/*
This file is part of jpcsp.
Jpcsp is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Jpcsp 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with Jpcsp. If not, see <http://www.gnu.org/licenses/>.
*/
package jpcsp.media.codec.mp3;
import static java.lang.Math.pow;
import static jpcsp.media.codec.mp3.Mp3Decoder.FRAC_BITS;
import static jpcsp.media.codec.mp3.Mp3Decoder.IMDCT_SCALAR;
public class Mp3Data {
public static final int MODE_EXT_MS_STEREO = 2;
public static final int MODE_EXT_I_STEREO = 1;
public static class HuffTable {
public int xsize;
public int[] bits;
public int[] codes;
public HuffTable(int xsize, int[] bits, int[] codes) {
this.xsize = xsize;
this.bits = bits;
this.codes = codes;
}
}
public static final int mp3_bitrate_tab[][][] = new int[][][] {
{ {0, 32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448 },
{0, 32, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 384 },
{0, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320 } },
{ {0, 32, 48, 56, 64, 80, 96, 112, 128, 144, 160, 176, 192, 224, 256},
{0, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160},
{0, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160}
}
};
public static final int mp3_freq_tab[] = new int[] { 44100, 48000, 32000 };
public static final int mp3_quant_steps[] = new int[] {
3, 5, 7, 9, 15,
31, 63, 127, 255, 511,
1023, 2047, 4095, 8191, 16383,
32767, 65535
};
// we use a negative value if grouped
public static final int mp3_quant_bits[] = new int[] {
-5, -7, 3, -10, 4,
5, 6, 7, 8, 9,
10, 11, 12, 13, 14,
15, 16
};
private static final int TABLE_4_3_SIZE = (8191 + 16) * 4;
public static final int table_4_3_exp[] = new int[TABLE_4_3_SIZE];
public static final int table_4_3_value[] = new int[TABLE_4_3_SIZE];
public static final float expval_table[][] = new float[512][16];
public static final float exp_table[] = new float[512];
/* layer3 scale factor size */
static public final int slen_table[][] = new int[][] {
{ 0, 0, 0, 0, 3, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4 },
{ 0, 1, 2, 3, 0, 1, 2, 3, 1, 2, 3, 1, 2, 3, 2, 3 }
};
/* number of lsf scale factors for a given size */
static public final int lsf_nsf_table[][][] = new int[][][] {
{ { 6, 5, 5, 5 }, { 9, 9, 9, 9 }, { 6, 9, 9, 9 } },
{ { 6, 5, 7, 3 }, { 9, 9, 12, 6 }, { 6, 9, 12, 6 } },
{ { 11, 10, 0, 0 }, { 18, 18, 0, 0 }, { 15, 18, 0, 0 } },
{ { 7, 7, 7, 0 }, { 12, 12, 12, 0 }, { 6, 15, 12, 0 } },
{ { 6, 6, 6, 3 }, { 12, 9, 9, 6 }, { 6, 12, 9, 6 } },
{ { 8, 8, 5, 0 }, { 15, 12, 9, 0 }, { 6, 18, 9, 0 } }
};
/* mpegaudio layer 3 huffman tables */
static public final int mpa_huffcodes_1[] = new int[] {
0x0001, 0x0001, 0x0001, 0x0000
};
static public final int mpa_huffbits_1[] = new int[] {
1, 3, 2, 3
};
static public final int mpa_huffcodes_2[] = new int[] {
0x0001, 0x0002, 0x0001, 0x0003, 0x0001, 0x0001, 0x0003, 0x0002,
0x0000
};
static public final int mpa_huffbits_2[] = new int[] {
1, 3, 6, 3, 3, 5, 5, 5,
6
};
static public final int mpa_huffcodes_3[] = new int[] {
0x0003, 0x0002, 0x0001, 0x0001, 0x0001, 0x0001, 0x0003, 0x0002,
0x0000
};
