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964dd0bc JW |
1 | /* JOrbis |
2 | * Copyright (C) 2000 ymnk, JCraft,Inc. | |
3 | * | |
4 | * Written by: 2000 ymnk<ymnk@jcraft.com> | |
5 | * | |
6 | * Many thanks to | |
7 | * Monty <monty@xiph.org> and | |
8 | * The XIPHOPHORUS Company http://www.xiph.org/ . | |
9 | * JOrbis has been based on their awesome works, Vorbis codec. | |
10 | * | |
11 | * This program is free software; you can redistribute it and/or | |
12 | * modify it under the terms of the GNU Library General Public License | |
13 | * as published by the Free Software Foundation; either version 2 of | |
14 | * the License, or (at your option) any later version. | |
15 | ||
16 | * This program is distributed in the hope that it will be useful, | |
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | * GNU Library General Public License for more details. | |
20 | * | |
21 | * You should have received a copy of the GNU Library General Public | |
22 | * License along with this program; if not, write to the Free Software | |
23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
24 | */ | |
25 | ||
26 | package com.jcraft.jorbis; | |
27 | ||
28 | class PsyLook { | |
29 | int n; | |
30 | PsyInfo vi; | |
31 | ||
32 | float[][][] tonecurves; | |
33 | float[][] peakatt; | |
34 | float[][][] noisecurves; | |
35 | ||
36 | float[] ath; | |
37 | int[] octave; | |
38 | ||
39 | void init(PsyInfo vi, int n, int rate){ | |
40 | /* | |
41 | float rate2=rate/2.; | |
42 | //memset(p,0,sizeof(vorbis_look_psy)); | |
43 | ath=new float[n]; | |
44 | octave=new int[n]; | |
45 | this.vi=vi; | |
46 | this.n=n; | |
47 | ||
48 | // set up the lookups for a given blocksize and sample rate | |
49 | // Vorbis max sample rate is limited by 26 Bark (54kHz) | |
50 | set_curve(ATH_Bark_dB, ath,n,rate); | |
51 | for(int i=0;i<n;i++) | |
52 | ath[i]=fromdB(ath[i]+vi.ath_att); | |
53 | ||
54 | for(int i=0;i<n;i++){ | |
55 | int oc=rint(toOC((i+.5)*rate2/n)*2.); | |
56 | if(oc<0)oc=0; | |
57 | if(oc>12)oc=12; | |
58 | octave[i]=oc; | |
59 | } | |
60 | ||
61 | tonecurves=malloc(13*sizeof(float **)); | |
62 | noisecurves=malloc(13*sizeof(float **)); | |
63 | peakatt=malloc(7*sizeof(float *)); | |
64 | for(int i=0;i<13;i++){ | |
65 | tonecurves[i]=malloc(9*sizeof(float *)); | |
66 | noisecurves[i]=malloc(9*sizeof(float *)); | |
67 | } | |
68 | for(i=0;i<7;i++) | |
69 | peakatt[i]=malloc(5*sizeof(float)); | |
70 | ||
71 | for(i=0;i<13;i++){ | |
72 | for(j=0;j<9;j++){ | |
73 | tonecurves[i][j]=malloc(EHMER_MAX*sizeof(float)); | |
74 | noisecurves[i][j]=malloc(EHMER_MAX*sizeof(float)); | |
75 | } | |
76 | } | |
77 | ||
78 | // OK, yeah, this was a silly way to do it | |
79 | memcpy(tonecurves[0][2],tone_125_80dB_SL,sizeof(float)*EHMER_MAX); | |
80 | memcpy(tonecurves[0][4],tone_125_80dB_SL,sizeof(float)*EHMER_MAX); | |
81 | memcpy(tonecurves[0][6],tone_125_80dB_SL,sizeof(float)*EHMER_MAX); | |
