tables_quantization.h
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- /*
- * quantization.h
- * Copyright (C) 2004 Gildas Bazin <gbazin@videolan.org>
- *
- * This file is part of dtsdec, a free DTS Coherent Acoustics stream decoder.
- * See http://www.videolan.org/dtsdec.html for updates.
- *
- * dtsdec is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * dtsdec 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
- int scale_factor_quant6[] =
- {
- 1, 2, 2, 3, 3, 4, 6, 7,
- 10, 12, 16, 20, 26, 34, 44, 56,
- 72, 93, 120, 155, 200, 257, 331, 427,
- 550, 708, 912, 1175, 1514, 1950, 2512, 3236,
- 4169, 5370, 6918, 8913, 11482, 14791, 19055, 24547,
- 31623, 40738, 52481, 67608, 87096, 112202, 144544, 186209,
- 239883, 309030, 398107, 512861, 660693, 851138, 1096478, 1412538,
- 1819701, 2344229, 3019952, 3890451, 5011872, 6456542, 8317638, 0
- };
- int scale_factor_quant7[] =
- {
- 1, 1, 2, 2, 2, 2, 3, 3,
- 3, 4, 4, 5, 6, 7, 7, 8,
- 10, 11, 12, 14, 16, 18, 20, 23,
- 26, 30, 34, 38, 44, 50, 56, 64,
- 72, 82, 93, 106, 120, 136, 155, 176,
- 200, 226, 257, 292, 331, 376, 427, 484,
- 550, 624, 708, 804, 912, 1035, 1175, 1334,
- 1514, 1718, 1950, 2213, 2512, 2851, 3236, 3673,
- 4169, 4732, 5370, 6095, 6918, 7852, 8913, 10116,
- 11482, 13032, 14791, 16788, 19055, 21627, 24547, 27861,
- 31623, 35892, 40738, 46238, 52481, 59566, 67608, 76736,
- 87096, 98855, 112202, 127350, 144544, 164059, 186209, 211349,
- 239883, 272270, 309030, 350752, 398107, 451856, 512861, 582103,
- 660693, 749894, 851138, 966051, 1096478, 1244515, 1412538, 1603245,
- 1819701, 2065380, 2344229, 2660725, 3019952, 3427678, 3890451, 4415704,
- 5011872, 5688529, 6456542, 7328245, 8317638, 0, 0, 0
- };
- int lossy_quant[] =
- {
- 0, 6710886, 4194304, 3355443, 2474639, 2097152, 1761608, 1426063,
- 796918, 461373, 251658, 146801, 79692, 46137, 27263, 16777,
- 10486, 5872, 3355, 1887, 1258, 713, 336, 168,
- 84, 42, 21, 0, 0, 0, 0, 0
- };
- double lossy_quant_d[] =
- {
- 0, 1.6, 1.0, 0.8, 0.59, 0.50, 0.42, 0.34,
- 0.19, 0.11, 0.06, 0.035, 0.019, 0.011, 0.0065, 0.0040,
- 0.0025, 0.0014, 0.0008, 0.00045, 0.00030, 0.00017, 0.00008, 0.00004,
- 0.00002, 0.00001, 0.000005, 0, 0, 0, 0, 0
- };
- int lossless_quant[] =
- {
- 0, 4194304, 2097152, 1384120, 1048576, 696254, 524288, 348127,
- 262144, 131072, 65431, 33026, 16450, 8208, 4100, 2049,
- 1024, 512, 256, 128, 64, 32, 16, 8,
- 4, 2, 1, 0, 0, 0, 0, 0
- };
- double lossless_quant_d[] =
- {
- 0, 1.0, 0.5, 0.33, 0.25, 0.166, 0.125,
- 0.083, 0.0625, 0.03125, 0.0156, 7.874E-3, 3.922E-3, 1.957E-3,
- 9.775E-4, 4.885E-4, 2.442E-4, 1.221E-4, 6.104E-5, 3.052E-5, 1.526E-5,
- 7.629E-6, 3.815E-6, 1.907E-6, 9.537E-7, 4.768E-7, 2.384E-7, 0,
- 0, 0, 0, 0
- };