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 #include "xaglobals.h"

    23 #include "xaimageencodercapabilitiesitf.h"

    24 #ifdef _GSTREAMER_BACKEND_  

    25 #include "XAStaticCapsAdaptation.h"

    26 #endif

    27 /* XAImageEncoderCapabilitiesItfImpl* GetImpl

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

    29  */

    30 static XAImageEncoderCapabilitiesItfImpl* GetImpl(XAImageEncoderCapabilitiesItf self)

    31 {

    32     if( self )

    33     {

    34         XAImageEncoderCapabilitiesItfImpl* impl = (XAImageEncoderCapabilitiesItfImpl*)(*self);

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

    36         {

    37             return impl;

    38         }

    39     }

    40     return NULL;

    41 }

    42 

    43 /**

    44  * Base interface XAImageEncoderCapabilitiesItf implementation

    45  **/

    46 

    47 /* XAresult XAImageEncoderCapabilitiesItfImpl_GetImageEncoderCapabilities

    48  * Description: Retrieves image encoder capabilities.

    49  */

    50 XAresult XAImageEncoderCapabilitiesItfImpl_GetImageEncoderCapabilities(

    51                             XAImageEncoderCapabilitiesItf self,

    52                             XAuint32* pEncoderId,

    53                             XAImageCodecDescriptor* pDescriptor)

    54 {

    55     XAImageEncoderCapabilitiesItfImpl* impl = NULL;

    56     XAresult res = XA_RESULT_SUCCESS;

    57     DEBUG_API("->XAImageEncoderCapabilitiesItfImpl_GetImageEncoderCapabilities");

    58 

    59     impl = GetImpl(self);

    60 

    61     if( !impl || !pEncoderId )

    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 encoders */

    70             *pEncoderId = 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_ENCODER|XACAP_IMAGE, *pEncoderId, &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("<-XAImageEncoderCapabilitiesItfImpl_GetImageEncoderCapabilities");

    92     return res;

    93 }

    94 

    95 /* XAresult XAImageEncoderCapabilitiesItfImpl_QueryColorFormats

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

    97  *              by the image encoder.

    98  */

    99 XAresult XAImageEncoderCapabilitiesItfImpl_QueryColorFormats(

   100                             const XAImageEncoderCapabilitiesItf self,

   101                             XAuint32* pIndex,

   102                             XAuint32* pColorFormats)

   103 {

   104     XAImageEncoderCapabilitiesItfImpl* impl = NULL;

   105     XAresult res = XA_RESULT_SUCCESS;

   106     DEBUG_API("->XAImageEncoderCapabilitiesItfImpl_QueryColorFormats");

   107 

   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 #ifdef _GSTREAMER_BACKEND_

   117         res = XAStaticCapsAdapt_QueryColorFormats(pIndex, pColorFormats);

   118 #endif        

   119     }

   120     DEBUG_API("<-XAImageEncoderCapabilitiesItfImpl_QueryColorFormats");

   121     return res;

   122 }

   123 

   124 /**

   125  * XAImageEncoderCapabilitiesItfImpl -specific methods

   126  **/

   127 

   128 /* XAImageEncoderCapabilitiesItfImpl_Create

   129  * Description: Allocate and initialize XAImageEncoderCapabilitiesItfImpl

   130  */

   131 XAImageEncoderCapabilitiesItfImpl* XAImageEncoderCapabilitiesItfImpl_Create()

   132 {

   133     XAImageEncoderCapabilitiesItfImpl* self = (XAImageEncoderCapabilitiesItfImpl*)

   134         calloc(1,sizeof(XAImageEncoderCapabilitiesItfImpl));

   135     DEBUG_API("->XAImageEncoderCapabilitiesItfImpl_Create");

   136 

   137     if( self )

   138     {

   139         /* init itf default implementation */

   140         self->itf.GetImageEncoderCapabilities =

   141             XAImageEncoderCapabilitiesItfImpl_GetImageEncoderCapabilities;

   142         self->itf.QueryColorFormats =

   143             XAImageEncoderCapabilitiesItfImpl_QueryColorFormats;

   144 

   145 #ifdef _GSTREAMER_BACKEND_  

   146         /* init variables */

   147         assert( XAStaticCapsAdapt_GetCapsCount( XACAP_ENCODER|XACAP_IMAGE,

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

   149 #endif

   150         self->self = self;

   151     }

   152     DEBUG_API("<-XAImageEncoderCapabilitiesItfImpl_Create");

   153     return self;

   154 }

   155 

   156 /* void XAImageEncoderCapabilitiesItfImpl_Free

   157  * Description: Free all resources reserved at XAImageEncoderCapabilitiesItfImpl

   158  */

   159 void XAImageEncoderCapabilitiesItfImpl_Free(XAImageEncoderCapabilitiesItfImpl* self)

   160 {

   161     DEBUG_API("->XAImageEncoderCapabilitiesItfImpl_Free");

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

   163     free(self);

   164     DEBUG_API("<-XAImageEncoderCapabilitiesItfImpl_Free");

   165 }