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main.js
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/*
* Copyright (c) 2020 Steve Seguin. All Rights Reserved.
*
* Use of this source code is governed by the APGLv3 open-source license
* that can be found in the LICENSE file in the root of the source
* tree. Alternative licencing options can be made available on request.
*
*/
var VIS = vis;
var formSubmitting = true;
var activatedPreview = false;
var setFormSubmitting = function() { formSubmitting = true; };
window.onload = function() { // This just keeps people from killing the live stream accidentally. Also give me a headsup that the stream is ending
window.addEventListener("beforeunload", function (e) {
if (formSubmitting) {
return undefined;
}
var confirmationMessage = 'Leaving the page now will terminate your stream ';
(e || window.event).returnValue = confirmationMessage; //Gecko + IE
return confirmationMessage; //Gecko + Webkit, Safari, Chrome etc.
});
};
var lastTouchEnd = 0;
document.addEventListener('touchend', function (event) {
var now = (new Date()).getTime();
if (now - lastTouchEnd <= 300) {
event.preventDefault();
}
lastTouchEnd = now;
}, false);
var interacted=false;
document.addEventListener('click', function (event) {
if (interacted==false){
interacted=true;
history.pushState({}, '');
}
});
window.onpopstate = function() {
if (interacted){
window.location.reload(true);
}
};
var session = WebRTC.Media;
session.streamID = session.generateStreamID();
(function (w) {
w.URLSearchParams = w.URLSearchParams || function (searchString) {
var self = this;
self.searchString = searchString;
self.get = function (name) {
var results = new RegExp('[\?&]' + name + '=([^&#]*)').exec(self.searchString);
if (results == null) {
return null;
}
else {
return decodeURI(results[1]) || 0;
}
};
};
})(window);
var urlParams = new URLSearchParams(window.location.search);
var isMobile = false;
if( /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent) ) {
isMobile=true;
}
if ((urlParams.has('permaid')) || (urlParams.has('push'))){
var permaid = urlParams.get('permaid') || urlParams.get('push');
session.changeStreamID(permaid);
document.getElementById("container-1").className = 'column columnfade advanced';
document.getElementById("container-4").className = 'column columnfade advanced';
}
if (urlParams.has('stereo')){
log("STEREO ENABLED");
session.stereo = true;
}
if (urlParams.has('nocursor')){
session.nocursor = true;
log("DISABLE CURSOR");
var style = document.createElement('style');
style.innerHTML = `
video{
margin: 0;
padding: 0;
overflow: hidden;
cursor: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=), none;
user-select: none;
}
`;
document.head.appendChild(style);
}
if (urlParams.has('codec')){
log("CODEC CHANGED");
session.codec = urlParams.get('codec');
}
if (urlParams.has('ln')){ // checking if manual lanuage override enabled
try {
fetch("./translations/"+urlParams.get('ln')+'.json').then(function(response){
if (response.status !== 200) {
console.log('Looks like there was a problem. Status Code: ' +
response.status);
return;
}
response.json().then(function(data) {
log(data);
document.querySelectorAll('[data-translate]').forEach(function(ele){
//log(ele.dataset.translate);
//log(translations[ele.dataset.translate]);
ele.innerHTML = data[ele.dataset.translate];
});
});
}).catch(function(err){
errorlog(err);
});
} catch (error){
errorlog(error);
}
} else { // check if automatic language translation is available
if (window.navigator.language.slice(0, 2) !== 'en'){
fetch("./translations/"+window.navigator.language.slice(0, 2)+'.json').then(function(response){
if (response.status !== 200) {
logerror('Language translation file not found.' + response.status);
return;
}
response.json().then(function(data) {
log(data);
document.querySelectorAll('[data-translate]').forEach(function(ele){
//log(ele.dataset.translate);
//log(translations[ele.dataset.translate]);
ele.innerHTML = data[ele.dataset.translate];
});
});
}).catch(function(err){
errorlog(err);
});
}
}
