC_CONST(0.999976), FRAC_CONST(0.999993), FRAC_CONST(0.999998), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) }, |
223 | | { FRAC_CONST(0.999939), FRAC_CONST(0.999939), FRAC_CONST(0.999939), FRAC_CONST(0.99994), FRAC_CONST(0.999943), FRAC_CONST(0.999951), FRAC_CONST(0.999969), FRAC_CONST(0.999988), FRAC_CONST(0.999996), FRAC_CONST(0.999999), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) }, |
224 | | { FRAC_CONST(0.999969), FRAC_CONST(0.99997), FRAC_CONST(0.99997), FRAC_CONST(0.99997), FRAC_CONST(0.999971), FRAC_CONST(0.999976), FRAC_CONST(0.999985), FRAC_CONST(0.999994), FRAC_CONST(0.999998), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) }, |
225 | | { FRAC_CONST(0.999985), FRAC_CONST(0.999985), FRAC_CONST(0.999985), FRAC_CONST(0.999985), FRAC_CONST(0.999986), FRAC_CONST(0.999988), FRAC_CONST(0.999992), FRAC_CONST(0.999997), FRAC_CONST(0.999999), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) }, |
226 | | { FRAC_CONST(0.999992), FRAC_CONST(0.999992), FRAC_CONST(0.999992), FRAC_CONST(0.999992), FRAC_CONST(0.999993), FRAC_CONST(0.999994), FRAC_CONST(0.999996), FRAC_CONST(0.999998), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) }, |
227 | | { FRAC_CONST(0.999996), FRAC_CONST(0.999996), FRAC_CONST(0.999996), FRAC_CONST(0.999996), FRAC_CONST(0.999996), FRAC_CONST(0.999997), FRAC_CONST(0.999998), FRAC_CONST(0.999999), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) }, |
228 | | { FRAC_CONST(0.999998), FRAC_CONST(0.999998), FRAC_CONST(0.999998), FRAC_CONST(0.999998), FRAC_CONST(0.999998), FRAC_CONST(0.999998), FRAC_CONST(0.999999), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) }, |
229 | | { FRAC_CONST(0.999999), FRAC_CONST(0.999999), FRAC_CONST(0.999999), FRAC_CONST(0.999999), FRAC_CONST(0.999999), FRAC_CONST(0.999999), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) }, |
230 | | { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) }, |
231 | | { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) }, |
232 | | { FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1), FRAC_CONST(1) } |
233 | | }; |
234 | | |
235 | | /* calculates 1/(1+Q) */ |
236 | | /* [0..1] */ |
237 | | static real_t calc_Q_div(sbr_info *sbr, uint8_t ch, uint8_t m, uint8_t l) |
238 | 186k | { |
239 | 186k | if (sbr->bs_coupling) |
240 | 65.8k | { |
241 | | /* left channel */ |
242 | 65.8k | if ((sbr->Q[0][m][l] < 0 || sbr->Q[0][m][l] > 30) || |
243 | 65.8k | (sbr->Q[1][m][l] < 0 || sbr->Q[1][m][l] > 24 /* 2*panOffset(1) */)) |
244 | 23.0k | { |
245 | 23.0k | return 0; |
246 | 42.8k | } else { |
247 | | /* the pan parameter is always even */ |
248 | 42.8k | if (ch == 0) |
249 | 21.4k | { |
250 | 21.4k | return Q_div_tab_left[sbr->Q[0][m][l]][sbr->Q[1][m][l] >> 1]; |
251 | 21.4k | } else { |
252 | 21.4k | return Q_div_tab_right[sbr->Q[0][m][l]][sbr->Q[1][m][l] >> 1]; |
253 | 21.4k | } |
254 | 42.8k | } |
255 | 120k | } else { |
256 | | /* no coupling */ |
257 | 120k | if (sbr->Q[ch][m][l] < 0 || sbr->Q[ch][m][l] > 30) |
258 | 8.85k | { |
259 | 8.85k | return 0; |
260 | 111k | } else { |
261 | 111k | return Q_div_tab[sbr->Q[ch][m][l]]; |
262 | 111k | } |
263 | 120k | } |
264 | 186k | } |
265 | | |
266 | | /* table for Q_div2 values when no coupling */ |
267 | | static const real_t Q_div2_tab[31] = { |
268 | | FRAC_CONST(0.984615), FRAC_CONST(0.969697), |
269 | | FRAC_CONST(0.941176), FRAC_CONST(0.888889), |
270 | | FRAC_CONST(0.8), FRAC_CONST(0.666667), |
271 | | FRAC_CONST(0.5), FRAC_CONST(0.333333), |
272 | | FRAC_CONST(0.2), FRAC_CONST(0.111111), |
273 | | FRAC_CONST(0.0588235), FRAC_CONST(0.030303), |
274 | | FRAC_CONST(0.0153846), FRAC_CONST(0.00775194), |
275 | | FRAC_CONST(0.00389105), FRAC_CONST(0.00194932), |
276 | | FRAC_CONST(0.00097561), FRAC_CONST(0.000488043), |
277 | | FRAC_CONST(0.000244081), FRAC_CONST(0.000122055), |
278 | | FRAC_CONST(6.10314E-005), FRAC_CONST(3.05166E-005), |
