author | hgs |
Tue, 21 Sep 2010 11:38:43 -0500 | |
changeset 53 | eabc8c503852 |
parent 33 | 5e8b14bae8c3 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Metadata Extraction Interface Implementation |
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* |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include "xametadataextractionitf.h" |
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#include "xadebug.h" |
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#include "xaadaptationmmf.h" |
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#include "xametadataadaptctxmmf.h" |
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#include "xamediaplayeradaptctxmmf.h" |
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#include "cmetadatautilityitf.h" |
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||
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/* XAMetadataExtractionItfImpl* GetImpl(XAMetadataExtractionItf self) |
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* Description: Validate interface pointer and cast it to implementation pointer. |
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**/ |
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static XAMetadataExtractionItfImpl* GetImpl(XAMetadataExtractionItf self) |
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{ |
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if (self) |
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{ |
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XAMetadataExtractionItfImpl* impl = |
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(XAMetadataExtractionItfImpl*) (*self); |
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if (impl && (impl == impl->self)) |
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{ |
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return impl; |
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} |
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} |
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return NULL; |
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} |
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static void* GetMetadataUtilityContext(XAAdaptationMMFCtx* adaptCtx) |
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{ |
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if (adaptCtx) |
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{ |
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switch (adaptCtx->baseObj.ctxId) |
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{ |
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case XAMediaPlayerAdaptation: |
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return ((XAMediaPlayerAdaptationMMFCtx*) adaptCtx)->mmfMetadataContext; |
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case XAMDAdaptation: |
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return ((XAMetadataAdaptationMMFCtx*) adaptCtx)->mmfContext; |
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default: |
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break; |
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} |
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} |
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return NULL; |
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} |
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/***************************************************************************** |
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* Base interface XAMetadataExtractionItf implementation |
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*****************************************************************************/ |
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/* |
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* Returns the number of metadata items within the current scope of the object. |
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* @XAuint32 *pItemCount |
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* Number of metadata items. Must be non-NULL |
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*/ |
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XAresult XAMetadataExtractionItfImpl_GetItemCount( |
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XAMetadataExtractionItf self, XAuint32 *pItemCount) |
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{ |
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XAMetadataExtractionItfImpl *impl = NULL; |
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XAresult res = XA_RESULT_SUCCESS; |
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DEBUG_API("->XAMetadataExtractionItfImpl_GetItemCount"); |
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impl = GetImpl(self); |
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/* check parameters */ |
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if (!impl || !pItemCount) |
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{ |
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DEBUG_ERR("XA_RESULT_PARAMETER_INVALID"); |
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res = XA_RESULT_PARAMETER_INVALID; |
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} |
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else |
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{ |
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if (impl->adaptCtx) |
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{ |
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if (impl->adaptCtx->fwtype == FWMgrFWMMF) |
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{ |
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void *mmfCtx = GetMetadataUtilityContext( |
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(XAAdaptationMMFCtx*) impl->adaptCtx); |
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if (mmfCtx) |