if (urlParams.has('bitrate')){
session.bitrate = parseInt(urlParams.get('bitrate'));
log("BITRATE ENABLED");
log(session.bitrate);
}
if (urlParams.has('height')){
session.height = parseInt(urlParams.get('height'));
}
if (urlParams.has('width')){
session.width = parseInt(urlParams.get('width'));
}
if (urlParams.has('sink')){
session.sink = urlParams.get('sink');
}
if (urlParams.has('secure')){
session.security = true;
setTimeout(function() {alert("Enhanced Security Mode Enabled.");}, 100);
}
if (urlParams.has('framerate')){
session.framerate = parseInt(urlParams.get('framerate'));
log("framerate Changed");
log(session.framerate);
}
if (urlParams.has('sync')){
session.sync = parseFloat(urlParams.get('sync'));
log("sync Changed");
log(session.sync);
}
if (urlParams.has('buffer')){
session.buffer = parseFloat(urlParams.get('buffer'));
log("buffer Changed");
log(session.buffer);
}
//var sync = session.sync | 0;
//var buffer = session.buffer | 0;
if (urlParams.has('turn')){
try {
var turnstring = urlParams.get('turn').split(";");
if (turnstring !== "false"){ // false disables the TURN server. Useful for debuggin
var turn = {};
turn.username = turnstring[0]; // myusername
turn.credential = turnstring[1]; //mypassword
turn.urls = [turnstring[2]]; // ["turn:turn.obs.ninja:443"];
session.configuration.iceServers.push(turn);
}
} catch (e){
alert("TURN server parameters were wrong.");
errorlog(e);
}
} else { // THIS IS ME being extra Generous.
var turn = {};
turn.username = "steve";
turn.credential = "justtesting";
turn.urls = ["turn:turn.obs.ninja:443"]; // main TURN server. Do not abuse. I pay out of pocket.
session.configuration.iceServers.push(turn);
var turn = {};
turn.username = "steve";
turn.credential = "justtesting";
turn.urls = ["turn:turn2.obs.ninja:443"]; // main TURN server. Do not abuse. I pay out of pocket.
session.configuration.iceServers.push(turn);
}
function updateURL(param) {
var para = param.split('=')[0];
if (!(urlParams.has(para))){
if (history.pushState){
var arr = window.location.href.split('?');
if (arr.length > 1 && arr[1] !== '') {
var newurl = window.location.href + '&' +param;
} else {
var newurl = window.location.href + '?' +param;
}
window.history.pushState({path:newurl},'',newurl);
}
}
}
function jumptoroom(){
var arr = window.location.href.split('?');
if (arr.length > 1 && arr[1] !== '') {
window.location+="&room="+document.getElementById("joinroomID").value;
} else {
window.location+="?room="+document.getElementById("joinroomID").value;
}
}
function sleep(ms = 0){
return new Promise(r => setTimeout(r, ms)); // LOLz!
}
session.connect();
// session.volume = 100; // needs to be set after?
var url = window.location.pathname;
var filename = url.substring(url.lastIndexOf('/')+1);
if (filename.split(".").length==1){
if (filename.length<2){
filename=false;
}
} else {
filename = false;
}
if ( (urlParams.has('roomid')) || (filename) || (urlParams.has('room')) ){
if (filename){
var roomid = filename;
} else if (urlParams.has('room')){
var roomid = urlParams.get('room');
} else {
var roomid = urlParams.get('roomid');
}
roomid = encodeURIComponent(roomid);
session.roomid = roomid;
document.getElementById("info").innerHTML = "";
document.getElementById("info").style.color="#CCC";
document.getElementById("videoname1").value = roomid;
document.getElementById("dirroomid").innerHTML = roomid;
document.getElementById("roomid").innerHTML = roomid;
document.getElementById("container-1").className = 'column columnfade advanced';
document.getElementById("container-4").className = 'column columnfade advanced';
document.getElementById("mainmenu").style.alignSelf= "center";
document.getElementById("header").style.alignSelf= "center";
if (isMobile){
document.getElementById("container-2").className = 'column columnfade advanced'; // Hide screen share on mobile
document.getElementById("head1").innerHTML = '';
} else {
document.getElementById("head1").innerHTML = '<br /><font style="color:#CCC">Please select an option to join.</font>';
}
document.getElementById("add_camera").innerHTML = "Join Room with Camera";
