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FFmpeg/libavcodec/qdm2data.h

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  1. /*

  2.  * QDM2 compatible decoder

  3.  * Copyright (c) 2003 Ewald Snel

  4.  * Copyright (c) 2005 Benjamin Larsson

  5.  * Copyright (c) 2005 Alex Beregszaszi

  6.  * Copyright (c) 2005 Roberto Togni

  7.  *

  8.  * This library 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 of the License, or (at your option) any later version.

  12.  *

  13.  * This library 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 this library; if not, write to the Free Software

  20.  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

  21.  *

  22.  */

  23.  

  24.  /**

  25.  * @file qdm2data.h

  26.  * Various QDM2 tables.

  27.  */

  28. 

  29. #ifndef QDM2DATA_H

  30. #define QDM2DATA_H

  31. 

  32. /** VLC TABLES **/

  33. 

  34. /* values in this table range from -1..23; adjust retrieved value by -1 */

  35. static uint16_t vlc_tab_level_huffcodes[24] = {

  36.     0x037c, 0x0004, 0x003c, 0x004c, 0x003a, 0x002c, 0x001c, 0x001a,

  37.     0x0024, 0x0014, 0x0001, 0x0002, 0x0000, 0x0003, 0x0007, 0x0005,

  38.     0x0006, 0x0008, 0x0009, 0x000a, 0x000c, 0x00fc, 0x007c, 0x017c

  39. };

  40. 

  41. static uint8_t vlc_tab_level_huffbits[24] = {

  42.     10, 6, 7, 7, 6, 6, 6, 6, 6, 5, 4, 4, 4, 3, 3, 3, 3, 4, 4, 5, 7, 8, 9, 10

  43. };

  44. 

  45. /* values in this table range from -1..36; adjust retrieved value by -1 */

  46. static uint16_t vlc_tab_diff_huffcodes[37] = {

  47.     0x1c57, 0x0004, 0x0000, 0x0001, 0x0003, 0x0002, 0x000f, 0x000e,

  48.     0x0007, 0x0016, 0x0037, 0x0027, 0x0026, 0x0066, 0x0006, 0x0097,

  49.     0x0046, 0x01c6, 0x0017, 0x0786, 0x0086, 0x0257, 0x00d7, 0x0357,

  50.     0x00c6, 0x0386, 0x0186, 0x0000, 0x0157, 0x0c57, 0x0057, 0x0000,

  51.     0x0b86, 0x0000, 0x1457, 0x0000, 0x0457

  52. };

  53. 

  54. static uint8_t vlc_tab_diff_huffbits[37] = {

  55.     13, 3, 3, 2, 3, 3, 4, 4, 6, 5, 6, 6, 7, 7, 8, 8,

  56.     8, 9, 8, 11, 9, 10, 8, 10, 9, 12, 10, 0, 10, 13, 11, 0,

  57.     12, 0, 13, 0, 13

  58. };

  59. 

  60. /* values in this table range from -1..5; adjust retrieved value by -1 */

  61. static uint8_t vlc_tab_run_huffcodes[6] = {

  62.     0x1f, 0x00, 0x01, 0x03, 0x07, 0x0f

  63. };

  64. 

  65. static uint8_t vlc_tab_run_huffbits[6] = {

  66.     5, 1, 2, 3, 4, 5

  67. };

  68. 

  69. /* values in this table range from -1..19; adjust retrieved value by -1 */

  70. static uint16_t vlc_tab_tone_level_idx_hi1_huffcodes[20] = {

  71.     0x5714, 0x000c, 0x0002, 0x0001, 0x0000, 0x0004, 0x0034, 0x0054,

  72.     0x0094, 0x0014, 0x0114, 0x0214, 0x0314, 0x0614, 0x0e14, 0x0f14,

  73.     0x2714, 0x0714, 0x1714, 0x3714

  74. };

  75. 

  76. static uint8_t vlc_tab_tone_level_idx_hi1_huffbits[20] = {

  77.     15, 4, 2, 1, 3, 5, 6, 7, 8, 10, 10, 11, 11, 12, 12, 12, 14, 14, 15, 14

  78. };

  79. 

