colorspace_tables.h

这个库实现了录象功能

  7976687, 7972006, 7967325, 7962644, 7957963, 7953282, 7948601, 7943920, 
  7939239, 7934558, 7929877, 7925196, 7920515, 7915835, 7911154, 7906473, 
  7901792, 7897111, 7892430, 7887749, 7883068, 7878387, 7873706, 7869025, 
  7864344, 7859663, 7854982, 7850302, 7845621, 7840940, 7836259, 7831578, 
  7826897, 7822216, 7817535, 7812854, 7808173, 7803492, 7798811, 7794130, 
  7789450, 7784769, 7780088, 7775407, 7770726, 7766045, 7761364, 7756683, 
  7752002, 7747321, 7742640, 7737959, 7733278, 7728598, 7723917, 7719236, 
  7714555, 7709874, 7705193, 7700512, 7695831, 7691150, 7686469, 7681788, 
  7677107, 7672426, 7667745, 7663065, 7658384, 7653703, 7649022, 7644341, 
  7639660, 7634979, 7630298, 7625617, 7620936, 7616255, 7611574, 7606893, 
  7602213, 7597532, 7592851, 7588170, 7583489, 7578808, 7574127, 7569446, 
  7564765, 7560084, 7555403, 7550722, 7546041, 7541360, 7536680, 7531999, 
  7527318, 7522637, 7517956, 7513275, 7508594, 7503913, 7499232, 7494551, 
  7489870, 7485189, 7480508, 7475828, 7471147, 7466466, 7461785, 7457104, 
  7452423, 7447742, 7443061, 7438380, 7433699, 7429018, 7424337, 7419656, 
  7414975, 7410295, 7405614, 7400933, 7396252, 7391571, 7386890, 7382209, 
  7377528, 7372847, 7368166, 7363485, 7358804, 7354123, 7349443, 7344762, 
  7340081, 7335400, 7330719, 7326038, 7321357, 7316676, 7311995, 7307314, 
  7302633, 7297952, 7293271, 7288591, 7283910, 7279229, 7274548, 7269867, 
  7265186, 7260505, 7255824, 7251143, 7246462, 7241781, 7237100, 7232419, 
  7227738, 7223058, 7218377, 7213696, 7209015, 7204334, 7199653, 7194972, 
};

