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<td >Qt 5.9</td><td ><a href="qtmultimedia-index.html">Qt Multimedia</a></td><td ><a href="multimedia-examples.html">Qt Multimedia Examples</a></td><td >QML Video Example</td></tr></table><table class="buildversion"><tr>
<td id="buildversion" width="100%" align="right">Qt 5.9.5 Reference Documentation</td>
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<h3><a name="toc">Contents</a></h3>
<ul>
<li class="level1"><a href="#running-the-example">Running the Example</a></li>
<li class="level1"><a href="#application-structure">Application Structure</a></li>
<li class="level1"><a href="#calculating-and-displaying-qml-painting-rate">Calculating and Displaying QML Painting Rate</a></li>
</ul>
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<div class="sidebar-content" id="sidebar-content"></div></div>
<h1 class="title">QML Video Example</h1>
<span class="subtitle"></span>
<!-- $$$multimedia/video/qmlvideo-description -->
<div class="descr"> <a name="details"></a>
<p><i>QML Video</i> demonstrates the various transformations (move; resize; rotate; change aspect ratio) that can be applied to QML <a href="qml-qtmultimedia-videooutput.html">VideoOutput</a> and <a href="qml-multimedia.html#camera">Camera</a> types.</p>
<p>It also shows how native code can be combined with QML to implement more advanced functionality - in this case, C++ code is used to calculate the QML frame rate. This value is rendered in QML in a semi-transparent item overlaid on the video content.</p>
<p>The following image shows the application executing the video-overlay scene, which creates a dummy overlay item (just a semi-transparent Rectangle), which moves across the <a href="qml-qtmultimedia-videooutput.html">VideoOutput</a> item.</p>
<p class="centerAlign"><img src="images/qmlvideo-overlay.jpg" alt="" /></p><a name="running-the-example"></a>
<h2 id="running-the-example">Running the Example</h2>
<p>To run the example from Qt Creator, open the <b>Welcome</b> mode and select the example from <b>Examples</b>. For more information, visit Building and Running an Example.</p>
<a name="application-structure"></a>
<h2 id="application-structure">Application Structure</h2>
<p>The <a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-main-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/main.qml</a> file creates a UI which includes the following items:</p>
<ul>
<li>Two <a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-button-qml.html">Button</a> instances, each of which displays a filename, and can be used to launch a <a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-filebrowser-qml.html">FileBrowser</a></li>
<li>An exit <a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-button-qml.html">Button</a></li>
<li>A <a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-sceneselectionpanel-qml.html">SceneSelectionPanel</a>, which is a flickable list displaying the available scenes</li>
<li>At the lower left, an item which displays the QML repainting rate - the upper number is the instantaneous frame rate and the lower number is the average over the past second.</li>
</ul>
<p class="centerAlign"><img src="images/qmlvideo-menu.jpg" alt="" /></p><p>Each scene in the flickable list is implemented in its own QML file - for example the video-basic scene (which just displays a static <a href="qml-qtmultimedia-videooutput.html">VideoOutput</a> in the center of the screen) is implemented in the <a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-videobasic-qml.html">VideoBasic.qml</a> file. As you can see from the code, this makes use of a type of inheritance: a <a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-videobasic-qml.html">VideoBasic</a> item ...</p>
<pre class="qml">
import QtQuick 2.0
<span class="type">SceneBasic</span> {
<span class="name">contentType</span>: <span class="string">"video"</span>
}
</pre>
<p>... is-a <a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-scenebasic-qml.html">SceneBasic</a> ...</p>
<pre class="qml">
import QtQuick 2.0
<span class="type">Scene</span> {
<span class="name">id</span>: <span class="name">root</span>
property <span class="type">string</span> <span class="name">contentType</span>
...
<span class="type">Content</span> {
<span class="name">id</span>: <span class="name">content</span>
...
