javazoom.jl.decoder.LayerIIDecoder Maven / Gradle / Ivy
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Jlayer version used in libgdx.
Fixed some NPEs, changed how buffering happens, deleted most of the classes, everything not related to decoding and half of what was related to decoding but not needed.
Added support for reading replay gain out of the mp3.
The newest version!
/*
* 11/19/04 1.0 moved to LGPL.
*
* 29/05/01 Michael Scheerer, Fixed some C++ to Java porting bugs.
*
* 16/07/01 Michael Scheerer, Catched a bug in method read_sampledata, which causes an outOfIndexException.
*
* 12/12/99 Initial version. Adapted from javalayer.java and Subband.java. [email protected]
*
* 02/28/99 Initial version : javalayer.java by E.B----------------------------------------------------------------------- This
* program is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as
* published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License along with this program; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
* ----------------------------------------------------------------------
*/
package javazoom.jl.decoder;
/**
* Implements decoding of MPEG Audio Layer II frames.
*/
public class LayerIIDecoder extends LayerIDecoder implements FrameDecoder {
public LayerIIDecoder () {
}
protected void createSubbands () {
int i;
if (mode == Header.SINGLE_CHANNEL)
for (i = 0; i < num_subbands; ++i)
subbands[i] = new SubbandLayer2(i);
else if (mode == Header.JOINT_STEREO) {
for (i = 0; i < header.intensity_stereo_bound(); ++i)
subbands[i] = new SubbandLayer2Stereo(i);
for (; i < num_subbands; ++i)
subbands[i] = new SubbandLayer2IntensityStereo(i);
} else
for (i = 0; i < num_subbands; ++i)
subbands[i] = new SubbandLayer2Stereo(i);
}
protected void readScaleFactorSelection () {
for (int i = 0; i < num_subbands; ++i)
((SubbandLayer2)subbands[i]).read_scalefactor_selection(stream, crc);
}
/**
* Class for layer II subbands in single channel mode.
*/
static class SubbandLayer2 extends Subband {
// this table contains 3 requantized samples for each legal codeword
// when grouped in 5 bits, i.e. 3 quantizationsteps per sample
public static final float grouping_5bits[] = new float[] {-2.0f / 3.0f, -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, -2.0f / 3.0f, -2.0f / 3.0f, 0.0f, -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, 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, -2.0f / 3.0f, -2.0f / 3.0f, -2.0f / 3.0f, 0.0f, 0.0f, -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, 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, 2.0f / 3.0f, 2.0f / 3.0f, 0.0f, -2.0f / 3.0f, -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, 2.0f / 3.0f, -2.0f / 3.0f, 0.0f, 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, 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,
2.0f / 3.0f};
// this table contains 3 requantized samples for each legal codeword
// when grouped in 7 bits, i.e. 5 quantizationsteps per sample
public static final float grouping_7bits[] = new float[] {-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, -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, -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, 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, 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, 0.8f, 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, -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, 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, -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, 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, 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, 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,
-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, -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, -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, -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, 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, -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, -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, -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, -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, -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, 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, -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, 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,
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, 0.8f, 0.8f, 0.8f};
// this table contains 3 requantized samples for each legal codeword
// when grouped in 10 bits, i.e. 9 quantizationsteps per sample
public static final float grouping_10bits[] = {-8.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f,
-8.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f, 0.0f, -8.0f / 9.0f,
-8.0f / 9.0f, 2.0f / 9.0f, -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, -8.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f,
-6.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, -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, -6.0f / 9.0f, -8.0f / 9.0f, 2.0f / 9.0f, -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, -8.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f,
-4.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, -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, 2.0f / 9.0f, -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, -8.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f,
-8.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f,
-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, -8.0f / 9.0f, 2.0f / 9.0f,
-2.0f / 9.0f, -8.0f / 9.0f, 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, -2.0f / 9.0f, -8.0f / 9.0f, -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, -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,
