falkTX
/
FFmpeg
mirror of https://github.com/falkTX/FFmpeg.git
1
0
Fork 0
Code Issues 0 Releases 338 Wiki Activity
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
34093 Commits
32 Branches
283MB
Tree: 5ed032fb8b
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from '5ed032fb8b'
${ noResults }
FFmpeg/libavcodec/indeo4data.h

351 lines
12KB
Raw Blame History 

  1. /*

  2.  * Indeo Video Interactive 4 compatible decoder

  3.  * Copyright (c) 2009-2010 Maxim Poliakovski

  4.  *

  5.  * This file is part of Libav.

  6.  *

  7.  * Libav is free software; you can redistribute it and/or

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

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

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

  11.  *

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

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

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

  15.  * Lesser General Public License for more details.

  16.  *

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

  18.  * License along with Libav; if not, write to the Free Software

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

  20.  */

  21. 

  22. /**

  23.  * @file

  24.  * This file contains data needed for the Indeo 4 decoder.

  25.  */

  26. 

  27. #ifndef AVCODEC_INDEO4DATA_H

  28. #define AVCODEC_INDEO4DATA_H

  29. 

  30. #include <stdint.h>

  31. #include "dsputil.h"

  32. #include "ivi_common.h"

  33. 

  34. /**

  35.  *  standard picture dimensions

  36.  */

  37. static const uint16_t ivi4_common_pic_sizes[14] = {

  38.     640, 480, 320, 240, 160, 120, 704, 480, 352, 240, 352, 288, 176, 144

  39. };

  40. 

  41. /**

  42.  *  Indeo 4 8x8 scan (zigzag) patterns

  43.  */

  44. static const uint8_t ivi4_alternate_scan_8x8[64] = {

  45.      0,  8,  1,  9, 16, 24,  2,  3, 17, 25, 10, 11, 32, 40, 48, 56,

  46.      4,  5,  6,  7, 33, 41, 49, 57, 18, 19, 26, 27, 12, 13, 14, 15,

  47.     34, 35, 43, 42, 50, 51, 59, 58, 20, 21, 22, 23, 31, 30, 29, 28,

  48.     36, 37, 38, 39, 47, 46, 45, 44, 52, 53, 54, 55, 63, 62, 61, 60

  49. };

  50. 

  51. static const uint8_t ivi4_alternate_scan_4x4[16] = {

  52.     0, 1, 4, 5, 8, 12, 2, 3, 9, 13, 6, 7, 10, 11, 14, 15

  53. };

  54. 

  55. static const uint8_t ivi4_vertical_scan_4x4[16] = {

  56.     0, 4, 8, 12, 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15

  57. };

  58. 

  59. static const uint8_t ivi4_horizontal_scan_4x4[16] = {

  60.     0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15

  61. };

  62. 

  63. static const uint8_t *scan_index_to_tab[15] = {

  64.     // for 8x8 transforms

  65.     ff_zigzag_direct,

  66.     ivi4_alternate_scan_8x8,

  67.     ff_ivi_horizontal_scan_8x8,

  68.     ff_ivi_vertical_scan_8x8,

  69.     ff_zigzag_direct,

  70. 

  71.     // for 4x4 transforms

  72.     ff_ivi_direct_scan_4x4,

  73.     ivi4_alternate_scan_4x4,

  74.     ivi4_vertical_scan_4x4,

  75.     ivi4_horizontal_scan_4x4,

  76.     ff_ivi_direct_scan_4x4,

  77. 

  78.     // TODO: check if those are needed

  79.     ff_ivi_horizontal_scan_8x8,

  80.     ff_ivi_horizontal_scan_8x8,

  81.     ff_ivi_horizontal_scan_8x8,

  82.     ff_ivi_horizontal_scan_8x8,

  83.     ff_ivi_horizontal_scan_8x8

  84. };

  85. 