static public final int mpa_huffbits_3[] = new int[] {
2, 2, 6, 3, 2, 5, 5, 5,
6
};
static public final int mpa_huffcodes_5[] = new int[] {
0x0001, 0x0002, 0x0006, 0x0005, 0x0003, 0x0001, 0x0004, 0x0004,
0x0007, 0x0005, 0x0007, 0x0001, 0x0006, 0x0001, 0x0001, 0x0000
};
static public final int mpa_huffbits_5[] = new int[] {
1, 3, 6, 7, 3, 3, 6, 7,
6, 6, 7, 8, 7, 6, 7, 8
};
static public final int mpa_huffcodes_6[] = new int[] {
0x0007, 0x0003, 0x0005, 0x0001, 0x0006, 0x0002, 0x0003, 0x0002,
0x0005, 0x0004, 0x0004, 0x0001, 0x0003, 0x0003, 0x0002, 0x0000
};
static public final int mpa_huffbits_6[] = new int[] {
3, 3, 5, 7, 3, 2, 4, 5,
4, 4, 5, 6, 6, 5, 6, 7
};
static public final int mpa_huffcodes_7[] = new int[] {
0x0001, 0x0002, 0x000a, 0x0013, 0x0010, 0x000a, 0x0003, 0x0003,
0x0007, 0x000a, 0x0005, 0x0003, 0x000b, 0x0004, 0x000d, 0x0011,
0x0008, 0x0004, 0x000c, 0x000b, 0x0012, 0x000f, 0x000b, 0x0002,
0x0007, 0x0006, 0x0009, 0x000e, 0x0003, 0x0001, 0x0006, 0x0004,
0x0005, 0x0003, 0x0002, 0x0000
};
static public final int mpa_huffbits_7[] = new int[] {
1, 3, 6, 8, 8, 9, 3, 4,
6, 7, 7, 8, 6, 5, 7, 8,
8, 9, 7, 7, 8, 9, 9, 9,
7, 7, 8, 9, 9, 10, 8, 8,
9, 10, 10, 10
};
static public final int mpa_huffcodes_8[] = new int[] {
0x0003, 0x0004, 0x0006, 0x0012, 0x000c, 0x0005, 0x0005, 0x0001,
0x0002, 0x0010, 0x0009, 0x0003, 0x0007, 0x0003, 0x0005, 0x000e,
0x0007, 0x0003, 0x0013, 0x0011, 0x000f, 0x000d, 0x000a, 0x0004,
0x000d, 0x0005, 0x0008, 0x000b, 0x0005, 0x0001, 0x000c, 0x0004,
0x0004, 0x0001, 0x0001, 0x0000
};
static public final int mpa_huffbits_8[] = new int[] {
2, 3, 6, 8, 8, 9, 3, 2,
4, 8, 8, 8, 6, 4, 6, 8,
8, 9, 8, 8, 8, 9, 9, 10,
8, 7, 8, 9, 10, 10, 9, 8,
9, 9, 11, 11
};
static public final int mpa_huffcodes_9[] = new int[] {
0x0007, 0x0005, 0x0009, 0x000e, 0x000f, 0x0007, 0x0006, 0x0004,
0x0005, 0x0005, 0x0006, 0x0007, 0x0007, 0x0006, 0x0008, 0x0008,
0x0008, 0x0005, 0x000f, 0x0006, 0x0009, 0x000a, 0x0005, 0x0001,
0x000b, 0x0007, 0x0009, 0x0006, 0x0004, 0x0001, 0x000e, 0x0004,
0x0006, 0x0002, 0x0006, 0x0000
};
static public final int mpa_huffbits_9[] = new int[] {
3, 3, 5, 6, 8, 9, 3, 3,
4, 5, 6, 8, 4, 4, 5, 6,
7, 8, 6, 5, 6, 7, 7, 8,
7, 6, 7, 7, 8, 9, 8, 7,
8, 8, 9, 9
};
static public final int mpa_huffcodes_10[] = new int[] {
0x0001, 0x0002, 0x000a, 0x0017, 0x0023, 0x001e, 0x000c, 0x0011,
0x0003, 0x0003, 0x0008, 0x000c, 0x0012, 0x0015, 0x000c, 0x0007,
0x000b, 0x0009, 0x000f, 0x0015, 0x0020, 0x0028, 0x0013, 0x0006,
0x000e, 0x000d, 0x0016, 0x0022, 0x002e, 0x0017, 0x0012, 0x0007,
0x0014, 0x0013, 0x0021, 0x002f, 0x001b, 0x0016, 0x0009, 0x0003,
0x001f, 0x0016, 0x0029, 0x001a, 0x0015, 0x0014, 0x0005, 0x0003,
0x000e, 0x000d, 0x000a, 0x000b, 0x0010, 0x0006, 0x0005, 0x0001,
0x0009, 0x0008, 0x0007, 0x0008, 0x0004, 0x0004, 0x0002, 0x0000
};
static public final int mpa_huffbits_10[] = new int[] {
1, 3, 6, 8, 9, 9, 9, 10,
3, 4, 6, 7, 8, 9, 8, 8,
6, 6, 7, 8, 9, 10, 9, 9,
7, 7, 8, 9, 10, 10, 9, 10,
8, 8, 9, 10, 10, 10, 10, 10,
9, 9, 10, 10, 11, 11, 10, 11,
8, 8, 9, 10, 10, 10, 11, 11,
9, 8, 9, 10, 10, 11, 11, 11
};
static public final int mpa_huffcodes_11[] = new int[] {