document.getElementById("add_screen").innerHTML = "Screenshare with Room";
document.getElementById("head3").className = 'advanced';
if (urlParams.has('scene')){
session.scene = urlParams.get('scene');
document.getElementById("container-4").className = 'column columnfade';
document.getElementById("container-3").className = 'column columnfade';
document.getElementById("container-2").className = 'column columnfade';
document.getElementById("container-1").className = 'column columnfade';
document.getElementById("header").className = 'advanced';
document.getElementById("info").className = 'advanced';
document.getElementById("header").className = 'advanced';
document.getElementById("head1").className = 'advanced';
document.getElementById("head2").className = 'advanced';
document.getElementById("head3").className = 'advanced';
document.getElementById("mainmenu").style.display = "none";
window.addEventListener("resize", updateMixer);
joinRoom(roomid); // this is a scene, so we want high resolutions
}
}
function checkConnection(){
if (document.getElementById("qos")){
if (session.ws.readyState === WebSocket.OPEN) {
document.getElementById("qos").style.color = "white";
} else {
document.getElementById("qos").style.color = "red";
}
}
}
setInterval(function(){checkConnection();},5000);
function updateStats(){
log('resolution found');
//log(document.getElementById('previewWebcam').videoWidth|0);
//log(document.getElementById('previewWebcam').videoHeight|0);
document.getElementById('previewWebcam').srcObject.getVideoTracks().forEach(
function(track) {
log(track.getSettings());
log(track.getSettings().frameRate);
//log(track.getSettings().frameRate);
document.getElementById("webcamstats").innerHTML = "Current Video Settings: "+(track.getSettings().width||0) +"x"+(track.getSettings().height||0)+"@"+(parseInt(track.getSettings().frameRate*10)/10)+"fps";
}
);
}
function toggleMute(){ // TODO: I need to have this be MUTE, toggle, with volume not touched.
if (session.muted==false){
session.muted = true;
document.getElementById("mutetoggle").className="fa fa-microphone-slash my-float";
document.getElementById("mutebutton").className="float";
session.streamSrc.getAudioTracks().forEach((track) => {
track.enabled = false;
});
} else{
session.muted=false;
document.getElementById("mutetoggle").className="fa fa-microphone my-float";
document.getElementById("mutebutton").className="float3";
session.streamSrc.getAudioTracks().forEach((track) => {
track.enabled = true;
});
}
}
////////////////////////////
function directEnable(ele){ // A directing room only is controlled by the Director, with the exception of MUTE.
log("enable");
if (ele.parentNode.parentNode.dataset.enable==1){
ele.parentNode.parentNode.dataset.enable = 0;
ele.className = "";
ele.innerHTML = "Add to Group Scene";
ele.parentNode.parentNode.style.backgroundColor = "#E3E4FF";
} else {
ele.parentNode.parentNode.style.backgroundColor = "#AFA";
ele.parentNode.parentNode.dataset.enable = 1;
ele.className = "pressed";
ele.innerHTML = "Remove from Group Scene";
}
var msg = {};
msg.request = "sendroom";
msg.roomid = session.roomid;
msg.director = "1"; // scene
msg.action = "display";
msg.value = ele.parentNode.parentNode.dataset.enable;
msg.target = ele.parentNode.parentNode.dataset.UUID;
session.sendMsg(msg); // send to everyone in the room, so they know if they are on air or not.
}
function directMute(ele){ // A directing room only is controlled by the Director, with the exception of MUTE.
log("mute");
if (ele.parentNode.parentNode.dataset.mute==0){
ele.parentNode.parentNode.dataset.mute = 1;
ele.className = "";
ele.innerHTML = "Mute";
} else {
ele.parentNode.parentNode.dataset.mute = 0;
ele.className = "pressed";
ele.innerHTML = "Unmute";
}
var msg = {};
msg.request = "sendroom";
msg.roomid = session.roomid;
msg.director = "1";
msg.action = "mute";
msg.value = ele.parentNode.parentNode.dataset.mute;
msg.target = ele.parentNode.parentNode.dataset.UUID;
session.sendMsg(msg); // send to everyone in the room, so they know if they are on air or not.
