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<td >Qt 5.12</td><td ><a href="qtmultimedia-index.html">Qt Multimedia</a></td><td ><a href="qtmultimedia-modules.html">C++ Classes</a></td><td >QVideoDeviceSelectorControl</td></tr></table><table class="buildversion"><tr>
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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="#public-slots">Public Slots</a></li>
<li class="level1"><a href="#signals">Signals</a></li>
<li class="level1"><a href="#static-public-members">Static Public Members</a></li>
<li class="level1"><a href="#protected-functions">Protected Functions</a></li>
<li class="level1"><a href="#macros">Macros</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
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<h1 class="title">QVideoDeviceSelectorControl Class</h1>
<!-- $$$QVideoDeviceSelectorControl-brief -->
<p>The <a href="qvideodeviceselectorcontrol.html">QVideoDeviceSelectorControl</a> class provides an video device selector media control. <a href="#details">More...</a></p>
<!-- @@@QVideoDeviceSelectorControl -->
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign">   <span class="preprocessor">#include &lt;QVideoDeviceSelectorControl&gt;</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="qmediacontrol.html">QMediaControl</a></td></tr></table></div><ul>
<li><a href="qvideodeviceselectorcontrol-members.html">List of all members, including inherited members</a></li>
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<a name="public-functions"></a>
<h2 id="public-functions">Public Functions</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> virtual </td><td class="memItemRight bottomAlign"><b><a href="qvideodeviceselectorcontrol.html#dtor.QVideoDeviceSelectorControl">~QVideoDeviceSelectorControl</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual int </td><td class="memItemRight bottomAlign"><b><a href="qvideodeviceselectorcontrol.html#defaultDevice">defaultDevice</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual int </td><td class="memItemRight bottomAlign"><b><a href="qvideodeviceselectorcontrol.html#deviceCount">deviceCount</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QString </td><td class="memItemRight bottomAlign"><b><a href="qvideodeviceselectorcontrol.html#deviceDescription">deviceDescription</a></b>(int <i>index</i>) const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QString </td><td class="memItemRight bottomAlign"><b><a href="qvideodeviceselectorcontrol.html#deviceName">deviceName</a></b>(int <i>index</i>) const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual int </td><td class="memItemRight bottomAlign"><b><a href="qvideodeviceselectorcontrol.html#selectedDevice">selectedDevice</a></b>() const = 0</td></tr>
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<a name="public-slots"></a>
<h2 id="public-slots">Public Slots</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qvideodeviceselectorcontrol.html#setSelectedDevice">setSelectedDevice</a></b>(int <i>index</i>) = 0</td></tr>
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<a name="signals"></a>
<h2 id="signals">Signals</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qvideodeviceselectorcontrol.html#devicesChanged">devicesChanged</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qvideodeviceselectorcontrol.html#selectedDeviceChanged">selectedDeviceChanged</a></b>(int <i>index</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qvideodeviceselectorcontrol.html#selectedDeviceChanged-1">selectedDeviceChanged</a></b>(const QString &amp;<i>name</i>)</td></tr>
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<a name="static-public-members"></a>
<h2 id="static-public-members">Static Public Members</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> const QMetaObject </td><td class="memItemRight bottomAlign"><b><a href="qvideodeviceselectorcontrol.html#staticMetaObject-var">staticMetaObject</a></b></td></tr>
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<a name="protected-functions"></a>
<h2 id="protected-functions">Protected Functions</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qvideodeviceselectorcontrol.html#QVideoDeviceSelectorControl">QVideoDeviceSelectorControl</a></b>(QObject *<i>parent</i> = nullptr)</td></tr>
