ipa: rkisp1: Remove MatrixInterpolator

The MatrixInterpolator is no longer used. Remove it.

Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>

1 files changed, 0 insertions, 120 deletions

diff --git a/src/ipa/libipa/matrix_interpolator.h b/src/ipa/libipa/matrix_interpolator.h
deleted file mode 100644
index afbce538..00000000
--- a/src/ipa/libipa/matrix_interpolator.h
+++ /dev/null
@@ -1,120 +0,0 @@
-/* SPDX-License-Identifier: LGPL-2.1-or-later */
-/*
- * Copyright (C) 2024, Paul Elder <paul.elder@ideasonboard.com>
- *
- * Helper class for interpolating maps of matrices
- */
-
-#pragma once
-
-#include <map>
-#include <string>
-
-#include <libcamera/base/log.h>
-
-#include "libcamera/internal/yaml_parser.h"
-
-#include "matrix.h"
-
-namespace libcamera {
-
-LOG_DECLARE_CATEGORY(MatrixInterpolator)
-
-namespace ipa {
-
-#ifndef __DOXYGEN__
-template<typename T, unsigned int R, unsigned int C,
-	 std::enable_if_t<std::is_arithmetic_v<T>> * = nullptr>
-#else
-template<typename T, unsigned int R, unsigned int C>
-#endif /* __DOXYGEN__ */
-class MatrixInterpolator
-{
-public:
-	MatrixInterpolator()
-	{
-		reset();
-	}
-
-	MatrixInterpolator(const std::map<unsigned int, Matrix<T, R, C>> &matrices)
-	{
-		for (const auto &pair : matrices)
-			matrices_[pair.first] = pair.second;
-	}
-
-	~MatrixInterpolator() {}
-
-	void reset()
-	{
-		matrices_.clear();
-		matrices_[0] = Matrix<T, R, C>::identity();
-	}
-
-	int readYaml(const libcamera::YamlObject &yaml,
-		     const std::string &key_name,
-		     const std::string &matrix_name)
-	{
-		matrices_.clear();
-
-		if (!yaml.isList()) {
-			LOG(MatrixInterpolator, Error) << "yaml object must be a list";
-			return -EINVAL;
-		}
-
-		for (const auto &value : yaml.asList()) {
-			unsigned int ct = std::stoul(value[key_name].get<std::string>(""));
-			std::optional<Matrix<T, R, C>> matrix =
-				value[matrix_name].get<Matrix<T, R, C>>();
-			if (!matrix) {
-				LOG(MatrixInterpolator, Error) << "Failed to read matrix";
-				return -EINVAL;
-			}
-
-			matrices_[ct] = *matrix;
-
-			LOG(MatrixInterpolator, Debug)
-				<< "Read matrix '" << matrix_name << "' for key '"
-				<< key_name << "' " << ct << ": "
-				<< matrices_[ct].toString();
-		}
-
-		if (matrices_.size() < 1) {
-			LOG(MatrixInterpolator, Error) << "Need at least one matrix";
-			return -EINVAL;
-		}
-
-		return 0;
-	}
-
-	Matrix<T, R, C> get(unsigned int ct)
-	{
-		ASSERT(matrices_.size() > 0);
-
-		if (matrices_.size() == 1 ||
-		    ct <= matrices_.begin()->first)
-			return matrices_.begin()->second;
-
-		if (ct >= matrices_.rbegin()->first)
-			return matrices_.rbegin()->second;
-
-		if (matrices_.find(ct) != matrices_.end())
-			return matrices_[ct];
-
-		/* The above four guarantee that this will succeed */
-		auto iter = matrices_.upper_bound(ct);
-		unsigned int ctUpper = iter->first;
-		unsigned int ctLower = (--iter)->first;
-
-		double lambda = (ct - ctLower) / static_cast<double>(ctUpper - ctLower);
-		Matrix<T, R, C> ret =
-			lambda * matrices_[ctUpper] + (1.0 - lambda) * matrices_[ctLower];
-		return ret;
-	}
-
-private:
-	std::map<unsigned int, Matrix<T, R, C>> matrices_;
-};
-
-} /* namespace ipa */
-
-} /* namespace libcamera */