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<h1 class="title">audiodevices.cpp Example File</h1>
<span class="small-subtitle">multimedia/audiodevices/audiodevices.cpp</span>
<!-- $$$multimedia/audiodevices/audiodevices.cpp-description -->
<div class="descr"> <a name="details"></a>
<pre class="cpp"> <span class="comment">/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/</span>
<span class="preprocessor">#include <QAudioDeviceInfo></span>
<span class="preprocessor">#include "audiodevices.h"</span>
<span class="comment">// Utility functions for converting QAudioFormat fields into text</span>
<span class="type"><a href="qstring.html">QString</a></span> toString(<span class="type"><a href="qaudioformat.html">QAudioFormat</a></span><span class="operator">::</span>SampleType sampleType)
{
<span class="type"><a href="qstring.html">QString</a></span> result;
<span class="keyword">switch</span> (sampleType) {
<span class="keyword">case</span> <span class="type"><a href="qaudioformat.html">QAudioFormat</a></span><span class="operator">::</span>SignedInt:
result <span class="operator">=</span> <span class="string">"SignedInt"</span>;
<span class="keyword">break</span>;
<span class="keyword">case</span> <span class="type"><a href="qaudioformat.html">QAudioFormat</a></span><span class="operator">::</span>UnSignedInt:
result <span class="operator">=</span> <span class="string">"UnSignedInt"</span>;
<span class="keyword">break</span>;
<span class="keyword">case</span> <span class="type"><a href="qaudioformat.html">QAudioFormat</a></span><span class="operator">::</span>Float:
result <span class="operator">=</span> <span class="string">"Float"</span>;
<span class="keyword">break</span>;
<span class="keyword">default</span>:
<span class="keyword">case</span> <span class="type"><a href="qaudioformat.html">QAudioFormat</a></span><span class="operator">::</span>Unknown:
result <span class="operator">=</span> <span class="string">"Unknown"</span>;
<span class="keyword">break</span>;
}
<span class="keyword">return</span> result;
}
<span class="type"><a href="qstring.html">QString</a></span> toString(<span class="type"><a href="qaudioformat.html">QAudioFormat</a></span><span class="operator">::</span>Endian endian)
{
<span class="type"><a href="qstring.html">QString</a></span> result(<span class="string">"Unknown"</span>);
<span class="keyword">switch</span> (endian) {
<span class="keyword">case</span> <span class="type"><a href="qaudioformat.html">QAudioFormat</a></span><span class="operator">::</span>LittleEndian:
result <span class="operator">=</span> <span class="string">"LittleEndian"</span>;
<span class="keyword">break</span>;
<span class="keyword">case</span> <span class="type"><a href="qaudioformat.html">QAudioFormat</a></span><span class="operator">::</span>BigEndian:
result <span class="operator">=</span> <span class="string">"BigEndian"</span>;
<span class="keyword">break</span>;
}
<span class="keyword">return</span> result;
}
AudioDevicesBase<span class="operator">::</span>AudioDevicesBase(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>WFlags f)
: <span class="type"><a href="qmainwindow.html">QMainWindow</a></span>(parent<span class="operator">,</span> f)
{
setupUi(<span class="keyword">this</span>);
}
AudioDevicesBase<span class="operator">::</span><span class="operator">~</span>AudioDevicesBase() {}
AudioTest<span class="operator">::</span>AudioTest(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>parent<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>WFlags f)
: AudioDevicesBase(parent<span class="operator">,</span> f)
{
mode <span class="operator">=</span> <span class="type"><a href="qaudio.html">QAudio</a></span><span class="operator">::</span>AudioOutput;
connect(testButton<span class="operator">,</span> SIGNAL(clicked())<span class="operator">,</span> SLOT(test()));
connect(modeBox<span class="operator">,</span> SIGNAL(activated(<span class="type">int</span>))<span class="operator">,</span> SLOT(modeChanged(<span class="type">int</span>)));
connect(deviceBox<span class="operator">,</span> SIGNAL(activated(<span class="type">int</span>))<span class="operator">,</span> SLOT(deviceChanged(<span class="type">int</span>)));
