Add qmlvideo and qmlvideofx examples

Based on code imported from master branch of QtMobility repo,
ported to Qt Quick 2.

Task-number: QTBUG-23118
Change-Id: Ifd297de0e595c675ff1a8e3218d91b03629295b9
Reviewed-by: Jonas Rabbe <jonas.rabbe@nokia.com>
Reviewed-by: Michael Goddard <michael.goddard@nokia.com>

examples/video/qmlvideo/qml/qmlvideo/ErrorDialog.qml

@@ -0,0 +1,107 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.0
+
+Rectangle {
+    id: root
+    color: "transparent"
+    opacity: 0.0
+    property alias enabled: mouseArea.enabled
+    state: enabled ? "on" : "baseState"
+
+    states: [
+        State {
+            name: "on"
+            PropertyChanges {
+                target: root
+                opacity: 1.0
+            }
+        }
+    ]
+
+    transitions: [
+        Transition {
+            from: "*"
+            to: "*"
+            NumberAnimation {
+                properties: "opacity"
+                easing.type: Easing.OutQuart
+                duration: 500
+            }
+        }
+    ]
+
+    Rectangle {
+        anchors.fill: parent
+        color: "black"
+        opacity: 0.75
+    }
+
+    Rectangle {
+        anchors.centerIn: parent
+        width: 300
+        height: 200
+        radius: 10
+        color: "white"
+
+        Text {
+            id: text
+            anchors.fill: parent
+            anchors.margins: 10
+            horizontalAlignment: Text.AlignHCenter
+            verticalAlignment: Text.AlignVCenter
+            color: "black"
+            wrapMode: Text.WordWrap
+        }
+    }
+
+    MouseArea {
+        id: mouseArea
+        anchors.fill: parent
+        onClicked: root.enabled = false
+    }
+
+    function show(msg) {
+        text.text = "<b>Error</b><br><br>" + msg
+        root.enabled = true
+    }
+}