/*

 * 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: AudioEnc Intfc Adaptation for GStreamer

 *

 */

#include <gst/gst.h>

#include "xamediarecorderadaptctx.h"

#include "xaaudioencoderitfadaptation.h"

#include "xaadaptationgst.h"

//#include "XAStaticCapsAdaptation.h"

/*

 * XAresult XAAudioEncoderItfAdapt_SetEncoderSettings( XAAdaptationGstCtx *ctx,

 *                                                     XAAudioEncoderSettings *pSettings )

 * @param XAAdaptationGstCtx *ctx - pointer to Media Recorer adaptation contex

 * @param XAAudioEncoderSettings *pSettings - Settings to be setted for encoder

 * @return XAresult ret - return success value

 * Description: Sets preferred encoder settings for pipeline.

 */

XAresult XAAudioEncoderItfAdapt_SetEncoderSettings(XAAdaptationBaseCtx *ctx,

        XAAudioEncoderSettings *pSettings)

    {

    XAresult ret = XA_RESULT_SUCCESS;

    XAMediaRecorderAdaptationCtx* mCtx = NULL;

    DEBUG_API("->XAAudioEncoderItfAdapt_SetEncoderSettings");

    if (!ctx || (ctx->ctxId != XAMediaRecorderAdaptation) || !pSettings)

        {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XAAudioEncoderItfImpl_SetEncoderSettings");

        return XA_RESULT_PARAMETER_INVALID;

        }

    mCtx = (XAMediaRecorderAdaptationCtx*) ctx;

    ret = XAMediaRecorderAdapt_CheckCodec(mCtx, XACAP_AUDIO,

            pSettings->encoderId);

    if (ret == XA_RESULT_SUCCESS)

        {

        /*change of settings - pipeline must be regenerated**/

        mCtx->encodingchanged = XA_BOOLEAN_TRUE;

        memcpy(&mCtx->audioEncSettings, pSettings,

                sizeof(XAAudioEncoderSettings));

        }

    DEBUG_API("<-XAAudioEncoderItfAdapt_SetEncoderSettings");

    return ret;

    }

static gboolean

populate_field_settings (GQuark field, const GValue * value, gpointer pfx)

{

    gchar *field_name ;

    gpointer *pfxd = (gpointer*)pfx;

    XAMediaRecorderAdaptationCtx *ctxx = (XAMediaRecorderAdaptationCtx *) *pfxd;

    field_name = (gchar*)g_quark_to_string (field);

  if((strcasecmp((const char*)field_name,"channels") == 0))

      {

          if(GST_VALUE_HOLDS_INT_RANGE(value) == TRUE)

             {

                  (ctxx)->audioEncSettings.channelsIn = gst_value_get_int_range_max (value);

                  (ctxx)->audioEncSettings.channelsOut = gst_value_get_int_range_max (value);

             }else

                 {

                 (ctxx)->audioEncSettings.channelsIn = g_value_get_int(value);

                 (ctxx)->audioEncSettings.channelsOut = g_value_get_int(value);

                 }

      }                

  if((strcasecmp((const char*)field_name,"depth") == 0))

      {

          if(GST_VALUE_HOLDS_INT_RANGE(value) == TRUE)

            {

                (ctxx)->audioEncSettings.bitsPerSample = gst_value_get_int_range_min (value);

            }else

            {

                (ctxx)->audioEncSettings.bitsPerSample = g_value_get_int(value);

            }

      }

  if((strcasecmp((const char*)field_name,"endianness") == 0))

      {

          if(GST_VALUE_HOLDS_INT_RANGE(value) == TRUE)

        {

            (ctxx)->audioEncSettings.blockAlignment = gst_value_get_int_range_min (value);

        }else

        {

            (ctxx)->audioEncSettings.blockAlignment = g_value_get_int(value);

        }

      }

  if((strcasecmp((const char*)field_name,"bitrate") == 0))

      {

      if(GST_VALUE_HOLDS_INT_RANGE(value) == TRUE)

          {

              (ctxx)->audioEncSettings.bitRate = gst_value_get_int_range_min (value);

          }else

          {

              (ctxx)->audioEncSettings.bitRate = g_value_get_int(value);

          }

      }

  if((strcasecmp((const char*)field_name,"rate") == 0))

      {

        if(GST_VALUE_HOLDS_INT_RANGE(value) == TRUE)

            {

                (ctxx)->audioEncSettings.sampleRate = gst_value_get_int_range_min (value)*1000;

