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Add a lux algorithm module to rkisp1 IPA for estimating the lux level of
an image. This is reported in metadata, as well as saved in the frame
context so that other algorithms (mainly AGC) can use its value. It does
not set any controls.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Isaac Scott <isaac.scott@ideasonboard.com>
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There are many use-cases (tuning-validation, working in static
environments) where a manual ColourTemperature control is helpful.
Implement that by interpolating and applying the white balance gains
from the tuning file according to the requested colour temperature. If
colour gains are provided on the same request, they take precedence.
Store the colour temperature used for a given frame in the frame context
and report that in metadata.
Note that in the automatic case, the colour gains are still based on the
gray world model and the CT curve from the tuning file get ignored.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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For the implementation of a manual colour temperature setting, it is
necessary to read predefined colour gains per colour temperature from
the tuning file. Implement this in a backwards compatible way. If no
gains are contained in the tuning file, loading just continues as
before.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The rkisp1 IPA has some utility functions to convert between fixed
and floating point numbers. Move those to libipa so they're available
for use in other IPA modules too.
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Use the Matrix class from libcamera/internal in the rkisp IPA
int MediaDeviceTest::init()
{
enumerator_ = unique_ptr<DeviceEnumerator>(DeviceEnumerator::create());
if (!enumerator_) {
cerr << "Failed to create device enumerator" << endl;
return TestFail;
}
if (enumerator_->enumerate()) {
cerr << "Failed to enumerate media devices" << endl;
return TestFail;
}
DeviceMatch dm("vimc");
media_ = enumerator_->search(dm);
if (!media_) {
cerr << "No VIMC media device found: skip test" << endl;
return TestSkip;
}
return TestPass;
}
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