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#!/usr/bin/env python3
#
# SPDX-License-Identifier: BSD-2-Clause
#
# Copyright (C) 2019, Raspberry Pi Ltd
#
# ctt_vc4.py - camera tuning tool for VC4 platforms
import os
import sys
from ctt_run import run_ctt
from ctt_tools import parse_input
json_template = {
"rpi.black_level": {
"black_level": 4096
},
"rpi.dpc": {
},
"rpi.lux": {
"reference_shutter_speed": 10000,
"reference_gain": 1,
"reference_aperture": 1.0
},
"rpi.noise": {
},
"rpi.geq": {
},
"rpi.sdn": {
},
"rpi.awb": {
"priors": [
{"lux": 0, "prior": [2000, 1.0, 3000, 0.0, 13000, 0.0]},
{"lux": 800, "prior": [2000, 0.0, 6000, 2.0, 13000, 2.0]},
{"lux": 1500, "prior": [2000, 0.0, 4000, 1.0, 6000, 6.0, 6500, 7.0, 7000, 1.0, 13000, 1.0]}
],
"modes": {
"auto": {"lo": 2500, "hi": 8000},
"incandescent": {"lo": 2500, "hi": 3000},
"tungsten": {"lo": 3000, "hi": 3500},
"fluorescent": {"lo": 4000, "hi": 4700},
"indoor": {"lo": 3000, "hi": 5000},
"daylight": {"lo": 5500, "hi": 6500},
"cloudy": {"lo": 7000, "hi": 8600}
},
"bayes": 1
},
"rpi.agc": {
"metering_modes": {
"centre-weighted": {
"weights": [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0]
},
"spot": {
"weights": [2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
},
"matrix": {
"weights": [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
}
},
"exposure_modes": {
"normal": {
"shutter": [100, 10000, 30000, 60000, 120000],
"gain": [1.0, 2.0, 4.0, 6.0, 6.0]
},
"short": {
"shutter": [100, 5000, 10000, 20000, 120000],
"gain": [1.0, 2.0, 4.0, 6.0, 6.0]
}
},
"constraint_modes": {
"normal": [
{"bound": "LOWER", "q_lo": 0.98, "q_hi": 1.0, "y_target": [0, 0.5, 1000, 0.5]}
],
"highlight": [
{"bound": "LOWER", "q_lo": 0.98, "q_hi": 1.0, "y_target": [0, 0.5, 1000, 0.5]},
{"bound": "UPPER", "q_lo": 0.98, "q_hi": 1.0, "y_target": [0, 0.8, 1000, 0.8]}
]
},
"y_target": [0, 0.16, 1000, 0.165, 10000, 0.17]
},
"rpi.alsc": {
'omega': 1.3,
'n_iter': 100,
'luminance_strength': 0.7,
},
"rpi.contrast": {
"ce_enable": 1,
"gamma_curve": [
0, 0,
1024, 5040,
2048, 9338,
3072, 12356,
4096, 15312,
5120, 18051,
6144, 20790,
7168, 23193,
8192, 25744,
9216, 27942,
10240, 30035,
11264, 32005,
12288, 33975,
13312, 35815,
14336, 37600,
15360, 39168,
16384, 40642,
18432, 43379,
20480, 45749,
22528, 47753,
24576, 49621,
26624, 51253,
28672, 52698,
30720, 53796,
32768, 54876,
36864, 57012,
40960, 58656,
45056, 59954,
49152, 61183,
53248, 62355,
57344, 63419,
61440, 64476,
65535, 65535
]
},
"rpi.ccm": {
},
"rpi.sharpen": {
}
}
grid_size = (16, 12)
target = 'bcm2835'
if __name__ == '__main__':
"""
initialise calibration
"""
if len(sys.argv) == 1:
print("""
VC4 Camera Tuning Tool version 1.0
Required Arguments:
'-i' : Calibration image directory.
'-o' : Name of output json file.
Optional Arguments:
'-c' : Config file for the CTT. If not passed, default parameters used.
'-l' : Name of output log file. If not passed, 'ctt_log.txt' used.
""")
quit(0)
else:
"""
parse input arguments
"""
json_output, directory, config, log_output = parse_input()
run_ctt(json_output, directory, config, log_output, json_template, grid_size, target)
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