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Replace these with versions built using an older toolset (so as to avoid ABI compatibilities when linking on Ubuntu 14.04 for packaging purposes)
author Chris Cannam
date Fri, 07 Feb 2020 11:51:13 +0000
parents c7265573341e
children
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/*
 * libmad - MPEG audio decoder library
 * Copyright (C) 2000-2004 Underbit Technologies, Inc.
 *
 * This program 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.
 *
 * This program 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
 *
 * $Id: sf_table.dat,v 1.7 2004/01/23 09:41:33 rob Exp $
 */

/*
 * These are the scalefactor values for Layer I and Layer II.
 * The values are from Table B.1 of ISO/IEC 11172-3.
 *
 * There is some error introduced by the 32-bit fixed-point representation;
 * the amount of error is shown. For 16-bit PCM output, this shouldn't be
 * too much of a problem.
 *
 * Strictly speaking, Table B.1 has only 63 entries (0-62), thus a strict
 * interpretation of ISO/IEC 11172-3 would suggest that a scalefactor index of
 * 63 is invalid. However, for better compatibility with current practices, we
 * add a 64th entry.
 */

  MAD_F(0x20000000),  /* 2.000000000000 => 2.000000000000, e  0.000000000000 */
  MAD_F(0x1965fea5),  /* 1.587401051968 => 1.587401051074, e  0.000000000894 */
  MAD_F(0x1428a2fa),  /* 1.259921049895 => 1.259921051562, e -0.000000001667 */
  MAD_F(0x10000000),  /* 1.000000000000 => 1.000000000000, e  0.000000000000 */
  MAD_F(0x0cb2ff53),  /* 0.793700525984 => 0.793700527400, e -0.000000001416 */
  MAD_F(0x0a14517d),  /* 0.629960524947 => 0.629960525781, e -0.000000000833 */
  MAD_F(0x08000000),  /* 0.500000000000 => 0.500000000000, e  0.000000000000 */
  MAD_F(0x06597fa9),  /* 0.396850262992 => 0.396850261837, e  0.000000001155 */

  MAD_F(0x050a28be),  /* 0.314980262474 => 0.314980261028, e  0.000000001446 */
  MAD_F(0x04000000),  /* 0.250000000000 => 0.250000000000, e  0.000000000000 */
  MAD_F(0x032cbfd5),  /* 0.198425131496 => 0.198425132781, e -0.000000001285 */
  MAD_F(0x0285145f),  /* 0.157490131237 => 0.157490130514, e  0.000000000723 */
  MAD_F(0x02000000),  /* 0.125000000000 => 0.125000000000, e  0.000000000000 */
  MAD_F(0x01965fea),  /* 0.099212565748 => 0.099212564528, e  0.000000001220 */
  MAD_F(0x01428a30),  /* 0.078745065618 => 0.078745067120, e -0.000000001501 */
  MAD_F(0x01000000),  /* 0.062500000000 => 0.062500000000, e  0.000000000000 */

  MAD_F(0x00cb2ff5),  /* 0.049606282874 => 0.049606282264, e  0.000000000610 */
  MAD_F(0x00a14518),  /* 0.039372532809 => 0.039372533560, e -0.000000000751 */
  MAD_F(0x00800000),  /* 0.031250000000 => 0.031250000000, e  0.000000000000 */
  MAD_F(0x006597fb),  /* 0.024803141437 => 0.024803142995, e -0.000000001558 */
  MAD_F(0x0050a28c),  /* 0.019686266405 => 0.019686266780, e -0.000000000375 */
  MAD_F(0x00400000),  /* 0.015625000000 => 0.015625000000, e  0.000000000000 */
  MAD_F(0x0032cbfd),  /* 0.012401570719 => 0.012401569635, e  0.000000001084 */
  MAD_F(0x00285146),  /* 0.009843133202 => 0.009843133390, e -0.000000000188 */

