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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en_US" lang="en_US">
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  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<!-- qradiotuner.cpp -->
  <title>QRadioTuner Class | QtMultimedia 5.2</title>
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<body>
<div class="header" id="qtdocheader">
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        <ul>
<li>Qt 5.2</li>
<li><a href="qtmultimedia-index.html">Qt Multimedia</a></li>
<li><a href="qtmultimedia-module.html">C++ Classes</a></li>
<li>QRadioTuner</li>
<li id="buildversion">
Qt 5.2.1 Reference Documentation</li>
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</div>
<div class="content">
<div class="line">
<div class="content mainContent">
<div class="toc">
<h3><a name="toc">Contents</a></h3>
<ul>
<li class="level1"><a href="#public-types">Public Types</a></li>
<li class="level1"><a href="#properties">Properties</a></li>
<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="#details">Detailed Description</a></li>
</ul>
</div>
<h1 class="title">QRadioTuner Class</h1>
<!-- $$$QRadioTuner-brief -->
<p>The QRadioTuner class provides an interface to the systems analog radio device. <a href="#details">More...</a></p>
<!-- @@@QRadioTuner -->
<table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> </b><tt><span class="preprocessor">#include &lt;QRadioTuner&gt;</span>
</tt></td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> <tt>QT += multimedia</tt></td></tr><tr><td class="memItemLeft rightAlign topAlign"> Inherits:</td><td class="memItemRight bottomAlign"> <a href="qmediaobject.html">QMediaObject</a>.</td></tr></table><ul>
<li><a href="qradiotuner-members.html">List of all members, including inherited members</a></li>
</ul>
<a name="public-types"></a>
<h2>Public Types</h2>
<table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> enum </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#Band-enum">Band</a></b> { AM, FM, SW, LW, FM2 }</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> enum </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#Error-enum">Error</a></b> { NoError, ResourceError, OpenError, OutOfRangeError }</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> enum </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#SearchMode-enum">SearchMode</a></b> { SearchFast, SearchGetStationId }</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> enum </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#State-enum">State</a></b> { ActiveState, StoppedState }</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> enum </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#StereoMode-enum">StereoMode</a></b> { ForceStereo, ForceMono, Auto }</td></tr>
</table>
<a name="properties"></a>
<h2>Properties</h2>
<table class="propsummary">
<tr><td class="topAlign"><ul>
<li class="fn"><b><a href="qradiotuner.html#antennaConnected-prop">antennaConnected</a></b> : const bool</li>
<li class="fn"><b><a href="qradiotuner.html#band-prop">band</a></b> : Band</li>
<li class="fn"><b><a href="qradiotuner.html#frequency-prop">frequency</a></b> : int</li>
<li class="fn"><b><a href="qradiotuner.html#muted-prop">muted</a></b> : bool</li>
<li class="fn"><b><a href="qradiotuner.html#radioData-prop">radioData</a></b> : QRadioData * const</li>
<li class="fn"><b><a href="qradiotuner.html#searching-prop">searching</a></b> : const bool</li>
</ul></td><td class="topAlign"><ul>
<li class="fn"><b><a href="qradiotuner.html#signalStrength-prop">signalStrength</a></b> : const int</li>
<li class="fn"><b><a href="qradiotuner.html#state-prop">state</a></b> : const State</li>
<li class="fn"><b><a href="qradiotuner.html#stereo-prop">stereo</a></b> : const bool</li>
<li class="fn"><b><a href="qradiotuner.html#stereoMode-prop">stereoMode</a></b> : StereoMode</li>
<li class="fn"><b><a href="qradiotuner.html#volume-prop">volume</a></b> : int</li>
</ul>
</td></tr>
</table>
