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.
42 Commits
32 Branches
850MB
Tree: fe97c87d65
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from 'fe97c87d65'
${ noResults }
FFmpeg/libavcodec/mpeg12data.h

364 lines
9.4KB
Raw Blame History 

  1. /*

  2.  * MPEG1/2 tables

  3.  */

  4. 

  5. const UINT8 default_intra_matrix[64] = {

  6. 	8, 16, 19, 22, 26, 27, 29, 34,

  7. 	16, 16, 22, 24, 27, 29, 34, 37,

  8. 	19, 22, 26, 27, 29, 34, 34, 38,

  9. 	22, 22, 26, 27, 29, 34, 37, 40,

  10. 	22, 26, 27, 29, 32, 35, 40, 48,

  11. 	26, 27, 29, 32, 35, 40, 48, 58,

  12. 	26, 27, 29, 34, 38, 46, 56, 69,

  13. 	27, 29, 35, 38, 46, 56, 69, 83

  14. };

  15. 

  16. const UINT8 default_non_intra_matrix[64] = {

  17.     16, 16, 16, 16, 16, 16, 16, 16,

  18.     16, 16, 16, 16, 16, 16, 16, 16,

  19.     16, 16, 16, 16, 16, 16, 16, 16,

  20.     16, 16, 16, 16, 16, 16, 16, 16,

  21.     16, 16, 16, 16, 16, 16, 16, 16,

  22.     16, 16, 16, 16, 16, 16, 16, 16,

  23.     16, 16, 16, 16, 16, 16, 16, 16,

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

  25. };

  26. 

  27. const unsigned char vlc_dc_table[256] = {

  28.     0, 1, 2, 2,

  29.     3, 3, 3, 3,

  30.     4, 4, 4, 4, 4, 4, 4, 4,

  31.     5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,

  32.     6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,

  33.     6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,

  34. 

  35.     7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,

  36.     7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,

  37.     7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,

  38.     7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,

  39. 

  40.     8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,

  41.     8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,

  42.     8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,

  43.     8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,

  44.     8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,

  45.     8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,

  46.     8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,

  47.     8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,

  48. };

  49. 

  50. const UINT16 vlc_dc_lum_code[12] = {

  51.     0x4, 0x0, 0x1, 0x5, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x1ff,

  52. };

  53. const unsigned char vlc_dc_lum_bits[12] = {

  54.     3, 2, 2, 3, 3, 4, 5, 6, 7, 8, 9, 9,

  55. };

  56. 

  57. const UINT16 vlc_dc_chroma_code[12] = {

  58.     0x0, 0x1, 0x2, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x3fe, 0x3ff,

  59. };

  60. const unsigned char vlc_dc_chroma_bits[12] = {

  61.     2, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10,

  62. };

  63. 

