1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 #ifndef XAMETADATAEXTRACTIONITF_H

    19 #define XAMETADATAEXTRACTIONITF_H

    20 

    21 #include "openmaxalwrapper.h"

    22 #ifdef _GSTREAMER_BACKEND_  

    23 #include "XAAdaptationContextBase.h"

    24 #include "XAMetadataAdaptation.h"

    25 #endif

    26 /** MACROS **/

    27 

    28 /** TYPES **/

    29 

    30 /** ENUMERATIONS **/

    31 

    32 /** STRUCTURES **/

    33 /* Definition of XAMetadataExtractionItf implementation */

    34 typedef struct XAMetadataExtractionItfImpl_

    35 {

    36     /* parent interface */

    37     struct XAMetadataExtractionItf_ itf;

    38     /* pointer to self */

    39     struct XAMetadataExtractionItfImpl_* self;

    40 

    41     /* variables */

    42     XAuint32                filteredcount;

    43     XAboolean*              tagmatchesfilter;

    44     XAboolean               filteringOn;

    45 #ifdef _GSTREAMER_BACKEND_  

    46     XAMetadataImplTagList   currentTags;

    47 

    48     XAAdaptationBaseCtx *adaptCtx;

    49 #endif

    50 } XAMetadataExtractionItfImpl;

    51 

    52 /** METHODS **/

    53 

    54 /* Base interface XAMetadataExtractionItf implementation */

    55 XAresult XAMetadataExtractionItfImpl_GetItemCount(XAMetadataExtractionItf self,

    56                                                   XAuint32 *pItemCount);

    57 

    58 XAresult XAMetadataExtractionItfImpl_GetKeySize(XAMetadataExtractionItf self,

    59                                                 XAuint32 index,

    60                                                 XAuint32 *pKeySize);

    61 

    62 XAresult XAMetadataExtractionItfImpl_GetKey(XAMetadataExtractionItf self,

    63                                             XAuint32 index,

    64                                             XAuint32 keySize,

    65                                             XAMetadataInfo *pKey);

    66 

    67 XAresult XAMetadataExtractionItfImpl_GetValueSize(XAMetadataExtractionItf self,

    68                                                   XAuint32 index,

    69                                                   XAuint32 *pValueSize);

    70 

    71 XAresult XAMetadataExtractionItfImpl_GetValue(XAMetadataExtractionItf self,

    72                                               XAuint32 index,

    73                                               XAuint32 valueSize,

    74                                               XAMetadataInfo *pValue);

    75 

    76 XAresult XAMetadataExtractionItfImpl_AddKeyFilter(XAMetadataExtractionItf self,

    77                                                   XAuint32 keySize,

    78                                                   const void *pKey,

    79                                                   XAuint32 keyEncoding,

    80                                                   const XAchar *pValueLangCountry,

    81                                                   XAuint32 valueEncoding,

    82                                                   XAuint8 filterMask);

    83 

    84 XAresult XAMetadataExtractionItfImpl_ClearKeyFilter(XAMetadataExtractionItf self);

    85 

    86 #ifdef _GSTREAMER_BACKEND_  

    87 /* XAMetadataExtractionItfImpl -specific methods */

    88 XAMetadataExtractionItfImpl* XAMetadataExtractionItfImpl_Create( XAAdaptationBaseCtx *adaptCtx);

    89 void XAMetadataExtractionItfImp_AdaptCb( void *pHandlerCtx, XAAdaptEvent *event );

    90 #endif

    91 void XAMetadataExtractionItfImpl_Free(XAMetadataExtractionItfImpl* self);

    92 

    93 /* internal methods */

    94 XAresult CheckAndUnfilterIndex(XAMetadataExtractionItfImpl *impl,

    95                                XAuint32 oldidx, XAuint32 *newidx);

    96 

    97 #endif /* XAMETADATAEXTRACTIONITF_H */