CoCalc -- LayerIIDecoder.java

GitHub Repository: lDEVinux/eaglercraft
Path: blob/main/src/lwjgl/java/javazoom/jl/decoder/LayerIIDecoder.java
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/*
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 * 11/19/04  1.0 moved to LGPL.
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 * 
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 * 29/05/01  Michael Scheerer,  Fixed some C++ to Java porting bugs. 
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 *
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 * 16/07/01  Michael Scheerer, Catched a bug in method
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 *           read_sampledata, which causes an outOfIndexException.
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 * 
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 * 12/12/99  Initial version. Adapted from javalayer.java
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 *			 and Subband*.java. [email protected]
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 *
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 * 02/28/99  Initial version : javalayer.java by E.B
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 *-----------------------------------------------------------------------
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 *   This program is free software; you can redistribute it and/or modify
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 *   it under the terms of the GNU Library General Public License as published
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 *   by the Free Software Foundation; either version 2 of the License, or
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 *   (at your option) any later version.
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 *
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 *   This program is distributed in the hope that it will be useful,
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 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *   GNU Library General Public License for more details.
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 *
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 *   You should have received a copy of the GNU Library General Public
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 *   License along with this program; if not, write to the Free Software
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 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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 *----------------------------------------------------------------------
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 */
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package javazoom.jl.decoder;
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/**
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 * Implements decoding of MPEG Audio Layer II frames. 
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 */
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class LayerIIDecoder extends LayerIDecoder implements FrameDecoder
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{
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	public LayerIIDecoder()
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	{
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	}
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	protected void createSubbands()
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	{		
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  		int i;
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		if (mode == Header.SINGLE_CHANNEL)
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  		  for (i = 0; i < num_subbands; ++i)
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  		    subbands[i] = new SubbandLayer2(i);
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  		else if (mode == Header.JOINT_STEREO)
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  		{
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  		  for (i = 0; i < header.intensity_stereo_bound(); ++i)
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  		      subbands[i] = new SubbandLayer2Stereo(i);
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  		  for (; i < num_subbands; ++i)
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  		      subbands[i] = new SubbandLayer2IntensityStereo(i);
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  		}
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		else
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		{
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  		  for (i = 0; i < num_subbands; ++i)
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  		      subbands[i] = new SubbandLayer2Stereo(i);
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        }
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	}
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	protected void readScaleFactorSelection()
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	{
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  		for (int i = 0; i < num_subbands; ++i)
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  		  ((SubbandLayer2)subbands[i]).read_scalefactor_selection(stream, crc);		
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	}
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	 /**
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	  * Class for layer II subbands in single channel mode.
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	  */
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	static class SubbandLayer2 extends Subband
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	{
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	  // this table contains 3 requantized samples for each legal codeword
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	  // when grouped in 5 bits, i.e. 3 quantizationsteps per sample
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	public static final float grouping_5bits[] = new float[]
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	{
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	  -2.0f/3.0f, -2.0f/3.0f, -2.0f/3.0f,
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			 0.0f, -2.0f/3.0f, -2.0f/3.0f,
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		2.0f/3.0f, -2.0f/3.0f, -2.0f/3.0f,
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	  -2.0f/3.0f,      0.0f, -2.0f/3.0f,
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			 0.0f,      0.0f, -2.0f/3.0f,
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		2.0f/3.0f,      0.0f, -2.0f/3.0f,
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	  -2.0f/3.0f,  2.0f/3.0f, -2.0f/3.0f,
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			 0.0f,  2.0f/3.0f, -2.0f/3.0f,
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		2.0f/3.0f,  2.0f/3.0f, -2.0f/3.0f,
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	  -2.0f/3.0f, -2.0f/3.0f,      0.0f,
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			 0.0f, -2.0f/3.0f,      0.0f,
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		2.0f/3.0f, -2.0f/3.0f,      0.0f,
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	  -2.0f/3.0f,      0.0f,      0.0f,
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			 0.0f,      0.0f,      0.0f,
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		2.0f/3.0f,      0.0f,      0.0f,
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	  -2.0f/3.0f,  2.0f/3.0f,      0.0f,
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			 0.0f,  2.0f/3.0f,      0.0f,
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		2.0f/3.0f,  2.0f/3.0f,      0.0f,
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	  -2.0f/3.0f, -2.0f/3.0f,  2.0f/3.0f,
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	       0.0f, -2.0f/3.0f,  2.0f/3.0f,
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		2.0f/3.0f, -2.0f/3.0f,  2.0f/3.0f,
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	  -2.0f/3.0f,      0.0f,  2.0f/3.0f,
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	       0.0f,      0.0f,  2.0f/3.0f,
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	   2.0f/3.0f,      0.0f,  2.0f/3.0f,
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	  -2.0f/3.0f,  2.0f/3.0f,  2.0f/3.0f,
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			 0.0f,  2.0f/3.0f,  2.0f/3.0f,
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	   2.0f/3.0f,  2.0f/3.0f,  2.0f/3.0f
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	};
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	// this table contains 3 requantized samples for each legal codeword
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	// when grouped in 7 bits, i.e. 5 quantizationsteps per sample
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	public static final float grouping_7bits[] = new float[]
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	{
114
	  -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,
115
	  -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,
116
	  -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,
117
	  -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,
118
	  -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,
119
	  -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,
120
	  -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,
121
	  -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,
122
	  -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,
123
	  -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,
124
	  -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,
125
	  -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,
126
	  -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,
127
	  -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,
128
	  -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,
129
	  -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,
130
	  -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,
131
	  -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,
132
	  -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,
133
	  -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,
134
	  -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,
135
	  -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,
136
	  -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,
137
	  -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,
138
	  -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
139
	};
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	// this table contains 3 requantized samples for each legal codeword
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	// when grouped in 10 bits, i.e. 9 quantizationsteps per sample
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	public static final float grouping_10bits[] =
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	{
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	  -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,
146
	  -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,
147
		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,
148
	  -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,
149
	  -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,
150
		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,
151
	  -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,
152
	  -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,
153
		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,
154
	  -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,
155
	  -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,
156
		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,
157
	  -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,
158
	  -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,
159
		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,
160
	  -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,
161
	  -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,
162
		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,
163
	  -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,
164
	  -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,
165
		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,
166
	  -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,
167
	  -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,
168
		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,
169
	  -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,
170
	  -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,
171
		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,
172
	  -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,
173
	  -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,
174
		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,
175
	  -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,