  86. /**

  87.  *  Indeo 4 dequant tables

  88.  */

  89. static const uint16_t ivi4_quant_8x8_intra[9][64] = {

  90.   {

  91.       43,  342,  385,  470,  555,  555,  598,  726,

  92.      342,  342,  470,  513,  555,  598,  726,  769,

  93.      385,  470,  555,  555,  598,  726,  726,  811,

  94.      470,  470,  555,  555,  598,  726,  769,  854,

  95.      470,  555,  555,  598,  683,  726,  854, 1025,

  96.      555,  555,  598,  683,  726,  854, 1025, 1153,

  97.      555,  555,  598,  726,  811,  982, 1195, 1451,

  98.      555,  598,  726,  811,  982, 1195, 1451, 1793

  99.   },

  100.   {

  101.       86, 1195, 2390, 2390, 4865, 4865, 4865, 4865,

  102.     1195, 1195, 2390, 2390, 4865, 4865, 4865, 4865,

  103.     2390, 2390, 4865, 4865, 6827, 6827, 6827, 6827,

  104.     2390, 2390, 4865, 4865, 6827, 6827, 6827, 6827,

  105.     4865, 4865, 6827, 6827, 6827, 6827, 6827, 6827,

  106.     4865, 4865, 6827, 6827, 6827, 6827, 6827, 6827,

  107.     4865, 4865, 6827, 6827, 6827, 6827, 6827, 6827,

  108.     4865, 4865, 6827, 6827, 6827, 6827, 6827, 6827

  109.   },

  110.   {

  111.      235, 1067, 1195, 1323, 1451, 1579, 1707, 1835,

  112.      235, 1067, 1195, 1323, 1451, 1579, 1707, 1835,

  113.      235, 1067, 1195, 1323, 1451, 1579, 1707, 1835,

  114.      235, 1067, 1195, 1323, 1451, 1579, 1707, 1835,

  115.      235, 1067, 1195, 1323, 1451, 1579, 1707, 1835,

  116.      235, 1067, 1195, 1323, 1451, 1579, 1707, 1835,

  117.      235, 1067, 1195, 1323, 1451, 1579, 1707, 1835,

  118.      235, 1067, 1195, 1323, 1451, 1579, 1707, 1835

  119.   },

  120.   {

  121.     1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414,

  122.     1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414,

  123.     1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414,

  124.     1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414,

  125.     1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414,

  126.     1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414,

  127.     1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414,

  128.     1707, 1707, 3414, 3414, 3414, 3414, 3414, 3414

  129.   },

  130.   {

  131.      897,  897,  897,  897,  897,  897,  897,  897,

  132.     1067, 1067, 1067, 1067, 1067, 1067, 1067, 1067,

  133.     1238, 1238, 1238, 1238, 1238, 1238, 1238, 1238,

  134.     1409, 1409, 1409, 1409, 1409, 1409, 1409, 1409,

  135.     1579, 1579, 1579, 1579, 1579, 1579, 1579, 1579,

  136.     1750, 1750, 1750, 1750, 1750, 1750, 1750, 1750,

  137.     1921, 1921, 1921, 1921, 1921, 1921, 1921, 1921,

  138.     2091, 2091, 2091, 2091, 2091, 2091, 2091, 2091

  139.   },

  140.   {

  141.     1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707,

  142.     1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707,

  143.     3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414,

  144.     3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414,

  145.     3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414,

  146.     3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414,

  147.     3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414,

  148.     3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414

  149.   },

  150.   {

  151.     2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390,

  152.     2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390,

  153.     2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390,

  154.     2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390,

  155.     2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390,

  156.     2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390,

  157.     2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390,

  158.     2390, 2390, 2390, 2390, 2390, 2390, 2390, 2390

  159.   },

  160.   {

  161.       22,  171,  214,  257,  257,  299,  299,  342,

  162.      171,  171,  257,  257,  299,  299,  342,  385,

  163.      214,  257,  257,  299,  299,  342,  342,  385,

  164.      257,  257,  257,  299,  299,  342,  385,  427,

  165.      257,  257,  299,  299,  342,  385,  427,  513,

  166.      257,  299,  299,  342,  385,  427,  513,  598,

  167.      299,  299,  299,  385,  385,  470,  598,  726,

  168.      299,  299,  385,  385,  470,  598,  726,  897

  169.   },

  170.   {

  171.       86,  598, 1195, 1195, 2390, 2390, 2390, 2390,

  172.      598,  598, 1195, 1195, 2390, 2390, 2390, 2390,

  173.     1195, 1195, 2390, 2390, 3414, 3414, 3414, 3414,

  174.     1195, 1195, 2390, 2390, 3414, 3414, 3414, 3414,

  175.     2390, 2390, 3414, 3414, 3414, 3414, 3414, 3414,

  176.     2390, 2390, 3414, 3414, 3414, 3414, 3414, 3414,

  177.     2390, 2390, 3414, 3414, 3414, 3414, 3414, 3414,

  178.     2390, 2390, 3414, 3414, 3414, 3414, 3414, 3414

  179.   }

  180. };

  181. 

