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39
40#ifndef QRADIOTUNER_H
41#define QRADIOTUNER_H
42
43#include <QtCore/qobject.h>
44
45#include <QtMultimedia/qmediaobject.h>
46#include <QtMultimedia/qmediaenumdebug.h>
47
48#include <QtCore/qpair.h>
49
50QT_BEGIN_NAMESPACE
51
52class QRadioData;
53class QRadioTunerPrivate;
54class Q_MULTIMEDIA_EXPORT QRadioTuner : public QMediaObject
55{
56 Q_OBJECT
57 Q_PROPERTY(State state READ state NOTIFY stateChanged)
58 Q_PROPERTY(Band band READ band WRITE setBand NOTIFY bandChanged)
59 Q_PROPERTY(int frequency READ frequency WRITE setFrequency NOTIFY frequencyChanged)
60 Q_PROPERTY(bool stereo READ isStereo NOTIFY stereoStatusChanged)
61 Q_PROPERTY(StereoMode stereoMode READ stereoMode WRITE setStereoMode)
62 Q_PROPERTY(int signalStrength READ signalStrength NOTIFY signalStrengthChanged)
63 Q_PROPERTY(int volume READ volume WRITE setVolume NOTIFY volumeChanged)
64 Q_PROPERTY(bool muted READ isMuted WRITE setMuted NOTIFY mutedChanged)
65 Q_PROPERTY(bool searching READ isSearching NOTIFY searchingChanged)
66 Q_PROPERTY(bool antennaConnected READ isAntennaConnected NOTIFY antennaConnectedChanged)
67 Q_PROPERTY(QRadioData *radioData READ radioData CONSTANT)
68 Q_ENUMS(State)
69 Q_ENUMS(Band)
70 Q_ENUMS(Error)
71 Q_ENUMS(StereoMode)
72 Q_ENUMS(SearchMode)
73
74public:
75 enum State { ActiveState, StoppedState };
76 enum Band { AM, FM, SW, LW, FM2 };
77 enum Error { NoError, ResourceError, OpenError, OutOfRangeError };
78 enum StereoMode { ForceStereo, ForceMono, Auto };
79 enum SearchMode { SearchFast, SearchGetStationId };
80
81 explicit QRadioTuner(QObject *parent = nullptr);
82 ~QRadioTuner();
83
84 QMultimedia::AvailabilityStatus availability() const override;
85
86 State state() const;
87
88 Band band() const;
89
90 bool isBandSupported(Band b) const;
91
92 int frequency() const;
93 int frequencyStep(Band band) const;
94 QPair<int,int> frequencyRange(Band band) const;
95
96 bool isStereo() const;
97 void setStereoMode(QRadioTuner::StereoMode mode);
98 StereoMode stereoMode() const;
99
100 int signalStrength() const;
101
102 int volume() const;
103 bool isMuted() const;
104
105 bool isSearching() const;
106
107 bool isAntennaConnected() const;
108
109 Error error() const;
110 QString errorString() const;
111
112 QRadioData *radioData() const;
113
114public Q_SLOTS:
115 void searchForward();
116 void searchBackward();
117 void searchAllStations(QRadioTuner::SearchMode searchMode = QRadioTuner::SearchFast);
118 void cancelSearch();
119
120 void setBand(Band band);
121 void setFrequency(int frequency);
122
123 void setVolume(int volume);
124 void setMuted(bool muted);
125
126 void start();
127 void stop();
128
129Q_SIGNALS:
130 void stateChanged(QRadioTuner::State state);
131 void bandChanged(QRadioTuner::Band band);
132 void frequencyChanged(int frequency);
133 void stereoStatusChanged(bool stereo);
134 void searchingChanged(bool searching);
135 void signalStrengthChanged(int signalStrength);
136 void volumeChanged(int volume);
137 void mutedChanged(bool muted);
138 void stationFound(int frequency, QString stationId);
139 void antennaConnectedChanged(bool connectionStatus);
140
141 void error(QRadioTuner::Error error);
142
143private:
144 Q_DISABLE_COPY(QRadioTuner)
145 Q_DECLARE_PRIVATE(QRadioTuner)
146};
147
148QT_END_NAMESPACE
149
150Q_DECLARE_METATYPE(QRadioTuner::State)
151Q_DECLARE_METATYPE(QRadioTuner::Band)
152Q_DECLARE_METATYPE(QRadioTuner::Error)
153Q_DECLARE_METATYPE(QRadioTuner::StereoMode)
154Q_DECLARE_METATYPE(QRadioTuner::SearchMode)
155
156Q_MEDIA_ENUM_DEBUG(QRadioTuner, State)
157Q_MEDIA_ENUM_DEBUG(QRadioTuner, Band)
158Q_MEDIA_ENUM_DEBUG(QRadioTuner, Error)
159Q_MEDIA_ENUM_DEBUG(QRadioTuner, StereoMode)
160Q_MEDIA_ENUM_DEBUG(QRadioTuner, SearchMode)
161
162#endif // QRADIOPLAYER_H
163

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source code of qtmultimedia/src/multimedia/radio/qradiotuner.h