QAbstractAudioInput ¶

详细描述 ¶

QAudioDeviceInput keeps an instance of QAbstractAudioInput and routes calls to functions of the same name to QAbstractAudioInput . This means that it is QAbstractAudioInput that implements the audio functionality. For a description of the functionality, see the QAudioInput class description.

另请参阅

QAudioInput

class QAbstractAudioInput ¶

PySide2.QtMultimedia.QAbstractAudioInput. bufferSize ( ) ¶

返回类型

int

Returns the audio buffer size in milliseconds.

另请参阅

setBufferSize()

PySide2.QtMultimedia.QAbstractAudioInput. bytesReady ( ) ¶

返回类型

int

Returns the amount of audio data available to read in bytes.

PySide2.QtMultimedia.QAbstractAudioInput. elapsedUSecs ( ) ¶

返回类型

qint64

Returns the milliseconds since start() was called, including time in Idle and suspend states.

PySide2.QtMultimedia.QAbstractAudioInput. error ( ) ¶

返回类型

Error

Returns the error state.

PySide2.QtMultimedia.QAbstractAudioInput. errorChanged ( error ) ¶

参数

error – Error

PySide2.QtMultimedia.QAbstractAudioInput. format ( ) ¶

返回类型

QAudioFormat

返回 QAudioFormat being used

另请参阅

setFormat()

PySide2.QtMultimedia.QAbstractAudioInput. notify ( ) ¶

PySide2.QtMultimedia.QAbstractAudioInput. notifyInterval ( ) ¶

返回类型

int

Returns the notify interval in milliseconds.

另请参阅

setNotifyInterval()

PySide2.QtMultimedia.QAbstractAudioInput. periodSize ( ) ¶

返回类型

int

Returns the period size in bytes.

PySide2.QtMultimedia.QAbstractAudioInput. processedUSecs ( ) ¶

返回类型

qint64

Returns the amount of audio data processed since start() was called in milliseconds.

PySide2.QtMultimedia.QAbstractAudioInput. reset ( ) ¶

Drops all audio data in the buffers, resets buffers to zero.

PySide2.QtMultimedia.QAbstractAudioInput. resume ( ) ¶

Resumes processing audio data after a suspend() .

PySide2.QtMultimedia.QAbstractAudioInput. setBufferSize ( value ) ¶

参数

value – int

Sets the audio buffer size to value in milliseconds.

另请参阅

bufferSize()

PySide2.QtMultimedia.QAbstractAudioInput. setFormat ( fmt ) ¶

参数

fmt – QAudioFormat

设置 QAudioFormat to use to fmt . Setting the format is only allowable while in StoppedState .

另请参阅

format()

PySide2.QtMultimedia.QAbstractAudioInput. setNotifyInterval ( milliSeconds ) ¶

参数

milliSeconds – int

Sets the interval for notify() signal to be emitted. This is based on the ms of audio data processed not on actual real-time. The resolution of the timer is platform specific.

另请参阅

notifyInterval()

PySide2.QtMultimedia.QAbstractAudioInput. setVolume ( arg__1 ) ¶

参数

arg__1 – qreal

PySide2.QtMultimedia.QAbstractAudioInput. start ( device ) ¶

参数

device – QIODevice

Uses the device 作为 QIODevice to transfer data.

PySide2.QtMultimedia.QAbstractAudioInput. start ( ) ¶

返回类型

QIODevice

返回指针指向 QIODevice being used to handle the data transfer. This QIODevice can be used to read() audio data directly.

PySide2.QtMultimedia.QAbstractAudioInput. state ( ) ¶

返回类型

State

Returns the state of audio processing.

PySide2.QtMultimedia.QAbstractAudioInput. stateChanged ( state ) ¶

参数

state – State

PySide2.QtMultimedia.QAbstractAudioInput. stop ( ) ¶

Stops the audio input.

PySide2.QtMultimedia.QAbstractAudioInput. suspend ( ) ¶

Stops processing audio data, preserving buffered audio data.

PySide2.QtMultimedia.QAbstractAudioInput. volume ( ) ¶

返回类型

qreal