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signature.h

signature.h 25 KB
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  1. /*
    2. 

  2.  * Copyright (c) 2017 Gerion Entrup
    3. 

  3.  *
    4. 

  4.  * This file is part of FFmpeg.
    5. 

  5.  *
    6. 

  6.  * FFmpeg is free software; you can redistribute it and/or modify
    7. 

  7.  * it under the terms of the GNU General Public License as published by
    8. 

  8.  * the Free Software Foundation; either version 2 of the License, or
    9. 

  9.  * (at your option) any later version.
    10. 

  10.  *
    11. 

  11.  * FFmpeg is distributed in the hope that it will be useful,
    12. 

  12.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    13. 

  13.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    14. 

  14.  * GNU General Public License for more details.
    15. 

  15.  *
    16. 

  16.  * You should have received a copy of the GNU General Public License along
    17. 

  17.  * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
    18. 

  18.  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
    19. 

  19.  */
    20. 

  20. 

  21. /**
    22. 

  22.  * @file
    23. 

  23.  * MPEG-7 video signature calculation and lookup filter
    24. 

  24.  */
    25. 

  25. 

  26. #ifndef AVFILTER_SIGNATURE_H
    27. 

  27. #define AVFILTER_SIGNATURE_H
    28. 

  28. 

  29. #include <float.h>
    30. 

  30. #include "libavutil/common.h"
    31. 

  31. #include "libavutil/opt.h"
    32. 

  32. #include "libavutil/timestamp.h"
    33. 

  33. #include "avfilter.h"
    34. 

  34. #include "internal.h"
    35. 

  35. 

  36. #define ELEMENT_COUNT 10
    37. 

  37. #define SIGELEM_SIZE 380
    38. 

  38. #define DIFFELEM_SIZE 348 /* SIGELEM_SIZE - elem_a1 - elem_a2 */
    39. 

  39. #define COARSE_SIZE 90
    40. 

  40. 

  41. enum lookup_mode {
    42. 

  42.     MODE_OFF,
    43. 

  43.     MODE_FULL,
    44. 

  44.     MODE_FAST,
    45. 

  45.     NB_LOOKUP_MODE
    46. 

  46. };
    47. 

  47. 

  48. enum formats {
    49. 

  49.     FORMAT_BINARY,
    50. 

  50.     FORMAT_XML,
    51. 

  51.     NB_FORMATS
    52. 

  52. };
    53. 

  53. 

  54. typedef struct Point {
    55. 

  55.     uint8_t x;
    56. 

  56.     uint8_t y;
    57. 

  57. } Point;
    58. 

  58. 

  59. typedef struct Block {
    60. 

  60.     Point up;
    61. 

  61.     Point to;
    62. 

  62. } Block;
    63. 

  63. 

  64. typedef struct ElemCat {
    65. 

  65.     int av_elem; /* average element category */
    66. 

  66.     short left_count; /* count of blocks that will be added together */
    67. 

  67.     short block_count; /* count of blocks per element */
    68. 

  68.     short elem_count;
    69. 

  69.     const Block* blocks;
    70. 

  70. } ElemCat;
    71. 

  71. 

  72. typedef struct FineSignature {
    73. 

  73.     struct FineSignature* next;
    74. 

  74.     struct FineSignature* prev;
    75. 

  75.     uint64_t pts;
    76. 

  76.     uint32_t index; /* needed for xmlexport */
    77. 

  77.     uint8_t confidence;
    78. 

  78.     uint8_t words[5];
    79. 

  79.     uint8_t framesig[SIGELEM_SIZE/5];
    80. 

  80. } FineSignature;
    81. 

  81. 

  82. typedef struct CoarseSignature {
    83. 

  83.     uint8_t data[5][31]; /* 5 words with min. 243 bit */
    84. 

  84.     struct FineSignature* first; /* associated Finesignatures */
    85. 

  85.     struct FineSignature* last;
    86. 

  86.     struct CoarseSignature* next;
    87. 

  87. } CoarseSignature;
    88. 

  88. 

  89. /* lookup types */
    90. 

  90. typedef struct MatchingInfo {
    91. 

  91.     double meandist;
    92. 

  92.     double framerateratio; /* second/first */
    93. 

  93.     int score;
    94. 

  94.     int offset;
    95. 

  95.     int matchframes; /* number of matching frames */
    96. 

  96.     int whole;
    97. 

  97.     struct FineSignature* first;
    98. 

  98.     struct FineSignature* second;
    99. 

  99.     struct MatchingInfo* next;
    100. 

  100. } MatchingInfo;
    101. 

  101. 

  102. typedef struct StreamContext {
    103. 

  103.     AVRational time_base;
    104. 

  104.     /* needed for xml_export */
    105. 

  105.     int w; /* height */
    106. 

  106.     int h; /* width */
    107. 

  107. 

  108.     /* overflow protection */
    109. 

  109.     int divide;
    110. 

  110. 

  111.     FineSignature* finesiglist;
    112. 

  112.     FineSignature* curfinesig;
    113. 

  113. 

  114.     CoarseSignature* coarsesiglist;
    115. 

  115.     CoarseSignature* coarseend; /* needed for xml export */
    116. 

  116.     /* helpers to store the alternating signatures */
    117. 

  117.     CoarseSignature* curcoarsesig1;
    118. 

  118.     CoarseSignature* curcoarsesig2;
    119. 

  119. 

  120.     int coarsecount; /* counter from 0 to 89 */
    121. 

  121.     int midcoarse;   /* whether it is a coarsesignature beginning from 45 + i * 90 */
    122. 

  122.     uint32_t lastindex; /* helper to store amount of frames */
    123. 

  123. 

  124.     int exported; /* boolean whether stream already exported */
    125. 

  125. } StreamContext;
    126. 

  126. 

  127. typedef struct SignatureContext {
    128. 

  128.     const AVClass *class;
    129. 

  129.     /* input parameters */
    130. 

  130.     int mode;
    131. 

  131.     int nb_inputs;
    132. 

  132.     char *filename;
    133. 

  133.     int format;
    134. 

  134.     int thworddist;
    135. 

  135.     int thcomposdist;
    136. 

  136.     int thl1;
    137. 

  137.     int thdi;
    138. 

  138.     int thit;
    139. 

  139.     /* end input parameters */
    140. 

  140. 

  141.     uint8_t l1distlut[243*242/2]; /* 243 + 242 + 241 ... */
    142. 

  142.     StreamContext* streamcontexts;
    143. 

  143. } SignatureContext;
    144. 

  144. 

  145. 

  146. static const Block elem_a1_data[] = {
    147. 

