Qt 4.8
qaudiodeviceinfo.h
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41 
42 
43 #ifndef QAUDIODEVICEINFO_H
44 #define QAUDIODEVICEINFO_H
45 
46 #include <QtCore/qobject.h>
47 #include <QtCore/qglobal.h>
48 #include <QtCore/qbytearray.h>
49 #include <QtCore/qstring.h>
50 #include <QtCore/qstringlist.h>
51 #include <QtCore/qlist.h>
52 
53 #include <QtMultimedia/qaudio.h>
54 #include <QtMultimedia/qaudioformat.h>
55 
56 
58 
60 
61 QT_MODULE(Multimedia)
62 
64 
67 {
68  friend class QAudioDeviceFactory;
69 
70 public:
72  QAudioDeviceInfo(const QAudioDeviceInfo& other);
74 
75  QAudioDeviceInfo& operator=(const QAudioDeviceInfo& other);
76 
77  bool isNull() const;
78 
79  QString deviceName() const;
80 
81  bool isFormatSupported(const QAudioFormat &format) const;
82  QAudioFormat preferredFormat() const;
83  QAudioFormat nearestFormat(const QAudioFormat &format) const;
84 
85  QStringList supportedCodecs() const;
86  QList<int> supportedFrequencies() const;
87  QList<int> supportedSampleRates() const;
88  QList<int> supportedChannels() const;
89  QList<int> supportedChannelCounts() const;
90  QList<int> supportedSampleSizes() const;
91  QList<QAudioFormat::Endian> supportedByteOrders() const;
92  QList<QAudioFormat::SampleType> supportedSampleTypes() const;
93 
96 
98 
99 private:
100  QAudioDeviceInfo(const QString &realm, const QByteArray &handle, QAudio::Mode mode);
101  QString realm() const;
102  QByteArray handle() const;
103  QAudio::Mode mode() const;
104 
106 };
107 
109 
111 
113 
114 #endif // QAUDIODEVICEINFO_H
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
#define QT_MODULE(x)
Definition: qglobal.h:2783
#define QT_BEGIN_HEADER
Definition: qglobal.h:136
static QList< QAudioDeviceInfo > availableDevices(QAudio::Mode mode)
The QByteArray class provides an array of bytes.
Definition: qbytearray.h:135
The QString class provides a Unicode character string.
Definition: qstring.h:83
QSharedDataPointer< QAudioDeviceInfoPrivate > d
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
The QStringList class provides a list of strings.
Definition: qstringlist.h:66
The QAudioDeviceInfo class provides an interface to query audio devices and their functionality...
#define Q_DECLARE_METATYPE(TYPE)
This macro makes the type Type known to QMetaType as long as it provides a public default constructor...
Definition: qmetatype.h:265
Mode
Definition: qaudio.h:60
static QAudioDeviceInfo defaultInputDevice()
#define Q_MULTIMEDIA_EXPORT
Definition: qglobal.h:1456
static QAudioDeviceInfo defaultOutputDevice()
The QAudioFormat class stores audio parameter information.
Definition: qaudioformat.h:60
#define QT_END_HEADER
Definition: qglobal.h:137
static bool isNull(const QVariant::Private *d)
Definition: qvariant.cpp:300