connect(frequencyBox<span class="operator">,</span> SIGNAL(activated(<span class="type">int</span>))<span class="operator">,</span> SLOT(freqChanged(<span class="type">int</span>)));
connect(channelsBox<span class="operator">,</span> SIGNAL(activated(<span class="type">int</span>))<span class="operator">,</span> SLOT(channelChanged(<span class="type">int</span>)));
connect(codecsBox<span class="operator">,</span> SIGNAL(activated(<span class="type">int</span>))<span class="operator">,</span> SLOT(codecChanged(<span class="type">int</span>)));
connect(sampleSizesBox<span class="operator">,</span> SIGNAL(activated(<span class="type">int</span>))<span class="operator">,</span> SLOT(sampleSizeChanged(<span class="type">int</span>)));
connect(sampleTypesBox<span class="operator">,</span> SIGNAL(activated(<span class="type">int</span>))<span class="operator">,</span> SLOT(sampleTypeChanged(<span class="type">int</span>)));
connect(endianBox<span class="operator">,</span> SIGNAL(activated(<span class="type">int</span>))<span class="operator">,</span> SLOT(endianChanged(<span class="type">int</span>)));
connect(populateTableButton<span class="operator">,</span> SIGNAL(clicked())<span class="operator">,</span> SLOT(populateTable()));
modeBox<span class="operator">-</span><span class="operator">></span>setCurrentIndex(<span class="number">0</span>);
modeChanged(<span class="number">0</span>);
deviceBox<span class="operator">-</span><span class="operator">></span>setCurrentIndex(<span class="number">0</span>);
deviceChanged(<span class="number">0</span>);
}
AudioTest<span class="operator">::</span><span class="operator">~</span>AudioTest()
{
}
<span class="type">void</span> AudioTest<span class="operator">::</span>test()
{
<span class="comment">// tries to set all the settings picked.</span>
testResult<span class="operator">-</span><span class="operator">></span>clear();
<span class="keyword">if</span> (<span class="operator">!</span>deviceInfo<span class="operator">.</span>isNull()) {
<span class="keyword">if</span> (deviceInfo<span class="operator">.</span>isFormatSupported(settings)) {
testResult<span class="operator">-</span><span class="operator">></span>setText(tr(<span class="string">"Success"</span>));
nearestFreq<span class="operator">-</span><span class="operator">></span>setText(<span class="string">""</span>);
nearestChannel<span class="operator">-</span><span class="operator">></span>setText(<span class="string">""</span>);
nearestCodec<span class="operator">-</span><span class="operator">></span>setText(<span class="string">""</span>);
nearestSampleSize<span class="operator">-</span><span class="operator">></span>setText(<span class="string">""</span>);
nearestSampleType<span class="operator">-</span><span class="operator">></span>setText(<span class="string">""</span>);
nearestEndian<span class="operator">-</span><span class="operator">></span>setText(<span class="string">""</span>);
} <span class="keyword">else</span> {
<span class="type"><a href="qaudioformat.html">QAudioFormat</a></span> nearest <span class="operator">=</span> deviceInfo<span class="operator">.</span>nearestFormat(settings);
testResult<span class="operator">-</span><span class="operator">></span>setText(tr(<span class="string">"Failed"</span>));
nearestFreq<span class="operator">-</span><span class="operator">></span>setText(<span class="type"><a href="qstring.html">QString</a></span>(<span class="string">"%1"</span>)<span class="operator">.</span>arg(nearest<span class="operator">.</span>frequency()));
nearestChannel<span class="operator">-</span><span class="operator">></span>setText(<span class="type"><a href="qstring.html">QString</a></span>(<span class="string">"%1"</span>)<span class="operator">.</span>arg(nearest<span class="operator">.</span>channels()));
nearestCodec<span class="operator">-</span><span class="operator">></span>setText(nearest<span class="operator">.</span>codec());
nearestSampleSize<span class="operator">-</span><span class="operator">></span>setText(<span class="type"><a href="qstring.html">QString</a></span>(<span class="string">"%1"</span>)<span class="operator">.</span>arg(nearest<span class="operator">.</span>sampleSize()));
nearestSampleType<span class="operator">-</span><span class="operator">></span>setText(toString(nearest<span class="operator">.</span>sampleType()));
