/*  This file is part of the KDE project.+
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Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).+
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This library is free software: you can redistribute it and/or modify+
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it under the terms of the GNU Lesser General Public License as published by+
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the Free Software Foundation, either version 2.1 or 3 of the License.+
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+
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This library is distributed in the hope that it will be useful,+
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but WITHOUT ANY WARRANTY; without even the implied warranty of+
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the+
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GNU Lesser General Public License for more details.+
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+
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You should have received a copy of the GNU Lesser General Public License+
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along with this library.  If not, see <http://www.gnu.org/licenses/>.+
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+
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*/+
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+
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#ifndef PHONON_MMF_AUDIOEQUALIZER_H+
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#define PHONON_MMF_AUDIOEQUALIZER_H+
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+
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#include "abstractaudioeffect.h"+
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+
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class CAudioEqualizer;+
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+
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QT_BEGIN_NAMESPACE+
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+
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namespace Phonon+
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{+
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namespace MMF+
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{+
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/**+
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 * @short A classic equalizer.+
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 *+
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 * The equalizer has a number of bands, and each band has a frequency, and a+
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 * volume. With Phonon's API, this is modeled such that each band is one+
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 * Phonon::EffectParameter, where Phonon::EffectParameter::id() is the band+
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 * number, and the setting is the volume level.+
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 */+
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class AudioEqualizer : public AbstractAudioEffect+
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{+
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    Q_OBJECT+
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public:+
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    AudioEqualizer(QObject *parent, const QList<EffectParameter> &parameters);+
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+
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    // Static interface required by EffectFactory+
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    static const char* description();+
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    static bool getParameters(CMdaAudioOutputStream *stream,+
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        QList<EffectParameter>& parameters);+
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+
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protected:+
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    // AbstractAudioEffect+
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    virtual void createEffect(AudioPlayer::NativePlayer *player);+
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    virtual int effectParameterChanged(const EffectParameter &param,+
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                                       const QVariant &value);+
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+
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private:+
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    CAudioEqualizer *concreteEffect();+
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+
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};+
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}+
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}+
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+
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QT_END_NAMESPACE+
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+
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#endif+
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