diff -r 000000000000 -r 1918ee327afb src/3rdparty/phonon/gstreamer/effect.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/3rdparty/phonon/gstreamer/effect.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,246 @@
+/*  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 "effect.h"
+#include "common.h"
+#include "audiooutput.h"
+#include "backend.h"
+#include "medianode.h"
+#include "effectmanager.h"
+#include "gsthelper.h"
+
+#include <gst/gst.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace Phonon
+{
+namespace Gstreamer
+{
+Effect::Effect(Backend *backend, QObject *parent, NodeDescription description)
+        : QObject(parent),
+        MediaNode(backend, description)
+        , m_effectBin(0)
+        , m_effectElement(0)
+{
+}
+
+void Effect::init()
+{
+    m_effectBin = createEffectBin();
+    if (m_effectBin) {
+        setupEffectParams();
+        gst_object_ref (GST_OBJECT (m_effectBin)); // Take ownership
+        gst_object_sink (GST_OBJECT (m_effectBin));
+        m_isValid = true;
+    }
+}
+
+Effect::~Effect()
+{
+    if (m_effectBin) {
+        gst_element_set_state (m_effectBin, GST_STATE_NULL);
+        gst_object_unref (m_effectBin);
+    }
+}
+
+void Effect::setupEffectParams()
+{
+
+    Q_ASSERT(m_effectElement);
+
+    //query and store parameters
+    if (m_effectElement) {
+        GParamSpec **property_specs;
+        guint propertyCount, i;
+        property_specs = g_object_class_list_properties(G_OBJECT_GET_CLASS (m_effectElement), &propertyCount);
+        for (i = 0; i < propertyCount; i++) {
+            GParamSpec *param = property_specs[i];
+            if (param->flags & G_PARAM_WRITABLE) {
+                QString propertyName = g_param_spec_get_name (param);
+
+                // These properties should not be exposed to the front-end
+                if (propertyName == "qos" || propertyName == "name" || propertyName == "async-handling")
+                    continue;
+ 
+                switch(param->value_type) {
+                    case G_TYPE_UINT:
+                        m_parameterList.append(Phonon::EffectParameter(i, propertyName,
+                            0,   //hints
+                            G_PARAM_SPEC_UINT(param)->default_value,
+                            G_PARAM_SPEC_UINT(param)->minimum,
+                            G_PARAM_SPEC_UINT(param)->maximum));
+                        break;
+
+                    case G_TYPE_STRING:
+                        m_parameterList.append(Phonon::EffectParameter(i, propertyName,
+                            0,   //hints
+                            G_PARAM_SPEC_STRING(param)->default_value,
+                            0,
+                            0));
+                        break;
+
+                    case G_TYPE_INT:
+                        m_parameterList.append(Phonon::EffectParameter(i, propertyName,
+                            EffectParameter::IntegerHint,   //hints
+                            QVariant(G_PARAM_SPEC_INT(param)->default_value),
+                            QVariant(G_PARAM_SPEC_INT(param)->minimum),
+                            QVariant(G_PARAM_SPEC_INT(param)->maximum)));
+                        break;
+
+                    case G_TYPE_FLOAT:
+                        m_parameterList.append(Phonon::EffectParameter(i, propertyName,
+                            0,   //hints
+                            QVariant((double)G_PARAM_SPEC_FLOAT(param)->default_value),
+                            QVariant((double)G_PARAM_SPEC_FLOAT(param)->minimum),
+                            QVariant((double)G_PARAM_SPEC_FLOAT(param)->maximum)));
+                        break;
+
+                    case G_TYPE_DOUBLE:
+                        m_parameterList.append(Phonon::EffectParameter(i, propertyName,
+                            0,   //hints
+                            QVariant(G_PARAM_SPEC_DOUBLE(param)->default_value),
+                            QVariant(G_PARAM_SPEC_DOUBLE(param)->minimum),
+                            QVariant(G_PARAM_SPEC_DOUBLE(param)->maximum)));
+                        break;
+
+                    case G_TYPE_BOOLEAN:
+                        m_parameterList.append(Phonon::EffectParameter(i, propertyName, 
+                            Phonon::EffectParameter::ToggledHint,   //hints
+                            QVariant((bool)G_PARAM_SPEC_BOOLEAN(param)->default_value),
