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authorBjörn Stenberg <bjorn@haxx.se>2007-01-08 23:53:00 +0000
committerBjörn Stenberg <bjorn@haxx.se>2007-01-08 23:53:00 +0000
commit7039a05147b8bbfc829babea1c65bd436450b505 (patch)
tree4ba555eb84ed97b72b0575034d5b0530a393713e /songdbj/de/jarnbjo/vorbis/Floor.java
parent6d4c19707ef95942e323cbdc89fbbfdbe45e7cc5 (diff)
downloadrockbox-7039a05147b8bbfc829babea1c65bd436450b505.tar.gz
rockbox-7039a05147b8bbfc829babea1c65bd436450b505.zip
Splitting out songdbj
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11953 a1c6a512-1295-4272-9138-f99709370657
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diff --git a/songdbj/de/jarnbjo/vorbis/Floor.java b/songdbj/de/jarnbjo/vorbis/Floor.java
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1/*
2 * $ProjectName$
3 * $ProjectRevision$
4 * -----------------------------------------------------------
5 * $Id$
6 * -----------------------------------------------------------
7 *
8 * $Author$
9 *
10 * Description:
11 *
12 * Copyright 2002-2003 Tor-Einar Jarnbjo
13 * -----------------------------------------------------------
14 *
15 * Change History
16 * -----------------------------------------------------------
17 * $Log$
18 * Revision 1.1 2005/07/11 15:42:36 hcl
19 * Songdb java version, source. only 1.5 compatible
20 *
21 * Revision 1.1.1.1 2004/04/04 22:09:12 shred
22 * First Import
23 *
24 * Revision 1.3 2003/04/10 19:49:04 jarnbjo
25 * no message
26 *
27 * Revision 1.2 2003/03/16 01:11:12 jarnbjo
28 * no message
29 *
30 *
31 */
32
33package de.jarnbjo.vorbis;
34
35import java.io.IOException;
36
37import de.jarnbjo.util.io.BitInputStream;
38
39
40public abstract class Floor {
41
42 public final static float[] DB_STATIC_TABLE={
43 1.0649863e-07f, 1.1341951e-07f, 1.2079015e-07f, 1.2863978e-07f,
44 1.3699951e-07f, 1.4590251e-07f, 1.5538408e-07f, 1.6548181e-07f,
45 1.7623575e-07f, 1.8768855e-07f, 1.9988561e-07f, 2.128753e-07f,
46 2.2670913e-07f, 2.4144197e-07f, 2.5713223e-07f, 2.7384213e-07f,
47 2.9163793e-07f, 3.1059021e-07f, 3.3077411e-07f, 3.5226968e-07f,
48 3.7516214e-07f, 3.9954229e-07f, 4.2550680e-07f, 4.5315863e-07f,
49 4.8260743e-07f, 5.1396998e-07f, 5.4737065e-07f, 5.8294187e-07f,
50 6.2082472e-07f, 6.6116941e-07f, 7.0413592e-07f, 7.4989464e-07f,
51 7.9862701e-07f, 8.5052630e-07f, 9.0579828e-07f, 9.6466216e-07f,
52 1.0273513e-06f, 1.0941144e-06f, 1.1652161e-06f, 1.2409384e-06f,
53 1.3215816e-06f, 1.4074654e-06f, 1.4989305e-06f, 1.5963394e-06f,
54 1.7000785e-06f, 1.8105592e-06f, 1.9282195e-06f, 2.0535261e-06f,
55 2.1869758e-06f, 2.3290978e-06f, 2.4804557e-06f, 2.6416497e-06f,
56 2.8133190e-06f, 2.9961443e-06f, 3.1908506e-06f, 3.3982101e-06f,
57 3.6190449e-06f, 3.8542308e-06f, 4.1047004e-06f, 4.3714470e-06f,
58 4.6555282e-06f, 4.9580707e-06f, 5.2802740e-06f, 5.6234160e-06f,
59 5.9888572e-06f, 6.3780469e-06f, 6.7925283e-06f, 7.2339451e-06f,
60 7.7040476e-06f, 8.2047000e-06f, 8.7378876e-06f, 9.3057248e-06f,
61 9.9104632e-06f, 1.0554501e-05f, 1.1240392e-05f, 1.1970856e-05f,
62 1.2748789e-05f, 1.3577278e-05f, 1.4459606e-05f, 1.5399272e-05f,
63 1.6400004e-05f, 1.7465768e-05f, 1.8600792e-05f, 1.9809576e-05f,
64 2.1096914e-05f, 2.2467911e-05f, 2.3928002e-05f, 2.5482978e-05f,