            }else

                {

                (ctxx)->audioEncSettings.sampleRate = g_value_get_int(value) * 1000;

                }

        }

return TRUE;

}

XAresult XAAudioEncoderItfAdapt_GetEncoderSettings(XAAdaptationBaseCtx *bCtx,

        XAAudioEncoderSettings *pSettings)

    {

    XAMediaRecorderAdaptationCtx* mCtx = NULL;

    XAresult ret = XA_RESULT_SUCCESS;

    GstElement *encoderelement=NULL,*actualencoder=NULL;

    GstPad * encoderpad = NULL;

    GstCaps *encodercaps =NULL;

    GstStructure *structure = NULL;

    XAAdaptationGstCtx *ctx = NULL;

    int value = -1 ;

    DEBUG_API("->XAAudioEncoderItfAdapt_GetEncoderSettings");

    if (!bCtx || (bCtx->ctxId != XAMediaRecorderAdaptation) || !pSettings)

        {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        return XA_RESULT_PARAMETER_INVALID;

        }

    mCtx = (XAMediaRecorderAdaptationCtx*) bCtx;

    ctx = (XAAdaptationGstCtx *)bCtx; 

    encoderelement = gst_bin_get_by_name((GstBin*)ctx->bin ,"mrcodecbin");

    if (encoderelement != NULL)

    {   

        encoderpad = gst_element_get_pad(encoderelement , "sink");

        if(encoderpad != NULL){

            encodercaps = gst_pad_get_negotiated_caps(encoderpad);

            if(encodercaps == NULL)

                {

                //pipeline is not in playing state , so getting allowed caps

                encodercaps = gst_pad_get_allowed_caps(encoderpad);

                }

        }

        else{

            DEBUG_ERR("No pad named sink in codecbin pad");

        }

        if(encodercaps != NULL && encodercaps->structs->len > 0)

        {    

        structure = gst_caps_get_structure (encodercaps, 0);

        } 

        else{

          DEBUG_ERR("no allowed caps for encoderelement");

        }

      //populate the values based on neotiated caps or allowed caps. 

      gst_structure_foreach (structure, populate_field_settings, (gpointer) &mCtx);

      //finding the actual encoder.

      if(mCtx->codecbin != NULL){

        actualencoder = gst_bin_get_by_name((GstBin*)mCtx->codecbin ,"audioenc");

      }

      //finding bitrate property

      if(value == -1 && actualencoder != NULL)

            {

            //search in encoder element , property is there or not?

                g_object_get(G_OBJECT (actualencoder), "bitrate", &value,NULL);

             }

      if(mCtx->audioEncSettings.encoderId == XA_AUDIOCODEC_AMR)

          {

          g_object_get(G_OBJECT (mCtx->audiosource), "speechbitrate", &value,NULL);

          }

       if(value != -1)

            {

               mCtx->audioEncSettings.bitRate = value;

               value =-1;

            }

       //finding profile property        

        if(value == -1 && actualencoder != NULL)

            {

                g_object_get(G_OBJECT (actualencoder), "profile", &value,NULL);

            }

        if(value != -1)

          {

                mCtx->audioEncSettings.levelSetting = value;

                value =-1;

          }

        //finding output-format property

        if(value == -1 && actualencoder != NULL)

          {

                //try to see search in encoder element , property is there or not?

               g_object_get(G_OBJECT (actualencoder), "output-format", &value,NULL);

          }

        if(value != -1)

          {

                mCtx->audioEncSettings.streamFormat = value;

                value =-1;

          }

        //setting these settings to default.

        mCtx->audioEncSettings.channelMode=0;

        mCtx->audioEncSettings.rateControl = XA_RATECONTROLMODE_CONSTANTBITRATE;

        mCtx->audioEncSettings.encodeOptions = 0;

    //unref the caps, pads , elements      

    if(encodercaps != NULL)

    gst_caps_unref(encodercaps);

    if(encoderpad!= NULL)

    gst_object_unref(encoderpad);

    if(actualencoder!= NULL)

    gst_object_unref (actualencoder);

    if(encoderelement!= NULL)

    gst_object_unref (encoderelement);

    }else{

        DEBUG_ERR("Codecbin element Not found ");

    }

    memcpy(pSettings, &(mCtx->audioEncSettings), 

							sizeof(XAAudioEncoderSettings));

    DEBUG_API("<-XAAudioEncoderItfAdapt_GetEncoderSettings");

    return ret;

    }