diff options
author | Hans Verkuil <hans.verkuil@cisco.com> | 2014-11-17 10:05:39 -0300 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2014-12-02 11:18:07 -0200 |
commit | 3930e906f304854e90890fc96786b74c9979180b (patch) | |
tree | 87ab54e8b093dea5af330a4c0a2a7270ddf8d26f /drivers/media | |
parent | 1afed88381bb332040f2cb80ab1fa1d70506d593 (diff) | |
download | op-kernel-dev-3930e906f304854e90890fc96786b74c9979180b.zip op-kernel-dev-3930e906f304854e90890fc96786b74c9979180b.tar.gz |
[media] vivid-tpg-colors: add AdobeRGB and BT.2020 support
This extends the precalculated tpg_csc_colors matrix with AdobeRGB and BT.2020
colorspace support.
It also adds two precalculated tables that convert between linear RGB and non-linear
Rec.709 R'G'B' values, i.e. the Rec. 709 transfer function. This is needed to
efficiently handle the BT.2020 Constant Luminance Yc'CbcCrc encoding and decoding.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media')
-rw-r--r-- | drivers/media/platform/vivid/vivid-tpg-colors.c | 704 | ||||
-rw-r--r-- | drivers/media/platform/vivid/vivid-tpg-colors.h | 4 |
2 files changed, 665 insertions, 43 deletions
diff --git a/drivers/media/platform/vivid/vivid-tpg-colors.c b/drivers/media/platform/vivid/vivid-tpg-colors.c index 2adddc0..424aa7a 100644 --- a/drivers/media/platform/vivid/vivid-tpg-colors.c +++ b/drivers/media/platform/vivid/vivid-tpg-colors.c @@ -12,7 +12,7 @@ * This source also contains the code used to generate the tpg_csc_colors * table. Run the following command to compile it: * - * gcc vivid-colors.c -DCOMPILE_APP -o gen-colors -lm + * gcc vivid-tpg-colors.c -DCOMPILE_APP -o gen-colors -lm * * and run the utility. * @@ -78,22 +78,542 @@ const struct color tpg_colors[TPG_COLOR_MAX] = { #ifndef COMPILE_APP /* Generated table */ -const struct color16 tpg_csc_colors[V4L2_COLORSPACE_SRGB + 1][TPG_COLOR_CSC_BLACK + 1] = { - [V4L2_COLORSPACE_SMPTE170M][0] = { 2953, 2939, 2939 }, - [V4L2_COLORSPACE_SMPTE170M][1] = { 2954, 2963, 585 }, - [V4L2_COLORSPACE_SMPTE170M][2] = { 84, 2967, 2937 }, - [V4L2_COLORSPACE_SMPTE170M][3] = { 93, 2990, 575 }, - [V4L2_COLORSPACE_SMPTE170M][4] = { 3030, 259, 2933 }, - [V4L2_COLORSPACE_SMPTE170M][5] = { 3031, 406, 557 }, - [V4L2_COLORSPACE_SMPTE170M][6] = { 544, 428, 2931 }, - [V4L2_COLORSPACE_SMPTE170M][7] = { 551, 547, 547 }, +const unsigned short tpg_rec709_to_linear[255 * 16 + 1] = { + 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, + 4, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 6, 7, 7, + 7, 7, 8, 8, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 10, + 11, 11, 11, 11, 12, 12, 12, 12, 12, 13, 13, 13, 13, 14, 14, 14, + 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, + 18, 18, 18, 18, 19, 19, 19, 19, 20, 20, 20, 20, 20, 21, 21, 21, + 21, 22, 22, 22, 22, 22, 23, 23, 23, 23, 24, 24, 24, 24, 24, 25, + 25, 25, 25, 26, 26, 26, 26, 26, 27, 27, 27, 27, 28, 28, 28, 28, + 28, 29, 29, 29, 29, 30, 30, 30, 30, 30, 31, 31, 31, 31, 32, 32, + 32, 32, 32, 33, 33, 33, 33, 34, 34, 34, 34, 34, 35, 35, 35, 35, + 36, 36, 36, 36, 36, 37, 37, 37, 37, 38, 38, 38, 38, 38, 39, 39, + 39, 39, 40, 40, 40, 40, 40, 41, 41, 41, 41, 42, 42, 42, 42, 42, + 43, 43, 43, 43, 44, 44, 44, 44, 44, 45, 45, 45, 45, 46, 46, 46, + 46, 46, 47, 47, 47, 47, 48, 48, 48, 48, 48, 49, 49, 49, 49, 50, + 50, 50, 50, 50, 51, 51, 51, 51, 52, 52, 52, 52, 52, 53, 53, 53, + 53, 54, 