176
	  -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,
177
		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,
178
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179
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180
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182
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183
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184
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185
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187
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188
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189
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190
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191
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192
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193
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194
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195
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196
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197
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198
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199
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200
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201
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202
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203
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204
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205
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206
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207
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208
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209
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210
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211
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212
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213
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214
	  -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,
215
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216
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217
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218
	  -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,
219
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220
	  -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,
221
	  -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,
222
		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,
223
	  -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,
224
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225
		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,
226
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227
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228
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229
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230
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231
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232
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233
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234
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235
	  -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,
236
	  -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,
237
		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,
238
	  -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,
239
	  -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,
240
		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,
241
	  -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,
242
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243
		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,
244
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245
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246
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247
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248
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249
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250
	  -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,
251
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252
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253
	  -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,
254
	  -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,
255
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256
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257
	  -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,
258
		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,
259
	  -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,
260
	  -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,
261
		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,
262
	  -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,
263
	  -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,
264
		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,
265
	  -8.0f/9.0f,      0.0f,      0.0f,   -6.0f/9.0f,      0.0f,      0.0f,   -4.0f/9.0f,      0.0f,      0.0f,
266
	  -2.0f/9.0f,      0.0f,      0.0f,        0.0f,      0.0f,      0.0f,    2.0f/9.0f,      0.0f,      0.0f,
267
		4.0f/9.0f,      0.0f,      0.0f,    6.0f/9.0f,      0.0f,      0.0f,    8.0f/9.0f,      0.0f,      0.0f,
268
	  -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,
269
	  -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,
270
		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,
271
	  -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,
272
	  -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,
273
		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,
274
	  -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,
275
	  -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,
276
		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,
277
	  -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,
278
	  -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,
279
	   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,
280
	  -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,
281
	  -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,
282
		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,
283
	  -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,
284
	  -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,
285
		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,
286
	  -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,
287
	  -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,
288
	   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,
289
	  -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,
290
	  -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,
291
	   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,
292
	  -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,
293
	  -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,
294
	   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,
295
	  -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,
296
	  -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,
297
	   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,
298
	  -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,
299
	  -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,
300
		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,
301
	  -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,
302
	  -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,
303
	   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,
304
	  -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,
305
	  -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,
306
	   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,
307
	  -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,
308
	  -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,
309
		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,
310
	  -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,
311
	  -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,
312
	   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,
313
	  -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,
314
	  -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,
315
	   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,
316
	  -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,
317
	  -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,
318
		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,
319
	  -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,
320
	  -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,
321
	   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,
322
	  -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,
323
	  -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,
324
	   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,
325
	  -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,
326
	  -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,
327
	   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,
328
	  -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,
329
	  -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,
330
		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,
331
	  -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,
332
	  -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,
333
		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,
334
	  -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,
335
	  -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,
336
	   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,
337
	  -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,
338
	  -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,
339
	   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,
340
	  -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,
341
	  -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,
342
		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,
343
	  -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,
344
	  -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,
345
	   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,
346
	  -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,
347
	  -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,
348
		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,
349
	  -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,
350
	  -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,
351
		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,
352
	  -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,
353
	  -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,
354
		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,
355
	  -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,
356
	  -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,
357
		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,
358
	  -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,
359
	  -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,
360
		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,
361
	  -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,
362
	  -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,
363
	   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,
364
	  -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,
365
	  -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,
366
		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,
367
	  -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,
368
	  -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,
369
	   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,
370
	  -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,
371
	  -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,
372
	   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,
373
	  -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,
374
	  -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,
375
	   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,
376
	  -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,
377
	  -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,
378
		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,
379
	  -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,
380
	  -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,
381
		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,
382
	  -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,
383
	  -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,
384
	   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,
385
	  -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,
386
	  -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,
387
	   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
388
	};
389

