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-rw-r--r--src/ipa/raspberrypi/controller/rpi/sharpen.cpp92
1 files changed, 0 insertions, 92 deletions
diff --git a/src/ipa/raspberrypi/controller/rpi/sharpen.cpp b/src/ipa/raspberrypi/controller/rpi/sharpen.cpp
deleted file mode 100644
index 4f6f020a..00000000
--- a/src/ipa/raspberrypi/controller/rpi/sharpen.cpp
+++ /dev/null
@@ -1,92 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Copyright (C) 2019, Raspberry Pi Ltd
- *
- * sharpen.cpp - sharpening control algorithm
- */
-
-#include <math.h>
-
-#include <libcamera/base/log.h>
-
-#include "../sharpen_status.h"
-
-#include "sharpen.h"
-
-using namespace RPiController;
-using namespace libcamera;
-
-LOG_DEFINE_CATEGORY(RPiSharpen)
-
-#define NAME "rpi.sharpen"
-
-Sharpen::Sharpen(Controller *controller)
- : SharpenAlgorithm(controller), userStrength_(1.0)
-{
-}
-
-char const *Sharpen::name() const
-{
- return NAME;
-}
-
-void Sharpen::switchMode(CameraMode const &cameraMode,
- [[maybe_unused]] Metadata *metadata)
-{
- /* can't be less than one, right? */
- modeFactor_ = std::max(1.0, cameraMode.noiseFactor);
-}
-
-int Sharpen::read(const libcamera::YamlObject &params)
-{
- threshold_ = params["threshold"].get<double>(1.0);
- strength_ = params["strength"].get<double>(1.0);
- limit_ = params["limit"].get<double>(1.0);
- LOG(RPiSharpen, Debug)
- << "Read threshold " << threshold_
- << " strength " << strength_
- << " limit " << limit_;
- return 0;
-}
-
-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).
- */
- userStrength_ = std::max(0.0, strength);
-}
-
-void Sharpen::prepare(Metadata *imageMetadata)
-{
- /*
- * The userStrength_ 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 userStrengthSqrt = sqrt(userStrength_);
- struct SharpenStatus status;
- /*
- * Binned modes seem to need the sharpening toned down with this
- * pipeline, thus we use the modeFactor_ here. Also avoid
- * divide-by-zero with the userStrengthSqrt.
- */
- status.threshold = threshold_ * modeFactor_ /
- std::max(0.01, userStrengthSqrt);
- status.strength = strength_ / modeFactor_ * userStrength_;
- status.limit = limit_ / modeFactor_ * userStrengthSqrt;
- /* Finally, report any application-supplied parameters that were used. */
- status.userStrength = userStrength_;
- imageMetadata->set("sharpen.status", status);
-}
-
-/* Register algorithm with the system. */
-static Algorithm *create(Controller *controller)
-{
- return new Sharpen(controller);
-}
-static RegisterAlgorithm reg(NAME, &create);