279 | | FRAC_CONST(1.52586E-005), FRAC_CONST(7.62934E-006), |
280 | | FRAC_CONST(3.81468E-006), FRAC_CONST(1.90734E-006), |
281 | | FRAC_CONST(9.53673E-007), FRAC_CONST(4.76837E-007), |
282 | | FRAC_CONST(2.38419E-007), FRAC_CONST(1.19209E-007), |
283 | | FRAC_CONST(5.96046E-008) |
284 | | }; |
285 | | |
286 | | static const real_t Q_div2_tab_left[31][13] = { |
287 | | { FRAC_CONST(0.0302959), FRAC_CONST(0.111015), FRAC_CONST(0.332468), FRAC_CONST(0.663212), FRAC_CONST(0.882759), FRAC_CONST(0.962406), FRAC_CONST(0.984615), FRAC_CONST(0.990329), FRAC_CONST(0.991768), FRAC_CONST(0.992128), FRAC_CONST(0.992218), FRAC_CONST(0.992241), FRAC_CONST(0.992246) }, |
288 | | { FRAC_CONST(0.0153809), FRAC_CONST(0.0587695), FRAC_CONST(0.199377), FRAC_CONST(0.496124), FRAC_CONST(0.790123), FRAC_CONST(0.927536), FRAC_CONST(0.969697), FRAC_CONST(0.980843), FRAC_CONST(0.98367), FRAC_CONST(0.984379), FRAC_CONST(0.984556), FRAC_CONST(0.984601), FRAC_CONST(0.984612) }, |
289 | | { FRAC_CONST(0.00775006), FRAC_CONST(0.0302744), FRAC_CONST(0.110727), FRAC_CONST(0.329897), FRAC_CONST(0.653061), FRAC_CONST(0.864865), FRAC_CONST(0.941176), FRAC_CONST(0.962406), FRAC_CONST(0.967864), FRAC_CONST(0.969238), FRAC_CONST(0.969582), FRAC_CONST(0.969668), FRAC_CONST(0.96969) }, |
290 | | { FRAC_CONST(0.0038901), FRAC_CONST(0.0153698), FRAC_CONST(0.0586081), FRAC_CONST(0.197531), FRAC_CONST(0.484848), FRAC_CONST(0.761905), FRAC_CONST(0.888889), FRAC_CONST(0.927536), FRAC_CONST(0.937729), FRAC_CONST(0.940312), FRAC_CONST(0.94096), FRAC_CONST(0.941122), FRAC_CONST(0.941163) }, |
291 | | { FRAC_CONST(0.00194884), FRAC_CONST(0.00774443), FRAC_CONST(0.0301887), FRAC_CONST(0.109589), FRAC_CONST(0.32), FRAC_CONST(0.615385), FRAC_CONST(0.8), FRAC_CONST(0.864865), FRAC_CONST(0.882759), FRAC_CONST(0.887348), FRAC_CONST(0.888503), FRAC_CONST(0.888792), FRAC_CONST(0.888865) }, |
292 | | { FRAC_CONST(0.000975372), FRAC_CONST(0.00388727), FRAC_CONST(0.0153257), FRAC_CONST(0.057971), FRAC_CONST(0.190476), FRAC_CONST(0.444444), FRAC_CONST(0.666667), FRAC_CONST(0.761905), FRAC_CONST(0.790123), FRAC_CONST(0.797508), FRAC_CONST(0.799375), FRAC_CONST(0.799844), FRAC_CONST(0.799961) }, |
293 | | { FRAC_CONST(0.000487924), FRAC_CONST(0.00194742), FRAC_CONST(0.00772201), FRAC_CONST(0.0298507), FRAC_CONST(0.105263), FRAC_CONST(0.285714), FRAC_CONST(0.5), FRAC_CONST(0.615385), FRAC_CONST(0.653061), FRAC_CONST(0.663212), FRAC_CONST(0.6658), FRAC_CONST(0.66645), FRAC_CONST(0.666612) }, |
294 | | { FRAC_CONST(0.000244021), FRAC_CONST(0.000974659), FRAC_CONST(0.00387597), FRAC_CONST(0.0151515), FRAC_CONST(0.0555556), FRAC_CONST(0.166667), FRAC_CONST(0.333333), FRAC_CONST(0.444444), FRAC_CONST(0.484848), FRAC_CONST(0.496124), FRAC_CONST(0.499025), FRAC_CONST(0.499756), FRAC_CONST(0.499939) }, |
295 | | { FRAC_CONST(0.000122026), FRAC_CONST(0.000487567), FRAC_CONST(0.00194175), FRAC_CONST(0.00763359), FRAC_CONST(0.0285714), FRAC_CONST(0.0909091), FRAC_CONST(0.2), FRAC_CONST(0.285714), FRAC_CONST(0.32), FRAC_CONST(0.329897), FRAC_CONST(0.332468), FRAC_CONST(0.333116), FRAC_CONST(0.333279) }, |
296 | | { FRAC_CONST(6.10165E-005), FRAC_CONST(0.000243843), FRAC_CONST(0.000971817), FRAC_CONST(0.00383142), FRAC_CONST(0.0144928), FRAC_CONST(0.047619), FRAC_CONST(0.111111), FRAC_CONST(0.166667), FRAC_CONST(0.190476), FRAC_CONST(0.197531), FRAC_CONST(0.199377), FRAC_CONST(0.199844), FRAC_CONST(0.199961) }, |
297 | | { FRAC_CONST(3.05092E-005), FRAC_CONST(0.000121936), FRAC_CONST(0.000486145), FRAC_CONST(0.00191939), FRAC_CONST(0.00729927), FRAC_CONST(0.0243902), FRAC_CONST(0.0588235), FRAC_CONST(0.0909091), FRAC_CONST(0.105263), FRAC_CONST(0.109589), FRAC_CONST(0.110727), FRAC_CONST(0.111015), FRAC_CONST(0.111087) }, |
298 | | { FRAC_CONST(1.52548E-005), FRAC_CONST(6.09719E-005), FRAC_CONST(0.000243132), FRAC_CONST(0.000960615), FRAC_CONST(0.003663), FRAC_CONST(0.0123457), FRAC_CONST(0.030303), FRAC_CONST(0.047619), FRAC_CONST(0.0555556), FRAC_CONST(0.057971), FRAC_CONST(0.0586081), FRAC_CONST(0.0587695), FRAC_CONST(0.05881) }, |