  182. static const uint16_t ivi4_quant_8x8_inter[9][64] = {

  183.   {

  184.      427,  427,  470,  427,  427,  427,  470,  470,

  185.      427,  427,  470,  427,  427,  427,  470,  470,

  186.      470,  470,  470,  470,  470,  470,  470,  470,

  187.      427,  427,  470,  470,  427,  427,  470,  470,

  188.      427,  427,  470,  427,  427,  427,  470,  470,

  189.      427,  427,  470,  427,  427,  427,  470,  470,

  190.      470,  470,  470,  470,  470,  470,  470,  470,

  191.      470,  470,  470,  470,  470,  470,  470,  470

  192.   },

  193.   {

  194.     1707, 1707, 2433, 2433, 3414, 3414, 3414, 3414,

  195.     1707, 1707, 2433, 2433, 3414, 3414, 3414, 3414,

  196.     2433, 2433, 3414, 3414, 4822, 4822, 4822, 4822,

  197.     2433, 2433, 3414, 3414, 4822, 4822, 4822, 4822,

  198.     3414, 3414, 4822, 4822, 3414, 3414, 3414, 3414,

  199.     3414, 3414, 4822, 4822, 3414, 3414, 3414, 3414,

  200.     3414, 3414, 4822, 4822, 3414, 3414, 3414, 3414,

  201.     3414, 3414, 4822, 4822, 3414, 3414, 3414, 3414

  202.   },

  203.   {

  204.     1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281,

  205.     1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281,

  206.     1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281,

  207.     1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281,

  208.     1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281,

  209.     1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281,

  210.     1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281,

  211.     1195, 1195, 1281, 1238, 1195, 1195, 1281, 1281

  212.   },

  213.   {

  214.     2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433,

  215.     2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433,

  216.     2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433,

  217.     2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433,

  218.     2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433,

  219.     2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433,

  220.     2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433,

  221.     2433, 2433, 3414, 3414, 2433, 2433, 2433, 2433

  222.   },

  223.   {

  224.     1195, 1195, 1195, 1195, 1195, 1195, 1195, 1195,

  225.     1195, 1195, 1195, 1195, 1195, 1195, 1195, 1195,

  226.     1281, 1281, 1281, 1281, 1281, 1281, 1281, 1281,

  227.     1238, 1238, 1238, 1238, 1238, 1238, 1238, 1238,

  228.     1195, 1195, 1195, 1195, 1195, 1195, 1195, 1195,

  229.     1195, 1195, 1195, 1195, 1195, 1195, 1195, 1195,

  230.     1281, 1281, 1281, 1281, 1281, 1281, 1281, 1281,

  231.     1281, 1281, 1281, 1281, 1281, 1281, 1281, 1281

  232.   },

  233.   {

  234.     2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433,

  235.     2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433,

  236.     3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414,

  237.     3414, 3414, 3414, 3414, 3414, 3414, 3414, 3414,

  238.     2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433,

  239.     2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433,

  240.     2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433,

  241.     2433, 2433, 2433, 2433, 2433, 2433, 2433, 2433

  242.   },

  243.   {

  244.     1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707,

  245.     1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707,

  246.     1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707,

  247.     1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707,

