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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
// CustomMediaDevices inherits MediaDevices but has some extra helper properties such as
// storing all media devices that have been connected so far.
MediaDevices {
id: mediaDevices
// Holds all camera devices reported so far in the app session.
// DeviceID -> { connected: bool, device: cameraDevice }
readonly property var allCameraDevicesSoFarDict: privateAllCameraDevicesSoFarDict
property var privateAllCameraDevicesSoFarDict: ({})
// Takes a list<cameraDevice>
function privateUpdateAllCameraDevicesSoFar(currentDevices) {
// We need to do a deep copy and reassign the property in order to trigger
// changed signals.
let newDeviceDict = ({});
for (let key in allCameraDevicesSoFarDict) {
newDeviceDict[key] = allCameraDevicesSoFarDict[key];
}
for (let device of currentDevices) {
// If not here, insert the object
newDeviceDict[String(device.id)] = {
device: device,
connected: true,
};
}
// For any items in the Dict that are not in current devices, it means that device
// is not connected.
for (let deviceId in newDeviceDict) {
newDeviceDict[deviceId].connected = currentDevices.some((device) => String(device.id) === String(deviceId));
}
privateAllCameraDevicesSoFarDict = newDeviceDict;
}
onVideoInputsChanged: () => {
privateUpdateAllCameraDevicesSoFar(videoInputs)
}
function isCameraDeviceConnected(cameraDeviceId): bool {
return videoInputs.some(device => String(device.id) === String(cameraDeviceId))
}
// Holds all audio input devices reported so far in the app session.
// DeviceID -> { connected: bool, device: audioDevice }
readonly property var allAudioInputsSoFarDict: privateAllAudioInputsSoFarDict
property var privateAllAudioInputsSoFarDict: ({})
// Takes a list<audioDevice>
function privateUpdateAllAudioInputsSoFar(currentDevices) {
// We need to do a deep copy and reassign the property in order to trigger
// changed signals.
let newDeviceDict = ({});
for (let key in allAudioInputsSoFarDict) {
newDeviceDict[key] = allAudioInputsSoFarDict[key];
}
for (let device of currentDevices) {
// If not here, insert the object
newDeviceDict[String(device.id)] = {
device: device,
connected: true,
};
}
// For any items in the Dict that are not in current devices, it means that device
// is not connected.
for (let deviceId in newDeviceDict) {
newDeviceDict[deviceId].connected = currentDevices.some((device) => String(device.id) === String(deviceId));
}
privateAllAudioInputsSoFarDict = newDeviceDict;
}
onAudioInputsChanged: () => {
privateUpdateAllAudioInputsSoFar(audioInputs)
}
function isAudioInputConnected(audioDeviceId): bool {
return audioInputs.some(device => String(device.id) === String(audioDeviceId))
}
// Holds all audio output devices reported so far in the app session.
// DeviceID -> { connected: bool, device: audioDevice }
readonly property var allAudioOutputsSoFarDict: privateAllAudioOutputsSoFarDict
property var privateAllAudioOutputsSoFarDict: ({})
// Takes a list<audioDevice>
function privateUpdateAllAudioOutputsSoFar(currentDevices) {
// We need to do a deep copy and reassign the property in order to trigger
// changed signals.
let newDeviceDict = ({});
for (let key in allAudioOutputsSoFarDict) {
newDeviceDict[key] = allAudioOutputsSoFarDict[key];
}
for (let device of currentDevices) {
// If not here, insert the object
newDeviceDict[String(device.id)] = {
device: device,
connected: true,
};
}
// For any items in the Dict that are not in current devices, it means that device
// is not connected.
for (let deviceId in newDeviceDict) {
newDeviceDict[deviceId].connected = currentDevices.some((device) => String(device.id) === String(deviceId));
}
privateAllAudioOutputsSoFarDict = newDeviceDict;
}
onAudioOutputsChanged: () => {
privateUpdateAllAudioOutputsSoFar(audioOutputs)
}
function isAudioOutputConnected(audioDeviceId): bool {
return audioOutputs.some(device => String(device.id) === String(audioDeviceId))
}
Component.onCompleted: () => {
privateUpdateAllCameraDevicesSoFar(videoInputs);
privateUpdateAllAudioInputsSoFar(audioInputs);
privateUpdateAllAudioOutputsSoFar(audioOutputs);
}
}