/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2019, Google Inc. * * main.cpp - cam - The libcamera swiss army knife */ #include <signal.h> #include <string.h> #include <QApplication> #include <QtDebug> #include <libcamera/camera_manager.h> #include "../cam/options.h" #include "../cam/stream_options.h" #include "main_window.h" void signalHandler([[maybe_unused]] int signal) { qInfo() << "Exiting"; qApp->quit(); } OptionsParser::Options parseOptions(int argc, char *argv[]) { StreamKeyValueParser streamKeyValue; 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(OptRenderer, OptionString, "Choose the renderer type {qt,gles} (default: qt)", "renderer", ArgumentRequired, "renderer"); parser.addOption(OptStream, &streamKeyValue, "Set configuration of a camera stream", "stream", 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); CameraManager *cm = new CameraManager(); ret = cm->start(); if (ret) { qInfo() << "Failed to start camera manager:" << strerror(-ret); return EXIT_FAILURE; } MainWindow *mainWindow = new MainWindow(cm, options); mainWindow->show(); ret = app.exec(); delete mainWindow; cm->stop(); delete cm; return ret; }