/* * mpadec - MPEG audio decoder * Copyright (C) 2002-2004 Dmitriy Startsev (dstartsev@rambler.ru) * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /* $Id: tables.c,v 1.1.1.1 2004/07/27 02:58:48 metal_man Exp $ */ #include "mpadec_internal.h" const uint16_t crc_table[256] = { 0x0000, 0x8005, 0x800F, 0x000A, 0x801B, 0x001E, 0x0014, 0x8011, 0x8033, 0x0036, 0x003C, 0x8039, 0x0028, 0x802D, 0x8027, 0x0022, 0x8063, 0x0066, 0x006C, 0x8069, 0x0078, 0x807D, 0x8077, 0x0072, 0x0050, 0x8055, 0x805F, 0x005A, 0x804B, 0x004E, 0x0044, 0x8041, 0x80C3, 0x00C6, 0x00CC, 0x80C9, 0x00D8, 0x80DD, 0x80D7, 0x00D2, 0x00F0, 0x80F5, 0x80FF, 0x00FA, 0x80EB, 0x00EE, 0x00E4, 0x80E1, 0x00A0, 0x80A5, 0x80AF, 0x00AA, 0x80BB, 0x00BE, 0x00B4, 0x80B1, 0x8093, 0x0096, 0x009C, 0x8099, 0x0088, 0x808D, 0x8087, 0x0082, 0x8183, 0x0186, 0x018C, 0x8189, 0x0198, 0x819D, 0x8197, 0x0192, 0x01B0, 0x81B5, 0x81BF, 0x01BA, 0x81AB, 0x01AE, 0x01A4, 0x81A1, 0x01E0, 0x81E5, 0x81EF, 0x01EA, 0x81FB, 0x01FE, 0x01F4, 0x81F1, 0x81D3, 0x01D6, 0x01DC, 0x81D9, 0x01C8, 0x81CD, 0x81C7, 0x01C2, 0x0140, 0x8145, 0x814F, 0x014A, 0x815B, 0x015E, 0x0154, 0x8151, 0x8173, 0x0176, 0x017C, 0x8179, 0x0168, 0x816D, 0x8167, 0x0162, 0x8123, 0x0126, 0x012C, 0x8129, 0x0138, 0x813D, 0x8137, 0x0132, 0x0110, 0x8115, 0x811F, 0x011A, 0x810B, 0x010E, 0x0104, 0x8101, 0x8303, 0x0306, 0x030C, 0x8309, 0x0318, 0x831D, 0x8317, 0x0312, 0x0330, 0x8335, 0x833F, 0x033A, 0x832B, 0x032E, 0x0324, 0x8321, 0x0360, 0x8365, 0x836F, 0x036A, 0x837B, 0x037E, 0x0374, 0x8371, 0x8353, 0x0356, 0x035C, 0x8359, 0x0348, 0x834D, 0x8347, 0x0342, 0x03C0, 0x83C5, 0x83CF, 0x03CA, 0x83DB, 0x03DE, 0x03D4, 0x83D1, 0x83F3, 0x03F6, 0x03FC, 0x83F9, 0x03E8, 0x83ED, 0x83E7, 0x03E2, 0x83A3, 0x03A6, 0x03AC, 0x83A9, 0x03B8, 0x83BD, 0x83B7, 0x03B2, 0x0390, 0x8395, 0x839F, 0x039A, 0x838B, 0x038E, 0x0384, 0x8381, 0x0280, 0x8285, 0x828F, 0x028A, 0x829B, 0x029E, 0x0294, 0x8291, 0x82B3, 0x02B6, 0x02BC, 0x82B9, 0x02A8, 0x82AD, 0x82A7, 0x02A2, 0x82E3, 0x02E6, 0x02EC, 0x82E9, 0x02F8, 0x82FD, 0x82F7, 0x02F2, 0x02D0, 0x82D5, 0x82DF, 0x02DA, 0x82CB, 0x02CE, 0x02C4, 0x82C1, 0x8243, 0x0246, 0x024C, 0x8249, 0x0258, 0x825D, 0x8257, 0x0252, 0x0270, 0x8275, 0x827F, 0x027A, 0x826B, 0x026E, 0x0264, 0x8261, 0x0220, 0x8225, 0x822F, 0x022A, 0x823B, 0x023E, 0x0234, 0x8231, 0x8213, 0x0216, 0x021C, 0x8219, 0x0208, 0x820D, 0x8207, 0x0202 }; const FLOAT newcos[8] = { 0.93969262078590838405410927732473, -0.17364817766693034885171662676931, -0.76604444311897803520239265055542, 0.98480775301220805936674302458952, -0.34202014332566873304409961468226, -0.64278760968653932632264340990726, 0.86602540378443864676372317075294, 0.5 }; const FLOAT tfcos36[9] = { 0.50190991877167369479228784572231, 0.51763809020504152469779767524810, 0.55168895948124587824344735167135, 0.61038729438072803416729403213053, 0.70710678118654752440084436210485, 0.87172339781054900991884170836219, 1.18310079157624925896683916310440, 1.93185165257813657349948639945780, 5.73685662283492756457461251791420 }; const FLOAT tfcos12[3] = { 0.5176380902050415246977976752481, 0.70710678118654752440084436210485, 1.9318516525781365734994863994578 }; const FLOAT cs[8] = { 0.85749292571254418689325777610964, 0.88174199731770518177557399759066, 0.94962864910273289204833276115398, 0.98331459249179014599030200066392, 0.99551781606758576429088040422867, 0.99916055817814750452934664352117, 0.99989919524444704626703489425565, 0.99999315507028023572010150517204 }; const FLOAT ca[8] = { -0.5144957554275265121359546656657900, -0.4717319685649722722499320887110000, -0.3133774542039018543759498111808100, -0.1819131996109811770082058701228300, -0.0945741925264206476076336384017240, -0.0409655828853040476857032123843680, -0.0141985685724711480569918954984300, -0.0036999746737600368721643755691366 }; bandinfo_t band_info[9] = { /* MPEG 1.0 */ { { 0, 4, 8, 12, 16, 20, 24, 30, 36, 44, 52, 62, 74, 90, 110, 134, 162, 196, 238, 288, 342, 418, 576 }, { 4, 4, 4, 4, 4, 4, 6, 6, 8, 8, 10, 12, 16, 20, 24, 28, 34, 42, 50, 54, 76, 158 }, { 0, 4*3, 8*3, 12*3, 16*3, 22*3, 30*3, 40*3, 52*3, 66*3, 84*3, 106*3, 136*3, 192*3 }, { 4, 4, 4, 4, 6, 8, 10, 12, 14, 18, 22, 30, 56 } }, { { 0, 4, 8, 12, 16, 20, 24, 30, 36, 42, 50, 60, 72, 88, 106, 128, 156, 190, 230, 276, 330, 384, 576 }, { 4, 4, 4, 4, 4, 4, 6, 6, 6, 8, 10, 12, 16, 18, 22, 28, 34, 40, 46, 54, 54, 192 }, { 0, 4*3, 8*3, 12*3, 16*3, 22*3, 28*3, 38*3, 50*3, 64*3, 80*3, 100*3, 126*3, 192*3 }, { 4, 4, 4, 4, 6, 6, 10, 12, 14, 16, 20, 26, 66 } }, { { 0, 4, 8, 12, 16, 20, 24, 30, 36, 