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FFmpeg/libavcodec/mpeg12data.h

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  1. /**

  2.  * @file mpeg12data.h

  3.  * MPEG1/2 tables.

  4.  */

  5. 

  6. const int16_t ff_mpeg1_default_intra_matrix[64] = {

  7. 	8, 16, 19, 22, 26, 27, 29, 34,

  8. 	16, 16, 22, 24, 27, 29, 34, 37,

  9. 	19, 22, 26, 27, 29, 34, 34, 38,

  10. 	22, 22, 26, 27, 29, 34, 37, 40,

  11. 	22, 26, 27, 29, 32, 35, 40, 48,

  12. 	26, 27, 29, 32, 35, 40, 48, 58,

  13. 	26, 27, 29, 34, 38, 46, 56, 69,

  14. 	27, 29, 35, 38, 46, 56, 69, 83

  15. };

  16. 

  17. const int16_t ff_mpeg1_default_non_intra_matrix[64] = {

  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.     16, 16, 16, 16, 16, 16, 16, 16,

  26. };

  27. 

  28. static const uint16_t vlc_dc_lum_code[12] = {

  29.     0x4, 0x0, 0x1, 0x5, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x1ff,

  30. };

  31. static const unsigned char vlc_dc_lum_bits[12] = {

  32.     3, 2, 2, 3, 3, 4, 5, 6, 7, 8, 9, 9,

  33. };

  34. 

  35. const uint16_t vlc_dc_chroma_code[12] = {

  36.     0x0, 0x1, 0x2, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x3fe, 0x3ff,

  37. };

  38. const unsigned char vlc_dc_chroma_bits[12] = {

  39.     2, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10,

  40. };

  41. 