299 | | { FRAC_CONST(7.62747E-006), FRAC_CONST(3.04869E-005), FRAC_CONST(0.000121581), FRAC_CONST(0.000480538), FRAC_CONST(0.00183486), FRAC_CONST(0.00621118), FRAC_CONST(0.0153846), FRAC_CONST(0.0243902), FRAC_CONST(0.0285714), FRAC_CONST(0.0298507), FRAC_CONST(0.0301887), FRAC_CONST(0.0302744), FRAC_CONST(0.0302959) }, |
300 | | { FRAC_CONST(3.81375E-006), FRAC_CONST(1.52437E-005), FRAC_CONST(6.0794E-005), FRAC_CONST(0.000240327), FRAC_CONST(0.000918274), FRAC_CONST(0.00311526), FRAC_CONST(0.00775194), FRAC_CONST(0.0123457), FRAC_CONST(0.0144928), FRAC_CONST(0.0151515), FRAC_CONST(0.0153257), FRAC_CONST(0.0153698), FRAC_CONST(0.0153809) }, |
301 | | { FRAC_CONST(1.90688E-006), FRAC_CONST(7.62189E-006), FRAC_CONST(3.03979E-005), FRAC_CONST(0.000120178), FRAC_CONST(0.000459348), FRAC_CONST(0.00156006), FRAC_CONST(0.00389105), FRAC_CONST(0.00621118), FRAC_CONST(0.00729927), FRAC_CONST(0.00763359), FRAC_CONST(0.00772201), FRAC_CONST(0.00774443), FRAC_CONST(0.00775006) }, |
302 | | { FRAC_CONST(9.53441E-007), FRAC_CONST(3.81096E-006), FRAC_CONST(1.51992E-005), FRAC_CONST(6.00925E-005), FRAC_CONST(0.000229727), FRAC_CONST(0.00078064), FRAC_CONST(0.00194932), FRAC_CONST(0.00311526), FRAC_CONST(0.003663), FRAC_CONST(0.00383142), FRAC_CONST(0.00387597), FRAC_CONST(0.00388727), FRAC_CONST(0.0038901) }, |
303 | | { FRAC_CONST(4.76721E-007), FRAC_CONST(1.90548E-006), FRAC_CONST(7.59965E-006), FRAC_CONST(3.00472E-005), FRAC_CONST(0.000114877), FRAC_CONST(0.000390472), FRAC_CONST(0.00097561), FRAC_CONST(0.00156006), FRAC_CONST(0.00183486), FRAC_CONST(0.00191939), FRAC_CONST(0.00194175), FRAC_CONST(0.00194742), FRAC_CONST(0.00194884) }, |
304 | | { FRAC_CONST(2.3836E-007), FRAC_CONST(9.52743E-007), FRAC_CONST(3.79984E-006), FRAC_CONST(1.50238E-005), FRAC_CONST(5.74416E-005), FRAC_CONST(0.000195274), FRAC_CONST(0.000488043), FRAC_CONST(0.00078064), FRAC_CONST(0.000918274), FRAC_CONST(0.000960615), FRAC_CONST(0.000971817), FRAC_CONST(0.000974659), FRAC_CONST(0.000975372) }, |
305 | | { FRAC_CONST(1.1918E-007), FRAC_CONST(4.76372E-007), FRAC_CONST(1.89992E-006), FRAC_CONST(7.51196E-006), FRAC_CONST(2.87216E-005), FRAC_CONST(9.76467E-005), FRAC_CONST(0.000244081), FRAC_CONST(0.000390472), FRAC_CONST(0.000459348), FRAC_CONST(0.000480538), FRAC_CONST(0.000486145), FRAC_CONST(0.000487567), FRAC_CONST(0.000487924) }, |
306 | | { FRAC_CONST(5.95901E-008), FRAC_CONST(2.38186E-007), FRAC_CONST(9.49963E-007), FRAC_CONST(3.756E-006), FRAC_CONST(1.4361E-005), FRAC_CONST(4.88257E-005), FRAC_CONST(0.000122055), FRAC_CONST(0.000195274), FRAC_CONST(0.000229727), FRAC_CONST(0.000240327), FRAC_CONST(0.000243132), FRAC_CONST(0.000243843), FRAC_CONST(0.000244021) }, |
307 | | { FRAC_CONST(2.9795E-008), FRAC_CONST(1.19093E-007), FRAC_CONST(4.74982E-007), FRAC_CONST(1.878E-006), FRAC_CONST(7.18056E-006), FRAC_CONST(2.44135E-005), FRAC_CONST(6.10314E-005), FRAC_CONST(9.76467E-005), FRAC_CONST(0.000114877), FRAC_CONST(0.000120178), FRAC_CONST(0.000121581), FRAC_CONST(0.000121936), FRAC_CONST(0.000122026) }, |
308 | | { FRAC_CONST(1.48975E-008), FRAC_CONST(5.95465E-008), FRAC_CONST(2.37491E-007), FRAC_CONST(9.39002E-007), FRAC_CONST(3.59029E-006), FRAC_CONST(1.22069E-005), FRAC_CONST(3.05166E-005), FRAC_CONST(4.88257E-005), FRAC_CONST(5.74416E-005), FRAC_CONST(6.00925E-005), FRAC_CONST(6.0794E-005), FRAC_CONST(6.09719E-005), FRAC_CONST(6.10165E-005) }, |
309 | | { FRAC_CONST(7.44876E-009), FRAC_CONST(2.97732E-008), FRAC_CONST(1.18745E-007), FRAC_CONST(4.69501E-007), FRAC_CONST(1.79515E-006), FRAC_CONST(6.10348E-006), FRAC_CONST(1.52586E-005), FRAC_CONST(2.44135E-005), FRAC_CONST(2.87216E-005), FRAC_CONST(3.00472E-005), FRAC_CONST(3.03979E-005), FRAC_CONST(3.04869E-005), FRAC_CONST(3.05092E-005) }, |
