libcamera/libcamera.git - libcamera official repository

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author	Milan Zamazal <mzamazal@redhat.com>	2024-09-02 17:42:06 +0200
committer	Laurent Pinchart <laurent.pinchart@ideasonboard.com>	2024-09-02 22:01:40 +0300
commit	d3aa432305d39c55fc9fe920b8c234d81f7aca07 (patch)
tree	9abc091ddb589f026144cbcd44dbb96832699f8b /package/gentoo
parent	fd7fc9cca5c10c39115d5efa4bb088e7a2c9b79c (diff)

libcamera: libcamera: Remove unused includes

The includes that are not used can be removed. Additionally, add some directly used includes not listed. Signed-off-by: Milan Zamazal <mzamazal@redhat.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

Diffstat (limited to 'package/gentoo')

0 files changed, 0 insertions, 0 deletions

/* SPDX-License-Identifier: BSD-2-Clause */ /* * Copyright (C) 2019, Raspberry Pi Ltd * * ccm.cpp - CCM (colour correction matrix) control algorithm */ #include <libcamera/base/log.h> #include "../awb_status.h" #include "../ccm_status.h" #include "../lux_status.h" #include "../metadata.h" #include "ccm.h" using namespace RPiController; using namespace libcamera; LOG_DEFINE_CATEGORY(RPiCcm) /* * This algorithm selects a CCM (Colour Correction Matrix) according to the * colour temperature estimated by AWB (interpolating between known matricies as * necessary). Additionally the amount of colour saturation can be controlled * both according to the current estimated lux level and according to a * saturation setting that is exposed to applications. */ #define NAME "rpi.ccm" Matrix::Matrix() { memset(m, 0, sizeof(m)); } Matrix::Matrix(double m0, double m1, double m2, double m3, double m4, double m5, double m6, double m7, double m8) { m[0][0] = m0, m[0][1] = m1, m[0][2] = m2, m[1][0] = m3, m[1][1] = m4, m[1][2] = m5, m[2][0] = m6, m[2][1] = m7, m[2][2] = m8; } int Matrix::read(const libcamera::YamlObject &params) { double *ptr = (double *)m; if (params.size() != 9) { LOG(RPiCcm, Error) << "Wrong number of values in CCM"; return -EINVAL; } for (const auto &param : params.asList()) { auto value = param.get<double>(); if (!value) return -EINVAL; *ptr++ = *value; } return 0; } Ccm::Ccm(Controller *controller) : CcmAlgorithm(controller), saturation_(1.0) {} char const *Ccm::name() const { return NAME; } int Ccm::read(const libcamera::YamlObject &params) { int ret; if (params.contains("saturation")) { ret = config_.saturation.read(params["saturation"]); if (ret) return ret; } for (auto &p : params["ccms"].asList()) { auto value = p["ct"].get<double>(); if (!value) return -EINVAL; CtCcm ctCcm; ctCcm.ct = *value; ret = ctCcm.ccm.read(p["ccm"]); if (ret) return ret; if (!config_.ccms.empty() && ctCcm.ct <= config_.ccms.back().ct) { LOG(RPiCcm, Error) << "CCM not in increasing colour temperature order"; return -EINVAL; } config_.ccms.push_back(std::move(ctCcm)); } if (config_.ccms.empty()) { LOG(RPiCcm, Error) << "No CCMs specified"; return -EINVAL; } return 0; } void Ccm::setSaturation(double saturation) { saturation_ = saturation; } void Ccm::initialise() { } template<typename T> static bool getLocked(Metadata *metadata, std::string const &tag, T &value) { T *ptr = metadata->getLocked<T>(tag); if (ptr == nullptr) return false; value = *ptr; return true; } Matrix calculateCcm(std::vector<CtCcm> const &ccms, double ct) { if (ct <= ccms.front().ct) return ccms.front().ccm; else if (ct >= ccms.back().ct) return ccms.back().ccm; else { int i = 0; for (; ct > ccms[i].ct; i++) ; double lambda = (ct - ccms[i - 1].ct) / (ccms[i].ct - ccms[i - 1].ct); return lambda * ccms[i].ccm + (1.0 - lambda) * ccms[i - 1].ccm; } } Matrix applySaturation(Matrix const &ccm, double saturation) { Matrix RGB2Y(0.299, 0.587, 0.114, -0.169, -0.331, 0.500, 0.500, -0.419, -0.081); Matrix Y2RGB(1.000, 0.000, 1.402, 1.000, -0.345, -0.714, 1.000, 1.771, 0.000); Matrix S(1, 0, 0, 0, saturation, 0, 0, 0, saturation); return Y2RGB * S * RGB2Y * ccm; } void Ccm::prepare(Metadata *imageMetadata) { bool awbOk = false, luxOk = false; struct AwbStatus awb = {}; awb.temperatureK = 4000; /* in case no metadata */ struct LuxStatus lux = {}; lux.lux = 400; /* in case no metadata */ { /* grab mutex just once to get everything */ std::lock_guard<Metadata> lock(*imageMetadata); awbOk = getLocked(imageMetadata, "awb.status", awb); luxOk = getLocked(imageMetadata, "lux.status", lux); } if (!awbOk) LOG(RPiCcm, Warning) << "no colour temperature found"; if (!luxOk) LOG(RPiCcm, Warning) << "no lux value found"; Matrix ccm = calculateCcm(config_.ccms, awb.temperatureK); double saturation = saturation_; struct CcmStatus ccmStatus; ccmStatus.saturation = saturation; if (!config_.saturation.empty()) saturation *= config_.saturation.eval( config_.saturation.domain().clip(lux.lux)); ccm = applySaturation(ccm, saturation); for (int j = 0; j < 3; j++) for (int i = 0; i < 3; i++) ccmStatus.matrix[j * 3 + i] = std::max(-8.0, std::min(7.9999, ccm.m[j][i])); LOG(RPiCcm, Debug) << "colour temperature " << awb.temperatureK << "K"; LOG(RPiCcm, Debug) << "CCM: " << ccmStatus.matrix[0] << " " << ccmStatus.matrix[1] << " " << ccmStatus.matrix[2] << " " << ccmStatus.matrix[3] << " " << ccmStatus.matrix[4] << " " << ccmStatus.matrix[5] << " " << ccmStatus.matrix[6] << " " << ccmStatus.matrix[7] << " " << ccmStatus.matrix[8]; imageMetadata->set("ccm.status", ccmStatus); } /* Register algorithm with the system. */ static Algorithm *create(Controller *controller) { return (Algorithm *)new Ccm(controller); ; } static RegisterAlgorithm reg(NAME, &create);


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