  80. /* values in this table range from -1..23; adjust retrieved value by -1 */

  81. static uint16_t vlc_tab_tone_level_idx_mid_huffcodes[24] = {

  82.     0x0fea, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,

  83.     0x0000, 0x0000, 0x0000, 0x0000, 0x03ea, 0x00ea, 0x002a, 0x001a,

  84.     0x0006, 0x0001, 0x0000, 0x0002, 0x000a, 0x006a, 0x01ea, 0x07ea

  85. };

  86. 

  87. static uint8_t vlc_tab_tone_level_idx_mid_huffbits[24] = {

  88.     12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 11, 9, 7, 5, 3, 1, 2, 4, 6, 8, 10, 12

  89. };

  90. 

  91. /* values in this table range from -1..23; adjust retrieved value by -1 */

  92. static uint16_t vlc_tab_tone_level_idx_hi2_huffcodes[24] = {

  93.     0x0664, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0064, 0x00e4,

  94.     0x00a4, 0x0068, 0x0004, 0x0008, 0x0014, 0x0018, 0x0000, 0x0001,

  95.     0x0002, 0x0003, 0x000c, 0x0028, 0x0024, 0x0164, 0x0000, 0x0264

  96. };

  97. 

  98. static uint8_t vlc_tab_tone_level_idx_hi2_huffbits[24] = {

  99.     11, 0, 0, 0, 0, 0, 10, 8, 8, 7, 6, 6, 5, 5, 4, 2, 2, 2, 4, 7, 8, 9, 0, 11

  100. };

  101. 

  102. /* values in this table range from -1..8; adjust retrieved value by -1 */

  103. static uint8_t vlc_tab_type30_huffcodes[9] = {

  104.     0x3c, 0x06, 0x00, 0x01, 0x03, 0x02, 0x04, 0x0c, 0x1c

  105. };

  106. 

  107. static uint8_t vlc_tab_type30_huffbits[9] = {

  108.     6, 3, 3, 2, 2, 3, 4, 5, 6

  109. };

  110. 

  111. /* values in this table range from -1..9; adjust retrieved value by -1 */

  112. static uint8_t vlc_tab_type34_huffcodes[10] = {

  113.     0x18, 0x00, 0x01, 0x04, 0x05, 0x07, 0x03, 0x02, 0x06, 0x08

  114. };

  115. 

  116. static uint8_t vlc_tab_type34_huffbits[10] = {

  117.     5, 4, 3, 3, 3, 3, 3, 3, 3, 5

  118. };

  119. 

  120. /* values in this table range from -1..22; adjust retrieved value by -1 */

  121. static uint16_t vlc_tab_fft_tone_offset_0_huffcodes[23] = {

  122.     0x038e, 0x0001, 0x0000, 0x0022, 0x000a, 0x0006, 0x0012, 0x0002,

  123.     0x001e, 0x003e, 0x0056, 0x0016, 0x000e, 0x0032, 0x0072, 0x0042,

  124.     0x008e, 0x004e, 0x00f2, 0x002e, 0x0036, 0x00c2, 0x018e

  125. };

  126. 

  127. static uint8_t vlc_tab_fft_tone_offset_0_huffbits[23] = {

  128.     10, 1, 2, 6, 4, 5, 6, 7, 6, 6, 7, 7, 8, 7, 8, 8, 9, 7, 8, 6, 6, 8, 10

  129. };

  130. 

  131. /* values in this table range from -1..27; adjust retrieved value by -1 */

  132. static uint16_t vlc_tab_fft_tone_offset_1_huffcodes[28] = {

  133.     0x07a4, 0x0001, 0x0020, 0x0012, 0x001c, 0x0008, 0x0006, 0x0010,

  134.     0x0000, 0x0014, 0x0004, 0x0032, 0x0070, 0x000c, 0x0002, 0x003a,

  135.     0x001a, 0x002c, 0x002a, 0x0022, 0x0024, 0x000a, 0x0064, 0x0030,

  136.     0x0062, 0x00a4, 0x01a4, 0x03a4

  137. };

  138. 

  139. static uint8_t vlc_tab_fft_tone_offset_1_huffbits[28] = {

  140.     11, 1, 6, 6, 5, 4, 3, 6, 6, 5, 6, 6, 7, 6, 6, 6,

  141.     6, 6, 6, 7, 8, 6, 7, 7, 7, 9, 10, 11

  142. };

  143. 

