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#ifndef V4LRADIOCONTROL_H

#define V4LRADIOCONTROL_H

#include <QtCore/qobject.h>

#include <QtCore/qtimer.h>

#include <qradiotunercontrol.h>

#include <QtDBus/QtDBus>

#include <gst/gst.h>

#include <alsa/asoundlib.h>

QTM_USE_NAMESPACE

class V4LRadioService;

class V4LRadioControl : public QRadioTunerControl

{

    Q_OBJECT

public:

    V4LRadioControl(QObject *parent = 0);

    ~V4LRadioControl();

    bool isAvailable() const;

    QtMedia::AvailabilityError availabilityError() const;

    QRadioTuner::State state() const;

    QRadioTuner::Band band() const;

    void setBand(QRadioTuner::Band b);

    bool isBandSupported(QRadioTuner::Band b) const;

    int frequency() const;

    int frequencyStep(QRadioTuner::Band b) const;

    QPair<int,int> frequencyRange(QRadioTuner::Band b) const;

    void setFrequency(int frequency);

    bool isStereo() const;

    QRadioTuner::StereoMode stereoMode() const;

    void setStereoMode(QRadioTuner::StereoMode mode);

    int signalStrength() const;

    int volume() const;

    void setVolume(int volume);

    bool isMuted() const;

    void setMuted(bool muted);

    bool isSearching() const;

    void cancelSearch();

    void searchForward();

    void searchBackward();

    void start();

    void stop();

    QRadioTuner::Error error() const;

    QString errorString() const;

private slots:

    void search();

    void enableFMRX();

private:

    bool initRadio();

    void setupHeadPhone();

    bool createGstPipeline();

    void callAmixer(const QString& target, const QString& value);

    int getEnumItemIndex(snd_ctl_t *handle, snd_ctl_elem_info_t *info, const  QString &value);

    int vol(snd_hctl_elem_t *elem) const;

private:

    int fd;

    bool m_error;

    bool muted;

    bool stereo;

    bool low;

    bool available;

    int  tuners;

    int  step;

    int  sig;

    bool scanning;

    bool forward;

    QTimer* timer;

    QTimer* tickTimer;

    QRadioTuner::Band   currentBand;

    qint64 freqMin;

    qint64 freqMax;

    qint64 currentFreq;

    GstElement *pipeline;

    QDBusInterface* FMRXEnablerIFace;

};

#endif