datatables.cpp

完整的MP3播放器源码

//	File:	Datatables.cpp
//	(to move them in RC file)	
//	and wrap a template class
//	instead; type table [4][5][6] to have TMPL<type,4,5,6>	tabla;
//			 x = tabla[2][1][1]   to have   x = tabla(2,1,1);	
//
/////////////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include <math.h>
#include "datatables.h"

#define MY_PI 3.14159265358979323846


DWORD MP3File_Cppfrequencies[2][4] =
		{{22050, 24000, 16000, 1},
		{44100, 48000, 32000, 1}};

int MP3File_Cpp[2][3][16] = {
        {{0 , 32000, 48000, 56000, 64000, 80000, 96000,
         112000, 128000, 144000, 160000, 176000, 192000 ,224000, 256000, 0},
        {0 , 8000, 16000, 24000, 32000, 40000, 48000,
        56000, 64000, 80000, 96000, 112000, 128000, 144000, 160000, 0},
        {0 , 8000, 16000, 24000, 32000, 40000, 48000,
        56000, 64000, 80000, 96000, 112000, 128000, 144000, 160000, 0}},
        {{0 , 32000, 64000, 96000, 128000, 160000, 192000,
        224000, 256000, 288000, 320000, 352000, 384000, 416000, 448000, 0},
        {0 , 32000, 48000, 56000, 64000, 80000, 96000,
        112000, 128000, 160000, 192000, 224000, 256000, 320000, 384000, 0},
        {0 , 32000, 40000, 48000, 56000, 64000, 80000,
        96000, 112000, 128000, 160000, 192000, 224000, 256000, 320000, 0}}};
    
double MP3File_MsPerFrame[3][3] = {	{8.707483f,  8.0f, 12.0f},
									{26.12245f, 24.0f, 36.0f},
									{26.12245f, 24.0f, 36.0f}};
    