  144. /* values in this table range from -1..31; adjust retrieved value by -1 */

  145. static uint16_t vlc_tab_fft_tone_offset_2_huffcodes[32] = {

  146.     0x1760, 0x0001, 0x0000, 0x0082, 0x000c, 0x0006, 0x0003, 0x0007,

  147.     0x0008, 0x0004, 0x0010, 0x0012, 0x0022, 0x001a, 0x0000, 0x0020,

  148.     0x000a, 0x0040, 0x004a, 0x006a, 0x002a, 0x0042, 0x0002, 0x0060,

  149.     0x00aa, 0x00e0, 0x00c2, 0x01c2, 0x0160, 0x0360, 0x0760, 0x0f60

  150. };

  151. 

  152. static uint8_t vlc_tab_fft_tone_offset_2_huffbits[32] = {

  153.     13, 2, 0, 8, 4, 3, 3, 3, 4, 4, 5, 5, 6, 5, 7, 7,

  154.     7, 7, 7, 7, 8, 8, 8, 9, 8, 8, 9, 9, 10, 11, 13, 12

  155. };

  156. 

  157. /* values in this table range from -1..34; adjust retrieved value by -1 */

  158. static uint16_t vlc_tab_fft_tone_offset_3_huffcodes[35] = {

  159.     0x33ea, 0x0005, 0x0000, 0x000c, 0x0000, 0x0006, 0x0003, 0x0008,

  160.     0x0002, 0x0001, 0x0004, 0x0007, 0x001a, 0x000f, 0x001c, 0x002c,

  161.     0x000a, 0x001d, 0x002d, 0x002a, 0x000d, 0x004c, 0x008c, 0x006a,

  162.     0x00cd, 0x004d, 0x00ea, 0x020c, 0x030c, 0x010c, 0x01ea, 0x07ea,

  163.     0x0bea, 0x03ea, 0x13ea

  164. };

  165. 

  166. static uint8_t vlc_tab_fft_tone_offset_3_huffbits[35] = {

  167.     14, 4, 0, 10, 4, 3, 3, 4, 4, 3, 4, 4, 5, 4, 5, 6,

  168.     6, 5, 6, 7, 7, 7, 8, 8, 8, 8, 9, 10, 10, 10, 10, 11,

  169.     12, 13, 14

  170. };

  171. 

  172. /* values in this table range from -1..37; adjust retrieved value by -1 */

  173. static uint16_t vlc_tab_fft_tone_offset_4_huffcodes[38] = {

  174.     0x5282, 0x0016, 0x0000, 0x0136, 0x0004, 0x0000, 0x0007, 0x000a,

  175.     0x000e, 0x0003, 0x0001, 0x000d, 0x0006, 0x0009, 0x0012, 0x0005,

  176.     0x0025, 0x0022, 0x0015, 0x0002, 0x0076, 0x0035, 0x0042, 0x00c2,

  177.     0x0182, 0x00b6, 0x0036, 0x03c2, 0x0482, 0x01c2, 0x0682, 0x0882,

  178.     0x0a82, 0x0082, 0x0282, 0x1282, 0x3282, 0x2282

  179. };

  180. 

  181. static uint8_t vlc_tab_fft_tone_offset_4_huffbits[38] = {

  182.     15, 6, 0, 9, 3, 3, 3, 4, 4, 3, 4, 4, 5, 4, 5, 6,

  183.     6, 6, 6, 8, 7, 6, 8, 9, 9, 8, 9, 10, 11, 10, 11, 12,

  184.     12, 12, 14, 15, 14, 14

  185. };

  186. 

  187. /** FFT TABLES **/

  188. 

  189. /* values in this table range from -1..27; adjust retrieved value by -1 */

  190. static uint16_t fft_level_exp_alt_huffcodes[28] = {

  191.     0x1ec6, 0x0006, 0x00c2, 0x0142, 0x0242, 0x0246, 0x00c6, 0x0046,

  192.     0x0042, 0x0146, 0x00a2, 0x0062, 0x0026, 0x0016, 0x000e, 0x0005,

  193.     0x0004, 0x0003, 0x0000, 0x0001, 0x000a, 0x0012, 0x0002, 0x0022,

  194.     0x01c6, 0x02c6, 0x06c6, 0x0ec6

  195. };

  196. 

  197. static uint8_t fft_level_exp_alt_huffbits[28] = {

  198.     13, 7, 8, 9, 10, 10, 10, 10, 10, 9, 8, 7, 6, 5, 4, 3,

  199.     3, 2, 3, 3, 4, 5, 7, 8, 9, 11, 12, 13

  200. };

  201. 

