/*

* 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 "xacameradevice.h"

#include "xacameraitf.h"

#include "xaconfigextensionsitf.h"

#include "xadynintmgmtitf.h"

#include "xaimagecontrolsitf.h"

#include "xaimageeffectsitf.h"

#include "xavideopostprocessingitf.h"

#include "xathreadsafety.h"

/* Static mapping of enumeration XACameraDeviceInterfaces to interface iids */

static const XAInterfaceID* XACameraDeviceItfIIDs[CAMERA_ITFCOUNT]=

{

    &XA_IID_OBJECT,

    &XA_IID_CAMERA,

    &XA_IID_CONFIGEXTENSION,

    &XA_IID_DYNAMICINTERFACEMANAGEMENT,

    &XA_IID_IMAGECONTROLS,

    &XA_IID_IMAGEEFFECTS,

    &XA_IID_VIDEOPOSTPROCESSING

};

/*****************************************************************************

 * Global methods

 *****************************************************************************/

/* XAResult XACameraDeviceImpl_Create

 * Description: Create object

 */

XAresult XACameraDeviceImpl_CreateCameraDevice(XAObjectItf* pDevice,

                                               XAuint32 deviceID,

                                               XAuint32 numInterfaces,

                                               const XAInterfaceID * pInterfaceIds,

                                               const XAboolean * pInterfaceRequired)

{

    XACameraDeviceImpl* pImpl = NULL;

    XAObjectItfImpl* pBaseObj = NULL;

    XAuint8 itfIndex = 0;

    DEBUG_API("->XACameraDeviceImpl_Create");

    XA_IMPL_THREAD_SAFETY_ENTRY(XATSCamera);

    if( !pDevice )

    {

        XA_IMPL_THREAD_SAFETY_EXIT(XATSCamera);

        /* invalid parameter */

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XACameraDeviceImpl_Create");

        return XA_RESULT_PARAMETER_INVALID;

    }

    /* instantiate object implementation */

    pImpl = (XACameraDeviceImpl*)calloc(1,sizeof(XACameraDeviceImpl));

    if( !pImpl )

    {

        /* memory allocation failed */

        XA_IMPL_THREAD_SAFETY_EXIT(XATSCamera);

        DEBUG_ERR("XA_RESULT_MEMORY_FAILURE");

        DEBUG_API("<-XACameraDeviceImpl_Create");

        return XA_RESULT_MEMORY_FAILURE;

    }

    pBaseObj = &pImpl->baseObj;

    /* Initialize base object default implementation */

    XAObjectItfImpl_Init(pBaseObj,

                         CAMERA_ITFCOUNT,

                         XACameraDeviceItfIIDs,

                         XACameraDeviceImpl_DoRealize,

                         XACameraDeviceImpl_DoResume,

                         XACameraDeviceImpl_FreeResources);

    /* Mark interfaces that need to be exposed */

    /* Implicit and mandated interfaces */

    pBaseObj->interfaceMap[CAMERA_CAMERAITF].required = XA_BOOLEAN_TRUE;

    pBaseObj->interfaceMap[CAMERA_DIMITF].required = XA_BOOLEAN_TRUE;

    /* Explicit interfaces */

    if( (numInterfaces != 0) && pInterfaceIds && pInterfaceRequired )

    {

        /* Check required interfaces */

        for( itfIndex = 0; itfIndex < numInterfaces; itfIndex++ )

        {

            /* If mapEntry is null then required interface is not supported.*/

            XAObjItfMapEntry *entry =

                XAObjectItfImpl_GetItfEntry((XAObjectItf)&(pBaseObj), pInterfaceIds[itfIndex]);

            if( !entry  )

            {

                if( pInterfaceRequired[itfIndex] )

                {

                    /* required interface cannot be accommodated - fail creation */

                    XAObjectItfImpl_Destroy((XAObjectItf)&(pBaseObj));

                    XA_IMPL_THREAD_SAFETY_EXIT(XATSCamera);

                    DEBUG_ERR("Required interface not found - abort creation!");

                    DEBUG_API("<-XACameraDeviceImpl_Create");

                    return XA_RESULT_FEATURE_UNSUPPORTED;

                }

                else

                {

                    DEBUG_INFO("Requested (not required) interface not found - continue creation");

                }

            }

            else

            {

                entry->required = XA_BOOLEAN_TRUE;

