/*

 * 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: Base Adaptation Initialization Functionality

 *

 */

#include <assert.h>

#include <string.h>

#include "xaadptbasectx.h"

#include "xathreadsafety.h"

/*

 * XAAdaptationBaseCtx* XAAdaptationBase_Create()

 * 1st phase initialization function for Adaptation Base context structure.

 * Reserves memory for base context and initializes GStreamer FW.

 */

XAresult XAAdaptationBase_Init(XAAdaptationBaseCtx* pSelf, XAuint32 ctxId)

    {

    DEBUG_API("->XAAdaptationBase_Init");

    if (pSelf)

        {

        if (!pSelf->evtHdlrs)

            {

            pSelf->evtHdlrs = g_array_new(FALSE, FALSE,

                    sizeof(XAAdaptEvtHdlr));

            if (!pSelf->evtHdlrs)

                {

                DEBUG_ERR("Memory allocation failure in Base Ctx.")

                return XA_RESULT_MEMORY_FAILURE;

                }

            }

        pSelf->ctxId = ctxId;

        }

    else

        {

        DEBUG_ERR("Invalid Adaptation Base Context.")

        return XA_RESULT_PARAMETER_INVALID;

        }

    DEBUG_API("<-XAAdaptationBase_Init");

    return XA_RESULT_SUCCESS;

    }

/*

 * XAresult XAAdaptationBase_PostInit()

 * 2nd phase initialization for Adaptation Base.

 */

XAresult XAAdaptationBase_PostInit(XAAdaptationBaseCtx* ctx)

    {

    XAresult ret = XA_RESULT_SUCCESS;

    DEBUG_API("->XAAdaptationBase_PostInit");

    DEBUG_API("<-XAAdaptationBase_PostInit");

    return ret;

    }

/*

 * void XAAdaptationBase_Free( XAAdaptationBaseCtx* ctx )

 * Frees all Base context variables .

 */

void XAAdaptationBase_Free(XAAdaptationBaseCtx* ctx)

    {

    g_array_free(ctx->evtHdlrs, TRUE);

    ctx->evtHdlrs = NULL;

    DEBUG_API("<-XAAdaptationBase_Free");

    }

/*

 * XAresult XAAdaptationBase_AddEventHandler

 * Adds event handler for certain event types.

 */

XAresult XAAdaptationBase_AddEventHandler(XAAdaptationBaseCtx* ctx,

        xaAdaptEventHandler evtHandler, XAuint32 evtTypes, void *pHandlerCtx)

    {

    XAuint32 i;

    XAAdaptEvtHdlr tmp;

    DEBUG_API("->XAAdaptationBase_AddEventHandler");

    if (!ctx)

        {

        DEBUG_ERR("no context");

        return XA_RESULT_PARAMETER_INVALID;

        }

    for (i = 0; i < ctx->evtHdlrs->len; i++)

        {

        if ((g_array_index(ctx->evtHdlrs, XAAdaptEvtHdlr, i)).handlerfunc

                == evtHandler)

            {

            return XA_RESULT_PARAMETER_INVALID;

            }

        }

    tmp.handlerfunc = evtHandler;

    tmp.handlercontext = pHandlerCtx;

    tmp.eventtypes = evtTypes;

    g_array_append_val(ctx->evtHdlrs, tmp);

    DEBUG_API("<-XAAdaptationBase_AddEventHandler");

    return XA_RESULT_SUCCESS;

    }

/*

 * XAresult XAAdaptationBase_RemoveEventHandler

 * Removes event handler for certain event types.

