<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<!-- qmediaplayercontrol.cpp -->
<title>QMediaPlayerControl Class | 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-modules.html">C++ Classes</a></td><td >QMediaPlayerControl</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="#public-functions">Public Functions</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>
</ul>
</div>
<div class="sidebar-content" id="sidebar-content"></div></div>
<h1 class="title">QMediaPlayerControl Class</h1>
<!-- $$$QMediaPlayerControl-brief -->
<p>The <a href="qmediaplayercontrol.html">QMediaPlayerControl</a> class provides access to the media playing functionality of a <a href="qmediaservice.html">QMediaService</a>. <a href="#details">More...</a></p>
<!-- @@@QMediaPlayerControl -->
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <QMediaPlayerControl></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="qmediaplayercontrol-members.html">List of all members, including inherited members</a></li>
</ul>
<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="qmediaplayercontrol.html#dtor.QMediaPlayerControl">~QMediaPlayerControl</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QMediaTimeRange </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#availablePlaybackRanges">availablePlaybackRanges</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual int </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#bufferStatus">bufferStatus</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual qint64 </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#duration">duration</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual bool </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#isAudioAvailable">isAudioAvailable</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual bool </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#isMuted">isMuted</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual bool </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#isSeekable">isSeekable</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual bool </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#isVideoAvailable">isVideoAvailable</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QMediaContent </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#media">media</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QMediaPlayer::MediaStatus </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#mediaStatus">mediaStatus</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual const QIODevice *</td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#mediaStream">mediaStream</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#pause">pause</a></b>() = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#play">play</a></b>() = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual qreal </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#playbackRate">playbackRate</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual qint64 </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#position">position</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#setMedia">setMedia</a></b>(const QMediaContent &<i>media</i>, QIODevice *<i>stream</i>) = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#setMuted">setMuted</a></b>(bool <i>mute</i>) = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#setPlaybackRate">setPlaybackRate</a></b>(qreal <i>rate</i>) = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#setPosition">setPosition</a></b>(qint64 <i>position</i>) = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#setVolume">setVolume</a></b>(int <i>volume</i>) = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual QMediaPlayer::State </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#state">state</a></b>() const = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#stop">stop</a></b>() = 0</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual int </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#volume">volume</a></b>() const = 0</td></tr>
