#include <string.h>

#include <stdlib.h> 

#include "openmaxplayerutility.h"

#define FILE_EXTN "file:///"

#define FILE_EXTN_LEN strlen("file:///")

XAboolean  bIsPlayDone = XA_BOOLEAN_FALSE;

void PlayCallbackFun (XAPlayItf /*caller*/, void* pContext, XAuint32 event)

{

    char callback_string[50];

    COpenMaxPlayerUtility* pSelf = (COpenMaxPlayerUtility*)pContext;

    if(event & XA_PLAYEVENT_HEADMOVING)

    {

        strcpy(callback_string, "XA_PLAYEVENT_HEADMOVING");    

    }

    else if(event & XA_PLAYEVENT_HEADATEND)

    {

        strcpy(callback_string, "XA_PLAYEVENT_HEADATEND");

        bIsPlayDone = XA_BOOLEAN_TRUE;

        pSelf->Stop();

    }

    else if(event & XA_PLAYEVENT_HEADATMARKER)

    {

        strcpy(callback_string, "XA_PLAYEVENT_HEADATMARKER");    

    }

    else if(event & XA_PLAYEVENT_HEADATNEWPOS)

    {

        strcpy(callback_string, "XA_PLAYEVENT_HEADATNEWPOS");    

    }

    else if(event & XA_PLAYEVENT_HEADSTALLED)

    {

        strcpy(callback_string, "XA_PLAYEVENT_HEADSTALLED");    

    }

    //LOGFILE (callback_string);

}

COpenMaxPlayerUtility::COpenMaxPlayerUtility()

{

    Init();

}

COpenMaxPlayerUtility::~COpenMaxPlayerUtility()

{

    /* Destroy the player */

    DestroyPlayer ();

    /* Destroy Output Mix object */

    (*m_outputMix)->Destroy(m_outputMix);

    /* Shutdown OpenMAX AL */

    (*m_engine)->Destroy(m_engine);

}

// Initializes the OpenMAX AL engine and start the playback of some

// music from a file and draw the graphical equalizer

//

void COpenMaxPlayerUtility::Init (void)

{

    XAresult res;

    int i;

    XAEngineOption EngineOption[] = {

        (XAuint32) XA_ENGINEOPTION_THREADSAFE,

        (XAuint32) XA_BOOLEAN_TRUE

    };

    /* Create OpenMAX AL */

   res = xaCreateEngine(&m_engine, 1, EngineOption, 0, NULL, NULL); 

   CheckErr(res, "xaCreateEngine");

    /* Realizing the XA Engine in synchronous mode. */

   res = (*m_engine)->Realize(m_engine, XA_BOOLEAN_FALSE); 

   CheckErr(res, "Realize(engine)");

    /* Get the XA Engine Interface which is implicit */

   res = (*m_engine)->GetInterface(m_engine, XA_IID_ENGINE, (void**) &m_EngineItf); 

   CheckErr(res, "GetInterface(engine)");

    /* Initialize arrays required[] and iidArray[] */

    for (i = 0; i < MAX_NUMBER_INTERFACES; i++)

    {

        m_required[i] = XA_BOOLEAN_FALSE;

        m_iidArray[i] = XA_IID_NULL;

    }

    /* Set arrays required[] and iidArray[] for VOLUME and EQUALIZER interfaces */

    m_required[0] = XA_BOOLEAN_TRUE;

    m_iidArray[0] = XA_IID_VOLUME;

    m_required[1] = XA_BOOLEAN_TRUE;

    m_iidArray[1] = XA_IID_EQUALIZER;

    /* Create Output Mix object to be used by player */

    res = (*m_EngineItf)->CreateOutputMix(m_EngineItf, &m_outputMix, 2, m_iidArray, m_required); 

    CheckErr(res, "CreateOutputMix");

    /* Realizing the Output Mix object in synchronous mode. */

    res = (*m_outputMix)->Realize(m_outputMix, XA_BOOLEAN_FALSE); 

    CheckErr(res, "Realize(outputMix)");

    /* Get volume and equalizer interfaces */

    res = (*m_outputMix)->GetInterface(m_outputMix, XA_IID_VOLUME, (void**) &m_volumeItf); 