<ul>
<li class="fn">1 property inherited from <a href="qmediaobject.html#properties">QMediaObject</a></li>
</ul>
<a name="public-functions"></a>
<h2>Public Functions</h2>
<table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#QRadioTuner">QRadioTuner</a></b>(QObject *<i> parent</i> = 0)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#dtor.QRadioTuner">~QRadioTuner</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> Band </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#band-prop">band</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> Error </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#error">error</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QString </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#errorString">errorString</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#frequency-prop">frequency</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QPair&lt;int, int&gt; </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#frequencyRange">frequencyRange</a></b>(Band<i> band</i>) const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#frequencyStep">frequencyStep</a></b>(Band<i> band</i>) const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#antennaConnected-prop">isAntennaConnected</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#isBandSupported">isBandSupported</a></b>(Band<i> band</i>) const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#muted-prop">isMuted</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#searching-prop">isSearching</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#stereo-prop">isStereo</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QRadioData * </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#radioData-prop">radioData</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#stereoMode-prop">setStereoMode</a></b>(QRadioTuner::StereoMode<i> mode</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#signalStrength-prop">signalStrength</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> State </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#state-prop">state</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> StereoMode </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#stereoMode-prop">stereoMode</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#volume-prop">volume</a></b>() const</td></tr>
</table>
<a name="reimplemented-public-functions"></a>
<h2>Reimplemented Public Functions</h2>
<table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> virtual QMultimedia::AvailabilityStatus </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#availability">availability</a></b>() const</td></tr>
</table>
<ul>
<li class="fn">10 public functions inherited from <a href="qmediaobject.html#public-functions">QMediaObject</a></li>
</ul>
<a name="public-slots"></a>
<h2>Public Slots</h2>
<table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#cancelSearch">cancelSearch</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#searchAllStations">searchAllStations</a></b>(QRadioTuner::SearchMode<i> searchMode</i> = QRadioTuner::SearchFast)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#searchBackward">searchBackward</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#searchForward">searchForward</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#band-prop">setBand</a></b>(Band<i> band</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#frequency-prop">setFrequency</a></b>(int<i> frequency</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#muted-prop">setMuted</a></b>(bool<i> muted</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#volume-prop">setVolume</a></b>(int<i> volume</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#start">start</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#stop">stop</a></b>()</td></tr>
</table>
<a name="signals"></a>
<h2>Signals</h2>