-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, 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, -8.0f / 9.0f, -4.0f / 9.0f, 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, -8.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f,
-8.0f / 9.0f, 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, 2.0f / 9.0f,
-8.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f,
4.0f / 9.0f, -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, 2.0f / 9.0f,
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, -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, -6.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f,
-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, 6.0f / 9.0f, -8.0f / 9.0f,
2.0f / 9.0f, 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, -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, -6.0f / 9.0f, 8.0f / 9.0f,
-8.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, 0.0f, 8.0f / 9.0f,
-8.0f / 9.0f, 2.0f / 9.0f, 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,
-8.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f,
-8.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, -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, 2.0f / 9.0f, -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, -6.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f,
-6.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, -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, -6.0f / 9.0f, -6.0f / 9.0f, 2.0f / 9.0f, -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, -6.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f,
-8.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f,
-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, 2.0f / 9.0f, -4.0f / 9.0f,
-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, 8.0f / 9.0f,
-4.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f,
-4.0f / 9.0f, -2.0f / 9.0f, -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,
2.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, 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, -2.0f / 9.0f, -6.0f / 9.0f, -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, -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, -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, 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, -6.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f,
-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, 2.0f / 9.0f, 2.0f / 9.0f,
-6.0f / 9.0f, 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, 2.0f / 9.0f,
-6.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f,
4.0f / 9.0f, -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, 2.0f / 9.0f,
4.0f / 9.0f, -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, 8.0f / 9.0f,
4.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f,
-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, 6.0f / 9.0f, -6.0f / 9.0f,
2.0f / 9.0f, 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, -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, -6.0f / 9.0f, 8.0f / 9.0f,
-6.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f, -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, 2.0f / 9.0f, 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,
-6.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f,
-8.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, -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, -4.0f / 9.0f, 2.0f / 9.0f, -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, -4.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f,
-4.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, -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, -6.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, -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, -4.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f,
-8.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f,
-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, 2.0f / 9.0f, -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, -4.0f / 9.0f, 8.0f / 9.0f,
-4.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f,
-4.0f / 9.0f, -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, -4.0f / 9.0f,
2.0f / 9.0f, -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,
-4.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, -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, -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,
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, 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, 2.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, 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, -4.0f / 9.0f, 2.0f / 9.0f, 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, -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, -6.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f,
4.0f / 9.0f, -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, 2.0f / 9.0f,
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, -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, -6.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f,
-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, 6.0f / 9.0f, -4.0f / 9.0f,
2.0f / 9.0f, 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, -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, -6.0f / 9.0f, 8.0f / 9.0f,
-4.0f / 9.0f, -4.0f / 9.0f, 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,
-4.0f / 9.0f, 2.0f / 9.0f, 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,
-4.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f,
-8.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, -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, -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,
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, -6.0f / 9.0f,
