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Diffstat (limited to 'examples/multimedia/video/qmlvideo/qml/performancemonitor/PerformanceItem.qml')
-rw-r--r-- | examples/multimedia/video/qmlvideo/qml/performancemonitor/PerformanceItem.qml | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/examples/multimedia/video/qmlvideo/qml/performancemonitor/PerformanceItem.qml b/examples/multimedia/video/qmlvideo/qml/performancemonitor/PerformanceItem.qml new file mode 100644 index 000000000..5621450cb --- /dev/null +++ b/examples/multimedia/video/qmlvideo/qml/performancemonitor/PerformanceItem.qml @@ -0,0 +1,150 @@ +/**************************************************************************** +** +** 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 + +Rectangle { + id: root + property bool logging: true + property bool displayed: true + property bool videoActive + property int margins: 5 + property bool enabled: true + + color: "transparent" + + // This should ensure that the monitor is on top of all other content + z: 999 + + Column { + id: column + anchors { + fill: root + margins: 10 + } + spacing: 10 + } + + QtObject { + id: d + property Item qmlFrameRateItem: null + property Item videoFrameRateItem: null + } + + Connections { + id: videoFrameRateActiveConnections + ignoreUnknownSignals: true + function onActiveChanged() { root.videoActive = videoFrameRateActiveConnections.target.active } + } + + states: [ + State { + name: "hidden" + PropertyChanges { + target: root + opacity: 0 + } + } + ] + + transitions: [ + Transition { + from: "*" + to: "*" + NumberAnimation { + properties: "opacity" + easing.type: Easing.OutQuart + duration: 500 + } + } + ] + + state: enabled ? "baseState" : "hidden" + + function createQmlFrameRateItem() { + var component = Qt.createComponent("../frequencymonitor/FrequencyItem.qml") + if (component.status == Component.Ready) + d.qmlFrameRateItem = component.createObject(column, { label: "QML frame rate", + displayed: root.displayed, + logging: root.logging + }) + } + + function createVideoFrameRateItem() { + var component = Qt.createComponent("../frequencymonitor/FrequencyItem.qml") + if (component.status == Component.Ready) + d.videoFrameRateItem = component.createObject(column, { label: "Video frame rate", + displayed: root.displayed, + logging: root.logging + }) + videoFrameRateActiveConnections.target = d.videoFrameRateItem + } + + + function init() { + createQmlFrameRateItem() + createVideoFrameRateItem() + } + + function videoFramePainted() { + if (d.videoFrameRateItem) + d.videoFrameRateItem.notify() + } + + function qmlFramePainted() { + if (d.qmlFrameRateItem) + d.qmlFrameRateItem.notify() + } + + onVideoActiveChanged: { + if (d.videoFrameRateItem) + d.videoFrameRateItem.active = root.videoActive + } +} |