}
<span class="type">Text</span> {
<span class="type">anchors</span> {
<span class="name">horizontalCenter</span>: <span class="name">parent</span>.<span class="name">horizontalCenter</span>
<span class="name">bottom</span>: <span class="name">parent</span>.<span class="name">bottom</span>
<span class="name">margins</span>: <span class="number">20</span>
}
<span class="name">text</span>: <span class="name">content</span>.<span class="name">started</span> ? <span class="string">"Tap the screen to stop content"</span>
: <span class="string">"Tap the screen to start content"</span>
<span class="name">color</span>: <span class="string">"#e0e0e0"</span>
<span class="name">z</span>: <span class="number">2.0</span>
}
<span class="type">MouseArea</span> {
<span class="name">anchors</span>.fill: <span class="name">parent</span>
<span class="name">onClicked</span>: {
<span class="keyword">if</span> (<span class="name">content</span>.<span class="name">started</span>)
<span class="name">content</span>.<span class="name">stop</span>()
<span class="keyword">else</span>
<span class="name">content</span>.<span class="name">start</span>()
}
}
<span class="name">Component</span>.onCompleted: <span class="name">root</span>.<span class="name">content</span> <span class="operator">=</span> <span class="name">content</span>
}
</pre>
<p>... which is-a <a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-scene-qml.html">Scene</a>:</p>
<pre class="qml">
import QtQuick 2.0
<span class="type">Rectangle</span> {
<span class="name">id</span>: <span class="name">root</span>
...
property <span class="type">QtObject</span> <span class="name">content</span>
...
<span class="type">Button</span> {
<span class="name">id</span>: <span class="name">closeButton</span>
<span class="type">anchors</span> {
<span class="name">top</span>: <span class="name">parent</span>.<span class="name">top</span>
<span class="name">right</span>: <span class="name">parent</span>.<span class="name">right</span>
<span class="name">margins</span>: <span class="name">root</span>.<span class="name">margins</span>
}
<span class="name">width</span>: <span class="name">Math</span>.<span class="name">max</span>(<span class="name">parent</span>.<span class="name">width</span>, <span class="name">parent</span>.<span class="name">height</span>) <span class="operator">/</span> <span class="number">12</span>
<span class="name">height</span>: <span class="name">Math</span>.<span class="name">min</span>(<span class="name">parent</span>.<span class="name">width</span>, <span class="name">parent</span>.<span class="name">height</span>) <span class="operator">/</span> <span class="number">12</span>
<span class="name">z</span>: <span class="number">2.0</span>
<span class="name">bgColor</span>: <span class="string">"#212121"</span>
<span class="name">bgColorSelected</span>: <span class="string">"#757575"</span>
<span class="name">textColorSelected</span>: <span class="string">"white"</span>
<span class="name">text</span>: <span class="string">"Back"</span>
<span class="name">onClicked</span>: <span class="name">root</span>.<span class="name">close</span>()
}
}
</pre>
<p><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-scenebasic-qml.html">SceneBasic</a> describes the structure and behaviour of the scene, but is agnostic of the type of content which will be displayed - this is abstracted by <a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-content-qml.html">Content</a>.</p>
<p>This pattern allows us to define a particular use case (in this case, simply display a static piece of content), and then instantiate that use case for both video content (<a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-videobasic-qml.html">VideoBasic</a>) and camera content (<a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-camerabasic-qml.html">CameraBasic</a>). This approach is used to implement many of the other scenes - for example, "repeatedly slide the content from left to right and back again" is implemented by <a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-scenemove-qml.html">SceneMove</a>, on which <a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-videomove-qml.html">VideoMove</a> and <a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-cameramove-qml.html">CameraMove</a> are based.</p>
<p>Depending on the value of the contentType property in the top-level scene instance, the embedded <a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-content-qml.html">Content</a> item creates either a <a href="qml-qtmultimedia-mediaplayer.html">MediaPlayer</a> or a <a href="qml-multimedia.html#camera">Camera</a> item.</p>
<a name="calculating-and-displaying-qml-painting-rate"></a>
<h2 id="calculating-and-displaying-qml-painting-rate">Calculating and Displaying QML Painting Rate</h2>
<p>The QML painting rate is calculated by the FrequencyMonitor class, which turns a stream of events (received via the notify() slot), into an instantaneous and an averaged frequency:</p>
<pre class="qml">
<span class="keyword">class</span> FrequencyMonitor : <span class="keyword">public</span> <span class="type"><a href="../qtcore/qobject.html">QObject</a></span>
{
Q_OBJECT
Q_PROPERTY(<span class="type"><a href="../qtcore/qtglobal.html#qreal-typedef">qreal</a></span> instantaneousFrequency READ instantaneousFrequency NOTIFY instantaneousFrequencyChanged)
Q_PROPERTY(<span class="type"><a href="../qtcore/qtglobal.html#qreal-typedef">qreal</a></span> averageFrequency READ averageFrequency NOTIFY averageFrequencyChanged)
<span class="keyword">public</span>:
...
