QAudio Class Reference
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QtMultimedia

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QAudio 名称空间包含用于音频类的枚举。更多...

类型

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

详细描述

The QAudio namespace contains enums used by the audio 类。

类型文档编制

QAudio.Error

常量	值	描述
`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.

QAudio.Mode

常量	值	描述
`QAudio.AudioOutput`	`1`	音频输出设备
`QAudio.AudioInput`	`0`	音频输入设备

QAudio.State

常量	值	描述
`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`	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.