    CheckErr(res, "GetInterface(volume)");

    res = (*m_outputMix)->GetInterface(m_outputMix, XA_IID_EQUALIZER, (void**) &m_equalizerItf); 

    CheckErr(res, "GetInterface(equalizer)");

    // Setup the audio sink structure 

    m_locator_outputmix.locatorType = XA_DATALOCATOR_OUTPUTMIX;

    m_locator_outputmix.outputMix = m_outputMix;

    m_audioSink.pLocator = (void*) &m_locator_outputmix;

    m_audioSink.pFormat = NULL;

    /* Set arrays required[] and iidArray[] for no interfaces (PlayItf is implicit) */

    m_required[0] = XA_BOOLEAN_TRUE;

    m_iidArray[0] = XA_IID_DYNAMICSOURCE;

    m_required[1] = XA_BOOLEAN_FALSE;

    m_iidArray[1] = XA_IID_NULL;

    // Setup the video sink structure 

    // Set nativeWindowHandle and nativeDisplayHandle to platform specific values 

    XANativeHandle nativeWindowHandle = NULL;

    XANativeHandle nativeDisplayHandle = NULL;

    m_locator_displayregion.locatorType = XA_DATALOCATOR_NATIVEDISPLAY;

    m_locator_displayregion.hDisplay = nativeDisplayHandle;

    m_locator_displayregion.hWindow = nativeWindowHandle; 

    m_videoSink.pLocator = (void*) &m_locator_displayregion;

    m_videoSink.pFormat = NULL;

    /* Before we start set volume to -3dB (-300mB) and enable equalizer */

    XAmillibel minVol = m_nVolume = XA_MILLIBEL_MIN;

    XAmillibel maxVol = 0;

    res = (*m_volumeItf)->GetMaxVolumeLevel (m_volumeItf, &maxVol);

    CheckErr(res, "GetMaxVolumeLevel");

    // before Play, set volume 

    res = (*m_volumeItf)->SetVolumeLevel(m_volumeItf, minVol); 

    CheckErr(res, "SetVolumeLevel");

}

void COpenMaxPlayerUtility::DestroyPlayer ()

    {

    XAresult res;

    XAuint32 playState;

    /* Stop the music */

    res = (*m_playItf)->GetPlayState(m_playItf, &playState);

    CheckErr(res, "GetPlayState");

    if ( playState != XA_PLAYSTATE_STOPPED )

        {

        res = (*m_playItf)->SetPlayState(m_playItf, XA_PLAYSTATE_STOPPED); 

        CheckErr(res, "SetPlayState(stopped)");

        }

    // Destroy the player caused app to crash 

//    (*player)->Destroy(player);

    }

/*

* Called when the display is repainted.

*/

void COpenMaxPlayerUtility::DrawEQDisplay (void)

{

    XAuint16 numBands;

    XAmillibel bandLevel;

    XAmillibel minLevel;

    XAmillibel maxLevel;

    XAmilliHertz minFreq;

    XAmilliHertz maxFreq;

    int band;

    XAresult res;

    res = (*m_equalizerItf)->GetNumberOfBands(m_equalizerItf, &numBands); 

    CheckErr(res, "GetNumberOfBands(equalizerItf)");

    res = (*m_equalizerItf)->GetBandLevelRange(m_equalizerItf, &minLevel, &maxLevel); 

    CheckErr(res, "GetBandLevelRange(equalizerItf)");

    for (band = 0; band<numBands; band++)

    {

        res = (*m_equalizerItf)->GetBandFreqRange(m_equalizerItf, (XAint16) band, &minFreq, &maxFreq); 

        CheckErr(res, "GetBandFreqRange(equalizerItf)");

        res = (*m_equalizerItf)->GetBandLevel(m_equalizerItf, (XAint16)band, &bandLevel); 

        CheckErr(res, "GetBandLevel(equalizerItf)");

 //       drawEQBand(minFreq, maxFreq, bandLevel);

    }

}

void COpenMaxPlayerUtility::VideoFrameSize(TSize& /*aSize*/) const

{

}

TTimeIntervalMicroSeconds COpenMaxPlayerUtility::Position() const

{

    return 0;

}

TTimeIntervalMicroSeconds COpenMaxPlayerUtility::Duration() const

{

    return 0;

}

TInt COpenMaxPlayerUtility::Volume() const

    {

    return m_nVolume;

