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  1. /*
  2.  * WMA 9/3/PRO compatible decoder
  3.  * Copyright (c) 2007 Baptiste Coudurier, Benjamin Larsson, Ulion
  4.  * Copyright (c) 2008 - 2009 Sascha Sommer
  5.  *
  6.  * This file is part of FFmpeg.
  7.  *
  8.  * FFmpeg is free software; you can redistribute it and/or
  9.  * modify it under the terms of the GNU Lesser General Public
  10.  * License as published by the Free Software Foundation; either
  11.  * version 2.1 of the License, or (at your option) any later version.
  12.  *
  13.  * FFmpeg is distributed in the hope that it will be useful,
  14.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16.  * Lesser General Public License for more details.
  17.  *
  18.  * You should have received a copy of the GNU Lesser General Public
  19.  * License along with FFmpeg; if not, write to the Free Software
  20.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  21.  */
  22.  
  23. /**
  24.  * @file
  25.  * @brief tables for wmapro decoding
  26.  */
  27.  
  28. #ifndef AVCODEC_WMAPRODATA_H
  29. #define AVCODEC_WMAPRODATA_H
  30.  
  31. #include <stddef.h>
  32. #include <stdint.h>
  33.  
  34. /**
  35.  * @brief frequencies to divide the frequency spectrum into scale factor bands
  36.  */
  37. static const uint16_t critical_freq[] = {
  38.      100,   200,    300,    400,    510,    630,    770,
  39.      920,  1080,   1270,   1480,   1720,   2000,   2320,
  40.     2700,  3150,   3700,   4400,   5300,   6400,   7700,
  41.     9500, 12000,  15500,  20675,  28575,  41375,  63875,
  42. };
  43.  
  44.  
  45. /**
  46.  * @name Huffman tables for DPCM-coded scale factors
  47.  * @{
  48.  */
  49. #define HUFF_SCALE_SIZE    121
  50. #define HUFF_SCALE_MAXBITS  19
  51. static const uint16_t scale_huffcodes[HUFF_SCALE_SIZE] = {
  52.     0xE639, 0xE6C2, 0xE6C1, 0xE6C0, 0xE63F, 0xE63E, 0xE63D, 0xE63C,
  53.     0xE63B, 0xE63A, 0xE638, 0xE637, 0xE636, 0xE635, 0xE634, 0xE632,
  54.     0xE633, 0xE620, 0x737B, 0xE610, 0xE611, 0xE612, 0xE613, 0xE614,
  55.     0xE615, 0xE616, 0xE617, 0xE618, 0xE619, 0xE61A, 0xE61B, 0xE61C,
  56.     0xE61D, 0xE61E, 0xE61F, 0xE6C3, 0xE621, 0xE622, 0xE623, 0xE624,
  57.     0xE625, 0xE626, 0xE627, 0xE628, 0xE629, 0xE62A, 0xE62B, 0xE62C,
  58.     0xE62D, 0xE62E, 0xE62F, 0xE630, 0xE631, 0x1CDF, 0x0E60, 0x0399,
  59.     0x00E7, 0x001D, 0x0000, 0x0001, 0x0001, 0x0001, 0x0002, 0x0006,
  60.     0x0002, 0x0007, 0x0006, 0x000F, 0x0038, 0x0072, 0x039A, 0xE6C4,
  61.     0xE6C5, 0xE6C6, 0xE6C7, 0xE6C8, 0xE6C9, 0xE6CA, 0xE6CB, 0xE6CC,
  62.     0xE6CD, 0xE6CE, 0xE6CF, 0xE6D0, 0xE6D1, 0xE6D2, 0xE6D3, 0xE6D4,
  63.     0xE6D5, 0xE6D6, 0xE6D7, 0xE6D8, 0xE6D9, 0xE6DA, 0xE6DB, 0xE6DC,
  64.     0xE6DD, 0xE6DE, 0xE6DF, 0xE6E0, 0xE6E1, 0xE6E2, 0xE6E3, 0xE6E4,
  65.     0xE6E5, 0xE6E6, 0xE6E7, 0xE6E8, 0xE6E9, 0xE6EA, 0xE6EB, 0xE6EC,
  66.     0xE6ED, 0xE6EE, 0xE6EF, 0xE6F0, 0xE6F1, 0xE6F2, 0xE6F3, 0xE6F4,
  67.     0xE6F5,
  68. };
  69.  
  70. static const uint8_t scale_huffbits[HUFF_SCALE_SIZE] = {
  71.     19, 19, 19, 19, 19, 19, 19, 19,
  72.     19, 19, 19, 19, 19, 19, 19, 19,
  73.     19, 19, 18, 19, 19, 19, 19, 19,
  74.     19, 19, 19, 19, 19, 19, 19, 19,
  75.     19, 19, 19, 19, 19, 19, 19, 19,
  76.     19, 19, 19, 19, 19, 19, 19, 19,
  77.     19, 19, 19, 19, 19, 16, 15, 13,
  78.     11,  8,  5,  2,  1,  3,  5,  6,
  79.      6,  7,  7,  7,  9, 10, 13, 19,
  80.     19, 19, 19, 19, 19, 19, 19, 19,
  81.     19, 19, 19, 19, 19, 19, 19, 19,
  82.     19, 19, 19, 19, 19, 19, 19, 19,
  83.     19, 19, 19, 19, 19, 19, 19, 19,
  84.     19, 19, 19, 19, 19, 19, 19, 19,
  85.     19, 19, 19, 19, 19, 19, 19, 19,
  86.     19,
  87. };
  88. /** @} */
  89.  
  90.  
