/*

* 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 <unistd.h>

#include <gst.h>

#include "XAAdaptation.h"

#include "XARadioItfAdaptation.h"

#include "XARadioAdaptCtx.h"

#define NUM_OF_SUPPORTED_RANGES 2

#define NUM_OF_CHANNELS 2

const char* RadioPresetDefaultName = "Default";

/* emulated frequency range data */

typedef struct FreqRange_

{

    XAuint8     id;

    XAuint32    minFreq;

    XAuint32    maxFreq;

    XAuint32    freqInterval;

    XAuint32    stereoMode;

} FreqRange;

/* emulated radio channel data */

typedef struct Channel_

{

    XAuint32    freq;

    XAuint32    strength;

} Channel;

/* emulated radio state */

typedef enum

{

    RADIO_STATE_ON_CHANNEL,

    RADIO_STATE_OFF_CHANNEL

} RadioState;

/* data structure to pass onto async functions */

typedef struct

{

    XAAdaptationBaseCtx *bCtx;

    XAuint32             value;

} ThreadArgs;

/* emulation variables and constraints */

static const FreqRange supportedFreqRanges[NUM_OF_SUPPORTED_RANGES] = {

        { XA_FREQRANGE_FMEUROAMERICA, 87500000, 108000000, 100000, XA_STEREOMODE_MONO },

        {XA_FREQRANGE_FMJAPAN, 76000000, 90000000, 100000, XA_STEREOMODE_STEREO }};

static const Channel channels[NUM_OF_CHANNELS] = { {88500000, 80},

                                    {89300000, 60 }};

static XAuint8 freqRangeIndex = 0;

static XAboolean squelchMode = XA_BOOLEAN_FALSE;

static XAint32 currentChannel = -1;

static RadioState radioState = RADIO_STATE_OFF_CHANNEL;

static void* asyncdata = NULL;

/* FORWARD DECLARATIONS */

void * XARadioItfAdapt_AsyncSetFrequencyRange(void* args);

XAresult XARadioItfAdapt_SyncSetFrequencyRange(XAAdaptationBaseCtx *bCtx, XAuint8 range);

void * XARadioItfAdapt_AsyncSetFrequency(void* args);

XAresult XARadioItfAdapt_SyncSetFrequency(XAAdaptationBaseCtx *bCtx, XAuint32 freq);

void * XARadioItfAdapt_AsyncSeek(void* args);

/*

 * XAresult XARadioItfAdapt_SetFreqRange(XAAdaptationBaseCtx *bCtx, XAuint8 range)

 */

XAresult XARadioItfAdapt_SetFreqRange(XAAdaptationBaseCtx *bCtx, XAuint8 range)

{

    XAresult ret = XA_RESULT_SUCCESS;

    XAuint16 index=0;

    XARadioAdaptationCtx* mCtx = (XARadioAdaptationCtx*) bCtx;

    int pt_ret=0;

    DEBUG_API("->XARadioItfAdapt_SetFreqRange");

    if(!bCtx || range < XA_FREQRANGE_FMEUROAMERICA || range > XA_FREQRANGE_AMSW)

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XARadioItfAdapt_SetFreqRange");

        return XA_RESULT_PARAMETER_INVALID;

    }

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

    {

        if (supportedFreqRanges[index].id == range)

        {

            if (mCtx->range != range)

            {

                if (mCtx->state != XA_RADIO_IDLE)

                {

                  //  pthread_cancel(mCtx->emulationThread);

                    if (asyncdata)

                    {

                        free(asyncdata);

                        asyncdata = NULL;

                    }

                    mCtx->state = XA_RADIO_IDLE;

                }

                {

                    ThreadArgs* args = calloc(1, sizeof(ThreadArgs));

                    if (!args)

                    {

                        DEBUG_ERR("Calloc failed")

                        DEBUG_API("<-XARadioItfAdapt_SetFreqRange");

                        return XA_RESULT_INTERNAL_ERROR;

                    }

                    args->bCtx = bCtx;

                    args->value = range;

                    mCtx->state = XA_RADIO_SETTING_FREQUENCY_RANGE;

                    pt_ret = pthread_create(&(mCtx->emulationThread), NULL, (XARadioItfAdapt_AsyncSetFrequencyRange),(void*)args);

                    if(pt_ret)

                    {

                        DEBUG_ERR_A1("could not create thread!! (%d)",ret)

                        DEBUG_API("<-XARadioItfAdapt_SetFreqRange");

                        return XA_RESULT_INTERNAL_ERROR;

                    }

                }

            }

            break;

        }

    }

    DEBUG_API("<-XARadioItfAdapt_SetFreqRange");

    return ret;

}

/*

 * void * XARadioItfAdapt_AsyncSetFrequencyRange(void* args)