44, 54, 66, 82, 102, 126, 156, 194, 240, 296, 364, 448, 550, 576 }, { 4, 4, 4, 4, 4, 4, 6, 6, 8, 10, 12, 16, 20, 24, 30, 38, 46, 56, 68, 84, 102, 26 }, { 0, 4*3, 8*3, 12*3, 16*3, 22*3, 30*3, 42*3, 58*3, 78*3, 104*3, 138*3, 180*3, 192*3 }, { 4, 4, 4, 4, 6, 8, 12, 16, 20, 26, 34, 42, 12 } }, /* MPEG 2.0 */ { { 0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 116, 140, 168, 200, 238, 284, 336, 396, 464, 522, 576 }, { 6, 6, 6, 6, 6, 6, 8, 10, 12, 14, 16, 20, 24, 28, 32, 38, 46, 52, 60, 68, 58, 54 }, { 0, 4*3, 8*3, 12*3, 18*3, 24*3, 32*3, 42*3, 56*3, 74*3, 100*3, 132*3, 174*3, 192*3 }, { 4, 4, 4, 6, 6, 8, 10, 14, 18, 26, 32, 42, 18 } }, { { 0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 114, 136, 162, 194, 232, 278, 330, 394, 464, 540, 576 }, { 6, 6, 6, 6, 6, 6, 8, 10, 12, 14, 16, 18, 22, 26, 32, 38, 46, 52, 64, 70, 76, 36 }, { 0, 4*3, 8*3, 12*3, 18*3, 26*3, 36*3, 48*3, 62*3, 80*3, 104*3, 136*3, 180*3, 192*3 }, { 4, 4, 4, 6, 8, 10, 12, 14, 18, 24, 32, 44, 12 } }, { { 0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 116, 140, 168, 200, 238, 284, 336, 396, 464, 522, 576 }, { 6, 6, 6, 6, 6, 6, 8, 10, 12, 14, 16, 20, 24, 28, 32, 38, 46, 52, 60, 68, 58, 54 }, { 0, 4*3, 8*3, 12*3, 18*3, 26*3, 36*3, 48*3, 62*3, 80*3, 104*3, 134*3, 174*3, 192*3 }, { 4, 4, 4, 6, 8, 10, 12, 14, 18, 24, 30, 40, 18 } }, /* MPEG 2.5 */ { { 0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 116, 140, 168, 200, 238, 284, 336, 396, 464, 522, 576 }, { 6, 6, 6, 6, 6, 6, 8, 10, 12, 14, 16, 20, 24, 28, 32, 38, 46, 52, 60, 68, 58, 54 }, { 0, 12, 24, 36, 54, 78, 108, 144, 186, 240, 312, 402, 522, 576 }, { 4, 4, 4, 6, 8, 10, 12, 14, 18, 24, 30, 40, 18 } }, { { 0, 6, 12, 18, 24, 30, 36, 44, 54, 66, 80, 96, 116, 140, 168, 200, 238, 284, 336, 396, 464, 522, 576 }, { 6, 6, 6, 6, 6, 6, 8, 10, 12, 14, 16, 20, 24, 28, 32, 38, 46, 52, 60, 68, 58, 54 }, { 0, 12, 24, 36, 54, 78, 108, 144, 186, 240, 312, 402, 522, 576 }, { 4, 4, 4, 6, 8, 10, 12, 14, 18, 24, 30, 40, 18 } }, { { 0, 12, 24, 36, 48, 60, 72, 88, 108, 132, 160, 192, 232, 280, 336, 400, 476, 566, 568, 570, 572, 574, 576 }, { 12, 12, 12, 12, 12, 12, 16, 20, 24, 28, 32, 40, 48, 56, 64, 76, 90, 2, 2, 2, 2, 2 }, { 0, 24, 48, 72, 108, 156, 216, 288, 372, 480, 486, 492, 498, 576 }, { 8, 8, 8, 12, 16, 20, 24, 28, 36, 2, 2, 2, 26 } }, }; static alloc_table_t alloc_0[] = { {4,0}, {5,3}, {3,-3}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127}, {9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {14,-8191}, {15,-16383}, {16,-32767}, {4,0}, {5,3}, {3,-3}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127}, {9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {14,-8191}, {15,-16383}, {16,-32767}, {4,0}, {5,3}, {3,-3}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127}, {9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {14,-8191}, {15,-16383}, {16,-32767}, {4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127}, {9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {16,-32767}, {4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127}, {9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {16,-32767}, {4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127}, {9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {16,-32767}, {4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127}, {9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {16,-32767}, {4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127}, {9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {16,-32767}, {4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127}, {9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {16,-32767}, {4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127}, {9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {16,-32767}, {4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127}, {9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {16,-32767}, {3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767}, {3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767}, {3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767}, {3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767}, {3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767}, {3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767}, {3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767}, {3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767}, {3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767}, {3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767}, {3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767}, {3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767}, {2,0}, {5,3}, {7,5}, {16,-32767}, {2,0}, {5,3}, {7,5}, {16,-32767}, {2,0}, {5,3}, {7,5}, {16,-32767}, {2,0}, {5,3}, {7,5}, {16,-32767} }; static