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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 file is part of FFmpeg.

  9.  *

  10.  * FFmpeg is free software; you can redistribute it and/or

  11.  * modify it under the terms of the GNU Lesser General Public

  12.  * License as published by the Free Software Foundation; either

  13.  * version 2.1 of the License, or (at your option) any later version.

  14.  *

  15.  * FFmpeg is distributed in the hope that it will be useful,

  16.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  17.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

  18.  * Lesser General Public License for more details.

  19.  *

  20.  * You should have received a copy of the GNU Lesser General Public

  21.  * License along with FFmpeg; if not, write to the Free Software

  22.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

  23.  */

  24. 

  25.  /**

  26.  * @file

  27.  * Various QDM2 tables.

  28.  */

  29. 

  30. #ifndef AVCODEC_QDM2DATA_H

  31. #define AVCODEC_QDM2DATA_H

  32. 

  33. #include <stdint.h>

  34. 

  35. /** VLC TABLES **/

  36. 

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

  38. static const uint8_t tab_level[24][2] = {

  39.     { 12,  4 }, { 17,  4 }, {  1,  6 }, {  8,  6 }, {  9,  5 }, { 20,  7 },

  40.     {  3,  7 }, {  5,  6 }, {  6,  6 }, {  2,  7 }, { 22,  9 }, { 23, 10 },

  41.     {  0, 10 }, { 21,  8 }, { 11,  4 }, { 19,  5 }, {  7,  6 }, {  4,  6 },

  42.     { 16,  3 }, { 10,  4 }, { 18,  4 }, { 15,  3 }, { 13,  3 }, { 14,  3 },

  43. };

  44. 

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

  46. static const uint8_t tab_diff[33][2] = {

  47.     {  2,  3 }, {  1,  3 }, {  5,  3 }, { 14,  8 }, { 20,  9 }, { 26, 10 },

  48.     { 25, 12 }, { 32, 12 }, { 19, 11 }, { 16,  8 }, { 24,  9 }, { 17,  9 },

  49.     { 12,  7 }, { 13,  7 }, {  9,  5 }, {  7,  4 }, {  3,  2 }, {  4,  3 },

  50.     {  8,  6 }, { 11,  6 }, { 18,  8 }, { 15,  8 }, { 30, 11 }, { 36, 13 },

  51.     { 34, 13 }, { 29, 13 }, {  0, 13 }, { 21, 10 }, { 28, 10 }, { 23, 10 },

  52.     { 22,  8 }, { 10,  6 }, {  6,  4 },

  53. };

  54. 

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

  56. static const uint8_t tab_run[6][2] = {

  57.     { 1, 1 }, { 2, 2 }, { 3, 3 }, { 4, 4 }, { 5, 5 }, { 0, 5 },

  58. };

  59. 

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

  61. static const uint8_t tab_tone_level_idx_hi1[20][2] = {

  62.     {  4,  3 }, {  5,  5 }, {  9, 10 }, { 11, 11 }, { 13, 12 }, { 14, 12 },

  63.     { 10, 10 }, { 12, 11 }, { 17, 14 }, { 16, 14 }, { 18, 15 }, {  0, 15 },

  64.     { 19, 14 }, { 15, 12 }, {  8,  8 }, {  7,  7 }, {  6,  6 }, {  1,  4 },

  65.     {  2,  2 }, {  3,  1 },

  66. };

  67. 

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

  69. static const uint8_t tab_tone_level_idx_mid[13][2] = {

  70.     { 18,  2 }, { 19,  4 }, { 20,  6 }, { 14,  7 }, { 21,  8 }, { 13,  9 },

  71.     { 22, 10 }, { 12, 11 }, { 23, 12 }, {  0, 12 }, { 15,  5 }, { 16,  3 },

  72.     { 17,  1 },

  73. };

  74. 

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

  76. static const uint8_t tab_tone_level_idx_hi2[18][2] = {

  77.     { 14,  4 }, { 11,  6 }, { 19,  7 }, {  9,  7 }, { 13,  5 }, { 10,  6 },

  78.     { 20,  8 }, {  8,  8 }, {  6, 10 }, { 23, 11 }, {  0, 11 }, { 21,  9 },

  79.     {  7,  8 }, { 12,  5 }, { 18,  4 }, { 16,  2 }, { 15,  2 }, { 17,  2 },

  80. };

  81. 

