c1597f9896
The Raspberry Pi IPA module depends on boost only to parse the JSON tuning data files. As libcamera depends on libyaml, use the YamlParser class to parse those files and drop the dependency on boost. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Tested-by: Naushir Patuck <naush@raspberrypi.com> Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
75 lines
1.7 KiB
C++
75 lines
1.7 KiB
C++
/* SPDX-License-Identifier: BSD-2-Clause */
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/*
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* Copyright (C) 2019, Raspberry Pi Ltd
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*
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* ccm.h - CCM (colour correction matrix) control algorithm
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*/
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#pragma once
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#include <vector>
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#include "../ccm_algorithm.h"
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#include "../pwl.h"
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namespace RPiController {
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/* Algorithm to calculate colour matrix. Should be placed after AWB. */
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struct Matrix {
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Matrix(double m0, double m1, double m2, double m3, double m4, double m5,
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double m6, double m7, double m8);
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Matrix();
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double m[3][3];
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int read(const libcamera::YamlObject ¶ms);
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};
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static inline Matrix operator*(double d, Matrix const &m)
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{
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return Matrix(m.m[0][0] * d, m.m[0][1] * d, m.m[0][2] * d,
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m.m[1][0] * d, m.m[1][1] * d, m.m[1][2] * d,
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m.m[2][0] * d, m.m[2][1] * d, m.m[2][2] * d);
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}
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static inline Matrix operator*(Matrix const &m1, Matrix const &m2)
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{
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Matrix m;
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for (int i = 0; i < 3; i++)
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for (int j = 0; j < 3; j++)
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m.m[i][j] = m1.m[i][0] * m2.m[0][j] +
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m1.m[i][1] * m2.m[1][j] +
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m1.m[i][2] * m2.m[2][j];
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return m;
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}
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static inline Matrix operator+(Matrix const &m1, Matrix const &m2)
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{
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Matrix m;
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for (int i = 0; i < 3; i++)
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for (int j = 0; j < 3; j++)
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m.m[i][j] = m1.m[i][j] + m2.m[i][j];
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return m;
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}
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struct CtCcm {
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double ct;
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Matrix ccm;
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};
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struct CcmConfig {
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std::vector<CtCcm> ccms;
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Pwl saturation;
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};
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class Ccm : public CcmAlgorithm
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{
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public:
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Ccm(Controller *controller = NULL);
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char const *name() const override;
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int read(const libcamera::YamlObject ¶ms) override;
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void setSaturation(double saturation) override;
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void initialise() override;
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void prepare(Metadata *imageMetadata) override;
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private:
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CcmConfig config_;
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double saturation_;
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};
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} /* namespace RPiController */
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