2
* mpadec - MPEG audio decoder
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* Copyright (C) 2002-2004 Dmitriy Startsev (dstartsev@rambler.ru)
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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/* $Id: tables.c,v 1.1.1.1 2004/07/27 02:58:48 metal_man Exp $ */
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#include "csoundCore.h"
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#include "mpadec_internal.h"
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const uint16_t crc_table[256] = {
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0x0000, 0x8005, 0x800F, 0x000A, 0x801B, 0x001E, 0x0014, 0x8011,
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0x8033, 0x0036, 0x003C, 0x8039, 0x0028, 0x802D, 0x8027, 0x0022,
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0x8063, 0x0066, 0x006C, 0x8069, 0x0078, 0x807D, 0x8077, 0x0072,
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0x0050, 0x8055, 0x805F, 0x005A, 0x804B, 0x004E, 0x0044, 0x8041,
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0x80C3, 0x00C6, 0x00CC, 0x80C9, 0x00D8, 0x80DD, 0x80D7, 0x00D2,
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0x00F0, 0x80F5, 0x80FF, 0x00FA, 0x80EB, 0x00EE, 0x00E4, 0x80E1,
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0x00A0, 0x80A5, 0x80AF, 0x00AA, 0x80BB, 0x00BE, 0x00B4, 0x80B1,
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0x8093, 0x0096, 0x009C, 0x8099, 0x0088, 0x808D, 0x8087, 0x0082,
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0x8183, 0x0186, 0x018C, 0x8189, 0x0198, 0x819D, 0x8197, 0x0192,
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0x01B0, 0x81B5, 0x81BF, 0x01BA, 0x81AB, 0x01AE, 0x01A4, 0x81A1,
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0x01E0, 0x81E5, 0x81EF, 0x01EA, 0x81FB, 0x01FE, 0x01F4, 0x81F1,
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0x81D3, 0x01D6, 0x01DC, 0x81D9, 0x01C8, 0x81CD, 0x81C7, 0x01C2,
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0x0140, 0x8145, 0x814F, 0x014A, 0x815B, 0x015E, 0x0154, 0x8151,
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0x8173, 0x0176, 0x017C, 0x8179, 0x0168, 0x816D, 0x8167, 0x0162,
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0x8123, 0x0126, 0x012C, 0x8129, 0x0138, 0x813D, 0x8137, 0x0132,
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0x0110, 0x8115, 0x811F, 0x011A, 0x810B, 0x010E, 0x0104, 0x8101,
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0x8303, 0x0306, 0x030C, 0x8309, 0x0318, 0x831D, 0x8317, 0x0312,
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0x0330, 0x8335, 0x833F, 0x033A, 0x832B, 0x032E, 0x0324, 0x8321,
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0x0360, 0x8365, 0x836F, 0x036A, 0x837B, 0x037E, 0x0374, 0x8371,
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0x8353, 0x0356, 0x035C, 0x8359, 0x0348, 0x834D, 0x8347, 0x0342,
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0x03C0, 0x83C5, 0x83CF, 0x03CA, 0x83DB, 0x03DE, 0x03D4, 0x83D1,
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0x83F3, 0x03F6, 0x03FC, 0x83F9, 0x03E8, 0x83ED, 0x83E7, 0x03E2,
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0x83A3, 0x03A6, 0x03AC, 0x83A9, 0x03B8, 0x83BD, 0x83B7, 0x03B2,
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0x0390, 0x8395, 0x839F, 0x039A, 0x838B, 0x038E, 0x0384, 0x8381,
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0x0280, 0x8285, 0x828F, 0x028A, 0x829B, 0x029E, 0x0294, 0x8291,
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0x82B3, 0x02B6, 0x02BC, 0x82B9, 0x02A8, 0x82AD, 0x82A7, 0x02A2,
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0x82E3, 0x02E6, 0x02EC, 0x82E9, 0x02F8, 0x82FD, 0x82F7, 0x02F2,
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0x02D0, 0x82D5, 0x82DF, 0x02DA, 0x82CB, 0x02CE, 0x02C4, 0x82C1,
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0x8243, 0x0246, 0x024C, 0x8249, 0x0258, 0x825D, 0x8257, 0x0252,
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0x0270, 0x8275, 0x827F, 0x027A, 0x826B, 0x026E, 0x0264, 0x8261,
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0x0220, 0x8225, 0x822F, 0x022A, 0x823B, 0x023E, 0x0234, 0x8231,
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0x8213, 0x0216, 0x021C, 0x8219, 0x0208, 0x820D, 0x8207, 0x0202
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const MYFLT newcos[8] = {
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0.93969262078590838405410927732473, -0.17364817766693034885171662676931,
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-0.76604444311897803520239265055542, 0.98480775301220805936674302458952,
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-0.34202014332566873304409961468226, -0.64278760968653932632264340990726,
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0.86602540378443864676372317075294, 0.5
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const MYFLT tfcos36[9] = {
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0.50190991877167369479228784572231, 0.51763809020504152469779767524810,
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0.55168895948124587824344735167135, 0.61038729438072803416729403213053,
