QAudioOutputSelectorControl Class
The QAudioOutputSelectorControl class provides an audio output selector media control. 更多...
| 头文件: | #include <QAudioOutputSelectorControl> |
| qmake: | QT += multimedia |
| 基类: | QMediaControl |
公有函数
| virtual | ~QAudioOutputSelectorControl() |
| virtual QString | activeOutput() const = 0 |
| virtual QList<QString> | availableOutputs() const = 0 |
| virtual QString | defaultOutput() const = 0 |
| virtual QString | outputDescription(const QString &name) const = 0 |
- 32 个公有函数继承自 QObject
公有槽函数
| virtual void | setActiveOutput(const QString &name) = 0 |
- 1 个公有槽函数继承自 QObject
信号
| void | activeOutputChanged(const QString &name) |
| void | availableOutputsChanged() |
- 2 个信号继承自 QObject
受保护的函数
| QAudioOutputSelectorControl(QObject *parent = Q_NULLPTR) |
- 9 个受保护的函数继承自 QObject
Macros
其他继承的成员
详细描述
The QAudioOutputSelectorControl class provides an audio output selector media control.
The QAudioOutputSelectorControl class provides descriptions of the audio outputs available on a system and allows one to be selected as the audio output of a media service.
The interface name of QAudioOutputSelectorControl is org.qt-project.qt.audiooutputselectorcontrol/5.0 as defined in QAudioOutputSelectorControl_iid.
参见 QMediaService::requestControl().
成员函数
[protected] QAudioOutputSelectorControl::QAudioOutputSelectorControl(QObject *parent = Q_NULLPTR)
Constructs a new audio output selector control with the given parent.
[virtual] QAudioOutputSelectorControl::~QAudioOutputSelectorControl()
Destroys an audio output selector control.
[pure virtual] QString QAudioOutputSelectorControl::activeOutput() const
Returns the name of the currently selected audio output.
参见 setActiveOutput().
[signal] void QAudioOutputSelectorControl::activeOutputChanged(const QString &name)
Signals that the audio output has changed to name.
[pure virtual] QList<QString> QAudioOutputSelectorControl::availableOutputs() const
Returns a list of the names of the available audio outputs.
[signal] void QAudioOutputSelectorControl::availableOutputsChanged()
Signals that list of available outputs has changed.
[pure virtual] QString QAudioOutputSelectorControl::defaultOutput() const
Returns the name of the default audio output.
[pure virtual] QString QAudioOutputSelectorControl::outputDescription(const QString &name) const
Returns the description of the output name.
[pure virtual slot] void QAudioOutputSelectorControl::setActiveOutput(const QString &name)
Set the active audio output to name.
参见 activeOutput().
宏
QAudioOutputSelectorControl_iid
org.qt-project.qt.audiooutputselectorcontrol/5.0
Defines the interface name of the QAudioOutputSelectorControl class.