falkTX
/
FFmpeg
mirror of https://github.com/falkTX/FFmpeg.git
1
0
Fork 0
Code Issues 0 Releases 338 Wiki Activity
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
20446 Commits
32 Branches
283MB
Tree: f5a9c4ee50
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from 'f5a9c4ee50'
${ noResults }
FFmpeg/libavcodec/wmaprodata.h

602 lines
28KB
Raw Blame History 

  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  libavcodec/wmaprodata.h

  25.  * @brief tables for wmapro decoding

  26.  */

  27. 

  28. #ifndef AVCODEC_WMAPRODATA_H

  29. #define AVCODEC_WMAPRODATA_H

  30. 

  31. /**

  32.  * @brief frequencies to divide the frequency spectrum into scale factor bands

  33.  */

  34. static const uint16_t critical_freq[] = {

  35.      100,   200,    300,    400,    510,    630,    770,

  36.      920,  1080,   1270,   1480,   1720,   2000,   2320,

  37.     2700,  3150,   3700,   4400,   5300,   6400,   7700,

  38.     9500, 12000,  15500,  20675,  28575,  41375,  63875,

  39. };

  40. 

  41. 

  42. /**

  43.  * @name Huffman tables for DPCM-coded scale factors

  44.  * @{

  45.  */

  46. #define HUFF_SCALE_SIZE    121

  47. #define HUFF_SCALE_MAXBITS  19

  48. static const uint16_t scale_huffcodes[HUFF_SCALE_SIZE] = {

  49.     0xE639, 0xE6C2, 0xE6C1, 0xE6C0, 0xE63F, 0xE63E, 0xE63D, 0xE63C,

  50.     0xE63B, 0xE63A, 0xE638, 0xE637, 0xE636, 0xE635, 0xE634, 0xE632,

  51.     0xE633, 0xE620, 0x737B, 0xE610, 0xE611, 0xE612, 0xE613, 0xE614,

  52.     0xE615, 0xE616, 0xE617, 0xE618, 0xE619, 0xE61A, 0xE61B, 0xE61C,

  53.     0xE61D, 0xE61E, 0xE61F, 0xE6C3, 0xE621, 0xE622, 0xE623, 0xE624,

  54.     0xE625, 0xE626, 0xE627, 0xE628, 0xE629, 0xE62A, 0xE62B, 0xE62C,

  55.     0xE62D, 0xE62E, 0xE62F, 0xE630, 0xE631, 0x1CDF, 0x0E60, 0x0399,

  56.     0x00E7, 0x001D, 0x0000, 0x0001, 0x0001, 0x0001, 0x0002, 0x0006,

  57.     0x0002, 0x0007, 0x0006, 0x000F, 0x0038, 0x0072, 0x039A, 0xE6C4,

  58.     0xE6C5, 0xE6C6, 0xE6C7, 0xE6C8, 0xE6C9, 0xE6CA, 0xE6CB, 0xE6CC,

  59.     0xE6CD, 0xE6CE, 0xE6CF, 0xE6D0, 0xE6D1, 0xE6D2, 0xE6D3, 0xE6D4,

  60.     0xE6D5, 0xE6D6, 0xE6D7, 0xE6D8, 0xE6D9, 0xE6DA, 0xE6DB, 0xE6DC,

  61.     0xE6DD, 0xE6DE, 0xE6DF, 0xE6E0, 0xE6E1, 0xE6E2, 0xE6E3, 0xE6E4,

  62.     0xE6E5, 0xE6E6, 0xE6E7, 0xE6E8, 0xE6E9, 0xE6EA, 0xE6EB, 0xE6EC,

  63.     0xE6ED, 0xE6EE, 0xE6EF, 0xE6F0, 0xE6F1, 0xE6F2, 0xE6F3, 0xE6F4,

  64.     0xE6F5,

  65. };

  66. 

  67. static const uint8_t scale_huffbits[HUFF_SCALE_SIZE] = {

  68.     19, 19, 19, 19, 19, 19, 19, 19,

  69.     19, 19, 19, 19, 19, 19, 19, 19,

  70.     19, 19, 18, 19, 19, 19, 19, 19,

  71.     19, 19, 19, 19, 19, 19, 19, 19,

  72.     19, 19, 19, 19, 19, 19, 19, 19,

  73.     19, 19, 19, 19, 19, 19, 19, 19,

  74.     19, 19, 19, 19, 19, 16, 15, 13,

  75.     11,  8,  5,  2,  1,  3,  5,  6,

  76.      6,  7,  7,  7,  9, 10, 13, 19,

  77.     19, 19, 19, 19, 19, 19, 19, 19,

  78.     19, 19, 19, 19, 19, 19, 19, 19,

  79.     19, 19, 19, 19, 19, 19, 19, 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,

  84. };

  85. /** @} */

  86. 

  87. 