nearestEndian<span class="operator">-</span><span class="operator">></span>setText(toString(nearest<span class="operator">.</span>byteOrder()));
}
}
<span class="keyword">else</span>
testResult<span class="operator">-</span><span class="operator">></span>setText(tr(<span class="string">"No Device"</span>));
}
<span class="type">void</span> AudioTest<span class="operator">::</span>modeChanged(<span class="type">int</span> idx)
{
testResult<span class="operator">-</span><span class="operator">></span>clear();
<span class="comment">// mode has changed</span>
<span class="keyword">if</span> (idx <span class="operator">=</span><span class="operator">=</span> <span class="number">0</span>)
mode <span class="operator">=</span> <span class="type"><a href="qaudio.html">QAudio</a></span><span class="operator">::</span>AudioInput;
<span class="keyword">else</span>
mode <span class="operator">=</span> <span class="type"><a href="qaudio.html">QAudio</a></span><span class="operator">::</span>AudioOutput;
deviceBox<span class="operator">-</span><span class="operator">></span>clear();
foreach (<span class="keyword">const</span> <span class="type"><a href="qaudiodeviceinfo.html">QAudioDeviceInfo</a></span> <span class="operator">&</span>deviceInfo<span class="operator">,</span> <span class="type"><a href="qaudiodeviceinfo.html">QAudioDeviceInfo</a></span><span class="operator">::</span>availableDevices(mode))
deviceBox<span class="operator">-</span><span class="operator">></span>addItem(deviceInfo<span class="operator">.</span>deviceName()<span class="operator">,</span> <span class="type"><a href="qvariant.html">QVariant</a></span><span class="operator">::</span>fromValue(deviceInfo));
deviceBox<span class="operator">-</span><span class="operator">></span>setCurrentIndex(<span class="number">0</span>);
deviceChanged(<span class="number">0</span>);
}
<span class="type">void</span> AudioTest<span class="operator">::</span>deviceChanged(<span class="type">int</span> idx)
{
testResult<span class="operator">-</span><span class="operator">></span>clear();
<span class="keyword">if</span> (deviceBox<span class="operator">-</span><span class="operator">></span>count() <span class="operator">=</span><span class="operator">=</span> <span class="number">0</span>)
<span class="keyword">return</span>;
<span class="comment">// device has changed</span>
deviceInfo <span class="operator">=</span> deviceBox<span class="operator">-</span><span class="operator">></span>itemData(idx)<span class="operator">.</span>value<span class="operator"><</span><span class="type"><a href="qaudiodeviceinfo.html">QAudioDeviceInfo</a></span><span class="operator">></span>();
frequencyBox<span class="operator">-</span><span class="operator">></span>clear();
<span class="type"><a href="qlist.html">QList</a></span><span class="operator"><</span><span class="type">int</span><span class="operator">></span> freqz <span class="operator">=</span> deviceInfo<span class="operator">.</span>supportedFrequencies();
<span class="keyword">for</span>(<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> freqz<span class="operator">.</span>size(); <span class="operator">+</span><span class="operator">+</span>i)
frequencyBox<span class="operator">-</span><span class="operator">></span>addItem(<span class="type"><a href="qstring.html">QString</a></span>(<span class="string">"%1"</span>)<span class="operator">.</span>arg(freqz<span class="operator">.</span>at(i)));
<span class="keyword">if</span>(freqz<span class="operator">.</span>size())
settings<span class="operator">.</span>setFrequency(freqz<span class="operator">.</span>at(<span class="number">0</span>));
channelsBox<span class="operator">-</span><span class="operator">></span>clear();
<span class="type"><a href="qlist.html">QList</a></span><span class="operator"><</span><span class="type">int</span><span class="operator">></span> chz <span class="operator">=</span> deviceInfo<span class="operator">.</span>supportedChannels();
<span class="keyword">for</span>(<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> chz<span class="operator">.</span>size(); <span class="operator">+</span><span class="operator">+</span>i)