390
	// data taken from ISO/IEC DIS 11172, Annexes 3-B.2[abcd] and 3-B.4:
391

392
	// subbands 0-2 in tables 3-B.2a and 2b: (index is allocation)
393
	public static final int table_ab1_codelength[] =
394
	  // bits per codeword
395
	{ 0, 5, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 };
396

397
	public static final float table_ab1_groupingtables[][] =
398
	  // pointer to sample grouping table, or NULL-pointer if ungrouped
399
	{ null, grouping_5bits, null, null, null, null, null, null, null, null, null, null, null, null, null, null };
400

401
	public static final float table_ab1_factor[] =
402
	  // factor for requantization: (real)sample * factor - 1.0 gives requantized sample
403
	{ 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,
404
	  1.0f/128.0f, 1.0f/256.0f, 1.0f/512.0f, 1.0f/1024.0f, 1.0f/2048.0f,
405
	  1.0f/4096.0f, 1.0f/8192.0f, 1.0f/16384.0f, 1.0f/32768.0f };
406

407
	public static final float table_ab1_c[] =
408
	  // factor c for requantization from table 3-B.4
409
	{ 0.0f,           1.33333333333f, 1.14285714286f, 1.06666666666f, 1.03225806452f,
410
	  1.01587301587f, 1.00787401575f, 1.00392156863f, 1.00195694716f, 1.00097751711f,
411
	  1.00048851979f, 1.00024420024f, 1.00012208522f, 1.00006103888f, 1.00003051851f,
412
	  1.00001525902f };
413

414
	public static final float table_ab1_d[] =
415
	  // addend d for requantization from table 3-B.4
416
	{ 0.0f,           0.50000000000f, 0.25000000000f, 0.12500000000f, 0.06250000000f,
417
	  0.03125000000f, 0.01562500000f, 0.00781250000f, 0.00390625000f, 0.00195312500f,
418
	  0.00097656250f, 0.00048828125f, 0.00024414063f, 0.00012207031f, 0.00006103516f,
419
	  0.00003051758f };
420

421
	// subbands 3-... tables 3-B.2a and 2b:
422
	public static final float[] table_ab234_groupingtables[] =
423
	{ null, grouping_5bits, grouping_7bits, null, grouping_10bits, null, null, null, null, null, null, null, null, null, null, null };
424

425
	// subbands 3-10 in tables 3-B.2a and 2b:
426
	public static final int table_ab2_codelength[] =
427
	{ 0, 5, 7, 3, 10, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 16 };
428
	public static final float table_ab2_factor[] =
429
	{ 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,
430
	  1.0f/32.0f, 1.0f/64.0f, 1.0f/128.0f, 1.0f/256.0f, 1.0f/512.0f,
431
	  1.0f/1024.0f, 1.0f/2048.0f, 1.0f/4096.0f, 1.0f/32768.0f };
432
	public static final float table_ab2_c[] =
433
	{ 0.0f,           1.33333333333f, 1.60000000000f, 1.14285714286f, 1.77777777777f,
434
	  1.06666666666f, 1.03225806452f, 1.01587301587f, 1.00787401575f, 1.00392156863f,
435
	  1.00195694716f, 1.00097751711f, 1.00048851979f, 1.00024420024f, 1.00012208522f,
436
	  1.00001525902f };
437
	public static final float table_ab2_d[] =
438
	{ 0.0f,           0.50000000000f, 0.50000000000f, 0.25000000000f, 0.50000000000f,
439
	  0.12500000000f, 0.06250000000f, 0.03125000000f, 0.01562500000f, 0.00781250000f,
440
	  0.00390625000f, 0.00195312500f, 0.00097656250f, 0.00048828125f, 0.00024414063f,
441
	  0.00003051758f };
442

443
	// subbands 11-22 in tables 3-B.2a and 2b:
444
	public static final int table_ab3_codelength[] = { 0, 5, 7, 3, 10, 4, 5, 16 };
445
	public static final float table_ab3_factor[] =
446
	{ 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 };
447
	public static final float table_ab3_c[] =
448
	{ 0.0f,           1.33333333333f, 1.60000000000f, 1.14285714286f, 1.77777777777f,
449
	  1.06666666666f, 1.03225806452f, 1.00001525902f };
450
	public static final float table_ab3_d[] =
451
	{ 0.0f,           0.50000000000f, 0.50000000000f, 0.25000000000f, 0.50000000000f,
452
	  0.12500000000f, 0.06250000000f, 0.00003051758f };
453