  91. /**
  92.  * @name Huffman, run and level tables for runlevel-coded scale factors
  93.  * @{
  94.  */
  95. #define HUFF_SCALE_RL_SIZE    120
  96. #define HUFF_SCALE_RL_MAXBITS  21
  97. static const uint32_t scale_rl_huffcodes[HUFF_SCALE_RL_SIZE] = {
  98.     0x00010C, 0x000001, 0x10FE2A, 0x000003, 0x000003, 0x000001, 0x000013,
  99.     0x000020, 0x000029, 0x000014, 0x000016, 0x000045, 0x000049, 0x00002F,
  100.     0x000042, 0x00008E, 0x00008F, 0x000129, 0x000009, 0x00000D, 0x0004AC,
  101.     0x00002C, 0x000561, 0x0002E6, 0x00087C, 0x0002E2, 0x00095C, 0x000018,
  102.     0x000001, 0x000016, 0x000044, 0x00002A, 0x000007, 0x000159, 0x000143,
  103.     0x000128, 0x00015A, 0x00012D, 0x00002B, 0x0000A0, 0x000142, 0x00012A,
  104.     0x0002EF, 0x0004AF, 0x00087D, 0x004AE9, 0x0043F9, 0x000067, 0x000199,
  105.     0x002B05, 0x001583, 0x0021FE, 0x10FE2C, 0x000004, 0x00002E, 0x00010D,
  106.     0x00000A, 0x000244, 0x000017, 0x000245, 0x000011, 0x00010E, 0x00012C,
  107.     0x00002A, 0x00002F, 0x000121, 0x000046, 0x00087E, 0x0000BA, 0x000032,
  108.     0x0087F0, 0x0056DC, 0x0002EC, 0x0043FA, 0x002B6F, 0x004AE8, 0x0002B7,
  109.     0x10FE2B, 0x000001, 0x000051, 0x000010, 0x0002EE, 0x000B9C, 0x002576,
  110.     0x000198, 0x0056DD, 0x0000CD, 0x000AC0, 0x000170, 0x004AEF, 0x00002D,
  111.     0x0004AD, 0x0021FF, 0x0005CF, 0x002B04, 0x10FE29, 0x10FE28, 0x0002ED,
  112.     0x002E74, 0x021FC4, 0x004AEE, 0x010FE3, 0x087F17, 0x000000, 0x000097,
  113.     0x0002E3, 0x000ADA, 0x002575, 0x00173B, 0x0043FB, 0x002E75, 0x10FE2D,
  114.     0x0015B6, 0x00056C, 0x000057, 0x000123, 0x000120, 0x00021E, 0x000172,
  115.     0x0002B1,
  116. };
  117.  
  118. static const uint8_t scale_rl_huffbits[HUFF_SCALE_RL_SIZE] = {
  119.      9,  2, 21,  2,  4,  5,  5,
  120.      6,  6,  7,  7,  7,  7,  6,
  121.      7,  8,  8,  9, 10, 10, 11,
  122.     12, 11, 12, 12, 12, 12, 11,
  123.      4,  5,  7,  8,  9,  9,  9,
  124.      9,  9,  9,  8,  8,  9,  9,
  125.     12, 11, 12, 15, 15, 13, 15,
  126.     14, 13, 14, 21,  5,  6,  9,
  127.     10, 10, 11, 10, 11,  9,  9,
  128.      6,  8,  9,  7, 12, 10, 12,
  129.     16, 15, 12, 15, 14, 15, 10,
  130.     21,  6,  7, 11, 12, 14, 14,
  131.     15, 15, 14, 12, 11, 15, 12,
  132.     11, 14, 13, 14, 21, 21, 12,
  133.     16, 18, 15, 17, 20,  7,  8,
  134.     12, 12, 14, 15, 15, 16, 21,
  135.     13, 11,  7,  9,  9, 10, 11,
  136.     10,
  137. };
  138.  
  139.  
  140. static const uint8_t scale_rl_run[HUFF_SCALE_RL_SIZE] = {
  141.      0,  0,  0,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15,
  142.     16, 17, 18, 19, 20, 21, 22, 23, 24,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9,
  143.     10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,  0,  1,  2,  3,
  144.      4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22,
  145.     23, 24,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15, 16,
  146.     17, 18, 19, 20, 21, 22, 23, 24,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10,
  147.      0,  1,  0,  1,  0,  1,
  148. };
  149.  
  150. static const uint8_t scale_rl_level[HUFF_SCALE_RL_SIZE] = {
  151.      0,  0,  1,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
  152.      2,  2,  2,  2,  2,  2,  2,  2,  2,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,
  153.      3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  4,  4,  4,  4,
  154.      4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,
  155.      4,  4,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,
  156.      5,  5,  5,  5,  5,  5,  5,  5,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,
  157.      7,  7,  8,  8,  9,  9,
  158. };
  159. /** @} */
  160.  
  161.  
