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authorMilan Zamazal <mzamazal@redhat.com>2024-05-31 14:38:37 +0200
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2024-06-02 01:47:40 +0300
commit4e13c6f55bd667b39986d91ae06ed67ae5dabe68 (patch)
tree231806e22b1a609740ae7960b739d1ed2bb8952f /Documentation/sensor_model.svg
parent738bd37905060a9f1b493edb9265574b9d585be1 (diff)
libcamera: software_isp: Honor black level in AWB
The white balance computation didn't consider black level. This is wrong because then the computed ratios are off when they are computed from the whole brightness range rather than the sensor range. This patch adjusts white balance computation for the black level. There is no need to change white balance application in debayering as this is already applied after black level correction. Exposure computation already subtracts black level, no changes are needed there. Signed-off-by: Milan Zamazal <mzamazal@redhat.com> Reviewed-by: Andrei Konovalov <andrey.konovalov.ynk@gmail.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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