The QAudioOutputSelectorControl class provides an audio output selector media control. 更多...
| 頭： | #include <QAudioOutputSelectorControl> |
| qmake: | QT += multimedia |
| 繼承： | QMediaControl |
該類已過時。 提供它是為使舊源代碼能繼續工作。強烈建議不要在新代碼中使用它。
| 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 |
| virtual void | setActiveOutput (const QString & name ) = 0 |
| void | activeOutputChanged (const QString & name ) |
| void | availableOutputsChanged () |
| QAudioOutputSelectorControl (QObject * parent = nullptr) |
| QAudioOutputSelectorControl_iid |
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
作為定義在
QAudioOutputSelectorControl_iid
.
另請參閱 QMediaService::requestControl ().
[protected]
QAudioOutputSelectorControl::
QAudioOutputSelectorControl
(
QObject
*
parent
= nullptr)
Constructs a new audio output selector control with the given parent .
[signal]
void
QAudioOutputSelectorControl::
activeOutputChanged
(const
QString
&
name
)
Signals that the audio output has changed to name .
[signal]
void
QAudioOutputSelectorControl::
availableOutputsChanged
()
Signals that list of available outputs has changed.
[pure virtual slot]
void
QAudioOutputSelectorControl::
setActiveOutput
(const
QString
&
name
)
Set the active audio output to name .
另請參閱 activeOutput ().
[虛擬]
QAudioOutputSelectorControl::
~QAudioOutputSelectorControl
()
Destroys an audio output selector control.
[pure virtual]
QString
QAudioOutputSelectorControl::
activeOutput
() const
Returns the name of the currently selected audio output.
另請參閱 setActiveOutput ().
[pure virtual]
QList
<
QString
> QAudioOutputSelectorControl::
availableOutputs
() const
Returns a list of the names of the available audio outputs.
[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 .
org.qt-project.qt.audiooutputselectorcontrol/5.0
定義接口名為 QAudioOutputSelectorControl 類。