diff options
Diffstat (limited to 'src/3rdparty/phonon/mmf/stereowidening.cpp')
-rw-r--r-- | src/3rdparty/phonon/mmf/stereowidening.cpp | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/src/3rdparty/phonon/mmf/stereowidening.cpp b/src/3rdparty/phonon/mmf/stereowidening.cpp new file mode 100644 index 0000000..f90651b --- /dev/null +++ b/src/3rdparty/phonon/mmf/stereowidening.cpp @@ -0,0 +1,93 @@ +/* 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/>. + +*/ + +#include <StereoWideningBase.h> +#include "stereowidening.h" + +QT_BEGIN_NAMESPACE + +using namespace Phonon; +using namespace Phonon::MMF; + +// Define functions which depend on concrete native effect class name +PHONON_MMF_DEFINE_EFFECT_FUNCTIONS(StereoWidening) + +/*! \class MMF::StereoWidening + \internal +*/ + +StereoWidening::StereoWidening(QObject *parent, const QList<EffectParameter>& parameters) + : AbstractAudioEffect::AbstractAudioEffect(parent, parameters) +{ + +} + +int StereoWidening::parameterChanged(const EffectParameter ¶m, + const QVariant &value) +{ + Q_ASSERT_X(param.id() == ParameterBase, Q_FUNC_INFO, "Invalid parameter ID"); + + const qreal externalLevel = value.toReal(); + const int internalLevel = param.toInternalValue(externalLevel); + + TRAPD(err, concreteEffect()->SetStereoWideningLevelL(internalLevel)); + + return err; +} + +//----------------------------------------------------------------------------- +// Static functions +//----------------------------------------------------------------------------- + +const char* StereoWidening::description() +{ + return "Stereo widening"; +} + +bool StereoWidening::getParameters(CMdaAudioOutputStream *stream, + QList<EffectParameter> ¶meters) +{ + bool supported = false; + + QScopedPointer<CStereoWidening> effect; + TRAPD(err, effect.reset(CStereoWidening::NewL(*stream))); + + if (KErrNone == err) { + supported = true; + + const qreal defaultValue = + Phonon::MMF::EffectParameter::toExternalValue + (effect->StereoWideningLevel(), 0, 100); + + EffectParameter param( + /* parameterId */ ParameterBase, + /* name */ tr("Level (%)"), + /* hints */ EffectParameter::IntegerHint, + /* defaultValue */ QVariant(defaultValue), + /* minimumValue */ QVariant(qreal(-1.0)), + /* maximumValue */ QVariant(qreal(+1.0))); + + param.setInternalRange(0, 100); + parameters.append(param); + } + + return supported; +} + +QT_END_NAMESPACE + |