2 * 11/19/04 1.0 moved to LGPL.
4 * 29/05/01 Michael Scheerer, Fixed some C++ to Java porting bugs.
6 * 16/07/01 Michael Scheerer, Catched a bug in method
7 * read_sampledata, which causes an outOfIndexException.
9 * 12/12/99 Initial version. Adapted from javalayer.java
10 * and Subband*.java. mdm@techie.com
12 * 02/28/99 Initial version : javalayer.java by E.B
13 *-----------------------------------------------------------------------
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU Library General Public License as published
16 * by the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU Library General Public License for more details.
24 * You should have received a copy of the GNU Library General Public
25 * License along with this program; if not, write to the Free Software
26 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
27 *----------------------------------------------------------------------
31 * Implements decoding of MPEG Audio Layer II frames.
33 @LATTICE("SB<H,H<SH,SH*,,SB*")
34 @METHODDEFAULT("MODE<THIS,THIS<C,C<IN,THISLOC=THIS,C*")
35 class LayerIIDecoder extends LayerIDecoder implements FrameDecoder {
37 public LayerIIDecoder() {
40 protected void createSubbands() {
41 @LOC("THIS,LayerIIDecoder.SB") int i;
42 if (mode == Header.SINGLE_CHANNEL)
43 for (i = 0; i < num_subbands; ++i)
44 subbands[i] = new SubbandLayer2(i);
45 else if (mode == Header.JOINT_STEREO) {
46 for (i = 0; i < header.intensity_stereo_bound(); ++i)
47 subbands[i] = new SubbandLayer2Stereo(i);
48 for (; i < num_subbands; ++i)
49 subbands[i] = new SubbandLayer2IntensityStereo(i);
51 for (i = 0; i < num_subbands; ++i)
52 subbands[i] = new SubbandLayer2Stereo(i);
57 protected void readScaleFactorSelection() {
58 // eom note: num_subbands is defined in LayerIDecoder so it has (THIS,
60 for (@LOC("THIS,LayerIIDecoder.SB") int i = 0; i < num_subbands; ++i) {
61 ((SubbandLayer2) subbands[i]).read_scalefactor_selection(stream, crc);
66 * Class for layer II subbands in single channel mode.
68 @LATTICE("S<L,L<H,L<SM,SM<H,H<SH,F,ARR,GN,SN,SH*,SM*")
69 @METHODDEFAULT("OUT<V,V<THIS,THIS<C,C<IN,C*,THISLOC=THIS,RETURNLOC=OUT")
70 static class SubbandLayer2 extends Subband {
71 // this table contains 3 requantized samples for each legal codeword
72 // when grouped in 5 bits, i.e. 3 quantizationsteps per sample
73 public static final float grouping_5bits[] = new float[] { -2.0f / 3.0f, -2.0f / 3.0f,
74 -2.0f / 3.0f, 0.0f, -2.0f / 3.0f, -2.0f / 3.0f, 2.0f / 3.0f, -2.0f / 3.0f, -2.0f / 3.0f,
75 -2.0f / 3.0f, 0.0f, -2.0f / 3.0f, 0.0f, 0.0f, -2.0f / 3.0f, 2.0f / 3.0f, 0.0f,
76 -2.0f / 3.0f, -2.0f / 3.0f, 2.0f / 3.0f, -2.0f / 3.0f, 0.0f, 2.0f / 3.0f, -2.0f / 3.0f,
77 2.0f / 3.0f, 2.0f / 3.0f, -2.0f / 3.0f, -2.0f / 3.0f, -2.0f / 3.0f, 0.0f, 0.0f,
78 -2.0f / 3.0f, 0.0f, 2.0f / 3.0f, -2.0f / 3.0f, 0.0f, -2.0f / 3.0f, 0.0f, 0.0f, 0.0f, 0.0f,
79 0.0f, 2.0f / 3.0f, 0.0f, 0.0f, -2.0f / 3.0f, 2.0f / 3.0f, 0.0f, 0.0f, 2.0f / 3.0f, 0.0f,
80 2.0f / 3.0f, 2.0f / 3.0f, 0.0f, -2.0f / 3.0f, -2.0f / 3.0f, 2.0f / 3.0f, 0.0f,
81 -2.0f / 3.0f, 2.0f / 3.0f, 2.0f / 3.0f, -2.0f / 3.0f, 2.0f / 3.0f, -2.0f / 3.0f, 0.0f,
82 2.0f / 3.0f, 0.0f, 0.0f, 2.0f / 3.0f, 2.0f / 3.0f, 0.0f, 2.0f / 3.0f, -2.0f / 3.0f,
83 2.0f / 3.0f, 2.0f / 3.0f, 0.0f, 2.0f / 3.0f, 2.0f / 3.0f, 2.0f / 3.0f, 2.0f / 3.0f,
86 // this table contains 3 requantized samples for each legal codeword
87 // when grouped in 7 bits, i.e. 5 quantizationsteps per sample
88 public static final float grouping_7bits[] = new float[] { -0.8f, -0.8f, -0.8f, -0.4f, -0.8f,
89 -0.8f, 0.0f, -0.8f, -0.8f, 0.4f, -0.8f, -0.8f, 0.8f, -0.8f, -0.8f, -0.8f, -0.4f, -0.8f,
90 -0.4f, -0.4f, -0.8f, 0.0f, -0.4f, -0.8f, 0.4f, -0.4f, -0.8f, 0.8f, -0.4f, -0.8f, -0.8f,
91 0.0f, -0.8f, -0.4f, 0.0f, -0.8f, 0.0f, 0.0f, -0.8f, 0.4f, 0.0f, -0.8f, 0.8f, 0.0f, -0.8f,
92 -0.8f, 0.4f, -0.8f, -0.4f, 0.4f, -0.8f, 0.0f, 0.4f, -0.8f, 0.4f, 0.4f, -0.8f, 0.8f, 0.4f,
93 -0.8f, -0.8f, 0.8f, -0.8f, -0.4f, 0.8f, -0.8f, 0.0f, 0.8f, -0.8f, 0.4f, 0.8f, -0.8f, 0.8f,
94 0.8f, -0.8f, -0.8f, -0.8f, -0.4f, -0.4f, -0.8f, -0.4f, 0.0f, -0.8f, -0.4f, 0.4f, -0.8f,
95 -0.4f, 0.8f, -0.8f, -0.4f, -0.8f, -0.4f, -0.4f, -0.4f, -0.4f, -0.4f, 0.0f, -0.4f, -0.4f,
96 0.4f, -0.4f, -0.4f, 0.8f, -0.4f, -0.4f, -0.8f, 0.0f, -0.4f, -0.4f, 0.0f, -0.4f, 0.0f, 0.0f,
97 -0.4f, 0.4f, 0.0f, -0.4f, 0.8f, 0.0f, -0.4f, -0.8f, 0.4f, -0.4f, -0.4f, 0.4f, -0.4f, 0.0f,
98 0.4f, -0.4f, 0.4f, 0.4f, -0.4f, 0.8f, 0.4f, -0.4f, -0.8f, 0.8f, -0.4f, -0.4f, 0.8f, -0.4f,
99 0.0f, 0.8f, -0.4f, 0.4f, 0.8f, -0.4f, 0.8f, 0.8f, -0.4f, -0.8f, -0.8f, 0.0f, -0.4f, -0.8f,
100 0.0f, 0.0f, -0.8f, 0.0f, 0.4f, -0.8f, 0.0f, 0.8f, -0.8f, 0.0f, -0.8f, -0.4f, 0.0f, -0.4f,
101 -0.4f, 0.0f, 0.0f, -0.4f, 0.0f, 0.4f, -0.4f, 0.0f, 0.8f, -0.4f, 0.0f, -0.8f, 0.0f, 0.0f,
102 -0.4f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.4f, 0.0f, 0.0f, 0.8f, 0.0f, 0.0f, -0.8f, 0.4f, 0.0f,
103 -0.4f, 0.4f, 0.0f, 0.0f, 0.4f, 0.0f, 0.4f, 0.4f, 0.0f, 0.8f, 0.4f, 0.0f, -0.8f, 0.8f, 0.0f,
104 -0.4f, 0.8f, 0.0f, 0.0f, 0.8f, 0.0f, 0.4f, 0.8f, 0.0f, 0.8f, 0.8f, 0.0f, -0.8f, -0.8f,
105 0.4f, -0.4f, -0.8f, 0.4f, 0.0f, -0.8f, 0.4f, 0.4f, -0.8f, 0.4f, 0.8f, -0.8f, 0.4f, -0.8f,
106 -0.4f, 0.4f, -0.4f, -0.4f, 0.4f, 0.0f, -0.4f, 0.4f, 0.4f, -0.4f, 0.4f, 0.8f, -0.4f, 0.4f,
107 -0.8f, 0.0f, 0.4f, -0.4f, 0.0f, 0.4f, 0.0f, 0.0f, 0.4f, 0.4f, 0.0f, 0.4f, 0.8f, 0.0f, 0.4f,
108 -0.8f, 0.4f, 0.4f, -0.4f, 0.4f, 0.4f, 0.0f, 0.4f, 0.4f, 0.4f, 0.4f, 0.4f, 0.8f, 0.4f, 0.4f,
109 -0.8f, 0.8f, 0.4f, -0.4f, 0.8f, 0.4f, 0.0f, 0.8f, 0.4f, 0.4f, 0.8f, 0.4f, 0.8f, 0.8f, 0.4f,
110 -0.8f, -0.8f, 0.8f, -0.4f, -0.8f, 0.8f, 0.0f, -0.8f, 0.8f, 0.4f, -0.8f, 0.8f, 0.8f, -0.8f,
111 0.8f, -0.8f, -0.4f, 0.8f, -0.4f, -0.4f, 0.8f, 0.0f, -0.4f, 0.8f, 0.4f, -0.4f, 0.8f, 0.8f,
112 -0.4f, 0.8f, -0.8f, 0.0f, 0.8f, -0.4f, 0.0f, 0.8f, 0.0f, 0.0f, 0.8f, 0.4f, 0.0f, 0.8f,
113 0.8f, 0.0f, 0.8f, -0.8f, 0.4f, 0.8f, -0.4f, 0.4f, 0.8f, 0.0f, 0.4f, 0.8f, 0.4f, 0.4f, 0.8f,
114 0.8f, 0.4f, 0.8f, -0.8f, 0.8f, 0.8f, -0.4f, 0.8f, 0.8f, 0.0f, 0.8f, 0.8f, 0.4f, 0.8f, 0.8f,
117 // this table contains 3 requantized samples for each legal codeword
118 // when grouped in 10 bits, i.e. 9 quantizationsteps per sample
119 public static final float grouping_10bits[] = { -8.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f,
120 -6.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f,
121 -2.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f, 0.0f, -8.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f,
122 -8.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f,
123 -8.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f,
124 -6.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f,
125 -6.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, 0.0f, -6.0f / 9.0f,
