MeeGo 1.2 Harmattan Developer Documentation Develop for the Nokia N9

QAudio Namespace

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

 #include <QAudio>

This namespace was introduced in Qt 4.6.

Types

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

Detailed Description

The QAudio namespace contains enums used by the audio classes.

Type Documentation

enum QAudio::Error

Constant Value Description
QAudio::NoError 0 No errors have occurred
QAudio::OpenError 1 An error opening the audio device
QAudio::IOError 2 An error occurred during read/write of audio device
QAudio::UnderrunError 3 Audio data is not being fed to the audio device at a fast enough rate
QAudio::FatalError 4 A non-recoverable error has occurred, the audio device is not usable at this time.

enum QAudio::Mode

Constant Value Description
QAudio::AudioOutput 1 audio output device
QAudio::AudioInput 0 audio input device

enum QAudio::State

Constant Value Description
QAudio::ActiveState 0 Audio data is being processed, this state is set after start() is called and while audio data is available to be processed.
QAudio::SuspendedState 1 The audio device is in a suspended state, this state will only be entered after suspend() is called.
QAudio::StoppedState 2 The audio device is closed, not processing any audio data
QAudio::IdleState 3 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.