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-rw-r--r--src/3rdparty/phonon/mmf/stereowidening.cpp93
1 files changed, 93 insertions, 0 deletions
diff --git a/src/3rdparty/phonon/mmf/stereowidening.cpp b/src/3rdparty/phonon/mmf/stereowidening.cpp
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+++ b/src/3rdparty/phonon/mmf/stereowidening.cpp
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+/* 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 &param,
+ 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> &parameters)
+{
+ 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
+