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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 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 1.0, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
//! [snippet]
QObject *Backend::createObject(BackendInterface::Class c, QObject *parent, const QList<QVariant> &args)
{
switch (c) {
case MediaObjectClass:
return new MediaObject(parent);
case VolumeFaderEffectClass:
return new VolumeFaderEffect(parent);
case AudioOutputClass:
return new AudioOutput(parent);
case AudioDataOutputClass:
return new AudioDataOutput(parent);
case VisualizationClass:
return new Visualization(parent);
case VideoDataOutputClass:
return new VideoDataOutput(parent);
case EffectClass:
return new Effect(args[0].toInt(), parent);
case VideoWidgetClass:
return new VideoWidget(qobject_cast<QWidget *>(parent));
}
return 0;
}
QSet<int> Backend::objectDescriptionIndexes(ObjectDescriptionType type) const
{
QSet<int> set;
switch(type)
{
case Phonon::AudioOutputDeviceType:
// use AudioDeviceEnumerator to list ALSA and OSS devices
set << 10000 << 10001;
break;
case Phonon::AudioCaptureDeviceType:
set << 20000 << 20001;
break;
case Phonon::VideoOutputDeviceType:
break;
case Phonon::VideoCaptureDeviceType:
set << 30000 << 30001;
break;
case Phonon::VisualizationType:
case Phonon::AudioCodecType:
case Phonon::VideoCodecType:
case Phonon::ContainerFormatType:
break;
case Phonon::EffectType:
set << 0x7F000001;
break;
}
return set;
}
QHash<QByteArray, QVariant> Backend::objectDescriptionProperties(ObjectDescriptionType type, int index) const
{
QHash<QByteArray, QVariant> ret;
switch (type) {
case Phonon::AudioOutputDeviceType:
switch (index) {
case 10000:
ret.insert("name", QLatin1String("internal Soundcard"));
break;
case 10001:
ret.insert("name", QLatin1String("USB Headset"));
ret.insert("icon", KIcon("usb-headset"));
ret.insert("available", false);
break;
}
break;
case Phonon::AudioCaptureDeviceType:
switch (index) {
case 20000:
ret.insert("name", QLatin1String("Soundcard"));
ret.insert("description", QLatin1String("first description"));
break;
case 20001:
ret.insert("name", QLatin1String("DV"));
ret.insert("description", QLatin1String("second description"));
break;
}
break;
case Phonon::VideoOutputDeviceType:
break;
case Phonon::VideoCaptureDeviceType:
switch (index) {
case 30000:
ret.insert("name", QLatin1String("USB Webcam"));
ret.insert("description", QLatin1String("first description"));
break;
case 30001:
ret.insert("name", QLatin1String("DV"));
ret.insert("description", QLatin1String("second description"));
break;
}
break;
case Phonon::VisualizationType:
break;
case Phonon::AudioCodecType:
break;
case Phonon::VideoCodecType:
break;
case Phonon::ContainerFormatType:
break;
case Phonon::EffectType:
switch (index) {
case 0x7F000001:
ret.insert("name", QLatin1String("Delay"));
ret.insert("description", QLatin1String("Simple delay effect with time, feedback and level controls."));
break;
}
break;
}
return ret;
}
//! [snippet]
|