  88. /**

  89.  * @name Huffman, run and level tables for runlevel-coded scale factors

  90.  * @{

  91.  */

  92. #define HUFF_SCALE_RL_SIZE    120

  93. #define HUFF_SCALE_RL_MAXBITS  21

  94. static const uint32_t scale_rl_huffcodes[HUFF_SCALE_RL_SIZE] = {

  95.     0x00010C, 0x000001, 0x10FE2A, 0x000003, 0x000003, 0x000001, 0x000013,

  96.     0x000020, 0x000029, 0x000014, 0x000016, 0x000045, 0x000049, 0x00002F,

  97.     0x000042, 0x00008E, 0x00008F, 0x000129, 0x000009, 0x00000D, 0x0004AC,

  98.     0x00002C, 0x000561, 0x0002E6, 0x00087C, 0x0002E2, 0x00095C, 0x000018,

  99.     0x000001, 0x000016, 0x000044, 0x00002A, 0x000007, 0x000159, 0x000143,

  100.     0x000128, 0x00015A, 0x00012D, 0x00002B, 0x0000A0, 0x000142, 0x00012A,

  101.     0x0002EF, 0x0004AF, 0x00087D, 0x004AE9, 0x0043F9, 0x000067, 0x000199,

  102.     0x002B05, 0x001583, 0x0021FE, 0x10FE2C, 0x000004, 0x00002E, 0x00010D,

  103.     0x00000A, 0x000244, 0x000017, 0x000245, 0x000011, 0x00010E, 0x00012C,

  104.     0x00002A, 0x00002F, 0x000121, 0x000046, 0x00087E, 0x0000BA, 0x000032,

  105.     0x0087F0, 0x0056DC, 0x0002EC, 0x0043FA, 0x002B6F, 0x004AE8, 0x0002B7,

  106.     0x10FE2B, 0x000001, 0x000051, 0x000010, 0x0002EE, 0x000B9C, 0x002576,

  107.     0x000198, 0x0056DD, 0x0000CD, 0x000AC0, 0x000170, 0x004AEF, 0x00002D,

  108.     0x0004AD, 0x0021FF, 0x0005CF, 0x002B04, 0x10FE29, 0x10FE28, 0x0002ED,

  109.     0x002E74, 0x021FC4, 0x004AEE, 0x010FE3, 0x087F17, 0x000000, 0x000097,

  110.     0x0002E3, 0x000ADA, 0x002575, 0x00173B, 0x0043FB, 0x002E75, 0x10FE2D,

  111.     0x0015B6, 0x00056C, 0x000057, 0x000123, 0x000120, 0x00021E, 0x000172,

  112.     0x0002B1,

  113. };

  114. 

  115. static const uint8_t scale_rl_huffbits[HUFF_SCALE_RL_SIZE] = {

  116.      9,  2, 21,  2,  4,  5,  5,

  117.      6,  6,  7,  7,  7,  7,  6,

  118.      7,  8,  8,  9, 10, 10, 11,

  119.     12, 11, 12, 12, 12, 12, 11,

  120.      4,  5,  7,  8,  9,  9,  9,

  121.      9,  9,  9,  8,  8,  9,  9,

  122.     12, 11, 12, 15, 15, 13, 15,

  123.     14, 13, 14, 21,  5,  6,  9,

  124.     10, 10, 11, 10, 11,  9,  9,

  125.      6,  8,  9,  7, 12, 10, 12,

  126.     16, 15, 12, 15, 14, 15, 10,

  127.     21,  6,  7, 11, 12, 14, 14,

  128.     15, 15, 14, 12, 11, 15, 12,

  129.     11, 14, 13, 14, 21, 21, 12,

  130.     16, 18, 15, 17, 20,  7,  8,

  131.     12, 12, 14, 15, 15, 16, 21,

  132.     13, 11,  7,  9,  9, 10, 11,

  133.     10,

  134. };

  135. 

  136. 

  137. static const uint8_t scale_rl_run[HUFF_SCALE_RL_SIZE] = {

  138.      0,  0,  0,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15,

  139.     16, 17, 18, 19, 20, 21, 22, 23, 24,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9,

  140.     10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,  0,  1,  2,  3,

  141.      4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22,

  142.     23, 24,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15, 16,

  143.     17, 18, 19, 20, 21, 22, 23, 24,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10,

  144.      0,  1,  0,  1,  0,  1,

  145. };

  146. 

  147. static const uint8_t scale_rl_level[HUFF_SCALE_RL_SIZE] = {

  148.      0,  0,  1,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,

  149.      2,  2,  2,  2,  2,  2,  2,  2,  2,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,

  150.      3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  4,  4,  4,  4,

  151.      4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,

  152.      4,  4,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,

  153.      5,  5,  5,  5,  5,  5,  5,  5,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,

  154.      7,  7,  8,  8,  9,  9,

  155. };

  156. /** @} */

  157. 

  158. 

