mp3enc_tables.cpp

这是在PCA下的基于IPP库示例代码例子,在网上下了IPP的库之后,设置相关参数就可以编译该代码.

/*//////////////////////////////////////////////////////////////////////////////
//
//                  INTEL CORPORATION PROPRIETARY INFORMATION
//     This software is supplied under the terms of a license agreement or
//     nondisclosure agreement with Intel Corporation and may not be copied
//     or disclosed except in accordance with the terms of that agreement.
//          Copyright(c) 2002-2005 Intel Corporation. All Rights Reserved.
//
*/

#include "umc_mp3_encoder.h"

scalefac_struct mp3enc_sfBandIndex[3] =
{
  { // 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}
  }
};

int mp3enc_slen1_tab[16]      = { 0, 0, 0, 0, 3, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4 };
int mp3enc_slen2_tab[16]      = { 0, 1, 2, 3, 0, 1, 2, 3, 1, 2, 3, 1, 2, 3, 2, 3 };
int mp3enc_scfsi_band_long[5] = { 0, 6, 11, 16, 21 };
int mp3enc_pretab[21]         = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 3, 3, 3, 2};

int mp3enc_region01_table[23][2] =
{
  {0, 0},  {0, 0},
  {0, 0},  {0, 0},
  {0, 0},  {0, 1},
  {1, 1},  {1, 1},
  {1, 2},  {2, 2},
  {2, 3},  {2, 3},
  {3, 4},  {3, 4},
  {3, 4},  {4, 5},
  {4, 5},  {4, 6},
  {5, 6},  {5, 6},
  {5, 7},  {6, 7},
  {6, 7},
};

