QAudio Namespace Reference

The QAudio namespace contains enums used by the audio classes. More...

Classes
class	RegisterMetaTypes

Enumerations
enum	Error {   NoError, OpenError, IOError, UnderrunError,   FatalError }
enum	Mode { AudioInput, AudioOutput }
enum	State { ActiveState, SuspendedState, StoppedState, IdleState }

Variables
class QAudio::RegisterMetaTypes	_register

Detailed Description

The QAudio namespace contains enums used by the audio classes.

Attention

Module: QtMultimedia

Since

4.6

Enumeration Type Documentation

Error

enum QAudio::Error

• NoError No errors have occurred
• OpenError An error opening the audio device
• IOError An error occurred during read/write of audio device
• UnderrunError Audio data is not being fed to the audio device at a fast enough rate
• FatalError A non-recoverable error has occurred, the audio device is not usable at this time.

Enumerator
NoError
OpenError
IOError
UnderrunError
FatalError

Definition at line 58 of file qaudio.h.

{ NoError, OpenError, IOError, UnderrunError, FatalError };

Mode

enum QAudio::Mode

• AudioOutput audio output device
• AudioInput audio input device

Enumerator
AudioInput
AudioOutput

Definition at line 60 of file qaudio.h.

{ AudioInput, AudioOutput };

State

enum QAudio::State

• ActiveState Audio data is being processed, this state is set after start() is called and while audio data is available to be processed.
• SuspendedState The audio device is in a suspended state, this state will only be entered after suspend() is called.
• StoppedState The audio device is closed, not processing any audio data
• IdleState The QIODevice passed in has no data and audio system's buffer is empty, this state is set after start() is called and while no audio data is available to be processed.

Enumerator
ActiveState
SuspendedState
StoppedState
IdleState

Definition at line 59 of file qaudio.h.

{ ActiveState, SuspendedState, StoppedState, IdleState };

Variable Documentation

_register

class QAudio::RegisterMetaTypes QAudio::_register

Referenced by QAudio::RegisterMetaTypes::RegisterMetaTypes().