 */

void * XARadioItfAdapt_AsyncSetFrequencyRange(void* args)

{

    XAresult ret = XA_RESULT_SUCCESS;

    ThreadArgs* tArgs = NULL;

    XARadioAdaptationCtx* mCtx = NULL;

    DEBUG_API("->XARadioItfAdapt_AsyncSetFrequencyRange");

    asyncdata = args;

    tArgs = args;

    mCtx = (XARadioAdaptationCtx*) tArgs->bCtx;

    DEBUG_INFO("Setting frequency async")

    usleep(100000); /* 1/10 seconds */

    ret = XARadioItfAdapt_SyncSetFrequencyRange(tArgs->bCtx, tArgs->value);

    if (ret != XA_RESULT_SUCCESS)

    {

        DEBUG_ERR("XARadioItfAdapt_SyncSetFrequencyRange FAILED");

    }

    /* Send event to RadioItf */

    {

        XAAdaptEvent event = {XA_RADIOITFEVENTS, XA_ADAPT_RADIO_FREQUENCY_RANGE_CHANGED, 0, NULL};

        XAAdaptationBase_SendAdaptEvents(tArgs->bCtx, &event );

    }

    mCtx->state = XA_RADIO_IDLE;

    free(args);

    asyncdata = NULL;

    DEBUG_API("<-XARadioItfAdapt_AsyncSetFrequencyRange");

    pthread_exit(NULL);

}

/*

 * XAresult XARadioItfAdapt_SyncSetFrequencyRange(XAAdaptationBaseCtx *bCtx, XAuint8 range)

 */

XAresult XARadioItfAdapt_SyncSetFrequencyRange(XAAdaptationBaseCtx *bCtx, XAuint8 range)

{

    XAresult ret = XA_RESULT_SUCCESS;

    XARadioAdaptationCtx* mCtx=NULL;

    XAuint8 index=0;

    DEBUG_API("->XARadioItfAdapt_SyncSetFrequencyRange");

    if(!bCtx)

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XARadioItfAdapt_SyncSetFrequencyRange");

        return XA_RESULT_PARAMETER_INVALID;

    }

    mCtx = (XARadioAdaptationCtx*) bCtx;

    if (range != mCtx->range)

    {

        DEBUG_INFO("Frequency range changed!")

        mCtx->range = range;

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

        {

            if (supportedFreqRanges[index].id == mCtx->range)

            {

                freqRangeIndex = index;

            }

        }

        ret = XARadioItfAdapt_SyncSetFrequency( bCtx, RADIO_DEFAULT_FREQ );

    }

    DEBUG_API("<-XARadioItfAdapt_SyncSetFrequencyRange");

    return ret;

}

/*

 * XAresult XARadioItfAdapt_GetFreqRange(XAAdaptationBaseCtx *bCtx,

 *                                       XAuint8 * pFreqRange)

 */

XAresult XARadioItfAdapt_GetFreqRange(XAAdaptationBaseCtx *bCtx,

                                      XAuint8 * pFreqRange)

{

    XAresult ret = XA_RESULT_SUCCESS;

    XARadioAdaptationCtx* mCtx=NULL;

    DEBUG_API("->XARadioItfAdapt_GetFreqRange");

    if(!bCtx || !pFreqRange)

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XARadioItfAdapt_GetFreqRange");

        return XA_RESULT_PARAMETER_INVALID;

    }

    mCtx = (XARadioAdaptationCtx*) bCtx;

    *pFreqRange = mCtx->range;

    DEBUG_API("<-XARadioItfAdapt_GetFreqRange");

    return ret;

}

/*

 *  XAresult XARadioItfAdapt_IsFreqRangeSupported(XAAdaptationBaseCtx *bCtx,

 *                                                XAuint8 range,

 *                                                XAboolean * pSupported)

 */

XAresult XARadioItfAdapt_IsFreqRangeSupported(XAAdaptationBaseCtx *bCtx,

                                             XAuint8 range,

                                             XAboolean * pSupported)

{

    XAresult ret = XA_RESULT_SUCCESS;

    XAuint16 index=0;

    DEBUG_API("->XARadioItfAdapt_IsFreqRangeSupported");

    if(!bCtx || !pSupported || range < XA_FREQRANGE_FMEUROAMERICA || range > XA_FREQRANGE_AMSW)

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XARadioItfAdapt_IsFreqRangeSupported");

        return XA_RESULT_PARAMETER_INVALID;

    }

    *pSupported = XA_BOOLEAN_FALSE;

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

    {

        if (supportedFreqRanges[index].id == range)

        {

            *pSupported = XA_BOOLEAN_TRUE;

            break;

        }

    }

    DEBUG_API("<-XARadioItfAdapt_IsFreqRangeSupported");

    return ret;

