Diffstat (limited to 'core/multimedia/opieplayer/libmad/sf_table.dat') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | core/multimedia/opieplayer/libmad/sf_table.dat | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/core/multimedia/opieplayer/libmad/sf_table.dat b/core/multimedia/opieplayer/libmad/sf_table.dat index bc368af..de084d9 100644 --- a/core/multimedia/opieplayer/libmad/sf_table.dat +++ b/core/multimedia/opieplayer/libmad/sf_table.dat @@ -1,9 +1,9 @@ /* * libmad - MPEG audio decoder library - * Copyright (C) 2000-2001 Robert Leslie + * 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. * @@ -23,12 +23,17 @@ * 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 */ @@ -94,7 +99,8 @@ 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(0x00000143), /* 0.000001201554 => 0.000001203269, e -0.000000001714 */ + MAD_F(0x00000000) /* this compatibility entry is not part of Table B.1 */ |