}
function directVolume(ele){ // A directing room only is controlled by the Director, with the exception of MUTE.
log("volume");
var msg = {};
msg.request = "sendroom";
msg.roomid = session.roomid;
msg.director = "1";
msg.action = "volume";
msg.target = ele.parentNode.parentNode.dataset.UUID; // i want to focus on the STREAM ID, not the UUID...
msg.value = ele.value;
session.sendMsg(msg); // send to everyone in the room, so they know if they are on air or not.
}
function chatRoom(chatmessage="hi"){ // A directing room only is controlled by the Director, with the exception of MUTE.
log("Chat message");
var msg = {};
msg.request = "sendroom";
msg.roomid = session.roomid;
msg.action = "chat";
msg.value = chatmessage;
session.sendMsg(msg); // send to everyone in the room, so they know if they are on air or not.
}
function changeTitle(aTitle="Untitled"){
log("changing title; if connected at least");
session.changeTitle(aTitle);
}
var activatedStream = false;
function publishScreen(){
if( activatedStream == true){return;}
activatedStream = true;
setTimeout(function(){activatedStream=false;},1000);
var title = "ScreenShare";//document.getElementById("videoname2").value;
formSubmitting = false;
var width = {ideal: 1280};
var height = {ideal: 720};
if (session.width){
width = {ideal: session.width};
}
if (session.height){
height = {ideal: session.height};
}
var constraints = window.constraints = {
audio: {echoCancellation: false, autoGainControl: false, noiseSuppression:false }, // I hope this doesn't break things..
video: {width: width, height: height, cursor: "never", mediaSource: "browser"}
};
if (session.framerate){
constraints.video.frameRate = {exact: session.framerate};
}
var audioSelect = document.querySelector('select#audioSourceScreenshare');
session.publishScreen(constraints, title, audioSelect);
log("streamID is: "+session.streamID);
document.getElementById("mutebutton").className="float3";
document.getElementById("helpbutton").className="float2";
document.getElementById("head1").className = 'advanced';
document.getElementById("head2").className = 'advanced';
}
function publishWebcam(){
if( activatedStream == true){return;}
activatedStream = true;
log("PRESSED PUBLISH WEBCAM!!");
var title = "Webcam"; // document.getElementById("videoname3").value;
var ele = document.getElementById("previewWebcam");
var stream = ele.srcObject;
ele.parentNode.removeChild(ele);
formSubmitting = false;
window.scrollTo(0, 0); // iOS has a nasty habit of overriding the CSS when changing camaera selections, so this addresses that.
if (session.roomid){
console.log("ROOM ID ENABLED");
window.addEventListener("resize", updateMixer);
joinRoom(session.roomid);
document.getElementById("head3").className = 'advanced';
} else {
document.getElementById("head3").className = '';
}
updateURL("push="+session.streamID);
session.publishStream(stream, title);
log("streamID is: "+session.streamID);
document.getElementById("head1").className = 'advanced';
document.getElementById("head2").className = 'advanced';
document.getElementById("mutebutton").className="float3";
document.getElementById("helpbutton").className="float2";
}
function joinRoom(roomname, maxbitrate=false){
roomname = roomname.replace(/[^0-9a-z]/gi, '');
if (roomname.length){
log("Join room",roomname);
log(roomname);
session.joinRoom(roomname,maxbitrate).then(function(response){ // callback from server; we've joined the room
log("Members in Room");
log(response);
for (var i in response){
if ("UUID" in response[i]){
if ("streamID" in response[i]){
if (response[i].UUID in session.pcs){
log("RTC already connected"); /// lets just say instead of Stream, we have
} else {
//var title = ""; // TODO: Assign labels
//if ("title" in response[i]){
// title = response[i]["title"];
//}
if ((urlParams.has('streamid')) || (urlParams.has('view'))){
play(response[i].streamID);
} else {
session.watchStream(response[i].streamID); // How do I make sure they aren't requesting the same movie twice as a race condition?