126 -8.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f, -6.0f / 9.0f,
127 -8.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f,
128 -8.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f,
129 -8.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f,
130 -8.0f / 9.0f, 0.0f, -4.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f,
131 4.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f,
132 8.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f,
133 -6.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f,
134 -2.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f, 0.0f, -2.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f,
135 -2.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f,
136 -2.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f, 0.0f,
137 -8.0f / 9.0f, -6.0f / 9.0f, 0.0f, -8.0f / 9.0f, -4.0f / 9.0f, 0.0f, -8.0f / 9.0f,
138 -2.0f / 9.0f, 0.0f, -8.0f / 9.0f, 0.0f, 0.0f, -8.0f / 9.0f, 2.0f / 9.0f, 0.0f,
139 -8.0f / 9.0f, 4.0f / 9.0f, 0.0f, -8.0f / 9.0f, 6.0f / 9.0f, 0.0f, -8.0f / 9.0f,
140 8.0f / 9.0f, 0.0f, -8.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f,
141 2.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f,
142 2.0f / 9.0f, -8.0f / 9.0f, 0.0f, 2.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f,
143 -8.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f,
144 -8.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f,
145 -8.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f,
146 -8.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, 0.0f, 4.0f / 9.0f, -8.0f / 9.0f,
147 2.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f,
148 6.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f,
149 -8.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f,
150 -4.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f, 0.0f,
151 6.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f,
152 6.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f,
153 6.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f,
154 8.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f,
155 8.0f / 9.0f, -8.0f / 9.0f, 0.0f, 8.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f,
156 -8.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f, 8.0f / 9.0f,
157 -8.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f,
158 -6.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f,
159 -6.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f, 0.0f, -8.0f / 9.0f, -6.0f / 9.0f,
160 2.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f,
161 6.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f,
162 -8.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f,
163 -4.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, 0.0f,
164 -6.0f / 9.0f, -6.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f,
165 -6.0f / 9.0f, -6.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, 8.0f / 9.0f,
166 -6.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f,
167 -4.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f,
168 -4.0f / 9.0f, -6.0f / 9.0f, 0.0f, -4.0f / 9.0f, -6.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f,
169 -6.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f,
170 -6.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f,
171 -6.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f,
172 -6.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, 0.0f, -2.0f / 9.0f, -6.0f / 9.0f,
173 2.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f,
174 6.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f,
175 -8.0f / 9.0f, 0.0f, -6.0f / 9.0f, -6.0f / 9.0f, 0.0f, -6.0f / 9.0f, -4.0f / 9.0f, 0.0f,
176 -6.0f / 9.0f, -2.0f / 9.0f, 0.0f, -6.0f / 9.0f, 0.0f, 0.0f, -6.0f / 9.0f, 2.0f / 9.0f,
177 0.0f, -6.0f / 9.0f, 4.0f / 9.0f, 0.0f, -6.0f / 9.0f, 6.0f / 9.0f, 0.0f, -6.0f / 9.0f,
178 8.0f / 9.0f, 0.0f, -6.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f,
179 2.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f,
180 2.0f / 9.0f, -6.0f / 9.0f, 0.0f, 2.0f / 9.0f, -6.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f,
181 -6.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f,
182 -6.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f,
183 -6.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f,
184 -6.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f, -6.0f / 9.0f, 0.0f, 4.0f / 9.0f, -6.0f / 9.0f,
185 2.0f / 9.0f, 4.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, -6.0f / 9.0f,
186 6.0f / 9.0f, 4.0f / 9.0f, -6.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, -6.0f / 9.0f,
187 -8.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f,
188 -4.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f, 0.0f,
189 6.0f / 9.0f, -6.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f,
190 6.0f / 9.0f, -6.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f, 8.0f / 9.0f,
191 6.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f,
192 8.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f,
193 8.0f / 9.0f, -6.0f / 9.0f, 0.0f, 8.0f / 9.0f, -6.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f,
194 -6.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f, 6.0f / 9.0f, 8.0f / 9.0f,
195 -6.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f,
196 -4.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f,
197 -4.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, 0.0f, -8.0f / 9.0f, -4.0f / 9.0f,
198 2.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f,
199 6.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f,
200 -8.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f,
201 -4.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, 0.0f,
202 -6.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f,
203 -6.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f,
204 -6.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f,
205 -4.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f,
206 -4.0f / 9.0f, -4.0f / 9.0f, 0.0f, -4.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f,
207 -4.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f,
208 -4.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f,
209 -4.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f,
210 -4.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, 0.0f, -2.0f / 9.0f, -4.0f / 9.0f,
211 2.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f,
212 6.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f,
213 -8.0f / 9.0f, 0.0f, -4.0f / 9.0f, -6.0f / 9.0f, 0.0f, -4.0f / 9.0f, -4.0f / 9.0f, 0.0f,
214 -4.0f / 9.0f, -2.0f / 9.0f, 0.0f, -4.0f / 9.0f, 0.0f, 0.0f, -4.0f / 9.0f, 2.0f / 9.0f,
215 0.0f, -4.0f / 9.0f, 4.0f / 9.0f, 0.0f, -4.0f / 9.0f, 6.0f / 9.0f, 0.0f, -4.0f / 9.0f,
