Qt 4.8
qaudiooutput.h
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41 
42 
43 #ifndef QAUDIOOUTPUT_H
44 #define QAUDIOOUTPUT_H
45 
46 #include <QtCore/qiodevice.h>
47 #include <QtCore/qglobal.h>
48 
49 #include <QtMultimedia/qaudio.h>
50 #include <QtMultimedia/qaudioformat.h>
51 #include <QtMultimedia/qaudiodeviceinfo.h>
52 
53 
55 
57 
58 QT_MODULE(Multimedia)
59 
60 
62 
64 {
65  Q_OBJECT
66 
67 public:
68  explicit QAudioOutput(const QAudioFormat &format = QAudioFormat(), QObject *parent = 0);
69  explicit QAudioOutput(const QAudioDeviceInfo &audioDeviceInfo, const QAudioFormat &format = QAudioFormat(), QObject *parent = 0);
70  ~QAudioOutput();
71 
72  QAudioFormat format() const;
73 
74  void start(QIODevice *device);
75  QIODevice* start();
76 
77  void stop();
78  void reset();
79  void suspend();
80  void resume();
81 
82  void setBufferSize(int bytes);
83  int bufferSize() const;
84 
85  int bytesFree() const;
86  int periodSize() const;
87 
88  void setNotifyInterval(int milliSeconds);
89  int notifyInterval() const;
90 
91  qint64 processedUSecs() const;
92  qint64 elapsedUSecs() const;
93 
94  QAudio::Error error() const;
95  QAudio::State state() const;
96 
97 Q_SIGNALS:
98  void stateChanged(QAudio::State);
99  void notify();
100 
101 private:
103 
105 };
106 
108 
110 
111 #endif // QAUDIOOUTPUT_H
double d
Definition: qnumeric_p.h:62
Error
Definition: qaudio.h:58
#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
#define error(msg)
Q_CORE_EXPORT QTextStream & reset(QTextStream &s)
The QAbstractAudioOutput class provides access for QAudioOutput to access the audio device provided b...
Definition: qaudioengine.h:73
#define Q_DISABLE_COPY(Class)
Disables the use of copy constructors and assignment operators for the given Class.
Definition: qglobal.h:2523
The QObject class is the base class of all Qt objects.
Definition: qobject.h:111
#define Q_SIGNALS
Definition: qobjectdefs.h:72
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
The QAudioDeviceInfo class provides an interface to query audio devices and their functionality...
__int64 qint64
Definition: qglobal.h:942
#define Q_OBJECT
Definition: qobjectdefs.h:157
State
Definition: qaudio.h:59
#define Q_MULTIMEDIA_EXPORT
Definition: qglobal.h:1456
The QAudioOutput class provides an interface for sending audio data to an audio output device...
Definition: qaudiooutput.h:63
The QAudioFormat class stores audio parameter information.
Definition: qaudioformat.h:60
The QIODevice class is the base interface class of all I/O devices in Qt.
Definition: qiodevice.h:66
#define QT_END_HEADER
Definition: qglobal.h:137