            }

        }

    }

    /* Mark interfaces that can be handled dynamically */

    /* Mandated dynamic itfs */

    pBaseObj->interfaceMap[CAMERA_IMAGEEFFECTSITF].isDynamic = XA_BOOLEAN_TRUE;

    /* Initialize XACameraDeviceImpl variables */

    pImpl->deviceID = deviceID;

#ifdef _GSTREAMER_BACKEND_   

    pImpl->adaptationCtx = XACameraAdapt_Create(pImpl->deviceID);

#endif

    /* This code is put here to return Feature Not Supported since adaptation is not present*/

    /*************************************************/

    XAObjectItfImpl_Destroy((XAObjectItf)&(pBaseObj));

    XA_IMPL_THREAD_SAFETY_EXIT(XATSCamera);

    DEBUG_ERR("Required interface not found - abort creation!");

    DEBUG_API("<-XACameraDeviceImpl_Create");

    return XA_RESULT_FEATURE_UNSUPPORTED;    

    /*************************************************/

    /* Set ObjectItf to point to newly created object */

/*

    *pDevice = (XAObjectItf)&(pBaseObj->self);

    XA_IMPL_THREAD_SAFETY_EXIT(XATSCamera);

    DEBUG_API("<-XACameraDeviceImpl_Create");

    return XA_RESULT_SUCCESS;

*/

}

/* XAResult XACameraDeviceImpl_QueryNumSupportedInterfaces

 * Description: Statically query number of supported interfaces

 */

XAresult XACameraDeviceImpl_QueryNumSupportedInterfaces( XAuint32 *pNumSupportedInterfaces )

{

    DEBUG_API("->XACameraDeviceImpl_QueryNumSupportedInterfaces");

    if( pNumSupportedInterfaces )

    {

        *pNumSupportedInterfaces = CAMERA_ITFCOUNT;

        DEBUG_API_A1("<-XACameraDeviceImpl_QueryNumSupportedInterfaces - %i", (int)(*pNumSupportedInterfaces) );

        return XA_RESULT_SUCCESS;

    }

    else

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XACameraDeviceImpl_QueryNumSupportedInterfaces");

        return XA_RESULT_PARAMETER_INVALID;

    }

}

/* XAResult XACameraDeviceImpl_QuerySupportedInterfaces

 * Description: Statically query supported interfaces

 */

XAresult XACameraDeviceImpl_QuerySupportedInterfaces( XAuint32 index,

                                                      XAInterfaceID * pInterfaceId )

{

    DEBUG_API("->XACameraDeviceImpl_QuerySupportedInterfaces");

    if( index >= CAMERA_ITFCOUNT || !pInterfaceId )

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XACameraDeviceImpl_QuerySupportedInterfaces");

        return XA_RESULT_PARAMETER_INVALID;

    }

    else

    {

        *pInterfaceId = *(XACameraDeviceItfIIDs[index]);

        DEBUG_API("<-XACameraDeviceImpl_QuerySupportedInterfaces");

        return XA_RESULT_SUCCESS;

    }

}

/*****************************************************************************

 * base object XAObjectItfImpl methods

 *****************************************************************************/

/* XAresult XACameraDeviceImpl_DoRealize( XAObjectItf self )

 * Description: Realize all implicit and explicitly wanted interfaces.

 * Create and initialize implementation-specific variables.

 * Called from base object XAObjectItfImpl

 */

XAresult XACameraDeviceImpl_DoRealize( XAObjectItf self )

{

    XAuint8 itfIdx = 0;

    XAObjectItfImpl* pObj = (XAObjectItfImpl*)(*self);

    XACameraDeviceImpl* pObjImpl = (XACameraDeviceImpl*)(pObj);

    XAresult ret = XA_RESULT_SUCCESS;

    DEBUG_API("->XACameraDeviceImpl_DoRealize");

    XA_IMPL_THREAD_SAFETY_ENTRY(XATSCamera);

    /* check casting from correct pointer type */

    if( !pObjImpl || pObj != pObjImpl->baseObj.self )

    {

        /* invalid parameter */

        XA_IMPL_THREAD_SAFETY_EXIT(XATSCamera);

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XACameraDeviceImpl_DoRealize");

        return XA_RESULT_PARAMETER_INVALID;

    }

#ifdef _GSTREAMER_BACKEND_   

    ret = XACameraAdapt_PostInit( pObjImpl->adaptationCtx );

#endif

    if( ret != XA_RESULT_SUCCESS )

