2 * Copyright (C) 2000 ymnk, JCraft,Inc.
4 * Written by: 2000 ymnk<ymnk@jcraft.com>
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.
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.
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.
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.
26 package com.jcraft.jorbis;
32 float[][][] tonecurves;
34 float[][][] noisecurves;
39 void init(PsyInfo vi, int n, int rate){
42 //memset(p,0,sizeof(vorbis_look_psy));
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);
52 ath[i]=fromdB(ath[i]+vi.ath_att);
55 int oc=rint(toOC((i+.5)*rate2/n)*2.);
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 *));
69 peakatt[i]=malloc(5*sizeof(float));
73 tonecurves[i][j]=malloc(EHMER_MAX*sizeof(float));
74 noisecurves[i][j]=malloc(EHMER_MAX*sizeof(float));
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
168 interp_curve_dB(tonecurves[i][j],
170 tonecurves[i+1][j],.5);
171 interp_curve_dB(noisecurves[i][j],
173 noisecurves[i+1][j],.5);
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]);