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vp56data.h

vp56data.h 12 KB
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  1. /**
    2. 

  2.  * @file libavcodec/vp56data.h
    3. 

  3.  * VP5 and VP6 compatible video decoder (common data)
    4. 

  4.  *
    5. 

  5.  * Copyright (C) 2006  Aurelien Jacobs <aurel@gnuage.org>
    6. 

  6.  *
    7. 

  7.  * This file is part of FFmpeg.
    8. 

  8.  *
    9. 

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

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

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

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

  13.  *
    14. 

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

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

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

  17.  * Lesser General Public License for more details.
    18. 

  18.  *
    19. 

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

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

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

  22.  */
    23. 

  23. 

  24. #ifndef AVCODEC_VP56DATA_H
    25. 

  25. #define AVCODEC_VP56DATA_H
    26. 

  26. 

  27. #include "libavutil/common.h"
    28. 

  28. 

  29. typedef enum {
    30. 

  30.     VP56_FRAME_NONE     =-1,
    31. 

  31.     VP56_FRAME_CURRENT  = 0,
    32. 

  32.     VP56_FRAME_PREVIOUS = 1,
    33. 

  33.     VP56_FRAME_GOLDEN   = 2,
    34. 

  34.     VP56_FRAME_GOLDEN2  = 3,
    35. 

  35.     VP56_FRAME_UNUSED   = 4,
    36. 

  36.     VP56_FRAME_UNUSED2  = 5,
    37. 

  37. } VP56Frame;
    38. 

  38. 

  39. typedef enum {
    40. 

  40.     VP56_MB_INTER_NOVEC_PF = 0,  /**< Inter MB, no vector, from previous frame */
    41. 

  41.     VP56_MB_INTRA          = 1,  /**< Intra MB */
    42. 

  42.     VP56_MB_INTER_DELTA_PF = 2,  /**< Inter MB, above/left vector + delta, from previous frame */
    43. 

  43.     VP56_MB_INTER_V1_PF    = 3,  /**< Inter MB, first vector, from previous frame */
    44. 

  44.     VP56_MB_INTER_V2_PF    = 4,  /**< Inter MB, second vector, from previous frame */
    45. 

  45.     VP56_MB_INTER_NOVEC_GF = 5,  /**< Inter MB, no vector, from golden frame */
    46. 

  46.     VP56_MB_INTER_DELTA_GF = 6,  /**< Inter MB, above/left vector + delta, from golden frame */
    47. 

  47.     VP56_MB_INTER_4V       = 7,  /**< Inter MB, 4 vectors, from previous frame */
    48. 

  48.     VP56_MB_INTER_V1_GF    = 8,  /**< Inter MB, first vector, from golden frame */
    49. 

  49.     VP56_MB_INTER_V2_GF    = 9,  /**< Inter MB, second vector, from golden frame */
    50. 

  50. } VP56mb;
    51. 

  51. 

  52. typedef struct {
    53. 

  53.   int8_t val;
    54. 

  54.   int8_t prob_idx;
    55. 

  55. } VP56Tree;
    56. 

  56. 

  57. extern const uint8_t vp56_b2p[];
    58. 

  58. extern const uint8_t vp56_b6to4[];
    59. 

  59. extern const uint8_t vp56_coeff_parse_table[6][11];
    60. 

  60. extern const uint8_t vp56_def_mb_types_stats[3][10][2];
    61. 

  61. extern const VP56Tree vp56_pva_tree[];
    62. 

  62. extern const VP56Tree vp56_pc_tree[];
    63. 

  63. extern const uint8_t vp56_coeff_bias[];
    64. 

  64. extern const uint8_t vp56_coeff_bit_length[];
    65. 

  65. 

  66. static const VP56Frame vp56_reference_frame[] = {
    67. 

