mp3enc_psychoacoustic_int.c

audio-video-codecs.rar语音编解码器

/*
//
//                  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) 2003-2006 Intel Corporation. All Rights Reserved.
//
//     Intel Integrated Performance Primitives AAC Encode Sample for Windows*
//
//  By downloading and installing this sample, you hereby agree that the
//  accompanying Materials are being provided to you under the terms and
//  conditions of the End User License Agreement for the Intel Integrated
//  Performance Primitives product previously accepted by you. Please refer
//  to the file ippEULA.rtf or ippEULA.txt located in the root directory of your Intel IPP
//  product installation for more information.
//
//  MPEG-4 and AAC are international standards promoted by ISO, IEC, ITU, ETSI
//  and other organizations. Implementations of these standards, or the standard
//  enabled platforms may require licenses from various entities, including
//  Intel Corporation.
//
*/

#include "mp3enc_own_int.h"

#define  N_SHORT 256
#define  N_LONG 1024

/****************************************************************************/

typedef struct _ptbl_s {
  Ipp16s numlines;
  Ipp32s qthr;
  Ipp32s SNR;
  Ipp16s bval;
} ptbl_s;

typedef struct _p2sb {
  Ipp32s bu;
  Ipp32s bo;
  Ipp32s w1;
  Ipp32s w2;
} p2sb;

static const p2sb mp3ienc_p2sb_l[3][SBBND_L] = {
 { /* freq = 44100 */
  { 0,  4, 536870911,  30064771},
  { 4,  7, 506806143, 328028127},
  { 7, 11, 208842783,  89657439},
  {11, 14, 447213471, 387620799},
  {14, 17, 149250111,  74625055},
  {17, 18, 462245855, 492310623},
  {18, 21,  44560283, 312995743},
  {21, 24, 223875167, 134217727},
  {24, 27, 402653183, 432181087},
  {27, 30, 104152959, 308163903},
  {30, 33, 228707007, 288299679},
  {33, 36, 248571231, 439697279},
  {36, 40,  96636767,  53687091},
  {40, 43, 483183807, 251255583},
  {43, 46, 285615327, 334470591},
  {46, 49, 201863455, 241591903},
  {49, 52, 295279007, 296352735},
  {52, 55, 240518175, 216358975},
  {55, 57, 320511935, 345207999},
  {57, 59, 191662911, 387620799},
  {59, 61, 149250111, 515396063},
 },
 { /* freq = 48000 */
  { 0,  4, 536870911,  30064771},
  { 4,  7, 506806143, 328028127},
  { 7, 11, 208842783,  89657439},
  {11, 14, 447213471, 387620799},
  {14, 17, 149250111, 343060511},
  {17, 19, 193810399, 223875167},
  {19, 22, 312995743,  44560283},
  {22, 24, 492310623, 402653183},
  {24, 27, 134217727, 223875167},
  {27, 30, 312995743, 347892351},
  {30, 33, 188978559, 328028127},
  {33, 36, 208842783, 335544319},
  {36, 40, 201326591,  77309407},
  {40, 43, 459561503, 208842783},
  {43, 46, 328028127,  85899343},
  {46, 49, 450971551, 116500983},
  {49, 52, 420369919,  98784247},
  {52, 54, 438086655, 475667615},
  {54, 57,  61203283, 168040591},
  {57, 59, 368830303, 242665647},
  {59, 60, 294205247, 487478783},
 },
 { /* freq = 32000 */
  { 0,  2, 536870911, 283467839},
  { 2,  4, 253403071, 163745631},
  { 4,  6, 372588415,  44560283},
  { 6,  7, 492310623, 462245855},
  { 7,  9,  74625055, 343060511},
  { 9, 11, 193810399, 223875167},
  {11, 14, 312995743,  44560283},
  {14, 16, 492310623, 402653183},
  {16, 19, 134217727, 467077695},
  {19, 22,  69793215, 447213471},
  {22, 26,  89657439, 208842783},
  {26, 30, 328028127, 256624287},
  {30, 34, 280246623,  17716739},
  {34, 37, 519154175, 492310623},
  {37, 41,  44560283, 331249343},
  {41, 44, 205621551, 534186559},
  {44, 48,   2684354, 147102623},
  {48, 51, 389768287, 257698031},
  {51, 54, 278635999, 140123311},
  {54, 56, 396747615, 474593887},
  {56, 58,  62277023, 536870911},
 }
};