</table></div>
<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="qmediaplayercontrol.html#audioAvailableChanged">audioAvailableChanged</a></b>(bool <i>audioAvailable</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#availablePlaybackRangesChanged">availablePlaybackRangesChanged</a></b>(const QMediaTimeRange &<i>ranges</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#bufferStatusChanged">bufferStatusChanged</a></b>(int <i>percentFilled</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#durationChanged">durationChanged</a></b>(qint64 <i>duration</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#error">error</a></b>(int <i>error</i>, const QString &<i>errorString</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#mediaChanged">mediaChanged</a></b>(const QMediaContent &<i>content</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#mediaStatusChanged">mediaStatusChanged</a></b>(QMediaPlayer::MediaStatus <i>status</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#mutedChanged">mutedChanged</a></b>(bool <i>mute</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#playbackRateChanged">playbackRateChanged</a></b>(qreal <i>rate</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#positionChanged">positionChanged</a></b>(qint64 <i>position</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#seekableChanged">seekableChanged</a></b>(bool <i>seekable</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#stateChanged">stateChanged</a></b>(QMediaPlayer::State <i>newState</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#videoAvailableChanged">videoAvailableChanged</a></b>(bool <i>videoAvailable</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#volumeChanged">volumeChanged</a></b>(int <i>volume</i>)</td></tr>
</table></div>
<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="qmediaplayercontrol.html#staticMetaObject-var">staticMetaObject</a></b></td></tr>
</table></div>
<a name="protected-functions"></a>
<h2 id="protected-functions">Protected Functions</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#QMediaPlayerControl">QMediaPlayerControl</a></b>(QObject *<i>parent</i> = nullptr)</td></tr>
</table></div>
<a name="macros"></a>
<h2 id="macros">Macros</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qmediaplayercontrol.html#QMediaPlayerControl_iid">QMediaPlayerControl_iid</a></b></td></tr>
</table></div>
<a name="details"></a>
<!-- $$$QMediaPlayerControl-description -->
<div class="descr">
<h2 id="details">Detailed Description</h2>
<p>The <a href="qmediaplayercontrol.html">QMediaPlayerControl</a> class provides access to the media playing functionality of a <a href="qmediaservice.html">QMediaService</a>.</p>
<p>If a <a href="qmediaservice.html">QMediaService</a> can play media is will implement <a href="qmediaplayercontrol.html">QMediaPlayerControl</a>. This control provides a means to set the <a href="qmediaplayercontrol.html#setMedia">media</a> to play, <a href="qmediaplayercontrol.html#play">start</a>, <a href="qmediaplayercontrol.html#pause">pause</a> and <a href="qmediaplayercontrol.html#stop">stop</a> playback, <a href="qmediaplayercontrol.html#setPosition">seek</a>, and control the <a href="qmediaplayercontrol.html#setVolume">volume</a>. It also provides feedback on the <a href="qmediaplayercontrol.html#duration">duration</a> of the media, the current <a href="qmediaplayercontrol.html#position">position</a>, and <a href="qmediaplayercontrol.html#bufferStatus">buffering</a> progress.</p>
<p>The functionality provided by this control is exposed to application code through the <a href="qmediaplayer.html">QMediaPlayer</a> class.</p>