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0.70710678118654752440084436210485, 0.87172339781054900991884170836219,
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1.18310079157624925896683916310440, 1.93185165257813657349948639945780,
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5.73685662283492756457461251791420
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const MYFLT tfcos12[3] = {
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0.5176380902050415246977976752481, 0.70710678118654752440084436210485,
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1.9318516525781365734994863994578
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0.85749292571254418689325777610964, 0.88174199731770518177557399759066,
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0.94962864910273289204833276115398, 0.98331459249179014599030200066392,
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0.99551781606758576429088040422867, 0.99916055817814750452934664352117,
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0.99989919524444704626703489425565, 0.99999315507028023572010150517204
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-0.5144957554275265121359546656657900, -0.4717319685649722722499320887110000,
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-0.3133774542039018543759498111808100, -0.1819131996109811770082058701228300,
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-0.0945741925264206476076336384017240, -0.0409655828853040476857032123843680,
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-0.0141985685724711480569918954984300, -0.0036999746737600368721643755691366
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bandinfo_t band_info[9] = {
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{ { 0, 4, 8, 12, 16, 20, 24, 30, 36, 44, 52, 62, 74, 90, 110, 134, 162,
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196, 238, 288, 342, 418, 576 },
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{ 4, 4, 4, 4, 4, 4, 6, 6, 8, 8, 10, 12, 16, 20, 24, 28, 34, 42, 50,
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{ 0, 4*3, 8*3, 12*3, 16*3, 22*3, 30*3, 40*3, 52*3, 66*3, 84*3, 106*3,
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{ 4, 4, 4, 4, 6, 8, 10, 12, 14, 18, 22, 30, 56 } },
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{ { 0, 4, 8, 12, 16, 20, 24, 30, 36, 42, 50, 60, 72, 88, 106, 128, 156,
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190, 230, 276, 330, 384, 576 },
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{ 4, 4, 4, 4, 4, 4, 6, 6, 6, 8, 10, 12, 16, 18, 22, 28, 34, 40, 46,
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{ 0, 4*3, 8*3, 12*3, 16*3, 22*3, 28*3, 38*3, 50*3, 64*3, 80*3, 100*3,
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{ 4, 4, 4, 4, 6, 6, 10, 12, 14, 16, 20, 26, 66 } },
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{ { 0, 4, 8, 12, 16, 20, 24, 30, 36, 44, 54, 66, 82, 102, 126, 156, 194,
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240, 296, 364, 448, 550, 576 },
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{ 4, 4, 4, 4, 4, 4, 6, 6, 8, 10, 12, 16, 20, 24, 30, 38, 46, 56, 68,
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{ 0, 4*3, 8*3, 12*3, 16*3, 22*3, 30*3, 42*3, 58*3, 78*3, 104*3, 138*3,
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{ 4, 4, 4, 4, 6, 8, 12, 16, 20, 26, 34, 42, 12 } },
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{ { 0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 116, 140, 168, 200,
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238, 284, 336, 396, 464, 522, 576 },
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{ 6, 6, 6, 6, 6, 6, 8, 10, 12, 14, 16, 20, 24, 28, 32, 38, 46, 52, 60,
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{ 0, 4*3, 8*3, 12*3, 18*3, 24*3, 32*3, 42*3, 56*3, 74*3, 100*3, 132*3,
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{ 4, 4, 4, 6, 6, 8, 10, 14, 18, 26, 32, 42, 18 } },
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{ { 0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 114, 136, 162, 194,
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232, 278, 330, 394, 464, 540, 576 },
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{ 6, 6, 6, 6, 6, 6, 8, 10, 12, 14, 16, 18, 22, 26, 32, 38, 46, 52, 64,
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{ 0, 4*3, 8*3, 12*3, 18*3, 26*3, 36*3, 48*3, 62*3, 80*3, 104*3, 136*3,
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{ 4, 4, 4, 6, 8, 10, 12, 14, 18, 24, 32, 44, 12 } },
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{ { 0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 116, 140, 168, 200,
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238, 284, 336, 396, 464, 522, 576 },
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{ 6, 6, 6, 6, 6, 6, 8, 10, 12, 14, 16, 20, 24, 28, 32, 38, 46, 52, 60,
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{ 0, 4*3, 8*3, 12*3, 18*3, 26*3, 36*3, 48*3, 62*3, 80*3, 104*3, 134*3,
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{ 4, 4, 4, 6, 8, 10, 12, 14, 18, 24, 30, 40, 18 } },