    }

TInt COpenMaxPlayerUtility::MaxVolume() const

    {

    return m_nVolume;

    }

TInt COpenMaxPlayerUtility::Balance()const

{

    return 0;

}

TVideoRotation COpenMaxPlayerUtility::Rotation() const

{

    return EVideoRotationNone;

}

void COpenMaxPlayerUtility::SetVolume(TInt aVolume)

    {

    m_nVolume = aVolume;

    XAresult res = (*m_volumeItf)->SetVolumeLevel(m_volumeItf, (XAmillibel)m_nVolume); 

    CheckErr(res, "SetVolumeL");

    }

void COpenMaxPlayerUtility::SetBalance(TInt /*aBalance*/)

    {

    }

void COpenMaxPlayerUtility::SetPosition(const TTimeIntervalMicroSeconds& /*aPosition*/)

    {

    }

void COpenMaxPlayerUtility::SetRotation(const RWindow& /*aWindow*/, TVideoRotation /*aRotation*/)

    {

    }

void COpenMaxPlayerUtility::SetScaleFactor(const RWindow& /*aWindow*/, TReal32 /*aWidthPercentage*/, 

        TReal32 /*aHeightPercentage*/)

    {

    }

void COpenMaxPlayerUtility::SetAutoScale(const RWindow& /*aWindow*/, TAutoScaleType /*aScaleType*/)

    {

    }

void COpenMaxPlayerUtility::StepFrame(TInt /*aStep*/)

    {

    }

void COpenMaxPlayerUtility::OpenFile(const TDesC& aFileName, TUid /*aControllerUid*/)

    {

    const TUint16 *pFile = aFileName.Ptr();

    TInt len = aFileName.Length();

    if (pFile) 

        {

        strcpy((char*)m_sourceName, FILE_EXTN);

        len = wcstombs((char*)&m_sourceName[FILE_EXTN_LEN], (const wchar_t *)pFile, len);

        m_sourceName[FILE_EXTN_LEN + len] = '\0';

        uri.locatorType = XA_DATALOCATOR_URI;

        uri.URI = (XAchar*) m_sourceName;

        m_mime.formatType = XA_DATAFORMAT_MIME;

        m_mime.mimeType = (XAchar *) "audio/ra";

		//Do we need this here?

        PlaySource (uri);

        }

    }

void COpenMaxPlayerUtility::OpenUrl(const TDesC& /*aUrl*/)

    {

    }

void COpenMaxPlayerUtility::Prepare()

    {

    }

void COpenMaxPlayerUtility::Close()

    {

    }

void COpenMaxPlayerUtility::Pause()

    {

    XAresult res;

    res = (*m_playItf)->SetPlayState(m_playItf, XA_PLAYSTATE_PAUSED); 

    CheckErr(res, "SetPlayState(paused)");

    }

void COpenMaxPlayerUtility::Play()

    {

    XAresult res;

    res = (*m_playItf)->SetPlayState(m_playItf, XA_PLAYSTATE_PLAYING); 

    CheckErr(res, "SetPlayState(playing)");

    }

TInt COpenMaxPlayerUtility::Stop()

    {

    DestroyPlayer();

	  return 0;

    }

void COpenMaxPlayerUtility::AddDisplayWindow(RWsSession& aWs, CWsScreenDevice& /*aScreenDevice*/, RWindow& aWindow)

    {

    m_locator_displayregion.hDisplay = &aWs; //pointer to RWsSession

    m_locator_displayregion.hWindow = &aWindow; //pointer to RWindow

    }

void COpenMaxPlayerUtility::SetWindowClipRect(const RWindow& /*aWindow*/, const TRect& /*aWindowClipRect*/)

    {

    }

void COpenMaxPlayerUtility::SetVideoExtent(const RWindow& /*aWindow*/, const TRect& /*aVideoExtent*/)

    {

    }

/* Checks for error. If any errors exit the application! */

bool COpenMaxPlayerUtility::CheckErr (XAresult res, char* /*aMsg*/)

{

    return (res == XA_RESULT_SUCCESS);

}

/*

* Called by UI when user increases or decreases a band level.