static const p2sb mp3ienc_p2sb_s[3][SBBND_S] = {
 { /* freq = 44100 */
  { 0,  2, 536870911,  89657439},
  { 3,  5, 447213471, 447213471},
  { 5,  8,  89657439, 268435455},
  { 8, 11, 268435455,  89657439},
  {11, 15, 447213471,  89657439},
  {15, 20, 447213471, 134217727},
  {20, 23, 402653183, 312995743},
  {23, 27, 223875167,  29527899},
  {27, 30, 506806143, 201326591},
  {30, 33, 335544319, 161061279},
  {33, 36, 375809631,  89657439},
  {36, 38, 447213471, 536870911},
 },
 { /* freq = 48000 */
  { 0,  2, 536870911,  89657439},
  { 3,  5, 447213471, 447213471},
  { 5,  8,  89657439, 268435455},
  { 8, 11, 268435455,  89657439},
  {11, 15, 447213471,  89657439},
  {15, 19, 447213471, 312995743},
  {19, 22, 223875167, 492310623},
  {22, 26,  44560283, 506806143},
  {26, 30,  29527899,  22548577},
  {30, 32, 514322335, 304405791},
  {32, 35, 232465103,  89657439},
  {35, 37, 447213471, 331786207},
 },
 { /* freq = 32000 */
  { 0,  2, 536870911,  89657439},
  { 3,  5, 447213471, 447213471},
  { 5,  8,  89657439, 268435455},
  { 8, 11, 268435455,  89657439},
  {11, 15, 447213471,  89657439},
  {15, 20, 447213471, 134217727},
  {20, 24, 402653183, 134217727},
  {24, 29, 402653183,  29527899},
  {29, 33, 506806143, 201326591},
  {33, 37, 335544319, 253403071},
  {37, 40, 283467839, 503048031},
  {40, 41,  33285995, 536870911},
 },
};