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{ { 0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 116, 140, 168, 200,
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238, 284, 336, 396, 464, 522, 576 },
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{ 6, 6, 6, 6, 6, 6, 8, 10, 12, 14, 16, 20, 24, 28, 32, 38, 46, 52, 60,
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{ 0, 12, 24, 36, 54, 78, 108, 144, 186, 240, 312, 402, 522, 576 },
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{ 4, 4, 4, 6, 8, 10, 12, 14, 18, 24, 30, 40, 18 } },
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{ { 0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 116, 140, 168, 200,
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238, 284, 336, 396, 464, 522, 576 },
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{ 6, 6, 6, 6, 6, 6, 8, 10, 12, 14, 16, 20, 24, 28, 32, 38, 46, 52, 60,
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{ 0, 12, 24, 36, 54, 78, 108, 144, 186, 240, 312, 402, 522, 576 },
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{ 4, 4, 4, 6, 8, 10, 12, 14, 18, 24, 30, 40, 18 } },
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{ { 0, 12, 24, 36, 48, 60, 72, 88, 108, 132, 160, 192, 232, 280, 336,
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400, 476, 566, 568, 570, 572, 574, 576 },
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{ 12, 12, 12, 12, 12, 12, 16, 20, 24, 28, 32, 40, 48, 56, 64, 76, 90,
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{ 0, 24, 48, 72, 108, 156, 216, 288, 372, 480, 486, 492, 498, 576 },
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{ 8, 8, 8, 12, 16, 20, 24, 28, 36, 2, 2, 2, 26 } },
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static alloc_table_t alloc_0[] = {
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{4,0}, {5,3}, {3,-3}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127},
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{11,-1023}, {12,-2047}, {13,-4095}, {14,-8191}, {15,-16383}, {16,-32767},
165
{4,0}, {5,3}, {3,-3}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127},
167
{11,-1023}, {12,-2047}, {13,-4095}, {14,-8191}, {15,-16383}, {16,-32767},
168
{4,0}, {5,3}, {3,-3}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127},
170
{11,-1023}, {12,-2047}, {13,-4095}, {14,-8191}, {15,-16383}, {16,-32767},
171
{4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31},
173
{9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {16,-32767},
174
{4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127},
175
{9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {16,-32767},
176
{4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127},
177
{9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {16,-32767},
178
{4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127},
179
{9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {16,-32767},
180
{4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127},
181
{9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {16,-32767},
182
{4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127},
183
{9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {16,-32767},
184
{4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127},
185
{9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {16,-32767},
186
{4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127},
187
{9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {16,-32767},
188
{3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767},
189
{3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767},
190
{3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767},
191
{3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767},
192
{3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767},
193
{3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767},
194
{3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767},
195
{3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767},
196
{3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767},
197
{3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767},
198
{3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767},
199
{3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767},
200
{2,0}, {5,3}, {7,5}, {16,-32767},
201
{2,0}, {5,3}, {7,5}, {16,-32767},
202
{2,0}, {5,3}, {7,5}, {16,-32767},
203
{2,0}, {5,3}, {7,5}, {16,-32767}
206
static alloc_table_t alloc_1[] = {
207
{4,0}, {5,3}, {3,-3}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127},
209
{11,-1023}, {12,-2047}, {13,-4095}, {14,-8191}, {15,-16383}, {16,-32767},
210
{4,0}, {5,3}, {3,-3}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127},
212
{11,-1023}, {12,-2047}, {13,-4095}, {14,-8191}, {15,-16383}, {16,-32767},
213
{4,0}, {5,3}, {3,-3}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127},
215
{11,-1023}, {12,-2047}, {13,-4095}, {14,-8191}, {15,-16383}, {16,-32767},
216
{4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127},
217
{9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {16,-32767},
218
{4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127},
219
{9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {16,-32767},
220