  67.     VP56_FRAME_PREVIOUS,  /* VP56_MB_INTER_NOVEC_PF */
    68. 

  68.     VP56_FRAME_CURRENT,   /* VP56_MB_INTRA */
    69. 

  69.     VP56_FRAME_PREVIOUS,  /* VP56_MB_INTER_DELTA_PF */
    70. 

  70.     VP56_FRAME_PREVIOUS,  /* VP56_MB_INTER_V1_PF */
    71. 

  71.     VP56_FRAME_PREVIOUS,  /* VP56_MB_INTER_V2_PF */
    72. 

  72.     VP56_FRAME_GOLDEN,    /* VP56_MB_INTER_NOVEC_GF */
    73. 

  73.     VP56_FRAME_GOLDEN,    /* VP56_MB_INTER_DELTA_GF */
    74. 

  74.     VP56_FRAME_PREVIOUS,  /* VP56_MB_INTER_4V */
    75. 

  75.     VP56_FRAME_GOLDEN,    /* VP56_MB_INTER_V1_GF */
    76. 

  76.     VP56_FRAME_GOLDEN,    /* VP56_MB_INTER_V2_GF */
    77. 

  77. };
    78. 

  78. 

  79. static const uint8_t vp56_ac_dequant[64] = {
    80. 

  80.     94, 92, 90, 88, 86, 82, 78, 74,
    81. 

  81.     70, 66, 62, 58, 54, 53, 52, 51,
    82. 

  82.     50, 49, 48, 47, 46, 45, 44, 43,
    83. 

  83.     42, 40, 39, 37, 36, 35, 34, 33,
    84. 

  84.     32, 31, 30, 29, 28, 27, 26, 25,
    85. 

  85.     24, 23, 22, 21, 20, 19, 18, 17,
    86. 

  86.     16, 15, 14, 13, 12, 11, 10,  9,
    87. 

  87.      8,  7,  6,  5,  4,  3,  2,  1,
    88. 

  88. };
    89. 

  89. 

  90. static const uint8_t vp56_dc_dequant[64] = {
    91. 

  91.     47, 47, 47, 47, 45, 43, 43, 43,
    92. 

  92.     43, 43, 42, 41, 41, 40, 40, 40,
    93. 

  93.     40, 35, 35, 35, 35, 33, 33, 33,
    94. 

  94.     33, 32, 32, 32, 27, 27, 26, 26,
    95. 

  95.     25, 25, 24, 24, 23, 23, 19, 19,
    96. 

  96.     19, 19, 18, 18, 17, 16, 16, 16,
    97. 

  97.     16, 16, 15, 11, 11, 11, 10, 10,
    98. 

  98.      9,  8,  7,  5,  3,  3,  2,  2,
    99. 

  99. };
    100. 

  100. 

  101. static const uint8_t vp56_pre_def_mb_type_stats[16][3][10][2] = {
    102. 

  102.   { { {   9, 15 }, {  32, 25 }, {  7,  19 }, {   9, 21 }, {  1, 12 },
    103. 

  103.       {  14, 12 }, {   3, 18 }, { 14,  23 }, {   3, 10 }, {  0,  4 }, },
    104. 

  104.     { {  41, 22 }, {   1,  0 }, {  1,  31 }, {   0,  0 }, {  0,  0 },
    105. 

  105.       {   0,  1 }, {   1,  7 }, {  0,   1 }, {  98, 25 }, {  4, 10 }, },
    106. 

  106.     { {   2,  3 }, {   2,  3 }, {  0,   2 }, {   0,  2 }, {  0,  0 },
    107. 

  107.       {  11,  4 }, {   1,  4 }, {  0,   2 }, {   3,  2 }, {  0,  4 }, }, },
    108. 

  108.   { { {  48, 39 }, {   1,  2 }, { 11,  27 }, {  29, 44 }, {  7, 27 },
    109. 

  109.       {   1,  4 }, {   0,  3 }, {  1,   6 }, {   1,  2 }, {  0,  0 }, },
    110. 