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

  83. static const uint8_t tab_type30[9][2] = {

  84.     { 2, 3 }, { 6, 4 }, { 7, 5 }, { 8, 6 }, { 0, 6 }, { 5, 3 }, { 1, 3 },

  85.     { 3, 2 }, { 4, 2 },

  86. };

  87. 

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

  89. static const uint8_t tab_type34[10][2] = {

  90.     { 1, 4 }, { 9, 5 }, { 0, 5 }, { 3, 3 }, { 7, 3 }, { 8, 3 }, { 2, 3 },

  91.     { 4, 3 }, { 6, 3 }, { 5, 3 },

  92. };

  93. 

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

  95. static const uint8_t tab_fft_tone_offset_0[23][2] = {

  96.     {  2,  2 }, {  7,  7 }, { 15,  8 }, { 21,  8 }, {  3,  6 }, {  6,  6 },

  97.     { 13,  7 }, { 14,  8 }, { 18,  8 }, {  4,  4 }, {  5,  5 }, { 11,  7 },

  98.     { 10,  7 }, { 20,  6 }, { 12,  8 }, { 16,  9 }, { 22, 10 }, {  0, 10 },

  99.     { 17,  7 }, { 19,  6 }, {  8,  6 }, {  9,  6 }, {  1,  1 },

  100. };

  101. 

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

  103. static const uint8_t tab_fft_tone_offset_1[28][2] = {

  104.     {  8,  6 }, {  2,  6 }, {  7,  6 }, { 23,  7 }, { 12,  7 }, {  5,  4 },

  105.     { 10,  6 }, { 20,  8 }, { 25,  9 }, { 26, 10 }, { 27, 11 }, {  0, 11 },

  106.     { 22,  7 }, {  9,  5 }, { 13,  6 }, { 17,  6 }, {  4,  5 }, { 14,  6 },

  107.     { 19,  7 }, { 24,  7 }, {  3,  6 }, { 11,  6 }, { 21,  6 }, { 18,  6 },

  108.     { 16,  6 }, { 15,  6 }, {  6,  3 }, {  1,  1 },

  109. };

  110. 

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

  112. static const uint8_t tab_fft_tone_offset_2[31][2] = {

  113.     { 14,  7 }, { 17,  7 }, { 15,  7 }, { 23,  9 }, { 28, 10 }, { 29, 11 },

  114.     { 30, 13 }, {  0, 13 }, { 31, 12 }, { 25,  8 }, { 10,  5 }, {  8,  4 },

  115.     {  9,  4 }, {  4,  4 }, { 22,  8 }, {  3,  8 }, { 21,  8 }, { 26,  9 },

  116.     { 27,  9 }, { 12,  6 }, { 11,  5 }, { 16,  7 }, { 18,  7 }, { 20,  8 },

  117.     { 24,  8 }, { 19,  7 }, { 13,  5 }, {  5,  3 }, {  1,  2 }, {  6,  3 },

  118.     {  7,  3 },

  119. };

  120. 

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

  122. static const uint8_t tab_fft_tone_offset_3[34][2] = {

  123.     {  4,  4 }, {  7,  4 }, { 10,  4 }, {  3, 10 }, { 27, 10 }, { 29, 10 },

  124.     { 28, 10 }, { 22,  8 }, { 21,  7 }, { 15,  6 }, { 14,  5 }, {  8,  4 },

  125.     { 16,  6 }, { 19,  7 }, { 23,  8 }, { 26,  9 }, { 30, 10 }, { 33, 13 },

  126.     { 34, 14 }, {  0, 14 }, { 32, 12 }, { 31, 11 }, { 12,  5 }, {  5,  3 },

  127.     {  9,  3 }, {  1,  4 }, { 20,  7 }, { 25,  8 }, { 24,  8 }, { 18,  6 },

  128.     { 17,  5 }, {  6,  3 }, { 11,  4 }, { 13,  4 },

  129. };

  130. 

