Qt 4.8
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multimedia
audio
qaudiooutput.h
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/****************************************************************************
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** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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**
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** This file is part of the QtMultimedia module of the Qt Toolkit.
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** $QT_BEGIN_LICENSE:LGPL$
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****************************************************************************/
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#ifndef QAUDIOOUTPUT_H
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#define QAUDIOOUTPUT_H
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#include <QtCore/qiodevice.h>
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#include <QtCore/qglobal.h>
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#include <QtMultimedia/qaudio.h>
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#include <QtMultimedia/qaudioformat.h>
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#include <QtMultimedia/qaudiodeviceinfo.h>
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE
(Multimedia)
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class
QAbstractAudioOutput
;
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class
Q_MULTIMEDIA_EXPORT
QAudioOutput
:
public
QObject
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{
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Q_OBJECT
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public
:
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explicit
QAudioOutput
(
const
QAudioFormat
&
format
=
QAudioFormat
(),
QObject
*parent = 0);
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explicit
QAudioOutput
(
const
QAudioDeviceInfo
&audioDeviceInfo,
const
QAudioFormat
&
format
=
QAudioFormat
(),
QObject
*parent = 0);
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~
QAudioOutput
();
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QAudioFormat
format
()
const
;
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void
start(
QIODevice
*device);
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QIODevice
* start();
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void
stop();
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void
reset
();
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void
suspend();
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void
resume();
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void
setBufferSize(
int
bytes);
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int
bufferSize()
const
;
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int
bytesFree()
const
;
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int
periodSize()
const
;
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void
setNotifyInterval(
int
milliSeconds);
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int
notifyInterval()
const
;
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qint64
processedUSecs()
const
;
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qint64
elapsedUSecs()
const
;
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QAudio::Error
error
()
const
;
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QAudio::State
state()
const
;
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Q_SIGNALS
:
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void
stateChanged(
QAudio::State
);
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void
notify();
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private
:
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Q_DISABLE_COPY
(
QAudioOutput
)
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QAbstractAudioOutput
*
d
;
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};
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif // QAUDIOOUTPUT_H
d
double d
Definition:
qnumeric_p.h:62
QAudio::Error
Error
Definition:
qaudio.h:58
QT_END_NAMESPACE
#define QT_END_NAMESPACE
This macro expands to.
Definition:
qglobal.h:90
QT_MODULE
#define QT_MODULE(x)
Definition:
qglobal.h:2783
QT_BEGIN_HEADER
#define QT_BEGIN_HEADER
Definition:
qglobal.h:136
error
#define error(msg)
Definition:
qabstractduration.cpp:58
reset
Q_CORE_EXPORT QTextStream & reset(QTextStream &s)
QAbstractAudioOutput
The QAbstractAudioOutput class provides access for QAudioOutput to access the audio device provided b...
Definition:
qaudioengine.h:73
Q_DISABLE_COPY
#define Q_DISABLE_COPY(Class)
Disables the use of copy constructors and assignment operators for the given Class.
Definition:
qglobal.h:2523
QObject
The QObject class is the base class of all Qt objects.
Definition:
qobject.h:111
Q_SIGNALS
#define Q_SIGNALS
Definition:
qobjectdefs.h:72
QT_BEGIN_NAMESPACE
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition:
qglobal.h:89
QAudioDeviceInfo
The QAudioDeviceInfo class provides an interface to query audio devices and their functionality...
Definition:
qaudiodeviceinfo.h:66
qint64
__int64 qint64
Definition:
qglobal.h:942
Q_OBJECT
#define Q_OBJECT
Definition:
qobjectdefs.h:157
format
format
Definition:
qprintengine_ps.cpp:286
QAudio::State
State
Definition:
qaudio.h:59
Q_MULTIMEDIA_EXPORT
#define Q_MULTIMEDIA_EXPORT
Definition:
qglobal.h:1456
QAudioOutput
The QAudioOutput class provides an interface for sending audio data to an audio output device...
Definition:
qaudiooutput.h:63
QAudioFormat
The QAudioFormat class stores audio parameter information.
Definition:
qaudioformat.h:60
QIODevice
The QIODevice class is the base interface class of all I/O devices in Qt.
Definition:
qiodevice.h:66
QT_END_HEADER
#define QT_END_HEADER
Definition:
qglobal.h:137
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