}
}
}
}
}
},function(error){return {};});
} else {
errorlog("Room name not long enough or contained all bad characaters");
}
}
function createRoom(){
var roomname = document.getElementById("videoname1").value;
log(roomname);
if (roomname.length==0){
alert("Please enter a room name before continuing");
return;
}
var gridlayout = document.getElementById("gridlayout");
gridlayout.classList.add("directorsgrid");
session.roomid = roomname;
formSubmitting = false;
var m = document.getElementById("mainmenu");
m.remove();
document.getElementById("head1").className = 'advanced';
document.getElementById("head2").className = 'advanced';
document.getElementById("head3").className = 'advanced';
document.getElementById("head4").className = '';
document.getElementById("dirroomid").innerHTML = roomname;
document.getElementById("roomid").innerHTML = roomname;
//document.getElementById("mutebutton").className="float3";
//document.getElementById("helpbutton").className="float2";
session.director = true;
document.getElementById("reshare").parentNode.removeChild(document.getElementById("reshare"));
gridlayout.innerHTML = "<br /><div style='display:inline-block'><font style='font-size:130%;color:white;'></font><input onclick='popupMessage(event);copyFunction(this)' onmousedown='copyFunction(this)' style='cursor:grab;font-weight:bold;background-color:#78F; width:400px; font-size:100%; padding:10px; border:2px solid black; margin:5px;' class='task' value='https://"+location.host+location.pathname+"?room="+session.roomid+"' /><font style='font-size:130%;color:white;'><i class='fa fa-video-camera' style='font-size:2em;' aria-hidden='true'></i> - Invites users to join the group and broadcast their feed to it. These users will see every feed, so a limit of 4 is recommended.</font></div>";
gridlayout.innerHTML += "<br /><font style='font-size:130%;color:white;'></font><input class='task' onclick='popupMessage(event);copyFunction(this)' onmousedown='copyFunction(this)' style='cursor:grab;font-weight:bold;background-color:#F45;width:400px;font-size:100%;padding:10px;border:2px solid black;margin:5px;' value='https://"+location.host+location.pathname+"?room="+session.roomid+"&view' /><font style='font-size:130%;color:white;'><i class='fa fa-video-camera' style='font-size:2em;' aria-hidden='true'></i> - Link to Invite users to broadcast their feeds to the group. These users will not see or hear any feed from the group.</font><br />";
gridlayout.innerHTML += "<font style='font-size:130%;color:white'></font><input class='task' onmousedown='copyFunction(this)' data-drag='1' onclick='popupMessage(event);copyFunction(this)' style='cursor:grab;font-weight:bold;background-color:#5F4;width:400px;font-size:100%;padding:10px;border:2px solid black;margin:5px;' value='https://"+location.host+location.pathname+"?scene=1&room="+session.roomid+"' /><font style='font-size:130%;color:white'><i class='fa fa-th-large' style='font-size:2em;' aria-hidden='true'></i> - This is an OBS Browser Source link that contains the group chat in just a single scene. Videos must be added to Group Scene.</font><br />";
gridlayout.innerHTML += '<button style="margin:10px;padding:5px" onclick="toggle(document.getElementById(\'roomnotes2\'),this);">Click Here for a quick overview and help</button>';
gridlayout.innerHTML += "<div id='roomnotes2' style='display:none;padding:0 0 0 10px;' ><br />\
<font style='color:#CCC;'>Welcome. This is the control-room for the group-chat. There are different things you can use this room for:<br /><br />\
<li>You can host a small-group chat here. Share the blue link to invite guests who will join the chat automatically.</li>\
<li>You can use it to invite and manage up to 20 remote camera streams. Use the red-colored add camera link to bring in such streams.</li>\
<li>You can add and remote control individual streams loaded into OBS. The required solo-links to add to OBS will appear under videos as they load.</li>\
<li>You can use the auto-mixing Group Scene, the green link, to let OBS.Ninja auto arrange multiple videos for you in OBS.</li>\
<li>You can use it to record video streams independently</li>\
<br />\
As guests join, their videos will appear below. You can bring their video streams into OBS as solo-scenes or you can add them to the Group Scene.\
<br />The Group Scene auto-mixes videos that have been added to the group scene. Please note that the Auto-Mixer requires guests be manually added to it for them to appear in it; they are not added automatically.<br /><Br />Apple mobile devices, such as iPhones and iPads, do not support Group Chat. This is a hardware constraint.<br /><br /></font></div><hr />";
gridlayout.innerHTML += "<div id='deleteme'><br /><br /><center>\