<p>The interface name of <a href="qmediaplayercontrol.html">QMediaPlayerControl</a> is <code>org.qt-project.qt.mediaplayercontrol/5.0</code> as defined in <a href="qmediaplayercontrol.html#QMediaPlayerControl_iid">QMediaPlayerControl_iid</a>.</p>
</div>
<p><b>See also </b><a href="qmediaservice.html#requestControl-1">QMediaService::requestControl</a>() and <a href="qmediaplayer.html">QMediaPlayer</a>.</p>
<!-- @@@QMediaPlayerControl -->
<div class="func">
<h2>Member Function Documentation</h2>
<!-- $$$QMediaPlayerControl[overload1]$$$QMediaPlayerControlQObject* -->
<h3 class="fn" id="QMediaPlayerControl"><a name="QMediaPlayerControl"></a><code>[protected] </code>QMediaPlayerControl::<span class="name">QMediaPlayerControl</span>(<span class="type">QObject</span> *<i>parent</i> = nullptr)</h3>
<p>Constructs a new media player control with the given <i>parent</i>.</p>
<!-- @@@QMediaPlayerControl -->
<!-- $$$~QMediaPlayerControl[overload1]$$$~QMediaPlayerControl -->
<h3 class="fn" id="dtor.QMediaPlayerControl"><a name="dtor.QMediaPlayerControl"></a><code>[virtual] </code>QMediaPlayerControl::<span class="name">~QMediaPlayerControl</span>()</h3>
<p>Destroys a media player control.</p>
<!-- @@@~QMediaPlayerControl -->
<!-- $$$audioAvailableChanged[overload1]$$$audioAvailableChangedbool -->
<h3 class="fn" id="audioAvailableChanged"><a name="audioAvailableChanged"></a><code>[signal] </code><span class="type">void</span> QMediaPlayerControl::<span class="name">audioAvailableChanged</span>(<span class="type">bool</span> <i>audioAvailable</i>)</h3>
<p>Signals that there has been a change in the availability of audio output <i>audioAvailable</i>.</p>
<p><b>See also </b><a href="qmediaplayercontrol.html#isAudioAvailable">isAudioAvailable</a>().</p>
<!-- @@@audioAvailableChanged -->
<!-- $$$availablePlaybackRanges[overload1]$$$availablePlaybackRanges -->
<h3 class="fn" id="availablePlaybackRanges"><a name="availablePlaybackRanges"></a><code>[pure virtual] </code><span class="type"><a href="qmediatimerange.html">QMediaTimeRange</a></span> QMediaPlayerControl::<span class="name">availablePlaybackRanges</span>() const</h3>
<p>Returns a range of times in milliseconds that can be played back.</p>
<p>Usually for local files this is a continuous interval equal to [0..<a href="qmediaplayercontrol.html#duration">duration</a>()] or an empty time range if seeking is not supported, but for network sources it refers to the buffered parts of the media.</p>
<!-- @@@availablePlaybackRanges -->
<!-- $$$availablePlaybackRangesChanged[overload1]$$$availablePlaybackRangesChangedconstQMediaTimeRange& -->
<h3 class="fn" id="availablePlaybackRangesChanged"><a name="availablePlaybackRangesChanged"></a><code>[signal] </code><span class="type">void</span> QMediaPlayerControl::<span class="name">availablePlaybackRangesChanged</span>(const <span class="type"><a href="qmediatimerange.html">QMediaTimeRange</a></span> &<i>ranges</i>)</h3>
<p>Signals that the available media playback <i>ranges</i> have changed.</p>
<p><b>See also </b><a href="qmediaplayercontrol.html#availablePlaybackRanges">QMediaPlayerControl::availablePlaybackRanges</a>().</p>
<!-- @@@availablePlaybackRangesChanged -->
<!-- $$$bufferStatus[overload1]$$$bufferStatus -->
<h3 class="fn" id="bufferStatus"><a name="bufferStatus"></a><code>[pure virtual] </code><span class="type">int</span> QMediaPlayerControl::<span class="name">bufferStatus</span>() const</h3>
<p>Returns the buffering progress of the current media. Progress is measured in the percentage of the buffer filled.</p>
<!-- @@@bufferStatus -->
<!-- $$$bufferStatusChanged[overload1]$$$bufferStatusChangedint -->
<h3 class="fn" id="bufferStatusChanged"><a name="bufferStatusChanged"></a><code>[signal] </code><span class="type">void</span> QMediaPlayerControl::<span class="name">bufferStatusChanged</span>(<span class="type">int</span> <i>percentFilled</i>)</h3>
<p>Signal the amount of the local buffer filled as a percentage by <i>percentFilled</i>.</p>