  110.     { { 123, 37 }, {   6,  4 }, {  1,  27 }, {   0,  0 }, {  0,  0 },
    111. 

  111.       {   5,  8 }, {   1,  7 }, {  0,   1 }, {  12, 10 }, {  0,  2 }, },
    112. 

  112.     { {  49, 46 }, {   3,  4 }, {  7,  31 }, {  42, 41 }, {  0,  0 },
    113. 

  113.       {   2,  6 }, {   1,  7 }, {  1,   4 }, {   2,  4 }, {  0,  1 }, }, },
    114. 

  114.   { { {  21, 32 }, {   1,  2 }, {  4,  10 }, {  32, 43 }, {  6, 23 },
    115. 

  115.       {   2,  3 }, {   1, 19 }, {  1,   6 }, {  12, 21 }, {  0,  7 }, },
    116. 

  116.     { {  26, 14 }, {  14, 12 }, {  0,  24 }, {   0,  0 }, {  0,  0 },
    117. 

  117.       {  55, 17 }, {   1,  9 }, {  0,  36 }, {   5,  7 }, {  1,  3 }, },
    118. 

  118.     { {  26, 25 }, {   1,  1 }, {  2,  10 }, {  67, 39 }, {  0,  0 },
    119. 

  119.       {   1,  1 }, {   0, 14 }, {  0,   2 }, {  31, 26 }, {  1,  6 }, }, },
    120. 

  120.   { { {  69, 83 }, {   0,  0 }, {  0,   2 }, {  10, 29 }, {  3, 12 },
    121. 

  121.       {   0,  1 }, {   0,  3 }, {  0,   3 }, {   2,  2 }, {  0,  0 }, },
    122. 

  122.     { { 209,  5 }, {   0,  0 }, {  0,  27 }, {   0,  0 }, {  0,  0 },
    123. 

  123.       {   0,  1 }, {   0,  1 }, {  0,   1 }, {   0,  0 }, {  0,  0 }, },
    124. 

  124.     { { 103, 46 }, {   1,  2 }, {  2,  10 }, {  33, 42 }, {  0,  0 },
    125. 

  125.       {   1,  4 }, {   0,  3 }, {  0,   1 }, {   1,  3 }, {  0,  0 }, }, },
    126. 

  126.   { { {  11, 20 }, {   1,  4 }, { 18,  36 }, {  43, 48 }, { 13, 35 },
    127. 

  127.       {   0,  2 }, {   0,  5 }, {  3,  12 }, {   1,  2 }, {  0,  0 }, },
    128. 

  128.     { {   2,  5 }, {   4,  5 }, {  0, 121 }, {   0,  0 }, {  0,  0 },
    129. 

  129.       {   0,  3 }, {   2,  4 }, {  1,   4 }, {   2,  2 }, {  0,  1 }, },
    130. 

  130.     { {  14, 31 }, {   9, 13 }, { 14,  54 }, {  22, 29 }, {  0,  0 },
    131. 

  131.       {   2,  6 }, {   4, 18 }, {  6,  13 }, {   1,  5 }, {  0,  1 }, }, },
    132. 

  132.   { { {  70, 44 }, {   0,  1 }, {  2,  10 }, {  37, 46 }, {  8, 26 },
    133. 

  133.       {   0,  2 }, {   0,  2 }, {  0,   2 }, {   0,  1 }, {  0,  0 }, },
    134. 

  134.     { { 175,  5 }, {   0,  1 }, {  0,  48 }, {   0,  0 }, {  0,  0 },
    135. 

  135.       {   0,  2 }, {   0,  1 }, {  0,   2 }, {   0,  1 }, {  0,  0 }, },
    136. 

  136.     { {  85, 39 }, {   0,  0 }, {  1,   9 }, {  69, 40 }, {  0,  0 },
    137. 

  137.       {   0,  1 }, {   0,  3 }, {  0,   1 }, {   2,  3 }, {  0,  0 }, }, },
    138. 