  159. /**

  160.  * @name Huffman, run and level codes for runlevel-coded coefficients

  161.  * @{

  162.  */

  163. #define HUFF_COEF0_SIZE    272

  164. #define HUFF_COEF0_MAXBITS  21

  165. static const uint32_t coef0_huffcodes[HUFF_COEF0_SIZE] = {

  166.     0x00004A, 0x00002B, 0x000000, 0x000003, 0x000006, 0x000009, 0x00000F,

  167.     0x000010, 0x000016, 0x000011, 0x000016, 0x000028, 0x00002F, 0x000026,

  168.     0x000029, 0x000045, 0x000055, 0x00005D, 0x000042, 0x00004E, 0x000051,

  169.     0x00005E, 0x00008D, 0x0000A8, 0x0000AD, 0x000080, 0x000096, 0x00009F,

  170.     0x0000AA, 0x0000BE, 0x00011C, 0x000153, 0x000158, 0x000170, 0x000104,

  171.     0x00010D, 0x000105, 0x000103, 0x00012F, 0x000177, 0x000175, 0x000157,

  172.     0x000174, 0x000225, 0x00023B, 0x00020D, 0x00021F, 0x000281, 0x00027B,

  173.     0x000282, 0x0002AC, 0x0002FD, 0x00044F, 0x000478, 0x00044D, 0x0002EC,

  174.     0x00044E, 0x000564, 0x000409, 0x00040B, 0x000501, 0x000545, 0x0004F3,

  175.     0x000541, 0x00043B, 0x0004F1, 0x0004F4, 0x0008FD, 0x000A94, 0x000811,

  176.     0x000B88, 0x000B91, 0x000B93, 0x0008EA, 0x000899, 0x000B8A, 0x000972,

  177.     0x0009E5, 0x000A8F, 0x000A84, 0x000A8E, 0x000A00, 0x000830, 0x0008E8,

  178.     0x000B95, 0x000871, 0x00083A, 0x000814, 0x000873, 0x000BFE, 0x001728,

  179.     0x001595, 0x001712, 0x00102A, 0x001021, 0x001729, 0x00152E, 0x0013C3,

  180.     0x001721, 0x001597, 0x00151B, 0x0010F2, 0x001403, 0x001703, 0x001503,

  181.     0x001708, 0x0013C1, 0x00170E, 0x00170C, 0x0010E1, 0x0011EA, 0x001020,

  182.     0x001500, 0x0017FA, 0x001704, 0x001705, 0x0017F0, 0x0017FB, 0x0021E6,

  183.     0x002B2D, 0x0020C6, 0x002B29, 0x002E4A, 0x0023AC, 0x001519, 0x0023F3,

  184.     0x002B2C, 0x0021C0, 0x0017FE, 0x0023D7, 0x0017F9, 0x0012E7, 0x0013C0,

  185.     0x002261, 0x0023D3, 0x002057, 0x002056, 0x0021D2, 0x0020C7, 0x0023D2,

  186.     0x0020EC, 0x0044C0, 0x002FE2, 0x00475B, 0x002A03, 0x002FE3, 0x0021E2,

  187.     0x0021D0, 0x002A31, 0x002E13, 0x002E05, 0x0047E5, 0x00000E, 0x000024,

  188.     0x000088, 0x0000B9, 0x00010C, 0x000224, 0x0002B3, 0x000283, 0x0002ED,

  189.     0x00047B, 0x00041E, 0x00043D, 0x0004F5, 0x0005FD, 0x000A92, 0x000B96,

  190.     0x000838, 0x000971, 0x000B83, 0x000B80, 0x000BF9, 0x0011D3, 0x0011E8,

  191.     0x0011D7, 0x001527, 0x0011F8, 0x001073, 0x0010F0, 0x0010E4, 0x0017F8,

  192.     0x001062, 0x001402, 0x0017E3, 0x00151A, 0x001077, 0x00152B, 0x00170D,

  193.     0x0021D3, 0x002E41, 0x0013C2, 0x000029, 0x0000A9, 0x00025D, 0x000419,

  194.     0x000544, 0x000B8B, 0x0009E4, 0x0011D2, 0x001526, 0x001724, 0x0012E6,

  195.     0x00150B, 0x0017FF, 0x002E26, 0x002E4B, 0x002B28, 0x0021E3, 0x002A14,

  196.     0x00475A, 0x002E12, 0x000057, 0x00023E, 0x000A90, 0x000BF0, 0x001072,

  197.     0x001502, 0x0023D6, 0x0020ED, 0x002A30, 0x0044C7, 0x00008C, 0x00047F,

  198.     0x00152A, 0x002262, 0x002E04, 0x0000A1, 0x0005F9, 0x000173, 0x000875,

  199.     0x000171, 0x00152D, 0x0002E3, 0x0017E2, 0x0002AD, 0x0021C1, 0x000479,

  200.     0x0021E7, 0x00041F, 0x005C4E, 0x000543, 0x005C4F, 0x000A91, 0x00898D,

  201.     0x000B97, 0x008746, 0x000970, 0x008745, 0x000B85, 0x00A856, 0x00152F,

  202.     0x010E8E, 0x0010E5, 0x00A857, 0x00170F, 0x021D11, 0x002A58, 0x010E8F,

  203.     0x002E40, 0x021D13, 0x002A59, 0x043A25, 0x002A02, 0x043A21, 0x0044C1,

  204.     0x087448, 0x0047E4, 0x043A20, 0x00542A, 0x087449, 0x00898C,

  205. };

  206. 

  207. static const uint8_t coef0_huffbits[HUFF_COEF0_SIZE] = {

  208.      8,  7,  2,  3,  3,  4,  4,

  209.      5,  5,  6,  6,  6,  6,  7,

  210.      7,  7,  7,  7,  8,  8,  8,

  211.      8,  8,  8,  8,  9,  9,  9,

  212.      9,  9,  9,  9,  9,  9, 10,

  213.     10, 10, 10, 10, 10, 10, 10,

  214.     10, 10, 10, 11, 11, 11, 11,

  215.     11, 11, 11, 11, 11, 11, 11,

  216.     11, 11, 12, 12, 12, 12, 12,

  217.     12, 12, 12, 12, 12, 12, 13,

  218.     12, 12, 12, 12, 12, 12, 13,

  219.     13, 13, 13, 13, 13, 13, 12,

  220.     12, 13, 13, 13, 13, 13, 13,

  221.     13, 13, 14, 14, 13, 13, 14,

  222.     13, 13, 14, 14, 14, 14, 14,

  223.     14, 14, 14, 14, 14, 13, 14,

  224.     14, 14, 14, 14, 14, 14, 15,

  225.     14, 15, 14, 14, 14, 14, 14,

  226.     14, 15, 14, 14, 14, 14, 14,

  227.     14, 14, 15, 15, 15, 15, 14,

  228.     15, 15, 15, 15, 15, 15, 15,

  229.     15, 15, 15, 15, 15,  4,  7,

  230.      8,  9, 10, 10, 10, 11, 11,

  231.     11, 12, 12, 12, 12, 12, 12,

  232.     13, 13, 13, 13, 13, 13, 13,

  233.     13, 13, 13, 14, 14, 14, 14,

  234.     14, 14, 14, 14, 14, 13, 14,

  235.     15, 14, 14,  6,  9, 11, 12,

  236.     12, 12, 13, 13, 13, 13, 14,

  237.     14, 14, 14, 14, 14, 15, 15,

  238.     15, 15,  7, 10, 12, 13, 14,

  239.     14, 14, 15, 15, 15,  8, 11,

  240.     13, 14, 15,  9, 12,  9, 13,

  241.     10, 13, 10, 14, 11, 15, 11,

  242.     15, 12, 15, 12, 15, 12, 16,

  243.     12, 17, 13, 17, 13, 17, 13,

  244.     18, 14, 17, 14, 19, 14, 18,

  245.     14, 19, 14, 20, 15, 20, 15,

  246.     21, 15, 20, 16, 21, 16,

  247. };

  248. 