#endif // HAVE_RGB_TO_YUV

#ifdef HAVE_RGB_TO_YUVJ

static int r_to_yj[256] = 
{
  0, 19595, 39191, 58786, 78381, 97976, 117572, 137167, 
  156762, 176357, 195953, 215548, 235143, 254738, 274334, 293929, 
  313524, 333119, 352715, 372310, 391905, 411501, 431096, 450691, 
  470286, 489882, 509477, 529072, 548667, 568263, 587858, 607453, 
  627048, 646644, 666239, 685834, 705430, 725025, 744620, 764215, 
  783811, 803406, 823001, 842596, 862192, 881787, 901382, 920977, 
  940573, 960168, 979763, 999358, 1018954, 1038549, 1058144, 1077740, 
  1097335, 1116930, 1136525, 1156121, 1175716, 1195311, 1214906, 1234502, 
  1254097, 1273692, 1293287, 1312883, 1332478, 1352073, 1371668, 1391264, 
  1410859, 1430454, 1450050, 1469645, 1489240, 1508835, 1528431, 1548026, 
  1567621, 1587216, 1606812, 1626407, 1646002, 1665597, 1685193, 1704788, 
  1724383, 1743978, 1763574, 1783169, 1802764, 1822360, 1841955, 1861550, 
  1881145, 1900741, 1920336, 1939931, 1959526, 1979122, 1998717, 2018312, 
  2037907, 2057503, 2077098, 2096693, 2116289, 2135884, 2155479, 2175074, 
  2194670, 2214265, 2233860, 2253455, 2273051, 2292646, 2312241, 2331836, 
  2351432, 2371027, 2390622, 2410217, 2429813, 2449408, 2469003, 2488599, 
  2508194, 2527789, 2547384, 2566980, 2586575, 2606170, 2625765, 2645361, 
  2664956, 2684551, 2704146, 2723742, 2743337, 2762932, 2782527, 2802123, 
  2821718, 2841313, 2860909, 2880504, 2900099, 2919694, 2939290, 2958885, 
  2978480, 2998075, 3017671, 3037266, 3056861, 3076456, 3096052, 3115647, 
  3135242, 3154838, 3174433, 3194028, 3213623, 3233219, 3252814, 3272409, 
  3292004, 3311600, 3331195, 3350790, 3370385, 3389981, 3409576, 3429171, 
  3448766, 3468362, 3487957, 3507552, 3527148, 3546743, 3566338, 3585933, 
  3605529, 3625124, 3644719, 3664314, 3683910, 3703505, 3723100, 3742695, 
  3762291, 3781886, 3801481, 3821076, 3840672, 3860267, 3879862, 3899458, 
  3919053, 3938648, 3958243, 3977839, 3997434, 4017029, 4036624, 4056220, 
  4075815, 4095410, 4115005, 4134601, 4154196, 4173791, 4193386, 4212982, 
  4232577, 4252172, 4271768, 4291363, 4310958, 4330553, 4350149, 4369744, 
  4389339, 4408934, 4428530, 4448125, 4467720, 4487315, 4506911, 4526506, 
  4546101, 4565697, 4585292, 4604887, 4624482, 4644078, 4663673, 4683268, 
  4702863, 4722459, 4742054, 4761649, 4781244, 4800840, 4820435, 4840030, 
  4859625, 4879221, 4898816, 4918411, 4938007, 4957602, 4977197, 4996792, 
};

static int g_to_yj[256] = 
{
  0, 38470, 76939, 115409, 153879, 192348, 230818, 269287, 
  307757, 346227, 384696, 423166, 461636, 500105, 538575, 577044, 
  615514, 653984, 692453, 730923, 769393, 807862, 846332, 884802, 
  923271, 961741, 1000210, 1038680, 1077150, 1115619, 1154089, 1192559, 
  1231028, 1269498, 1307967, 1346437, 1384907, 1423376, 1461846, 1500316, 
  1538785, 1577255, 1615725, 1654194, 1692664, 1731133, 1769603, 1808073, 
  1846542, 1885012, 1923482, 1961951, 2000421, 2038890, 2077360, 2115830, 
  2154299, 2192769, 2231239, 2269708, 2308178, 2346648, 2385117, 2423587, 
  2462056, 2500526, 2538996, 2577465, 2615935, 2654405, 2692874, 2731344, 
  2769814, 2808283, 2846753, 2885222, 2923692, 2962162, 3000631, 3039101, 
  3077571, 3116040, 3154510, 3192979, 3231449, 3269919, 3308388, 3346858, 
  3385328, 3423797, 3462267, 3500737, 3539206, 3577676, 3616145, 3654615, 
  3693085, 3731554, 3770024, 3808494, 3846963, 3885433, 3923902, 3962372, 
  4000842, 4039311, 4077781, 4116251, 4154720, 4193190, 4231660, 4270129, 
  4308599, 4347068, 4385538, 4424008, 4462477, 4500947, 4539417, 4577886, 
  4616356, 4654825, 4693295, 4731765, 4770234, 4808704, 4847174, 4885643, 
  4924113, 4962583, 5001052, 5039522, 5077991, 5116461, 5154931, 5193400, 
  5231870, 5270340, 5308809, 5347279, 5385748, 5424218, 5462688, 5501157, 
  5539627, 5578097, 5616566, 5655036, 5693506, 5731975, 5770445, 5808914, 
  5847384, 5885854, 5924323, 5962793, 6001263, 6039732, 6078202, 6116671, 
  6155141, 6193611, 6232080, 6270550, 6309020, 6347489, 6385959, 6424429, 
  6462898, 6501368, 6539837, 6578307, 6616777, 6655246, 6693716, 6732186, 
  6770655, 6809125, 6847594, 6886064, 6924534, 6963003, 7001473, 7039943, 
  7078412, 7116882, 7155352, 7193821, 7232291, 7270760, 7309230, 7347700, 
  7386169, 7424639, 7463109, 7501578, 7540048, 7578518, 7616987, 7655457, 
  7693926, 7732396, 7770866, 7809335, 7847805, 7886275, 7924744, 7963214, 
  8001683, 8040153, 8078623, 8117092, 8155562, 8194032, 8232501, 8270971, 
  8309441, 8347910, 8386380, 8424849, 8463319, 8501789, 8540258, 8578728, 
  8617198, 8655667, 8694137, 8732606, 8771076, 8809546, 8848015, 8886485, 
  8924955, 8963424, 9001894, 9040364, 9078833, 9117303, 9155772, 9194242, 
  9232712, 9271181, 9309651, 9348121, 9386590, 9425060, 9463529, 9501999, 
  9540469, 9578938, 9617408, 9655878, 9694347, 9732817, 9771287, 9809756, 
};