0x0003, 0x0004, 0x000a, 0x0018, 0x0022, 0x0021, 0x0015, 0x000f,
0x0005, 0x0003, 0x0004, 0x000a, 0x0020, 0x0011, 0x000b, 0x000a,
0x000b, 0x0007, 0x000d, 0x0012, 0x001e, 0x001f, 0x0014, 0x0005,
0x0019, 0x000b, 0x0013, 0x003b, 0x001b, 0x0012, 0x000c, 0x0005,
0x0023, 0x0021, 0x001f, 0x003a, 0x001e, 0x0010, 0x0007, 0x0005,
0x001c, 0x001a, 0x0020, 0x0013, 0x0011, 0x000f, 0x0008, 0x000e,
0x000e, 0x000c, 0x0009, 0x000d, 0x000e, 0x0009, 0x0004, 0x0001,
0x000b, 0x0004, 0x0006, 0x0006, 0x0006, 0x0003, 0x0002, 0x0000
};
static public final int mpa_huffbits_11[] = new int[] {
2, 3, 5, 7, 8, 9, 8, 9,
3, 3, 4, 6, 8, 8, 7, 8,
5, 5, 6, 7, 8, 9, 8, 8,
7, 6, 7, 9, 8, 10, 8, 9,
8, 8, 8, 9, 9, 10, 9, 10,
8, 8, 9, 10, 10, 11, 10, 11,
8, 7, 7, 8, 9, 10, 10, 10,
8, 7, 8, 9, 10, 10, 10, 10
};
static public final int mpa_huffcodes_12[] = new int[] {
0x0009, 0x0006, 0x0010, 0x0021, 0x0029, 0x0027, 0x0026, 0x001a,
0x0007, 0x0005, 0x0006, 0x0009, 0x0017, 0x0010, 0x001a, 0x000b,
0x0011, 0x0007, 0x000b, 0x000e, 0x0015, 0x001e, 0x000a, 0x0007,
0x0011, 0x000a, 0x000f, 0x000c, 0x0012, 0x001c, 0x000e, 0x0005,
0x0020, 0x000d, 0x0016, 0x0013, 0x0012, 0x0010, 0x0009, 0x0005,
0x0028, 0x0011, 0x001f, 0x001d, 0x0011, 0x000d, 0x0004, 0x0002,
0x001b, 0x000c, 0x000b, 0x000f, 0x000a, 0x0007, 0x0004, 0x0001,
0x001b, 0x000c, 0x0008, 0x000c, 0x0006, 0x0003, 0x0001, 0x0000
};
static public final int mpa_huffbits_12[] = new int[] {
4, 3, 5, 7, 8, 9, 9, 9,
3, 3, 4, 5, 7, 7, 8, 8,
5, 4, 5, 6, 7, 8, 7, 8,
6, 5, 6, 6, 7, 8, 8, 8,
7, 6, 7, 7, 8, 8, 8, 9,
8, 7, 8, 8, 8, 9, 8, 9,
8, 7, 7, 8, 8, 9, 9, 10,
9, 8, 8, 9, 9, 9, 9, 10
};
static public final int mpa_huffcodes_13[] = new int[] {
0x0001, 0x0005, 0x000e, 0x0015, 0x0022, 0x0033, 0x002e, 0x0047,
0x002a, 0x0034, 0x0044, 0x0034, 0x0043, 0x002c, 0x002b, 0x0013,
0x0003, 0x0004, 0x000c, 0x0013, 0x001f, 0x001a, 0x002c, 0x0021,
0x001f, 0x0018, 0x0020, 0x0018, 0x001f, 0x0023, 0x0016, 0x000e,
0x000f, 0x000d, 0x0017, 0x0024, 0x003b, 0x0031, 0x004d, 0x0041,
0x001d, 0x0028, 0x001e, 0x0028, 0x001b, 0x0021, 0x002a, 0x0010,
0x0016, 0x0014, 0x0025, 0x003d, 0x0038, 0x004f, 0x0049, 0x0040,
0x002b, 0x004c, 0x0038, 0x0025, 0x001a, 0x001f, 0x0019, 0x000e,
0x0023, 0x0010, 0x003c, 0x0039, 0x0061, 0x004b, 0x0072, 0x005b,
0x0036, 0x0049, 0x0037, 0x0029, 0x0030, 0x0035, 0x0017, 0x0018,
0x003a, 0x001b, 0x0032, 0x0060, 0x004c, 0x0046, 0x005d, 0x0054,
0x004d, 0x003a, 0x004f, 0x001d, 0x004a, 0x0031, 0x0029, 0x0011,
0x002f, 0x002d, 0x004e, 0x004a, 0x0073, 0x005e, 0x005a, 0x004f,
0x0045, 0x0053, 0x0047, 0x0032, 0x003b, 0x0026, 0x0024, 0x000f,
0x0048, 0x0022, 0x0038, 0x005f, 0x005c, 0x0055, 0x005b, 0x005a,
0x0056, 0x0049, 0x004d, 0x0041, 0x0033, 0x002c, 0x002b, 0x002a,
0x002b, 0x0014, 0x001e, 0x002c, 0x0037, 0x004e, 0x0048, 0x0057,
0x004e, 0x003d, 0x002e, 0x0036, 0x0025, 0x001e, 0x0014, 0x0010,
0x0035, 0x0019, 0x0029, 0x0025, 0x002c, 0x003b, 0x0036, 0x0051,
0x0042, 0x004c, 0x0039, 0x0036, 0x0025, 0x0012, 0x0027, 0x000b,
0x0023, 0x0021, 0x001f, 0x0039, 0x002a, 0x0052, 0x0048, 0x0050,
0x002f, 0x003a, 0x0037, 0x0015, 0x0016, 0x001a, 0x0026, 0x0016,