alloc_table_t alloc_1[] = { {4,0}, {5,3}, {3,-3}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127}, {9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {14,-8191}, {15,-16383}, {16,-32767}, {4,0}, {5,3}, {3,-3}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127}, {9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {14,-8191}, {15,-16383}, {16,-32767}, {4,0}, {5,3}, {3,-3}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127}, {9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {14,-8191}, {15,-16383}, {16,-32767}, {4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127}, {9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {16,-32767}, {4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127}, {9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {16,-32767}, {4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127}, {9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {16,-32767}, {4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127}, {9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {16,-32767}, {4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127}, {9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {16,-32767}, {4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127}, {9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {16,-32767}, {4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127}, {9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {16,-32767}, {4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127}, {9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {16,-32767}, {3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767}, {3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767}, {3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767}, {3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767}, {3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767}, {3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767}, {3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767}, {3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767}, {3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767}, {3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767}, {3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767}, {3,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {16,-32767}, {2,0}, {5,3}, {7,5}, {16,-32767}, {2,0}, {5,3}, {7,5}, {16,-32767}, {2,0}, {5,3}, {7,5}, {16,-32767}, {2,0}, {5,3}, {7,5}, {16,-32767}, {2,0}, {5,3}, {7,5}, {16,-32767}, {2,0}, {5,3}, {7,5}, {16,-32767}, {2,0}, {5,3}, {7,5}, {16,-32767} }; static alloc_table_t alloc_2[] = { {4,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127}, {9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {14,-8191}, {15,-16383}, {4,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127}, {9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {14,-8191}, {15,-16383}, {3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63} }; static alloc_table_t alloc_3[] = { {4,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127}, {9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {14,-8191}, {15,-16383}, {4,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127}, {9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {14,-8191}, {15,-16383}, {3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63} }; static alloc_table_t alloc_4[] = { {4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127}, {9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {14,-8191}, {4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127}, {9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {14,-8191}, {4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127}, {9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {14,-8191}, {4,0}, {5,3}, {7,5}, {3,-3}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {8,-127}, {9,-255}, {10,-511}, {11,-1023}, {12,-2047}, {13,-4095}, {14,-8191}, {3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {3,0}, {5,3}, {7,5}, {10,9}, {4,-7}, {5,-15}, {6,-31}, {7,-63}, {2,0}, {5,3}, {7,5}, {10,9}, {2,0}, {5,3}, {7,5}, {10,9}, {2,0}, {5,3}, {7,5}, {10,9}, {2,0}, {5,3}, {7,5}, {10,9}, {2,0}, {5,3}, {7,5}, {10,9}, {2,0}, {5,3}, {7,5}, {10,9}, {2,0}, {5,3}, {7,5}, {10,9}, {2,0}, {5,3}, {7,5}, {10,9}, {2,0}, {5,3}, {7,5}, {10,9}, {2,0}, {5,3}, {7,5}, {10,9}, {2,0}, {5,3}, {7,5}, {10,9}, {2,0}, {5,3}, {7,5}, {10,9}, {2,0}, {5,3}, {7,5}, {10,9}, {2,0}, {5,3}, {7,5}, {10,9}, {2,0}, {5,3}, {7,5}, {10,9}, {2,0}, {5,3}, {7,5}, {10,9}, {2,0}, {5,3}, {7,5}, {10,9}, {2,0}, {5,3}, {7,5}, {10,9}, {2,0}, {5,3}, {7,5}, {10,9} }; alloc_table_t *alloc_tables[5] = { alloc_0, alloc_1, alloc_2, alloc_3, alloc_4 }; static int16_t tab0[] = { 0 }; static int16_t tab1[] = { -5, -3, -1, 17, 1, 16, 0 }; static int16_t tab2[] = { -15, -11, -9, -5, -3, -1, 34, 2, 18, -1, 33, 32, 17, -1, 1, 16, 0 }; static int16_t tab3[] = { -13, -11, -9, -5, -3, -1, 34, 2, 18, -1, 33, 32, 16, 17, -1, 1, 0 }; static int16_t tab5[] = { -29, -25, -23, -15, -7, -5, -3, -1, 51, 35, 50, 49, -3, -1, 19, 3, -1, 48, 34, -3, -1, 18, 33, -1, 2, 32, 17, -1, 1, 16, 0 }; static int16_t tab6[] = { -25, -19, -13, -9, -5, -3, -1, 51, 3, 35, -1, 50, 48, -1, 19, 49, -3, -1, 34, 2, 18, -3, -1, 33, 32, 1, -1, 17, -1, 16, 0 }; static int16_t tab7[] = { -69, -65, -57, -39, -29, -17, -11, -7, -3, -1, 85, 69, -1, 84, 83, -1, 53, 68, -3, -1, 37, 82, 21, -5, -1, 81, -1, 5, 52, -1, 80, -1, 67, 51, -5, -3, -1, 36, 66, 20, -1, 65, 64, -11, -7, -3, -1, 4, 35, -1, 50, 3, -1, 19, 49, -3, -1, 48, 34, 18, -5, -1, 33, -1, 2, 32, 17, -1, 1, 16, 0 }; static int16_t tab8[] = { -65, -63, -59, -45, -31, -19, -13, -7, -5, -3, -1, 85, 84, 69, 83, -3, -1, 53, 68, 37, -3, -1, 82, 5, 21, -5, -1, 81, -1, 52, 67, -3, -1, 80, 51, 36, -5, -3, -1, 66, 20, 65, -3, -1, 4, 64, -1, 35, 50, -9, -7, -3, -1, 19, 49, -1, 3, 48, 34, -1, 2, 32, -1, 18, 33, 17, -3, -1, 1, 16, 0 }; static int16_t tab9[] = { -63, -53, -41, -29, -19, -11, -5, -3, -1, 85, 69, 53, -1, 83, -1, 84, 5, -3, -1, 68, 37, -1, 82, 21, -3, -1, 81, 52, -1, 67, -1, 80, 4, -7, -3, -1, 36, 66, -1, 51, 64, -1, 20, 65, -5, -3, -1, 35, 50, 19, -1, 49, -1, 3, 48, -5, -3, -1, 34, 2, 18, -1, 33, 32, -3, -1, 17, 1, -1, 16, 0 }; static int16_t tab10[] = { -125, -121, -111, -83, -55, -35, -21, -13, -7, -3, -1, 119, 103, -1, 118, 87, -3, -1, 117, 102, 71, -3, -1, 116, 86, -1, 101, 55, -9, -3, -1, 115, 70, -3, -1, 85, 84, 99, -1, 39, 114, -11, -5, -3, -1, 100, 7, 112, -1, 98, -1, 69, 53, -5, -1, 6, -1, 83, 68, 23, -17, -5, -1, 113, -1, 54, 38, -5, -3, -1, 37, 82, 21, -1, 81, -1, 52, 67, -3, -1, 22, 97, -1, 96, -1, 5, 80, -19, -11, -7, -3, -1, 36, 66, -1, 51, 4, -1, 20, 65, -3, -1, 64, 35, -1, 50, 3, -3, -1, 19, 49, -1, 48, 34, -7, -3, -1, 18, 33, -1, 2, 32, 17, -1, 1, 16, 0 }; static int16_t tab11[] = { -121, -113, -89, -59, -43, -27, -17, -7, -3, -1, 119, 103, -1, 118, 117, -3, -1, 102, 71, -1, 116, -1, 87, 85, -5, -3, -1, 86, 101, 55, -1, 115, 70, -9, -7, -3, -1, 69, 84, -1, 53, 83, 39, -1, 114, -1, 100, 7, -5, -1, 113, -1, 23, 112, -3, -1, 54, 99, -1, 96, -1, 68, 37, -13, -7, -5, -3, -1, 82, 5, 21, 98, -3, -1, 38, 6, 22, -5, -1, 97, -1, 81, 52, -5, -1, 80, -1, 67, 51, -1, 36, 66, -15, -11, -7, -3, -1, 20, 65, -1, 4, 64, -1, 35, 50, -1, 19, 49, -5, -3, -1, 3, 48, 34, 33, -5, -1, 18, -1, 2, 32, 17, -3, -1, 1, 16, 0 }; static int16_t tab12[] = { -115, -99, -73, -45, -27, -17, -9, -5, -3, -1, 119, 103, 118, -1, 87, 117, -3, -1, 102, 71, -1, 116, 101, -3, -1, 86, 55, -3, -1, 115, 85, 39, -7, -3, -1, 114, 70, -1, 100, 23, -5, -1, 113, -1, 7, 112, -1, 54, 99, -13, -9, -3, -1, 69, 84, -1, 68, -1, 6, 5, -1, 38, 98, -5, -1, 97, -1, 22, 96, -3, -1, 53, 83, -1, 37, 82, -17, -7, -3, -1, 21, 81, -1, 52, 67, -5, -3, -1, 80, 4, 36, -1, 66, 20, -3, -1, 51, 65, -1, 35, 50, -11, -7, -5, -3, -1, 64, 3, 48, 19, -1, 49, 34, -1, 18, 33, -7, -5, -3, -1, 2, 32, 0, 17, -1, 1, 16 }; static int16_t tab13[] = { -509, -503, -475, -405, -333, -265, -205, -153, -115, -83, -53, -35, -21, -13, -9, -7, -5, -3, -1, 254, 252, 253, 237, 255, -1, 239, 223, -3, -1, 238, 207, -1, 222, 191, -9, -3, -1, 251, 206, -1, 220, -1, 175, 233, -1, 236, 221, -9, -5, -3, -1, 250, 205, 190, -1, 235, 159, -3, -1, 249, 234, -1, 189, 219, -17, -9, -3, -1, 143, 248, -1, 204, -1, 174, 158, -5, -1, 142, -1, 127, 126, 247, -5, -1, 218, -1, 173, 188, -3, -1, 203, 246, 111, -15, -7, -3, -1, 232, 95, -1, 157, 217, -3, -1, 245, 231, -1, 172, 187, -9, -3, -1, 79, 244, -3, -1, 202, 230, 243, -1, 63, -1, 141, 216, -21, -9, -3, -1, 47, 242, -3, -1, 110, 156, 15, -5, -3, -1, 201, 94, 171, -3, -1, 125, 215, 78, -11, -5, -3, -1, 200, 214, 62, -1, 185, -1, 155, 170, -1, 31, 241, -23, -13, -5, -1, 240, -1, 186, 229, -3, -1, 228, 140, -1, 109, 227, -5, -1, 226, -1, 46, 14, -1, 30, 