/*

* 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 "xavolumeitf.h"

#ifdef _GSTREAMER_BACKEND_  

#include "XAVolumeItfAdaptation.h"

#endif

/**

 * XAVolumeItfImpl* GetImpl(XAVolumeItf self)

 * Description: Validated interface pointer and cast it to implementations pointer.

 **/

static XAVolumeItfImpl* GetImpl(XAVolumeItf self)

{

    if(self)

    {

        XAVolumeItfImpl* impl = (XAVolumeItfImpl*)(*self);

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

        {

            return impl;

        }

    }

    return NULL;

}

/**

 * Base interface XAVolumeItf implementation

 */

/**

 * XAresult XAVolumeItfImpl_SetVolumeLevel(XAVolumeItf self, XAmillibel level)

 * Description: Sets the object's volume level.

 **/

XAresult XAVolumeItfImpl_SetVolumeLevel(XAVolumeItf self, XAmillibel level)

{

    XAVolumeItfImpl *impl = GetImpl(self);

    XAresult ret = XA_RESULT_SUCCESS;

    XAmillibel maximumLevel = 0;

    DEBUG_API("->XAVolumeItfImpl_SetVolumeLevel");

    /* check maximum volume level */

    if(XAVolumeItfImpl_GetMaxVolumeLevel(self, &maximumLevel) != XA_RESULT_SUCCESS)

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XAVolumeItfImpl_SetVolumeLevel");

        /* cannot solve maximum volume level */

        return XA_RESULT_PARAMETER_INVALID;

    }

    if(!impl || level > maximumLevel)

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XAVolumeItfImpl_SetVolumeLevel");

        /* invalid parameter */

        return XA_RESULT_PARAMETER_INVALID;

    }

#ifdef _GSTREAMER_BACKEND_  

    ret = XAVolumeItfAdapt_ThreadEntry(impl->adapCtx);

    if( ret == XA_RESULT_PARAMETER_INVALID || ret == XA_RESULT_PRECONDITIONS_VIOLATED )

    {

        DEBUG_API("<-XAVolumeItfImpl_SetVolumeLevel");

        return ret;

    }

    ret = XAVolumeItfAdapt_SetVolumeLevel(impl->adapCtx,  level);

    if(ret == XA_RESULT_SUCCESS)

    {

        impl->volumeLevel = level;

    }

    XAVolumeItfAdapt_ThreadExit(impl->adapCtx);

#endif

    DEBUG_API("<-XAVolumeItfImpl_SetVolumeLevel");

    return ret ;

}

/**

 * XAresult XAVolumeItfImpl_GetVolumeLevel(XAVolumeItf self, XAmillibel *pLevel)

 * Description: Gets the object’s volume level.

 **/

XAresult XAVolumeItfImpl_GetVolumeLevel(XAVolumeItf self, XAmillibel *pLevel)

{

    XAresult ret = XA_RESULT_SUCCESS;

    XAVolumeItfImpl *impl = GetImpl(self);

    DEBUG_API("->XAVolumeItfImpl_GetVolumeLevel");

    if(!impl || !pLevel)

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XAVolumeItfImpl_GetVolumeLevel");

        /* invalid parameter */

        return XA_RESULT_PARAMETER_INVALID;

    }

    *pLevel = impl->volumeLevel;

    DEBUG_API("<-XAVolumeItfImpl_GetVolumeLevel");

    return ret;

}

/**

 * XAresult XAVolumeItfImpl_GetMaxVolumeLevel(XAVolumeItf  self, XAmillibel *pMaxLevel)

 * Description: Gets the maximum supported level.

 **/

XAresult XAVolumeItfImpl_GetMaxVolumeLevel(XAVolumeItf  self, XAmillibel *pMaxLevel)

{

    XAresult ret = XA_RESULT_SUCCESS;

    XAVolumeItfImpl *impl = GetImpl(self);

    DEBUG_API("->XAVolumeItfImpl_GetVolumeLevel");

    if(!impl || !pMaxLevel)

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XAVolumeItfImpl_GetMaxVolumeLevel");

        /* invalid parameter */

        return XA_RESULT_PARAMETER_INVALID;

    }

#ifdef _GSTREAMER_BACKEND_  

    ret = XAVolumeItfAdapt_ThreadEntry(impl->adapCtx);

    if( ret == XA_RESULT_PARAMETER_INVALID || ret == XA_RESULT_PRECONDITIONS_VIOLATED )

    {

        DEBUG_API("<-XAVolumeItfImpl_GetMaxVolumeLevel");

        return ret;

    }

    ret = XAVolumeItfAdapt_GetMaxVolumeLevel(impl->adapCtx,

                                             pMaxLevel);

    XAVolumeItfAdapt_ThreadExit(impl->adapCtx);

#endif

    DEBUG_API("<-XAVolumeItfImpl_GetMaxVolumeLevel");

    return ret;

}

/**

 * XAresult XAVolumeItfImpl_SetMute(XAVolumeItf self, XAboolean mute)

 * Description: Mutes or unmutes the object.