0x0035, 0x0019, 0x0017, 0x0026, 0x0046, 0x003c, 0x0033, 0x0024,
0x0037, 0x001a, 0x0022, 0x0017, 0x001b, 0x000e, 0x0009, 0x0007,
0x0022, 0x0020, 0x001c, 0x0027, 0x0031, 0x004b, 0x001e, 0x0034,
0x0030, 0x0028, 0x0034, 0x001c, 0x0012, 0x0011, 0x0009, 0x0005,
0x002d, 0x0015, 0x0022, 0x0040, 0x0038, 0x0032, 0x0031, 0x002d,
0x001f, 0x0013, 0x000c, 0x000f, 0x000a, 0x0007, 0x0006, 0x0003,
0x0030, 0x0017, 0x0014, 0x0027, 0x0024, 0x0023, 0x0035, 0x0015,
0x0010, 0x0017, 0x000d, 0x000a, 0x0006, 0x0001, 0x0004, 0x0002,
0x0010, 0x000f, 0x0011, 0x001b, 0x0019, 0x0014, 0x001d, 0x000b,
0x0011, 0x000c, 0x0010, 0x0008, 0x0001, 0x0001, 0x0000, 0x0001
};
static public final int mpa_huffbits_13[] = new int[] {
1, 4, 6, 7, 8, 9, 9, 10,
9, 10, 11, 11, 12, 12, 13, 13,
3, 4, 6, 7, 8, 8, 9, 9,
9, 9, 10, 10, 11, 12, 12, 12,
6, 6, 7, 8, 9, 9, 10, 10,
9, 10, 10, 11, 11, 12, 13, 13,
7, 7, 8, 9, 9, 10, 10, 10,
10, 11, 11, 11, 11, 12, 13, 13,
8, 7, 9, 9, 10, 10, 11, 11,
10, 11, 11, 12, 12, 13, 13, 14,
9, 8, 9, 10, 10, 10, 11, 11,
11, 11, 12, 11, 13, 13, 14, 14,
9, 9, 10, 10, 11, 11, 11, 11,
11, 12, 12, 12, 13, 13, 14, 14,
10, 9, 10, 11, 11, 11, 12, 12,
12, 12, 13, 13, 13, 14, 16, 16,
9, 8, 9, 10, 10, 11, 11, 12,
12, 12, 12, 13, 13, 14, 15, 15,
10, 9, 10, 10, 11, 11, 11, 13,
12, 13, 13, 14, 14, 14, 16, 15,
10, 10, 10, 11, 11, 12, 12, 13,
12, 13, 14, 13, 14, 15, 16, 17,
11, 10, 10, 11, 12, 12, 12, 12,
13, 13, 13, 14, 15, 15, 15, 16,
11, 11, 11, 12, 12, 13, 12, 13,
14, 14, 15, 15, 15, 16, 16, 16,
12, 11, 12, 13, 13, 13, 14, 14,
14, 14, 14, 15, 16, 15, 16, 16,
13, 12, 12, 13, 13, 13, 15, 14,
14, 17, 15, 15, 15, 17, 16, 16,
12, 12, 13, 14, 14, 14, 15, 14,
15, 15, 16, 16, 19, 18, 19, 16
};
static public final int mpa_huffcodes_15[] = new int[] {
0x0007, 0x000c, 0x0012, 0x0035, 0x002f, 0x004c, 0x007c, 0x006c,
0x0059, 0x007b, 0x006c, 0x0077, 0x006b, 0x0051, 0x007a, 0x003f,
0x000d, 0x0005, 0x0010, 0x001b, 0x002e, 0x0024, 0x003d, 0x0033,
0x002a, 0x0046, 0x0034, 0x0053, 0x0041, 0x0029, 0x003b, 0x0024,
0x0013, 0x0011, 0x000f, 0x0018, 0x0029, 0x0022, 0x003b, 0x0030,
0x0028, 0x0040, 0x0032, 0x004e, 0x003e, 0x0050, 0x0038, 0x0021,
0x001d, 0x001c, 0x0019, 0x002b, 0x0027, 0x003f, 0x0037, 0x005d,
0x004c, 0x003b, 0x005d, 0x0048, 0x0036, 0x004b, 0x0032, 0x001d,
0x0034, 0x0016, 0x002a, 0x0028, 0x0043, 0x0039, 0x005f, 0x004f,
0x0048, 0x0039, 0x0059, 0x0045, 0x0031, 0x0042, 0x002e, 0x001b,
0x004d, 0x0025, 0x0023, 0x0042, 0x003a, 0x0034, 0x005b, 0x004a,
0x003e, 0x0030, 0x004f, 0x003f, 0x005a, 0x003e, 0x0028, 0x0026,
0x007d, 0x0020, 0x003c, 0x0038, 0x0032, 0x005c, 0x004e, 0x0041,
0x0037, 0x0057, 0x0047, 0x0033, 0x0049, 0x0033, 0x0046, 0x001e,
0x006d, 0x0035, 0x0031, 0x005e, 0x0058, 0x004b, 0x0042, 0x007a,
0x005b, 0x0049, 0x0038, 0x002a, 0x0040, 0x002c, 0x0015, 0x0019,
0x005a, 0x002b, 0x0029, 0x004d, 0x0049, 0x003f, 0x0038, 0x005c,
0x004d, 0x0042, 0x002f, 0x0043, 0x0030, 0x0035, 0x0024, 0x0014,
0x0047, 0x0022, 0x0043, 0x003c, 0x003a, 0x0031, 0x0058, 0x004c,
0x0043, 0x006a, 0x0047, 0x0036, 0x0026, 0x0027, 0x0017, 0x000f,
0x006d, 0x0035, 0x0033, 0x002f, 0x005a, 0x0052, 0x003a, 0x0039,
