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<td >Qt 5.9</td><td ><a href="qtmultimedia-index.html">Qt Multimedia</a></td><td ><a href="qtmultimedia-modules.html">C++ Classes</a></td><td >QAbstractAudioDeviceInfo</td></tr></table><table class="buildversion"><tr>
<td id="buildversion" width="100%" align="right">Qt 5.9.5 Reference Documentation</td>
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<h3><a name="toc">Contents</a></h3>
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<li class="level1"><a href="#public-functions">Public Functions</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
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<h1 class="title">QAbstractAudioDeviceInfo Class</h1>
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<p>The <a href="qabstractaudiodeviceinfo.html">QAbstractAudioDeviceInfo</a> class is a base class for audio backends. <a href="#details">More...</a></p>
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<tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <QAbstractAudioDeviceInfo></span>
</td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> QT += multimedia</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Inherits:</td><td class="memItemRight bottomAlign"> <a href="../qtcore/qobject.html">QObject</a></td></tr></table></div><ul>
<li><a href="qabstractaudiodeviceinfo-members.html">List of all members, including inherited members</a></li>
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<h2 id="public-functions">Public Functions</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> virtual QString </td><td class="memItemRight bottomAlign"><b><a href="qabstractaudiodeviceinfo.html#deviceName">deviceName</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual bool </td><td class="memItemRight bottomAlign"><b><a href="qabstractaudiodeviceinfo.html#isFormatSupported">isFormatSupported</a></b>(const QAudioFormat &<i>format</i>) const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QAudioFormat </td><td class="memItemRight bottomAlign"><b><a href="qabstractaudiodeviceinfo.html#preferredFormat">preferredFormat</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QList<QAudioFormat::Endian> </td><td class="memItemRight bottomAlign"><b><a href="qabstractaudiodeviceinfo.html#supportedByteOrders">supportedByteOrders</a></b>() = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QList<int> </td><td class="memItemRight bottomAlign"><b><a href="qabstractaudiodeviceinfo.html#supportedChannelCounts">supportedChannelCounts</a></b>() = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QStringList </td><td class="memItemRight bottomAlign"><b><a href="qabstractaudiodeviceinfo.html#supportedCodecs">supportedCodecs</a></b>() = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QList<int> </td><td class="memItemRight bottomAlign"><b><a href="qabstractaudiodeviceinfo.html#supportedSampleRates">supportedSampleRates</a></b>() = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QList<int> </td><td class="memItemRight bottomAlign"><b><a href="qabstractaudiodeviceinfo.html#supportedSampleSizes">supportedSampleSizes</a></b>() = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QList<QAudioFormat::SampleType> </td><td class="memItemRight bottomAlign"><b><a href="qabstractaudiodeviceinfo.html#supportedSampleTypes">supportedSampleTypes</a></b>() = 0</td></tr>
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<li class="fn">32 public functions inherited from <a href="../qtcore/qobject.html#public-functions">QObject</a></li>
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<h3>Additional Inherited Members</h3>
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<li class="fn">1 property inherited from <a href="../qtcore/qobject.html#properties">QObject</a></li>
<li class="fn">1 public slot inherited from <a href="../qtcore/qobject.html#public-slots">QObject</a></li>
<li class="fn">2 signals inherited from <a href="../qtcore/qobject.html#signals">QObject</a></li>
<li class="fn">1 public variable inherited from <a href="../qtcore/qobject.html#public-variables">QObject</a></li>
<li class="fn">10 static public members inherited from <a href="../qtcore/qobject.html#static-public-members">QObject</a></li>
<li class="fn">9 protected functions inherited from <a href="../qtcore/qobject.html#protected-functions">QObject</a></li>
<li class="fn">2 protected variables inherited from <a href="../qtcore/qobject.html#protected-variables">QObject</a></li>
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<h2 id="details">Detailed Description</h2>
