1/* 2 * libmad - MPEG audio decoder library 3 * Copyright (C) 2000-2004 Underbit Technologies, Inc. 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 18 * 19 * $Id: qc_table.dat,v 1.7 2004/01/23 09:41:32 rob Exp $ 20 */ 21 22/* 23 * These are the Layer II classes of quantization. 24 * The table is derived from Table B.4 of ISO/IEC 11172-3. 25 */ 26 27 { 3, 2, 5, 28 MAD_F(0x15555555) /* 1.33333333333 => 1.33333333209, e 0.00000000124 */, 29 MAD_F(0x08000000) /* 0.50000000000 => 0.50000000000, e 0.00000000000 */ }, 30 { 5, 3, 7, 31 MAD_F(0x1999999a) /* 1.60000000000 => 1.60000000149, e -0.00000000149 */, 32 MAD_F(0x08000000) /* 0.50000000000 => 0.50000000000, e 0.00000000000 */ }, 33 { 7, 0, 3, 34 MAD_F(0x12492492) /* 1.14285714286 => 1.14285714179, e 0.00000000107 */, 35 MAD_F(0x04000000) /* 0.25000000000 => 0.25000000000, e 0.00000000000 */ }, 36 { 9, 4, 10, 37 MAD_F(0x1c71c71c) /* 1.77777777777 => 1.77777777612, e 0.00000000165 */, 38 MAD_F(0x08000000) /* 0.50000000000 => 0.50000000000, e 0.00000000000 */ }, 39 { 15, 0, 4, 40 MAD_F(0x11111111) /* 1.06666666666 => 1.06666666642, e 0.00000000024 */, 41 MAD_F(0x02000000) /* 0.12500000000 => 0.12500000000, e 0.00000000000 */ }, 42 { 31, 0, 5, 43 MAD_F(0x10842108) /* 1.03225806452 => 1.03225806355, e 0.00000000097 */, 44 MAD_F(0x01000000) /* 0.06250000000 => 0.06250000000, e 0.00000000000 */ }, 45 { 63, 0, 6, 46 MAD_F(0x10410410) /* 1.01587301587 => 1.01587301493, e 0.00000000094 */, 47 MAD_F(0x00800000) /* 0.03125000000 => 0.03125000000, e 0.00000000000 */ }, 48 { 127, 0, 7, 49 MAD_F(0x10204081) /* 1.00787401575 => 1.00787401572, e 0.00000000003 */, 50 MAD_F(0x00400000) /* 0.01562500000 => 0.01562500000, e 0.00000000000 */ }, 51 { 255, 0, 8, 52 MAD_F(0x10101010) /* 1.00392156863 => 1.00392156839, e 0.00000000024 */, 53 MAD_F(0x00200000) /* 0.00781250000 => 0.00781250000, e 0.00000000000 */ }, 54 { 511, 0, 9, 55 MAD_F(0x10080402) /* 1.00195694716 => 1.00195694715, e 0.00000000001 */, 56 MAD_F(0x00100000) /* 0.00390625000 => 0.00390625000, e 0.00000000000 */ }, 57 { 1023, 0, 10, 58 MAD_F(0x10040100) /* 1.00097751711 => 1.00097751617, e 0.00000000094 */, 59 MAD_F(0x00080000) /* 0.00195312500 => 0.00195312500, e 0.00000000000 */ }, 60 { 2047, 0, 11, 61 MAD_F(0x10020040) /* 1.00048851979 => 1.00048851967, e 0.00000000012 */, 62 MAD_F(0x00040000) /* 0.00097656250 => 0.00097656250, e 0.00000000000 */ }, 63 { 4095, 0, 12, 64 MAD_F(0x10010010) /* 1.00024420024 => 1.00024420023, e 0.00000000001 */, 65 MAD_F(0x00020000) /* 0.00048828125 => 0.00048828125, e 0.00000000000 */ }, 66 { 8191, 0, 13, 67 MAD_F(0x10008004) /* 1.00012208522 => 1.00012208521, e 0.00000000001 */, 68 MAD_F(0x00010000) /* 0.00024414063 => 0.00024414062, e 0.00000000000 */ }, 69 { 16383, 0, 14, 70 MAD_F(0x10004001) /* 1.00006103888 => 1.00006103888, e -0.00000000000 */, 71 MAD_F(0x00008000) /* 0.00012207031 => 0.00012207031, e -0.00000000000 */ }, 72 { 32767, 0, 15, 73 MAD_F(0x10002000) /* 1.00003051851 => 1.00003051758, e 0.00000000093 */, 74 MAD_F(0x00004000) /* 0.00006103516 => 0.00006103516, e 0.00000000000 */ }, 75 { 65535, 0, 16, 76 MAD_F(0x10001000) /* 1.00001525902 => 1.00001525879, e 0.00000000023 */, 77 MAD_F(0x00002000) /* 0.00003051758 => 0.00003051758, e 0.00000000000 */ } 78