<div style='display:inline-block;width:300px;height:350px;border:2px solid white;background-color:#999;margin:40px;'><br /><br />GUEST SLOT #1<br /><br />(A video will appear here when a guest joins)<br /><br /><i class='fa fa-user ' style='font-size:8em;' aria-hidden='true'></i><br /><br />A Solo-Link for OBS will appear here.</div>\
<div style='display:inline-block;width:300px;height:350px;border:2px solid white;background-color:#999;margin:40px;'><br /><br />GUEST SLOT #2<br /><br />(A video will appear here when a guest joins)<br /><br /><i class='fa fa-user ' style='font-size:8em;' aria-hidden='true'></i><br /><br />A Solo Link for OBS will appear here</div>\
<div style='display:inline-block;width:300px;height:350px;border:2px solid white;background-color:#999;margin:40px;'><br /><br />GUEST SLOT #3<br /><br />(A video will appear here when a guest joins)<br /><br /><i class='fa fa-user ' style='font-size:8em;'aria-hidden='true'></i><br /><br />A Solo Link for OBS will appear here</div>\
<div style='display:inline-block;width:300px;height:350px;border:2px solid white;background-color:#999;margin:40px;'><br /><br />GUEST SLOT #4<br /><br />(A video will appear here when a guest joins)<br /><br /><i class='fa fa-user ' style='font-size:8em;'aria-hidden='true'></i><br /><br />A Solo Link for OBS will appear here</div></center></div>";
joinRoom(roomname); // setting this to limit bitrate may break things.
}
function toggle(ele, tog=false) {
var x = ele;
if (x.style.display === "none") {
x.style.display = "block";
} else {
x.style.display = "none";
}
if (tog){
tog.style.display = "none";
}
}
function enumerateDevices() {
log("enumerated start");
if (typeof navigator.enumerateDevices === "function") {
errorlog("enumerated failed 1");
return navigator.enumerateDevices();
}
else if (typeof navigator.mediaDevices === "object" &&
typeof navigator.mediaDevices.enumerateDevices === "function") {
errorlog("enumerated failed 2");
return navigator.mediaDevices.enumerateDevices();
} else {
return new Promise((resolve, reject) => {
try {
if (window.MediaStreamTrack == null || window.MediaStreamTrack.getSources == null) {
throw new Error();
}
window.MediaStreamTrack.getSources((devices) => {
resolve(devices
.filter(device => {
return device.kind.toLowerCase() === "video" || device.kind.toLowerCase() === "videoinput";
})
.map(device => {
return {
deviceId: device.deviceId != null ? device.deviceId : "",
groupId: device.groupId,
kind: "videoinput",
label: device.label,
toJSON: /* istanbul ignore next */ function () {
return this;
}
};
}));
});
}
catch (e) {
errorlog(e);
}
});
}
}
function requestAudioStream(){
try {
return navigator.mediaDevices.getUserMedia({audio:true, video:false }).then(function(stream1){ // Apple needs thi to happen before I can access EnumerateDevices.
log("get media sources; request audio stream");
return enumerateDevices().then(function(deviceInfos){
stream1.getTracks().forEach(function(track) { // We don't want to keep it without audio; so we are going to try to add audio now.
track.stop(); // I need to do this after the enumeration step, else it breaks firefox's labels
});
console.log("updating audio");
const audioInputSelect = document.querySelector('select#audioSourceScreenshare');
audioInputSelect.remove(1);
audioInputSelect.removeAttribute("onchange");
var temp = {};
for (let i = 0; i !== deviceInfos.length; ++i) {
if (deviceInfos[i].kind === 'audioinput') {
if (deviceInfos[i].groupId in temp){
deviceInfos[i] = null;
} else {
temp[deviceInfos[i].groupId]=true;
}
}
}
for (let i = 0; i !== deviceInfos.length; ++i) {
const deviceInfo = deviceInfos[i];
if (deviceInfo==null){continue;}
const option = document.createElement('option');
option.value = deviceInfo.deviceId;
if (deviceInfo.kind === 'audioinput') {
option.text = deviceInfo.label || `microphone ${audioInputSelect.length + 1}`;
audioInputSelect.appendChild(option);
} else {
log('Some other kind of source/device: ', deviceInfo);
}
}
});
});
} catch (e){
if (window.isSecureContext) {
alert("An error has occured when trying to access the webcam. The reason is not known.");
} else {
alert("Error acessing webcam.\n\nWebsite is loaded in an insecure context.\n\nPlease see: https://developer.mozilla.org/en-US/docs/Web/API/MediaDevices/getUserMedia");
}
}
}
function gotDevices(deviceInfos) { // https://github.com/webrtc/samples/blob/gh-pages/src/content/devices/input-output/js/main.js#L19
log("got devices!");
log(deviceInfos);
try{
const audioInputSelect = document.querySelector('#audioSource');
const videoSelect = document.querySelector('select#videoSource');
const selectors = [ videoSelect];
// Handles being called several times to update labels. Preserve values.
