1 files changed, 0 insertions, 85 deletions
diff --git a/src/ipa/raspberrypi/controller/rpi/sharpen.cpp b/src/ipa/raspberrypi/controller/rpi/sharpen.cpp
deleted file mode 100644
index 18825a43..00000000
--- a/src/ipa/raspberrypi/controller/rpi/sharpen.cpp
+++ /dev/null
@@ -1,85 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi (Trading) Limited
- *
- * sharpen.cpp - sharpening control algorithm
- */
-
-#include <math.h>
-
-#include <libcamera/base/log.h>
-
-#include "../sharpen_status.h"
-
-#include "sharpen.hpp"
-
-using namespace RPiController;
-using namespace libcamera;
-
-LOG_DEFINE_CATEGORY(RPiSharpen)
-
-#define NAME "rpi.sharpen"
-
-Sharpen::Sharpen(Controller *controller)
-	: SharpenAlgorithm(controller), user_strength_(1.0)
-{
-}
-
-char const *Sharpen::Name() const
-{
-	return NAME;
-}
-
-void Sharpen::SwitchMode(CameraMode const &camera_mode,
-			 [[maybe_unused]] Metadata *metadata)
-{
-	// can't be less than one, right?
-	mode_factor_ = std::max(1.0, camera_mode.noise_factor);
-}
-
-void Sharpen::Read(boost::property_tree::ptree const &params)
-{
-	threshold_ = params.get<double>("threshold", 1.0);
-	strength_ = params.get<double>("strength", 1.0);
-	limit_ = params.get<double>("limit", 1.0);
-	LOG(RPiSharpen, Debug)
-		<< "Read threshold " << threshold_
-		<< " strength " << strength_
-		<< " limit " << limit_;
-}
-
-void Sharpen::SetStrength(double strength)
-{
-	// Note that this function is how an application sets the overall
-	// sharpening "strength". We call this the "user strength" field
-	// as there already is a strength_ field - being an internal gain
-	// parameter that gets passed to the ISP control code. Negative
-	// values are not allowed - coerce them to zero (no sharpening).
-	user_strength_ = std::max(0.0, strength);
-}
-
-void Sharpen::Prepare(Metadata *image_metadata)
-{
-	// The user_strength_ affects the algorithm's internal gain directly, but
-	// we adjust the limit and threshold less aggressively. Using a sqrt
-	// function is an arbitrary but gentle way of accomplishing this.
-	double user_strength_sqrt = sqrt(user_strength_);
-	struct SharpenStatus status;
-	// Binned modes seem to need the sharpening toned down with this
-	// pipeline, thus we use the mode_factor here. Also avoid
-	// divide-by-zero with the user_strength_sqrt.
-	status.threshold = threshold_ * mode_factor_ /
-			   std::max(0.01, user_strength_sqrt);
-	status.strength = strength_ / mode_factor_ * user_strength_;
-	status.limit = limit_ / mode_factor_ * user_strength_sqrt;
-	// Finally, report any application-supplied parameters that were used.
-	status.user_strength = user_strength_;
-	image_metadata->Set("sharpen.status", status);
-}
-
-// Register algorithm with the system.
-static Algorithm *Create(Controller *controller)
-{
-	return new Sharpen(controller);
-}
-static RegisterAlgorithm reg(NAME, &Create);