static int b_to_yj[256] = 
{
  0, 7471, 14942, 22413, 29884, 37356, 44827, 52298, 
  59769, 67240, 74711, 82182, 89653, 97124, 104595, 112067, 
  119538, 127009, 134480, 141951, 149422, 156893, 164364, 171835, 
  179306, 186778, 194249, 201720, 209191, 216662, 224133, 231604, 
  239075, 246546, 254018, 261489, 268960, 276431, 283902, 291373, 
  298844, 306315, 313786, 321257, 328729, 336200, 343671, 351142, 
  358613, 366084, 373555, 381026, 388497, 395969, 403440, 410911, 
  418382, 425853, 433324, 440795, 448266, 455737, 463208, 470680, 
  478151, 485622, 493093, 500564, 508035, 515506, 522977, 530448, 
  537919, 545391, 552862, 560333, 567804, 575275, 582746, 590217, 
  597688, 605159, 612631, 620102, 627573, 635044, 642515, 649986, 
  657457, 664928, 672399, 679870, 687342, 694813, 702284, 709755, 
  717226, 724697, 732168, 739639, 747110, 754582, 762053, 769524, 
  776995, 784466, 791937, 799408, 806879, 814350, 821821, 829293, 
  836764, 844235, 851706, 859177, 866648, 874119, 881590, 889061, 
  896532, 904004, 911475, 918946, 926417, 933888, 941359, 948830, 
  956301, 963772, 971244, 978715, 986186, 993657, 1001128, 1008599, 
  1016070, 1023541, 1031012, 1038483, 1045955, 1053426, 1060897, 1068368, 
  1075839, 1083310, 1090781, 1098252, 1105723, 1113194, 1120666, 1128137, 
  1135608, 1143079, 1150550, 1158021, 1165492, 1172963, 1180434, 1187906, 
  1195377, 1202848, 1210319, 1217790, 1225261, 1232732, 1240203, 1247674, 
  1255145, 1262617, 1270088, 1277559, 1285030, 1292501, 1299972, 1307443, 
  1314914, 1322385, 1329857, 1337328, 1344799, 1352270, 1359741, 1367212, 
  1374683, 1382154, 1389625, 1397096, 1404568, 1412039, 1419510, 1426981, 
  1434452, 1441923, 1449394, 1456865, 1464336, 1471807, 1479279, 1486750, 
  1494221, 1501692, 1509163, 1516634, 1524105, 1531576, 1539047, 1546519, 
  1553990, 1561461, 1568932, 1576403, 1583874, 1591345, 1598816, 1606287, 
  1613758, 1621230, 1628701, 1636172, 1643643, 1651114, 1658585, 1666056, 
  1673527, 1680998, 1688470, 1695941, 1703412, 1710883, 1718354, 1725825, 
  1733296, 1740767, 1748238, 1755709, 1763181, 1770652, 1778123, 1785594, 
  1793065, 1800536, 1808007, 1815478, 1822949, 1830420, 1837892, 1845363, 
  1852834, 1860305, 1867776, 1875247, 1882718, 1890189, 1897660, 1905132, 
};

