WebRTC media source switcher

Forcefully chose a specific webrtc input/output audio/video device

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         WebRTC media source switcher
// @namespace    https://daniil.it
// @version      0.1.4
// @description  Forcefully chose a specific webrtc input/output audio/video device
// @author       Daniil Gentili <[email protected]>
// @match        https://*/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    var hidden = {
        enumerateDevices: navigator.mediaDevices.enumerateDevices.bind(navigator.mediaDevices),
        getUserMedia: navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices),
    }
    navigator.mediaDevices.getUserMedia = constraints => navigator.mediaDevices.enumerateDevices().then(devices => {
        for (let x = 0; x < devices.length; x++) {
            if (devices[x].kind == "videoinput" && constraints.video) {
                if (constraints.video === true) constraints.video = {}
                constraints.video.deviceId = {exact: devices[x].deviceId}
            } else if (devices[x].kind == "audioinput" && constraints.audio) {
                if (constraints.audio === true) constraints.audio = {}
                constraints.audio.deviceId = {exact: devices[x].deviceId}
            }
        }
        return hidden.getUserMedia(constraints)
    })
    navigator.mediaDevices.enumerateDevices = () => hidden.enumerateDevices().then(res => {
        if (window.newRes) {
            return window.newRes;
        } else {
            window.newRes = [];
        }

        var temp = {};
        var tempLabels = {};
        for (var i = 0; i < res.length; i++) {
            if (!temp[res[i].kind]) {
                temp[res[i].kind] = [];
                tempLabels[res[i].kind] = "Choose a "+res[i].kind+" device:\n";
            }
            temp[res[i].kind].push(res[i])
            tempLabels[res[i].kind] += temp[res[i].kind].length+": "+res[i].label+"\n"
        }
        for (let [key, value] of Object.entries(tempLabels)) {
            var choice = prompt(value);
            window.newRes.push(temp[key][choice-1]);
        }

        return window.newRes;
    })
})();