/*

* 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 "xavolumeitfadaptation.h"

#include "xamediaplayeradaptctx.h"

#include "xaoutputmixadaptctx.h"

#include "xamediarecorderadaptctx.h"

/*

 * XAresult XAVolumeItfAdapt_FlushBin(XAAdaptationGstCtx *ctx)

 */

XAresult XAVolumeItfAdapt_FlushBin(XAAdaptationGstCtx *ctx)

{

    DEBUG_API("->XAVolumeItfAdapt_FlushBin");

    if(!ctx || ( ctx->baseObj.ctxId != XAMediaPlayerAdaptation ))

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        /* invalid parameter */

        return XA_RESULT_PARAMETER_INVALID;

    }

    if (GST_STATE(ctx->bin) != GST_STATE_PLAYING)

    {

        gint64 position = 0;

        GstFormat format = GST_FORMAT_TIME;

        if (! gst_element_query_position( GST_ELEMENT(ctx->bin), &format, &position  ))

            {

                DEBUG_ERR("Gst: Failed to get position");

				return XA_RESULT_INTERNAL_ERROR;

            }

        XAAdaptationGst_PrepareAsyncWait(ctx);

        /* in effect seeks to current position and flushing the buffer, due to

         * gstreamer implementation actual position might change, if stopped, seek to beginning

         */

        if(!gst_element_seek( ctx->bin, ((XAMediaPlayerAdaptationCtx*)ctx)->playrate, GST_FORMAT_TIME,

                            (GstSeekFlags)(GST_SEEK_FLAG_FLUSH|GST_SEEK_FLAG_ACCURATE),

                            GST_SEEK_TYPE_SET, position,

                            GST_SEEK_TYPE_NONE, (gint64)GST_CLOCK_TIME_NONE))

        {

            DEBUG_ERR("WARN: gst reports seek not handled");

        }

        /* flushed seeks always asynchronous */

        XAAdaptationGst_StartAsyncWait(ctx);

        DEBUG_INFO("Bin flushed.");

        ctx->waitingasyncop = XA_BOOLEAN_FALSE;

    }

    DEBUG_API("<-XAVolumeItfAdapt_FlushBin");

    return XA_RESULT_SUCCESS;

}

/*

 * XAresult XAVolumeItfAdapt_SetVolumeLevel(void *ctx, AdaptationContextIDS ctx->baseObj.ctxId,

 *                                          XAmillibel level)

 * @param void *ctx - Adaptation context, this will be casted to correct type regarding to contextID

 * XAmillibel level - Requested volume level, in between XA_MILLIBEL_MIN and XA_MILLIBEL_MAX

 * @return XAresult ret - Success value

 */

XAresult XAVolumeItfAdapt_SetVolumeLevel(XAAdaptationGstCtx *ctx, XAmillibel level)

{

    GstElement *vol=NULL, *audiopp=NULL;

    gdouble gstVolume = 0;

    XAmillibel tempVolumeLevel = 0;

    XAresult res = XA_RESULT_SUCCESS;

    DEBUG_API_A1("->XAVolumeItfAdapt_SetVolumeLevel (level %d)", level);

    if(!ctx || ( ctx->baseObj.ctxId != XAMediaPlayerAdaptation &&

                 ctx->baseObj.ctxId != XAMediaRecorderAdaptation &&

                 ctx->baseObj.ctxId != XAOutputMixAdaptation) )

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XAVolumeItfAdapt_SetVolumeLevel");

        /* invalid parameter */

        return XA_RESULT_PARAMETER_INVALID;

    }

    if( level <= MIN_SUPPORT_VOLUME_LEVEL )

    {

        tempVolumeLevel = MIN_SUPPORT_VOLUME_LEVEL;

    }

    else if( level >= MAX_SUPPORT_VOLUME_LEVEL )

    {

        tempVolumeLevel = MAX_SUPPORT_VOLUME_LEVEL;

    }

    else

    {

        tempVolumeLevel = level;