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{ |
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res = mmf_get_item_count(mmfCtx, pItemCount); |
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} |
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else |
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{ |
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res = XA_RESULT_PARAMETER_INVALID; |
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} |
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} |
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else |
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{ |
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res = XA_RESULT_PARAMETER_INVALID; |
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} |
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} |
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else |
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{ |
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res = XA_RESULT_INTERNAL_ERROR; |
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} |
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DEBUG_INFO_A1("itemCount = %d", (int)*pItemCount); |
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} |
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DEBUG_API_A1("<-XAMetadataExtractionItfImpl_GetItemCount (%d)", (int)res); |
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return res; |
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} |
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/* |
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* Returns the byte size of a given metadata key |
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* |
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* @XAuint32 index |
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* Metadata item Index. Range is [0, GetItemCount) |
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* @XAuint32 *pKeySize |
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* Address to store key size. size must be greater than 0. Must be non-NULL |
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*/ |
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XAresult XAMetadataExtractionItfImpl_GetKeySize(XAMetadataExtractionItf self, |
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XAuint32 index, XAuint32 *pKeySize) |
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{ |
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XAMetadataExtractionItfImpl *impl = NULL; |
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XAresult res = XA_RESULT_SUCCESS; |
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DEBUG_API("->XAMetadataExtractionItfImpl_GetKeySize"); |
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impl = GetImpl(self); |
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if (!impl || !pKeySize) |
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{ |
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DEBUG_ERR("XA_RESULT_PARAMETER_INVALID"); |
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DEBUG_API("<-XAMetadataExtractionItfImpl_GetKeySize"); |
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return XA_RESULT_PARAMETER_INVALID; |
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} |
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*pKeySize = 0; |
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if (impl->adaptCtx && impl->adaptCtx->fwtype == FWMgrFWMMF) |
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{ |
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void *mmfCtx = GetMetadataUtilityContext( |
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(XAAdaptationMMFCtx*) impl->adaptCtx); |
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if (mmfCtx) |
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{ |
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res = mmf_get_key_size(mmfCtx, index, pKeySize); |
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} |
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else |
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{ |
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res = XA_RESULT_PARAMETER_INVALID; |
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} |
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} |
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else |
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{ |
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res = XA_RESULT_PARAMETER_INVALID; |
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} |
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DEBUG_API_A1("<-XAMetadataExtractionItfImpl_GetKeySize (%d)", (int)res); |
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return res; |
25 | 167 |
} |
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/* |
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* Returns a XAMetadataInfo structure and associated data referenced by the structure for a key. |
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* @XAuint32 index |
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* Metadata item Index. Range is [0, GetItemCount()) |
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* @XAuint32 keySize |
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* Size of the memory block passed as key. Range is [1, GetKeySize]. |
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* @XAMetadataInfo *pKey |
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* Address to store the key. Must be non-NULL |
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*/ |
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XAresult XAMetadataExtractionItfImpl_GetKey(XAMetadataExtractionItf self, |
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XAuint32 index, XAuint32 keySize, XAMetadataInfo *pKey) |
