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// Copyright (C) 2025 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
import QtQuick
import QtMultimedia
VideoOutput {
required property var camera
fillMode: VideoOutput.PreserveAspectFit
MediaDevices {
id: mediaDevices
}
MouseArea {
anchors.fill: parent
// Threshold for determining a swipe
property int swipeThreshold: 50
// Variables to track the start position of the swipe
property int startY: 0
// Triggered when the swipe starts
onPressed: mouse => {
startY = mouse.y
}
function switchDevice(up) {
if (mediaDevices.videoInputs.length <= 1)
return
let index = mediaDevices.videoInputs.findIndex(
item => item === myCamera.cameraDevice)
if (index === null) {
console.log("Error. Current camera device doesn't exist. Can't choose next device.")
return
}
let newIndex = (up === true ? index + 1 : index - 1 + mediaDevices.videoInputs.length)
% mediaDevices.videoInputs.length
parent.camera.cameraDevice = mediaDevices.videoInputs[newIndex]
}
// Triggered when the swipe ends
onReleased: mouse => {
if (mediaDevices.videoInputs.length <= 1)
return
let deltaY = mouse.y - startY
// Check if the swipe distance is greater than the threshold
if (Math.abs(deltaY) > swipeThreshold) {
switchDevice(deltaY < 0)
}
}
}
}