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 #ifdef _GSTREAMER_BACKEND_  

    26 #include "XAStaticCapsAdaptation.h"

    27 #endif

    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 #ifdef _GSTREAMER_BACKEND_  

    76             XAStaticCapsData temp;

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

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

    79             res = XAStaticCapsAdapt_GetCapsByIdx(XACAP_DECODER|XACAP_IMAGE, *pDecoderId, &temp);

    80             if( res == XA_RESULT_SUCCESS )

    81             {

    82                 /* map applicable values to XAAudioCodecCapabilities */

    83                 pDescriptor->codecId = temp.xaid;

    84                 pDescriptor->maxWidth = temp.maxW;

    85                 pDescriptor->maxHeight = temp.maxH;

    86             }

    87 #endif

    88         }

    89     }

    90 

    91     DEBUG_API("<-XAImageDecoderCapabilitiesItfImpl_GetImageDecoderCapabilities");

    92     return res;

    93 }

    94 

    95 /* XAresult XAImageDecoderCapabilitiesItfImpl_QueryColorFormats

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

    97  *              by the image decoder.

    98  */

    99 XAresult XAImageDecoderCapabilitiesItfImpl_QueryColorFormats(

   100                             const XAImageDecoderCapabilitiesItf self,

   101                             XAuint32* pIndex,

   102                             XAuint32* pColorFormats)

   103 {

   104     XAImageDecoderCapabilitiesItfImpl* impl = NULL;

   105     XAresult res = XA_RESULT_SUCCESS;

   106     DEBUG_API("->XAImageDecoderCapabilitiesItfImpl_QueryColorFormats");

   107     impl = GetImpl(self);

   108     if( !impl || !pIndex )

   109     {

   110         DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

   111         res = XA_RESULT_PARAMETER_INVALID;

   112     }

   113     else

   114     {

   115 #ifdef _GSTREAMER_BACKEND_

   116         res = XAStaticCapsAdapt_QueryColorFormats(pIndex, pColorFormats);

   117 #endif        

   118     }

   119     DEBUG_API("<-XAImageDecoderCapabilitiesItfImpl_QueryColorFormats");

   120     return res;

   121 }

   122 

   123 /**

   124  * XAImageDecoderCapabilitiesItfImpl -specific methods

   125  **/

   126 

   127 /* XAImageDecoderCapabilitiesItfImpl_Create

   128  * Description: Allocate and initialize XAImageDecoderCapabilitiesItfImpl

   129  */

   130 XAImageDecoderCapabilitiesItfImpl* XAImageDecoderCapabilitiesItfImpl_Create()

   131 {

   132     XAImageDecoderCapabilitiesItfImpl* self = (XAImageDecoderCapabilitiesItfImpl*)

   133         calloc(1,sizeof(XAImageDecoderCapabilitiesItfImpl));

   134     DEBUG_API("->XAImageDecoderCapabilitiesItfImpl_Create");

   135 

   136     if( self )

   137     {

   138         /* init itf default implementation */

   139         self->itf.GetImageDecoderCapabilities =

   140             XAImageDecoderCapabilitiesItfImpl_GetImageDecoderCapabilities;

   141         self->itf.QueryColorFormats =

   142             XAImageDecoderCapabilitiesItfImpl_QueryColorFormats;

   143 

   144 #ifdef _GSTREAMER_BACKEND_  

   145         /* init variables */

   146         assert( XAStaticCapsAdapt_GetCapsCount( XACAP_DECODER|XACAP_IMAGE,

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

   148 #endif

   149         self->self = self;

   150     }

   151     DEBUG_API("<-XAImageDecoderCapabilitiesItfImpl_Create");

   152     return self;

   153 }

   154 

   155 /* void XAImageDecoderCapabilitiesItfImpl_Free

   156  * Description: Free all resources reserved at XAImageDecoderCapabilitiesItfImpl

   157  */

   158 void XAImageDecoderCapabilitiesItfImpl_Free(XAImageDecoderCapabilitiesItfImpl* self)

   159 {

   160     DEBUG_API("->XAImageDecoderCapabilitiesItfImpl_Free");

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

   162     free(self);

   163     DEBUG_API("<-XAImageDecoderCapabilitiesItfImpl_Free");

   164 }