-2.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, -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, -6.0f / 9.0f, -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, 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, -4.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f, -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, -4.0f / 9.0f, -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, 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, -2.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, -2.0f / 9.0f,
-4.0f / 9.0f, -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, -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, 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, 0.0f, -2.0f / 9.0f, -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, -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, -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, 2.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, 2.0f / 9.0f, -2.0f / 9.0f, -4.0f / 9.0f, 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, -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, 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, 4.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, -2.0f / 9.0f, -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, 4.0f / 9.0f, -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, 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, 6.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, 6.0f / 9.0f, -2.0f / 9.0f,
-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, 6.0f / 9.0f, -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, 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, 8.0f / 9.0f, -2.0f / 9.0f, -6.0f / 9.0f, 8.0f / 9.0f,
-2.0f / 9.0f, -4.0f / 9.0f, 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,
-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, 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, -8.0f / 9.0f, 0.0f, -6.0f / 9.0f, -8.0f / 9.0f,
0.0f, -4.0f / 9.0f, -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,
-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, 8.0f / 9.0f, -8.0f / 9.0f, 0.0f,
-8.0f / 9.0f, -6.0f / 9.0f, 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,
-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, -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, -8.0f / 9.0f, -4.0f / 9.0f, 0.0f, -6.0f / 9.0f,
-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, -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, 6.0f / 9.0f, -4.0f / 9.0f, 0.0f, 8.0f / 9.0f,
-4.0f / 9.0f, 0.0f, -8.0f / 9.0f, -2.0f / 9.0f, 0.0f, -6.0f / 9.0f, -2.0f / 9.0f, 0.0f, -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, 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, 0.0f, 8.0f / 9.0f, -2.0f / 9.0f, 0.0f, -8.0f / 9.0f, 0.0f, 0.0f,
-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, 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, 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, -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, 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, 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, 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, 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, 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, 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, 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, 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, -8.0f / 9.0f, 8.0f / 9.0f, 0.0f, -6.0f / 9.0f, 8.0f / 9.0f, 0.0f, -4.0f / 9.0f, 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, 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, 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, -8.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f, -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, 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, 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, -6.0f / 9.0f,
2.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, 2.0f / 9.0f, -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, -6.0f / 9.0f, 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, 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,
-4.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, -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, -4.0f / 9.0f, 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, 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, -2.0f / 9.0f, 2.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f, -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, 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, 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, 0.0f, 2.0f / 9.0f, -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, 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,
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, 2.0f / 9.0f, 2.0f / 9.0f,
-6.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f, 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, 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,
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, 4.0f / 9.0f, 2.0f / 9.0f,
-6.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f, -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, 4.0f / 9.0f, 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,
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, 6.0f / 9.0f, 2.0f / 9.0f,
-6.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f, -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, 6.0f / 9.0f, 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,
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, 8.0f / 9.0f, 2.0f / 9.0f,
-6.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, -4.0f / 9.0f, 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, 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,
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, -8.0f / 9.0f, 4.0f / 9.0f,
