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/****************************************************************************
**
** Copyright (C) 2015 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Multimedia module.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 2.0
import QtMultimedia 5.5
import qmlvideofilter.cl.test 1.0
Item {
width: 1024
height: 768
Camera {
id: camera
}
MediaPlayer {
id: player
autoPlay: true
source: videoFilename
}
VideoOutput {
id: output
source: videoFilename !== "" ? player : camera
filters: [ infofilter, clfilter ]
anchors.fill: parent
}
CLFilter {
id: clfilter
// Animate a property which is passed to the OpenCL kernel.
SequentialAnimation on factor {
loops: Animation.Infinite
NumberAnimation {
from: 1
to: 20
duration: 6000
}
NumberAnimation {
from: 20
to: 1
duration: 3000
}
}
}
InfoFilter {
// This filter does not change the image. Instead, it provides some results calculated from the frame.
id: infofilter
onFinished: {
info.res = result.frameResolution.width + "x" + result.frameResolution.height;
info.type = result.handleType;
info.fmt = result.pixelFormat;
}
}
Column {
Text {
font.pointSize: 20
color: "green"
text: "Transformed with OpenCL on GPU\nClick to disable and enable the emboss filter"
}
Text {
font.pointSize: 12
color: "green"
text: "Emboss factor " + Math.round(clfilter.factor)
visible: clfilter.active
}
Text {
id: info
font.pointSize: 12
color: "green"
property string res
property string type
property int fmt
text: "Input resolution: " + res + " Input frame type: " + type + (fmt ? " Pixel format: " + fmt : "")
}
}
MouseArea {
anchors.fill: parent
onClicked: clfilter.active = !clfilter.active
}
}
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