/*

* 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 "xaadaptationgst.h"

#include "xamediaplayeradaptctx.h"

#include "xamediarecorderadaptctx.h"

#include "xaoutputmixadaptctx.h"

#include "xaequalizeritfadaptation.h"

//#include "XAStaticCapsAdaptation.h"

static const XAmilliHertz centerFrequencies[EQUALIZER_NUM_OF_BANDS] = {

        29000, 59000, 119000, 227000, 474000,

        947000, 1889000, 3770000, 7523000, 15011000 };

static const char* band_names[EQUALIZER_NUM_OF_BANDS] = {

        "band0", "band1", "band2", "band3", "band4",

        "band5", "band6", "band7", "band8", "band9" };

/*static const XAmilliHertz bandFreqRangeMin = 0;

static const XAmilliHertz bandFreqRangeMax = 0;*/

static const XAmillibel bandLevelRangeMin = -2400;

static const XAmillibel bandLevelRangeMax = 1200;

/*

 * XAresult XAEqualizerItfAdapt_GetBandLevelRange(XAAdaptationGstCtx *bCtx,

 *                                                XAmillibel *pMin,

 *                                                XAmillibel *pMax)

 */

XAresult XAEqualizerItfAdapt_GetBandLevelRange(XAAdaptationGstCtx *bCtx,

                                               XAmillibel *pMin,

                                               XAmillibel *pMax)

{

    XAresult ret = XA_RESULT_SUCCESS;

    DEBUG_API("->XAEqualizerItfAdapt_GetBandLevelRange");

    if( (!pMin && !pMax) ) /* other may be NULL */

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        return XA_RESULT_PARAMETER_INVALID;

    }

    if (pMin)

    {

        *pMin = bandLevelRangeMin;

    }

    if (pMax)

    {

        *pMax = bandLevelRangeMax;

    }

    DEBUG_API("<-XAEqualizerItfAdapt_GetBandLevelRange");

    return ret;

}

/*

 * XAresult XAEqualizerItfAdapt_SetBandLevel(XAAdaptationGstCtx *bCtx,

 *                                           XAuint16 band,

 *                                           XAmillibel level)

 */

XAresult XAEqualizerItfAdapt_SetBandLevel(XAAdaptationGstCtx *bCtx,

                                          XAuint16 band,

                                          XAmillibel level)

{

    XAresult ret = XA_RESULT_SUCCESS;

    GstElement *equ=NULL, *audiopp=NULL;

    DEBUG_API("->XAEqualizerItfAdapt_SetBandLevel");

    if(!bCtx ||

        band >= EQUALIZER_NUM_OF_BANDS  ||

        level < bandLevelRangeMin ||

        level > bandLevelRangeMax)

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        return XA_RESULT_PARAMETER_INVALID;

    }

    else

    {

        if( bCtx->baseObj.ctxId == XAMediaPlayerAdaptation || bCtx->baseObj.ctxId == XAMediaRecorderAdaptation )

        {

            audiopp = gst_bin_get_by_name( GST_BIN(bCtx->bin), "audiopp" );

            equ = gst_bin_get_by_name( GST_BIN(audiopp), "pp_equ" );

            if(equ)

            {

                g_object_set( G_OBJECT(equ), band_names[band], (gdouble)(level/1000), NULL );

            }

            else

            {

                DEBUG_ERR("Media object equalizer element not found!!");

            }

        }

        else if( bCtx->baseObj.ctxId == XAOutputMixAdaptation )

        {

    	    XAOutputMixAdaptationCtx* context = (XAOutputMixAdaptationCtx*) bCtx;

    	    guint iterator;

    	    for ( iterator = 0; iterator < context->connectedObjects->len; iterator++ )

            {

                GstBin* basebin = GST_BIN(g_array_index(context->connectedObjects,XAOMixAdaptConnObj,iterator).ctx->bin);

                equ=NULL;

                audiopp=NULL;

                audiopp = gst_bin_get_by_name( basebin, "audiopp" );

                if(audiopp)

                {

                    equ = gst_bin_get_by_name( GST_BIN(audiopp), "pp_equ" );

                }

                if(equ)

                {

                    g_object_set( G_OBJECT(equ), band_names[band], (gdouble)(level/1000), NULL );

                }

                else

                {

                    DEBUG_ERR_A1("Could not find equalizer for player %u!!", iterator);