54, 54, 54, 54, 55, 55, 55, 55, 56, 56, 56, 56, 56, 57, + 57, 57, 57, 58, 58, 58, 58, 58, 59, 59, 59, 59, 60, 60, 60, 60, + 60, 61, 61, 61, 61, 62, 62, 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3028, 3030, 3032, + 3033, 3035, 3037, 3038, 3040, 3042, 3044, 3045, 3047, 3049, 3050, 3052, 3054, 3056, 3057, 3059, + 3061, 3063, 3064, 3066, 3068, 3069, 3071, 3073, 3075, 3076, 3078, 3080, 3082, 3083, 3085, 3087, + 3089, 3090, 3092, 3094, 3095, 3097, 3099, 3101, 3102, 3104, 3106, 3108, 3109, 3111, 3113, 3115, + 3116, 3118, 3120, 3122, 3123, 3125, 3127, 3129, 3130, 3132, 3134, 3136, 3137, 3139, 3141, 3143, + 3144, 3146, 3148, 3150, 3151, 3153, 3155, 3157, 3158, 3160, 3162, 3164, 3165, 3167, 3169, 3171, + 3172, 3174, 3176, 3178, 3179, 3181, 3183, 3185, 3187, 3188, 3190, 3192, 3194, 3195, 3197, 3199, + 3201, 3202, 3204, 3206, 3208, 3209, 3211, 3213, 3215, 3217, 3218, 3220, 3222, 3224, 3225, 3227, + 3229, 3231, 3233, 3234, 3236, 3238, 3240, 3241, 3243, 3245, 3247, 3249, 3250, 3252, 3254, 3256, + 3258, 3259, 3261, 3263, 3265, 3266, 3268, 3270, 3272, 3274, 3275, 3277, 3279, 3281, 3283, 3284, + 3286, 3288, 3290, 3292, 3293, 3295, 3297, 3299, 3301, 3302, 3304, 3306, 3308, 3310, 3311, 3313, + 3315, 3317, 3319, 3320, 3322, 3324, 3326, 3328, 3329, 3331, 3333, 3335, 3337, 3338, 3340, 3342, + 3344, 3346, 3348, 3349, 3351, 3353, 3355, 3357, 3358, 3360, 3362, 3364, 3366, 3368, 3369, 3371, + 3373, 3375, 3377, 3378, 3380, 3382, 3384, 3386, 3388, 3389, 3391, 3393, 3395, 3397, 3399, 3400, + 3402, 3404, 3406, 3408, 3410, 3411, 3413, 3415, 3417, 3419, 3421, 3422, 3424, 3426, 3428, 3430, + 3432, 3433, 3435, 3437, 3439, 3441, 3443, 3444, 3446, 3448, 3450, 3452, 3454, 3455, 3457, 3459, + 3461, 3463, 3465, 3467, 3468, 3470, 3472, 3474, 3476, 3478, 3480, 3481, 3483, 3485, 3487, 3489, + 3491, 3492, 3494, 3496, 3498, 3500, 3502, 3504, 3506, 3507, 3509, 3511, 3513, 3515, 3517, 3519, + 3520, 3522, 3524, 3526, 3528, 3530, 3532, 3533, 3535, 3537, 3539, 3541, 3543, 3545, 3547, 3548, + 3550, 3552, 3554, 3556, 3558, 3560, 3562, 3563, 3565, 3567, 3569, 3571, 3573, 3575, 3577, 3578, + 3580, 3582, 3584, 3586, 3588, 3590, 3592, 3594, 3595, 3597, 3599, 3601, 3603, 3605, 3607, 3609, + 3611, 3612, 3614, 3616, 3618, 3620, 3622, 3624, 3626, 3628, 3629, 3631, 3633, 3635, 3637, 3639, + 3641, 3643, 3645, 3647, 3648, 3650, 3652, 3654, 3656, 3658, 3660, 3662, 3664, 3666, 3667, 3669, + 3671, 3673, 3675, 3677, 3679, 3681, 3683, 3685, 3687, 3688, 3690, 3692, 3694, 3696, 3698, 3700, + 3702, 3704, 3706, 3708, 3710, 3711, 3713, 3715, 3717, 3719, 3721, 3723, 3725, 3727, 3729, 3731, + 3733, 3735, 3736, 3738, 3740, 3742, 3744, 3746, 3748, 3750, 3752, 3754, 3756, 3758, 3760, 3762, + 3764, 3765, 3767, 3769, 3771, 3773, 3775, 3777, 3779, 3781, 3783, 3785, 3787, 3789, 3791, 3793, + 3795, 3796, 3798, 3800, 3802, 3804, 3806, 3808, 3810, 3812, 3814, 3816, 3818, 3820, 3822, 3824, + 3826, 3828, 3830, 3832, 3833, 3835, 3837, 3839, 3841, 3843, 3845, 3847, 3849, 3851, 3853, 3855, + 3857, 3859, 3861, 3863, 3865, 3867, 3869, 3871, 3873, 3875, 3877, 3879, 3881, 3883, 3884, 3886, + 3888, 3890, 3892, 3894, 3896, 3898, 3900, 3902, 3904, 3906, 3908, 3910, 3912, 3914, 3916, 3918, + 3920, 3922, 3924, 3926, 3928, 3930, 3932, 3934, 3936, 3938, 3940, 3942, 3944, 3946, 3948, 3950, + 3952, 3954, 3956, 3958, 3960, 3962, 3964, 3966, 3968, 3970, 3972, 3974, 3976, 3978, 3980, 3982, + 3984, 3986, 