    }

    gstVolume = ( ( (gdouble)(VOLUME_LEVEL_RATIO + tempVolumeLevel)/ VOLUME_LEVEL_RATIO) );

    if ( ctx->baseObj.ctxId == XAMediaPlayerAdaptation )

    {

        XAMediaPlayerAdaptationCtx* context = (XAMediaPlayerAdaptationCtx*) ctx;

        audiopp = gst_bin_get_by_name( GST_BIN(context->baseObj.bin), "audiopp" );

        if(audiopp)

        {

            vol = gst_bin_get_by_name( GST_BIN(audiopp), "pp_vol" );

        }

        if(vol)

        {

            DEBUG_INFO_A1("Setting gst level to %f",gstVolume);

            g_object_set( G_OBJECT(vol), "volume", (gdouble)gstVolume, NULL );

            XAVolumeItfAdapt_FlushBin(ctx);

        }

        else

        {

            DEBUG_ERR("Could not find gst volume controller element!!");

        }

    }

    else if ( ctx->baseObj.ctxId == XAMediaRecorderAdaptation )

    {

        XAMediaRecorderAdaptationCtx* context = (XAMediaRecorderAdaptationCtx*) ctx;

        audiopp = gst_bin_get_by_name( GST_BIN(context->baseObj.bin), "audiopp" );

        if(audiopp)

        {

            vol = gst_bin_get_by_name( GST_BIN(audiopp), "pp_vol" );

        }

        if(vol)

        {

            DEBUG_INFO_A1("Setting gst level to %f",gstVolume);

            g_object_set( G_OBJECT(vol), "volume", (gdouble)gstVolume, NULL );

        }

        else

        {

            DEBUG_ERR("Could not find gst volume controller element!!");

        }

    }

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

    {

        XAOutputMixAdaptationCtx* context = (XAOutputMixAdaptationCtx*) ctx;

        guint iterator = 0;

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

        {

            GstBin* basebin = NULL;

            XAAdaptationGstCtx* bCtx = g_array_index(context->connectedObjects,XAOMixAdaptConnObj,iterator).ctx;

            if(!bCtx)

            {

                DEBUG_ERR_A1("Context in connected objects array (index %u) is NULL!", iterator);

                DEBUG_API("<-XAVolumeItfAdapt_SetVolumeLevel");

                return XA_RESULT_INTERNAL_ERROR;

            }

            basebin = GST_BIN(bCtx->bin);

            if(!basebin)

            {

                DEBUG_ERR_A1("Bin in connected objects context (index %u) is NULL!", iterator);

                DEBUG_API("<-XAVolumeItfAdapt_SetVolumeLevel");

                return XA_RESULT_INTERNAL_ERROR;

            }

            audiopp = gst_bin_get_by_name( basebin, "audiopp" );

            if(audiopp)

            {

                vol = gst_bin_get_by_name( GST_BIN(audiopp), "pp_vol" );

            }

            if(vol)

            {

                DEBUG_INFO_A1("Setting gst level to %f",gstVolume);

                g_object_set( G_OBJECT(vol), "volume", (gdouble)gstVolume, NULL );

                XAVolumeItfAdapt_FlushBin(bCtx);

            }

            else

            {

                DEBUG_ERR_A1("Could not find gst volume controller for player %u!!", iterator);

            }

        }

    }

    DEBUG_API("<-XAVolumeItfAdapt_SetVolumeLevel");

    return res;

}

/*

 * XAresult XAVolumeItfAdapt_GetMaxVolumeLevel(void *ctx, AdaptationContextIDS ctx->baseObj.ctxId,

                                            XAmillibel *pMaxLevel)

 * @param void *ctx - Adaptation context, this will be casted to correct type regarding to contextID value given as 2nd parameter

 * @param AdaptationContextIDS ctx->baseObj.ctxId - Type specifier for context, this will be used to cast ctx pointer to correct type.

