The QAudioRoleControl class provides control over the audio role of a media object. More...
|qmake:||QT += multimedia|
This class is obsolete. It is provided to keep old source code working. We strongly advise against using it in new code.
This class was introduced in Qt 5.6.
|virtual QAudio::Role||audioRole() const = 0|
|virtual void||setAudioRole(QAudio::Role role) = 0|
|virtual QList<QAudio::Role>||supportedAudioRoles() const = 0|
|QAudioRoleControl(QObject *parent = nullptr)|
If a QMediaService supports audio roles it will implement QAudioRoleControl.
The functionality provided by this control is exposed to application code through the QMediaPlayer class.
The interface name of QAudioRoleControl is
org.qt-project.qt.audiorolecontrol/5.6 as defined in QAudioRoleControl_iid.
See also QMediaService::requestControl() and QMediaPlayer.
Member Function Documentation
[protected] QAudioRoleControl::QAudioRoleControl(QObject *parent = nullptr)
Construct a QAudioRoleControl with the given parent.
[signal] void QAudioRoleControl::audioRoleChanged(QAudio::Role role)
Signal emitted when the audio role has changed.
Destroys the audio role control.
[pure virtual] QAudio::Role QAudioRoleControl::audioRole() const
Returns the audio role of the media played by the media service.
See also setAudioRole().
[pure virtual] void QAudioRoleControl::setAudioRole(QAudio::Role role)
Sets the audio role of the media played by the media service.
See also audioRole().
[pure virtual] QList<QAudio::Role> QAudioRoleControl::supportedAudioRoles() const
Returns a list of audio roles that the media service supports.
Defines the interface name of the QAudioRoleControl class.
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