225, -15, -7, -3, -1, 224, 93, -1, 213, 124, -3, -1, 199, 77, -1, 139, 184, -7, -3, -1, 212, 154, -1, 169, 108, -1, 198, 61, -37, -21, -9, -5, -3, -1, 211, 123, 45, -1, 210, 29, -5, -1, 183, -1, 92, 197, -3, -1, 153, 122, 195, -7, -5, -3, -1, 167, 151, 75, 209, -3, -1, 13, 208, -1, 138, 168, -11, -7, -3, -1, 76, 196, -1, 107, 182, -1, 60, 44, -3, -1, 194, 91, -3, -1, 181, 137, 28, -43, -23, -11, -5, -1, 193, -1, 152, 12, -1, 192, -1, 180, 106, -5, -3, -1, 166, 121, 59, -1, 179, -1, 136, 90, -11, -5, -1, 43, -1, 165, 105, -1, 164, -1, 120, 135, -5, -1, 148, -1, 119, 118, 178, -11, -3, -1, 27, 177, -3, -1, 11, 176, -1, 150, 74, -7, -3, -1, 58, 163, -1, 89, 149, -1, 42, 162, -47, -23, -9, -3, -1, 26, 161, -3, -1, 10, 104, 160, -5, -3, -1, 134, 73, 147, -3, -1, 57, 88, -1, 133, 103, -9, -3, -1, 41, 146, -3, -1, 87, 117, 56, -5, -1, 131, -1, 102, 71, -3, -1, 116, 86, -1, 101, 115, -11, -3, -1, 25, 145, -3, -1, 9, 144, -1, 72, 132, -7, -5, -1, 114, -1, 70, 100, 40, -1, 130, 24, -41, -27, -11, -5, -3, -1, 55, 39, 23, -1, 113, -1, 85, 7, -7, -3, -1, 112, 54, -1, 99, 69, -3, -1, 84, 38, -1, 98, 53, -5, -1, 129, -1, 8, 128, -3, -1, 22, 97, -1, 6, 96, -13, -9, -5, -3, -1, 83, 68, 37, -1, 82, 5, -1, 21, 81, -7, -3, -1, 52, 67, -1, 80, 36, -3, -1, 66, 51, 20, -19, -11, -5, -1, 65, -1, 4, 64, -3, -1, 35, 50, 19, -3, -1, 49, 3, -1, 48, 34, -3, -1, 18, 33, -1, 2, 32, -3, -1, 17, 1, 16, 0 }; static int16_t tab15[] = { -495, -445, -355, -263, -183, -115, -77, -43, -27, -13, -7, -3, -1, 255, 239, -1, 254, 223, -1, 238, -1, 253, 207, -7, -3, -1, 252, 222, -1, 237, 191, -1, 251, -1, 206, 236, -7, -3, -1, 221, 175, -1, 250, 190, -3, -1, 235, 205, -1, 220, 159, -15, -7, -3, -1, 249, 234, -1, 189, 219, -3, -1, 143, 248, -1, 204, 158, -7, -3, -1, 233, 127, -1, 247, 173, -3, -1, 218, 188, -1, 111, -1, 174, 15, -19, -11, -3, -1, 203, 246, -3, -1, 142, 232, -1, 95, 157, -3, -1, 245, 126, -1, 231, 172, -9, -3, -1, 202, 187, -3, -1, 217, 141, 79, -3, -1, 244, 63, -1, 243, 216, -33, -17, -9, -3, -1, 230, 47, -1, 242, -1, 110, 240, -3, -1, 31, 241, -1, 156, 201, -7, -3, -1, 94, 171, -1, 186, 229, -3, -1, 125, 215, -1, 78, 228, -15, -7, -3, -1, 140, 200, -1, 62, 109, -3, -1, 214, 227, -1, 155, 185, -7, -3, -1, 46, 170, -1, 226, 30, -5, -1, 225, -1, 14, 224, -1, 93, 213, -45, -25, -13, -7, -3, -1, 124, 199, -1, 77, 139, -1, 212, -1, 184, 154, -7, -3, -1, 169, 108, -1, 198, 61, -1, 211, 210, -9, -5, -3, -1, 45, 13, 29, -1, 123, 183, -5, -1, 209, -1, 92, 208, -1, 197, 138, -17, -7, -3, -1, 168, 76, -1, 196, 107, -5, -1, 182, -1, 153, 12, -1, 60, 195, -9, -3, -1, 122, 167, -1, 166, -1, 192, 11, -1, 194, -1, 44, 91, -55, -29, -15, -7, -3, -1, 181, 28, -1, 137, 152, -3, -1, 193, 75, -1, 180, 106, -5, -3, -1, 59, 121, 179, -3, -1, 151, 136, -1, 43, 90, -11, -5, -1, 178, -1, 165, 27, -1, 177, -1, 176, 105, -7, -3, -1, 150, 74, -1, 164, 120, -3, -1, 135, 58, 163, -17, -7, -3, -1, 89, 149, -1, 42, 162, -3, -1, 26, 161, -3, -1, 10, 160, 104, -7, -3, -1, 134, 73, -1, 148, 57, -5, -1, 147, -1, 119, 9, -1, 88, 133, -53, -29, -13, -7, -3, -1, 41, 103, -1, 118, 146, -1, 145, -1, 25, 144, -7, -3, -1, 72, 132, -1, 87, 117, -3, -1, 56, 131, -1, 102, 71, -7, -3, -1, 40, 130, -1, 24, 129, -7, -3, -1, 116, 8, -1, 128, 86, -3, -1, 101, 55, -1, 115, 70, -17, -7, -3, -1, 39, 114, -1, 100, 23, -3, -1, 85, 113, -3, -1, 7, 112, 54, -7, -3, -1, 99, 69, -1, 84, 38, -3, -1, 98, 22, -3, -1, 6, 96, 53, -33, -19, -9, -5, -1, 97, -1, 83, 68, -1, 37, 82, -3, -1, 21, 81, -3, -1, 5, 80, 52, -7, -3, -1, 67, 36, -1, 66, 51, -1, 65, -1, 20, 4, -9, -3, -1, 35, 50, -3, -1, 64, 3, 19, -3, -1, 49, 48, 34, -9, -7, -3, -1, 18, 33, -1, 2, 32, 17, -3, -1, 1, 16, 0 }; static int16_t tab16[] = { -509, -503, -461, -323, -103, -37, -27, -15, -7, -3, -1, 239, 254, -1, 223, 253, -3, -1, 207, 252, -1, 191, 251, -5, -1, 175, -1, 250, 159, -3, -1, 249, 248, 143, -7, -3, -1, 127, 247, -1, 111, 246, 255, -9, -5, -3, -1, 95, 245, 79, -1, 244, 243, -53, -1, 240, -1, 63, -29, -19, -13, -7, -5, -1, 206, -1, 236, 221, 222, -1, 233, -1, 234, 217, -1, 238, -1, 237, 235, -3, -1, 190, 205, -3, -1, 220, 219, 174, -11, -5, -1, 204, -1, 173, 218, -3, -1, 126, 172, 202, -5, -3, -1, 201, 125, 94, 189, 242, -93, -5, -3, -1, 47, 15, 31, -1, 241, -49, -25, -13, -5, -1, 158, -1, 188, 203, -3, -1, 142, 232, -1, 157, 231, -7, -3, -1, 187, 141, -1, 216, 110, -1, 230, 156, -13, -7, -3, -1, 171, 186, -1, 229, 215, -1, 78, -1, 228, 140, -3, -1, 200, 62, -1, 109, -1, 214, 155, -19, -11, -5, -3, -1, 185, 170, 225, -1, 212, -1, 