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<h2 id="macros">Macros</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qvideodeviceselectorcontrol.html#QCameraInfoControl_iid">QCameraInfoControl_iid</a></b></td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qvideodeviceselectorcontrol.html#QVideoDeviceSelectorControl_iid">QVideoDeviceSelectorControl_iid</a></b></td></tr>
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<a name="details"></a>
<!-- $$$QVideoDeviceSelectorControl-description -->
<div class="descr">
<h2 id="details">Detailed Description</h2>
<p>The <a href="qvideodeviceselectorcontrol.html">QVideoDeviceSelectorControl</a> class provides an video device selector media control.</p>
<p>The <a href="qvideodeviceselectorcontrol.html">QVideoDeviceSelectorControl</a> class provides descriptions of the video devices available on a system and allows one to be selected as the endpoint of a media service.</p>
<p>The interface name of <a href="qvideodeviceselectorcontrol.html">QVideoDeviceSelectorControl</a> is <code>org.qt-project.qt.videodeviceselectorcontrol/5.0</code> as defined in <a href="qvideodeviceselectorcontrol.html#QVideoDeviceSelectorControl_iid">QVideoDeviceSelectorControl_iid</a>.</p>
</div>
<!-- @@@QVideoDeviceSelectorControl -->
<div class="func">
<h2>Member Function Documentation</h2>
<!-- $$$QVideoDeviceSelectorControl[overload1]$$$QVideoDeviceSelectorControlQObject* -->
<h3 class="fn" id="QVideoDeviceSelectorControl"><a name="QVideoDeviceSelectorControl"></a><code>[protected] </code>QVideoDeviceSelectorControl::<span class="name">QVideoDeviceSelectorControl</span>(<span class="type">QObject</span> *<i>parent</i> = nullptr)</h3>
<p>Constructs a video device selector control with the given <i>parent</i>.</p>
<!-- @@@QVideoDeviceSelectorControl -->
<!-- $$$~QVideoDeviceSelectorControl[overload1]$$$~QVideoDeviceSelectorControl -->
<h3 class="fn" id="dtor.QVideoDeviceSelectorControl"><a name="dtor.QVideoDeviceSelectorControl"></a><code>[virtual] </code>QVideoDeviceSelectorControl::<span class="name">~QVideoDeviceSelectorControl</span>()</h3>
<p>Destroys a video device selector control.</p>
<!-- @@@~QVideoDeviceSelectorControl -->
<!-- $$$defaultDevice[overload1]$$$defaultDevice -->
<h3 class="fn" id="defaultDevice"><a name="defaultDevice"></a><code>[pure virtual] </code><span class="type">int</span> QVideoDeviceSelectorControl::<span class="name">defaultDevice</span>() const</h3>
<p>Returns the index of the default video device.</p>
<!-- @@@defaultDevice -->
<!-- $$$deviceCount[overload1]$$$deviceCount -->
<h3 class="fn" id="deviceCount"><a name="deviceCount"></a><code>[pure virtual] </code><span class="type">int</span> QVideoDeviceSelectorControl::<span class="name">deviceCount</span>() const</h3>
<p>Returns the number of available video devices;</p>
<!-- @@@deviceCount -->
<!-- $$$deviceDescription[overload1]$$$deviceDescriptionint -->
<h3 class="fn" id="deviceDescription"><a name="deviceDescription"></a><code>[pure virtual] </code><span class="type">QString</span> QVideoDeviceSelectorControl::<span class="name">deviceDescription</span>(<span class="type">int</span> <i>index</i>) const</h3>
<p>Returns a description of the video device at <i>index</i>.</p>
<!-- @@@deviceDescription -->
<!-- $$$deviceName[overload1]$$$deviceNameint -->
<h3 class="fn" id="deviceName"><a name="deviceName"></a><code>[pure virtual] </code><span class="type">QString</span> QVideoDeviceSelectorControl::<span class="name">deviceName</span>(<span class="type">int</span> <i>index</i>) const</h3>
<p>Returns the name of the video device at <i>index</i>.</p>
<!-- @@@deviceName -->
<!-- $$$devicesChanged[overload1]$$$devicesChanged -->
<h3 class="fn" id="devicesChanged"><a name="devicesChanged"></a><code>[signal] </code><span class="type">void</span> QVideoDeviceSelectorControl::<span class="name">devicesChanged</span>()</h3>
<p>Signals that the list of available video devices has changed.</p>
<!-- @@@devicesChanged -->
<!-- $$$selectedDevice[overload1]$$$selectedDevice -->
<h3 class="fn" id="selectedDevice"><a name="selectedDevice"></a><code>[pure virtual] </code><span class="type">int</span> QVideoDeviceSelectorControl::<span class="name">selectedDevice</span>() const</h3>
<p>Returns the index of the selected video device.</p>
<p><b>See also </b><a href="qvideodeviceselectorcontrol.html#setSelectedDevice">setSelectedDevice</a>().</p>
<!-- @@@selectedDevice -->