  202. /* values in this table range from -1..19; adjust retrieved value by -1 */

  203. static uint16_t fft_level_exp_huffcodes[20] = {

  204.     0x0f24, 0x0001, 0x0002, 0x0000, 0x0006, 0x0005, 0x0007, 0x000c,

  205.     0x000b, 0x0014, 0x0013, 0x0004, 0x0003, 0x0023, 0x0064, 0x00a4,

  206.     0x0024, 0x0124, 0x0324, 0x0724

  207. };

  208. 

  209. static uint8_t fft_level_exp_huffbits[20] = {

  210.     12, 3, 3, 3, 3, 3, 3, 4, 4, 5, 5, 6, 6, 6, 7, 8, 9, 10, 11, 12

  211. };

  212. 

  213. /* values in this table range from -1..6; adjust retrieved value by -1 */

  214. static uint8_t fft_stereo_exp_huffcodes[7] = {

  215.     0x3e, 0x01, 0x00, 0x02, 0x06, 0x0e, 0x1e

  216. };

  217. 

  218. static uint8_t fft_stereo_exp_huffbits[7] = {

  219.     6, 1, 2, 3, 4, 5, 6

  220. };

  221. 

  222. /* values in this table range from -1..8; adjust retrieved value by -1 */

  223. static uint8_t fft_stereo_phase_huffcodes[9] = {

  224.     0x35, 0x02, 0x00, 0x01, 0x0d, 0x15, 0x05, 0x09, 0x03

  225. };

  226. 

  227. static uint8_t fft_stereo_phase_huffbits[9] = {

  228.     6, 2, 2, 4, 4, 6, 5, 4, 2

  229. };

  230. 

  231. static const int fft_cutoff_index_table[4][2] = {

  232.     { 1, 2 }, {-1, 0 }, {-1,-2 }, { 0, 0 }

  233. };

  234. 

  235. static const int16_t fft_level_index_table[256] = {

  236.     0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1,

  237.     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,

  238.     3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,

  239.     3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,

  240.     4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,

  241.     4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,

  242.     4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,

  243.     4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,

  244.     5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,

  245.     5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,

  246.     5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,

  247.     5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,

  248.     5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,

  249.     5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,

  250.     5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,

  251.     5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,

  252. };

  253. 

  254. static uint8_t last_coeff[3] = {

  255.     4, 7, 10

  256. };

  257. 

  258. static uint8_t coeff_per_sb_for_avg[3][30] = {

  259.     { 0, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 },

  260.     { 0, 1, 2, 2, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6 },

  261.     { 0, 1, 2, 3, 4, 4, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9 }

  262. };

  263. 

  264. static uint32_t dequant_table[3][10][30] = {

  265.     { { 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

  266.       { 0, 256, 256, 205, 154, 102, 51, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

  267.       { 0, 0, 0, 51, 102, 154, 205, 256, 238, 219, 201, 183, 165, 146, 128, 110, 91, 73, 55, 37, 18, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

  268.       { 0, 0, 0, 0, 0, 0, 0, 0, 18, 37, 55, 73, 91, 110, 128, 146, 165, 183, 201, 219, 238, 256, 228, 199, 171, 142, 114, 85, 57, 28 },

  269.       { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

  270.       { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

  271.       { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

  272.       { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

  273.       { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

  274.       { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } },

  275.     { { 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

  276.       { 0, 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

  277.       { 0, 0, 256, 171, 85, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

  278.       { 0, 0, 0, 85, 171, 256, 171, 85, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

  279.       { 0, 0, 0, 0, 0, 0, 85, 171, 256, 219, 183, 146, 110, 73, 37, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

  280.       { 0, 0, 0, 0, 0, 0, 0, 0, 0, 37, 73, 110, 146, 183, 219, 256, 228, 199, 171, 142, 114, 85, 57, 28, 0, 0, 0, 0, 0, 0 },

  281.       { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 28, 57, 85, 114, 142, 171, 199, 228, 256, 213, 171, 128, 85, 43 },

  282.       { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

  283.       { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

  284.       { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } },

  285.     { { 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

  286.       { 0, 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

  287.       { 0, 0, 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

  288.       { 0, 0, 0, 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

  289.       { 0, 0, 0, 0, 256, 256, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

  290.       { 0, 0, 0, 0, 0, 0, 256, 171, 85, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

  291.       { 0, 0, 0, 0, 0, 0, 0, 85, 171, 256, 192, 128, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

  292.       { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 64, 128, 192, 256, 205, 154, 102, 51, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

  293.       { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 51, 102, 154, 205, 256, 213, 171, 128, 85, 43, 0, 0, 0, 0, 0, 0 },

  294.       { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 43, 85, 128, 171, 213, 256, 213, 171, 128, 85, 43 } }

  295. };

  296. 