static const ptbl_s mp3ienc_ptbl_s[3][CBANDS_s] = {
 { /* freq = 44100 */
  { 1,  148504, 644109759,      0},
  { 1,   29622, 633159871,   1762},
  { 1,     950, 633159871,   3524},
  { 1,     294, 632515775,   5173},
  { 1,     294, 634448063,   6569},
  { 1,     294, 633159871,   7784},
  { 1,     294, 629939327,   8910},
  { 1,     294, 622854143,   9884},
  { 1,     294, 610615999,  10756},
  { 1,     294, 599022079,  11552},
  { 1,     294, 706652735,  12285},
  { 1,     294, 672634431,  12915},
  { 1,     294, 653305855,  13513},
  { 1,     294, 618514431,  14064},
  { 1,     294, 579084159,  14568},
  { 1,     294, 541973311,  15032},
  { 1,     294, 504862431,  15472},
  { 1,     294, 456154399,  15864},
  { 1,     294, 476256127,  16256},
  { 2,     589, 664903039,  16917},
  { 2,     589, 706902783,  17505},
  { 2,     589, 654507775,  18026},
  { 2,     589, 590946687,  18488},
  { 2,     589, 525667679,  18894},
  { 2,     589, 510206879,  19282},
  { 3,     884, 565178687,  19714},
  { 3,     884, 606407487,  20195},
  { 3,    1769, 566896511,  20641},
  { 3,    1769, 520514079,  21049},
  { 3,    1769, 485297791,  21431},
  { 4,    3735, 601378495,  21806},
  { 4,    3735, 621782399,  22198},
  { 5,   14811, 608895743,  22585},
  { 5,   14811, 573457343,  22954},
  { 5,   14811, 662251519,  23305},
  { 7,  207421, 669982079,  23665},
  { 7,  207421, 667405247,  24024},
  { 7,  207421, 653232575,  24376},
  {19, 5629968, 671997055,  24728},
 },
 { /* freq = 48000 38 */
  { 1,  148504, 644109759,      0},
  { 1,   29622, 637024511,   1918},
  { 1,     950, 637024511,   3836},
  { 1,     294, 631871615,   5563},
  { 1,     294, 634448063,   7014},
  { 1,     294, 633803967,   8295},
  { 1,     294, 631227519,   9449},
  { 1,     294, 623498239,  10436},
  { 1,     294, 614480703,  11337},
  { 1,     294, 598377919,  12137},
  { 1,     294, 700467583,  12842},
  { 1,     294, 682685311,  13498},
  { 1,     294, 652532735,  14097},
  { 1,     294, 612329279,  14638},
  { 1,     294, 577537855,  15143},
  { 1,     294, 532695583,  15600},
  { 1,     294, 497904127,  16027},
  { 1,     294, 457700703,  16437},
  { 1,     294, 427548095,  16786},
  { 2,     589, 657171583,  17437},
  { 2,     589, 696595583,  18011},
  { 2,     589, 632175551,  18513},
  { 2,     589, 571191167,  18954},
  { 2,     589, 523949823,  19366},
  { 2,     589, 467260159,  19738},
  { 2,     589, 453517215,  20087},
  { 3,    1769, 533398079,  20498},
  { 3,    1769, 578062655,  20957},
  { 3,    1769, 545423167,  21380},
  { 4,    3735, 537692735,  21796},
  { 4,    3735, 682994111,  22221},
  { 5,   14811, 660442431,  22636},
  { 5,   14811, 621782399,  23030},
  { 5,   14811, 591713471,  23403},
  { 7,  207421, 711211775,  23775},
  { 7,  207421, 720230783,  24159},
  {11,  325943, 680289535,  24525},
  {17, 5037326, 617156607,  24872},
 },
 { /* freq = 32000 */
  { 1,  148504, 644109759,      0},
  { 1,   29622, 634448063,   1278},
  { 1,    2949, 633159871,   2557},
  { 1,     950, 633159871,   3836},
  { 1,     294, 631871615,   5021},
  { 1,     294, 628006975,   6095},
  { 1,     294, 617701247,   7014},
  { 1,     294, 608039615,   7877},
  { 1,     294, 600954367,   8695},
  { 1,     294, 592580927,   9449},
  { 1,     294, 689643583,  10122},
  { 1,     294, 667222463,  10741},
  { 1,     294, 648667007,  11337},
  { 1,     294, 607690431,  11870},
  { 1,     294, 583723007,  12385},
  { 1,     294, 539653823,  12842},
  { 1,     294, 520325279,  13299},
  { 1,     294, 467751551,  13698},
  { 1,     294, 486306975,  14097},
  { 2,     589, 682685311,  14806},
  { 2,     589, 736965503,  15443},
  { 2,     589, 712056383,  16027},
  { 2,     589, 658802495,  16549},
  { 2,     589, 605548543,  17018},
  { 2,     589, 547141055,  17449},
  { 2,     589, 484438847,  17829},
  { 2,     589, 472413759,  18195},
  { 3,     884, 517937279,  18595},
  { 3,     884, 545423167,  19024},
  { 3,     884, 508488991,  19430},
  { 3,     884, 572383423,  19797},
  { 3,     884, 556275071,  20145},
  { 4,    2359, 609969599,  20527},
  { 4,    2359, 637890751,  20932},
  { 4,    2359, 731826623,  21320},
  { 5,    4685, 690596927,  21688},
  { 5,    4685, 672558975,  22044},
  { 6,    5636, 698327487,  22414},
  { 7,   20742, 810305215,  22787},
  { 7,   20742, 780238207,  23145},
  { 8,   23691, 882923327,  23499},
  {10,  296321, 889794303,  23857},
 },
};

/****************************************************************************/

static const Ipp16s mp3ienc_pa_numlines_l[3][CBANDS_l] = {
    {
        1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   2,   2,   2,
        2,   2,   2,   2,   2,   2,   2,   2,   2,   2,   3,   3,   3,   3,   3,   3,   3,   4,
        4,   4,   5,   5,   5,   6,   6,   7,   7,   7,   9,   9,   9,  10,  10,  11,  14,  14,
        15,  20,  20,  21,  27,  27,  36,  73,  18, /* {47,*/
    },
    {
        1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   2,   2,
        2,   2,   2,   2,   2,   2,   2,   2,   2,   2,   2,   3,   3,   3,   3,   3,   4,   4,
        4,   4,   4,   5,   5,   5,   6,   7,   7,   8,   8,   8,  10,  10,  10,  13,  13,  14,
        18,  18, 20,  25,  25,  35,  67,  67,
    },
    {