3988, 3990, 3992, 3994, 3996, 3998, 4000, 4002, 4004, 4006, 4008, 4010, 4012, 4014, + 4016, 4018, 4020, 4022, 4024, 4026, 4028, 4030, 4032, 4034, 4036, 4038, 4040, 4042, 4044, 4046, + 4048, 4050, 4052, 4054, 4056, 4058, 4060, 4062, 4064, 4066, 4068, 4070, 4072, 4074, 4076, 4078, + 4080, +}; + +/* Generated table */ +const unsigned short tpg_linear_to_rec709[255 * 16 + 1] = { + 0, 5, 9, 14, 18, 22, 27, 32, 36, 41, 45, 50, 54, 59, 63, 68, + 72, 77, 81, 86, 90, 95, 99, 104, 108, 113, 117, 122, 126, 131, 135, 139, + 144, 149, 153, 158, 162, 167, 171, 176, 180, 185, 189, 194, 198, 203, 207, 212, + 216, 221, 225, 230, 234, 239, 243, 248, 252, 257, 261, 266, 270, 275, 279, 284, + 288, 293, 297, 302, 306, 311, 315, 320, 324, 328, 334, 338, 343, 347, 352, 356, + 360, 365, 369, 373, 377, 381, 386, 390, 394, 398, 402, 406, 410, 414, 418, 422, + 426, 430, 433, 437, 441, 445, 449, 452, 456, 460, 464, 467, 471, 475, 478, 482, + 485, 489, 492, 496, 499, 503, 506, 510, 513, 517, 520, 524, 527, 530, 534, 537, + 540, 544, 547, 550, 554, 557, 560, 563, 566, 570, 573, 576, 579, 582, 586, 589, + 592, 595, 598, 601, 604, 607, 610, 613, 616, 619, 622, 625, 628, 631, 634, 637, + 640, 643, 646, 649, 652, 655, 658, 660, 663, 666, 669, 672, 675, 677, 680, 683, + 686, 689, 691, 694, 697, 700, 702, 705, 708, 711, 713, 716, 719, 721, 724, 727, + 729, 732, 735, 737, 740, 743, 745, 748, 750, 753, 756, 758, 761, 763, 766, 768, + 771, 773, 776, 779, 781, 784, 786, 789, 791, 794, 796, 799, 801, 803, 806, 808, + 811, 813, 816, 818, 821, 823, 825, 828, 830, 833, 835, 837, 840, 842, 844, 847, + 849, 851, 854, 856, 858, 861, 863, 865, 868, 870, 872, 875, 877, 879, 881, 884, + 886, 888, 891, 893, 895, 897, 900, 902, 904, 906, 908, 911, 913, 915, 917, 919, + 922, 924, 926, 928, 930, 933, 935, 937, 939, 941, 943, 946, 948, 950, 952, 954, + 956, 958, 960, 963, 965, 967, 969, 971, 973, 975, 977, 979, 981, 984, 986, 988, + 990, 992, 994, 996, 998, 1000, 1002, 1004, 1006, 1008, 1010, 1012, 1014, 1016, 1018, 1020, + 1022, 1024, 1026, 1028, 1030, 1032, 1034, 1036, 1038, 1040, 1042, 1044, 1046, 1048, 1050, 1052, + 1054, 1056, 1058, 1060, 1062, 1064, 1066, 1068, 1069, 1071, 1073, 1075, 1077, 1079, 1081, 1083, + 1085, 1087, 1089, 1090, 1092, 1094, 1096, 1098, 1100, 1102, 1104, 1106, 1107, 1109, 1111, 1113, + 1115, 1117, 1119, 1120, 1122, 1124, 1126, 1128, 1130, 1131, 1133, 1135, 1137, 1139, 1141, 1142, + 1144, 1146, 1148, 1150, 1151, 1153, 1155, 1157, 1159, 1160, 1162, 1164, 1166, 1168, 1169, 1171, + 1173, 1175, 1176, 1178, 1180, 1182, 1184, 1185, 1187, 1189, 1191, 1192, 1194, 1196, 1198, 1199, + 1201, 1203, 1204, 1206, 1208, 1210, 1211, 1213, 1215, 1217, 1218, 1220, 1222, 1223, 1225, 1227, + 1228, 1230, 1232, 1234, 1235, 1237, 1239, 1240, 1242, 1244, 1245, 1247, 1249, 1250, 1252, 1254, + 1255, 1257, 1259, 1260, 1262, 1264, 1265, 1267, 1269, 1270, 1272, 1274, 1275, 1277, 1279, 1280, + 1282, 1283, 1285, 1287, 1288, 1290, 1292, 1293, 1295, 1296, 1298, 1300, 1301, 1303, 1305, 1306, + 1308, 1309, 1311, 1313, 1314, 1316, 1317, 1319, 1321, 1322, 1324, 1325, 1327, 1328, 1330, 1332, + 1333, 1335, 1336, 1338, 1339, 1341, 1343, 1344, 1346, 1347, 1349, 1350, 1352, 1354, 1355, 1357, + 1358, 1360, 1361, 1363, 1364, 1366, 1367, 1369, 1371, 1372, 1374, 1375, 1377, 1378, 1380, 1381, + 1383, 1384, 1386, 1387, 1389, 1390, 1392, 1393, 1395, 1396, 1398, 1399, 1401, 1402, 1404, 