310 | | { FRAC_CONST(3.72438E-009), FRAC_CONST(1.48866E-008), FRAC_CONST(5.93727E-008), FRAC_CONST(2.34751E-007), FRAC_CONST(8.97575E-007), FRAC_CONST(3.05175E-006), FRAC_CONST(7.62934E-006), FRAC_CONST(1.22069E-005), FRAC_CONST(1.4361E-005), FRAC_CONST(1.50238E-005), FRAC_CONST(1.51992E-005), FRAC_CONST(1.52437E-005), FRAC_CONST(1.52548E-005) }, |
311 | | { FRAC_CONST(1.86219E-009), FRAC_CONST(7.44331E-009), FRAC_CONST(2.96864E-008), FRAC_CONST(1.17375E-007), FRAC_CONST(4.48788E-007), FRAC_CONST(1.52588E-006), FRAC_CONST(3.81468E-006), FRAC_CONST(6.10348E-006), FRAC_CONST(7.18056E-006), FRAC_CONST(7.51196E-006), FRAC_CONST(7.59965E-006), FRAC_CONST(7.62189E-006), FRAC_CONST(7.62747E-006) }, |
312 | | { FRAC_CONST(9.31095E-010), FRAC_CONST(3.72166E-009), FRAC_CONST(1.48432E-008), FRAC_CONST(5.86876E-008), FRAC_CONST(2.24394E-007), FRAC_CONST(7.62939E-007), FRAC_CONST(1.90734E-006), FRAC_CONST(3.05175E-006), FRAC_CONST(3.59029E-006), FRAC_CONST(3.756E-006), FRAC_CONST(3.79984E-006), FRAC_CONST(3.81096E-006), FRAC_CONST(3.81375E-006) }, |
313 | | { FRAC_CONST(4.65548E-010), FRAC_CONST(1.86083E-009), FRAC_CONST(7.42159E-009), FRAC_CONST(2.93438E-008), FRAC_CONST(1.12197E-007), FRAC_CONST(3.8147E-007), FRAC_CONST(9.53673E-007), FRAC_CONST(1.52588E-006), FRAC_CONST(1.79515E-006), FRAC_CONST(1.878E-006), FRAC_CONST(1.89992E-006), FRAC_CONST(1.90548E-006), FRAC_CONST(1.90688E-006) }, |
314 | | { FRAC_CONST(2.32774E-010), FRAC_CONST(9.30414E-010), FRAC_CONST(3.71079E-009), FRAC_CONST(1.46719E-008), FRAC_CONST(5.60985E-008), FRAC_CONST(1.90735E-007), FRAC_CONST(4.76837E-007), FRAC_CONST(7.62939E-007), FRAC_CONST(8.97575E-007), FRAC_CONST(9.39002E-007), FRAC_CONST(9.49963E-007), FRAC_CONST(9.52743E-007), FRAC_CONST(9.53441E-007) }, |
315 | | { FRAC_CONST(1.16387E-010), FRAC_CONST(4.65207E-010), FRAC_CONST(1.8554E-009), FRAC_CONST(7.33596E-009), FRAC_CONST(2.80492E-008), FRAC_CONST(9.53674E-008), FRAC_CONST(2.38419E-007), FRAC_CONST(3.8147E-007), FRAC_CONST(4.48788E-007), FRAC_CONST(4.69501E-007), FRAC_CONST(4.74982E-007), FRAC_CONST(4.76372E-007), FRAC_CONST(4.76721E-007) }, |
316 | | { FRAC_CONST(5.81935E-011), FRAC_CONST(2.32603E-010), FRAC_CONST(9.27699E-010), FRAC_CONST(3.66798E-009), FRAC_CONST(1.40246E-008), FRAC_CONST(4.76837E-008), FRAC_CONST(1.19209E-007), FRAC_CONST(1.90735E-007), FRAC_CONST(2.24394E-007), FRAC_CONST(2.34751E-007), FRAC_CONST(2.37491E-007), FRAC_CONST(2.38186E-007), FRAC_CONST(2.3836E-007) }, |
317 | | { FRAC_CONST(2.90967E-011), FRAC_CONST(1.16302E-010), FRAC_CONST(4.63849E-010), FRAC_CONST(1.83399E-009), FRAC_CONST(7.01231E-009), FRAC_CONST(2.38419E-008), FRAC_CONST(5.96046E-008), FRAC_CONST(9.53674E-008), FRAC_CONST(1.12197E-007), FRAC_CONST(1.17375E-007), FRAC_CONST(1.18745E-007), FRAC_CONST(1.19093E-007), FRAC_CONST(1.1918E-007) } |
318 | | }; |
319 | | |
320 | | static const real_t Q_div2_tab_right[31][13] = { |
321 | | { FRAC_CONST(0.992246), FRAC_CONST(0.992241), FRAC_CONST(0.992218), FRAC_CONST(0.992128), FRAC_CONST(0.991768), FRAC_CONST(0.990329), FRAC_CONST(0.984615), FRAC_CONST(0.962406), FRAC_CONST(0.882759), FRAC_CONST(0.663212), FRAC_CONST(0.332468), FRAC_CONST(0.111015), FRAC_CONST(0.0302959) }, |
322 | | { FRAC_CONST(0.984612), FRAC_CONST(0.984601), FRAC_CONST(0.984556), FRAC_CONST(0.984379), FRAC_CONST(0.98367), FRAC_CONST(0.980843), FRAC_CONST(0.969697), FRAC_CONST(0.927536), FRAC_CONST(0.790123), FRAC_CONST(0.496124), FRAC_CONST(0.199377), FRAC_CONST(0.0587695), FRAC_CONST(0.0153809) }, |
323 | | { FRAC_CONST(0.96969), FRAC_CONST(0.969668), FRAC_CONST(0.969582), FRAC_CONST(0.969238), FRAC_CONST(0.967864), FRAC_CONST(0.962406), FRAC_CONST(0.941176), FRAC_CONST(0.864865), FRAC_CONST(0.653061), FRAC_CONST(0.329897), FRAC_CONST(0.110727), FRAC_CONST(0.0302744), FRAC_CONST(0.00775006) }, |