-6.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, -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, 4.0f / 9.0f, 2.0f / 9.0f, -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, 4.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f,
4.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, -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, -6.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f, -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, 4.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f,
-4.0f / 9.0f, 4.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, 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, 2.0f / 9.0f, -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, 4.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f,
-8.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, -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, 4.0f / 9.0f, 2.0f / 9.0f, -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, 4.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f,
4.0f / 9.0f, -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, 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, 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, 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, 2.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, 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, 4.0f / 9.0f, 2.0f / 9.0f, 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, 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,
-6.0f / 9.0f, 4.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f, 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, 2.0f / 9.0f, 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, 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,
-6.0f / 9.0f, 6.0f / 9.0f, 4.0f / 9.0f, -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, 6.0f / 9.0f, 4.0f / 9.0f, 2.0f / 9.0f, 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, 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,
-6.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, -4.0f / 9.0f, 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, 4.0f / 9.0f, 2.0f / 9.0f, 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, 4.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, 4.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f,
-6.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, 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, 2.0f / 9.0f, -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, 6.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f,
6.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, 6.0f / 9.0f, -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, -6.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f, -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, 6.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f,
-4.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, 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, 2.0f / 9.0f, -4.0f / 9.0f, 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, 8.0f / 9.0f, -4.0f / 9.0f, 6.0f / 9.0f,
-8.0f / 9.0f, -2.0f / 9.0f, 6.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f, -2.0f / 9.0f,
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, 2.0f / 9.0f, -2.0f / 9.0f,
6.0f / 9.0f, 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, -2.0f / 9.0f,
6.0f / 9.0f, -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, 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, 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, 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, 6.0f / 9.0f, -4.0f / 9.0f, 2.0f / 9.0f, 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, 2.0f / 9.0f, 2.0f / 9.0f, 6.0f / 9.0f, 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, 2.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f,
-6.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f, 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, 2.0f / 9.0f, 4.0f / 9.0f, 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, 8.0f / 9.0f, 4.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f,
-6.0f / 9.0f, 6.0f / 9.0f, 6.0f / 9.0f, -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, 6.0f / 9.0f, 6.0f / 9.0f, 2.0f / 9.0f, 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, 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,
-6.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f, 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, 2.0f / 9.0f, 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, 6.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, 6.0f / 9.0f, -8.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f,
-6.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f, -8.0f / 9.0f,
8.0f / 9.0f, 0.0f, -8.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, -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, 8.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, -6.0f / 9.0f,
8.0f / 9.0f, -6.0f / 9.0f, -6.0f / 9.0f, 8.0f / 9.0f, -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, -6.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, -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, 8.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f,
-4.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, -4.0f / 9.0f, 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, 2.0f / 9.0f, -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, 8.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f,
-8.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f, -6.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, -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, 8.0f / 9.0f, 2.0f / 9.0f, -2.0f / 9.0f,
8.0f / 9.0f, 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, -2.0f / 9.0f,