  64. static const UINT16 mpeg1_vlc[113][2] = {

  65.  { 0x3, 2 }, { 0x4, 4 }, { 0x5, 5 }, { 0x6, 7 },

  66.  { 0x26, 8 }, { 0x21, 8 }, { 0xa, 10 }, { 0x1d, 12 },

  67.  { 0x18, 12 }, { 0x13, 12 }, { 0x10, 12 }, { 0x1a, 13 },

  68.  { 0x19, 13 }, { 0x18, 13 }, { 0x17, 13 }, { 0x1f, 14 },

  69.  { 0x1e, 14 }, { 0x1d, 14 }, { 0x1c, 14 }, { 0x1b, 14 },

  70.  { 0x1a, 14 }, { 0x19, 14 }, { 0x18, 14 }, { 0x17, 14 },

  71.  { 0x16, 14 }, { 0x15, 14 }, { 0x14, 14 }, { 0x13, 14 },

  72.  { 0x12, 14 }, { 0x11, 14 }, { 0x10, 14 }, { 0x18, 15 },

  73.  { 0x17, 15 }, { 0x16, 15 }, { 0x15, 15 }, { 0x14, 15 },

  74.  { 0x13, 15 }, { 0x12, 15 }, { 0x11, 15 }, { 0x10, 15 },

  75.  { 0x3, 3 }, { 0x6, 6 }, { 0x25, 8 }, { 0xc, 10 },

  76.  { 0x1b, 12 }, { 0x16, 13 }, { 0x15, 13 }, { 0x1f, 15 },

  77.  { 0x1e, 15 }, { 0x1d, 15 }, { 0x1c, 15 }, { 0x1b, 15 },

  78.  { 0x1a, 15 }, { 0x19, 15 }, { 0x13, 16 }, { 0x12, 16 },

  79.  { 0x11, 16 }, { 0x10, 16 }, { 0x5, 4 }, { 0x4, 7 },

  80.  { 0xb, 10 }, { 0x14, 12 }, { 0x14, 13 }, { 0x7, 5 },

  81.  { 0x24, 8 }, { 0x1c, 12 }, { 0x13, 13 }, { 0x6, 5 },

  82.  { 0xf, 10 }, { 0x12, 12 }, { 0x7, 6 }, { 0x9, 10 },

  83.  { 0x12, 13 }, { 0x5, 6 }, { 0x1e, 12 }, { 0x14, 16 },

  84.  { 0x4, 6 }, { 0x15, 12 }, { 0x7, 7 }, { 0x11, 12 },

  85.  { 0x5, 7 }, { 0x11, 13 }, { 0x27, 8 }, { 0x10, 13 },

  86.  { 0x23, 8 }, { 0x1a, 16 }, { 0x22, 8 }, { 0x19, 16 },

  87.  { 0x20, 8 }, { 0x18, 16 }, { 0xe, 10 }, { 0x17, 16 },

  88.  { 0xd, 10 }, { 0x16, 16 }, { 0x8, 10 }, { 0x15, 16 },

  89.  { 0x1f, 12 }, { 0x1a, 12 }, { 0x19, 12 }, { 0x17, 12 },

  90.  { 0x16, 12 }, { 0x1f, 13 }, { 0x1e, 13 }, { 0x1d, 13 },

  91.  { 0x1c, 13 }, { 0x1b, 13 }, { 0x1f, 16 }, { 0x1e, 16 },

  92.  { 0x1d, 16 }, { 0x1c, 16 }, { 0x1b, 16 },

  93.  { 0x1, 6 }, /* escape */

  94.  { 0x2, 2 }, /* EOB */

  95. };

  96. 