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{ |
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XAMetadataExtractionItfImpl *impl = NULL; |
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XAresult res = XA_RESULT_SUCCESS; |
25 | 183 |
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DEBUG_API("->XAMetadataExtractionItfImpl_GetKey"); |
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impl = GetImpl(self); |
25 | 187 |
if (!impl || !pKey) |
188 |
{ |
|
33 | 189 |
DEBUG_ERR("XA_RESULT_PARAMETER_INVALID"); |
190 |
DEBUG_API("<-XAMetadataExtractionItfImpl_GetKey"); |
|
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191 |
return XA_RESULT_PARAMETER_INVALID; |
25 | 192 |
} |
193 |
||
194 |
memset(pKey, 0, keySize); |
|
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195 |
|
25 | 196 |
if (impl->adaptCtx && impl->adaptCtx->fwtype == FWMgrFWMMF) |
197 |
{ |
|
198 |
void *mmfCtx = GetMetadataUtilityContext( |
|
199 |
(XAAdaptationMMFCtx*) impl->adaptCtx); |
|
200 |
if (mmfCtx) |
|
201 |
{ |
|
202 |
res = mmf_get_key(mmfCtx, index, keySize, pKey); |
|
203 |
} |
|
204 |
else |
|
205 |
{ |
|
206 |
res = XA_RESULT_PARAMETER_INVALID; |
|
207 |
} |
|
208 |
} |
|
209 |
else |
|
210 |
{ |
|
53 | 211 |
res = XA_RESULT_PARAMETER_INVALID; |
25 | 212 |
} |
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|
213 |
|
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214 |
DEBUG_API_A1("<-XAMetadataExtractionItfImpl_GetKey (%d)", (int)res); |
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215 |
return res; |
25 | 216 |
} |
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|
217 |
|
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218 |
/* |
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219 |
* Returns the byte size of a given metadata value |
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* @XAuint32 index |
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* Metadata item Index. Range is [0, GetItemCount()) |
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* @XAuint32 *pValueSize |
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223 |
* Address to store value size. size must be greater than 0. Must be non-NULL |
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224 |
*/ |
25 | 225 |
XAresult XAMetadataExtractionItfImpl_GetValueSize( |
226 |
XAMetadataExtractionItf self, XAuint32 index, XAuint32 *pValueSize) |
|
227 |
{ |
|
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XAMetadataExtractionItfImpl *impl = NULL; |
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229 |
XAresult res = XA_RESULT_SUCCESS; |
53 | 230 |
|
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231 |
DEBUG_API("->XAMetadataExtractionItfImpl_GetValueSize"); |
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232 |
|
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|
233 |
impl = GetImpl(self); |
25 | 234 |
if (!impl || !pValueSize) |
235 |
{ |
|
33 | 236 |
DEBUG_ERR("XA_RESULT_PARAMETER_INVALID"); |
237 |
DEBUG_API("<-XAMetadataExtractionItfImpl_GetValueSize"); |
|
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238 |
return XA_RESULT_PARAMETER_INVALID; |
25 | 239 |
} |
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240 |
*pValueSize = 0; |
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241 |
|
25 | 242 |
if (impl->adaptCtx && impl->adaptCtx->fwtype == FWMgrFWMMF) |
243 |
{ |
|
244 |
void *mmfCtx = GetMetadataUtilityContext( |
|
245 |
(XAAdaptationMMFCtx*) impl->adaptCtx); |
|
246 |
if (mmfCtx) |
|
247 |
{ |
|
248 |
res = mmf_get_value_size(mmfCtx, index, pValueSize); |
|
249 |
} |
|
250 |
else |
|
251 |
{ |
|
252 |
res = XA_RESULT_PARAMETER_INVALID; |
|
253 |
} |
|
254 |
} |
|
255 |
else |
|
256 |
{ |
|
53 | 257 |
res = XA_RESULT_PARAMETER_INVALID; |
25 | 258 |
} |
19 | 259 |
|
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|
260 |
DEBUG_API_A1("<-XAMetadataExtractionItfImpl_GetValueSize (%d)", (int)res); |
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261 |
return res; |
25 | 262 |
} |
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|
263 |
|
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|
264 |
/* |
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265 |
* Returns a XAMetadataInfo structure and associated data referenced by the structure for a value. |
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266 |
* @XAuint32 index |
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|
267 |
* Metadata item Index. Range is [0, GetItemCount()) |
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268 |
* @XAuint32 valueSize |
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269 |
* Size of the memory block passed as value. Range is [0, GetValueSize] |
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270 |
* @XAMetadataInfo *pValue |
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271 |
* Address to store the value. Must be non-NULL |
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272 |
*/ |
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|
273 |
XAresult XAMetadataExtractionItfImpl_GetValue(XAMetadataExtractionItf self, |
25 | 274 |
XAuint32 index, XAuint32 valueSize, XAMetadataInfo *pValue) |
275 |
{ |
|
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276 |
XAMetadataExtractionItfImpl *impl = NULL; |
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|
277 |
XAresult res = XA_RESULT_SUCCESS; |
25 | 278 |
|
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|
279 |
DEBUG_API("->XAMetadataExtractionItfImpl_GetValue"); |
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|
280 |
|
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|
281 |
impl = GetImpl(self); |
25 | 282 |
if (!impl || !pValue) |
283 |
{ |
|
33 | 284 |
DEBUG_ERR("XA_RESULT_PARAMETER_INVALID"); |
285 |
DEBUG_API("<-XAMetadataExtractionItfImpl_GetValue"); |
|
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|
