qc_table.dat 3.9 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677
  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. * These are the Layer II classes of quantization.
  23. * The table is derived from Table B.4 of ISO/IEC 11172-3.
  24. */
  25. { 3, 2, 5,
  26. MAD_F(0x15555555) /* 1.33333333333 => 1.33333333209, e 0.00000000124 */,
  27. MAD_F(0x08000000) /* 0.50000000000 => 0.50000000000, e 0.00000000000 */ },
  28. { 5, 3, 7,
  29. MAD_F(0x1999999a) /* 1.60000000000 => 1.60000000149, e -0.00000000149 */,
  30. MAD_F(0x08000000) /* 0.50000000000 => 0.50000000000, e 0.00000000000 */ },
  31. { 7, 0, 3,
  32. MAD_F(0x12492492) /* 1.14285714286 => 1.14285714179, e 0.00000000107 */,
  33. MAD_F(0x04000000) /* 0.25000000000 => 0.25000000000, e 0.00000000000 */ },
  34. { 9, 4, 10,
  35. MAD_F(0x1c71c71c) /* 1.77777777777 => 1.77777777612, e 0.00000000165 */,
  36. MAD_F(0x08000000) /* 0.50000000000 => 0.50000000000, e 0.00000000000 */ },
  37. { 15, 0, 4,
  38. MAD_F(0x11111111) /* 1.06666666666 => 1.06666666642, e 0.00000000024 */,
  39. MAD_F(0x02000000) /* 0.12500000000 => 0.12500000000, e 0.00000000000 */ },
  40. { 31, 0, 5,
  41. MAD_F(0x10842108) /* 1.03225806452 => 1.03225806355, e 0.00000000097 */,
  42. MAD_F(0x01000000) /* 0.06250000000 => 0.06250000000, e 0.00000000000 */ },
  43. { 63, 0, 6,
  44. MAD_F(0x10410410) /* 1.01587301587 => 1.01587301493, e 0.00000000094 */,
  45. MAD_F(0x00800000) /* 0.03125000000 => 0.03125000000, e 0.00000000000 */ },
  46. { 127, 0, 7,
  47. MAD_F(0x10204081) /* 1.00787401575 => 1.00787401572, e 0.00000000003 */,
  48. MAD_F(0x00400000) /* 0.01562500000 => 0.01562500000, e 0.00000000000 */ },
  49. { 255, 0, 8,
  50. MAD_F(0x10101010) /* 1.00392156863 => 1.00392156839, e 0.00000000024 */,
  51. MAD_F(0x00200000) /* 0.00781250000 => 0.00781250000, e 0.00000000000 */ },
  52. { 511, 0, 9,
  53. MAD_F(0x10080402) /* 1.00195694716 => 1.00195694715, e 0.00000000001 */,
  54. MAD_F(0x00100000) /* 0.00390625000 => 0.00390625000, e 0.00000000000 */ },
  55. { 1023, 0, 10,
  56. MAD_F(0x10040100) /* 1.00097751711 => 1.00097751617, e 0.00000000094 */,
  57. MAD_F(0x00080000) /* 0.00195312500 => 0.00195312500, e 0.00000000000 */ },
  58. { 2047, 0, 11,
  59. MAD_F(0x10020040) /* 1.00048851979 => 1.00048851967, e 0.00000000012 */,
  60. MAD_F(0x00040000) /* 0.00097656250 => 0.00097656250, e 0.00000000000 */ },
  61. { 4095, 0, 12,
  62. MAD_F(0x10010010) /* 1.00024420024 => 1.00024420023, e 0.00000000001 */,
  63. MAD_F(0x00020000) /* 0.00048828125 => 0.00048828125, e 0.00000000000 */ },
  64. { 8191, 0, 13,
  65. MAD_F(0x10008004) /* 1.00012208522 => 1.00012208521, e 0.00000000001 */,
  66. MAD_F(0x00010000) /* 0.00024414063 => 0.00024414062, e 0.00000000000 */ },
  67. { 16383, 0, 14,
  68. MAD_F(0x10004001) /* 1.00006103888 => 1.00006103888, e -0.00000000000 */,
  69. MAD_F(0x00008000) /* 0.00012207031 => 0.00012207031, e -0.00000000000 */ },
  70. { 32767, 0, 15,
  71. MAD_F(0x10002000) /* 1.00003051851 => 1.00003051758, e 0.00000000093 */,
  72. MAD_F(0x00004000) /* 0.00006103516 => 0.00006103516, e 0.00000000000 */ },
  73. { 65535, 0, 16,
  74. MAD_F(0x10001000) /* 1.00001525902 => 1.00001525879, e 0.00000000023 */,
  75. MAD_F(0x00002000) /* 0.00003051758 => 0.00003051758, e 0.00000000000 */ }