 * XAmillibel *pMaxLevel - Maximum volume level

 * @return XAresult ret - Success value

 */

XAresult XAVolumeItfAdapt_GetMaxVolumeLevel(XAAdaptationGstCtx *ctx, XAmillibel *pMaxLevel)

{

    DEBUG_API("->XAVolumeItfAdapt_GetMaxVolumeLevel");

    if(!ctx || ( ctx->baseObj.ctxId != XAMediaPlayerAdaptation &&

                 ctx->baseObj.ctxId != XAMediaRecorderAdaptation &&

                 ctx->baseObj.ctxId != XAOutputMixAdaptation) )

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XAVolumeItfAdapt_GetMaxVolumeLevel");

        /* invalid parameter */

        return XA_RESULT_PARAMETER_INVALID;

    }

    *pMaxLevel = MAX_SUPPORT_VOLUME_LEVEL;

    DEBUG_API("<-XAVolumeItfAdapt_GetMaxVolumeLevel");

    return XA_RESULT_SUCCESS;

}

/*

 * XAresult XAVolumeItfAdapt_SetMute(void *ctx, AdaptationContextIDS ctx->baseObj.ctxId, XAboolean mute)

 * @param void *ctx - Adaptation context, this will be casted to correct type regarding to contextID value given as 2nd parameter

 * @param AdaptationContextIDS ctx->baseObj.ctxId - Type specifier for context, this will be used to cast ctx pointer to correct type.

 * @param XAboolean mute - status of mute value

 * @return XAresult ret - Success value

 */

XAresult XAVolumeItfAdapt_SetMute(XAAdaptationGstCtx *ctx, XAboolean mute)

{

    GstElement *vol=NULL, *audiopp=NULL;

    gboolean gmute = 0;

    DEBUG_API("->XAVolumeItfAdapt_SetMute");

    if(!ctx || ( ctx->baseObj.ctxId != XAMediaPlayerAdaptation &&

                 ctx->baseObj.ctxId != XAMediaRecorderAdaptation &&

                 ctx->baseObj.ctxId != XAOutputMixAdaptation ) )

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XAVolumeItfAdapt_SetMute");

        /* invalid parameter */

        return XA_RESULT_PARAMETER_INVALID;

    }

    if ( ctx->baseObj.ctxId == XAMediaPlayerAdaptation )

    {

        XAMediaPlayerAdaptationCtx* context = (XAMediaPlayerAdaptationCtx*) ctx;

        context->mute = mute;

        audiopp = gst_bin_get_by_name( GST_BIN(context->baseObj.bin), "audiopp" );

        if(audiopp)

        {

            vol = gst_bin_get_by_name( GST_BIN(audiopp), "pp_vol" );

        }

        if(vol)

        {

            if ( mute )

            {

                gmute = 1;

            }

            else

            {

                gmute = 0;

            }

            g_object_set( G_OBJECT(vol), "mute", gmute, NULL );

        }

        else

        {

            DEBUG_ERR("Could not find gst volume controller element!!");

        }

    }

    else if ( ctx->baseObj.ctxId == XAMediaRecorderAdaptation )

    {

        XAMediaRecorderAdaptationCtx* context = (XAMediaRecorderAdaptationCtx*) ctx;

        context->mute = mute;

        audiopp = gst_bin_get_by_name( GST_BIN(context->baseObj.bin), "audiopp" );

        if(audiopp)

        {

            vol = gst_bin_get_by_name( GST_BIN(audiopp), "pp_vol" );

        }

        if(vol)

        {

            if ( mute )

            {

                gmute = 1;

            }

            else

            {

                gmute = 0;

            }

            g_object_set( G_OBJECT(vol), "mute", gmute, NULL );

        }

        else

        {

            DEBUG_ERR("Could not find gst volume controller element!!");

        }

    }

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

    {

        XAOutputMixAdaptationCtx* context = (XAOutputMixAdaptationCtx*) ctx;

        guint iterator = 0;

        context->mute = mute;

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

        {

            GstBin* basebin = NULL;

            XAAdaptationGstCtx* bCtx = g_array_index(context->connectedObjects,XAOMixAdaptConnObj,iterator).ctx;

            if(!bCtx)