  147.     {{ 0, 0},{ 7, 7}},
    148. 

  148.     {{ 8, 0},{15, 7}},
    149. 

  149.     {{ 0, 8},{ 7,15}},
    150. 

  150.     {{ 8, 8},{15,15}},
    151. 

  151.     {{16, 0},{23, 7}},
    152. 

  152.     {{24, 0},{31, 7}},
    153. 

  153.     {{16, 8},{23,15}},
    154. 

  154.     {{24, 8},{31,15}},
    155. 

  155.     {{ 0,16},{ 7,23}},
    156. 

  156.     {{ 8,16},{15,23}},
    157. 

  157.     {{ 0,24},{ 7,31}},
    158. 

  158.     {{ 8,24},{15,31}},
    159. 

  159.     {{16,16},{23,23}},
    160. 

  160.     {{24,16},{31,23}},
    161. 

  161.     {{16,24},{23,31}},
    162. 

  162.     {{24,24},{31,31}},
    163. 

  163.     {{ 0, 0},{15,15}},
    164. 

  164.     {{16, 0},{31,15}},
    165. 

  165.     {{ 0,16},{15,31}},
    166. 

  166.     {{16,16},{31,31}}
    167. 

  167. };
    168. 

  168. static const ElemCat elem_a1 = { 1, 1, 1, 20, elem_a1_data };
    169. 

  169. 

  170. static const Block elem_a2_data[] = {
    171. 

  171.     {{ 2, 2},{ 9, 9}},
    172. 

  172.     {{12, 2},{19, 9}},
    173. 

  173.     {{22, 2},{29, 9}},
    174. 

  174.     {{ 2,12},{ 9,19}},
    175. 

  175.     {{12,12},{19,19}},
    176. 

  176.     {{22,12},{29,19}},
    177. 

  177.     {{ 2,22},{ 9,29}},
    178. 

  178.     {{12,22},{19,29}},
    179. 

  179.     {{22,22},{29,29}},
    180. 

  180.     {{ 9, 9},{22,22}},
    181. 

  181.     {{ 6, 6},{25,25}},
    182. 

  182.     {{ 3, 3},{28,28}}
    183. 

  183. };
    184. 

  184. static const ElemCat elem_a2 = { 1, 1, 1, 12, elem_a2_data };
    185. 

  185. 

  186. static const Block elem_d1_data[] = {
    187. 

  187.     {{ 0, 0},{ 1, 3}},{{ 2, 0},{ 3, 3}},
    188. 

  188.     {{ 4, 0},{ 7, 1}},{{ 4, 2},{ 7, 3}},
    189. 

  189.     {{ 0, 6},{ 3, 7}},{{ 0, 4},{ 3, 5}},
    190. 

  190.     {{ 6, 4},{ 7, 7}},{{ 4, 4},{ 5, 7}},
    191. 

  191.     {{ 8, 0},{ 9, 3}},{{10, 0},{11, 3}},
    192. 

  192.     {{12, 0},{15, 1}},{{12, 2},{15, 3}},
    193. 

  193.     {{ 8, 6},{11, 7}},{{ 8, 4},{11, 5}},
    194. 

  194.     {{14, 4},{15, 7}},{{12, 4},{13, 7}},
    195. 

  195.     {{ 0, 8},{ 1,11}},{{ 2, 8},{ 3,11}},
    196. 

  196.     {{ 4, 8},{ 7, 9}},{{ 4,10},{ 7,11}},
    197. 

  197.     {{ 0,14},{ 3,15}},{{ 0,12},{ 3,13}},
    198. 

  198.     {{ 6,12},{ 7,15}},{{ 4,12},{ 5,15}},
    199. 

  199.     {{ 8, 8},{ 9,11}},{{10, 8},{11,11}},
    200. 

  200.     {{12, 8},{15, 9}},{{12,10},{15,11}},
    201. 

  201.     {{ 8,14},{11,15}},{{ 8,12},{11,13}},
    202. 

  202.     {{14,12},{15,15}},{{12,12},{13,15}},
    203. 

  203.     {{16, 0},{19, 1}},{{16, 2},{19, 3}},
    204. 

  204.     {{22, 0},{23, 3}},{{20, 0},{21, 3}},
    205. 

  205.     {{16, 4},{17, 7}},{{18, 4},{19, 7}},
    206. 

  206.     {{20, 6},{23, 7}},{{20, 4},{23, 5}},
    207. 

  207.     {{24, 0},{27, 1}},{{24, 2},{27, 3}},
    208. 

  208.     {{30, 0},{31, 3}},{{28, 0},{29, 3}},
    209. 

  209.     {{24, 4},{25, 7}},{{26, 4},{27, 7}},
    210. 

  210.     {{28, 6},{31, 7}},{{28, 4},{31, 5}},
    211. 

  211.     {{16, 8},{19, 9}},{{16,10},{19,11}},
    212. 

  212.     {{22, 8},{23,11}},{{20, 8},{21,11}},
    213. 

  213.     {{16,12},{17,15}},{{18,12},{19,15}},
    214. 

  214.     {{20,14},{23,15}},{{20,12},{23,13}},
    215. 

  215.     {{24, 8},{27, 9}},{{24,10},{27,11}},
    216. 

  216.     {{30, 8},{31,11}},{{28, 8},{29,11}},
    217. 

  217.     {{24,12},{25,15}},{{26,12},{27,15}},
    218. 

  218.     {{28,14},{31,15}},{{28,12},{31,13}},
    219. 

  219.     {{ 0,16},{ 3,17}},{{ 0,18},{ 3,19}},
    220. 

  220.     {{ 6,16},{ 7,19}},{{ 4,16},{ 5,19}},
    221. 

  221.     {{ 0,20},{ 1,23}},{{ 2,20},{ 3,23}},
    222. 

  222.     {{ 4,22},{ 7,23}},{{ 4,20},{ 7,21}},
    223. 

  223.     {{ 8,16},{11,17}},{{ 8,18},{11,19}},
    224. 

  224.     {{14,16},{15,19}},{{12,16},{13,19}},
    225. 

  225.     {{ 8,20},{ 9,23}},{{10,20},{11,23}},
    226. 

  226.     {{12,22},{15,23}},{{12,20},{15,21}},
    227. 

  227.     {{ 0,24},{ 3,25}},{{ 0,26},{ 3,27}},
    228. 

  228.     {{ 6,24},{ 7,27}},{{ 4,24},{ 5,27}},
    229. 

  229.     {{ 0,28},{ 1,31}},{{ 2,28},{ 3,31}},
    230. 

  230.     {{ 4,30},{ 7,31}},{{ 4,28},{ 7,29}},
    231. 