<p><b>See also </b><a href="qmediaplayercontrol.html#bufferStatus">bufferStatus</a>().</p>
<!-- @@@bufferStatusChanged -->
<!-- $$$duration[overload1]$$$duration -->
<h3 class="fn" id="duration"><a name="duration"></a><code>[pure virtual] </code><span class="type">qint64</span> QMediaPlayerControl::<span class="name">duration</span>() const</h3>
<p>Returns the duration of the current media in milliseconds.</p>
<!-- @@@duration -->
<!-- $$$durationChanged[overload1]$$$durationChangedqint64 -->
<h3 class="fn" id="durationChanged"><a name="durationChanged"></a><code>[signal] </code><span class="type">void</span> QMediaPlayerControl::<span class="name">durationChanged</span>(<span class="type">qint64</span> <i>duration</i>)</h3>
<p>Signals that the <i>duration</i> of the current media has changed.</p>
<p><b>See also </b><a href="qmediaplayercontrol.html#duration">duration</a>().</p>
<!-- @@@durationChanged -->
<!-- $$$error[overload1]$$$errorintconstQString& -->
<h3 class="fn" id="error"><a name="error"></a><code>[signal] </code><span class="type">void</span> QMediaPlayerControl::<span class="name">error</span>(<span class="type">int</span> <i>error</i>, const <span class="type">QString</span> &<i>errorString</i>)</h3>
<p>Signals that an <i>error</i> has occurred. The <i>errorString</i> provides a more detailed explanation.</p>
<!-- @@@error -->
<!-- $$$isAudioAvailable[overload1]$$$isAudioAvailable -->
<h3 class="fn" id="isAudioAvailable"><a name="isAudioAvailable"></a><code>[pure virtual] </code><span class="type">bool</span> QMediaPlayerControl::<span class="name">isAudioAvailable</span>() const</h3>
<p>Identifies if there is audio output available for the current media.</p>
<p>Returns true if audio output is available and false otherwise.</p>
<!-- @@@isAudioAvailable -->
<!-- $$$isMuted[overload1]$$$isMuted -->
<h3 class="fn" id="isMuted"><a name="isMuted"></a><code>[pure virtual] </code><span class="type">bool</span> QMediaPlayerControl::<span class="name">isMuted</span>() const</h3>
<p>Returns the mute state of a player control.</p>
<!-- @@@isMuted -->
<!-- $$$isSeekable[overload1]$$$isSeekable -->
<h3 class="fn" id="isSeekable"><a name="isSeekable"></a><code>[pure virtual] </code><span class="type">bool</span> QMediaPlayerControl::<span class="name">isSeekable</span>() const</h3>
<p>Identifies if the current media is seekable.</p>
<p>Returns true if it possible to seek within the current media, and false otherwise.</p>
<!-- @@@isSeekable -->
<!-- $$$isVideoAvailable[overload1]$$$isVideoAvailable -->
<h3 class="fn" id="isVideoAvailable"><a name="isVideoAvailable"></a><code>[pure virtual] </code><span class="type">bool</span> QMediaPlayerControl::<span class="name">isVideoAvailable</span>() const</h3>
<p>Identifies if there is video output available for the current media.</p>
<p>Returns true if video output is available and false otherwise.</p>
<!-- @@@isVideoAvailable -->
<!-- $$$media[overload1]$$$media -->
<h3 class="fn" id="media"><a name="media"></a><code>[pure virtual] </code><span class="type"><a href="qmediacontent.html">QMediaContent</a></span> QMediaPlayerControl::<span class="name">media</span>() const</h3>
<p>Returns the current media source.</p>
<p><b>See also </b><a href="qmediaplayercontrol.html#setMedia">setMedia</a>().</p>
<!-- @@@media -->
<!-- $$$mediaChanged[overload1]$$$mediaChangedconstQMediaContent& -->
<h3 class="fn" id="mediaChanged"><a name="mediaChanged"></a><code>[signal] </code><span class="type">void</span> QMediaPlayerControl::<span class="name">mediaChanged</span>(const <span class="type"><a href="qmediacontent.html">QMediaContent</a></span> &<i>content</i>)</h3>
<p>Signals that the current media <i>content</i> has changed.</p>
<!-- @@@mediaChanged -->
<!-- $$$mediaStatus[overload1]$$$mediaStatus -->
