libcamera/utils/tuning/libtuning/modules/lsc/rkisp1.py
Laurent Pinchart 626172a16b libcamera: Drop file name from header comment blocks
Source files in libcamera start by a comment block header, which
includes the file name and a one-line description of the file contents.
While the latter is useful to get a quick overview of the file contents
at a glance, the former is mostly a source of inconvenience. The name in
the comments can easily get out of sync with the file name when files
are renamed, and copy & paste during development have often lead to
incorrect names being used to start with.

Readers of the source code are expected to know which file they're
looking it. Drop the file name from the header comment block.

The change was generated with the following script:

----------------------------------------

dirs="include/libcamera src test utils"

declare -rA patterns=(
	['c']=' \* '
	['cpp']=' \* '
	['h']=' \* '
	['py']='# '
	['sh']='# '
)

for ext in ${!patterns[@]} ; do
	files=$(for dir in $dirs ; do find $dir -name "*.${ext}" ; done)
	pattern=${patterns[${ext}]}

	for file in $files ; do
		name=$(basename ${file})
		sed -i "s/^\(${pattern}\)${name} - /\1/" "$file"
	done
done
----------------------------------------

This misses several files that are out of sync with the comment block
header. Those will be addressed separately and manually.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
2024-05-08 22:39:50 +03:00

112 lines
3.8 KiB
Python

# SPDX-License-Identifier: BSD-2-Clause
#
# Copyright (C) 2019, Raspberry Pi Ltd
# Copyright (C) 2022, Paul Elder <paul.elder@ideasonboard.com>
#
# LSC module for tuning rkisp1
from .lsc import LSC
import libtuning as lt
import libtuning.utils as utils
from numbers import Number
import numpy as np
class LSCRkISP1(LSC):
hr_name = 'LSC (RkISP1)'
out_name = 'LensShadingCorrection'
# \todo Not sure if this is useful. Probably will remove later.
compatible = ['rkisp1']
def __init__(self, *args, **kwargs):
super().__init__(**kwargs)
# We don't actually need anything from the config file
def validate_config(self, config: dict) -> bool:
return True
# @return Image color temperature, flattened array of red calibration table
# (containing {sector size} elements), flattened array of blue
# calibration table, flattened array of (red's) green calibration
# table, flattened array of (blue's) green calibration table
def _do_single_lsc(self, image: lt.Image):
cgr, gr = self._lsc_single_channel(image.channels[lt.Color.GR], image)
cgb, gb = self._lsc_single_channel(image.channels[lt.Color.GB], image)
# \todo Should these ratio against the average of both greens or just
# each green like we've done here?
cr, _ = self._lsc_single_channel(image.channels[lt.Color.R], image, gr)
cb, _ = self._lsc_single_channel(image.channels[lt.Color.B], image, gb)
return image.color, cr.flatten(), cb.flatten(), cgr.flatten(), cgb.flatten()
# @return List of dictionaries of color temperature, red table, red's green
# table, blue's green table, and blue table
def _do_all_lsc(self, images: list) -> list:
output_list = []
output_map_func = lt.gradient.Linear().map
# List of colour temperatures
list_col = []
# Associated calibration tables
list_cr = []
list_cb = []
list_cgr = []
list_cgb = []
for image in self._enumerate_lsc_images(images):
col, cr, cb, cgr, cgb = self._do_single_lsc(image)
list_col.append(col)
list_cr.append(cr)
list_cb.append(cb)
list_cgr.append(cgr)
list_cgb.append(cgb)
# Convert to numpy array for data manipulation
list_col = np.array(list_col)
list_cr = np.array(list_cr)
list_cb = np.array(list_cb)
list_cgr = np.array(list_cgr)
list_cgb = np.array(list_cgb)
for color_temperature in sorted(set(list_col)):
# Average tables for the same colour temperature
indices = np.where(list_col == color_temperature)
color_temperature = int(color_temperature)
tables = []
for lis in [list_cr, list_cgr, list_cgb, list_cb]:
table = np.mean(lis[indices], axis=0)
table = output_map_func((1, 3.999), (1024, 4095), table)
table = np.round(table).astype('int32').tolist()
tables.append(table)
entry = {
'ct': color_temperature,
'r': tables[0],
'gr': tables[1],
'gb': tables[2],
'b': tables[3],
}
output_list.append(entry)
return output_list
def process(self, config: dict, images: list, outputs: dict) -> dict:
output = {}
# \todo This should actually come from self.sector_{x,y}_gradient
size_gradient = lt.gradient.Linear(lt.Remainder.Float)
output['x-size'] = size_gradient.distribute(0.5, 8)
output['y-size'] = size_gradient.distribute(0.5, 8)
output['sets'] = self._do_all_lsc(images)
# \todo Validate images from greyscale camera and force grescale mode
# \todo Debug functionality
return output