  231.     {{ 8,24},{11,25}},{{ 8,26},{11,27}},
    232. 

  232.     {{14,24},{15,27}},{{12,24},{13,27}},
    233. 

  233.     {{ 8,28},{ 9,31}},{{10,28},{11,31}},
    234. 

  234.     {{12,30},{15,31}},{{12,28},{15,29}},
    235. 

  235.     {{16,16},{17,19}},{{18,16},{19,19}},
    236. 

  236.     {{20,16},{23,17}},{{20,18},{23,19}},
    237. 

  237.     {{16,22},{19,23}},{{16,20},{19,21}},
    238. 

  238.     {{22,20},{23,23}},{{20,20},{21,23}},
    239. 

  239.     {{24,16},{25,19}},{{26,16},{27,19}},
    240. 

  240.     {{28,16},{31,17}},{{28,18},{31,19}},
    241. 

  241.     {{24,22},{27,23}},{{24,20},{27,21}},
    242. 

  242.     {{30,20},{31,23}},{{28,20},{29,23}},
    243. 

  243.     {{16,24},{17,27}},{{18,24},{19,27}},
    244. 

  244.     {{20,24},{23,25}},{{20,26},{23,27}},
    245. 

  245.     {{16,30},{19,31}},{{16,28},{19,29}},
    246. 

  246.     {{22,28},{23,31}},{{20,28},{21,31}},
    247. 

  247.     {{24,24},{25,27}},{{26,24},{27,27}},
    248. 

  248.     {{28,24},{31,25}},{{28,26},{31,27}},
    249. 

  249.     {{24,30},{27,31}},{{24,28},{27,29}},
    250. 

  250.     {{30,28},{31,31}},{{28,28},{29,31}},
    251. 

  251.     {{ 2, 2},{ 3, 5}},{{ 4, 2},{ 5, 5}},
    252. 

  252.     {{ 6, 2},{ 9, 3}},{{ 6, 4},{ 9, 5}},
    253. 

  253.     {{ 2, 8},{ 5, 9}},{{ 2, 6},{ 5, 7}},
    254. 

  254.     {{ 8, 6},{ 9, 9}},{{ 6, 6},{ 7, 9}},
    255. 

  255.     {{12, 2},{13, 5}},{{14, 2},{15, 5}},
    256. 

  256.     {{16, 2},{19, 3}},{{16, 4},{19, 5}},
    257. 

  257.     {{12, 8},{15, 9}},{{12, 6},{15, 7}},
    258. 

  258.     {{18, 6},{19, 9}},{{16, 6},{17, 9}},
    259. 

  259.     {{22, 2},{23, 5}},{{24, 2},{25, 5}},
    260. 

  260.     {{26, 2},{29, 3}},{{26, 4},{29, 5}},
    261. 

  261.     {{22, 8},{25, 9}},{{22, 6},{25, 7}},
    262. 

  262.     {{28, 6},{29, 9}},{{26, 6},{27, 9}},
    263. 

  263.     {{ 2,12},{ 3,15}},{{ 4,12},{ 5,15}},
    264. 

  264.     {{ 6,12},{ 9,13}},{{ 6,14},{ 9,15}},
    265. 

  265.     {{ 2,18},{ 5,19}},{{ 2,16},{ 5,17}},
    266. 

  266.     {{ 8,16},{ 9,19}},{{ 6,16},{ 7,19}},
    267. 

  267.     {{12,12},{15,13}},{{12,14},{15,15}},
    268. 

  268.     {{16,12},{19,13}},{{16,14},{19,15}},
    269. 

  269.     {{12,18},{15,19}},{{12,16},{15,17}},
    270. 

  270.     {{16,18},{19,19}},{{16,16},{19,17}},
    271. 

  271.     {{22,12},{23,15}},{{24,12},{25,15}},
    272. 

  272.     {{26,12},{29,13}},{{26,14},{29,15}},
    273. 

  273.     {{22,18},{25,19}},{{22,16},{25,17}},
    274. 

  274.     {{28,16},{29,19}},{{26,16},{27,19}},
    275. 

  275.     {{ 2,22},{ 3,25}},{{ 4,22},{ 5,25}},
    276. 

  276.     {{ 6,22},{ 9,23}},{{ 6,24},{ 9,25}},
    277. 

  277.     {{ 2,28},{ 5,29}},{{ 2,26},{ 5,27}},
    278. 

  278.     {{ 8,26},{ 9,29}},{{ 6,26},{ 7,29}},
    279. 

  279.     {{12,22},{13,25}},{{14,22},{15,25}},
    280. 

  280.     {{16,22},{19,23}},{{16,24},{19,25}},
    281. 

  281.     {{12,28},{15,29}},{{12,26},{15,27}},
    282. 

  282.     {{18,26},{19,29}},{{16,26},{17,29}},
    283. 

  283.     {{22,22},{23,25}},{{24,22},{25,25}},
    284. 

  284.     {{26,22},{29,23}},{{26,24},{29,25}},
    285. 

  285.     {{22,28},{25,29}},{{22,26},{25,27}},
    286. 

  286.     {{28,26},{29,29}},{{26,26},{27,29}},
    287. 

  287.     {{ 7, 7},{10, 8}},{{ 7, 9},{10,10}},
    288. 

  288.     {{11, 7},{12,10}},{{13, 7},{14,10}},
    289. 

  289.     {{ 7,11},{ 8,14}},{{ 9,11},{10,14}},
    290. 

  290.     {{11,11},{14,12}},{{11,13},{14,14}},
    291. 

  291.     {{17, 7},{20, 8}},{{17, 9},{20,10}},
    292. 

  292.     {{21, 7},{22,10}},{{23, 7},{24,10}},
    293. 

  293.     {{17,11},{18,14}},{{19,11},{20,14}},
    294. 

  294.     {{21,11},{24,12}},{{21,13},{24,14}},
    295. 

  295.     {{ 7,17},{10,18}},{{ 7,19},{10,20}},
    296. 

  296.     {{11,17},{12,20}},{{13,17},{14,20}},
    297. 

  297.     {{ 7,21},{ 8,24}},{{ 9,21},{10,24}},
    298. 

  298.     {{11,21},{14,22}},{{11,23},{14,24}},
    299. 

  299.     {{17,17},{20,18}},{{17,19},{20,20}},
    300. 

  300.     {{21,17},{22,20}},{{23,17},{24,20}},
    301. 

  301.     {{17,21},{18,24}},{{19,21},{20,24}},
    302. 

  302.     {{21,21},{24,22}},{{21,23},{24,24}}
    303. 

  303. };
    304. 