  97. static const UINT16 mpeg2_vlc[113][2] = {

  98.   {0x02, 2}, {0x06, 3}, {0x07, 4}, {0x1c, 5},

  99.   {0x1d, 5}, {0x05, 6}, {0x04, 6}, {0x7b, 7},

  100.   {0x7c, 7}, {0x23, 8}, {0x22, 8}, {0xfa, 8},

  101.   {0xfb, 8}, {0xfe, 8}, {0xff, 8}, {0x1f,14},

  102.   {0x1e,14}, {0x1d,14}, {0x1c,14}, {0x1b,14},

  103.   {0x1a,14}, {0x19,14}, {0x18,14}, {0x17,14},

  104.   {0x16,14}, {0x15,14}, {0x14,14}, {0x13,14},

  105.   {0x12,14}, {0x11,14}, {0x10,14}, {0x18,15},

  106.   {0x17,15}, {0x16,15}, {0x15,15}, {0x14,15},

  107.   {0x13,15}, {0x12,15}, {0x11,15}, {0x10,15},

  108.   {0x02, 3}, {0x06, 5}, {0x79, 7}, {0x27, 8},

  109.   {0x20, 8}, {0x16,13}, {0x15,13}, {0x1f,15},

  110.   {0x1e,15}, {0x1d,15}, {0x1c,15}, {0x1b,15},

  111.   {0x1a,15}, {0x19,15}, {0x13,16}, {0x12,16},

  112.   {0x11,16}, {0x10,16}, {0x05, 5}, {0x07, 7}, 

  113.   {0xfc, 8}, {0x0c,10}, {0x14,13}, {0x07, 5}, 

  114.   {0x26, 8}, {0x1c,12}, {0x13,13}, {0x06, 6}, 

  115.   {0xfd, 8}, {0x12,12}, {0x07, 6}, {0x04, 9}, 

  116.   {0x12,13}, {0x06, 7}, {0x1e,12}, {0x14,16}, 

  117.   {0x04, 7}, {0x15,12}, {0x05, 7}, {0x11,12}, 

  118.   {0x78, 7}, {0x11,13}, {0x7a, 7}, {0x10,13}, 

  119.   {0x21, 8}, {0x1a,16}, {0x25, 8}, {0x19,16}, 

  120.   {0x24, 8}, {0x18,16}, {0x05, 9}, {0x17,16}, 

  121.   {0x07, 9}, {0x16,16}, {0x0d,10}, {0x15,16}, 

  122.   {0x1f,12}, {0x1a,12}, {0x19,12}, {0x17,12}, 

  123.   {0x16,12}, {0x1f,13}, {0x1e,13}, {0x1d,13}, 

  124.   {0x1c,13}, {0x1b,13}, {0x1f,16}, {0x1e,16}, 

  125.   {0x1d,16}, {0x1c,16}, {0x1b,16}, 

  126.   {0x01,6}, /* escape */

  127.   {0x06,4}, /* EOB */

  128. };

  129. 

  130. static const INT8 mpeg1_level[111] = {

  131.   1,  2,  3,  4,  5,  6,  7,  8,

  132.   9, 10, 11, 12, 13, 14, 15, 16,

  133.  17, 18, 19, 20, 21, 22, 23, 24,

  134.  25, 26, 27, 28, 29, 30, 31, 32,

  135.  33, 34, 35, 36, 37, 38, 39, 40,

  136.   1,  2,  3,  4,  5,  6,  7,  8,

  137.   9, 10, 11, 12, 13, 14, 15, 16,

  138.  17, 18,  1,  2,  3,  4,  5,  1,

  139.   2,  3,  4,  1,  2,  3,  1,  2,

  140.   3,  1,  2,  3,  1,  2,  1,  2,

  141.   1,  2,  1,  2,  1,  2,  1,  2,

  142.   1,  2,  1,  2,  1,  2,  1,  2,

  143.   1,  1,  1,  1,  1,  1,  1,  1,

  144.   1,  1,  1,  1,  1,  1,  1,

  145. };

  146. 

  147. static const INT8 mpeg1_run[111] = {

  148.   0,  0,  0,  0,  0,  0,  0,  0,

  149.   0,  0,  0,  0,  0,  0,  0,  0,

  150.   0,  0,  0,  0,  0,  0,  0,  0,

  151.   0,  0,  0,  0,  0,  0,  0,  0,

  152.   0,  0,  0,  0,  0,  0,  0,  0,

  153.   1,  1,  1,  1,  1,  1,  1,  1,

  154.   1,  1,  1,  1,  1,  1,  1,  1,

  155.   1,  1,  2,  2,  2,  2,  2,  3,

  156.   3,  3,  3,  4,  4,  4,  5,  5,

  157.   5,  6,  6,  6,  7,  7,  8,  8,

  158.   9,  9, 10, 10, 11, 11, 12, 12,

  159.  13, 13, 14, 14, 15, 15, 16, 16,

  160.  17, 18, 19, 20, 21, 22, 23, 24,

  161.  25, 26, 27, 28, 29, 30, 31,

  162. };

  163. 

  164. static RLTable rl_mpeg1 = {

  165.     111,

  166.     111,

  167.     mpeg1_vlc,

  168.     mpeg1_run,

  169.     mpeg1_level,

  170. };

  171. 