}

/*

 * XAresult XARadioItfAdapt_GetFreqRangeProperties(XAAdaptationBaseCtx *bCtx,

 *                                                 XAuint8 range,

 *                                                 XAuint32 * pMinFreq,

 *                                                 XAuint32 * pMaxFreq,

 *                                                 XAuint32 * pFreqInterval)

 */

XAresult XARadioItfAdapt_GetFreqRangeProperties(XAAdaptationBaseCtx *bCtx,

                                               XAuint8 range,

                                               XAuint32 * pMinFreq,

                                               XAuint32 * pMaxFreq,

                                               XAuint32 * pFreqInterval)

{

    XAresult ret = XA_RESULT_SUCCESS;

    XARadioAdaptationCtx* mCtx=NULL;

    XAuint16 index=0;

    DEBUG_API("->XARadioItfAdapt_GetFreqRangeProperties");

    if(!bCtx)

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XARadioItfAdapt_GetFreqRangeProperties");

        return XA_RESULT_PARAMETER_INVALID;

    }

    mCtx = (XARadioAdaptationCtx*) bCtx;

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

    {

        if (supportedFreqRanges[index].id == range)

        {

            *pMinFreq = supportedFreqRanges[index].minFreq;

            *pMaxFreq = supportedFreqRanges[index].maxFreq;

            *pFreqInterval = supportedFreqRanges[index].freqInterval;

            break;

        }

    }

    DEBUG_API("<-XARadioItfAdapt_GetFreqRangeProperties");

    return ret;

}

/*

 * XAresult XARadioItfAdapt_SetFrequency(XAAdaptationBaseCtx *bCtx, XAuint32 freq)

 */

XAresult XARadioItfAdapt_SetFrequency(XAAdaptationBaseCtx *bCtx, XAuint32 freq)

{

    XAresult ret = XA_RESULT_SUCCESS;

    int pt_ret=0;

    XARadioAdaptationCtx* mCtx=NULL;

    DEBUG_API("->XARadioItfAdapt_SetFrequency");

    if(!bCtx || freq < supportedFreqRanges[freqRangeIndex].minFreq

            || freq > supportedFreqRanges[freqRangeIndex].maxFreq

            || ((freq - supportedFreqRanges[freqRangeIndex].minFreq)

                    % supportedFreqRanges[freqRangeIndex].freqInterval) != 0)

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XARadioItfAdapt_SetFrequency");

        return XA_RESULT_PARAMETER_INVALID;

    }

    mCtx = (XARadioAdaptationCtx*) bCtx;

    if (freq != mCtx->frequency)

    {

        if (mCtx->state != XA_RADIO_IDLE)

        {

           // pthread_cancel(mCtx->emulationThread);

            if (asyncdata)

            {

                free(asyncdata);

                asyncdata = NULL;

            }

        }

        {

            ThreadArgs* args = calloc(1, sizeof(ThreadArgs));

            if (!args)

            {

                DEBUG_ERR("Calloc failed")

                DEBUG_API("<-XARadioItfAdapt_SetFrequency");

                return XA_RESULT_INTERNAL_ERROR;

            }

            args->bCtx = bCtx;

            args->value = freq;

            mCtx->state = XA_RADIO_SETTING_FREQUENCY;

            pt_ret = pthread_create(&(mCtx->emulationThread), NULL, (XARadioItfAdapt_AsyncSetFrequency),(void*)args);

            if(pt_ret)

            {

                DEBUG_ERR_A1("could not create thread!! (%d)",ret)

                DEBUG_API("<-XARadioItfAdapt_SetFrequency");

                return XA_RESULT_INTERNAL_ERROR;

            }

        }

    } /* else do nothing freq was same */

    DEBUG_API("<-XARadioItfAdapt_SetFrequency");

    return ret;

}

/*

 * void * XARadioItfAdapt_AsyncSetFrequency(void* args)

 */

void * XARadioItfAdapt_AsyncSetFrequency(void* args)

{

    ThreadArgs* tArgs = NULL;

    XARadioAdaptationCtx* mCtx = NULL;

    asyncdata = args;

    tArgs = args;

    mCtx = (XARadioAdaptationCtx*) tArgs->bCtx;

    DEBUG_API("->XARadioItfAdapt_AsyncSetFrequency");

    DEBUG_INFO("Setting frequency async")

    usleep(100000); /* 1/10 seconds */

    XARadioItfAdapt_SyncSetFrequency(tArgs->bCtx, tArgs->value);

    /* Send event to RadioItf */

    {

        XAAdaptEvent event = {XA_RADIOITFEVENTS, XA_ADAPT_RADIO_FREQUENCY_CHANGED, 0, NULL };