0x0030, 0x0048, 0x0039, 0x0029, 0x0017, 0x001b, 0x003e, 0x0009,
0x0056, 0x002a, 0x0028, 0x0025, 0x0046, 0x0040, 0x0034, 0x002b,
0x0046, 0x0037, 0x002a, 0x0019, 0x001d, 0x0012, 0x000b, 0x000b,
0x0076, 0x0044, 0x001e, 0x0037, 0x0032, 0x002e, 0x004a, 0x0041,
0x0031, 0x0027, 0x0018, 0x0010, 0x0016, 0x000d, 0x000e, 0x0007,
0x005b, 0x002c, 0x0027, 0x0026, 0x0022, 0x003f, 0x0034, 0x002d,
0x001f, 0x0034, 0x001c, 0x0013, 0x000e, 0x0008, 0x0009, 0x0003,
0x007b, 0x003c, 0x003a, 0x0035, 0x002f, 0x002b, 0x0020, 0x0016,
0x0025, 0x0018, 0x0011, 0x000c, 0x000f, 0x000a, 0x0002, 0x0001,
0x0047, 0x0025, 0x0022, 0x001e, 0x001c, 0x0014, 0x0011, 0x001a,
0x0015, 0x0010, 0x000a, 0x0006, 0x0008, 0x0006, 0x0002, 0x0000
};
static public final int mpa_huffbits_15[] = new int[] {
3, 4, 5, 7, 7, 8, 9, 9,
9, 10, 10, 11, 11, 11, 12, 13,
4, 3, 5, 6, 7, 7, 8, 8,
8, 9, 9, 10, 10, 10, 11, 11,
5, 5, 5, 6, 7, 7, 8, 8,
8, 9, 9, 10, 10, 11, 11, 11,
6, 6, 6, 7, 7, 8, 8, 9,
9, 9, 10, 10, 10, 11, 11, 11,
7, 6, 7, 7, 8, 8, 9, 9,
9, 9, 10, 10, 10, 11, 11, 11,
8, 7, 7, 8, 8, 8, 9, 9,
9, 9, 10, 10, 11, 11, 11, 12,
9, 7, 8, 8, 8, 9, 9, 9,
9, 10, 10, 10, 11, 11, 12, 12,
9, 8, 8, 9, 9, 9, 9, 10,
10, 10, 10, 10, 11, 11, 11, 12,
9, 8, 8, 9, 9, 9, 9, 10,
10, 10, 10, 11, 11, 12, 12, 12,
9, 8, 9, 9, 9, 9, 10, 10,
10, 11, 11, 11, 11, 12, 12, 12,
10, 9, 9, 9, 10, 10, 10, 10,
10, 11, 11, 11, 11, 12, 13, 12,
10, 9, 9, 9, 10, 10, 10, 10,
11, 11, 11, 11, 12, 12, 12, 13,
11, 10, 9, 10, 10, 10, 11, 11,
11, 11, 11, 11, 12, 12, 13, 13,
11, 10, 10, 10, 10, 11, 11, 11,
11, 12, 12, 12, 12, 12, 13, 13,
12, 11, 11, 11, 11, 11, 11, 11,
12, 12, 12, 12, 13, 13, 12, 13,
12, 11, 11, 11, 11, 11, 11, 12,
12, 12, 12, 12, 13, 13, 13, 13
};
static public final int mpa_huffcodes_16[] = new int[] {
0x0001, 0x0005, 0x000e, 0x002c, 0x004a, 0x003f, 0x006e, 0x005d,
0x00ac, 0x0095, 0x008a, 0x00f2, 0x00e1, 0x00c3, 0x0178, 0x0011,
0x0003, 0x0004, 0x000c, 0x0014, 0x0023, 0x003e, 0x0035, 0x002f,
0x0053, 0x004b, 0x0044, 0x0077, 0x00c9, 0x006b, 0x00cf, 0x0009,
0x000f, 0x000d, 0x0017, 0x0026, 0x0043, 0x003a, 0x0067, 0x005a,
0x00a1, 0x0048, 0x007f, 0x0075, 0x006e, 0x00d1, 0x00ce, 0x0010,
0x002d, 0x0015, 0x0027, 0x0045, 0x0040, 0x0072, 0x0063, 0x0057,
0x009e, 0x008c, 0x00fc, 0x00d4, 0x00c7, 0x0183, 0x016d, 0x001a,
0x004b, 0x0024, 0x0044, 0x0041, 0x0073, 0x0065, 0x00b3, 0x00a4,
0x009b, 0x0108, 0x00f6, 0x00e2, 0x018b, 0x017e, 0x016a, 0x0009,
0x0042, 0x001e, 0x003b, 0x0038, 0x0066, 0x00b9, 0x00ad, 0x0109,
0x008e, 0x00fd, 0x00e8, 0x0190, 0x0184, 0x017a, 0x01bd, 0x0010,
0x006f, 0x0036, 0x0034, 0x0064, 0x00b8, 0x00b2, 0x00a0, 0x0085,
0x0101, 0x00f4, 0x00e4, 0x00d9, 0x0181, 0x016e, 0x02cb, 0x000a,
0x0062, 0x0030, 0x005b, 0x0058, 0x00a5, 0x009d, 0x0094, 0x0105,
0x00f8, 0x0197, 0x018d, 0x0174, 0x017c, 0x0379, 0x0374, 0x0008,
0x0055, 0x0054, 0x0051, 0x009f, 0x009c, 0x008f, 0x0104, 0x00f9,
0x01ab, 0x0191, 0x0188, 0x017f, 0x02d7, 0x02c9, 0x02c4, 0x0007,
0x009a, 0x004c, 0x0049, 0x008d, 0x0083, 0x0100, 0x00f5, 0x01aa,
0x0196, 0x018a, 0x0180, 0x02df, 0x0167, 0x02c6, 0x0160, 0x000b,
0x008b, 0x0081, 0x0043, 0x007d, 0x00f7, 0x00e9, 0x00e5, 0x00db,