channelsBox<span class="operator">-</span><span class="operator">></span>addItem(<span class="type"><a href="qstring.html">QString</a></span>(<span class="string">"%1"</span>)<span class="operator">.</span>arg(chz<span class="operator">.</span>at(i)));
<span class="keyword">if</span>(chz<span class="operator">.</span>size())
settings<span class="operator">.</span>setChannels(chz<span class="operator">.</span>at(<span class="number">0</span>));
codecsBox<span class="operator">-</span><span class="operator">></span>clear();
<span class="type"><a href="qstringlist.html">QStringList</a></span> codecz <span class="operator">=</span> deviceInfo<span class="operator">.</span>supportedCodecs();
<span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> codecz<span class="operator">.</span>size(); <span class="operator">+</span><span class="operator">+</span>i)
codecsBox<span class="operator">-</span><span class="operator">></span>addItem(<span class="type"><a href="qstring.html">QString</a></span>(<span class="string">"%1"</span>)<span class="operator">.</span>arg(codecz<span class="operator">.</span>at(i)));
<span class="keyword">if</span> (codecz<span class="operator">.</span>size())
settings<span class="operator">.</span>setCodec(codecz<span class="operator">.</span>at(<span class="number">0</span>));
<span class="comment">// Add false to create failed condition!</span>
codecsBox<span class="operator">-</span><span class="operator">></span>addItem(<span class="string">"audio/test"</span>);
sampleSizesBox<span class="operator">-</span><span class="operator">></span>clear();
<span class="type"><a href="qlist.html">QList</a></span><span class="operator"><</span><span class="type">int</span><span class="operator">></span> sampleSizez <span class="operator">=</span> deviceInfo<span class="operator">.</span>supportedSampleSizes();
<span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> sampleSizez<span class="operator">.</span>size(); <span class="operator">+</span><span class="operator">+</span>i)
sampleSizesBox<span class="operator">-</span><span class="operator">></span>addItem(<span class="type"><a href="qstring.html">QString</a></span>(<span class="string">"%1"</span>)<span class="operator">.</span>arg(sampleSizez<span class="operator">.</span>at(i)));
<span class="keyword">if</span> (sampleSizez<span class="operator">.</span>size())
settings<span class="operator">.</span>setSampleSize(sampleSizez<span class="operator">.</span>at(<span class="number">0</span>));
sampleTypesBox<span class="operator">-</span><span class="operator">></span>clear();
<span class="type"><a href="qlist.html">QList</a></span><span class="operator"><</span><span class="type"><a href="qaudioformat.html">QAudioFormat</a></span><span class="operator">::</span>SampleType<span class="operator">></span> sampleTypez <span class="operator">=</span> deviceInfo<span class="operator">.</span>supportedSampleTypes();
<span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> sampleTypez<span class="operator">.</span>size(); <span class="operator">+</span><span class="operator">+</span>i)
sampleTypesBox<span class="operator">-</span><span class="operator">></span>addItem(toString(sampleTypez<span class="operator">.</span>at(i)));
<span class="keyword">if</span> (sampleTypez<span class="operator">.</span>size())
settings<span class="operator">.</span>setSampleType(sampleTypez<span class="operator">.</span>at(<span class="number">0</span>));
endianBox<span class="operator">-</span><span class="operator">></span>clear();
<span class="type"><a href="qlist.html">QList</a></span><span class="operator"><</span><span class="type"><a href="qaudioformat.html">QAudioFormat</a></span><span class="operator">::</span>Endian<span class="operator">></span> endianz <span class="operator">=</span> deviceInfo<span class="operator">.</span>supportedByteOrders();
<span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> endianz<span class="operator">.</span>size(); <span class="operator">+</span><span class="operator">+</span>i)
endianBox<span class="operator">-</span><span class="operator">></span>addItem(toString(endianz<span class="operator">.</span>at(i)));
<span class="keyword">if</span> (endianz<span class="operator">.</span>size())
settings<span class="operator">.</span>setByteOrder(endianz<span class="operator">.</span>at(<span class="number">0</span>));