  138.   { { {   8, 15 }, {   0,  1 }, {  8,  21 }, {  74, 53 }, { 22, 42 },
    139. 

  139.       {   0,  1 }, {   0,  2 }, {  0,   3 }, {   1,  2 }, {  0,  0 }, },
    140. 

  140.     { {  83,  5 }, {   2,  3 }, {  0, 102 }, {   0,  0 }, {  0,  0 },
    141. 

  141.       {   1,  3 }, {   0,  2 }, {  0,   1 }, {   0,  0 }, {  0,  0 }, },
    142. 

  142.     { {  31, 28 }, {   0,  0 }, {  3,  14 }, { 130, 34 }, {  0,  0 },
    143. 

  143.       {   0,  1 }, {   0,  3 }, {  0,   1 }, {   3,  3 }, {  0,  1 }, }, },
    144. 

  144.   { { { 141, 42 }, {   0,  0 }, {  1,   4 }, {  11, 24 }, {  1, 11 },
    145. 

  145.       {   0,  1 }, {   0,  1 }, {  0,   2 }, {   0,  0 }, {  0,  0 }, },
    146. 

  146.     { { 233,  6 }, {   0,  0 }, {  0,   8 }, {   0,  0 }, {  0,  0 },
    147. 

  147.       {   0,  1 }, {   0,  1 }, {  0,   0 }, {   0,  1 }, {  0,  0 }, },
    148. 

  148.     { { 171, 25 }, {   0,  0 }, {  1,   5 }, {  25, 21 }, {  0,  0 },
    149. 

  149.       {   0,  1 }, {   0,  1 }, {  0,   0 }, {   0,  0 }, {  0,  0 }, }, },
    150. 

  150.   { { {   8, 19 }, {   4, 10 }, { 24,  45 }, {  21, 37 }, {  9, 29 },
    151. 

  151.       {   0,  3 }, {   1,  7 }, { 11,  25 }, {   0,  2 }, {  0,  1 }, },
    152. 

  152.     { {  34, 16 }, { 112, 21 }, {  1,  28 }, {   0,  0 }, {  0,  0 },
    153. 

  153.       {   6,  8 }, {   1,  7 }, {  0,   3 }, {   2,  5 }, {  0,  2 }, },
    154. 

  154.     { {  17, 21 }, {  68, 29 }, {  6,  15 }, {  13, 22 }, {  0,  0 },
    155. 

  155.       {   6, 12 }, {   3, 14 }, {  4,  10 }, {   1,  7 }, {  0,  3 }, }, },
    156. 

  156.   { { {  46, 42 }, {   0,  1 }, {  2,  10 }, {  54, 51 }, { 10, 30 },
    157. 

  157.       {   0,  2 }, {   0,  2 }, {  0,   1 }, {   0,  1 }, {  0,  0 }, },
    158. 

  158.     { { 159, 35 }, {   2,  2 }, {  0,  25 }, {   0,  0 }, {  0,  0 },
    159. 

  159.       {   3,  6 }, {   0,  5 }, {  0,   1 }, {   4,  4 }, {  0,  1 }, },
    160. 

  160.     { {  51, 39 }, {   0,  1 }, {  2,  12 }, {  91, 44 }, {  0,  0 },
    161. 

  161.       {   0,  2 }, {   0,  3 }, {  0,   1 }, {   2,  3 }, {  0,  1 }, }, },
    162. 

  162.   { { {  28, 32 }, {   0,  0 }, {  3,  10 }, {  75, 51 }, { 14, 33 },
    163. 

  163.       {   0,  1 }, {   0,  2 }, {  0,   1 }, {   1,  2 }, {  0,  0 }, },
    164. 

  164.     { {  75, 39 }, {   5,  7 }, {  2,  48 }, {   0,  0 }, {  0,  0 },
    165. 

