diff -r e42293e811d8 -r 6c1dfe4da5dd mmappfw_plat/qt_telephony_multimedia_service_api/inc/qtmsglobalgaineffect.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmappfw_plat/qt_telephony_multimedia_service_api/inc/qtmsglobalgaineffect.h	Tue Aug 31 15:41:40 2010 +0300
@@ -0,0 +1,119 @@
+/*
+ * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+ * All rights reserved.
+ * This component and the accompanying materials are made available
+ * under the terms of "Eclipse Public License v1.0"
+ * which accompanies this distribution, and is available
+ * at the URL "http://www.eclipse.org/legal/epl-v10.html".
+ *
+ * Initial Contributors:
+ * Nokia Corporation - initial contribution.
+ *
+ * Contributors:
+ *
+ * Description: QT Bindings for TMS
+ *
+ */
+
+#ifndef QTMS_GLOBAL_GAIN_EFFECT_H
+#define QTMS_GLOBAL_GAIN_EFFECT_H
+
+#include <qtms.h>
+#include <qtmseffect.h>
+#include "qtmswrapperexport.h"
+#include <QObject>
+
+// FORWARD DECLARATIONS
+namespace TMS
+{
+class TMSEffect;
+}
+
+namespace QTMS
+{
+
+/**
+ * QTMSGlobalGainEffect class
+ *
+ * This class provides microphone gain level control in the global QTMS scope.
+ * Mic gain level changes done by any client are adjusted accross all calls
+ * serviced by the QTMS server.
+ *
+ * @lib QTMSapi.lib
+ *
+ */
+class QTMS_WRAPPER_DLL_EXPORT QTMSGlobalGainEffect : public QObject,
+                                                     public QTMSEffect
+{
+    Q_OBJECT
+public:
+    /**
+     * Destructor
+     */
+    virtual ~QTMSGlobalGainEffect();
+
+    /**
+     * Set global microphone gain level. The global gain level should be
+     * between 0 and the max value returned by GetMaxLevel().
+     *
+     * @param  level
+     *      Gain level to be set.
+     *
+     * @return
+     *      QTMS_RESULT_SUCCESS if the operation was successful.
+     *
+     */
+    gint SetLevel(const guint level);
+
+    /**
+     * Return current global microphone gain level.
+     *
+     * @param  level
+     *      Current mic gain level.
+     *
+     * @return
+     *      QTMS_RESULT_SUCCESS if the operation was successful.
+     *
+     */
+    gint GetLevel(guint& level);
+
+    /**
+     * Return max microphone gain level supported by the device.
+     *
+     * @param  level
+     *      Max mic gain level.
+     *
+     * @return
+     *      QTMS_RESULT_SUCCESS if the operation was successful.
+     *
+     */
+    gint GetMaxLevel(guint& level);
+
+    /**
+     * Return effect type.
+     *
+     * @param  effecttype
+     *      Type of the effect object (QTMS_EFFECT_GLOBAL_GAIN).
+     *
+     * @return
+     *      QTMS_RESULT_SUCCESS if the operation was successful.
+     *
+     */
+    virtual gint GetType(QTMSEffectType& effecttype);
+
+    Q_SIGNALS:
+    void EffectsEvent(const QTMSEffect& tmseffect, QTMSSignalEvent event);
+
+protected:
+    /**
+     * Constructor
+     */
+    QTMSGlobalGainEffect();
+
+protected:
+    TMS::TMSEffect* iEffect;
+};
+
+} //namespace QTMS
+
+#endif //QTMS_GLOBAL_GAIN_EFFECT_H