65 2.7139006e-05f, 2.8902651e-05f, 3.0780908e-05f, 3.2781225e-05f,
66 3.4911534e-05f, 3.7180282e-05f, 3.9596466e-05f, 4.2169667e-05f,
67 4.4910090e-05f, 4.7828601e-05f, 5.0936773e-05f, 5.4246931e-05f,
68 5.7772202e-05f, 6.1526565e-05f, 6.5524908e-05f, 6.9783085e-05f,
69 7.4317983e-05f, 7.9147585e-05f, 8.4291040e-05f, 8.9768747e-05f,
70 9.5602426e-05f, 0.00010181521f, 0.00010843174f, 0.00011547824f,
71 0.00012298267f, 0.00013097477f, 0.00013948625f, 0.00014855085f,
72 0.00015820453f, 0.00016848555f, 0.00017943469f, 0.00019109536f,
73 0.00020351382f, 0.00021673929f, 0.00023082423f, 0.00024582449f,
74 0.00026179955f, 0.00027881276f, 0.00029693158f, 0.00031622787f,
75 0.00033677814f, 0.00035866388f, 0.00038197188f, 0.00040679456f,
76 0.00043323036f, 0.00046138411f, 0.00049136745f, 0.00052329927f,
77 0.00055730621f, 0.00059352311f, 0.00063209358f, 0.00067317058f,
78 0.00071691700f, 0.00076350630f, 0.00081312324f, 0.00086596457f,
79 0.00092223983f, 0.00098217216f, 0.0010459992f, 0.0011139742f,
80 0.0011863665f, 0.0012634633f, 0.0013455702f, 0.0014330129f,
81 0.0015261382f, 0.0016253153f, 0.0017309374f, 0.0018434235f,
82 0.0019632195f, 0.0020908006f, 0.0022266726f, 0.0023713743f,
83 0.0025254795f, 0.0026895994f, 0.0028643847f, 0.0030505286f,
84 0.0032487691f, 0.0034598925f, 0.0036847358f, 0.0039241906f,
85 0.0041792066f, 0.0044507950f, 0.0047400328f, 0.0050480668f,
86 0.0053761186f, 0.0057254891f, 0.0060975636f, 0.0064938176f,
87 0.0069158225f, 0.0073652516f, 0.0078438871f, 0.0083536271f,
88 0.0088964928f, 0.009474637f, 0.010090352f, 0.010746080f,
89 0.011444421f, 0.012188144f, 0.012980198f, 0.013823725f,
90 0.014722068f, 0.015678791f, 0.016697687f, 0.017782797f,
91 0.018938423f, 0.020169149f, 0.021479854f, 0.022875735f,
92 0.024362330f, 0.025945531f, 0.027631618f, 0.029427276f,
93 0.031339626f, 0.033376252f, 0.035545228f, 0.037855157f,
94 0.040315199f, 0.042935108f, 0.045725273f, 0.048696758f,
95 0.051861348f, 0.055231591f, 0.058820850f, 0.062643361f,
96 0.066714279f, 0.071049749f, 0.075666962f, 0.080584227f,
97 0.085821044f, 0.091398179f, 0.097337747f, 0.10366330f,
98 0.11039993f, 0.11757434f, 0.12521498f, 0.13335215f,
99 0.14201813f, 0.15124727f, 0.16107617f, 0.17154380f,
100 0.18269168f, 0.19456402f, 0.20720788f, 0.22067342f,
101 0.23501402f, 0.25028656f, 0.26655159f, 0.28387361f,
102 0.30232132f, 0.32196786f, 0.34289114f, 0.36517414f,
103 0.38890521f, 0.41417847f, 0.44109412f, 0.46975890f,
104 0.50028648f, 0.53279791f, 0.56742212f, 0.60429640f,
105 0.64356699f, 0.68538959f, 0.72993007f, 0.77736504f,
106 0.82788260f, 0.88168307f, 0.9389798f, 1.0f};
107
108 static Floor createInstance(BitInputStream source, SetupHeader header) throws VorbisFormatException, IOException {
109
110 int type=source.getInt(16);
111 switch(type) {
112 case 0:
113 return new Floor0(source, header);
114 case 1:
115 return new Floor1(source, header);
116 default:
117 throw new VorbisFormatException("Floor type "+type+" is not supported.");
118 }
119 }
120
121 abstract int getType();
122 abstract Floor decodeFloor(VorbisStream vorbis, BitInputStream source) throws VorbisFormatException, IOException;
123 abstract void computeFloor(float[] vector);
124} \ No newline at end of file