QVideoDeviceSelectorControl Class

The QVideoDeviceSelectorControl class provides an video device selector media control. More...

Header:	#include <QVideoDeviceSelectorControl>
qmake:	QT += multimedia
Inherits:	QMediaControl

This class is obsolete. It is provided to keep old source code working. We strongly advise against using it in new code.

• List of all members, including inherited members

Public Functions

virtual	~QVideoDeviceSelectorControl()
virtual int	defaultDevice() const = 0
virtual int	deviceCount() const = 0
virtual QString	deviceDescription(int index) const = 0
virtual QString	deviceName(int index) const = 0
virtual int	selectedDevice() const = 0

Public Slots

virtual void

setSelectedDevice(int index) = 0

Signals

void	devicesChanged()
void	selectedDeviceChanged(const QString &name)
void	selectedDeviceChanged(int index)

Protected Functions

QVideoDeviceSelectorControl(QObject *parent = nullptr)

Macros

	QCameraInfoControl_iid
	QVideoDeviceSelectorControl_iid

Detailed Description

The QVideoDeviceSelectorControl class provides descriptions of the video devices available on a system and allows one to be selected as the endpoint of a media service.

The interface name of QVideoDeviceSelectorControl is org.qt-project.qt.videodeviceselectorcontrol/5.0 as defined in QVideoDeviceSelectorControl_iid.

Member Function Documentation

[protected] QVideoDeviceSelectorControl::QVideoDeviceSelectorControl(QObject *parent = nullptr)

Constructs a video device selector control with the given parent.

[signal] void QVideoDeviceSelectorControl::devicesChanged()

Signals that the list of available video devices has changed.

[signal] void QVideoDeviceSelectorControl::selectedDeviceChanged(const QString &name)

Signals that the selected video device name has changed.

Note: Signal selectedDeviceChanged is overloaded in this class. To connect to this signal by using the function pointer syntax, Qt provides a convenient helper for obtaining the function pointer as shown in this example:

connect(videoDeviceSelectorControl, QOverload<const QString &>::of(&QVideoDeviceSelectorControl::selectedDeviceChanged),
    [=](const QString &name){ /* ... */ });

[signal] void QVideoDeviceSelectorControl::selectedDeviceChanged(int index)

Signals that the selected video device index has changed.

Note: Signal selectedDeviceChanged is overloaded in this class. To connect to this signal by using the function pointer syntax, Qt provides a convenient helper for obtaining the function pointer as shown in this example:

connect(videoDeviceSelectorControl, QOverload<int>::of(&QVideoDeviceSelectorControl::selectedDeviceChanged),
    [=](int index){ /* ... */ });

[pure virtual slot] void QVideoDeviceSelectorControl::setSelectedDevice(int index)

Sets the selected video device index.

See also selectedDevice().

[virtual] QVideoDeviceSelectorControl::~QVideoDeviceSelectorControl()

Destroys a video device selector control.

[pure virtual] int QVideoDeviceSelectorControl::defaultDevice() const

Returns the index of the default video device.

[pure virtual] int QVideoDeviceSelectorControl::deviceCount() const

Returns the number of available video devices;

[pure virtual] QString QVideoDeviceSelectorControl::deviceDescription(int index) const

Returns a description of the video device at index.

[pure virtual] QString QVideoDeviceSelectorControl::deviceName(int index) const

Returns the name of the video device at index.

[pure virtual] int QVideoDeviceSelectorControl::selectedDevice() const

Returns the index of the selected video device.

See also setSelectedDevice().