+                            QVariant((bool)false), QVariant((bool)true)));
+                        break;
+
+                    default:
+                        break;
+                }
+            }
+        }
+    }
+}
+
+QList<Phonon::EffectParameter> Effect::parameters() const
+{
+    return m_parameterList;
+}
+
+QVariant Effect::parameterValue(const EffectParameter &p) const
+{
+
+    Q_ASSERT(m_effectElement);
+
+    QVariant returnVal;
+    switch (p.type()) {
+        case QVariant::Int:
+            {
+                gint val = 0;
+                g_object_get(G_OBJECT(m_effectElement), qPrintable(p.name()), &val, (const char*)NULL);
+                returnVal = val;
+            }
+            break;
+
+        case QVariant::Bool:
+            {
+                gboolean val = 0;
+                g_object_get(G_OBJECT(m_effectElement), qPrintable(p.name()), &val, (const char*)NULL);
+                returnVal = val;
+            }
+            break;
+
+        case QVariant::String:
+            {
+                gchar *val = 0;
+                g_object_get(G_OBJECT(m_effectElement), qPrintable(p.name()), &val, (const char*)NULL);
+                returnVal = QString::fromUtf8(val);
+                g_free(val);
+            }
+            break;
+
+        case QVariant::Double:
+            {
+                GParamSpec* spec = g_object_class_find_property(G_OBJECT_GET_CLASS(m_effectElement), p.name().toLatin1().constData());
+                Q_ASSERT(spec);
+                if (spec && spec->value_type == G_TYPE_FLOAT) {
+                    gfloat val = 0;
+                    g_object_get(G_OBJECT(m_effectElement), qPrintable(p.name()), &val, (const char*)NULL);
+                    returnVal = QVariant((float)val);
+                } else {
+                    gdouble val = 0;
+                    g_object_get(G_OBJECT(m_effectElement), qPrintable(p.name()), &val, (const char*)NULL);
+                    returnVal = QVariant((float)val);
+                }
+            }
+            break;
+
+        default:
+            Q_ASSERT(0); //not a supported variant type
+    }
+    return returnVal;
+}
+
+
+void Effect::setParameterValue(const EffectParameter &p, const QVariant &v)
+{
+    Q_ASSERT(m_effectElement);
+
+    // Note that the frontend currently calls this after creation with a null-value
+    // for all parameters.
+
+    if (v.isValid()) {
+
+        switch (p.type()) {
+            // ### range values should really be checked by the front end, why isnt it working?
+            case QVariant::Int:
+                if (v.toInt() >= p.minimumValue().toInt() && v.toInt() <= p.maximumValue().toInt())
+                    g_object_set(G_OBJECT(m_effectElement), qPrintable(p.name()), (gint)v.toInt(), (const char*)NULL);
+                break;
+
+            case QVariant::Double:
+                if (v.toDouble() >= p.minimumValue().toDouble() && v.toDouble() <= p.maximumValue().toDouble()) {
+                    GParamSpec* spec = g_object_class_find_property(G_OBJECT_GET_CLASS(m_effectElement), p.name().toLatin1().constData());
+                    Q_ASSERT(spec);
+                    if (spec && spec->value_type == G_TYPE_FLOAT)
+                        g_object_set(G_OBJECT(m_effectElement), qPrintable(p.name()), (gfloat)v.toDouble(), (const char*)NULL);
+                    else
+                        g_object_set(G_OBJECT(m_effectElement), qPrintable(p.name()), (gdouble)v.toDouble(), (const char*)NULL);
+                }
+                break;
+
+            case QVariant::UInt:
+                if (v.toUInt() >= p.minimumValue().toUInt() && v.toUInt() <= p.maximumValue().toUInt())
+                    g_object_set(G_OBJECT(m_effectElement), qPrintable(p.name()), v.toUInt(), (const char*)NULL);
+                break;
+
+            case QVariant::String:
+                g_object_set(G_OBJECT(m_effectElement), qPrintable(p.name()), v.toString().toUtf8().constData(), (const char*)NULL);
+                break;
+
+            case QVariant::Bool:
+                g_object_set(G_OBJECT(m_effectElement), qPrintable(p.name()), (gboolean)v.toBool(), (const char*)NULL);
+                break;
+
+            default:
+                Q_ASSERT(0); //not a supported variant type
+        }
+    }
+}
+
+}
+} //namespace Phonon::Gstreamer
+
+QT_END_NAMESPACE
+#include "moc_effect.cpp"