    {

        XA_IMPL_THREAD_SAFETY_EXIT(XATSCamera);

        DEBUG_ERR_A1("Camera adapt postinit - %d", ret);

        DEBUG_API("<-XACameraDeviceImpl_DoRealize");

        return ret;

    }

    /* Realize all implicit and explicitly wanted interfaces */

    for( itfIdx = 0; itfIdx < CAMERA_ITFCOUNT; itfIdx++)

    {

        if( !(pObj->interfaceMap[itfIdx].pItf) &&

            pObj->interfaceMap[itfIdx].required )

        {

            void *pItf = NULL;

            switch( itfIdx )

            {

                case CAMERA_DIMITF:

                    pItf = XADIMItfImpl_Create();

                    if(pItf)

                    {

                        XADIMItfImpl_Init(pItf, self,

                                XACameraDeviceImpl_DoAddItf,

                                XACameraDeviceImpl_DoResumeItf,

                                XACameraDeviceImpl_DoRemoveItf);

                    }

                    break;

#ifdef _GSTREAMER_BACKEND_   

                case CAMERA_CAMERAITF:

                    pItf = XACameraItfImpl_Create( pObjImpl->adaptationCtx );

                    break;

                case CAMERA_CONFIGEXTENSIONITF:

                    pItf = XAConfigExtensionsItfImpl_Create();

                    break;

                case CAMERA_IMAGECONTROLSITF:

                   pItf = XAImageControlsItfImpl_Create( pObjImpl->adaptationCtx );

                   break;

                case CAMERA_IMAGEEFFECTSITF:

                   pItf = XAImageEffectsItfImpl_Create( pObjImpl->adaptationCtx );

                   break;

                case CAMERA_VIDEOPOSTPROCESSINGITF:

                     pItf = XAVideoPostProcessingItfImpl_Create( pObjImpl->adaptationCtx );

                     break;

#endif                     

                default:

                    break;

            }

            if( !pItf )

            {

                /* memory allocation failed */

                XA_IMPL_THREAD_SAFETY_EXIT(XATSCamera);

                DEBUG_ERR("XA_RESULT_MEMORY_FAILURE");

                DEBUG_API("<-XACameraDeviceImpl_DoRealize");

                return XA_RESULT_MEMORY_FAILURE;

            }

            else

            {

                pObj->interfaceMap[itfIdx].pItf = pItf;

            }

        }

    }

    pObj->state = XA_OBJECT_STATE_REALIZED;

    XA_IMPL_THREAD_SAFETY_EXIT(XATSCamera);

    DEBUG_API("<-XACameraDeviceImpl_DoRealize");

    return XA_RESULT_SUCCESS;

}

/* XAresult XACameraDeviceImpl_DoResume

 * Description: Resume object from suspended state

 */

XAresult XACameraDeviceImpl_DoResume(XAObjectItf self)

{

    DEBUG_API("->XACameraDeviceImpl_DoResume");

    DEBUG_API("<-XACameraDeviceImpl_DoResume");

    /* This implementation does not support suspended state */

    return XA_RESULT_PRECONDITIONS_VIOLATED;

}

/* void XACameraDeviceImpl_FreeResources

 * Description: Free all resources reserved at XACameraDeviceImpl_DoRealize()

 */

void XACameraDeviceImpl_FreeResources(XAObjectItf self)

{

    XAObjectItfImpl* pObj = (XAObjectItfImpl*)(*self);

    XAuint8 itfIdx = 0;

    DEBUG_API("->XACameraDeviceImpl_FreeResources");

    XA_IMPL_THREAD_SAFETY_ENTRY_FOR_VOID_FUNCTIONS(XATSCamera);

#ifdef _GSTREAMER_BACKEND_ 

    XACameraDeviceImpl* pImpl = (XACameraDeviceImpl*)(*self);

    assert( pObj && pImpl && pObj == pObj->self );

#endif

    /* free all allocated interfaces */

    for(itfIdx = 0; itfIdx < CAMERA_ITFCOUNT; itfIdx++)

    {

        void *pItf = pObj->interfaceMap[itfIdx].pItf;

        if(pItf)

        {

            switch(itfIdx)

            {

                case CAMERA_CAMERAITF:

                    XACameraItfImpl_Free( pItf );

                    break;

                case CAMERA_CONFIGEXTENSIONITF:

                    XAConfigExtensionsItfImpl_Free( pItf );

                    break;

                case CAMERA_DIMITF:

                    XADIMItfImpl_Free( pItf );

                    break;

                case CAMERA_IMAGECONTROLSITF:

                    XAImageControlsItfImpl_Free( pItf );

                    break;

                case CAMERA_IMAGEEFFECTSITF:

                    XAImageEffectsItfImpl_Free( pItf );

                    break;

                case CAMERA_VIDEOPOSTPROCESSINGITF:

                    XAVideoPostProcessingItfImpl_Free( pItf );

                    break;

                default:

                    break;

            }

            pObj->interfaceMap[itfIdx].pItf = NULL;

        }

    }

#ifdef _GSTREAMER_BACKEND_   

    if ( pImpl->adaptationCtx != NULL )

    {

        XACameraAdapt_Destroy( pImpl->adaptationCtx );

        pImpl->adaptationCtx = NULL;

    }

#endif

    XA_IMPL_THREAD_SAFETY_EXIT_FOR_VOID_FUNCTIONS(XATSCamera);

    DEBUG_API("<-XACameraDeviceImpl_FreeResources");

    return;

}

/*****************************************************************************

 * CameraDeviceImpl -specific methods

 *****************************************************************************/

/* XACameraDeviceImpl_DoAddItf

 * Dynamically add an interface, object specific parts

 */

XAresult XACameraDeviceImpl_DoAddItf(XAObjectItf self, XAObjItfMapEntry *mapEntry  )

{

#ifdef _GSTREAMER_BACKEND_

    XAObjectItfImpl* pObj = (XAObjectItfImpl*)(*self);

    XACameraDeviceImpl* pImpl = (XACameraDeviceImpl*)(pObj);

#endif

    XAresult ret = XA_RESULT_SUCCESS;

    DEBUG_API("->XACameraDeviceImpl_DoAddItf");

    if(mapEntry)

    {

        switch( mapEntry->mapIdx )

        {

        case CAMERA_IMAGEEFFECTSITF:

#ifdef _GSTREAMER_BACKEND_   

            mapEntry->pItf = XAImageEffectsItfImpl_Create( pImpl->adaptationCtx );

#endif

            break;

        default:

            DEBUG_ERR("XACameraDeviceImpl_DoAddItf unknown id");

            ret = XA_RESULT_FEATURE_UNSUPPORTED;

            break;

        }

        if( !mapEntry->pItf && ret == XA_RESULT_SUCCESS)

            {

                DEBUG_ERR("XACameraDeviceImpl_DoAddItf itf creation failed");

                ret = XA_RESULT_MEMORY_FAILURE;

            }

    }

    else

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        ret = XA_RESULT_PARAMETER_INVALID;

    }

    DEBUG_API("<-XACameraDeviceImpl_DoAddItf");

    return ret;

}

/* XACameraDeviceImpl_DoResumeItf

 * Try to resume lost interface, object specific parts

 */

XAresult XACameraDeviceImpl_DoResumeItf(XAObjectItf self, XAObjItfMapEntry *mapEntry  )

{

    XAresult ret = XA_RESULT_SUCCESS;

    DEBUG_API("->XACameraDeviceImpl_DoResumeItf");

    /* For now, no difference between suspended and unrealised itfs */

    ret = XACameraDeviceImpl_DoAddItf(self,mapEntry);

    DEBUG_API("<-XACameraDeviceImpl_DoResumeItf");

    return ret;

}

/* XACameraDeviceImpl_DoRemoveItf

 * Dynamically remove an interface, object specific parts

 */

XAresult XACameraDeviceImpl_DoRemoveItf(XAObjectItf self, XAObjItfMapEntry *mapEntry )

{

    XAresult ret = XA_RESULT_SUCCESS;

    DEBUG_API("->XACameraDeviceImpl_DoRemoveItf");

    if(mapEntry)

    {

        switch( mapEntry->mapIdx )

        {

        case CAMERA_IMAGEEFFECTSITF:

            XAImageEffectsItfImpl_Free( mapEntry->pItf );

            break;

        default:

            DEBUG_ERR("XACameraDeviceImpl_DoRemoveItf unknown id");

            ret = XA_RESULT_FEATURE_UNSUPPORTED;

            break;

        }

        mapEntry->pItf = NULL;

    }

    else

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        ret = XA_RESULT_PARAMETER_INVALID;

    }

    DEBUG_API("<-XACameraDeviceImpl_DoRemoveItf");

    return ret;

}

/* END OF FILE */