1405, + 1407, 1408, 1410, 1411, 1413, 1414, 1416, 1417, 1419, 1420, 1422, 1423, 1425, 1426, 1428, 1429, + 1431, 1432, 1434, 1435, 1437, 1438, 1440, 1441, 1442, 1444, 1445, 1447, 1448, 1450, 1451, 1453, + 1454, 1456, 1457, 1458, 1460, 1461, 1463, 1464, 1466, 1467, 1469, 1470, 1471, 1473, 1474, 1476, + 1477, 1479, 1480, 1481, 1483, 1484, 1486, 1487, 1489, 1490, 1491, 1493, 1494, 1496, 1497, 1498, + 1500, 1501, 1503, 1504, 1505, 1507, 1508, 1510, 1511, 1512, 1514, 1515, 1517, 1518, 1519, 1521, + 1522, 1524, 1525, 1526, 1528, 1529, 1531, 1532, 1533, 1535, 1536, 1537, 1539, 1540, 1542, 1543, + 1544, 1546, 1547, 1548, 1550, 1551, 1553, 1554, 1555, 1557, 1558, 1559, 1561, 1562, 1563, 1565, + 1566, 1567, 1569, 1570, 1571, 1573, 1574, 1576, 1577, 1578, 1580, 1581, 1582, 1584, 1585, 1586, + 1588, 1589, 1590, 1592, 1593, 1594, 1596, 1597, 1598, 1600, 1601, 1602, 1603, 1605, 1606, 1607, + 1609, 1610, 1611, 1613, 1614, 1615, 1617, 1618, 1619, 1621, 1622, 1623, 1624, 1626, 1627, 1628, + 1630, 1631, 1632, 1634, 1635, 1636, 1637, 1639, 1640, 1641, 1643, 1644, 1645, 1647, 1648, 1649, + 1650, 1652, 1653, 1654, 1655, 1657, 1658, 1659, 1661, 1662, 1663, 1664, 1666, 1667, 1668, 1670, + 1671, 1672, 1673, 1675, 1676, 1677, 1678, 1680, 1681, 1682, 1683, 1685, 1686, 1687, 1688, 1690, + 1691, 1692, 1693, 1695, 1696, 1697, 1698, 1700, 1701, 1702, 1703, 1705, 1706, 1707, 1708, 1710, + 1711, 1712, 1713, 1715, 1716, 1717, 1718, 1720, 1721, 1722, 1723, 1724, 1726, 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3721, 3721, 3722, + 3722, 3723, 3724, 3724, 3725, 3725, 3726, 3726, 3727, 3727, 3728, 3728, 3729, 3730, 3730, 3731, + 3731, 3732, 3732, 3733, 3733, 3734, 3734, 3735, 3736, 3736, 3737, 3737, 3738, 3738, 3739, 3739, + 3740, 3740, 3741, 3742, 3742, 3743, 3743, 3744, 3744, 3745, 3745, 3746, 3746, 3747, 3748, 3748, + 3749, 3749, 3750, 3750, 3751, 3751, 3752, 3752, 3753, 3753, 3754, 3755, 3755, 3756, 3756, 3757, + 3757, 3758, 3758, 3759, 3759, 3760, 3761, 3761, 3762, 3762, 3763, 3763, 3764, 3764, 3765, 3765, + 3766, 3766, 3767, 3768, 3768, 3769, 3769, 3770, 3770, 3771, 3771, 3772, 3772, 3773, 3773, 3774, + 3775, 3775, 3776, 3776, 3777, 3777, 3778, 3778, 3779, 3779, 3780, 3781, 3781, 3782, 3782, 3783, + 3783, 3784, 3784, 3785, 3785, 3786, 3786, 3787, 3787, 3788, 3789, 3789, 3790, 3790, 3791, 3791, + 3792, 3792, 3793, 3793, 3794, 3794, 3795, 3796, 3796, 3797, 3797, 3798, 3798, 3799, 3799, 3800, + 3800, 3801, 3801, 3802, 3802, 3803, 3804, 3804, 3805, 3805, 3806, 3806, 3807, 3807, 3808, 3808, + 3809, 3809, 3810, 3811, 3811, 3812, 3812, 3813, 3813, 3814, 3814, 3815, 3815, 3816, 3816, 3817, + 3817, 3818, 3819, 3819, 3820, 3820, 3821, 3821, 3822, 3822, 3823, 3823, 3824, 3824, 3825, 3825, + 3826, 3826, 3827, 3828, 3828, 3829, 3829, 3830, 3830, 3831, 3831, 3832, 3832, 3833, 3833, 3834, + 3834, 3835, 3835, 3836, 3837, 3837, 3838, 3838, 3839, 3839, 3840, 3840, 3841, 3841, 3842, 3842, + 3843, 3843, 3844, 3844, 3845, 3846, 3846, 3847, 3847, 3848, 3848, 3849, 3849, 3850, 3850, 3851, + 3851, 3852, 3852, 3853, 3853, 3854, 3855, 3855, 3856, 3856, 3857, 3857, 3858, 3858, 3859, 3859, + 3860, 3860, 3861, 3861, 3862, 3862, 3863, 3863, 3864, 3864, 3865, 3866, 3866, 3867, 3867, 3868, + 3868, 3869, 3869, 3870, 3870, 3871, 3871, 3872, 3872, 3873, 3873, 3874, 3874, 3875, 3876, 3876, + 3877, 3877, 3878, 3878, 3879, 3879, 3880, 3880, 3881, 3881, 3882, 3882, 3883, 