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

  132. static const uint8_t tab_fft_tone_offset_4[37][2] = {

  133.     {  5,  3 }, {  4,  3 }, { 19,  8 }, { 33, 12 }, { 31, 12 }, { 28, 11 },

  134.     { 34, 14 }, { 37, 14 }, { 35, 15 }, {  0, 15 }, { 36, 14 }, { 32, 12 },

  135.     { 30, 11 }, { 24,  9 }, { 22,  8 }, { 23,  9 }, { 29, 10 }, { 27, 10 },

  136.     { 17,  6 }, { 14,  5 }, {  7,  4 }, { 12,  5 }, {  1,  6 }, { 26,  9 },

  137.     {  3,  9 }, { 25,  8 }, { 20,  7 }, {  8,  4 }, { 10,  4 }, { 13,  4 },

  138.     { 15,  6 }, { 16,  6 }, { 18,  6 }, { 21,  6 }, { 11,  4 }, {  9,  3 },

  139.     {  6,  3 },

  140. };

  141. 

  142. /** FFT TABLES **/

  143. 

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

  145. static const uint8_t fft_level_exp_alt[28][2] = {

  146.     { 18,  3 }, { 16,  3 }, { 22,  7 }, {  8, 10 }, {  4, 10 }, {  3,  9 },

  147.     {  2,  8 }, { 23,  8 }, { 10,  8 }, { 11,  7 }, { 21,  5 }, { 20,  4 },

  148.     {  1,  7 }, {  7, 10 }, {  5, 10 }, {  9,  9 }, {  6, 10 }, { 25, 11 },

  149.     { 26, 12 }, { 27, 13 }, {  0, 13 }, { 24,  9 }, { 12,  6 }, { 13,  5 },

  150.     { 14,  4 }, { 19,  3 }, { 15,  3 }, { 17,  2 },

  151. };

  152. 

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

  154. static const uint8_t fft_level_exp[20][2] = {

  155.     {  3,  3 }, { 11,  6 }, { 16,  9 }, { 17, 10 }, { 18, 11 }, { 19, 12 },

  156.     {  0, 12 }, { 15,  8 }, { 14,  7 }, {  9,  5 }, {  7,  4 }, {  2,  3 },

  157.     {  4,  3 }, {  1,  3 }, {  5,  3 }, { 12,  6 }, { 13,  6 }, { 10,  5 },

  158.     {  8,  4 }, {  6,  3 },

  159. };

  160. 

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

  162. static const uint8_t fft_stereo_exp[7][2] = {

  163.     { 2, 2 }, { 3, 3 }, { 4, 4 }, { 5, 5 }, { 6, 6 }, { 0, 6 }, { 1, 1 },

  164. };

  165. 

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

  167. static const uint8_t fft_stereo_phase[9][2] = {

  168.     { 2, 2 }, { 1, 2 }, { 3, 4 }, { 7, 4 }, { 6, 5 }, { 5, 6 }, { 0, 6 },

  169.     { 4, 4 }, { 8, 2 },

  170. };

  171. 

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

  173.     { 1, 2 }, {-1, 0 }, {-1,-2 }, { 0, 0 }

  174. };

  175. 

  176. static const int16_t fft_level_index_table[256] = {

  177.     0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1,

  178.     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,

  179.     3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,

  180.     3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,

  181.     4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,

  182.     4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,

  183.     4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,

  184.     4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,

  185.     5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,

  186.     5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,

  187.     5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,

  188.     5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,

  189.     5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,

  190.     5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,

  191.     5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,

  192.     5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,

  193. };

  194. 

  195. static const uint8_t last_coeff[3] = {

  196.     4, 7, 10

  197. };

  198. 

  199. static const uint8_t coeff_per_sb_for_avg[3][30] = {

  200.     { 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 },

  201.     { 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 },

  202.     { 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 }

  203. };

  204. 