454
	// subbands 23-... in tables 3-B.2a and 2b:
455
	public static final int table_ab4_codelength[] = { 0, 5, 7, 16 };
456
	public static final float table_ab4_factor[] = { 0.0f, 1.0f/2.0f, 1.0f/4.0f, 1.0f/32768.0f };
457
	public static final float table_ab4_c[] = { 0.0f, 1.33333333333f, 1.60000000000f, 1.00001525902f };
458
	public static final float table_ab4_d[] = { 0.0f, 0.50000000000f, 0.50000000000f, 0.00003051758f };
459

460
	// subbands in tables 3-B.2c and 2d:
461
	public static final int table_cd_codelength[] =
462
	{ 0, 5, 7, 10, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
463
	public static final float table_cd_groupingtables[][] =
464
	{ null, grouping_5bits, grouping_7bits, grouping_10bits, null, null, null, null, null, null, null, null, null, null, null, null };
465
	public static final float table_cd_factor[] =
466
	{ 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,
467
	  1.0f/128.0f, 1.0f/256.0f, 1.0f/512.0f, 1.0f/1024.0f, 1.0f/2048.0f, 1.0f/4096.0f,
468
	  1.0f/8192.0f, 1.0f/16384.0f };
469
	public static final float table_cd_c[] =
470
	{ 0.0f,           1.33333333333f, 1.60000000000f, 1.77777777777f, 1.06666666666f,
471
	  1.03225806452f, 1.01587301587f, 1.00787401575f, 1.00392156863f, 1.00195694716f,
472
	  1.00097751711f, 1.00048851979f, 1.00024420024f, 1.00012208522f, 1.00006103888f,
473
	  1.00003051851f };
474
	public static final float table_cd_d[] =
475
	{ 0.0f,           0.50000000000f, 0.50000000000f, 0.50000000000f, 0.12500000000f,
476
	  0.06250000000f, 0.03125000000f, 0.01562500000f, 0.00781250000f, 0.00390625000f,
477
	  0.00195312500f, 0.00097656250f, 0.00048828125f, 0.00024414063f, 0.00012207031f,
478
	  0.00006103516f };
479

480

481

482
	  protected int 		    subbandnumber;
483
	  protected int				allocation;
484
	  protected int				scfsi;
485
	  protected float			scalefactor1, scalefactor2, scalefactor3;
486
	  protected int[] 			codelength = {0}; 
487
	  protected float groupingtable[][] = new float[2][]; 
488
	  //protected float[][] 		groupingtable = {{0},{0}} ;
489
	  protected float[]			factor = {0.0f};
490
	  protected int				groupnumber;
491
	  protected int 			samplenumber;
492
	  protected float[]			samples = new float[3];
493
	  protected float[]			c = {0};
494
	  protected float[]		    d = {0};
495
	  /**
496
	   * Constructor
497
	   */
498
	  public SubbandLayer2(int subbandnumber)
499
	  {	
500
		this.subbandnumber = subbandnumber;
501
	    groupnumber = samplenumber = 0;  
502
	  }
503
	  
504
	  
505
	  /**
506
	   *
507
	   */
508
	  protected int get_allocationlength (Header header)
509
	  {
510
	 	if (header.version() == Header.MPEG1)
511
		{
512
		  int channel_bitrate = header.bitrate_index();
513

514
		  // calculate bitrate per channel:
515
		  if (header.mode() != Header.SINGLE_CHANNEL)
516
			 if (channel_bitrate == 4)
517
				channel_bitrate = 1;
518
			 else
519
				channel_bitrate -= 4;
520

521
		  if (channel_bitrate == 1 || channel_bitrate == 2)
522
			 // table 3-B.2c or 3-B.2d
523
			 if (subbandnumber <= 1)
524
				return 4;
525
			 else
526
				return 3;
527
		  else
528
			 // tables 3-B.2a or 3-B.2b
529
			 if (subbandnumber <= 10)
530
				return 4;
531
			 else if (subbandnumber <= 22)
532
				return 3;
533
			 else
534
				return 2;
535
	    }
536
		else
537
		{ // MPEG-2 LSF -- Jeff
538

539
		 // table B.1 of ISO/IEC 13818-3
540
	     if (subbandnumber <= 3)
541
	     		return 4;
542
	     else if (subbandnumber <= 10)
543
	     		return 3;
544
	     else
545
	     		return 2;
546
	    }
547
	  }
548
	  