  42. static const uint16_t mpeg1_vlc[113][2] = {

  43.  { 0x3, 2 }, { 0x4, 4 }, { 0x5, 5 }, { 0x6, 7 },

  44.  { 0x26, 8 }, { 0x21, 8 }, { 0xa, 10 }, { 0x1d, 12 },

  45.  { 0x18, 12 }, { 0x13, 12 }, { 0x10, 12 }, { 0x1a, 13 },

  46.  { 0x19, 13 }, { 0x18, 13 }, { 0x17, 13 }, { 0x1f, 14 },

  47.  { 0x1e, 14 }, { 0x1d, 14 }, { 0x1c, 14 }, { 0x1b, 14 },

  48.  { 0x1a, 14 }, { 0x19, 14 }, { 0x18, 14 }, { 0x17, 14 },

  49.  { 0x16, 14 }, { 0x15, 14 }, { 0x14, 14 }, { 0x13, 14 },

  50.  { 0x12, 14 }, { 0x11, 14 }, { 0x10, 14 }, { 0x18, 15 },

  51.  { 0x17, 15 }, { 0x16, 15 }, { 0x15, 15 }, { 0x14, 15 },

  52.  { 0x13, 15 }, { 0x12, 15 }, { 0x11, 15 }, { 0x10, 15 },

  53.  { 0x3, 3 }, { 0x6, 6 }, { 0x25, 8 }, { 0xc, 10 },

  54.  { 0x1b, 12 }, { 0x16, 13 }, { 0x15, 13 }, { 0x1f, 15 },

  55.  { 0x1e, 15 }, { 0x1d, 15 }, { 0x1c, 15 }, { 0x1b, 15 },

  56.  { 0x1a, 15 }, { 0x19, 15 }, { 0x13, 16 }, { 0x12, 16 },

  57.  { 0x11, 16 }, { 0x10, 16 }, { 0x5, 4 }, { 0x4, 7 },

  58.  { 0xb, 10 }, { 0x14, 12 }, { 0x14, 13 }, { 0x7, 5 },

  59.  { 0x24, 8 }, { 0x1c, 12 }, { 0x13, 13 }, { 0x6, 5 },

  60.  { 0xf, 10 }, { 0x12, 12 }, { 0x7, 6 }, { 0x9, 10 },

  61.  { 0x12, 13 }, { 0x5, 6 }, { 0x1e, 12 }, { 0x14, 16 },

  62.  { 0x4, 6 }, { 0x15, 12 }, { 0x7, 7 }, { 0x11, 12 },

  63.  { 0x5, 7 }, { 0x11, 13 }, { 0x27, 8 }, { 0x10, 13 },

  64.  { 0x23, 8 }, { 0x1a, 16 }, { 0x22, 8 }, { 0x19, 16 },

  65.  { 0x20, 8 }, { 0x18, 16 }, { 0xe, 10 }, { 0x17, 16 },

  66.  { 0xd, 10 }, { 0x16, 16 }, { 0x8, 10 }, { 0x15, 16 },

  67.  { 0x1f, 12 }, { 0x1a, 12 }, { 0x19, 12 }, { 0x17, 12 },

  68.  { 0x16, 12 }, { 0x1f, 13 }, { 0x1e, 13 }, { 0x1d, 13 },

  69.  { 0x1c, 13 }, { 0x1b, 13 }, { 0x1f, 16 }, { 0x1e, 16 },

  70.  { 0x1d, 16 }, { 0x1c, 16 }, { 0x1b, 16 },

  71.  { 0x1, 6 }, /* escape */

  72.  { 0x2, 2 }, /* EOB */

  73. };

  74. 

  75. static const uint16_t mpeg2_vlc[113][2] = {

  76.   {0x02, 2}, {0x06, 3}, {0x07, 4}, {0x1c, 5},

  77.   {0x1d, 5}, {0x05, 6}, {0x04, 6}, {0x7b, 7},

  78.   {0x7c, 7}, {0x23, 8}, {0x22, 8}, {0xfa, 8},

  79.   {0xfb, 8}, {0xfe, 8}, {0xff, 8}, {0x1f,14},

  80.   {0x1e,14}, {0x1d,14}, {0x1c,14}, {0x1b,14},

  81.   {0x1a,14}, {0x19,14}, {0x18,14}, {0x17,14},

  82.   {0x16,14}, {0x15,14}, {0x14,14}, {0x13,14},

  83.   {0x12,14}, {0x11,14}, {0x10,14}, {0x18,15},

  84.   {0x17,15}, {0x16,15}, {0x15,15}, {0x14,15},

  85.   {0x13,15}, {0x12,15}, {0x11,15}, {0x10,15},

  86.   {0x02, 3}, {0x06, 5}, {0x79, 7}, {0x27, 8},

  87.   {0x20, 8}, {0x16,13}, {0x15,13}, {0x1f,15},

  88.   {0x1e,15}, {0x1d,15}, {0x1c,15}, {0x1b,15},

  89.   {0x1a,15}, {0x19,15}, {0x13,16}, {0x12,16},

  90.   {0x11,16}, {0x10,16}, {0x05, 5}, {0x07, 7}, 

  91.   {0xfc, 8}, {0x0c,10}, {0x14,13}, {0x07, 5}, 

  92.   {0x26, 8}, {0x1c,12}, {0x13,13}, {0x06, 6}, 

  93.   {0xfd, 8}, {0x12,12}, {0x07, 6}, {0x04, 9}, 

  94.   {0x12,13}, {0x06, 7}, {0x1e,12}, {0x14,16}, 

  95.   {0x04, 7}, {0x15,12}, {0x05, 7}, {0x11,12}, 

  96.   {0x78, 7}, {0x11,13}, {0x7a, 7}, {0x10,13}, 

  97.   {0x21, 8}, {0x1a,16}, {0x25, 8}, {0x19,16}, 

  98.   {0x24, 8}, {0x18,16}, {0x05, 9}, {0x17,16}, 

  99.   {0x07, 9}, {0x16,16}, {0x0d,10}, {0x15,16}, 

  100.   {0x1f,12}, {0x1a,12}, {0x19,12}, {0x17,12}, 

  101.   {0x16,12}, {0x1f,13}, {0x1e,13}, {0x1d,13}, 

  102.   {0x1c,13}, {0x1b,13}, {0x1f,16}, {0x1e,16}, 

  103.   {0x1d,16}, {0x1c,16}, {0x1b,16}, 

  104.   {0x01,6}, /* escape */

  105.   {0x06,4}, /* EOB */

  106. };

  107. 