<table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#antennaConnected-prop">antennaConnectedChanged</a></b>(bool<i> connectionStatus</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#band-prop">bandChanged</a></b>(QRadioTuner::Band<i> band</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#error-2">error</a></b>(QRadioTuner::Error<i> error</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#frequency-prop">frequencyChanged</a></b>(int<i> frequency</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#muted-prop">mutedChanged</a></b>(bool<i> muted</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#searching-prop">searchingChanged</a></b>(bool<i> searching</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#signalStrength-prop">signalStrengthChanged</a></b>(int<i> strength</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#state-prop">stateChanged</a></b>(QRadioTuner::State<i> state</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#stationFound">stationFound</a></b>(int<i> frequency</i>, QString<i> stationId</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#stereo-prop">stereoStatusChanged</a></b>(bool<i> stereo</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qradiotuner.html#volume-prop">volumeChanged</a></b>(int<i> volume</i>)</td></tr>
</table>
<ul>
<li class="fn">6 signals inherited from <a href="qmediaobject.html#signals">QMediaObject</a></li>
</ul>
<h3>Additional Inherited Members</h3>
<ul>
<li class="fn">2 protected functions inherited from <a href="qmediaobject.html#protected-functions">QMediaObject</a></li>
</ul>
<a name="details"></a>
<!-- $$$QRadioTuner-description -->
<div class="descr">
<h2>Detailed Description</h2>
<p>The QRadioTuner class provides an interface to the systems analog radio device.</p>
<p>You can control the systems analog radio device using this interface, for example:</p>
<pre class="cpp">radio <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QRadioTuner</span>;
connect(radio<span class="operator">,</span> SIGNAL(frequencyChanged(<span class="type">int</span>))<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> SLOT(freqChanged(<span class="type">int</span>)));
<span class="keyword">if</span> (radio<span class="operator">-</span><span class="operator">&gt;</span>isBandSupported(<span class="type">QRadioTuner</span><span class="operator">::</span>FM)) {
    radio<span class="operator">-</span><span class="operator">&gt;</span>setBand(<span class="type">QRadioTuner</span><span class="operator">::</span>FM);
    radio<span class="operator">-</span><span class="operator">&gt;</span>setFrequency(yourRadioStationFrequency);
    radio<span class="operator">-</span><span class="operator">&gt;</span>setVolume(<span class="number">100</span>);
    radio<span class="operator">-</span><span class="operator">&gt;</span>start();
}</pre>
<p>The radio object will emit signals for any changes in state such as: <a href="qradiotuner.html#band-prop">bandChanged</a>(), <a href="qradiotuner.html#frequency-prop">frequencyChanged</a>(), <a href="qradiotuner.html#stereo-prop">stereoStatusChanged</a>(), <a href="qradiotuner.html#searching-prop">searchingChanged</a>(), <a href="qradiotuner.html#signalStrength-prop">signalStrengthChanged</a>(), <a href="qradiotuner.html#volume-prop">volumeChanged</a>(), <a href="qradiotuner.html#muted-prop">mutedChanged</a>().</p>
<p>You can change between the frequency bands using <a href="qradiotuner.html#band-prop">setBand</a>() however it is recommended that you check to make sure the band is available first using <a href="qradiotuner.html#isBandSupported">isBandSupported</a>().</p>
</div>
<p><b>See also </b><a href="qradiodata.html">QRadioData</a> and <a href="radiooverview.html">Radio Overview</a>.</p>
<!-- @@@QRadioTuner -->
<div class="types">
<h2>Member Type Documentation</h2>
<!-- $$$Band$$$AM$$$FM$$$SW$$$LW$$$FM2 -->
<h3 class="fn"><a name="Band-enum"></a>enum QRadioTuner::<span class="name">Band</span></h3>
<p>Enumerates radio frequency bands.</p>
<table class="valuelist"><tr valign="top" class="odd"><th class="tblConst">Constant</th><th class="tblval">Value</th><th class="tbldscr">Description</th></tr>