{4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127},
221
{9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {16,-32767},
222
{4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127},
223
{9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {16,-32767},
224
{4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127},
225
{9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {16,-32767},
226
{4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127},
227
{9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {16,-32767},
228
{4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127},
229
{9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {16,-32767},
230
{4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127},
231
{9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {16,-32767},
232
{3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767},
233
{3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767},
234
{3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767},
235
{3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767},
236
{3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767},
237
{3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767},
238
{3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767},
239
{3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767},
240
{3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767},
241
{3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767},
242
{3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767},
243
{3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767},
244
{2,0}, {5,3}, {7,5}, {16,-32767},
245
{2,0}, {5,3}, {7,5}, {16,-32767},
246
{2,0}, {5,3}, {7,5}, {16,-32767},
247
{2,0}, {5,3}, {7,5}, {16,-32767},
248
{2,0}, {5,3}, {7,5}, {16,-32767},
249
{2,0}, {5,3}, {7,5}, {16,-32767},
250
{2,0}, {5,3}, {7,5}, {16,-32767}
253
static alloc_table_t alloc_2[] = {
254
{4,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63},
256
{10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {14,-8191}, {15,-16383},
257
{4,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63},
259
{10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {14,-8191}, {15,-16383},
260
{3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63},
261
{3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63},
262
{3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63},
263
{3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63},
264
{3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63},
265
{3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}
268
static alloc_table_t alloc_3[] = {
269
{4,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63},
271
{10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {14,-8191}, {15,-16383},
272
{4,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63},
274
{10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {14,-8191}, {15,-16383},
275
{3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63},
276
{3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63},
277
{3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63},
278
{3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63},
279
{3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63},
280
{3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63},
281
{3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63},
282
{3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63},
283
{3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63},
284
{3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}
287
static alloc_table_t alloc_4[] = {
288
{4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127},
289
{9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {14,-8191},
290
{4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127},
291
{9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {14,-8191},
292
{4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127},
293
{9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {14,-8191},
294
{4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127},
295
{9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {14,-8191},
296
{3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63},
297
{3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63},
298
{3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63},
299
{3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63},
300
{3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63},
301
{3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63},
302
{3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63},
303
{2,0}, {5,3}, {7,5}, {10,9},
304
{2,0}, {5,3}, {7,5}, {10,9},
305
{2,0}, {5,3}, {7,5}, {10,9},
306
{2,0}, {5,3}, {7,5}, {10,9},
307
{2,0}, {5,3}, {7,5}, {10,9},
308
{2,0}, {5,3}, {7,5}, {10,9},
309
{2,0}, {5,3}, {7,5}, {10,9},
310
{2,0}, {5,3}, {7,5}, {10,9},
311
{2,0}, {5,3}, {7,5}, {10,9},
312
{2,0}, {5,3}, {7,5}, {10,9},
313
{2,0}, {5,3}, {7,5}, {10,9},
314
{2,0}, {5,3}, {7,5}, {10,9},
315
{2,0}, {5,3}, {7,5}, {10,9},
316
{2,0}, {5,3}, {7,5}, {10,9},
317
{2,0}, {5,3}, {7,5}, {10,9},
318
{2,0}, {5,3}, {7,5}, {10,9},
319
{2,0}, {5,3}, {7,5}, {10,9},
320
{2,0}, {5,3}, {7,5}, {10,9},
321
