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The current LSC algorithm for the rkisp1 just forwards the LSC tables to
the hardware, so absolute factors are needed and not ratios compared to
green. Therefore every channel needs to be calculated independently.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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Add a static module class, that can be used to add static data to the
tuning file. This is propably not the best solution, but allows us to
progress without writing lots of dummy classes for static cases.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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Make it clear that no lsc calibration was done by returning None instead
of a incomplete configuration.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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Implement a minimal ccm calibration module. For now it doesn't take the
results from lsc into account and supports rkisp1 only.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
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Based on the input images, the lsc values could exceed the range allowed
by the rkisp1. As we are now clipping the values, we can simplify the
value mapping.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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In ctt_ccm.py the logging functionality of the Cam object was used. As
we don't want to port over that class, it needs to be replaced anyways.
While at it, also replace the eprint function as it doesn't add any
value over the logging framework and misses the ability for easy log
formatting.
For nice output formatting add the coloredlogs library.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
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Add a skeletal AGC module just so that we can have some AGC tuning
values that we can use to test during development of AGC in the IPAs. As
rkisp1 is the main target, we only add support for rkisp1 for now.
The parameters are mostly copied from the hardcoded values in ctt,
except for the metering modes.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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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>
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Add an LSC module for RkISP1.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add an ALSC module for Raspberry Pi.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add a base LSC module to libtuning's collection of modules. It is based
on raspberrypi's ctt's ALSC, but customizable for different lens shading
table sizes, among other things. It alone is insufficient as a module,
but it provides utilities that are useful for and which will simplify
implementing LSC modules.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Implement the extensible components of libtuning. This includes:
- Parsers, for supporting different types of input config file formats
- Generators, for supporting different types of output tuning file
formats
- Modules, for supporting different tuning modules for different
algorithms and platforms
No parsers, generators, or modules are actually implemented. Only the
base classes are implemented.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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