<tr><td class="topAlign"><tt>QRadioTuner::AM</tt></td><td class="topAlign"><tt>0</tt></td><td class="topAlign">520 to 1610 kHz, 9 or 10kHz channel spacing, extended 1610 to 1710 kHz</td></tr>
<tr><td class="topAlign"><tt>QRadioTuner::FM</tt></td><td class="topAlign"><tt>1</tt></td><td class="topAlign">87.5 to 108.0 MHz, except Japan 76-90 MHz</td></tr>
<tr><td class="topAlign"><tt>QRadioTuner::SW</tt></td><td class="topAlign"><tt>2</tt></td><td class="topAlign">1.711 to 30.0 MHz, divided into 15 bands. 5kHz channel spacing</td></tr>
<tr><td class="topAlign"><tt>QRadioTuner::LW</tt></td><td class="topAlign"><tt>3</tt></td><td class="topAlign">148.5 to 283.5 kHz, 9kHz channel spacing (Europe, Africa, Asia)</td></tr>
<tr><td class="topAlign"><tt>QRadioTuner::FM2</tt></td><td class="topAlign"><tt>4</tt></td><td class="topAlign">range not defined, used when area supports more than one FM range.</td></tr>
</table>
<!-- @@@Band -->
<!-- $$$Error$$$NoError$$$ResourceError$$$OpenError$$$OutOfRangeError -->
<h3 class="fn"><a name="Error-enum"></a>enum QRadioTuner::<span class="name">Error</span></h3>
<p>Enumerates radio tuner error conditions.</p>
<table class="valuelist"><tr valign="top" class="odd"><th class="tblConst">Constant</th><th class="tblval">Value</th><th class="tbldscr">Description</th></tr>
<tr><td class="topAlign"><tt>QRadioTuner::NoError</tt></td><td class="topAlign"><tt>0</tt></td><td class="topAlign">No errors have occurred.</td></tr>
<tr><td class="topAlign"><tt>QRadioTuner::ResourceError</tt></td><td class="topAlign"><tt>1</tt></td><td class="topAlign">There is no radio service available.</td></tr>
<tr><td class="topAlign"><tt>QRadioTuner::OpenError</tt></td><td class="topAlign"><tt>2</tt></td><td class="topAlign">Unable to open radio device.</td></tr>
<tr><td class="topAlign"><tt>QRadioTuner::OutOfRangeError</tt></td><td class="topAlign"><tt>3</tt></td><td class="topAlign">An attempt to set a frequency or band that is not supported by radio device.</td></tr>
</table>
<!-- @@@Error -->
<!-- $$$SearchMode$$$SearchFast$$$SearchGetStationId -->
<h3 class="fn"><a name="SearchMode-enum"></a>enum QRadioTuner::<span class="name">SearchMode</span></h3>
<p>Enumerates how the radio tuner should search for stations.</p>
<table class="valuelist"><tr valign="top" class="odd"><th class="tblConst">Constant</th><th class="tblval">Value</th><th class="tbldscr">Description</th></tr>
<tr><td class="topAlign"><tt>QRadioTuner::SearchFast</tt></td><td class="topAlign"><tt>0</tt></td><td class="topAlign">Use only signal strength when searching.</td></tr>
<tr><td class="topAlign"><tt>QRadioTuner::SearchGetStationId</tt></td><td class="topAlign"><tt>1</tt></td><td class="topAlign">After finding a strong signal, wait for the RDS station id (PI) before continuing.</td></tr>
</table>
<!-- @@@SearchMode -->
<!-- $$$State$$$ActiveState$$$StoppedState -->
<h3 class="fn"><a name="State-enum"></a>enum QRadioTuner::<span class="name">State</span></h3>
<p>Enumerates radio tuner states.</p>
<table class="valuelist"><tr valign="top" class="odd"><th class="tblConst">Constant</th><th class="tblval">Value</th><th class="tbldscr">Description</th></tr>
<tr><td class="topAlign"><tt>QRadioTuner::ActiveState</tt></td><td class="topAlign"><tt>0</tt></td><td class="topAlign">The tuner is started and active.</td></tr>
<tr><td class="topAlign"><tt>QRadioTuner::StoppedState</tt></td><td class="topAlign"><tt>1</tt></td><td class="topAlign">The tuner device is stopped.</td></tr>
</table>
<!-- @@@State -->
<!-- $$$StereoMode$$$ForceStereo$$$ForceMono$$$Auto -->
<h3 class="fn"><a name="StereoMode-enum"></a>enum QRadioTuner::<span class="name">StereoMode</span></h3>
<p>Enumerates radio tuner policy for receiving stereo signals.</p>
<table class="valuelist"><tr valign="top" class="odd"><th class="tblConst">Constant</th><th class="tblval">Value</th><th class="tbldscr">Description</th></tr>