0x0189, 0x02e7, 0x02e1, 0x02d0, 0x0375, 0x0372, 0x01b7, 0x0004,
0x00f3, 0x0078, 0x0076, 0x0073, 0x00e3, 0x00df, 0x018c, 0x02ea,
0x02e6, 0x02e0, 0x02d1, 0x02c8, 0x02c2, 0x00df, 0x01b4, 0x0006,
0x00ca, 0x00e0, 0x00de, 0x00da, 0x00d8, 0x0185, 0x0182, 0x017d,
0x016c, 0x0378, 0x01bb, 0x02c3, 0x01b8, 0x01b5, 0x06c0, 0x0004,
0x02eb, 0x00d3, 0x00d2, 0x00d0, 0x0172, 0x017b, 0x02de, 0x02d3,
0x02ca, 0x06c7, 0x0373, 0x036d, 0x036c, 0x0d83, 0x0361, 0x0002,
0x0179, 0x0171, 0x0066, 0x00bb, 0x02d6, 0x02d2, 0x0166, 0x02c7,
0x02c5, 0x0362, 0x06c6, 0x0367, 0x0d82, 0x0366, 0x01b2, 0x0000,
0x000c, 0x000a, 0x0007, 0x000b, 0x000a, 0x0011, 0x000b, 0x0009,
0x000d, 0x000c, 0x000a, 0x0007, 0x0005, 0x0003, 0x0001, 0x0003
};
static public final int mpa_huffbits_16[] = new int[] {
1, 4, 6, 8, 9, 9, 10, 10,
11, 11, 11, 12, 12, 12, 13, 9,
3, 4, 6, 7, 8, 9, 9, 9,
10, 10, 10, 11, 12, 11, 12, 8,
6, 6, 7, 8, 9, 9, 10, 10,
11, 10, 11, 11, 11, 12, 12, 9,
8, 7, 8, 9, 9, 10, 10, 10,
11, 11, 12, 12, 12, 13, 13, 10,
9, 8, 9, 9, 10, 10, 11, 11,
11, 12, 12, 12, 13, 13, 13, 9,
9, 8, 9, 9, 10, 11, 11, 12,
11, 12, 12, 13, 13, 13, 14, 10,
10, 9, 9, 10, 11, 11, 11, 11,
12, 12, 12, 12, 13, 13, 14, 10,
10, 9, 10, 10, 11, 11, 11, 12,
12, 13, 13, 13, 13, 15, 15, 10,
10, 10, 10, 11, 11, 11, 12, 12,
13, 13, 13, 13, 14, 14, 14, 10,
11, 10, 10, 11, 11, 12, 12, 13,
13, 13, 13, 14, 13, 14, 13, 11,
11, 11, 10, 11, 12, 12, 12, 12,
13, 14, 14, 14, 15, 15, 14, 10,
12, 11, 11, 11, 12, 12, 13, 14,
14, 14, 14, 14, 14, 13, 14, 11,
12, 12, 12, 12, 12, 13, 13, 13,
13, 15, 14, 14, 14, 14, 16, 11,
14, 12, 12, 12, 13, 13, 14, 14,
14, 16, 15, 15, 15, 17, 15, 11,
13, 13, 11, 12, 14, 14, 13, 14,
14, 15, 16, 15, 17, 15, 14, 11,
9, 8, 8, 9, 9, 10, 10, 10,
11, 11, 11, 11, 11, 11, 11, 8
};
static public final int mpa_huffcodes_24[] = new int[] {
0x000f, 0x000d, 0x002e, 0x0050, 0x0092, 0x0106, 0x00f8, 0x01b2,
0x01aa, 0x029d, 0x028d, 0x0289, 0x026d, 0x0205, 0x0408, 0x0058,
0x000e, 0x000c, 0x0015, 0x0026, 0x0047, 0x0082, 0x007a, 0x00d8,
0x00d1, 0x00c6, 0x0147, 0x0159, 0x013f, 0x0129, 0x0117, 0x002a,
0x002f, 0x0016, 0x0029, 0x004a, 0x0044, 0x0080, 0x0078, 0x00dd,
0x00cf, 0x00c2, 0x00b6, 0x0154, 0x013b, 0x0127, 0x021d, 0x0012,
0x0051, 0x0027, 0x004b, 0x0046, 0x0086, 0x007d, 0x0074, 0x00dc,
0x00cc, 0x00be, 0x00b2, 0x0145, 0x0137, 0x0125, 0x010f, 0x0010,
0x0093, 0x0048, 0x0045, 0x0087, 0x007f, 0x0076, 0x0070, 0x00d2,
0x00c8, 0x00bc, 0x0160, 0x0143, 0x0132, 0x011d, 0x021c, 0x000e,
0x0107, 0x0042, 0x0081, 0x007e, 0x0077, 0x0072, 0x00d6, 0x00ca,
0x00c0, 0x00b4, 0x0155, 0x013d, 0x012d, 0x0119, 0x0106, 0x000c,
0x00f9, 0x007b, 0x0079, 0x0075, 0x0071, 0x00d7, 0x00ce, 0x00c3,
0x00b9, 0x015b, 0x014a, 0x0134, 0x0123, 0x0110, 0x0208, 0x000a,
0x01b3, 0x0073, 0x006f, 0x006d, 0x00d3, 0x00cb, 0x00c4, 0x00bb,
0x0161, 0x014c, 0x0139, 0x012a, 0x011b, 0x0213, 0x017d, 0x0011,
0x01ab, 0x00d4, 0x00d0, 0x00cd, 0x00c9, 0x00c1, 0x00ba, 0x00b1,
0x00a9, 0x0140, 0x012f, 0x011e, 0x010c, 0x0202, 0x0179, 0x0010,
0x014f, 0x00c7, 0x00c5, 0x00bf, 0x00bd, 0x00b5, 0x00ae, 0x014d,
0x0141, 0x0131, 0x0121, 0x0113, 0x0209, 0x017b, 0x0173, 0x000b,