324 | | { FRAC_CONST(0.941163), FRAC_CONST(0.941122), FRAC_CONST(0.94096), FRAC_CONST(0.940312), FRAC_CONST(0.937729), FRAC_CONST(0.927536), FRAC_CONST(0.888889), FRAC_CONST(0.761905), FRAC_CONST(0.484848), FRAC_CONST(0.197531), FRAC_CONST(0.0586081), FRAC_CONST(0.0153698), FRAC_CONST(0.0038901) }, |
325 | | { FRAC_CONST(0.888865), FRAC_CONST(0.888792), FRAC_CONST(0.888503), FRAC_CONST(0.887348), FRAC_CONST(0.882759), FRAC_CONST(0.864865), FRAC_CONST(0.8), FRAC_CONST(0.615385), FRAC_CONST(0.32), FRAC_CONST(0.109589), FRAC_CONST(0.0301887), FRAC_CONST(0.00774443), FRAC_CONST(0.00194884) }, |
326 | | { FRAC_CONST(0.799961), FRAC_CONST(0.799844), FRAC_CONST(0.799375), FRAC_CONST(0.797508), FRAC_CONST(0.790123), FRAC_CONST(0.761905), FRAC_CONST(0.666667), FRAC_CONST(0.444444), FRAC_CONST(0.190476), FRAC_CONST(0.057971), FRAC_CONST(0.0153257), FRAC_CONST(0.00388727), FRAC_CONST(0.000975372) }, |
327 | | { FRAC_CONST(0.666612), FRAC_CONST(0.66645), FRAC_CONST(0.6658), FRAC_CONST(0.663212), FRAC_CONST(0.653061), FRAC_CONST(0.615385), FRAC_CONST(0.5), FRAC_CONST(0.285714), FRAC_CONST(0.105263), FRAC_CONST(0.0298507), FRAC_CONST(0.00772201), FRAC_CONST(0.00194742), FRAC_CONST(0.000487924) }, |
328 | | { FRAC_CONST(0.499939), FRAC_CONST(0.499756), FRAC_CONST(0.499025), FRAC_CONST(0.496124), FRAC_CONST(0.484848), FRAC_CONST(0.444444), FRAC_CONST(0.333333), FRAC_CONST(0.166667), FRAC_CONST(0.0555556), FRAC_CONST(0.0151515), FRAC_CONST(0.00387597), FRAC_CONST(0.000974659), FRAC_CONST(0.000244021) }, |
329 | | { FRAC_CONST(0.333279), FRAC_CONST(0.333116), FRAC_CONST(0.332468), FRAC_CONST(0.329897), FRAC_CONST(0.32), FRAC_CONST(0.285714), FRAC_CONST(0.2), FRAC_CONST(0.0909091), FRAC_CONST(0.0285714), FRAC_CONST(0.00763359), FRAC_CONST(0.00194175), FRAC_CONST(0.000487567), FRAC_CONST(0.000122026) }, |
330 | | { FRAC_CONST(0.199961), FRAC_CONST(0.199844), FRAC_CONST(0.199377), FRAC_CONST(0.197531), FRAC_CONST(0.190476), FRAC_CONST(0.166667), FRAC_CONST(0.111111), FRAC_CONST(0.047619), FRAC_CONST(0.0144928), FRAC_CONST(0.00383142), FRAC_CONST(0.000971817), FRAC_CONST(0.000243843), FRAC_CONST(6.10165E-005) }, |
331 | | { FRAC_CONST(0.111087), FRAC_CONST(0.111015), FRAC_CONST(0.110727), FRAC_CONST(0.109589), FRAC_CONST(0.105263), FRAC_CONST(0.0909091), FRAC_CONST(0.0588235), FRAC_CONST(0.0243902), FRAC_CONST(0.00729927), FRAC_CONST(0.00191939), FRAC_CONST(0.000486145), FRAC_CONST(0.000121936), FRAC_CONST(3.05092E-005) }, |
332 | | { FRAC_CONST(0.05881), FRAC_CONST(0.0587695), FRAC_CONST(0.0586081), FRAC_CONST(0.057971), FRAC_CONST(0.0555556), FRAC_CONST(0.047619), FRAC_CONST(0.030303), FRAC_CONST(0.0123457), FRAC_CONST(0.003663), FRAC_CONST(0.000960615), FRAC_CONST(0.000243132), FRAC_CONST(6.09719E-005), FRAC_CONST(1.52548E-005) }, |
333 | | { FRAC_CONST(0.0302959), FRAC_CONST(0.0302744), FRAC_CONST(0.0301887), FRAC_CONST(0.0298507), FRAC_CONST(0.0285714), FRAC_CONST(0.0243902), FRAC_CONST(0.0153846), FRAC_CONST(0.00621118), FRAC_CONST(0.00183486), FRAC_CONST(0.000480538), FRAC_CONST(0.000121581), FRAC_CONST(3.04869E-005), FRAC_CONST(7.62747E-006) }, |
334 | | { FRAC_CONST(0.0153809), FRAC_CONST(0.0153698), FRAC_CONST(0.0153257), FRAC_CONST(0.0151515), FRAC_CONST(0.0144928), FRAC_CONST(0.0123457), FRAC_CONST(0.00775194), FRAC_CONST(0.00311526), FRAC_CONST(0.000918274), FRAC_CONST(0.000240327), FRAC_CONST(6.0794E-005), FRAC_CONST(1.52437E-005), FRAC_CONST(3.81375E-006) }, |
335 | | { FRAC_CONST(0.00775006), FRAC_CONST(0.00774443), FRAC_CONST(0.00772201), FRAC_CONST(0.00763359), FRAC_CONST(0.00729927), FRAC_CONST(0.00621118), FRAC_CONST(0.00389105), FRAC_CONST(0.00156006), FRAC_CONST(0.000459348), FRAC_CONST(0.000120178), FRAC_CONST(3.03979E-005), FRAC_CONST(7.62189E-006), FRAC_CONST(1.90688E-006) }, |
336 | | { FRAC_CONST(0.0038901), FRAC_CONST(0.00388727), FRAC_CONST(0.00387597), FRAC_CONST(0.00383142), FRAC_CONST(0.003663), FRAC_CONST(0.00311526), FRAC_CONST(0.00194932), FRAC_CONST(0.00078064), FRAC_CONST(0.000229727), FRAC_CONST(6.00925E-005), FRAC_CONST(1.51992E-005), FRAC_CONST(3.81096E-006), FRAC_CONST(9.53441E-007) }, |