82 | memcpy(tonecurves[0][8],tone_125_100dB_SL,sizeof(float)*EHMER_MAX); | |
83 | ||
84 | memcpy(tonecurves[2][2],tone_250_40dB_SL,sizeof(float)*EHMER_MAX); | |
85 | memcpy(tonecurves[2][4],tone_250_60dB_SL,sizeof(float)*EHMER_MAX); | |
86 | memcpy(tonecurves[2][6],tone_250_80dB_SL,sizeof(float)*EHMER_MAX); | |
87 | memcpy(tonecurves[2][8],tone_250_80dB_SL,sizeof(float)*EHMER_MAX); | |
88 | ||
89 | memcpy(tonecurves[4][2],tone_500_40dB_SL,sizeof(float)*EHMER_MAX); | |
90 | memcpy(tonecurves[4][4],tone_500_60dB_SL,sizeof(float)*EHMER_MAX); | |
91 | memcpy(tonecurves[4][6],tone_500_80dB_SL,sizeof(float)*EHMER_MAX); | |
92 | memcpy(tonecurves[4][8],tone_500_100dB_SL,sizeof(float)*EHMER_MAX); | |
93 | ||
94 | memcpy(tonecurves[6][2],tone_1000_40dB_SL,sizeof(float)*EHMER_MAX); | |
95 | memcpy(tonecurves[6][4],tone_1000_60dB_SL,sizeof(float)*EHMER_MAX); | |
96 | memcpy(tonecurves[6][6],tone_1000_80dB_SL,sizeof(float)*EHMER_MAX); | |
97 | memcpy(tonecurves[6][8],tone_1000_100dB_SL,sizeof(float)*EHMER_MAX); | |
98 | ||
99 | memcpy(tonecurves[8][2],tone_2000_40dB_SL,sizeof(float)*EHMER_MAX); | |
100 | memcpy(tonecurves[8][4],tone_2000_60dB_SL,sizeof(float)*EHMER_MAX); | |
101 | memcpy(tonecurves[8][6],tone_2000_80dB_SL,sizeof(float)*EHMER_MAX); | |
102 | memcpy(tonecurves[8][8],tone_2000_100dB_SL,sizeof(float)*EHMER_MAX); | |
103 | ||
104 | memcpy(tonecurves[10][2],tone_4000_40dB_SL,sizeof(float)*EHMER_MAX); | |
105 | memcpy(tonecurves[10][4],tone_4000_60dB_SL,sizeof(float)*EHMER_MAX); | |
106 | memcpy(tonecurves[10][6],tone_4000_80dB_SL,sizeof(float)*EHMER_MAX); | |
107 | memcpy(tonecurves[10][8],tone_4000_100dB_SL,sizeof(float)*EHMER_MAX); | |
108 | ||
109 | memcpy(tonecurves[12][2],tone_4000_40dB_SL,sizeof(float)*EHMER_MAX); | |
110 | memcpy(tonecurves[12][4],tone_4000_60dB_SL,sizeof(float)*EHMER_MAX); | |
111 | memcpy(tonecurves[12][6],tone_8000_80dB_SL,sizeof(float)*EHMER_MAX); | |
112 | memcpy(tonecurves[12][8],tone_8000_100dB_SL,sizeof(float)*EHMER_MAX); | |
113 | ||
114 | ||
115 | memcpy(noisecurves[0][2],noise_500_60dB_SL,sizeof(float)*EHMER_MAX); | |
116 | memcpy(noisecurves[0][4],noise_500_60dB_SL,sizeof(float)*EHMER_MAX); | |
117 | memcpy(noisecurves[0][6],noise_500_80dB_SL,sizeof(float)*EHMER_MAX); | |
118 | memcpy(noisecurves[0][8],noise_500_80dB_SL,sizeof(float)*EHMER_MAX); | |
119 | ||
120 | memcpy(noisecurves[2][2],noise_500_60dB_SL,sizeof(float)*EHMER_MAX); | |
121 | memcpy(noisecurves[2][4],noise_500_60dB_SL,sizeof(float)*EHMER_MAX); | |
122 | memcpy(noisecurves[2][6],noise_500_80dB_SL,sizeof(float)*EHMER_MAX); | |
123 | memcpy(noisecurves[2][8],noise_500_80dB_SL,sizeof(float)*EHMER_MAX); | |
124 | ||
125 | memcpy(noisecurves[4][2],noise_500_60dB_SL,sizeof(float)*EHMER_MAX); | |
126 | memcpy(noisecurves[4][4],noise_500_60dB_SL,sizeof(float)*EHMER_MAX); | |
127 | memcpy(noisecurves[4][6],noise_500_80dB_SL,sizeof(float)*EHMER_MAX); | |
128 | memcpy(noisecurves[4][8],noise_500_80dB_SL,sizeof(float)*EHMER_MAX); | |