  249. 

  250. #define HUFF_COEF1_SIZE    244

  251. #define HUFF_COEF1_MAXBITS  22

  252. static const uint32_t coef1_huffcodes[HUFF_COEF1_SIZE] = {

  253.     0x0001E2, 0x00007F, 0x000000, 0x000002, 0x000008, 0x00000E, 0x000019,

  254.     0x00002F, 0x000037, 0x000060, 0x00006C, 0x000095, 0x0000C6, 0x0000F0,

  255.     0x00012E, 0x000189, 0x0001A5, 0x0001F8, 0x000253, 0x00030A, 0x000344,

  256.     0x00034D, 0x0003F2, 0x0004BD, 0x0005D7, 0x00062A, 0x00068B, 0x000693,

  257.     0x000797, 0x00097D, 0x000BAB, 0x000C52, 0x000C5E, 0x000D21, 0x000D20,

  258.     0x000F1A, 0x000FCE, 0x000FD1, 0x0012F1, 0x001759, 0x0018AC, 0x0018A7,

  259.     0x0018BF, 0x001A2B, 0x001E52, 0x001E50, 0x001E31, 0x001FB8, 0x0025E6,

  260.     0x0025E7, 0x002EB4, 0x002EB7, 0x003169, 0x00315B, 0x00317C, 0x00316C,

  261.     0x0034CA, 0x00348D, 0x003F40, 0x003CA2, 0x003F76, 0x004BC3, 0x004BE5,

  262.     0x003F73, 0x004BF8, 0x004BF9, 0x006131, 0x00628B, 0x006289, 0x0062DA,

  263.     0x00628A, 0x0062D4, 0x006997, 0x0062B4, 0x006918, 0x00794D, 0x007E7B,

  264.     0x007E87, 0x007EEA, 0x00794E, 0x00699D, 0x007967, 0x00699F, 0x0062DB,

  265.     0x007E7A, 0x007EEB, 0x00BAC0, 0x0097C9, 0x00C537, 0x00C5AB, 0x00D233,

  266.     0x00D338, 0x00BAC1, 0x00D23D, 0x012F91, 0x00D339, 0x00FDC8, 0x00D23C,

  267.     0x00FDDC, 0x00FDC9, 0x00FDDD, 0x00D33C, 0x000003, 0x000016, 0x00003E,

  268.     0x0000C3, 0x0001A1, 0x000347, 0x00062E, 0x000BAA, 0x000F2D, 0x001A2A,

  269.     0x001E58, 0x00309B, 0x003CA3, 0x005D6A, 0x00629A, 0x006996, 0x00794F,

  270.     0x007EE5, 0x00BAD7, 0x00C5AA, 0x00C5F4, 0x00FDDF, 0x00FDDE, 0x018A20,

  271.     0x018A6D, 0x01A67B, 0x01A464, 0x025F21, 0x01F9E2, 0x01F9E3, 0x00000A,

  272.     0x00003D, 0x000128, 0x0003C7, 0x000C24, 0x0018A3, 0x002EB1, 0x003CB2,

  273.     0x00691F, 0x007E79, 0x000013, 0x0000BB, 0x00034E, 0x000D14, 0x0025FD,

  274.     0x004BE7, 0x000024, 0x000188, 0x0007EF, 0x000035, 0x000308, 0x0012F2,

  275.     0x00005C, 0x0003F6, 0x0025E0, 0x00006D, 0x000698, 0x000096, 0x000C25,

  276.     0x0000C7, 0x000F1B, 0x0000F3, 0x0012FF, 0x000174, 0x001A66, 0x0001A0,

  277.     0x003099, 0x0001E4, 0x00316B, 0x000252, 0x003F31, 0x00030B, 0x004BE6,

  278.     0x000346, 0x0062FB, 0x00034F, 0x007966, 0x0003F5, 0x007E86, 0x0005D4,

  279.     0x00C511, 0x00062C, 0x00C5F5, 0x000692, 0x00F299, 0x000795, 0x00F298,

  280.     0x0007E9, 0x018A21, 0x00097E, 0x0175AD, 0x000C27, 0x01A67A, 0x000C57,

  281.     0x02EB59, 0x000D22, 0x0314D9, 0x000F19, 0x03F3C2, 0x000FCD, 0x0348CB,

  282.     0x0012F8, 0x04BE41, 0x0018A0, 0x03F3C1, 0x0018A1, 0x04BE40, 0x0018B7,

  283.     0x0629B0, 0x001A64, 0x0D2329, 0x001E30, 0x03F3C3, 0x001F9F, 0x0BAD62,

  284.     0x001F99, 0x0FCF00, 0x00309A, 0x0629B1, 0x002EB6, 0x175AC3, 0x00314C,

  285.     0x069195, 0x003168, 0x0BAD63, 0x00348E, 0x175AC1, 0x003F30, 0x07E781,

  286.     0x003F41, 0x0D2328, 0x003F42, 0x1F9E03, 0x004BC2, 0x175AC2, 0x003F74,

  287.     0x175AC0, 0x005D61, 0x3F3C05, 0x006130, 0x3F3C04, 0x0062B5,

  288. };

  289. 

