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#ifndef S60AUDIOCAPTURESESSION_H

#define S60AUDIOCAPTURESESSION_H

#include <qmobilityglobal.h>

#include <QtCore/qobject.h>

#include <QFile>

#include <QUrl>

#include <QList>

#include <QHash>

#include <QAudioFormat>

#include <Mda\Common\Audio.h>

#include <Mda\Common\Resource.h>

#include <Mda\Client\Utility.h>

#include <MdaAudioSampleEditor.h>

#include <mmf\common\mmfutilities.h>

QTM_BEGIN_NAMESPACE

struct ControllerData

{

	int controllerUid;

	int destinationFormatUid;

	QString destinationFormatDescription;

};

struct CodecData

{

    TFourCC fourCC;

    QString codecDescription;

};

QTM_END_NAMESPACE

QTM_USE_NAMESPACE

class S60AudioCaptureSession : public QObject, public MMdaObjectStateChangeObserver

{

    Q_OBJECT

    Q_PROPERTY(qint64 position READ position NOTIFY positionChanged)

    Q_ENUMS(TAudioCaptureState)

public:

    enum TAudioCaptureState

    {

        ENotInitialized = 0,

        EInitializing,

        EInitialized,

        EOpenCompelete,

        ERecording,

        EPaused,

        ERecordComplete

    };

    S60AudioCaptureSession(QObject *parent = 0);

    ~S60AudioCaptureSession();

    QAudioFormat format() const;    

    bool setFormat(const QAudioFormat &format);

    QStringList supportedAudioCodecs() const;

    QString codecDescription(const QString &codecName);

    bool setAudioCodec(const QString &codecName);

    QString audioCodec() const;

    QString audioContainer() const;

    QStringList supportedAudioContainers() const;

    bool setAudioContainer(const QString &containerMimeType); 

    QString audioContainerDescription(const QString &containerName);

    QList<int> supportedAudioSampleRates() const;

    QUrl outputLocation() const;

    bool setOutputLocation(const QUrl& sink);

    qint64 position() const;    

    void record();

    void pause();

    void stop();

private:    

    void initializeSessionL();

    void updateAudioContainersL();    

    void populateAudioCodecsDataL();

    void retrieveSupportedAudioSampleRatesL();

    void applyAudioSettingsL();

    TFourCC determinePCMFormat();

    void setDefaultSettings();

    void createFileWithHeader(const TPtrC &path);

    // MMdaObjectStateChangeObserver

    void MoscoStateChangeEvent(CBase* aObject, TInt aPreviousState,

            TInt aCurrentState, TInt aErrorCode);

    void MoscoStateChangeEventL(CBase* aObject, TInt aPreviousState,

            TInt aCurrentState, TInt aErrorCode);    

public slots:

    void setCaptureDevice(const QString &deviceName);

Q_SIGNALS:

    void stateChanged(S60AudioCaptureSession::TAudioCaptureState);

    void positionChanged(qint64 position);

private:

    QString m_container;    

    QString m_captureDevice;

    QUrl m_sink;

    TTimeIntervalMicroSeconds m_pausedPosition;

    CMdaAudioRecorderUtility *m_recorderUtility;

    TAudioCaptureState m_captureState;

    QAudioFormat m_format;    

    QHash<QString, ControllerData> m_controllerIdMap;

    QHash<QString, CodecData>  m_audioCodeclist;

    QList<int> m_supportedSampleRates;    

};

#endif // S60AUDIOCAPTURESESSION_H