tables.c

MP3 encode source code

//    Shine is an MP3 encoder
//    Copyright (C) 1999-2000  Gabriel Bouvigne
//
//    This library 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 library 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.



#include "types.h"
#include "tables.h"

/* Here are MPEG1 Table B.8 and MPEG2 Table B.1 -- Layer III scalefactor bands.
  Index into this using a method such as: 
     idx  = fr_ps->header->sampling_frequency + (fr_ps->header->version * 3)
*/

struct scalefac_struct sfBandIndex[6] =
{

  { /* Table B.2.b: 22.05 kHz */
    {0,6,12,18,24,30,36,44,54,66,80,96,116,140,168,200,238,284,336,396,464,522,576},
    {0,4,8,12,18,24,32,42,56,74,100,132,174,192}
  },
  { /* Table B.2.c: 24 kHz */
    {0,6,12,18,24,30,36,44,54,66,80,96,114,136,162,194,232,278,330,394,464,540,576},
    {0,4,8,12,18,26,36,48,62,80,104,136,180,192}
  },
  { /* Table B.2.a: 16 kHz */
    {0,6,12,18,24,30,36,44,45,66,80,96,116,140,168,200,238,248,336,396,464,522,576},
    {0,4,8,12,18,26,36,48,62,80,104,134,174,192}
  },
  { /* Table B.8.b: 44.1 kHz */
    {0,4,8,12,16,20,24,30,36,44,52,62,74,90,110,134,162,196,238,288,342,418,576},
    {0,4,8,12,16,22,30,40,52,66,84,106,136,192}
  },
  { /* Table B.8.c: 48 kHz */
    {0,4,8,12,16,20,24,30,36,42,50,60,72,88,106,128,156,190,230,276,330,384,576},
    {0,4,8,12,16,22,28,38,50,64,80,100,126,192}
  },
  { /* Table B.8.a: 32 kHz */
    {0,4,8,12,16,20,24,30,36,44,54,66,82,102,126,156,194,240,296,364,448,550,576},
    {0,4,8,12,16,22,30,42,58,78,104,138,180,192}
  }
};





