/****************************************************************************

**

** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the Qt Mobility Components.

**

** $QT_BEGIN_LICENSE:LGPL$

** No Commercial Usage

** This file contains pre-release code and may not be distributed.

** You may use this file in accordance with the terms and conditions

** contained in the Technology Preview License Agreement accompanying

** this package.

**

** GNU Lesser General Public License Usage

** Alternatively, this file may be used under the terms of the GNU Lesser

** General Public License version 2.1 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL included in the

** packaging of this file.  Please review the following information to

** ensure the GNU Lesser General Public License version 2.1 requirements

** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at qt-info@nokia.com.

**

**

**

**

**

**

**

**

** $QT_END_LICENSE$

**

****************************************************************************/

#ifndef V4LRADIOCONTROL_H

#define V4LRADIOCONTROL_H

#include <QtCore/qobject.h>

#include <QtCore/qtimer.h>

#include <QtCore/qdatetime.h>

#include <qradiotunercontrol.h>

#include <linux/types.h>

#include <sys/time.h>

#include <sys/ioctl.h>

#include <linux/videodev2.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;

private slots:

    void search();

private:

    bool initRadio();

    void setVol(int v);

    int  getVol();

    int fd;

    bool m_error;

    bool muted;

    bool stereo;

    bool low;

    bool available;

    int  tuners;

    int  step;

    int  vol;

    int  sig;

    bool scanning;

    bool forward;

    QTimer* timer;

    QRadioTuner::Band   currentBand;

    qint64 freqMin;

    qint64 freqMax;

    qint64 currentFreq;

    QTime  playTime;

};

#endif