            {

                DEBUG_ERR_A1("Context in connected objects array (index %u) is NULL!", iterator);

                DEBUG_API("<-XAVolumeItfAdapt_SetMute");

                return XA_RESULT_INTERNAL_ERROR;

            }

            basebin = GST_BIN(bCtx->bin);

            if(!basebin)

            {

                DEBUG_ERR_A1("Bin in connected objects context (index %u) is NULL!", iterator);

                DEBUG_API("<-XAVolumeItfAdapt_SetMute");

                return XA_RESULT_INTERNAL_ERROR;

            }

            audiopp = gst_bin_get_by_name( basebin, "audiopp" );

            if(audiopp)

            {

                vol = gst_bin_get_by_name( GST_BIN(audiopp), "pp_vol" );

            }

            if(vol)

            {

                if ( mute )

                {

                    gmute = 1;

                }

                else

                {

                    gmute = 0;

                }

                g_object_set( G_OBJECT(vol), "mute", gmute, NULL );

            }

            else

            {

                DEBUG_ERR_A1("Could not find gst volume controller for player %u!!", iterator);

            }

        }

    }

    DEBUG_API("<-XAVolumeItfAdapt_SetMute");

    return XA_RESULT_SUCCESS;

}

/*

 * XAresult XAVolumeItfAdapt_EnableStereoPosition(XAAdaptationGstCtx *ctx, XAboolean enable)

 * @param XAAdaptationGstCtx *ctx - Adaptation context

 * @param XAboolean enable - Enable Stereo Position

 * @return XAresult - Success value

 */

XAresult XAVolumeItfAdapt_EnableStereoPosition(XAAdaptationGstCtx *ctx, XAboolean enable)

{

    DEBUG_API("->XAVolumeItfAdapt_EnableStereoPosition");

    if(!ctx || ( ctx->baseObj.ctxId != XAMediaPlayerAdaptation &&

                 ctx->baseObj.ctxId != XAMediaRecorderAdaptation &&

                 ctx->baseObj.ctxId != XAOutputMixAdaptation ) )

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XAVolumeItfAdapt_EnableStereoPosition");

        /* invalid parameter */

        return XA_RESULT_PARAMETER_INVALID;

    }

    if ( ctx->baseObj.ctxId == XAMediaPlayerAdaptation  )

    {

        XAMediaPlayerAdaptationCtx* context = (XAMediaPlayerAdaptationCtx*) ctx;

        context->isStereoPosition = enable;

    }

    else if ( ctx->baseObj.ctxId == XAMediaRecorderAdaptation  )

    {

        XAMediaRecorderAdaptationCtx* context = (XAMediaRecorderAdaptationCtx*) ctx;

        context->isStereoPosition = enable;

    }

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

    {

        XAOutputMixAdaptationCtx* context = (XAOutputMixAdaptationCtx*) ctx;

        context->isStereoPosition = enable;

    }

    DEBUG_API("<-XAVolumeItfAdapt_EnableStereoPosition");

    return XA_RESULT_SUCCESS;

}

/*

 * XAresult XAVolumeItfAdapt_SetStereoPosition(XAAdaptationGstCtx *ctx, XApermille stereoPosition)

 * @param XAAdaptationGstCtx *ctx - Adaptation context

 * @param XApermille stereoPosition - Stereo Position to be set

 * @return XAresult - Success value

 */

XAresult XAVolumeItfAdapt_SetStereoPosition(XAAdaptationGstCtx *ctx,

                                            XApermille stereoPosition)

{

    GstElement *audiopp = NULL, *pan = NULL;

    gfloat gstPosition = 0.0;

    DEBUG_API("->XAVolumeItfAdapt_SetStereoPosition");

    if(!ctx || ( ctx->baseObj.ctxId != XAMediaPlayerAdaptation &&

                 ctx->baseObj.ctxId != XAMediaRecorderAdaptation &&

                 ctx->baseObj.ctxId != XAOutputMixAdaptation) )

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XAVolumeItfAdapt_SetStereoPosition");

        return XA_RESULT_PARAMETER_INVALID;