{2,0}, {5,3}, {7,5}, {10,9}
324
alloc_table_t *alloc_tables[5] = { alloc_0, alloc_1, alloc_2, alloc_3, alloc_4 };
326
static int16_t tab0[] = { 0 };
328
static int16_t tab1[] = { -5, -3, -1, 17, 1, 16, 0 };
330
static int16_t tab2[] = {
331
-15, -11, -9, -5, -3, -1, 34, 2, 18, -1, 33, 32,
335
static int16_t tab3[] = {
336
-13, -11, -9, -5, -3, -1, 34, 2, 18, -1, 33, 32,
340
static int16_t tab5[] = {
341
-29, -25, -23, -15, -7, -5, -3, -1, 51, 35, 50, 49,
343
3, -1, 48, 34, -3, -1, 18, 33, -1, 2, 32, 17,
348
static int16_t tab6[] = {
349
-25, -19, -13, -9, -5, -3, -1, 51, 3, 35, -1, 50,
351
49, -3, -1, 34, 2, 18, -3, -1, 33, 32, 1, -1,
356
static int16_t tab7[] = {
357
-69, -65, -57, -39, -29, -17, -11, -7, -3, -1, 85, 69,
359
-1, 53, 68, -3, -1, 37, 82, 21, -5, -1, 81, -1,
361
80, -1, 67, 51, -5, -3, -1, 36, 66, 20, -1, 65,
363
-3, -1, 4, 35, -1, 50, 3, -1, 19, 49, -3, -1,
365
-5, -1, 33, -1, 2, 32, 17, -1, 1, 16, 0
368
static int16_t tab8[] = {
369
-65, -63, -59, -45, -31, -19, -13, -7, -5, -3, -1, 85,
371
-3, -1, 53, 68, 37, -3, -1, 82, 5, 21, -5, -1,
373
67, -3, -1, 80, 51, 36, -5, -3, -1, 66, 20, 65,
375
64, -1, 35, 50, -9, -7, -3, -1, 19, 49, -1, 3,
377
2, 32, -1, 18, 33, 17, -3, -1, 1, 16, 0
380
static int16_t tab9[] = {
381
-63, -53, -41, -29, -19, -11, -5, -3, -1, 85, 69, 53,
383
84, 5, -3, -1, 68, 37, -1, 82, 21, -3, -1, 81,
385
-1, 80, 4, -7, -3, -1, 36, 66, -1, 51, 64, -1,
387
-3, -1, 35, 50, 19, -1, 49, -1, 3, 48, -5, -3,
389
18, -1, 33, 32, -3, -1, 17, 1, -1, 16, 0
392
static int16_t tab10[] = {
393
-125, -121, -111, -83, -55, -35, -21, -13, -7, -3, -1, 119,
395
87, -3, -1, 117, 102, 71, -3, -1, 116, 86, -1, 101,
397
-1, 115, 70, -3, -1, 85, 84, 99, -1, 39, 114, -11,
399
100, 7, 112, -1, 98, -1, 69, 53, -5, -1, 6, -1,
401
-17, -5, -1, 113, -1, 54, 38, -5, -3, -1, 37, 82,
403
-1, 52, 67, -3, -1, 22, 97, -1, 96, -1, 5, 80,
405
-3, -1, 36, 66, -1, 51, 4, -1, 20, 65, -3, -1,
407
50, 3, -3, -1, 19, 49, -1, 48, 34, -7, -3, -1,
409
2, 32, 17, -1, 1, 16, 0
412
static int16_t tab11[] = {
413
-121, -113, -89, -59, -43, -27, -17, -7, -3, -1, 119, 103,
415
-3, -1, 102, 71, -1, 116, -1, 87, 85, -5, -3, -1,
417
-1, 115, 70, -9, -7, -3, -1, 69, 84, -1, 53, 83,
419
-1, 100, 7, -5, -1, 113, -1, 23, 112, -3, -1, 54,
421
-1, 68, 37, -13, -7, -5, -3, -1, 82, 5, 21, 98,
423
6, 22, -5, -1, 97, -1, 81, 52, -5, -1, 80, -1,
425
36, 66, -15, -11, -7, -3, -1, 20, 65, -1, 4, 64,
427
-1, 19, 49, -5, -3, -1, 3, 48, 34, 33, -5, -1,
429
32, 17, -3, -1, 1, 16, 0
432
static int16_t tab12[] = {
433
-115, -99, -73, -45, -27, -17, -9, -5, -3, -1, 119, 103,
435
117, -3, -1, 102, 71, -1, 116, 101, -3, -1, 86, 55,
437
85, 39, -7, -3, -1, 114, 70, -1, 100, 23, -5, -1,
439
112, -1, 54, 99, -13, -9, -3, -1, 69, 84, -1, 68,
441
-1, 38, 98, -5, -1, 97, -1, 22, 96, -3, -1, 53,
443
82, -17, -7, -3, -1, 21, 81, -1, 52, 67, -5, -3,
445
36, -1, 66, 20, -3, -1, 51, 65, -1, 35, 50, -11,
447
-1, 64, 3, 48, 19, -1, 49, 34, -1, 18, 33, -7,
449
2, 32, 0, 17, -1, 1, 16
452
static int16_t tab13[] = {
453
-509, -503, -475, -405, -333, -265, -205, -153, -115, -83, -53, -35,
455
-7, -5, -3, -1, 254, 252, 253, 237, 255, -1, 239, 223,
457
207, -1, 222, 191, -9, -3, -1, 251, 206, -1, 220, -1,
459
236, 221, -9, -5, -3, -1, 250, 205, 190, -1, 235, 159,
461
234, -1, 189, 219, -17, -9, -3, -1, 143, 248, -1, 204,
463
-5, -1, 142, -1, 127, 126, 247, -5, -1, 218, -1, 173,
465
203, 246, 111, -15, -7, -3, -1, 232, 95, -1, 157, 217,
467
231, -1, 172, 187, -9, -3, -1, 79, 244, -3, -1, 202,
469
63, -1, 141, 216, -21, -9, -3, -1, 47, 242, -3, -1,
471
-5, -3, -1, 201, 94, 171, -3, -1, 125, 215, 78, -11,
473
200, 214, 62, -1, 185, -1, 155, 170, -1, 31, 241, -23,
475
240, -1, 186, 229, -3, -1, 228, 140, -1, 109, 227, -5,
477
46, 14, -1, 30, 225, -15, -7, -3, -1, 224, 93, -1,
479
-1, 199, 77, -1, 139, 184, -7, -3, -1, 212, 154, -1,
481
198, 61, -37, -21, -9, -5, -3, -1, 211, 123, 45, -1,
483
-1, 183, -1, 92, 197, -3, -1, 153, 122, 195, -7, -5,
485
151, 75, 209, -3, -1, 13, 208, -1, 138, 168, -11, -7,
487
196, -1, 107, 182, -1, 60, 44, -3, -1, 194, 91, -3,
489
28, -43, -23, -11, -5, -1, 193, -1, 152, 12, -1, 192,
491
-5, -3, -1, 166, 121, 59, -1, 179, -1, 136, 90, -11,
493
-1, 165, 105, -1, 164, -1, 120, 135, -5, -1, 148, -1,
495
-11, -3, -1, 27, 177, -3, -1, 11, 176, -1, 150, 74,
497
58, 163, -1, 89, 149, -1, 42, 162, -47, -23, -9, -3,
499
-3, -1, 10, 104, 160, -5, -3, -1, 134, 73, 147, -3,
501
-1, 133, 103, -9, -3, -1, 41, 146, -3, -1, 87, 117,
503
131, -1, 102, 71, -3, -1, 116, 86, -1, 101, 115, -11,
505
145, -3, -1, 9, 144, -1, 72, 132, -7, -5, -1, 114,
507
40, -1, 130, 24, -41, -27, -11, -5, -3, -1, 55, 39,
509
-1, 85, 7, -7, -3, -1, 112, 54, -1, 99, 69, -3,
511
-1, 98, 53, -5, -1, 129, -1, 8, 128, -3, -1, 22,
513
96, -13, -9, -5, -3, -1, 83, 68, 37, -1, 82, 5,
515
-7, -3, -1, 52, 67, -1, 80, 36, -3, -1, 66, 51,
517
-5, -1, 65, -1, 4, 64, -3, -1, 35, 50, 19, -3,
519
-1, 48, 34, -3, -1, 18, 33, -1, 2, 32, -3, -1,
524
static int16_t tab15[] = {
525
-495, -445, -355, -263, -183, -115, -77, -43, -27, -13, -7, -3,
527
-1, 254, 223, -1, 238, -1, 253, 207, -7, -3, -1, 252,
529
191, -1, 251, -1, 206, 236, -7, -3, -1, 221, 175, -1,
531
-1, 235, 205, -1, 220, 159, -15, -7, -3, -1, 249, 234,