  297. static uint8_t coeff_per_sb_for_dequant[3][30] = {

  298.     { 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3 },

  299.     { 0, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6 },

  300.     { 0, 1, 2, 3, 4, 4, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9 }

  301. };

  302. 

  303. /* first index is subband, 2nd index is 0, 1 or 3 (2 is unused) */

  304. static int8_t tone_level_idx_offset_table[30][4] = {

  305.     { -50, -50,  0, -50 },

  306.     { -50, -50,  0, -50 },

  307.     { -50,  -9,  0, -19 },

  308.     { -16,  -6,  0, -12 },

  309.     { -11,  -4,  0,  -8 },

  310.     {  -8,  -3,  0,  -6 },

  311.     {  -7,  -3,  0,  -5 },

  312.     {  -6,  -2,  0,  -4 },

  313.     {  -5,  -2,  0,  -3 },

  314.     {  -4,  -1,  0,  -3 },

  315.     {  -4,  -1,  0,  -2 },

  316.     {  -3,  -1,  0,  -2 },

  317.     {  -3,  -1,  0,  -2 },

  318.     {  -3,  -1,  0,  -2 },

  319.     {  -2,  -1,  0,  -1 },

  320.     {  -2,  -1,  0,  -1 },

  321.     {  -2,  -1,  0,  -1 },

  322.     {  -2,   0,  0,  -1 },

  323.     {  -2,   0,  0,  -1 },

  324.     {  -1,   0,  0,  -1 },

  325.     {  -1,   0,  0,  -1 },

  326.     {  -1,   0,  0,  -1 },

  327.     {  -1,   0,  0,  -1 },

  328.     {  -1,   0,  0,  -1 },

  329.     {  -1,   0,  0,  -1 },

  330.     {  -1,   0,  0,  -1 },

  331.     {  -1,   0,  0,   0 },

  332.     {  -1,   0,  0,   0 },

  333.     {  -1,   0,  0,   0 },

  334.     {  -1,   0,  0,   0 }

  335. };

  336. 

  337. /* all my samples have 1st index 0 or 1 */

  338. /* second index is subband, only indexes 0-29 seem to be used */

  339. static int8_t coding_method_table[5][30] = {

  340.     { 34, 30, 24, 24, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10,

  341.       10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10

  342.     },

  343.     { 34, 30, 24, 24, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10,

  344.       10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10

  345.     },

  346.     { 34, 30, 30, 30, 24, 24, 16, 16, 16, 16, 16, 16, 10, 10, 10,

  347.       10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10

  348.     },

  349.     { 34, 34, 30, 30, 24, 24, 24, 24, 16, 16, 16, 16, 16, 16, 16,

  350.       16, 16, 16, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10, 10

  351.     },

  352.     { 34, 34, 30, 30, 30, 30, 30, 30, 24, 24, 24, 24, 24, 24, 24,

  353.       24, 24, 24, 24, 24, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16

  354.     },

  355. };

  356. 

  357. static const int vlc_stage3_values[60] = {

  358.         0,     1,     2,     3,     4,     6,     8,    10,    12,    16,    20,    24,

  359.        28,    36,    44,    52,    60,    76,    92,   108,   124,   156,   188,   220,

  360.       252,   316,   380,   444,   508,   636,   764,   892,  1020,  1276,  1532,  1788,

  361.      2044,  2556,  3068,  3580,  4092,  5116,  6140,  7164,  8188, 10236, 12284, 14332,

  362.     16380, 20476, 24572, 28668, 32764, 40956, 49148, 57340, 65532, 81916, 98300,114684

  363. };

  364. 