  108. static const int8_t mpeg1_level[111] = {

  109.   1,  2,  3,  4,  5,  6,  7,  8,

  110.   9, 10, 11, 12, 13, 14, 15, 16,

  111.  17, 18, 19, 20, 21, 22, 23, 24,

  112.  25, 26, 27, 28, 29, 30, 31, 32,

  113.  33, 34, 35, 36, 37, 38, 39, 40,

  114.   1,  2,  3,  4,  5,  6,  7,  8,

  115.   9, 10, 11, 12, 13, 14, 15, 16,

  116.  17, 18,  1,  2,  3,  4,  5,  1,

  117.   2,  3,  4,  1,  2,  3,  1,  2,

  118.   3,  1,  2,  3,  1,  2,  1,  2,

  119.   1,  2,  1,  2,  1,  2,  1,  2,

  120.   1,  2,  1,  2,  1,  2,  1,  2,

  121.   1,  1,  1,  1,  1,  1,  1,  1,

  122.   1,  1,  1,  1,  1,  1,  1,

  123. };

  124. 

  125. static const int8_t mpeg1_run[111] = {

  126.   0,  0,  0,  0,  0,  0,  0,  0,

  127.   0,  0,  0,  0,  0,  0,  0,  0,

  128.   0,  0,  0,  0,  0,  0,  0,  0,

  129.   0,  0,  0,  0,  0,  0,  0,  0,

  130.   0,  0,  0,  0,  0,  0,  0,  0,

  131.   1,  1,  1,  1,  1,  1,  1,  1,

  132.   1,  1,  1,  1,  1,  1,  1,  1,

  133.   1,  1,  2,  2,  2,  2,  2,  3,

  134.   3,  3,  3,  4,  4,  4,  5,  5,

  135.   5,  6,  6,  6,  7,  7,  8,  8,

  136.   9,  9, 10, 10, 11, 11, 12, 12,

  137.  13, 13, 14, 14, 15, 15, 16, 16,

  138.  17, 18, 19, 20, 21, 22, 23, 24,

  139.  25, 26, 27, 28, 29, 30, 31,

  140. };

  141. 

  142. static RLTable rl_mpeg1 = {

  143.     111,

  144.     111,

  145.     mpeg1_vlc,

  146.     mpeg1_run,

  147.     mpeg1_level,

  148. };

  149. 

  150. static RLTable rl_mpeg2 = {

  151.     111,

  152.     111,

  153.     mpeg2_vlc,

  154.     mpeg1_run,

  155.     mpeg1_level,

  156. };

  157. 

  158. static const uint8_t mbAddrIncrTable[36][2] = {

  159.     {0x1, 1},

  160.     {0x3, 3},

  161.     {0x2, 3},

  162.     {0x3, 4},

  163.     {0x2, 4},

  164.     {0x3, 5},

  165.     {0x2, 5},

  166.     {0x7, 7},

  167.     {0x6, 7},

  168.     {0xb, 8},

  169.     {0xa, 8},

  170.     {0x9, 8},

  171.     {0x8, 8},

  172.     {0x7, 8},

  173.     {0x6, 8},

  174.     {0x17, 10},

  175.     {0x16, 10},

  176.     {0x15, 10},

  177.     {0x14, 10},

  178.     {0x13, 10},

  179.     {0x12, 10},

  180.     {0x23, 11},

  181.     {0x22, 11},

  182.     {0x21, 11},

  183.     {0x20, 11},

  184.     {0x1f, 11},

  185.     {0x1e, 11},

  186.     {0x1d, 11},

  187.     {0x1c, 11},

  188.     {0x1b, 11},

  189.     {0x1a, 11},

  190.     {0x19, 11},

  191.     {0x18, 11},

  192.     {0x8, 11}, /* escape */

  193.     {0xf, 11}, /* stuffing */

  194.     {0x0, 8}, /* end (and 15 more 0 bits should follow) */

  195. };

  196. 