8.0f / 9.0f, -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, 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, 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, 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, 8.0f / 9.0f, -4.0f / 9.0f, 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, 8.0f / 9.0f, 2.0f / 9.0f, 2.0f / 9.0f, 8.0f / 9.0f, 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, 2.0f / 9.0f, 8.0f / 9.0f, -8.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f,
-6.0f / 9.0f, 4.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, 4.0f / 9.0f, 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, 2.0f / 9.0f, 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, 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,
-6.0f / 9.0f, 6.0f / 9.0f, 8.0f / 9.0f, -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, 6.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, 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, 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,
-6.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, -4.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, -2.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f,
0.0f, 8.0f / 9.0f, 8.0f / 9.0f, 2.0f / 9.0f, 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, 8.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f, 8.0f / 9.0f};
// data taken from ISO/IEC DIS 11172, Annexes 3-B.2[abcd] and 3-B.4:
// subbands 0-2 in tables 3-B.2a and 2b: (index is allocation)
public static final int table_ab1_codelength[] =
// bits per codeword
{0, 5, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16};
public static final float table_ab1_groupingtables[][] =
// pointer to sample grouping table, or NULL-pointer if ungrouped
{null, grouping_5bits, null, null, null, null, null, null, null, null, null, null, null, null, null, null};
public static final float table_ab1_factor[] =
// factor for requantization: (real)sample * factor - 1.0 gives requantized sample
{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, 1.0f / 128.0f, 1.0f / 256.0f,
1.0f / 512.0f, 1.0f / 1024.0f, 1.0f / 2048.0f, 1.0f / 4096.0f, 1.0f / 8192.0f, 1.0f / 16384.0f, 1.0f / 32768.0f};
public static final float table_ab1_c[] =
// factor c for requantization from table 3-B.4
{0.0f, 1.33333333333f, 1.14285714286f, 1.06666666666f, 1.03225806452f, 1.01587301587f, 1.00787401575f, 1.00392156863f,
1.00195694716f, 1.00097751711f, 1.00048851979f, 1.00024420024f, 1.00012208522f, 1.00006103888f, 1.00003051851f,
1.00001525902f};
public static final float table_ab1_d[] =
// addend d for requantization from table 3-B.4
{0.0f, 0.50000000000f, 0.25000000000f, 0.12500000000f, 0.06250000000f, 0.03125000000f, 0.01562500000f, 0.00781250000f,
0.00390625000f, 0.00195312500f, 0.00097656250f, 0.00048828125f, 0.00024414063f, 0.00012207031f, 0.00006103516f,
0.00003051758f};
// subbands 3-... tables 3-B.2a and 2b:
public static final float[] table_ab234_groupingtables[] = {null, grouping_5bits, grouping_7bits, null, grouping_10bits,
null, null, null, null, null, null, null, null, null, null, null};
// subbands 3-10 in tables 3-B.2a and 2b:
public static final int table_ab2_codelength[] = {0, 5, 7, 3, 10, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16};
public static final float table_ab2_factor[] = {0.0f, 1.0f / 2.0f, 1.0f / 4.0f, 1.0f / 4.0f, 1.0f / 8.0f, 1.0f / 8.0f,
1.0f / 16.0f, 1.0f / 32.0f, 1.0f / 64.0f, 1.0f / 128.0f, 1.0f / 256.0f, 1.0f / 512.0f, 1.0f / 1024.0f, 1.0f / 2048.0f,
1.0f / 4096.0f, 1.0f / 32768.0f};
public static final float table_ab2_c[] = {0.0f, 1.33333333333f, 1.60000000000f, 1.14285714286f, 1.77777777777f,
1.06666666666f, 1.03225806452f, 1.01587301587f, 1.00787401575f, 1.00392156863f, 1.00195694716f, 1.00097751711f,
1.00048851979f, 1.00024420024f, 1.00012208522f, 1.00001525902f};
public static final float table_ab2_d[] = {0.0f, 0.50000000000f, 0.50000000000f, 0.25000000000f, 0.50000000000f,
0.12500000000f, 0.06250000000f, 0.03125000000f, 0.01562500000f, 0.00781250000f, 0.00390625000f, 0.00195312500f,
0.00097656250f, 0.00048828125f, 0.00024414063f, 0.00003051758f};
// subbands 11-22 in tables 3-B.2a and 2b:
public static final int table_ab3_codelength[] = {0, 5, 7, 3, 10, 4, 5, 16};
public static final float table_ab3_factor[] = {0.0f, 1.0f / 2.0f, 1.0f / 4.0f, 1.0f / 4.0f, 1.0f / 8.0f, 1.0f / 8.0f,
1.0f / 16.0f, 1.0f / 32768.0f};
public static final float table_ab3_c[] = {0.0f, 1.33333333333f, 1.60000000000f, 1.14285714286f, 1.77777777777f,
1.06666666666f, 1.03225806452f, 1.00001525902f};
public static final float table_ab3_d[] = {0.0f, 0.50000000000f, 0.50000000000f, 0.25000000000f, 0.50000000000f,
0.12500000000f, 0.06250000000f, 0.00003051758f};
// subbands 23-... in tables 3-B.2a and 2b:
public static final int table_ab4_codelength[] = {0, 5, 7, 16};
public static final float table_ab4_factor[] = {0.0f, 1.0f / 2.0f, 1.0f / 4.0f, 1.0f / 32768.0f};
public static final float table_ab4_c[] = {0.0f, 1.33333333333f, 1.60000000000f, 1.00001525902f};
public static final float table_ab4_d[] = {0.0f, 0.50000000000f, 0.50000000000f, 0.00003051758f};
// subbands in tables 3-B.2c and 2d:
public static final int table_cd_codelength[] = {0, 5, 7, 10, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
public static final float table_cd_groupingtables[][] = {null, grouping_5bits, grouping_7bits, grouping_10bits, null, null,
null, null, null, null, null, null, null, null, null, null};
public static final float table_cd_factor[] = {0.0f, 1.0f / 2.0f, 1.0f / 4.0f, 1.0f / 8.0f, 1.0f / 8.0f, 1.0f / 16.0f,
1.0f / 32.0f, 1.0f / 64.0f, 1.0f / 128.0f, 1.0f / 256.0f, 1.0f / 512.0f, 1.0f / 1024.0f, 1.0f / 2048.0f, 1.0f / 4096.0f,
1.0f / 8192.0f, 1.0f / 16384.0f};
public static final float table_cd_c[] = {0.0f, 1.33333333333f, 1.60000000000f, 1.77777777777f, 1.06666666666f,
1.03225806452f, 1.01587301587f, 1.00787401575f, 1.00392156863f, 1.00195694716f, 1.00097751711f, 1.00048851979f,