const float mp3enc_Ccoef[64][15] =
{
{ 0.000000000f,  0.000101566f,  0.000971317f,  0.003134727f,  0.035780907f,
  0.003134727f,  0.000971317f,  0.000101566f,  0.000000000f,  0.000101566f,
  0.000971317f,  0.003134727f,  0.035780907f,  0.003134727f,  0.000971317f },
{-0.000000477f,  0.000103951f,  0.000953674f,  0.002841473f,  0.035758972f,
  0.003401756f,  0.000983715f,  0.000099182f, -0.000000477f,  0.000103951f,
  0.000953674f,  0.002841473f,  0.035758972f,  0.003401756f,  0.000983715f },
{-0.000000477f,  0.000105858f,  0.000930786f,  0.002521515f,  0.035694122f,
  0.003643036f,  0.000991821f,  0.000096321f, -0.000000477f,  0.000105858f,
  0.000930786f,  0.002521515f,  0.035694122f,  0.003643036f,  0.000991821f },
{-0.000000477f,  0.000107288f,  0.000902653f,  0.002174854f,  0.035586357f,
  0.003858566f,  0.000995159f,  0.000093460f, -0.000000477f,  0.000107288f,
  0.000902653f,  0.002174854f,  0.035586357f,  0.003858566f,  0.000995159f },
{-0.000000477f,  0.000108242f,  0.000868797f,  0.001800537f,  0.035435200f,
  0.004049301f,  0.000994205f,  0.000090599f, -0.000000477f,  0.000108242f,
  0.000868797f,  0.001800537f,  0.035435200f,  0.004049301f,  0.000994205f },
{-0.000000477f,  0.000108719f,  0.000829220f,  0.001399517f,  0.035242081f,
  0.004215240f,  0.000989437f,  0.000087261f, -0.000000477f,  0.000108719f,
  0.000829220f,  0.001399517f,  0.035242081f,  0.004215240f,  0.000989437f },
{-0.000000477f,  0.000108719f,  0.000783920f,  0.000971317f,  0.035007000f,
  0.004357815f,  0.000980854f,  0.000083923f, -0.000000477f,  0.000108719f,
  0.000783920f,  0.000971317f,  0.035007000f,  0.004357815f,  0.000980854f },
{-0.000000954f,  0.000108242f,  0.000731945f,  0.000515938f,  0.034730434f,
  0.004477024f,  0.000968933f,  0.000080585f, -0.000000954f,  0.000108242f,
  0.000731945f,  0.000515938f,  0.034730434f,  0.004477024f,  0.000968933f },
{-0.000000954f,  0.000106812f,  0.000674248f,  0.000033379f,  0.034412861f,
  0.004573822f,  0.000954151f,  0.000076771f, -0.000000954f,  0.000106812f,
  0.000674248f,  0.000033379f,  0.034412861f,  0.004573822f,  0.000954151f },
{-0.000000954f,  0.000105381f,  0.000610352f, -0.000475883f,  0.034055710f,
  0.004649162f,  0.000935555f,  0.000073433f, -0.000000954f,  0.000105381f,
  0.000610352f, -0.000475883f,  0.034055710f,  0.004649162f,  0.000935555f },
{-0.000000954f,  0.000102520f,  0.000539303f, -0.001011848f,  0.033659935f,
  0.004703045f,  0.000915051f,  0.000070095f, -0.000000954f,  0.000102520f,
  0.000539303f, -0.001011848f,  0.033659935f,  0.004703045f,  0.000915051f },
{-0.000001431f,  0.000099182f,  0.000462532f, -0.001573563f,  0.033225536f,
  0.004737377f,  0.000891685f,  0.000066280f, -0.000001431f,  0.000099182f,
  0.000462532f, -0.001573563f,  0.033225536f,  0.004737377f,  0.000891685f },
{-0.000001431f,  0.000095367f,  0.000378609f, -0.002161503f,  0.032754898f,
  0.004752159f,  0.000866413f,  0.000062943f, -0.000001431f,  0.000095367f,
  0.000378609f, -0.002161503f,  0.032754898f,  0.004752159f,  0.000866413f },
{-0.000001907f,  0.000090122f,  0.000288486f, -0.002774239f,  0.032248020f,
  0.004748821f,  0.000838757f,  0.000059605f, -0.000001907f,  0.000090122f,
  0.000288486f, -0.002774239f,  0.032248020f,  0.004748821f,  0.000838757f },
{-0.000001907f,  0.000084400f,  0.000191689f, -0.003411293f,  0.031706810f,
  0.004728317f,  0.000809669f,  0.000055790f, -0.000001907f,  0.000084400f,
  0.000191689f, -0.003411293f,  0.031706810f,  0.004728317f,  0.000809669f },
{-0.000002384f,  0.000077724f,  0.000088215f, -0.004072189f,  0.031132698f,
  0.004691124f,  0.000779152f,  0.000052929f, -0.000002384f,  0.000077724f,
  0.000088215f, -0.004072189f,  0.031132698f,  0.004691124f,  0.000779152f },
{-0.000002384f,  0.000069618f, -0.000021458f, -0.004756451f,  0.030526638f,
  0.004638195f,  0.000747204f,  0.000049591f, -0.000002384f,  0.000069618f,
 -0.000021458f, -0.004756451f,  0.030526638f,  0.004638195f,  0.000747204f },
{-0.000002861f,  0.000060558f, -0.000137329f, -0.005462170f,  0.029890060f,
  0.004570484f,  0.000714302f,  0.000046253f, -0.000002861f,  0.000060558f,
 -0.000137329f, -0.005462170f,  0.029890060f,  0.004570484f,  0.000714302f },
{-0.000003338f,  0.000050545f, -0.000259876f, -0.006189346f,  0.029224873f,
  0.004489899f,  0.000680923f,  0.000043392f, -0.000003338f,  0.000050545f,
 -0.000259876f, -0.006189346f,  0.029224873f,  0.004489899f,  0.000680923f },
{-0.000003338f,  0.000039577f, -0.000388145f, -0.006937027f,  0.028532982f,
  0.004395962f,  0.000646591f,  0.000040531f, -0.000003338f,  0.000039577f,
 -0.000388145f, -0.006937027f,  0.028532982f,  0.004395962f,  0.000646591f },
{-0.000003815f,  0.000027180f, -0.000522137f, -0.007703304f,  0.027815342f,
  0.004290581f,  0.000611782f,  0.000037670f, -0.000003815f,  0.000027180f,
 -0.000522137f, -0.007703304f,  0.027815342f,  0.004290581f,  0.000611782f },
{-0.000004292f,  0.000013828f, -0.000661850f, -0.008487225f,  0.027073860f,
  0.004174709f,  0.000576973f,  0.000034809f, -0.000004292f,  0.000013828f,
 -0.000661850f, -0.008487225f,  0.027073860f,  0.004174709f,  0.000576973f },
{-0.000004768f, -0.000000954f, -0.000806808f, -0.009287834f,  0.026310921f,
  0.004048824f,  0.000542164f,  0.000032425f, -0.000004768f, -0.000000954f,
 -0.000806808f, -0.009287834f,  0.026310921f,  0.004048824f,  0.000542164f },
{-0.000005245f, -0.000017166f, -0.000956535f, -0.010103703f,  0.025527000f,
  0.003914356f,  0.000507355f,  0.000030041f, -0.000005245f, -0.000017166f,
 -0.000956535f, -0.010103703f,  0.025527000f,  0.003914356f,  0.000507355f },