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Tuning fails for raw images that don't have the channels ordered in
RGGB. In 19dc8c28f63c ("utils: tuning: libtuning: Implement the core of
libtuning") the channels of the image were reordered to RGGB
unconditionally in _read_image_dng(). That change was not applied to the
ctt_awb code, so that the channels were reordered twice. Fix by removing
the double ordering.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Tested-by: Isaac Scott <isaac.scott@ideasonboard.com>
Reviewed-by: Isaac Scott <isaac.scott@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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In the Image class the variable holding the color temperature is named
color instead of col which was used by the raspberry pi scripts. Rename
accordingly.
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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Fix imports to match new structure in the files copied from Raspberry
Pi. Add missing imports in macbeth.py. Add missing dependencies to
requirements.txt.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
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Copy ctt_{awb,ccm,colors,ransac} from the raspberrypi tuning scripts as
basis for the libcamera implementation. color.py was renamed to
ctt_colors.py to better express the origin.
The files were taken from commit 66479605baca ("utils: raspberrypi: ctt:
Improve the Macbeth Chart search reliability").
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Acked-by: Paul Elder <paul.elder@ideasonboard.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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