        XAAdaptationBase_SendAdaptEvents(tArgs->bCtx, &event );

    }

    mCtx->state = XA_RADIO_IDLE;

    free(args);

    asyncdata = NULL;

    DEBUG_API("<-XARadioItfAdapt_AsyncSetFrequency");

    pthread_exit(NULL);

}

/*

 * XAresult XARadioItfAdapt_SyncSetFrequency(XAAdaptationBaseCtx *bCtx, XAuint32 freq)

 */

XAresult XARadioItfAdapt_SyncSetFrequency(XAAdaptationBaseCtx *bCtx, XAuint32 freq)

{

    XAresult ret = XA_RESULT_SUCCESS;

    XAuint8 index=0;

    XAboolean channelFound = XA_BOOLEAN_FALSE;

    XARadioAdaptationCtx* mCtx=NULL;

    DEBUG_API("->XARadioItfAdapt_SyncSetFrequency");

    if(!bCtx || freq < supportedFreqRanges[freqRangeIndex].minFreq

            || freq > supportedFreqRanges[freqRangeIndex].maxFreq

            || ((freq - supportedFreqRanges[freqRangeIndex].minFreq)

                    % supportedFreqRanges[freqRangeIndex].freqInterval) != 0)

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XARadioItfAdapt_SyncSetFrequency");

        return XA_RESULT_PARAMETER_INVALID;

    }

    mCtx = (XARadioAdaptationCtx*) bCtx;

    if (freq != mCtx->frequency)

    {

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

        {

            if (channels[index].freq == freq)

            {

                currentChannel = index;

                channelFound = XA_BOOLEAN_TRUE;

                break;

            }

        }

        if ( channelFound == XA_BOOLEAN_FALSE && radioState == RADIO_STATE_ON_CHANNEL)

        {

            if (squelchMode == XA_BOOLEAN_FALSE)

            {

                DEBUG_API("Channel not found, squelch mode off, set radio to white noise");

                g_object_set( G_OBJECT(bCtx->bin), "wave", GST_AUDIO_TEST_SRC_WAVE_WHITE_NOISE, NULL );

            }

            else

            {

                DEBUG_API("Channel not found, squelch mode off, set radio to silence");

                g_object_set( G_OBJECT(bCtx->bin), "wave", GST_AUDIO_TEST_SRC_WAVE_SILENCE, NULL );

            }

            radioState = RADIO_STATE_OFF_CHANNEL;

        }

        else if ( channelFound == XA_BOOLEAN_TRUE && radioState == RADIO_STATE_OFF_CHANNEL )

        {

            DEBUG_API("Channel found, set radio to sine wave");

            g_object_set( G_OBJECT(bCtx->bin), "wave", GST_AUDIO_TEST_SRC_WAVE_SINE, NULL );

            radioState = RADIO_STATE_ON_CHANNEL;

        }

        else

        {

            /* do nothing */

        }

        DEBUG_INFO("Frequency changed!")

        mCtx->frequency = freq;

    } /* else frequency not changed do nothing */

    DEBUG_API("<-XARadioItfAdapt_SyncSetFrequency");

    return ret;

}

/*

 * XAresult XARadioItfAdapt_GetFrequency(XAAdaptationBaseCtx *bCtx,

 *                                       XAuint32 * pFrequency)

 */

XAresult XARadioItfAdapt_GetFrequency(XAAdaptationBaseCtx *bCtx,

                                      XAuint32 * pFrequency)

{

    XAresult ret = XA_RESULT_SUCCESS;

    XARadioAdaptationCtx* mCtx=NULL;

    DEBUG_API("->XARadioItfAdapt_GetFrequency");

    if(!bCtx || !pFrequency)

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XARadioItfAdapt_GetFrequency");

        return XA_RESULT_PARAMETER_INVALID;

    }

    mCtx = (XARadioAdaptationCtx*) bCtx;

    *pFrequency = mCtx->frequency;

    DEBUG_API("<-XARadioItfAdapt_GetFrequency");

    return ret;

}

/*

 * XAresult XARadioItfAdapt_CancelSetFrequency(XAAdaptationBaseCtx *bCtx)

 */

XAresult XARadioItfAdapt_CancelSetFrequency(XAAdaptationBaseCtx *bCtx)

{

    XAresult ret = XA_RESULT_SUCCESS;

    XARadioAdaptationCtx* mCtx=NULL;

    DEBUG_API("->XARadioItfAdapt_CancelSetFrequency");

    if(!bCtx)

    {

        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");

        DEBUG_API("<-XARadioItfAdapt_CancelSetFrequency");

        return XA_RESULT_PARAMETER_INVALID;

    }

    mCtx = (XARadioAdaptationCtx*) bCtx;

    if (mCtx->state == XA_RADIO_SEEKING)