  172. static RLTable rl_mpeg2 = {

  173.     111,

  174.     111,

  175.     mpeg2_vlc,

  176.     mpeg1_run,

  177.     mpeg1_level,

  178. };

  179. 

  180. static const UINT8 mbAddrIncrTable[35][2] = {

  181.     {0x1, 1},

  182.     {0x3, 3},

  183.     {0x2, 3},

  184.     {0x3, 4},

  185.     {0x2, 4},

  186.     {0x3, 5},

  187.     {0x2, 5},

  188.     {0x7, 7},

  189.     {0x6, 7},

  190.     {0xb, 8},

  191.     {0xa, 8},

  192.     {0x9, 8},

  193.     {0x8, 8},

  194.     {0x7, 8},

  195.     {0x6, 8},

  196.     {0x17, 10},

  197.     {0x16, 10},

  198.     {0x15, 10},

  199.     {0x14, 10},

  200.     {0x13, 10},

  201.     {0x12, 10},

  202.     {0x23, 11},

  203.     {0x22, 11},

  204.     {0x21, 11},

  205.     {0x20, 11},

  206.     {0x1f, 11},

  207.     {0x1e, 11},

  208.     {0x1d, 11},

  209.     {0x1c, 11},

  210.     {0x1b, 11},

  211.     {0x1a, 11},

  212.     {0x19, 11},

  213.     {0x18, 11},

  214.     {0x8, 11}, /* escape */

  215.     {0xf, 11}, /* stuffing */

  216. };

  217. 

  218. static const UINT8 mbPatTable[63][2] = {

  219.     {0xb, 5},

  220.     {0x9, 5},

  221.     {0xd, 6},

  222.     {0xd, 4},

  223.     {0x17, 7},

  224.     {0x13, 7},

  225.     {0x1f, 8},

  226.     {0xc, 4},

  227.     {0x16, 7},

  228.     {0x12, 7},

  229.     {0x1e, 8},

  230.     {0x13, 5},

  231.     {0x1b, 8},

  232.     {0x17, 8},

  233.     {0x13, 8},

  234.     {0xb, 4},

  235.     {0x15, 7},

  236.     {0x11, 7},

  237.     {0x1d, 8},

  238.     {0x11, 5},

  239.     {0x19, 8},

  240.     {0x15, 8},

  241.     {0x11, 8},

  242.     {0xf, 6},

  243.     {0xf, 8},

  244.     {0xd, 8},

  245.     {0x3, 9},

  246.     {0xf, 5},

  247.     {0xb, 8},

  248.     {0x7, 8},

  249.     {0x7, 9},

  250.     {0xa, 4},

  251.     {0x14, 7},

  252.     {0x10, 7},

  253.     {0x1c, 8},

  254.     {0xe, 6},

  255.     {0xe, 8},

  256.     {0xc, 8},

  257.     {0x2, 9},

  258.     {0x10, 5},

  259.     {0x18, 8},

  260.     {0x14, 8},

  261.     {0x10, 8},

  262.     {0xe, 5},

  263.     {0xa, 8},

  264.     {0x6, 8},

  265.     {0x6, 9},

  266.     {0x12, 5},

  267.     {0x1a, 8},

  268.     {0x16, 8},

  269.     {0x12, 8},

  270.     {0xd, 5},

  271.     {0x9, 8},

  272.     {0x5, 8},

  273.     {0x5, 9},

  274.     {0xc, 5},

  275.     {0x8, 8},

  276.     {0x4, 8},

  277.     {0x4, 9},

  278.     {0x7, 3},

  279.     {0xa, 5},

  280.     {0x8, 5},

  281.     {0xc, 6}

  282. };

  283. 

  284. #define MB_INTRA 0x01

  285. #define MB_PAT   0x02

  286. #define MB_BACK  0x04

  287. #define MB_FOR   0x08

  288. #define MB_QUANT 0x10  

  289. 

