AudioInput QML Type

An audio input to be used for capturing audio in a capture session. 更多...

import 語句：	import QtMultimedia
實例化：	QAudioInput

所有成員列錶，包括繼承成員

特性

device : AudioDevice
muted : bool
volume : real

詳細描述

CaptureSession {
    id: playMusic
    audioInput: AudioInput {
        volume: slider.value
    }
    recorder: MediaRecorder { ... }
}
Slider {
    id: slider
    from: 0.
    to: 1.
}

You can use AudioInput together with a QtMultiMedia::CaptureSession to capture audio from an audio input device.

另請參閱 Camera and AudioOutput .

特性文檔編製

device : AudioDevice

This property describes the audio device connected to this input.

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

muted : bool

This property holds whether the audio input is muted.

默認為 false .

volume : real

The volume is scaled linearly, ranging from 0 (無聲) 到 1 (full volume).

注意： values outside this range will be clamped.

默認情況下，音量為 1 .

UI volume controls should usually be scaled non-linearly. For example, using a logarithmic scale will produce linear changes in perceived loudness, which is what a user would normally expect from a volume control.

另請參閱 QAudio::convertVolume ().