QAudioInput 类

表示音频的输入通道。更多...

头：	#include <QAudioInput>
CMake:	find_package(Qt6 REQUIRED COMPONENTS Multimedia) target_link_libraries(mytarget PRIVATE Qt6::Multimedia)
qmake:	QT += multimedia
实例化：	AudioInput
继承：	QObject

所有成员列表，包括继承成员

特性

device : QAudioDevice
muted : bool
volume : float

公共函数

QAudioDevice	device () const
bool	isMuted () const
float	volume () const

公共槽

void	setDevice (const QAudioDevice & device )
void	setMuted (bool muted )
void	setVolume (float volume )

信号

void	deviceChanged ()
void	mutedChanged (bool muted )
void	volumeChanged (float volume )

详细描述

This class represents an input channel that can be used together with QMediaCaptureSession . It enables the selection of the physical input device to be used, muting the channel, and changing the channel's volume.

特性文档编制

device : QAudioDevice

This property holds the audio device connected to this input.

The device property represents the audio device connected to this input. This property can be used to select an input device from the QMediaDevices::audioInputs () list.

You can select the system default audio input by setting this property to a default constructed QAudioDevice 对象。

访问函数：

QAudioDevice	device () const
void	setDevice (const QAudioDevice & device )

通知程序信号：

void	deviceChanged ()

muted : bool

This property holds the muted state of the current media.

The value will be true if the input is muted; otherwise false .

访问函数：

bool	isMuted () const
void	setMuted (bool muted )

通知程序信号：

void	mutedChanged (bool muted )

volume : float

The property returns the volume of the audio input.

访问函数：

float	volume () const
void	setVolume (float volume )

通知程序信号：

void	volumeChanged (float volume )