<h3 class="fn" id="mediaStatus"><a name="mediaStatus"></a><code>[pure virtual] </code><span class="type"><a href="qmediaplayer.html#MediaStatus-enum">QMediaPlayer::MediaStatus</a></span> QMediaPlayerControl::<span class="name">mediaStatus</span>() const</h3>
<p>Returns the status of the current media.</p>
<!-- @@@mediaStatus -->
<!-- $$$mediaStatusChanged[overload1]$$$mediaStatusChangedQMediaPlayer::MediaStatus -->
<h3 class="fn" id="mediaStatusChanged"><a name="mediaStatusChanged"></a><code>[signal] </code><span class="type">void</span> QMediaPlayerControl::<span class="name">mediaStatusChanged</span>(<span class="type"><a href="qmediaplayer.html#MediaStatus-enum">QMediaPlayer::MediaStatus</a></span> <i>status</i>)</h3>
<p>Signals that the <i>status</i> of the current media has changed.</p>
<p><b>See also </b><a href="qmediaplayercontrol.html#mediaStatus">mediaStatus</a>().</p>
<!-- @@@mediaStatusChanged -->
<!-- $$$mediaStream[overload1]$$$mediaStream -->
<h3 class="fn" id="mediaStream"><a name="mediaStream"></a><code>[pure virtual] </code>const <span class="type">QIODevice</span> *QMediaPlayerControl::<span class="name">mediaStream</span>() const</h3>
<p>Returns the current media stream. This is only a valid if a stream was passed to <a href="qmediaplayercontrol.html#setMedia">setMedia</a>().</p>
<p><b>See also </b><a href="qmediaplayercontrol.html#setMedia">setMedia</a>().</p>
<!-- @@@mediaStream -->
<!-- $$$mutedChanged[overload1]$$$mutedChangedbool -->
<h3 class="fn" id="mutedChanged"><a name="mutedChanged"></a><code>[signal] </code><span class="type">void</span> QMediaPlayerControl::<span class="name">mutedChanged</span>(<span class="type">bool</span> <i>mute</i>)</h3>
<p>Signals a change in the <i>mute</i> status of a player control.</p>
<p><b>See also </b><a href="qmediaplayercontrol.html#isMuted">isMuted</a>().</p>
<!-- @@@mutedChanged -->
<!-- $$$pause[overload1]$$$pause -->
<h3 class="fn" id="pause"><a name="pause"></a><code>[pure virtual] </code><span class="type">void</span> QMediaPlayerControl::<span class="name">pause</span>()</h3>
<p>Pauses playback of the current media.</p>
<p>If successful the player control will immediately enter the <a href="qmediaplayer.html#State-enum">paused</a> state.</p>
<p><b>See also </b><a href="qmediaplayercontrol.html#state">state</a>(), <a href="qmediaplayercontrol.html#play">play</a>(), and <a href="qmediaplayercontrol.html#stop">stop</a>().</p>
<!-- @@@pause -->
<!-- $$$play[overload1]$$$play -->
<h3 class="fn" id="play"><a name="play"></a><code>[pure virtual] </code><span class="type">void</span> QMediaPlayerControl::<span class="name">play</span>()</h3>
<p>Starts playback of the current media.</p>
<p>If successful the player control will immediately enter the <a href="qmediaplayer.html#State-enum">playing</a> state.</p>
<p><b>See also </b><a href="qmediaplayercontrol.html#state">state</a>().</p>
<!-- @@@play -->
<!-- $$$playbackRate[overload1]$$$playbackRate -->
<h3 class="fn" id="playbackRate"><a name="playbackRate"></a><code>[pure virtual] </code><span class="type">qreal</span> QMediaPlayerControl::<span class="name">playbackRate</span>() const</h3>
<p>Returns the rate of playback.</p>
<p><b>See also </b><a href="qmediaplayercontrol.html#setPlaybackRate">setPlaybackRate</a>().</p>
<!-- @@@playbackRate -->
<!-- $$$playbackRateChanged[overload1]$$$playbackRateChangedqreal -->
<h3 class="fn" id="playbackRateChanged"><a name="playbackRateChanged"></a><code>[signal] </code><span class="type">void</span> QMediaPlayerControl::<span class="name">playbackRateChanged</span>(<span class="type">qreal</span> <i>rate</i>)</h3>
<p>Signal emitted when playback rate changes to <i>rate</i>.</p>
<!-- @@@playbackRateChanged -->
<!-- $$$position[overload1]$$$position -->
<h3 class="fn" id="position"><a name="position"></a><code>[pure virtual] </code><span class="type">qint64</span> QMediaPlayerControl::<span class="name">position</span>() const</h3>