  290. static const uint8_t coef1_huffbits[HUFF_COEF1_SIZE] = {

  291.      9,  7,  2,  3,  4,  4,  5,

  292.      6,  6,  7,  7,  8,  8,  8,

  293.      9,  9,  9,  9, 10, 10, 10,

  294.     10, 10, 11, 11, 11, 11, 11,

  295.     11, 12, 12, 12, 12, 12, 12,

  296.     12, 12, 12, 13, 13, 13, 13,

  297.     13, 13, 13, 13, 13, 13, 14,

  298.     14, 14, 14, 14, 14, 14, 14,

  299.     14, 14, 14, 14, 14, 15, 15,

  300.     14, 15, 15, 15, 15, 15, 15,

  301.     15, 15, 15, 15, 15, 15, 15,

  302.     15, 15, 15, 15, 15, 15, 15,

  303.     15, 15, 16, 16, 16, 16, 16,

  304.     16, 16, 16, 17, 16, 16, 16,

  305.     16, 16, 16, 16,  3,  5,  6,

  306.      8,  9, 10, 11, 12, 12, 13,

  307.     13, 14, 14, 15, 15, 15, 15,

  308.     15, 16, 16, 16, 16, 16, 17,

  309.     17, 17, 17, 18, 17, 17,  4,

  310.      6,  9, 10, 12, 13, 14, 14,

  311.     15, 15,  5,  8, 10, 12, 14,

  312.     15,  6,  9, 11,  6, 10, 13,

  313.      7, 10, 14,  7, 11,  8, 12,

  314.      8, 12,  8, 13,  9, 13,  9,

  315.     14,  9, 14, 10, 14, 10, 15,

  316.     10, 15, 10, 15, 10, 15, 11,

  317.     16, 11, 16, 11, 16, 11, 16,

  318.     11, 17, 12, 17, 12, 17, 12,

  319.     18, 12, 18, 12, 18, 12, 18,

  320.     13, 19, 13, 18, 13, 19, 13,

  321.     19, 13, 20, 13, 18, 13, 20,

  322.     13, 20, 14, 19, 14, 21, 14,

  323.     19, 14, 20, 14, 21, 14, 19,

  324.     14, 20, 14, 21, 15, 21, 14,

  325.     21, 15, 22, 15, 22, 15,

  326. };

  327. 

  328. 

  329. static const uint16_t coef0_run[HUFF_COEF0_SIZE] = {

  330.       0,   0,   0,   1,   2,   3,   4,   5,   6,   7,   8,   9,  10,  11,

  331.      12,  13,  14,  15,  16,  17,  18,  19,  20,  21,  22,  23,  24,  25,

  332.      26,  27,  28,  29,  30,  31,  32,  33,  34,  35,  36,  37,  38,  39,

  333.      40,  41,  42,  43,  44,  45,  46,  47,  48,  49,  50,  51,  52,  53,

  334.      54,  55,  56,  57,  58,  59,  60,  61,  62,  63,  64,  65,  66,  67,

  335.      68,  69,  70,  71,  72,  73,  74,  75,  76,  77,  78,  79,  80,  81,

  336.      82,  83,  84,  85,  86,  87,  88,  89,  90,  91,  92,  93,  94,  95,

  337.      96,  97,  98,  99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109,

  338.     110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123,

  339.     124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137,

  340.     138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149,   0,   1,

  341.       2,   3,   4,   5,   6,   7,   8,   9,  10,  11,  12,  13,  14,  15,

  342.      16,  17,  18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29,

  343.      30,  31,  32,  33,  34,  35,  36,  37,  38,  39,   0,   1,   2,   3,

  344.       4,   5,   6,   7,   8,   9,  10,  11,  12,  13,  14,  15,  16,  17,

  345.      18,  19,   0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   0,   1,

  346.       2,   3,   4,   0,   1,   0,   1,   0,   1,   0,   1,   0,   1,   0,

  347.       1,   0,   1,   0,   1,   0,   1,   0,   1,   0,   1,   0,   1,   0,

  348.       1,   0,   1,   0,   1,   0,   1,   0,   1,   0,   1,   0,   1,   0,

  349.       1,   0,   1,   0,   1,   0,

  350. };

  351. 

  352. static const uint16_t coef0_level[HUFF_COEF0_SIZE] = {

  353.       0,   0,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,

  354.       1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,

  355.       1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,   1,

  356.       1,   1,   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,   2,   2,

  364.       2,   2,   2,   2,   2,   2,   2,   2,   2,   2,   2,   2,   2,   2,

  365.       2,   2,   2,   2,   2,   2,   2,   2,   2,   2,   2,   2,   2,   2,

  366.       2,   2,   2,   2,   2,   2,   2,   2,   2,   2,   3,   3,   3,   3,

  367.       3,   3,   3,   3,   3,   3,   3,   3,   3,   3,   3,   3,   3,   3,

  368.       3,   3,   4,   4,   4,   4,   4,   4,   4,   4,   4,   4,   5,   5,

  369.       5,   5,   5,   6,   6,   7,   7,   8,   8,   9,   9,  10,  10,  11,

  370.      11,  12,  12,  13,  13,  14,  14,  15,  15,  16,  16,  17,  17,  18,

  371.      18,  19,  19,  20,  20,  21,  21,  22,  22,  23,  23,  24,  24,  25,

  372.      25,  26,  26,  27,  27,  28,

  373. };

  374. 

  375. 