1.00024420024f, 1.00012208522f, 1.00006103888f, 1.00003051851f};
public static final float table_cd_d[] = {0.0f, 0.50000000000f, 0.50000000000f, 0.50000000000f, 0.12500000000f,
0.06250000000f, 0.03125000000f, 0.01562500000f, 0.00781250000f, 0.00390625000f, 0.00195312500f, 0.00097656250f,
0.00048828125f, 0.00024414063f, 0.00012207031f, 0.00006103516f};
protected int subbandnumber;
protected int allocation;
protected int scfsi;
protected float scalefactor1, scalefactor2, scalefactor3;
protected int[] codelength = {0};
protected float groupingtable[][] = new float[2][];
// protected float[][] groupingtable = {{0},{0}} ;
protected float[] factor = {0.0f};
protected int groupnumber;
protected int samplenumber;
protected float[] samples = new float[3];
protected float[] c = {0};
protected float[] d = {0};
/**
* Constructor
*/
public SubbandLayer2 (int subbandnumber) {
this.subbandnumber = subbandnumber;
groupnumber = samplenumber = 0;
}
/**
*
*/
protected int get_allocationlength (Header header) {
if (header.version() == Header.MPEG1) {
int channel_bitrate = header.bitrate_index();
// calculate bitrate per channel:
if (header.mode() != Header.SINGLE_CHANNEL) if (channel_bitrate == 4)
channel_bitrate = 1;
else
channel_bitrate -= 4;
if (channel_bitrate == 1 || channel_bitrate == 2)
// table 3-B.2c or 3-B.2d
if (subbandnumber <= 1)
return 4;
else
return 3;
else
// tables 3-B.2a or 3-B.2b
if (subbandnumber <= 10)
return 4;
else if (subbandnumber <= 22)
return 3;
else
return 2;
} else // table B.1 of ISO/IEC 13818-3
if (subbandnumber <= 3)
return 4;
else if (subbandnumber <= 10)
return 3;
else
return 2;
}
/**
*
*/
protected void prepare_sample_reading (Header header, int allocation,
// float[][] groupingtable,
int channel, float[] factor, int[] codelength, float[] c, float[] d) {
int channel_bitrate = header.bitrate_index();
// calculate bitrate per channel:
if (header.mode() != Header.SINGLE_CHANNEL) if (channel_bitrate == 4)
channel_bitrate = 1;
else
channel_bitrate -= 4;
if (channel_bitrate == 1 || channel_bitrate == 2) {
// table 3-B.2c or 3-B.2d
groupingtable[channel] = table_cd_groupingtables[allocation];
factor[0] = table_cd_factor[allocation];
codelength[0] = table_cd_codelength[allocation];
c[0] = table_cd_c[allocation];
d[0] = table_cd_d[allocation];
} else // tables 3-B.2a or 3-B.2b
if (subbandnumber <= 2) {
groupingtable[channel] = table_ab1_groupingtables[allocation];
factor[0] = table_ab1_factor[allocation];
codelength[0] = table_ab1_codelength[allocation];
c[0] = table_ab1_c[allocation];
d[0] = table_ab1_d[allocation];
} else {
groupingtable[channel] = table_ab234_groupingtables[allocation];
if (subbandnumber <= 10) {
factor[0] = table_ab2_factor[allocation];
codelength[0] = table_ab2_codelength[allocation];
c[0] = table_ab2_c[allocation];
d[0] = table_ab2_d[allocation];
} else if (subbandnumber <= 22) {
factor[0] = table_ab3_factor[allocation];
codelength[0] = table_ab3_codelength[allocation];
c[0] = table_ab3_c[allocation];
d[0] = table_ab3_d[allocation];
} else {
factor[0] = table_ab4_factor[allocation];
codelength[0] = table_ab4_codelength[allocation];
c[0] = table_ab4_c[allocation];
d[0] = table_ab4_d[allocation];
}
}
}
/**
*
*/
public void read_allocation (Bitstream stream, Header header, Crc16 crc) {
int length = get_allocationlength(header);
allocation = stream.get_bits(length);
if (crc != null) crc.add_bits(allocation, length);
}
/**
*
*/
public void read_scalefactor_selection (Bitstream stream, Crc16 crc) {
if (allocation != 0) {
scfsi = stream.get_bits(2);
if (crc != null) crc.add_bits(scfsi, 2);
}
}
/**
*
*/
public void read_scalefactor (Bitstream stream, Header header) {
if (allocation != 0) {
switch (scfsi) {
case 0:
scalefactor1 = scalefactors[stream.get_bits(6)];
scalefactor2 = scalefactors[stream.get_bits(6)];
scalefactor3 = scalefactors[stream.get_bits(6)];
break;
case 1:
scalefactor1 = scalefactor2 = scalefactors[stream.get_bits(6)];
scalefactor3 = scalefactors[stream.get_bits(6)];
break;
case 2:
scalefactor1 = scalefactor2 = scalefactor3 = scalefactors[stream.get_bits(6)];
break;
case 3:
scalefactor1 = scalefactors[stream.get_bits(6)];
scalefactor2 = scalefactor3 = scalefactors[stream.get_bits(6)];
break;
}
prepare_sample_reading(header, allocation, 0, factor, codelength, c, d);
}
}
/**
*
*/
public boolean read_sampledata (Bitstream stream) {
if (allocation != 0) if (groupingtable[0] != null) {
int samplecode = stream.get_bits(codelength[0]);
// create requantized samples:
samplecode += samplecode << 1;
float[] target = samples;
float[] source = groupingtable[0];
/*
* int tmp = 0; int temp = 0; target[tmp++] = source[samplecode + temp]; temp++; target[tmp++] = source[samplecode +
* temp]; temp++; target[tmp] = source[samplecode + temp];
*/
// Bugfix:
int tmp = 0;
int temp = samplecode;
if (temp > source.length - 3) temp = source.length - 3;
target[tmp] = source[temp];
temp++;
tmp++;
target[tmp] = source[temp];
temp++;
tmp++;
target[tmp] = source[temp];
// memcpy (samples, groupingtable + samplecode, 3 * sizeof (real));
} else {
samples[0] = (float)(stream.get_bits(codelength[0]) * factor[0] - 1.0);
samples[1] = (float)(stream.get_bits(codelength[0]) * factor[0] - 1.0);
samples[2] = (float)(stream.get_bits(codelength[0]) * factor[0] - 1.0);
}
samplenumber = 0;
if (++groupnumber == 12)
return true;
else
return false;
}
/**
*
*/
public boolean put_next_sample (int channels, SynthesisFilter filter1, SynthesisFilter filter2) {
if (allocation != 0 && channels != OutputChannels.RIGHT_CHANNEL) {
float sample = samples[samplenumber];
if (groupingtable[0] == null) sample = (sample + d[0]) * c[0];
if (groupnumber <= 4)
sample *= scalefactor1;
else if (groupnumber <= 8)
sample *= scalefactor2;
else
sample *= scalefactor3;
filter1.input_sample(sample, subbandnumber);
}
if (++samplenumber == 3)
return true;
else
return false;
}
};
/**
* Class for layer II subbands in joint stereo mode.