 **/

XAresult XAVolumeItfImpl_SetMute(XAVolumeItf self, XAboolean mute)

{

    XAresult ret = XA_RESULT_SUCCESS;

    XAVolumeItfImpl *impl = GetImpl(self);

    DEBUG_API("->XAVolumeItfImpl_SetMute");

    if(!impl)

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XAVolumeItfImpl_SetMute");

        /* invalid parameter */

        return XA_RESULT_PARAMETER_INVALID;

    }

#ifdef _GSTREAMER_BACKEND_  

    ret = XAVolumeItfAdapt_ThreadEntry(impl->adapCtx);

    if( ret == XA_RESULT_PARAMETER_INVALID || ret == XA_RESULT_PRECONDITIONS_VIOLATED )

    {

        DEBUG_API("<-XAVolumeItfImpl_SetMute");

        return ret;

    }

    /* check is mute state changed */

    if(mute != impl->mute)

    {

        ret = XAVolumeItfAdapt_SetMute(impl->adapCtx,  mute);

        if(ret == XA_RESULT_SUCCESS)

        {

            impl->mute = mute;

        }

    }

    XAVolumeItfAdapt_ThreadExit(impl->adapCtx);

#endif

    DEBUG_API("<-XAVolumeItfImpl_SetMute");

    return ret;

}

/**

 * XAresult XAVolumeItfImpl_GetMute(XAVolumeItf self, XAboolean *pMute)

 * Description: Retrieves the object's state.

 **/

XAresult XAVolumeItfImpl_GetMute(XAVolumeItf self, XAboolean *pMute)

{

    XAresult ret = XA_RESULT_SUCCESS;

    XAVolumeItfImpl *impl = GetImpl(self);

    DEBUG_API("->XAVolumeItfImpl_GetMute");

    if(!impl || !pMute)

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XAVolumeItfImpl_GetMute");

        /* invalid parameter */

        return XA_RESULT_PARAMETER_INVALID;

    }

    *pMute = impl->mute;

    DEBUG_API("<-XAVolumeItfImpl_GetMute");

    return ret;

}

/**

 * XAresult XAVolumeItfImpl_EnableStereoPosition(XAVolumeItf self, XAboolean enable)

 * Description: Enables or disables the stereo positioning effect.

 **/

XAresult XAVolumeItfImpl_EnableStereoPosition(XAVolumeItf self, XAboolean enable)

{

    XAresult ret = XA_RESULT_SUCCESS;

    XAVolumeItfImpl *impl = GetImpl(self);

    DEBUG_API("->XAVolumeItfImpl_EnableStereoPosition");

    if(!impl)

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XAVolumeItfImpl_EnableStereoPosition");

        /* invalid parameter */

        return XA_RESULT_PARAMETER_INVALID;

    }

#ifdef _GSTREAMER_BACKEND_  

    ret = XAVolumeItfAdapt_ThreadEntry(impl->adapCtx);

    if( ret == XA_RESULT_PARAMETER_INVALID || ret == XA_RESULT_PRECONDITIONS_VIOLATED )

    {

        DEBUG_API("<-XAVolumeItfImpl_EnableStereoPosition");

        return ret;

    }

    /* Check is stereo position state changed */

    if(enable != impl->enableStereoPos)

    {

        ret = XAVolumeItfAdapt_EnableStereoPosition(impl->adapCtx,

                                                    enable);

        if(ret == XA_RESULT_SUCCESS)

        {

            impl->enableStereoPos = enable;

        }

    }

    XAVolumeItfAdapt_ThreadExit(impl->adapCtx);

#endif

    DEBUG_API("<-XAVolumeItfImpl_EnableStereoPosition");

    return ret;

}

/**

 * XAresult XAVolumeItfImpl_IsEnabledStereoPosition(XAVolumeItf self,

 *                                                  XAboolean *pEnable)

 * Description: Returns the enabled state of the stereo positioning effect.

 **/

XAresult XAVolumeItfImpl_IsEnabledStereoPosition(XAVolumeItf self,

                                                 XAboolean *pEnable)

{

    XAresult ret = XA_RESULT_SUCCESS;

    XAVolumeItfImpl *impl = GetImpl(self);

    DEBUG_API("->XAVolumeItfImpl_IsEnabledStereoPosition");

    if(!impl || !pEnable)

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XAVolumeItfImpl_IsEnabledStereoPosition");

        /* invalid parameter */

        return XA_RESULT_PARAMETER_INVALID;

    }

    *pEnable = impl->enableStereoPos;

    DEBUG_API("<-XAVolumeItfImpl_IsEnabledStereoPosition");

    return ret;

}

/**

 * XAresult XAVolumeItfImpl_SetStereoPosition(XAVolumeItf self,

 *                                            XApermille stereoPosition)

 * Description: Sets the stereo position of the object.