// Note: These values are not in the same order
// as in Annex 3-B.3 of the ISO/IEC DIS 11172-3
 double dblISO[512] = {
    0.000000000, -0.000442505,  0.003250122, -0.007003784,
        0.031082153, -0.078628540,  0.100311279, -0.572036743,
        1.144989014,  0.572036743,  0.100311279,  0.078628540,
        0.031082153,  0.007003784,  0.003250122,  0.000442505,
        -0.000015259, -0.000473022,  0.003326416, -0.007919312,
        0.030517578, -0.084182739,  0.090927124, -0.600219727,
        1.144287109,  0.543823242,  0.108856201,  0.073059082,
        0.031478882,  0.006118774,  0.003173828,  0.000396729,
        -0.000015259, -0.000534058,  0.003387451, -0.008865356,
        0.029785156, -0.089706421,  0.080688477, -0.628295898,
        1.142211914,  0.515609741,  0.116577148,  0.067520142,
        0.031738281,  0.005294800,  0.003082275,  0.000366211,
        -0.000015259, -0.000579834,  0.003433228, -0.009841919,
        0.028884888, -0.095169067,  0.069595337, -0.656219482,
        1.138763428,  0.487472534,  0.123474121,  0.061996460,
        0.031845093,  0.004486084,  0.002990723,  0.000320435,
        -0.000015259, -0.000625610,  0.003463745, -0.010848999,
        0.027801514, -0.100540161,  0.057617188, -0.683914185,
        1.133926392,  0.459472656,  0.129577637,  0.056533813,
        0.031814575,  0.003723145,  0.002899170,  0.000289917,
        -0.000015259, -0.000686646,  0.003479004, -0.011886597,
        0.026535034, -0.105819702,  0.044784546, -0.711318970,
        1.127746582,  0.431655884,  0.134887695,  0.051132202,
        0.031661987,  0.003005981,  0.002792358,  0.000259399,
        -0.000015259, -0.000747681,  0.003479004, -0.012939453,
        0.025085449, -0.110946655,  0.031082153, -0.738372803,
        1.120223999,  0.404083252,  0.139450073,  0.045837402,
        0.031387329,  0.002334595,  0.002685547,  0.000244141,
        -0.000030518, -0.000808716,  0.003463745, -0.014022827,
        0.023422241, -0.115921021,  0.016510010, -0.765029907,
        1.111373901,  0.376800537,  0.143264771,  0.040634155,
        0.031005859,  0.001693726,  0.002578735,  0.000213623,
        -0.000030518, -0.000885010,  0.003417969, -0.015121460,
        0.021575928, -0.120697021,  0.001068115, -0.791213989,
        1.101211548,  0.349868774,  0.146362305,  0.035552979,
        0.030532837,  0.001098633,  0.002456665,  0.000198364,
        -0.000030518, -0.000961304,  0.003372192, -0.016235352,
        0.019531250, -0.125259399, -0.015228271, -0.816864014,
        1.089782715,  0.323318481,  0.148773193,  0.030609131,
        0.029937744,  0.000549316,  0.002349854,  0.000167847,
        -0.000030518, -0.001037598,  0.003280640, -0.017349243,
        0.017257690, -0.129562378, -0.032379150, -0.841949463,
        1.077117920,  0.297210693,  0.150497437,  0.025817871,
        0.029281616,  0.000030518,  0.002243042,  0.000152588,
        -0.000045776, -0.001113892,  0.003173828, -0.018463135,
        0.014801025, -0.133590698, -0.050354004, -0.866363525,
        1.063217163,  0.271591187,  0.151596069,  0.021179199,
        0.028533936, -0.000442505,  0.002120972,  0.000137329,
        -0.000045776, -0.001205444,  0.003051758, -0.019577026,
        0.012115479, -0.137298584, -0.069168091, -0.890090942,
        1.048156738,  0.246505737,  0.152069092,  0.016708374,
        0.027725220, -0.000869751,  0.002014160,  0.000122070,
        -0.000061035, -0.001296997,  0.002883911, -0.020690918,
        0.009231567, -0.140670776, -0.088775635, -0.913055420,
        1.031936646,  0.221984863,  0.151962280,  0.012420654,
        0.026840210, -0.001266479,  0.001907349,  0.000106812,
        -0.000061035, -0.001388550,  0.002700806, -0.021789551,
        0.006134033, -0.143676758, -0.109161377, -0.935195923,
        1.014617920,  0.198059082,  0.151306152,  0.008316040,
        0.025909424, -0.001617432,  0.001785278,  0.000106812,
        -0.000076294, -0.001480103,  0.002487183, -0.022857666,
        0.002822876, -0.146255493, -0.130310059, -0.956481934,
        0.996246338,  0.174789429,  0.150115967,  0.004394531,
        0.024932861, -0.001937866,  0.001693726,  0.000091553,
        -0.000076294, -0.001586914,  0.002227783, -0.023910522,
        -0.000686646, -0.148422241, -0.152206421, -0.976852417,
        0.976852417,  0.152206421,  0.148422241,  0.000686646,
        0.023910522, -0.002227783,  0.001586914,  0.000076294,
        -0.000091553, -0.001693726,  0.001937866, -0.024932861,
        -0.004394531, -0.150115967, -0.174789429, -0.996246338,
        0.956481934,  0.130310059,  0.146255493, -0.002822876,
        0.022857666, -0.002487183,  0.001480103,  0.000076294,
        -0.000106812, -0.001785278,  0.001617432, -0.025909424,
        -0.008316040, -0.151306152, -0.198059082, -1.014617920,
        0.935195923,  0.109161377,  0.143676758, -0.006134033,
        0.021789551, -0.002700806,  0.001388550,  0.000061035,
        -0.000106812, -0.001907349,  0.001266479, -0.026840210,
        -0.012420654, -0.151962280, -0.221984863, -1.031936646,
        0.913055420,  0.088775635,  0.140670776, -0.009231567,
        0.020690918, -0.002883911,  0.001296997,  0.000061035,
        -0.000122070, -0.002014160,  0.000869751, -0.027725220,
        -0.016708374, -0.152069092, -0.246505737, -1.048156738,
        0.890090942,  0.069168091,  0.137298584, -0.012115479,
        0.019577026, -0.003051758,  0.001205444,  0.000045776,
        -0.000137329, -0.002120972,  0.000442505, -0.028533936,
        -0.021179199, -0.151596069, -0.271591187, -1.063217163,
        0.866363525,  0.050354004,  0.133590698, -0.014801025,
        0.018463135, -0.003173828,  0.001113892,  0.000045776,
        -0.000152588, -0.002243042, -0.000030518, -0.029281616,
        -0.025817871, -0.150497437, -0.297210693, -1.077117920,
        0.841949463,  0.032379150,  0.129562378, -0.017257690,
        0.017349243, -0.003280640,  0.001037598,  0.000030518,
        -0.000167847, -0.002349854, -0.000549316, -0.029937744,
        -0.030609131, -0.148773193, -0.323318481, -1.089782715,
        0.816864014,  0.015228271,  0.125259399, -0.019531250,
        0.016235352, -0.003372192,  0.000961304,  0.000030518,
        -0.000198364, -0.002456665, -0.001098633, -0.030532837,
        -0.035552979, -0.146362305, -0.349868774, -1.101211548,
        0.791213989, -0.001068115,  0.120697021, -0.021575928,
        0.015121460, -0.003417969,  0.000885010,  0.000030518,
        -0.000213623, -0.002578735, -0.001693726, -0.031005859,
        -0.040634155, -0.143264771, -0.376800537, -1.111373901,
        0.765029907, -0.016510010,  0.115921021, -0.023422241,
        0.014022827, -0.003463745,  0.000808716,  0.000030518,
        -0.000244141, -0.002685547, -0.002334595, -0.031387329,
        -0.045837402, -0.139450073, -0.404083252, -1.120223999,