  304. static const ElemCat elem_d1 = { 0, 1, 2, 116, elem_d1_data };
    305. 

  305. 

  306. static const Block elem_d2_data[] = {
    307. 

  307.     {{ 0, 0},{ 3, 3}},{{ 4, 4},{ 7, 7}},{{ 4, 0},{ 7, 3}},{{ 0, 4},{ 3, 7}},
    308. 

  308.     {{ 8, 0},{11, 3}},{{12, 4},{15, 7}},{{12, 0},{15, 3}},{{ 8, 4},{11, 7}},
    309. 

  309.     {{16, 0},{19, 3}},{{20, 4},{23, 7}},{{20, 0},{23, 3}},{{16, 4},{19, 7}},
    310. 

  310.     {{24, 0},{27, 3}},{{28, 4},{31, 7}},{{28, 0},{31, 3}},{{24, 4},{27, 7}},
    311. 

  311.     {{ 0, 8},{ 3,11}},{{ 4,12},{ 7,15}},{{ 4, 8},{ 7,11}},{{ 0,12},{ 3,15}},
    312. 

  312.     {{ 8, 8},{11,11}},{{12,12},{15,15}},{{12, 8},{15,11}},{{ 8,12},{11,15}},
    313. 

  313.     {{16, 8},{19,11}},{{20,12},{23,15}},{{20, 8},{23,11}},{{16,12},{19,15}},
    314. 

  314.     {{24, 8},{27,11}},{{28,12},{31,15}},{{28, 8},{31,11}},{{24,12},{27,15}},
    315. 

  315.     {{ 0,16},{ 3,19}},{{ 4,20},{ 7,23}},{{ 4,16},{ 7,19}},{{ 0,20},{ 3,23}},
    316. 

  316.     {{ 8,16},{11,19}},{{12,20},{15,23}},{{12,16},{15,19}},{{ 8,20},{11,23}},
    317. 

  317.     {{16,16},{19,19}},{{20,20},{23,23}},{{20,16},{23,19}},{{16,20},{19,23}},
    318. 

  318.     {{24,16},{27,19}},{{28,20},{31,23}},{{28,16},{31,19}},{{24,20},{27,23}},
    319. 

  319.     {{ 0,24},{ 3,27}},{{ 4,28},{ 7,31}},{{ 4,24},{ 7,27}},{{ 0,28},{ 3,31}},
    320. 

  320.     {{ 8,24},{11,27}},{{12,28},{15,31}},{{12,24},{15,27}},{{ 8,28},{11,31}},
    321. 

  321.     {{16,24},{19,27}},{{20,28},{23,31}},{{20,24},{23,27}},{{16,28},{19,31}},
    322. 

  322.     {{24,24},{27,27}},{{28,28},{31,31}},{{28,24},{31,27}},{{24,28},{27,31}},
    323. 

  323.     {{ 4, 4},{ 7, 7}},{{ 8, 8},{11,11}},{{ 8, 4},{11, 7}},{{ 4, 8},{ 7,11}},
    324. 

  324.     {{12, 4},{15, 7}},{{16, 8},{19,11}},{{16, 4},{19, 7}},{{12, 8},{15,11}},
    325. 

  325.     {{20, 4},{23, 7}},{{24, 8},{27,11}},{{24, 4},{27, 7}},{{20, 8},{23,11}},
    326. 

  326.     {{ 4,12},{ 7,15}},{{ 8,16},{11,19}},{{ 8,12},{11,15}},{{ 4,16},{ 7,19}},
    327. 

  327.     {{12,12},{15,15}},{{16,16},{19,19}},{{16,12},{19,15}},{{12,16},{15,19}},
    328. 

  328.     {{20,12},{23,15}},{{24,16},{27,19}},{{24,12},{27,15}},{{20,16},{23,19}},
    329. 

  329.     {{ 4,20},{ 7,23}},{{ 8,24},{11,27}},{{ 8,20},{11,23}},{{ 4,24},{ 7,27}},
    330. 

  330.     {{12,20},{15,23}},{{16,24},{19,27}},{{16,20},{19,23}},{{12,24},{15,27}},
    331. 

  331.     {{20,20},{23,23}},{{24,24},{27,27}},{{24,20},{27,23}},{{20,24},{23,27}}
    332. 

  332. };
    333. 

  333. static const ElemCat elem_d2 = { 0, 2, 4, 25, elem_d2_data };
    334. 

  334. 

  335. static const Block elem_d3_data[] = {
    336. 

  336.     {{ 1, 1},{10,10}},{{11, 1},{20,10}},
    337. 

  337.     {{ 1, 1},{10,10}},{{21, 1},{30,10}},
    338. 

  338.     {{ 1, 1},{10,10}},{{ 1,11},{10,20}},
    339. 

  339.     {{ 1, 1},{10,10}},{{11,11},{20,20}},
    340. 

  340.     {{ 1, 1},{10,10}},{{21,11},{30,20}},
    341. 

  341.     {{ 1, 1},{10,10}},{{ 1,21},{10,30}},
    342. 

  342.     {{ 1, 1},{10,10}},{{11,21},{20,30}},
    343. 

  343.     {{ 1, 1},{10,10}},{{21,21},{30,30}},
    344. 

  344.     {{11, 1},{20,10}},{{21, 1},{30,10}},
    345. 

  345.     {{11, 1},{20,10}},{{ 1,11},{10,20}},
    346. 

  346.     {{11, 1},{20,10}},{{11,11},{20,20}},
    347. 

  347.     {{11, 1},{20,10}},{{21,11},{30,20}},
    348. 

  348.     {{11, 1},{20,10}},{{ 1,21},{10,30}},
    349. 

  349.     {{11, 1},{20,10}},{{11,21},{20,30}},
    350. 

  350.     {{11, 1},{20,10}},{{21,21},{30,30}},
    351. 

  351.     {{21, 1},{30,10}},{{ 1,11},{10,20}},
    352. 

  352.     {{21, 1},{30,10}},{{11,11},{20,20}},
    353. 

  353.     {{21, 1},{30,10}},{{21,11},{30,20}},
    354. 

  354.     {{21, 1},{30,10}},{{ 1,21},{10,30}},
    355. 

  355.     {{21, 1},{30,10}},{{11,21},{20,30}},
    356. 

  356.     {{21, 1},{30,10}},{{21,21},{30,30}},
    357. 

  357.     {{ 1,11},{10,20}},{{11,11},{20,20}},
    358. 

  358.     {{ 1,11},{10,20}},{{21,11},{30,20}},
    359. 

  359.     {{ 1,11},{10,20}},{{ 1,21},{10,30}},
    360. 