  290. static const UINT8 table_mb_ptype[32][2] = {

  291.     [ MB_FOR|MB_PAT ] { 1, 1 },

  292.     [ MB_PAT ] { 1, 2 },

  293.     [ MB_FOR ] { 1, 3 },

  294.     [ MB_INTRA ] { 3, 5 },

  295.     [ MB_QUANT|MB_FOR|MB_PAT ] { 2, 5 },

  296.     [ MB_QUANT|MB_PAT ] { 1, 5 },

  297.     [ MB_QUANT|MB_INTRA ] { 1, 6 },

  298. };

  299. 

  300. static const UINT8 table_mb_btype[32][2] = {

  301.     [ MB_FOR|MB_BACK ] { 2, 2 },

  302.     [ MB_FOR|MB_BACK|MB_PAT ] { 3, 2 },

  303.     [ MB_BACK ] { 2, 3 },

  304.     [ MB_BACK|MB_PAT ] { 3, 3 },

  305.     [ MB_FOR ] { 2, 4 },

  306.     [ MB_FOR|MB_PAT ] { 3, 4 },

  307.     [ MB_INTRA ] { 3, 5 },

  308.     [ MB_QUANT|MB_FOR|MB_BACK|MB_PAT ] { 2, 5 },

  309.     [ MB_QUANT|MB_FOR|MB_PAT ] { 3, 6 },

  310.     [ MB_QUANT|MB_BACK|MB_PAT ] { 2, 6 },

  311.     [ MB_QUANT|MB_INTRA ] { 1, 6 },

  312. };

  313. 

  314. static const UINT8 mbMotionVectorTable[17][2] = {

  315. { 0x1, 1 },

  316. { 0x1, 2 },

  317. { 0x1, 3 },

  318. { 0x1, 4 },

  319. { 0x3, 6 },

  320. { 0x5, 7 },

  321. { 0x4, 7 },

  322. { 0x3, 7 },

  323. { 0xb, 9 },

  324. { 0xa, 9 },

  325. { 0x9, 9 },

  326. { 0x11, 10 },

  327. { 0x10, 10 },

  328. { 0xf, 10 },

  329. { 0xe, 10 },

  330. { 0xd, 10 },

  331. { 0xc, 10 },

  332. };

  333. 

  334. //const 

  335. UINT8 zigzag_direct[64] = {

  336.     0, 1, 8, 16, 9, 2, 3, 10,

  337.     17, 24, 32, 25, 18, 11, 4, 5,

  338.     12, 19, 26, 33, 40, 48, 41, 34,

  339.     27, 20, 13, 6, 7, 14, 21, 28,

  340.     35, 42, 49, 56, 57, 50, 43, 36,

  341.     29, 22, 15, 23, 30, 37, 44, 51,

  342.     58, 59, 52, 45, 38, 31, 39, 46,

  343.     53, 60, 61, 54, 47, 55, 62, 63

  344. };

  345. 

  346. static const int frame_rate_tab[9] = {

  347.     0, 

  348.     (int)(23.976 * FRAME_RATE_BASE), 

  349.     (int)(24 * FRAME_RATE_BASE), 

  350.     (int)(25 * FRAME_RATE_BASE), 

  351.     (int)(29.97 * FRAME_RATE_BASE), 

  352.     (int)(30 * FRAME_RATE_BASE), 

  353.     (int)(50 * FRAME_RATE_BASE), 

  354.     (int)(59.94 * FRAME_RATE_BASE), 

  355.     (int)(60 * FRAME_RATE_BASE), 

  356. };

  357. 

  358. static const UINT8 non_linear_qscale[32] = {

  359.     0, 1, 2, 3, 4, 5, 6, 7,

  360.     8,10,12,14,16,18,20,22,

  361.     24,28,32,36,40,44,48,52,

  362.     56,64,72,80,88,96,104,112,

  363. };