  376. static const uint16_t coef1_run[HUFF_COEF1_SIZE] = {

  377.      0,  0,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15,

  378.     16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33,

  379.     34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51,

  380.     52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69,

  381.     70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87,

  382.     88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99,  0,  1,  2,  3,  4,  5,

  383.      6,  7,  8,  9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,

  384.     24, 25, 26, 27, 28, 29,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  0,  1,

  385.      2,  3,  4,  5,  0,  1,  2,  0,  1,  2,  0,  1,  2,  0,  1,  0,  1,  0,

  386.      1,  0,  1,  0,  1,  0,  1,  0,  1,  0,  1,  0,  1,  0,  1,  0,  1,  0,

  387.      1,  0,  1,  0,  1,  0,  1,  0,  1,  0,  1,  0,  1,  0,  1,  0,  1,  0,

  388.      1,  0,  1,  0,  1,  0,  1,  0,  1,  0,  1,  0,  1,  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,  0,  0,

  391. };

  392. 

  393. static const uint16_t coef1_level[HUFF_COEF1_SIZE] = {

  394.      0,  0,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,

  395.      1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,

  396.      1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,

  397.      1,  1,  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,  2,  2,  2,  2,  2,  2,

  400.      2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,

  401.      2,  2,  2,  2,  2,  2,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  4,  4,

  402.      4,  4,  4,  4,  5,  5,  5,  6,  6,  6,  7,  7,  7,  8,  8,  9,  9, 10,

  403.     10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 16, 16, 17, 17, 18, 18, 19,

  404.     19, 20, 20, 21, 21, 22, 22, 23, 23, 24, 24, 25, 25, 26, 26, 27, 27, 28,

  405.     28, 29, 29, 30, 30, 31, 31, 32, 32, 33, 33, 34, 34, 35, 35, 36, 36, 37,

  406.     37, 38, 38, 39, 39, 40, 40, 41, 41, 42, 42, 43, 43, 44, 44, 45, 45, 46,

  407.     46, 47, 47, 48, 48, 49, 49, 50, 51, 52,

  408. };

  409. /** @} */

  410. 

  411. 

  412. /**

  413.  * @name Huffman and vector lookup tables for vector-coded coefficients

  414.  * @{

  415.  */

  416. #define HUFF_VEC4_SIZE    127

  417. #define HUFF_VEC4_MAXBITS  14

  418. static const uint16_t vec4_huffcodes[HUFF_VEC4_SIZE] = {

  419.     0x0019, 0x0027, 0x00F2, 0x03BA, 0x0930, 0x1267, 0x0031, 0x0030,

  420.     0x0097, 0x0221, 0x058B, 0x0124, 0x00EB, 0x01D4, 0x03D8, 0x0584,

  421.     0x0364, 0x045F, 0x0F66, 0x0931, 0x24CD, 0x002F, 0x0039, 0x00E8,

  422.     0x02C3, 0x078A, 0x0037, 0x0029, 0x0084, 0x01B1, 0x00ED, 0x0086,

  423.     0x00F9, 0x03AB, 0x01EB, 0x08BC, 0x011E, 0x00F3, 0x0220, 0x058A,

  424.     0x00EC, 0x008E, 0x012B, 0x01EA, 0x0119, 0x04B0, 0x04B1, 0x03B8,

  425.     0x0691, 0x0365, 0x01ED, 0x049A, 0x0EA9, 0x0EA8, 0x08BD, 0x24CC,

  426.     0x0026, 0x0035, 0x00DB, 0x02C4, 0x07B2, 0x0038, 0x002B, 0x007F,

  427.     0x01B3, 0x00F4, 0x0091, 0x0116, 0x03BB, 0x0215, 0x0932, 0x002D,

  428.     0x002A, 0x008A, 0x01DE, 0x0028, 0x0020, 0x005C, 0x0090, 0x0068,

  429.     0x01EE, 0x00E9, 0x008D, 0x012A, 0x0087, 0x005D, 0x0118, 0x0349,

  430.     0x01EF, 0x01E3, 0x08B9, 0x00F0, 0x00D3, 0x0214, 0x049B, 0x00DA,

  431.     0x0089, 0x0125, 0x0217, 0x012D, 0x0690, 0x0094, 0x007D, 0x011F,

  432.     0x007E, 0x0059, 0x0127, 0x01A5, 0x0111, 0x00F8, 0x045D, 0x03B9,

  433.     0x0259, 0x0580, 0x02C1, 0x01DF, 0x0585, 0x0216, 0x0163, 0x01B0,

  434.     0x03C4, 0x08B8, 0x078B, 0x0755, 0x0581, 0x0F67, 0x0000,

  435. };

  436. 

  437. static const uint8_t vec4_huffbits[HUFF_VEC4_SIZE] = {

  438.      5,  6,  8, 10, 12, 13,  6,  6,

  439.      8, 10, 11,  9,  8,  9, 10, 11,

  440.     10, 11, 12, 12, 14,  6,  6,  8,

  441.     10, 11,  6,  6,  8,  9,  8,  8,

  442.      8, 10,  9, 12,  9,  8, 10, 11,

  443.      8,  8,  9,  9,  9, 11, 11, 10,

  444.     11, 10,  9, 11, 12, 12, 12, 14,

  445.      6,  6,  8, 10, 11,  6,  6,  7,

  446.      9,  8,  8,  9, 10, 10, 12,  6,

  447.      6,  8,  9,  6,  6,  7,  8,  7,

  448.      9,  8,  8,  9,  8,  7,  9, 10,

  449.      9,  9, 12,  8,  8, 10, 11,  8,

  450.      8,  9, 10,  9, 11,  8,  7,  9,

  451.      7,  7,  9,  9,  9,  8, 11, 10,

  452.     10, 11, 10,  9, 11, 10,  9,  9,

  453.     10, 12, 11, 11, 11, 12,  1,

  454. };

  455. 