  360.     {{ 1,11},{10,20}},{{11,21},{20,30}},
    361. 

  361.     {{ 1,11},{10,20}},{{21,21},{30,30}},
    362. 

  362.     {{11,11},{20,20}},{{21,11},{30,20}},
    363. 

  363.     {{11,11},{20,20}},{{ 1,21},{10,30}},
    364. 

  364.     {{11,11},{20,20}},{{11,21},{20,30}},
    365. 

  365.     {{11,11},{20,20}},{{21,21},{30,30}},
    366. 

  366.     {{21,11},{30,20}},{{ 1,21},{10,30}},
    367. 

  367.     {{21,11},{30,20}},{{11,21},{20,30}},
    368. 

  368.     {{21,11},{30,20}},{{21,21},{30,30}},
    369. 

  369.     {{ 1,21},{10,30}},{{11,21},{20,30}},
    370. 

  370.     {{ 1,21},{10,30}},{{21,21},{30,30}},
    371. 

  371.     {{11,21},{20,30}},{{21,21},{30,30}}
    372. 

  372. };
    373. 

  373. static const ElemCat elem_d3 = { 0, 1, 2, 36, elem_d3_data };
    374. 

  374. 

  375. static const Block elem_d4_data[] = {
    376. 

  376.     {{ 7,13},{12,18}},{{19,13},{24,18}},
    377. 

  377.     {{13, 7},{18,12}},{{13,19},{18,24}},
    378. 

  378.     {{ 7, 7},{12,12}},{{19,19},{24,24}},
    379. 

  379.     {{19, 7},{24,12}},{{ 7,19},{12,24}},
    380. 

  380.     {{13, 7},{18,12}},{{19,13},{24,18}},
    381. 

  381.     {{19,13},{24,18}},{{13,19},{18,24}},
    382. 

  382.     {{13,19},{18,24}},{{ 7,13},{12,18}},
    383. 

  383.     {{ 7,13},{12,18}},{{13, 7},{18,12}},
    384. 

  384.     {{ 7, 7},{12,12}},{{19, 7},{24,12}},
    385. 

  385.     {{19, 7},{24,12}},{{19,19},{24,24}},
    386. 

  386.     {{19,19},{24,24}},{{ 7,19},{12,24}},
    387. 

  387.     {{ 7,19},{12,24}},{{ 7, 7},{12,12}},
    388. 

  388.     {{13,13},{18,18}},{{13, 1},{18, 6}},
    389. 

  389.     {{13,13},{18,18}},{{25,13},{30,18}},
    390. 

  390.     {{13,13},{18,18}},{{13,25},{18,30}},
    391. 

  391.     {{13,13},{18,18}},{{ 1,13},{ 6,18}},
    392. 

  392.     {{13, 1},{18, 6}},{{13,25},{18,30}},
    393. 

  393.     {{ 1,13},{ 6,18}},{{25,13},{30,18}},
    394. 

  394.     {{ 7, 1},{12, 6}},{{19, 1},{24, 6}},
    395. 

  395.     {{ 7,25},{12,30}},{{19,25},{24,30}},
    396. 

  396.     {{ 1, 7},{ 6,12}},{{ 1,19},{ 6,24}},
    397. 

  397.     {{25, 7},{30,12}},{{25,19},{30,24}},
    398. 

  398.     {{ 7, 1},{12, 6}},{{ 1, 7},{ 6,12}},
    399. 

  399.     {{19, 1},{24, 6}},{{25, 7},{30,12}},
    400. 

  400.     {{25,19},{30,24}},{{19,25},{24,30}},
    401. 

  401.     {{ 1,19},{ 6,24}},{{ 7,25},{12,30}},
    402. 

  402.     {{ 1, 1},{ 6, 6}},{{25, 1},{30, 6}},
    403. 

  403.     {{25, 1},{30, 6}},{{25,25},{30,30}},
    404. 

  404.     {{25,25},{30,30}},{{ 1,25},{ 6,30}},
    405. 

  405.     {{ 1,25},{ 6,30}},{{ 1, 1},{ 6, 6}}
    406. 

  406. };
    407. 

  407. static const ElemCat elem_d4 = { 0, 1, 2, 30, elem_d4_data };
    408. 

  408. 

  409. static const Block elem_d5_data[] = {
    410. 

  410.     {{ 1, 1},{10, 3}},{{ 1, 4},{ 3, 7}},{{ 8, 4},{10, 7}},{{ 1, 8},{10,10}},{{ 4, 4},{ 7, 7}},
    411. 

  411.     {{11, 1},{20, 3}},{{11, 4},{13, 7}},{{18, 4},{20, 7}},{{11, 8},{20,10}},{{14, 4},{17, 7}},
    412. 

  412.     {{21, 1},{30, 3}},{{21, 4},{23, 7}},{{28, 4},{30, 7}},{{21, 8},{30,10}},{{24, 4},{27, 7}},
    413. 

  413.     {{ 1,11},{10,13}},{{ 1,14},{ 3,17}},{{ 8,14},{10,17}},{{ 1,18},{10,20}},{{ 4,14},{ 7,17}},
    414. 

  414.     {{11,11},{20,13}},{{11,14},{13,17}},{{18,14},{20,17}},{{11,18},{20,20}},{{14,14},{17,17}},
    415. 

  415.     {{21,11},{30,13}},{{21,14},{23,17}},{{28,14},{30,17}},{{21,18},{30,20}},{{24,14},{27,17}},
    416. 

  416.     {{ 1,21},{10,23}},{{ 1,24},{ 3,27}},{{ 8,24},{10,27}},{{ 1,28},{10,30}},{{ 4,24},{ 7,27}},
    417. 

  417.     {{11,21},{20,23}},{{11,24},{13,27}},{{18,24},{20,27}},{{11,28},{20,30}},{{14,24},{17,27}},
    418. 

  418.     {{21,21},{30,23}},{{21,24},{23,27}},{{28,24},{30,27}},{{21,28},{30,30}},{{24,24},{27,27}},
    419. 

  419.     {{ 6, 6},{15, 8}},{{ 6, 9},{ 8,12}},{{13, 9},{15,12}},{{ 6,13},{15,15}},{{ 9, 9},{12,12}},
    420. 

  420.     {{16, 6},{25, 8}},{{16, 9},{18,12}},{{23, 9},{25,12}},{{16,13},{25,15}},{{19, 9},{22,12}},
    421. 

  421.     {{ 6,16},{15,18}},{{ 6,19},{ 8,22}},{{13,19},{15,22}},{{ 6,23},{15,25}},{{ 9,19},{12,22}},
    422. 