 */

XAresult XAAdaptationBase_RemoveEventHandler(XAAdaptationBaseCtx* ctx,

        xaAdaptEventHandler evtHandler)

    {

    XAuint32 i;

    DEBUG_API("->XAAdaptationBase_RemoveEventHandler");

    if (!ctx)

        {

        DEBUG_ERR("no context");

        return XA_RESULT_PARAMETER_INVALID;

        }

    for (i = 0; i < ctx->evtHdlrs->len; i++)

        {

        if ((g_array_index(ctx->evtHdlrs, XAAdaptEvtHdlr, i)).handlerfunc

                == evtHandler)

            {

            g_array_remove_index(ctx->evtHdlrs, i);

            return XA_RESULT_SUCCESS;

            }

        }

    DEBUG_API("<-XAAdaptationBase_RemoveEventHandler");

    /*did not find, return error*/

    return XA_RESULT_PARAMETER_INVALID;

    }

void XAAdaptationBase_SendAdaptEvents(XAAdaptationBaseCtx* ctx,

        XAAdaptEvent* event)

    {

    XAuint32 i;

    XAAdaptEvtHdlr* tmp;

    for (i = 0; i < ctx->evtHdlrs->len; i++)

        {

        tmp = &g_array_index(ctx->evtHdlrs, XAAdaptEvtHdlr, i);

        if (tmp->eventtypes & event->eventtype)

            {

            (tmp->handlerfunc)(tmp->handlercontext, event);

            }

        }

    }

/*

 * XAresult XAEqualizerItfAdapt_ThreadEntry(XAAdaptationGstCtx *adapCtx)

 * Description: Safety thread entry

 */

XAresult XAAdaptationBase_ThreadEntry(XAAdaptationBaseCtx *adaptCtx)

    {

    XAresult res = XA_RESULT_SUCCESS;

    DEBUG_API("->XAAdaptationBase_ThreadEntry");

    if (!adaptCtx)

        {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XAAdaptationBase_ThreadEntry");

        /* invalid parameter */

        return XA_RESULT_PARAMETER_INVALID;

        }

    switch (adaptCtx->ctxId)

        {

        case XAMediaPlayerAdaptation:

            XA_IMPL_THREAD_SAFETY_ENTRY(XATSMediaPlayer);

            break;

        case XAMediaRecorderAdaptation:

            XA_IMPL_THREAD_SAFETY_ENTRY(XATSMediaRecorder);

            break;

        case XARadioAdaptation:

            XA_IMPL_THREAD_SAFETY_ENTRY(XATSRadio);

            break;

        case XAMDAdaptation:

            XA_IMPL_THREAD_SAFETY_ENTRY(XATSMetaDataExtractor);

            break;

        case XAEngineAdaptation:

            XA_IMPL_THREAD_SAFETY_ENTRY(XATSEngine);

            break;

        default:

            DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

            /* invalid parameter */

            res = XA_RESULT_PARAMETER_INVALID;

            break;

        }

    DEBUG_API("<-XAAdaptationBase_ThreadEntry");

    return res;

    }

/*

 * XAresult XAEqualizerItfAdapt_ThreadExit(XAAdaptationGstCtx *adaptCtx)

 * Description: Safety thread exit

 */

XAresult XAAdaptationBase_ThreadExit(XAAdaptationBaseCtx *adaptCtx)

    {

    XAresult res = XA_RESULT_SUCCESS;

    DEBUG_API("->XAAdaptationBase_ThreadExit");

    if (!adaptCtx)

        {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XAAdaptationBase_ThreadExit");

        /* invalid parameter */

        return XA_RESULT_PARAMETER_INVALID;

        }

    switch (adaptCtx->ctxId)

        {

        case XAMediaPlayerAdaptation:

            XA_IMPL_THREAD_SAFETY_EXIT(XATSMediaPlayer);

            break;

        case XAMediaRecorderAdaptation:

            XA_IMPL_THREAD_SAFETY_EXIT(XATSMediaRecorder);

            break;

        case XARadioAdaptation:

            XA_IMPL_THREAD_SAFETY_EXIT(XATSRadio);

            break;

        case XAMDAdaptation:

            XA_IMPL_THREAD_SAFETY_EXIT(XATSMetaDataExtractor);

            break;

        case XAEngineAdaptation:

            XA_IMPL_THREAD_SAFETY_EXIT(XATSEngine);

            break;

        default:

            DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

            /* invalid parameter */

            res = XA_RESULT_PARAMETER_INVALID;

            break;

        }

    DEBUG_API("<-XAAdaptationBase_ThreadExit");

    return res;

    }