<span class="keyword">static</span> <span class="type">void</span> qmlRegisterType();
<span class="keyword">public</span> <span class="keyword">slots</span>:
Q_INVOKABLE <span class="type">void</span> notify();
};
</pre>
<p>The FrequencyMonitor class is exposed to QML like this</p>
<pre class="qml">
<span class="type">void</span> FrequencyMonitor<span class="operator">::</span>qmlRegisterType()
{
<span class="operator">::</span>qmlRegisterType<span class="operator"><</span>FrequencyMonitor<span class="operator">></span>(<span class="string">"FrequencyMonitor"</span><span class="operator">,</span> <span class="number">1</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="string">"FrequencyMonitor"</span>);
}
</pre>
<p>and its data is displayed by defining a QML item called FrequencyItem, like this:</p>
<pre class="qml">
import FrequencyMonitor 1.0
<span class="type">Rectangle</span> {
<span class="name">id</span>: <span class="name">root</span>
...
<span class="keyword">function</span> <span class="name">notify</span>() {
<span class="name">monitor</span>.<span class="name">notify</span>()
}
<span class="type">FrequencyMonitor</span> {
<span class="name">id</span>: <span class="name">monitor</span>
<span class="name">onAverageFrequencyChanged</span>: {
<span class="name">averageFrequencyText</span>.<span class="name">text</span> <span class="operator">=</span> <span class="name">monitor</span>.<span class="name">averageFrequency</span>.<span class="name">toFixed</span>(<span class="number">2</span>)
}
}
<span class="type">Text</span> {
<span class="name">id</span>: <span class="name">labelText</span>
<span class="type">anchors</span> {
<span class="name">left</span>: <span class="name">parent</span>.<span class="name">left</span>
<span class="name">top</span>: <span class="name">parent</span>.<span class="name">top</span>
<span class="name">margins</span>: <span class="number">10</span>
}
<span class="name">color</span>: <span class="name">root</span>.<span class="name">textColor</span>
<span class="name">font</span>.pixelSize: <span class="number">0.6</span> <span class="operator">*</span> <span class="name">root</span>.<span class="name">textSize</span>
<span class="name">text</span>: <span class="name">root</span>.<span class="name">label</span>
<span class="name">width</span>: <span class="name">root</span>.<span class="name">width</span> <span class="operator">-</span> <span class="number">2</span><span class="operator">*</span><span class="name">anchors</span>.<span class="name">margins</span>
<span class="name">elide</span>: <span class="name">Text</span>.<span class="name">ElideRight</span>
}
<span class="type">Text</span> {
<span class="name">id</span>: <span class="name">averageFrequencyText</span>
<span class="type">anchors</span> {
<span class="name">right</span>: <span class="name">parent</span>.<span class="name">right</span>
<span class="name">bottom</span>: <span class="name">parent</span>.<span class="name">bottom</span>
<span class="name">margins</span>: <span class="number">10</span>
}
<span class="name">color</span>: <span class="name">root</span>.<span class="name">textColor</span>
<span class="name">font</span>.pixelSize: <span class="name">root</span>.<span class="name">textSize</span>
}
}
</pre>
<p>The result looks like this:</p>
<p class="centerAlign"><img src="images/video-qml-paint-rate.png" alt="" /></p><p>All that remains is to connect the afterRendering() signal of the QQuickView object to a JavaScript function, which will eventually call frequencyItem.notify():</p>
<pre class="qml">
<span class="preprocessor">#include <QtGui/QGuiApplication></span>
<span class="preprocessor">#include <QtQuick/QQuickItem></span>
<span class="preprocessor">#include <QtQuick/QQuickView></span>
<span class="preprocessor">#include "trace.h"</span>
<span class="preprocessor">#ifdef PERFORMANCEMONITOR_SUPPORT</span>
<span class="preprocessor">#include "performancemonitordeclarative.h"</span>
<span class="preprocessor">#endif</span>
<span class="keyword">static</span> <span class="keyword">const</span> <span class="type"><a href="../qtcore/qstring.html">QString</a></span> DefaultFileName1 <span class="operator">=</span> <span class="string">""</span>;
...