216 8.0f / 9.0f, 0.0f, -4.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f,
217 2.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f,
218 2.0f / 9.0f, -4.0f / 9.0f, 0.0f, 2.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f,
219 -4.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f,
220 -4.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f,
221 -4.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f,
222 -4.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, 0.0f, 4.0f / 9.0f, -4.0f / 9.0f,
223 2.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f,
224 6.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f,
225 -8.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f,
226 -4.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f, 0.0f,
227 6.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f,
228 6.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f,
229 6.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f,
230 8.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f,
231 8.0f / 9.0f, -4.0f / 9.0f, 0.0f, 8.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f,
232 -4.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f, 8.0f / 9.0f,
233 -4.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f,
234 -2.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f,
235 -2.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f, 0.0f, -8.0f / 9.0f, -2.0f / 9.0f,
236 2.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f,
237 6.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f,
238 -8.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f,
239 -4.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, 0.0f,
240 -6.0f / 9.0f, -2.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f,
241 -6.0f / 9.0f, -2.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f,
242 -6.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f,
243 -4.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f,
244 -4.0f / 9.0f, -2.0f / 9.0f, 0.0f, -4.0f / 9.0f, -2.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f,
245 -2.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f,
246 -2.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f,
247 -2.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f,
248 -2.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f, 0.0f, -2.0f / 9.0f, -2.0f / 9.0f,
249 2.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f,
250 6.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f,
251 -8.0f / 9.0f, 0.0f, -2.0f / 9.0f, -6.0f / 9.0f, 0.0f, -2.0f / 9.0f, -4.0f / 9.0f, 0.0f,
252 -2.0f / 9.0f, -2.0f / 9.0f, 0.0f, -2.0f / 9.0f, 0.0f, 0.0f, -2.0f / 9.0f, 2.0f / 9.0f,
253 0.0f, -2.0f / 9.0f, 4.0f / 9.0f, 0.0f, -2.0f / 9.0f, 6.0f / 9.0f, 0.0f, -2.0f / 9.0f,
254 8.0f / 9.0f, 0.0f, -2.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f,
255 2.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f,
256 2.0f / 9.0f, -2.0f / 9.0f, 0.0f, 2.0f / 9.0f, -2.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f,
257 -2.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f, -2.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f,
258 -2.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f,
259 -2.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f,
260 -2.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f, 0.0f, 4.0f / 9.0f, -2.0f / 9.0f,
261 2.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f,
262 6.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f,
263 -8.0f / 9.0f, 6.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, 6.0f / 9.0f, -2.0f / 9.0f,
264 -4.0f / 9.0f, 6.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f, 6.0f / 9.0f, -2.0f / 9.0f, 0.0f,
265 6.0f / 9.0f, -2.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f,
266 6.0f / 9.0f, -2.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f,
267 6.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f,
268 8.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f,
269 8.0f / 9.0f, -2.0f / 9.0f, 0.0f, 8.0f / 9.0f, -2.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f,
270 -2.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f, 6.0f / 9.0f, 8.0f / 9.0f,
271 -2.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f, 0.0f,
272 -6.0f / 9.0f, -8.0f / 9.0f, 0.0f, -4.0f / 9.0f, -8.0f / 9.0f, 0.0f, -2.0f / 9.0f,
273 -8.0f / 9.0f, 0.0f, 0.0f, -8.0f / 9.0f, 0.0f, 2.0f / 9.0f, -8.0f / 9.0f, 0.0f, 4.0f / 9.0f,
274 -8.0f / 9.0f, 0.0f, 6.0f / 9.0f, -8.0f / 9.0f, 0.0f, 8.0f / 9.0f, -8.0f / 9.0f, 0.0f,
275 -8.0f / 9.0f, -6.0f / 9.0f, 0.0f, -6.0f / 9.0f, -6.0f / 9.0f, 0.0f, -4.0f / 9.0f,
276 -6.0f / 9.0f, 0.0f, -2.0f / 9.0f, -6.0f / 9.0f, 0.0f, 0.0f, -6.0f / 9.0f, 0.0f,
277 2.0f / 9.0f, -6.0f / 9.0f, 0.0f, 4.0f / 9.0f, -6.0f / 9.0f, 0.0f, 6.0f / 9.0f,
278 -6.0f / 9.0f, 0.0f, 8.0f / 9.0f, -6.0f / 9.0f, 0.0f, -8.0f / 9.0f, -4.0f / 9.0f, 0.0f,
279 -6.0f / 9.0f, -4.0f / 9.0f, 0.0f, -4.0f / 9.0f, -4.0f / 9.0f, 0.0f, -2.0f / 9.0f,
280 -4.0f / 9.0f, 0.0f, 0.0f, -4.0f / 9.0f, 0.0f, 2.0f / 9.0f, -4.0f / 9.0f, 0.0f, 4.0f / 9.0f,
281 -4.0f / 9.0f, 0.0f, 6.0f / 9.0f, -4.0f / 9.0f, 0.0f, 8.0f / 9.0f, -4.0f / 9.0f, 0.0f,
282 -8.0f / 9.0f, -2.0f / 9.0f, 0.0f, -6.0f / 9.0f, -2.0f / 9.0f, 0.0f, -4.0f / 9.0f,
283 -2.0f / 9.0f, 0.0f, -2.0f / 9.0f, -2.0f / 9.0f, 0.0f, 0.0f, -2.0f / 9.0f, 0.0f,
284 2.0f / 9.0f, -2.0f / 9.0f, 0.0f, 4.0f / 9.0f, -2.0f / 9.0f, 0.0f, 6.0f / 9.0f,
285 -2.0f / 9.0f, 0.0f, 8.0f / 9.0f, -2.0f / 9.0f, 0.0f, -8.0f / 9.0f, 0.0f, 0.0f,
286 -6.0f / 9.0f, 0.0f, 0.0f, -4.0f / 9.0f, 0.0f, 0.0f, -2.0f / 9.0f, 0.0f, 0.0f, 0.0f, 0.0f,
287 0.0f, 2.0f / 9.0f, 0.0f, 0.0f, 4.0f / 9.0f, 0.0f, 0.0f, 6.0f / 9.0f, 0.0f, 0.0f,
288 8.0f / 9.0f, 0.0f, 0.0f, -8.0f / 9.0f, 2.0f / 9.0f, 0.0f, -6.0f / 9.0f, 2.0f / 9.0f, 0.0f,
289 -4.0f / 9.0f, 2.0f / 9.0f, 0.0f, -2.0f / 9.0f, 2.0f / 9.0f, 0.0f, 0.0f, 2.0f / 9.0f, 0.0f,
290 2.0f / 9.0f, 2.0f / 9.0f, 0.0f, 4.0f / 9.0f, 2.0f / 9.0f, 0.0f, 6.0f / 9.0f, 2.0f / 9.0f,
291 0.0f, 8.0f / 9.0f, 2.0f / 9.0f, 0.0f, -8.0f / 9.0f, 4.0f / 9.0f, 0.0f, -6.0f / 9.0f,
292 4.0f / 9.0f, 0.0f, -4.0f / 9.0f, 4.0f / 9.0f, 0.0f, -2.0f / 9.0f, 4.0f / 9.0f, 0.0f, 0.0f,
293 4.0f / 9.0f, 0.0f, 2.0f / 9.0f, 4.0f / 9.0f, 0.0f, 4.0f / 9.0f, 4.0f / 9.0f, 0.0f,
294 6.0f / 9.0f, 4.0f / 9.0f, 0.0f, 8.0f / 9.0f, 4.0f / 9.0f, 0.0f, -8.0f / 9.0f, 6.0f / 9.0f,
295 0.0f, -6.0f / 9.0f, 6.0f / 9.0f, 0.0f, -4.0f / 9.0f, 6.0f / 9.0f, 0.0f, -2.0f / 9.0f,
296 6.0f / 9.0f, 0.0f, 0.0f, 6.0f / 9.0f, 0.0f, 2.0f / 9.0f, 6.0f / 9.0f, 0.0f, 4.0f / 9.0f,
297 6.0f / 9.0f, 0.0f, 6.0f / 9.0f, 6.0f / 9.0f, 0.0f, 8.0f / 9.0f, 6.0f / 9.0f, 0.0f,
298 -8.0f / 9.0f, 8.0f / 9.0f, 0.0f, -6.0f / 9.0f, 8.0f / 9.0f, 0.0f, -4.0f / 9.0f,
299 8.0f / 9.0f, 0.0f, -2.0f / 9.0f, 8.0f / 9.0f, 0.0f, 0.0f, 8.0f / 9.0f, 0.0f, 2.0f / 9.0f,
