src/3rdparty/phonon/mmf/abstractaudioeffect.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 00:43:10 +0200
changeset 3 41300fa6a67c
parent 0 1918ee327afb
child 4 3b1da2848fc7
child 7 f7bc934e204c
permissions -rw-r--r--
Revision: 201003 Kit: 201005
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
0
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
     1
/*  This file is part of the KDE project.
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
     2
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
     3
Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
     4
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
     5
This library is free software: you can redistribute it and/or modify
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
     6
it under the terms of the GNU Lesser General Public License as published by
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
     7
the Free Software Foundation, either version 2.1 or 3 of the License.
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
     8
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
     9
This library is distributed in the hope that it will be useful,
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    10
but WITHOUT ANY WARRANTY; without even the implied warranty of
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    11
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    12
GNU Lesser General Public License for more details.
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    13
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    14
You should have received a copy of the GNU Lesser General Public License
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    15
along with this library.  If not, see <http://www.gnu.org/licenses/>.
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    16
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    17
*/
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    18
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    19
#include "mediaobject.h"
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    20
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    21
#include "abstractaudioeffect.h"
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    22
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    23
QT_BEGIN_NAMESPACE
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    24
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    25
using namespace Phonon;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    26
using namespace Phonon::MMF;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    27
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    28
/*! \class MMF::AbstractAudioEffect
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    29
  \internal
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    30
*/
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    31
3
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
    32
/*! \namespace Phonon::MMF
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
    33
  \internal
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
    34
*/
41300fa6a67c Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
    35
0
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    36
AbstractAudioEffect::AbstractAudioEffect(QObject *parent,
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    37
                                         const QList<EffectParameter> &params) : MediaNode::MediaNode(parent)
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    38
                                                                               , m_params(params)
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    39
{
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    40
}
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    41
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    42
bool AbstractAudioEffect::disconnectMediaNode(MediaNode *target)
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    43
{
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    44
    MediaNode::disconnectMediaNode(target);
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    45
    m_effect.reset();
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    46
    return true;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    47
}
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    48
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    49
QList<EffectParameter> AbstractAudioEffect::parameters() const
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    50
{
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    51
    return m_params;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    52
}
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    53
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    54
QVariant AbstractAudioEffect::parameterValue(const EffectParameter &queriedParam) const
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    55
{
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    56
    const QVariant &val = m_values.value(queriedParam.id());
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    57
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    58
    if (val.isNull())
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    59
        return queriedParam.defaultValue();
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    60
    else
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    61
        return val;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    62
}
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    63
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    64
bool AbstractAudioEffect::activateOnMediaObject(MediaObject *mo)
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    65
{
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    66
    AudioPlayer *const ap = qobject_cast<AudioPlayer *>(mo->abstractPlayer());
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    67
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    68
    if (ap)
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    69
        return activateOn(ap->player());
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    70
    else
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    71
        return true;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    72
}
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    73
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    74
void AbstractAudioEffect::setParameterValue(const EffectParameter &param,
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    75
                                            const QVariant &newValue)
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    76
{
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    77
    m_values.insert(param.id(), newValue);
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    78
    parameterChanged(param.id(), newValue);
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    79
}
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    80
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    81
QT_END_NAMESPACE
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    82