CaptureSession QML 类型

允许捕获音频/视频内容。 更多...

import 语句：	import QtMultimedia
实例化：	QMediaCaptureSession

• 所有成员列表，包括继承成员

特性

• audioInput : AudioInput
• audioOutput : AudioOutput
• camera : Camera
• imageCapture : ImageCapture
• recorder : MediaRecorder
• screenCapture : ScreenCapture (从 6.5 起)
• videoOutput : VideoOutput
• windowCapture : WindowCapture (从 6.6 起)

信号

• audioInputChanged ()
• audioOutputChanged ()
• cameraChanged ()
• imageCaptureChanged ()
• recorderChanged ()
• videoOutputChanged ()

详细描述

This is the central type that manages capturing of media on the local device.

Connect a camera and a microphone to a CaptureSession by assigning Camera and AudioInput objects to the relevant properties.

捕获屏幕通过连接 ScreenCapture 对象到 screenCapture 特性。

捕获窗口通过连接 WindowCapture 对象到 windowCapture 特性。

Enable a preview of the captured media by assigning a VideoOutput element to the videoOutput 特性。

Route audio to an output device by assigning an AudioOutput 对象到 audioOutput 特性。

Capture still images from a camera by assigning an ImageCapture 到 imageCapture 特性。

录制音频/视频通过赋值 MediaRecorder 到录制器特性。

CaptureSession {
    id: captureSession
    camera: Camera {
        id: camera
    }
    imageCapture: ImageCapture {
        id: imageCapture
    }
    recorder: MediaRecorder {
        id: recorder
    }
    videoOutput: preview
}
					

另请参阅 Camera , MediaDevices , MediaRecorder , ImageCapture , ScreenCapture , WindowCapture , AudioInput ，和 VideoOutput .

特性文档编制

audioInput : AudioInput

This property holds the audio input that is being used to capture audio.

audioOutput : AudioOutput

The audio output device for the capture session.

添加 AudioOutput device to the capture session to enable audio routing from an AudioInput 设备。

camera : Camera

用于捕获视频的摄像头。

Record video or take images by adding a camera to the capture session using this property.

imageCapture : ImageCapture

The object used to capture still images.

添加 ImageCapture interface to the capture session to enable capturing of still images from the camera.

recorder : MediaRecorder

The recorder object used to capture audio/video.

Add a MediaRcorder object to the capture session to enable recording of audio and/or video from the capture session.

screenCapture : ScreenCapture [since 6.5]

用于捕获屏幕的对象。

Record a screen by adding a screen capture objet to the capture session using this property.

该特性在 Qt 6.5 引入。

videoOutput : VideoOutput

The VideoOutput that is the video preview for the capture session.

A VideoOutput based preview is expected to have an invokable videoSink() method that returns a QVideoSink .

先前设置的预览被分离。

windowCapture : WindowCapture [since 6.6]

The object used to capture a window.

Record a window by adding a window capture object to the capture session using this property.

该特性在 Qt 6.6 引入。

信号文档编制

audioInputChanged ()

This signal is emitted when an audio input has changed.

注意： 相应处理程序是 onAudioInputChanged .

另请参阅 CaptureSession::audioInput .

audioOutputChanged ()

This signal is emitted when the selected audio output has changed.

注意： 相应处理程序是 onAudioOutputChanged .

另请参阅 CaptureSession::audioOutput .

cameraChanged ()

This signal is emitted when the selected camera has changed.

注意： 相应处理程序是 onCameraChanged .

另请参阅 CaptureSession::camera .

imageCaptureChanged ()

This signal is emitted when the selected interface has changed.

注意： 相应处理程序是 onImageCaptureChanged .

另请参阅 CaptureSession::camera .

recorderChanged ()

This signal is emitted when the selected recorder has changed.

注意： 相应处理程序是 onRecorderChanged .

另请参阅 CaptureSession::recorder .

videoOutputChanged ()

This signal is emitted when the selected video output has changed.

注意： 相应处理程序是 onVideoOutputChanged .

另请参阅 CaptureSession::videoOutput .

内容

• 特性

• 信号

• 详细描述