<tr><td class="topAlign"><tt>QRadioTuner::ForceStereo</tt></td><td class="topAlign"><tt>0</tt></td><td class="topAlign">Provide stereo mode, converting if required.</td></tr>
<tr><td class="topAlign"><tt>QRadioTuner::ForceMono</tt></td><td class="topAlign"><tt>1</tt></td><td class="topAlign">Provide mono mode, converting if required.</td></tr>
<tr><td class="topAlign"><tt>QRadioTuner::Auto</tt></td><td class="topAlign"><tt>2</tt></td><td class="topAlign">Uses the stereo mode matching the station.</td></tr>
</table>
<!-- @@@StereoMode -->
</div>
<div class="prop">
<h2>Property Documentation</h2>
<!-- $$$antennaConnected-prop$$$isAntennaConnected$$$antennaConnectedChangedbool -->
<h3 class="fn"><a name="antennaConnected-prop"></a><span class="name">antennaConnected</span> : const <span class="type">bool</span></h3>
<p>This property holds whether there is an antenna connected.</p>
<p><b>Access functions:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> bool </td><td class="memItemRight bottomAlign"><span class="name"><b>isAntennaConnected</b></span>() const</td></tr>
</table>
<p><b>Notifier signal:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>antennaConnectedChanged</b></span>(bool<i> connectionStatus</i>)</td></tr>
</table>
<!-- @@@antennaConnected -->
<!-- $$$band-prop$$$band$$$setBandBand$$$bandChangedQRadioTuner::Band -->
<h3 class="fn"><a name="band-prop"></a><span class="name">band</span> : <span class="type"><a href="qradiotuner.html#Band-enum">Band</a></span></h3>
<p>This property holds the frequency band a radio tuner is tuned to.</p>
<p><b>Access functions:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> Band </td><td class="memItemRight bottomAlign"><span class="name"><b>band</b></span>() const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setBand</b></span>(Band<i> band</i>)</td></tr>
</table>
<p><b>Notifier signal:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>bandChanged</b></span>(QRadioTuner::Band<i> band</i>)</td></tr>
</table>
<p><b>See also </b><a href="qradiotuner.html#Band-enum">QRadioTuner::Band</a>.</p>
<!-- @@@band -->
<!-- $$$frequency-prop$$$frequency$$$setFrequencyint$$$frequencyChangedint -->
<h3 class="fn"><a name="frequency-prop"></a><span class="name">frequency</span> : <span class="type">int</span></h3>
<p>This property holds the frequency in Hertz a radio tuner is tuned to.</p>
<p><b>Access functions:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> int </td><td class="memItemRight bottomAlign"><span class="name"><b>frequency</b></span>() const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setFrequency</b></span>(int<i> frequency</i>)</td></tr>
</table>
<p><b>Notifier signal:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>frequencyChanged</b></span>(int<i> frequency</i>)</td></tr>
</table>
<!-- @@@frequency -->
<!-- $$$muted-prop$$$isMuted$$$setMutedbool$$$mutedChangedbool -->
<h3 class="fn"><a name="muted-prop"></a><span class="name">muted</span> : <span class="type">bool</span></h3>
<p>This property holds whether a radio tuner's audio output is muted.</p>
<p><b>Access functions:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> bool </td><td class="memItemRight bottomAlign"><span class="name"><b>isMuted</b></span>() const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setMuted</b></span>(bool<i> muted</i>)</td></tr>
</table>
<p><b>Notifier signal:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>mutedChanged</b></span>(bool<i> muted</i>)</td></tr>
</table>
<!-- @@@muted -->
<!-- $$$radioData-prop$$$radioData -->
<h3 class="fn"><a name="radioData-prop"></a><span class="name">radioData</span> : <span class="type"><a href="qradiodata.html">QRadioData</a></span> * const</h3>
<p>This property holds an instance of QRadioData.</p>
<p>The instance of <a href="qradiodata.html">QRadioData</a> is already bound to this instance of <a href="qradiotuner.html">QRadioTuner</a>.</p>
<p><b>Access functions:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> QRadioData * </td><td class="memItemRight bottomAlign"><span class="name"><b>radioData</b></span>() const</td></tr>