  162. /**
  163.  * @name Huffman, run and level codes for runlevel-coded coefficients
  164.  * @{
  165.  */
  166. #define HUFF_COEF0_SIZE    272
  167. #define HUFF_COEF0_MAXBITS  21
  168. static const uint32_t coef0_huffcodes[HUFF_COEF0_SIZE] = {
  169.     0x00004A, 0x00002B, 0x000000, 0x000003, 0x000006, 0x000009, 0x00000F,
  170.     0x000010, 0x000016, 0x000011, 0x000016, 0x000028, 0x00002F, 0x000026,
  171.     0x000029, 0x000045, 0x000055, 0x00005D, 0x000042, 0x00004E, 0x000051,
  172.     0x00005E, 0x00008D, 0x0000A8, 0x0000AD, 0x000080, 0x000096, 0x00009F,
  173.     0x0000AA, 0x0000BE, 0x00011C, 0x000153, 0x000158, 0x000170, 0x000104,
  174.     0x00010D, 0x000105, 0x000103, 0x00012F, 0x000177, 0x000175, 0x000157,
  175.     0x000174, 0x000225, 0x00023B, 0x00020D, 0x00021F, 0x000281, 0x00027B,
  176.     0x000282, 0x0002AC, 0x0002FD, 0x00044F, 0x000478, 0x00044D, 0x0002EC,
  177.     0x00044E, 0x000564, 0x000409, 0x00040B, 0x000501, 0x000545, 0x0004F3,
  178.     0x000541, 0x00043B, 0x0004F1, 0x0004F4, 0x0008FD, 0x000A94, 0x000811,
  179.     0x000B88, 0x000B91, 0x000B93, 0x0008EA, 0x000899, 0x000B8A, 0x000972,
  180.     0x0009E5, 0x000A8F, 0x000A84, 0x000A8E, 0x000A00, 0x000830, 0x0008E8,
  181.     0x000B95, 0x000871, 0x00083A, 0x000814, 0x000873, 0x000BFE, 0x001728,
  182.     0x001595, 0x001712, 0x00102A, 0x001021, 0x001729, 0x00152E, 0x0013C3,
  183.     0x001721, 0x001597, 0x00151B, 0x0010F2, 0x001403, 0x001703, 0x001503,
  184.     0x001708, 0x0013C1, 0x00170E, 0x00170C, 0x0010E1, 0x0011EA, 0x001020,
  185.     0x001500, 0x0017FA, 0x001704, 0x001705, 0x0017F0, 0x0017FB, 0x0021E6,
  186.     0x002B2D, 0x0020C6, 0x002B29, 0x002E4A, 0x0023AC, 0x001519, 0x0023F3,
  187.     0x002B2C, 0x0021C0, 0x0017FE, 0x0023D7, 0x0017F9, 0x0012E7, 0x0013C0,
  188.     0x002261, 0x0023D3, 0x002057, 0x002056, 0x0021D2, 0x0020C7, 0x0023D2,
  189.     0x0020EC, 0x0044C0, 0x002FE2, 0x00475B, 0x002A03, 0x002FE3, 0x0021E2,
  190.     0x0021D0, 0x002A31, 0x002E13, 0x002E05, 0x0047E5, 0x00000E, 0x000024,
  191.     0x000088, 0x0000B9, 0x00010C, 0x000224, 0x0002B3, 0x000283, 0x0002ED,
  192.     0x00047B, 0x00041E, 0x00043D, 0x0004F5, 0x0005FD, 0x000A92, 0x000B96,
  193.     0x000838, 0x000971, 0x000B83, 0x000B80, 0x000BF9, 0x0011D3, 0x0011E8,
  194.     0x0011D7, 0x001527, 0x0011F8, 0x001073, 0x0010F0, 0x0010E4, 0x0017F8,
  195.     0x001062, 0x001402, 0x0017E3, 0x00151A, 0x001077, 0x00152B, 0x00170D,
  196.     0x0021D3, 0x002E41, 0x0013C2, 0x000029, 0x0000A9, 0x00025D, 0x000419,
  197.     0x000544, 0x000B8B, 0x0009E4, 0x0011D2, 0x001526, 0x001724, 0x0012E6,
  198.     0x00150B, 0x0017FF, 0x002E26, 0x002E4B, 0x002B28, 0x0021E3, 0x002A14,
  199.     0x00475A, 0x002E12, 0x000057, 0x00023E, 0x000A90, 0x000BF0, 0x001072,
  200.     0x001502, 0x0023D6, 0x0020ED, 0x002A30, 0x0044C7, 0x00008C, 0x00047F,
  201.     0x00152A, 0x002262, 0x002E04, 0x0000A1, 0x0005F9, 0x000173, 0x000875,
  202.     0x000171, 0x00152D, 0x0002E3, 0x0017E2, 0x0002AD, 0x0021C1, 0x000479,
  203.     0x0021E7, 0x00041F, 0x005C4E, 0x000543, 0x005C4F, 0x000A91, 0x00898D,
  204.     0x000B97, 0x008746, 0x000970, 0x008745, 0x000B85, 0x00A856, 0x00152F,
  205.     0x010E8E, 0x0010E5, 0x00A857, 0x00170F, 0x021D11, 0x002A58, 0x010E8F,
  206.     0x002E40, 0x021D13, 0x002A59, 0x043A25, 0x002A02, 0x043A21, 0x0044C1,
  207.     0x087448, 0x0047E4, 0x043A20, 0x00542A, 0x087449, 0x00898C,
  208. };
  209.  
  210. static const uint8_t coef0_huffbits[HUFF_COEF0_SIZE] = {
  211.      8,  7,  2,  3,  3,  4,  4,
  212.      5,  5,  6,  6,  6,  6,  7,
  213.      7,  7,  7,  7,  8,  8,  8,
  214.      8,  8,  8,  8,  9,  9,  9,
  215.      9,  9,  9,  9,  9,  9, 10,
  216.     10, 10, 10, 10, 10, 10, 10,
  217.     10, 10, 10, 11, 11, 11, 11,
  218.     11, 11, 11, 11, 11, 11, 11,
  219.     11, 11, 12, 12, 12, 12, 12,
  220.     12, 12, 12, 12, 12, 12, 13,
  221.     12, 12, 12, 12, 12, 12, 13,
  222.     13, 13, 13, 13, 13, 13, 12,
  223.     12, 13, 13, 13, 13, 13, 13,
  224.     13, 13, 14, 14, 13, 13, 14,
  225.     13, 13, 14, 14, 14, 14, 14,
  226.     14, 14, 14, 14, 14, 13, 14,
  227.     14, 14, 14, 14, 14, 14, 15,
  228.     14, 15, 14, 14, 14, 14, 14,
  229.     14, 15, 14, 14, 14, 14, 14,
  230.     14, 14, 15, 15, 15, 15, 14,
  231.     15, 15, 15, 15, 15, 15, 15,
  232.     15, 15, 15, 15, 15,  4,  7,
  233.      8,  9, 10, 10, 10, 11, 11,
  234.     11, 12, 12, 12, 12, 12, 12,
  235.     13, 13, 13, 13, 13, 13, 13,
  236.     13, 13, 13, 14, 14, 14, 14,
  237.     14, 14, 14, 14, 14, 13, 14,
  238.     15, 14, 14,  6,  9, 11, 12,
  239.     12, 12, 13, 13, 13, 13, 14,
  240.     14, 14, 14, 14, 14, 15, 15,
  241.     15, 15,  7, 10, 12, 13, 14,
  242.     14, 14, 15, 15, 15,  8, 11,
  243.     13, 14, 15,  9, 12,  9, 13,
  244.     10, 13, 10, 14, 11, 15, 11,
  245.     15, 12, 15, 12, 15, 12, 16,
  246.     12, 17, 13, 17, 13, 17, 13,
  247.     18, 14, 17, 14, 19, 14, 18,
  248.     14, 19, 14, 20, 15, 20, 15,
  249.     21, 15, 20, 16, 21, 16,
  250. };
  251.  
