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 #include <stdio.h>

    19 #include <stdlib.h>

    20 #include <assert.h>

    21 #include <string.h>

    22 

    23 #include "xaglobals.h"

    24 #include "xaimagedecodercapabilitiesitf.h"

    25   

    26 #include "xacapabilitiesmgr.h"

    27 

    28 /* XAImageDecoderCapabilitiesItfImpl* GetImpl

    29  * Description: Validate interface pointer and cast it to implementation pointer.

    30  */

    31 static XAImageDecoderCapabilitiesItfImpl* GetImpl(XAImageDecoderCapabilitiesItf self)

    32 {

    33     if( self )

    34     {

    35         XAImageDecoderCapabilitiesItfImpl* impl = (XAImageDecoderCapabilitiesItfImpl*)(*self);

    36         if( impl && (impl == impl->self) )

    37         {

    38             return impl;

    39         }

    40     }

    41     return NULL;

    42 }

    43 

    44 /**

    45  * Base interface XAImageDecoderCapabilitiesItf implementation

    46  **/

    47 

    48 /* XAresult XAImageDecoderCapabilitiesItfImpl_GetImageDecoderCapabilities

    49  * Description: Retrieves image decoder capabilities.

    50  */

    51 XAresult XAImageDecoderCapabilitiesItfImpl_GetImageDecoderCapabilities(

    52                             XAImageDecoderCapabilitiesItf self,

    53                             XAuint32* pDecoderId,

    54                             XAImageCodecDescriptor* pDescriptor)

    55 {

    56     XAImageDecoderCapabilitiesItfImpl* impl = NULL;

    57     XAresult res = XA_RESULT_SUCCESS;

    58     DEBUG_API("->XAImageDecoderCapabilitiesItfImpl_GetImageDecoderCapabilities");

    59 

    60     impl = GetImpl(self);

    61     if( !impl || !pDecoderId )

    62     {

    63         DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

    64         res = XA_RESULT_PARAMETER_INVALID;

    65     }

    66     else

    67     {

    68         if( !pDescriptor )

    69         {   /* query number of image decoders */

    70             *pDecoderId = impl->numCodecs;

    71         }

    72         else

    73         {

    74             /* query capabilities from adaptation using codec id */

    75   

    76             XACapabilities temp;

    77             memset(pDescriptor,0,sizeof(XAImageCodecDescriptor));

    78             /* here pEncoderId refers to index rather than codec id */

    79             res = XACapabilitiesMgr_GetCapsByIdx(NULL, (XACapsType)(XACAP_DECODER|XACAP_IMAGE), *pDecoderId, &temp);

    80             if( res == XA_RESULT_SUCCESS )

    81             {

    82                 XAImageCodecDescriptor* desc = (XAImageCodecDescriptor*)(&temp.pEntry);

    83                 /* map applicable values to XAAudioCodecCapabilities */

    84                 pDescriptor->codecId = temp.xaid;

    85                 pDescriptor->maxWidth = desc->maxWidth;

    86                 pDescriptor->maxHeight = desc->maxHeight;

    87             }

    88 

    89         }

    90     }

    91 

    92     DEBUG_API("<-XAImageDecoderCapabilitiesItfImpl_GetImageDecoderCapabilities");

    93     return res;

    94 }

    95 

    96 /* XAresult XAImageDecoderCapabilitiesItfImpl_QueryColorFormats

    97  * Description: This method is used to query the color formats supported

    98  *              by the image decoder.

    99  */

   100 XAresult XAImageDecoderCapabilitiesItfImpl_QueryColorFormats(

   101                             const XAImageDecoderCapabilitiesItf self,

   102                             XAuint32* pIndex,

   103                             XAuint32* pColorFormats)

   104 {

   105     XAImageDecoderCapabilitiesItfImpl* impl = NULL;

   106     XAresult res = XA_RESULT_SUCCESS;

   107     DEBUG_API("->XAImageDecoderCapabilitiesItfImpl_QueryColorFormats");

   108     impl = GetImpl(self);

   109     if( !impl || !pIndex )

   110     {

   111         DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

   112         res = XA_RESULT_PARAMETER_INVALID;

   113     }

   114     else

   115     {

   116 

   117         res = XACapabilitiesMgr_QueryColorFormats(NULL, pIndex, pColorFormats);

   118         

   119     }

   120     DEBUG_API("<-XAImageDecoderCapabilitiesItfImpl_QueryColorFormats");

   121     return res;

   122 }

   123 

   124 /**

   125  * XAImageDecoderCapabilitiesItfImpl -specific methods

   126  **/

   127 

   128 /* XAImageDecoderCapabilitiesItfImpl_Create

   129  * Description: Allocate and initialize XAImageDecoderCapabilitiesItfImpl

   130  */

   131 XAImageDecoderCapabilitiesItfImpl* XAImageDecoderCapabilitiesItfImpl_Create()

   132 {

   133     XAImageDecoderCapabilitiesItfImpl* self = (XAImageDecoderCapabilitiesItfImpl*)

   134         calloc(1,sizeof(XAImageDecoderCapabilitiesItfImpl));

   135     DEBUG_API("->XAImageDecoderCapabilitiesItfImpl_Create");

   136 

   137     if( self )

   138     {

   139         /* init itf default implementation */

   140         self->itf.GetImageDecoderCapabilities =

   141             XAImageDecoderCapabilitiesItfImpl_GetImageDecoderCapabilities;

   142         self->itf.QueryColorFormats =

   143             XAImageDecoderCapabilitiesItfImpl_QueryColorFormats;

   144 

   145   

   146         /* init variables */

   147         assert( XACapabilitiesMgr_GetCapsCount( NULL, (XACapsType)(XACAP_DECODER|XACAP_IMAGE),

   148                                   &(self->numCodecs) ) == XA_RESULT_SUCCESS );

   149 

   150         self->self = self;

   151     }

   152     DEBUG_API("<-XAImageDecoderCapabilitiesItfImpl_Create");

   153     return self;

   154 }

   155 

   156 /* void XAImageDecoderCapabilitiesItfImpl_Free

   157  * Description: Free all resources reserved at XAImageDecoderCapabilitiesItfImpl

   158  */

   159 void XAImageDecoderCapabilitiesItfImpl_Free(XAImageDecoderCapabilitiesItfImpl* self)

   160 {

   161     DEBUG_API("->XAImageDecoderCapabilitiesItfImpl_Free");

   162     assert(self==self->self);

   163     free(self);

   164     DEBUG_API("<-XAImageDecoderCapabilitiesItfImpl_Free");

   165 }