</table>
<!-- @@@radioData -->
<!-- $$$searching-prop$$$isSearching$$$searchingChangedbool -->
<h3 class="fn"><a name="searching-prop"></a><span class="name">searching</span> : const <span class="type">bool</span></h3>
<p>This property holds whether a radio tuner is currently scanning for a signal.</p>
<p><b>Access functions:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> bool </td><td class="memItemRight bottomAlign"><span class="name"><b>isSearching</b></span>() const</td></tr>
</table>
<p><b>Notifier signal:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>searchingChanged</b></span>(bool<i> searching</i>)</td></tr>
</table>
<p><b>See also </b><a href="qradiotuner.html#searchForward">searchForward</a>(), <a href="qradiotuner.html#searchBackward">searchBackward</a>(), and <a href="qradiotuner.html#cancelSearch">cancelSearch</a>().</p>
<!-- @@@searching -->
<!-- $$$signalStrength-prop$$$signalStrength$$$signalStrengthChangedint -->
<h3 class="fn"><a name="signalStrength-prop"></a><span class="name">signalStrength</span> : const <span class="type">int</span></h3>
<p>This property holds the strength of the current radio signal as a percentage.</p>
<p><b>Access functions:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> int </td><td class="memItemRight bottomAlign"><span class="name"><b>signalStrength</b></span>() const</td></tr>
</table>
<p><b>Notifier signal:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>signalStrengthChanged</b></span>(int<i> strength</i>)</td></tr>
</table>
<!-- @@@signalStrength -->
<!-- $$$state-prop$$$state$$$stateChangedQRadioTuner::State -->
<h3 class="fn"><a name="state-prop"></a><span class="name">state</span> : const <span class="type"><a href="qradiotuner.html#State-enum">State</a></span></h3>
<p>Return the current radio tuner state.</p>
<p><b>Access functions:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> State </td><td class="memItemRight bottomAlign"><span class="name"><b>state</b></span>() const</td></tr>
</table>
<p><b>Notifier signal:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>stateChanged</b></span>(QRadioTuner::State<i> state</i>)</td></tr>
</table>
<p><b>See also </b><a href="qradiotuner.html#State-enum">QRadioTuner::State</a>.</p>
<!-- @@@state -->
<!-- $$$stereo-prop$$$isStereo$$$stereoStatusChangedbool -->
<h3 class="fn"><a name="stereo-prop"></a><span class="name">stereo</span> : const <span class="type">bool</span></h3>
<p>This property holds whether a radio tuner is receiving a stereo signal.</p>
<p><b>Access functions:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> bool </td><td class="memItemRight bottomAlign"><span class="name"><b>isStereo</b></span>() const</td></tr>
</table>
<p><b>Notifier signal:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>stereoStatusChanged</b></span>(bool<i> stereo</i>)</td></tr>
</table>
<!-- @@@stereo -->
<!-- $$$stereoMode-prop$$$stereoMode$$$setStereoModeQRadioTuner::StereoMode -->
<h3 class="fn"><a name="stereoMode-prop"></a><span class="name">stereoMode</span> : <span class="type"><a href="qradiotuner.html#StereoMode-enum">StereoMode</a></span></h3>
<p>This property holds the stereo mode of a radio tuner.</p>
<p><b>Access functions:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> StereoMode </td><td class="memItemRight bottomAlign"><span class="name"><b>stereoMode</b></span>() const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setStereoMode</b></span>(QRadioTuner::StereoMode<i> mode</i>)</td></tr>
</table>
<!-- @@@stereoMode -->
<!-- $$$volume-prop$$$volume$$$setVolumeint$$$volumeChangedint -->
<h3 class="fn"><a name="volume-prop"></a><span class="name">volume</span> : <span class="type">int</span></h3>
<p>This property holds the volume of a radio tuner's audio output as a percentage.</p>
<p><b>Access functions:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> int </td><td class="memItemRight bottomAlign"><span class="name"><b>volume</b></span>() const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setVolume</b></span>(int<i> volume</i>)</td></tr>
