/*

* 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 "xaoutputmixadaptctx.h"

#include "xaadaptationgst.h"

#include "xacapabilitiesmgr.h"

/*

 * XAAdaptationGstCtx* XAOutputMixAdapt_Create()

 * @returns XAOutputMixAdaptationCtx* - Pointer to created context

 * Description: Allocates memory for Output Mix Adaptation Context and makes 1st phase initialization

 */

XAAdaptationBaseCtx* XAOutputMixAdapt_Create()

{

    XAOutputMixAdaptationCtx *pSelf = (XAOutputMixAdaptationCtx*)calloc(1, sizeof(XAOutputMixAdaptationCtx));

    DEBUG_API("->XAOutputMixAdapt_Create");

    if ( pSelf)

    {

        if( XAAdaptationBase_Init(&(pSelf->baseObj.baseObj),XAOutputMixAdaptation)

                    != XA_RESULT_SUCCESS )

        {

            DEBUG_ERR("Failed to init base context!!!");

            free(pSelf);

            pSelf = NULL;

        }

        else

        {

            XAuint32 devId;

            pSelf->connectedObjects = g_array_new (FALSE, TRUE, sizeof (XAOMixAdaptConnObj));

            pSelf->availableDevices = g_array_new (FALSE, TRUE, sizeof (XAuint32));

            /*initially, only alsasink available*/

//            devId = XA_ADAPTID_ALSASINK;

            devId = XA_ADAPTID_DEVSOUNDSINK;

            g_array_append_val(pSelf->availableDevices, devId);

            pSelf->currentrouting = devId;

        }

    }

    DEBUG_API("<-XAOutputMixAdapt_Create");

    return (XAAdaptationBaseCtx* )&pSelf->baseObj;

}

/*

 * XAresult XAOutputMixAdapt_PostInit(XAAdaptationGstCtx* bCtx)

 * 2nd phase initialization of Output Mix Adaptation Context

 */

XAresult XAOutputMixAdapt_PostInit(XAAdaptationGstCtx* bCtx)

{

    DEBUG_API("->XAOutputMixAdapt_PostInit");

    if(bCtx == NULL || bCtx->baseObj.ctxId != XAOutputMixAdaptation )

    {

        DEBUG_ERR("Invalid parameter!!");

        DEBUG_API("<-XAOutputMixAdapt_PostInit");

        return XA_RESULT_PARAMETER_INVALID;

    }

    /* check and add devices to pSelf->availableDevices if such detection can be done */

    DEBUG_API("<-XAOutputMixAdapt_PostInit");

    return XA_RESULT_SUCCESS;

}

/*

 * void XAOutputMixAdapt_Destroy(XAAdaptationGstCtx* bCtx)

 * Destroys Output Mix Adaptation Context

 * @param ctx - Output Mix Adaptation context to be destroyed

 */

void XAOutputMixAdapt_Destroy(XAAdaptationGstCtx* bCtx)

{

    XAOutputMixAdaptationCtx* ctx = NULL;

    DEBUG_API("->XAOutputMixAdapt_Destroy");

    if(bCtx == NULL || bCtx->baseObj.ctxId != XAOutputMixAdaptation )

    {

        DEBUG_ERR("Invalid parameter!!");

        DEBUG_API("<-XAOutputMixAdapt_Destroy");

        return;

    }

    ctx = (XAOutputMixAdaptationCtx*)bCtx;

    g_array_free(ctx->connectedObjects, TRUE);

    g_array_free(ctx->availableDevices, TRUE);

    XAAdaptationBase_Free( &(ctx->baseObj.baseObj) );

    free(ctx);

    DEBUG_API("<-XAOutputMixAdapt_Destroy");

}

/*

 * GstElement* XAOutputMixAdapt_GetSink(XAAdaptationGstCtx* bCtx)

 */

GstElement* XAOutputMixAdapt_GetSink(XAAdaptationGstCtx* bCtx)

{

    XAOutputMixAdaptationCtx* mixCtx = NULL;

    /* create sink for current routing */

    GstElement* newsink=NULL;

    XACapabilities temp;

    DEBUG_API("->XAOutputMixAdapt_GetSink");

    if(bCtx == NULL || bCtx->baseObj.ctxId != XAOutputMixAdaptation )

    {

        DEBUG_ERR("Invalid parameter!!");

        DEBUG_API("<-XAOutputMixAdapt_GetSink");

        return NULL;

    }

    mixCtx = (XAOutputMixAdaptationCtx*)bCtx;

    if(!mixCtx)

    {

        DEBUG_ERR("NULL context!");

        return NULL;

