/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2019, Google Inc. * * main.cpp - cam - The libcamera swiss army knife */ #include <iostream> #include <signal.h> #include <string.h> #include <QApplication> #include <libcamera/camera_manager.h> #include "main_window.h" #include "../cam/options.h" #include "qt_event_dispatcher.h" void signalHandler(int signal) { std::cout << "Exiting" << std::endl; qApp->quit(); } OptionsParser::Options parseOptions(int argc, char *argv[]) { KeyValueParser sizeParser; sizeParser.addOption("width", OptionInteger, "Width in pixels", ArgumentRequired); sizeParser.addOption("height", OptionInteger, "Height in pixels", ArgumentRequired); OptionsParser parser; parser.addOption(OptCamera, OptionString, "Specify which camera to operate on", "camera", ArgumentRequired, "camera"); parser.addOption(OptHelp, OptionNone, "Display this help message", "help"); parser.addOption(OptSize, &sizeParser, "Set the stream size", "size", true); OptionsParser::Options options = parser.parse(argc, argv); if (options.isSet(OptHelp)) parser.usage(); return options; } int main(int argc, char **argv) { QApplication app(argc, argv); int ret; OptionsParser::Options options = parseOptions(argc, argv); if (!options.valid()) return EXIT_FAILURE; if (options.isSet(OptHelp)) return 0; struct sigaction sa = {}; sa.sa_handler = &signalHandler; sigaction(SIGINT, &sa, nullptr); std::unique_ptr<EventDispatcher> dispatcher(new QtEventDispatcher()); CameraManager *cm = new CameraManager(); cm->setEventDispatcher(std::move(dispatcher)); ret = cm->start(); if (ret) { std::cout << "Failed to start camera manager: " << strerror(-ret) << std::endl; return EXIT_FAILURE; } MainWindow *mainWindow = new MainWindow(cm, options); mainWindow->show(); ret = app.exec(); delete mainWindow; cm->stop(); delete cm; return ret; }