// Copyright (C) 2023 The Qt Company Ltd. // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause #include "widget.h" #include #include #include #include int main(int argc, char *argv[]) { QApplication a(argc, argv); const QAudioDevice inputDevice = QMediaDevices::defaultAudioInput(); if (inputDevice.isNull()) { QMessageBox::warning(nullptr, "audio", "There is no audio input device available."); return -1; } Widget w(inputDevice); w.resize(800, 600); w.show(); return a.exec(); }