1 /*  This file is part of the KDE project.

     2 

     3     Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 

     5     This library is free software: you can redistribute it and/or modify

     6     it under the terms of the GNU Lesser General Public License as published by

     7     the Free Software Foundation, either version 2.1 or 3 of the License.

     8 

     9     This library is distributed in the hope that it will be useful,

    10     but WITHOUT ANY WARRANTY; without even the implied warranty of

    11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    12     GNU Lesser General Public License for more details.

    13 

    14     You should have received a copy of the GNU Lesser General Public License

    15     along with this library.  If not, see <http://www.gnu.org/licenses/>.

    16 */

    17 

    18 #ifndef Phonon_QT7_AUDIOEFFECTS_H

    19 #define Phonon_QT7_AUDIOEFFECTS_H

    20 

    21 #include <QtCore/QVariant>

    22 #include <QtCore/QHash>

    23 #include <phonon/effectinterface.h>

    24 #include <phonon/effectparameter.h>

    25 #include "medianode.h"

    26 #include "audionode.h"

    27 

    28 QT_BEGIN_NAMESPACE

    29 

    30 namespace Phonon

    31 {

    32 namespace QT7

    33 {

    34     class AudioEffectAudioNode : public AudioNode

    35     {

    36         public:

    37             AudioEffectAudioNode(int effectType);

    38             int m_effectType;

    39 

    40             ComponentDescription getAudioNodeDescription() const;

    41             void initializeAudioUnit();

    42 

    43             QVariant parameterValue(const Phonon::EffectParameter &value) const;

    44             void setParameterValue(const Phonon::EffectParameter &parameter, const QVariant &newValue);

    45 

    46         private:

    47             QHash<int, float> m_alteredParameters;

    48     };

    49 

    50 ///////////////////////////////////////////////////////////////////////

    51 

    52     class AudioEffect : public MediaNode, Phonon::EffectInterface

    53     {

    54         Q_OBJECT

    55         Q_INTERFACES(Phonon::EffectInterface)

    56 

    57         public:

    58             AudioEffect(int effectType, QObject *parent = 0);

    59             AudioEffectAudioNode *m_audioNode;

    60 

    61             QString name();

    62             QString description();

    63          

    64             // EffectInterface:

    65             virtual QList<Phonon::EffectParameter> parameters() const;

    66             virtual QVariant parameterValue(const Phonon::EffectParameter &parameter) const;

    67             virtual void setParameterValue(const Phonon::EffectParameter &parameter, const QVariant &newValue);

    68 

    69             static QList<int> effectList();

    70 

    71         private:

    72             Phonon::EffectParameter createParameter(const AudioUnit &audioUnit, const AudioUnitParameterID &id) const;

    73     };

    74 

    75 

    76 }} //namespace Phonon::QT7

    77 

    78 QT_END_NAMESPACE

    79 

    80 #endif // Phonon_QT7_AUDIOEFFECTS_H