const values = selectors.map(select => select.value);
selectors.forEach(select => {
while (select.firstChild) {
select.removeChild(select.firstChild);
}
});
var temp = {};
for (let i = 0; i !== deviceInfos.length; ++i) {
if (deviceInfos[i].kind === 'audioinput') {
if (deviceInfos[i].groupId in temp){
deviceInfos[i] = null;
} else {
temp[deviceInfos[i].groupId]=true;
}
}
}
var counter = 1;
for (let i = 0; i !== deviceInfos.length; ++i) {
const deviceInfo = deviceInfos[i];
if (deviceInfo==null){continue;}
if (deviceInfo.kind === 'audioinput') {
const option = document.createElement('input');
option.type="checkbox";
counter++;
const listele = document.createElement('li');
if (counter==2){
option.checked=true;
listele.style.display="block";
option.style.display="none";
document.getElementById("multiselect1").checked = false;
document.getElementById("multiselect1").parentNode.style.display="none";
} else {
listele.style.display="none";
}
option.value = deviceInfo.deviceId;
option.name = "multiselect"+counter;
option.id = "multiselect"+counter;
const label = document.createElement('label');
label.for = option.name;
label.innerHTML = " " + (deviceInfo.label || `microphone ${audioInputSelect.length + 1}`);
listele.appendChild(option);
listele.appendChild(label);
audioInputSelect.appendChild(listele);
document.getElementById("multiselect1").onchange = function(event){ // make sure to clear 'no audio option' if anything else is selected
if (!(document.getElementById("multiselect1").checked)){
document.getElementById("multiselect1").checked= true;
}
};
option.onchange = function(event){ // make sure to clear 'no audio option' if anything else is selected
document.getElementById("multiselect1").checked= false;
};
} else if (deviceInfo.kind === 'videoinput') {
const option = document.createElement('option');
option.value = deviceInfo.deviceId;
option.text = deviceInfo.label || `camera ${videoSelect.length + 1}`;
videoSelect.appendChild(option);
} else {
log('Some other kind of source/device: ', deviceInfo);
}
}
//var option = document.createElement('option');
//option.text = "Disable Audio";
//option.value = "ZZZ";
//audioInputSelect.appendChild(option); // NO AUDIO OPTION
option = document.createElement('option');
option.text = "Disable Video";
option.value = "ZZZ";
videoSelect.appendChild(option); // NO AUDIO OPTION
selectors.forEach((select, selectorIndex) => {
if (Array.prototype.slice.call(select.childNodes).some(n => n.value === values[selectorIndex])) {
select.value = values[selectorIndex];
}
});
//audioInputSelect.selectedIndex = 0;
} catch (e){
errorlog(e);
}
}
function handleError(error) {
errorlog(error);
}
function getUserMediaVideoParams(resolutionFallbackLevel, isSafariBrowser) {
switch (resolutionFallbackLevel) {
case 0:
if (isSafariBrowser) {
return {
width: { min: 360, ideal: 1920, max: 1920 },
height: { min: 360, ideal: 1080, max: 1080 }
};
} else {
return {
width: { min: 720, ideal: 1920, max: 1920 },
height: { min: 720, ideal: 1080, max: 1920 }
};
}
case 1:
if (isSafariBrowser) {
return {
width: { min: 360, ideal: 1280, max: 1280 },
height: { min: 360, ideal: 720, max: 720 }
};
} else {
return {
width: { min: 720, ideal: 1280, max: 1280 },
height: { min: 720, ideal: 720, max: 1280 }
};
}
case 2:
if (isSafariBrowser) {
return {
width: { min: 360, ideal: 1280, max: 1440 },
};
}
else {
return {
width: { min: 360, ideal: 1280, max: 1440 },