*/

void COpenMaxPlayerUtility::SetBandLevel(XAint16 band, XAboolean increase)

{

    XAuint16 numBands;

    XAmillibel bandLevel;

    XAmillibel minLevel;

    XAmillibel maxLevel;

    XAresult res;

    res = (*m_equalizerItf)->GetNumberOfBands(m_equalizerItf, &numBands); 

    CheckErr(res, "GetNumberOfBands");

    res = (*m_equalizerItf)->GetBandLevelRange(m_equalizerItf, &minLevel, &maxLevel); 

    CheckErr(res, "GetBandLevelRange");

    if (band >= numBands)

    {

        /* Error. Insert debug print here. */

        exit(0);

    }

    res = (*m_equalizerItf)->GetBandLevel(m_equalizerItf, band, &bandLevel); 

    CheckErr(res, "GetBandLevel");

    if (increase==XA_BOOLEAN_TRUE)

    {

        /* increase the level by 1 dB (100mB) if the max supported level

        * is not exceeded */

        bandLevel = bandLevel + 100;

        if(bandLevel < maxLevel)

        {

            res = (*m_equalizerItf)->SetBandLevel(m_equalizerItf, band, bandLevel); 

            CheckErr(res);

            DrawEQDisplay();

        }

    }

    else /* increase==false */

    {

        /* decrease the level by 1 dB (100mB) if the min supported level

        * is not crossed */

        bandLevel = bandLevel - 100;

        if( bandLevel > minLevel )

        {

            res = (*m_equalizerItf)->SetBandLevel(m_equalizerItf, band, bandLevel); 

            CheckErr(res);

            DrawEQDisplay();

        }

    }

}

void COpenMaxPlayerUtility::PlaySource(const XADataLocator_URI &source)

    {

    m_dataSource.pLocator = (void*) &source;

    m_dataSource.pFormat = (void*) &m_mime;

    // Create the music player //

    XAresult res;

    res = (*m_EngineItf)->CreateMediaPlayer ( m_EngineItf, &player, &m_dataSource, NULL, &m_audioSink, 

            &m_videoSink, NULL, NULL, 1, m_iidArray, m_required); 

    CheckErr(res, "CreateMediaPlayer");

    // Realizing the player in synchronous mode. 

    res = (*player)->Realize(player, XA_BOOLEAN_FALSE); 

    CheckErr(res, "Realize(player)");

    // Get the play interface 

    res = (*player)->GetInterface(player, XA_IID_PLAY, (void**) &m_playItf); 

    CheckErr(res, "GetInterface(player)");

/*    XADynamicSourceItf sourceItf;

    res = (*player)->GetInterface(player, XA_IID_DYNAMICSOURCE, (void**) &sourceItf); 

    CheckErr(res, "GetDynamicSource");

    res = (*sourceItf)->SetSource (sourceItf, &m_dataSource);

    CheckErr(res, "SetSource");

*/

    // before Play, set volume 

    res = (*m_volumeItf)->SetVolumeLevel(m_volumeItf, m_nVolume); 

    CheckErr(res, "SetVolumeLevel");

    XAmillisecond playDuration = 0;

    res = (*m_playItf)->GetDuration(m_playItf, &playDuration); 

    bool b = CheckErr(res, "GetDuration");

    //if ( b && (playDuration != XA_DURATION_UNKNOWN) )

        //SetDurationL ((playDuration/1000));

    res = (*m_playItf)->SetCallbackEventsMask(m_playItf, XA_PLAYEVENT_HEADATEND | XA_PLAYEVENT_HEADMOVING); 

    CheckErr(res, "SetCallbackEventsMask");

    res = (*m_playItf)->RegisterCallback(m_playItf, PlayCallbackFun, this);

    CheckErr(res, "RegisterCallback");

	//Do we need this here?

    Play();

    }

void COpenMaxPlayerUtility::PlayPause(bool bChecked)

    {

    if (bChecked)

        {

        Pause();

        }

    else

        {

        Play();

        }

    }

void COpenMaxPlayerUtility::MuteChanged(bool bChecked)

    {

    XAresult res = (*m_volumeItf)->SetMute(m_volumeItf, (XAboolean)bChecked); 

    CheckErr(res, "MuteChanged");

    }

TInt COpenMaxPlayerUtility::SetPlayVelocity( TInt aVelocity )

    {

    m_Velocity = aVelocity;

    return 0;

    }