0x029c, 0x00b8, 0x00b7, 0x00b3, 0x00af, 0x0158, 0x014b, 0x013a,
0x0130, 0x0122, 0x0115, 0x0212, 0x017f, 0x0175, 0x016e, 0x000a,
0x028c, 0x015a, 0x00ab, 0x00a8, 0x00a4, 0x013e, 0x0135, 0x012b,
0x011f, 0x0114, 0x0107, 0x0201, 0x0177, 0x0170, 0x016a, 0x0006,
0x0288, 0x0142, 0x013c, 0x0138, 0x0133, 0x012e, 0x0124, 0x011c,
0x010d, 0x0105, 0x0200, 0x0178, 0x0172, 0x016c, 0x0167, 0x0004,
0x026c, 0x012c, 0x0128, 0x0126, 0x0120, 0x011a, 0x0111, 0x010a,
0x0203, 0x017c, 0x0176, 0x0171, 0x016d, 0x0169, 0x0165, 0x0002,
0x0409, 0x0118, 0x0116, 0x0112, 0x010b, 0x0108, 0x0103, 0x017e,
0x017a, 0x0174, 0x016f, 0x016b, 0x0168, 0x0166, 0x0164, 0x0000,
0x002b, 0x0014, 0x0013, 0x0011, 0x000f, 0x000d, 0x000b, 0x0009,
0x0007, 0x0006, 0x0004, 0x0007, 0x0005, 0x0003, 0x0001, 0x0003
};
static public final int mpa_huffbits_24[] = new int[] {
4, 4, 6, 7, 8, 9, 9, 10,
10, 11, 11, 11, 11, 11, 12, 9,
4, 4, 5, 6, 7, 8, 8, 9,
9, 9, 10, 10, 10, 10, 10, 8,
6, 5, 6, 7, 7, 8, 8, 9,
9, 9, 9, 10, 10, 10, 11, 7,
7, 6, 7, 7, 8, 8, 8, 9,
9, 9, 9, 10, 10, 10, 10, 7,
8, 7, 7, 8, 8, 8, 8, 9,
9, 9, 10, 10, 10, 10, 11, 7,
9, 7, 8, 8, 8, 8, 9, 9,
9, 9, 10, 10, 10, 10, 10, 7,
9, 8, 8, 8, 8, 9, 9, 9,
9, 10, 10, 10, 10, 10, 11, 7,
10, 8, 8, 8, 9, 9, 9, 9,
10, 10, 10, 10, 10, 11, 11, 8,
10, 9, 9, 9, 9, 9, 9, 9,
9, 10, 10, 10, 10, 11, 11, 8,
10, 9, 9, 9, 9, 9, 9, 10,
10, 10, 10, 10, 11, 11, 11, 8,
11, 9, 9, 9, 9, 10, 10, 10,
10, 10, 10, 11, 11, 11, 11, 8,
11, 10, 9, 9, 9, 10, 10, 10,
10, 10, 10, 11, 11, 11, 11, 8,
11, 10, 10, 10, 10, 10, 10, 10,
10, 10, 11, 11, 11, 11, 11, 8,
11, 10, 10, 10, 10, 10, 10, 10,
11, 11, 11, 11, 11, 11, 11, 8,
12, 10, 10, 10, 10, 10, 10, 11,
11, 11, 11, 11, 11, 11, 11, 8,
8, 7, 7, 7, 7, 7, 7, 7,
7, 7, 7, 8, 8, 8, 8, 4
};
static public final HuffTable mpa_huff_tables[] = new HuffTable[] {
new HuffTable(1, null, null),
new HuffTable(2, mpa_huffbits_1, mpa_huffcodes_1 ),
new HuffTable(3, mpa_huffbits_2, mpa_huffcodes_2 ),
new HuffTable(3, mpa_huffbits_3, mpa_huffcodes_3 ),
new HuffTable(4, mpa_huffbits_5, mpa_huffcodes_5 ),
new HuffTable(4, mpa_huffbits_6, mpa_huffcodes_6 ),
new HuffTable(6, mpa_huffbits_7, mpa_huffcodes_7 ),
new HuffTable(6, mpa_huffbits_8, mpa_huffcodes_8 ),
new HuffTable(6, mpa_huffbits_9, mpa_huffcodes_9 ),
new HuffTable(8, mpa_huffbits_10, mpa_huffcodes_10 ),
new HuffTable(8, mpa_huffbits_11, mpa_huffcodes_11 ),
new HuffTable(8, mpa_huffbits_12, mpa_huffcodes_12 ),
new HuffTable(16, mpa_huffbits_13, mpa_huffcodes_13 ),
new HuffTable(16, mpa_huffbits_15, mpa_huffcodes_15 ),
new HuffTable(16, mpa_huffbits_16, mpa_huffcodes_16 ),
new HuffTable(16, mpa_huffbits_24, mpa_huffcodes_24 )
};
static public final int mpa_huff_data[][] = new int[][] {
{ 0, 0 },
{ 1, 0 },
{ 2, 0 },
{ 3, 0 },
{ 0, 0 },
{ 4, 0 },
{ 5, 0 },
{ 6, 0 },
{ 7, 0 },
{ 8, 0 },
{ 9, 0 },
{ 10, 0 },
{ 11, 0 },
{ 12, 0 },
{ 0, 0 },
{ 13, 0 },
{ 14, 1 },
{ 14, 2 },
{ 14, 3 },
{ 14, 4 },
{ 14, 6 },
{ 14, 8 },
{ 14, 10 },
{ 14, 13 },
{ 15, 4 },
{ 15, 5 },
{ 15, 6 },
{ 15, 7 },
{ 15, 8 },
{ 15, 9 },
{ 15, 11 },
{ 15, 13 }
};
/* huffman tables for quadrules */