  252.  
  253. #define HUFF_COEF1_SIZE    244
  254. #define HUFF_COEF1_MAXBITS  22
  255. static const uint32_t coef1_huffcodes[HUFF_COEF1_SIZE] = {
  256.     0x0001E2, 0x00007F, 0x000000, 0x000002, 0x000008, 0x00000E, 0x000019,
  257.     0x00002F, 0x000037, 0x000060, 0x00006C, 0x000095, 0x0000C6, 0x0000F0,
  258.     0x00012E, 0x000189, 0x0001A5, 0x0001F8, 0x000253, 0x00030A, 0x000344,
  259.     0x00034D, 0x0003F2, 0x0004BD, 0x0005D7, 0x00062A, 0x00068B, 0x000693,
  260.     0x000797, 0x00097D, 0x000BAB, 0x000C52, 0x000C5E, 0x000D21, 0x000D20,
  261.     0x000F1A, 0x000FCE, 0x000FD1, 0x0012F1, 0x001759, 0x0018AC, 0x0018A7,
  262.     0x0018BF, 0x001A2B, 0x001E52, 0x001E50, 0x001E31, 0x001FB8, 0x0025E6,
  263.     0x0025E7, 0x002EB4, 0x002EB7, 0x003169, 0x00315B, 0x00317C, 0x00316C,
  264.     0x0034CA, 0x00348D, 0x003F40, 0x003CA2, 0x003F76, 0x004BC3, 0x004BE5,
  265.     0x003F73, 0x004BF8, 0x004BF9, 0x006131, 0x00628B, 0x006289, 0x0062DA,
  266.     0x00628A, 0x0062D4, 0x006997, 0x0062B4, 0x006918, 0x00794D, 0x007E7B,
  267.     0x007E87, 0x007EEA, 0x00794E, 0x00699D, 0x007967, 0x00699F, 0x0062DB,
  268.     0x007E7A, 0x007EEB, 0x00BAC0, 0x0097C9, 0x00C537, 0x00C5AB, 0x00D233,
  269.     0x00D338, 0x00BAC1, 0x00D23D, 0x012F91, 0x00D339, 0x00FDC8, 0x00D23C,
  270.     0x00FDDC, 0x00FDC9, 0x00FDDD, 0x00D33C, 0x000003, 0x000016, 0x00003E,
  271.     0x0000C3, 0x0001A1, 0x000347, 0x00062E, 0x000BAA, 0x000F2D, 0x001A2A,
  272.     0x001E58, 0x00309B, 0x003CA3, 0x005D6A, 0x00629A, 0x006996, 0x00794F,
  273.     0x007EE5, 0x00BAD7, 0x00C5AA, 0x00C5F4, 0x00FDDF, 0x00FDDE, 0x018A20,
  274.     0x018A6D, 0x01A67B, 0x01A464, 0x025F21, 0x01F9E2, 0x01F9E3, 0x00000A,
  275.     0x00003D, 0x000128, 0x0003C7, 0x000C24, 0x0018A3, 0x002EB1, 0x003CB2,
  276.     0x00691F, 0x007E79, 0x000013, 0x0000BB, 0x00034E, 0x000D14, 0x0025FD,
  277.     0x004BE7, 0x000024, 0x000188, 0x0007EF, 0x000035, 0x000308, 0x0012F2,
  278.     0x00005C, 0x0003F6, 0x0025E0, 0x00006D, 0x000698, 0x000096, 0x000C25,
  279.     0x0000C7, 0x000F1B, 0x0000F3, 0x0012FF, 0x000174, 0x001A66, 0x0001A0,
  280.     0x003099, 0x0001E4, 0x00316B, 0x000252, 0x003F31, 0x00030B, 0x004BE6,
  281.     0x000346, 0x0062FB, 0x00034F, 0x007966, 0x0003F5, 0x007E86, 0x0005D4,
  282.     0x00C511, 0x00062C, 0x00C5F5, 0x000692, 0x00F299, 0x000795, 0x00F298,
  283.     0x0007E9, 0x018A21, 0x00097E, 0x0175AD, 0x000C27, 0x01A67A, 0x000C57,
  284.     0x02EB59, 0x000D22, 0x0314D9, 0x000F19, 0x03F3C2, 0x000FCD, 0x0348CB,
  285.     0x0012F8, 0x04BE41, 0x0018A0, 0x03F3C1, 0x0018A1, 0x04BE40, 0x0018B7,
  286.     0x0629B0, 0x001A64, 0x0D2329, 0x001E30, 0x03F3C3, 0x001F9F, 0x0BAD62,
  287.     0x001F99, 0x0FCF00, 0x00309A, 0x0629B1, 0x002EB6, 0x175AC3, 0x00314C,
  288.     0x069195, 0x003168, 0x0BAD63, 0x00348E, 0x175AC1, 0x003F30, 0x07E781,
  289.     0x003F41, 0x0D2328, 0x003F42, 0x1F9E03, 0x004BC2, 0x175AC2, 0x003F74,
  290.     0x175AC0, 0x005D61, 0x3F3C05, 0x006130, 0x3F3C04, 0x0062B5,
  291. };
  292.  