double enwindow[] = {
	0.000000, -0.000000, -0.000000, -0.000000, -0.000000, -0.000000, -0.000000, -0.000001, -0.000001, -0.000001,
	-0.000001, -0.000001, -0.000001, -0.000002, -0.000002, -0.000002, -0.000002, -0.000003, -0.000003, -0.000003,
	-0.000004, -0.000004, -0.000005, -0.000005, -0.000006, -0.000007, -0.000008, -0.000008, -0.000009, -0.000010,
	-0.000011, -0.000012, -0.000014, -0.000015, -0.000017, -0.000018, -0.000020, -0.000021, -0.000023, -0.000025,
	-0.000028, -0.000030, -0.000032, -0.000035, -0.000038, -0.000041, -0.000043, -0.000046, -0.000050, -0.000053,
	-0.000056, -0.000060, -0.000063, -0.000066, -0.000070, -0.000073, -0.000077, -0.000081, -0.000084, -0.000087,
	-0.000091, -0.000093, -0.000096, -0.000099, 0.000102, 0.000104, 0.000106, 0.000107, 0.000108, 0.000109,
	0.000109, 0.000108, 0.000107, 0.000105, 0.000103, 0.000099, 0.000095, 0.000090, 0.000084, 0.000078,
	0.000070, 0.000061, 0.000051, 0.000040, 0.000027, 0.000014, -0.000001, -0.000017, -0.000034, -0.000053,
	-0.000073, -0.000094, -0.000116, -0.000140, -0.000165, -0.000191, -0.000219, -0.000247, -0.000277, -0.000308,
	-0.000339, -0.000371, -0.000404, -0.000438, -0.000473, -0.000507, -0.000542, -0.000577, -0.000612, -0.000647,
	-0.000681, -0.000714, -0.000747, -0.000779, -0.000810, -0.000839, -0.000866, -0.000892, -0.000915, -0.000936,
	-0.000954, -0.000969, -0.000981, -0.000989, -0.000994, -0.000995, -0.000992, -0.000984, 0.000971, 0.000954,
	0.000931, 0.000903, 0.000869, 0.000829, 0.000784, 0.000732, 0.000674, 0.000610, 0.000539, 0.000463,
	0.000379, 0.000288, 0.000192, 0.000088, -0.000021, -0.000137, -0.000260, -0.000388, -0.000522, -0.000662,
	-0.000807, -0.000957, -0.001111, -0.001270, -0.001432, -0.001598, -0.001767, -0.001937, -0.002110, -0.002283,
	-0.002457, -0.002631, -0.002803, -0.002974, -0.003142, -0.003307, -0.003467, -0.003623, -0.003772, -0.003914,
	-0.004049, -0.004175, -0.004291, -0.004396, -0.004490, -0.004570, -0.004638, -0.004691, -0.004728, -0.004749,
	-0.004752, -0.004737, -0.004703, -0.004649, -0.004574, -0.004477, -0.004358, -0.004215, -0.004049, -0.003859,
	-0.003643, -0.003402, 0.003135, 0.002841, 0.002522, 0.002175, 0.001801, 0.001400, 0.000971, 0.000516,
	0.000033, -0.000476, -0.001012, -0.001574, -0.002162, -0.002774, -0.003411, -0.004072, -0.004756, -0.005462,
	-0.006189, -0.006937, -0.007703, -0.008487, -0.009288, -0.010104, -0.010933, -0.011775, -0.012628, -0.013489,
	-0.014359, -0.015234, -0.016113, -0.016994, -0.017876, -0.018757, -0.019634, -0.020507, -0.021372, -0.022229,
	-0.023074, -0.023907, -0.024725, -0.025527, -0.026311, -0.027074, -0.027815, -0.028533, -0.029225, -0.029890,
	-0.030527, -0.031133, -0.031707, -0.032248, -0.032755, -0.033226, -0.033660, -0.034056, -0.034413, -0.034730,
	-0.035007, -0.035242, -0.035435, -0.035586, -0.035694, -0.035759, 0.035781, 0.035759, 0.035694, 0.035586,
	0.035435, 0.035242, 0.035007, 0.034730, 0.034413, 0.034056, 0.033660, 0.033226, 0.032755, 0.032248,
	0.031707, 0.031133, 0.030527, 0.029890, 0.029225, 0.028533, 0.027815, 0.027074, 0.026311, 0.025527,
	0.024725, 0.023907, 0.023074, 0.022229, 0.021372, 0.020507, 0.019634, 0.018757, 0.017876, 0.016994,
	0.016113, 0.015234, 0.014359, 0.013489, 0.012628, 0.011775, 0.010933, 0.010104, 0.009288, 0.008487,
	0.007703, 0.006937, 0.006189, 0.005462, 0.004756, 0.004072, 0.003411, 0.002774, 0.002162, 0.001574,
	0.001012, 0.000476, -0.000033, -0.000516, -0.000971, -0.001400, -0.001801, -0.002175, -0.002522, -0.002841,
	0.003135, 0.003402, 0.003643, 0.003859, 0.004049, 0.004215, 0.004358, 0.004477, 0.004574, 0.004649,
	0.004703, 0.004737, 0.004752, 0.004749, 0.004728, 0.004691, 0.004638, 0.004570, 0.004490, 0.004396,
	0.004291, 0.004175, 0.004049, 0.003914, 0.003772, 0.003623, 0.003467, 0.003307, 0.003142, 0.002974,
	0.002803, 0.002631, 0.002457, 0.002283, 0.002110, 0.001937, 0.001767, 0.001598, 0.001432, 0.001270,
	0.001111, 0.000957, 0.000807, 0.000662, 0.000522, 0.000388, 0.000260, 0.000137, 0.000021, -0.000088,
	-0.000192, -0.000288, -0.000379, -0.000463, -0.000539, -0.000610, -0.000674, -0.000732, -0.000784, -0.000829,
	-0.000869, -0.000903, -0.000931, -0.000954, 0.000971, 0.000984, 0.000992, 0.000995, 0.000994, 0.000989,
	0.000981, 0.000969, 0.000954, 0.000936, 0.000915, 0.000892, 0.000866, 0.000839, 0.000810, 0.000779,
	0.000747, 0.000714, 0.000681, 0.000647, 0.000612, 0.000577, 0.000542, 0.000507, 0.000473, 0.000438,
	0.000404, 0.000371, 0.000339, 0.000308, 0.000277, 0.000247, 0.000219, 0.000191, 0.000165, 0.000140,
	0.000116, 0.000094, 0.000073, 0.000053, 0.000034, 0.000017, 0.000001, -0.000014, -0.000027, -0.000040,
	-0.000051, -0.000061, -0.000070, -0.000078, -0.000084, -0.000090, -0.000095, -0.000099, -0.000103, -0.000105,
	-0.000107, -0.000108, -0.000109, -0.000109, -0.000108, -0.000107, -0.000106, -0.000104, 0.000102, 0.000099,
	0.000096, 0.000093, 0.000091, 0.000087, 0.000084, 0.000081, 0.000077, 0.000073, 0.000070, 0.000066,
	0.000063, 0.000060, 0.000056, 0.000053, 0.000050, 0.000046, 0.000043, 0.000041, 0.000038, 0.000035,
	0.000032, 0.000030, 0.000028, 0.000025, 0.000023, 0.000021, 0.000020, 0.000018, 0.000017, 0.000015,
	0.000014, 0.000012, 0.000011, 0.000010, 0.000009, 0.000008, 0.000008, 0.000007, 0.000006, 0.000005,
	0.000005, 0.000004, 0.000004, 0.000003, 0.000003, 0.000003, 0.000002, 0.000002, 0.000002, 0.000002,
	0.000001, 0.000001, 0.000001, 0.000001, 0.000001, 0.000001, 0.000000, 0.000000, 0.000000, 0.000000,
	0.000000, 0.000000 };