    }

    if( XA_RESULT_SUCCESS ==

            XACapabilitiesMgr_GetCapsById(NULL, (XACapsType)((XACapsType)(XACAP_DEVSNK|XACAP_AUDIO)), mixCtx->currentrouting, &temp) )

    {

        newsink = gst_element_factory_make((char*)temp.adaptId,(char*)temp.adaptId);

        if(!newsink)

        {

            DEBUG_ERR_A1("Could not create sink \"%s\"!", (char*)temp.adaptId);

        }

    }

    else

    {

        DEBUG_ERR_A1("Could not find audio device by id 0x%x", (int)mixCtx->currentrouting);

    }

    DEBUG_API("<-XAOutputMixAdapt_GetSink");

    return newsink;

}

/*

 * XAresult XAOutputMixAdapt_ConnectObject(XAAdaptationGstCtx* omCtx, XAAdaptationGstCtx* bCtx, GstElement* usedMix)

 */

XAresult XAOutputMixAdapt_ConnectObject(XAAdaptationGstCtx* omCtx, XAAdaptationGstCtx* bCtx, GstElement* usedMix)

{

    XAresult ret = XA_RESULT_SUCCESS;

    XAuint32 i=0;

    XAOutputMixAdaptationCtx* mixCtx =NULL;

    DEBUG_API("->XAOutputMixAdapt_ConnectObject");

    if( !omCtx || omCtx->baseObj.ctxId!=XAOutputMixAdaptation || !bCtx || !usedMix )

    {

        DEBUG_ERR("Invalid attribute!!");

        DEBUG_API("<-XAOutputMixAdapt_ConnectObject");

        return XA_RESULT_PARAMETER_INVALID;

    }

    mixCtx = (XAOutputMixAdaptationCtx*)omCtx;

    if( !mixCtx || !bCtx || !usedMix )

    {

        DEBUG_ERR("Invalid attribute!!");

        DEBUG_API("<-XAOutputMixAdapt_DisconnectObject");

        return XA_RESULT_PARAMETER_INVALID;

    }

    for(i=0; i<mixCtx->connectedObjects->len; i++)

    {

        if( (g_array_index(mixCtx->connectedObjects, XAOMixAdaptConnObj, i)).ctx == bCtx )

        {

            /*item found already*/

            ret = XA_RESULT_PARAMETER_INVALID;

            break;

        }

    }

    if(i==mixCtx->connectedObjects->len)

    {

        XAOMixAdaptConnObj tmp;

        tmp.ctx= bCtx;

        tmp.currentSink = usedMix;

        g_array_append_val(mixCtx->connectedObjects, tmp);

    }

    DEBUG_API("<-XAOutputMixAdapt_ConnectObject");

    return ret;

}

/*

 * XAresult XAOutputMixAdapt_DisconnectObject(XAAdaptationGstCtx* omCtx, XAAdaptationGstCtx* bCtx)

 */

XAresult XAOutputMixAdapt_DisconnectObject(XAAdaptationGstCtx* omCtx, XAAdaptationGstCtx* bCtx)

{

    XAuint32 i=0;

    XAOutputMixAdaptationCtx* mixCtx =NULL;

    DEBUG_API("->XAOutputMixAdapt_DisconnectObject");

    if( !omCtx || omCtx->baseObj.ctxId!=XAOutputMixAdaptation || !bCtx )

    {

        DEBUG_ERR("Invalid attribute!!");

        DEBUG_API("<-XAOutputMixAdapt_DisconnectObject");

        return XA_RESULT_PARAMETER_INVALID;

    }

    mixCtx = (XAOutputMixAdaptationCtx*)omCtx;

    if( !mixCtx || !bCtx )

    {

        DEBUG_ERR("Invalid attribute!!");

        DEBUG_API("<-XAOutputMixAdapt_DisconnectObject");

        return XA_RESULT_PARAMETER_INVALID;

    }

    for(i=0; i<mixCtx->connectedObjects->len; i++)

    {

        XAOMixAdaptConnObj* tmp = &(g_array_index(mixCtx->connectedObjects, XAOMixAdaptConnObj, i));

        if( tmp->ctx == bCtx  )

        {

            g_array_remove_index(mixCtx->connectedObjects, i);

            DEBUG_API("<-XAOutputMixAdapt_DisconnectObject");

            return XA_RESULT_SUCCESS;

        }

    }

    /*did not find, return error*/

    DEBUG_ERR("Object not found!");

    DEBUG_API("<-XAOutputMixAdapt_DisconnectObject");

    return XA_RESULT_PARAMETER_INVALID;

}