diff -r 71ca22bcf22a -r 5a06f39ad45b khronosfws/openmax_al/src/common/xametadataextractionitf.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/khronosfws/openmax_al/src/common/xametadataextractionitf.h	Fri Apr 16 15:29:42 2010 +0300
@@ -0,0 +1,97 @@
+/*
+* 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 XAMETADATAEXTRACTIONITF_H
+#define XAMETADATAEXTRACTIONITF_H
+
+#include "openmaxalwrapper.h"
+#ifdef _GSTREAMER_BACKEND_  
+#include "XAAdaptationContextBase.h"
+#include "XAMetadataAdaptation.h"
+#endif
+/** MACROS **/
+
+/** TYPES **/
+
+/** ENUMERATIONS **/
+
+/** STRUCTURES **/
+/* Definition of XAMetadataExtractionItf implementation */
+typedef struct XAMetadataExtractionItfImpl_
+{
+    /* parent interface */
+    struct XAMetadataExtractionItf_ itf;
+    /* pointer to self */
+    struct XAMetadataExtractionItfImpl_* self;
+
+    /* variables */
+    XAuint32                filteredcount;
+    XAboolean*              tagmatchesfilter;
+    XAboolean               filteringOn;
+#ifdef _GSTREAMER_BACKEND_  
+    XAMetadataImplTagList   currentTags;
+
+    XAAdaptationBaseCtx *adaptCtx;
+#endif
+} XAMetadataExtractionItfImpl;
+
+/** METHODS **/
+
+/* Base interface XAMetadataExtractionItf implementation */
+XAresult XAMetadataExtractionItfImpl_GetItemCount(XAMetadataExtractionItf self,
+                                                  XAuint32 *pItemCount);
+
+XAresult XAMetadataExtractionItfImpl_GetKeySize(XAMetadataExtractionItf self,
+                                                XAuint32 index,
+                                                XAuint32 *pKeySize);
+
+XAresult XAMetadataExtractionItfImpl_GetKey(XAMetadataExtractionItf self,
+                                            XAuint32 index,
+                                            XAuint32 keySize,
+                                            XAMetadataInfo *pKey);
+
+XAresult XAMetadataExtractionItfImpl_GetValueSize(XAMetadataExtractionItf self,
+                                                  XAuint32 index,
+                                                  XAuint32 *pValueSize);
+
+XAresult XAMetadataExtractionItfImpl_GetValue(XAMetadataExtractionItf self,
+                                              XAuint32 index,
+                                              XAuint32 valueSize,
+                                              XAMetadataInfo *pValue);
+
+XAresult XAMetadataExtractionItfImpl_AddKeyFilter(XAMetadataExtractionItf self,
+                                                  XAuint32 keySize,
+                                                  const void *pKey,
+                                                  XAuint32 keyEncoding,
+                                                  const XAchar *pValueLangCountry,
+                                                  XAuint32 valueEncoding,
+                                                  XAuint8 filterMask);
+
+XAresult XAMetadataExtractionItfImpl_ClearKeyFilter(XAMetadataExtractionItf self);
+
+#ifdef _GSTREAMER_BACKEND_  
+/* XAMetadataExtractionItfImpl -specific methods */
+XAMetadataExtractionItfImpl* XAMetadataExtractionItfImpl_Create( XAAdaptationBaseCtx *adaptCtx);
+void XAMetadataExtractionItfImp_AdaptCb( void *pHandlerCtx, XAAdaptEvent *event );
+#endif
+void XAMetadataExtractionItfImpl_Free(XAMetadataExtractionItfImpl* self);
+
+/* internal methods */
+XAresult CheckAndUnfilterIndex(XAMetadataExtractionItfImpl *impl,
+                               XAuint32 oldidx, XAuint32 *newidx);
+
+#endif /* XAMETADATAEXTRACTIONITF_H */