337 | | { FRAC_CONST(0.00194884), FRAC_CONST(0.00194742), FRAC_CONST(0.00194175), FRAC_CONST(0.00191939), FRAC_CONST(0.00183486), FRAC_CONST(0.00156006), FRAC_CONST(0.00097561), FRAC_CONST(0.000390472), FRAC_CONST(0.000114877), FRAC_CONST(3.00472E-005), FRAC_CONST(7.59965E-006), FRAC_CONST(1.90548E-006), FRAC_CONST(4.76721E-007) }, |
338 | | { FRAC_CONST(0.000975372), FRAC_CONST(0.000974659), FRAC_CONST(0.000971817), FRAC_CONST(0.000960615), FRAC_CONST(0.000918274), FRAC_CONST(0.00078064), FRAC_CONST(0.000488043), FRAC_CONST(0.000195274), FRAC_CONST(5.74416E-005), FRAC_CONST(1.50238E-005), FRAC_CONST(3.79984E-006), FRAC_CONST(9.52743E-007), FRAC_CONST(2.3836E-007) }, |
339 | | { FRAC_CONST(0.000487924), FRAC_CONST(0.000487567), FRAC_CONST(0.000486145), FRAC_CONST(0.000480538), FRAC_CONST(0.000459348), FRAC_CONST(0.000390472), FRAC_CONST(0.000244081), FRAC_CONST(9.76467E-005), FRAC_CONST(2.87216E-005), FRAC_CONST(7.51196E-006), FRAC_CONST(1.89992E-006), FRAC_CONST(4.76372E-007), FRAC_CONST(1.1918E-007) }, |
340 | | { FRAC_CONST(0.000244021), FRAC_CONST(0.000243843), FRAC_CONST(0.000243132), FRAC_CONST(0.000240327), FRAC_CONST(0.000229727), FRAC_CONST(0.000195274), FRAC_CONST(0.000122055), FRAC_CONST(4.88257E-005), FRAC_CONST(1.4361E-005), FRAC_CONST(3.756E-006), FRAC_CONST(9.49963E-007), FRAC_CONST(2.38186E-007), FRAC_CONST(5.95901E-008) }, |
341 | | { FRAC_CONST(0.000122026), FRAC_CONST(0.000121936), FRAC_CONST(0.000121581), FRAC_CONST(0.000120178), FRAC_CONST(0.000114877), FRAC_CONST(9.76467E-005), FRAC_CONST(6.10314E-005), FRAC_CONST(2.44135E-005), FRAC_CONST(7.18056E-006), FRAC_CONST(1.878E-006), FRAC_CONST(4.74982E-007), FRAC_CONST(1.19093E-007), FRAC_CONST(2.9795E-008) }, |
342 | | { FRAC_CONST(6.10165E-005), FRAC_CONST(6.09719E-005), FRAC_CONST(6.0794E-005), FRAC_CONST(6.00925E-005), FRAC_CONST(5.74416E-005), FRAC_CONST(4.88257E-005), FRAC_CONST(3.05166E-005), FRAC_CONST(1.22069E-005), FRAC_CONST(3.59029E-006), FRAC_CONST(9.39002E-007), FRAC_CONST(2.37491E-007), FRAC_CONST(5.95465E-008), FRAC_CONST(1.48975E-008) }, |
343 | | { FRAC_CONST(3.05092E-005), FRAC_CONST(3.04869E-005), FRAC_CONST(3.03979E-005), FRAC_CONST(3.00472E-005), FRAC_CONST(2.87216E-005), FRAC_CONST(2.44135E-005), FRAC_CONST(1.52586E-005), FRAC_CONST(6.10348E-006), FRAC_CONST(1.79515E-006), FRAC_CONST(4.69501E-007), FRAC_CONST(1.18745E-007), FRAC_CONST(2.97732E-008), FRAC_CONST(7.44876E-009) }, |
344 | | { FRAC_CONST(1.52548E-005), FRAC_CONST(1.52437E-005), FRAC_CONST(1.51992E-005), FRAC_CONST(1.50238E-005), FRAC_CONST(1.4361E-005), FRAC_CONST(1.22069E-005), FRAC_CONST(7.62934E-006), FRAC_CONST(3.05175E-006), FRAC_CONST(8.97575E-007), FRAC_CONST(2.34751E-007), FRAC_CONST(5.93727E-008), FRAC_CONST(1.48866E-008), FRAC_CONST(3.72438E-009) }, |
345 | | { FRAC_CONST(7.62747E-006), FRAC_CONST(7.62189E-006), FRAC_CONST(7.59965E-006), FRAC_CONST(7.51196E-006), FRAC_CONST(7.18056E-006), FRAC_CONST(6.10348E-006), FRAC_CONST(3.81468E-006), FRAC_CONST(1.52588E-006), FRAC_CONST(4.48788E-007), FRAC_CONST(1.17375E-007), FRAC_CONST(2.96864E-008), FRAC_CONST(7.44331E-009), FRAC_CONST(1.86219E-009) }, |
346 | | { FRAC_CONST(3.81375E-006), FRAC_CONST(3.81096E-006), FRAC_CONST(3.79984E-006), FRAC_CONST(3.756E-006), FRAC_CONST(3.59029E-006), FRAC_CONST(3.05175E-006), FRAC_CONST(1.90734E-006), FRAC_CONST(7.62939E-007), FRAC_CONST(2.24394E-007), FRAC_CONST(5.86876E-008), FRAC_CONST(1.48432E-008), FRAC_CONST(3.72166E-009), FRAC_CONST(9.31095E-010) }, |
347 | | { FRAC_CONST(1.90688E-006), FRAC_CONST(1.90548E-006), FRAC_CONST(1.89992E-006), FRAC_CONST(1.878E-006), FRAC_CONST(1.79515E-006), FRAC_CONST(1.52588E-006), FRAC_CONST(9.53673E-007), FRAC_CONST(3.8147E-007), FRAC_CONST(1.12197E-007), FRAC_CONST(2.93438E-008), FRAC_CONST(7.42159E-009), FRAC_CONST(1.86083E-009), FRAC_CONST(4.65548E-010) }, |