static int r_to_uj[256] = 
{
  0, -11058, -22116, -33175, -44233, -55292, -66350, -77409, 
  -88467, -99526, -110584, -121643, -132702, -143760, -154819, -165877, 
  -176936, -187994, -199053, -210111, -221170, -232228, -243287, -254346, 
  -265404, -276463, -287521, -298580, -309638, -320697, -331755, -342814, 
  -353872, -364931, -375990, -387048, -398107, -409165, -420224, -431282, 
  -442341, -453399, -464458, -475516, -486575, -497634, -508692, -519751, 
  -530809, -541868, -552926, -563985, -575043, -586102, -597160, -608219, 
  -619277, -630336, -641395, -652453, -663512, -674570, -685629, -696687, 
  -707746, -718804, -729863, -740921, -751980, -763039, -774097, -785156, 
  -796214, -807273, -818331, -829390, -840448, -851507, -862565, -873624, 
  -884683, -895741, -906800, -917858, -928917, -939975, -951034, -962092, 
  -973151, -984209, -995268, -1006327, -1017385, -1028444, -1039502, -1050561, 
  -1061619, -1072678, -1083736, -1094795, -1105853, -1116912, -1127971, -1139029, 
  -1150088, -1161146, -1172205, -1183263, -1194322, -1205380, -1216439, -1227497, 
  -1238556, -1249615, -1260673, -1271732, -1282790, -1293849, -1304907, -1315966, 
  -1327024, -1338083, -1349141, -1360200, -1371259, -1382317, -1393376, -1404434, 
  -1415493, -1426551, -1437610, -1448668, -1459727, -1470785, -1481844, -1492903, 
  -1503961, -1515020, -1526078, -1537137, -1548195, -1559254, -1570312, -1581371, 
  -1592429, -1603488, -1614547, -1625605, -1636664, -1647722, -1658781, -1669839, 
  -1680898, -1691956, -1703015, -1714073, -1725132, -1736191, -1747249, -1758308, 
  -1769366, -1780425, -1791483, -1802542, -1813600, -1824659, -1835717, -1846776, 
  -1857834, -1868893, -1879952, -1891010, -1902069, -1913127, -1924186, -1935244, 
  -1946303, -1957361, -1968420, -1979478, -1990537, -2001596, -2012654, -2023713, 
  -2034771, -2045830, -2056888, -2067947, -2079005, -2090064, -2101122, -2112181, 
  -2123240, -2134298, -2145357, -2156415, -2167474, -2178532, -2189591, -2200649, 
  -2211708, -2222766, -2233825, -2244884, -2255942, -2267001, -2278059, -2289118, 
  -2300176, -2311235, -2322293, -2333352, -2344410, -2355469, -2366528, -2377586, 
  -2388645, -2399703, -2410762, -2421820, -2432879, -2443937, -2454996, -2466054, 
  -2477113, -2488172, -2499230, -2510289, -2521347, -2532406, -2543464, -2554523, 
  -2565581, -2576640, -2587698, -2598757, -2609816, -2620874, -2631933, -2642991, 
  -2654050, -2665108, -2676167, -2687225, -2698284, -2709342, -2720401, -2731460, 
  -2742518, -2753577, -2764635, -2775694, -2786752, -2797811, -2808869, -2819928, 
};