  422.     {{16,16},{25,18}},{{16,19},{18,22}},{{23,19},{25,22}},{{16,23},{25,25}},{{19,19},{22,22}},
    423. 

  423.     {{ 6, 1},{15, 3}},{{ 6, 4},{ 8, 7}},{{13, 4},{15, 7}},{{ 6, 8},{15,10}},{{ 9, 4},{12, 7}},
    424. 

  424.     {{16, 1},{25, 3}},{{16, 4},{18, 7}},{{23, 4},{25, 7}},{{16, 8},{25,10}},{{19, 4},{22, 7}},
    425. 

  425.     {{ 1, 6},{10, 8}},{{ 1, 9},{ 3,12}},{{ 8, 9},{10,12}},{{ 1,13},{10,15}},{{ 4, 9},{ 7,12}},
    426. 

  426.     {{11, 6},{20, 8}},{{11, 9},{13,12}},{{18, 9},{20,12}},{{11,13},{20,15}},{{14, 9},{17,12}},
    427. 

  427.     {{21, 6},{30, 8}},{{21, 9},{23,12}},{{28, 9},{30,12}},{{21,13},{30,15}},{{24, 9},{27,12}},
    428. 

  428.     {{ 6,11},{15,13}},{{ 6,14},{ 8,17}},{{13,14},{15,17}},{{ 6,18},{15,20}},{{ 9,14},{12,17}},
    429. 

  429.     {{16,11},{25,13}},{{16,14},{18,17}},{{23,14},{25,17}},{{16,18},{25,20}},{{19,14},{22,17}},
    430. 

  430.     {{ 1,16},{10,18}},{{ 1,19},{ 3,22}},{{ 8,19},{10,22}},{{ 1,23},{10,25}},{{ 4,19},{ 7,22}},
    431. 

  431.     {{11,16},{20,18}},{{11,19},{13,22}},{{18,19},{20,22}},{{11,23},{20,25}},{{14,19},{17,22}},
    432. 

  432.     {{21,16},{30,18}},{{21,19},{23,22}},{{28,19},{30,22}},{{21,23},{30,25}},{{24,19},{27,22}},
    433. 

  433.     {{ 6,21},{15,23}},{{ 6,24},{ 8,27}},{{13,24},{15,27}},{{ 6,28},{15,30}},{{ 9,24},{12,27}},
    434. 

  434.     {{16,21},{25,23}},{{16,24},{18,27}},{{23,24},{25,27}},{{16,28},{25,30}},{{19,24},{22,27}},
    435. 

  435.     {{ 2, 2},{14, 6}},{{ 2, 7},{ 6, 9}},{{10, 7},{14, 9}},{{ 2,10},{14,14}},{{ 7, 7},{ 9, 9}},
    436. 

  436.     {{ 7, 2},{19, 6}},{{ 7, 7},{11, 9}},{{15, 7},{19, 9}},{{ 7,10},{19,14}},{{12, 7},{14, 9}},
    437. 

  437.     {{12, 2},{24, 6}},{{12, 7},{16, 9}},{{20, 7},{24, 9}},{{12,10},{24,14}},{{17, 7},{19, 9}},
    438. 

  438.     {{17, 2},{29, 6}},{{17, 7},{21, 9}},{{25, 7},{29, 9}},{{17,10},{29,14}},{{22, 7},{24, 9}},
    439. 

  439.     {{ 2, 7},{14,11}},{{ 2,12},{ 6,14}},{{10,12},{14,14}},{{ 2,15},{14,19}},{{ 7,12},{ 9,14}},
    440. 

  440.     {{ 7, 7},{19,11}},{{ 7,12},{11,14}},{{15,12},{19,14}},{{ 7,15},{19,19}},{{12,12},{14,14}},
    441. 

  441.     {{12, 7},{24,11}},{{12,12},{16,14}},{{20,12},{24,14}},{{12,15},{24,19}},{{17,12},{19,14}},
    442. 

  442.     {{17, 7},{29,11}},{{17,12},{21,14}},{{25,12},{29,14}},{{17,15},{29,19}},{{22,12},{24,14}},
    443. 

  443.     {{ 2,12},{14,16}},{{ 2,17},{ 6,19}},{{10,17},{14,19}},{{ 2,20},{14,24}},{{ 7,17},{ 9,19}},
    444. 

  444.     {{ 7,12},{19,16}},{{ 7,17},{11,19}},{{15,17},{19,19}},{{ 7,20},{19,24}},{{12,17},{14,19}},
    445. 

  445.     {{12,12},{24,16}},{{12,17},{16,19}},{{20,17},{24,19}},{{12,20},{24,24}},{{17,17},{19,19}},
    446. 

  446.     {{17,12},{29,16}},{{17,17},{21,19}},{{25,17},{29,19}},{{17,20},{29,24}},{{22,17},{24,19}},
    447. 

  447.     {{ 2,17},{14,21}},{{ 2,22},{ 6,24}},{{10,22},{14,24}},{{ 2,25},{14,29}},{{ 7,22},{ 9,24}},
    448. 

  448.     {{ 7,17},{19,21}},{{ 7,22},{11,24}},{{15,22},{19,24}},{{ 7,25},{19,29}},{{12,22},{14,24}},
    449. 

  449.     {{12,17},{24,21}},{{12,22},{16,24}},{{20,22},{24,24}},{{12,25},{24,29}},{{17,22},{19,24}},
    450. 

  450.     {{17,17},{29,21}},{{17,22},{21,24}},{{25,22},{29,24}},{{17,25},{29,29}},{{22,22},{24,24}},
    451. 

  451.     {{ 8, 3},{13, 4}},{{ 8, 5},{ 9, 6}},{{12, 5},{13, 6}},{{ 8, 7},{13, 8}},{{10, 5},{11, 6}},
    452. 

  452.     {{13, 3},{18, 4}},{{13, 5},{14, 6}},{{17, 5},{18, 6}},{{13, 7},{18, 8}},{{15, 5},{16, 6}},
    453. 

  453.     {{18, 3},{23, 4}},{{18, 5},{19, 6}},{{22, 5},{23, 6}},{{18, 7},{23, 8}},{{20, 5},{21, 6}},
    454. 

  454.     {{ 3, 8},{ 8, 9}},{{ 3,10},{ 4,11}},{{ 7,10},{ 8,11}},{{ 3,12},{ 8,13}},{{ 5,10},{ 6,11}},
    455. 

  455.     {{ 8, 8},{13, 9}},{{ 8,10},{ 9,11}},{{12,10},{13,11}},{{ 8,12},{13,13}},{{10,10},{11,11}},
    456. 