  MAD_F(0x00200000),  /* 0.007812500000 => 0.007812500000, e  0.000000000000 */
  MAD_F(0x001965ff),  /* 0.006200785359 => 0.006200786680, e -0.000000001321 */
  MAD_F(0x001428a3),  /* 0.004921566601 => 0.004921566695, e -0.000000000094 */
  MAD_F(0x00100000),  /* 0.003906250000 => 0.003906250000, e  0.000000000000 */
  MAD_F(0x000cb2ff),  /* 0.003100392680 => 0.003100391477, e  0.000000001202 */
  MAD_F(0x000a1451),  /* 0.002460783301 => 0.002460781485, e  0.000000001816 */
  MAD_F(0x00080000),  /* 0.001953125000 => 0.001953125000, e  0.000000000000 */
  MAD_F(0x00065980),  /* 0.001550196340 => 0.001550197601, e -0.000000001262 */

  MAD_F(0x00050a29),  /* 0.001230391650 => 0.001230392605, e -0.000000000955 */
  MAD_F(0x00040000),  /* 0.000976562500 => 0.000976562500, e  0.000000000000 */
  MAD_F(0x00032cc0),  /* 0.000775098170 => 0.000775098801, e -0.000000000631 */
  MAD_F(0x00028514),  /* 0.000615195825 => 0.000615194440, e  0.000000001385 */
  MAD_F(0x00020000),  /* 0.000488281250 => 0.000488281250, e  0.000000000000 */
  MAD_F(0x00019660),  /* 0.000387549085 => 0.000387549400, e -0.000000000315 */
  MAD_F(0x0001428a),  /* 0.000307597913 => 0.000307597220, e  0.000000000693 */
  MAD_F(0x00010000),  /* 0.000244140625 => 0.000244140625, e  0.000000000000 */

  MAD_F(0x0000cb30),  /* 0.000193774542 => 0.000193774700, e -0.000000000158 */
  MAD_F(0x0000a145),  /* 0.000153798956 => 0.000153798610, e  0.000000000346 */
  MAD_F(0x00008000),  /* 0.000122070313 => 0.000122070313, e  0.000000000000 */
  MAD_F(0x00006598),  /* 0.000096887271 => 0.000096887350, e -0.000000000079 */
  MAD_F(0x000050a3),  /* 0.000076899478 => 0.000076901168, e -0.000000001689 */
  MAD_F(0x00004000),  /* 0.000061035156 => 0.000061035156, e  0.000000000000 */
  MAD_F(0x000032cc),  /* 0.000048443636 => 0.000048443675, e -0.000000000039 */
  MAD_F(0x00002851),  /* 0.000038449739 => 0.000038448721, e  0.000000001018 */

  MAD_F(0x00002000),  /* 0.000030517578 => 0.000030517578, e  0.000000000000 */
  MAD_F(0x00001966),  /* 0.000024221818 => 0.000024221838, e -0.000000000020 */
  MAD_F(0x00001429),  /* 0.000019224870 => 0.000019226223, e -0.000000001354 */
  MAD_F(0x00001000),  /* 0.000015258789 => 0.000015258789, e -0.000000000000 */
  MAD_F(0x00000cb3),  /* 0.000012110909 => 0.000012110919, e -0.000000000010 */
  MAD_F(0x00000a14),  /* 0.000009612435 => 0.000009611249, e  0.000000001186 */
  MAD_F(0x00000800),  /* 0.000007629395 => 0.000007629395, e -0.000000000000 */
  MAD_F(0x00000659),  /* 0.000006055454 => 0.000006053597, e  0.000000001858 */

  MAD_F(0x0000050a),  /* 0.000004806217 => 0.000004805624, e  0.000000000593 */
  MAD_F(0x00000400),  /* 0.000003814697 => 0.000003814697, e  0.000000000000 */
  MAD_F(0x0000032d),  /* 0.000003027727 => 0.000003028661, e -0.000000000934 */
  MAD_F(0x00000285),  /* 0.000002403109 => 0.000002402812, e  0.000000000296 */
  MAD_F(0x00000200),  /* 0.000001907349 => 0.000001907349, e -0.000000000000 */
  MAD_F(0x00000196),  /* 0.000001513864 => 0.000001512468, e  0.000000001396 */
  MAD_F(0x00000143),  /* 0.000001201554 => 0.000001203269, e -0.000000001714 */
  MAD_F(0x00000000)   /* this compatibility entry is not part of Table B.1 */