Accessing the camera

To access the camera when it is supported by the hardware and Qt Multimedia, use the Camera type and its associated types to control the camera's capture behavior, exposure, flash, focus, and image processing settings. A simple use of the camera to show a viewfinder is done with the following code:

import QtQuick 2.12
import QtQuick.Window 2.12
import QtMultimedia 5.12

Window {
    visible: true
    width: 640
    height: 480
    title: qsTr("Webcam")

    Item {
        width: 640
        height: 480

        Camera {
            id: camera
        }

        VideoOutput {
            source: camera
            anchors.fill: parent
        }
    }
}

The preceding code produces the following result:

In short, the Camera type acts like a source for the video just as a MediaPlayer instance does.

The Camera type provides a few properties to control its behavior. They...