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Change gamma value

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This commit is contained in:
Jan-Henrik 2020-04-24 11:48:02 +02:00
parent d4335820ba
commit 9f284e27c6
2 changed files with 58 additions and 58 deletions
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112
stereo_mix/resources.cc
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@ -3116,67 +3116,67 @@ const uint16_t lut_led_gamma[] = {
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 1,
0, 0, 0, 0,
0, 0, 1, 1,
1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 2,
2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 3, 3, 3, 3, 3,
3, 3, 3, 4,
4, 4, 4, 4, 4, 4, 4, 4,
5, 5, 5, 6, 5, 5, 5, 6,
6, 6, 7, 7, 6, 6, 7, 7,
7, 8, 8, 8, 8, 8, 8, 9,
9, 9, 10, 10, 9, 10, 10, 11,
11, 11, 12, 12, 11, 12, 12, 13,
13, 13, 14, 14, 13, 14, 15, 15,
15, 15, 16, 17, 16, 17, 17, 18,
17, 18, 19, 19, 19, 19, 20, 21,
20, 21, 21, 22, 21, 22, 23, 24,
23, 24, 24, 25, 25, 25, 26, 27,
26, 27, 28, 29, 28, 29, 30, 31,
29, 30, 31, 32, 32, 33, 34, 35,
33, 34, 35, 36, 36, 37, 38, 39,
37, 38, 39, 40, 40, 41, 42, 43,
42, 43, 44, 45, 44, 45, 47, 48,
46, 47, 49, 50, 49, 50, 51, 53,
51, 52, 54, 55, 54, 55, 57, 58,
56, 58, 59, 61, 59, 61, 62, 64,
62, 63, 65, 66, 65, 66, 68, 69,
68, 70, 71, 73, 71, 72, 74, 76,
74, 76, 78, 79, 77, 79, 80, 82,
81, 83, 84, 86, 84, 85, 87, 89,
88, 90, 92, 94, 91, 92, 94, 96,
96, 97, 99, 101, 98, 100, 101, 103,
103, 105, 107, 110, 105, 107, 109, 111,
112, 114, 116, 118, 113, 115, 117, 119,
120, 122, 125, 127, 121, 123, 125, 128,
129, 132, 134, 136, 130, 132, 134, 136,
139, 141, 144, 146, 138, 141, 143, 145,
149, 151, 154, 157, 148, 150, 152, 155,
159, 162, 165, 167, 157, 160, 162, 164,
170, 173, 176, 178, 167, 169, 172, 175,
181, 184, 187, 190, 177, 180, 182, 185,
193, 196, 199, 202, 188, 190, 193, 196,
205, 208, 212, 215, 199, 201, 204, 207,
218, 221, 225, 228, 210, 213, 216, 219,
231, 235, 238, 242, 222, 224, 227, 230,
245, 249, 252, 256, 234, 237, 240, 243,
259, 263, 267, 270, 246, 249, 252, 255,
274, 278, 282, 286, 259, 262, 265, 268,
289, 293, 297, 301, 272, 275, 278, 282,
305, 309, 313, 318, 285, 289, 292, 296,
322, 326, 330, 334, 299, 303, 306, 310,
339, 343, 347, 352, 313, 317, 321, 324,
356, 361, 365, 370, 328, 332, 336, 339,
374, 379, 384, 388, 343, 347, 351, 355,
393, 398, 402, 407, 359, 362, 366, 370,
412, 417, 422, 427, 374, 378, 382, 387,
432, 437, 442, 447, 391, 395, 399, 403,
453, 458, 463, 468, 407, 412, 416, 420,
474, 479, 484, 490, 424, 429, 433, 437,
495, 501, 506, 512, 442, 446, 451, 455,
460, 464, 469, 473,
478, 483, 487, 492,
497, 501, 506, 511,
}; };

4
stereo_mix/resources/lookup_tables.py
View file

@ -28,9 +28,9 @@ lookup_tables_u16.append(('left_sin_pan', l_pan))
lookup_tables_u16.append(('right_cos_pan', r_pan)) lookup_tables_u16.append(('right_cos_pan', r_pan))
# led gamma correction # led gamma correction
gamma = 2.8 gamma = 2.4
max_in = 255 max_in = 255
max_out = 512 max_out = 511
input_vals = np.linspace(0, max_in, num=max_in + 1) input_vals = np.linspace(0, max_in, num=max_in + 1)
gamma_correction = ((input_vals / max_in) ** gamma) * max_out + 0.5 gamma_correction = ((input_vals / max_in) ** gamma) * max_out + 0.5
lookup_tables_u16.append(('led_gamma', np.floor(gamma_correction))) lookup_tables_u16.append(('led_gamma', np.floor(gamma_correction)))