/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

#include <stdio.h>

#include <stdlib.h>

#include <assert.h>

#include <string.h>

#include "xaglobals.h"

#include "xaimagedecodercapabilitiesitf.h"

#ifdef _GSTREAMER_BACKEND_  

#include "XAStaticCapsAdaptation.h"

#endif

/* XAImageDecoderCapabilitiesItfImpl* GetImpl

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

 */

static XAImageDecoderCapabilitiesItfImpl* GetImpl(XAImageDecoderCapabilitiesItf self)

{

    if( self )

    {

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

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

        {

            return impl;

        }

    }

    return NULL;

}

/**

 * Base interface XAImageDecoderCapabilitiesItf implementation

 **/

/* XAresult XAImageDecoderCapabilitiesItfImpl_GetImageDecoderCapabilities

 * Description: Retrieves image decoder capabilities.

 */

XAresult XAImageDecoderCapabilitiesItfImpl_GetImageDecoderCapabilities(

                            XAImageDecoderCapabilitiesItf self,

                            XAuint32* pDecoderId,

                            XAImageCodecDescriptor* pDescriptor)

{

    XAImageDecoderCapabilitiesItfImpl* impl = NULL;

    XAresult res = XA_RESULT_SUCCESS;

    DEBUG_API("->XAImageDecoderCapabilitiesItfImpl_GetImageDecoderCapabilities");

    impl = GetImpl(self);

    if( !impl || !pDecoderId )

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        res = XA_RESULT_PARAMETER_INVALID;

    }

    else

    {

        if( !pDescriptor )

        {   /* query number of image decoders */

            *pDecoderId = impl->numCodecs;

        }

        else

        {

            /* query capabilities from adaptation using codec id */

#ifdef _GSTREAMER_BACKEND_  

            XAStaticCapsData temp;

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

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

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

            if( res == XA_RESULT_SUCCESS )

            {

                /* map applicable values to XAAudioCodecCapabilities */

                pDescriptor->codecId = temp.xaid;

                pDescriptor->maxWidth = temp.maxW;

                pDescriptor->maxHeight = temp.maxH;

            }

#endif

        }

    }

    DEBUG_API("<-XAImageDecoderCapabilitiesItfImpl_GetImageDecoderCapabilities");

    return res;

}

/* XAresult XAImageDecoderCapabilitiesItfImpl_QueryColorFormats

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

 *              by the image decoder.

 */

XAresult XAImageDecoderCapabilitiesItfImpl_QueryColorFormats(

                            const XAImageDecoderCapabilitiesItf self,

                            XAuint32* pIndex,

                            XAuint32* pColorFormats)

{

    XAImageDecoderCapabilitiesItfImpl* impl = NULL;

    XAresult res = XA_RESULT_SUCCESS;

    DEBUG_API("->XAImageDecoderCapabilitiesItfImpl_QueryColorFormats");

    impl = GetImpl(self);

    if( !impl || !pIndex )

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        res = XA_RESULT_PARAMETER_INVALID;

    }

    else

    {

#ifdef _GSTREAMER_BACKEND_

        res = XAStaticCapsAdapt_QueryColorFormats(pIndex, pColorFormats);

#endif        

    }

    DEBUG_API("<-XAImageDecoderCapabilitiesItfImpl_QueryColorFormats");

    return res;

}

/**

 * XAImageDecoderCapabilitiesItfImpl -specific methods

 **/

/* XAImageDecoderCapabilitiesItfImpl_Create

 * Description: Allocate and initialize XAImageDecoderCapabilitiesItfImpl

 */

XAImageDecoderCapabilitiesItfImpl* XAImageDecoderCapabilitiesItfImpl_Create()

{

    XAImageDecoderCapabilitiesItfImpl* self = (XAImageDecoderCapabilitiesItfImpl*)

        calloc(1,sizeof(XAImageDecoderCapabilitiesItfImpl));

    DEBUG_API("->XAImageDecoderCapabilitiesItfImpl_Create");

    if( self )

    {

        /* init itf default implementation */

        self->itf.GetImageDecoderCapabilities =

            XAImageDecoderCapabilitiesItfImpl_GetImageDecoderCapabilities;

        self->itf.QueryColorFormats =

            XAImageDecoderCapabilitiesItfImpl_QueryColorFormats;

#ifdef _GSTREAMER_BACKEND_  

        /* init variables */

        assert( XAStaticCapsAdapt_GetCapsCount( XACAP_DECODER|XACAP_IMAGE,

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

#endif

        self->self = self;

    }

    DEBUG_API("<-XAImageDecoderCapabilitiesItfImpl_Create");

    return self;

}

/* void XAImageDecoderCapabilitiesItfImpl_Free

 * Description: Free all resources reserved at XAImageDecoderCapabilitiesItfImpl

 */

void XAImageDecoderCapabilitiesItfImpl_Free(XAImageDecoderCapabilitiesItfImpl* self)

{

    DEBUG_API("->XAImageDecoderCapabilitiesItfImpl_Free");

    assert(self==self->self);

    free(self);

    DEBUG_API("<-XAImageDecoderCapabilitiesItfImpl_Free");

}