3883, 3884, 3884, + 3885, 3885, 3886, 3886, 3887, 3888, 3888, 3889, 3889, 3890, 3890, 3891, 3891, 3892, 3892, 3893, + 3893, 3894, 3894, 3895, 3895, 3896, 3896, 3897, 3897, 3898, 3898, 3899, 3900, 3900, 3901, 3901, + 3902, 3902, 3903, 3903, 3904, 3904, 3905, 3905, 3906, 3906, 3907, 3907, 3908, 3908, 3909, 3909, + 3910, 3910, 3911, 3911, 3912, 3912, 3913, 3914, 3914, 3915, 3915, 3916, 3916, 3917, 3917, 3918, + 3918, 3919, 3919, 3920, 3920, 3921, 3921, 3922, 3922, 3923, 3923, 3924, 3924, 3925, 3925, 3926, + 3926, 3927, 3927, 3928, 3929, 3929, 3930, 3930, 3931, 3931, 3932, 3932, 3933, 3933, 3934, 3934, + 3935, 3935, 3936, 3936, 3937, 3937, 3938, 3938, 3939, 3939, 3940, 3940, 3941, 3941, 3942, 3942, + 3943, 3943, 3944, 3944, 3945, 3945, 3946, 3947, 3947, 3948, 3948, 3949, 3949, 3950, 3950, 3951, + 3951, 3952, 3952, 3953, 3953, 3954, 3954, 3955, 3955, 3956, 3956, 3957, 3957, 3958, 3958, 3959, + 3959, 3960, 3960, 3961, 3961, 3962, 3962, 3963, 3963, 3964, 3964, 3965, 3965, 3966, 3966, 3967, + 3967, 3968, 3969, 3969, 3970, 3970, 3971, 3971, 3972, 3972, 3973, 3973, 3974, 3974, 3975, 3975, + 3976, 3976, 3977, 3977, 3978, 3978, 3979, 3979, 3980, 3980, 3981, 3981, 3982, 3982, 3983, 3983, + 3984, 3984, 3985, 3985, 3986, 3986, 3987, 3987, 3988, 3988, 3989, 3989, 3990, 3990, 3991, 3991, + 3992, 3992, 3993, 3993, 3994, 3994, 3995, 3995, 3996, 3996, 3997, 3997, 3998, 3998, 3999, 3999, + 4000, 4001, 4001, 4002, 4002, 4003, 4003, 4004, 4004, 4005, 4005, 4006, 4006, 4007, 4007, 4008, + 4008, 4009, 4009, 4010, 4010, 4011, 4011, 4012, 4012, 4013, 4013, 4014, 4014, 4015, 4015, 4016, + 4016, 4017, 4017, 4018, 4018, 4019, 4019, 4020, 4020, 4021, 4021, 4022, 4022, 4023, 4023, 4024, + 4024, 4025, 4025, 4026, 4026, 4027, 4027, 4028, 4028, 4029, 4029, 4030, 4030, 4031, 4031, 4032, + 4032, 4033, 4033, 4034, 4034, 4035, 4035, 4036, 4036, 4037, 4037, 4038, 4038, 4039, 4039, 4040, + 4040, 4041, 4041, 4042, 4042, 4043, 4043, 4044, 4044, 4045, 4045, 4046, 4046, 4047, 4047, 4048, + 4048, 4049, 4049, 4050, 4050, 4051, 4051, 4052, 4052, 4053, 4053, 4054, 4054, 4055, 4055, 4056, + 4056, 4057, 4057, 4058, 4058, 4059, 4059, 4060, 4060, 4061, 4061, 4062, 4062, 4063, 4063, 4064, + 4064, 4065, 4065, 4066, 4066, 4067, 4067, 4068, 4068, 4069, 4069, 4070, 4070, 4071, 4071, 4072, + 4072, 4073, 4073, 4074, 4074, 4075, 4075, 4076, 4076, 4077, 4077, 4078, 4078, 4079, 4079, 4080, + 4080, +}; + +/* Generated table */ +const struct color16 tpg_csc_colors[V4L2_COLORSPACE_BT2020 + 1][TPG_COLOR_CSC_BLACK + 1] = { + [V4L2_COLORSPACE_SMPTE170M][0] = { 2939, 2939, 2939 }, + [V4L2_COLORSPACE_SMPTE170M][1] = { 2953, 2963, 586 }, + [V4L2_COLORSPACE_SMPTE170M][2] = { 0, 2967, 2937 }, + [V4L2_COLORSPACE_SMPTE170M][3] = { 88, 2990, 575 }, + [V4L2_COLORSPACE_SMPTE170M][4] = { 3016, 259, 2933 }, + [V4L2_COLORSPACE_SMPTE170M][5] = { 3030, 405, 558 }, + [V4L2_COLORSPACE_SMPTE170M][6] = { 478, 428, 2931 }, + [V4L2_COLORSPACE_SMPTE170M][7] = { 547, 547, 547 }, [V4L2_COLORSPACE_SMPTE240M][0] = { 2926, 2926, 2926 }, - [V4L2_COLORSPACE_SMPTE240M][1] = { 2926, 2926, 857 }, - [V4L2_COLORSPACE_SMPTE240M][2] = { 1594, 2901, 2901 }, - [V4L2_COLORSPACE_SMPTE240M][3] = { 1594, 2901, 774 }, - [V4L2_COLORSPACE_SMPTE240M][4] = { 2484, 618, 2858 }, - [V4L2_COLORSPACE_SMPTE240M][5] = { 2484, 618, 617 }, - [V4L2_COLORSPACE_SMPTE240M][6] = { 507, 507, 2832 }, + [V4L2_COLORSPACE_SMPTE240M][1] = { 