API unit tests from Maemo API test team.

A large number of tweaks and changes to original tests, and refactor
a lot of the mock backends to reduce duplication.

Changed viewfinder test case to use mock service and provider so
that it matches the image capture test case.

Reviewed-by: Jonas Rabbe
(cherry picked from commit e40bef5508a4165cec4a46b97115aed461027fa5)

Also licence header fix:
(cherry picked from commit e9ee9e8c48b45b97d62ee4a82e400fa9d8ea8107)

Change-Id: Ic59891d75563bb2e008a336eea859e8c44d8d831
Reviewed-on: http://codereview.qt.nokia.com/2078
Reviewed-by: Jonas Rabbe <jonas.rabbe@nokia.com>

tests/auto/qvideoencodercontrol/qvideoencodercontrol.pro

@@ -0,0 +1,7 @@
+load(qttest_p4)
+
+QT += multimediakit-private
+
+SOURCES += \
+    tst_qvideoencodercontrol.cpp
+

tests/auto/qvideoencodercontrol/tst_qvideoencodercontrol.cpp

@@ -0,0 +1,139 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//TESTED_COMPONENT=src/multimedia
+
+#include <QtTest/QtTest>
+#include "qvideoencodercontrol.h"
+class MyVideEncoderControl: public QVideoEncoderControl
+{
+    Q_OBJECT
+
+public:
+    MyVideEncoderControl(QObject *parent = 0 ):QVideoEncoderControl(parent)
+    {
+
+    }
+
+    ~MyVideEncoderControl()
+    {
+
+    }
+
+    QList<QSize> supportedResolutions(const QVideoEncoderSettings &settings,bool *continuous = 0) const
+    {
+        Q_UNUSED(settings);
+        Q_UNUSED(continuous);
+
+        return (QList<QSize>());
+    }
+
+    QList<qreal> supportedFrameRates(const QVideoEncoderSettings &settings, bool *continuous = 0) const
+    {
+        Q_UNUSED(settings);
+        Q_UNUSED(continuous);
+
+        return (QList<qreal>());
+
+    }
+
+    QStringList supportedVideoCodecs() const
+    {
+        return QStringList();
+
+    }
+
+    QString videoCodecDescription(const QString &codecName) const
+    {
+        Q_UNUSED(codecName)
+        return QString();
+
+    }
+
+    QVideoEncoderSettings videoSettings() const
+    {
+        return QVideoEncoderSettings();
+    }
+
+    void setVideoSettings(const QVideoEncoderSettings &settings)
+    {
+        Q_UNUSED(settings);
+    }
+
+    QStringList supportedEncodingOptions(const QString &codec) const
+    {
+        Q_UNUSED(codec);
+        return QStringList();
+    }
+
+    QVariant encodingOption(const QString &codec, const QString &name) const
+    {
+        Q_UNUSED(codec);
+        Q_UNUSED(name);
+        return QVariant();
+    }
+
+    void setEncodingOption(const QString &codec, const QString &name, const QVariant &value)
+    {
+        Q_UNUSED(codec);
+        Q_UNUSED(name);
+        Q_UNUSED(value);
+    }
+
+};
+
+class tst_QVideoEncoderControl: public QObject
+{
+    Q_OBJECT
+private slots:
+    void constructor();
+};
+
+void tst_QVideoEncoderControl::constructor()
+{
+    QObject parent;
+    MyVideEncoderControl control(&parent);
+}
+
+QTEST_MAIN(tst_QVideoEncoderControl)
+#include "tst_qvideoencodercontrol.moc"
+
+