  456.     {{13, 8},{18, 9}},{{13,10},{14,11}},{{17,10},{18,11}},{{13,12},{18,13}},{{15,10},{16,11}},
    457. 

  457.     {{18, 8},{23, 9}},{{18,10},{19,11}},{{22,10},{23,11}},{{18,12},{23,13}},{{20,10},{21,11}},
    458. 

  458.     {{23, 8},{28, 9}},{{23,10},{24,11}},{{27,10},{28,11}},{{23,12},{28,13}},{{25,10},{26,11}},
    459. 

  459.     {{ 3,13},{ 8,14}},{{ 3,15},{ 4,16}},{{ 7,15},{ 8,16}},{{ 3,17},{ 8,18}},{{ 5,15},{ 6,16}},
    460. 

  460.     {{ 8,13},{13,14}},{{ 8,15},{ 9,16}},{{12,15},{13,16}},{{ 8,17},{13,18}},{{10,15},{11,16}},
    461. 

  461.     {{13,13},{18,14}},{{13,15},{14,16}},{{17,15},{18,16}},{{13,17},{18,18}},{{15,15},{16,16}},
    462. 

  462.     {{18,13},{23,14}},{{18,15},{19,16}},{{22,15},{23,16}},{{18,17},{23,18}},{{20,15},{21,16}},
    463. 

  463.     {{23,13},{28,14}},{{23,15},{24,16}},{{27,15},{28,16}},{{23,17},{28,18}},{{25,15},{26,16}},
    464. 

  464.     {{ 3,18},{ 8,19}},{{ 3,20},{ 4,21}},{{ 7,20},{ 8,21}},{{ 3,22},{ 8,23}},{{ 5,20},{ 6,21}},
    465. 

  465.     {{ 8,18},{13,19}},{{ 8,20},{ 9,21}},{{12,20},{13,21}},{{ 8,22},{13,23}},{{10,20},{11,21}},
    466. 

  466.     {{13,18},{18,19}},{{13,20},{14,21}},{{17,20},{18,21}},{{13,22},{18,23}},{{15,20},{16,21}},
    467. 

  467.     {{18,18},{23,19}},{{18,20},{19,21}},{{22,20},{23,21}},{{18,22},{23,23}},{{20,20},{21,21}},
    468. 

  468.     {{23,18},{28,19}},{{23,20},{24,21}},{{27,20},{28,21}},{{23,22},{28,23}},{{25,20},{26,21}},
    469. 

  469.     {{ 8,23},{13,24}},{{ 8,25},{ 9,26}},{{12,25},{13,26}},{{ 8,27},{13,28}},{{10,25},{11,26}},
    470. 

  470.     {{13,23},{18,24}},{{13,25},{14,26}},{{17,25},{18,26}},{{13,27},{18,28}},{{15,25},{16,26}},
    471. 

  471.     {{18,23},{23,24}},{{18,25},{19,26}},{{22,25},{23,26}},{{18,27},{23,28}},{{20,25},{21,26}}
    472. 

  472. };
    473. 

  473. static const ElemCat elem_d5 = { 0, 4, 5, 62, elem_d5_data };
    474. 

  474. 

  475. static const Block elem_d6_data[] = {
    476. 

  476.     {{ 3, 5},{12,10}},{{ 5, 3},{10,12}},
    477. 

  477.     {{11, 5},{20,10}},{{13, 3},{18,12}},
    478. 

  478.     {{19, 5},{28,10}},{{21, 3},{26,12}},
    479. 

  479.     {{ 3,13},{12,18}},{{ 5,11},{10,20}},
    480. 

  480.     {{11,13},{20,18}},{{13,11},{18,20}},
    481. 

  481.     {{19,13},{28,18}},{{21,11},{26,20}},
    482. 

  482.     {{ 3,21},{12,26}},{{ 5,19},{10,28}},
    483. 

  483.     {{11,21},{20,26}},{{13,19},{18,28}},
    484. 

  484.     {{19,21},{28,26}},{{21,19},{26,28}}
    485. 

  485. };
    486. 

  486. static const ElemCat elem_d6 = { 0, 1, 2, 9, elem_d6_data };
    487. 

  487. 

  488. static const Block elem_d7_data[] = {
    489. 

  489.     {{ 0, 4},{ 3, 7}},{{ 8, 4},{11, 7}},{{ 4, 4},{ 7, 7}},
    490. 

  490.     {{ 4, 0},{ 7, 3}},{{ 4, 8},{ 7,11}},{{ 4, 4},{ 7, 7}},
    491. 

  491.     {{ 5, 4},{ 8, 7}},{{13, 4},{16, 7}},{{ 9, 4},{12, 7}},
    492. 

  492.     {{ 9, 0},{12, 3}},{{ 9, 8},{12,11}},{{ 9, 4},{12, 7}},
    493. 

  493.     {{10, 4},{13, 7}},{{18, 4},{21, 7}},{{14, 4},{17, 7}},
    494. 

  494.     {{14, 0},{17, 3}},{{14, 8},{17,11}},{{14, 4},{17, 7}},
    495. 

  495.     {{15, 4},{18, 7}},{{23, 4},{26, 7}},{{19, 4},{22, 7}},
    496. 

  496.     {{19, 0},{22, 3}},{{19, 8},{22,11}},{{19, 4},{22, 7}},
    497. 

  497.     {{20, 4},{23, 7}},{{28, 4},{31, 7}},{{24, 4},{27, 7}},
    498. 

  498.     {{24, 0},{27, 3}},{{24, 8},{27,11}},{{24, 4},{27, 7}},
    499. 

  499.     {{ 0, 9},{ 3,12}},{{ 8, 9},{11,12}},{{ 4, 9},{ 7,12}},
    500. 

  500.     {{ 4, 5},{ 7, 8}},{{ 4,13},{ 7,16}},{{ 4, 9},{ 7,12}},
    501. 

  501.     {{ 5, 9},{ 8,12}},{{13, 9},{16,12}},{{ 9, 9},{12,12}},
    502. 

  502.     {{ 9, 5},{12, 8}},{{ 9,13},{12,16}},{{ 9, 9},{12,12}},
    503. 

  503.     {{10, 9},{13,12}},{{18, 9},{21,12}},{{14, 9},{17,12}},
    504. 

  504.     {{14, 5},{17, 8}},{{14,13},{17,16}},{{14, 9},{17,12}},
    505. 

  505.     {{15, 9},{18,12}},{{23, 9},{26,12}},{{19, 9},{22,12}},
    506. 

  506.     {{19, 5},{22, 8}},{{19,13},{22,16}},{{19, 9},{22,12}},
    507. 

