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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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;
QMultimedia::AvailabilityStatus availability() 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
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