    }

    gstPosition = ( (gfloat)stereoPosition / STEREO_POSITION_RATIO );

    if ( ctx->baseObj.ctxId == XAMediaPlayerAdaptation  )

    {

        XAMediaPlayerAdaptationCtx* context = (XAMediaPlayerAdaptationCtx*) ctx;

        audiopp = gst_bin_get_by_name( GST_BIN(context->baseObj.bin), "audiopp");

        if( !audiopp )

        {

            DEBUG_ERR("XA_RESULT_INTERNAL_ERROR");

            DEBUG_API("<-XAVolumeItfAdapt_SetStereoPosition");

            return XA_RESULT_INTERNAL_ERROR;

        }

        pan = gst_bin_get_by_name( GST_BIN(audiopp), "pp_pan" );

        if( !pan )

        {

            DEBUG_ERR("XA_RESULT_INTERNAL_ERROR");

            DEBUG_API("<-XAVolumeItfAdapt_SetStereoPosition");

            return XA_RESULT_INTERNAL_ERROR;

        }

        g_object_set( G_OBJECT(pan), "panorama", gstPosition, NULL );

        XAVolumeItfAdapt_FlushBin(ctx);

    }

    else if ( ctx->baseObj.ctxId == XAMediaRecorderAdaptation  )

    {

        XAMediaRecorderAdaptationCtx* context = (XAMediaRecorderAdaptationCtx*) ctx;

        audiopp = gst_bin_get_by_name( GST_BIN(context->baseObj.bin), "audiopp");

        if( !audiopp )

        {

            DEBUG_ERR("XA_RESULT_INTERNAL_ERROR");

            DEBUG_API("<-XAVolumeItfAdapt_SetStereoPosition");

            return XA_RESULT_INTERNAL_ERROR;

        }

        pan = gst_bin_get_by_name( GST_BIN(audiopp), "pp_pan" );

        if( !pan )

        {

            DEBUG_ERR("XA_RESULT_INTERNAL_ERROR");

            DEBUG_API("<-XAVolumeItfAdapt_SetStereoPosition");

            return XA_RESULT_INTERNAL_ERROR;

        }

        g_object_set( G_OBJECT(pan), "panorama", gstPosition, NULL );

    }

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

    {

        XAOutputMixAdaptationCtx* context = (XAOutputMixAdaptationCtx*) ctx;

        guint iterator = 0;

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

        {

            GstBin* basebin = NULL;

            XAAdaptationGstCtx* bCtx = g_array_index(context->connectedObjects,XAOMixAdaptConnObj,iterator).ctx;

            if(!bCtx)

            {

                DEBUG_ERR_A1("Context in connected objects array (index %u) is NULL!", iterator);

                return XA_RESULT_INTERNAL_ERROR;

            }

            basebin = GST_BIN(bCtx->bin);

            if(!basebin)

            {

                DEBUG_ERR_A1("Bin in connected objects context (index %u) is NULL!", iterator);

                return XA_RESULT_INTERNAL_ERROR;

            }

            audiopp = gst_bin_get_by_name( basebin, "audiopp" );

            if( !audiopp )

            {

                DEBUG_ERR("XA_RESULT_INTERNAL_ERROR");

                DEBUG_API("<-XAVolumeItfAdapt_SetStereoPosition");

                return XA_RESULT_INTERNAL_ERROR;

            }

            pan = gst_bin_get_by_name( GST_BIN(audiopp), "pp_pan" );

            if( !pan )

            {

                DEBUG_ERR("XA_RESULT_INTERNAL_ERROR");

                DEBUG_API("<-XAVolumeItfAdapt_SetStereoPosition");

                return XA_RESULT_INTERNAL_ERROR;

            }

            g_object_set( G_OBJECT(pan), "panorama", gstPosition, NULL );

            XAVolumeItfAdapt_FlushBin(bCtx);

        }

    }

    DEBUG_API("<-XAVolumeItfAdapt_SetStereoPosition");

    return XA_RESULT_SUCCESS;

}