  293. static const uint8_t coef1_huffbits[HUFF_COEF1_SIZE] = {
  294.      9,  7,  2,  3,  4,  4,  5,
  295.      6,  6,  7,  7,  8,  8,  8,
  296.      9,  9,  9,  9, 10, 10, 10,
  297.     10, 10, 11, 11, 11, 11, 11,
  298.     11, 12, 12, 12, 12, 12, 12,
  299.     12, 12, 12, 13, 13, 13, 13,
  300.     13, 13, 13, 13, 13, 13, 14,
  301.     14, 14, 14, 14, 14, 14, 14,
  302.     14, 14, 14, 14, 14, 15, 15,
  303.     14, 15, 15, 15, 15, 15, 15,
  304.     15, 15, 15, 15, 15, 15, 15,
  305.     15, 15, 15, 15, 15, 15, 15,
  306.     15, 15, 16, 16, 16, 16, 16,
  307.     16, 16, 16, 17, 16, 16, 16,
  308.     16, 16, 16, 16,  3,  5,  6,
  309.      8,  9, 10, 11, 12, 12, 13,
  310.     13, 14, 14, 15, 15, 15, 15,
  311.     15, 16, 16, 16, 16, 16, 17,
  312.     17, 17, 17, 18, 17, 17,  4,
  313.      6,  9, 10, 12, 13, 14, 14,
  314.     15, 15,  5,  8, 10, 12, 14,
  315.     15,  6,  9, 11,  6, 10, 13,
  316.      7, 10, 14,  7, 11,  8, 12,
  317.      8, 12,  8, 13,  9, 13,  9,
  318.     14,  9, 14, 10, 14, 10, 15,
  319.     10, 15, 10, 15, 10, 15, 11,
  320.     16, 11, 16, 11, 16, 11, 16,
  321.     11, 17, 12, 17, 12, 17, 12,
  322.     18, 12, 18, 12, 18, 12, 18,
  323.     13, 19, 13, 18, 13, 19, 13,
  324.     19, 13, 20, 13, 18, 13, 20,
  325.     13, 20, 14, 19, 14, 21, 14,
  326.     19, 14, 20, 14, 21, 14, 19,
  327.     14, 20, 14, 21, 15, 21, 14,
  328.     21, 15, 22, 15, 22, 15,
  329. };
  330.  
  331.  
  332. static const uint16_t coef0_run[HUFF_COEF0_SIZE] = {
  333.       0,   0,   0,   1,   2,   3,   4,   5,   6,   7,   8,   9,  10,  11,
  334.      12,  13,  14,  15,  16,  17,  18,  19,  20,  21,  22,  23,  24,  25,
  335.      26,  27,  28,  29,  30,  31,  32,  33,  34,  35,  36,  37,  38,  39,
  336.      40,  41,  42,  43,  44,  45,  46,  47,  48,  49,  50,  51,  52,  53,
  337.      54,  55,  56,  57,  58,  59,  60,  61,  62,  63,  64,  65,  66,  67,
  338.      68,  69,  70,  71,  72,  73,  74,  75,  76,  77,  78,  79,  80,  81,
  339.      82,  83,  84,  85,  86,  87,  88,  89,  90,  91,  92,  93,  94,  95,
  340.      96,  97,  98,  99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
  341.     110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123,
  342.     124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137,
  343.     138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149,   0,   1,
  344.       2,   3,   4,   5,   6,   7,   8,   9,  10,  11,  12,  13,  14,  15,
  345.      16,  17,  18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29,
  346.      30,  31,  32,  33,  34,  35,  36,  37,  38,  39,   0,   1,   2,   3,
  347.       4,   5,   6,   7,   8,   9,  10,  11,  12,  13,  14,  15,  16,  17,
  348.      18,  19,   0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   0,   1,
  349.       2,   3,   4,   0,   1,   0,   1,   0,   1,   0,   1,   0,   1,   0,
  350.       1,   0,   1,   0,   1,   0,   1,   0,   1,   0,   1,   0,   1,   0,
  351.       1,   0,   1,   0,   1,   0,   1,   0,   1,   0,   1,   0,   1,   0,
  352.       1,   0,   1,   0,   1,   0,
  353. };
  354.  
  355. static const float coef0_level[HUFF_COEF0_SIZE] = {
  356.       0,   0,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,
  357.       1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,
  358.       1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,
  359.       1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,
  360.       1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,
  361.       1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,
  362.       1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,
  363.       1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,
  364.       1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,
  365.       1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,
  366.       1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   2,   2,
  367.       2,   2,   2,   2,   2,   2,   2,   2,   2,   2,   2,   2,   2,   2,
  368.       2,   2,   2,   2,   2,   2,   2,   2,   2,   2,   2,   2,   2,   2,
  369.       2,   2,   2,   2,   2,   2,   2,   2,   2,   2,   3,   3,   3,   3,
  370.       3,   3,   3,   3,   3,   3,   3,   3,   3,   3,   3,   3,   3,   3,
  371.       3,   3,   4,   4,   4,   4,   4,   4,   4,   4,   4,   4,   5,   5,
  372.       5,   5,   5,   6,   6,   7,   7,   8,   8,   9,   9,  10,  10,  11,
  373.      11,  12,  12,  13,  13,  14,  14,  15,  15,  16,  16,  17,  17,  18,
  374.      18,  19,  19,  20,  20,  21,  21,  22,  22,  23,  23,  24,  24,  25,
  375.      25,  26,  26,  27,  27,  28,
  376. };
  377.  