  507.     {{20, 9},{23,12}},{{28, 9},{31,12}},{{24, 9},{27,12}},
    508. 

  508.     {{24, 5},{27, 8}},{{24,13},{27,16}},{{24, 9},{27,12}},
    509. 

  509.     {{ 0,14},{ 3,17}},{{ 8,14},{11,17}},{{ 4,14},{ 7,17}},
    510. 

  510.     {{ 4,10},{ 7,13}},{{ 4,18},{ 7,21}},{{ 4,14},{ 7,17}},
    511. 

  511.     {{ 5,14},{ 8,17}},{{13,14},{16,17}},{{ 9,14},{12,17}},
    512. 

  512.     {{ 9,10},{12,13}},{{ 9,18},{12,21}},{{ 9,14},{12,17}},
    513. 

  513.     {{10,14},{13,17}},{{18,14},{21,17}},{{14,14},{17,17}},
    514. 

  514.     {{14,10},{17,13}},{{14,18},{17,21}},{{14,14},{17,17}},
    515. 

  515.     {{15,14},{18,17}},{{23,14},{26,17}},{{19,14},{22,17}},
    516. 

  516.     {{19,10},{22,13}},{{19,18},{22,21}},{{19,14},{22,17}},
    517. 

  517.     {{20,14},{23,17}},{{28,14},{31,17}},{{24,14},{27,17}},
    518. 

  518.     {{24,10},{27,13}},{{24,18},{27,21}},{{24,14},{27,17}},
    519. 

  519.     {{ 0,19},{ 3,22}},{{ 8,19},{11,22}},{{ 4,19},{ 7,22}},
    520. 

  520.     {{ 4,15},{ 7,18}},{{ 4,23},{ 7,26}},{{ 4,19},{ 7,22}},
    521. 

  521.     {{ 5,19},{ 8,22}},{{13,19},{16,22}},{{ 9,19},{12,22}},
    522. 

  522.     {{ 9,15},{12,18}},{{ 9,23},{12,26}},{{ 9,19},{12,22}},
    523. 

  523.     {{10,19},{13,22}},{{18,19},{21,22}},{{14,19},{17,22}},
    524. 

  524.     {{14,15},{17,18}},{{14,23},{17,26}},{{14,19},{17,22}},
    525. 

  525.     {{15,19},{18,22}},{{23,19},{26,22}},{{19,19},{22,22}},
    526. 

  526.     {{19,15},{22,18}},{{19,23},{22,26}},{{19,19},{22,22}},
    527. 

  527.     {{20,19},{23,22}},{{28,19},{31,22}},{{24,19},{27,22}},
    528. 

  528.     {{24,15},{27,18}},{{24,23},{27,26}},{{24,19},{27,22}},
    529. 

  529.     {{ 0,24},{ 3,27}},{{ 8,24},{11,27}},{{ 4,24},{ 7,27}},
    530. 

  530.     {{ 4,20},{ 7,23}},{{ 4,28},{ 7,31}},{{ 4,24},{ 7,27}},
    531. 

  531.     {{ 5,24},{ 8,27}},{{13,24},{16,27}},{{ 9,24},{12,27}},
    532. 

  532.     {{ 9,20},{12,23}},{{ 9,28},{12,31}},{{ 9,24},{12,27}},
    533. 

  533.     {{10,24},{13,27}},{{18,24},{21,27}},{{14,24},{17,27}},
    534. 

  534.     {{14,20},{17,23}},{{14,28},{17,31}},{{14,24},{17,27}},
    535. 

  535.     {{15,24},{18,27}},{{23,24},{26,27}},{{19,24},{22,27}},
    536. 

  536.     {{19,20},{22,23}},{{19,28},{22,31}},{{19,24},{22,27}},
    537. 

  537.     {{20,24},{23,27}},{{28,24},{31,27}},{{24,24},{27,27}},
    538. 

  538.     {{24,20},{27,23}},{{24,28},{27,31}},{{24,24},{27,27}}
    539. 

  539. };
    540. 

  540. static const ElemCat elem_d7 = { 0, 2, 3, 50, elem_d7_data };
    541. 

  541. 

  542. static const Block elem_d8_data[] = {
    543. 

  543.     {{ 0, 0},{ 7, 3}},{{ 0, 4},{ 7, 7}},
    544. 

  544.     {{ 8, 0},{11, 7}},{{12, 0},{15, 7}},
    545. 

  545.     {{ 0, 8},{ 3,15}},{{ 4, 8},{ 7,15}},
    546. 

  546.     {{ 8, 8},{15,11}},{{ 8,12},{15,15}},
    547. 

  547.     {{16, 0},{19, 7}},{{20, 0},{23, 7}},
    548. 

  548.     {{24, 0},{31, 3}},{{24, 4},{31, 7}},
    549. 

  549.     {{16, 8},{23,11}},{{16,12},{23,15}},
    550. 

  550.     {{24, 8},{27,15}},{{28, 8},{31,15}},
    551. 

  551.     {{ 0,16},{ 3,23}},{{ 4,16},{ 7,23}},
    552. 

  552.     {{ 8,16},{15,19}},{{ 8,20},{15,23}},
    553. 

  553.     {{ 0,24},{ 7,27}},{{ 0,28},{ 7,31}},
    554. 

  554.     {{ 8,24},{11,31}},{{12,24},{15,31}},
    555. 

  555.     {{16,16},{23,19}},{{16,20},{23,23}},
    556. 

  556.     {{24,16},{27,23}},{{28,16},{31,23}},
    557. 

  557.     {{16,24},{19,31}},{{20,24},{23,31}},
    558. 

  558.     {{24,24},{31,27}},{{24,28},{31,31}},
    559. 

  559.     {{ 0, 0},{ 7,15}},{{ 8, 0},{15,15}},
    560. 

  560.     {{16, 0},{31, 7}},{{16, 8},{31,15}},
    561. 

  561.     {{ 0,16},{15,23}},{{ 0,24},{15,31}},
    562. 

  562.     {{16,16},{23,31}},{{24,16},{31,31}}
    563. 

  563. };
    564. 

  564. static const ElemCat elem_d8 = { 0, 1, 2, 20, elem_d8_data };
    565. 

  565. 

  566. static const ElemCat* elements[ELEMENT_COUNT] = { &elem_a1, &elem_a2,
    567. 

  567.                                                   &elem_d1, &elem_d2, &elem_d3, &elem_d4,
    568. 

  568.                                                   &elem_d5, &elem_d6, &elem_d7, &elem_d8 };
    569. 

  569. #endif /* AVFILTER_SIGNATURE_H */
    570.