                }

            }

        }

        else

        {

            DEBUG_ERR_A1("Not supported adaptation element: %d", bCtx->baseObj.ctxId);

            return XA_RESULT_PARAMETER_INVALID;

        }

    }

    if(equ)

    {

        gst_object_unref(equ);

    }

	if(audiopp)

    {

        gst_object_unref(audiopp);

    }

    DEBUG_API("<-XAEqualizerItfAdapt_SetBandLevel");

    return ret;

}

/*

 * XAresult XAEqualizerItfAdapt_GetCenterFreq(XAAdaptationGstCtx *bCtx,

 *                                            XAuint16 band,

 *                                            XAmilliHertz *pCenter)

 */

XAresult XAEqualizerItfAdapt_GetCenterFreq(XAAdaptationGstCtx *bCtx,

                                           XAuint16 band,

                                           XAmilliHertz *pCenter)

{

    XAresult ret = XA_RESULT_SUCCESS;

    DEBUG_API("->XAEqualizerItfAdapt_GetCenterFreq");

    if(!pCenter || band >= EQUALIZER_NUM_OF_BANDS)

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        return XA_RESULT_PARAMETER_INVALID;

    }

    *pCenter = centerFrequencies[band];

    DEBUG_API("<-XAEqualizerItfAdapt_GetCenterFreq");

    return ret;

}

/*

 * XAresult XAEqualizerItfAdapt_GetBandFreqRange(XAAdaptationGstCtx *bCtx,

 *                                               XAuint16 band,

 *                                               XAmilliHertz *pMin,

 *                                               XAmilliHerts *pMax)

 */

XAresult XAEqualizerItfAdapt_GetBandFreqRange(XAAdaptationGstCtx *bCtx,

                                              XAuint16 band,

                                              XAmilliHertz *pMin,

                                              XAmilliHertz *pMax)

{

    XAresult ret = XA_RESULT_SUCCESS;

    DEBUG_API("->XAEqualizerItfAdapt_GetBandFreqRange");

    /* pMin or pMax may be NULL */

    if((!pMin && !pMax)  || band >= EQUALIZER_NUM_OF_BANDS)

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        return XA_RESULT_PARAMETER_INVALID;

    }

    /* in this implementation there are no ranges */

    if (pMin)

    {

        *pMin = centerFrequencies[band];

    }

    if (pMax)

    {

        *pMax = centerFrequencies[band];

    }

    DEBUG_API("<-XAEqualizerItfAdapt_GetBandFreqRange");

    return ret;

}

/*

 * XAresult XAEqualizerItfAdapt_GetBand(XAAdaptationGstCtx *bCtx,

 *                                      XAmilliHertz frequency,

 *                                      XAuint16 *pBand)

 */

XAresult XAEqualizerItfAdapt_GetBand(XAAdaptationGstCtx *bCtx,

                                     XAmilliHertz frequency,

                                     XAuint16 *pBand)

{

    XAuint16 index=0;

    XAresult ret = XA_RESULT_SUCCESS;

    DEBUG_API("->XAEqualizerItfAdapt_GetBand");

    if(!pBand)

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        return XA_RESULT_PARAMETER_INVALID;

    }

    *pBand = XA_EQUALIZER_UNDEFINED;

    /* as there are no ranges, it must match exactly */

    for (index = 0; index < EQUALIZER_NUM_OF_BANDS; index++)

    {

        if (frequency == centerFrequencies[index])

        {

            *pBand = index;

            break;

        }

    }

    DEBUG_API("<-XAEqualizerItfAdapt_GetBand");

    return ret;

}

/*

 * XAresult XAEqualizerItfAdapt_GetDefaultBandLevel(XAAdaptationGstCtx *bCtx,

 *                                           XAuint16 band,

 *                                           XAmillibel *pLevel)

 */

XAresult XAEqualizerItfAdapt_GetDefaultBandLevel(XAAdaptationGstCtx *bCtx,

                                                 XAuint16 band,

                                                 XAmillibel *pLevel)

{

    XAresult ret = XA_RESULT_SUCCESS;

    DEBUG_API("->XAEqualizerItfAdapt_GetDefaultBandLevel");

    if(!pLevel)

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        return XA_RESULT_PARAMETER_INVALID;

    }

    pLevel = EQUALIZER_DEFAULT_BAND_LEVEL;

    DEBUG_API("<-XAEqualizerItfAdapt_GetDefaultBandLevel");

    return ret;

}