<p>Returns the current playback position in milliseconds.</p>
<p><b>See also </b><a href="qmediaplayercontrol.html#setPosition">setPosition</a>().</p>
<!-- @@@position -->
<!-- $$$positionChanged[overload1]$$$positionChangedqint64 -->
<h3 class="fn" id="positionChanged"><a name="positionChanged"></a><code>[signal] </code><span class="type">void</span> QMediaPlayerControl::<span class="name">positionChanged</span>(<span class="type">qint64</span> <i>position</i>)</h3>
<p>Signals the playback <i>position</i> has changed.</p>
<p>This is only emitted in when there has been a discontinous change in the playback postion, such as a seek or the position being reset.</p>
<p><b>See also </b><a href="qmediaplayercontrol.html#position">position</a>().</p>
<!-- @@@positionChanged -->
<!-- $$$seekableChanged[overload1]$$$seekableChangedbool -->
<h3 class="fn" id="seekableChanged"><a name="seekableChanged"></a><code>[signal] </code><span class="type">void</span> QMediaPlayerControl::<span class="name">seekableChanged</span>(<span class="type">bool</span> <i>seekable</i>)</h3>
<p>Signals that the <i>seekable</i> state of a player control has changed.</p>
<p><b>See also </b><a href="qmediaplayercontrol.html#isSeekable">isSeekable</a>().</p>
<!-- @@@seekableChanged -->
<!-- $$$setMedia[overload1]$$$setMediaconstQMediaContent&QIODevice* -->
<h3 class="fn" id="setMedia"><a name="setMedia"></a><code>[pure virtual] </code><span class="type">void</span> QMediaPlayerControl::<span class="name">setMedia</span>(const <span class="type"><a href="qmediacontent.html">QMediaContent</a></span> &<i>media</i>, <span class="type">QIODevice</span> *<i>stream</i>)</h3>
<p>Sets the current <i>media</i> source. If a <i>stream</i> is supplied; data will be read from that instead of attempting to resolve the media source. The media source may still be used to supply media information such as mime type.</p>
<p>Setting the media to a null <a href="qmediacontent.html">QMediaContent</a> will cause the control to discard all information relating to the current media source and to cease all I/O operations related to that media.</p>
<p>Qt resource files are never passed as is. If the service supports <a href="qmediaserviceproviderhint.html#Feature-enum">QMediaServiceProviderHint::StreamPlayback</a>, a <i>stream</i> is supplied, pointing to an opened QFile. Otherwise, the resource is copied into a temporary file and <i>media</i> contains the url to that file.</p>
<p><b>See also </b><a href="qmediaplayercontrol.html#media">media</a>().</p>
<!-- @@@setMedia -->
<!-- $$$setMuted[overload1]$$$setMutedbool -->
<h3 class="fn" id="setMuted"><a name="setMuted"></a><code>[pure virtual] </code><span class="type">void</span> QMediaPlayerControl::<span class="name">setMuted</span>(<span class="type">bool</span> <i>mute</i>)</h3>
<p>Sets the <i>mute</i> state of a player control.</p>
<p><b>See also </b><a href="qmediaplayercontrol.html#isMuted">isMuted</a>().</p>
<!-- @@@setMuted -->
<!-- $$$setPlaybackRate[overload1]$$$setPlaybackRateqreal -->
<h3 class="fn" id="setPlaybackRate"><a name="setPlaybackRate"></a><code>[pure virtual] </code><span class="type">void</span> QMediaPlayerControl::<span class="name">setPlaybackRate</span>(<span class="type">qreal</span> <i>rate</i>)</h3>
<p>Sets the <i>rate</i> of playback.</p>
<p><b>See also </b><a href="qmediaplayercontrol.html#playbackRate">playbackRate</a>().</p>
<!-- @@@setPlaybackRate -->
<!-- $$$setPosition[overload1]$$$setPositionqint64 -->
<h3 class="fn" id="setPosition"><a name="setPosition"></a><code>[pure virtual] </code><span class="type">void</span> QMediaPlayerControl::<span class="name">setPosition</span>(<span class="type">qint64</span> <i>position</i>)</h3>
<p>Sets the playback <i>position</i> of the current media. This will initiate a seek and it may take some time for playback to reach the position set.</p>
