/**************************************************************************** ** ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the test suite of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** No Commercial Usage ** This file contains pre-release code and may not be distributed. ** You may use this file in accordance with the terms and conditions ** contained in the Technology Preview License Agreement accompanying ** this package. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 2.1 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 2.1 requirements ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Nokia gives you certain additional ** rights. These rights are described in the Nokia Qt LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** If you have questions regarding the use of this file, please contact ** Nokia at qt-info@nokia.com. ** ** ** ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include #include #include #include class Window2 : public QWidget { Q_OBJECT public slots: //![0] void stateChanged(QAudio::State newState) { switch(newState) { case QAudio::StopState: if (input->error() != QAudio::NoError) { // Error handling } else { } break; //![0] default: ; } } private: QAudioInput *input; }; class Window : public QWidget { Q_OBJECT public: Window() { output = new QAudioOutput; connect(output, SIGNAL(stateChanged(QAudio::State)), this, SLOT(stateChanged(QAudio::State))); } private: void setupFormat() { //![1] QAudioFormat format; format.setFrequency(44100); //![1] format.setChannels(2); format.setSampleSize(16); format.setCodec("audio/pcm"); format.setByteOrder(QAudioFormat::LittleEndian); //![2] format.setSampleType(QAudioFormat::SignedInt); QAudioDeviceInfo info(QAudioDeviceInfo::defaultOutputDevice()); if (!info.isFormatSupported(format)) format = info.nearestFormat(format); //![2] } public slots: //![3] void stateChanged(QAudio::State newState) { switch (newState) { case QAudio::StopState: if (output->error() != QAudio::NoError) { // Perform error handling } else { // Normal stop } break; //![3] // Handle case QAudio::ActiveState: // Handle active state... break; break; default: ; } } private: QAudioOutput *output; }; int main(int argv, char **args) { QApplication app(argv, args); Window window; window.show(); return app.exec(); } #include "main.moc"