static public final int mpa_quad_codes[][] = new int[][] {
{ 1, 5, 4, 5, 6, 5, 4, 4, 7, 3, 6, 0, 7, 2, 3, 1 },
{ 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 }
};
static public final int mpa_quad_bits[][] = new int[][] {
{ 1, 4, 4, 5, 4, 6, 5, 6, 4, 5, 5, 6, 5, 6, 6, 6 },
{ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4 }
};
/* band size tables */
static public final int band_size_long[][] = new int[][] {
{ 4, 4, 4, 4, 4, 4, 6, 6, 8, 8, 10,
12, 16, 20, 24, 28, 34, 42, 50, 54, 76, 158 }, /* 44100 */
{ 4, 4, 4, 4, 4, 4, 6, 6, 6, 8, 10,
12, 16, 18, 22, 28, 34, 40, 46, 54, 54, 192 }, /* 48000 */
{ 4, 4, 4, 4, 4, 4, 6, 6, 8, 10, 12,
16, 20, 24, 30, 38, 46, 56, 68, 84, 102, 26 }, /* 32000 */
{ 6, 6, 6, 6, 6, 6, 8, 10, 12, 14, 16,
20, 24, 28, 32, 38, 46, 52, 60, 68, 58, 54 }, /* 22050 */
{ 6, 6, 6, 6, 6, 6, 8, 10, 12, 14, 16,
18, 22, 26, 32, 38, 46, 52, 64, 70, 76, 36 }, /* 24000 */
{ 6, 6, 6, 6, 6, 6, 8, 10, 12, 14, 16,
20, 24, 28, 32, 38, 46, 52, 60, 68, 58, 54 }, /* 16000 */
{ 6, 6, 6, 6, 6, 6, 8, 10, 12, 14, 16,
20, 24, 28, 32, 38, 46, 52, 60, 68, 58, 54 }, /* 11025 */
{ 6, 6, 6, 6, 6, 6, 8, 10, 12, 14, 16,
20, 24, 28, 32, 38, 46, 52, 60, 68, 58, 54 }, /* 12000 */
{ 12, 12, 12, 12, 12, 12, 16, 20, 24, 28, 32,
40, 48, 56, 64, 76, 90, 2, 2, 2, 2, 2 } /* 8000 */
};
static public final int band_size_short[][] = new int[][] {
{ 4, 4, 4, 4, 6, 8, 10, 12, 14, 18, 22, 30, 56 }, /* 44100 */
{ 4, 4, 4, 4, 6, 6, 10, 12, 14, 16, 20, 26, 66 }, /* 48000 */
{ 4, 4, 4, 4, 6, 8, 12, 16, 20, 26, 34, 42, 12 }, /* 32000 */
{ 4, 4, 4, 6, 6, 8, 10, 14, 18, 26, 32, 42, 18 }, /* 22050 */
{ 4, 4, 4, 6, 8, 10, 12, 14, 18, 24, 32, 44, 12 }, /* 24000 */
{ 4, 4, 4, 6, 8, 10, 12, 14, 18, 24, 30, 40, 18 }, /* 16000 */
{ 4, 4, 4, 6, 8, 10, 12, 14, 18, 24, 30, 40, 18 }, /* 11025 */
{ 4, 4, 4, 6, 8, 10, 12, 14, 18, 24, 30, 40, 18 }, /* 12000 */
{ 8, 8, 8, 12, 16, 20, 24, 28, 36, 2, 2, 2, 26 } /* 8000 */
};
static public final int mpa_pretab[][] = new int[][] {
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 3, 3, 3, 2, 0 }
};
/* table for alias reduction (XXX: store it as integer !) */
static public final float ci_table[] = new float[] {
-0.6f, -0.535f, -0.33f, -0.185f, -0.095f, -0.041f, -0.0142f, -0.0037f
};
public static void tableinit() {
for (int i = 1; i < TABLE_4_3_SIZE; i++) {
double value = i / 4;
double f = value / IMDCT_SCALAR * pow(value, 1.0 / 3.0) * pow(2, (i & 3) * 0.25);
// double fm = frexp(f, &e);
int e = 0;
double fm = value;
if (f != 0.0) {
int sign = 1;
if (fm < 0) {
sign = -1;
fm = -fm;
}
while (fm < 0.5) {
fm += fm; // fm *= 2.0
e--;
}
while (fm >= 1.0) {
fm *= 0.5;
e++;
}
fm *= sign;
}
int m = (int) (fm * (1L << 31) + 0.5);
e += FRAC_BITS - 31 + 5 - 100;
// normalized to FRAC_BITS
table_4_3_value[i] = m;
table_4_3_exp[i] = -e;
}
for (int exponent = 0; exponent < 512; exponent++) {
for (int value = 0; value < 16; value++) {
double f = (double) value * pow(value, 1.0 / 3.0) * pow(2, (exponent -400) * 0.25 + FRAC_BITS + 5) / IMDCT_SCALAR;
expval_table[exponent][value] = (float) f;
}
exp_table[exponent] = expval_table[exponent][1];
}
}
}