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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples 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 <QAudioDeviceInfo>
#include "audiodevices.h"
AudioDevicesBase::AudioDevicesBase(QWidget *parent, Qt::WFlags f)
: QMainWindow(parent, f)
{
setupUi(this);
}
AudioDevicesBase::~AudioDevicesBase() {}
AudioTest::AudioTest(QWidget *parent, Qt::WFlags f)
: AudioDevicesBase(parent, f)
{
mode = QAudio::AudioOutput;
connect(testButton, SIGNAL(clicked()), SLOT(test()));
connect(modeBox, SIGNAL(activated(int)), SLOT(modeChanged(int)));
connect(deviceBox, SIGNAL(activated(int)), SLOT(deviceChanged(int)));
connect(frequencyBox, SIGNAL(activated(int)), SLOT(freqChanged(int)));
connect(channelsBox, SIGNAL(activated(int)), SLOT(channelChanged(int)));
connect(codecsBox, SIGNAL(activated(int)), SLOT(codecChanged(int)));
connect(sampleSizesBox, SIGNAL(activated(int)), SLOT(sampleSizeChanged(int)));
connect(sampleTypesBox, SIGNAL(activated(int)), SLOT(sampleTypeChanged(int)));
connect(endianBox, SIGNAL(activated(int)), SLOT(endianChanged(int)));
modeBox->setCurrentIndex(0);
modeChanged(0);
deviceBox->setCurrentIndex(0);
deviceChanged(0);
}
AudioTest::~AudioTest()
{
}
void AudioTest::test()
{
// tries to set all the settings picked.
logOutput->clear();
logOutput->append("NOTE: an invalid codec audio/test exists for testing, to get a fail condition.");
if (!deviceInfo.isNull()) {
if (deviceInfo.isFormatSupported(settings)) {
logOutput->append(tr("Success"));
nearestFreq->setText("");
nearestChannel->setText("");
nearestCodec->setText("");
nearestSampleSize->setText("");
nearestSampleType->setText("");
nearestEndian->setText("");
} else {
QAudioFormat nearest = deviceInfo.nearestFormat(settings);
logOutput->append(tr("Failed"));
nearestFreq->setText(QString("%1").arg(nearest.sampleRate()));
nearestChannel->setText(QString("%1").arg(nearest.channelCount()));
nearestCodec->setText(nearest.codec());
nearestSampleSize->setText(QString("%1").arg(nearest.sampleSize()));
switch(nearest.sampleType()) {
case QAudioFormat::SignedInt:
nearestSampleType->setText("SignedInt");
break;
case QAudioFormat::UnSignedInt:
nearestSampleType->setText("UnSignedInt");
break;
case QAudioFormat::Float:
nearestSampleType->setText("Float");
break;
case QAudioFormat::Unknown:
nearestSampleType->setText("Unknown");
}
switch(nearest.byteOrder()) {
case QAudioFormat::LittleEndian:
nearestEndian->setText("LittleEndian");
break;
case QAudioFormat::BigEndian:
nearestEndian->setText("BigEndian");
}
}
}
else
logOutput->append(tr("No Device"));
}
void AudioTest::modeChanged(int idx)
{
// mode has changed
if (idx == 0)
mode = QAudio::AudioInput;
else
mode = QAudio::AudioOutput;
deviceBox->clear();
foreach (const QAudioDeviceInfo &deviceInfo, QAudioDeviceInfo::availableDevices(mode))
deviceBox->addItem(deviceInfo.deviceName(), qVariantFromValue(deviceInfo));
}
void AudioTest::deviceChanged(int idx)
{
if (deviceBox->count() == 0)
return;
// device has changed
deviceInfo = deviceBox->itemData(idx).value<QAudioDeviceInfo>();
frequencyBox->clear();
QList<int> freqz = deviceInfo.supportedSampleRates();
for(int i = 0; i < freqz.size(); ++i)
frequencyBox->addItem(QString("%1").arg(freqz.at(i)));
if(freqz.size())
settings.setSampleRate(freqz.at(0));
channelsBox->clear();
QList<int> chz = deviceInfo.supportedChannelCounts();
for(int i = 0; i < chz.size(); ++i)
channelsBox->addItem(QString("%1").arg(chz.at(i)));
if(chz.size())
settings.setChannelCount(chz.at(0));
codecsBox->clear();
QStringList codecz = deviceInfo.supportedCodecs();
for (int i = 0; i < codecz.size(); ++i)
codecsBox->addItem(QString("%1").arg(codecz.at(i)));
if (codecz.size())
settings.setCodec(codecz.at(0));
// Add false to create failed condition!
codecsBox->addItem("audio/test");
sampleSizesBox->clear();
QList<int> sampleSizez = deviceInfo.supportedSampleSizes();
for (int i = 0; i < sampleSizez.size(); ++i)
sampleSizesBox->addItem(QString("%1").arg(sampleSizez.at(i)));
if (sampleSizez.size())
settings.setSampleSize(sampleSizez.at(0));
sampleTypesBox->clear();
QList<QAudioFormat::SampleType> sampleTypez = deviceInfo.supportedSampleTypes();
for (int i = 0; i < sampleTypez.size(); ++i) {
switch(sampleTypez.at(i)) {
case QAudioFormat::SignedInt:
sampleTypesBox->addItem("SignedInt");
break;
case QAudioFormat::UnSignedInt:
sampleTypesBox->addItem("UnSignedInt");
break;
case QAudioFormat::Float:
sampleTypesBox->addItem("Float");
break;
case QAudioFormat::Unknown:
sampleTypesBox->addItem("Unknown");
}
if (sampleTypez.size())
settings.setSampleType(sampleTypez.at(0));
}
endianBox->clear();
QList<QAudioFormat::Endian> endianz = deviceInfo.supportedByteOrders();
for (int i = 0; i < endianz.size(); ++i) {
switch (endianz.at(i)) {
case QAudioFormat::LittleEndian:
endianBox->addItem("Little Endian");
break;
case QAudioFormat::BigEndian:
endianBox->addItem("Big Endian");
break;
}
}
if (endianz.size())
settings.setByteOrder(endianz.at(0));
}
void AudioTest::freqChanged(int idx)
{
// freq has changed
settings.setSampleRate(frequencyBox->itemText(idx).toInt());
}
void AudioTest::channelChanged(int idx)
{
settings.setChannelCount(channelsBox->itemText(idx).toInt());
}
void AudioTest::codecChanged(int idx)
{
settings.setCodec(codecsBox->itemText(idx));
}
void AudioTest::sampleSizeChanged(int idx)
{
settings.setSampleSize(sampleSizesBox->itemText(idx).toInt());
}
void AudioTest::sampleTypeChanged(int idx)
{
switch (sampleTypesBox->itemText(idx).toInt()) {
case QAudioFormat::SignedInt:
settings.setSampleType(QAudioFormat::SignedInt);
break;
case QAudioFormat::UnSignedInt:
settings.setSampleType(QAudioFormat::UnSignedInt);
break;
case QAudioFormat::Float:
settings.setSampleType(QAudioFormat::Float);
}
}
void AudioTest::endianChanged(int idx)
{
switch (endianBox->itemText(idx).toInt()) {
case QAudioFormat::LittleEndian:
settings.setByteOrder(QAudioFormat::LittleEndian);
break;
case QAudioFormat::BigEndian:
settings.setByteOrder(QAudioFormat::BigEndian);
}
}
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