  248.     1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707,

  249.     1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707,

  250.     1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707,

  251.     1707, 1707, 1707, 1707, 1707, 1707, 1707, 1707

  252.   },

  253.   {

  254.       86,  171,  171,  214,  214,  214,  214,  257,

  255.      171,  171,  214,  214,  214,  214,  257,  257,

  256.      171,  214,  214,  214,  214,  257,  257,  257,

  257.      214,  214,  214,  214,  257,  257,  257,  299,

  258.      214,  214,  214,  257,  257,  257,  299,  299,

  259.      214,  214,  257,  257,  257,  299,  299,  299,

  260.      214,  257,  257,  257,  299,  299,  299,  342,

  261.      257,  257,  257,  299,  299,  299,  342,  342

  262.   },

  263.   {

  264.      854,  854, 1195, 1195, 1707, 1707, 1707, 1707,

  265.      854,  854, 1195, 1195, 1707, 1707, 1707, 1707,

  266.     1195, 1195, 1707, 1707, 2390, 2390, 2390, 2390,

  267.     1195, 1195, 1707, 1707, 2390, 2390, 2390, 2390,

  268.     1707, 1707, 2390, 2390, 1707, 1707, 1707, 1707,

  269.     1707, 1707, 2390, 2390, 1707, 1707, 1707, 1707,

  270.     1707, 1707, 2390, 2390, 1707, 1707, 1707, 1707,

  271.     1707, 1707, 2390, 2390, 1707, 1707, 1707, 1707

  272.   }

  273. };

  274. 

  275. static const uint16_t ivi4_quant_4x4_intra[5][16] = {

  276.   {

  277.       22,  214,  257,  299,

  278.      214,  257,  299,  342,

  279.      257,  299,  342,  427,

  280.      299,  342,  427,  513

  281.   },

  282.   {

  283.      129, 1025, 1451, 1451,

  284.     1025, 1025, 1451, 1451,

  285.     1451, 1451, 2049, 2049,

  286.     1451, 1451, 2049, 2049

  287.   },

  288.   {

  289.       43,  171,  171,  171,

  290.       43,  171,  171,  171,

  291.       43,  171,  171,  171,

  292.       43,  171,  171,  171

  293.   },

  294.   {

  295.       43,   43,   43,   43,

  296.      171,  171,  171,  171,

  297.      171,  171,  171,  171,

  298.      171,  171,  171,  171

  299.   },

  300.   {

  301.       43,   43,   43,   43,

  302.       43,   43,   43,   43,

  303.       43,   43,   43,   43,

  304.       43,   43,   43,   43

  305.   }

  306. };

  307. 

  308. static const uint16_t ivi4_quant_4x4_inter[5][16] = {

  309.   {

  310.      107,  214,  257,  299,

  311.      214,  257,  299,  299,

  312.      257,  299,  299,  342,

  313.      299,  299,  342,  342

  314.   },

  315.   {

  316.      513, 1025, 1238, 1238,

  317.     1025, 1025, 1238, 1238,

  318.     1238, 1238, 1451, 1451,

  319.     1238, 1238, 1451, 1451

  320.   },

  321.   {

  322.       43,  171,  171,  171,

  323.       43,  171,  171,  171,

  324.       43,  171,  171,  171,

  325.       43,  171,  171,  171

  326.   },

  327.   {

  328.       43,   43,   43,   43,

  329.      171,  171,  171,  171,

  330.      171,  171,  171,  171,

  331.      171,  171,  171,  171

  332.   },

  333.   {

  334.       43,   43,   43,   43,

  335.       43,   43,   43,   43,

  336.       43,   43,   43,   43,

  337.       43,   43,   43,   43

  338.   }

  339. };

  340. 

  341. /**

  342.  *  Table for mapping quant matrix index from the bitstream

  343.  *  into internal quant table number.

  344.  */

  345. static const uint8_t quant_index_to_tab[22] = {

  346.     0, 1, 0, 2, 1, 3, 0, 4, 1, 5, 0, 1, 6, 7, 8, // for 8x8 quant matrixes

  347.     0, 1, 2, 2, 3, 3, 4                          // for 4x4 quant matrixes

  348. };

  349. 

  350. #endif /* AVCODEC_INDEO4DATA_H */