 **/

XAresult XAVolumeItfImpl_SetStereoPosition(XAVolumeItf self,

                                           XApermille stereoPosition)

{

    XAresult ret = XA_RESULT_SUCCESS;

    XAVolumeItfImpl *impl = GetImpl(self);

    DEBUG_API("->XAVolumeItfImpl_SetStereoPosition");

    if(!impl || (stereoPosition < STEREO_POSITION_LEFT) ||

        (stereoPosition > STEREO_POSITION_RIGHT))

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XAVolumeItfImpl_SetStereoPosition");

        /* invalid parameter */

        return XA_RESULT_PARAMETER_INVALID;

    }

    impl->stereoPosition = stereoPosition;

#ifdef _GSTREAMER_BACKEND_  

    ret = XAVolumeItfAdapt_ThreadEntry(impl->adapCtx);

    if( ret == XA_RESULT_PARAMETER_INVALID || ret == XA_RESULT_PRECONDITIONS_VIOLATED )

    {

        DEBUG_API("<-XAVolumeItfImpl_SetStereoPosition");

        return ret;

    }

    /* check is stereo position effect enabled if is then handle effect */

    if(impl->enableStereoPos)

    {

        ret = XAVolumeItfAdapt_SetStereoPosition(impl->adapCtx,

                                                 stereoPosition);

    }

    XAVolumeItfAdapt_ThreadExit(impl->adapCtx);

#endif

    DEBUG_API("<-XAVolumeItfImpl_SetStereoPosition");

    return ret;

}

/**

 * XAresult XAVolumeItfImpl_GetStereoPosition(XAVolumeItf self,

 *                                            XApermille *pStereoPosition)

 * Description: Gets the object’s stereo position setting.

 **/

XAresult XAVolumeItfImpl_GetStereoPosition(XAVolumeItf self,

                                           XApermille *pStereoPosition)

{

    XAresult ret = XA_RESULT_SUCCESS;

    XAVolumeItfImpl *impl = GetImpl(self);

    DEBUG_API("->XAVolumeItfImpl_GetStereoPosition");

    if(!impl || !pStereoPosition)

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XAVolumeItfImpl_GetStereoPosition");

        /* invalid parameter */

        return XA_RESULT_PARAMETER_INVALID;

    }

    *pStereoPosition = impl->stereoPosition;

    DEBUG_API("<-XAVolumeItfImpl_GetStereoPosition");

    return ret;

}

/**

 * XAVolumeItfImpl -specific methods

 **/

#ifdef _GSTREAMER_BACKEND_  

/**

 * XAVolumeItfImpl* XAVolumeItfImpl_Create()

 * Description: Allocate and initialize VolumeItfImpl

 **/

XAVolumeItfImpl* XAVolumeItfImpl_Create(XAAdaptationBaseCtx *adapCtx )

{

    XAVolumeItfImpl *self = (XAVolumeItfImpl*)

        calloc(1,sizeof(XAVolumeItfImpl));

    DEBUG_API("->XAVolumeItfImpl_Create");

    if(self)

    {

        /* init itf default implementation */

        self->itf.EnableStereoPosition = XAVolumeItfImpl_EnableStereoPosition;

        self->itf.GetMaxVolumeLevel = XAVolumeItfImpl_GetMaxVolumeLevel;

        self->itf.GetMute = XAVolumeItfImpl_GetMute;

        self->itf.GetStereoPosition = XAVolumeItfImpl_GetStereoPosition;

        self->itf.GetVolumeLevel = XAVolumeItfImpl_GetVolumeLevel;

        self->itf.IsEnabledStereoPosition = XAVolumeItfImpl_IsEnabledStereoPosition;

        self->itf.SetMute = XAVolumeItfImpl_SetMute;

        self->itf.SetStereoPosition = XAVolumeItfImpl_SetStereoPosition;

        self->itf.SetVolumeLevel = XAVolumeItfImpl_SetVolumeLevel;

        /* init variables */

        self->volumeLevel = 0;

        self->mute = XA_BOOLEAN_FALSE;

        self->enableStereoPos = XA_BOOLEAN_FALSE;

        self->stereoPosition = STEREO_POSITION_CENTER;

        self->adapCtx = adapCtx;

        self->self = self;

    }

    DEBUG_API("<-XAVolumeItfImpl_Create");

    return self;

}

#endif

/**

 * void XAVolumeItfImpl_Free(XAVolumeItfImpl* self)

 * Description: Free all resources reserved at XAVolumeItfImpl_Create

 **/

void XAVolumeItfImpl_Free(XAVolumeItfImpl* self)

{

    DEBUG_API("->XAVolumeItfImpl_Free");

    assert(self==self->self);

    free(self);

    DEBUG_API("<-XAVolumeItfImpl_Free");

}