286 |
return XA_RESULT_PARAMETER_INVALID; |
25 | 287 |
} |
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|
288 |
|
25 | 289 |
memset(pValue, 0, valueSize); |
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|
290 |
|
25 | 291 |
if (impl->adaptCtx && impl->adaptCtx->fwtype == FWMgrFWMMF) |
292 |
{ |
|
293 |
void *mmfCtx = GetMetadataUtilityContext( |
|
294 |
(XAAdaptationMMFCtx*) impl->adaptCtx); |
|
295 |
if (mmfCtx) |
|
296 |
{ |
|
297 |
res = mmf_get_value(mmfCtx, index, valueSize, pValue); |
|
298 |
} |
|
299 |
else |
|
300 |
{ |
|
301 |
res = XA_RESULT_PARAMETER_INVALID; |
|
302 |
} |
|
303 |
} |
|
304 |
else |
|
305 |
{ |
|
53 | 306 |
res = XA_RESULT_PARAMETER_INVALID; |
25 | 307 |
} |
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|
308 |
|
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|
309 |
DEBUG_API_A1("<-XAMetadataExtractionItfImpl_GetValue (%d)",(int)res); |
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|
310 |
return res; |
25 | 311 |
} |
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|
312 |
|
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|
313 |
/* |
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|
314 |
* Adds a filter for a specific key |
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|
315 |
* @XAuint32 keySize |
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|
316 |
* Size in bytes, of the pKey parameter. Ignored if filtering by key is disabled |
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|
317 |
* @const void *pKey |
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|
318 |
* The key to filter by. The entire key must match. Ignored if filtering by key is disabled. |
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|
319 |
* @XAuint32 keyEncoding |
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|
320 |
* Character encoding of the pKey parameter. Ignored if filtering by key is disabled |
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|
321 |
* @const XAchar *pValueLangCountry |
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|
322 |
* Language / country code of the value to filter by. Ignored if filtering by language / country is disabled |
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|
323 |
* @XAuint32 valueEncoding |
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|
324 |
* Encoding of the value to filter by. Ignored if filtering by encoding is disabled |
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|
325 |
* @XAuint8 filterMask |
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|
326 |
* Bitmask indicating which criteria to filter by. Should be one of the XA_METADATA_FILTER macros |
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|
327 |
*/ |
25 | 328 |
XAresult XAMetadataExtractionItfImpl_AddKeyFilter( |
329 |
XAMetadataExtractionItf self, XAuint32 keySize, const void *pKey, |
|
330 |
XAuint32 keyEncoding, const XAchar *pValueLangCountry, |
|
331 |
XAuint32 valueEncoding, XAuint8 filterMask) |
|
332 |
{ |
|
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|
333 |
XAresult res = XA_RESULT_SUCCESS; |
25 | 334 |
|
53 | 335 |
XAMetadataExtractionItfImpl *impl = NULL; |
25 | 336 |
|
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|
337 |
impl = GetImpl(self); |
19 | 338 |
|
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|
339 |
DEBUG_API("->XAMetadataExtractionItfImpl_AddKeyFilter"); |
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|
340 |
|
25 | 341 |
if (!impl) |
342 |
{ |
|
33 | 343 |
DEBUG_ERR("XA_RESULT_PARAMETER_INVALID"); |
344 |
DEBUG_API("<-XAMetadataExtractionItfImpl_AddKeyFilter"); |
|
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|
345 |
return XA_RESULT_PARAMETER_INVALID; |
25 | 346 |
} |
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|
347 |
else |
25 | 348 |
{ |
349 |
||
350 |
if (impl->adaptCtx && impl->adaptCtx->fwtype == FWMgrFWMMF) |
|
351 |
{ |
|
352 |
DEBUG_API("<-XAMetadataExtractionItfImpl_AddKeyFilter Not Supported in MMF"); |
|
353 |
res = XA_RESULT_PARAMETER_INVALID; |
|
354 |
} |
|
355 |
else |
|
356 |
{ |
|
53 | 357 |
DEBUG_API("<-XAMetadataExtractionItfImpl_AddKeyFilter Not Supported in GST"); |
358 |
res = XA_RESULT_PARAMETER_INVALID; |
|
25 | 359 |
} |
33 | 360 |
} |
361 |
DEBUG_API_A1("<-XAMetadataExtractionItfImpl_AddKeyFilter (%d)", (int)res); |
|
25 | 362 |
return res; |
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|
363 |
} |
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|
364 |
|
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|
365 |
/* |
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|
366 |
* Clears the key filter |
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|
367 |
*/ |
25 | 368 |
XAresult XAMetadataExtractionItfImpl_ClearKeyFilter( |
369 |
XAMetadataExtractionItf self) |
|
370 |
{ |
|
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|
371 |
XAMetadataExtractionItfImpl *impl = NULL; |
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|
372 |
XAresult res = XA_RESULT_SUCCESS; |
25 | 373 |
|
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|
374 |
DEBUG_API("->XAMetadataExtractionItfImpl_ClearKeyFilter"); |
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|
375 |
impl = GetImpl(self); |
25 | 376 |
if (!impl) |
377 |
{ |
|
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|
378 |
DEBUG_ERR("XA_RESULT_PARAMETER_INVALID"); |
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res = XA_RESULT_PARAMETER_INVALID; |
25 | 380 |
} |
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381 |
else |
25 | 382 |
{ |
19 | 383 |
|
25 | 384 |
if (impl->adaptCtx && impl->adaptCtx->fwtype == FWMgrFWMMF) |
385 |
{ |
|
386 |
DEBUG_API("<-XAMetadataExtractionItfImpl_ClearKeyFilter Not Supported in MMF"); |
|
387 |
res = XA_RESULT_PARAMETER_INVALID; |
|
388 |
} |
|
389 |
else |
|
390 |
{ |
|
53 | 391 |