};
}
case 3:
if (isSafariBrowser) {
return {
width: { min: 640 },
height: { min: 360 }
};
} else {
return {
width: { min: 240, ideal: 640, max: 1280 },
height: { min: 240, ideal: 360, max: 1280 }
};
}
case 4:
if (isSafariBrowser) {
return {
height: { min: 360, ideal: 720, max: 960 }
};
}
else {
return {
height: { min: 360, ideal: 960, max: 960 }
};
}
case 5:
if (isSafariBrowser) {
return {
width: { min: 360, ideal: 640, max: 1440 },
height: { min: 360, ideal: 360, max: 720 }
};
}
else {
return {
width: { min: 360, ideal: 640, max: 3840 },
height: { min: 360, ideal: 360, max: 2160 }
};
}
case 6:
if (isSafariBrowser) {
return {}; // iphone users probably don't need to wait any longer, so let them just get to it
}
else {
return {width: {min:360,max:1920},
height: {min:360, max:1920}}; // same as default, but I didn't want to mess with framerates until I gave it all a try first
}
case 7:
return { // If the camera is recording in low-light, it may have a low framerate. It coudl also be recording at a very high resolution.
width: { min: 360, ideal: 640 },
height: { min: 360, ideal: 360 },
frameRate: 10
};
case 8:
return {width: {min:360,max:1920}, height: {min:360, max:1920}}; // same as default, but I didn't want to mess with framerates until I gave it all a try first
case 9:
return {frameRate: 0 }; // Some Samsung Devices report they can only support a framerate of 0.
default:
return {};
}
}
function grabVideo(quality=0, audioEnable=false){
if( activatedPreview == true){log("activeated preview return 2");return;}
activatedPreview = true;
log(quality);
log("trying with quality:");
var videoSelect = document.querySelector('select#videoSource');
var iOS = !!navigator.platform && /iPad|iPhone|iPod/.test(navigator.platform);
var iPad = (navigator.maxTouchPoints && navigator.maxTouchPoints > 2 && /MacIntel/.test(navigator.platform));
if (iOS){ // iOS will not work correctly at 1080p; likely a h264 codec issue.
if (quality==0){
quality=1;
}
} else if (iPad){
if (quality==0){
quality=1;
}
}
var audio = false;
var streams = [];
if ((videoSelect.value == "ZZZ") || (audioEnable==true)){ // if there is no video, or if manually set to audio ready, then do this step.
var audioSelect = document.querySelector('#audioSource').querySelectorAll("input");
var audioList = [];
for (var i=0; i<audioSelect.length;i++){
if (audioSelect[i].value=="ZZZ"){
continue;
}
if (audioSelect[i].checked){
audioList.push(audioSelect[i]);
}
}
for (var i=1; i<audioList.length;i++){
var constraint = {audio: {deviceId: {exact: audioList[i].value}}};
if (session.stereo){
constraint.audio.echoCancellation = false;
constraint.audio.autoGainControl = false;
constraint.audio.noiseSuppression = false;
}
navigator.mediaDevices.getUserMedia(constraint).then(function (stream2){
streams.push(stream2);
}).catch(errorlog);
}
if (audioList.length){
audio = {deviceId: {exact: audioList[0].value}};
if (session.stereo){
audio.echoCancellation = false;
audio.autoGainControl = false;
audio.noiseSuppression = false;
}
}
}
if (videoSelect.value == "ZZZ"){ // without video. Nice and quick
var constraints = {
audio: audio,
video: false
};
navigator.mediaDevices.getUserMedia(constraints).then(function(stream){
log("adding additional audio tracks");
for (var i=0; i<streams.length;i++){
streams[i].getAudioTracks().forEach(function(track){
stream.addTrack(track);
log(track);
});
}
streams = null;