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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>

QT_USE_NAMESPACE

class V4LRadioService;

class V4LRadioControl : public QRadioTunerControl
{
    Q_OBJECT
public:
    V4LRadioControl(QObject *parent = 0);
    ~V4LRadioControl();

    bool isAvailable() const;
    QtMultimediaKit::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;

public slots:
    void enablePipeline(bool enable = true);

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