--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gst_plugins_symbian/gst/devsound/gstg711decoderinterface.h	Thu Dec 17 08:53:32 2009 +0200
@@ -0,0 +1,67 @@
+/*
+* Copyright (c) 2009 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: 
+*
+*/
+
+
+#ifndef __G711_DECODER_INTERFACE__H
+#define __G711_DECODER_INTERFACE__H
+
+#include <glib.h>
+#include <gst/gstelement.h>
+#include <gst/gstpluginfeature.h>
+#include <gst/gst.h>
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_G711_DECODER               (gst_g711_decoder_get_type ())
+#define GST_G711_DECODER(obj)               (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_G711_DECODER, GstG711Decoder))
+#define GST_G711_DECODER_CLASS(vtable)      (G_TYPE_CHECK_CLASS_CAST ((vtable), GST_TYPE_G711_DECODER, GstG711DecoderIntfc))
+#define GST_IS_G711_DECODER(obj)            (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_G711_DECODER))
+#define GST_IS_G711_DECODER_CLASS(vtable)   (G_TYPE_CHECK_CLASS_TYPE ((vtable), GST_TYPE_G711_DECODER))
+#define GST_G711_DECODER_GET_IFACE(obj)     (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GST_TYPE_G711_DECODER, GstG711DecoderIntfc))
+
+typedef struct _GstG711Decoder     GstG711Decoder;
+typedef struct _GstG711DecoderIntfc GstG711DecoderIntfc;
+
+
+/**
+*  Interface for G711 decoder.
+*  This abstract class just provides the static NewL function for the creation
+*  of the proxy, and also defines the custom interface to be implemented by the
+*  proxy and the real custom interface implementation.
+*
+*/
+enum TG711DecodeMode
+    {
+    EDecALaw,
+    EDecULaw
+     };
+struct _GstG711DecoderIntfc
+    {
+    GTypeInterface parent;   
+    gint (*SetDecoderMode)(enum TG711DecodeMode aDecodeMode);
+    gint (*SetCng)(gboolean aCng);
+	gint (*GetCng)(gboolean* aCng);
+	gint (*SetPlc)(gboolean aPlc);
+	
+    };
+
+IMPORT_C GType gst_g711_decoder_get_type(void);
+
+G_END_DECLS
+
+#endif /* __G711_DECODER_INTERFACE__ */