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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the Qt Mobility Components. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 #ifndef V4LRADIOCONTROL_H |
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43 #define V4LRADIOCONTROL_H |
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44 |
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45 #include <QtCore/qobject.h> |
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46 #include <QtCore/qtimer.h> |
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47 #include <QtCore/qdatetime.h> |
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48 |
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49 #include <qradiotunercontrol.h> |
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50 |
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51 #include <linux/types.h> |
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52 #include <sys/time.h> |
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53 #include <sys/ioctl.h> |
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54 #include <linux/videodev2.h> |
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55 |
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56 QT_USE_NAMESPACE |
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57 |
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58 class V4LRadioService; |
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59 |
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60 class V4LRadioControl : public QRadioTunerControl |
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61 { |
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62 Q_OBJECT |
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63 public: |
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64 V4LRadioControl(QObject *parent = 0); |
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65 ~V4LRadioControl(); |
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66 |
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67 bool isAvailable() const; |
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68 QtMultimediaKit::AvailabilityError availabilityError() const; |
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69 |
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70 QRadioTuner::State state() const; |
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71 |
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72 QRadioTuner::Band band() const; |
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73 void setBand(QRadioTuner::Band b); |
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74 bool isBandSupported(QRadioTuner::Band b) const; |
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75 |
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76 int frequency() const; |
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77 int frequencyStep(QRadioTuner::Band b) const; |
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78 QPair<int,int> frequencyRange(QRadioTuner::Band b) const; |
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79 void setFrequency(int frequency); |
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80 |
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81 bool isStereo() const; |
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82 QRadioTuner::StereoMode stereoMode() const; |
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83 void setStereoMode(QRadioTuner::StereoMode mode); |
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84 |
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85 int signalStrength() const; |
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86 |
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87 int volume() const; |
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88 void setVolume(int volume); |
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89 |
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90 bool isMuted() const; |
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91 void setMuted(bool muted); |
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92 |
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93 bool isSearching() const; |
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94 void cancelSearch(); |
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95 |
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96 void searchForward(); |
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97 void searchBackward(); |
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98 |
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99 void start(); |
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100 void stop(); |
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101 |
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102 QRadioTuner::Error error() const; |
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103 QString errorString() const; |
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104 |
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105 private slots: |
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106 void search(); |
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107 |
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108 private: |
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109 bool initRadio(); |
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110 void setVol(int v); |
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111 int getVol(); |
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112 |
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113 int fd; |
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114 |
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115 bool m_error; |
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116 bool muted; |
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117 bool stereo; |
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118 bool low; |
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119 bool available; |
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120 int tuners; |
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121 int step; |
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122 int vol; |
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123 int sig; |
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124 bool scanning; |
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125 bool forward; |
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126 QTimer* timer; |
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127 QRadioTuner::Band currentBand; |
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128 qint64 freqMin; |
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129 qint64 freqMax; |
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130 qint64 currentFreq; |
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131 QTime playTime; |
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132 }; |
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133 |
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134 #endif |