Qt 4.6: QAudioDeviceId Class Reference

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# QAudioDeviceId Class Reference
[QtMultimedia module]

The QAudioDeviceId class provides means for identifying a unique input or output device on a system. More...

     #include <QAudioDeviceId>

This class was introduced in Qt 4.6.

- List of all members, including inherited members

## Public Functions

| QAudioDeviceId ()
| QAudioDeviceId ( const QAudioDeviceId & other )
| ~QAudioDeviceId ()
bool | isNull () const
bool | operator!= ( const QAudioDeviceId & other ) const
QAudioDeviceId & | operator= ( const QAudioDeviceId & other )
bool | operator== ( const QAudioDeviceId & other ) const

## Detailed Description

The QAudioDeviceId class provides means for identifying a unique input or output device on a system.

See also QAudioDeviceInfo, QAudioOutput, and QAudioInput.

## Member Function Documentation

### QAudioDeviceId::QAudioDeviceId ()

Construct a new null QAudioDeviceId.

### QAudioDeviceId::QAudioDeviceId ( const QAudioDeviceId & other )

Copy the QAudDeviceId referenced by other.

### QAudioDeviceId::~QAudioDeviceId ()

Destroy the QAudioDeviceId.

### bool QAudioDeviceId::isNull () const

Returns true if this is not a valid QAudioDeviceId; otherwise false.

### bool QAudioDeviceId::operator!= ( const QAudioDeviceId & other ) const

Compare with the other QAudioDeviceId, return false if they are the same; otherwise true.

### QAudioDeviceId & QAudioDeviceId::operator= ( const QAudioDeviceId & other )

Make a copy of the other QAudioDeviceId.

### bool QAudioDeviceId::operator== ( const QAudioDeviceId & other ) const

Compare with the other QAudioDeviceId, return true if they are the same; otherwise false.