  205. static const uint32_t dequant_table[3][10][30] = {

  206.     { { 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 },

  207.       { 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 },

  208.       { 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 },

  209.       { 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 },

  210.       { 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 },

  211.       { 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 },

  212.       { 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 },

  213.       { 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 },

  214.       { 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 },

  215.       { 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 } },

  216.     { { 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 },

  217.       { 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 },

  218.       { 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 },

  219.       { 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 },

  220.       { 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 },

  221.       { 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 },

  222.       { 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 },

  223.       { 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 },

  224.       { 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 },

  225.       { 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 } },

  226.     { { 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 },

  227.       { 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 },

  228.       { 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 },

  229.       { 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 },

  230.       { 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 },

  231.       { 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 },

  232.       { 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 },

  233.       { 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 },

  234.       { 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 },

  235.       { 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 } }

  236. };

  237. 

  238. static const uint8_t coeff_per_sb_for_dequant[3][30] = {

  239.     { 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 },

  240.     { 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 },

  241.     { 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 }

  242. };

  243. 

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

  245. static const int8_t tone_level_idx_offset_table[30][4] = {

  246.     { -50, -50,  0, -50 },

  247.     { -50, -50,  0, -50 },

  248.     { -50,  -9,  0, -19 },

  249.     { -16,  -6,  0, -12 },

  250.     { -11,  -4,  0,  -8 },

  251.     {  -8,  -3,  0,  -6 },

  252.     {  -7,  -3,  0,  -5 },

  253.     {  -6,  -2,  0,  -4 },

  254.     {  -5,  -2,  0,  -3 },

  255.     {  -4,  -1,  0,  -3 },

  256.     {  -4,  -1,  0,  -2 },

  257.     {  -3,  -1,  0,  -2 },

  258.     {  -3,  -1,  0,  -2 },

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

  260.     {  -2,  -1,  0,  -1 },

  261.     {  -2,  -1,  0,  -1 },

  262.     {  -2,  -1,  0,  -1 },

  263.     {  -2,   0,  0,  -1 },

  264.     {  -2,   0,  0,  -1 },

  265.     {  -1,   0,  0,  -1 },

  266.     {  -1,   0,  0,  -1 },

  267.     {  -1,   0,  0,  -1 },

  268.     {  -1,   0,  0,  -1 },

  269.     {  -1,   0,  0,  -1 },

  270.     {  -1,   0,  0,  -1 },

  271.     {  -1,   0,  0,  -1 },

  272.     {  -1,   0,  0,   0 },

  273.     {  -1,   0,  0,   0 },

  274.     {  -1,   0,  0,   0 },

  275.     {  -1,   0,  0,   0 }

  276. };

  277. 

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

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

  280. static const int8_t coding_method_table[5][30] = {

  281.     { 34, 30, 24, 24, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10,

  282.       10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10

  283.     },

  284.     { 34, 30, 24, 24, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10,

  285.       10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10

  286.     },

  287.     { 34, 30, 30, 30, 24, 24, 16, 16, 16, 16, 16, 16, 10, 10, 10,

  288.       10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10

  289.     },

  290.     { 34, 34, 30, 30, 24, 24, 24, 24, 16, 16, 16, 16, 16, 16, 16,

  291.       16, 16, 16, 16, 16, 16, 16, 10, 10, 10, 10, 10, 10, 10, 10

  292.     },

  293.     { 34, 34, 30, 30, 30, 30, 30, 30, 24, 24, 24, 24, 24, 24, 24,

  294.       24, 24, 24, 24, 24, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16

  295.     },

  296. };

  297. 

  298. static const int vlc_stage3_values[60] = {

  299.         0,     1,     2,     3,     4,     6,     8,    10,    12,    16,    20,    24,

  300.        28,    36,    44,    52,    60,    76,    92,   108,   124,   156,   188,   220,

  301.       252,   316,   380,   444,   508,   636,   764,   892,  1020,  1276,  1532,  1788,

  302.      2044,  2556,  3068,  3580,  4092,  5116,  6140,  7164,  8188, 10236, 12284, 14332,

  303.     16380, 20476, 24572, 28668, 32764, 40956, 49148, 57340, 65532, 81916, 98300,114684

  304. };

  305. 