300 8.0f / 9.0f, 0.0f, 4.0f / 9.0f, 8.0f / 9.0f, 0.0f, 6.0f / 9.0f, 8.0f / 9.0f, 0.0f,
301 8.0f / 9.0f, 8.0f / 9.0f, 0.0f, -8.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f,
302 -8.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f, -2.0f / 9.0f,
303 -8.0f / 9.0f, 2.0f / 9.0f, 0.0f, -8.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f, -8.0f / 9.0f,
304 2.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f,
305 2.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f,
306 2.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f,
307 2.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, 2.0f / 9.0f, 0.0f, -6.0f / 9.0f, 2.0f / 9.0f,
308 2.0f / 9.0f, -6.0f / 9.0f, 2.0f / 9.0f, 4.0f / 9.0f, -6.0f / 9.0f, 2.0f / 9.0f,
309 6.0f / 9.0f, -6.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f, 2.0f / 9.0f,
310 -8.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f,
311 -4.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, 0.0f,
312 -4.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, 4.0f / 9.0f,
313 -4.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f,
314 -4.0f / 9.0f, 2.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f,
315 -2.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f, 2.0f / 9.0f, -2.0f / 9.0f,
316 -2.0f / 9.0f, 2.0f / 9.0f, 0.0f, -2.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f, -2.0f / 9.0f,
317 2.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f, -2.0f / 9.0f,
318 2.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f, 2.0f / 9.0f, -8.0f / 9.0f, 0.0f, 2.0f / 9.0f,
319 -6.0f / 9.0f, 0.0f, 2.0f / 9.0f, -4.0f / 9.0f, 0.0f, 2.0f / 9.0f, -2.0f / 9.0f, 0.0f,
320 2.0f / 9.0f, 0.0f, 0.0f, 2.0f / 9.0f, 2.0f / 9.0f, 0.0f, 2.0f / 9.0f, 4.0f / 9.0f, 0.0f,
321 2.0f / 9.0f, 6.0f / 9.0f, 0.0f, 2.0f / 9.0f, 8.0f / 9.0f, 0.0f, 2.0f / 9.0f, -8.0f / 9.0f,
322 2.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f,
323 2.0f / 9.0f, 2.0f / 9.0f, -2.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f, 0.0f, 2.0f / 9.0f,
324 2.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f,
325 6.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f, -8.0f / 9.0f,
326 4.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f,
327 4.0f / 9.0f, 2.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f, 0.0f, 4.0f / 9.0f,
328 2.0f / 9.0f, 2.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f,
329 6.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f, -8.0f / 9.0f,
330 6.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f,
331 6.0f / 9.0f, 2.0f / 9.0f, -2.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f, 0.0f, 6.0f / 9.0f,
332 2.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f,
333 6.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f, -8.0f / 9.0f,
334 8.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f,
335 8.0f / 9.0f, 2.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, 0.0f, 8.0f / 9.0f,
336 2.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f,
337 6.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, -8.0f / 9.0f,
338 -8.0f / 9.0f, 4.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f,
339 -8.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f, 0.0f, -8.0f / 9.0f,
340 4.0f / 9.0f, 2.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f,
341 4.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f,
342 4.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f,
343 4.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f,
344 4.0f / 9.0f, 0.0f, -6.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f,
345 4.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f,
346 8.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f,
347 -6.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f,
348 -2.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f, 0.0f, -4.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f,
349 -4.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f,
350 -4.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f,
351 -2.0f / 9.0f, 4.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f,
352 -2.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f, 0.0f, -2.0f / 9.0f,
353 4.0f / 9.0f, 2.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f,
354 4.0f / 9.0f, 6.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f,
355 4.0f / 9.0f, -8.0f / 9.0f, 0.0f, 4.0f / 9.0f, -6.0f / 9.0f, 0.0f, 4.0f / 9.0f,
356 -4.0f / 9.0f, 0.0f, 4.0f / 9.0f, -2.0f / 9.0f, 0.0f, 4.0f / 9.0f, 0.0f, 0.0f, 4.0f / 9.0f,
357 2.0f / 9.0f, 0.0f, 4.0f / 9.0f, 4.0f / 9.0f, 0.0f, 4.0f / 9.0f, 6.0f / 9.0f, 0.0f,
358 4.0f / 9.0f, 8.0f / 9.0f, 0.0f, 4.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f, 4.0f / 9.0f,
359 -6.0f / 9.0f, 2.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, 4.0f / 9.0f,
360 -2.0f / 9.0f, 2.0f / 9.0f, 4.0f / 9.0f, 0.0f, 2.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f,
361 2.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f,
362 4.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f,
363 -6.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f,
364 -2.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, 0.0f, 4.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f,
365 4.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f,
366 4.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f,
367 -6.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f,
368 -2.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f, 0.0f, 6.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f,
369 6.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f,
370 4.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f,
371 -6.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f,
372 -2.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, 0.0f, 8.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f,
373 8.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f, 8.0f / 9.0f,
374 4.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f,
375 6.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f,
376 6.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f, 0.0f, -8.0f / 9.0f, 6.0f / 9.0f,
377 2.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f,
378 6.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f,
379 -8.0f / 9.0f, -6.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, 6.0f / 9.0f,
380 -4.0f / 9.0f, -6.0f / 9.0f, 6.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, 6.0f / 9.0f, 0.0f,
381 -6.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f,
382 -6.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f, 6.0f / 9.0f, 8.0f / 9.0f,
383 -6.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f,