129 | ||
130 | memcpy(noisecurves[6][2],noise_1000_60dB_SL,sizeof(float)*EHMER_MAX); | |
131 | memcpy(noisecurves[6][4],noise_1000_60dB_SL,sizeof(float)*EHMER_MAX); | |
132 | memcpy(noisecurves[6][6],noise_1000_80dB_SL,sizeof(float)*EHMER_MAX); | |
133 | memcpy(noisecurves[6][8],noise_1000_80dB_SL,sizeof(float)*EHMER_MAX); | |
134 | ||
135 | memcpy(noisecurves[8][2],noise_2000_60dB_SL,sizeof(float)*EHMER_MAX); | |
136 | memcpy(noisecurves[8][4],noise_2000_60dB_SL,sizeof(float)*EHMER_MAX); | |
137 | memcpy(noisecurves[8][6],noise_2000_80dB_SL,sizeof(float)*EHMER_MAX); | |
138 | memcpy(noisecurves[8][8],noise_2000_80dB_SL,sizeof(float)*EHMER_MAX); | |
139 | ||
140 | memcpy(noisecurves[10][2],noise_4000_60dB_SL,sizeof(float)*EHMER_MAX); | |
141 | memcpy(noisecurves[10][4],noise_4000_60dB_SL,sizeof(float)*EHMER_MAX); | |
142 | memcpy(noisecurves[10][6],noise_4000_80dB_SL,sizeof(float)*EHMER_MAX); | |
143 | memcpy(noisecurves[10][8],noise_4000_80dB_SL,sizeof(float)*EHMER_MAX); | |
144 | ||
145 | memcpy(noisecurves[12][2],noise_4000_60dB_SL,sizeof(float)*EHMER_MAX); | |
146 | memcpy(noisecurves[12][4],noise_4000_60dB_SL,sizeof(float)*EHMER_MAX); | |
147 | memcpy(noisecurves[12][6],noise_4000_80dB_SL,sizeof(float)*EHMER_MAX); | |
148 | memcpy(noisecurves[12][8],noise_4000_80dB_SL,sizeof(float)*EHMER_MAX); | |
149 | ||
150 | setup_curve(tonecurves[0],0,vi.toneatt_125Hz); | |
151 | setup_curve(tonecurves[2],2,vi.toneatt_250Hz); | |
152 | setup_curve(tonecurves[4],4,vi.toneatt_500Hz); | |
153 | setup_curve(tonecurves[6],6,vi.toneatt_1000Hz); | |
154 | setup_curve(tonecurves[8],8,vi.toneatt_2000Hz); | |
155 | setup_curve(tonecurves[10],10,vi.toneatt_4000Hz); | |
156 | setup_curve(tonecurves[12],12,vi.toneatt_8000Hz); | |
157 | ||
158 | setup_curve(noisecurves[0],0,vi.noiseatt_125Hz); | |
159 | setup_curve(noisecurves[2],2,vi.noiseatt_250Hz); | |
160 | setup_curve(noisecurves[4],4,vi.noiseatt_500Hz); | |
161 | setup_curve(noisecurves[6],6,vi.noiseatt_1000Hz); | |
162 | setup_curve(noisecurves[8],8,vi.noiseatt_2000Hz); | |
163 | setup_curve(noisecurves[10],10,vi.noiseatt_4000Hz); | |
164 | setup_curve(noisecurves[12],12,vi.noiseatt_8000Hz); | |
165 | ||
166 | for(i=1;i<13;i+=2){ | |
167 | for(j=0;j<9;j++){ | |
168 | interp_curve_dB(tonecurves[i][j], | |
169 | tonecurves[i-1][j], | |
170 | tonecurves[i+1][j],.5); | |
171 | interp_curve_dB(noisecurves[i][j], | |
172 | noisecurves[i-1][j], | |
173 | noisecurves[i+1][j],.5); | |
174 | } | |
175 | } | |
176 | for(i=0;i<5;i++){ | |
177 | peakatt[0][i]=fromdB(vi.peakatt_125Hz[i]); | |
178 | peakatt[1][i]=fromdB(vi.peakatt_250Hz[i]); | |
179 | peakatt[2][i]=fromdB(vi.peakatt_500Hz[i]); | |
180 | peakatt[3][i]=fromdB(vi.peakatt_1000Hz[i]); | |
181 | peakatt[4][i]=fromdB(vi.peakatt_2000Hz[i]); | |
182 | peakatt[5][i]=fromdB(vi.peakatt_4000Hz[i]); | |
183 | peakatt[6][i]=fromdB(vi.peakatt_8000Hz[i]); | |
184 | } | |
185 | */ | |
186 | } | |
187 | } |