  365. static const float fft_tone_sample_table[4][16][5] = {

  366.     { { .0100000000f,-.0037037037f,-.0020000000f,-.0069444444f,-.0018416207f },

  367.       { .0416666667f, .0000000000f, .0000000000f,-.0208333333f,-.0123456791f },

  368.       { .1250000000f, .0558035709f, .0330687836f,-.0164473690f,-.0097465888f },

  369.       { .1562500000f, .0625000000f, .0370370370f,-.0062500000f,-.0037037037f },

  370.       { .1996007860f, .0781250000f, .0462962948f, .0022727272f, .0013468013f },

  371.       { .2000000000f, .0625000000f, .0370370373f, .0208333333f, .0074074073f },

  372.       { .2127659619f, .0555555556f, .0329218097f, .0208333333f, .0123456791f },

  373.       { .2173913121f, .0473484844f, .0280583613f, .0347222239f, .0205761325f },

  374.       { .2173913121f, .0347222239f, .0205761325f, .0473484844f, .0280583613f },

  375.       { .2127659619f, .0208333333f, .0123456791f, .0555555556f, .0329218097f },

  376.       { .2000000000f, .0208333333f, .0074074073f, .0625000000f, .0370370370f },

  377.       { .1996007860f, .0022727272f, .0013468013f, .0781250000f, .0462962948f },

  378.       { .1562500000f,-.0062500000f,-.0037037037f, .0625000000f, .0370370370f },

  379.       { .1250000000f,-.0164473690f,-.0097465888f, .0558035709f, .0330687836f },

  380.       { .0416666667f,-.0208333333f,-.0123456791f, .0000000000f, .0000000000f },

  381.       { .0100000000f,-.0069444444f,-.0018416207f,-.0037037037f,-.0020000000f } },

  382.   

  383.     { { .0050000000f,-.0200000000f, .0125000000f,-.3030303030f, .0020000000f },

  384.       { .1041666642f, .0400000000f,-.0250000000f, .0333333333f,-.0200000000f },

  385.       { .1250000000f, .0100000000f, .0142857144f,-.0500000007f,-.0200000000f },

  386.       { .1562500000f,-.0006250000f,-.00049382716f,-.000625000f,-.00049382716f },

  387.       { .1562500000f,-.0006250000f,-.00049382716f,-.000625000f,-.00049382716f },

  388.       { .1250000000f,-.0500000000f,-.0200000000f, .0100000000f, .0142857144f },

  389.       { .1041666667f, .0333333333f,-.0200000000f, .0400000000f,-.0250000000f },

  390.       { .0050000000f,-.3030303030f, .0020000001f,-.0200000000f, .0125000000f },

  391.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  392.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  393.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  394.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  395.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  396.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  397.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  398.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f } },

  399.   

  400.     { { .1428571492f, .1250000000f,-.0285714287f,-.0357142873f, .0208333333f },

  401.       { .1818181818f, .0588235296f, .0333333333f, .0212765951f, .0100000000f },

  402.       { .1818181818f, .0212765951f, .0100000000f, .0588235296f, .0333333333f },

  403.       { .1428571492f,-.0357142873f, .0208333333f, .1250000000f,-.0285714287f },

  404.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  405.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  406.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  407.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  408.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  409.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  410.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  411.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  412.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  413.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  414.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  415.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f } },

  416.   

  417.     { { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  418.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  419.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  420.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  421.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  422.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  423.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  424.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  425.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  426.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  427.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  428.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  429.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  430.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  431.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  432.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f } }

  433. };

  434. 

  435. static const float fft_tone_level_table[2][64] = { {

  436. /* pow ~ (i > 46) ? 0 : (((((i & 1) ? 431 : 304) << (i >> 1))) / 1024.0); */