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

  307.     { { .0100000000f,-.0037037037f,-.0020000000f,-.0069444444f,-.0018416207f },

  308.       { .0416666667f, .0000000000f, .0000000000f,-.0208333333f,-.0123456791f },

  309.       { .1250000000f, .0558035709f, .0330687836f,-.0164473690f,-.0097465888f },

  310.       { .1562500000f, .0625000000f, .0370370370f,-.0062500000f,-.0037037037f },

  311.       { .1996007860f, .0781250000f, .0462962948f, .0022727272f, .0013468013f },

  312.       { .2000000000f, .0625000000f, .0370370373f, .0208333333f, .0074074073f },

  313.       { .2127659619f, .0555555556f, .0329218097f, .0208333333f, .0123456791f },

  314.       { .2173913121f, .0473484844f, .0280583613f, .0347222239f, .0205761325f },

  315.       { .2173913121f, .0347222239f, .0205761325f, .0473484844f, .0280583613f },

  316.       { .2127659619f, .0208333333f, .0123456791f, .0555555556f, .0329218097f },

  317.       { .2000000000f, .0208333333f, .0074074073f, .0625000000f, .0370370370f },

  318.       { .1996007860f, .0022727272f, .0013468013f, .0781250000f, .0462962948f },

  319.       { .1562500000f,-.0062500000f,-.0037037037f, .0625000000f, .0370370370f },

  320.       { .1250000000f,-.0164473690f,-.0097465888f, .0558035709f, .0330687836f },

  321.       { .0416666667f,-.0208333333f,-.0123456791f, .0000000000f, .0000000000f },

  322.       { .0100000000f,-.0069444444f,-.0018416207f,-.0037037037f,-.0020000000f } },

  323. 

  324.     { { .0050000000f,-.0200000000f, .0125000000f,-.3030303030f, .0020000000f },

  325.       { .1041666642f, .0400000000f,-.0250000000f, .0333333333f,-.0200000000f },

  326.       { .1250000000f, .0100000000f, .0142857144f,-.0500000007f,-.0200000000f },

  327.       { .1562500000f,-.0006250000f,-.00049382716f,-.000625000f,-.00049382716f },

  328.       { .1562500000f,-.0006250000f,-.00049382716f,-.000625000f,-.00049382716f },

  329.       { .1250000000f,-.0500000000f,-.0200000000f, .0100000000f, .0142857144f },

  330.       { .1041666667f, .0333333333f,-.0200000000f, .0400000000f,-.0250000000f },

  331.       { .0050000000f,-.3030303030f, .0020000001f,-.0200000000f, .0125000000f },

  332.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  333.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  334.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  335.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  336.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  337.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  338.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  339.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f } },

  340. 

  341.     { { .1428571492f, .1250000000f,-.0285714287f,-.0357142873f, .0208333333f },

  342.       { .1818181818f, .0588235296f, .0333333333f, .0212765951f, .0100000000f },

  343.       { .1818181818f, .0212765951f, .0100000000f, .0588235296f, .0333333333f },

  344.       { .1428571492f,-.0357142873f, .0208333333f, .1250000000f,-.0285714287f },

  345.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  346.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  347.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  348.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  349.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  350.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  351.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  352.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  353.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  354.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  355.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  356.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f } },

  357. 

  358.     { { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  359.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  360.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  361.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  362.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  363.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  364.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  365.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  366.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  367.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  368.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  369.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  370.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  371.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  372.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f },

  373.       { .0000000000f, .0000000000f, .0000000000f, .0000000000f, .0000000000f } }

  374. };

  375. 

