Implemented loudness effect in Phonon MMF backend

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

3 files changed, 146 insertions, 0 deletions

diff --git a/src/3rdparty/phonon/mmf/effectfactory.cpp b/src/3rdparty/phonon/mmf/effectfactory.cpp
index c6593bb..50d08e7 100644
--- a/src/3rdparty/phonon/mmf/effectfactory.cpp
+++ b/src/3rdparty/phonon/mmf/effectfactory.cpp
@@ -23,6 +23,7 @@ along with this library.  If not, see <http://www.gnu.org/licenses/>.
 
 #include "audioequalizer.h"
 #include "bassboost.h"
+#include "loudness.h"
 
 #include "effectfactory.h"
 
@@ -76,6 +77,8 @@ AbstractAudioEffect *EffectFactory::createAudioEffect(Type type,
     case TypeEnvironmentalReverb:
     case TypeListenerOrientation:
     case TypeLoudness:
+        effect = new Loudness(parent, parameters);
+        break;
     case TypeSourceOrientation:
     case TypeStereoWidening:
     default:
@@ -126,6 +129,7 @@ void EffectFactory::initialize()
 
     INITIALIZE_EFFECT(AudioEqualizer)
     INITIALIZE_EFFECT(BassBoost)
+    INITIALIZE_EFFECT(Loudness)
 
     m_initialized = true;
 }
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
+
diff --git a/src/3rdparty/phonon/mmf/loudness.h b/src/3rdparty/phonon/mmf/loudness.h
new file mode 100644
index 0000000..f772d7f
--- /dev/null
+++ b/src/3rdparty/phonon/mmf/loudness.h
@@ -0,0 +1,62 @@
+/*  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/>.
+
+*/
+
+#ifndef PHONON_MMF_LOUDNESS_H
+#define PHONON_MMF_LOUDNESS_H
+
+#include "abstractaudioeffect.h"
+
+class CLoudness;
+
+QT_BEGIN_NAMESPACE
+
+namespace Phonon
+{
+namespace MMF
+{
+/**
+ * @short A "loudness" effect.
+ */
+class Loudness : public AbstractAudioEffect
+{
+    Q_OBJECT
+public:
+    Loudness(QObject *parent, const QList<EffectParameter>& parameters);
+
+    // Static interface required by EffectFactory
+    static const char* description();
+    static bool getParameters(CMdaAudioOutputStream *stream,
+        QList<EffectParameter>& parameters);
+
+protected:
+    // AbstractAudioEffect
+    virtual void createEffect(AudioPlayer::NativePlayer *player);
+    virtual void parameterChanged(const EffectParameter &param,
+                                  const QVariant &value);
+
+private:
+    CLoudness *concreteEffect();
+
+};
+}
+}
+
+QT_END_NAMESPACE
+
+#endif
+