184, 169, -5, -1, 123, -1, 183, 208, 227, -7, -3, -1, 14, 224, -1, 93, 213, -3, -1, 124, 199, -1, 77, 139, -75, -45, -27, -13, -7, -3, -1, 154, 108, -1, 198, 61, -3, -1, 92, 197, 13, -7, -3, -1, 138, 168, -1, 153, 76, -3, -1, 182, 122, 60, -11, -5, -3, -1, 91, 137, 28, -1, 192, -1, 152, 121, -1, 226, -1, 46, 30, -15, -7, -3, -1, 211, 45, -1, 210, 209, -5, -1, 59, -1, 151, 136, 29, -7, -3, -1, 196, 107, -1, 195, 167, -1, 44, -1, 194, 181, -23, -13, -7, -3, -1, 193, 12, -1, 75, 180, -3, -1, 106, 166, 179, -5, -3, -1, 90, 165, 43, -1, 178, 27, -13, -5, -1, 177, -1, 11, 176, -3, -1, 105, 150, -1, 74, 164, -5, -3, -1, 120, 135, 163, -3, -1, 58, 89, 42, -97, -57, -33, -19, -11, -5, -3, -1, 149, 104, 161, -3, -1, 134, 119, 148, -5, -3, -1, 73, 87, 103, 162, -5, -1, 26, -1, 10, 160, -3, -1, 57, 147, -1, 88, 133, -9, -3, -1, 41, 146, -3, -1, 118, 9, 25, -5, -1, 145, -1, 144, 72, -3, -1, 132, 117, -1, 56, 131, -21, -11, -5, -3, -1, 102, 40, 130, -3, -1, 71, 116, 24, -3, -1, 129, 128, -3, -1, 8, 86, 55, -9, -5, -1, 115, -1, 101, 70, -1, 39, 114, -5, -3, -1, 100, 85, 7, 23, -23, -13, -5, -1, 113, -1, 112, 54, -3, -1, 99, 69, -1, 84, 38, -3, -1, 98, 22, -1, 97, -1, 6, 96, -9, -5, -1, 83, -1, 53, 68, -1, 37, 82, -1, 81, -1, 21, 5, -33, -23, -13, -7, -3, -1, 52, 67, -1, 80, 36, -3, -1, 66, 51, 20, -5, -1, 65, -1, 4, 64, -1, 35, 50, -3, -1, 19, 49, -3, -1, 3, 48, 34, -3, -1, 18, 33, -1, 2, 32, -3, -1, 17, 1, 16, 0 }; static int16_t tab24[] = { -451, -117, -43, -25, -15, -7, -3, -1, 239, 254, -1, 223, 253, -3, -1, 207, 252, -1, 191, 251, -5, -1, 250, -1, 175, 159, -1, 249, 248, -9, -5, -3, -1, 143, 127, 247, -1, 111, 246, -3, -1, 95, 245, -1, 79, 244, -71, -7, -3, -1, 63, 243, -1, 47, 242, -5, -1, 241, -1, 31, 240, -25, -9, -1, 15, -3, -1, 238, 222, -1, 237, 206, -7, -3, -1, 236, 221, -1, 190, 235, -3, -1, 205, 220, -1, 174, 234, -15, -7, -3, -1, 189, 219, -1, 204, 158, -3, -1, 233, 173, -1, 218, 188, -7, -3, -1, 203, 142, -1, 232, 157, -3, -1, 217, 126, -1, 231, 172, 255, -235, -143, -77, -45, -25, -15, -7, -3, -1, 202, 187, -1, 141, 216, -5, -3, -1, 14, 224, 13, 230, -5, -3, -1, 110, 156, 201, -1, 94, 186, -9, -5, -1, 229, -1, 171, 125, -1, 215, 228, -3, -1, 140, 200, -3, -1, 78, 46, 62, -15, -7, -3, -1, 109, 214, -1, 227, 155, -3, -1, 185, 170, -1, 226, 30, -7, -3, -1, 225, 93, -1, 213, 124, -3, -1, 199, 77, -1, 139, 184, -31, -15, -7, -3, -1, 212, 154, -1, 169, 108, -3, -1, 198, 61, -1, 211, 45, -7, -3, -1, 210, 29, -1, 123, 183, -3, -1, 209, 92, -1, 197, 138, -17, -7, -3, -1, 168, 153, -1, 76, 196, -3, -1, 107, 182, -3, -1, 208, 12, 60, -7, -3, -1, 195, 122, -1, 167, 44, -3, -1, 194, 91, -1, 181, 28, -57, -35, -19, -7, -3, -1, 137, 152, -1, 193, 75, -5, -3, -1, 192, 11, 59, -3, -1, 176, 10, 26, -5, -1, 180, -1, 106, 166, -3, -1, 121, 151, -3, -1, 160, 9, 144, -9, -3, -1, 179, 136, -3, -1, 43, 90, 178, -7, -3, -1, 165, 27, -1, 177, 105, -1, 150, 164, -17, -9, -5, -3, -1, 74, 120, 135, -1, 58, 163, -3, -1, 89, 149, -1, 42, 162, -7, -3, -1, 161, 104, -1, 134, 119, -3, -1, 73, 148, -1, 57, 147, -63, -31, -15, -7, -3, -1, 88, 133, -1, 41, 103, -3, -1, 118, 146, -1, 25, 145, -7, -3, -1, 72, 132, -1, 87, 117, -3, -1, 56, 131, -1, 102, 40, -17, -7, -3, -1, 130, 24, -1, 71, 116, -5, -1, 129, -1, 8, 128, -1, 86, 101, -7, -5, -1, 23, -1, 7, 112, 115, -3, -1, 55, 39, 114, -15, -7, -3, -1, 70, 100, -1, 85, 113, -3, -1, 54, 99, -1, 69, 84, -7, -3, -1, 38, 98, -1, 22, 97, -5, -3, -1, 6, 96, 53, -1, 83, 68, -51, -37, -23, -15, -9, -3, -1, 37, 82, -1, 21, -1, 5, 80, -1, 81, -1, 52, 67, -3, -1, 36, 66, -1, 51, 20, -9, -5, -1, 65, -1, 4, 64, -1, 35, 50, -1, 19, 49, -7, -5, -3, -1, 3, 48, 34, 18, -1, 33, -1, 2, 32, -3, -1, 17, 1, -1, 16, 0 }; static int16_t tab_c0[] = { -29, -21, -13, -7, -3, -1, 11, 15, -1, 13, 14, -3, -1, 7, 5, 9, -3, -1, 6, 3, -1, 10, 12, -3, -1, 2, 1, -1, 4, 8, 0 }; static int16_t tab_c1[] = { -15, -7, -3, -1, 15, 14, -1, 13, 12, -3, -1, 11, 10, -1, 9, 8, -7, -3, -1, 7, 6, -1, 5, 4, -3, -1, 3, 2, -1, 1, 0 }; newhuff_t hufft[] = { { 0, tab0 }, { 0, tab1 }, { 0, tab2 }, { 0, tab3 }, { 0, tab0 }, { 0, tab5 }, { 0, tab6 }, { 0, tab7 }, { 0, tab8 }, { 0, tab9 }, { 0, tab10 }, { 0, tab11 }, { 0, tab12 }, { 0, tab13 }, { 0, tab0 }, { 0, tab15 }, { 1, tab16 }, { 2, tab16 }, { 3, tab16 }, { 4, tab16 }, { 6, tab16 }, { 8, tab16 }, { 10, tab16 }, { 13, tab16 }, { 4, tab24 }, { 5, tab24 }, { 6, tab24 }, { 7, tab24 }, { 8, tab24 }, { 9, tab24 }, { 11, tab24 }, { 13, tab24 } }; newhuff_t hufftc[] = { { 0, tab_c0 }, { 0, tab_c1 } }; static int32_t intwinbase[] = { 0, -1, -1, -1, -1, -1, -1, -2, -2, -2, -2, -3, -3, -4, -4, -5, -5, -6, -7, -7, -8, -9, -10, -11, -13, -14, -16, -17, -19, -21, -24, -26, -29, -31, -35, -38, -41, -45, -49, -53, -58, -63, -68, -73, -79, -85, -91, -97, -104, -111, -117, -125, -132, -139, -147, -154, -161, -169, -176, -183, -190, -196, -202, -208, -213, -218, -222, -225, -227, -228, -228, -227, -224, -221, -215, -208, -200, -189, -177, -163, -146, -127, -106, -83, -57, -29, 2, 36, 72, 111, 153, 197, 244, 294, 347, 401, 459, 519, 581, 645, 711, 779, 848, 919, 991, 1064, 1137, 1210, 1283, 1356, 1428, 1498, 1567, 1634, 1698, 1759, 1817, 1870, 1919, 1962, 2001, 2032, 2057, 2075, 2085, 2087, 2080, 2063, 2037, 2000, 1952, 1893, 1822, 1739, 1644, 1535, 1414, 1280, 1131, 970, 794, 605, 402, 185, -45, -288, -545, -814, -1095, -1388, -1692, -2006, -2330, -2663, -3004, -3351, -3705, -4063, -4425, -4788, -5153, -5517, -5879, -6237, -6589, -6935, -7271, -7597, -7910, -8209, -8491, -8755, -8998, -9219, -9416, -9585, -9727, -9838, -9916, -9959, -9966, -9935, -9863, -9750, -9592, -9389, -9139, -8840, -8492, -8092, -7640, -7134, -6574, -5959, -5288, -4561, -3776, -2935, -2037, -1082, -70, 998, 2122, 3300, 4533, 5818, 7154, 8540, 9975, 11455, 12980, 14548, 16155, 17799, 19478, 21189, 22929, 24694, 26482, 28289, 30112, 31947, 33791, 35640, 37489, 39336, 41176, 43006, 44821, 46617, 48390, 50137, 51853, 53534, 55178, 56778, 58333, 59838, 61289, 62684, 64019, 65290, 66494, 67629, 68692, 69679, 70590, 71420, 72169, 72835, 73415, 73908, 74313, 74630, 74856, 74992, 75038 }; static void make_synth_window(mpadec_t mpadec, FLOAT scale) { register struct mpadec_t *mpa = (struct mpadec_t *)mpadec; register int i, j, k; scale = -scale; for (i = 0, j = 0, k = 0; i < 256; i++, j++, k += 32) { if (k < (512 + 16)) mpa->tables.decwin[k] = mpa->tables.decwin[k + 16] = ((FLOAT)intwinbase[j]/65536.0)*scale; if ((i & 31) == 31) k -= 1023; if ((i & 63) == 63) scale = -scale; } for (; i < 512; i++, j--, k += 32) { if (k < (512 + 16)) mpa->tables.decwin[k] = mpa->tables.decwin[k + 16] = ((FLOAT)intwinbase[j]/65536.0)*scale; if ((i & 31) == 31) k -= 1023; if ((i & 63) == 63) scale = -scale; } } static void init_limits(mpadec_t mpadec, int32_t sblimit) { register struct mpadec_t *mpa = (struct mpadec_t *)mpadec; register int i, j; for (i = 0; i < 9; i++) { for (j = 0; j < 23; j++) { mpa->tables.long_limit[i][j] = (band_info[i].long_idx[j] + 7)/SSLIMIT + 1; if (mpa->tables.long_limit[i][j] > sblimit) mpa->tables.long_limit[i][j] = sblimit; } for (j = 0; j < 14; j++) { mpa->tables.short_limit[i][j] = (band_info[i].short_idx[j] - 1)/SSLIMIT + 1; if (mpa->tables.short_limit[i][j] > sblimit) mpa->tables.short_limit[i][j] = sblimit; } } } static void init_layer2(mpadec_t mpadec) { register struct mpadec_t *mpa = (struct mpadec_t *)mpadec; int i, j, k; uint8_t *tab; static FLOAT mulmul[27] = { 0.0, -2.0/3.0, 2.0/3.0, 2.0/7.0, 2.0/15.0, 2.0/31.0, 2.0/63.0, 2.0/127.0, 2.0/255.0, 2.0/511.0, 2.0/1023.0, 2.0/2047.0, 2.0/4095.0, 2.0/8191.0, 2.0/16383.0, 2.0/32767.0, 2.0/65535.0, -4.0/5.0, -2.0/5.0, 2.0/5.0, 4.0/5.0, -8.0/9.0, -4.0/9.0, -2.0/9.0, 2.0/9.0, 4.0/9.0, 8.0/9.0 }; static uint8_t base[3][9] = { { 1, 0, 2, }, { 17, 18, 0, 19, 20, }, { 21, 1, 22, 23, 0, 24, 25, 2, 26 } }; tab = mpa->tables.grp3tab; for (i = 0; i < 3; i++) for (j = 0; j < 3; j++) for (k = 0; k < 3; k++, tab += 3) { tab[0] = base[0][k]; tab[1] = base[0][j]; tab[2] = base[0][i]; } tab = mpa->tables.grp5tab; for (i = 0; i < 5; i++) for (j = 0; j < 5; j++) for (k = 0; k < 5; k++, tab += 3) { tab[0] = base[1][k]; tab[1] = base[1][j]; tab[2] = base[1][i]; } tab = mpa->tables.grp9tab; for (i = 0; i < 9; i++) for (j = 0; j < 9; j++) for (k = 0; k < 9; k++, tab += 3) { tab[0] = base[2][k]; tab[1] = base[2][j]; tab[2] = base[2][i]; } mpa->tables.mp2tables[0] = mpa->tables.mp2tables[1] = mpa->tables.mp2tables[2] = NULL; mpa->tables.mp2tables[3] = mpa->tables.grp3tab; mpa->tables.mp2tables[4] = NULL; mpa->tables.mp2tables[5] = mpa->tables.grp5tab; mpa->tables.mp2tables[6] = mpa->tables.mp2tables[7] = mpa->tables.mp2tables[8] = NULL; mpa->tables.mp2tables[9] = mpa->tables.grp9tab; for (i = 0; i < 27; i++) { for (j = 0, k = 3; j < 63; j++, k--) mpa->tables.muls[i][j] = mulmul[i]*pow(2.0, (FLOAT)k/3.0); mpa->tables.muls[i][63] = 0.0; } } static void init_layer3(mpadec_t mpadec) { register struct mpadec_t *mpa = (struct mpadec_t *)mpadec; int i, j, k, l; for (i = -256; i < 122; i++) mpa->tables.gainpow2[i + 