  165.       {   3, 11 }, {   2, 16 }, {  1,   4 }, {   7, 10 }, {  0,  2 }, },
    166. 

  166.     { {  81, 25 }, {   0,  0 }, {  2,   9 }, { 106, 26 }, {  0,  0 },
    167. 

  167.       {   0,  1 }, {   0,  1 }, {  0,   1 }, {   1,  1 }, {  0,  0 }, }, },
    168. 

  168.   { { { 100, 46 }, {   0,  1 }, {  3,   9 }, {  21, 37 }, {  5, 20 },
    169. 

  169.       {   0,  1 }, {   0,  2 }, {  1,   2 }, {   0,  1 }, {  0,  0 }, },
    170. 

  170.     { { 212, 21 }, {   0,  1 }, {  0,   9 }, {   0,  0 }, {  0,  0 },
    171. 

  171.       {   1,  2 }, {   0,  2 }, {  0,   0 }, {   2,  2 }, {  0,  0 }, },
    172. 

  172.     { { 140, 37 }, {   0,  1 }, {  1,   8 }, {  24, 33 }, {  0,  0 },
    173. 

  173.       {   1,  2 }, {   0,  2 }, {  0,   1 }, {   1,  2 }, {  0,  0 }, }, },
    174. 

  174.   { { {  27, 29 }, {   0,  1 }, {  9,  25 }, {  53, 51 }, { 12, 34 },
    175. 

  175.       {   0,  1 }, {   0,  3 }, {  1,   5 }, {   0,  2 }, {  0,  0 }, },
    176. 

  176.     { {   4,  2 }, {   0,  0 }, {  0, 172 }, {   0,  0 }, {  0,  0 },
    177. 

  177.       {   0,  1 }, {   0,  2 }, {  0,   0 }, {   2,  0 }, {  0,  0 }, },
    178. 

  178.     { {  14, 23 }, {   1,  3 }, { 11,  53 }, {  90, 31 }, {  0,  0 },
    179. 

  179.       {   0,  3 }, {   1,  5 }, {  2,   6 }, {   1,  2 }, {  0,  0 }, }, },
    180. 

  180.   { { {  80, 38 }, {   0,  0 }, {  1,   4 }, {  69, 33 }, {  5, 16 },
    181. 

  181.       {   0,  1 }, {   0,  1 }, {  0,   0 }, {   0,  1 }, {  0,  0 }, },
    182. 

  182.     { { 187, 22 }, {   1,  1 }, {  0,  17 }, {   0,  0 }, {  0,  0 },
    183. 

  183.       {   3,  6 }, {   0,  4 }, {  0,   1 }, {   4,  4 }, {  0,  1 }, },
    184. 

  184.     { { 123, 29 }, {   0,  0 }, {  1,   7 }, {  57, 30 }, {  0,  0 },
    185. 

  185.       {   0,  1 }, {   0,  1 }, {  0,   1 }, {   0,  1 }, {  0,  0 }, }, },
    186. 

  186.   { { {  16, 20 }, {   0,  0 }, {  2,   8 }, { 104, 49 }, { 15, 33 },
    187. 

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

  188.     { { 133,  6 }, {   1,  2 }, {  1,  70 }, {   0,  0 }, {  0,  0 },
    189. 

  189.       {   0,  2 }, {   0,  4 }, {  0,   3 }, {   1,  1 }, {  0,  0 }, },
    190. 

  190.     { {  13, 14 }, {   0,  0 }, {  4,  20 }, { 175, 20 }, {  0,  0 },
    191. 

  191.       {   0,  1 }, {   0,  1 }, {  0,   1 }, {   1,  1 }, {  0,  0 }, }, },
    192. 

  192.   { { { 194, 16 }, {   0,  0 }, {  1,   1 }, {   1,  9 }, {  1,  3 },
    193. 

  193.       {   0,  0 }, {   0,  1 }, {  0,   1 }, {   0,  0 }, {  0,  0 }, },
    194. 