2941, 2950, 546 }, + [V4L2_COLORSPACE_SMPTE240M][2] = { 0, 2954, 2924 }, + [V4L2_COLORSPACE_SMPTE240M][3] = { 78, 2978, 536 }, + [V4L2_COLORSPACE_SMPTE240M][4] = { 3004, 230, 2920 }, + [V4L2_COLORSPACE_SMPTE240M][5] = { 3018, 363, 518 }, + [V4L2_COLORSPACE_SMPTE240M][6] = { 437, 387, 2918 }, [V4L2_COLORSPACE_SMPTE240M][7] = { 507, 507, 507 }, [V4L2_COLORSPACE_REC709][0] = { 2939, 2939, 2939 }, [V4L2_COLORSPACE_REC709][1] = { 2939, 2939, 547 }, @@ -103,21 +623,21 @@ const struct color16 tpg_csc_colors[V4L2_COLORSPACE_SRGB + 1][TPG_COLOR_CSC_BLAC [V4L2_COLORSPACE_REC709][5] = { 2939, 547, 547 }, [V4L2_COLORSPACE_REC709][6] = { 547, 547, 2939 }, [V4L2_COLORSPACE_REC709][7] = { 547, 547, 547 }, - [V4L2_COLORSPACE_470_SYSTEM_M][0] = { 2894, 2988, 2808 }, - [V4L2_COLORSPACE_470_SYSTEM_M][1] = { 2847, 3070, 843 }, + [V4L2_COLORSPACE_470_SYSTEM_M][0] = { 2892, 2988, 2807 }, + [V4L2_COLORSPACE_470_SYSTEM_M][1] = { 2846, 3070, 843 }, [V4L2_COLORSPACE_470_SYSTEM_M][2] = { 1656, 2962, 2783 }, [V4L2_COLORSPACE_470_SYSTEM_M][3] = { 1572, 3045, 763 }, - [V4L2_COLORSPACE_470_SYSTEM_M][4] = { 2477, 229, 2743 }, - [V4L2_COLORSPACE_470_SYSTEM_M][5] = { 2422, 672, 614 }, + [V4L2_COLORSPACE_470_SYSTEM_M][4] = { 2476, 229, 2742 }, + [V4L2_COLORSPACE_470_SYSTEM_M][5] = { 2420, 672, 614 }, [V4L2_COLORSPACE_470_SYSTEM_M][6] = { 725, 63, 2718 }, [V4L2_COLORSPACE_470_SYSTEM_M][7] = { 534, 561, 509 }, [V4L2_COLORSPACE_470_SYSTEM_BG][0] = { 2939, 2939, 2939 }, - [V4L2_COLORSPACE_470_SYSTEM_BG][1] = { 2939, 2939, 621 }, + [V4L2_COLORSPACE_470_SYSTEM_BG][1] = { 2939, 2939, 464 }, [V4L2_COLORSPACE_470_SYSTEM_BG][2] = { 786, 2939, 2939 }, - [V4L2_COLORSPACE_470_SYSTEM_BG][3] = { 786, 2939, 621 }, - [V4L2_COLORSPACE_470_SYSTEM_BG][4] = { 2879, 547, 2923 }, + [V4L2_COLORSPACE_470_SYSTEM_BG][3] = { 786, 2939, 464 }, + [V4L2_COLORSPACE_470_SYSTEM_BG][4] = { 2879, 547, 2956 }, [V4L2_COLORSPACE_470_SYSTEM_BG][5] = { 2879, 547, 547 }, - [V4L2_COLORSPACE_470_SYSTEM_BG][6] = { 547, 547, 2923 }, + [V4L2_COLORSPACE_470_SYSTEM_BG][6] = { 547, 547, 2956 }, [V4L2_COLORSPACE_470_SYSTEM_BG][7] = { 547, 547, 547 }, [V4L2_COLORSPACE_SRGB][0] = { 3056, 3056, 3056 }, [V4L2_COLORSPACE_SRGB][1] = { 3056, 3056, 800 }, @@ -127,6 +647,22 @@ const struct color16 tpg_csc_colors[V4L2_COLORSPACE_SRGB + 1][TPG_COLOR_CSC_BLAC [V4L2_COLORSPACE_SRGB][5] = { 3056, 800, 800 }, [V4L2_COLORSPACE_SRGB][6] = { 800, 800, 3056 }, [V4L2_COLORSPACE_SRGB][7] = { 800, 800, 800 }, + [V4L2_COLORSPACE_ADOBERGB][0] = { 3033, 3033, 3033 }, + [V4L2_COLORSPACE_ADOBERGB][1] = { 3033, 3033, 1063 }, + [V4L2_COLORSPACE_ADOBERGB][2] = { 1828, 3033, 3033 }, + [V4L2_COLORSPACE_ADOBERGB][3] = { 1828, 3033, 1063 }, + [V4L2_COLORSPACE_ADOBERGB][4] = { 2633, 851, 2979 }, + [V4L2_COLORSPACE_ADOBERGB][5] = { 2633, 851, 851 }, + [V4L2_COLORSPACE_ADOBERGB][6] = { 851, 851, 2979 }, + [V4L2_COLORSPACE_ADOBERGB][7] = { 851, 851, 851 }, + [V4L2_COLORSPACE_BT2020][0] = { 2939, 2939, 2939 }, + [V4L2_COLORSPACE_BT2020][1] = { 2877, 2923, 1058 }, + [V4L2_COLORSPACE_BT2020][2] = { 1837, 2840, 2916 }, + [V4L2_COLORSPACE_BT2020][3] = { 1734, 2823, 993 }, + [V4L2_COLORSPACE_BT2020][4] = { 2427, 961, 2812 }, + [V4L2_COLORSPACE_BT2020][5] = { 2351, 912, 648 }, + [V4L2_COLORSPACE_BT2020][6] = { 792, 618, 2788 }, + [V4L2_COLORSPACE_BT2020][7] = { 547, 547, 547 }, }; #else @@ -138,29 +674,40 @@ const struct color16 