549
	  /**
550
	   *
551
	   */
552
	   protected void prepare_sample_reading(Header header, int allocation,
553
											 //float[][] groupingtable,
554
											   int channel,
555
	                                         float[] factor, int[] codelength,
556
	                                         float[] c, float[] d)
557
	   {
558
	 	 	int channel_bitrate = header.bitrate_index();
559
	  		// calculate bitrate per channel:
560
		  	if (header.mode() != Header.SINGLE_CHANNEL)
561
		 		if (channel_bitrate == 4)
562
					channel_bitrate = 1;
563
		 		else
564
					channel_bitrate -= 4;
565
			
566
	 		 if (channel_bitrate == 1 || channel_bitrate == 2)
567
	 		 {
568
				 // table 3-B.2c or 3-B.2d
569
				 groupingtable[channel] = table_cd_groupingtables[allocation];
570
				 factor[0] = table_cd_factor[allocation];
571
				 codelength[0] = table_cd_codelength[allocation];
572
				 c[0] = table_cd_c[allocation];
573
				 d[0] = table_cd_d[allocation];
574
	 		 }
575
	 		 else
576
	 		 {
577
				 // tables 3-B.2a or 3-B.2b
578
				 if (subbandnumber <= 2)
579
				 {
580
					groupingtable[channel] = table_ab1_groupingtables[allocation];
581
					factor[0] = table_ab1_factor[allocation];
582
					codelength[0] = table_ab1_codelength[allocation];
583
	 		     	c[0] = table_ab1_c[allocation];
584
	 		     	d[0] = table_ab1_d[allocation];
585
	 		     }
586
				 else
587
				 {
588
	 		     	groupingtable[channel] = table_ab234_groupingtables[allocation];
589
					if (subbandnumber <= 10)
590
					{
591
						factor[0] = table_ab2_factor[allocation];
592
						codelength[0] = table_ab2_codelength[allocation];
593
						c[0] = table_ab2_c[allocation];
594
						d[0] = table_ab2_d[allocation];
595
	 		     	}
596
	 		     	else if (subbandnumber <= 22)
597
	 		     	{
598
						factor[0] = table_ab3_factor[allocation];
599
						codelength[0] = table_ab3_codelength[allocation];
600
						c[0] = table_ab3_c[allocation];
601
						d[0] = table_ab3_d[allocation];
602
	 		     	}
603
					else
604
	 		     	{
605
						factor[0] = table_ab4_factor[allocation];
606
						codelength[0] = table_ab4_codelength[allocation];
607
						c[0] = table_ab4_c[allocation];
608
						d[0] = table_ab4_d[allocation];
609
	 		     	}
610
	 		   	 }
611
	 		 }   
612
	   }
613
					 
614
	  
615
	  /**
616
	   *
617
	   */
618
	  public void read_allocation(Bitstream stream, Header header, Crc16 crc)
619
	  {
620
		 int length = get_allocationlength(header);
621
		 allocation = stream.get_bits(length);
622
		 if (crc != null) 
623
			 crc.add_bits(allocation, length);  
624
	  }
625
	  
626
	  /**
627
	   *
628
	   */
629
	  public void read_scalefactor_selection (Bitstream stream, Crc16 crc)
630
	  {
631
	 	if (allocation != 0)
632
	 	{
633
	    	scfsi = stream.get_bits(2);
634
	    	if (crc != null) crc.add_bits(scfsi, 2);
635
	    }
636
	  }
637

638
	  /**
639
	   *
640
	   */
641
	  public void read_scalefactor (Bitstream stream, Header header)
642
	  {
643
	 	if (allocation != 0)
644
	 	{
645
	 	   switch (scfsi)
646
	       {
647
	      	case 0:
648
	  	  	 scalefactor1 = scalefactors[stream.get_bits(6)];
649
		  	 scalefactor2 = scalefactors[stream.get_bits(6)];
650
		  	 scalefactor3 = scalefactors[stream.get_bits(6)];
651
		  	 break;
652
			case 1:
653
		  	 scalefactor1 = scalefactor2 = scalefactors[stream.get_bits(6)];
654
		  	 scalefactor3 = scalefactors[stream.get_bits(6)];
655
		  	 break;
656
	        case 2:
657
		  	 scalefactor1 = scalefactor2 = scalefactor3 = scalefactors[stream.get_bits(6)];
658
			 break;
659
		    case 3:
660
		  	 scalefactor1 = scalefactors[stream.get_bits(6)];
661
		     scalefactor2 = scalefactor3 = scalefactors[stream.get_bits(6)];
662
		     break;
663
	    	}
664
	    	prepare_sample_reading(header, allocation, 0,
665
				    factor, codelength, c, d);
666
	  }
667
	  }
668
	  
