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libcamera: raspberrypi: Add ColourCorrectionMatrix control

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Implements, for the Raspberry Pi platform, the returning of the CCM
(Colour Correction Matrix) used by the pipeline in the libcamera
metadata.

Signed-off-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
David Plowman 2020-07-24 15:56:17 +01:00 • committed by Laurent Pinchart
parent f5b45c180e
commit 0bf1070ca8
2 changed files with 9 additions and 0 deletions
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1
include/libcamera/ipa/raspberrypi.h
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@ -56,6 +56,7 @@ static const ControlInfoMap RPiControls = {
{ &controls::Contrast, ControlInfo(0.0f, 32.0f) },
{ &controls::Saturation, ControlInfo(0.0f, 32.0f) },
{ &controls::Sharpness, ControlInfo(0.0f, 16.0f, 1.0f) },
{ &controls::ColourCorrectionMatrix, ControlInfo(-16.0f, 16.0f) },
};
} /* namespace libcamera */

8
src/ipa/raspberrypi/raspberrypi.cpp
View file

@ -438,6 +438,14 @@ void IPARPi::reportMetadata()
int32_t focusFoM = (focusStatus->focus_measures[5] + focusStatus->focus_measures[6]) / 2;
libcameraMetadata_.set(controls::FocusFoM, focusFoM);
}
CcmStatus *ccmStatus = rpiMetadata_.GetLocked<CcmStatus>("ccm.status");
if (ccmStatus) {
float m[9];
for (unsigned int i = 0; i < 9; i++)
m[i] = ccmStatus->matrix[i];
libcameraMetadata_.set(controls::ColourCorrectionMatrix, m);
}
}
/*