256] = pow(2.0, -0.25*(i + 210)); for (i = 0; i < 8207; i++) mpa->tables.ispow[i] = pow(i, 4.0/3.0); for (i = 0; i < 18; i++) { mpa->tables.win[0][0][i] = mpa->tables.win[0][1][i] = 0.5*sin((2*i + 1)*M_PI/72.0)/cos((2*i + 19)*M_PI/72.0); mpa->tables.win[0][0][i + 18] = mpa->tables.win[0][3][i + 18] = 0.5*sin((2*(i + 18) + 1)*M_PI/72.0)/cos((2*(i + 18) + 19)*M_PI/72.0); } for (i = 0; i < 6; i++) { mpa->tables.win[0][1][i + 18] = 0.5/cos((2*(i + 18) + 19)*M_PI/72.0); mpa->tables.win[0][3][i + 12] = 0.5/cos((2*(i + 12) + 19)*M_PI/72.0); mpa->tables.win[0][1][i + 24] = 0.5*sin((2*i + 13)*M_PI/24.0)/cos((2*(i + 24) + 19)*M_PI/72.0); mpa->tables.win[0][1][i + 30] = mpa->tables.win[0][3][i] = 0.0; mpa->tables.win[0][3][i + 6] = 0.5*sin((2*i + 1)*M_PI/24.0)/cos((2*(i + 6) + 19)*M_PI/72.0); } for (i = 0; i < 12; i++) { mpa->tables.win[0][2][i] = 0.5*sin((2*i + 1)*M_PI/24.0)/cos((2*i + 7)*M_PI/24.0); } for (i = 0; i < 4; i++) { int len = (i == 2) ? 12 : 36; for (j = 0; j < len; j += 2) { mpa->tables.win[1][i][j] = mpa->tables.win[0][i][j]; mpa->tables.win[1][i][j + 1] = -mpa->tables.win[0][i][j + 1]; } } for (i = 0; i < 16; i++) { FLOAT tmp = tan(i*M_PI/12.0); mpa->tables.tan1_1[i] = tmp/(1.0 + tmp); mpa->tables.tan2_1[i] = 1.0/(1.0 + tmp); mpa->tables.tan1_2[i] = M_SQRT2*tmp/(1.0 + tmp); mpa->tables.tan2_2[i] = M_SQRT2/(1.0 + tmp); for (j = 0; j < 2; j++) { FLOAT base = pow(2.0, -0.25*(j + 1)); FLOAT p1 = 1.0, p2 = 1.0; if (i > 0) { if (i & 1) p1 = pow(base, 0.5*(i + 1)); else p2 = pow(base, 0.5*i); } mpa->tables.pow1_1[j][i] = p1; mpa->tables.pow2_1[j][i] = p2; mpa->tables.pow1_2[j][i] = M_SQRT2*p1; mpa->tables.pow2_2[j][i] = M_SQRT2*p2; } } mpa->tables.istabs[0][0][0] = mpa->tables.tan1_1; mpa->tables.istabs[0][0][1] = mpa->tables.tan2_1; mpa->tables.istabs[0][1][0] = mpa->tables.tan1_2; mpa->tables.istabs[0][1][1] = mpa->tables.tan2_2; mpa->tables.istabs[1][0][0] = mpa->tables.pow1_1[0]; mpa->tables.istabs[1][0][1] = mpa->tables.pow2_1[0]; mpa->tables.istabs[1][1][0] = mpa->tables.pow1_2[0]; mpa->tables.istabs[1][1][1] = mpa->tables.pow2_2[0]; mpa->tables.istabs[2][0][0] = mpa->tables.pow1_1[1]; mpa->tables.istabs[2][0][1] = mpa->tables.pow2_1[1]; mpa->tables.istabs[2][1][0] = mpa->tables.pow1_2[1]; mpa->tables.istabs[2][1][1] = mpa->tables.pow2_2[1]; for (i = 0; i < 9; i++) { bandinfo_t *bi = &band_info[i]; int32_t *mp, cb, lwin; int16_t *bdf; mp = mpa->tables.map[i][0] = mpa->tables.mapbuf0[i]; bdf = bi->long_diff; for (cb = 0, j = 0; cb < 8; cb++, j += *bdf++, mp += 4) { mp[0] = (*bdf) >> 1; mp[1] = j; mp[2] = 3; mp[3] = cb; } bdf = bi->short_diff + 3; for (cb = 3; cb < 13; cb++) { int l = (*bdf++) >> 1; for (lwin = 0; lwin < 3; lwin++, mp += 4) { mp[0] = l; mp[1] = j + lwin; mp[2] = lwin; mp[3] = cb; } j += 6*l; } mpa->tables.mapend[i][0] = mp; mp = mpa->tables.map[i][1] = mpa->tables.mapbuf1[i]; bdf = bi->short_diff; for (cb = 0, j = 0; cb < 13; cb++) { int l = (*bdf++) >> 1; for (lwin = 0; lwin < 3; lwin++, mp += 4) { mp[0] = l; mp[1] = j + lwin; mp[2] = lwin; mp[3] = cb; } j += 6*l; } mpa->tables.mapend[i][1] = mp; mp = mpa->tables.map[i][2] = mpa->tables.mapbuf2[i]; bdf = bi->long_diff; for (cb = 0; cb < 22; cb++, mp += 2) { mp[0] = (*bdf++) >> 1; mp[1] = cb; } mpa->tables.mapend[i][2] = mp; } for (i = 0; i < 5; i++) { for (j = 0; j < 6; j++) { for (k = 0; k < 6; k++) { register int n = k + 6*j + 36*i; mpa->tables.i_slen2[n] = i | (j << 3) | (k << 6) | (3 << 12); } } } for (i = 0; i < 4; i++) { for (j = 0; j < 4; j++) { for (k = 0; k < 4; k++) { register int n = k + 4*j + 16*i; mpa->tables.i_slen2[n + 180] = i | (j << 3) | (k << 6) | (4 << 12); } } } for (i = 0; i < 4; i++) { for (j = 0; j < 3; j++) { register int n = j + 3*i; mpa->tables.i_slen2[n + 244] = i | (j << 3) | (5 << 12); mpa->tables.n_slen2[n + 500] = i | (j << 3) | (2 << 12) | (1 << 15); } } for (i = 0; i < 5; i++) { for (j = 0; j < 5; j++) { for (k = 0; k < 4; k++) { for (l = 0; l < 4; l++) { register int n = l + 4*k + 16*j + 80*i; mpa->tables.n_slen2[n] = i | (j << 3) | (k << 6) | (l << 9); } } } } for (i = 0; i < 5; i++) { for (j = 0; j < 5; j++) { for (k = 0; k < 4; k++) { register int n = k + 4*j + 20*i; mpa->tables.n_slen2[n + 400] = i | (j << 3) | (k << 6) | (1 << 12); } } } } void init_tables(mpadec_t mpadec, FLOAT scale, int32_t sblimit) { register struct mpadec_t *mpa = (struct mpadec_t *)mpadec; if (mpa->state < MPADEC_STATE_START) { init_layer2(mpa); init_layer3(mpa); } init_limits(mpa, sblimit); make_synth_window(mpa, scale); }