static int g_to_uj[256] = 
{
  0, -21708, -43418, -65127, -86837, -108546, -130256, -151965, 
  -173675, -195384, -217094, -238803, -260512, -282222, -303931, -325641, 
  -347350, -369060, -390769, -412479, -434188, -455898, -477607, -499316, 
  -521026, -542735, -564445, -586154, -607864, -629573, -651283, -672992, 
  -694702, -716411, -738120, -759830, -781539, -803249, -824958, -846668, 
  -868377, -890087, -911796, -933506, -955215, -976924, -998634, -1020343, 
  -1042053, -1063762, -1085472, -1107181, -1128891, -1150600, -1172310, -1194019, 
  -1215729, -1237438, -1259147, -1280857, -1302566, -1324276, -1345985, -1367695, 
  -1389404, -1411114, -1432823, -1454533, -1476242, -1497951, -1519661, -1541370, 
  -1563080, -1584789, -1606499, -1628208, -1649918, -1671627, -1693337, -1715046, 
  -1736755, -1758465, -1780174, -1801884, -1823593, -1845303, -1867012, -1888722, 
  -1910431, -1932141, -1953850, -1975559, -1997269, -2018978, -2040688, -2062397, 
  -2084107, -2105816, -2127526, -2149235, -2170945, -2192654, -2214363, -2236073, 
  -2257782, -2279492, -2301201, -2322911, -2344620, -2366330, -2388039, -2409749, 
  -2431458, -2453167, -2474877, -2496586, -2518296, -2540005, -2561715, -2583424, 
  -2605134, -2626843, -2648553, -2670262, -2691971, -2713681, -2735390, -2757100, 
  -2778809, -2800519, -2822228, -2843938, -2865647, -2887357, -2909066, -2930775, 
  -2952485, -2974194, -2995904, -3017613, -3039323, -3061032, -3082742, -3104451, 
  -3126161, -3147870, -3169579, -3191289, -3212998, -3234708, -3256417, -3278127, 
  -3299836, -3321546, -3343255, -3364965, -3386674, -3408383, -3430093, -3451802, 
  -3473512, -3495221, -3516931, -3538640, -3560350, -3582059, -3603769, -3625478, 
  -3647188, -3668897, -3690606, -3712316, -3734025, -3755735, -3777444, -3799154, 
  -3820863, -3842573, -3864282, -3885992, -3907701, -3929410, -3951120, -3972829, 
  -3994539, -4016248, -4037958, -4059667, -4081377, -4103086, -4124796, -4146505, 
  -4168214, -4189924, -4211633, -4233343, -4255052, -4276762, -4298471, -4320181, 
  -4341890, -4363600, -4385309, -4407018, -4428728, -4450437, -4472147, -4493856, 
  -4515566, -4537275, -4558985, -4580694, -4602404, -4624113, -4645822, -4667532, 
  -4689241, -4710951, -4732660, -4754370, -4776079, -4797789, -4819498, -4841208, 
  -4862917, -4884626, -4906336, -4928045, -4949755, -4971464, -4993174, -5014883, 
  -5036593, -5058302, -5080012, -5101721, -5123430, -5145140, -5166849, -5188559, 
  -5210268, -5231978, -5253687, -5275397, -5297106, -5318816, -5340525, -5362234, 
  -5383944, -5405653, -5427363, -5449072, -5470782, -5492491, -5514201, -5535910, 
};

static int b_to_uj[256] = 
{
  8388608, 8421376, 8454144, 8486912, 8519680, 8552448, 8585216, 8617984, 
  8650752, 8683520, 8716288, 8749056, 8781824, 8814592, 8847360, 8880128, 
  8912896, 8945664, 8978432, 9011200, 9043968, 9076736, 9109504, 9142272, 
  9175040, 9207808, 9240576, 9273344, 9306112, 9338880, 9371648, 9404416, 
  9437184, 9469952, 9502720, 9535488, 9568256, 9601024, 9633792, 9666560,