348 | | { FRAC_CONST(9.53441E-007), FRAC_CONST(9.52743E-007), FRAC_CONST(9.49963E-007), FRAC_CONST(9.39002E-007), FRAC_CONST(8.97575E-007), FRAC_CONST(7.62939E-007), FRAC_CONST(4.76837E-007), FRAC_CONST(1.90735E-007), FRAC_CONST(5.60985E-008), FRAC_CONST(1.46719E-008), FRAC_CONST(3.71079E-009), FRAC_CONST(9.30414E-010), FRAC_CONST(2.32774E-010) }, |
349 | | { FRAC_CONST(4.76721E-007), FRAC_CONST(4.76372E-007), FRAC_CONST(4.74982E-007), FRAC_CONST(4.69501E-007), FRAC_CONST(4.48788E-007), FRAC_CONST(3.8147E-007), FRAC_CONST(2.38419E-007), FRAC_CONST(9.53674E-008), FRAC_CONST(2.80492E-008), FRAC_CONST(7.33596E-009), FRAC_CONST(1.8554E-009), FRAC_CONST(4.65207E-010), FRAC_CONST(1.16387E-010) }, |
350 | | { FRAC_CONST(2.3836E-007), FRAC_CONST(2.38186E-007), FRAC_CONST(2.37491E-007), FRAC_CONST(2.34751E-007), FRAC_CONST(2.24394E-007), FRAC_CONST(1.90735E-007), FRAC_CONST(1.19209E-007), FRAC_CONST(4.76837E-008), FRAC_CONST(1.40246E-008), FRAC_CONST(3.66798E-009), FRAC_CONST(9.27699E-010), FRAC_CONST(2.32603E-010), FRAC_CONST(5.81935E-011) }, |
351 | | { FRAC_CONST(1.1918E-007), FRAC_CONST(1.19093E-007), FRAC_CONST(1.18745E-007), FRAC_CONST(1.17375E-007), FRAC_CONST(1.12197E-007), FRAC_CONST(9.53674E-008), FRAC_CONST(5.96046E-008), FRAC_CONST(2.38419E-008), FRAC_CONST(7.01231E-009), FRAC_CONST(1.83399E-009), FRAC_CONST(4.63849E-010), FRAC_CONST(1.16302E-010), FRAC_CONST(2.90967E-011) } |
352 | | }; |
353 | | |
354 | | /* calculates Q/(1+Q) */ |
355 | | /* [0..1] */ |
356 | | static real_t calc_Q_div2(sbr_info *sbr, uint8_t ch, uint8_t m, uint8_t l) |
357 | 186k | { |
358 | 186k | if (sbr->bs_coupling) |
359 | 65.8k | { |
360 | 65.8k | if ((sbr->Q[0][m][l] < 0 || sbr->Q[0][m][l] > 30) || |
361 | 65.8k | (sbr->Q[1][m][l] < 0 || sbr->Q[1][m][l] > 24 /* 2*panOffset(1) */)) |
362 | 23.0k | { |
363 | 23.0k | return 0; |
364 | 42.8k | } else { |
365 | | /* the pan parameter is always even */ |
366 | 42.8k | if (ch == 0) |
367 | 21.4k | { |
368 | 21.4k | return Q_div2_tab_left[sbr->Q[0][m][l]][sbr->Q[1][m][l] >> 1]; |
369 | 21.4k | } else { |
370 | 21.4k | return Q_div2_tab_right[sbr->Q[0][m][l]][sbr->Q[1][m][l] >> 1]; |
371 | 21.4k | } |
372 | 42.8k | } |
373 | 120k | } else { |
374 | | /* no coupling */ |
375 | 120k | if (sbr->Q[ch][m][l] < 0 || sbr->Q[ch][m][l] > 30) |
376 | 8.85k | { |
377 | 8.85k | return 0; |
378 | 111k | } else { |
379 | 111k | return Q_div2_tab[sbr->Q[ch][m][l]]; |
380 | 111k | } |
381 | 120k | } |
382 | 186k | } |
383 | | |
384 | | static const real_t E_deq_tab[64] = { |
385 | | 64.0f, 128.0f, 256.0f, 512.0f, 1024.0f, 2048.0f, 4096.0f, 8192.0f, |
386 | | 16384.0f, 32768.0f, 65536.0f, 131072.0f, 262144.0f, 524288.0f, 1.04858E+006f, 2.09715E+006f, |
387 | | 4.1943E+006f, 8.38861E+006f, 1.67772E+007f, 3.35544E+007f, 6.71089E+007f, 1.34218E+008f, 2.68435E+008f, 5.36871E+008f, |
388 | | 1.07374E+009f, 2.14748E+009f, 4.29497E+009f, 8.58993E+009f, 1.71799E+010f, 3.43597E+010f, 6.87195E+010f, 1.37439E+011f, |
389 | | 2.74878E+011f, 5.49756E+011f, 1.09951E+012f, 2.19902E+012f, 4.39805E+012f, 8.79609E+012f, 1.75922E+013f, 3.51844E+013f, |
390 | | 7.03687E+013f, 1.40737E+014f, 2.81475E+014f, 5.6295E+014f, 1.1259E+015f, 2.2518E+015f, 4.5036E+015f, 9.0072E+015f, |
391 | | 1.80144E+016f, 3.60288E+016f, 7.20576E+016f, 1.44115E+017f, 2.8823E+017f, 5.76461E+017f, 1.15292E+018f, 2.30584E+018f, |
392 | | 4.61169E+018f, 9.22337E+018f, 1.84467E+019f, 3.68935E+019f, 7.3787E+019f, 1.47574E+020f, 2.95148E+020f, 5.90296E+020f |
393 | | }; |
394 | | |
395 | | void envelope_noise_dequantisation(sbr_info *sbr, uint8_t ch) |
396 | 64.7k | { |
397 | 64.7k | if (sbr->bs_coupling == 0) |
398 | 47.9k | { |
399 | 47.9k | int16_t exp; |
400 | 47.9k | uint8_t l, k; |
401 | 47.9k | uint8_t amp = (sbr->amp_res[ch]) ? 0 : 1; |
402 | | |
403 | 148k | for (l = 0; l < sbr->L_E[ch]; l++) |
404 | 100k | { |