533
-3, -1, 143, 248, -1, 204, 158, -7, -3, -1, 233, 127,
535
-3, -1, 218, 188, -1, 111, -1, 174, 15, -19, -11, -3,
537
-3, -1, 142, 232, -1, 95, 157, -3, -1, 245, 126, -1,
539
-3, -1, 202, 187, -3, -1, 217, 141, 79, -3, -1, 244,
541
216, -33, -17, -9, -3, -1, 230, 47, -1, 242, -1, 110,
543
31, 241, -1, 156, 201, -7, -3, -1, 94, 171, -1, 186,
545
125, 215, -1, 78, 228, -15, -7, -3, -1, 140, 200, -1,
547
-1, 214, 227, -1, 155, 185, -7, -3, -1, 46, 170, -1,
549
-1, 225, -1, 14, 224, -1, 93, 213, -45, -25, -13, -7,
551
199, -1, 77, 139, -1, 212, -1, 184, 154, -7, -3, -1,
553
198, 61, -1, 211, 210, -9, -5, -3, -1, 45, 13, 29,
555
-5, -1, 209, -1, 92, 208, -1, 197, 138, -17, -7, -3,
557
-1, 196, 107, -5, -1, 182, -1, 153, 12, -1, 60, 195,
559
122, 167, -1, 166, -1, 192, 11, -1, 194, -1, 44, 91,
561
-7, -3, -1, 181, 28, -1, 137, 152, -3, -1, 193, 75,
563
-5, -3, -1, 59, 121, 179, -3, -1, 151, 136, -1, 43,
565
-1, 178, -1, 165, 27, -1, 177, -1, 176, 105, -7, -3,
567
-1, 164, 120, -3, -1, 135, 58, 163, -17, -7, -3, -1,
569
42, 162, -3, -1, 26, 161, -3, -1, 10, 160, 104, -7,
571
73, -1, 148, 57, -5, -1, 147, -1, 119, 9, -1, 88,
573
-13, -7, -3, -1, 41, 103, -1, 118, 146, -1, 145, -1,
575
-3, -1, 72, 132, -1, 87, 117, -3, -1, 56, 131, -1,
577
-3, -1, 40, 130, -1, 24, 129, -7, -3, -1, 116, 8,
579
-3, -1, 101, 55, -1, 115, 70, -17, -7, -3, -1, 39,
581
23, -3, -1, 85, 113, -3, -1, 7, 112, 54, -7, -3,
583
-1, 84, 38, -3, -1, 98, 22, -3, -1, 6, 96, 53,
585
-5, -1, 97, -1, 83, 68, -1, 37, 82, -3, -1, 21,
587
5, 80, 52, -7, -3, -1, 67, 36, -1, 66, 51, -1,
589
4, -9, -3, -1, 35, 50, -3, -1, 64, 3, 19, -3,
591
34, -9, -7, -3, -1, 18, 33, -1, 2, 32, 17, -3,
596
static int16_t tab16[] = {
597
-509, -503, -461, -323, -103, -37, -27, -15, -7, -3, -1, 239,
599
253, -3, -1, 207, 252, -1, 191, 251, -5, -1, 175, -1,
601
-1, 249, 248, 143, -7, -3, -1, 127, 247, -1, 111, 246,
603
-3, -1, 95, 245, 79, -1, 244, 243, -53, -1, 240, -1,
605
-13, -7, -5, -1, 206, -1, 236, 221, 222, -1, 233, -1,
607
238, -1, 237, 235, -3, -1, 190, 205, -3, -1, 220, 219,
609
-1, 204, -1, 173, 218, -3, -1, 126, 172, 202, -5, -3,
611
94, 189, 242, -93, -5, -3, -1, 47, 15, 31, -1, 241,
613
-5, -1, 158, -1, 188, 203, -3, -1, 142, 232, -1, 157,
615
-1, 187, 141, -1, 216, 110, -1, 230, 156, -13, -7, -3,
617
-1, 229, 215, -1, 78, -1, 228, 140, -3, -1, 200, 62,
619
214, 155, -19, -11, -5, -3, -1, 185, 170, 225, -1, 212,
621
-5, -1, 123, -1, 183, 208, 227, -7, -3, -1, 14, 224,
623
-3, -1, 124, 199, -1, 77, 139, -75, -45, -27, -13, -7,
625
108, -1, 198, 61, -3, -1, 92, 197, 13, -7, -3, -1,
627
153, 76, -3, -1, 182, 122, 60, -11, -5, -3, -1, 91,
629
192, -1, 152, 121, -1, 226, -1, 46, 30, -15, -7, -3,
631
-1, 210, 209, -5, -1, 59, -1, 151, 136, 29, -7, -3,
633
-1, 195, 167, -1, 44, -1, 194, 181, -23, -13, -7, -3,
635
-1, 75, 180, -3, -1, 106, 166, 179, -5, -3, -1, 90,
637
178, 27, -13, -5, -1, 177, -1, 11, 176, -3, -1, 105,
639
164, -5, -3, -1, 120, 135, 163, -3, -1, 58, 89, 42,
641
-19, -11, -5, -3, -1, 149, 104, 161, -3, -1, 134, 119,
643
-1, 73, 87, 103, 162, -5, -1, 26, -1, 10, 160, -3,
645
-1, 88, 133, -9, -3, -1, 41, 146, -3, -1, 118, 9,
647
145, -1, 144, 72, -3, -1, 132, 117, -1, 56, 131, -21,
649
-1, 102, 40, 130, -3, -1, 71, 116, 24, -3, -1, 129,
651
8, 86, 55, -9, -5, -1, 115, -1, 101, 70, -1, 39,
653
-1, 100, 85, 7, 23, -23, -13, -5, -1, 113, -1, 112,
655
99, 69, -1, 84, 38, -3, -1, 98, 22, -1, 97, -1,
657
-5, -1, 83, -1, 53, 68, -1, 37, 82, -1, 81, -1,
659
-23, -13, -7, -3, -1, 52, 67, -1, 80, 36, -3, -1,
661
-5, -1, 65, -1, 4, 64, -1, 35, 50, -3, -1, 19,
663
3, 48, 34, -3, -1, 18, 33, -1, 2, 32, -3, -1,
668
static int16_t tab24[] = {
669
-451, -117, -43, -25, -15, -7, -3, -1, 239, 254, -1, 223,
671
207, 252, -1, 191, 251, -5, -1, 250, -1, 175, 159, -1,
673
-5, -3, -1, 143, 127, 247, -1, 111, 246, -3, -1, 95,
675
244, -71, -7, -3, -1, 63, 243, -1, 47, 242, -5, -1,
677
240, -25, -9, -1, 15, -3, -1, 238, 222, -1, 237, 206,
679
236, 221, -1, 190, 235, -3, -1, 205, 220, -1, 174, 234,
681
-1, 189, 219, -1, 204, 158, -3, -1, 233, 173, -1, 218,
683
-1, 203, 142, -1, 232, 157, -3, -1, 217, 126, -1, 231,
685
-143, -77, -45, -25, -15, -7, -3, -1, 202, 187, -1, 141,
687
-1, 14, 224, 13, 230, -5, -3, -1, 110, 156, 201, -1,
689
-5, -1, 229, -1, 171, 125, -1, 215, 228, -3, -1, 140,
691
78, 46, 62, -15, -7, -3, -1, 109, 214, -1, 227, 155,
693
170, -1, 226, 30, -7, -3, -1, 225, 93, -1, 213, 124,
695
77, -1, 139, 184, -31, -15, -7, -3, -1, 212, 154, -1,
697
-1, 198, 61, -1, 211, 45, -7, -3, -1, 210, 29, -1,
699
-1, 209, 92, -1, 197, 138, -17, -7, -3, -1, 168, 153,
701
-3, -1, 107, 182, -3, -1, 208, 12, 60, -7, -3, -1,
703
167, 44, -3, -1, 194, 91, -1, 181, 28, -57, -35, -19,
705
137, 152, -1, 193, 75, -5, -3, -1, 192, 11, 59, -3,
707
26, -5, -1, 180, -1, 106, 166, -3, -1, 121, 151, -3,
709
144, -9, -3, -1, 179, 136, -3, -1, 43, 90, 178, -7,
711
27, -1, 177, 105, -1, 150, 164, -17, -9, -5, -3, -1,
713
-1, 58, 163, -3, -1, 89, 149, -1, 42, 162, -7, -3,
715
-1, 134, 119, -3, -1, 73, 148, -1, 57, 147, -63, -31,
717
-1, 88, 133, -1, 41, 103, -3, -1, 118, 146, -1, 25,
719
-1, 72, 132, -1, 87, 117, -3, -1, 56, 131, -1, 102,
721