allFormatsTable<span class="operator">-</span><span class="operator">></span>clearContents();
}
<span class="type">void</span> AudioTest<span class="operator">::</span>populateTable()
{
<span class="type">int</span> row <span class="operator">=</span> <span class="number">0</span>;
<span class="type"><a href="qaudioformat.html">QAudioFormat</a></span> format;
foreach (<span class="type"><a href="qstring.html">QString</a></span> codec<span class="operator">,</span> deviceInfo<span class="operator">.</span>supportedCodecs()) {
format<span class="operator">.</span>setCodec(codec);
foreach (<span class="type">int</span> frequency<span class="operator">,</span> deviceInfo<span class="operator">.</span>supportedFrequencies()) {
format<span class="operator">.</span>setFrequency(frequency);
foreach (<span class="type">int</span> channels<span class="operator">,</span> deviceInfo<span class="operator">.</span>supportedChannels()) {
format<span class="operator">.</span>setChannels(channels);
foreach (<span class="type"><a href="qaudioformat.html">QAudioFormat</a></span><span class="operator">::</span>SampleType sampleType<span class="operator">,</span> deviceInfo<span class="operator">.</span>supportedSampleTypes()) {
format<span class="operator">.</span>setSampleType(sampleType);
foreach (<span class="type">int</span> sampleSize<span class="operator">,</span> deviceInfo<span class="operator">.</span>supportedSampleSizes()) {
format<span class="operator">.</span>setSampleSize(sampleSize);
foreach (<span class="type"><a href="qaudioformat.html">QAudioFormat</a></span><span class="operator">::</span>Endian endian<span class="operator">,</span> deviceInfo<span class="operator">.</span>supportedByteOrders()) {
format<span class="operator">.</span>setByteOrder(endian);
<span class="keyword">if</span> (deviceInfo<span class="operator">.</span>isFormatSupported(format)) {
allFormatsTable<span class="operator">-</span><span class="operator">></span>setRowCount(row <span class="operator">+</span> <span class="number">1</span>);
<span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span> <span class="operator">*</span>codecItem <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span>(format<span class="operator">.</span>codec());
allFormatsTable<span class="operator">-</span><span class="operator">></span>setItem(row<span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> codecItem);
<span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span> <span class="operator">*</span>frequencyItem <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span>(<span class="type"><a href="qstring.html">QString</a></span>(<span class="string">"%1"</span>)<span class="operator">.</span>arg(format<span class="operator">.</span>frequency()));
allFormatsTable<span class="operator">-</span><span class="operator">></span>setItem(row<span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> frequencyItem);
<span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span> <span class="operator">*</span>channelsItem <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span>(<span class="type"><a href="qstring.html">QString</a></span>(<span class="string">"%1"</span>)<span class="operator">.</span>arg(format<span class="operator">.</span>channels()));
allFormatsTable<span class="operator">-</span><span class="operator">></span>setItem(row<span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> channelsItem);
<span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span> <span class="operator">*</span>sampleTypeItem <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span>(toString(format<span class="operator">.</span>sampleType()));
allFormatsTable<span class="operator">-</span><span class="operator">></span>setItem(row<span class="operator">,</span> <span class="number">3</span><span class="operator">,</span> sampleTypeItem);
<span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span> <span class="operator">*</span>sampleSizeItem <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span>(<span class="type"><a href="qstring.html">QString</a></span>(<span class="string">"%1"</span>)<span class="operator">.</span>arg(format<span class="operator">.</span>sampleSize()));