DEBUG_API("<-XAMetadataExtractionItfImpl_ClearKeyFilter Not Supported in GST"); |
392 |
res = XA_RESULT_PARAMETER_INVALID; |
|
25 | 393 |
} |
394 |
} |
|
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395 |
|
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396 |
DEBUG_API_A1("<-XAMetadataExtractionItfImpl_ClearKeyFilter (%d)", (int)res); |
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|
397 |
return res; |
25 | 398 |
} |
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|
399 |
|
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400 |
/***************************************************************************** |
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401 |
* XAMetadataExtractionItfImpl -specific methods |
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402 |
*****************************************************************************/ |
19 | 403 |
|
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404 |
/* XAMetadataExtractionItfImpl* XAMetadataExtractionItfImpl_Create() |
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405 |
* Description: Allocate and initialize XAMetadataExtractionItfImpl |
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406 |
*/ |
25 | 407 |
XAMetadataExtractionItfImpl* XAMetadataExtractionItfImpl_Create( |
408 |
XAAdaptationBaseCtx *adaptCtx) |
|
409 |
{ |
|
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410 |
XAMetadataExtractionItfImpl *self = NULL; |
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411 |
DEBUG_API("->XAMetadataExtractionItfImpl_Create"); |
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412 |
|
25 | 413 |
self = (XAMetadataExtractionItfImpl*) calloc(1, |
414 |
sizeof(XAMetadataExtractionItfImpl)); |
|
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415 |
|
25 | 416 |
if (self) |
417 |
{ |
|
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418 |
/* init itf default implementation */ |
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419 |
self->itf.GetItemCount = XAMetadataExtractionItfImpl_GetItemCount; |
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self->itf.GetKeySize = XAMetadataExtractionItfImpl_GetKeySize; |
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self->itf.GetKey = XAMetadataExtractionItfImpl_GetKey; |
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self->itf.GetValueSize = XAMetadataExtractionItfImpl_GetValueSize; |
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self->itf.GetValue = XAMetadataExtractionItfImpl_GetValue; |
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self->itf.AddKeyFilter = XAMetadataExtractionItfImpl_AddKeyFilter; |
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self->itf.ClearKeyFilter = XAMetadataExtractionItfImpl_ClearKeyFilter; |
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|
426 |
|
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427 |
/* init variables */ |
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428 |
self->adaptCtx = adaptCtx; |
19 | 429 |
|
25 | 430 |
if (self->adaptCtx->fwtype != FWMgrFWMMF) |
431 |
{ |
|
432 |
XAAdaptationBase_AddEventHandler(adaptCtx, |
|
433 |
&XAMetadataExtractionItfImp_AdaptCb, XA_METADATAEVENTS, |
|
434 |
self); |
|
435 |
} |
|
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|
436 |
|
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|
437 |
self->self = self; |
25 | 438 |
} |
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|
439 |
|
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|
440 |
DEBUG_API("<-XAMetadataExtractionItfImpl_Create"); |
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441 |
return self; |
25 | 442 |
} |
19 | 443 |
|
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444 |
/* void XAMetadataExtractionItfImpl_Free(XAMetadataExtractionItfImpl* self) |
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445 |
* Description: Free all resources reserved at XAMetadataExtractionItfImpl_Create |
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446 |
*/ |
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447 |
void XAMetadataExtractionItfImpl_Free(XAMetadataExtractionItfImpl* self) |
25 | 448 |
{ |
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449 |
DEBUG_API("->XAMetadataExtractionItfImpl_Free"); |
25 | 450 |
|
451 |
if (self->adaptCtx->fwtype != FWMgrFWMMF) |
|
452 |
{ |
|
453 |
XAAdaptationBase_RemoveEventHandler(self->adaptCtx, |
|
454 |
&XAMetadataExtractionItfImp_AdaptCb); |
|
455 |
} |
|
19 | 456 |
|
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457 |
free(self); |
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458 |
DEBUG_API("<-XAMetadataExtractionItfImpl_Free"); |
25 | 459 |
} |
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|
460 |
|
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|
461 |
/* With this method, adaptation infroms that new tags are found (e.g. if source, |
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|
462 |
* has changed, live stream contains metadata...) |
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|
463 |
*/ |
25 | 464 |
void XAMetadataExtractionItfImp_AdaptCb(void *pHandlerCtx, |
465 |
XAAdaptEvent *event) |
|
466 |
{ |
|
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|
467 |
XAMetadataExtractionItfImpl* impl = NULL; |
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|
468 |
DEBUG_API("->XAMetadataExtractionItfImp_AdaptCb"); |
25 | 469 |
impl = (XAMetadataExtractionItfImpl*) pHandlerCtx; |
470 |
if (!impl) |
|
471 |
{ |
|
33 | 472 |
DEBUG_ERR("XAMetadataExtractionItfImp_AdaptCb, invalid context pointer!"); |
473 |
DEBUG_API("<-XAMetadataExtractionItfImp_AdaptCb"); |
|
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|
474 |
return; |
25 | 475 |
} |
53 | 476 |
DEBUG_INFO("unhandled"); |
33 | 477 |
DEBUG_API("<-XAMetadataExtractionItfImp_AdaptCb"); |
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|
478 |
} |
19 | 479 |
|
25 | 480 |