<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>SceneMulti.qml Example File | Qt Multimedia 5.12.2</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-multimedia-video-qmlvideo-example.html">QML Video Example</a></td><td >SceneMulti.qml Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtmultimedia-index.html">Qt 5.12.2 Reference Documentation</a></td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"><div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">SceneMulti.qml Example File</h1> <span class="subtitle">multimedia/video/qmlvideo/qml/qmlvideo/SceneMulti.qml</span> <!-- $$$multimedia/video/qmlvideo/qml/qmlvideo/SceneMulti.qml-description --> <div class="descr"> <a name="details"></a> <pre class="qml"> /**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the Qt Mobility Components. ** ** $QT_BEGIN_LICENSE:BSD$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** BSD License Usage ** Alternatively, you may use this file under the terms of the BSD license ** as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of The Qt Company Ltd nor the names of its ** contributors may be used to endorse or promote products derived ** from this software without specific prior written permission. ** ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ** $QT_END_LICENSE$ ** ****************************************************************************/ import QtQuick 2.0 Scene { id: root property real itemWidth: (width / 3) - 40 property real itemTopMargin: 50 QtObject { id: contentProxy function initialize() { video1.initialize() video2.initialize() } } Component { id: startStopComponent Rectangle { id: root color: "transparent" function content() { return root.parent } Text { anchors { horizontalCenter: parent.horizontalCenter bottom: parent.bottom margins: 20 } text: content() ? content().started ? "Tap to stop" : "Tap to start" : "" color: "#e0e0e0" } MouseArea { anchors.fill: parent onClicked: { if (content().started) content().stop() else content().start() } } } } Content { id: video1 anchors { left: parent.left leftMargin: 10 top: parent.top topMargin: root.itemTopMargin } autoStart: false contentType: "video" showBorder: true showFrameRate: started source: parent.source1 width: itemWidth volume: parent.volume Loader { id: video1StartStopLoader onLoaded: { item.parent = video1 item.anchors.fill = video1 } } onInitialized: video1StartStopLoader.sourceComponent = startStopComponent } Rectangle { id: cameraHolder anchors { horizontalCenter: parent.horizontalCenter top: parent.top topMargin: root.itemTopMargin } border.width: 1 border.color: "white" color: "transparent" width: itemWidth height: width property bool started: false Loader { id: cameraLoader onLoaded: { item.parent = cameraHolder item.centerIn = cameraHolder item.contentType = "camera" item.showFrameRate = true item.width = itemWidth item.z = 1.0 cameraErrorConnection.target = item item.initialize() } } Loader { id: cameraStartStopLoader sourceComponent: startStopComponent onLoaded: { item.parent = cameraHolder item.anchors.fill = cameraHolder item.z = 2.0 } } Connections { id: cameraErrorConnection onError: { console.log("[qmlvideo] SceneMulti.camera.onError") cameraHolder.stop() } } function start() { cameraLoader.source = "Content.qml" cameraHolder.started = true } function stop() { cameraLoader.source = "" cameraHolder.started = false } } Content { id: video2 anchors { right: parent.right rightMargin: 10 top: parent.top topMargin: root.itemTopMargin } autoStart: false contentType: "video" showBorder: true showFrameRate: started source: parent.source2 width: itemWidth volume: parent.volume Loader { id: video2StartStopLoader onLoaded: { item.parent = video2 item.anchors.fill = video2 } } onInitialized: video2StartStopLoader.sourceComponent = startStopComponent } Component.onCompleted: root.content = contentProxy } </pre> </div> <!-- @@@multimedia/video/qmlvideo/qml/qmlvideo/SceneMulti.qml --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2019 The Qt Company Ltd. 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