  437.     0.17677669f, 0.42677650f, 0.60355347f, 0.85355347f,

  438.     1.20710683f, 1.68359375f, 2.37500000f, 3.36718750f,

  439.     4.75000000f, 6.73437500f, 9.50000000f, 13.4687500f,

  440.     19.0000000f, 26.9375000f, 38.0000000f, 53.8750000f,

  441.     76.0000000f, 107.750000f, 152.000000f, 215.500000f,

  442.     304.000000f, 431.000000f, 608.000000f, 862.000000f,

  443.     1216.00000f, 1724.00000f, 2432.00000f, 3448.00000f,

  444.     4864.00000f, 6896.00000f, 9728.00000f, 13792.0000f,

  445.     19456.0000f, 27584.0000f, 38912.0000f, 55168.0000f,

  446.     77824.0000f, 110336.000f, 155648.000f, 220672.000f,

  447.     311296.000f, 441344.000f, 622592.000f, 882688.000f,

  448.     1245184.00f, 1765376.00f, 2490368.00f, 0.00000000f,

  449.     0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,

  450.     0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,

  451.     0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,

  452.     0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,

  453.   }, {

  454. /* pow = (i > 45) ? 0 : ((((i & 1) ? 431 : 304) << (i >> 1)) / 512.0); */

  455.     0.59375000f, 0.84179688f, 1.18750000f, 1.68359375f,

  456.     2.37500000f, 3.36718750f, 4.75000000f, 6.73437500f,

  457.     9.50000000f, 13.4687500f, 19.0000000f, 26.9375000f,

  458.     38.0000000f, 53.8750000f, 76.0000000f, 107.750000f,

  459.     152.000000f, 215.500000f, 304.000000f, 431.000000f,

  460.     608.000000f, 862.000000f, 1216.00000f, 1724.00000f,

  461.     2432.00000f, 3448.00000f, 4864.00000f, 6896.00000f,

  462.     9728.00000f, 13792.0000f, 19456.0000f, 27584.0000f,

  463.     38912.0000f, 55168.0000f, 77824.0000f, 110336.000f,

  464.     155648.000f, 220672.000f, 311296.000f, 441344.000f,

  465.     622592.000f, 882688.000f, 1245184.00f, 1765376.00f,

  466.     2490368.00f, 3530752.00f, 0.00000000f, 0.00000000f,

  467.     0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,

  468.     0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,

  469.     0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,

  470.     0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f

  471. } };

  472. 

  473. static const float fft_tone_envelope_table[4][31] = {

  474.     { .009607375f, .038060248f, .084265202f, .146446645f, .222214907f, .308658302f,

  475.       .402454883f, .500000060f, .597545207f, .691341758f, .777785182f, .853553414f,

  476.       .915734828f, .961939812f, .990392685f, 1.00000000f, .990392625f, .961939752f,

  477.       .915734768f, .853553295f, .777785063f, .691341639f, .597545087f, .500000000f,

  478.       .402454853f, .308658272f, .222214878f, .146446615f, .084265172f, .038060218f,

  479.       .009607345f },

  480.     { .038060248f, .146446645f, .308658302f, .500000060f, .691341758f, .853553414f,

  481.       .961939812f, 1.00000000f, .961939752f, .853553295f, .691341639f, .500000000f,

  482.       .308658272f, .146446615f, .038060218f, .000000000f, .000000000f, .000000000f,

  483.       .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,

  484.       .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,

  485.       .000000000f },

  486.     { .146446645f, .500000060f, .853553414f, 1.00000000f, .853553295f, .500000000f,

  487.       .146446615f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,

  488.       .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,

  489.       .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,

  490.       .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,

  491.       .000000000f },

  492.     { .500000060f, 1.00000000f, .500000000f, .000000000f, .000000000f, .000000000f,

  493.       .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,

  494.       .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,

  495.       .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,

  496.       .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,

  497.       .000000000f }

  498. };

  499. 

  500. static const float sb_noise_attenuation[32] = {

  501.     0.0f, 0.0f, 0.3f, 0.4f, 0.5f, 0.7f, 1.0f, 1.0f,

  502.     1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,

  503.     1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,

  504.     1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,

  505. };

  506. 

  507. static const uint8_t fft_subpackets[32] = {

  508.     0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0,

  509.     0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0

  510. };

  511. 

  512. /* first index is joined_stereo, second index is 0 or 2 (1 is unused) */

  513. static float dequant_1bit[2][3] = {

  514.     {-0.920000f, 0.000000f, 0.920000f },

  515.     {-0.890000f, 0.000000f, 0.890000f }

  516. };

  517. 

  518. static const float type30_dequant[8] = {

  519.    -1.0f,-0.625f,-0.291666656732559f,0.0f,

  520.    0.25f,0.5f,0.75f,1.0f,

  521. };

  522. 

  523. static const float type34_delta[10] = { // FIXME: covers 8 entries..

  524.     -1.0f,-0.60947573184967f,-0.333333343267441f,-0.138071194291115f,0.0f,

  525.     0.138071194291115f,0.333333343267441f,0.60947573184967f,1.0f,0.0f,

  526. };

  527. 

  528. #endif /* QDM2DATA_H */