  456. 

  457. #define HUFF_VEC2_SIZE    137

  458. #define HUFF_VEC2_MAXBITS  12

  459. static const uint16_t vec2_huffcodes[HUFF_VEC2_SIZE] = {

  460.     0x055, 0x01C, 0x01A, 0x02B, 0x028, 0x067, 0x08B, 0x039,

  461.     0x170, 0x10D, 0x2A5, 0x047, 0x464, 0x697, 0x523, 0x8CB,

  462.     0x01B, 0x00E, 0x000, 0x010, 0x012, 0x036, 0x048, 0x04C,

  463.     0x0C2, 0x09B, 0x171, 0x03B, 0x224, 0x34A, 0x2D6, 0x019,

  464.     0x00F, 0x002, 0x014, 0x017, 0x006, 0x05D, 0x054, 0x0C7,

  465.     0x0B4, 0x192, 0x10E, 0x233, 0x043, 0x02C, 0x00F, 0x013,

  466.     0x006, 0x02F, 0x02C, 0x068, 0x077, 0x0DF, 0x111, 0x1A4,

  467.     0x16A, 0x2A4, 0x027, 0x011, 0x018, 0x02D, 0x00F, 0x04A,

  468.     0x040, 0x097, 0x01F, 0x11B, 0x022, 0x16D, 0x066, 0x035,

  469.     0x005, 0x02B, 0x049, 0x009, 0x075, 0x0CB, 0x0AA, 0x187,

  470.     0x106, 0x08A, 0x047, 0x060, 0x06E, 0x01D, 0x074, 0x0C4,

  471.     0x01E, 0x118, 0x1A7, 0x038, 0x042, 0x053, 0x076, 0x0A8,

  472.     0x0CA, 0x082, 0x110, 0x18D, 0x12D, 0x0B9, 0x0C8, 0x0DE,

  473.     0x01C, 0x0AB, 0x113, 0x18C, 0x10F, 0x09A, 0x0A5, 0x0B7,

  474.     0x11A, 0x186, 0x1A6, 0x259, 0x153, 0x18A, 0x193, 0x020,

  475.     0x10C, 0x046, 0x03A, 0x107, 0x149, 0x16C, 0x2D7, 0x225,

  476.     0x258, 0x316, 0x696, 0x317, 0x042, 0x522, 0x290, 0x8CA,

  477.     0x001,

  478. };

  479. 

  480. static const uint8_t vec2_huffbits[HUFF_VEC2_SIZE] = {

  481.      7,  6,  6,  6,  7,  7,  8,  9,

  482.      9, 10, 10, 11, 11, 11, 12, 12,

  483.      6,  4,  5,  5,  6,  6,  7,  8,

  484.      8,  9,  9, 10, 10, 10, 11,  6,

  485.      4,  5,  5,  6,  7,  7,  8,  8,

  486.      9,  9, 10, 10, 11,  6,  5,  5,

  487.      6,  6,  7,  7,  8,  8,  9,  9,

  488.     10, 10,  7,  6,  6,  6,  7,  7,

  489.      8,  8,  9,  9, 10, 10,  7,  6,

  490.      7,  7,  7,  8,  8,  8,  9,  9,

  491.     10,  8,  7,  7,  7,  8,  8,  8,

  492.      9,  9,  9,  9,  8,  8,  8,  8,

  493.      8,  9,  9,  9,  9,  8,  8,  8,

  494.      9,  9,  9,  9, 10,  9,  9,  9,

  495.      9,  9,  9, 10,  9,  9,  9, 10,

  496.     10, 11, 10, 10, 10, 10, 11, 10,

  497.     10, 10, 11, 10, 11, 12, 11, 12,

  498.      3,

  499. };

  500. 

  501. 

  502. #define HUFF_VEC1_SIZE    101

  503. #define HUFF_VEC1_MAXBITS  11

  504. static const uint16_t vec1_huffcodes[HUFF_VEC1_SIZE] = {

  505.     0x01A, 0x003, 0x017, 0x010, 0x00C, 0x009, 0x005, 0x000,

  506.     0x00D, 0x00A, 0x009, 0x00C, 0x00F, 0x002, 0x004, 0x007,

  507.     0x00B, 0x00F, 0x01C, 0x006, 0x010, 0x015, 0x01C, 0x022,

  508.     0x03B, 0x00E, 0x019, 0x023, 0x034, 0x036, 0x03A, 0x047,

  509.     0x008, 0x00A, 0x01E, 0x031, 0x037, 0x050, 0x053, 0x06B,

  510.     0x06F, 0x08C, 0x0E8, 0x0EA, 0x0EB, 0x016, 0x03E, 0x03F,

  511.     0x06C, 0x089, 0x08A, 0x0A3, 0x0A4, 0x0D4, 0x0DD, 0x0EC,

  512.     0x0EE, 0x11A, 0x1D2, 0x024, 0x025, 0x02E, 0x027, 0x0C2,

  513.     0x0C0, 0x0DA, 0x0DB, 0x111, 0x144, 0x116, 0x14A, 0x145,

  514.     0x1B8, 0x1AB, 0x1DA, 0x1DE, 0x1DB, 0x1DF, 0x236, 0x237,

  515.     0x3A6, 0x3A7, 0x04D, 0x04C, 0x05E, 0x05F, 0x183, 0x182,

  516.     0x186, 0x221, 0x187, 0x220, 0x22E, 0x22F, 0x296, 0x354,

  517.     0x297, 0x355, 0x372, 0x373, 0x016,

  518. };

  519. 