<!-- $$$selectedDeviceChanged[overload1]$$$selectedDeviceChangedint -->
<h3 class="fn" id="selectedDeviceChanged"><a name="selectedDeviceChanged"></a><code>[signal] </code><span class="type">void</span> QVideoDeviceSelectorControl::<span class="name">selectedDeviceChanged</span>(<span class="type">int</span> <i>index</i>)</h3>
<p>Signals that the selected video device <i>index</i> has changed.</p>
<p><b>Note:</b> Signal <i>selectedDeviceChanged</i> is overloaded in this class. To connect to this signal by using the function pointer syntax, Qt provides a convenient helper for obtaining the function pointer as shown in this example:<pre class="cpp">

  connect(videoDeviceSelectorControl<span class="operator">,</span> <span class="type">QOverload</span><span class="operator">&lt;</span><span class="type">int</span><span class="operator">&gt;</span><span class="operator">::</span>of(<span class="operator">&amp;</span><span class="type"><a href="qvideodeviceselectorcontrol.html#QVideoDeviceSelectorControl">QVideoDeviceSelectorControl</a></span><span class="operator">::</span>selectedDeviceChanged)<span class="operator">,</span>
      <span class="operator">[</span><span class="operator">=</span><span class="operator">]</span>(<span class="type">int</span> index){ <span class="comment">/* ... */</span> });

</pre>
<!-- @@@selectedDeviceChanged -->
<!-- $$$selectedDeviceChanged$$$selectedDeviceChangedconstQString& -->
<h3 class="fn" id="selectedDeviceChanged-1"><a name="selectedDeviceChanged-1"></a><code>[signal] </code><span class="type">void</span> QVideoDeviceSelectorControl::<span class="name">selectedDeviceChanged</span>(const <span class="type">QString</span> &amp;<i>name</i>)</h3>
<p>Signals that the selected video device <i>name</i> has changed.</p>
<p><b>Note:</b> Signal <i>selectedDeviceChanged</i> is overloaded in this class. To connect to this signal by using the function pointer syntax, Qt provides a convenient helper for obtaining the function pointer as shown in this example:<pre class="cpp">

  connect(videoDeviceSelectorControl<span class="operator">,</span> <span class="type">QOverload</span><span class="operator">&lt;</span><span class="keyword">const</span> <span class="type">QString</span> <span class="operator">&amp;</span><span class="operator">&gt;</span><span class="operator">::</span>of(<span class="operator">&amp;</span><span class="type"><a href="qvideodeviceselectorcontrol.html#QVideoDeviceSelectorControl">QVideoDeviceSelectorControl</a></span><span class="operator">::</span>selectedDeviceChanged)<span class="operator">,</span>
      <span class="operator">[</span><span class="operator">=</span><span class="operator">]</span>(<span class="keyword">const</span> <span class="type">QString</span> <span class="operator">&amp;</span>name){ <span class="comment">/* ... */</span> });

</pre>
<!-- @@@selectedDeviceChanged -->
<!-- $$$setSelectedDevice[overload1]$$$setSelectedDeviceint -->
<h3 class="fn" id="setSelectedDevice"><a name="setSelectedDevice"></a><code>[pure virtual slot] </code><span class="type">void</span> QVideoDeviceSelectorControl::<span class="name">setSelectedDevice</span>(<span class="type">int</span> <i>index</i>)</h3>
<p>Sets the selected video device <i>index</i>.</p>
<p><b>See also </b><a href="qvideodeviceselectorcontrol.html#selectedDevice">selectedDevice</a>().</p>
<!-- @@@setSelectedDevice -->
</div>
<div class="macros">
<h2>Macro Documentation</h2>
<!-- $$$QCameraInfoControl_iid[overload1]$$$QCameraInfoControl_iid -->
<h3 class="fn" id="QCameraInfoControl_iid"><a name="QCameraInfoControl_iid"></a><span class="name">QCameraInfoControl_iid</span></h3>
<p><code>org.qt-project.qt.camerainfocontrol/5.3</code></p>
<p>Defines the interface name of the <a href="qcamerainfocontrol.html">QCameraInfoControl</a> class.</p>
<!-- @@@QCameraInfoControl_iid -->
<!-- $$$QVideoDeviceSelectorControl_iid[overload1]$$$QVideoDeviceSelectorControl_iid -->
<h3 class="fn" id="QVideoDeviceSelectorControl_iid"><a name="QVideoDeviceSelectorControl_iid"></a><span class="name">QVideoDeviceSelectorControl_iid</span></h3>
<p><code>org.qt-project.qt.videodeviceselectorcontrol/5.0</code></p>
<p>Defines the interface name of the <a href="qvideodeviceselectorcontrol.html">QVideoDeviceSelectorControl</a> class.</p>
<!-- @@@QVideoDeviceSelectorControl_iid -->
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