/* This file is part of the KDE project. | |
Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). | |
This library is free software: you can redistribute it and/or modify | |
it under the terms of the GNU Lesser General Public License as published by | |
the Free Software Foundation, either version 2.1 or 3 of the License. | |
This library is distributed in the hope that it will be useful, | |
but WITHOUT ANY WARRANTY; without even the implied warranty of | |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
GNU Lesser General Public License for more details. | |
You should have received a copy of the GNU Lesser General Public License | |
along with this library. If not, see <http://www.gnu.org/licenses/>. | |
*/ | |
#ifndef PHONON_MMF_EFFECTFACTORY_H | |
#define PHONON_MMF_EFFECTFACTORY_H | |
#include "abstractaudioeffect.h" | |
#include "effectparameter.h" | |
QT_BEGIN_NAMESPACE | |
namespace Phonon | |
{ | |
namespace MMF | |
{ | |
/** | |
* @short Contains utility functions related to effects. | |
*/ | |
class EffectFactory : public QObject | |
{ | |
Q_OBJECT | |
public: | |
EffectFactory(QObject *parent); | |
~EffectFactory(); | |
enum Type | |
{ | |
TypeAudioEqualizer = 0 | |
, TypeBassBoost | |
, TypeDistanceAttenuation | |
, TypeEnvironmentalReverb | |
, TypeListenerOrientation | |
, TypeLoudness | |
, TypeSourceOrientation | |
, TypeStereoWidening | |
}; | |
/** | |
* @short Creates an audio effect of type @p type. | |
*/ | |
AbstractAudioEffect *createAudioEffect(Type type, QObject *parent); | |
/** | |
* @short Return the properties for effect @p type. | |
* | |
* This handles the effects for | |
* BackendInterface::objectDescriptionProperties(). | |
*/ | |
QHash<QByteArray, QVariant> audioEffectDescriptions(Type type); | |
/** | |
* @short Returns the indexes for the supported effects. | |
* | |
* This handles the effects for | |
* BackendInterface::objectDescriptionIndexes(). | |
*/ | |
QList<int> effectIndexes(); | |
private: | |
void initialize(); | |
struct EffectData | |
{ | |
bool m_supported; | |
QHash<QByteArray, QVariant> m_descriptions; | |
QList<EffectParameter> m_parameters; | |
}; | |
template<typename BackendNode> EffectData getData(); | |
const EffectData& data(Type type) const; | |
private: | |
bool m_initialized; | |
QHash<Type, EffectData> m_effectData; | |
}; | |
} | |
} | |
QT_END_NAMESPACE | |
#endif | |