669
	  /**
670
	   *
671
	   */
672
	  public boolean read_sampledata (Bitstream stream)
673
	  {
674
	  	if (allocation != 0)
675
		 if (groupingtable[0] != null)
676
		 {
677
			int samplecode = stream.get_bits(codelength[0]);
678
			// create requantized samples:
679
			samplecode += samplecode << 1;
680
			float[] target = samples;
681
			float[] source = groupingtable[0];
682
		  /*
683
		  int tmp = 0;
684
			int temp = 0;
685
			target[tmp++] = source[samplecode + temp];
686
			temp++;
687
			target[tmp++] = source[samplecode + temp];
688
			temp++;
689
			target[tmp] = source[samplecode + temp];
690
			*/
691
			//Bugfix:
692
			int tmp = 0;
693
			int temp = samplecode;
694
			
695
			if(temp > source.length - 3) temp = source.length - 3;
696
			
697
			target[tmp] = source[temp];
698
			temp++;tmp++;
699
			target[tmp] = source[temp];
700
			temp++;tmp++;
701
			target[tmp] = source[temp];
702
			
703
			// memcpy (samples, groupingtable + samplecode, 3 * sizeof (real));
704
		 }
705
		 else
706
		 {
707
			samples[0] = (float) ((stream.get_bits(codelength[0])) * factor[0] - 1.0);
708
			samples[1] = (float) ((stream.get_bits(codelength[0])) * factor[0] - 1.0);
709
			samples[2] = (float) ((stream.get_bits(codelength[0])) * factor[0] - 1.0);
710
		 }
711

712
	  	samplenumber = 0;
713
		  if (++groupnumber == 12)
714
			 return true;
715
		  else
716
			 return false;
717
	  }
718

719
	  /**
720
	   *
721
	   */
722
	  public boolean put_next_sample(int channels, SynthesisFilter filter1, SynthesisFilter filter2)
723
	  {
724
	    if ((allocation != 0) && (channels != OutputChannels.RIGHT_CHANNEL))
725
	    {
726
	  	 float sample = samples[samplenumber];
727
	  
728
	  	 if (groupingtable[0] == null)
729
	  		sample = (sample + d[0]) * c[0];
730
	  	 if (groupnumber <= 4)
731
	  		sample *= scalefactor1;
732
	  	 else if (groupnumber <= 8)
733
	  		sample *= scalefactor2;
734
	  	 else
735
	  		sample *= scalefactor3;
736
	  	 filter1.input_sample(sample, subbandnumber);
737
	    }
738
	  
739
	    if (++samplenumber == 3)
740
	  	 return true;
741
	    else
742
		 return false;
743
	  }
744
	};
745
	
746
	 /**
747
	  * Class for layer II subbands in joint stereo mode.
748
	  */
749
	static class SubbandLayer2IntensityStereo extends SubbandLayer2
750
	{
751
	  protected int		 channel2_scfsi;
752
	  protected float 	 channel2_scalefactor1, channel2_scalefactor2, channel2_scalefactor3;
753

754
	  /**
755
	   * Constructor
756
	   */
757
	  public SubbandLayer2IntensityStereo (int subbandnumber)
758
	  {
759
	 	super(subbandnumber);
760
	  }
761

762
	  /**
763
	   *
764
	   */
765
	  public void read_allocation(Bitstream stream, Header header, Crc16 crc)
766
	  {
767
	    super.read_allocation (stream, header, crc);
768
	  }
769
	  
770
	  /**
771
	   *
772
	   */
773
	  public void read_scalefactor_selection(Bitstream stream, Crc16 crc)
774
	  {
775
	    if (allocation != 0)
776
	    {
777
	  	 scfsi = stream.get_bits(2);
778
	  	 channel2_scfsi = stream.get_bits(2);
779
	  	 if (crc != null)
780
	  	 {
781
	  		crc.add_bits(scfsi, 2);
782
	  		crc.add_bits(channel2_scfsi, 2);
783
	  	 }
784
	    }  
785
	  }
786
	  
787
	  /**
788
	   *
789
	   */
790
	  public void read_scalefactor(Bitstream stream, Header header)
791
	  {
792
	    if (allocation != 0)
793
	    {
794
	  	 super.read_scalefactor(stream, header);
795
	  	 switch (channel2_scfsi)
796
	  	 {
797
	  		case 0:
798
	  		channel2_scalefactor1 = scalefactors[stream.get_bits(6)];
799
	  		channel2_scalefactor2 = scalefactors[stream.get_bits(6)];
800
	  		channel2_scalefactor3 = scalefactors[stream.get_bits(6)];
801
	  		break;
802
	  
803
	  		case 1:
804
	  		channel2_scalefactor1 = channel2_scalefactor2 = scalefactors[stream.get_bits (6)];
805
	  		channel2_scalefactor3 = scalefactors[stream.get_bits(6)];
806
	  		break;
807
	  
808
	  		case 2:
809
	  		channel2_scalefactor1 = channel2_scalefactor2 =
810
	  		channel2_scalefactor3 = scalefactors[stream.get_bits(6)];
811
	  		break;
812
	  