  197. static const uint8_t mbPatTable[64][2] = {

  198.     {0x1, 9},

  199.     {0xb, 5},

  200.     {0x9, 5},

  201.     {0xd, 6},

  202.     {0xd, 4},

  203.     {0x17, 7},

  204.     {0x13, 7},

  205.     {0x1f, 8},

  206.     {0xc, 4},

  207.     {0x16, 7},

  208.     {0x12, 7},

  209.     {0x1e, 8},

  210.     {0x13, 5},

  211.     {0x1b, 8},

  212.     {0x17, 8},

  213.     {0x13, 8},

  214.     {0xb, 4},

  215.     {0x15, 7},

  216.     {0x11, 7},

  217.     {0x1d, 8},

  218.     {0x11, 5},

  219.     {0x19, 8},

  220.     {0x15, 8},

  221.     {0x11, 8},

  222.     {0xf, 6},

  223.     {0xf, 8},

  224.     {0xd, 8},

  225.     {0x3, 9},

  226.     {0xf, 5},

  227.     {0xb, 8},

  228.     {0x7, 8},

  229.     {0x7, 9},

  230.     {0xa, 4},

  231.     {0x14, 7},

  232.     {0x10, 7},

  233.     {0x1c, 8},

  234.     {0xe, 6},

  235.     {0xe, 8},

  236.     {0xc, 8},

  237.     {0x2, 9},

  238.     {0x10, 5},

  239.     {0x18, 8},

  240.     {0x14, 8},

  241.     {0x10, 8},

  242.     {0xe, 5},

  243.     {0xa, 8},

  244.     {0x6, 8},

  245.     {0x6, 9},

  246.     {0x12, 5},

  247.     {0x1a, 8},

  248.     {0x16, 8},

  249.     {0x12, 8},

  250.     {0xd, 5},

  251.     {0x9, 8},

  252.     {0x5, 8},

  253.     {0x5, 9},

  254.     {0xc, 5},

  255.     {0x8, 8},

  256.     {0x4, 8},

  257.     {0x4, 9},

  258.     {0x7, 3},

  259.     {0xa, 5},

  260.     {0x8, 5},

  261.     {0xc, 6}

  262. };

  263. 

  264. #define MB_TYPE_ZERO_MV   0x20000000

  265. #define IS_ZERO_MV(a)   ((a)&MB_TYPE_ZERO_MV)

  266. 

  267. static const uint8_t table_mb_ptype[7][2] = {

  268.     { 3, 5 }, // 0x01 MB_INTRA

  269.     { 1, 2 }, // 0x02 MB_PAT

  270.     { 1, 3 }, // 0x08 MB_FOR

  271.     { 1, 1 }, // 0x0A MB_FOR|MB_PAT

  272.     { 1, 6 }, // 0x11 MB_QUANT|MB_INTRA

  273.     { 1, 5 }, // 0x12 MB_QUANT|MB_PAT

  274.     { 2, 5 }, // 0x1A MB_QUANT|MB_FOR|MB_PAT

  275. };

  276. 

  277. static const uint32_t ptype2mb_type[7] = {

  278.                     MB_TYPE_INTRA,

  279.                     MB_TYPE_L0 | MB_TYPE_CBP | MB_TYPE_ZERO_MV | MB_TYPE_16x16,

  280.                     MB_TYPE_L0,

  281.                     MB_TYPE_L0 | MB_TYPE_CBP,

  282.     MB_TYPE_QUANT | MB_TYPE_INTRA,

  283.     MB_TYPE_QUANT | MB_TYPE_L0 | MB_TYPE_CBP | MB_TYPE_ZERO_MV | MB_TYPE_16x16,

  284.     MB_TYPE_QUANT | MB_TYPE_L0 | MB_TYPE_CBP,

  285. };

  286. 

  287. static const uint8_t table_mb_btype[11][2] = {

  288.     { 3, 5 }, // 0x01 MB_INTRA

  289.     { 2, 3 }, // 0x04 MB_BACK

  290.     { 3, 3 }, // 0x06 MB_BACK|MB_PAT

  291.     { 2, 4 }, // 0x08 MB_FOR

  292.     { 3, 4 }, // 0x0A MB_FOR|MB_PAT

  293.     { 2, 2 }, // 0x0C MB_FOR|MB_BACK

  294.     { 3, 2 }, // 0x0E MB_FOR|MB_BACK|MB_PAT

  295.     { 1, 6 }, // 0x11 MB_QUANT|MB_INTRA

  296.     { 2, 6 }, // 0x16 MB_QUANT|MB_BACK|MB_PAT

  297.     { 3, 6 }, // 0x1A MB_QUANT|MB_FOR|MB_PAT

  298.     { 2, 5 }, // 0x1E MB_QUANT|MB_FOR|MB_BACK|MB_PAT

  299. };

  300. 

  301. static const uint32_t btype2mb_type[11] = {

  302.                     MB_TYPE_INTRA,

  303.                     MB_TYPE_L1,

  304.                     MB_TYPE_L1   | MB_TYPE_CBP,

  305.                     MB_TYPE_L0,

  306.                     MB_TYPE_L0   | MB_TYPE_CBP,

  307.                     MB_TYPE_L0L1,

  308.                     MB_TYPE_L0L1 | MB_TYPE_CBP,

  309.     MB_TYPE_QUANT | MB_TYPE_INTRA,

  310.     MB_TYPE_QUANT | MB_TYPE_L1   | MB_TYPE_CBP,

  311.     MB_TYPE_QUANT | MB_TYPE_L0   | MB_TYPE_CBP,

  312.     MB_TYPE_QUANT | MB_TYPE_L0L1 | MB_TYPE_CBP,

  313. };

  314. 

