diff options
author | Michiel Van Der Kolk <not.valid@email.address> | 2005-07-11 15:42:37 +0000 |
---|---|---|
committer | Michiel Van Der Kolk <not.valid@email.address> | 2005-07-11 15:42:37 +0000 |
commit | 9fee0ec4ca0c5b7a334cc29dbb58e76c7a4c736e (patch) | |
tree | 4c304cd4151020bd5494d279ee68a105ae3a5a3a /songdbj/com/jcraft/jorbis/PsyLook.java | |
parent | dfa8ecbe609ca8ea194d08560a44fb9a92e94b4b (diff) | |
download | rockbox-9fee0ec4ca0c5b7a334cc29dbb58e76c7a4c736e.tar.gz rockbox-9fee0ec4ca0c5b7a334cc29dbb58e76c7a4c736e.zip |
Songdb java version, source. only 1.5 compatible
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7101 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'songdbj/com/jcraft/jorbis/PsyLook.java')
-rw-r--r-- | songdbj/com/jcraft/jorbis/PsyLook.java | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/songdbj/com/jcraft/jorbis/PsyLook.java b/songdbj/com/jcraft/jorbis/PsyLook.java new file mode 100644 index 0000000000..9da85edfb1 --- /dev/null +++ b/songdbj/com/jcraft/jorbis/PsyLook.java | |||
@@ -0,0 +1,187 @@ | |||
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 | } | ||