/* SPDX-License-Identifier: BSD-2-Clause */ /* * Copyright (C) 2019, Raspberry Pi (Trading) Limited * * controller.cpp - ISP controller */ #include "libcamera/internal/log.h" #include "algorithm.hpp" #include "controller.hpp" #include <boost/property_tree/json_parser.hpp> #include <boost/property_tree/ptree.hpp> using namespace RPiController; using namespace libcamera; LOG_DEFINE_CATEGORY(RPiController) Controller::Controller() : switch_mode_called_(false) {} Controller::Controller(char const *json_filename) : switch_mode_called_(false) { Read(json_filename); Initialise(); } Controller::~Controller() {} void Controller::Read(char const *filename) { boost::property_tree::ptree root; boost::property_tree::read_json(filename, root); for (auto const &key_and_value : root) { Algorithm *algo = CreateAlgorithm(key_and_value.first.c_str()); if (algo) { algo->Read(key_and_value.second); algorithms_.push_back(AlgorithmPtr(algo)); } else LOG(RPiController, Warning) << "No algorithm found for \"" << key_and_value.first << "\""; } } Algorithm *Controller::CreateAlgorithm(char const *name) { auto it = GetAlgorithms().find(std::string(name)); return it != GetAlgorithms().end() ? (*it->second)(this) : nullptr; } void Controller::Initialise() { for (auto &algo : algorithms_) algo->Initialise(); } void Controller::SwitchMode(CameraMode const &camera_mode, Metadata *metadata) { for (auto &algo : algorithms_) algo->SwitchMode(camera_mode, metadata); switch_mode_called_ = true; } void Controller::Prepare(Metadata *image_metadata) { assert(switch_mode_called_); for (auto &algo : algorithms_) if (!algo->IsPaused()) algo->Prepare(image_metadata); } void Controller::Process(StatisticsPtr stats, Metadata *image_metadata) { assert(switch_mode_called_); for (auto &algo : algorithms_) if (!algo->IsPaused()) algo->Process(stats, image_metadata); } Metadata &Controller::GetGlobalMetadata() { return global_metadata_; } Algorithm *Controller::GetAlgorithm(std::string const &name) const { // The passed name must be the entire algorithm name, or must match the // last part of it with a period (.) just before. size_t name_len = name.length(); for (auto &algo : algorithms_) { char const *algo_name = algo->Name(); size_t algo_name_len = strlen(algo_name); if (algo_name_len >= name_len && strcasecmp(name.c_str(), algo_name + algo_name_len - name_len) == 0 && (name_len == algo_name_len || algo_name[algo_name_len - name_len - 1] == '.')) return algo.get(); } return nullptr; }