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Diffstat (limited to 'src/libmad/qc_table.dat')
| -rw-r--r-- | src/libmad/qc_table.dat | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/src/libmad/qc_table.dat b/src/libmad/qc_table.dat new file mode 100644 index 000000000..67a159b25 --- /dev/null +++ b/src/libmad/qc_table.dat @@ -0,0 +1,77 @@ +/* + * libmad - MPEG audio decoder library + * Copyright (C) 2000-2003 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: qc_table.dat,v 1.1 2003/08/14 03:57:13 shank Exp $ + */ + +/* + * These are the Layer II classes of quantization. + * The table is derived from Table B.4 of ISO/IEC 11172-3. + */ + + { 3, 2, 5, + MAD_F(0x15555555) /* 1.33333333333 => 1.33333333209, e 0.00000000124 */, + MAD_F(0x08000000) /* 0.50000000000 => 0.50000000000, e 0.00000000000 */ }, + { 5, 3, 7, + MAD_F(0x1999999a) /* 1.60000000000 => 1.60000000149, e -0.00000000149 */, + MAD_F(0x08000000) /* 0.50000000000 => 0.50000000000, e 0.00000000000 */ }, + { 7, 0, 3, + MAD_F(0x12492492) /* 1.14285714286 => 1.14285714179, e 0.00000000107 */, + MAD_F(0x04000000) /* 0.25000000000 => 0.25000000000, e 0.00000000000 */ }, + { 9, 4, 10, + MAD_F(0x1c71c71c) /* 1.77777777777 => 1.77777777612, e 0.00000000165 */, + MAD_F(0x08000000) /* 0.50000000000 => 0.50000000000, e 0.00000000000 */ }, + { 15, 0, 4, + MAD_F(0x11111111) /* 1.06666666666 => 1.06666666642, e 0.00000000024 */, + MAD_F(0x02000000) /* 0.12500000000 => 0.12500000000, e 0.00000000000 */ }, + { 31, 0, 5, + MAD_F(0x10842108) /* 1.03225806452 => 1.03225806355, e 0.00000000097 */, + MAD_F(0x01000000) /* 0.06250000000 => 0.06250000000, e 0.00000000000 */ }, + { 63, 0, 6, + MAD_F(0x10410410) /* 1.01587301587 => 1.01587301493, e 0.00000000094 */, + MAD_F(0x00800000) /* 0.03125000000 => 0.03125000000, e 0.00000000000 */ }, + { 127, 0, 7, + MAD_F(0x10204081) /* 1.00787401575 => 1.00787401572, e 0.00000000003 */, + MAD_F(0x00400000) /* 0.01562500000 => 0.01562500000, e 0.00000000000 */ }, + { 255, 0, 8, + MAD_F(0x10101010) /* 1.00392156863 => 1.00392156839, e 0.00000000024 */, + MAD_F(0x00200000) /* 0.00781250000 => 0.00781250000, e 0.00000000000 */ }, + { 511, 0, 9, + MAD_F(0x10080402) /* 1.00195694716 => 1.00195694715, e 0.00000000001 */, + MAD_F(0x00100000) /* 0.00390625000 => 0.00390625000, e 0.00000000000 */ }, + { 1023, 0, 10, + MAD_F(0x10040100) /* 1.00097751711 => 1.00097751617, e 0.00000000094 */, + MAD_F(0x00080000) /* 0.00195312500 => 0.00195312500, e 0.00000000000 */ }, + { 2047, 0, 11, + MAD_F(0x10020040) /* 1.00048851979 => 1.00048851967, e 0.00000000012 */, + MAD_F(0x00040000) /* 0.00097656250 => 0.00097656250, e 0.00000000000 */ }, + { 4095, 0, 12, + MAD_F(0x10010010) /* 1.00024420024 => 1.00024420023, e 0.00000000001 */, + MAD_F(0x00020000) /* 0.00048828125 => 0.00048828125, e 0.00000000000 */ }, + { 8191, 0, 13, + MAD_F(0x10008004) /* 1.00012208522 => 1.00012208521, e 0.00000000001 */, + MAD_F(0x00010000) /* 0.00024414063 => 0.00024414062, e 0.00000000000 */ }, + { 16383, 0, 14, + MAD_F(0x10004001) /* 1.00006103888 => 1.00006103888, e -0.00000000000 */, + MAD_F(0x00008000) /* 0.00012207031 => 0.00012207031, e -0.00000000000 */ }, + { 32767, 0, 15, + MAD_F(0x10002000) /* 1.00003051851 => 1.00003051758, e 0.00000000093 */, + MAD_F(0x00004000) /* 0.00006103516 => 0.00006103516, e 0.00000000000 */ }, + { 65535, 0, 16, + MAD_F(0x10001000) /* 1.00001525902 => 1.00001525879, e 0.00000000023 */, + MAD_F(0x00002000) /* 0.00003051758 => 0.00003051758, e 0.00000000000 */ } |