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/****************************************************************************
**
** Copyright (C) 2011 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 <QtGui>
#include <QAudioOutput>
#include <QAudioDeviceInfo>
#include <QAudioInput>
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"
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