<p><b>See also </b><a href="qmediaplayercontrol.html#position">position</a>().</p>
<!-- @@@setPosition -->
<!-- $$$setVolume[overload1]$$$setVolumeint -->
<h3 class="fn" id="setVolume"><a name="setVolume"></a><code>[pure virtual] </code><span class="type">void</span> QMediaPlayerControl::<span class="name">setVolume</span>(<span class="type">int</span> <i>volume</i>)</h3>
<p>Sets the audio <i>volume</i> of a player control.</p>
<p>The volume is scaled linearly, ranging from <code>0</code> (silence) to <code>100</code> (full volume).</p>
<p><b>See also </b><a href="qmediaplayercontrol.html#volume">volume</a>().</p>
<!-- @@@setVolume -->
<!-- $$$state[overload1]$$$state -->
<h3 class="fn" id="state"><a name="state"></a><code>[pure virtual] </code><span class="type"><a href="qmediaplayer.html#State-enum">QMediaPlayer::State</a></span> QMediaPlayerControl::<span class="name">state</span>() const</h3>
<p>Returns the state of a player control.</p>
<!-- @@@state -->
<!-- $$$stateChanged[overload1]$$$stateChangedQMediaPlayer::State -->
<h3 class="fn" id="stateChanged"><a name="stateChanged"></a><code>[signal] </code><span class="type">void</span> QMediaPlayerControl::<span class="name">stateChanged</span>(<span class="type"><a href="qmediaplayer.html#State-enum">QMediaPlayer::State</a></span> <i>newState</i>)</h3>
<p>Signals that the state of a player control has changed to <i>newState</i>.</p>
<p><b>See also </b><a href="qmediaplayercontrol.html#state">state</a>().</p>
<!-- @@@stateChanged -->
<!-- $$$stop[overload1]$$$stop -->
<h3 class="fn" id="stop"><a name="stop"></a><code>[pure virtual] </code><span class="type">void</span> QMediaPlayerControl::<span class="name">stop</span>()</h3>
<p>Stops playback of the current media.</p>
<p>If successful the player control will immediately enter the <a href="qmediaplayer.html#State-enum">stopped</a> state.</p>
<!-- @@@stop -->
<!-- $$$videoAvailableChanged[overload1]$$$videoAvailableChangedbool -->
<h3 class="fn" id="videoAvailableChanged"><a name="videoAvailableChanged"></a><code>[signal] </code><span class="type">void</span> QMediaPlayerControl::<span class="name">videoAvailableChanged</span>(<span class="type">bool</span> <i>videoAvailable</i>)</h3>
<p>Signal that the availability of visual content has changed to <i>videoAvailable</i>.</p>
<p><b>See also </b><a href="qmediaplayercontrol.html#isVideoAvailable">isVideoAvailable</a>().</p>
<!-- @@@videoAvailableChanged -->
<!-- $$$volume[overload1]$$$volume -->
<h3 class="fn" id="volume"><a name="volume"></a><code>[pure virtual] </code><span class="type">int</span> QMediaPlayerControl::<span class="name">volume</span>() const</h3>
<p>Returns the audio volume of a player control.</p>
<p><b>See also </b><a href="qmediaplayercontrol.html#setVolume">setVolume</a>().</p>
<!-- @@@volume -->
<!-- $$$volumeChanged[overload1]$$$volumeChangedint -->
<h3 class="fn" id="volumeChanged"><a name="volumeChanged"></a><code>[signal] </code><span class="type">void</span> QMediaPlayerControl::<span class="name">volumeChanged</span>(<span class="type">int</span> <i>volume</i>)</h3>
<p>Signals the audio <i>volume</i> of a player control has changed.</p>
<p><b>See also </b><a href="qmediaplayercontrol.html#volume">volume</a>().</p>
<!-- @@@volumeChanged -->
</div>
<div class="macros">
<h2>Macro Documentation</h2>
<!-- $$$QMediaPlayerControl_iid[overload1]$$$QMediaPlayerControl_iid -->
<h3 class="fn" id="QMediaPlayerControl_iid"><a name="QMediaPlayerControl_iid"></a><span class="name">QMediaPlayerControl_iid</span></h3>
<p><code>org.qt-project.qt.mediaplayercontrol/5.0</code></p>
<p>Defines the interface name of the <a href="qmediaplayercontrol.html">QMediaPlayerControl</a> class.</p>
<!-- @@@QMediaPlayerControl_iid -->
</div>
</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>
distrib
>
Mageia
>
7
>
i586
>
media
>
core-updates
>
by-pkgid
>
1680fb88efc4e76ac8cb0ebf3578014f
>
files
>
211
