Implemented loudness effect in Phonon MMF backend

Task-number: QTBUG-4659
Reviewed-by: Espen Riskedal

1 files changed, 80 insertions, 0 deletions

diff --git a/src/3rdparty/phonon/mmf/loudness.cpp b/src/3rdparty/phonon/mmf/loudness.cpp
new file mode 100644
index 0000000..7a033fa
--- /dev/null
+++ b/src/3rdparty/phonon/mmf/loudness.cpp
@@ -0,0 +1,80 @@
+/*  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 <LoudnessBase.h>
+#include "loudness.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(Loudness)
+
+/*! \class MMF::Loudness
+  \internal
+*/
+
+Loudness::Loudness(QObject *parent, const QList<EffectParameter>& parameters)
+    :   AbstractAudioEffect::AbstractAudioEffect(parent, parameters)
+{
+
+}
+
+void Loudness::parameterChanged(const EffectParameter &param,
+                                 const QVariant &value)
+{
+    Q_ASSERT_X(param.id() == 0, Q_FUNC_INFO, "Invalid parameter ID");
+    setEnabled(value.toBool());
+}
+
+//-----------------------------------------------------------------------------
+// Static functions
+//-----------------------------------------------------------------------------
+
+const char* Loudness::description()
+{
+    return "Loudness";
+}
+
+bool Loudness::getParameters(CMdaAudioOutputStream *stream,
+    QList<EffectParameter> &parameters)
+{
+    bool supported = false;
+
+    QScopedPointer<CLoudness> effect;
+    TRAPD(err, effect.reset(CLoudness::NewL(*stream)));
+
+    if(KErrNone == err) {
+        supported = true;
+
+        EffectParameter param(
+             /* parameterId */        0,
+             /* name */               tr("Enabled"),
+             /* hints */              EffectParameter::ToggledHint,
+             /* defaultValue */       QVariant(bool(true)));
+
+        parameters.append(param);
+    }
+
+    return supported;
+}
+
+QT_END_NAMESPACE
+