0db2c8dc75
Initial implementation of the Raspberry Pi (BCM2835) libcamera IPA and associated libraries. All code is licensed under the BSD-2-Clause terms. Copyright (c) 2019-2020 Raspberry Pi Trading Ltd. Signed-off-by: Naushir Patuck <naush@raspberrypi.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
110 lines
2.7 KiB
C++
110 lines
2.7 KiB
C++
/* SPDX-License-Identifier: BSD-2-Clause */
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/*
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* Copyright (C) 2019, Raspberry Pi (Trading) Limited
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*
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* controller.cpp - ISP controller
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*/
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#include "algorithm.hpp"
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#include "controller.hpp"
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#include <boost/property_tree/json_parser.hpp>
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#include <boost/property_tree/ptree.hpp>
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using namespace RPi;
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Controller::Controller()
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: switch_mode_called_(false) {}
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Controller::Controller(char const *json_filename)
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: switch_mode_called_(false)
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{
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Read(json_filename);
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Initialise();
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}
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Controller::~Controller() {}
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void Controller::Read(char const *filename)
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{
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RPI_LOG("Controller starting");
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boost::property_tree::ptree root;
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boost::property_tree::read_json(filename, root);
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for (auto const &key_and_value : root) {
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Algorithm *algo = CreateAlgorithm(key_and_value.first.c_str());
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if (algo) {
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algo->Read(key_and_value.second);
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algorithms_.push_back(AlgorithmPtr(algo));
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} else
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RPI_LOG("WARNING: No algorithm found for \""
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<< key_and_value.first << "\"");
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}
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RPI_LOG("Controller finished");
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}
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Algorithm *Controller::CreateAlgorithm(char const *name)
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{
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auto it = GetAlgorithms().find(std::string(name));
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return it != GetAlgorithms().end() ? (*it->second)(this) : nullptr;
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}
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void Controller::Initialise()
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{
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RPI_LOG("Controller starting");
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for (auto &algo : algorithms_)
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algo->Initialise();
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RPI_LOG("Controller finished");
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}
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void Controller::SwitchMode(CameraMode const &camera_mode)
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{
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RPI_LOG("Controller starting");
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for (auto &algo : algorithms_)
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algo->SwitchMode(camera_mode);
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switch_mode_called_ = true;
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RPI_LOG("Controller finished");
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}
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void Controller::Prepare(Metadata *image_metadata)
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{
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RPI_LOG("Controller::Prepare starting");
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assert(switch_mode_called_);
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for (auto &algo : algorithms_)
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if (!algo->IsPaused())
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algo->Prepare(image_metadata);
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RPI_LOG("Controller::Prepare finished");
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}
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void Controller::Process(StatisticsPtr stats, Metadata *image_metadata)
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{
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RPI_LOG("Controller::Process starting");
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assert(switch_mode_called_);
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for (auto &algo : algorithms_)
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if (!algo->IsPaused())
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algo->Process(stats, image_metadata);
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RPI_LOG("Controller::Process finished");
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}
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Metadata &Controller::GetGlobalMetadata()
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{
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return global_metadata_;
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}
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Algorithm *Controller::GetAlgorithm(std::string const &name) const
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{
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// The passed name must be the entire algorithm name, or must match the
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// last part of it with a period (.) just before.
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size_t name_len = name.length();
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for (auto &algo : algorithms_) {
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char const *algo_name = algo->Name();
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size_t algo_name_len = strlen(algo_name);
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if (algo_name_len >= name_len &&
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strcasecmp(name.c_str(),
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algo_name + algo_name_len - name_len) == 0 &&
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(name_len == algo_name_len ||
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algo_name[algo_name_len - name_len - 1] == '.'))
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return algo.get();
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}
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return nullptr;
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}
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