<span class="type">QQuickItem</span> <span class="operator">*</span>rootObject <span class="operator">=</span> viewer<span class="operator">.</span>rootObject();
...
<span class="type"><a href="../qtcore/qobject.html">QObject</a></span><span class="operator">::</span>connect(<span class="operator">&</span>viewer<span class="operator">,</span> SIGNAL(afterRendering())<span class="operator">,</span>
rootObject<span class="operator">,</span> SLOT(qmlFramePainted()));
</pre>
<p>Files:</p>
<ul>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qmlvideo-svg.html">multimedia/video/qmlvideo/qmlvideo.svg</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-trace-h.html">multimedia/video/qmlvideo/trace.h</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-button-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/Button.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-camerabasic-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/CameraBasic.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-cameradrag-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/CameraDrag.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-cameradummy-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/CameraDummy.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-camerafullscreen-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/CameraFullScreen.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-camerafullscreeninverted-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/CameraFullScreenInverted.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-cameraitem-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/CameraItem.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-cameramove-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/CameraMove.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-cameraoverlay-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/CameraOverlay.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-cameraresize-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/CameraResize.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-camerarotate-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/CameraRotate.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-cameraspin-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/CameraSpin.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-content-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/Content.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-errordialog-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/ErrorDialog.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-filebrowser-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/FileBrowser.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-scene-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/Scene.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-scenebasic-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/SceneBasic.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-scenedrag-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/SceneDrag.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-scenefullscreen-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/SceneFullScreen.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-scenefullscreeninverted-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/SceneFullScreenInverted.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-scenemove-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/SceneMove.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-scenemulti-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/SceneMulti.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-sceneoverlay-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/SceneOverlay.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-sceneresize-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/SceneResize.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-scenerotate-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/SceneRotate.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-sceneselectionpanel-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/SceneSelectionPanel.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-scenespin-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/SceneSpin.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-seekcontrol-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/SeekControl.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-videobasic-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/VideoBasic.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-videodrag-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/VideoDrag.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-videodummy-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/VideoDummy.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-videofillmode-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/VideoFillMode.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-videofullscreen-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/VideoFullScreen.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-videofullscreeninverted-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/VideoFullScreenInverted.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-videoitem-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/VideoItem.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-videometadata-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/VideoMetadata.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-videomove-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/VideoMove.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-videooverlay-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/VideoOverlay.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-videoplaybackrate-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/VideoPlaybackRate.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-videoresize-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/VideoResize.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-videorotate-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/VideoRotate.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-videoseek-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/VideoSeek.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-videospin-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/VideoSpin.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qml-qmlvideo-main-qml.html">multimedia/video/qmlvideo/qml/qmlvideo/main.qml</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-main-cpp.html">multimedia/video/qmlvideo/main.cpp</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qmlvideo-pro.html">multimedia/video/qmlvideo/qmlvideo.pro</a></li>
<li><a href="qtmultimedia-multimedia-video-qmlvideo-qmlvideo-qrc.html">multimedia/video/qmlvideo/qmlvideo.qrc</a></li>
</ul>
<p>Images:</p>
<ul>
<li><a href="images/used-in-examples/multimedia/video/qmlvideo/images/folder.png">multimedia/video/qmlvideo/images/folder.png</a></li>
<li><a href="images/used-in-examples/multimedia/video/qmlvideo/images/leaves.jpg">multimedia/video/qmlvideo/images/leaves.jpg</a></li>
<li><a href="images/used-in-examples/multimedia/video/qmlvideo/images/up.png">multimedia/video/qmlvideo/images/up.png</a></li>
</ul>
</div>
<!-- @@@multimedia/video/qmlvideo -->
</div>
</div>
</div>
</div>
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<acronym title="Copyright">©</acronym> 2017 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
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