From 79aa7ecd1ac90545885d4d9d2a7111e37f8e7f2f Mon Sep 17 00:00:00 2001 From: Stefan Klug Date: Mon, 26 Aug 2024 15:10:40 +0200 Subject: ipa: rkisp1: Remove MatrixInterpolator The MatrixInterpolator is no longer used. Remove it. Signed-off-by: Stefan Klug Reviewed-by: Kieran Bingham Reviewed-by: Paul Elder --- src/ipa/libipa/matrix_interpolator.cpp | 103 ---------------------------- src/ipa/libipa/matrix_interpolator.h | 120 --------------------------------- src/ipa/libipa/meson.build | 2 - 3 files changed, 225 deletions(-) delete mode 100644 src/ipa/libipa/matrix_interpolator.cpp delete mode 100644 src/ipa/libipa/matrix_interpolator.h (limited to 'src/ipa/libipa') diff --git a/src/ipa/libipa/matrix_interpolator.cpp b/src/ipa/libipa/matrix_interpolator.cpp deleted file mode 100644 index d5188f8a..00000000 --- a/src/ipa/libipa/matrix_interpolator.cpp +++ /dev/null @@ -1,103 +0,0 @@ -/* SPDX-License-Identifier: LGPL-2.1-or-later */ -/* - * Copyright (C) 2024, Paul Elder - * - * Helper class for interpolating maps of matrices - */ -#include "matrix_interpolator.h" - -#include - -/** - * \file matrix_interpolator.h - * \brief Helper class for interpolating maps of matrices - */ - -namespace libcamera { - -LOG_DEFINE_CATEGORY(MatrixInterpolator) - -namespace ipa { - -/** - * \class MatrixInterpolator - * \brief Class for storing, retrieving, and interpolating matrices - * \tparam T Type of numerical values to be stored in the matrices - * \tparam R Number of rows in the matrices - * \tparam C Number of columns in the matrices - * - * The main use case is to pass a map from color temperatures to corresponding - * matrices (eg. color correction), and then requesting a matrix for a specific - * color temperature. This class will abstract away the interpolation portion. - */ - -/** - * \fn MatrixInterpolator::MatrixInterpolator(const std::map> &matrices) - * \brief Construct a matrix interpolator from a map of matrices - * \param matrices Map from which to construct the matrix interpolator - */ - -/** - * \fn MatrixInterpolator::reset() - * \brief Reset the matrix interpolator content to a single identity matrix - */ - -/** - * \fn int MatrixInterpolator::readYaml() - * \brief Initialize an MatrixInterpolator instance from yaml - * \tparam T Type of data stored in the matrices - * \tparam R Number of rows of the matrices - * \tparam C Number of columns of the matrices - * \param[in] yaml The yaml object that contains the map of unsigned integers to matrices - * \param[in] key_name The name of the key in the yaml object - * \param[in] matrix_name The name of the matrix in the yaml object - * - * The yaml object is expected to be a list of maps. Each map has two or more - * pairs: one of \a key_name to the key value (usually color temperature), and - * one or more of \a matrix_name to the matrix. This is a bit difficult to - * explain, so here is an example (in python, as it is easier to parse than - * yaml): - * [ - * { - * 'ct': 2860, - * 'ccm': [ 2.12089, -0.52461, -0.59629, - * -0.85342, 2.80445, -0.95103, - * -0.26897, -1.14788, 2.41685 ], - * 'offsets': [ 0, 0, 0 ] - * }, - * - * { - * 'ct': 2960, - * 'ccm': [ 2.26962, -0.54174, -0.72789, - * -0.77008, 2.60271, -0.83262, - * -0.26036, -1.51254, 2.77289 ], - * 'offsets': [ 0, 0, 0 ] - * }, - * - * { - * 'ct': 3603, - * 'ccm': [ 2.18644, -0.66148, -0.52496, - * -0.77828, 2.69474, -0.91645, - * -0.25239, -0.83059, 2.08298 ], - * 'offsets': [ 0, 0, 0 ] - * }, - * ] - * - * In this case, \a key_name would be 'ct', and \a matrix_name can be either - * 'ccm' or 'offsets'. This way multiple matrix interpolators can be defined in - * one set of color temperature ranges in the tuning file, and they can be - * retrieved separately with the \a matrix_name parameter. - * - * \return Zero on success, negative error code otherwise - */ - -/** - * \fn Matrix MatrixInterpolator::get(unsigned int key) - * \brief Retrieve a matrix from the list of matrices, interpolating if necessary - * \param[in] key The unsigned integer key of the matrix to retrieve - * \return The matrix corresponding to the color temperature - */ - -} /* namespace ipa */ - -} /* namespace libcamera */ 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 - * - * Helper class for interpolating maps of matrices - */ - -#pragma once - -#include -#include - -#include - -#include "libcamera/internal/yaml_parser.h" - -#include "matrix.h" - -namespace libcamera { - -LOG_DECLARE_CATEGORY(MatrixInterpolator) - -namespace ipa { - -#ifndef __DOXYGEN__ -template> * = nullptr> -#else -template -#endif /* __DOXYGEN__ */ -class MatrixInterpolator -{ -public: - MatrixInterpolator() - { - reset(); - } - - MatrixInterpolator(const std::map> &matrices) - { - for (const auto &pair : matrices) - matrices_[pair.first] = pair.second; - } - - ~MatrixInterpolator() {} - - void reset() - { - matrices_.clear(); - matrices_[0] = Matrix::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::optional> matrix = - value[matrix_name].get>(); - 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 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(ctUpper - ctLower); - Matrix ret = - lambda * matrices_[ctUpper] + (1.0 - lambda) * matrices_[ctLower]; - return ret; - } - -private: - std::map> matrices_; -}; - -} /* namespace ipa */ - -} /* namespace libcamera */ diff --git a/src/ipa/libipa/meson.build b/src/ipa/libipa/meson.build index 2c2712a7..3740178b 100644 --- a/src/ipa/libipa/meson.build +++ b/src/ipa/libipa/meson.build @@ -9,7 +9,6 @@ libipa_headers = files([ 'histogram.h', 'interpolator.h', 'matrix.h', - 'matrix_interpolator.h', 'module.h', 'pwl.h', 'vector.h', @@ -24,7 +23,6 @@ libipa_sources = files([ 'histogram.cpp', 'interpolator.cpp', 'matrix.cpp', - 'matrix_interpolator.cpp', 'module.cpp', 'pwl.cpp', 'vector.cpp', -- cgit v1.2.1