*/
static class SubbandLayer2IntensityStereo extends SubbandLayer2 {
protected int channel2_scfsi;
protected float channel2_scalefactor1, channel2_scalefactor2, channel2_scalefactor3;
/**
* Constructor
*/
public SubbandLayer2IntensityStereo (int subbandnumber) {
super(subbandnumber);
}
/**
*
*/
public void read_allocation (Bitstream stream, Header header, Crc16 crc) {
super.read_allocation(stream, header, crc);
}
/**
*
*/
public void read_scalefactor_selection (Bitstream stream, Crc16 crc) {
if (allocation != 0) {
scfsi = stream.get_bits(2);
channel2_scfsi = stream.get_bits(2);
if (crc != null) {
crc.add_bits(scfsi, 2);
crc.add_bits(channel2_scfsi, 2);
}
}
}
/**
*
*/
public void read_scalefactor (Bitstream stream, Header header) {
if (allocation != 0) {
super.read_scalefactor(stream, header);
switch (channel2_scfsi) {
case 0:
channel2_scalefactor1 = scalefactors[stream.get_bits(6)];
channel2_scalefactor2 = scalefactors[stream.get_bits(6)];
channel2_scalefactor3 = scalefactors[stream.get_bits(6)];
break;
case 1:
channel2_scalefactor1 = channel2_scalefactor2 = scalefactors[stream.get_bits(6)];
channel2_scalefactor3 = scalefactors[stream.get_bits(6)];
break;
case 2:
channel2_scalefactor1 = channel2_scalefactor2 = channel2_scalefactor3 = scalefactors[stream.get_bits(6)];
break;
case 3:
channel2_scalefactor1 = scalefactors[stream.get_bits(6)];
channel2_scalefactor2 = channel2_scalefactor3 = scalefactors[stream.get_bits(6)];
break;
}
}
}
/**
*
*/
public boolean read_sampledata (Bitstream stream) {
return super.read_sampledata(stream);
}
/**
*
*/
public boolean put_next_sample (int channels, SynthesisFilter filter1, SynthesisFilter filter2) {
if (allocation != 0) {
float sample = samples[samplenumber];
if (groupingtable[0] == null) sample = (sample + d[0]) * c[0];
if (channels == OutputChannels.BOTH_CHANNELS) {
float sample2 = sample;
if (groupnumber <= 4) {
sample *= scalefactor1;
sample2 *= channel2_scalefactor1;
} else if (groupnumber <= 8) {
sample *= scalefactor2;
sample2 *= channel2_scalefactor2;
} else {
sample *= scalefactor3;
sample2 *= channel2_scalefactor3;
}
filter1.input_sample(sample, subbandnumber);
filter2.input_sample(sample2, subbandnumber);
} else if (channels == OutputChannels.LEFT_CHANNEL) {
if (groupnumber <= 4)
sample *= scalefactor1;
else if (groupnumber <= 8)
sample *= scalefactor2;
else
sample *= scalefactor3;
filter1.input_sample(sample, subbandnumber);
} else {
if (groupnumber <= 4)
sample *= channel2_scalefactor1;
else if (groupnumber <= 8)
sample *= channel2_scalefactor2;
else
sample *= channel2_scalefactor3;
filter1.input_sample(sample, subbandnumber);
}
}
if (++samplenumber == 3)
return true;
else
return false;
}
};
/**
* Class for layer II subbands in stereo mode.