  378.  
  379. static const uint16_t coef1_run[HUFF_COEF1_SIZE] = {
  380.      0,  0,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15,
  381.     16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,
  382.     34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51,
  383.     52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69,
  384.     70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87,
  385.     88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,  0,  1,  2,  3,  4,  5,
  386.      6,  7,  8,  9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,
  387.     24, 25, 26, 27, 28, 29,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  0,  1,
  388.      2,  3,  4,  5,  0,  1,  2,  0,  1,  2,  0,  1,  2,  0,  1,  0,  1,  0,
  389.      1,  0,  1,  0,  1,  0,  1,  0,  1,  0,  1,  0,  1,  0,  1,  0,  1,  0,
  390.      1,  0,  1,  0,  1,  0,  1,  0,  1,  0,  1,  0,  1,  0,  1,  0,  1,  0,
  391.      1,  0,  1,  0,  1,  0,  1,  0,  1,  0,  1,  0,  1,  0,  1,  0,  1,  0,
  392.      1,  0,  1,  0,  1,  0,  1,  0,  1,  0,  1,  0,  1,  0,  1,  0,  1,  0,
  393.      1,  0,  1,  0,  1,  0,  1,  0,  0,  0,
  394. };
  395.  
  396. static const float coef1_level[HUFF_COEF1_SIZE] = {
  397.      0,  0,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,
  398.      1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,
  399.      1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,
  400.      1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,
  401.      1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,
  402.      1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  2,  2,  2,  2,  2,  2,
  403.      2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,
  404.      2,  2,  2,  2,  2,  2,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  4,  4,
  405.      4,  4,  4,  4,  5,  5,  5,  6,  6,  6,  7,  7,  7,  8,  8,  9,  9, 10,
  406.     10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 16, 16, 17, 17, 18, 18, 19,
  407.     19, 20, 20, 21, 21, 22, 22, 23, 23, 24, 24, 25, 25, 26, 26, 27, 27, 28,
  408.     28, 29, 29, 30, 30, 31, 31, 32, 32, 33, 33, 34, 34, 35, 35, 36, 36, 37,
  409.     37, 38, 38, 39, 39, 40, 40, 41, 41, 42, 42, 43, 43, 44, 44, 45, 45, 46,
  410.     46, 47, 47, 48, 48, 49, 49, 50, 51, 52,
  411. };
  412. /** @} */
  413.  
  414.  
  415. /**
  416.  * @name Huffman and vector lookup tables for vector-coded coefficients
  417.  * @{
  418.  */
  419. #define HUFF_VEC4_SIZE    127
  420. #define HUFF_VEC4_MAXBITS  14
  421. static const uint16_t vec4_huffcodes[HUFF_VEC4_SIZE] = {
  422.     0x0019, 0x0027, 0x00F2, 0x03BA, 0x0930, 0x1267, 0x0031, 0x0030,
  423.     0x0097, 0x0221, 0x058B, 0x0124, 0x00EB, 0x01D4, 0x03D8, 0x0584,
  424.     0x0364, 0x045F, 0x0F66, 0x0931, 0x24CD, 0x002F, 0x0039, 0x00E8,
  425.     0x02C3, 0x078A, 0x0037, 0x0029, 0x0084, 0x01B1, 0x00ED, 0x0086,
  426.     0x00F9, 0x03AB, 0x01EB, 0x08BC, 0x011E, 0x00F3, 0x0220, 0x058A,
  427.     0x00EC, 0x008E, 0x012B, 0x01EA, 0x0119, 0x04B0, 0x04B1, 0x03B8,
  428.     0x0691, 0x0365, 0x01ED, 0x049A, 0x0EA9, 0x0EA8, 0x08BD, 0x24CC,
  429.     0x0026, 0x0035, 0x00DB, 0x02C4, 0x07B2, 0x0038, 0x002B, 0x007F,
  430.     0x01B3, 0x00F4, 0x0091, 0x0116, 0x03BB, 0x0215, 0x0932, 0x002D,
  431.     0x002A, 0x008A, 0x01DE, 0x0028, 0x0020, 0x005C, 0x0090, 0x0068,
  432.     0x01EE, 0x00E9, 0x008D, 0x012A, 0x0087, 0x005D, 0x0118, 0x0349,
  433.     0x01EF, 0x01E3, 0x08B9, 0x00F0, 0x00D3, 0x0214, 0x049B, 0x00DA,
  434.     0x0089, 0x0125, 0x0217, 0x012D, 0x0690, 0x0094, 0x007D, 0x011F,
  435.     0x007E, 0x0059, 0x0127, 0x01A5, 0x0111, 0x00F8, 0x045D, 0x03B9,
  436.     0x0259, 0x0580, 0x02C1, 0x01DF, 0x0585, 0x0216, 0x0163, 0x01B0,
  437.     0x03C4, 0x08B8, 0x078B, 0x0755, 0x0581, 0x0F67, 0x0000,
  438. };
  439.  
  440. static const uint8_t vec4_huffbits[HUFF_VEC4_SIZE] = {
  441.      5,  6,  8, 10, 12, 13,  6,  6,
  442.      8, 10, 11,  9,  8,  9, 10, 11,
  443.     10, 11, 12, 12, 14,  6,  6,  8,
  444.     10, 11,  6,  6,  8,  9,  8,  8,
  445.      8, 10,  9, 12,  9,  8, 10, 11,
  446.      8,  8,  9,  9,  9, 11, 11, 10,
  447.     11, 10,  9, 11, 12, 12, 12, 14,
  448.      6,  6,  8, 10, 11,  6,  6,  7,
  449.      9,  8,  8,  9, 10, 10, 12,  6,
  450.      6,  8,  9,  6,  6,  7,  8,  7,
  451.      9,  8,  8,  9,  8,  7,  9, 10,
  452.      9,  9, 12,  8,  8, 10, 11,  8,
  453.      8,  9, 10,  9, 11,  8,  7,  9,
  454.      7,  7,  9,  9,  9,  8, 11, 10,
  455.     10, 11, 10,  9, 11, 10,  9,  9,
  456.     10, 12, 11, 11, 11, 12,  1,
  457. };
  458.  