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

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

  378.     0.17677669f, 0.42677650f, 0.60355347f, 0.85355347f,

  379.     1.20710683f, 1.68359375f, 2.37500000f, 3.36718750f,

  380.     4.75000000f, 6.73437500f, 9.50000000f, 13.4687500f,

  381.     19.0000000f, 26.9375000f, 38.0000000f, 53.8750000f,

  382.     76.0000000f, 107.750000f, 152.000000f, 215.500000f,

  383.     304.000000f, 431.000000f, 608.000000f, 862.000000f,

  384.     1216.00000f, 1724.00000f, 2432.00000f, 3448.00000f,

  385.     4864.00000f, 6896.00000f, 9728.00000f, 13792.0000f,

  386.     19456.0000f, 27584.0000f, 38912.0000f, 55168.0000f,

  387.     77824.0000f, 110336.000f, 155648.000f, 220672.000f,

  388.     311296.000f, 441344.000f, 622592.000f, 882688.000f,

  389.     1245184.00f, 1765376.00f, 2490368.00f, 0.00000000f,

  390.     0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,

  391.     0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,

  392.     0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,

  393.     0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,

  394.   }, {

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

  396.     0.59375000f, 0.84179688f, 1.18750000f, 1.68359375f,

  397.     2.37500000f, 3.36718750f, 4.75000000f, 6.73437500f,

  398.     9.50000000f, 13.4687500f, 19.0000000f, 26.9375000f,

  399.     38.0000000f, 53.8750000f, 76.0000000f, 107.750000f,

  400.     152.000000f, 215.500000f, 304.000000f, 431.000000f,

  401.     608.000000f, 862.000000f, 1216.00000f, 1724.00000f,

  402.     2432.00000f, 3448.00000f, 4864.00000f, 6896.00000f,

  403.     9728.00000f, 13792.0000f, 19456.0000f, 27584.0000f,

  404.     38912.0000f, 55168.0000f, 77824.0000f, 110336.000f,

  405.     155648.000f, 220672.000f, 311296.000f, 441344.000f,

  406.     622592.000f, 882688.000f, 1245184.00f, 1765376.00f,

  407.     2490368.00f, 3530752.00f, 0.00000000f, 0.00000000f,

  408.     0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,

  409.     0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,

  410.     0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f,

  411.     0.00000000f, 0.00000000f, 0.00000000f, 0.00000000f

  412. } };

  413. 

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

  415.     { .009607375f, .038060248f, .084265202f, .146446645f, .222214907f, .308658302f,

  416.       .402454883f, .500000060f, .597545207f, .691341758f, .777785182f, .853553414f,

  417.       .915734828f, .961939812f, .990392685f, 1.00000000f, .990392625f, .961939752f,

  418.       .915734768f, .853553295f, .777785063f, .691341639f, .597545087f, .500000000f,

  419.       .402454853f, .308658272f, .222214878f, .146446615f, .084265172f, .038060218f,

  420.       .009607345f },

  421.     { .038060248f, .146446645f, .308658302f, .500000060f, .691341758f, .853553414f,

  422.       .961939812f, 1.00000000f, .961939752f, .853553295f, .691341639f, .500000000f,

  423.       .308658272f, .146446615f, .038060218f, .000000000f, .000000000f, .000000000f,

  424.       .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,

  425.       .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,

  426.       .000000000f },

  427.     { .146446645f, .500000060f, .853553414f, 1.00000000f, .853553295f, .500000000f,

  428.       .146446615f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,

  429.       .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,

  430.       .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,

  431.       .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,

  432.       .000000000f },

  433.     { .500000060f, 1.00000000f, .500000000f, .000000000f, .000000000f, .000000000f,

  434.       .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,

  435.       .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,

  436.       .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,

  437.       .000000000f, .000000000f, .000000000f, .000000000f, .000000000f, .000000000f,

  438.       .000000000f }

  439. };

  440. 

  441. static const float sb_noise_attenuation[32] = {

  442.     0.0f, 0.0f, 0.3f, 0.4f, 0.5f, 0.7f, 1.0f, 1.0f,

  443.     1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,

  444.     1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,

  445.     1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,

  446. };

  447. 

  448. static const uint8_t fft_subpackets[32] = {

  449.     0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0,

  450.     0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0

  451. };

  452. 

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

  454. static const float dequant_1bit[2][3] = {

  455.     {-0.920000f, 0.000000f, 0.920000f },

  456.     {-0.890000f, 0.000000f, 0.890000f }

  457. };

  458. 

  459. static const float type30_dequant[8] = {

  460.    -1.0f,-0.625f,-0.291666656732559f,0.0f,

  461.    0.25f,0.5f,0.75f,1.0f,

  462. };

  463. 

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

  465.     -1.0f,-0.60947573184967f,-0.333333343267441f,-0.138071194291115f,0.0f,

  466.     0.138071194291115f,0.333333343267441f,0.60947573184967f,1.0f,0.0f,

  467. };

  468. 

  469. #endif /* AVCODEC_QDM2DATA_H */