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
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
|
# SPDX-License-Identifier: GPL-2.0-or-later
#
# Copyright (C) 2022, Paul Elder <paul.elder@ideasonboard.com>
#
# An infrastructure for camera tuning tools
import argparse
import libtuning as lt
import libtuning.utils as utils
from libtuning.utils import eprint
from enum import Enum, IntEnum
class Color(IntEnum):
R = 0
GR = 1
GB = 2
B = 3
class Debug(Enum):
Plot = 1
# @brief What to do with the leftover pixels after dividing them into ALSC
# sectors, when the division gradient is uniform
# @var Float Force floating point division so all sectors divide equally
# @var DistributeFront Divide the remainder equally (until running out,
# obviously) into the existing sectors, starting from the front
# @var DistributeBack Same as DistributeFront but starting from the back
class Remainder(Enum):
Float = 0
DistributeFront = 1
DistributeBack = 2
# @brief A helper class to contain a default value for a module configuration
# parameter
class Param(object):
# @var Required The value contained in this instance is irrelevant, and the
# value must be provided by the tuning configuration file.
# @var Optional If the value is not provided by the tuning configuration
# file, then the value contained in this instance will be used instead.
# @var Hardcode The value contained in this instance will be used
class Mode(Enum):
Required = 0
Optional = 1
Hardcode = 2
# @param name Name of the parameter. Shall match the name used in the
# configuration file for the parameter
# @param required Whether or not a value is required in the config
# parameter of get_value()
# @param val Default value (only relevant if mode is Optional)
def __init__(self, name: str, required: Mode, val=None):
self.name = name
self.__required = required
self.val = val
def get_value(self, config: dict):
if self.__required is self.Mode.Hardcode:
return self.val
if self.__required is self.Mode.Required and self.name not in config:
raise ValueError(f'Parameter {self.name} is required but not provided in the configuration')
return config[self.name] if self.required else self.val
@property
def required(self):
return self.__required is self.Mode.Required
# @brief Used by libtuning to auto-generate help information for the tuning
# script on the available parameters for the configuration file
# \todo Implement this
@property
def info(self):
raise NotImplementedError
class Tuner(object):
# External functions
def __init__(self, platform_name):
self.name = platform_name
self.modules = []
self.parser = None
self.generator = None
self.output_order = []
self.config = {}
self.output = {}
def add(self, module):
self.modules.append(module)
def set_input_parser(self, parser):
self.parser = parser
def set_output_formatter(self, output):
self.generator = output
def set_output_order(self, modules):
self.output_order = modules
# @brief Convert classes in self.output_order to the instances in self.modules
def _prepare_output_order(self):
output_order = self.output_order
self.output_order = []
for module_type in output_order:
modules = [module for module in self.modules if module.type == module_type.type]
if len(modules) > 1:
eprint(f'Multiple modules found for module type "{module_type.type}"')
return False
if len(modules) < 1:
eprint(f'No module found for module type "{module_type.type}"')
return False
self.output_order.append(modules[0])
return True
# \todo Validate parser and generator at Tuner construction time?
def _validate_settings(self):
if self.parser is None:
eprint('Missing parser')
return False
if self.generator is None:
eprint('Missing generator')
return False
if len(self.modules) == 0:
eprint('No modules added')
return False
if len(self.output_order) != len(self.modules):
eprint('Number of outputs does not match number of modules')
return False
return True
def _process_args(self, argv, platform_name):
parser = argparse.ArgumentParser(description=f'Camera Tuning for {platform_name}')
parser.add_argument('-i', '--input', type=str, required=True,
help='''Directory containing calibration images (required).
Images for ALSC must be named "alsc_{Color Temperature}k_1[u].dng",
and all other images must be named "{Color Temperature}k_{Lux Level}l.dng"''')
parser.add_argument('-o', '--output', type=str, required=True,
help='Output file (required)')
# It is not our duty to scan all modules to figure out their default
# options, so simply return an empty configuration if none is provided.
parser.add_argument('-c', '--config', type=str, default='',
help='Config file (optional)')
# \todo Check if we really need this or if stderr is good enough, or if
# we want a better logging infrastructure with log levels
parser.add_argument('-l', '--log', type=str, default=None,
help='Output log file (optional)')
return parser.parse_args(argv[1:])
def run(self, argv):
args = self._process_args(argv, self.name)
if args is None:
return -1
if not self._validate_settings():
return -1
if not self._prepare_output_order():
return -1
if len(args.config) > 0:
self.config, disable = self.parser.parse(args.config, self.modules)
else:
self.config = {'general': {}}
disable = []
# Remove disabled modules
for module in disable:
if module in self.modules:
self.modules.remove(module)
for module in self.modules:
if not module.validate_config(self.config):
eprint(f'Config is invalid for module {module.type}')
return -1
has_lsc = any(isinstance(m, lt.modules.lsc.LSC) for m in self.modules)
# Only one LSC module allowed
has_only_lsc = has_lsc and len(self.modules) == 1
images = utils.load_images(args.input, self.config, not has_only_lsc, has_lsc)
if images is None or len(images) == 0:
eprint(f'No images were found, or able to load')
return -1
# Do the tuning
for module in self.modules:
out = module.process(self.config, images, self.output)
if out is None:
eprint(f'Module {module.name} failed to process, aborting')
break
self.output[module] = out
self.generator.write(args.output, self.output, self.output_order)
return 0
|