*/
static class SubbandLayer2Stereo extends SubbandLayer2 {
protected int channel2_allocation;
protected int channel2_scfsi;
protected float channel2_scalefactor1, channel2_scalefactor2, channel2_scalefactor3;
// protected boolean channel2_grouping; ???? Never used!
protected int[] channel2_codelength = {0};
// protected float[][] channel2_groupingtable = {{0},{0}};
protected float[] channel2_factor = {0};
protected float[] channel2_samples;
protected float[] channel2_c = {0};
protected float[] channel2_d = {0};
/**
* Constructor
*/
public SubbandLayer2Stereo (int subbandnumber) {
super(subbandnumber);
channel2_samples = new float[3];
}
/**
*
*/
public void read_allocation (Bitstream stream, Header header, Crc16 crc) {
int length = get_allocationlength(header);
allocation = stream.get_bits(length);
channel2_allocation = stream.get_bits(length);
if (crc != null) {
crc.add_bits(allocation, length);
crc.add_bits(channel2_allocation, length);
}
}
/**
*
*/
public void read_scalefactor_selection (Bitstream stream, Crc16 crc) {
if (allocation != 0) {
scfsi = stream.get_bits(2);
if (crc != null) crc.add_bits(scfsi, 2);
}
if (channel2_allocation != 0) {
channel2_scfsi = stream.get_bits(2);
if (crc != null) crc.add_bits(channel2_scfsi, 2);
}
}
/**
*
*/
public void read_scalefactor (Bitstream stream, Header header) {
super.read_scalefactor(stream, header);
if (channel2_allocation != 0) {
switch (channel2_scfsi) {
case 0:
channel2_scalefactor1 = scalefactors[stream.get_bits(6)];
channel2_scalefactor2 = scalefactors[stream.get_bits(6)];
channel2_scalefactor3 = scalefactors[stream.get_bits(6)];
break;
case 1:
channel2_scalefactor1 = channel2_scalefactor2 = scalefactors[stream.get_bits(6)];
channel2_scalefactor3 = scalefactors[stream.get_bits(6)];
break;
case 2:
channel2_scalefactor1 = channel2_scalefactor2 = channel2_scalefactor3 = scalefactors[stream.get_bits(6)];
break;
case 3:
channel2_scalefactor1 = scalefactors[stream.get_bits(6)];
channel2_scalefactor2 = channel2_scalefactor3 = scalefactors[stream.get_bits(6)];
break;
}
prepare_sample_reading(header, channel2_allocation, 1, channel2_factor, channel2_codelength, channel2_c, channel2_d);
}
}
/**
*
*/
public boolean read_sampledata (Bitstream stream) {
boolean returnvalue = super.read_sampledata(stream);
if (channel2_allocation != 0) if (groupingtable[1] != null) {
int samplecode = stream.get_bits(channel2_codelength[0]);
// create requantized samples:
samplecode += samplecode << 1;
/*
* float[] target = channel2_samples; float[] source = channel2_groupingtable[0]; int tmp = 0; int temp = 0;
* target[tmp++] = source[samplecode + temp]; temp++; target[tmp++] = source[samplecode + temp]; temp++; target[tmp] =
* source[samplecode + temp]; // memcpy (channel2_samples, channel2_groupingtable + samplecode, 3 sizeof (real));
*/
float[] target = channel2_samples;
float[] source = groupingtable[1];
int tmp = 0;
int temp = samplecode;
target[tmp] = source[temp];
temp++;
tmp++;
target[tmp] = source[temp];
temp++;
tmp++;
target[tmp] = source[temp];
} else {
channel2_samples[0] = (float)(stream.get_bits(channel2_codelength[0]) * channel2_factor[0] - 1.0);
channel2_samples[1] = (float)(stream.get_bits(channel2_codelength[0]) * channel2_factor[0] - 1.0);
channel2_samples[2] = (float)(stream.get_bits(channel2_codelength[0]) * channel2_factor[0] - 1.0);
}
return returnvalue;
}
/**
*
*/
public boolean put_next_sample (int channels, SynthesisFilter filter1, SynthesisFilter filter2) {
boolean returnvalue = super.put_next_sample(channels, filter1, filter2);
if (channel2_allocation != 0 && channels != OutputChannels.LEFT_CHANNEL) {
float sample = channel2_samples[samplenumber - 1];
if (groupingtable[1] == null) sample = (sample + channel2_d[0]) * channel2_c[0];
if (groupnumber <= 4)
sample *= channel2_scalefactor1;
else if (groupnumber <= 8)
sample *= channel2_scalefactor2;
else
sample *= channel2_scalefactor3;
if (channels == OutputChannels.BOTH_CHANNELS)
filter2.input_sample(sample, subbandnumber);
else
filter1.input_sample(sample, subbandnumber);
}
return returnvalue;
}
}
}
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