405 | 921k | for (k = 0; k < sbr->n[sbr->f[ch][l]]; k++) |
406 | 820k | { |
407 | | /* +6 for the *64 and -10 for the /32 in the synthesis QMF (fixed) |
408 | | * since this is a energy value: (x/32)^2 = (x^2)/1024 |
409 | | */ |
410 | | /* exp = (sbr->E[ch][k][l] >> amp) + 6; */ |
411 | 820k | exp = (sbr->E[ch][k][l] >> amp); |
412 | | |
413 | 820k | if ((exp < 0) || (exp >= 64)) |
414 | 45.8k | { |
415 | 45.8k | sbr->E_orig[ch][k][l] = 0; |
416 | 774k | } else { |
417 | 774k | sbr->E_orig[ch][k][l] = E_deq_tab[exp]; |
418 | | |
419 | | /* save half the table size at the cost of 1 multiply */ |
420 | 774k | if (amp && (sbr->E[ch][k][l] & 1)) |
421 | 163k | { |
422 | 163k | sbr->E_orig[ch][k][l] = MUL_C(sbr->E_orig[ch][k][l], COEF_CONST(1.414213562)); |
423 | 163k | } |
424 | 774k | } |
425 | 820k | } |
426 | 100k | } |
427 | | |
428 | 119k | for (l = 0; l < sbr->L_Q[ch]; l++) |
429 | 71.3k | { |
430 | 191k | for (k = 0; k < sbr->N_Q; k++) |
431 | 120k | { |
432 | 120k | sbr->Q_div[ch][k][l] = calc_Q_div(sbr, ch, k, l); |
433 | 120k | sbr->Q_div2[ch][k][l] = calc_Q_div2(sbr, ch, k, l); |
434 | 120k | } |
435 | 71.3k | } |
436 | 47.9k | } |
437 | 64.7k | } |
438 | | |
439 | | static const real_t E_pan_tab[25] = { |
440 | | FRAC_CONST(0.000244081), FRAC_CONST(0.000488043), |
441 | | FRAC_CONST(0.00097561), FRAC_CONST(0.00194932), |
442 | | FRAC_CONST(0.00389105), FRAC_CONST(0.00775194), |
443 | | FRAC_CONST(0.0153846), FRAC_CONST(0.030303), |
444 | | FRAC_CONST(0.0588235), FRAC_CONST(0.111111), |
445 | | FRAC_CONST(0.2), FRAC_CONST(0.333333), |
446 | | FRAC_CONST(0.5), FRAC_CONST(0.666667), |
447 | | FRAC_CONST(0.8), FRAC_CONST(0.888889), |
448 | | FRAC_CONST(0.941176), FRAC_CONST(0.969697), |
449 | | FRAC_CONST(0.984615), FRAC_CONST(0.992248), |
450 | | FRAC_CONST(0.996109), FRAC_CONST(0.998051), |
451 | | FRAC_CONST(0.999024), FRAC_CONST(0.999512), |
452 | | FRAC_CONST(0.999756) |
453 | | }; |
454 | | |
455 | | void unmap_envelope_noise(sbr_info *sbr) |
456 | 8.42k | { |
457 | 8.42k | real_t tmp; |
458 | 8.42k | int16_t exp0, exp1; |
459 | 8.42k | uint8_t l, k; |
460 | 8.42k | uint8_t amp0 = (sbr->amp_res[0]) ? 0 : 1; |
461 | 8.42k | uint8_t amp1 = (sbr->amp_res[1]) ? 0 : 1; |
462 | | |
463 | 32.0k | for (l = 0; l < sbr->L_E[0]; l++) |
464 | 23.5k | { |
465 | 280k | for (k = 0; k < sbr->n[sbr->f[0][l]]; k++) |
466 | 257k | { |
467 | | /* +6: * 64 ; +1: * 2 ; */ |
468 | 257k | exp0 = (sbr->E[0][k][l] >> amp0) + 1; |
469 | | |
470 | | /* UN_MAP removed: (x / 4096) same as (x >> 12) */ |
471 | | /* E[1] is always even so no need for compensating the divide by 2 with |
472 | | * an extra multiplication |
473 | | */ |
474 | | /* exp1 = (sbr->E[1][k][l] >> amp1) - 12; */ |
475 | 257k | exp1 = (sbr->E[1][k][l] >> amp1); |
476 | | |
477 | 257k | if ((exp0 < 0) || (exp0 >= 64) || |
478 | 257k | (exp1 < 0) || (exp1 > 24)) |
479 | 84.4k | { |
480 | 84.4k | sbr->E_orig[1][k][l] = 0; |
481 | 84.4k | sbr->E_orig[0][k][l] = 0; |
482 | 172k | } else { |
483 | 172k | tmp = E_deq_tab[exp0]; |
484 | 172k | if (amp0 && (sbr->E[0][k][l] & 1)) |
485 | 43.4k | { |
486 | 43.4k | tmp = MUL_C(tmp, COEF_CONST(1.414213562)); |
487 | 43.4k | } |
488 | | |
489 | | /* panning */ |
490 | 172k | sbr->E_orig[0][k][l] = MUL_F(tmp, E_pan_tab[exp1]); |
491 | 172k | sbr->E_orig[1][k][l] = MUL_F(tmp, E_pan_tab[24 - exp1]); |
492 | 172k | } |
493 | 257k | } |
494 | 23.5k | } |
495 | | |
496 | 22.3k | for (l = 0; l < sbr->L_Q[0]; l++) |
497 | 13.9k | { |
498 | 46.8k | for (k = 0; k < sbr->N_Q; k++) |
499 | 32.9k | { |
500 | 32.9k | sbr->Q_div[0][k][l] = calc_Q_div(sbr, 0, k, l); |
501 | 32.9k | sbr->Q_div[1][k][l] = calc_Q_div(sbr, 1, k, l); |
502 | 32.9k | sbr->Q_div2[0][k][l] = calc_Q_div2(sbr, 0, k, l); |
503 | 32.9k | sbr->Q_div2[1][k][l] = calc_Q_div2(sbr, 1, k, l); |
504 | 32.9k | } |
505 | 13.9k | } |
506 | 8.42k | } |
507 | | |
508 | | #endif |
509 | | |
510 | | #endif |