allFormatsTable<span class="operator">-</span><span class="operator">></span>setItem(row<span class="operator">,</span> <span class="number">4</span><span class="operator">,</span> sampleSizeItem);
<span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span> <span class="operator">*</span>byteOrderItem <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qtablewidgetitem.html">QTableWidgetItem</a></span>(toString(format<span class="operator">.</span>byteOrder()));
allFormatsTable<span class="operator">-</span><span class="operator">></span>setItem(row<span class="operator">,</span> <span class="number">5</span><span class="operator">,</span> byteOrderItem);
<span class="operator">+</span><span class="operator">+</span>row;
}
}
}
}
}
}
}
}
<span class="type">void</span> AudioTest<span class="operator">::</span>freqChanged(<span class="type">int</span> idx)
{
<span class="comment">// freq has changed</span>
settings<span class="operator">.</span>setFrequency(frequencyBox<span class="operator">-</span><span class="operator">></span>itemText(idx)<span class="operator">.</span>toInt());
}
<span class="type">void</span> AudioTest<span class="operator">::</span>channelChanged(<span class="type">int</span> idx)
{
settings<span class="operator">.</span>setChannels(channelsBox<span class="operator">-</span><span class="operator">></span>itemText(idx)<span class="operator">.</span>toInt());
}
<span class="type">void</span> AudioTest<span class="operator">::</span>codecChanged(<span class="type">int</span> idx)
{
settings<span class="operator">.</span>setCodec(codecsBox<span class="operator">-</span><span class="operator">></span>itemText(idx));
}
<span class="type">void</span> AudioTest<span class="operator">::</span>sampleSizeChanged(<span class="type">int</span> idx)
{
settings<span class="operator">.</span>setSampleSize(sampleSizesBox<span class="operator">-</span><span class="operator">></span>itemText(idx)<span class="operator">.</span>toInt());
}
<span class="type">void</span> AudioTest<span class="operator">::</span>sampleTypeChanged(<span class="type">int</span> idx)
{
<span class="keyword">switch</span> (sampleTypesBox<span class="operator">-</span><span class="operator">></span>itemText(idx)<span class="operator">.</span>toInt()) {
<span class="keyword">case</span> <span class="type"><a href="qaudioformat.html">QAudioFormat</a></span><span class="operator">::</span>SignedInt:
settings<span class="operator">.</span>setSampleType(<span class="type"><a href="qaudioformat.html">QAudioFormat</a></span><span class="operator">::</span>SignedInt);
<span class="keyword">break</span>;
<span class="keyword">case</span> <span class="type"><a href="qaudioformat.html">QAudioFormat</a></span><span class="operator">::</span>UnSignedInt:
settings<span class="operator">.</span>setSampleType(<span class="type"><a href="qaudioformat.html">QAudioFormat</a></span><span class="operator">::</span>UnSignedInt);
<span class="keyword">break</span>;
<span class="keyword">case</span> <span class="type"><a href="qaudioformat.html">QAudioFormat</a></span><span class="operator">::</span>Float:
settings<span class="operator">.</span>setSampleType(<span class="type"><a href="qaudioformat.html">QAudioFormat</a></span><span class="operator">::</span>Float);
}
}
<span class="type">void</span> AudioTest<span class="operator">::</span>endianChanged(<span class="type">int</span> idx)
{
<span class="keyword">switch</span> (endianBox<span class="operator">-</span><span class="operator">></span>itemText(idx)<span class="operator">.</span>toInt()) {
<span class="keyword">case</span> <span class="type"><a href="qaudioformat.html">QAudioFormat</a></span><span class="operator">::</span>LittleEndian:
settings<span class="operator">.</span>setByteOrder(<span class="type"><a href="qaudioformat.html">QAudioFormat</a></span><span class="operator">::</span>LittleEndian);
<span class="keyword">break</span>;
<span class="keyword">case</span> <span class="type"><a href="qaudioformat.html">QAudioFormat</a></span><span class="operator">::</span>BigEndian:
settings<span class="operator">.</span>setByteOrder(<span class="type"><a href="qaudioformat.html">QAudioFormat</a></span><span class="operator">::</span>BigEndian);
}
}</pre>
</div>
<!-- @@@multimedia/audiodevices/audiodevices.cpp -->
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