</table>
<p><b>Notifier signal:</b></p>
<table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>volumeChanged</b></span>(int<i> volume</i>)</td></tr>
</table>
<!-- @@@volume -->
</div>
<div class="func">
<h2>Member Function Documentation</h2>
<!-- $$$QRadioTuner[overload1]$$$QRadioTunerQObject* -->
<h3 class="fn"><a name="QRadioTuner"></a>QRadioTuner::<span class="name">QRadioTuner</span>(<span class="type">QObject</span> *<i> parent</i> = 0)</h3>
<p>Constructs a radio tuner based on a media service allocated by the default media service provider.</p>
<p>The <i>parent</i> is passed to <a href="qmediaobject.html">QMediaObject</a>.</p>
<!-- @@@QRadioTuner -->
<!-- $$$~QRadioTuner[overload1]$$$~QRadioTuner -->
<h3 class="fn"><a name="dtor.QRadioTuner"></a>QRadioTuner::<span class="name">~QRadioTuner</span>()</h3>
<p>Destroys a radio tuner.</p>
<!-- @@@~QRadioTuner -->
<!-- $$$availability[overload1]$$$availability -->
<h3 class="fn"><a name="availability"></a><span class="type"><a href="qmultimedia.html#AvailabilityStatus-enum">QMultimedia::AvailabilityStatus</a></span> QRadioTuner::<span class="name">availability</span>() const<tt> [virtual]</tt></h3>
<p>Reimplemented from <a href="qmediaobject.html#availability">QMediaObject::availability</a>().</p>
<p>Returns the availability of the radio tuner.</p>
<!-- @@@availability -->
<!-- $$$cancelSearch[overload1]$$$cancelSearch -->
<h3 class="fn"><a name="cancelSearch"></a><span class="type">void</span> QRadioTuner::<span class="name">cancelSearch</span>()<tt> [slot]</tt></h3>
<p>Stops scanning for a signal.</p>
<p><b>See also </b><a href="qradiotuner.html#searchForward">searchForward</a>(), <a href="qradiotuner.html#searchBackward">searchBackward</a>(), and <a href="qradiotuner.html#searching-prop">searching</a>.</p>
<!-- @@@cancelSearch -->
<!-- $$$error[overload1]$$$error -->
<h3 class="fn"><a name="error"></a><span class="type"><a href="qradiotuner.html#Error-enum">Error</a></span> QRadioTuner::<span class="name">error</span>() const</h3>
<p>Returns the error state of a radio tuner.</p>
<p><b>See also </b><a href="qradiotuner.html#errorString">errorString</a>().</p>
<!-- @@@error -->
<!-- $$$error$$$errorQRadioTuner::Error -->
<h3 class="fn"><a name="error-2"></a><span class="type">void</span> QRadioTuner::<span class="name">error</span>(<span class="type"><a href="qradiotuner.html#Error-enum">QRadioTuner::Error</a></span><i> error</i>)<tt> [signal]</tt></h3>
<p>Signals that an <i>error</i> occurred.</p>
<!-- @@@error -->
<!-- $$$errorString[overload1]$$$errorString -->
<h3 class="fn"><a name="errorString"></a><span class="type">QString</span> QRadioTuner::<span class="name">errorString</span>() const</h3>
<p>Returns a description of a radio tuner's error state.</p>
<p><b>See also </b><a href="qradiotuner.html#error">error</a>().</p>
<!-- @@@errorString -->
<!-- $$$frequencyRange[overload1]$$$frequencyRangeBand -->
<h3 class="fn"><a name="frequencyRange"></a><span class="type">QPair</span>&lt;<span class="type">int</span>, <span class="type">int</span>&gt; QRadioTuner::<span class="name">frequencyRange</span>(<span class="type"><a href="qradiotuner.html#Band-enum">Band</a></span><i> band</i>) const</h3>
<p>Returns a frequency <i>band</i>'s minimum and maximum frequency.</p>
<!-- @@@frequencyRange -->
<!-- $$$frequencyStep[overload1]$$$frequencyStepBand -->
<h3 class="fn"><a name="frequencyStep"></a><span class="type">int</span> QRadioTuner::<span class="name">frequencyStep</span>(<span class="type"><a href="qradiotuner.html#Band-enum">Band</a></span><i> band</i>) const</h3>
<p>Returns the number of Hertz to increment the frequency by when stepping through frequencies within a given <i>band</i>.</p>
<!-- @@@frequencyStep -->
<!-- $$$isBandSupported[overload1]$$$isBandSupportedBand -->