-3, -1, 130, 24, -1, 71, 116, -5, -1, 129, -1, 8,
723
101, -7, -5, -1, 23, -1, 7, 112, 115, -3, -1, 55,
725
-7, -3, -1, 70, 100, -1, 85, 113, -3, -1, 54, 99,
727
-7, -3, -1, 38, 98, -1, 22, 97, -5, -3, -1, 6,
729
83, 68, -51, -37, -23, -15, -9, -3, -1, 37, 82, -1,
731
80, -1, 81, -1, 52, 67, -3, -1, 36, 66, -1, 51,
733
-1, 65, -1, 4, 64, -1, 35, 50, -1, 19, 49, -7,
735
3, 48, 34, 18, -1, 33, -1, 2, 32, -3, -1, 17,
740
static int16_t tab_c0[] = {
741
-29, -21, -13, -7, -3, -1, 11, 15, -1, 13, 14, -3,
743
9, -3, -1, 6, 3, -1, 10, 12, -3, -1, 2, 1,
748
static int16_t tab_c1[] = {
749
-15, -7, -3, -1, 15, 14, -1, 13, 12, -3, -1, 11,
751
8, -7, -3, -1, 7, 6, -1, 5, 4, -3, -1, 3,
756
newhuff_t hufft[] = {
757
{ 0, tab0 }, { 0, tab1 }, { 0, tab2 }, { 0, tab3 },
758
{ 0, tab0 }, { 0, tab5 }, { 0, tab6 }, { 0, tab7 },
759
{ 0, tab8 }, { 0, tab9 }, { 0, tab10 }, { 0, tab11 },
760
{ 0, tab12 }, { 0, tab13 }, { 0, tab0 }, { 0, tab15 },
761
{ 1, tab16 }, { 2, tab16 }, { 3, tab16 }, { 4, tab16 },
762
{ 6, tab16 }, { 8, tab16 }, { 10, tab16 }, { 13, tab16 },
763
{ 4, tab24 }, { 5, tab24 }, { 6, tab24 }, { 7, tab24 },
764
{ 8, tab24 }, { 9, tab24 }, { 11, tab24 }, { 13, tab24 }
767
newhuff_t hufftc[] = { { 0, tab_c0 }, { 0, tab_c1 } };
769
static int32_t intwinbase[] = {
770
0, -1, -1, -1, -1, -1, -1, -2, -2, -2,
771
-2, -3, -3, -4, -4, -5, -5, -6, -7, -7,
772
-8, -9, -10, -11, -13, -14, -16, -17, -19, -21,
773
-24, -26, -29, -31, -35, -38, -41, -45, -49, -53,
774
-58, -63, -68, -73, -79, -85, -91, -97, -104, -111,
775
-117, -125, -132, -139, -147, -154, -161, -169, -176, -183,
776
-190, -196, -202, -208, -213, -218, -222, -225, -227, -228,
777
-228, -227, -224, -221, -215, -208, -200, -189, -177, -163,
778
-146, -127, -106, -83, -57, -29, 2, 36, 72, 111,
779
153, 197, 244, 294, 347, 401, 459, 519, 581, 645,
780
711, 779, 848, 919, 991, 1064, 1137, 1210, 1283, 1356,
781
1428, 1498, 1567, 1634, 1698, 1759, 1817, 1870, 1919, 1962,
782
2001, 2032, 2057, 2075, 2085, 2087, 2080, 2063, 2037, 2000,
783
1952, 1893, 1822, 1739, 1644, 1535, 1414, 1280, 1131, 970,
784
794, 605, 402, 185, -45, -288, -545, -814, -1095, -1388,
785
-1692, -2006, -2330, -2663, -3004, -3351, -3705, -4063, -4425, -4788,
786
-5153, -5517, -5879, -6237, -6589, -6935, -7271, -7597, -7910, -8209,
787
-8491, -8755, -8998, -9219, -9416, -9585, -9727, -9838, -9916, -9959,
788
-9966, -9935, -9863, -9750, -9592, -9389, -9139, -8840, -8492, -8092,
789
-7640, -7134, -6574, -5959, -5288, -4561, -3776, -2935, -2037, -1082,
790
-70, 998, 2122, 3300, 4533, 5818, 7154, 8540, 9975, 11455,
791
12980, 14548, 16155, 17799, 19478, 21189, 22929, 24694, 26482, 28289,
792
30112, 31947, 33791, 35640, 37489, 39336, 41176, 43006, 44821, 46617,
793
48390, 50137, 51853, 53534, 55178, 56778, 58333, 59838, 61289, 62684,
794
64019, 65290, 66494, 67629, 68692, 69679, 70590, 71420, 72169, 72835,
795
73415, 73908, 74313, 74630, 74856, 74992, 75038
798
static void make_synth_window(mpadec_t mpadec, MYFLT scale)
800
register struct mpadec_t *mpa = (struct mpadec_t *)mpadec;
801
register int i, j, k;
804
for (i = 0, j = 0, k = 0; i < 256; i++, j++, k += 32) {
806
mpa->tables.decwin[k] =
807
mpa->tables.decwin[k + 16] = ((MYFLT)intwinbase[j]/65536.0)*scale;
808
if ((i & 31) == 31) k -= 1023;
809
if ((i & 63) == 63) scale = -scale;
811
for (; i < 512; i++, j--, k += 32) {
813
mpa->tables.decwin[k] =
814
mpa->tables.decwin[k + 16] = ((MYFLT)intwinbase[j]/65536.0)*scale;
815
if ((i & 31) == 31) k -= 1023;
816
if ((i & 63) == 63) scale = -scale;
820
static void init_limits(mpadec_t mpadec, int32_t sblimit)
822
register struct mpadec_t *mpa = (struct mpadec_t *)mpadec;
825
for (i = 0; i < 9; i++) {
826
for (j = 0; j < 23; j++) {
827
mpa->tables.long_limit[i][j] = (band_info[i].long_idx[j] + 7)/SSLIMIT + 1;
828
if (mpa->tables.long_limit[i][j] > sblimit)
829
mpa->tables.long_limit[i][j] = sblimit;
831
for (j = 0; j < 14; j++) {
832
mpa->tables.short_limit[i][j] =
833
(band_info[i].short_idx[j] - 1)/SSLIMIT + 1;
834
if (mpa->tables.short_limit[i][j] > sblimit)
835
mpa->tables.short_limit[i][j] = sblimit;
840
static void init_layer2(mpadec_t mpadec)
842
register struct mpadec_t *mpa = (struct mpadec_t *)mpadec;
843
int i, j, k; uint8_t *tab;
844
static MYFLT mulmul[27] = { 0.0, -2.0/3.0, 2.0/3.0, 2.0/7.0, 2.0/15.0,
845
2.0/31.0, 2.0/63.0, 2.0/127.0, 2.0/255.0,
846
2.0/511.0, 2.0/1023.0, 2.0/2047.0, 2.0/4095.0,
847
2.0/8191.0, 2.0/16383.0, 2.0/32767.0, 2.0/65535.0,
848
-4.0/5.0, -2.0/5.0, 2.0/5.0, 4.0/5.0, -8.0/9.0,
849
-4.0/9.0, -2.0/9.0, 2.0/9.0, 4.0/9.0, 8.0/9.0 };
850
static uint8_t base[3][9] = { { 1, 0, 2, }, { 17, 18, 0, 19, 20, },
851
{ 21, 1, 22, 23, 0, 24, 25, 2, 26 } };
853
tab = mpa->tables.grp3tab;
854
for (i = 0; i < 3; i++)
855
for (j = 0; j < 3; j++)
856
for (k = 0; k < 3; k++, tab += 3) {
861
tab = mpa->tables.grp5tab;
862
for (i = 0; i < 5; i++)
863
for (j = 0; j < 5; j++)
864
for (k = 0; k < 5; k++, tab += 3) {
869
tab = mpa->tables.grp9tab;
870
for (i = 0; i < 9; i++)
871
for (j = 0; j < 9; j++)
872
for (k = 0; k < 9; k++, tab += 3) {
877
mpa->tables.mp2tables[0] = mpa->tables.mp2tables[1] =
878
mpa->tables.mp2tables[2] = NULL;
879
mpa->tables.mp2tables[3] = mpa->tables.grp3tab;
880
