/*

* 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 */