<h3 class="fn"><a name="isBandSupported"></a><span class="type">bool</span> QRadioTuner::<span class="name">isBandSupported</span>(<span class="type"><a href="qradiotuner.html#Band-enum">Band</a></span><i> band</i>) const</h3>
<p>Identifies if a frequency <i>band</i> is supported by a radio tuner.</p>
<p>Returns true if the band is supported, and false if it is not.</p>
<!-- @@@isBandSupported -->
<!-- $$$searchAllStations[overload1]$$$searchAllStationsQRadioTuner::SearchMode -->
<h3 class="fn"><a name="searchAllStations"></a><span class="type">void</span> QRadioTuner::<span class="name">searchAllStations</span>(<span class="type"><a href="qradiotuner.html#SearchMode-enum">QRadioTuner::SearchMode</a></span><i> searchMode</i> = QRadioTuner::SearchFast)<tt> [slot]</tt></h3>
<p>Search all stations in current band</p>
<p>Emits QRadioTuner::stationFound(int, QString) for every found station. After searching is completed, QRadioTuner::searchingChanged(bool) is emitted (false). If <i>searchMode</i> is set to <a href="qradiotuner.html#SearchMode-enum">SearchGetStationId</a>, searching waits for station id (PI) on each frequency.</p>
<p><b>See also </b><a href="qradiotuner.html#searchForward">searchForward</a>(), <a href="qradiotuner.html#searchBackward">searchBackward</a>(), and <a href="qradiotuner.html#searching-prop">searching</a>.</p>
<!-- @@@searchAllStations -->
<!-- $$$searchBackward[overload1]$$$searchBackward -->
<h3 class="fn"><a name="searchBackward"></a><span class="type">void</span> QRadioTuner::<span class="name">searchBackward</span>()<tt> [slot]</tt></h3>
<p>Starts a backwards scan for a signal, starting from the current <a href="qradiotuner.html#frequency-prop">frequency</a>.</p>
<p><b>See also </b><a href="qradiotuner.html#searchForward">searchForward</a>(), <a href="qradiotuner.html#cancelSearch">cancelSearch</a>(), and <a href="qradiotuner.html#searching-prop">searching</a>.</p>
<!-- @@@searchBackward -->
<!-- $$$searchForward[overload1]$$$searchForward -->
<h3 class="fn"><a name="searchForward"></a><span class="type">void</span> QRadioTuner::<span class="name">searchForward</span>()<tt> [slot]</tt></h3>
<p>Starts a forward scan for a signal, starting from the current <a href="qradiotuner.html#frequency-prop">frequency</a>.</p>
<p><b>See also </b><a href="qradiotuner.html#searchBackward">searchBackward</a>(), <a href="qradiotuner.html#cancelSearch">cancelSearch</a>(), and <a href="qradiotuner.html#searching-prop">searching</a>.</p>
<!-- @@@searchForward -->
<!-- $$$start[overload1]$$$start -->
<h3 class="fn"><a name="start"></a><span class="type">void</span> QRadioTuner::<span class="name">start</span>()<tt> [slot]</tt></h3>
<p>Activate the radio device.</p>
<!-- @@@start -->
<!-- $$$stationFound[overload1]$$$stationFoundintQString -->
<h3 class="fn"><a name="stationFound"></a><span class="type">void</span> QRadioTuner::<span class="name">stationFound</span>(<span class="type">int</span><i> frequency</i>, <span class="type">QString</span><i> stationId</i>)<tt> [signal]</tt></h3>
<p>Signals that a station was found in <i>frequency</i> with <i>stationId</i> Program Identification code.</p>
<!-- @@@stationFound -->
<!-- $$$stop[overload1]$$$stop -->
<h3 class="fn"><a name="stop"></a><span class="type">void</span> QRadioTuner::<span class="name">stop</span>()<tt> [slot]</tt></h3>
<p>Deactivate the radio device.</p>
<!-- @@@stop -->
</div>
        </div>
       </div>
   </div>
   </div>
</div>
<div class="footer">
   <p>
   <acronym title="Copyright">&copy;</acronym> 2013 Digia Plc and/or its
   subsidiaries. Documentation contributions included herein are the copyrights of
   their respective owners.<br>    The documentation provided herein is licensed under the terms of the    <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation    License version 1.3</a> as published by the Free Software Foundation.<br>    Digia, Qt and their respective logos are trademarks of Digia Plc     in Finland and/or other countries worldwide. All other trademarks are property
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