  194.     { { 251,  1 }, {   0,  0 }, {  0,   2 }, {   0,  0 }, {  0,  0 },
    195. 

  195.       {   0,  0 }, {   0,  0 }, {  0,   0 }, {   0,  0 }, {  0,  0 }, },
    196. 

  196.     { { 202, 23 }, {   0,  0 }, {  1,   3 }, {   2,  9 }, {  0,  0 },
    197. 

  197.       {   0,  1 }, {   0,  1 }, {  0,   1 }, {   0,  0 }, {  0,  0 }, }, },
    198. 

  198. };
    199. 

  199. 

  200. static const uint8_t vp56_filter_threshold[] = {
    201. 

  201.     14, 14, 13, 13, 12, 12, 10, 10,
    202. 

  202.     10, 10,  8,  8,  8,  8,  8,  8,
    203. 

  203.      8,  8,  8,  8,  8,  8,  8,  8,
    204. 

  204.      8,  8,  8,  8,  8,  8,  8,  8,
    205. 

  205.      8,  8,  8,  8,  7,  7,  7,  7,
    206. 

  206.      7,  7,  6,  6,  6,  6,  6,  6,
    207. 

  207.      5,  5,  5,  5,  4,  4,  4,  4,
    208. 

  208.      4,  4,  4,  3,  3,  3,  3,  2,
    209. 

  209. };
    210. 

  210. 

  211. static const uint8_t vp56_mb_type_model_model[] = {
    212. 

  212.     171, 83, 199, 140, 125, 104,
    213. 

  213. };
    214. 

  214. 

  215. static const VP56Tree vp56_pmbtm_tree[] = {
    216. 

  216.     { 4, 0},
    217. 

  217.     { 2, 1}, {-8}, {-4},
    218. 

  218.     { 8, 2},
    219. 

  219.     { 6, 3},
    220. 

  220.     { 4, 4},
    221. 

  221.     { 2, 5}, {-24}, {-20}, {-16}, {-12}, {-0},
    222. 

  222. };
    223. 

  223. 

  224. static const VP56Tree vp56_pmbt_tree[] = {
    225. 

  225.     { 8, 1},
    226. 

  226.     { 4, 2},
    227. 

  227.     { 2, 4}, {-VP56_MB_INTER_NOVEC_PF}, {-VP56_MB_INTER_DELTA_PF},
    228. 

  228.     { 2, 5}, {-VP56_MB_INTER_V1_PF},    {-VP56_MB_INTER_V2_PF},
    229. 

  229.     { 4, 3},
    230. 

  230.     { 2, 6}, {-VP56_MB_INTRA},          {-VP56_MB_INTER_4V},
    231. 

  231.     { 4, 7},
    232. 

  232.     { 2, 8}, {-VP56_MB_INTER_NOVEC_GF}, {-VP56_MB_INTER_DELTA_GF},
    233. 

  233.     { 2, 9}, {-VP56_MB_INTER_V1_GF},    {-VP56_MB_INTER_V2_GF},
    234. 

  234. };
    235. 

  235. 

  236. /* relative pos of surrounding blocks, from closest to farthest */
    237. 

  237. static const int8_t vp56_candidate_predictor_pos[12][2] = {
    238. 

  238.     {  0, -1 },
    239. 

  239.     { -1,  0 },
    240. 

  240.     { -1, -1 },
    241. 

  241.     {  1, -1 },
    242. 

  242.     {  0, -2 },
    243. 

  243.     { -2,  0 },
    244. 

  244.     { -2, -1 },
    245. 

  245.     { -1, -2 },
    246. 

  246.     {  1, -2 },
    247. 

  247.     {  2, -1 },
    248. 

  248.     { -2, -2 },
    249. 

  249.     {  2, -2 },
    250. 

  250. };
    251. 

  251. 

  252. #endif /* AVCODEC_VP56DATA_H */
    253.