  520. static const uint8_t vec1_huffbits[HUFF_VEC1_SIZE] = {

  521.      7,  6,  5,  5,  5,  5,  5,  5,

  522.      4,  4,  4,  4,  4,  5,  5,  5,

  523.      5,  5,  5,  6,  6,  6,  6,  6,

  524.      6,  7,  7,  7,  7,  7,  7,  7,

  525.      8,  8,  8,  8,  8,  8,  8,  8,

  526.      8,  8,  8,  8,  8,  9,  9,  9,

  527.      9,  9,  9,  9,  9,  9,  9,  9,

  528.      9,  9,  9, 10, 10, 10, 10, 10,

  529.     10, 10, 10, 10, 10, 10, 10, 10,

  530.     10, 10, 10, 10, 10, 10, 10, 10,

  531.     10, 10, 11, 11, 11, 11, 11, 11,

  532.     11, 11, 11, 11, 11, 11, 11, 11,

  533.     11, 11, 11, 11,  5,

  534. };

  535. 

  536. 

  537. static const uint16_t symbol_to_vec4[HUFF_VEC4_SIZE] = {

  538.         0,    1,      2,     3,     4,     5,    16,    17,    18,    19,

  539.        20,   32,     33,    34,    35,    48,    49,    50,    64,    65,

  540.        80,   256,   257,   258,   259,   260,   272,   273,   274,   275,

  541.       288,   289,   290,   304,   305,   320,   512,   513,   514,   515,

  542.       528,   529,   530,   544,   545,   560,   768,   769,   770,   784,

  543.       785,   800,  1024,  1025,  1040,  1280,  4096,  4097,  4098,  4099,

  544.      4100,  4112,  4113,  4114,  4115,  4128,  4129,  4130,  4144,  4145,

  545.      4160,  4352,  4353,  4354,  4355,  4368,  4369,  4370,  4384,  4385,

  546.      4400,  4608,  4609,  4610,  4624,  4625,  4640,  4864,  4865,  4880,

  547.      5120,  8192,  8193,  8194,  8195,  8208,  8209,  8210,  8224,  8225,

  548.      8240,  8448,  8449,  8450,  8464,  8465,  8480,  8704,  8705,  8720,

  549.      8960, 12288, 12289, 12290, 12304, 12305, 12320, 12544, 12545, 12560,

  550.     12800, 16384, 16385, 16400, 16640, 20480,     0,

  551. };

  552. 

  553. 

  554. static const uint8_t symbol_to_vec2[HUFF_VEC2_SIZE] = {

  555.       0,   1,   2,   3,   4,   5,   6,   7,   8,   9,  10,  11,  12,  13,  14,

  556.      15,  16,  17,  18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29,

  557.      30,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,  44,  45,

  558.      48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59,  60,  64,  65,

  559.      66,  67,  68,  69,  70,  71,  72,  73,  74,  75,  80,  81,  82,  83,  84,

  560.      85,  86,  87,  88,  89,  90,  96,  97,  98,  99, 100, 101, 102, 103, 104,

  561.     105, 112, 113, 114, 115, 116, 117, 118, 119, 120, 128, 129, 130, 131, 132,

  562.     133, 134, 135, 144, 145, 146, 147, 148, 149, 150, 160, 161, 162, 163, 164,

  563.     165, 176, 177, 178, 179, 180, 192, 193, 194, 195, 208, 209, 210, 224, 225,

  564.     240,   0,

  565. };

  566. /** @} */

  567. 

  568. 

  569. /**

  570.  * @brief decorrelation matrix for multichannel streams

  571.  **/

  572. static const float default_decorrelation_matrices[] = {

  573.     1.000000,  0.707031, -0.707031,  0.707031,  0.707031,  0.578125,  0.707031,

  574.     0.410156,  0.578125, -0.707031,  0.410156,  0.578125,  0.000000, -0.816406,

  575.     0.500000,  0.652344,  0.500000,  0.269531,  0.500000,  0.269531, -0.500000,

  576.    -0.652344,  0.500000, -0.269531, -0.500000,  0.652344,  0.500000, -0.652344,

  577.     0.500000, -0.269531,  0.445312,  0.601562,  0.511719,  0.371094,  0.195312,

  578.     0.445312,  0.371094, -0.195312, -0.601562, -0.511719,  0.445312,  0.000000,

  579.    -0.632812,  0.000000,  0.632812,  0.445312, -0.371094, -0.195312,  0.601562,

  580.    -0.511719,  0.445312, -0.601562,  0.511719, -0.371094,  0.195312,  0.410156,

  581.     0.558594,  0.500000,  0.410156,  0.289062,  0.148438,  0.410156,  0.410156,

  582.     0.000000, -0.410156, -0.578125, -0.410156,  0.410156,  0.148438, -0.500000,

  583.    -0.410156,  0.289062,  0.558594,  0.410156, -0.148438, -0.500000,  0.410156,

  584.     0.289062, -0.558594,  0.410156, -0.410156,  0.000000,  0.410156, -0.578125,

  585.     0.410156,  0.410156, -0.558594,  0.500000, -0.410156,  0.289062, -0.148438,

  586. };

  587. 

  588. /**

  589.  * @brief default decorrelation matrix offsets

  590.  */

  591. static const float *default_decorrelation[] = {

  592.     NULL,

  593.     &default_decorrelation_matrices[0],

  594.     &default_decorrelation_matrices[1],

  595.     &default_decorrelation_matrices[5],

  596.     &default_decorrelation_matrices[14],

  597.     &default_decorrelation_matrices[30],

  598.     &default_decorrelation_matrices[55]

  599. };

  600. 

  601. #endif /* AVCODEC_WMAPRODATA_H */