  459.  
  460. #define HUFF_VEC2_SIZE    137
  461. #define HUFF_VEC2_MAXBITS  12
  462. static const uint16_t vec2_huffcodes[HUFF_VEC2_SIZE] = {
  463.     0x055, 0x01C, 0x01A, 0x02B, 0x028, 0x067, 0x08B, 0x039,
  464.     0x170, 0x10D, 0x2A5, 0x047, 0x464, 0x697, 0x523, 0x8CB,
  465.     0x01B, 0x00E, 0x000, 0x010, 0x012, 0x036, 0x048, 0x04C,
  466.     0x0C2, 0x09B, 0x171, 0x03B, 0x224, 0x34A, 0x2D6, 0x019,
  467.     0x00F, 0x002, 0x014, 0x017, 0x006, 0x05D, 0x054, 0x0C7,
  468.     0x0B4, 0x192, 0x10E, 0x233, 0x043, 0x02C, 0x00F, 0x013,
  469.     0x006, 0x02F, 0x02C, 0x068, 0x077, 0x0DF, 0x111, 0x1A4,
  470.     0x16A, 0x2A4, 0x027, 0x011, 0x018, 0x02D, 0x00F, 0x04A,
  471.     0x040, 0x097, 0x01F, 0x11B, 0x022, 0x16D, 0x066, 0x035,
  472.     0x005, 0x02B, 0x049, 0x009, 0x075, 0x0CB, 0x0AA, 0x187,
  473.     0x106, 0x08A, 0x047, 0x060, 0x06E, 0x01D, 0x074, 0x0C4,
  474.     0x01E, 0x118, 0x1A7, 0x038, 0x042, 0x053, 0x076, 0x0A8,
  475.     0x0CA, 0x082, 0x110, 0x18D, 0x12D, 0x0B9, 0x0C8, 0x0DE,
  476.     0x01C, 0x0AB, 0x113, 0x18C, 0x10F, 0x09A, 0x0A5, 0x0B7,
  477.     0x11A, 0x186, 0x1A6, 0x259, 0x153, 0x18A, 0x193, 0x020,
  478.     0x10C, 0x046, 0x03A, 0x107, 0x149, 0x16C, 0x2D7, 0x225,
  479.     0x258, 0x316, 0x696, 0x317, 0x042, 0x522, 0x290, 0x8CA,
  480.     0x001,
  481. };
  482.  
  483. static const uint8_t vec2_huffbits[HUFF_VEC2_SIZE] = {
  484.      7,  6,  6,  6,  7,  7,  8,  9,
  485.      9, 10, 10, 11, 11, 11, 12, 12,
  486.      6,  4,  5,  5,  6,  6,  7,  8,
  487.      8,  9,  9, 10, 10, 10, 11,  6,
  488.      4,  5,  5,  6,  7,  7,  8,  8,
  489.      9,  9, 10, 10, 11,  6,  5,  5,
  490.      6,  6,  7,  7,  8,  8,  9,  9,
  491.     10, 10,  7,  6,  6,  6,  7,  7,
  492.      8,  8,  9,  9, 10, 10,  7,  6,
  493.      7,  7,  7,  8,  8,  8,  9,  9,
  494.     10,  8,  7,  7,  7,  8,  8,  8,
  495.      9,  9,  9,  9,  8,  8,  8,  8,
  496.      8,  9,  9,  9,  9,  8,  8,  8,
  497.      9,  9,  9,  9, 10,  9,  9,  9,
  498.      9,  9,  9, 10,  9,  9,  9, 10,
  499.     10, 11, 10, 10, 10, 10, 11, 10,
  500.     10, 10, 11, 10, 11, 12, 11, 12,
  501.      3,
  502. };
  503.  
  504.  
  505. #define HUFF_VEC1_SIZE    101
  506. #define HUFF_VEC1_MAXBITS  11
  507. static const uint16_t vec1_huffcodes[HUFF_VEC1_SIZE] = {
  508.     0x01A, 0x003, 0x017, 0x010, 0x00C, 0x009, 0x005, 0x000,
  509.     0x00D, 0x00A, 0x009, 0x00C, 0x00F, 0x002, 0x004, 0x007,
  510.     0x00B, 0x00F, 0x01C, 0x006, 0x010, 0x015, 0x01C, 0x022,
  511.     0x03B, 0x00E, 0x019, 0x023, 0x034, 0x036, 0x03A, 0x047,
  512.     0x008, 0x00A, 0x01E, 0x031, 0x037, 0x050, 0x053, 0x06B,
  513.     0x06F, 0x08C, 0x0E8, 0x0EA, 0x0EB, 0x016, 0x03E, 0x03F,
  514.     0x06C, 0x089, 0x08A, 0x0A3, 0x0A4, 0x0D4, 0x0DD, 0x0EC,
  515.     0x0EE, 0x11A, 0x1D2, 0x024, 0x025, 0x02E, 0x027, 0x0C2,
  516.     0x0C0, 0x0DA, 0x0DB, 0x111, 0x144, 0x116, 0x14A, 0x145,
  517.     0x1B8, 0x1AB, 0x1DA, 0x1DE, 0x1DB, 0x1DF, 0x236, 0x237,
  518.     0x3A6, 0x3A7, 0x04D, 0x04C, 0x05E, 0x05F, 0x183, 0x182,
  519.     0x186, 0x221, 0x187, 0x220, 0x22E, 0x22F, 0x296, 0x354,
  520.     0x297, 0x355, 0x372, 0x373, 0x016,
  521. };
  522.  