813
	  		case 3:
814
	  		channel2_scalefactor1 = scalefactors[stream.get_bits(6)];
815
	  		channel2_scalefactor2 = channel2_scalefactor3 = scalefactors[stream.get_bits (6)];
816
	  		break;
817
	  	 }
818
	    }
819
	  
820
	  }
821
	  
822
	  /**
823
	   *
824
	   */
825
	  public boolean read_sampledata(Bitstream stream)
826
	  {
827
		 return super.read_sampledata (stream);
828
	  }
829
	  
830
	  /**
831
	   *
832
	   */
833
	  public boolean put_next_sample(int channels, SynthesisFilter filter1, SynthesisFilter filter2)
834
	  {
835
		  if (allocation != 0)
836
		  {
837
			 float sample = samples[samplenumber];
838
		
839
			 if (groupingtable[0] == null)
840
				sample = (sample + d[0]) * c[0];
841
		       if (channels == OutputChannels.BOTH_CHANNELS)
842
			   {
843
				  float sample2 = sample;
844
			      if (groupnumber <= 4)
845
			      {
846
					sample *= scalefactor1;
847
					sample2 *= channel2_scalefactor1;
848
				  }
849
				  else if (groupnumber <= 8)
850
				  {
851
					sample *= scalefactor2;
852
					sample2 *= channel2_scalefactor2;
853
				  }
854
				  else
855
				  {
856
					sample *= scalefactor3;
857
					sample2 *= channel2_scalefactor3;
858
				  }
859
				  filter1.input_sample(sample, subbandnumber);
860
			      filter2.input_sample(sample2, subbandnumber);
861
			    }
862
		 	   	else if (channels == OutputChannels.LEFT_CHANNEL)
863
				{
864
					if (groupnumber <= 4)
865
						sample *= scalefactor1;
866
		 	     	else if (groupnumber <= 8)
867
						sample *= scalefactor2;
868
					else
869
						sample *= scalefactor3;
870
					filter1.input_sample(sample, subbandnumber);
871
				 }
872
				 else
873
				 {
874
					if (groupnumber <= 4)
875
					sample *= channel2_scalefactor1;
876
					else if (groupnumber <= 8)
877
						sample *= channel2_scalefactor2;
878
					else
879
						sample *= channel2_scalefactor3;
880
					filter1.input_sample(sample, subbandnumber);
881
			 	}
882
		  	}
883
		
884
		  if (++samplenumber == 3)
885
			 return true;
886
		  else
887
		 return false;
888
	  }
889
	};
890

891
	 /**
892
	  * Class for layer II subbands in stereo mode.
893
	  */
894
	static class SubbandLayer2Stereo extends SubbandLayer2
895
	{
896
	  protected int			channel2_allocation;
897
	  protected int 		channel2_scfsi;
898
	  protected float	 	channel2_scalefactor1, channel2_scalefactor2, channel2_scalefactor3;
899
	  //protected boolean	 	channel2_grouping;  ???? Never used!
900
	  protected int[] 		channel2_codelength = {0};
901
	  //protected float[][] 	channel2_groupingtable = {{0},{0}};
902
	  protected float[]	 	channel2_factor = {0};
903
	  protected float[] 	channel2_samples;
904
	  protected float[]	 	channel2_c = {0};
905
	  protected float[]		channel2_d = {0};
906
	  
907
	  /**
908
	   * Constructor
909
	   */
910
	  public SubbandLayer2Stereo(int subbandnumber)
911
	  {
912
	 	super(subbandnumber);
913
		channel2_samples = new float[3];
914
	  }
915
	  
916
	  /**
917
	   *
918
	   */
919
	  public void read_allocation (Bitstream stream, Header header, Crc16 crc)
920
	  {
921
	    int length = get_allocationlength(header);
922
	    allocation = stream.get_bits(length);
923
	    channel2_allocation = stream.get_bits(length);
924
	    if (crc != null)
925
	    {
926
	  	 crc.add_bits(allocation, length);
927
	  	 crc.add_bits(channel2_allocation, length);
928
	    }
929
	  }
930

931
	  /**
932
	   *
933
	   */
934
	  public void read_scalefactor_selection(Bitstream stream, Crc16 crc)
935
	  {
936
		  if (allocation != 0)
937
		  {
938
			 scfsi = stream.get_bits(2);
939
			 if (crc != null)
940
				crc.add_bits(scfsi, 2);
941
		  }
942
		  if (channel2_allocation != 0)
943
		  {
944
			 channel2_scfsi = stream.get_bits(2);
945
			 if (crc != null)
946
				crc.add_bits(channel2_scfsi, 2);
947
	  	  }
948
	  }
949