tpg_csc_colors[V4L2_COLORSPACE_SRGB + 1][TPG_COLOR_CSC_BLAC #include <stdlib.h> static const double rec709_to_ntsc1953[3][3] = { - { 0.6698, 0.2678, 0.0323 }, - { 0.0185, 1.0742, -0.0603 }, - { 0.0162, 0.0432, 0.8551 } + { 0.6689794, 0.2678309, 0.0323187 }, + { 0.0184901, 1.0742442, -0.0602820 }, + { 0.0162259, 0.0431716, 0.8549253 } }; static const double rec709_to_ebu[3][3] = { - { 0.9578, 0.0422, 0 }, - { 0 , 1 , 0 }, - { 0 , 0.0118, 0.9882 } + { 0.9578221, 0.0421779, -0.0000000 }, + { -0.0000000, 1.0000000, 0.0000000 }, + { -0.0000000, -0.0119367, 1.0119367 } }; static const double rec709_to_170m[3][3] = { - { 1.0654, -0.0554, -0.0010 }, - { -0.0196, 1.0364, -0.0167 }, - { 0.0016, 0.0044, 0.9940 } + { 1.0653640, -0.0553900, -0.0099740 }, + { -0.0196361, 1.0363630, -0.0167269 }, + { 0.0016327, 0.0044133, 0.9939540 }, }; static const double rec709_to_240m[3][3] = { - { 0.7151, 0.2849, 0 }, - { 0.0179, 0.9821, 0 }, - { 0.0177, 0.0472, 0.9350 } + { 1.0653640, -0.0553900, -0.0099740 }, + { -0.0196361, 1.0363630, -0.0167269 }, + { 0.0016327, 0.0044133, 0.9939540 }, +}; + +static const double rec709_to_adobergb[3][3] = { + { 0.7151627, 0.2848373, -0.0000000 }, + { 0.0000000, 1.0000000, 0.0000000 }, + { -0.0000000, 0.0411705, 0.9588295 }, }; +static const double rec709_to_bt2020[3][3] = { + { 0.6274524, 0.3292485, 0.0432991 }, + { 0.0691092, 0.9195311, 0.0113597 }, + { 0.0163976, 0.0880301, 0.8955723 }, +}; static void mult_matrix(double *r, double *g, double *b, const double m[3][3]) { @@ -176,7 +723,18 @@ static void mult_matrix(double *r, double *g, double *b, const double m[3][3]) static double transfer_srgb_to_rgb(double v) { - return (v <= 0.03928) ? v / 12.92 : pow((v + 0.055) / 1.055, 2.4); + if (v < -0.04045) + return pow((-v + 0.055) / 1.055, 2.4); + return (v <= 0.04045) ? v / 12.92 : pow((v + 0.055) / 1.055, 2.4); +} + +static double transfer_rgb_to_srgb(double v) +{ + if (v <= -0.0031308) + return -1.055 * pow(-v, 1.0 / 2.4) + 0.055; + if (v <= 0.0031308) + return v * 12.92; + return 1.055 * pow(v, 1.0 / 2.4) - 0.055; } static double transfer_rgb_to_smpte240m(double v) @@ -186,9 +744,21 @@ static double transfer_rgb_to_smpte240m(double v) static double transfer_rgb_to_rec709(double v) { + if (v <= -0.018) + return -1.099 * pow(-v, 0.45) + 0.099; return (v < 0.018) ? v * 4.5 : 1.099 * pow(v, 0.45) - 0.099; } +static double transfer_rec709_to_rgb(double v) +{ + return (v < 0.081) ? v / 4.5 : pow((v + 0.099) / 1.099, 1.0 / 0.45); +} + +static double transfer_rgb_to_adobergb(double v) +{ + return pow(v, 1.0 / 2.19921875); +} + static double transfer_srgb_to_rec709(double v) { return transfer_rgb_to_rec709(transfer_srgb_to_rgb(v)); @@ -196,6 +766,8 @@ static double transfer_srgb_to_rec709(double v) static void csc(enum v4l2_colorspace colorspace, double *r, double *g, double *b) { + int clamp = 1; + /* Convert the primaries of Rec. 709 Linear RGB */ switch (colorspace) { case V4L2_COLORSPACE_SMPTE240M: @@ -222,15 +794,29 @@ static void csc(enum v4l2_colorspace colorspace, double *r, double *g, double *b *b = transfer_srgb_to_rgb(*b); mult_matrix(r, g, b, rec709_to_ntsc1953); break; + case V4L2_COLORSPACE_ADOBERGB: + *r = transfer_srgb_to_rgb(*r); + *g = transfer_srgb_to_rgb(*g); + *b = transfer_srgb_to_rgb(*b); + mult_matrix(r, g, b, rec709_to_adobergb); + break; + case V4L2_COLORSPACE_BT2020: + *r = transfer_srgb_to_rgb(*r); + *g = transfer_srgb_to_rgb(*g); + *b = transfer_srgb_to_rgb(*b); + mult_matrix(r, g, b, rec709_to_bt2020); + break; case V4L2_COLORSPACE_SRGB: case V4L2_COLORSPACE_REC709: default: break; } - *r = ((*r) < 0) ? 