<p>The <a href="qabstractaudiodeviceinfo.html">QAbstractAudioDeviceInfo</a> class is a base class for audio backends.</p>
<p>This class implements the audio functionality for <a href="qaudiodeviceinfo.html">QAudioDeviceInfo</a>, i.e., <a href="qaudiodeviceinfo.html">QAudioDeviceInfo</a> keeps a <a href="qabstractaudiodeviceinfo.html">QAbstractAudioDeviceInfo</a> and routes function calls to it. For a description of the functionality that <a href="qabstractaudiodeviceinfo.html">QAbstractAudioDeviceInfo</a> implements, you can read the class and functions documentation of <a href="qaudiodeviceinfo.html">QAudioDeviceInfo</a>.</p>
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<p><b>See also </b><a href="qaudiodeviceinfo.html">QAudioDeviceInfo</a>, <a href="qabstractaudiooutput.html">QAbstractAudioOutput</a>, and <a href="qabstractaudioinput.html">QAbstractAudioInput</a>.</p>
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<h2>Member Function Documentation</h2>
<!-- $$$deviceName[overload1]$$$deviceName -->
<h3 class="fn" id="deviceName"><a name="deviceName"></a><code>[pure virtual] </code><span class="type"><a href="../qtcore/qstring.html">QString</a></span> QAbstractAudioDeviceInfo::<span class="name">deviceName</span>() const</h3>
<p>Returns the audio device name.</p>
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<h3 class="fn" id="isFormatSupported"><a name="isFormatSupported"></a><code>[pure virtual] </code><span class="type">bool</span> QAbstractAudioDeviceInfo::<span class="name">isFormatSupported</span>(const <span class="type"><a href="qaudioformat.html">QAudioFormat</a></span> &<i>format</i>) const</h3>
<p>Returns true if <i>format</i> is available from audio device.</p>
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<h3 class="fn" id="preferredFormat"><a name="preferredFormat"></a><code>[pure virtual] </code><span class="type"><a href="qaudioformat.html">QAudioFormat</a></span> QAbstractAudioDeviceInfo::<span class="name">preferredFormat</span>() const</h3>
<p>Returns the recommended settings to use.</p>
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<h3 class="fn" id="supportedByteOrders"><a name="supportedByteOrders"></a><code>[pure virtual] </code><span class="type"><a href="../qtcore/qlist.html">QList</a></span><<span class="type"><a href="qaudioformat.html#Endian-enum">QAudioFormat::Endian</a></span>> QAbstractAudioDeviceInfo::<span class="name">supportedByteOrders</span>()</h3>
<p>Returns the list of currently available byte orders.</p>
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<h3 class="fn" id="supportedChannelCounts"><a name="supportedChannelCounts"></a><code>[pure virtual] </code><span class="type"><a href="../qtcore/qlist.html">QList</a></span><<span class="type">int</span>> QAbstractAudioDeviceInfo::<span class="name">supportedChannelCounts</span>()</h3>
<p>Returns the list of currently available channels.</p>
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<h3 class="fn" id="supportedCodecs"><a name="supportedCodecs"></a><code>[pure virtual] </code><span class="type"><a href="../qtcore/qstringlist.html">QStringList</a></span> QAbstractAudioDeviceInfo::<span class="name">supportedCodecs</span>()</h3>
<p>Returns the list of currently available codecs.</p>
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<h3 class="fn" id="supportedSampleRates"><a name="supportedSampleRates"></a><code>[pure virtual] </code><span class="type"><a href="../qtcore/qlist.html">QList</a></span><<span class="type">int</span>> QAbstractAudioDeviceInfo::<span class="name">supportedSampleRates</span>()</h3>
<p>Returns the list of currently available sample rates.</p>
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<h3 class="fn" id="supportedSampleSizes"><a name="supportedSampleSizes"></a><code>[pure virtual] </code><span class="type"><a href="../qtcore/qlist.html">QList</a></span><<span class="type">int</span>> QAbstractAudioDeviceInfo::<span class="name">supportedSampleSizes</span>()</h3>
<p>Returns the list of currently available sample sizes.</p>
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<h3 class="fn" id="supportedSampleTypes"><a name="supportedSampleTypes"></a><code>[pure virtual] </code><span class="type"><a href="../qtcore/qlist.html">QList</a></span><<span class="type"><a href="qaudioformat.html#SampleType-enum">QAudioFormat::SampleType</a></span>> QAbstractAudioDeviceInfo::<span class="name">supportedSampleTypes</span>()</h3>
<p>Returns the list of currently available sample types.</p>
<!-- @@@supportedSampleTypes -->
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