mpa->tables.mp2tables[4] = NULL;
881
mpa->tables.mp2tables[5] = mpa->tables.grp5tab;
882
mpa->tables.mp2tables[6] = mpa->tables.mp2tables[7] =
883
mpa->tables.mp2tables[8] = NULL;
884
mpa->tables.mp2tables[9] = mpa->tables.grp9tab;
885
for (i = 0; i < 27; i++) {
886
for (j = 0, k = 3; j < 63; j++, k--)
887
mpa->tables.muls[i][j] = mulmul[i]*pow(2.0, (MYFLT)k/3.0);
888
mpa->tables.muls[i][63] = 0.0;
892
static void init_layer3(mpadec_t mpadec)
894
register struct mpadec_t *mpa = (struct mpadec_t *)mpadec;
897
for (i = -256; i < 122; i++)
898
mpa->tables.gainpow2[i + 256] = pow(2.0, -0.25*(i + 210));
899
for (i = 0; i < 8207; i++) mpa->tables.ispow[i] = pow(i, 4.0/3.0);
900
for (i = 0; i < 18; i++) {
901
mpa->tables.win[0][0][i] =
902
mpa->tables.win[0][1][i] =
903
0.5*sin((2*i + 1)*M_PI/72.0)/cos((2*i + 19)*M_PI/72.0);
904
mpa->tables.win[0][0][i + 18] =
905
mpa->tables.win[0][3][i + 18] =
906
0.5*sin((2*(i + 18) + 1)*M_PI/72.0)/cos((2*(i + 18) + 19)*M_PI/72.0);
908
for (i = 0; i < 6; i++) {
909
mpa->tables.win[0][1][i + 18] = 0.5/cos((2*(i + 18) + 19)*M_PI/72.0);
910
mpa->tables.win[0][3][i + 12] = 0.5/cos((2*(i + 12) + 19)*M_PI/72.0);
911
mpa->tables.win[0][1][i + 24] =
912
0.5*sin((2*i + 13)*M_PI/24.0)/cos((2*(i + 24) + 19)*M_PI/72.0);
913
mpa->tables.win[0][1][i + 30] = mpa->tables.win[0][3][i] = 0.0;
914
mpa->tables.win[0][3][i + 6] =
915
0.5*sin((2*i + 1)*M_PI/24.0)/cos((2*(i + 6) + 19)*M_PI/72.0);
917
for (i = 0; i < 12; i++) {
918
mpa->tables.win[0][2][i] =
919
0.5*sin((2*i + 1)*M_PI/24.0)/cos((2*i + 7)*M_PI/24.0);
921
for (i = 0; i < 4; i++) {
922
int len = (i == 2) ? 12 : 36;
923
for (j = 0; j < len; j += 2) {
924
mpa->tables.win[1][i][j] = mpa->tables.win[0][i][j];
925
mpa->tables.win[1][i][j + 1] = -mpa->tables.win[0][i][j + 1];
928
for (i = 0; i < 16; i++) {
929
MYFLT tmp = tan(i*M_PI/12.0);
930
mpa->tables.tan1_1[i] = tmp/(1.0 + tmp);
931
mpa->tables.tan2_1[i] = 1.0/(1.0 + tmp);
932
mpa->tables.tan1_2[i] = M_SQRT2*tmp/(1.0 + tmp);
933
mpa->tables.tan2_2[i] = M_SQRT2/(1.0 + tmp);
934
for (j = 0; j < 2; j++) {
935
MYFLT base = pow(2.0, -0.25*(j + 1));
936
MYFLT p1 = 1.0, p2 = 1.0;
938
if (i & 1) p1 = pow(base, 0.5*(i + 1));
939
else p2 = pow(base, 0.5*i);
941
mpa->tables.pow1_1[j][i] = p1;
942
mpa->tables.pow2_1[j][i] = p2;
943
mpa->tables.pow1_2[j][i] = M_SQRT2*p1;
944
mpa->tables.pow2_2[j][i] = M_SQRT2*p2;
947
mpa->tables.istabs[0][0][0] = mpa->tables.tan1_1;
948
mpa->tables.istabs[0][0][1] = mpa->tables.tan2_1;
949
mpa->tables.istabs[0][1][0] = mpa->tables.tan1_2;
950
mpa->tables.istabs[0][1][1] = mpa->tables.tan2_2;
951
mpa->tables.istabs[1][0][0] = mpa->tables.pow1_1[0];
952
mpa->tables.istabs[1][0][1] = mpa->tables.pow2_1[0];
953
mpa->tables.istabs[1][1][0] = mpa->tables.pow1_2[0];
954
mpa->tables.istabs[1][1][1] = mpa->tables.pow2_2[0];
955
mpa->tables.istabs[2][0][0] = mpa->tables.pow1_1[1];
956
mpa->tables.istabs[2][0][1] = mpa->tables.pow2_1[1];
957
mpa->tables.istabs[2][1][0] = mpa->tables.pow1_2[1];
958
mpa->tables.istabs[2][1][1] = mpa->tables.pow2_2[1];
959
for (i = 0; i < 9; i++) {
960
bandinfo_t *bi = &band_info[i];
961
int32_t *mp, cb, lwin; int16_t *bdf;
962
mp = mpa->tables.map[i][0] = mpa->tables.mapbuf0[i];
964
for (cb = 0, j = 0; cb < 8; cb++, j += *bdf++, mp += 4) {
970
bdf = bi->short_diff + 3;
971
for (cb = 3; cb < 13; cb++) {
972
int l = (*bdf++) >> 1;
973
for (lwin = 0; lwin < 3; lwin++, mp += 4) {
981
mpa->tables.mapend[i][0] = mp;
982
mp = mpa->tables.map[i][1] = mpa->tables.mapbuf1[i];
983
bdf = bi->short_diff;
984
for (cb = 0, j = 0; cb < 13; cb++) {
985
int l = (*bdf++) >> 1;
986
for (lwin = 0; lwin < 3; lwin++, mp += 4) {
994
mpa->tables.mapend[i][1] = mp;
995
mp = mpa->tables.map[i][2] = mpa->tables.mapbuf2[i];
997
for (cb = 0; cb < 22; cb++, mp += 2) {
998
mp[0] = (*bdf++) >> 1;
1001
mpa->tables.mapend[i][2] = mp;
1003
for (i = 0; i < 5; i++) {
1004
for (j = 0; j < 6; j++) {
1005
for (k = 0; k < 6; k++) {
1006
register int n = k + 6*j + 36*i;
1007
mpa->tables.i_slen2[n] = i | (j << 3) | (k << 6) | (3 << 12);
1011
for (i = 0; i < 4; i++) {
1012
for (j = 0; j < 4; j++) {
1013
for (k = 0; k < 4; k++) {
1014
register int n = k + 4*j + 16*i;
1015
mpa->tables.i_slen2[n + 180] = i | (j << 3) | (k << 6) | (4 << 12);
1019
for (i = 0; i < 4; i++) {
1020
for (j = 0; j < 3; j++) {
1021
register int n = j + 3*i;
1022
mpa->tables.i_slen2[n + 244] = i | (j << 3) | (5 << 12);
1023
mpa->tables.n_slen2[n + 500] = i | (j << 3) | (2 << 12) | (1 << 15);
1026
for (i = 0; i < 5; i++) {
1027
for (j = 0; j < 5; j++) {
1028
for (k = 0; k < 4; k++) {
1029
for (l = 0; l < 4; l++) {
1030
register int n = l + 4*k + 16*j + 80*i;
1031
mpa->tables.n_slen2[n] = i | (j << 3) | (k << 6) | (l << 9);
1036
for (i = 0; i < 5; i++) {
1037
for (j = 0; j < 5; j++) {
1038
for (k = 0; k < 4; k++) {
1039
register int n = k + 4*j + 20*i;
1040
mpa->tables.n_slen2[n + 400] = i | (j << 3) | (k << 6) | (1 << 12);
1046
void init_tables(mpadec_t mpadec, MYFLT scale, int32_t sblimit)
1048
register struct mpadec_t *mpa = (struct mpadec_t *)mpadec;
1050
if (mpa->state < MPADEC_STATE_START) {
1054
init_limits(mpa, sblimit);
1055
make_synth_window(mpa, scale);
added
removed
InOut/libmpadec/tables.c
