<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <!-- qdeclarative_audiolistener_p.cpp --> <title>AudioListener QML Type | Qt Multimedia 5.12.6</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <td >Qt 5.12</td><td ><a href="qtmultimedia-index.html">Qt Multimedia</a></td><td ><a href="qtmultimedia-qmlmodule.html">QML Types</a></td><td >AudioListener QML Type</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtmultimedia-index.html">Qt 5.12.6 Reference Documentation</a></td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"> <div class="toc"> <h3><a name="toc">Contents</a></h3> <ul> <li class="level1"><a href="#properties">Properties</a></li> <li class="level1"><a href="#details">Detailed Description</a></li> </ul> </div> <div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">AudioListener QML Type</h1> <span class="subtitle"></span> <!-- $$$AudioListener-brief --> <p>Control global listener parameters. <a href="#details">More...</a></p> <!-- @@@AudioListener --> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> Import Statement:</td><td class="memItemRight bottomAlign"> import QtAudioEngine 1.1</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Since:</td><td class="memItemRight bottomAlign"> Qt 5.0</td></tr></table></div><ul> <li><a href="qml-qtaudioengine-audiolistener-members.html">List of all members, including inherited members</a></li> </ul> <a name="properties"></a> <h2 id="properties">Properties</h2> <ul> <li class="fn"><b><b><a href="qml-qtaudioengine-audiolistener.html#direction-prop">direction</a></b></b> : vector3d</li> <li class="fn"><b><b><a href="qml-qtaudioengine-audiolistener.html#engine-prop">engine</a></b></b> : QtAudioEngine::AudioEngine</li> <li class="fn"><b><b><a href="qml-qtaudioengine-audiolistener.html#gain-prop">gain</a></b></b> : real</li> <li class="fn"><b><b><a href="qml-qtaudioengine-audiolistener.html#position-prop">position</a></b></b> : vector3d</li> <li class="fn"><b><b><a href="qml-qtaudioengine-audiolistener.html#up-prop">up</a></b></b> : vector3d</li> <li class="fn"><b><b><a href="qml-qtaudioengine-audiolistener.html#velocity-prop">velocity</a></b></b> : vector3d</li> </ul> <!-- $$$AudioListener-description --> <a name="details"></a> <h2 id="details">Detailed Description</h2> <p><a href="qml-qtaudioengine-audiolistener.html">AudioListener</a> will have only one global instance and you can either access it through the listener property of <a href="qml-qtaudioengine-audioengine.html">AudioEngine</a>:</p> <pre class="qml"> </pre> <p>or alternatively, by defining an <a href="qml-qtaudioengine-audiolistener.html">AudioListener</a> outside <a href="qml-qtaudioengine-audioengine.html">AudioEngine</a>:</p> <pre class="qml"> </pre> <p>This separate <a href="qml-qtaudioengine-audiolistener.html">AudioListener</a> definition is allowed to make QML bindings easier in some cases.</p> <!-- @@@AudioListener --> <h2>Property Documentation</h2> <!-- $$$direction --> <div class="qmlitem"><div class="qmlproto"> <div class="table"><table class="qmlname"> <tr valign="top" class="odd" id="direction-prop"> <td class="tblQmlPropNode"><p> <a name="direction-prop"></a><span class="name">direction</span> : <span class="type">vector3d</span></p></td></tr> </table></div> </div><div class="qmldoc"><p>This property holds the normalized 3D direction vector of the listener.</p> </div></div><!-- @@@direction --> <br/> <!-- $$$engine --> <div class="qmlitem"><div class="qmlproto"> <div class="table"><table class="qmlname"> <tr valign="top" class="odd" id="engine-prop"> <td class="tblQmlPropNode"><p> <a name="engine-prop"></a><span class="name">engine</span> : <span class="type"><a href="qml-qtaudioengine-audioengine.html">QtAudioEngine::AudioEngine</a></span></p></td></tr> </table></div> </div><div class="qmldoc"><p>This property holds the reference to <a href="qml-qtaudioengine-audioengine.html">AudioEngine</a>, and must only be set once.</p> </div></div><!-- @@@engine --> <br/> <!-- $$$gain --> <div class="qmlitem"><div class="qmlproto"> <div class="table"><table class="qmlname"> <tr valign="top" class="odd" id="gain-prop"> <td class="tblQmlPropNode"><p> <a name="gain-prop"></a><span class="name">gain</span> : <span class="type">real</span></p></td></tr> </table></div> </div><div class="qmldoc"><p>This property will modulate all audio output from audio engine instances.</p> </div></div><!-- @@@gain --> <br/> <!-- $$$position --> <div class="qmlitem"><div class="qmlproto"> <div class="table"><table class="qmlname"> <tr valign="top" class="odd" id="position-prop"> <td class="tblQmlPropNode"><p> <a name="position-prop"></a><span class="name">position</span> : <span class="type">vector3d</span></p></td></tr> </table></div> </div><div class="qmldoc"><p>This property holds the 3D position of the listener.</p> </div></div><!-- @@@position --> <br/> <!-- $$$up --> <div class="qmlitem"><div class="qmlproto"> <div class="table"><table class="qmlname"> <tr valign="top" class="odd" id="up-prop"> <td class="tblQmlPropNode"><p> <a name="up-prop"></a><span class="name">up</span> : <span class="type">vector3d</span></p></td></tr> </table></div> </div><div class="qmldoc"><p>This property holds the normalized 3D up vector of the listener.</p> </div></div><!-- @@@up --> <br/> <!-- $$$velocity --> <div class="qmlitem"><div class="qmlproto"> <div class="table"><table class="qmlname"> <tr valign="top" class="odd" id="velocity-prop"> <td class="tblQmlPropNode"><p> <a name="velocity-prop"></a><span class="name">velocity</span> : <span class="type">vector3d</span></p></td></tr> </table></div> </div><div class="qmldoc"><p>This property holds the 3D velocity vector of the listener.</p> </div></div><!-- @@@velocity --> <br/> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2019 The Qt Company Ltd. 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/> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. </p> </div> </body> </html>