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 

    19 #include "mediaobject.h"

    20 

    21 #include "abstractaudioeffect.h"

    22 

    23 QT_BEGIN_NAMESPACE

    24 

    25 using namespace Phonon;

    26 using namespace Phonon::MMF;

    27 

    28 /*! \class MMF::AbstractAudioEffect

    29   \internal

    30 */

    31 

    32 AbstractAudioEffect::AbstractAudioEffect(QObject *parent,

    33                                          const QList<EffectParameter> &params) : MediaNode::MediaNode(parent)

    34                                                                                , m_params(params)

    35 {

    36 }

    37 

    38 bool AbstractAudioEffect::disconnectMediaNode(MediaNode *target)

    39 {

    40     MediaNode::disconnectMediaNode(target);

    41     m_effect.reset();

    42     return true;

    43 }

    44 

    45 QList<EffectParameter> AbstractAudioEffect::parameters() const

    46 {

    47     return m_params;

    48 }

    49 

    50 QVariant AbstractAudioEffect::parameterValue(const EffectParameter &queriedParam) const

    51 {

    52     const QVariant &val = m_values.value(queriedParam.id());

    53 

    54     if (val.isNull())

    55         return queriedParam.defaultValue();

    56     else

    57         return val;

    58 }

    59 

    60 bool AbstractAudioEffect::activateOnMediaObject(MediaObject *mo)

    61 {

    62     AudioPlayer *const ap = qobject_cast<AudioPlayer *>(mo->abstractPlayer());

    63 

    64     if (ap)

    65         return activateOn(ap->player());

    66     else

    67         return true;

    68 }

    69 

    70 void AbstractAudioEffect::setParameterValue(const EffectParameter &param,

    71                                             const QVariant &newValue)

    72 {

    73     m_values.insert(param.id(), newValue);

    74     parameterChanged(param.id(), newValue);

    75 }

    76 

    77 QT_END_NAMESPACE

    78