1 files changed, 0 insertions, 76 deletions
diff --git a/src/ipa/raspberrypi/controller/rpi/noise.cpp b/src/ipa/raspberrypi/controller/rpi/noise.cpp
deleted file mode 100644
index 63cad639..00000000
--- a/src/ipa/raspberrypi/controller/rpi/noise.cpp
+++ /dev/null
@@ -1,76 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * noise.cpp - Noise control algorithm
- */
-
-#include <math.h>
-
-#include <libcamera/base/log.h>
-
-#include "../device_status.h"
-#include "../noise_status.h"
-
-#include "noise.hpp"
-
-using namespace RPiController;
-using namespace libcamera;
-
-LOG_DEFINE_CATEGORY(RPiNoise)
-
-#define NAME "rpi.noise"
-
-Noise::Noise(Controller *controller)
-	: Algorithm(controller), mode_factor_(1.0)
-{
-}
-
-char const *Noise::Name() const
-{
-	return NAME;
-}
-
-void Noise::SwitchMode(CameraMode const &camera_mode,
-		       [[maybe_unused]] Metadata *metadata)
-{
-	// For example, we would expect a 2x2 binned mode to have a "noise
-	// factor" of sqrt(2x2) = 2. (can't be less than one, right?)
-	mode_factor_ = std::max(1.0, camera_mode.noise_factor);
-}
-
-void Noise::Read(boost::property_tree::ptree const &params)
-{
-	reference_constant_ = params.get<double>("reference_constant");
-	reference_slope_ = params.get<double>("reference_slope");
-}
-
-void Noise::Prepare(Metadata *image_metadata)
-{
-	struct DeviceStatus device_status;
-	device_status.analogue_gain = 1.0; // keep compiler calm
-	if (image_metadata->Get("device.status", device_status) == 0) {
-		// There is a slight question as to exactly how the noise
-		// profile, specifically the constant part of it, scales. For
-		// now we assume it all scales the same, and we'll revisit this
-		// if it proves substantially wrong.  NOTE: we may also want to
-		// make some adjustments based on the camera mode (such as
-		// binning), if we knew how to discover it...
-		double factor = sqrt(device_status.analogue_gain) / mode_factor_;
-		struct NoiseStatus status;
-		status.noise_constant = reference_constant_ * factor;
-		status.noise_slope = reference_slope_ * factor;
-		image_metadata->Set("noise.status", status);
-		LOG(RPiNoise, Debug)
-			<< "constant " << status.noise_constant
-			<< " slope " << status.noise_slope;
-	} else
-		LOG(RPiNoise, Warning) << " no metadata";
-}
-
-// Register algorithm with the system.
-static Algorithm *Create(Controller *controller)
-{
-	return new Noise(controller);
-}
-static RegisterAlgorithm reg(NAME, &Create);