384 -4.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f, -2.0f / 9.0f,
385 -4.0f / 9.0f, 6.0f / 9.0f, 0.0f, -4.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f,
386 6.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f,
387 6.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f,
388 6.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f,
389 6.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f, 6.0f / 9.0f, 0.0f, -2.0f / 9.0f, 6.0f / 9.0f,
390 2.0f / 9.0f, -2.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f, 6.0f / 9.0f,
391 6.0f / 9.0f, -2.0f / 9.0f, 6.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f, 6.0f / 9.0f,
392 -8.0f / 9.0f, 0.0f, 6.0f / 9.0f, -6.0f / 9.0f, 0.0f, 6.0f / 9.0f, -4.0f / 9.0f, 0.0f,
393 6.0f / 9.0f, -2.0f / 9.0f, 0.0f, 6.0f / 9.0f, 0.0f, 0.0f, 6.0f / 9.0f, 2.0f / 9.0f, 0.0f,
394 6.0f / 9.0f, 4.0f / 9.0f, 0.0f, 6.0f / 9.0f, 6.0f / 9.0f, 0.0f, 6.0f / 9.0f, 8.0f / 9.0f,
395 0.0f, 6.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f, 2.0f / 9.0f,
396 6.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f, -2.0f / 9.0f, 2.0f / 9.0f,
397 6.0f / 9.0f, 0.0f, 2.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f,
398 4.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f, 8.0f / 9.0f,
399 2.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f,
400 4.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f, -2.0f / 9.0f,
401 4.0f / 9.0f, 6.0f / 9.0f, 0.0f, 4.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f, 4.0f / 9.0f,
402 6.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f,
403 8.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f,
404 -6.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f,
405 -2.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f, 0.0f, 6.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f,
406 6.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f,
407 6.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f,
408 -6.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f,
409 -2.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f, 0.0f, 8.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f,
410 8.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f, 8.0f / 9.0f,
411 6.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f,
412 8.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f,
413 8.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, 0.0f, -8.0f / 9.0f, 8.0f / 9.0f,
414 2.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f,
415 6.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f,
416 -8.0f / 9.0f, -6.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, 8.0f / 9.0f,
417 -4.0f / 9.0f, -6.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, 8.0f / 9.0f, 0.0f,
418 -6.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f,
419 -6.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f,
420 -6.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f,
421 -4.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f,
422 -4.0f / 9.0f, 8.0f / 9.0f, 0.0f, -4.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f,
423 8.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f,
424 8.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f,
425 8.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f,
426 8.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f, 0.0f, -2.0f / 9.0f, 8.0f / 9.0f,
427 2.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f,
428 6.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f,
429 -8.0f / 9.0f, 0.0f, 8.0f / 9.0f, -6.0f / 9.0f, 0.0f, 8.0f / 9.0f, -4.0f / 9.0f, 0.0f,
430 8.0f / 9.0f, -2.0f / 9.0f, 0.0f, 8.0f / 9.0f, 0.0f, 0.0f, 8.0f / 9.0f, 2.0f / 9.0f, 0.0f,
431 8.0f / 9.0f, 4.0f / 9.0f, 0.0f, 8.0f / 9.0f, 6.0f / 9.0f, 0.0f, 8.0f / 9.0f, 8.0f / 9.0f,
432 0.0f, 8.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f, 2.0f / 9.0f,
433 8.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f, 2.0f / 9.0f,
434 8.0f / 9.0f, 0.0f, 2.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f,
435 4.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f,
436 2.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f,
437 4.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f,
438 4.0f / 9.0f, 8.0f / 9.0f, 0.0f, 4.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, 4.0f / 9.0f,
439 8.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f,
440 8.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f, 8.0f / 9.0f,
441 -6.0f / 9.0f, 6.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f, 8.0f / 9.0f,
442 -2.0f / 9.0f, 6.0f / 9.0f, 8.0f / 9.0f, 0.0f, 6.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f,
443 6.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f,
444 8.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f,
445 -6.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f,
446 -2.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, 0.0f, 8.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f,
447 8.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f, 8.0f / 9.0f,
448 8.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f };
450 // data taken from ISO/IEC DIS 11172, Annexes 3-B.2[abcd] and 3-B.4:
452 // subbands 0-2 in tables 3-B.2a and 2b: (index is allocation)
453 public static final int table_ab1_codelength[] =
455 { 0, 5, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 };
457 public static final float table_ab1_groupingtables[][] =
458 // pointer to sample grouping table, or NULL-pointer if ungrouped
459 { null, grouping_5bits, null, null, null, null, null, null, null, null, null, null, null,
462 public static final float table_ab1_factor[] =
463 // factor for requantization: (real)sample * factor - 1.0 gives requantized
465 { 0.0f, 1.0f / 2.0f, 1.0f / 4.0f, 1.0f / 8.0f, 1.0f / 16.0f, 1.0f / 32.0f, 1.0f / 64.0f,
466 1.0f / 128.0f, 1.0f / 256.0f, 1.0f / 512.0f, 1.0f / 1024.0f, 1.0f / 2048.0f,
467 1.0f / 4096.0f, 1.0f / 8192.0f, 1.0f / 16384.0f, 1.0f / 32768.0f };
469 public static final float table_ab1_c[] =
470 // factor c for requantization from table 3-B.4
471 { 0.0f, 1.33333333333f, 1.14285714286f, 1.06666666666f, 1.03225806452f, 1.01587301587f,
472 1.00787401575f, 1.00392156863f, 1.00195694716f, 1.00097751711f, 1.00048851979f,
473 1.00024420024f, 1.00012208522f, 1.00006103888f, 1.00003051851f, 1.00001525902f };
475 public static final float table_ab1_d[] =
476 // addend d for requantization from table 3-B.4
477 { 0.0f, 0.50000000000f, 0.25000000000f, 0.12500000000f, 0.06250000000f, 0.03125000000f,
478 0.01562500000f, 0.00781250000f, 0.00390625000f, 0.00195312500f, 0.00097656250f,
479 0.00048828125f, 0.00024414063f, 0.00012207031f, 0.00006103516f, 0.00003051758f };
481 // subbands 3-... tables 3-B.2a and 2b:
482 public static final float[] table_ab234_groupingtables[] = { null, grouping_5bits,
483 grouping_7bits, null, grouping_10bits, null, null, null, null, null, null, null, null,
486 // subbands 3-10 in tables 3-B.2a and 2b:
487 public static final int table_ab2_codelength[] = { 0, 5, 7, 3, 10, 4, 5, 6, 7, 8, 9, 10, 11,
489 public static final float table_ab2_factor[] = { 0.0f, 1.0f / 2.0f, 1.0f / 4.0f, 1.0f / 4.0f,
490 1.0f / 8.0f, 1.0f / 8.0f, 1.0f / 16.0f, 1.0f / 32.0f, 1.0f / 64.0f, 1.0f / 128.0f,
491 1.0f / 256.0f, 1.0f / 512.0f, 1.0f / 1024.0f, 1.0f / 2048.0f, 1.0f / 4096.0f,
493 public static final float table_ab2_c[] = { 0.0f, 1.33333333333f, 1.60000000000f,
494 1.14285714286f, 1.77777777777f, 1.06666666666f, 1.03225806452f, 1.01587301587f,
495 1.00787401575f, 1.00392156863f, 1.00195694716f, 1.00097751711f, 1.00048851979f,
496 1.00024420024f, 1.00012208522f, 1.00001525902f };
497 public static final float table_ab2_d[] = { 0.0f, 0.50000000000f, 0.50000000000f,
498 0.25000000000f, 0.50000000000f, 0.12500000000f, 0.06250000000f, 0.03125000000f,
499 0.01562500000f, 0.00781250000f, 0.00390625000f, 0.00195312500f, 0.00097656250f,
500 0.00048828125f, 0.00024414063f, 0.00003051758f };
502 // subbands 11-22 in tables 3-B.2a and 2b:
503 public static final int table_ab3_codelength[] = { 0, 5, 7, 3, 10, 4, 5, 16 };
504 public static final float table_ab3_factor[] = { 0.0f, 1.0f / 2.0f, 1.0f / 4.0f, 1.0f / 4.0f,
505 1.0f / 8.0f, 1.0f / 8.0f, 1.0f / 16.0f, 1.0f / 32768.0f };
506 public static final float table_ab3_c[] = { 0.0f, 1.33333333333f, 1.60000000000f,
507 1.14285714286f, 1.77777777777f, 1.06666666666f, 1.03225806452f, 1.00001525902f };
508 public static final float table_ab3_d[] = { 0.0f, 0.50000000000f, 0.50000000000f,
509 0.25000000000f, 0.50000000000f, 0.12500000000f, 0.06250000000f, 0.00003051758f };
511 // subbands 23-... in tables 3-B.2a and 2b:
512 public static final int table_ab4_codelength[] = { 0, 5, 7, 16 };
513 public static final float table_ab4_factor[] = { 0.0f, 1.0f / 2.0f, 1.0f / 4.0f,
515 public static final float table_ab4_c[] = { 0.0f, 1.33333333333f, 1.60000000000f,
517 public static final float table_ab4_d[] = { 0.0f, 0.50000000000f, 0.50000000000f,
520 // subbands in tables 3-B.2c and 2d:
521 public static final int table_cd_codelength[] = { 0, 5, 7, 10, 4, 5, 6, 7, 8, 9, 10, 11, 12,
523 public static final float table_cd_groupingtables[][] = { null, grouping_5bits, grouping_7bits,
524 grouping_10bits, null, null, null, null, null, null, null, null, null, null, null, null };
525 public static final float table_cd_factor[] = { 0.0f, 1.0f / 2.0f, 1.0f / 4.0f, 1.0f / 8.0f,
526 1.0f / 8.0f, 1.0f / 16.0f, 1.0f / 32.0f, 1.0f / 64.0f, 1.0f / 128.0f, 1.0f / 256.0f,
527 1.0f / 512.0f, 1.0f / 1024.0f, 1.0f / 2048.0f, 1.0f / 4096.0f, 1.0f / 8192.0f,
529 public static final float table_cd_c[] = { 0.0f, 1.33333333333f, 1.60000000000f,
530 1.77777777777f, 1.06666666666f, 1.03225806452f, 1.01587301587f, 1.00787401575f,
531 1.00392156863f, 1.00195694716f, 1.00097751711f, 1.00048851979f, 1.00024420024f,
532 1.00012208522f, 1.00006103888f, 1.00003051851f };
533 public static final float table_cd_d[] = { 0.0f, 0.50000000000f, 0.50000000000f,
534 0.50000000000f, 0.12500000000f, 0.06250000000f, 0.03125000000f, 0.01562500000f,
535 0.00781250000f, 0.00390625000f, 0.00195312500f, 0.00097656250f, 0.00048828125f,
536 0.00024414063f, 0.00012207031f, 0.00006103516f };
539 protected int subbandnumber;
541 protected int allocation;
545 protected float scalefactor1;
547 protected float scalefactor2;
549 protected float scalefactor3;
551 protected int[] codelength = { 0 };
553 protected float groupingtable[][] = new float[2][];
554 // protected float[][] groupingtable = {{0},{0}} ;
556 protected float[] factor = { 0.0f };
558 protected int groupnumber;
560 protected int samplenumber;
562 protected float[] samples = new float[3];
564 protected float[] c = { 0.0f };
566 protected float[] d = { 0.0f };
571 public SubbandLayer2(@LOC("IN") int subbandnumber) {
572 this.subbandnumber = subbandnumber;
573 groupnumber = samplenumber = 0;
579 protected int get_allocationlength(@LOC("IN") Header header) {
581 if (header.version() == Header.MPEG1) {
583 @LOC("THIS,LayerIIDecoder$SubbandLayer2.SH") int channel_bitrate = header.bitrate_index();
585 // calculate bitrate per channel:
586 if (header.mode() != Header.SINGLE_CHANNEL)
587 if (channel_bitrate == 4)
590 channel_bitrate -= 4;
592 if (channel_bitrate == 1 || channel_bitrate == 2)
593 // table 3-B.2c or 3-B.2d
594 if (subbandnumber <= 1)
599 // tables 3-B.2a or 3-B.2b
600 if (subbandnumber <= 10)
602 else if (subbandnumber <= 22)
606 } else { // MPEG-2 LSF -- Jeff
608 // table B.1 of ISO/IEC 13818-3
609 if (subbandnumber <= 3)
611 else if (subbandnumber <= 10)
621 @LATTICE("OUT<THIS,THIS<IN,THISLOC=THIS")
622 protected void prepare_sample_reading(@LOC("IN") Header header, @LOC("IN") int allocation,
623 // float[][] groupingtable,
624 @LOC("IN") int channel, @LOC("OUT") float[] factor, @LOC("OUT") int[] codelength,
625 @LOC("OUT") float[] c, @LOC("OUT") float[] d) {
627 // header.bitrate_index() will generate at most DELTA(THIS,SH*)
628 @LOC("THIS,LayerIIDecoder$SubbandLayer2.SH") int channel_bitrate = header.bitrate_index();
630 // calculate bitrate per channel:
631 if (header.mode() != Header.SINGLE_CHANNEL) {
632 if (channel_bitrate == 4) {
635 channel_bitrate -= 4;
639 if (channel_bitrate == 1 || channel_bitrate == 2) {
640 // table 3-B.2c or 3-B.2d
641 groupingtable[channel] = table_cd_groupingtables[allocation];
642 factor[0] = table_cd_factor[allocation];
643 codelength[0] = table_cd_codelength[allocation];
644 c[0] = table_cd_c[allocation];
645 d[0] = table_cd_d[allocation];
647 // tables 3-B.2a or 3-B.2b
648 if (subbandnumber <= 2) {
649 groupingtable[channel] = table_ab1_groupingtables[allocation];
650 factor[0] = table_ab1_factor[allocation];
651 codelength[0] = table_ab1_codelength[allocation];
652 c[0] = table_ab1_c[allocation];
653 d[0] = table_ab1_d[allocation];
655 groupingtable[channel] = table_ab234_groupingtables[allocation];
656 if (subbandnumber <= 10) {
657 factor[0] = table_ab2_factor[allocation];
658 codelength[0] = table_ab2_codelength[allocation];
659 c[0] = table_ab2_c[allocation];
660 d[0] = table_ab2_d[allocation];
661 } else if (subbandnumber <= 22) {
662 factor[0] = table_ab3_factor[allocation];
663 codelength[0] = table_ab3_codelength[allocation];
664 c[0] = table_ab3_c[allocation];
665 d[0] = table_ab3_d[allocation];
667 factor[0] = table_ab4_factor[allocation];
668 codelength[0] = table_ab4_codelength[allocation];
669 c[0] = table_ab4_c[allocation];
670 d[0] = table_ab4_d[allocation];
679 @LATTICE("V<THIS,THIS<IN,THISLOC=THIS")