950
	  /**
951
	   *
952
	   */
953
	  public void read_scalefactor(Bitstream stream, Header header)
954
	  {
955
	    super.read_scalefactor(stream, header);
956
	    if (channel2_allocation != 0)
957
	    {
958
	  	 switch (channel2_scfsi)
959
	  	 {
960
	  		case 0:
961
	    	   channel2_scalefactor1 = scalefactors[stream.get_bits(6)];
962
	  	  	   channel2_scalefactor2 = scalefactors[stream.get_bits(6)];
963
	  	       channel2_scalefactor3 = scalefactors[stream.get_bits(6)];
964
	  	       break;
965
	  
966
	  		case 1:
967
	  	   	   channel2_scalefactor1 = channel2_scalefactor2 =
968
	        						      scalefactors[stream.get_bits(6)];
969
	  	       channel2_scalefactor3 = scalefactors[stream.get_bits(6)];
970
	  	       break;
971
	  
972
	  		case 2:
973
	  	   	   channel2_scalefactor1 = channel2_scalefactor2 =
974
	  	       channel2_scalefactor3 = scalefactors[stream.get_bits(6)];
975
	  	       break;
976
	  
977
	  		case 3:
978
	  	   	   channel2_scalefactor1 = scalefactors[stream.get_bits(6)];
979
	  	       channel2_scalefactor2 = channel2_scalefactor3 =
980
	        							   scalefactors[stream.get_bits(6)];
981
	    	   break;
982
	  	 }
983
	  	 prepare_sample_reading(header, channel2_allocation, 1,
984
	                             channel2_factor, channel2_codelength, channel2_c,
985
	                             channel2_d);
986
	   }
987
	  }
988

989
	  /**
990
	   *
991
	   */
992
	  public boolean read_sampledata (Bitstream stream)
993
	  {
994
	    boolean returnvalue = super.read_sampledata(stream);
995
	  
996
	    if (channel2_allocation != 0)
997
	  	 if (groupingtable[1] != null)
998
		 {
999
	  		int samplecode = stream.get_bits(channel2_codelength[0]);
1000
	  		// create requantized samples:
1001
	  		samplecode += samplecode << 1;
1002
	  	/*
1003
	  		float[] target = channel2_samples;
1004
	  		float[] source = channel2_groupingtable[0];
1005
			int tmp = 0;
1006
			int temp = 0;
1007
	  		target[tmp++] = source[samplecode + temp];
1008
			temp++;
1009
	  		target[tmp++] = source[samplecode + temp];
1010
			temp++;
1011
	  		target[tmp] = source[samplecode + temp];
1012
	  		// memcpy (channel2_samples, channel2_groupingtable + samplecode, 3 * sizeof (real));
1013
	  	*/
1014
	  	float[] target = channel2_samples;
1015
	    float[] source = groupingtable[1];
1016
			int tmp = 0;
1017
			int temp = samplecode;
1018
	  	target[tmp] = source[temp];
1019
			temp++;tmp++;
1020
	  	target[tmp] = source[temp];
1021
			temp++;tmp++;
1022
	  	target[tmp] = source[temp];
1023
	  	
1024
	      } 
1025
		  else 
1026
		  {
1027
	  		channel2_samples[0] = (float) ((stream.get_bits(channel2_codelength[0])) *
1028
	        							 channel2_factor[0] - 1.0);
1029
	  		channel2_samples[1] = (float) ((stream.get_bits(channel2_codelength[0])) *
1030
	        							 channel2_factor[0] - 1.0);
1031
	  		channel2_samples[2] = (float) ((stream.get_bits(channel2_codelength[0])) *
1032
	                              channel2_factor[0] - 1.0);
1033
	  	 }
1034
	     return returnvalue;
1035
	  }
1036

1037
	  /**
1038
	   *
1039
	   */
1040
	  public boolean put_next_sample(int channels, SynthesisFilter filter1, SynthesisFilter filter2)
1041
	  {
1042
	    boolean returnvalue = super.put_next_sample(channels, filter1, filter2);
1043
	    if ((channel2_allocation != 0) && (channels != OutputChannels.LEFT_CHANNEL))
1044
	    {
1045
	  	 float sample = channel2_samples[samplenumber - 1];
1046
	  
1047
	  	 if (groupingtable[1] == null)
1048
	  		sample = (sample + channel2_d[0]) * channel2_c[0];
1049
	  
1050
	  	 if (groupnumber <= 4)
1051
	  		sample *= channel2_scalefactor1;
1052
	  	 else if (groupnumber <= 8)
1053
	  		sample *= channel2_scalefactor2;
1054
	  	 else
1055
	  		sample *= channel2_scalefactor3;
1056
	  	 if (channels == OutputChannels.BOTH_CHANNELS)
1057
	  		filter2.input_sample(sample, subbandnumber);
1058
	  	 else
1059
	  		filter1.input_sample(sample, subbandnumber);
1060
	    }
1061
	  	return returnvalue;
1062
	  }
1063
	}
1064
}
1065

1066
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