  523. static const uint8_t vec1_huffbits[HUFF_VEC1_SIZE] = {
  524.      7,  6,  5,  5,  5,  5,  5,  5,
  525.      4,  4,  4,  4,  4,  5,  5,  5,
  526.      5,  5,  5,  6,  6,  6,  6,  6,
  527.      6,  7,  7,  7,  7,  7,  7,  7,
  528.      8,  8,  8,  8,  8,  8,  8,  8,
  529.      8,  8,  8,  8,  8,  9,  9,  9,
  530.      9,  9,  9,  9,  9,  9,  9,  9,
  531.      9,  9,  9, 10, 10, 10, 10, 10,
  532.     10, 10, 10, 10, 10, 10, 10, 10,
  533.     10, 10, 10, 10, 10, 10, 10, 10,
  534.     10, 10, 11, 11, 11, 11, 11, 11,
  535.     11, 11, 11, 11, 11, 11, 11, 11,
  536.     11, 11, 11, 11,  5,
  537. };
  538.  
  539.  
  540. static const uint16_t symbol_to_vec4[HUFF_VEC4_SIZE] = {
  541.         0,    1,      2,     3,     4,     5,    16,    17,    18,    19,
  542.        20,   32,     33,    34,    35,    48,    49,    50,    64,    65,
  543.        80,   256,   257,   258,   259,   260,   272,   273,   274,   275,
  544.       288,   289,   290,   304,   305,   320,   512,   513,   514,   515,
  545.       528,   529,   530,   544,   545,   560,   768,   769,   770,   784,
  546.       785,   800,  1024,  1025,  1040,  1280,  4096,  4097,  4098,  4099,
  547.      4100,  4112,  4113,  4114,  4115,  4128,  4129,  4130,  4144,  4145,
  548.      4160,  4352,  4353,  4354,  4355,  4368,  4369,  4370,  4384,  4385,
  549.      4400,  4608,  4609,  4610,  4624,  4625,  4640,  4864,  4865,  4880,
  550.      5120,  8192,  8193,  8194,  8195,  8208,  8209,  8210,  8224,  8225,
  551.      8240,  8448,  8449,  8450,  8464,  8465,  8480,  8704,  8705,  8720,
  552.      8960, 12288, 12289, 12290, 12304, 12305, 12320, 12544, 12545, 12560,
  553.     12800, 16384, 16385, 16400, 16640, 20480,     0,
  554. };
  555.  
  556.  
  557. static const uint8_t symbol_to_vec2[HUFF_VEC2_SIZE] = {
  558.       0,   1,   2,   3,   4,   5,   6,   7,   8,   9,  10,  11,  12,  13,  14,
  559.      15,  16,  17,  18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29,
  560.      30,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,  44,  45,
  561.      48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59,  60,  64,  65,
  562.      66,  67,  68,  69,  70,  71,  72,  73,  74,  75,  80,  81,  82,  83,  84,
  563.      85,  86,  87,  88,  89,  90,  96,  97,  98,  99, 100, 101, 102, 103, 104,
  564.     105, 112, 113, 114, 115, 116, 117, 118, 119, 120, 128, 129, 130, 131, 132,
  565.     133, 134, 135, 144, 145, 146, 147, 148, 149, 150, 160, 161, 162, 163, 164,
  566.     165, 176, 177, 178, 179, 180, 192, 193, 194, 195, 208, 209, 210, 224, 225,
  567.     240,   0,
  568. };
  569. /** @} */
  570.  
  571.  
  572. /**
  573.  * @brief decorrelation matrix for multichannel streams
  574.  **/
  575. static const float default_decorrelation_matrices[] = {
  576.     1.000000,  0.707031, -0.707031,  0.707031,  0.707031,  0.578125,  0.707031,
  577.     0.410156,  0.578125, -0.707031,  0.410156,  0.578125,  0.000000, -0.816406,
  578.     0.500000,  0.652344,  0.500000,  0.269531,  0.500000,  0.269531, -0.500000,
  579.    -0.652344,  0.500000, -0.269531, -0.500000,  0.652344,  0.500000, -0.652344,
  580.     0.500000, -0.269531,  0.445312,  0.601562,  0.511719,  0.371094,  0.195312,
  581.     0.445312,  0.371094, -0.195312, -0.601562, -0.511719,  0.445312,  0.000000,
  582.    -0.632812,  0.000000,  0.632812,  0.445312, -0.371094, -0.195312,  0.601562,
  583.    -0.511719,  0.445312, -0.601562,  0.511719, -0.371094,  0.195312,  0.410156,
  584.     0.558594,  0.500000,  0.410156,  0.289062,  0.148438,  0.410156,  0.410156,
  585.     0.000000, -0.410156, -0.578125, -0.410156,  0.410156,  0.148438, -0.500000,
  586.    -0.410156,  0.289062,  0.558594,  0.410156, -0.148438, -0.500000,  0.410156,
  587.     0.289062, -0.558594,  0.410156, -0.410156,  0.000000,  0.410156, -0.578125,
  588.     0.410156,  0.410156, -0.558594,  0.500000, -0.410156,  0.289062, -0.148438,
  589. };
  590.  
  591. /**
  592.  * @brief default decorrelation matrix offsets
  593.  */
  594. static const float * const default_decorrelation[] = {
  595.     NULL,
  596.     &default_decorrelation_matrices[0],
  597.     &default_decorrelation_matrices[1],
  598.     &default_decorrelation_matrices[5],
  599.     &default_decorrelation_matrices[14],
  600.     &default_decorrelation_matrices[30],
  601.     &default_decorrelation_matrices[55]
  602. };
  603.  
  604. #endif /* AVCODEC_WMAPRODATA_H */
  605.