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-rw-r--r--src/ipa/raspberrypi/controller/lux_status.h23
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diff --git a/src/ipa/raspberrypi/controller/lux_status.h b/src/ipa/raspberrypi/controller/lux_status.h
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--- a/src/ipa/raspberrypi/controller/lux_status.h
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-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi Ltd
- *
- * lux_status.h - Lux control algorithm status
- */
-#pragma once
-
-/*
- * The "lux" algorithm looks at the (AGC) histogram statistics of the frame and
- * estimates the current lux level of the scene. It does this by a simple ratio
- * calculation comparing to a reference image that was taken in known conditions
- * with known statistics and a properly measured lux level. There is a slight
- * problem with aperture, in that it may be variable without the system knowing
- * or being aware of it. In this case an external application may set a
- * "current_aperture" value if it wishes, which would be used in place of the
- * (presumably meaningless) value in the image metadata.
- */
-
-struct LuxStatus {
- double lux;
- double aperture;
-};