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 XAMETADATATRAVERSALITF_H

    19 #define XAMETADATATRAVERSALITF_H

    20 

    21 #include "openmaxalwrapper.h"

    22 #include "xaglobals.h"

    23 #ifdef _GSTREAMER_BACKEND_  

    24 #include "XAAdaptationContextBase.h"

    25 #endif

    26 /** MACROS **/

    27 

    28 /** TYPES **/

    29 

    30 /** ENUMERATIONS **/

    31 

    32 /** STRUCTURES **/

    33 /* Definition of XAMetadataTraversalItf implementation */

    34 typedef struct XAMetadataTraversalImpl_

    35 {

    36     /* parent interface */

    37     struct XAMetadataTraversalItf_ itf;

    38     /* pointer to self */

    39     struct XAMetadataTraversalImpl_* self;

    40 

    41     /* pointer to metadata variables */

    42     XAuint32 traversemode;

    43     XAuint32 index;

    44     XAuint32 nodedepth;

    45 

    46 #ifdef _GSTREAMER_BACKEND_  

    47     XAAdaptationBaseCtx *adaptCtx;

    48 #endif

    49 } XAMetadataTraversalImpl;

    50 

    51 /** METHODS **/

    52 

    53 /* Base interface XAMetadataTraversalItf implementation */

    54 XAresult XAMetadataTraversalItfImpl_SetMode(XAMetadataTraversalItf self,

    55                                           XAuint32 mode);

    56 

    57 XAresult XAMetadataTraversalItfImpl_GetChildCount(XAMetadataTraversalItf self,

    58                                                 XAuint32 *pCount);

    59 

    60 XAresult XAMetadataTraversalItfImpl_GetChildMIMETypeSize(XAMetadataTraversalItf self,

    61                                                        XAuint32 index,

    62                                                        XAuint32 *pSize);

    63 

    64 XAresult XAMetadataTraversalItfImpl_GetChildInfo(XAMetadataTraversalItf self,

    65                                                XAuint32 index,

    66                                                XAint32 *pNodeID,

    67                                                XAuint32 *pType,

    68                                                XAuint32 size,

    69                                                XAchar *pMimeType);

    70 

    71 XAresult XAMetadataTraversalItfImpl_SetActiveNode(XAMetadataTraversalItf self,

    72                                                 XAuint32 index);

    73 

    74 #ifdef _GSTREAMER_BACKEND_  

    75 /* XAMetadataExtractionItfImpl -specific methods */

    76 XAMetadataTraversalImpl* XAMetadataTraversalItfImpl_Create(XAAdaptationBaseCtx *adapCtx);

    77 #endif

    78 void XAMetadataTraversalItfImpl_Free(XAMetadataTraversalImpl* self);

    79 

    80 #endif /* XAMETADATATRAVERSALITF_H */