--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gst_plugins_symbian/gst/devsound/gsterrorconcealmentinterface.h	Fri Jan 22 09:59:59 2010 +0200
@@ -0,0 +1,75 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
+*
+* 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 of the License, or (at your option) any later version.
+*
+* 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, write to the
+* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+* Boston, MA 02111-1307, USA.
+*
+* Description:
+*
+*/
+
+#ifndef __ERROR_CONCEALMENT_INTERFACE__H
+#define __ERROR_CONCEALMENT_INTERFACE__H
+
+#include <glib.h>
+#include <gst/gstelement.h>
+#include <gst/gstpluginfeature.h>
+#include <gst/gst.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_ERROR_CONCEALMENT     (gst_error_concealment_get_type ())
+#define GST_ERROR_CONCEALMENT(obj)     (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_ERROR_CONCEALMENT, GstErrorConcealment))
+#define GST_IS_ERROR_CONCEALMENT(obj)      (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_ERROR_CONCEALMENT))
+#define GST_ERROR_CONCEALMENT_GET_IFACE(obj)   (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GST_TYPE_ERROR_CONCEALMENT, GstErrorConcealmentIntfc))
+
+typedef struct _GstErrorConcealment      GstErrorConcealment;
+typedef struct _GstErrorConcealmentIntfc GstErrorConcealmentIntfc;
+
+struct _GstErrorConcealmentIntfc
+    {
+    GTypeInterface parent;
+    /**
+     * Indicates that an frame of encoded audio is lost and that error
+     * concealment should be performed for a lost frame.
+     * By definition, the next buffer sent to the decoder will contain no
+     * valid audio data.
+     * @return status
+     */
+    gint (*ConcealErrorForNextBuffer) (void);
+
+    /**
+     * Puts the hwdevice into a frame-based interface.
+     * The alternate mode of interface would be buffer-based.
+     * @param aFrameMode
+     * @return status
+     */
+    gint (*SetFrameMode)(gboolean aFrameMode);
+
+    /**
+     * Query to find out if frame-based interface is required by hwdevice
+     * for supporting error concealment.
+     * @param aFrameModeRqrd indicates if frame mode is required.
+     * @return status
+     */
+    gint (*FrameModeRqrdForEC)(gboolean* aFrameModeRqrd);
+
+    };
+
+IMPORT_C GType gst_error_concealment_get_type(void);
+
+G_END_DECLS
+
+#endif /* __ERROR_CONCEALMENT_INTERFACE */