0 : (((*r) > 1) ? 1 : (*r)); - *g = ((*g) < 0) ? 0 : (((*g) > 1) ? 1 : (*g)); - *b = ((*b) < 0) ? 0 : (((*b) > 1) ? 1 : (*b)); + if (clamp) { + *r = ((*r) < 0) ? 0 : (((*r) > 1) ? 1 : (*r)); + *g = ((*g) < 0) ? 0 : (((*g) > 1) ? 1 : (*g)); + *b = ((*b) < 0) ? 0 : (((*b) > 1) ? 1 : (*b)); + } /* Encode to gamma corrected colorspace */ switch (colorspace) { @@ -242,12 +828,18 @@ static void csc(enum v4l2_colorspace colorspace, double *r, double *g, double *b case V4L2_COLORSPACE_SMPTE170M: case V4L2_COLORSPACE_470_SYSTEM_M: case V4L2_COLORSPACE_470_SYSTEM_BG: + case V4L2_COLORSPACE_BT2020: *r = transfer_rgb_to_rec709(*r); *g = transfer_rgb_to_rec709(*g); *b = transfer_rgb_to_rec709(*b); break; case V4L2_COLORSPACE_SRGB: break; + case V4L2_COLORSPACE_ADOBERGB: + *r = transfer_rgb_to_adobergb(*r); + *g = transfer_rgb_to_adobergb(*g); + *b = transfer_rgb_to_adobergb(*b); + break; case V4L2_COLORSPACE_REC709: default: *r = transfer_srgb_to_rec709(*r); @@ -269,6 +861,8 @@ int main(int argc, char **argv) V4L2_COLORSPACE_470_SYSTEM_BG, 0, V4L2_COLORSPACE_SRGB, + V4L2_COLORSPACE_ADOBERGB, + V4L2_COLORSPACE_BT2020, }; static const char * const colorspace_names[] = { "", @@ -280,13 +874,39 @@ int main(int argc, char **argv) "V4L2_COLORSPACE_470_SYSTEM_BG", "", "V4L2_COLORSPACE_SRGB", + "V4L2_COLORSPACE_ADOBERGB", + "V4L2_COLORSPACE_BT2020", }; int i; int c; printf("/* Generated table */\n"); - printf("const struct color16 tpg_csc_colors[V4L2_COLORSPACE_SRGB + 1][TPG_COLOR_CSC_BLACK + 1] = {\n"); - for (c = 0; c <= V4L2_COLORSPACE_SRGB; c++) { + printf("const unsigned short tpg_rec709_to_linear[255 * 16 + 1] = {"); + for (i = 0; i <= 255 * 16; i++) { + if (i % 16 == 0) + printf("\n\t"); + printf("%4d,%s", + (int)(0.5 + 16.0 * 255.0 * + transfer_rec709_to_rgb(i / (16.0 * 255.0))), + i % 16 == 15 || i == 255 * 16 ? "" : " "); + } + printf("\n};\n\n"); + + printf("/* Generated table */\n"); + printf("const unsigned short tpg_linear_to_rec709[255 * 16 + 1] = {"); + for (i = 0; i <= 255 * 16; i++) { + if (i % 16 == 0) + printf("\n\t"); + printf("%4d,%s", + (int)(0.5 + 16.0 * 255.0 * + transfer_rgb_to_rec709(i / (16.0 * 255.0))), + i % 16 == 15 || i == 255 * 16 ? "" : " "); + } + printf("\n};\n\n"); + + printf("/* Generated table */\n"); + printf("const struct color16 tpg_csc_colors[V4L2_COLORSPACE_BT2020 + 1][TPG_COLOR_CSC_BLACK + 1] = {\n"); + for (c = 0; c <= V4L2_COLORSPACE_BT2020; c++) { for (i = 0; i <= TPG_COLOR_CSC_BLACK; i++) { double r, g, b; diff --git a/drivers/media/platform/vivid/vivid-tpg-colors.h b/drivers/media/platform/vivid/vivid-tpg-colors.h index a2678fb..2c33335 100644 --- a/drivers/media/platform/vivid/vivid-tpg-colors.h +++ b/drivers/media/platform/vivid/vivid-tpg-colors.h @@ -59,6 +59,8 @@ enum tpg_color { }; extern const struct color tpg_colors[TPG_COLOR_MAX]; -extern const struct color16 tpg_csc_colors[V4L2_COLORSPACE_SRGB + 1][TPG_COLOR_CSC_BLACK + 1]; +extern const unsigned short tpg_rec709_to_linear[255 * 16 + 1]; +extern const unsigned short tpg_linear_to_rec709[255 * 16 + 1]; +extern const struct color16 tpg_csc_colors[V4L2_COLORSPACE_BT2020 + 1][TPG_COLOR_CSC_BLACK + 1]; #endif |