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authorNaushir Patuck <naush@raspberrypi.com>2020-05-03 16:48:42 +0100
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2020-05-11 23:54:40 +0300
commit0db2c8dc75e466e7648dc1b95380495c6a126349 (patch)
treefc723a251981ded749c900947a2f510ed56e60da /src/ipa/raspberrypi/controller/rpi/noise.hpp
parent740fd1b62f670bd1ad4965ef0866ef5d51bdf947 (diff)
libcamera: ipa: Raspberry Pi IPA
Initial implementation of the Raspberry Pi (BCM2835) libcamera IPA and associated libraries. All code is licensed under the BSD-2-Clause terms. Copyright (c) 2019-2020 Raspberry Pi Trading Ltd. Signed-off-by: Naushir Patuck <naush@raspberrypi.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi (Trading) Limited
+ *
+ * noise.hpp - Noise control algorithm
+ */
+#pragma once
+
+#include "../algorithm.hpp"
+#include "../noise_status.h"
+
+// This is our implementation of the "noise algorithm".
+
+namespace RPi {
+
+class Noise : public Algorithm
+{
+public:
+ Noise(Controller *controller);
+ char const *Name() const override;
+ void SwitchMode(CameraMode const &camera_mode) override;
+ void Read(boost::property_tree::ptree const &params) override;
+ void Prepare(Metadata *image_metadata) override;
+
+private:
+ // the noise profile for analogue gain of 1.0
+ double reference_constant_;
+ double reference_slope_;
+ std::atomic<double> mode_factor_;
+};
+
+} // namespace RPi