681 public void read_allocation(@LOC("IN") Bitstream stream,
682 @LOC("THIS,LayerIIDecoder$SubbandLayer2.SH") Header header, @LOC("IN") Crc16 crc) {
684 @LOC("THIS,LayerIIDecoder$SubbandLayer2.SH") int length = get_allocationlength(header); // return
686 allocation = stream.get_bits(length);
688 crc.add_bits(allocation, length);
695 public void read_scalefactor_selection(@LOC("IN") Bitstream stream, @LOC("IN") Crc16 crc) {
696 if (allocation != 0) {
697 scfsi = stream.get_bits(2);
699 crc.add_bits(scfsi, 2);
706 public void read_scalefactor(@LOC("IN") Bitstream stream, @LOC("IN") Header header) {
707 if (allocation != 0) {
710 scalefactor1 = scalefactors[stream.get_bits(6)];
711 scalefactor2 = scalefactors[stream.get_bits(6)];
712 scalefactor3 = scalefactors[stream.get_bits(6)];
715 scalefactor1 = scalefactor2 = scalefactors[stream.get_bits(6)];
716 scalefactor3 = scalefactors[stream.get_bits(6)];
719 scalefactor1 = scalefactor2 = scalefactor3 = scalefactors[stream.get_bits(6)];
722 scalefactor1 = scalefactors[stream.get_bits(6)];
723 scalefactor2 = scalefactor3 = scalefactors[stream.get_bits(6)];
726 prepare_sample_reading(header, allocation, 0, factor, codelength, c, d);
733 // @LATTICE("OUT<V,V<SH,SH<TEMP,TEMP<TMP,TMP<THIS,THIS<IN,SH*,TEMP*,TMP*,THISLOC=THIS,GLOBALLOC=IN")
734 // @LATTICE("OUT<V,V<TEMP,TEMP<TMP,TMP<SH,SH<THIS,THIS<IN,SH*,TEMP*,TMP*,THISLOC=THIS,GLOBALLOC=IN")
737 public boolean read_sampledata(@LOC("IN") Bitstream stream) {
738 if (allocation != 0) {
739 if (groupingtable[0] != null) {
741 @LOC("THIS,LayerIIDecoder$SubbandLayer2.SM") int samplecode =
742 stream.get_bits(codelength[0]);
743 // create requantized samples:
744 samplecode += samplecode << 1;
745 // float[] target = samples; //subbed in variable to reduce areas
746 // float[] source = groupingtable[0]; //subbed in variable to reduce
749 * int tmp = 0; int temp = 0; target[tmp++] = source[samplecode +
750 * temp]; temp++; target[tmp++] = source[samplecode + temp]; temp++;
751 * target[tmp] = source[samplecode + temp];
754 @LOC("THIS,LayerIIDecoder$SubbandLayer2.SM") int tmp = 0;
755 @LOC("THIS,LayerIIDecoder$SubbandLayer2.SM") int temp = samplecode;
757 // if(temp > source.length - 3) temp = source.length - 3;
758 if (temp > groupingtable[0].length - 3) {
759 temp = groupingtable[0].length - 3;
762 samples[tmp] = groupingtable[0][temp];
765 samples[tmp] = groupingtable[0][temp];
768 samples[tmp] = groupingtable[0][temp];
770 // memcpy (samples, groupingtable + samplecode, 3 * sizeof (real));
772 samples[0] = (float) ((stream.get_bits(codelength[0])) * factor[0] - 1.0);
773 samples[1] = (float) ((stream.get_bits(codelength[0])) * factor[0] - 1.0);
774 samples[2] = (float) ((stream.get_bits(codelength[0])) * factor[0] - 1.0);
778 if (++groupnumber == 12)
785 public boolean put_next_sample(@LOC("IN") int channels, @LOC("IN") SynthesisFilter filter1,
786 @LOC("IN") SynthesisFilter filter2) {
788 if ((allocation != 0) && (channels != OutputChannels.RIGHT_CHANNEL)) {
790 @LOC("THIS,LayerIIDecoder$SubbandLayer2.SM") float sample = samples[samplenumber];
792 if (groupingtable[0] == null) {
793 sample = (sample + d[0]) * c[0];
795 if (groupnumber <= 4) {
796 sample *= scalefactor1;
797 } else if (groupnumber <= 8) {
798 sample *= scalefactor2;
800 sample *= scalefactor3;
802 filter1.input_sample(sample, subbandnumber);
805 if (++samplenumber == 3)
813 * Class for layer II subbands in joint stereo mode.
815 @LATTICE("S<L,L<H,L<SM,SM<H,H<SH,F,ARR,GN,SN,SH*,SM*")
816 @METHODDEFAULT("OUT<V,V<THIS,THIS<C,C<IN,C*,THISLOC=THIS,RETURNLOC=OUT")
817 static class SubbandLayer2IntensityStereo extends SubbandLayer2 {
819 protected int channel2_scfsi;
821 protected float channel2_scalefactor1;
823 protected float channel2_scalefactor2;
825 protected float channel2_scalefactor3;
830 public SubbandLayer2IntensityStereo(@LOC("IN") int subbandnumber) {
831 super(subbandnumber);
837 public void read_allocation(@LOC("IN") Bitstream stream, @LOC("THIS") Header header,
838 @LOC("IN") Crc16 crc) {
839 super.read_allocation(stream, header, crc);
845 public void read_scalefactor_selection(@LOC("IN") Bitstream stream, @LOC("IN") Crc16 crc) {
846 if (allocation != 0) {
847 scfsi = stream.get_bits(2);
848 channel2_scfsi = stream.get_bits(2);
850 crc.add_bits(scfsi, 2);
851 crc.add_bits(channel2_scfsi, 2);
859 public void read_scalefactor(@LOC("IN") Bitstream stream, @LOC("IN") Header header) {
860 if (allocation != 0) {
861 super.read_scalefactor(stream, header);
862 switch (channel2_scfsi) {
864 channel2_scalefactor1 = scalefactors[stream.get_bits(6)];
865 channel2_scalefactor2 = scalefactors[stream.get_bits(6)];
866 channel2_scalefactor3 = scalefactors[stream.get_bits(6)];
870 channel2_scalefactor1 = scalefactors[stream.get_bits(6)];
871 channel2_scalefactor2 = channel2_scalefactor1;
872 channel2_scalefactor3 = scalefactors[stream.get_bits(6)];
876 channel2_scalefactor1 = scalefactors[stream.get_bits(6)];
877 channel2_scalefactor2 = channel2_scalefactor1;
878 channel2_scalefactor3 = channel2_scalefactor2;
882 channel2_scalefactor1 = scalefactors[stream.get_bits(6)];
883 channel2_scalefactor2 = scalefactors[stream.get_bits(6)];
884 channel2_scalefactor3 = channel2_scalefactor2;
894 public boolean read_sampledata(@LOC("IN") Bitstream stream) {
895 return super.read_sampledata(stream);
901 @LATTICE("S2<S1,S1<THIS,THIS<GLOBAL,GLOBAL<IN,S1*,THISLOC=THIS,GLOBALLOC=GLOBAL")
903 public boolean put_next_sample(@LOC("IN") int channels, @LOC("IN") SynthesisFilter filter1,
904 @LOC("IN") SynthesisFilter filter2) {
905 if (allocation != 0) {
906 @LOC("S1") float sample = samples[samplenumber];
908 if (groupingtable[0] == null)
909 sample = (sample + d[0]) * c[0];
910 if (channels == OutputChannels.BOTH_CHANNELS) {
911 @LOC("S2") float sample2 = sample;
912 if (groupnumber <= 4) {
913 sample *= scalefactor1;
914 sample2 *= channel2_scalefactor1;
915 } else if (groupnumber <= 8) {
916 sample *= scalefactor2;
917 sample2 *= channel2_scalefactor2;
919 sample *= scalefactor3;
920 sample2 *= channel2_scalefactor3;
922 filter1.input_sample(sample, subbandnumber);
923 filter2.input_sample(sample2, subbandnumber);
924 } else if (channels == OutputChannels.LEFT_CHANNEL) {
925 if (groupnumber <= 4)
926 sample *= scalefactor1;
927 else if (groupnumber <= 8)
928 sample *= scalefactor2;
930 sample *= scalefactor3;
931 filter1.input_sample(sample, subbandnumber);
933 if (groupnumber <= 4)
934 sample *= channel2_scalefactor1;
935 else if (groupnumber <= 8)
936 sample *= channel2_scalefactor2;
938 sample *= channel2_scalefactor3;
939 filter1.input_sample(sample, subbandnumber);
943 if (++samplenumber == 3)
951 * Class for layer II subbands in stereo mode.