  315. static const uint8_t mbMotionVectorTable[17][2] = {

  316. { 0x1, 1 },

  317. { 0x1, 2 },

  318. { 0x1, 3 },

  319. { 0x1, 4 },

  320. { 0x3, 6 },

  321. { 0x5, 7 },

  322. { 0x4, 7 },

  323. { 0x3, 7 },

  324. { 0xb, 9 },

  325. { 0xa, 9 },

  326. { 0x9, 9 },

  327. { 0x11, 10 },

  328. { 0x10, 10 },

  329. { 0xf, 10 },

  330. { 0xe, 10 },

  331. { 0xd, 10 },

  332. { 0xc, 10 },

  333. };

  334. 

  335. static const AVRational frame_rate_tab[] = {

  336.     {    0,    0},

  337.     {24000, 1001},

  338.     {   24,    1},

  339.     {   25,    1},

  340.     {30000, 1001},

  341.     {   30,    1},

  342.     {   50,    1},

  343.     {60000, 1001},

  344.     {   60,    1},

  345.   // Xing's 15fps: (9)

  346.     {   15,    1},

  347.   // libmpeg3's "Unofficial economy rates": (10-13)

  348.     {    5,    1},

  349.     {   10,    1},

  350.     {   12,    1},

  351.     {   15,    1},

  352.     {    0,    0},

  353. };

  354. 

  355. static const uint8_t non_linear_qscale[32] = {

  356.     0, 1, 2, 3, 4, 5, 6, 7,

  357.     8,10,12,14,16,18,20,22,

  358.     24,28,32,36,40,44,48,52,

  359.     56,64,72,80,88,96,104,112,

  360. };

  361. 

  362. uint8_t ff_mpeg1_dc_scale_table[128]={

  363. //  0  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

  364.     8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,

  365.     8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,

  366.     8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,

  367.     8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,

  368. };

  369. 

  370. static uint8_t mpeg2_dc_scale_table1[128]={

  371. //  0  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

  372.     4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,

  373.     4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,

  374.     4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,

  375.     4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,

  376. };

  377. 

  378. static uint8_t mpeg2_dc_scale_table2[128]={ 

  379. //  0  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

  380.     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,

  381.     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,

  382.     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,

  383.     2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,

  384. };

  385. 

  386. static uint8_t mpeg2_dc_scale_table3[128]={ 

  387. //  0  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

  388.     1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,

  389.     1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,

  390.     1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,

  391.     1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,

  392. };

  393. 

  394. static uint8_t *mpeg2_dc_scale_table[4]={

  395.     ff_mpeg1_dc_scale_table,

  396.     mpeg2_dc_scale_table1,

  397.     mpeg2_dc_scale_table2,

  398.     mpeg2_dc_scale_table3,    

  399. };

  400. 

  401. static const float mpeg1_aspect[16]={

  402.     0.0000,

  403.     1.0000,

  404.     0.6735,

  405.     0.7031,

  406.     

  407.     0.7615,

  408.     0.8055,

  409.     0.8437,

  410.     0.8935,

  411. 

  412.     0.9157,

  413.     0.9815,

  414.     1.0255,

  415.     1.0695,

  416. 

  417.     1.0950,

  418.     1.1575,

  419.     1.2015,

  420. };

  421. 

  422. static const AVRational mpeg2_aspect[16]={

  423.     {0,1},

  424.     {1,1},

  425.     {4,3},

  426.     {16,9},

  427.     {221,100},

  428.     {0,1},

  429.     {0,1},

  430.     {0,1},

  431.     {0,1},

  432.     {0,1},

  433.     {0,1},

  434.     {0,1},

  435.     {0,1},

  436.     {0,1},

  437.     {0,1},

  438.     {0,1},

  439. };

  440. 

  441. static const uint8_t svcd_scan_offset_placeholder[14]={

  442.     0x10, 0x0E,

  443.     0x00, 0x80, 0x81,

  444.     0x00, 0x80, 0x81,

  445.     0xff, 0xff, 0xff,

  446.     0xff, 0xff, 0xff,

  447. };