QAudioRoleControl Class

The QAudioRoleControl class provides control over the audio role of a media object. More...

Header: #include <QAudioRoleControl>
qmake: QT += multimedia
Since: Qt 5.6
Inherits: QMediaControl

Public Functions

virtual ~QAudioRoleControl()
virtual QAudio::Role audioRole() const = 0
virtual void setAudioRole(QAudio::Role role) = 0
virtual QList<QAudio::Role> supportedAudioRoles() const = 0
  • 32 public functions inherited from QObject

Signals

void audioRoleChanged(QAudio::Role role)

Protected Functions

QAudioRoleControl(QObject *parent = Q_NULLPTR)
  • 9 protected functions inherited from QObject

Macros

Additional Inherited Members

  • 1 property inherited from QObject
  • 1 public slot inherited from QObject
  • 11 static public members inherited from QObject

Detailed Description

The QAudioRoleControl class provides control over the audio role of a media object.

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 = Q_NULLPTR)

Construct a QAudioRoleControl with the given parent.

[virtual] QAudioRoleControl::~QAudioRoleControl()

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().

[signal] void QAudioRoleControl::audioRoleChanged(QAudio::Role role)

Signal emitted when the audio role has changed.

[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.

Macro Documentation

QAudioRoleControl_iid

org.qt-project.qt.audiorolecontrol/5.6

Defines the interface name of the QAudioRoleControl class.

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