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<li>Qt 5.2</li>
<li><a href="qtmultimedia-index.html">Qt Multimedia</a></li>
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Qt 5.2.1 Reference Documentation</li>
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<h3><a name="toc">Contents</a></h3>
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<li class="level1"><a href="#types">Types</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
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<h1 class="title">QMultimedia Namespace</h1>
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<p>The QMultimedia namespace contains miscellaneous identifiers used throughout the Qt Multimedia library. <a href="#details">More...</a></p>
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<tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> </b><tt><span class="preprocessor">#include <QMultimedia></span>
</tt></td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> <tt>QT += multimedia</tt></td></tr></table><ul>
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<h2>Types</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> enum </td><td class="memItemRight bottomAlign"><b><a href="qmultimedia.html#AvailabilityStatus-enum">AvailabilityStatus</a></b> { Available, ServiceMissing, ResourceError, Busy }</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> enum </td><td class="memItemRight bottomAlign"><b><a href="qmultimedia.html#EncodingMode-enum">EncodingMode</a></b> { ConstantQualityEncoding, ConstantBitRateEncoding, AverageBitRateEncoding, TwoPassEncoding }</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> enum </td><td class="memItemRight bottomAlign"><b><a href="qmultimedia.html#EncodingQuality-enum">EncodingQuality</a></b> { VeryLowQuality, LowQuality, NormalQuality, HighQuality, VeryHighQuality }</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> enum </td><td class="memItemRight bottomAlign"><b><a href="qmultimedia.html#SupportEstimate-enum">SupportEstimate</a></b> { NotSupported, MaybeSupported, ProbablySupported, PreferredService }</td></tr>
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<h2>Detailed Description</h2>
<p>The QMultimedia namespace contains miscellaneous identifiers used throughout the Qt Multimedia library.</p>
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<h2>Type Documentation</h2>
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<h3 class="fn"><a name="AvailabilityStatus-enum"></a>enum QMultimedia::<span class="name">AvailabilityStatus</span></h3>
<p>Enumerates Service status errors.</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>QMultimedia::Available</tt></td><td class="topAlign"><tt>0</tt></td><td class="topAlign">The service is operating correctly.</td></tr>
<tr><td class="topAlign"><tt>QMultimedia::ServiceMissing</tt></td><td class="topAlign"><tt>1</tt></td><td class="topAlign">There is no service available to provide the requested functionality.</td></tr>
<tr><td class="topAlign"><tt>QMultimedia::ResourceError</tt></td><td class="topAlign"><tt>3</tt></td><td class="topAlign">The service could not allocate resources required to function correctly.</td></tr>
<tr><td class="topAlign"><tt>QMultimedia::Busy</tt></td><td class="topAlign"><tt>2</tt></td><td class="topAlign">The service must wait for access to necessary resources.</td></tr>
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<h3 class="fn"><a name="EncodingMode-enum"></a>enum QMultimedia::<span class="name">EncodingMode</span></h3>
<p>Enumerates encoding modes.</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>QMultimedia::ConstantQualityEncoding</tt></td><td class="topAlign"><tt>0</tt></td><td class="topAlign">Encoding will aim to have a constant quality, adjusting bitrate to fit.</td></tr>
<tr><td class="topAlign"><tt>QMultimedia::ConstantBitRateEncoding</tt></td><td class="topAlign"><tt>1</tt></td><td class="topAlign">Encoding will use a constant bit rate, adjust quality to fit.</td></tr>
<tr><td class="topAlign"><tt>QMultimedia::AverageBitRateEncoding</tt></td><td class="topAlign"><tt>2</tt></td><td class="topAlign">Encoding will try to keep an average bitrate setting, but will use more or less as needed.</td></tr>
<tr><td class="topAlign"><tt>QMultimedia::TwoPassEncoding</tt></td><td class="topAlign"><tt>3</tt></td><td class="topAlign">The media will first be processed to determine the characteristics, and then processed a second time allocating more bits to the areas that need it.</td></tr>
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<h3 class="fn"><a name="EncodingQuality-enum"></a>enum QMultimedia::<span class="name">EncodingQuality</span></h3>
<p>Enumerates quality encoding levels.</p>
<table class="valuelist"><tr><th class="tblConst">Constant</th><th class="tblVal">Value</th></tr>
<tr><td class="topAlign"><tt>QMultimedia::VeryLowQuality</tt></td><td class="topAlign"><tt>0</tt></td></tr>
<tr><td class="topAlign"><tt>QMultimedia::LowQuality</tt></td><td class="topAlign"><tt>1</tt></td></tr>
<tr><td class="topAlign"><tt>QMultimedia::NormalQuality</tt></td><td class="topAlign"><tt>2</tt></td></tr>
<tr><td class="topAlign"><tt>QMultimedia::HighQuality</tt></td><td class="topAlign"><tt>3</tt></td></tr>
<tr><td class="topAlign"><tt>QMultimedia::VeryHighQuality</tt></td><td class="topAlign"><tt>4</tt></td></tr>
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<h3 class="fn"><a name="SupportEstimate-enum"></a>enum QMultimedia::<span class="name">SupportEstimate</span></h3>
<p>Enumerates the levels of support a media service provider may have for a feature.</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>QMultimedia::NotSupported</tt></td><td class="topAlign"><tt>0</tt></td><td class="topAlign">The feature is not supported.</td></tr>
<tr><td class="topAlign"><tt>QMultimedia::MaybeSupported</tt></td><td class="topAlign"><tt>1</tt></td><td class="topAlign">The feature may be supported.</td></tr>
<tr><td class="topAlign"><tt>QMultimedia::ProbablySupported</tt></td><td class="topAlign"><tt>2</tt></td><td class="topAlign">The feature is probably supported.</td></tr>
<tr><td class="topAlign"><tt>QMultimedia::PreferredService</tt></td><td class="topAlign"><tt>3</tt></td><td class="topAlign">The service is the preferred provider of a service.</td></tr>
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