qtmobility/plugins/multimedia/v4l/radio/v4lradiocontrol_maemo5.h
changeset 4 90517678cc4f
child 5 453da2cfceef
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qtmobility/plugins/multimedia/v4l/radio/v4lradiocontrol_maemo5.h	Mon May 03 13:18:40 2010 +0300
@@ -0,0 +1,141 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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 <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