953 @LATTICE("S<L,L<H,L<SM,SM<H,H<SH,F,ARR,GN,SN,SH*,SM*")
954 @METHODDEFAULT("OUT<V,V<THIS,THIS<C,C<IN,C*,THISLOC=THIS,RETURNLOC=OUT")
955 static class SubbandLayer2Stereo extends SubbandLayer2 {
957 protected int channel2_allocation;
959 protected int channel2_scfsi;
961 protected float channel2_scalefactor1;
963 protected float channel2_scalefactor2;
965 protected float channel2_scalefactor3;
966 // protected boolean channel2_grouping; ???? Never used!
968 protected int[] channel2_codelength = { 0 };
969 // protected float[][] channel2_groupingtable = {{0},{0}};
971 protected float[] channel2_factor = { 0.0f };
973 protected float[] channel2_samples;
975 protected float[] channel2_c = { 0.0f };
977 protected float[] channel2_d = { 0.0f };
982 public SubbandLayer2Stereo(@LOC("IN") int subbandnumber) {
983 super(subbandnumber);
984 channel2_samples = new float[3];
990 @LATTICE("OUT<SH,SH<THIS,THIS<V,V<IN,SH*,THISLOC=THIS,GLOBALLOC=IN")
991 public void read_allocation(@LOC("IN") Bitstream stream,
992 @LOC("THIS,LayerIIDecoder$SubbandLayer2Stereo.SH") Header header, @LOC("IN") Crc16 crc) {
993 @LOC("THIS,LayerIIDecoder$SubbandLayer2Stereo.SH") int length = get_allocationlength(header);
994 allocation = stream.get_bits(length);
995 channel2_allocation = stream.get_bits(length);
997 crc.add_bits(allocation, length);
998 crc.add_bits(channel2_allocation, length);
1005 public void read_scalefactor_selection(@LOC("IN") Bitstream stream, @LOC("IN") Crc16 crc) {
1006 if (allocation != 0) {
1007 scfsi = stream.get_bits(2);
1009 crc.add_bits(scfsi, 2);
1011 if (channel2_allocation != 0) {
1012 channel2_scfsi = stream.get_bits(2);
1014 crc.add_bits(channel2_scfsi, 2);
1021 public void read_scalefactor(@LOC("IN") Bitstream stream, @LOC("IN") Header header) {
1022 super.read_scalefactor(stream, header);
1023 if (channel2_allocation != 0) {
1024 switch (channel2_scfsi) {
1026 channel2_scalefactor1 = scalefactors[stream.get_bits(6)];
1027 channel2_scalefactor2 = scalefactors[stream.get_bits(6)];
1028 channel2_scalefactor3 = scalefactors[stream.get_bits(6)];
1032 channel2_scalefactor1 = channel2_scalefactor2 = scalefactors[stream.get_bits(6)];
1033 channel2_scalefactor3 = scalefactors[stream.get_bits(6)];
1037 channel2_scalefactor1 =
1038 channel2_scalefactor2 = channel2_scalefactor3 = scalefactors[stream.get_bits(6)];
1042 channel2_scalefactor1 = scalefactors[stream.get_bits(6)];
1043 channel2_scalefactor2 = channel2_scalefactor3 = scalefactors[stream.get_bits(6)];
1046 prepare_sample_reading(header, channel2_allocation, 1, channel2_factor,
1047 channel2_codelength, channel2_c, channel2_d);
1055 public boolean read_sampledata(@LOC("IN") Bitstream stream) {
1056 @LOC("V") boolean returnvalue = super.read_sampledata(stream);
1058 if (channel2_allocation != 0)
1059 if (groupingtable[1] != null) {
1060 @LOC("THIS,LayerIIDecoder$SubbandLayer2Stereo.SM") int samplecode =
1061 stream.get_bits(channel2_codelength[0]);
1062 // create requantized samples:
1063 samplecode += samplecode << 1;
1065 @LOC("THIS,LayerIIDecoder$SubbandLayer2Stereo.SM") int tmp = 0;
1066 @LOC("THIS,LayerIIDecoder$SubbandLayer2Stereo.SM") int temp = samplecode;
1068 channel2_samples[tmp] = groupingtable[1][temp];
1071 channel2_samples[tmp] = groupingtable[1][temp];
1074 channel2_samples[tmp] = groupingtable[1][temp];
1077 channel2_samples[0] =
1078 (float) ((stream.get_bits(channel2_codelength[0])) * channel2_factor[0] - 1.0);
1079 channel2_samples[1] =
1080 (float) ((stream.get_bits(channel2_codelength[0])) * channel2_factor[0] - 1.0);
1081 channel2_samples[2] =
1082 (float) ((stream.get_bits(channel2_codelength[0])) * channel2_factor[0] - 1.0);
1088 public boolean put_next_sample(@LOC("IN") int channels, @LOC("IN") SynthesisFilter filter1,
1089 @LOC("IN") SynthesisFilter filter2) {
1091 @LOC("OUT") boolean returnvalue = super.put_next_sample(channels, filter1, filter2);
1093 if ((channel2_allocation != 0) && (channels != OutputChannels.LEFT_CHANNEL)) {
1095 @LOC("THIS,LayerIIDecoder$SubbandLayer2Stereo.SM") float sample =
1096 channel2_samples[samplenumber - 1];
1098 if (groupingtable[1] == null) {
1099 sample = (sample + channel2_d[0]) * channel2_c[0];
1102 if (groupnumber <= 4) {
1103 sample *= channel2_scalefactor1;
1104 } else if (groupnumber <= 8) {
1105 sample *= channel2_scalefactor2;
1107 sample *= channel2_scalefactor3;
1110 if (channels == OutputChannels.BOTH_CHANNELS) {
1111 filter2.input_sample(sample, subbandnumber);
1113 filter1.input_sample(sample, subbandnumber);